@charset "UTF-8";

/* webfont */
@import url('https://cdn.jsdelivr.net/gh/fonts-archive/Paperlogy/Paperlogy.css');
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css');


* {
  margin: 0;
  padding: 0;
	letter-spacing: -.02em;
  box-sizing: border-box;
  font-weight: inherit;
}

li {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  vertical-align: top;
  max-width: 100%;
}

i {
  font-style: normal;
}
i.italic {
  font-style: italic;
}

html {
  font-size: 62.5%;
}

body {
  font-family: "Paperlogy", "Pretendard", sans-serif;
  min-width: 128rem;
  color: #000;
}

section {
  width: 100%;
  position: relative;
  z-index: 1;
  text-align: center;
}

button {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  font: inherit;
  color: inherit;
  text-decoration: none;
  outline: none;
  cursor: pointer;
}

.blind {
  position: absolute;
  left: -9999px;
  font-size: 0;
  width: 0;
  height: 0;
  overflow: hidden;
}

.swiper-button-next:after, .swiper-rtl .swiper-button-next:after,
.swiper-button-prev:after,
.swiper-rtl .swiper-button-prev:after {
  content: "";
}

.wrapper {
  width: 100%;
  position: relative;
  z-index: 1;
  background-color: #fff;
  overflow-x: clip;
}

.grid_content {
	width: 116rem;
	margin: 0 auto;
}

/* 플로팅 메뉴 */
.floating_banner {
  position: fixed;
  z-index: 10000;
  bottom: -14rem;
  width: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
  transition: 1s;
}
.load .floating_banner {
  bottom: 2.5rem;
}
.floating_banner.is_stopped {
  position: absolute;
}
.floating_banner ul {
	display: flex;
  gap: 1rem;
  max-width: 100%;
  height: 6.2rem;
	align-items: center;
	justify-content: center;
}
.floating_banner ul li {
  position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
  height: 100%;
  background-color: #222121;
  border: 1px solid rgba(34, 33, 33, .9);
  border-radius: 1.5rem;
  overflow: hidden;
  letter-spacing: 0;
}
.floating_banner ul li .tit {
  padding: 0 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 2rem;
  font-family: "Pretendard", sans-serif;
}
.floating_banner ul li a {
  position: relative;
  padding: 0 4rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: transparent;
  background-color: #fff;
  transition: background .3s;
}
.floating_banner ul li a::after {
  position: absolute;
  right: 0;
  content: "";
  display: inline-block;
  width: 1px;
  height: 4.4rem;
  background-color: rgba(0, 0, 0, .1);
}
.floating_banner ul li a:last-child::after {
  display: none;
}
.floating_banner ul li.data {
  background-color: #212e6c;
  border-color: rgba(8, 22, 89, .9);
}

/* 공통 스타일 */
.title_txtimg {
  display: flex;
  align-items: center;
  gap: 5.4rem;
}
.title_txtimg .img {
  position: relative;
}
.title_txtimg .img::before {
  position: absolute;
  top: 0;
  right: 0;
  content: "";
  display: inline-block;
  width: 100%;
  height: 100%;
  background-color: #fff;
  transition: width .8s;
}
.title_txtimg .img.aos-animate::before {
  width: 0;
}
.var_title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
}
.var_title .tit {
  display: flex;
  font-size: 5.8rem;
  font-weight: 600;
  gap: 1.2rem;
}
.var_title .tit span {
  position: relative;
  top: -1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-left: 1rem;
  width: 7rem;
  height: 5.8rem;
  font-size: 4rem;
  color: #fff;
  background: url(../images/title_bubble.png) no-repeat center center;
  opacity: 0;
  transform: scale(0.3);
}
.var_title.aos-animate .tit span {
  animation: springPop 0.55s ease-out forwards;
}
@keyframes springPop {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  40% {
    transform: scale(1.25);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}
.var_title .txt {
  font-size: 5rem;
  font-weight: 600;
  opacity: 0;
  transition: .6s;
}
.var_title.aos-animate .txt {
  opacity: 1;
}
.var_title .txt .line {
  position: relative;
  color: #a14233;
}
.var_title .txt .line::after {
  position: absolute;
  left: -1rem;
  bottom: -2rem;
  content: "";
  display: block;
  width: 34.7rem;
  height: 2.7rem;
  background: url(../images/title_deco.png) no-repeat center center;
  background-size: contain;
}

