@charset "UTF-8";
@use "sass:math";
/* =============================================== ==========================
    ## 공통 믹스인 모음
  ================================================= ======================== */
@use 'sass:math';
/* 기준 화면 너비 */
/* pixel을 vw로 변환해주는 함수 */
.lecture-list {
  padding: 40px 0 5rem; }

@media (max-width: 47.99em) {
  .lecture-list {
    padding: 5.56vw 0 5rem; } }

.tab-swiper + .lecture-list {
  padding-top: 0; }

.lecture-list .item {
  margin-bottom: 3rem; }

.lecture-list .item__cont {
  padding: 2.5rem 3rem 1rem;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  border: 1px solid rgba(32, 32, 32, 0.1); }

.lecture-list .item__h {
  margin-top: 0;
  padding-bottom: 1.8rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid rgba(32, 32, 32, 0.1); }

@media (max-width: 59.99em) {
  .lecture-list {
    max-width: 640px;
    margin: auto; } }

@media (min-width: 60em) {
  .lecture-list {
    padding: 40px 0 8rem; }
  .tab-swiper + .lecture-list {
    padding-top: 2rem; }
  .lecture-list .item {
    margin-bottom: 4rem; }
  .lecture-list .item__a {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex; }
  .lecture-list .item__thumb {
    width: 46%; }
  .lecture-list .item__cont {
    padding: 3rem 4rem 0;
    width: 54%; } }

@media (max-width: 1120px) and (min-width: 960px) {
  .lecture-list {
    max-width: 640px;
    margin: auto; }
  .lecture-list .item__a {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column; }
  .lecture-list .item__thumb, .lecture-list .item__cont {
    width: 100%; } }

.lecture-tab {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30; }

.lecture-tab::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: rgba(32, 32, 32, 0.1); }

.lecture-tab__pad {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center; }

.lecture-tab__btns .btn {
  margin-left: 20px; }

.lecture-tab__nav {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex; }

.lecture-tab__nav .item {
  height: 60px;
  margin: 0 15px;
  border: 0;
  background: none;
  position: relative; }

.lecture-tab__nav .item::after {
  content: '';
  opacity: 0;
  position: absolute;
  right: 0;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  margin: auto;
  background-color: #148ce6;
  -webkit-transition: opacity 0.2s ease;
  -o-transition: opacity 0.2s ease;
  transition: opacity 0.2s ease; }

.lecture-tab__nav .item__link {
  display: block;
  padding: 16px 0;
  color: #242A2D;
  font-weight: 400;
  -webkit-transition: color 0.2s ease;
  -o-transition: color 0.2s ease;
  transition: color 0.2s ease; }

.lecture-tab__nav .item__link:hover {
  color: #148ce6; }

.lecture-tab__nav .item.is-current::after {
  opacity: 1; }

.lecture-tab__nav .item.is-current .item__link {
  color: #148ce6; }

@media (max-width: 44.99em) {
  .lecture-tab__btns {
    display: none; } }

@media (min-width: 45em) {
  .lecture-tab__pad {
    margin: 0 46px;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between; }
  .lecture-tab__nav {
    margin-right: -15px; } }

@media (min-width: 60em) {
  .lecture-tab__pad {
    margin: 0 auto;
    max-width: 1060px;
    width: calc(100% - 160px); } }

@media (max-width: 63.99em) {
  .lecture-tab.sticky-tab {
    z-index: 10;
    position: absolute;
    -webkit-transition: none;
    -o-transition: none;
    transition: none; } }

.tab-container {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-flow: column;
          flex-flow: column;
  gap: 40px 0; }

.tab-container .tab-lecture {
  -webkit-box-ordinal-group: 2;
      -ms-flex-order: 1;
          order: 1; }

.tab-container .page-header {
  padding-bottom: 0 !important; }

.tab-lecture {
  margin-bottom: 0; }

.tab-nav {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-column-gap: 10px;
     -moz-column-gap: 10px;
          column-gap: 10px; }

.tab-nav__item {
  border: none;
  -webkit-box-sizing: border-box;
          box-sizing: border-box; }

.tab-nav__item.is-current a {
  background: #148ce6; }

.tab-nav__item.is-current span {
  position: relative;
  color: #fff; }

.tab-nav__link {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  height: 36px;
  padding: 0 22px;
  line-height: 35px;
  border: 1px solid rgba(27, 33, 34, 0.1);
  border-radius: 18px;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  background: none; }

.tab-nav__link span {
  padding-bottom: 1px;
  color: #1b2122;
  font-size: 16px;
  font-weight: 400;
  white-space: nowrap; }

