@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css");

html {
  font-size: 10px;
}

body {
  margin: 0;
}

* {
  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;
  box-sizing: border-box;
  color: #303030;
  /* caret-color: transparent; */
}
p {
  margin: 0;
}
p,
ul,
div {
  caret-color: transparent;
}
button {
  cursor: pointer;
}
input,
textarea {
  caret-color: auto;
}
header {
  padding: 3.1rem 10.7rem 3.6rem 10rem;
  width: 100%;
  display: flex;
  flex-direction: column;
}
header .top {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  margin-bottom: 3.1rem;
  align-items: end;
}
header .top .logo {
  font-size: 0;
}
header .top .logo img {
  width: 10rem;
}
header .top a {
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  color: #121a1b;
}
button.mobile-menu-btn {
  display: none;
}
button.mobile-close-btn {
  display: none;
}
a.sitemap-btn.mobile {
  display: none;
}
header nav {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: end;
  z-index: 999;
}
header nav ul {
  display: flex;
  list-style: none;
  width: 50%;
  font-size: 3.7rem;
  font-weight: 700;
  margin: 0;
  padding: 0;
  justify-content: space-between;
}
header nav ul li a {
  text-decoration: none;
  color: #1c1c1c;
}
header nav a.nav-big {
  font-size: 5.1rem;
  font-weight: 900;
  text-decoration: none;
  color: #0067ce;
}

header .search-box {
  display: flex;
  align-items: end;
}
header .search-box input {
  border: none;
  border-bottom: 2px solid #121a1b;
  text-align: center;
  width: 23.6rem;
  height: 2.6rem;
  font-size: 14px;
  color: #2d2d2d;
  padding-bottom: 0.6rem;
  padding-top: 0.6rem;
}
header .search-box input::placeholder {
  color: #929292;
}
header .search-box button {
  border: none;
  background-color: transparent;
  margin-left: -0.8rem;
}
header .search-box button img {
  width: 3.3rem;
}
section {
  max-width: 100%;
}
section.s1 {
  background-color: #f0f4f7;
  padding: 5.1rem 10.7rem 5.1rem 10rem;
  display: flex;
  gap: 3.7rem;
}

section.s1 .left .slider-wrapper {
  max-width: 124.5rem;
  border-radius: 3.3rem;
  overflow: hidden;
  position: relative;
}
section.s1 .left .slider-wrapper img {
  max-width: 100%;
}
.dot-area {
  width: 25px;
  height: 21px;
  text-align: center;
  align-content: end;
}
section.s1 .left .slider-wrapper button.dot {
  border: 2px solid #fff;

  border: none;
  background-color: #00000073;
  width: 11px;
  height: 11px;
  border-radius: 50px;
  /* aspect-ratio: 1/1; */
  padding: 0;
  margin: 0;
  transition: 0.1s;
}
section.s1 .left .slider-wrapper button.dot.active,
section.s1 .left .slider-wrapper .dot-area:hover button.dot {
  background-color: #0087e2;
  width: 21px;
  height: 21px;
  box-sizing: border-box;
  border: 2px solid #fff;
}
.slide-arrow-box {
  position: absolute;
  top: 44%;
  display: flex;
  justify-content: space-between;
  width: 100%;
  padding: 0 1.5rem;
}
.slide-arrow-box button {
  background-color: transparent;
  border: none;
}
.slide-arrow-box button:hover {
  background-color: transparent;
  border: none;
  filter: brightness(1.5);
}
.slide-arrow-box button img {
  width: 7rem;
  height: 7rem;
}

.slide-dot-box {
  position: absolute;
  bottom: 1.2rem;
  left: 0;
  right: 0;
  justify-content: center;
  display: flex;
  gap: 1.1rem;
  align-items: end;
}
section.s1 .youtube-content {
  display: flex;
  gap: 6.7rem;
  background-color: #fff;
  border-radius: 6.5rem;
  padding-top: 4rem;
  padding-left: 6rem;
  padding-bottom: 5.6rem;
  padding-right: 4.7rem;
  margin-top: 4.5rem;
  max-width: 124.5rem;
}
section.s1 .youtube-content img {
  max-width: 100%;
}
section.s1 .youtube-content .youtube-long {
  max-width: 63.5rem;
}
section.s1 .right {
  background-color: #ffffff;
  width: 42.8rem;
  padding-left: 3.1rem;
  padding-right: 3.1rem;
  border-radius: 5.7rem;
  padding-top: 3.4rem;
  padding-bottom: 5.6rem;
}
section.s1 .right img {
  max-width: 100%;
}