/* 메인 배너 */
.main_banner {
  position: relative;
  background: #f4e2cb;
  overflow: hidden;
}
.main_banner .banner1 {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}
.main_banner .banner2 {
  position: absolute;
  right: 0;
  bottom: -16.2rem;
  object-fit: cover;
  z-index: 1;
}
.main_banner .grid_content {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 90rem;
  z-index: 2;
}
.main_banner .banner_tit {
  position: relative;
  top: 2rem;
  right: -8rem;
  text-align: center;
}
.main_banner .banner_tit h1 .zip {
  position: absolute;
  bottom: 4rem;
  right: 9.2rem;
  transform: translateY(.7rem);
  opacity: 0;
  transition: 1s;
}
/* .main_banner .banner_tit h1 .zip img {
  position: relative;
  top: 15rem;
  transform: translateY(.7rem);
  opacity: 0;
  transition: 1s;
}
.main_banner .banner_tit h1 .zip_i {
  left: -.2rem;
}
.main_banner .banner_tit h1 .zip_p {
  left: -.5rem;
} */
.load .main_banner .banner_tit h1 .zip {
  bottom: 8rem;
  opacity: 1;
  animation: zip_ani 1.2s ease-in-out infinite alternate;
}
/* .load .main_banner .banner_tit h1 .zip img {
  opacity: 1;
}
.load .main_banner .banner_tit h1 .zip_z {
  top: 0;
  animation: zip_ani 1.2s ease-in-out infinite alternate;
  animation-delay: 1s;
}
.load .main_banner .banner_tit h1 .zip_i {
  top: -1.5rem;
  transition-delay: .2s;
  animation: zip_ani 1.2s ease-in-out infinite alternate;
  animation-delay: 1.4s;
}
.load .main_banner .banner_tit h1 .zip_p {
  top: 0;
  transition-delay: .4s;
  animation: zip_ani 1.2s ease-in-out infinite alternate;
  animation-delay: 1.8s;
} */
@keyframes zip_ani {
  0% {
    transform: translateY(.7rem);
  }
  100% {
    transform: translateY(0);
  }
}
.main_banner .banner_tit h1 .tip {
  position: absolute;
  left: -3.5rem;
  top: -1.7rem;
  z-index: -1;
  animation: pulse 1.4s ease-in-out;
}
@keyframes pulse {
  0% {
    opacity: 0;
    transform: scale(1.07); /* 6% 확대 */
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}
@media (max-width: 1750px) {
  .main_banner .banner2 {
    right: -9rem;
  }
  .main_banner .banner_tit {
    right: -6rem;
  }
}
@media (max-width: 1420px) {
  .main_banner .banner2 {
    right: -15rem;
  }
  .main_banner .banner_tit {
    right: 0;
  }
}

/* 국어 한 문제 때문에... */
#section1 {
  padding: 13.4rem 0 12rem;
}
#section1 .title_txtimg {
  padding-left: 2.3rem;
}
#section1 .content_box {
  margin-top: 7rem;
}
#section1 .content_box .title {
  margin-bottom: 5.5rem;
}
#section1 .content_box ul {
  display: flex;
  gap: .9rem;
}
#section1 .content_box ul > li {
  width: 100%;
  padding: 5.5rem 0 5rem;
  background-color: #f8f8f8;
  border-radius: 1.9rem;
  overflow: hidden;
}
#section1 .content_box ul > li .tit {
  margin-bottom: 5rem;
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 3.8rem;
}
#section1 .content_box ul > li .tit span {
  color: #a14233;
}
#section1 .content_box ul > li .img_box {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 37.4rem;
}
#section1 .content_box ul > li .txt {
  margin-top: 3.2rem;
  font-size: 2rem;
  line-height: 3rem;
}
#section1 .content_box ul > li .txt b {
  font-weight: 700;
}
#section1 .last_txt {
  margin-top: 7rem;
}