@media (max-width: 63.99em) {
  .tab-container {
    margin-top: 220px;
    gap: 80px 0; }
  .tab-container .tab-lecture {
    position: static; }
  .tab-container .page-header {
    padding: 0 !important;
    -webkit-box-ordinal-group: 3;
        -ms-flex-order: 2;
            order: 2; }
  .tab-lecture {
    position: absolute;
    top: 120px;
    width: 100%; }
  .tab-nav {
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    -webkit-column-gap: 0;
       -moz-column-gap: 0;
            column-gap: 0;
    border-width: 1px 1px 0px 0px; }
  .tab-nav__item {
    width: calc(100% / 3);
    line-height: 77px;
    text-align: center;
    border: 1px solid #ededed;
    border-width: 0px 0px 1px 1px; }
  .tab-nav__item.is-current {
    background: #148ce6; }
  .tab-nav__link {
    width: 100%;
    height: 100%;
    line-height: 77px;
    border-radius: 0;
    border: none;
    background: none; }
  .tab-nav__link span {
    color: #202020;
    font-size: 28px;
    font-weight: 300; } }

@media (max-width: 47.99em) {
  .tab-container {
    margin-top: 30.56vw;
    gap: 11.11vw 0; }
  .tab-lecture {
    top: 16.67vw; }
  .tab-nav__item {
    line-height: 10.69vw; }
  .tab-nav__link {
    padding: 0;
    line-height: 10.69vw; }
  .tab-nav__link span {
    font-size: 3.8vw; } }

@media (max-width: 63.99em) {
  body[data-nav^='3,1'] .tab-container {
    margin-top: 120px;
    /* 내신학습 전용 margin */ } }

@media (max-width: 47.99em) {
  body[data-nav^='3,1'] .tab-container {
    margin-top: 16.67vw;
    /* 내신학습 전용 margin */ } }

.lecture .curriculum-search {
  position: relative;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  max-width: 320px;
  margin: 2.5rem auto 0;
  padding-right: 10rem; }

.lecture .curriculum-search__opt {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  width: 100%; }

.lecture .curriculum-search__opt .dropdown {
  width: 50%; }

.lecture .curriculum-search__opt .dropdown + .dropdown .dropdown-selector {
  margin-left: -1px; }

.lecture .curriculum-search__opt .dropdown.is-opened {
  z-index: 1; }

.lecture .curriculum-search__btn {
  position: absolute;
  top: 0;
  right: 0; }

@media (min-width: 60em) {
  .lecture .curriculum-search {
    max-width: 530px;
    padding-right: 13rem; } }

.lecture .table--board {
  background-color: #FFF;
  margin-bottom: 4rem; }

@media (min-width: 60em) {
  .lecture .table--board tbody th,
  .lecture .table--board tbody td {
    padding-top: 2rem;
    padding-bottom: 2rem; }
  .lecture .table--board tbody .noitem {
    padding: 6rem 0; }
  .lecture .table--board tbody td:nth-child(1), .lecture .table--board tbody td:nth-child(2), .lecture .table--board tbody td:nth-child(3) {
    padding-left: 0;
    padding-right: 0; }
  .lecture .table--board tbody .h,
  .lecture .table--board tbody .desc {
    text-align: center; } }

.lecture .introduction-swiper-wrapper {
  position: relative;
  max-width: 360px;
  margin: auto;
  padding: 3rem 0 1rem;
  border: 10px solid #F5F7F7; }

.lecture .introduction-swiper .swiper-controller {
  position: static; }

.lecture .introduction-swiper .swiper-pagination {
  position: absolute;
  top: 155px;
  left: 0;
  width: 100%; }

.lecture .introduction-swiper .swiper-button-prev, .lecture .introduction-swiper .swiper-button-next {
  top: 55px;
  margin-top: 0; }

.lecture .introduction-swiper .swiper-button-prev {
  left: 1%; }

.lecture .introduction-swiper .swiper-button-next {
  right: 1%; }

.lecture .introduction-swiper .swiper-slide {
  opacity: 1 !important; }

.lecture .introduction-swiper .swiper-slide:first-child .introduction-swiper__img-box > img {
  -webkit-transform: translateX(0%);
      -ms-transform: translateX(0%);
          transform: translateX(0%); }

.lecture .introduction-swiper .swiper-slide:first-child .introduction-swiper__cont {
  opacity: 1; }

.lecture .introduction-swiper__img-box {
  width: 210px;
  margin: 0 auto;
  overflow: hidden; }

.lecture .introduction-swiper__img-box > img {
  -webkit-transform: translateX(-100%);
      -ms-transform: translateX(-100%);
          transform: translateX(-100%); }

.lecture .introduction-swiper__cont {
  width: 250px;
  margin: 6.5rem auto 0;
  background-color: #FFF;
  opacity: 0; }

