@charset "UTF-8";
@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard-dynamic-subset.min.css");
:root {
  --midt-blue: #2970ff;
  --star-color: 200, 220, 255; /* RGB */
  --min-width: 1px; /* 꼬리 두께 최소 */
  --max-width: 3px; /* 꼬리 두께 최대 */
  --min-height: 120px; /* 꼬리 길이 최소 */
  --max-height: 220px; /* 꼬리 길이 최대 */
  --min-duration: 0.9s; /* 낙하 속도(짧을수록 빠름) 최소 */
  --max-duration: 1.8s; /* 낙하 속도 최대 */
  --spawn-interval: 380ms; /* 자동 생성 주기 (작을수록 자주) */
  --glow-1: 0 0 12px rgba(var(--star-color), 0.95);
  --glow-2: 0 0 26px rgba(var(--star-color), 0.7);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
  color: #1b1b1b;
  height: 100%;
  letter-spacing: -0.03em;
  font-weight: 300;
  background: #fff;
  margin: 0 auto;
  min-width: 1400px;
}

img {
  border: 0;
  vertical-align: bottom !important;
}

a {
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
  color: #333;
  text-decoration: none;
}

button {
  cursor: pointer;
  border: none;
  background: transparent;
}

textarea {
  resize: none;
}

label {
  vertical-align: middle;
}

.relative {
  position: relative;
}

b,
strong,
.bold {
  font-weight: 600;
}

input:focus,
input:active,
textarea:focus,
textarea:active {
  outline: none;
}

.uppercase {
  text-transform: uppercase;
  letter-spacing: -1.5px;
}

.frm_input {
  height: 45px;
  /* font-size: 18px; */
  padding-left: 7px;
  box-sizing: border-box;
}

.swiper-button-next:after,
.swiper-button-prev:after {
  display: none;
}

/* scss 변수 */
.scm {
  /*screen_middle*/
  width: 1400px;
  margin: 0 auto;
}

.wrap {
  width: 100%;
  /* min-height: 100vh; */
  display: flex;
  flex-wrap: wrap;
  flex-direction: column;
      overflow: hidden;
}

.grid {
  display: flex;
  flex-wrap: wrap;
  row-gap: 20px;
}

.grid-no-gap {
  display: flex;
  flex-wrap: wrap;
}

.sub_visual {
  padding-top: 270px;
}

.sub_visual_ttl {
  font-size: 72px;
  font-weight: 800;
}

.sub_md_txt {
  display: inline-block;
  font-size: 54px;
  line-height: 1.4;
  font-weight: 800;
}

.sub_sm_txt {
  display: inline-block;
  font-size: 21px;
  color: #5a5a5a;
  line-height: 1.4;
  font-weight: 500;
}

.subpage {
  margin-top: -30px;
  width: 100%;
  overflow-x: hidden;
}
.subpage .img1920 {
  width: 1460px;
  margin: 0 auto;
}
.subpage .img1920 img {
  margin-left: -230px;
}

.flex_sb {
  display: flex;
  justify-content: space-between;
}

.sub_contents {
  width: 100%;
}

/***** header/quick *****/
.header {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  z-index: 99998;
  width: 100%;
  height: 80px;
  background: #fff;
  box-shadow: 0 4px 8px 2px rgba(0, 0, 0, 0.05);
}
.header_inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 1400px;
  height: 100%;
  margin: 0 auto;
}
.header .gnb {
  display: flex;
  height: 100%;
}
.header .gnb .gnb_menu {
  height: 100%;
  position: relative;
}
.header .gnb .gnb_menu:hover .gnb_sub {
  opacity: 1;
  z-index: 0;
  top: calc(100% - 15px);
  max-height: 250px;
}
.header .gnb .mainmenu {
  display: flex;
  align-items: center;
  height: 100%;
  font-size: 18px;
  font-weight: 600;
  padding: 0 25px;
  color: #4b4b4b;
}
.header .gnb_sub {
  width: 140px;
  height: auto;
  padding: 20px 0;
  position: absolute;
  top: calc(100% - 15px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.5);
  -webkit-backdrop-filter: blur(20px) brightness(1.5);
          backdrop-filter: blur(20px) brightness(1.5);
  box-shadow: 0 0 6px 4px rgba(0, 0, 0, 0.08);
  border-radius: 20px;
  overflow: hidden;
  opacity: 0;
  z-index: -1;
  top: calc(100% - 55px);
  max-height: 0;
  transition: all ease 0.4s;
}
.header .gnb_sub li {
  width: 100%;
  margin-bottom: 4px;
}
.header .gnb_sub li:last-child {
  margin-bottom: 0;
}
.header .gnb_sub li a {
  display: block;
  font-size: 16px;
  font-weight: 500;
  padding: 4px 0;
  text-align: center;
  color: #111;
}
.header .gnb_sub li a:hover {
  color: var(--midt-blue);
}
.header .login_gnb {
  display: flex;
}
.header .login_gnb li {
  margin: 0 8px;
}
.header .login_gnb a {
  display: block;
  padding: 0 20px;
  height: 36px;
  font-size: 18px;
  line-height: 32px;
  color: var(--midt-blue);
  border: 2px solid var(--midt-blue);
  border-radius: 20px;
  font-weight: 600;
  transition: all ease 0.2s;
}
.header .login_gnb a:hover {
  background: var(--midt-blue);
  color: #fff;
}
.header .download-btn {
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
  color: #fff;
  background: var(--midt-blue);
  border-radius: 50px;
  padding: 20px 30px;
}
.header .download-btn i {
  padding-left: 10px;
}

.allmenu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 99999;
  background: rgba(255, 255, 255, 0.4);
  -webkit-backdrop-filter: blur(30px) brightness(1.1);
          backdrop-filter: blur(30px) brightness(1.1);
  box-shadow: 0 10px 10px rgba(0, 0, 0, 0.04);
}
.allmenu.opened {
  display: block;
}
.allmenu_close {
  position: absolute;
  top: 10px;
  right: -60px;
  font-family: "SUIT", sans-serif;
  font-size: 32px;
  color: #1d111d;
}
.allmenu_inner {
  width: 1400px;
  margin: 0 auto;
  padding: 60px 40px 100px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  position: relative;
}
.allmenu_inner::before {
  content: url("../img/logo.jpg");
  position: absolute;
  top: 0;
  left: -220px;
}
.allmenu_part {
  width: 150px;
  text-align: center;
}
.allmenu_part ul li {
  margin-bottom: 10px;
}
.allmenu_part ul a {
  font-size: 16px;
  line-height: 1.5;
  transition: all ease 0.2s;
}
.allmenu_part ul a:hover {
  color: var(--laon-blue);
}
.allmenu h4 {
  font-size: 18px;
  font-weight: 600;
  border-bottom: 1px solid #000;
  margin-bottom: 10px;
  padding-bottom: 8px;
}

.btn_allmenu {
  width: 30px;
  height: 30px;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 5px 0;
}

.ham_line {
  display: block;
  width: 100%;
  height: 3px;
  background-color: #333;
  transition: all 0.3s ease;
}

/* 메뉴 열렸을 때 X자 모양으로 변경 (선택사항) */
.btn_allmenu.active .ham_line:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

.btn_allmenu.active .ham_line:nth-child(2) {
  opacity: 0;
}

.btn_allmenu.active .ham_line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.quickmenu {
  position: fixed;
  right: 0;
  top: 0;
  bottom: 0;
  z-index: 99999;
  width: 80px;
  overflow: hidden;
  background: var(--midt-blue);
  display: flex;
  flex-direction: column;
}
.quickmenu .btn_ham {
  width: 100%;
  height: 80px;
}
.quickmenu .quick_nav {
  margin-top: auto;
}
.quickmenu .quick_nav li {
  margin-top: 40px;
}
.quickmenu .quick_nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #fff;
  font-size: 12px;
}
.quickmenu .quick_nav a span {
  display: block;
  margin-bottom: 8px;
}
.quickmenu .btn_top {
  width: 100%;
  height: 80px;
  background: #fff;
  margin-top: 40px;
}

/***** //header/quick *****/
/***** main *****/
.desc {
  font-size: 16px;
  line-height: 1.6;
  font-weight: 500;
  color: #4b4b4b;
}
.desc b {
  font-weight: 700;
}

.swiper-button-next,
.swiper-button-prev {
  background: none !important; /* 배경 이미지 제거 */
  width: 30px; /* 필요 시 크기 조정 */
  height: 30px;
}

.swiper-button-next::after,
.swiper-button-prev::after {
  display: none; /* 기본 화살표 제거 */
}

.mainbanner {
  width: 100%;
  max-height: 1080px;
  height: 100vh;
  overflow: hidden;
  position: relative;
}
.mainbanner .swiper {
  width: 100%;
  height: 100%;
}
.mainbanner .swiper-wrpper {
  width: 100%;
  height: 100%;
}
.mainbanner .swiper-slide {
  width: 100%;
  height: 100%;
}
.mainbanner .swiper-slide.slide1 {
  background: url("../img/mainbanner1_bg.jpg") no-repeat center;
  background-size: cover;
}
.mainbanner .swiper-slide.slide2 {
  background: url("../img/mainbanner2_bg.jpg") no-repeat center;
  background-size: cover;
}
.mainbanner .swiper-slide.slide2 h3,
.mainbanner .swiper-slide.slide2 .desc {
  color: #fff;
}
.mainbanner .swiper-slide.slide3 {
  background: url("../img/mainbanner1_bg.jpg") no-repeat center;
  background-size: cover;
}
.mainbanner_cont {
  width: 1400px;
  height: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.mainbanner_cont h3 {
  font-weight: 300;
  color: #fff;
  font-size: 50px;
  line-height: 1.3;
  letter-spacing: -0.045em;
  margin-bottom: 45px;
  transform: translateY(60px);
  opacity: 0;
  transition: all ease 1s;
}
.mainbanner_cont h3 em {
  font-weight: 700;
}
.mainbanner_cont .desc {
  font-size: 18px;
  opacity: 0;
  transform: translateY(-60px);
  transition: all ease 1s;
  color: #fff;
  letter-spacing: 0.5px;
  font-weight: 400;
}
.mainbanner .active .mainbanner_cont h3 {
  opacity: 1;
  transform: translateY(0px);
}
.mainbanner .active .mainbanner_cont .desc {
  opacity: 1;
  transform: translateY(0px);
}
.mainbanner .active .mainbanner_cont .link_more_wrap2 {
  opacity: 1;
  transform: translateY(0px);
}
.mainbanner .swiper-pagination {
  position: absolute;
  bottom: 100px;
  left: calc(50% - 700px);
  display: inline-block;
  width: initial;
  color: var(--midt-blue);
  font-weight: 600;
}
.mainbanner .swiper-pagination-total {
  margin-left: 150px;
}
.mainbanner .swiper-pagination-bar {
  position: absolute;
  bottom: 106px;
  left: calc(50% - 670px);
  width: 120px;
  height: 2px;
  background: rgba(0, 0, 0, 0.2);
  z-index: 5;
  transition: all ease 3s;
  transition-timing-function: linear;
}
.mainbanner .swiper-pagination-bar::after {
  content: "";
  display: block;
  width: 0;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  background: var(--midt-blue);
  transform-origin: left center;
}
.mainbanner .swiper-pagination-bar.active::after {
  transition: all ease 4s;
  width: 100%;
}
.mainbanner .swiper-buttons {
  position: absolute;
  bottom: 270px;
  left: calc(50% - 680px);
  display: flex;
}
.mainbanner .swiper-buttons .swiper-button-next {
  right: auto;
  left: calc(50% + 70px);
}

.service-box {
  min-width: 480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
  position: absolute;
  z-index: 9;
  bottom: 240px;
  left: calc(50% + 300px);
}

.service-item {
  position: relative;
  padding: 18px 40px;
  background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
  cursor: pointer;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.service-item:nth-child(even) {
  background: linear-gradient(135deg, #1e3a5f 0%, #2d5a8f 100%);
}
.service-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s;
}
.service-item:hover {
  box-shadow: -10px 10px 30px rgba(0, 0, 0, 0.3);
}
.service-item:hover::before {
  left: 100%;
}
.service-item:hover h3 {
  letter-spacing: 1px;
}
.service-item:hover p {
  color: rgba(255, 255, 255, 0.9);
}
.service-item:hover .service-link {
  opacity: 1;
}
.service-item:hover .service-btn {
  transform: rotate(90deg) scale(1.1);
  box-shadow: 0 6px 25px rgba(255, 255, 255, 0.3);
}
.service-item h3 {
  font-size: 16px;
  color: white;
  font-weight: bold;
  transition: all 0.3s;
}
.service-item p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  transition: all 0.3s;
}

.service-content {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 10px;
  align-items: center;
}

.service-right {
  display: flex;
  align-items: center;
  gap: 20px;
  position: relative;
  z-index: 1;
}

.service-link {
  color: white;
  font-size: 15px;
  transition: all 0.3s;
  opacity: 0.9;
  white-space: nowrap;
}

.service-btn {
  width: 35px;
  height: 35px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #3b82f6;
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  flex-shrink: 0;
}

.main_ban_title {
  padding: 160px 0;
}
.main_ban_title p {
  text-align: center;
  font-size: 45px;
  font-weight: 300;
  line-height: 1.4;
}
.main_ban_title p em {
  font-weight: 600;
}

.main_sm_ttl {
  font-size: 15px;
  font-weight: 500;
  color: var(--midt-blue);
  margin-bottom: 40px;
}

.main_big_ttl {
  font-size: 45px;
  font-weight: 700;
  line-height: 1.4;
  color: #1b1b1b;
  margin-bottom: 45px;
}

.hero {
  position: relative;
  height: 100vh;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  margin-bottom: -200px;
  padding-bottom: 200px;
}
.hero_content {
  padding-left: 210px;
  background: url(../img/main_hero.jpg) no-repeat left;
  width: 100%;
  height: 652px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #fff;
}
.hero_content .main_sm_ttl {
  color: #fff;
  margin-bottom: 60px;
  font-weight: 700;
}
.hero_title {
  font-size: 38px;
  font-weight: bold;
  margin-bottom: 40px;
  line-height: 1.3;
}
.hero_description {
  font-size: 16px;
  line-height: 1.6;
  opacity: 0.9;
  max-width: 800px;
  margin-bottom: 60px;
}
.hero_btn {
  display: inline-block;
  padding: 18px 40px;
  background: transparent;
  border: 2px solid white;
  color: white;
  text-decoration: none;
  font-size: 14px;
  transition: all 0.3s ease;
  cursor: pointer;
  width: 165px;
  height: 55px;
  font-weight: 500;
}
.hero_btn:hover {
  background: white;
  color: #000;
}

.stats {
  position: relative;
}
.stats .inner {
  display: flex;
  width: 1200px;
  min-height: 400px;
  position: absolute;
  z-index: 3;
  top: -180px;
     left: calc(50% - 366px);
}
.stats_item {
  flex: 1;
  max-width: 400px;
  max-height: 370px;
  display: flex;
  flex-direction: column;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border: 1px solid #f2f2f2;
  background: #fff;
  align-items: flex-start;
  text-align: start;
  padding: 46px 38px;
  justify-content: end;
}
.stats_item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #2563eb;
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 0;
}
.stats_item:hover {
  color: white;
  border: 1px solid #2563eb;
}
.stats_item:hover::before {
  opacity: 1;
}
.stats_item:hover .stats_description {
  opacity: 1;
}
.stats_item:hover .stats_icon img {
  filter: brightness(0) invert(1);
}
.stats_icon {
  margin-bottom: 30px;
  transition: all 0.3s ease;
  top: -110px;
  right: -280px;
}
.stats_number {
  font-size: 35px;
  font-weight: bold;
  margin-bottom: 20px;
  transition: all 0.3s ease;
}
.stats_number sup {
  font-size: 22px;
  position: relative;
  top: -12px;
}
.stats_description {
  font-size: 16px;
  line-height: 1.6;
  transition: all 0.3s ease;
}
.stats .stats_number,
.stats .stats_description,
.stats .stats_icon {
  position: relative;
  z-index: 1;
      white-space: nowrap;
}