/* 변수 1 : 막연한 공부는 NO! 영역별 학습 전략 파악하기 */
#section2 {
  padding: 11.7rem 0 16.1rem;
  background-color: #fdf6ec;
}
#section2 .title_txtimg {
  margin-bottom: 8.8rem;
  padding-left: 9.4rem;
}
#section2 .title_txtimg .img::before {
  background-color: #fdf6ec;
}
#section2 .notebook_list {
  position: relative;
  margin-top: 7.5rem;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}
#section2 .notebook_list > li {
  position: relative;
  text-align: left;
  display: flex;
  height: 23.4rem;
  background: #fff url("../images/bg_bookline.png") no-repeat center center;
  box-shadow: .5rem .5rem 1.5rem rgba(155, 144, 162, .5);
}
#section2 .notebook_list > li:nth-child(1) {
  z-index: 10;
}
#section2 .notebook_list > li:nth-child(1)::before {
  position: absolute;
  bottom: -8.8rem;
  left: -13.5rem;
  content: "";
  width: 19.1rem;
  height: 20rem;
  background: url(../images/section2_book1.png) no-repeat center center;
}
#section2 .notebook_list > li:nth-child(1)::after {
  position: absolute;
  top: 1.6rem;
  right: -3.5rem;
  content: "";
  width: 7.7rem;
  height: 4.4rem;
  background: url(../images/img_postit1.png) no-repeat center center;
}
#section2 .notebook_list > li:nth-child(2)::before {
  position: absolute;
  top: -4.2rem;
  right: -9.5rem;
  content: "";
  width: 14rem;
  height: 17.6rem;
  background: url(../images/section2_book2.png) no-repeat center center;
}
#section2 .notebook_list > li:nth-child(3) {
  z-index: 10;
}
#section2 .notebook_list > li:nth-child(3)::before {
  position: absolute;
  bottom: -8.8rem;
  left: -14.5rem;
  content: "";
  width: 18.7rem;
  height: 12.6rem;
  background: url(../images/section2_book3.png) no-repeat center center;
}
#section2 .notebook_list > li:nth-child(3)::after {
  position: absolute;
  top: -1.6rem;
  left: 32rem;
  content: "";
  width: 2.2rem;
  height: 7.8rem;
  background: url(../images/img_postit2.png) no-repeat center center;
}
#section2 .notebook_list .book4 {
  position: absolute;
  z-index: -1;
  bottom: -3.5rem;
  right: -15rem;
}
#section2 .notebook_list .tit_box {
  display: flex;
  flex-direction: column;
  padding-left: 3.9rem;
  width: 36.7rem;
  height: 100%;
  align-items: flex-start;
  justify-content: center;
}
#section2 .notebook_list .tit_box .tit {
  margin-top: 2rem;
  font-size: 3rem;
  font-weight: 600;
  line-height: 3.8rem;
  color: #a14233;
  text-decoration: underline;
  text-decoration-thickness: .2rem;
  text-underline-offset: .4rem;
}
#section2 .notebook_list .txt_box {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 1.6rem;
  justify-content: center;
}
#section2 .notebook_list .txt_box > li {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  padding-left: 6.5rem;
  gap: .6rem;
  font-size: 2rem;
  font-weight: 300;
  line-height: 2.8rem;
}
#section2 .notebook_list .txt_box > li b {
  position: relative;
  font-weight: 700;
  background-color: #f5ffa5;
}
#section2 .notebook_list .txt_box > li b::before {
  position: absolute;
  top: 0;
  content: "";
  display: block;
  left: -.3rem;
  width: calc(100% + .6rem);
  height: 2.5rem;
  background-color: #f5ffa5;
  z-index: -1;
}