.lecture .introduction-swiper__desc {
  word-break: break-all; }

@media (min-width: 45em) {
  .lecture .introduction-swiper-wrapper {
    max-width: none;
    padding: 4rem 0 3.5rem; }
  .lecture .introduction-swiper .swiper-controller {
    margin-top: 1.5rem;
    padding: 0 4rem;
    -webkit-box-pack: start;
        -ms-flex-pack: start;
            justify-content: flex-start; }
  .lecture .introduction-swiper .swiper-pagination {
    width: 46%;
    position: static; }
  .lecture .introduction-swiper .swiper-button-prev, .lecture .introduction-swiper .swiper-button-next {
    top: calc(50% - 10px); }
  .lecture .introduction-swiper .swiper-slide {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    padding: 0 4rem; }
  .lecture .introduction-swiper__img-box {
    width: 46%; }
  .lecture .introduction-swiper__cont {
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    width: 54%;
    margin: 0;
    padding-left: 8.4%; }
  .lecture .introduction-swiper__h {
    margin-top: 0; }
  .lecture .introduction-swiper__desc {
    margin-bottom: 0; } }

@media (min-width: 60em) {
  .lecture .introduction-swiper .swiper-button-prev, .lecture .introduction-swiper .swiper-button-next {
    top: auto;
    bottom: 35px; }
  .lecture .introduction-swiper .swiper-button-prev {
    left: calc(46% + 8.4% - 20px); }
  .lecture .introduction-swiper .swiper-button-next {
    right: auto;
    left: calc(46% + 8.4% + 40px); }
  .lecture .introduction-swiper .swiper-slide {
    -webkit-box-align: start;
        -ms-flex-align: start;
            align-items: flex-start; }
  .lecture .introduction-swiper__cont {
    margin-top: 1.5rem; }
  .lecture .introduction-swiper__h {
    margin-bottom: 3rem; } }

.lecture .method {
  overflow: hidden; }

@media (max-width: 59.99em) {
  .lecture .method {
    padding-bottom: 3.5rem; } }

.lecture .method-swiper {
  overflow: visible; }

.lecture .method-swiper .swiper-wrapper {
  margin-bottom: 1.6rem; }

.lecture .method-swiper .swiper-button-prev {
  left: 0px; }

.lecture .method-swiper .swiper-button-next {
  right: 0px; }

.lecture .method-swiper .card {
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  width: 100%;
  max-width: 240px;
  height: auto;
  margin: 0 auto;
  padding: 1.5rem 3rem;
  background: #FFF;
  border-radius: 10px;
  -webkit-box-shadow: 5px 5px 5px 0px rgba(32, 32, 32, 0.05);
          box-shadow: 5px 5px 5px 0px rgba(32, 32, 32, 0.05); }

.lecture .method-swiper .card__brow {
  color: #72878F; }

.lecture .method-swiper .card__h {
  margin-bottom: 2rem; }

.lecture .method-swiper .card__desc {
  margin-bottom: 4rem; }

@media (min-width: 60em) {
  .lecture .method-swiper {
    overflow: hidden;
    padding-left: 60px;
    padding-right: 60px; }
  .lecture .method-swiper .swiper-pagination {
    display: none; }
  .lecture .method-swiper .card {
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    height: auto;
    width: 33.33333%;
    max-width: 285px;
    padding: 2rem 4rem; }
  .lecture .method-swiper .card__h {
    margin-bottom: 3rem; }
  .lecture .method-swiper .card__desc {
    margin-bottom: 7rem; }
  .lecture .method-swiper .swiper-pagination {
    display: none; }
  .lecture .method-swiper .swiper-button-prev, .lecture .method-swiper .swiper-button-next {
    padding: 0;
    margin: 0;
    top: 0;
    height: 100%;
    background-color: #E7F5FE; }
  .lecture .method-swiper .swiper-button-prev:focus, .lecture .method-swiper .swiper-button-prev:active, .lecture .method-swiper .swiper-button-next:focus, .lecture .method-swiper .swiper-button-next:active {
    outline: none;
    -webkit-box-shadow: 0 0 0 1px #CAD1D5 inset;
            box-shadow: 0 0 0 1px #CAD1D5 inset; } }

.lecture .target {
  overflow: hidden; }

.lecture .target .chart {
  margin-top: 3.6rem; }

@media (min-width: 60em) {
  .lecture .target .chart {
    margin-top: 5.5rem; } }

.lecture .target-list + .lecture__heading {
  padding-top: 4.8rem; }

.lecture .target-list .item {
  max-width: 330px;
  margin: 0 auto 0.7rem; }

.lecture .target-list .item__desc {
  text-align: center;
  word-break: keep-all;
  word-wrap: break-word; }