@media (min-width: 1920px) {
  .stats .inner {
    right: 0;
  }
}
@media (min-width: 1921px) {
  .stats .inner {
    right: calc((100% - 1920px) / 2 + 40px);
  }
}
@media screen and (max-width: 1720px) {
    .stats {
        .inner {
            position: static;
            width: 100%;
            .stats_item {
                max-width: 33vw;
            }
        }
    }
}
.main_subject {
  padding-top: 300px;
  position: relative;
  overflow: hidden;
  width: 100%;
  margin-bottom: 150px;
}
.main_subject .flex_box {
  display: flex;
  justify-content: space-between;
  align-items: end;
}
.main_subject .service_nav {
  display: flex;
  justify-content: center;
  gap: 15px;
}
.main_subject .service_nav_btn {
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif !important;
  min-width: 158px;
  padding: 15px 35px;
  background: white;
  color: #666;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
}
.main_subject .service_nav_btn:hover, .main_subject .service_nav_btn.active {
  background: #2563eb;
  border-color: #2563eb;
  color: white;
  min-width: 158px;
}
.main_subject .service_swiper_wrap {
  width: 100%;
  overflow: hidden;
}
.main_subject .service_swiper_wrap .service_swiper .swiper {
  width: 100%;
  position: relative;
  left: calc(50% - 860px);
}
.main_subject .service_swiper_wrap .service_swiper .swiper .swiper-wrapper {
  display: flex;
}
.main_subject .service_swiper_wrap .service_swiper .swiper .swiper-slide {
  width: 840px;
  opacity: 0.4;
  transition: opacity 0.3s ease;
}
.main_subject .service_swiper_wrap .service_swiper .swiper .swiper-slide.swiper-slide-active {
  opacity: 1;
}
.main_subject .service_swiper_wrap .service_swiper .swiper .swiper-slide .service_slide_content {
  display: flex;
  align-items: center;
  gap: 60px;
  padding-top: 84px;
  background: #fff;
}
.main_subject .service_swiper_wrap .service_swiper .swiper .swiper-slide .service_slide_content .service_slide_img img {
  width: 840px;
  height: 530px;
  -o-object-fit: cover;
     object-fit: cover;
}
.main_subject .service_swiper_wrap .service_swiper .swiper .swiper-slide .service_slide_content .service_slide_text {
  flex: 1;
}
.main_subject .service_swiper_wrap .service_swiper .swiper .swiper-slide .service_slide_content .service_slide_text .service_number {
  display: block;
  font-size: 20px;
  color: #000;
  font-weight: bold;
  margin-bottom: 82px;
}
.main_subject .service_swiper_wrap .service_swiper .swiper .swiper-slide .service_slide_content .service_slide_text .service_title {
  font-size: 40px;
  font-weight: bold;
  color: #1a1a1a;
  margin-bottom: 42px;
}
.main_subject .service_swiper_wrap .service_swiper .swiper .swiper-slide .service_slide_content .service_slide_text .service_desc {
  font-size: 16px;
  color: #666;
  line-height: 1.8;
  margin-bottom: 54px;
}
.main_subject .service_swiper_wrap .service_swiper .swiper .swiper-slide .service_slide_content .service_slide_text .view_more_btn {
  padding: 12px 30px;
  background: #2563eb;
  color: white;
  border: none;
  cursor: pointer;
  font-size: 14px;
  height: 55px;
  transition: all 0.3s ease;
}
.main_subject .service_swiper_wrap .service_swiper .swiper .swiper-slide .service_slide_content .service_slide_text .view_more_btn:hover {
  background: #1d4ed8;
}

.btn_viewmore {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 120px;
  height: 34px;
  border: 1px solid var(--midt-blue);
  color: #024097;
  font-size: 12px;
  border-radius: 30px;
  transition: all ease 0.3s;
}
.btn_viewmore::after {
  content: url("../img/icon_arrow_viewmore.png");
  margin-left: 10px;
  padding-top: 2px;
}
.btn_viewmore:hover {
  background: var(--midt-blue);
  color: #fff;
}
.btn_viewmore:hover::after {
  filter: grayscale(1) brightness(10);
}

.simulation_section {
  min-height: 809px;
  max-height: 809px;
  display: flex;
  align-items: center;
  margin-top: 160px;
  padding: 80px 0;
  background: linear-gradient(135deg, #0a0e1a 0%, #1a1f2e 100%);
  color: #fff;
  max-width: 1920px;
  width: 100%;
  margin: auto;
}
.simulation_section .simulation_container {
  max-width: 1920px;
  margin: 0 auto;
  padding-left: 180px;
  width: 100%;
}
.simulation_section .simulation_container .simulation_content {
  display: flex;
  gap: 0;
  align-items: center;
  justify-content: space-between;
}
.simulation_section .simulation_container .simulation_content .simulation_left {
  padding-right: 107px;
  padding-top: 120px;
}
.simulation_section .simulation_container .simulation_content .simulation_left .main_sm_ttl {
  color: #fff;
  margin-bottom: 50px;
  font-weight: 600;
}
.simulation_section .simulation_container .simulation_content .simulation_left .main_big_ttl {
  font-weight: bold;
  margin-bottom: 50px;
  color: #fff;
}
.simulation_section .simulation_container .simulation_content .simulation_left .simulation_desc {
  font-size: 16px;
  color: #b0b8c8;
  line-height: 1.8;
  margin-bottom: 50px;
}
.simulation_section .simulation_container .simulation_content .simulation_left .simulation_list {
  list-style: none;
  max-width: 270px;
  position: relative;
  left: calc(50% + 95px);
  z-index: 1;
}
.simulation_section .simulation_container .simulation_content .simulation_left .simulation_list_item {
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: stretch;
  position: relative;
  overflow: hidden;
}
.simulation_section .simulation_container .simulation_content .simulation_left .simulation_list_item:hover .simulation_list_content {
  background: #2563eb;
}
.simulation_section .simulation_container .simulation_content .simulation_left .simulation_list_item:hover .simulation_list_number {
  color: white;
}
.simulation_section .simulation_container .simulation_content .simulation_left .simulation_list_item:hover .simulation_list_text {
  color: white;
}
.simulation_section .simulation_container .simulation_content .simulation_left .simulation_list_item:hover .simulation_list_arrow {
  opacity: 1;
  transform: translateX(0);
}
.simulation_section .simulation_container .simulation_content .simulation_left .simulation_list_content {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 20px 30px;
  background: transparent;
  transition: all 0.3s ease;
}
.simulation_section .simulation_container .simulation_content .simulation_left .simulation_list_number {
  font-size: 18px;
  font-weight: bold;
  color: #999;
  min-width: 30px;
  transition: color 0.3s ease;
}
.simulation_section .simulation_container .simulation_content .simulation_left .simulation_list_text {
  font-size: 18px;
  color: #999;
  transition: color 0.3s ease;
  font-weight: 600;
}
.simulation_section .simulation_container .simulation_content .simulation_left .simulation_list_arrow {
  width: 60px;
  min-width: 60px;
  height: 100%;
  background: rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: white;
  opacity: 0;
  transform: translateX(0);
  transition: all 0.3s ease;
  margin-left: auto;
  position: absolute;
  right: 0;
  top: 0;
}
.simulation_section .simulation_container .simulation_content .simulation_right {
  width: 1260px;
}
.simulation_section .simulation_container .simulation_content .simulation_right .simulation_image_wrapper {
  position: relative;
}
.simulation_section .simulation_container .simulation_content .simulation_right .simulation_image_wrapper .dynamic_media {
  transition: opacity 0.5s ease-in-out;
  opacity: 1;
}
.simulation_section .simulation_container .simulation_content .simulation_right .simulation_image_wrapper .fade-out {
  opacity: 0;
}
.simulation_section .simulation_container .simulation_content .simulation_right .simulation_image_wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
  height: 809px;
}
.simulation_section .simulation_container .simulation_content .simulation_right .simulation_image_wrapper .simulation_image {
  width: 100%;
  min-height: 809px;
  display: block;
  opacity: 1;
  transition: opacity 0.5s ease-in-out;
}
.simulation_section .simulation_container .simulation_content .simulation_right .simulation_image_wrapper .fade-out {
  opacity: 0;
}
.simulation_section .simulation_container .simulation_content .simulation_right .simulation_image {
  width: 100%;
  height: auto;
  display: block;
}

@media screen and (max-width: 1710px) {
  .simulation_section .simulation_container {
    padding-left: 150px;
  }
  .simulation_section .simulation_container .simulation_content .simulation_left {
    width: 600px;
  }
  .simulation_section .simulation_container .simulation_content .simulation_left .simulation_list {
    left: calc(50% + 85px);
  }
}
@media screen and (max-width: 1400px) {
  .simulation_section .simulation_container {
    padding-left: 110px;
  }
}
.main_Technology {
  width: 100%;
  overflow: hidden;
}

.Technology {
  background: url(../img/sub1-1_rebg.jpg) no-repeat;
  height: 754px;
  display: flex;
  align-items: center;
  position: relative;
  margin: auto;
  margin-top: 281px;
  overflow: hidden;
  width: 100%;
}
.Technology .scm {
  width: 1600px;
}
.Technology .img {
  position: absolute;
  left: calc(50% + 100px);
  top: 0;
}
.Technology .box_txt {
  color: #de3713;
  border-radius: 10px;
  border: 2px solid #de3713;
  display: inline-block;
  font-size: 24px;
  font-weight: 600;
  padding: 10px 20px;
  margin-bottom: 40px;
}
.Technology .parall_ttl {
  font-size: 54px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 40px;
  line-height: 1.4;
}
.Technology .para_txt {
  color: rgba(255, 255, 255, 0.6);
}
.Technology .about_swiper_wrap {
  width: calc(50% + 54px);
  position: absolute;
  left: calc(50% - 84px);
  top: 80px;
  overflow: hidden;
  padding-top: 90px;
  width: 100%;
}
.Technology .about_swiper_wrap .swiper-slide {
  width: 346px;
  height: 450px;
  overflow: hidden;
  transition: all ease 0.5s;
}
.Technology .swiper-buttons2 {
  position: absolute;
  bottom: 40px;
}
.Technology .swiper-button-next2 {
  position: absolute;
  left: 60px;
  bottom: 0px;
}

.html5-video-player .video-click-tracking,
.html5-video-player .video-stream {
  width: 1224px;
  height: 840px;
  left: 0px;
  top: 0;
}

.main_research {
  padding: 200px 0;
  background: url("../img/main_research_bg.jpg") no-repeat center/cover;
}
.main_research .main_ttl_grp .main_sm_ttl,
.main_research .main_ttl_grp .main_big_ttl,
.main_research .main_ttl_grp .desc {
  color: #fff;
}
.main_research .main_research_swiper {
  position: relative;
  margin-top: 150px;
}
.main_research .main_research_swiper .swiper {
  overflow: hidden;
}
.main_research .main_research_swiper .swiper .swiper-slide {
  width: 307px;
  color: #fff;
}
.main_research .main_research_swiper .swiper .swiper-slide p {
  border-radius: 15px;
  overflow: hidden;
  margin-bottom: 24px;
}
.main_research .main_research_swiper .swiper .swiper-slide h6 {
  font-size: 20px;
  margin-bottom: 30px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  transition: color 0.2s ease;
}
.main_research .main_research_swiper .swiper .swiper-slide .tooltip.show {
  opacity: 1;
}
.main_research .main_research_swiper .swiper .swiper-slide p {
  line-height: 1.3;
  word-break: keep-all;
}
.main_research .main_research_swiper .swiper-button-prev {
  transform: rotate(180deg);
  left: calc(50% - 700px - 58px - 20px);
  top: 150px;
  width: 58px;
  height: 58px;
  margin-top: 0;
}
.main_research .main_research_swiper .swiper-button-next {
  right: calc(50% - 700px - 58px - 20px);
  top: 150px;
  width: 58px;
  height: 58px;
  margin-top: 0;
}

.main_retina {
  padding: 320px 0;
  background: url("../img/main_retina_bg.jpg") no-repeat center/cover;
}
.main_retina .main_ttl_grp .main_sm_ttl,
.main_retina .main_ttl_grp .main_big_ttl,
.main_retina .main_ttl_grp .desc {
  color: #fff;
}
.main_retina_blink {
  width: 370px;
  height: 68px;
  font-size: 32px;
  border-radius: 12px;
  color: #fff;
  background: #1e4787;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 40px;
  /* 초기 배경 */
  background: linear-gradient(to bottom, #0056c2, #003e8c);
  /* 애니메이션 */
  animation: blinkBg 4s infinite alternate;
}

@keyframes blinkBg {
  0% {
    background: linear-gradient(to bottom, #0056c2, #003e8c);
  }
  50% {
    background: linear-gradient(to bottom, #ffd700, #d4af37); /* 금색 계열 */
  }
  100% {
    background: linear-gradient(to bottom, #0056c2, #003e8c);
  }
}
.main_equip {
  padding: 200px 0;
  overflow: hidden;
}
.main_equip .btn_viewmore {
  margin-top: 30px;
}
.main_equip_info {
  width: 50%;
  padding-right: 98px;
}
.main_equip_sm {
  width: 100%;
  margin-top: 80px;
  position: relative;
}
.main_equip_sm .swiper {
  width: 567px;
  overflow: hidden;
}
.main_equip_sm .swiper .swiper-slide {
  width: 180px;
}
.main_equip_sm .swiper .swiper-slide em {
  display: block;
  margin-top: 12px;
  text-align: center;
  font-size: 16px;
}
.main_equip_sm .swiper .swiper-slide span {
  display: block;
  border-radius: 12px;
  height: 126px;
  overflow: hidden;
}
.main_equip_sm .swiper .swiper-slide img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}
.main_equip_sm .swiper-button-prev,
.main_equip_sm .swiper-button-next {
  color: #17253a;
  width: auto;
  height: auto;
  margin: 0;
}
.main_equip_sm .swiper-button-prev {
  left: -30px;
  top: 60px;
}
.main_equip_sm .swiper-button-next {
  right: 0px;
  top: 60px;
}
.main_equip_sm .swiper-scrollbar {
  width: calc(100% - 38px);
  height: 4px;
  margin-top: 40px;
  opacity: 1 !important;
}
.main_equip_big {
  width: 50%;
  overflow: hidden;
}