/* 변수 2 : 학습 전략에 딱! 맞는 교재 선택하기 */
#section3 {
  padding: 14.5rem 0 16.4rem;
}
#section3 .var_title {
  margin-bottom: 11.4rem;
}
#section3 .var_title .tit span {
  padding-left: 1.2rem;
}
#section3 .var_title .txt .line::after {
  width: 32.7rem;
  height: 2rem;
  background: url(../images/title_deco2.png) no-repeat center center;
}
#section3 .books_list > li {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
#section3 .books_list .txt_box {
  position: relative;
}
#section3 .books_list .txt_box > p {
  margin-top: 1.6rem;
  padding-left: 2.7rem;
  text-align: left;
  font-size: 2rem;
  line-height: 2.8rem;
  color: #373737;
}
#section3 .books_list .txt_box > p span {
  font-weight: 600;
}
#section3 .books_list .txt_box > p b {
  font-weight: 700;
}
#section3 .books_list .img_box {}
#section3 .books_list > li:nth-child(1) .txt_box {
  left: .7rem;
}
#section3 .books_list > li:nth-child(2) {
  margin-top: 6.2rem;
}
#section3 .books_list > li:nth-child(2) .txt_box {
  position: absolute;
  right: 7.2rem;
}
#section3 .books_list > li:nth-child(2) .txt_box > p {
  padding-left: 14rem;
}
#section3 .books_list > li:nth-child(3) {
  padding: 14.6rem 0 0 5.1rem;
  justify-content: flex-start;
}
#section3 .books_list > li:nth-child(3)::before {
  position: absolute;
  top: 4rem;
  left: 50%;
  content: "";
  width: 6.1rem;
  height: 6.1rem;
  background: url(../images/section3_plus.png) no-repeat center center;
  transform: translateX(-50%);
}
#section3 .books_list > li:nth-child(3) .txt_box {
  left: .7rem;
}

