@import url('https://cdn.jsdelivr.net/gh/fonts-archive/Paperlogy/Paperlogy.css');
@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.min.css");
@font-face {
  font-family: 'Noto Sans KR';
  font-style: normal;
  font-weight: 100;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/notosanskr/v38/PbyxFmXiEBPT4ITbgNA5Cgms3VYcOA-vvnIzzuozeLQ.ttf) format('truetype');
}
@font-face {
  font-family: 'Noto Sans KR';
  font-style: normal;
  font-weight: 200;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/notosanskr/v38/PbyxFmXiEBPT4ITbgNA5Cgms3VYcOA-vvnIzzmoyeLQ.ttf) format('truetype');
}
@font-face {
  font-family: 'Noto Sans KR';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/notosanskr/v38/PbyxFmXiEBPT4ITbgNA5Cgms3VYcOA-vvnIzzrQyeLQ.ttf) format('truetype');
}
@font-face {
  font-family: 'Noto Sans KR';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/notosanskr/v38/PbyxFmXiEBPT4ITbgNA5Cgms3VYcOA-vvnIzzuoyeLQ.ttf) format('truetype');
}
@font-face {
  font-family: 'Noto Sans KR';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/notosanskr/v38/PbyxFmXiEBPT4ITbgNA5Cgms3VYcOA-vvnIzztgyeLQ.ttf) format('truetype');
}
@font-face {
  font-family: 'Noto Sans KR';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/notosanskr/v38/PbyxFmXiEBPT4ITbgNA5Cgms3VYcOA-vvnIzzjQ1eLQ.ttf) format('truetype');
}
@font-face {
  font-family: 'Noto Sans KR';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/notosanskr/v38/PbyxFmXiEBPT4ITbgNA5Cgms3VYcOA-vvnIzzg01eLQ.ttf) format('truetype');
}
@font-face {
  font-family: 'Noto Sans KR';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/notosanskr/v38/PbyxFmXiEBPT4ITbgNA5Cgms3VYcOA-vvnIzzmo1eLQ.ttf) format('truetype');
}
@font-face {
  font-family: 'Noto Sans KR';
  font-style: normal;
  font-weight: 900;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/notosanskr/v38/PbyxFmXiEBPT4ITbgNA5Cgms3VYcOA-vvnIzzkM1eLQ.ttf) format('truetype');
}
* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  word-break: keep-all;
}
img {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border: none;
  user-select: none;
}
body {
  font-family: "Pretendard Variable", sans-serif;
}
a:hover {
  text-decoration-line: none;
}
p,
h3 {
  margin: 0;
  padding: 0;
}
#special-event {
  position: relative;
}
.w1900 {
  max-width: 1920px;
  width: 100%;
  margin: 0 auto;
  position: relative;
  text-align: center;
}
.w1600 {
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
  position: relative;
  text-align: center;
}
.block-img {
  display: block;
  margin: 0 auto;
  width: 100%;
  pointer-events: none;
}
.section-1 {
  position: relative;
  font-size: 0;
  overflow: hidden;
  background-color: #343536;
}
.section-1 .s1-logo {
  position: absolute;
  max-width: 160px;
  width: 8.4%;
  top: 8%;
  left: 0;
  right: 0;
  margin: 0 auto;
}
.section-1 .s1-title {
  position: absolute;
  max-width: 709px;
  width: 38%;
  top: 15.2%;
  left: 0;
  right: 0;
  margin: 0 auto;
  z-index: 1001;
  opacity: 0;
  animation: title-1 0.7s forwards;
  animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
  animation-delay: 0.3s;
}
.section-1 .s1-teacher {
  position: absolute;
  max-width: 549px;
  width: 28.6%;
  bottom: -10%;
  z-index: 1001;
  left: 0;
  right: 0;
  margin: 0 auto;
}
.section-1 .s1-btn {
  position: absolute;
  top: 32%;
  left: 0;
  right: 0;
  margin: 0 auto;
  max-width: 370px;
  width: 19.2%;
  opacity: 0;
  animation: s1-btn 0.8s forwards;
  animation-timing-function: cubic-bezier(0.33, 1, 0.68, 1);
  animation-delay: 0.9s;
}
.section-1 .s1-career {
  position: absolute;
  max-width: 230px;
  width: 12%;