.main_news .board {
  padding-top: 0px;
  background: #fff;
  text-align: center;
  padding-bottom: 210px;
}
.main_news .board_inner {
  width: 90%;
  max-width: 1280px;
  margin: 0 auto;
}
.main_news .board .main_sm_ttl {
  text-align: start;
}
.main_news .board .main_big_ttl {
  text-align: start;
  margin-bottom: 107px;
}
.main_news .board_content {
  display: flex;
  gap: 40px;
  width: 100%;
  justify-content: flex-start;
  flex-wrap: wrap;
}
.main_news .board_card {
  display: block;
  width: 30.33%;
  border: 1px solid #ddd;
  border-top: 4px solid #000;
  background: #fff;
  text-align: left;
  padding: 32px;
  transition: all 0.4s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: inherit;
  text-decoration: none;
}
.main_news .board_card:hover {
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
  transform: translateY(-6px);
}
.main_news .board_card:hover .board_plus {
  transform: rotate(180deg);
}
.main_news .board_icon {
  font-size: 42px;
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}
.main_news .board_icon span {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #111;
}
.main_news .board_title {
  font-size: 29px;
  font-weight: 500;
  padding-bottom: 10px;
}
.main_news .board_desc {
  font-size: 21px;
  line-height: 1.7;
  color: #444;
  margin-bottom: 10px;
  min-height: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-weight: 300;
}
.main_news .board_thumb {
  width: 100%;
  margin-bottom: 20px;
}
.main_news .board_thumb img {
  width: 100%;
  height: auto;
  border-radius: 4px;
  transition: transform 0.5s ease;
}
.main_news .board_thumb:hover img {
  transform: scale(1.02);
}
.main_news .board_bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.main_news .board_date {
  font-size: 14px;
  color: #666;
}
.main_news .board_plus {
  width: 32px;
  height: 32px;
  border: 1px solid #111;
  border-radius: 50%;
  position: relative;
  transition: transform 0.5s ease;
}
.main_news .board_plus .plus_line {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 2px;
  background: #111;
  transform: translate(-50%, -50%);
  transition: background 0.3s ease;
}
.main_news .board_plus .plus_line:nth-child(2) {
  transform: translate(-50%, -50%) rotate(90deg);
}
.main_news .board_plus:hover {
  background: #111;
}
.main_news .board_plus:hover .plus_line {
  background: #fff;
}

.main_ban_title2 {
  padding: 70px 0 120px;
}
.main_ban_title2 .scm {
  width: 1600px;
}
.main_ban_title2 p {
  text-align: start;
  font-size: 35px;
  font-weight: 700;
  line-height: 1.4;
}

.service_cards {
  display: flex;
  width: 100%;
}
.service_cards_item {
  flex: 1;
  position: relative;
  height: 400px;
  overflow: hidden;
}
.service_cards_item img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}
.service_cards_content {
  position: absolute;
  z-index: 2;
  color: white;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}
.service_cards_title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 20px;
  color: white;
}
.service_cards_btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: #2563eb;
  color: white;
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
}
.service_cards_btn:hover {
  background: #1d4ed8;
}
.service_cards_btn i {
  font-size: 12px;
}

.footer_new {
  background: #1a1a1a !important;
  color: #999;
  padding: 60px 0 40px;
}
.footer_new .scm {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}
.footer_top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 40px;
  border-bottom: 1px solid #333;
  margin-bottom: 40px;
}
.footer_menu {
  display: flex;
  gap: 40px;
}
.footer_menu a {
  color: #ffffff;
  text-decoration: none;
  font-size: 15px;
  transition: color 0.3s ease;
}
.footer_menu a:hover {
  color: #fff;
}
.footer_bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}
.footer_info {
  font-size: 15px;
  line-height: 1.8;
  color: #ffffff;
}
.footer_info .copyright {
  font-size: 15px;
}
.footer_contact {
  text-align: right;
}
.footer_contact .phone {
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.footer_contact .time {
  font-size: 14px;
  color: #999;
  line-height: 1.6;
}
.footer_contact .time span {
  display: block;
}

/***** //main *****/
.sub_visual .sub_visual_ttl .sub_title {
  padding-bottom: 163px;
}
.sub_visual .sub_visual_ttl .sub_sm_txt {
  padding-bottom: 47px;
}

.flowing-container {
  width: 100%;
  height: 65px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  line-height: 1.3;
  margin-bottom: 180px;
}
.flowing-container .flowing-text {
  font-size: 65px;
  font-weight: bold;
  color: #f4f4f4;
  position: absolute;
  animation: scrollLeft 20s linear infinite;
  height: 70px;
  overflow: hidden;
}
.flowing-container .text-item + .text-item {
  padding-left: 75px;
}

@keyframes scrollLeft {
  0% {
    left: 0%;
  }
  100% {
    left: -100%;
  }
}
.hero_section {
  display: flex;
  flex-direction: column;
  text-align: center;
  align-items: center;
}
.hero_section .sub_md_txt {
  line-height: 1.4;
  font-weight: 800;
}
.hero_section .sub_sm_txt {
  padding-top: 45px;
  padding-bottom: 65px;
}
.hero_section .sub_top_img_wrap {
  width: 998px;
  height: 400px;
  border-radius: 18px;
  overflow: hidden;
}
.hero_section .sub_top_img_wrap .sub_top_img {
  /* 초기 상태 (멈춰있는 상태) */
  width: 0;
  height: 100%;
  opacity: 0;
  transform: translateX(160px);
  border-radius: 18px;
  overflow: hidden;
  /* 애니메이션은 active일 때만 실행 */
}
.hero_section .sub_top_img_wrap .sub_top_img.ani.active {
  animation: subTopImg 1s ease forwards;
}
.hero_section .sub_top_img_wrap .sub_top_img img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  border-radius: 18px;
}
@keyframes subTopImg {
  0% {
    width: 0;
    opacity: 0;
    transform: translateX(160px);
  }
  100% {
    width: 998px;
    opacity: 1;
    transform: translateX(0);
  }
}
.hero_section .description {
  text-align: center;
  max-width: 600px;
  margin: 50px auto 0;
  padding: 20px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}
.hero_section .footer-spacer {
  height: 100vh;
  background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #333;
  font-size: 1.5rem;
  text-align: center;
}
.hero_section ul {
  padding-top: 70px;
  display: flex;
  justify-content: center;
  gap: 134px;
}
.hero_section ul li {
  display: flex;
  flex-direction: column;
}
.hero_section ul li em {
  font-size: 26px;
  color: #1e4787;
  font-weight: 800;
}
.hero_section ul li b {
  font-size: 18px;
  font-weight: 800;
  padding-top: 30px;
  padding-bottom: 20px;
}
.hero_section ul li span {
  font-size: 18px;
  color: #5a5a5a;
  font-weight: 400;
  line-height: 1.4;
}

.scrolling_area {
  padding-top: 320px;
}
.scrolling_area .txt_box {
  display: flex;
  flex-direction: column;
  text-align: center;
  padding-bottom: 170px;
}
.scrolling_area .txt_box .sub_md_txt {
  padding-bottom: 40px;
}
.scrolling_area .tab_wrap .tab_buttons {
  padding-bottom: 60px;
}
.scrolling_area .tab_wrap .tab_buttons .tab_btn {
  font-size: 22px;
  color: #636363;
  padding: 14px 37px;
  border-radius: 50px;
  background: #f2f2f2;
  border: none;
  text-align: center;
}
.scrolling_area .tab_wrap .tab_buttons .tab_btn + .tab_btn {
  margin-left: 22px;
}
.scrolling_area .tab_wrap .tab_buttons .tab_btn.active {
  background: #1e4787;
  color: #fff;
  padding: 14px 37px;
  border-radius: 50px;
}
.scrolling_area .tab_wrap .tab_contents .tab_content {
  display: none;
}
.scrolling_area .tab_wrap .tab_contents .tab_content.active {
  display: block;
}

.sub_title {
  font-size: 50px;
  font-weight: 500;
  color: #fff;
}

.sub_sm_txt {
  font-size: 16px;
  font-weight: 400;
  color: #fff;
}

.sub_contents {
  width: 100%;
  position: relative;
}
.sub_contents .sub_banner {
  width: 100%;
  height: 750px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.sub_contents .sub_banner .sub_banner_box {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  transform: perspective(500px) scale(1.1) rotate(0.001deg);
  animation: bgMotion 5s ease-in-out 0.5s forwards;
}
.sub_contents .sub_banner .sub_banner_box.sub1_1 {
  background: url(../img/sub1-1bg.jpg) no-repeat;
  background-size: cover;
}
.sub_contents .sub_banner .sub_banner_box.sub2_1 {
  background: url(../img/sub2-1bg.jpg) no-repeat;
  background-size: cover;
}
.sub_contents .sub_banner .sub_banner_box.sub2_2 {
  background: url(../img/sub2-1bg.jpg) no-repeat;
  background-size: cover;
}
.sub_contents .sub_banner .sub_banner_box.sub3_1 {
  background: url(../img/sub3-1bg.jpg) no-repeat;
  background-size: cover;
}
.sub_contents .sub_banner .sub_banner_box.sub4_1 {
  background: url(../img/sub4-1bg.jpg) no-repeat;
  background-size: cover;
}
.sub_contents .sub_banner .sub_banner_box.sub5_1 {
  background: url(../img/sub5-1bg.jpg) no-repeat;
  background-size: cover;
}
.sub_contents .sub_banner .sub_banner_box.sub5_2 {
  background: url(../img/sub5-1bg.jpg) no-repeat;
  background-size: cover;
}
.sub_contents .sub_banner .sub_banner_box.sub6_1 {
  background: url(../img/sub6-1bg.jpg) no-repeat;
  background-size: cover;
}
.sub_contents .sub_banner .sub_banner_box.sub7_1 {
  background: url(../img/sub7-1bg.jpg) no-repeat;
  background-size: cover;
}
.sub_contents .sub_banner .sub_banner_box.sub7_2 {
  background: url(../img/sub7-1bg.jpg) no-repeat;
  background-size: cover;
}
.sub_contents .sub_banner .sub_banner_box.sub7_3 {
  background: url(../img/sub7-1bg.jpg) no-repeat;
  background-size: cover;
}
.sub_contents .sub_banner .sub_banner_box.sub7_4 {
  background: url(../img/sub7-1bg.jpg) no-repeat;
  background-size: cover;
}
.sub_contents .sub_banner .sub_banner_box.sub7_5 {
  background: url(../img/sub7-1bg.jpg) no-repeat;
  background-size: cover;
}
.sub_contents .sub_banner .sub_banner_box.sub7_6 {
  background: url(../img/sub7-1bg.jpg) no-repeat;
  background-size: cover;
}
.sub_contents .sub_banner .sub_visual_ttl {
  color: #fff;
  position: relative;
  z-index: 1;
  width: 1400px;
  margin: auto;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  row-gap: 58px;
}
.sub_contents .navbar {
  position: relative;
  top: -30px;
  width: 1460px;
  margin: 0 auto;
  height: 60px;
  background: #2970ff;
  display: flex;
  align-items: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
.sub_contents .nav-item {
  height: 100%;
  display: flex;
  align-items: center;
  padding: 0 25px;
  color: white;
  font-size: 16px;
  cursor: pointer;
  position: relative;
  transition: background-color 0.3s;
}
.sub_contents .nav-item:hover {
  background-color: rgba(255, 255, 255, 0.1);
}
.sub_contents .nav-item.home {
  padding: 0 20px;
}
.sub_contents .nav-item.home svg {
  width: 24px;
  height: 24px;
  fill: white;
}
.sub_contents .nav-item.dropdown {
  min-width: 250px;
  max-width: 250px;
}
.sub_contents .nav-item.dropdown::after {
  content: "▼";
  font-size: 10px;
  margin-left: auto;
  transition: transform 0.3s ease;
  display: inline-block;
}
.sub_contents .nav-item.dropdown:hover::after {
  transform: rotate(180deg);
}
.sub_contents .nav-item.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.sub_contents .divider {
  width: 1px;
  height: 30px;
  background-color: rgba(255, 255, 255, 0.3);
}
.sub_contents .dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: white;
  min-width: 100%;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border-radius: 0 0 8px 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 1000;
}
.sub_contents .dropdown-menu a {
  display: block;
  padding: 22px 20px;
  color: #333;
  text-decoration: none;
  transition: background-color 0.2s;
  border-bottom: 1px solid #f0f0f0;
}
.sub_contents .dropdown-menu a:last-child {
  border-bottom: none;
}
.sub_contents .dropdown-menu a:hover {
  background-color: #f8f9fa;
  color: #667eea;
}

@keyframes bgMotion {
  from {
    transform: perspective(500px) scale(1.1) rotate(0.001deg);
  }
  to {
    transform: perspective(500px) scale(1) rotate(0.001deg);
  }
}
.cta_container {
  max-width: 1400px;
  margin: 0 auto;
}

/* 상단 파란색 배너 */
.top_banner {
  display: block;
  background: linear-gradient(135deg, #1e5bb8 0%, #2871d4 100%);
  color: white;
  padding: 20px 40px;
  text-decoration: none;
  transition: all 0.3s ease;
  margin-bottom: 170px;
}
.top_banner:hover {
  background: linear-gradient(135deg, #1a4d9e 0%, #2366c2 100%);
}
.top_banner:hover .top_banner_arrow {
  transform: translateX(5px);
}

.top_banner_inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top_banner_text {
  font-size: 1.1rem;
  font-weight: 500;
}

.top_banner_arrow {
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

/* 메인 CTA 섹션 */
.main_cta {
  background: url(../img/sub2-1banner.jpg) no-repeat;
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.cta_content {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: self-start;
  gap: 40px;
  height: 290px;
  padding: 50px 70px;
}

.cta_text {
  color: white;
  flex: 1;
}

.cta_title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.4;
}

.cta_subtitle {
  font-size: 22px;
  font-weight: 800;
  opacity: 0.95;
  line-height: 1.6;
}

/* CTA 버튼 */
.main_cta {
  max-width: 1400px;
  margin: 0 auto;
}

.cta_button {
  background: #004ca3;
  color: white;
  padding: 22px 45px;
  border: none;
  font-size: 19px;
  font-weight: 600;
  align-items: flex-end;
  gap: 12px;
  transition: all 0.3s ease;
  white-space: nowrap;
  box-shadow: 0 4px 15px rgba(40, 113, 212, 0.3);
  text-decoration: none;
  position: absolute;
  right: 0;
  bottom: 0;
  width: 175px;
  height: 165px;
  display: flex;
  flex-direction: column-reverse;
  row-gap: 35px;
}
.cta_button:hover {
  background: #184585;
  box-shadow: 0 6px 20px rgba(40, 113, 212, 0.4);
}
.cta_button:hover .button_arrow {
  transform: translate(3px, -3px);
}
.cta_button:active {
  transform: translateY(0);
}

.button_text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.4;
}

.button_main {
  font-size: 1.1rem;
  color:#fff;
}

.button_sub {
  font-size: 0.95rem;
  font-weight: 400;
  opacity: 0.9;
}

.button_arrow {
  font-size: 1.5rem;
  transition: transform 0.3s ease;
      color: #fff;
}

.sub2-2 .download_container {
  width: 100%;
}
.sub2-2 .download_item:nth-child(even) {
  background: #f2f2f2;
}
.sub2-2 .download_item .inner {
  max-width: 1400px;
  margin: 0 auto;
  padding-top: 120px;
  padding-bottom: 85px;
  overflow: hidden;
  overflow: hidden;
  display: flex;
  justify-content: space-between;
}
.sub2-2 .right {
  max-width: 1200px;
}
.sub2-2 .item_title {
  display: flex;
  flex-direction: column;
  justify-content: start;
  align-items: flex-start;
  text-align: center;
  gap: 8px;
}
.sub2-2 .title_main {
  font-size: 20px;
  font-weight: 700;
  color: #212529;
  text-align: left;
}
.sub2-2 .item_preview {
  background: #fff;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.sub2-2 .youtube_iframe {
  width: 1200px;
  height: 610px;
  max-width: 100%;
}
.sub2-2 .preview_placeholder {
  opacity: 0.7;
}
.sub2-2 .item_actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  -moz-column-gap: 25px;
       column-gap: 25px;
  margin-top: 25px;
}
.sub2-2 .action_button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px 30px;
  background: #2871d4;
  color: white;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}
.sub2-2 .action_button:first-child {
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}
.sub2-2 .action_button:hover {
  background: #2366c2;
}
.sub2-2 .action_button:hover .button_arrow {
  transform: translateX(3px);
}
.sub2-2 .action_button:active {
  transform: scale(0.98);
}
.sub2-2 .action_button:last-child {
  background: #003e8c;
}
.sub2-2 .action_button:last-child:hover {
  background: #132f57;
}
.sub2-2 .button_text {
  font-size: 1rem;
}
.sub2-2 .button_arrow {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}
.sub2-2 .main_cta {
  margin-top: 170px;
}