/* 변수 3 : 해법문학 */
#section4 {
  padding: 14rem 0 12rem;
  background-color: #fdf6ec;
}
#section4 .var_title {
  margin-bottom: 5.5rem;
}
.books_detail {
  position: relative;
  margin-top: 5.9rem;
  padding: 7.5rem 3rem 8rem;
  background-color: #fff;
  box-shadow: 0 0 1.8rem .1rem rgba(210, 210, 233, 0.18);
  border-radius: 1.5rem;
}
.books_detail::before {
  position: absolute;
  top: -5.7rem;
  left: 2.9rem;
  content: "";
  width: 16.2rem;
  height: 8.8rem;
  background: url(../images/img_clip.png) no-repeat center center;
  z-index: 3;
}
.books_detail::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, .51);
  border-radius: 1.5rem;
}
.books_detail .inner {
  position: relative;
  z-index: 1;
}
.books_detail .title_wrap {
  position: relative;
  padding-bottom: 4.2rem;
  border-bottom: .1rem solid #000;
}
.books_detail .title_wrap::after {
  content: "";
  position: absolute;
  bottom: .5rem;
  left: 0;
  display: block;
  width: 100%;
  height: .3rem;
  background-color: #000;
}
.books_detail .title_wrap > p {
  font-size: 3.2rem;
}
.books_detail .title_wrap > p b {
  font-weight: 700;
}
.books_detail .title_wrap > p strong {
  display: block;
  margin-top: 1.4rem;
  font-size: 5rem;
  font-weight: 600;
}
.books_detail .title_wrap > ul {
  display: flex;
  margin-top: 4rem;
  gap: .8rem;
  justify-content: center;
}
.books_detail .title_wrap > ul li {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 11.5rem;
  height: 4.2rem;
  color: #fff;
  font-size: 1.8rem;
  background-color: #90665f;
  border-radius: 2.1rem;
}
.books_detail .books_desc {
  position: relative;
  padding: 17rem 0 0;
}
.books_detail .books_desc .center_img {
  position: relative;
  display: inline-block;
}
.books_detail .books_desc .center_img .label {
  position: absolute;
  top: -4rem;
  left: -11rem;
}
.books_detail .books_desc ul li {
  position: absolute;
  opacity: 0;
  transition: opacity .8s;
}
#book1 .books_desc ul li:nth-child(1) {
  left: 10.1rem;
  bottom: -4.4rem;
}
#book1 .books_desc ul li:nth-child(2) {
  top: 8.5rem;
  right: 6.4rem;
}
#book1 .books_desc ul li:nth-child(3) {
  bottom: -9rem;
  right: 1.3rem;
}
.books_desc ul.aos-animate li {
  opacity: 1;
}
.books_desc ul.aos-animate li:nth-child(2) {
  transition-delay: .2s;
}
.books_desc ul.aos-animate li:nth-child(3) {
  transition-delay: .4s;
}
#book1 .book_etc {
  margin-top: 15rem;
  margin-bottom: 11rem;
}
.divider {}
.divider .tit {
  display: flex;
  align-items: center;
  justify-content: center;
}
.divider .tit > p {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 5rem;
  height: 5.1rem;
  font-size: 2.6rem;
  font-weight: 700;
  color: #fff;
  background-color: #000;
  border-radius: 2.5rem;
}
.divider .tit > p::before,
.divider .tit > p::after {
  position: absolute;
  content: "";
  display: inline-block;
  width: .8rem;
  height: .8rem;
  border-radius: 50%;
  background-color: #bb6355;
}
.divider .tit > p::before {
  left: 1.8rem;
}
.divider .tit > p::after {
  right: 1.8rem;
}
.divider .comment_list {
  margin-top: 2.9rem;
  margin-bottom: 14rem;
  display: flex;
  justify-content: center;
}
.divider .comment_list > li {
  position: relative;
}
.divider .comment_list > li > p {
  position: absolute;
  color: #fff;
  font-size: 2.4rem;
  line-height: 3.4rem;
}
.divider .comment_list > li:nth-child(1) {