section.s1 .right p.t1 {
  color: #0067ce;
  font-size: 4rem;
  font-weight: 700;
}
section.s1 .right p.t2 {
  color: #0f426d;
  font-size: 5.2rem;
  font-weight: 900;
}
section.s1 .pager-wrapper {
  margin-top: 2rem;
}
section.s1 .pager-wrapper .pager-img,
.xxx1 {
  border-radius: 3.5rem;
  overflow: hidden;
}
section.s1 .pager-nav {
  display: flex;

  align-items: end;
  margin-bottom: 2.9rem;
  justify-content: space-between;
}
section.s1 .pager-nav img {
  width: 21rem;
}
section.s1 .pager-nav .pager {
  display: flex;
  align-items: center;
  gap: 1rem;
}
section.s1 .pager-nav .pager button {
  background-color: transparent;
  border: none;
  padding: 0;
  margin: 0;
}
section.s1 .pager-nav .pager button img {
  width: 2.3rem;
  vertical-align: bottom;
}

section.s1 .pager-nav .pager .pager-num {
  color: #828282;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.2rem;
}
div.hr1 {
  background-color: #c9c9c9;
  height: 2px;
  width: 100%;
  margin-top: 3.6rem;
  margin-bottom: 3.3rem;
}
div.hr2 {
  background-color: #c9c9c9;
  height: 2px;
  width: 100%;
  margin-top: 4.6rem;
  margin-bottom: 4rem;
}
section.s2 {
  background-color: #fff;
  padding: 5.1rem 13.6rem 5.1rem 13.4rem;
  display: flex;
  flex-direction: column;
  position: relative;
  padding-top: 183px;
}
div.title {
  background-color: #0067ce;
  padding-left: 2rem;
  height: 6.2rem;
  width: auto;
  color: #fff;
  font-size: 5rem;
  font-weight: 700;
  border-radius: 0 30px 30px 0;
  width: fit-content;
  padding-right: 4rem;
  align-content: center;
}
div.title .yellow-text {
  color: #ffff97;
}
.bgimg-1 {
  width: 23.1rem;
}
section.s2 .bgimg-2 {
  position: absolute;
  width: 65.1rem;
  top: 6.2rem;
  right: 0;
}
section.s2 .bgimg-3 {
  width: 100%;
}
section.s2 .bgimg-1 img {
  max-width: 100%;
}
section.s2 .bgimg-2 img {
  max-width: 100%;
}
section.s2 .bgimg-3 img {
  max-width: 100%;
}
.process-list {
  display: flex;
  justify-content: space-between;
  margin-top: 5.8rem;
  margin-bottom: 4.6rem;
  gap: 7%;
}
.process-list .process-item {
  flex: 1;
  max-width: 46.7rem;
  width: 26%;
}
.process-list .process-item img {
  width: 100%;
}
section.s3 {
  background-color: #fff;
  padding: 2.6rem 13.6rem 2.8rem 13.4rem;
  display: flex;
  flex-direction: row;
  position: relative;
  padding-top: 183px;
}
section.s3 .bgimg-1 {
  width: 21.9rem;
}
section.s3 .bgimg-1 img {
  width: 100%;
}
section.s3 .bgimg-2 {
  width: 20.3rem;
  height: 6.4rem;
  align-content: end;
}
section.s3 .bgimg-2 img {
  width: 100%;
}
section.s3 .title-box {
  display: flex;
  gap: 3.1rem;
  margin-bottom: 2.95rem;
}
.title-box.space-between {
  justify-content: space-between;
}
.plus-btn img {
  width: 5.9rem;
}

section.s3 .left {
  padding-right: 9.2rem;
  flex: 1;
}

section.s3 .right {
  padding-left: 7.5rem;
  border-left: 1px solid #c9c9c9;
  max-width: 48.9rem;
}

.news-tab {
  display: flex;
  gap: 2.3rem;
  margin-bottom: 2.4rem;
}

.news-tab button {
  font-size: 3rem;
  font-weight: 900;
  border: none;
  background-color: #c9d1d3;
  color: #03447a;
  border-radius: 1.2rem;
  height: 5.7rem;
  width: 16.7rem;
}
.news-tab button.all {
  width: 12.4rem;
}
.news-tab button.active {
  background-color: #0f426d;
  color: #fff;
}

section.s3 .pager-wrapper {
  margin-top: 2rem;
  width: 100%;
}
section.s3 .pager-wrapper .pager-img {
  max-width: 100%;
  border-radius: 3.5rem;
  overflow: hidden;
  background: #f6f7f8;
  padding: 12px;
  border: 1px solid #dcdcdc;
}
section.s3 .pager-wrapper .pager-img a {
  border-radius: 3.5rem;
  overflow: hidden;
  display: block;
}
section.s3 .pager-wrapper .pager-img img,
.xxx2 img {
  width: 100%;
}
.xxx2 {
  border: 1px solid #dcdcdc;
  height: fit-content;
}
section.s3 .pager-nav {
  display: flex;