.sub3-1 .main_cta {
  background: url(../img/sub3-1banner.jpg) no-repeat;
}
.sub3-1 .cta_content {
  height: 283px;
}

.sub4-1 .main_cta {
  background: url(../img/sub4-1banner.jpg) no-repeat;
}
.sub4-1 .cta_content {
  height: 283px;
}

.sub5-1 .main_cta,
.sub5-2 .main_cta {
  background: url(../img/sub5-1banner.jpg) no-repeat;
  margin-top: 110px;
}
.sub5-1 .cta_content,
.sub5-2 .cta_content {
  height: 283px;
}

.sub6-1 .subpage2 {
  background: #f2f2f2;
}
.sub6-1 .cta_button {
  row-gap: 15px;
}
.sub6-1 .main_cta {
  max-width: 1460px;
  background: url(../img/sub6-1banner.jpg) no-repeat;
  margin-top: 110px;
  margin-bottom: 210px;
}
.sub6-1 .main_cta .cta_subtitle em {
  font-size: 17px;
  font-weight: 400;
}
.sub6-1 .flex_box {
  max-width: 1460px;
  margin: auto;
  display: flex;
  justify-content: space-between;
}
.sub6-1 .flex_box .left {
  width: 610px;
}
.sub6-1 .main_cta2 {
  min-width: 965px;
  background: url(../img/sub2-1banner.jpg) no-repeat;
  margin-top: 110px;
  margin-bottom: 210px;
}
.sub6-1 .main_cta3 {
  min-width: 965px;
  background: url(../img/sub3-1banner.jpg) no-repeat;
  margin-top: 110px;
  margin-bottom: 210px;
}
.sub6-1 .main_cta4 {
  min-width: 965px;
  background: url(../img/sub4-1banner.jpg) no-repeat;
  margin-top: 110px;
  margin-bottom: 210px;
}
.sub6-1 .main_cta5 {
  min-width: 965px;
  background: url(../img/sub5-1banner.jpg) no-repeat;
  margin-top: 110px;
  margin-bottom: 210px;
}
.sub6-1 .cta_content {
  height: 283px;
  padding: 30px 70px;
}

.sub7-5 .partner_form_wrap {
  max-width: 1460px;
  margin: 0 auto;
  padding: 60px 80px;
  background: #fff;
}
.sub7-5 .partner_form_wrap .form_title {
  text-align: center;
  font-size: 30px;
  margin-bottom: 50px;
  color: #000;
  font-weight: 600;
}
.sub7-5 .partner_form_wrap .partner_form .form_section {
  display: flex;
}
.sub7-5 .partner_form_wrap .partner_form .form_section + .form_section {
  margin-top: 135px;
}
.sub7-5 .partner_form_wrap .partner_form .form_section .section_title {
  font-size: 30px;
  font-weight: 600;
  margin-bottom: 30px;
  color: #000;
  min-width: 260px;
}
.sub7-5 .partner_form_wrap .partner_form .form_section .flex_box {
  width: 100%;
}
.sub7-5 .partner_form_wrap .partner_form .form_group {
  margin-bottom: 25px;
  display: flex;
}
.sub7-5 .partner_form_wrap .partner_form .form_group input::-moz-placeholder {
  color: #666;
  font-size: 14px;
}
.sub7-5 .partner_form_wrap .partner_form .form_group input::placeholder {
  color: #666;
  font-size: 14px;
}
.sub7-5 .partner_form_wrap .partner_form .form_group .form_label {
  display: inline-block;
  font-size: 22px;
  color: #666;
  margin-bottom: 8px;
  min-width: 140px;
  text-align: end;
  margin-right: 60px;
}
.sub7-5 .partner_form_wrap .partner_form .form_group .form_label .required {
  color: #666;
  margin-left: 2px;
  background-image: none !important;
}
.sub7-5 .partner_form_wrap .partner_form .form_group .form_input,
.sub7-5 .partner_form_wrap .partner_form .form_group .form_textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.3s;
}
.sub7-5 .partner_form_wrap .partner_form .form_group .form_input:focus,
.sub7-5 .partner_form_wrap .partner_form .form_group .form_textarea:focus {
  outline: none;
  border-color: #0066cc;
}
.sub7-5 .partner_form_wrap .partner_form .form_group .form_textarea {
  min-height: 120px;
  resize: vertical;
}
.sub7-5 .partner_form_wrap .partner_form .form_group .radio_group {
  display: flex;
  gap: 40px;
  align-items: center;
}
.sub7-5 .partner_form_wrap .partner_form .form_group .radio_group .radio_label {
  font-size: 18px;
  color: #888;
  position: relative;
  padding-left: 28px;
  cursor: pointer;
  display: flex;
  align-items: center;
}
.sub7-5 .partner_form_wrap .partner_form .form_group .radio_group .radio_label input {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}
.sub7-5 .partner_form_wrap .partner_form .form_group .radio_group .radio_label span {
  position: relative;
  z-index: 2;
}
.sub7-5 .partner_form_wrap .partner_form .form_group .radio_group .radio_label span::before {
  content: "";
  width: 16px;
  height: 16px;
  border: 2px solid #bfbfbf;
  border-radius: 3px;
  position: absolute;
  left: -28px;
  top: 50%;
  transform: translateY(-50%);
  box-sizing: border-box;
}
.sub7-5 .partner_form_wrap .partner_form .form_group .radio_group .radio_label span::after {
  content: "";
  width: 8px;
  height: 8px;
  background: #bfbfbf;
  position: absolute;
  left: -24px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0;
}
.sub7-5 .partner_form_wrap .partner_form .form_group .radio_group .radio_label input:checked + span::after {
  opacity: 1;
}
.sub7-5 .partner_form_wrap .partner_form .form_group .file_upload_group {
  display: flex;
  gap: 10px;
  align-items: center;
}
.sub7-5 .partner_form_wrap .partner_form .form_group .file_upload_group .file_input {
  display: none;
}
.sub7-5 .partner_form_wrap .partner_form .form_group .file_upload_group .file_label {
  padding: 10px 20px;
  background-color: #ffffff;
  border: 1px solid #ddd;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  color: #666;
  transition: background-color 0.3s;
}
.sub7-5 .partner_form_wrap .partner_form .form_group .file_upload_group .file_label:hover {
  background-color: #f0f0f0;
}
.sub7-5 .partner_form_wrap .partner_form .form_group .file_upload_group .file_info {
  font-size: 13px;
  color: #999;
}
.sub7-5 .partner_form_wrap .partner_form .form_group .help_text {
  font-size: 12px;
  color: #999;
  margin-top: 6px;
}
.sub7-5 .partner_form_wrap .partner_form .form_group .address_group {
  font-size: 13px;
  color: #999;
  margin-bottom: 5px;
}
.sub7-5 .partner_form_wrap .partner_form .button_group {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 50px;
}
.sub7-5 .partner_form_wrap .partner_form .button_group .btn {
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif !important;
  padding: 0px 50px;
  border: none;
  border-radius: 4px;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s;
  height: 50px;
}
.sub7-5 .partner_form_wrap .partner_form .button_group .btn.btn_primary {
  background-color: #0052a3;
  color: white;
}
.sub7-5 .partner_form_wrap .partner_form .button_group .btn.btn_primary:hover {
  background-color: #003d7a;
}
.sub7-5 .partner_form_wrap .partner_form .button_group .btn.btn_secondary {
  background-color: white;
  color: #666;
  border: 1px solid #ddd;
}
.sub7-5 .partner_form_wrap .partner_form .button_group .btn.btn_secondary:hover {
  background-color: #f8f9fa;
}

.container {
  width: 100%;
}
.container .section_box {
  display: flex;
  height: auto;
  padding-top: 172px;
  padding-bottom: 160px;
}
.container .section_box + .section_box {
  border-top: 1px solid #e6e6e6;
}
.container .section_box:first-child {
  padding-top: 0;
}
.container .section_box .check_ul {
  display: flex;
  flex-wrap: wrap;
  row-gap: 26px;
  justify-content: space-between;
}
.container .section_box .check_ul li {
  font-size: 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 31px 21px;
  background: #f5f5f5;
  border-radius: 10px;
  min-width: 488px;
  height: 82px;
}
.container .section_box .row {
  display: flex;
  width: 100%;
}
.container .section_box .row .txt {
  display: flex;
  flex-direction: column;
  row-gap: 30px;
}
.container .section_box .row .txt em {
  font-size: 18px;
  color: #024097;
}
.container .section_box .row .sub_md_txt {
  width: 400px;
  flex-shrink: 0;
  position: sticky;
  top: 100px;
  align-self: flex-start;
  font-size: 48px;
  background: white;
}
.container .section_box .row .content {
  flex: 1; /* 오른쪽 영역 */
}
.container .section_box .row .content .sub_sm_txt {
  line-height: 1.6;
  padding-bottom: 87px;
}
.container .section_box .card_wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  /* 번호 */
  /* 텍스트 */
}
.container .section_box .card_wrap.card2 .custom-card {
  width: 488px;
}
.container .section_box .card_wrap .custom-card {
  position: relative;
  width: 308px;
  height: 168px;
  padding: 36px 30px 43px 36px;
  background: #fff;
  border-radius: 12px;
  border: 2px solid #e5e5e5;
  border-top-left-radius: 50px;
  transition: all 0.3s ease;
}
.container .section_box .card_wrap .custom-card::before {
  position: absolute;
  content: "";
  background: url(../img/line_blue.png) no-repeat;
  width: 55px;
  height: 55px;
  left: -2px;
  top: -2px;
  z-index: 99;
}
.container .section_box .card_wrap .custom-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}
.container .section_box .card_wrap .card-number {
  position: relative;
  color: #004098;
  font-size: 21px;
  margin-bottom: 24px;
}
.container .section_box .card_wrap em {
  font-size: 27px;
  padding-bottom: 25px;
  display: inline-block;
}
.container .section_box .card_wrap .card-text {
  position: relative;
  font-size: 20px;
  color: #5a5a5a;
  line-height: 1.5;
}
.container .section_box .card_wrap.auto_card .custom-card {
  height: 279px;
}
.container .section_box .card_wrap.auto_card .custom-card .card-number {
  font-weight: 500;
  margin-bottom: 17px;
}
.container .section_box .card_wrap.auto_card .custom-card:last-child {
  width: 65%;
}
.container .section_box.sec7last ul {
  display: flex;
  flex-wrap: wrap;
  row-gap: 35px;
  -moz-column-gap: 35px;
       column-gap: 35px;
}
.container .section_box.sec5last ul li + li {
  padding-top: 80px;
}

.sub_footer {
  margin-top: 240px;
  background-size: cover;
  width: 100%;
  height: 787px;
  text-align: center;
  color: #fff;
}
.sub_footer .footer_lg_txt {
  font-size: 38px;
  padding-top: 140px;
  line-height: 1.5;
}
.sub_footer ul {
  padding-top: 130px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 123px;
}

.gradient {
  font-size: 38px;
  font-weight: bold;
  margin: 20px 0;
  text-align: center;
  background: linear-gradient(180deg, #ffffff 0%, #89adff 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.qna-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
}

.qna-tabs {
  display: flex;
  border-bottom: 2px solid #ddd;
  margin-bottom: 40px;
}

.qna-tab {
  flex: 1;
  padding: 15px 20px;
  text-align: center;
  background: white;
  border: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  color: #666;
  transition: all 0.3s;
  white-space: pre-line;
}

.qna-tab:hover {
  background: #f8f9fa;
}

.qna-tab.active {
  background: #0066cc;
  color: white;
  border-bottom: 4px solid #0066cc;
}

.qna-list {
  margin-bottom: 40px;
}

.qna-item {
  border-bottom: 1px solid #e0e0e0;
}

.qna-question {
  width: 100%;
  padding: 20px;
  background: white;
  border: none;
  cursor: pointer;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.3s;
}

.qna-question:hover {
  background: #f8f9fa;
}

.qna-question-content {
  display: flex;
  align-items: center;
  gap: 15px;
}

.qna-q-icon {
  color: #0066cc;
  font-weight: bold;
  font-size: 18px;
}

.qna-question-text {
  font-weight: 500;
  color: #333;
}

.qna-arrow {
  color: #999;
  font-size: 20px;
}

.qna-answer {
  display: none;
  background: #e3f2fd;
  padding: 30px 20px;
  margin-bottom: 10px;
}

.qna-answer.active {
  display: block;
}

.qna-answer-content {
  display: flex;
  gap: 15px;
}

.qna-a-icon {
  color: #0066cc;
  font-weight: bold;
  font-size: 18px;
}

.qna-answer-text {
  color: #555;
  line-height: 1.6;
}

.qna-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 5px;
  margin-bottom: 40px;
}

.qna-page-btn {
  padding: 8px 12px;
  border: none;
  background: white;
  color: #666;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.3s;
}

.qna-page-btn:hover {
  color: #0066cc;
}

.qna-page-btn.active {
  background: #0066cc;
  color: white;
  font-weight: bold;
}

.qna-search-box {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 15px;
  padding: 30px;
  background: #f8f9fa;
  border-radius: 8px;
}

.qna-search-label {
  font-weight: 500;
  color: #333;
}

.qna-search-input {
  width: 400px;
  padding: 10px 15px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
}

.qna-search-input:focus {
  outline: none;
  border-color: #0066cc;
}

.qna-search-btn {
  padding: 10px 30px;
  background: #0066cc;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 500;
  transition: background 0.3s;
}