@media (min-width: 60em) {
  .lecture .target-list {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    margin-left: -18px;
    margin-right: -18px; }
  .lecture .target-list + .lecture__heading {
    padding-top: 6.5rem; }
  .lecture .target-list .item {
    width: calc(33.33333% - 20px * 0.66667); }
  .lecture .target-list .item__desc {
    padding: 0 20px; }
  .lecture .target-list .item:only-child {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    width: 80%;
    max-width: none; }
  .lecture .target-list .item:only-child img {
    width: calc(50% - 20px/2); }
  .lecture .target-list .item:only-child .item__desc {
    text-align: left; } }

.lecture {
  padding-top: 95px; }

.lecture_detail {
  padding-top: 0; }

.lecture .page-header {
  padding: 0 0 40px; }

@media (max-width: 63.99em) {
  .lecture {
    position: relative; }
  .lecture .page-header {
    padding: 200px 0 0; }
  .lecture .page-header__title {
    font-size: 64px; }
  .lecture .page-header__3depth {
    padding-top: 0; } }

@media (max-width: 47.99em) {
  .lecture .page-header {
    padding: 27.78vw 0 0; }
  .lecture .page-header__title {
    font-size: 8.89vw; } }

.lecture__header {
  position: relative;
  padding: 2.5rem 0 3rem;
  background-position: top center;
  background-repeat: no-repeat;
  background-color: #F1F9FD;
  background-size: cover; }

.lecture__header--1 {
  background-color: #c6edf2;
  background-image: url(../image/lecture/header-bg-0-sm.jpg); }

.lecture__header--2 {
  background-color: #fde5b9;
  background-image: url(../image/lecture/header-bg-1-sm.jpg); }

.lecture__header--3 {
  background-color: #fde1c9;
  background-image: url(../image/lecture/header-bg-2-sm.jpg); }

.lecture__header--4 {
  background-color: #d7f4fa;
  background-image: url(../image/lecture/header-bg-3-sm.jpg); }

.lecture__header--5 {
  background-color: #fffad4;
  background-image: url(../image/lecture/header-bg-4-sm.jpg); }

.lecture__header-cap {
  display: block;
  margin-bottom: 1rem;
  color: #58686F; }

.lecture__header-info {
  margin: 3.5rem 0 3rem;
  padding: 0.7rem 3rem 5rem 2.7rem;
  background: #FFF;
  border-radius: 10px;
  -webkit-box-shadow: 5px 5px 5px 0px rgba(32, 32, 32, 0.05);
          box-shadow: 5px 5px 5px 0px rgba(32, 32, 32, 0.05); }

.lecture__header-btns {
  text-align: center; }

.lecture__desc {
  margin: 1rem 2rem 0;
  font-size: 1.6rem;
  word-break: keep-all;
  word-wrap: break-word; }

@media (min-width: 60em) {
  .lecture__header {
    padding: 0; }
  .lecture__header--1 {
    background-image: url(../image/lecture/header-bg-0-lg.jpg); }
  .lecture__header--2 {
    background-image: url(../image/lecture/header-bg-1-lg.jpg); }
  .lecture__header--3 {
    background-image: url(../image/lecture/header-bg-2-lg.jpg); }
  .lecture__header--4 {
    background-image: url(../image/lecture/header-bg-3-lg.jpg); }
  .lecture__header--5 {
    background-image: url(../image/lecture/header-bg-4-lg.jpg); }
  .lecture__header .l-wrap {
    height: 380px;
    padding-top: 10.5rem; }
  .lecture__header-info {
    position: absolute;
    width: 50%;
    top: 6rem;
    bottom: 6rem;
    right: 0;
    margin: 0;
    padding: 1.7rem 3.7rem;
    -webkit-box-sizing: border-box;
            box-sizing: border-box; }
  .lecture__header-btns {
    position: absolute;
    top: 50%;
    left: 0;
    margin-top: 3rem; } }

@media (max-width: 63.99em) {
  .lecture {
    padding-top: 0; }
  .lecture_detail {
    padding-top: 120px; } }

@media (max-width: 47.99em) {
  .lecture_detail {
    padding-top: 16.67vw; } }

.lecture__body {
  position: relative;
  padding-top: 6rem; }

.lecture__section {
  padding-bottom: 8rem; }

.lecture__section .pagination {
  padding-bottom: 0; }

.lecture__section:nth-child(3) {
  background-color: #E7F5FE; }

.lecture__section.curriculum {
  position: relative;
  background-color: #FFF; }

.lecture__section.curriculum::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 270px;
  background: #EAEDEF; }

.lecture__section:nth-child(4)::before {
  display: none; }

.lecture__heading {
  padding: 7.5rem 0 3.5rem;
  text-align: center; }

@media (min-width: 60em) {
  .lecture__section {
    padding-bottom: 9.5rem; }
  .lecture__section.curriculum::before {
    height: 342px; }
  .lecture__heading {
    padding: 10rem 0 6rem; } }