  top: 51.3%;
  right: 32.5%;
  margin: 0 auto;
  opacity: 0;
  animation: career 0.6s forwards;
  animation-timing-function: cubic-bezier(0.33, 1, 0.68, 1);
  animation-delay: 1.4s;
}
@keyframes title-1 {
  0% {
    transform: translateY(25px);
    opacity: 0;
  }
  100% {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}
@keyframes s1-btn {
  0% {
    transform: translateY(0px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}
@keyframes teacher {
  0% {
    transform: translateY(25px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}
@keyframes career {
  0% {
    transform: translateX(25px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}
.section-2 {
  position: relative;
  font-size: 0;
  overflow: hidden;
  background-color: #17191B;
}
.section-3 {
  position: relative;
  font-size: 0;
  overflow: hidden;
  background-color: #2A2D2E;
  padding: 85px 0 300px;
}
.section-3 .s3-title {
  max-width: 376px;
  width: 20%;
}
.section-3 .slide-container {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}
.section-3 .swiper-point {
  position: relative;
  width: 100%;
  max-width: 801px;
  padding: 40px 0;
}
.section-3 .swiper-point .swiper-wrapper {
  align-items: center;
  max-width: 872px;
}
.section-3 .swiper-point .swiper-slide {
  width: 518px;
  display: flex;
  justify-content: center;
  will-change: transform;
  transform: translateZ(0);
}
@media (max-width: 601px) {
  .section-3 .swiper-point .swiper-slide {
    width: 80%;
  }
}
.section-3 .swiper-point .swiper-slide img {
  display: block;
  width: 100%;
  border-radius: 18px;
  transition: transform 0.35s ease, opacity 0.35s ease, box-shadow 0.35s ease;
  transform-origin: center center;
  filter: brightness(0.8);
  transition: filter 0.3s ease, transform 0.3s ease;
  transform: scale(0.95);
}
.section-3 .swiper-point .swiper-slide.swiper-slide-active {
  z-index: 3;
}
.section-3 .swiper-point .swiper-slide.swiper-slide-active img {
  filter: brightness(1);
  transform: translateY(0) scale(1);
}
.section-3 .swiper-point .swiper-slide.swiper-slide-prev,
.section-3 .swiper-point .swiper-slide.swiper-slide-next {
  z-index: 2;
}
.section-3 .swiper-point .swiper-slide.swiper-slide-prev img,
.section-3 .swiper-point .swiper-slide.swiper-slide-next img {
  transform: scale(0.95);
}
.section-4 {
  position: relative;
  font-size: 0;
  overflow: hidden;
  background: #374147;
}
.section-5 {
  position: relative;
  font-size: 0;
  overflow: hidden;
  background: #212325;
}
.section-5 .s5-s1-img,
.section-5 .s5-s2-img,
.section-5 .s5-s3-img,
.section-5 .s5-s4-img {
  position: absolute;
  max-width: 466px;
  width: 24.3%;
}
.section-5 .s5-s1-text,
.section-5 .s5-s2-text,
.section-5 .s5-s3-text,
.section-5 .s5-s4-text {
  position: absolute;
}
.section-5 .s5-s1-img {
  top: 22.8%;
  right: 52%;
  transform: translate3d(0, 20px, 0);
}
.section-5 .s5-s1-text {
  width: 12.5%;
  top: 22.8%;
  left: 52%;
  max-width: 240px;
  transform: translate3d(20px, 0, 0);
}
.section-5 .s5-s2-img {
  top: 40.8%;
  left: 52%;
  transform: translate3d(0, 20px, 0);
}
.section-5 .s5-s2-text {
  width: 12.5%;
  top: 40.8%;
  right: 52%;
  max-width: 240px;
  transform: translate3d(-20px, 0, 0);
}
.section-5 .s5-s3-img {
  top: 59.3%;
  right: 52%;
  transform: translate3d(0, 20px, 0);
}
.section-5 .s5-s3-text {
  width: 17%;
  top: 59.3%;
  left: 52%;
  max-width: 325px;
  transform: translate3d(20px, 0, 0);
}
.section-5 .s5-s4-img {
  top: 77.3%;
  left: 52%;
  transform: translate3d(0, 20px, 0);
}
.section-5 .s5-s4-text {
  width: 17%;
  top: 77.3%;
  right: 52%;
  max-width: 323px;