.qna-search-btn:hover {
  background: #0052a3;
}

.empty-message {
  text-align: center;
  padding: 60px 20px;
  color: #999;
}

.pc_only {
  display: block;
  max-width: 1920px;
  margin: 0 auto;
}

.mob_only {
  display: none;
}

.pc_visual {
  display: block;
}

.mo_visual {
  display: none;
}

.navbar {
  display: flex;
}

@media screen and (max-width: 1440px) {
  .mainbanner_cont {
    width: 1200px;
  }
  .service-box {
    left: calc(50% + 100px);
  }
  .mainbanner .swiper-buttons {
    left: calc(50% - 610px);
  }
  .simulation_section .simulation_container .simulation_content .simulation_left .simulation_list {
    left: calc(50% + 61px);
  }
  .Technology .scm {
    width: 1220px;
  }
  .main_ban_title2 {
    padding: 70px 100px 120px;
  }
  .sub_contents .sub_banner .sub_visual_ttl {
    padding-left: 120px;
  }
  .sub_contents .navbar {
    width: 1020px;
  }
  .main_ban_title2 .scm {
    width: auto;
  }
  .subpage {
    width: 100%;
  }
  .subpage .img1920 {
    width: 100%;
  }
  .subpage .img1920 img {
    width: 100%;
    margin-left: 0;
  }
  .scm {
    width: auto;
  }
  .cta_container {
    max-width: 1200px;
    margin: 0 auto;
  }
  .main_cta {
    max-width: 1200px;
    margin: 0 auto;
  }
  .min {
    min-width: 1200px;
  }
}
@media screen and (max-width: 760px) {
  .pc_only {
    display: none;
  }
  .mob_only {
    display: block;
    max-width: 760px;
  }
  .pc_visual {
    display: none;
  }
  .mo_visual {
    display: block;
  }
  .navbar {
    flex-wrap: wrap;
    font-size: 14px;
  }
  .navbar .dropdown-menu {
    position: static;
    box-shadow: none;
  }
  .min {
    min-width: 680px;
  }
  :root {
    --midt-blue: #2970ff;
    --star-color: 200, 220, 255; /* RGB */
    --min-width: 1px; /* 꼬리 두께 최소 */
    --max-width: 3px; /* 꼬리 두께 최대 */
    --min-height: 120px; /* 꼬리 길이 최소 */
    --max-height: 220px; /* 꼬리 길이 최대 */
    --min-duration: 0.9s; /* 낙하 속도(짧을수록 빠름) 최소 */
    --max-duration: 1.8s; /* 낙하 속도 최대 */
    --spawn-interval: 380ms; /* 자동 생성 주기 (작을수록 자주) */
    --glow-1: 0 0 12px rgba(var(--star-color), 0.95);
    --glow-2: 0 0 26px rgba(var(--star-color), 0.7);
  }
  @import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard-dynamic-subset.min.css");
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  body {
    font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
    color: #1b1b1b;
    height: 100%;
    letter-spacing: -0.03em;
    font-weight: 300;
    background: #fff;
    width: 760px;
    margin: 0 auto;
    min-width: 0px;
  }
  img {
    border: 0;
    vertical-align: bottom;
  }
  a {
    font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
    color: #333;
    text-decoration: none;
  }
  button {
    cursor: pointer;
    border: none;
    background: transparent;
  }
  textarea {
    resize: none;
  }
  label {
    vertical-align: middle;
  }
  .relative {
    position: relative;
  }
  b,
  strong,
  .bold {
    font-weight: 600;
  }
  input:focus,
  input:active,
  textarea:focus,
  textarea:active {
    outline: none;
  }
  .uppercase {
    text-transform: uppercase;
    letter-spacing: -1.5px;
  }
  .frm_input {
    height: 45px;
    /* font-size: 18px; */
    padding-left: 7px;
    box-sizing: border-box;
  }
  .swiper-button-next:after,
  .swiper-button-prev:after {
    display: none;
  }
  /* scss 변수 */
  .scm {
    /*screen_middle*/
    width: 680px !important !important;
    margin: 0 auto;
  }
  .wrap {
    width: 100%;
    /* min-height: 100vh; */
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
  }
  .grid {
    display: flex;
    flex-wrap: wrap;
    row-gap: 20px;
  }
  .grid-no-gap {
    display: flex;
    flex-wrap: wrap;
  }
  .sub_visual {
    padding-top: 270px;
  }
  .sub_visual_ttl {
    font-size: 72px;
    font-weight: 800;
  }
  .sub_md_txt {
    display: inline-block;
    font-size: 54px;
    line-height: 1.4;
    font-weight: 800;
  }
  .sub_sm_txt {
    display: inline-block;
    font-size: 21px;
    color: #5a5a5a;
    line-height: 1.4;
    font-weight: 500;
  }
  .main_ban_title {
    padding: 160px 0;
  }
  .main_ban_title p {
    text-align: center;
    font-size: 45px;
    font-weight: 300;
    line-height: 1.4;
  }
  .main_ban_title p em {
    font-weight: 600;
  }
  .main_sm_ttl {
    font-size: 27px;
    font-weight: 500;
    color: var(--midt-blue);
    margin-bottom: 40px;
  }
  .main_big_ttl {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.4;
    color: #1b1b1b;
    margin-bottom: 45px;
  }
  .subpage {
    width: 100%;
    overflow-x: hidden;
    width: 100%;
    overflow: hidden;
  }
  .subpage .img1920 {
    width: 680px;
    margin: 0 auto;
  }
  .subpage .img1920 > img {
    margin-left: 0px;
  }
  .flex_sb {
    display: flex;
    justify-content: space-between;
  }
  .sub_contents {
    width: 100%;
  }
  .sub_contents .pc_visual {
    display: none !important;
  }
  .sub_contents .navbar {
    display: none;
  }
  /***** header/quick *****/
  .mobile_header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: white;
    z-index: 1000;
    padding: 47px 40px;
    height: 130px;
    max-width: 760px;
    margin: auto;
  }
  .mobile_header:has(.active) {
    padding: 37px 40px;
    background: #063459;
  }
  .mobile_header:has(.active) .logo a img {
    filter: brightness(0) invert(1);
  }
  .mobile_header:has(.active) .mobile_menu_btn.active span {
    background: #fff;
  }
  .mobile_header .login {
    font-size: 27px;
    border-radius: 50px;
    padding: 14px 37px;
  }
  .mobile_header .manu_box {
    display: flex;
    gap: 50px;
  }
  .mobile_header .mobile_header_inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .mobile_header .mobile_logo a {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: #333;
    font-size: 16px;
    font-weight: 600;
  }
  .mobile_header .mobile_logo a .logo_icon {
    width: 24px;
    height: 24px;
    background: #ff4444;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 12px;
  }
  .mobile_header .mobile_menu_btn {
    background: none;
    border: none;
    width: 39px;
    height: auto;
    position: relative;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 11px;
  }
  .mobile_header .mobile_menu_btn span {
    display: block;
    width: 100%;
    height: 4px;
    background: #333;
    transition: all 0.3s ease;
    border-radius: 30px;
  }
  .mobile_header .mobile_menu_btn.active {
    padding-top: 20px;
  }
  .mobile_header .mobile_menu_btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .mobile_header .mobile_menu_btn.active span:nth-child(2) {
    opacity: 0;
  }
  .mobile_header .mobile_menu_btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(17px, -15px);
  }
  .download-btn {
    font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif !important;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: #e8eef3;
    border: none;
    border-radius: 50px;
    font-size: 30px;
    font-weight: 500;
    color: #333;
    cursor: pointer;
    transition: all 0.3s ease;
    height: 108px;
    width: 400px;
    font-weight: 600;
    display: flex;
    justify-content: center;
    margin-top: 120px;
    margin-left: 50px;
  }
  .download-btn:hover {
    background: #d5e1eb;
    transform: translateY(-2px);
  }
  .download-btn:active {
    transform: translateY(0);
  }
  .download-btn i {
    padding-right: 10px;
    padding-bottom: 8px;
  }
  .mobile_menu_overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: #fff;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 998;
  }
  .mobile_menu_overlay.active {
    opacity: 1;
    visibility: visible;
  }
  .mainbanner_cont {
    width: 680px;
  }
  .mainbanner_cont .desc {
    font-size: 28px;
  }
  .mobile_menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    max-height: 0;
    background: white;
    overflow: hidden;
    transition: max-height 0.4s ease;
    z-index: 999;
    padding-top: 130px;
  }
  .mobile_menu.active {
    max-height: 100vh;
    overflow: auto;
  }
  .mobile_menu_header {
    padding: 0 20px 20px;
    border-bottom: 2px solid #e6e6e6;
  }
  .mobile_menu .mobile_auth {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    padding-top: 90px;
  }
  .mobile_menu .mobile_auth a {
    position: relative;
    color: #1b1b1b;
    text-decoration: none;
    font-size: 30px;
    font-weight: 500;
    padding-left: 36px;
  }
  .mobile_menu .mobile_auth a + a {
    padding-left: 15px;
    margin-left: 15px;
  }
  .mobile_menu .mobile_auth a + a::before {
    position: absolute;
    content: "";
    width: 2px;
    height: 31px;
    left: -10px;
    color: #333;
    background: #333;
  }
  .mobile_menu_item {
    border-bottom: 2px solid #e6e6e6;
  }
  .mobile_menu_item .mobile_menu_header {
    padding: 23px 54px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    background: white;
    border: none;
    width: 100%;
    text-align: left;
    font-size: 33px;
    font-weight: 500;
  }
  .mobile_menu_item .mobile_menu_header:hover {
    background: #f8f8f8;
  }
  .mobile_menu_item .mobile_menu_header .mobile_menu_arrow {
    transform: rotate(0deg);
    transition: transform 0.3s ease;
  }
  .mobile_menu_item .mobile_menu_header .mobile_menu_arrow img {
    vertical-align: middle;
  }
  .mobile_menu_item .mobile_menu_header span {
    font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif !important;
  }
  .mobile_menu_item.active .mobile_menu_arrow {
    transform: rotate(180deg);
  }
  .mobile_menu_item.active .mobile_submenu {
    max-height: 1200px;
  }
  .mobile_menu_item.active .mobile_menu_header {
    border-bottom: 2px solid #e6e6e6;
  }
  .mobile_menu_item .mobile_submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: #f8f8f8;
  }
  .mobile_menu_item .mobile_submenu a {
    display: block;
    padding: 34px 52px;
    color: #666;
    text-decoration: none;
    font-size: 29px;
    border-bottom: 1px solid #d5d5d5;
  }
  .mobile_menu_item .mobile_submenu a:hover {
    background: #f0f0f0;
    color: #333;
  }
  .mobile_menu_item .mobile_submenu a:last-child {
    border-bottom: none;
  }
  .mainbanner {
    width: 100%;
    max-height: 1080px;
    height: 100vh;
    overflow: hidden;
    position: relative;
  }
  .mainbanner .swiper {
    width: 100%;
    height: 100%;
  }
  .mainbanner .swiper-wrpper {
    width: 100%;
    height: 100%;
  }
  .mainbanner .swiper-slide {
    width: 100%;
    height: 100%;
  }
  .mainbanner .swiper-slide.slide1 {
    background: url("../img/mobile/mainbanner1_bg.jpg") no-repeat center;
    background-size: cover;
  }
  .mainbanner .swiper-slide.slide2 {
    background: url("../img/mobile/mainbanner2_bg.jpg") no-repeat center;
    background-size: cover;
  }
  .mainbanner .swiper-slide.slide2 h3,
  .mainbanner .swiper-slide.slide2 .desc {
    color: #fff;
  }
  .mainbanner .swiper-slide.slide3 {
    background: url("../img/mobile/mainbanner1_bg.jpg") no-repeat center;
    background-size: cover;
  }
  .mainbanner_cont {
    width: 680px !important;
    height: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .mainbanner_cont h3 {
    font-weight: 300;
    color: #fff;
    font-size: 72px;
    line-height: 1.3;
    letter-spacing: -0.045em;
    margin-bottom: 45px;
    transform: translateY(60px);
    opacity: 0;
    transition: all ease 1s;
  }
  .mainbanner_cont h3 em {
    font-weight: 700;
  }
  .mainbanner_cont .desc {
    font-size: 27px;
    opacity: 0;
    transform: translateY(-60px);
    transition: all ease 1s;
    color: #fff;
    letter-spacing: 0.5px;
    font-weight: 400;
  }
  .mainbanner .active .mainbanner_cont h3 {
    opacity: 1;
    transform: translateY(0px);
  }
  .mainbanner .active .mainbanner_cont .desc {
    opacity: 1;
    transform: translateY(0px);
  }
  .mainbanner .active .mainbanner_cont .link_more_wrap2 {
    opacity: 1;
    transform: translateY(0px);
  }
  .mainbanner .swiper-pagination {
    position: absolute;
    bottom: 100px;
    left: calc(50% - 700px);
    display: inline-block;
    width: initial;
    color: var(--midt-blue);
    font-weight: 600;
  }
  .mainbanner .swiper-pagination-total {
    margin-left: 150px;
  }
  .mainbanner .swiper-pagination-bar {
    position: absolute;
    bottom: 106px;
    left: calc(50% - 670px);
    width: 120px;
    height: 2px;
    background: rgba(0, 0, 0, 0.2);
    z-index: 5;
    transition: all ease 3s;
    transition-timing-function: linear;
  }
  .mainbanner .swiper-pagination-bar::after {
    content: "";
    display: block;
    width: 0;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    background: var(--midt-blue);
    transform-origin: left center;
  }
  .mainbanner .swiper-pagination-bar.active::after {
    transition: all ease 4s;
    width: 100%;
  }
  .mainbanner .swiper-buttons {
    position: absolute;
    bottom: 270px;
    left: calc(50% - 350px);
    display: flex;
  }
  .mainbanner .swiper-buttons .swiper-button-next {
    right: auto;
    left: calc(50% + 70px);
  }
  .service-box {
    padding-top: 59px;
    max-width: 680px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    row-gap: 15px;
    bottom: -310px;
    left: calc(50% - 300px);
	position: static;
  }
  .service-box .service-item {
    position: relative;
    padding: 18px 40px;
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    cursor: pointer;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-radius: 20px;
    height: 119px;
  }
  .service-box .service-item:nth-child(even) {
    background: linear-gradient(135deg, #1e3a5f 0%, #2d5a8f 100%);
  }
  .service-box .service-item::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
  }
  .service-box .service-item:hover {
    box-shadow: -10px 10px 30px rgba(0, 0, 0, 0.3);
  }
  .service-box .service-item:hover::before {
    left: 100%;
  }
  .service-box .service-item:hover h3 {
    letter-spacing: 1px;
  }
  .service-box .service-item:hover p {
    color: rgba(255, 255, 255, 0.9);
  }
  .service-box .service-item:hover .service-link {
    opacity: 1;
  }
  .service-box .service-item:hover .service-btn {
    transform: rotate(90deg) scale(1.1);
    box-shadow: 0 6px 25px rgba(255, 255, 255, 0.3);
  }
  .service-box .service-item h3 {
    font-size: 30px;
    color: white;
    font-weight: bold;
    transition: all 0.3s;
  }
  .service-box .service-item p {
    font-size: 24px;
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s;
  }
  .service-box .service-content {
    position: relative;
    z-index: 1;
    display: flex;
    gap: 10px;
    align-items: center;
  }
  .service-box .service-right {
    display: flex;
    align-items: center;
    gap: 20px;
    position: relative;
    z-index: 1;
  }
  .service-box .service-link {
    color: white;
    font-size: 24px;
    transition: all 0.3s;
    opacity: 0.9;
    white-space: nowrap;
  }
  .service-box .service-btn {
    width: 55px;
    height: 55px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 39px;
    color: #3b82f6;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    flex-shrink: 0;
    padding-bottom: 7px;
  }
  /***** //header/quick *****/
  /***** main *****/
  .desc {
    font-size: 16px;
    line-height: 1.6;
    font-weight: 500;
    color: #4b4b4b;
  }
  .desc b {
    font-weight: 700;
  }
  .swiper-button-next,
  .swiper-button-prev {
    background: none !important; /* 배경 이미지 제거 */
    width: 30px; /* 필요 시 크기 조정 */
    height: 30px;
  }
  .swiper-button-next::after,
  .swiper-button-prev::after {
    display: none; /* 기본 화살표 제거 */
  }
  .main_hero {
    background: url(../img/mobile/main_hero.jpg) no-repeat center;
    background-size: cover;
    width: 100%;
    height: auto;
    min-height: 2309px;
    padding: 80px 0 100px;
  }
  .main_hero .hero_content {
    padding-top: 80px;
    background: none;
    max-width: 680px;
    width: 100%;
    margin: 0 auto;
    height: auto;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding-left: 0;
    color: #fff;
  }
  .main_hero .hero_content .main_sm_ttl {
    font-size: 27px;
    color: #fff;
    margin-bottom: 60px;
    font-weight: 700;
  }
  .main_hero .hero_title {
    font-size: 63px;
    font-weight: bold;
    margin-bottom: 40px;
    line-height: 1.3;
  }
  .main_hero .hero_description {
    font-size: 27px;
    line-height: 1.6;
    opacity: 0.9;
    max-width: 800px;
    margin-bottom: 60px;
  }
  .main_hero .hero_btn {
    display: inline-block;
    padding: 17px 35px;
    background: transparent;
    border: 2px solid white;
    color: white;
    text-decoration: none;
    font-size: 21px;
    transition: all 0.3s ease;
    cursor: pointer;
    width: auto;
    max-width: 200px;
    height: auto;
    font-weight: 500;
    height: 62px;
    text-align: center;
  }
  .main_hero .hero_btn:hover {
    background: white;
    color: #000;
  }
  .stats {
    position: absolute;
    /* padding: 80px 20px; */
    width: 680px;
    margin: 0 auto;
    padding-top: 60px;
    top: 3100px;
    left: 50%;
    transform: translateX(-50%);
  }
  .stats .inner {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 680px;
    margin: 0 auto;
    position: static;
    min-height: auto;
  }
  .stats_item {
    flex: none;
    width: 100%;
    max-width: 100%;
    min-height: 280px;
    max-height: none;
    display: flex;
    flex-direction: column;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid #f2f2f2;
    align-items: flex-start;
    text-align: start;
    padding: 40px 30px;
    justify-content: flex-end;
    border-left: none;
    border-right: none;
  }
  .stats_item::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #2563eb;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
  }
  .stats_item:first-child {
    border-top: 2px solid #fff;
  }
  .stats_item:last-child {
    border-bottom: none;
  }
  .stats_icon {
    margin-bottom: 25px;
    transition: all 0.3s ease;
    position: relative;
    top: 0;
    left: 560px;
    filter: brightness(0) invert(1);
  }
 