  right: -3rem;
  z-index: 2;
}
.divider .comment_list > li:nth-child(1) > p {
  top: calc(50% + .8rem);
  right: 5rem;
  transform: translateY(-50%);
}
.divider .comment_list > li:nth-child(2) {
  top: 4.1rem;
  left: -3rem;
}
.divider .comment_list > li:nth-child(2) > p {
  top: calc(50% + 1.3rem);
  left: 8.8rem;
  transform: translateY(-50%);
}
.divider .comment_list > li > p span {
  font-weight: 700;
  color: #f1e55b;
}
.slider_wrap .title {
  position: absolute;
  top: -14.7rem;
  left: 0;
  width: 100%;
  font-size: 2.4rem;
  line-height: 3.4rem;
  opacity: 0;
}
.slider_wrap .title strong {
  display: block;
  margin-bottom: 1.2rem;
  font-size: 3rem;
  font-weight: 700;
}
.slide_area {
  position: relative;
  padding: 18.5rem 6rem 0;
  overflow: hidden;
}
.slide_area::before {
  content: "";
  position: absolute;
  z-index: 10;
  top: 16rem;
  right: 10.4rem;
  width: 5.1rem;
  height: 9.4rem;
  background: url(../images/img_postit3.png) no-repeat center center;
}
.slide_area .swiper-container {
  position: relative;
  height: 54rem;
  background-color: #eaeaea;
  border-radius: 1.5rem;
}
.slide_area .swiper-wrapper > li {
  display: flex;
  align-items: center;
  justify-content: center;
}
.slide_area .swiper-button-prev, 
.slide_area .swiper-button-next {
  width: 6.2rem;
  height: 6.3rem;
  background-color: #000;
  border-radius: 50%;
  opacity: 1;
}
.slide_area .swiper-button-prev {
  left: -3.1rem;
}
.slide_area .swiper-button-next {
  right: -3.1rem;
}
.slide_area .swiper-button-prev img {
  position: relative;
  left: -.2rem;
}
.slide_area .swiper-button-next img {
  position: relative;
  right: -.2rem;
}
.slide_area button.swiper-button-disabled {
  background-color: #868686;
}
.slide_area .tip_txt {
  position: absolute;
  bottom: -5rem;
  width: 100%;
  font-size: 1.5rem;
  color: #707070;
}
.slide_area .swiper-pagination {
  position: static;
  display: flex;
  justify-content: center;
  margin-top: 8.5rem;
  height: 1.2rem;
  gap: .6rem;
}
.slide_area .swiper-pagination-bullet {
  margin: 0 !important;
  width: 1.2rem;
  height: 1.2rem;
  background-color: #d7d3dd;
  opacity: 1;
}
.slide_area .swiper-pagination-bullet.swiper-pagination-bullet-active {
  background-color: #855319;
}
.swiper-slide img {
  position: relative;
  opacity: 0;
}
.swiper-slide .tip_txt {
  opacity: 0;
}
.swiper-slide-active img,
.swiper-slide-active .tip_txt,
.slider_wrap .swiper-slide-active .title {
  transition-delay: .2s;
  opacity: 1;
}
.review_cnt {
  margin-top: 8rem;
}
.review_cnt.divider .tit > p img {
  margin-right: 1.2rem;
}
.review_cnt .review_tit {
  margin-top: 5.4rem;
}
.review_cnt .review_tit > p {
  font-size: 4.5rem;
  font-weight: 700;
}
.review_cnt .review_img {
  margin-top: 4rem;
}
.review_cnt .review_img img {
  max-width: inherit;
}
.review_cnt .btn_area {
  display: flex;
  justify-content: center;
  margin-top: 5.5rem;
}
.review_cnt .btn_area a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32rem;
  height: 7.4rem;
  color: #fff;
  font-size: 2.6rem;
  background-color: #000;
  transition: .4s;
}
.solution .slide1.swiper-slide-active img {
  right: -5.4rem;
}
.solution .slide4.swiper-slide-active img {
  right: 1rem;
}
.solution .slide8.swiper-slide-active img {
  right: -2.7rem;
}
.solution .slide9.swiper-slide-active img {
  right: -1.2rem;
}