  transform: translate3d(-20px, 0, 0);
}
.section-6 {
  position: relative;
  font-size: 0;
  overflow: hidden;
  background: #17191B;
}
.section-6 .s6-books {
  position: absolute;
  max-width: 1389px;
  width: 72.4%;
  top: 40.5%;
  left: 0;
  right: 0;
  margin: 0 auto;
  z-index: 1001;
  transition-timing-function: cubic-bezier(0.33, 1, 0.68, 1) !important;
  transform: translate3d(0, 50px, 0) scale(0.9);
}
.section-7 {
  position: relative;
  font-size: 0;
  overflow: hidden;
  background: #232527;
}
.section-7 .s7-btn {
  font-size: 0;
  position: absolute;
  top: 71%;
  left: 0;
  right: 0;
  margin: 0 auto;
  max-width: 283px;
  width: 15%;
}
.tab-wrap {
  border-radius: 10px;
  overflow: hidden;
  max-width: 1024px;
  width: 70.5%;
  margin: 0 auto;
}
.tab-wrap .tab-list {
  display: flex;
  margin: 0;
  padding: 0;
  list-style: none;
  gap: 18px;
  margin-bottom: 20px;
}
.tab-wrap .tab-btn {
  flex: 1 1 25%;
  position: relative;
  width: 100%;
  padding-top: 21.2%;
  line-height: 1;
  color: #A6A6A6;
  cursor: pointer;
  user-select: none;
  transition: background 0.2s ease;
}
.tab-wrap .tab-btn .top {
  display: block;
  text-align: center;
  margin-bottom: 5px;
  font-size: 24px;
}
.tab-wrap [data-tab="tab1"] {
  background-image: url(../img/tab-1-off.png);
  background-size: 100%;
  background-repeat: no-repeat;
}
.tab-wrap [data-tab="tab1"].active-tab {
  background-image: url(../img/tab-1-on.png);
}
.tab-wrap [data-tab="tab2"] {
  background-image: url(../img/tab-2-off.png);
  background-size: 100%;
  background-repeat: no-repeat;
}
.tab-wrap [data-tab="tab2"].active-tab {
  background-image: url(../img/tab-2-on.png);
}
/* 전체 슬라이더 영역 */
.tab1-swiper {
  position: relative;
  margin: 0 auto;
  text-align: center;
}
.tab1-swiper .swiper-button-disabled {
  display: none !important;
}
.tab2-swiper {
  position: relative;
  margin: 0 auto;
  text-align: center;
}
.tab2-swiper .swiper-button-disabled {
  display: none !important;
}
/* 🔸 커스텀 화살표 공통 */
.custom-prev,
.custom-next {
  position: absolute;
  top: 55%;
  width: 70px;
  height: 70px;
  transform: translateY(-50%);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  cursor: pointer;
  z-index: 10;
}
.custom-prev:after,
.custom-next:after {
  display: none;
}
/* 왼쪽/오른쪽 각각 이미지 지정 */
.custom-prev {
  left: 10px;
  background-image: url('../img/prev.png');
  /* ← 이미지 경로 수정 */
}
.custom-next {
  right: 10px;
  background-image: url('../img/next.png');
  /* → 이미지 경로 수정 */
}
/* 버튼 hover 시 약간 투명도 변화 */
.custom-prev:hover,
.custom-next:hover {
  opacity: 0.8;
}
.tab-content {
  width: 100%;
  max-width: 830px;
  /* 원하는 최대 너비 */
  margin: 0 auto;
  padding: 0 15px;
  display: none;
}
/* active 클래스가 붙으면 보임 */
.tab-content.active {
  display: block;
  animation: fadeIn 1s cubic-bezier(0.25, 1, 0.5, 1);
  /* 부드럽게 나타나는 효과 (선택사항) */
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
[class*="swiper-1-"],
[class*="swiper-2-"] {
  width: 100%;
  height: 100%;
}
[class*="swiper-1-"] .swiper-slide,
[class*="swiper-2-"] .swiper-slide {
  text-align: center;
  font-size: 18px;
  display: flex;
  justify-content: center;
  align-items: center;
  background-size: cover;
  background-position: center;
  border-radius: 10px;
}
[class*="swiper-1-"] .swiper-slide img,
[class*="swiper-2-"] .swiper-slide img {
  display: block;
  width: 100%;
  height: 120%;
  object-fit: cover;
  border-radius: 8px;
}
/* 메인 슬라이드 (상단) */
[class*="swiper-1-"] {
  width: 100%;
}
/* 썸네일 슬라이드 (하단) */
[class*="swiper-2-"] {
  height: 110px;
  /* 썸네일 영역 높이 */
  box-sizing: border-box;
  padding: 10px 0;
  margin: 10px 0;
}