  .stats_number {
    font-size: 90px;
    font-weight: bold;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    color: #2563eb;
  }
  .stats sup {
    font-size: 54px;
    position: relative;
    top: -30px;
  }
  .stats_description {
    font-size: 27px;
    line-height: 1.6;
    transition: all 0.3s ease;
    color: #ffffff;
  }
  .stats_number,
  .stats_description,
  .stats_icon {
    position: relative;
    z-index: 1;
  }
  .stats_item {
    background: transparent;
	max-width: 100% !important;
  }
  .stats_item:hover {
    border-top: 2px solid #fff;
    border-bottom: 1px solid #fff;
    border-left: none;
    border-right: none;
  }
      .stats_item:last-child:hover {
		border-bottom:none;
	  }
  .stats_item::before {
    display: none;
  }
  .main_subject {
    padding-top: 150px;
    position: relative;
    overflow: hidden;
    width: 100%;
    margin-bottom: 150px;
  }
  .main_subject .scm {
    width: 680px;
  }
  .main_subject .flex_box {
    display: flex;
    justify-content: space-between;
    align-items: end;
  }
  .main_subject .service_nav {
    display: flex;
    justify-content: center;
    gap: 85px;
  }
  .main_subject .service_nav_btn {
    min-width: 158px;
    padding: 15px 35px;
    background: white;
    color: #666;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
  }
  .main_subject .service_nav_btn:hover, .main_subject .service_nav_btn.active {
    background: #2563eb;
    border-color: #2563eb;
    color: white;
    min-width: 158px;
  }
  .main_subject .service_swiper_wrap {
    width: 100%;
    overflow: hidden;
  }
  .main_subject .service_swiper_wrap .service_swiper .swiper {
    width: 100%;
    overflow: hidden;
  }
  .main_subject .service_swiper_wrap .service_swiper .swiper .swiper-wrapper {
    display: flex;
  }
  .main_subject .service_swiper_wrap .service_swiper .swiper .swiper-slide {
    opacity: 0.4;
    transition: opacity 0.3s ease;
  }
  .main_subject .service_swiper_wrap .service_swiper .swiper .swiper-slide.swiper-slide-active {
    opacity: 1;
  }
  .main_subject .service_swiper_wrap .service_swiper .swiper .swiper-slide .service_slide_content {
    display: flex;
    align-items: center;
    gap: 60px;
    padding-top: 84px;
    background: #fff;
    justify-content: center;
  }
  .main_subject .service_swiper_wrap .service_swiper .swiper .swiper-slide .service_slide_content .service_slide_text {
    flex: 1;
  }
  .main_subject .service_swiper_wrap .service_swiper .swiper .swiper-slide .service_slide_content .service_slide_text .service_number {
    display: block;
    font-size: 20px;
    color: #000;
    font-weight: bold;
    margin-bottom: 82px;
  }
  .main_subject .service_swiper_wrap .service_swiper .swiper .swiper-slide .service_slide_content .service_slide_text .service_title {
    font-size: 40px;
    font-weight: bold;
    color: #1a1a1a;
    margin-bottom: 42px;
  }
  .main_subject .service_swiper_wrap .service_swiper .swiper .swiper-slide .service_slide_content .service_slide_text .service_desc {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 54px;
  }
  .main_subject .service_swiper_wrap .service_swiper .swiper .swiper-slide .service_slide_content .service_slide_text .view_more_btn {
    padding: 12px 30px;
    background: #2563eb;
    color: white;
    border: none;
    cursor: pointer;
    font-size: 14px;
    height: 55px;
    transition: all 0.3s ease;
  }
  .main_subject .service_swiper_wrap .service_swiper .swiper .swiper-slide .service_slide_content .service_slide_text .view_more_btn:hover {
    background: #1d4ed8;
  }
  .main_subject .service_swiper_wrap .service_swiper .swiper .swiper-slide .service_slide_content .service_slide_img img {
    width: 620px;
    height: 706px;
    -o-object-fit: cover;
    object-fit: cover;
  }
  .main_subject .service_swiper_wrap .service_swiper .swiper {
    left: auto;
  }
  .btn_viewmore {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 120px;
    height: 34px;
    border: 1px solid var(--midt-blue);
    color: #024097;
    font-size: 12px;
    border-radius: 30px;
    transition: all ease 0.3s;
  }
  .btn_viewmore::after {
    content: url("../img/icon_arrow_viewmore.png");
    margin-left: 10px;
    padding-top: 2px;
  }
  .btn_viewmore:hover {
    background: var(--midt-blue);
    color: #fff;
  }
  .btn_viewmore:hover::after {
    filter: grayscale(1) brightness(10);
  }
  .simulation_mobile_section {
    width: 100%;
    max-width: 760px;
    margin: 0 auto;
    min-height: 1620px;
    background: linear-gradient(135deg, #0a0e1a 0%, #1a1f2e 100%);
    padding: 64px 40px;
    padding-top: 160px;
  }
  .simulation_mobile_section .main_big_ttl,
  .simulation_mobile_section .desc,
  .simulation_mobile_section .main_sm_ttl {
    color: #fff;
  }
  .simulation_mobile_section .main_big_ttl {
    padding-top: 20px;
    padding-bottom: 30px;
  }
  .simulation_mobile_section .desc {
    padding-bottom: 90px;
  }
  .simulation_mobile_inner {
    max-width: 680px;
    margin: 0 auto;
  }
  .simulation_mobile_list {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  .simulation_mobile_item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border-radius: 8px;
    margin-bottom: 12px;
    transition: all 0.5s ease;
  }
  .simulation_mobile_item_wrapper {
    position: relative;
    height: 120px;
    transition: height 0.5s ease;
  }
  .simulation_mobile_item.active .simulation_mobile_item_wrapper {
    height: 400px;
  }
  .simulation_mobile_item_image {
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
       object-fit: cover;
    transition: filter 0.5s ease;
    filter: grayscale(10%) brightness(1);
  }
  .simulation_mobile_item.active .simulation_mobile_item_image {
    filter: none;
  }
  .simulation_mobile_item_overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.4) 100%);
    opacity: 1;
    transition: opacity 0.5s ease;
  }
  .simulation_mobile_item.active .simulation_mobile_item_overlay {
    opacity: 0;
  }
  .simulation_mobile_item_header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    transition: all 0.5s ease;
    height: 100%;
  }
  .simulation_mobile_item.active .simulation_mobile_item_header {
    background: transparent;
    align-items: flex-end;
  }
  .simulation_mobile_item_content {
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .simulation_mobile_item_number {
    color: #3b82f6;
    font-size: 42px;
    font-weight: bold;
    transition: color 0.3s ease;
  }
  .simulation_mobile_item_text {
    color: #fff;
    font-size: 42px;
    font-weight: 500;
  }
  .main_Technology {
    width: 100%;
    overflow: hidden;
  }
  .Technology {
    height: auto;
    display: flex;
    align-items: center;
    position: relative;
    margin: auto;
    margin-top: 250px;
    overflow: hidden;
    width: 100%;
  }
  .Technology .scm {
    width: 680px !important;
  }
  .Technology .img {
    position: absolute;
    left: calc(50% + 100px);
    top: 0;
  }
  .Technology .box_txt {
    color: #de3713;
    border-radius: 10px;
    border: 2px solid #de3713;
    display: inline-block;
    font-size: 24px;
    font-weight: 600;
    padding: 10px 20px;
    margin-bottom: 40px;
  }
  .Technology .parall_ttl {
    font-size: 54px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 40px;
    line-height: 1.4;
  }
  .Technology .para_txt {
    color: rgba(255, 255, 255, 0.6);
  }
  .Technology .about_swiper_wrap {
    overflow: hidden;
    padding-top: 90px;
    max-width: 680px;
    position: static;
  }
  .Technology .about_swiper_wrap .swiper-slide {
    width: 346px;
    height: 450px;
    overflow: hidden;
    transition: all ease 0.5s;
  }
  .Technology .swiper-buttons2 {
    position: absolute;
    bottom: 40px;
  }
  .Technology .swiper-button-next2 {
    position: absolute;
    left: 60px;
    bottom: 0px;
  }
  .main_research {
    padding: 200px 0;
    background: url("../img/main_research_bg.jpg") no-repeat center/cover;
  }
  .main_research .main_ttl_grp .main_sm_ttl,
  .main_research .main_ttl_grp .main_big_ttl,
  .main_research .main_ttl_grp .desc {
    color: #fff;
  }
  .main_research .main_research_swiper {
    position: relative;
    margin-top: 150px;
  }
  .main_research .main_research_swiper .swiper {
    overflow: hidden;
  }
  .main_research .main_research_swiper .swiper .swiper-slide {
    width: 307px;
    color: #fff;
  }
  .main_research .main_research_swiper .swiper .swiper-slide p {
    border-radius: 15px;
    overflow: hidden;
    margin-bottom: 24px;
  }
  .main_research .main_research_swiper .swiper .swiper-slide h6 {
    font-size: 20px;
    margin-bottom: 30px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
    transition: color 0.2s ease;
  }
  .main_research .main_research_swiper .swiper .swiper-slide .tooltip.show {
    opacity: 1;
  }
  .main_research .main_research_swiper .swiper .swiper-slide p {
    line-height: 1.3;
    word-break: keep-all;
  }
  .main_research .main_research_swiper .swiper-button-prev {
    transform: rotate(180deg);
    left: calc(50% - 700px - 58px - 20px);
    top: 150px;
    width: 58px;
    height: 58px;
    margin-top: 0;
  }
  .main_research .main_research_swiper .swiper-button-next {
    right: calc(50% - 700px - 58px - 20px);
    top: 150px;
    width: 58px;
    height: 58px;
    margin-top: 0;
  }
  .main_retina {
    padding: 320px 0;
    background: url("../img/main_retina_bg.jpg") no-repeat center/cover;
  }
  .main_retina .main_ttl_grp .main_sm_ttl,
  .main_retina .main_ttl_grp .main_big_ttl,
  .main_retina .main_ttl_grp .desc {
    color: #fff;
  }
  .main_retina_blink {
    width: 370px;
    height: 68px;
    font-size: 32px;
    border-radius: 12px;
    color: #fff;
    background: #1e4787;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 40px;
    /* 초기 배경 */
    background: linear-gradient(to bottom, #0056c2, #003e8c);
    /* 애니메이션 */
    animation: blinkBg 4s infinite alternate;
  }
  @keyframes blinkBg {
    0% {
      background: linear-gradient(to bottom, #0056c2, #003e8c);
    }
    50% {
      background: linear-gradient(to bottom, #ffd700, #d4af37); /* 금색 계열 */
    }
    100% {
      background: linear-gradient(to bottom, #0056c2, #003e8c);
    }
  }
  .main_equip {
    padding: 200px 0;
    overflow: hidden;
  }
  .main_equip .btn_viewmore {
    margin-top: 30px;
  }
  .main_equip_info {
    width: 50%;
    padding-right: 98px;
  }
  .main_equip_sm {
    width: 100%;
    margin-top: 80px;
    position: relative;
  }
  .main_equip_sm .swiper {
    width: 567px;
    overflow: hidden;
  }
  .main_equip_sm .swiper .swiper-slide {
    width: 180px;
  }
  .main_equip_sm .swiper .swiper-slide em {
    display: block;
    margin-top: 12px;
    text-align: center;
    font-size: 16px;
  }
  .main_equip_sm .swiper .swiper-slide span {
    display: block;
    border-radius: 12px;
    height: 126px;
    overflow: hidden;
  }
  .main_equip_sm .swiper .swiper-slide img {
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
       object-fit: cover;
  }
  .main_equip_sm .swiper-button-prev,
  .main_equip_sm .swiper-button-next {
    color: #17253a;
    width: auto;
    height: auto;
    margin: 0;
  }
  .main_equip_sm .swiper-button-prev {
    left: -30px;
    top: 60px;
  }
  .main_equip_sm .swiper-button-next {
    right: 0px;
    top: 60px;
  }
  .main_equip_sm .swiper-scrollbar {
    width: calc(100% - 38px);
    height: 4px;
    margin-top: 40px;
    opacity: 1 !important;
  }
  .main_equip_big {
    width: 50%;
    overflow: hidden;
  }
  .main_news .board {
    width: 760px;
    padding-top: 120px;
    background: #fff;
    text-align: center;
    padding-bottom: 210px;
  }
  .main_news .board_inner {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
  }
  .main_news .board .main_sm_ttl {
    text-align: start;
  }
  .main_news .board .main_big_ttl {
    text-align: start;
    margin-bottom: 107px;
  }
  .main_news .board_content {
    display: flex;
    gap: 40px;
    width: 100%;
    flex-direction: column;
    justify-content: flex-start !important;
    align-items: center;
  }
  .main_news .board_card {
    display: block;
    width: 100%;
    border: 1px solid #ddd;
    border-top: 4px solid #000;
    background: #fff;
    text-align: left;
    padding: 32px;
    transition: all 0.4s ease;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: inherit;
    text-decoration: none;
  }
  .main_news .board_card:hover {
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
    transform: translateY(-6px);
  }
  .main_news .board_card:hover .board_plus {
    transform: rotate(180deg);
  }
  .main_news .board_icon {
    font-size: 42px;
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
  }
  .main_news .board_icon span {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #111;
  }
  .main_news .board_desc {
    font-size: 29px;
    line-height: 1.7;
    color: #444;
    margin-bottom: 24px;
    min-height: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-weight: 500;
  }
  .main_news .board_thumb {
    width: 100%;
    margin-bottom: 20px;
  }
  .main_news .board_thumb img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    transition: transform 0.5s ease;
  }
  .main_news .board_thumb:hover img {
    transform: scale(1.02);
  }
  .main_news .board_bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .main_news .board_date {
    font-size: 14px;
    color: #666;
  }
  .main_news .board_plus {
    width: 32px;
    height: 32px;
    border: 1px solid #111;
    border-radius: 50%;
    position: relative;
    transition: transform 0.5s ease;
  }
  .main_news .board_plus .plus_line {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 12px;
    height: 2px;
    background: #111;
    transform: translate(-50%, -50%);
    transition: background 0.3s ease;
  }
  .main_news .board_plus .plus_line:nth-child(2) {
    transform: translate(-50%, -50%) rotate(90deg);
  }
  .main_news .board_plus:hover {
    background: #111;
  }
  .main_news .board_plus:hover .plus_line {
    background: #fff;
  }
  .main_ban_title {
    padding: 160px 40px 120px;
    margin-top: 60px;
  }
  .main_ban_title p {
    text-align: start;
    font-size: 60px;
    font-weight: 400;
    line-height: 1.4;
  }
  .main_ban_title p em {
    font-weight: 600;
	        font-size: 54px;
  }
  .service_cards {
    display: flex;
    flex-direction: column;
    gap: 18px;
    width: 680px;
    margin: 40px auto;
  }
  .service_cards_item {
    position: relative;
    width: 100%;
    height: 140px;