/* 변수 3 : 해법문학Q */
#section5 {
  padding: 16.3rem 0 12rem;
  background-color: #e7ded3;
}
#book2::before {
  left: inherit;
  right: 2.6rem;
}
#book2 .books_desc {
  padding-top: 9.6rem;
  margin-bottom: 11.9rem;
}
#book2 .books_desc ul li:nth-child(1) {
  top: 20.5rem;
  left: 7.2rem;
}
#book2 .books_desc ul li:nth-child(2) {
  top: 8.5rem;
  right: 1.2rem;
}
#book2 .books_desc ul li:nth-child(3) {
  bottom: 0;
  right: 1.5rem;
}
#book2 .comment_list {
  margin-top: -1rem;
  margin-bottom: 14.2rem;
}
#book2 .comment_list > li:nth-child(1) > p {
  top: calc(50% + 3rem);
  right: 8.5rem;
}
#book2 .comment_list > li:nth-child(2) {
  top: 6.3rem;
}
#book2 .comment_list > li:nth-child(2) > p {
  top: calc(50% + 1.6rem);
  left: 7.4rem;
}
.solutionQ .slide2.swiper-slide-active img {
  right: -5.4rem;
}
.solutionQ .slide4.swiper-slide-active img {
  right: -2rem;
}

/* 변수 3 : 100인의 지혜 */
#section6 {
  padding: 16.3rem 0 12rem;
  background-color: #fdf6ec;
}
#book3 .books_desc {
  padding-top: 16rem;
}
#book3 .books_desc ul li:nth-child(1) {
  top: 27.5rem;
  left: 8.2rem;
}
#book3 .books_desc ul li:nth-child(2) {
  top: 8.5rem;
  right: 2.5rem;
}
#book3 .books_desc ul li:nth-child(3) {
  bottom: -.2rem;
  right: 3.8rem;
}
#book3 .book_etc {
  margin-top: 8.2rem;
  margin-bottom: 11rem;
}
#book3 .comment_list {
  margin-top: 1.6rem;
  margin-bottom: 10.6rem;
}
#book3 .comment_list > li:nth-child(1) > p {
  top: calc(50% + .1rem);
  right: 4.8rem;
}
#book3 .comment_list > li:nth-child(2) {
  top: 1.3rem;
}
#book3 .comment_list > li:nth-child(2) > p {
  top: calc(50% + 3.7rem);
  left: 6.8rem;
}
#book3 .slider_wrap {
  margin-top: 6.6rem;
}
.slide_tab {
  position: relative;
  display: inline-flex;
  justify-content: center;
  gap: 3.2rem;
}
.slide_tab::before {
  position: absolute;
  z-index: -1;
  top: 50%;
  left: 0;
  content: "";
  display: block;
  width: 100%;
  height: .2rem;
  background-color: #4e6d7c;
  transform: translateY(-50%);
}
.slide_tab > li a {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 15.5rem;
  height: 4.8rem;
  font-weight: 500;
  font-size: 2.3rem;
  background-color: #fff;
  border: .2rem solid #4e6d7c;
  border-radius: .7rem;
}
.slide_tab > li a.active {
  color: #fff;
  background-color: #4e6d7c;
}
.slide_tab > li a.active::before {
  content: "";
  position: absolute;
  top: -2.9rem;
  left: -3.8rem;
  display: block;
  width: 9.3rem;
  height: 5.2rem;
  background: url(../images/click_active1.png) no-repeat center center;
}
.slide_tab > li a.active::after {
  position: absolute;
  content: "";
  top: -4rem;
  left: -2.5rem;
  display: block;
  width: 19.2rem;
  height: 12rem;
  background: url(../images/click_active2.png) no-repeat center center;
  animation: twinkle 1.5s infinite;
}
@keyframes twinkle {
  0%, 49% {
    opacity: 1;
  }
  50%, 100% {
    opacity: 0;
  }
}
.slide_cnt > div {
  display: none;
}
.slide_cnt > div.active {
  display: block;
}
#book3 .slide_area .swiper-pagination {
  margin-top: 3rem;
}
.slide_tab1 .slide1.swiper-slide-active img {
  right: -4.6rem;
}
.slide_tab1 .slide2.swiper-slide-active img {
  right: -5.8rem;
}
.slide_tab1 .slide3.swiper-slide-active img {
  right: 2.2rem;
}
.slide_tab1 .slide5.swiper-slide-active img {
  right: 1.1rem;
}
.slide_tab2 .slide1.swiper-slide-active img {
  right: 1.9rem;
}
.slide_tab2 .slide2.swiper-slide-active img {
  right: -1.2rem;
}
.slide_tab2 .slide3.swiper-slide-active img {
  right: 4.5rem;
}
.slide_tab2 .slide5.swiper-slide-active img {
  right: 3.8rem;
}
.slide_tab3 .slide1.swiper-slide-active img {
  right: -2.7rem;
}
.slide_tab3 .slide2.swiper-slide-active img {
  right: -2rem;
}
.slide_tab3 .slide5.swiper-slide-active img {
  right: .5rem;
}