/* 썸네일 개별 스타일 */
[class*="swiper-2-"] .swiper-slide {
  width: 25%;
  max-width: 140px;
  height: 100%;
  opacity: 0.4;
  cursor: pointer;
  transition: opacity 0.3s;
}
/* 활성화된 썸네일 스타일 */
[class*="swiper-2-"] .swiper-slide-thumb-active {
  opacity: 1;
  border-radius: 5px;
  box-sizing: border-box;
}
.video-btn {
  position: absolute;
  font-size: 0;
  top: 29.5%;
  left: 0;
  right: 0;
  width: 53.3%;
  height: 59%;
  max-width: 1295px;
  margin: 0 auto;
  cursor: pointer;
}
/* 팝업 커리큘럼 영상 */
.popup {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 95%;
  max-width: 1000px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
  border: 2px solid #ffffff;
  z-index: 1000;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
/* 팝업이 활성화되었을 때 적용할 클래스 */
.popup.show {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}
.popup .video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  /* 16:9 비율 */
  height: 0;
}
.popup .video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.popup-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 999;
}
.tab-preload {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
  background: url(../img/tab-1-on.png) no-repeat, url(../img/tab-1-off.png) no-repeat, url(../img/tab-2-on.png) no-repeat, url(../img/tab-2-off.png) no-repeat;
}
@media (max-width: 992px) {
  .section-1 .s1-logo {
    width: 15%;
    top: 6%;
  }
  .section-1 .s1-title {
    width: 80%;
    top: 14%;
  }
  .section-1 .s1-btn {
    width: 35%;
    top: 33%;
  }
  .section-1 .s1-teacher {
    width: 45%;
    bottom: -10%;
  }
  .section-1 .s1-career {
    width: 23%;
    right: 17%;
  }
  .section-1 .block-img {
    width: 160%;
    margin-left: -30%;
  }
  .section-2 .block-img {
    width: 180%;
    margin-left: -40%;
  }
  .section-3 {
    padding: 10% 0 15%;
  }
  .section-3 .block-img {
    width: 200%;
    margin-left: -50%;
  }
  .section-3 .s3-title {
    width: 40%;
  }
  .section-3 .item-wrap img {
    width: 18%;
    transform: translate3d(0, 30px, 0);
    margin-right: 1.5%;
  }
  .section-4 .block-img {
    width: 200%;
    margin-left: -50%;
  }
  .section-4 .s4-title {
    width: 80%;
    margin: 0 auto 6%;
  }
  .section-5 .block-img {
    width: 200%;
    margin-left: -50%;
  }
  .section-5 .s5-s1-img,
  .section-5 .s5-s2-img,
  .section-5 .s5-s3-img,
  .section-5 .s5-s4-img {
    position: absolute;
    max-width: 466px;
    width: 45%;
  }
  .section-5 .s5-s1-img {
    top: 22.8%;
    right: 52%;
  }
  .section-5 .s5-s1-text {
    width: 24%;
    top: 22.8%;
    left: 52%;
  }
  .section-5 .s5-s2-img {
    top: 40.8%;
    left: 52%;
  }
  .section-5 .s5-s2-text {
    width: 24%;
    top: 40.8%;
    right: 52%;
  }
  .section-5 .s5-s3-img {
    top: 59.3%;
    right: 52%;
  }
  .section-5 .s5-s3-text {
    width: 34%;
    top: 59.3%;
    left: 52%;
  }
  .section-5 .s5-s4-img {
    top: 77.3%;
    left: 52%;
  }
  .section-5 .s5-s4-text {
    width: 34%;
    top: 77.3%;
    right: 52%;
  }
  .section-6 .block-img {
    width: 160%;
    margin-left: -30%;
  }
  .section-6 .s6-books {
    width: 95%;
    top: 40.5%;
  }
  .section-7 .block-img {
    max-width: 1920px;
    width: 200%;
    margin-left: -50%;
  }
  .section-7 .s7-btn {
    width: 28.3%;
  }
  .video-btn {
    width: 95%;
  }
  .custom-prev,
  .custom-next {
    top: 55%;
    width: 50px;
    height: 50px;
  }
}
@media (max-width: 480px) {
  .section-7 .block-img {
    width: 240%;
    margin-left: -70%;
  }
  .custom-prev,
  .custom-next {
    top: 55%;
    width: 30px;
    height: 30px;
  }
  .custom-prev:after,
  .custom-next:after {
    display: none;
  }
}