    border-radius: 18px;
    overflow: hidden;
    flex: none !important;
    display: flex;
    align-items: center;
    /* 어두운 오버레이 */
  }
  .service_cards_item img {
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
       object-fit: cover;
  }
  .service_cards_item::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 1;
  }
  .service_cards_content {
    position: absolute;
    z-index: 2;
    left: 20px;
    right: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #fff;
    transform: none;
    top: 50%;
    transform: translateY(-50%);
  }
  .service_cards_title {
    font-size: 33px;
    font-weight: 600;
    margin: 0;
  }
  .service_cards_btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    -webkit-backdrop-filter: blur(4px);
            backdrop-filter: blur(4px);
    padding: 0;
    font-size: 15px;
  }
  .footer {
    background: #1a1a1a !important;
    color: #999;
    padding: 60px 0 40px;
  }
  .footer .scm {
    max-width: 680px !important;
    margin: 0 auto;
    padding: 0 20px;
  }
  .footer_top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 40px;
    border-bottom: 1px solid #333;
    margin-bottom: 40px;
    flex-direction: column;
    row-gap: 50px;
  }
  .footer_menu {
    display: flex;
    gap: 40px;
  }
  .footer_menu a {
    color: #ffffff;
    text-decoration: none;
    font-size: 15px;
    transition: color 0.3s ease;
  }
  .footer_menu a:hover {
    color: #fff;
  }
  .footer_bottom {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-direction: column-reverse;
    row-gap: 51px;
  }
  .footer_info {
    font-size: 15px;
    line-height: 1.8;
    color: #a7a7a7;
  }
  .footer_info .copyright {
    font-size: 15px;
  }
  .footer_contact {
    font-size: 24px;
    color: #ffffff;
    line-height: 1.4;
    text-align: justify;
  }
  .footer_contact .phone {
    font-size: 23px;
    font-weight: 400;
    color: #fff;
  }
  .footer_contact .time {
    font-size: 23px;
    font-weight: 400;
    color: #fff;
    display: flex;
  }
  /***** //main *****/
  .desc {
    font-size: 25px;
    line-height: 1.6;
    font-weight: 500;
    color: #4b4b4b;
  }
  .desc b {
    font-weight: 700;
  }
  .sub_visual .sub_visual_ttl .sub_title {
    padding-bottom: 163px;
  }
  .sub_visual .sub_visual_ttl .sub_sm_txt {
    padding-bottom: 47px;
  }
  .flowing-container {
    width: 100%;
    height: 65px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    line-height: 1.3;
    margin-bottom: 180px;
  }
  .flowing-container .flowing-text {
    font-size: 65px;
    font-weight: bold;
    color: #f4f4f4;
    position: absolute;
    animation: scrollLeft 20s linear infinite;
    height: 70px;
    overflow: hidden;
  }
  .flowing-container .text-item + .text-item {
    padding-left: 75px;
  }
  @keyframes scrollLeft {
    0% {
      left: 0%;
    }
    100% {
      left: -100%;
    }
  }
  .hero_section {
    display: flex;
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
  .hero_section .sub_md_txt {
    line-height: 1.4;
    font-weight: 800;
  }
  .hero_section .sub_sm_txt {
    padding-top: 45px;
    padding-bottom: 65px;
  }
  .hero_section .sub_top_img_wrap {
    width: 998px;
    height: 400px;
    border-radius: 18px;
    overflow: hidden;
  }
  .hero_section .sub_top_img_wrap .sub_top_img {
    /* 초기 상태 (멈춰있는 상태) */
    width: 0;
    height: 100%;
    opacity: 0;
    transform: translateX(160px);
    border-radius: 18px;
    overflow: hidden;
    /* 애니메이션은 active일 때만 실행 */
  }
  .hero_section .sub_top_img_wrap .sub_top_img.ani.active {
    animation: subTopImg 1s ease forwards;
  }
  .hero_section .sub_top_img_wrap .sub_top_img img {
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
       object-fit: cover;
    border-radius: 18px;
  }
  @keyframes subTopImg {
    0% {
      width: 0;
      opacity: 0;
      transform: translateX(160px);
    }
    100% {
      width: 998px;
      opacity: 1;
      transform: translateX(0);
    }
  }
  .hero_section .description {
    text-align: center;
    max-width: 600px;
    margin: 50px auto 0;
    padding: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  }
  .hero_section .footer-spacer {
    height: 100vh;
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
    font-size: 1.5rem;
    text-align: center;
  }
  .hero_section ul {
    padding-top: 70px;
    display: flex;
    justify-content: center;
    gap: 134px;
  }
  .hero_section ul li {
    display: flex;
    flex-direction: column;
  }
  .hero_section ul li em {
    font-size: 26px;
    color: #1e4787;
    font-weight: 800;
  }
  .hero_section ul li b {
    font-size: 18px;
    font-weight: 800;
    padding-top: 30px;
    padding-bottom: 20px;
  }
  .hero_section ul li span {
    font-size: 18px;
    color: #5a5a5a;
    font-weight: 400;
    line-height: 1.4;
  }
  .scrolling_area {
    padding-top: 320px;
  }
  .scrolling_area .txt_box {
    display: flex;
    flex-direction: column;
    text-align: center;
    padding-bottom: 170px;
  }
  .scrolling_area .txt_box .sub_md_txt {
    padding-bottom: 40px;
  }
  .scrolling_area .tab_wrap .tab_buttons {
    padding-bottom: 60px;
  }
  .scrolling_area .tab_wrap .tab_buttons .tab_btn {
    font-size: 22px;
    color: #636363;
    padding: 14px 37px;
    border-radius: 50px;
    background: #f2f2f2;
    border: none;
    text-align: center;
  }
  .scrolling_area .tab_wrap .tab_buttons .tab_btn + .tab_btn {
    margin-left: 22px;
  }
  .scrolling_area .tab_wrap .tab_buttons .tab_btn.active {
    background: #1e4787;
    color: #fff;
    padding: 14px 37px;
    border-radius: 50px;
  }
  .scrolling_area .tab_wrap .tab_contents .tab_content {
    display: none;
  }
  .scrolling_area .tab_wrap .tab_contents .tab_content.active {
    display: block;
  }
  .sub_title {
    font-size: 50px;
    font-weight: 500;
    color: #fff;
  }
  .sub_sm_txt {
    font-size: 16px;
    font-weight: 400;
    color: #fff;
  }
  .sub_contents.mobile {
    width: 100%;
  }
  .sub_contents.mobile .sub_banner_mo {
    position: relative;
    width: 100%;
    height: 1300px;
    min-height: 600px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    background: #000;
  }
  .sub_contents.mobile .sub_banner_img_mo {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
    animation: bgMotion 5s ease-in-out 0.5s forwards;
  }
  .sub_contents.mobile .sub_banner_img_mo.sub1_1 {
    background: url(../img/mobile/sub1_1bg.jpg) no-repeat;
    background-size: cover;
  }
  .sub_contents.mobile .sub_banner_img_mo.sub2_1 {
    background: url(../img/mobile/sub2-1bg.jpg) no-repeat;
    background-size: cover;
  }
  .sub_contents.mobile .sub_banner_img_mo.sub2_2 {
    background: url(../img/mobile/sub2-1bg.jpg) no-repeat;
    background-size: cover;
  }
  .sub_contents.mobile .sub_banner_img_mo.sub3_1 {
    background: url(../img/mobile/sub3-1bg.jpg) no-repeat;
    background-size: cover;
  }
  .sub_contents.mobile .sub_banner_img_mo.sub4_1 {
    background: url(../img/mobile/sub4-1bg.jpg) no-repeat;
    background-size: cover;
  }
  .sub_contents.mobile .sub_banner_img_mo.sub5_1 {
    background: url(../img/mobile/sub5-1bg.jpg) no-repeat;
    background-size: cover;
  }
  .sub_contents.mobile .sub_banner_img_mo.sub5_2 {
    background: url(../img/mobile/sub5-1bg.jpg) no-repeat;
    background-size: cover;
  }
  .sub_contents.mobile .sub_banner_img_mo.sub6_1 {
    background: url(../img/mobile/sub6-1bg.jpg) no-repeat;
    background-size: cover;
  }
  .sub_contents.mobile .sub_banner_img_mo.sub7_1 {
    background: url(../img/mobile/sub7-1bg.jpg) no-repeat;
    background-size: cover;
  }
  .sub_contents.mobile .sub_banner_img_mo.sub7_2 {
    background: url(../img/mobile/sub7-1bg.jpg) no-repeat;
    background-size: cover;
  }
  .sub_contents.mobile .sub_banner_img_mo.sub7_3 {
    background: url(../img/mobile/sub7-1bg.jpg) no-repeat;
    background-size: cover;
  }
  .sub_contents.mobile .sub_banner_img_mo.sub7_4 {
    background: url(../img/mobile/sub7-1bg.jpg) no-repeat;
    background-size: cover;
  }
  .sub_contents.mobile .sub_banner_img_mo.sub7_5 {
    background: url(../img/mobile/sub7-1bg.jpg) no-repeat;
    background-size: cover;
  }
  .sub_contents.mobile .sub_banner_img_mo.sub7_6 {
    background: url(../img/mobile/sub7-1bg.jpg) no-repeat;
    background-size: cover;
  }
  .sub_contents.mobile .sub_visual_ttl_mo {
    word-break: keep-all;
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    padding: 0 20px;
    margin-top: 300px;
  }
  .sub_contents.mobile .sub_visual_ttl_mo .sub_navi {
    font-size: 27px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
    letter-spacing: 0.5px;
  }
  .sub_contents.mobile .sub_visual_ttl_mo .sub_title_mo {
    word-break: keep-all;
    font-size: 90px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
  }
  .sub_contents.mobile .sub_visual_ttl_mo .sub_sm_txt_mo {
    font-size: 30px;
    font-weight: 400;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    white-space: pre-line;
    max-width: 90%;
  }
  @keyframes bgMotion {
    from {
      transform: perspective(500px) scale(1.1) rotate(0.001deg);
    }
    to {
      transform: perspective(500px) scale(1) rotate(0.001deg);
    }
  }
  .cta_container {
    max-width: 1400px;
    margin: 0 auto;
  }
  /* 상단 파란색 배너 */
  .top_banner {
    display: flex;
    background: linear-gradient(135deg, #1e5bb8 0%, #2871d4 100%);
    color: white;
    padding: 20px 40px;
    text-decoration: none;
    transition: all 0.3s ease;
    margin-bottom: 170px;
    max-width: 680px;
    margin: 0 auto;
    border-radius: 20px;
    margin-bottom: 170px;
    height: 110px;
  }
  .top_banner:hover {
    background: linear-gradient(135deg, #1a4d9e 0%, #2366c2 100%);
  }
  .top_banner:hover .top_banner_arrow {
    transform: translateX(5px);
  }
  .top_banner_inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
  }
  .top_banner_text {
    font-size: 30px;
    font-weight: 500;
  }
  .top_banner_arrow {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
  }
  /* 메인 CTA 섹션 */
  .main_cta {
    background: url(../img/sub2-1banner.jpg) no-repeat;
    background-size: cover !important;
    background-position: center !important;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    border-radius: 20px;
    margin: 0 auto;
    margin-bottom: 200px;
    max-width: 680px;
  }
  .cta_content {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: self-start;
    gap: 40px;
    height: 569px;
    padding: 50px 40px;
    flex-direction: column;
  }
  .cta_text {
    color: white;
  }
  .cta_title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.4;
  }
  .cta_subtitle1 {
    font-size: 27px;
    font-weight: 400;
    line-height: 1.4;
    padding-bottom: 50px;
  }
  .cta_subtitle {
    font-size: 45px;
    font-weight: 800;
    opacity: 0.95;
    line-height: 1.6;
  }
  /* CTA 버튼 */
  .cta_button {
    display: flex;
    flex-direction: row;
    position: static;
    background: linear-gradient(135deg, #1e5bb8 0%, #2871d4 100%);
    color: white;
    padding: 20px 40px;
    text-decoration: none;
    transition: all 0.3s ease;
    min-width: 600px;
    border-radius: 20px;
    height: 110px;
    justify-content: space-between;
    align-items: center;
  }
  .cta_button:hover {
    background: linear-gradient(135deg, #1a4d9e 0%, #2366c2 100%);
  }
  .cta_button:hover .top_banner_arrow {
    transform: translateX(5px);
  }
  .cta_button:active {
    transform: translateY(0);
  }
  .button_text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.4;
    font-size: 30px;
  }
  .button_main {
    font-size: 30px;
    font-weight: 600;
  }
  .button_sub {
    font-size: 0.95rem;
    font-weight: 400;
    opacity: 0.9;
  }
  .button_arrow {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
  }
  .sub2-1 .main_cta {
    margin-bottom: 200px;
  }
  .sub2-2 .download_container {
    width: 100%;
  }
  .sub2-2 .download_item .inner {
    max-width: 680px;
    margin: 0 auto;
    padding-top: 120px;
    padding-bottom: 85px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }
  .sub2-2 .right {
    max-width: 1200px;
  }
  .sub2-2 .item_title {
    display: flex;
    flex-direction: column;
    justify-content: start;
    align-items: flex-start;
    text-align: center;
    gap: 8px;
  }
  .sub2-2 .title_main {
    font-size: 63px;
    font-weight: 700;
    color: #212529;
    text-align: left;
  }
  .sub2-2 .item_preview {
    background: transparent;
    min-height: 490px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
  }
  .sub2-2 .youtube_iframe {
    width: 680px;
    height: 344px;
    max-width: 100%;
  }
  .sub2-2 .preview_placeholder {
    opacity: 0.7;
  }
  .sub2-2 .item_actions {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 1fr;
    row-gap: 25px;
    margin-top: 25px;
  }
  .sub2-2 .action_button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 18px 30px;
    background: #2871d4;
    color: white;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    height: 110px;
    border-radius: 20px;
  }
  .sub2-2 .action_button:first-child {
    border-right: 1px solid rgba(255, 255, 255, 0.2);
  }
  .sub2-2 .action_button:hover {
    background: #2366c2;
  }
  .sub2-2 .action_button:hover .button_arrow {
    transform: translateX(3px);
  }
  .sub2-2 .action_button:active {
    transform: scale(0.98);
  }
  .sub2-2 .action_button:last-child {
    background: #003e8c;
  }
  .sub2-2 .action_button:last-child:hover {
    background: #132f57;
  }
  .sub2-2 .button_text {
    font-size: 30px;
  }
  .sub2-2 .button_arrow {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
  }
  .sub2-2 .main_cta {
    margin-top: 170px;
    margin-bottom: 200px;
  }
  .sub3-1 .cta_content {
    height: 569px;
  }
  .sub3-1 .main_cta {
    background: url(../img/sub3-1banner.jpg) no-repeat;
  }
  .sub4-1 .cta_content {
    height: 569px;
  }
  .sub4-1 .main_cta {
    background: url(../img/sub4-1banner.jpg) no-repeat;
  }
  .sub5-1 .cta_content,
  .sub5-2 .cta_content {
    height: 569px;
  }
  .sub5-1 .main_cta,
  .sub5-2 .main_cta {
    background: url(../img/sub5-1banner.jpg) no-repeat;
    margin-top: 110px;
  }
  .sub6-1 .cta_content {
    height: 100%;
    padding: 50px 40px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: self-start;
    gap: 40px;
    flex-direction: column;
  }
  .sub6-1 .sub6-1first {
    background: url(../img/mobile/sub6-1fi.jpg) no-repeat;
    height: 1720px;
    color: #fff;
    padding-top: 210px;
  }
  .sub6-1 .sub6-1first .inner {