  align-items: end;
  margin-bottom: 2.9rem;
  justify-content: space-between;
  place-self: center;
}
section.s3 .pager-nav img {
  width: 21rem;
}
section.s3 .pager-nav .pager {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.9rem;
  margin-bottom: 3.7rem;
}
section.s3 .pager-nav .pager button {
  background-color: transparent;
  border: none;
  padding: 0;
  margin: 0;
}
section.s3 .pager-nav .pager button img {
  width: 4.4rem;
  vertical-align: bottom;
}

section.s3 .pager-nav .pager .pager-num {
  color: #828282;
  font-size: 3.6rem;
  font-weight: 700;
  letter-spacing: 0.6rem;
}
.library {
  display: flex;
  flex-direction: column;
}
.news-list {
  display: flex;
  flex-wrap: wrap;
  row-gap: 5.1rem;
  column-gap: 4.1rem;
  justify-content: space-between;
}
.news-list .news-item {
  position: relative;
  padding-left: 1.7rem;
  padding-right: 1.7rem;
  padding-top: 3.5rem;
  box-sizing: border-box;
  width: 47%;
  aspect-ratio: 500/367;
}
.news-list .news-item .bg-news {
  width: 100%;
  position: absolute;
  left: 0;
  top: 0;
}
.news-list .news-item .bg-news img {
  width: 100%;
}
.news-list .news-item .more-btn {
  position: absolute;
  right: 0.7rem;
  top: 0.7rem;
  border: none;
  background-color: transparent;
  width: 3.8rem;
  height: 3.8rem;
  padding: 0;
}
.news-list .news-item .more-btn img {
  width: 100%;
}

.news-list .news-item h1 {
  font-weight: 700;
  font-size: 4rem;
  position: relative;
  margin: 0;
  margin-bottom: 1rem;
}
.news-list .news-item h2 {
  color: #303030;
  position: relative;
  font-size: 2.7rem;
  margin: 0;
  margin-bottom: 1rem;
}
.news-list .news-item:nth-child(1) h1 {
  color: #03447a;
}
.news-list .news-item:nth-child(1) h1 {
  color: #3f1c93;
}
.news-list .news-item:nth-child(1) h1 {
  color: #ff8b00;
}
.news-list .news-item:nth-child(1) h1 {
  color: #047738;
}
.news-list .news-item .news-item-content {
  width: 100%;
}
.news-list .news-item .news-item-content .img-wrapper {
  width: 100%;
  position: relative;
}
.news-list .news-item .news-item-content .img-wrapper img {
  width: 100%;
  position: relative;
}
.text-wrapper {
  position: relative;
  color: #303030;
  font-size: 1.6rem;
  font-weight: 700;
  margin-top: 16px;
}
section.sitemap {
  background-color: #fff;
  padding: 13.3rem 13.6rem 14.3rem 13.4rem;
  display: flex;
  flex-direction: column;
  position: relative;
}
section.sitemap h1 {
  font-size: 5rem;
}
section.sitemap h1.blue {
  color: #0067ce;
}
.hr3 {
  height: 1px;
  background-color: #c9c9c9;
  margin-top: 4.4rem;
  margin-bottom: 4.4rem;
}
.sitemap-list {
  padding-left: 18rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  row-gap: 2.3rem;
}
.sitemap-list .sitemap-item {
  width: 33%;
}
.sitemap-list li {
  list-style: none;
}
.sitemap-list a {
  font-size: 4rem;
  text-decoration: none;
  font-weight: 700;
  color: #03447a;
  white-space: nowrap;
}
.sitemap-list ul a {
  color: #4c4c4c;
  font-size: 3.5rem;
}
.sitemap-list ul ul {
  padding-left: 4.8rem;
  margin-top: 1rem;
  margin-bottom: 2rem;
}
.sitemap-list ul ul a {
  color: #707070;
  font-size: 3rem;
}
.sitemap-list ul li {
  margin-bottom: 1rem;
}
.sitemap-list ul ul li {
  margin-bottom: 1.5rem;
}
.sitemap-list a img {
  width: 2.5rem;
  margin-left: 2rem;
}
.overlay {
  position: fixed; /* 화면에 고정 */
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5); /* 반투명한 검은색 배경 */
  z-index: 998; /* 메뉴(z-index: 999) 바로 아래에 위치 */

  /* 처음에는 숨겨진 상태 */
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
}

/* 'active' 클래스가 추가되면 오버레이를 보이게 함 */
.overlay.active {
  opacity: 1;
  visibility: visible;
}