    width: 680px !important;
    margin: 0 auto;
  }
  .sub6-1 .sub6-1first .sub6_sm_txt {
    font-size: 30px;
  }
  .sub6-1 .sub6-1first .sub6_lg_txt {
    font-size: 50px;
    font-weight: 600;
    line-height: 1.4;
    padding: 40px 0;
  }
  .sub6-1 .sub6-1first .sub6_ssm_txt {
    font-size: 33px;
    line-height: 1.4;
  }
  .sub6-1 .subpage {
    margin-top: 0;
  }
  .sub6-1 .cta_text {
    flex: 0;
  }
  .sub6-1 .subpage2 {
    background: #f2f2f2;
  }
  .sub6-1 .cta_button {
    row-gap: 15px;
  }
  .sub6-1 .cta_content {
    height: 100%;
  }
  .sub6-1 .main_cta {
    max-width: 1460px;
    background: url(../img/sub6-1banner.jpg) no-repeat;
    margin-top: 110px;
    margin-bottom: 210px;
    height: 672px;
  }
  .sub6-1 .main_cta .cta_subtitle {
    font-size: 43px;
  }
  .sub6-1 .main_cta .cta_subtitle em {
    font-size: 17px;
    font-weight: 400;
  }
  .sub6-1 .flex_box {
    max-width: 1460px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    flex-direction: column;
  }
  .sub6-1 .flex_box .left {
    width: 610px;
  }
  .sub6-1 .main_cta2 {
    background: url(../img/sub2-1banner.jpg) no-repeat;
    margin-top: 0;
    margin-bottom: 210px;
    height: 569px;
    max-width: 680px;
    min-width: 680px;
  }
  .sub6-1 .main_cta3 {
    background: url(../img/sub3-1banner.jpg) no-repeat;
    margin-top: 0;
    margin-bottom: 210px;
    height: 569px;
    max-width: 680px;
    min-width: 680px;
  }
  .sub6-1 .main_cta4 {
    background: url(../img/sub4-1banner.jpg) no-repeat;
    margin-top: 0;
    margin-bottom: 210px;
    height: 569px;
    max-width: 680px;
    min-width: 680px;
  }
  .sub6-1 .main_cta5 {
    background: url(../img/sub5-1banner.jpg) no-repeat;
    margin-top: 0;
    margin-bottom: 210px;
    height: 569px;
    max-width: 680px;
    min-width: 680px;
  }
  .sub6-1 .scroll_box {
    max-width: 720px;
    margin-left: 40px;
    overflow-x: scroll;
  }
  .sub6-1 .scroll_container {
    position: relative;
  }
  .sub6-1 .scroll_hint {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
  }
  .sub6-1 .scroll_hint.show {
    opacity: 1;
  }
  .sub6-1 .scroll_hint.show img {
    animation: slideHint 1.5s ease-in-out 3;
  }
  @keyframes slideHint {
    0%, 100% {
      transform: translateX(0);
    }
    50% {
      transform: translateX(30px);
    }
  }
  .sub7-5 .partner_form_wrap {
    max-width: 1460px;
    margin: 0 auto;
    padding: 60px 80px;
    background: #fff;
  }
  .sub7-5 .partner_form_wrap .form_title {
    text-align: center;
    font-size: 30px;
    margin-bottom: 50px;
    color: #000;
    font-weight: 600;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_section {
    display: flex;
    flex-direction: column;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_section + .form_section {
    margin-top: 135px;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_section .section_title {
    font-size: 46px;
    font-weight: 600;
    margin-bottom: 70px;
    color: #000;
    min-width: 260px;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_section .flex_box {
    width: 100%;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_group {
    margin-bottom: 55px;
    display: flex;
    flex-direction: column;
    row-gap: 20px;
    width: 100%;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_group input::-moz-placeholder {
    color: #666;
    font-size: 14px;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_group input::placeholder {
    color: #666;
    font-size: 14px;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_group .form_label {
    display: inline-block;
    font-size: 30px;
    color: #666;
    margin-bottom: 8px;
    min-width: 140px;
    text-align: start;
    margin-right: 60px;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_group .form_label .required {
    color: #666;
    margin-left: 2px;
    background-image: none !important;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_group .form_input,
  .sub7-5 .partner_form_wrap .partner_form .form_group .form_textarea {
    width: 100%;
    padding: 12px 20px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 24px;
    font-family: inherit;
    transition: border-color 0.3s;
    height: 80px;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_group .form_input:focus,
  .sub7-5 .partner_form_wrap .partner_form .form_group .form_textarea:focus {
    outline: none;
    border-color: #0066cc;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_group .form_textarea {
    min-height: 320px;
    resize: vertical;
    font-size: 24px;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_group .radio_group {
    display: flex;
    gap: 40px;
    align-items: center;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_group .radio_group .radio_label {
    font-size: 32px;
    color: #888;
    position: relative;
    padding-left: 28px;
    cursor: pointer;
    display: flex;
    align-items: center;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_group .radio_group .radio_label input {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_group .radio_group .radio_label span {
    position: relative;
    z-index: 2;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_group .radio_group .radio_label span::before {
    content: "";
    width: 16px;
    height: 16px;
    border: 2px solid #bfbfbf;
    border-radius: 3px;
    position: absolute;
    left: -28px;
    top: 50%;
    transform: translateY(-50%);
    box-sizing: border-box;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_group .radio_group .radio_label span::after {
    content: "";
    width: 8px;
    height: 8px;
    background: #bfbfbf;
    position: absolute;
    left: -24px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_group .radio_group .radio_label input:checked + span::after {
    opacity: 1;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_group .file_upload_group {
    display: flex;
    gap: 10px;
    align-items: center;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_group .file_upload_group .file_input {
    display: none;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_group .file_upload_group .file_label {
    padding: 10px 20px;
    background-color: #ffffff;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    font-size: 27px;
    color: #666;
    transition: background-color 0.3s;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_group .file_upload_group .file_label:hover {
    background-color: #f0f0f0;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_group .file_upload_group .file_info {
    font-size: 24px;
    color: #999;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_group .help_text {
    font-size: 12px;
    color: #999;
    margin-top: 6px;
  }
  .sub7-5 .partner_form_wrap .partner_form .form_group .address_group {
    font-size: 13px;
    color: #999;
    margin-bottom: 5px;
  }
  .sub7-5 .partner_form_wrap .partner_form .button_group {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 50px;
  }
  .sub7-5 .partner_form_wrap .partner_form .button_group .btn {
    font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif !important;
    padding: 0px 20px;
    border: none;
    border-radius: 4px;
    font-size: 26px;
    cursor: pointer;
    transition: all 0.3s;
    height: 70px;
    width: 160px;
  }
  .sub7-5 .partner_form_wrap .partner_form .button_group .btn.btn_primary {
    background-color: #0052a3;
    color: white;
  }
  .sub7-5 .partner_form_wrap .partner_form .button_group .btn.btn_primary:hover {
    background-color: #003d7a;
  }
  .sub7-5 .partner_form_wrap .partner_form .button_group .btn.btn_secondary {
    background-color: white;
    color: #666;
    border: 1px solid #ddd;
  }
  .sub7-5 .partner_form_wrap .partner_form .button_group .btn.btn_secondary:hover {
    background-color: #f8f9fa;
  }
  .container {
    width: 100%;
  }
  .container .section_box {
    display: flex;
    height: auto;
    padding-top: 172px;
    padding-bottom: 160px;
  }
  .container .section_box + .section_box {
    border-top: 1px solid #e6e6e6;
  }
  .container .section_box:first-child {
    padding-top: 0;
  }
  .container .section_box .check_ul {
    display: flex;
    flex-wrap: wrap;
    row-gap: 26px;
    justify-content: space-between;
  }
  .container .section_box .check_ul li {
    font-size: 22px;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 31px 21px;
    background: #f5f5f5;
    border-radius: 10px;
    min-width: 488px;
    height: 82px;
  }
  .container .section_box .row {
    display: flex;
    width: 100%;
  }
  .container .section_box .row .txt {
    display: flex;
    flex-direction: column;
    row-gap: 30px;
  }
  .container .section_box .row .txt em {
    font-size: 18px;
    color: #024097;
  }
  .container .section_box .row .sub_md_txt {
    width: 400px;
    flex-shrink: 0;
    position: sticky;
    top: 100px;
    align-self: flex-start;
    font-size: 48px;
    background: white;
  }
  .container .section_box .row .content {
    flex: 1; /* 오른쪽 영역 */
  }
  .container .section_box .row .content .sub_sm_txt {
    line-height: 1.6;
    padding-bottom: 87px;
  }
  .container .section_box .card_wrap {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
    /* 번호 */
    /* 텍스트 */
  }
  .container .section_box .card_wrap.card2 .custom-card {
    width: 488px;
  }
  .container .section_box .card_wrap .custom-card {
    position: relative;
    width: 308px;
    height: 168px;
    padding: 36px 30px 43px 36px;
    background: #fff;
    border-radius: 12px;
    border: 2px solid #e5e5e5;
    border-top-left-radius: 50px;
    transition: all 0.3s ease;
  }
  .container .section_box .card_wrap .custom-card::before {
    position: absolute;
    content: "";
    background: url(../img/line_blue.png) no-repeat;
    width: 55px;
    height: 55px;
    left: -2px;
    top: -2px;
    z-index: 99;
  }
  .container .section_box .card_wrap .custom-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  }
  .container .section_box .card_wrap .card-number {
    position: relative;
    color: #004098;
    font-size: 21px;
    margin-bottom: 24px;
  }
  .container .section_box .card_wrap em {
    font-size: 27px;
    padding-bottom: 25px;
    display: inline-block;
  }
  .container .section_box .card_wrap .card-text {
    position: relative;
    font-size: 20px;
    color: #5a5a5a;
    line-height: 1.5;
  }
  .container .section_box .card_wrap.auto_card .custom-card {
    height: 279px;
  }
  .container .section_box .card_wrap.auto_card .custom-card .card-number {
    font-weight: 500;
    margin-bottom: 17px;
  }
  .container .section_box .card_wrap.auto_card .custom-card:last-child {
    width: 65%;
  }
  .container .section_box.sec7last ul {
    display: flex;
    flex-wrap: wrap;
    row-gap: 35px;
    -moz-column-gap: 35px;
         column-gap: 35px;
  }
  .container .section_box.sec5last ul li + li {
    padding-top: 80px;
  }
  .main_ban_title2 {
    padding: 167px 0 120px;
    background: #f2f2f2;
  }
  .main_ban_title2 p {
    text-align: start;
    font-size: 63px;
    font-weight: 600;
    line-height: 1.4;
  }
  .sub_footer {
    margin-top: 240px;
    background-size: cover;
    width: 100%;
    height: 787px;
    text-align: center;
    color: #fff;
  }
  .sub_footer .footer_lg_txt {
    font-size: 38px;
    padding-top: 140px;
    line-height: 1.5;
  }
  .sub_footer ul {
    padding-top: 130px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 123px;
  }
  .gradient {
    font-size: 38px;
    font-weight: bold;
    margin: 20px 0;
    text-align: center;
    background: linear-gradient(180deg, #ffffff 0%, #89adff 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .qna-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
  }
  .qna-tabs {
    display: flex;
    border-bottom: 2px solid #ddd;
    margin-bottom: 40px;
  }
  .qna-tab {
    flex: 1;
    padding: 15px 20px;
    text-align: center;
    background: white;
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    color: #666;
    transition: all 0.3s;
    white-space: pre-line;
  }
  .qna-tab:hover {
    background: #f8f9fa;
  }
  .qna-tab.active {
    background: #0066cc;
    color: white;
    border-bottom: 4px solid #0066cc;
  }
  .qna-list {
    margin-bottom: 40px;
  }
  .qna-item {
    border-bottom: 1px solid #e0e0e0;
  }
  .qna-question {
    width: 100%;
    padding: 20px;
    background: white;
    border: none;
    cursor: pointer;
    text-align: left;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background 0.3s;
  }
  .qna-question:hover {
    background: #f8f9fa;
  }
  .qna-question-content {
    display: flex;
    align-items: center;
    gap: 15px;
  }
  .qna-q-icon {
    color: #0066cc;
    font-weight: bold;
    font-size: 18px;
  }
  .qna-question-text {
    font-weight: 500;
    color: #333;
  }
  .qna-arrow {
    color: #999;
    font-size: 20px;
  }
  .qna-answer {
    display: none;
    background: #e3f2fd;
    padding: 30px 20px;
    margin-bottom: 10px;
  }
  .qna-answer.active {
    display: block;
  }
  .qna-answer-content {
    display: flex;
    gap: 15px;
  }
  .qna-a-icon {
    color: #0066cc;
    font-weight: bold;
    font-size: 18px;
  }
  .qna-answer-text {
    color: #555;
    line-height: 1.6;
  }
  .qna-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 5px;
    margin-bottom: 40px;
  }
  .qna-page-btn {
    padding: 8px 12px;
    border: none;
    background: white;
    color: #666;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s;
  }
  .qna-page-btn:hover {
    color: #0066cc;
  }
  .qna-page-btn.active {
    background: #0066cc;
    color: white;
    font-weight: bold;
  }
  .qna-search-box {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 8px;
  }
  .qna-search-label {
    font-weight: 500;
    color: #333;
  }
  .qna-search-input {
    width: 400px;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
  }
  .qna-search-input:focus {
    outline: none;
    border-color: #0066cc;
  }
  .qna-search-btn {
    padding: 10px 30px;
    background: #0066cc;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.3s;
  }
  .qna-search-btn:hover {
    background: #0052a3;
  }
  .empty-message {
    text-align: center;
    padding: 60px 20px;
    color: #999;
  }
  .service_cards_btn {
    width: 56px;
    height: 56px;
    border: none;
    background: transparent;
  }
  .service_cards_btn i {
    font-size: 23px;
  }
  .main_ban_title2 .scm {
    width: 680px;
  }
}/*# sourceMappingURL=style.css.map */