/* 고등 셀파 */
#section7 {
  padding: 16.3rem 0 12rem;
  background-color: #fff;
}
#section7 .selpa_title_wrap {
  margin-bottom: 9rem;
}
#section7 .selpa_title_wrap .cate {
  position: relative;
  margin-bottom: 7rem;  
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-left: 6rem;
  width: 43.7rem;
  height: 7.3rem;
  font-size: 3.6rem;
  font-weight: 600;
  color: #fff;
  background-color: #664640;
  border-radius: 3.6rem;
}
#section7 .selpa_title_wrap .cate::before {
  position: absolute;
  top: -4.2rem;
  left: -.1rem;
  content: "";
  display: inline-block;
  width: 10rem;
  height: 10rem;
  background: url(../images/img_green_plus.png) no-repeat center center;
}
#section7 .selpa_title_wrap .txt {
  font-size: 3.2rem;
  line-height: 4.2rem;
}
#section7 .selpa_title_wrap .txt strong {
  display: block;
  margin-top: 3rem;
  font-size: 6.2rem;
  font-weight: 700;
}
#section7 .point_list {
  display: flex;
  margin-bottom: 10rem;
  gap: 1rem;
}
#section7 .point_list > li {
  display: flex;
  padding: 4rem 1rem 4.5rem;
  flex: 1;
  min-height: 27rem;
  flex-direction: column;
  align-items: center;
  background-color: #f6f6f6;
  border-radius: 2rem;
}
#section7 .point_list > li .tit {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 14.8rem;
  height: 4.4rem;
  color: #fff;
  font-size: 2rem;
  font-weight: 700;
  gap: .5rem;
  border-radius: 2.2rem;
  background-color: #865249;
}
#section7 .point_list > li .tit > span {
  color: #fff265;
}
#section7 .point_list > li .txt_box {
  margin-top: 1.2rem;
  font-weight: 300;
  font-size: 2.2rem;
  line-height: 3.2rem;
}
#section7 .point_list > li .txt_box > span {
  font-weight: 700;
}
#section7 .selpa_book_list {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 4.2rem;
}
#section7 .selpa_book_list > li {
  display: flex;
  flex-direction: column;
  align-items: center;
}
#section7 .selpa_book_list .img_box {
  margin-bottom: 2.5rem;
}
#section7 .selpa_book_list .tit {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 23.2rem;
  height: 6.6rem;
  color: #fff;
  font-size: 2.6rem;
  font-weight: 600;
  border-radius: 3.3rem;
}
#section7 .selpa_book_list .society .tit {
  background-color: #f3900d;
} 
#section7 .selpa_book_list .science .tit {
  background-color: #48bce9;
} 
#section7 .selpa_book_list .history .tit {
  background-color: #8b99c8;
} 
#section7 .selpa_book_list .btn_area {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 5rem;
  gap: .8rem;
}
#section7 .selpa_book_list .btn_area > a {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .9rem;
  width: 17rem;
  height: 5.4rem;
  font-size: 1.8rem;
}
#section7 .selpa_book_list .btn_area > a.preview {
  border: .2rem solid #2a272f;
}
#section7 .selpa_book_list .btn_area > a.preview::before {
  content: "";
  width: 2.3rem;
  height: 2.2rem;
  background: url(../images/ico_preview.png) no-repeat center center;
}
#section7 .selpa_book_list .btn_area > a.buy {
  background-color: #2a272f;
  color: #fff;
}

/* 학습 지원 ACA */
#section8 {
  padding: 11rem 0 0;
  background-color: #fdf6ec;
}
#section8 .aca_title_wrap {
  margin-bottom: 11.1rem;
}
#section8 .aca_title_wrap .tit {
  font-size: 4.6rem;
  font-weight: 700;
}
#section8 .aca_title_wrap .txt {
  margin-top: 2rem;
  font-size: 3rem;
  line-height: 4.6rem;
}
#section8 .aca_title_wrap .txt strong {
  font-weight: 600;
}
#section8 .aca_title_wrap .txt .red {
  color: #a14233;
}
#section8 .aca_title_wrap .img_box {
  margin-top: 1.5rem;
}
#section8 .aca_detail {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  padding-bottom: 12.6rem;
}
#section8 .aca_detail .img_box {
  position: absolute;
  left: 0;
  bottom: 0;
}
#section8 .aca_detail .txt_list > li {
  display: flex;
  padding-right: 4rem;
  align-items: flex-start;
  gap: 3rem;
}
#section8 .aca_detail .txt_list > li:last-child {
  margin-top: 3rem;
  padding-top: 3.5rem;
  border-top: 1px solid #d1d1d1;
}
#section8 .aca_detail .txt_list .num {
  position: relative;
  top: -.4rem;
  font-size: 3.2rem;
  font-weight: 700;
  color: #999999;
}
#section8 .aca_detail .txt_list p {
  text-align: left;
  font-size: 2rem;
  line-height: 3rem;
  color: #515151;
}
#section8 .aca_detail .txt_list p strong {
  display: block;
  margin-bottom: 1.5rem;
  font-size: 3.2rem;
  font-weight: 700;
  color: #000;
}

/* footer */
#footer {
  display: flex;
  padding: 5.8rem 0;
  align-items: center;
  justify-content: center;
  background-color: #363636;
  color: #fff;
}
#footer .inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
#footer .footer_tit {
  margin-bottom: 2.2rem;
  font-weight: 600;
  font-size: 3.2rem;
}
#footer .desc > span {
  display: block;
  line-height: 3.4rem;
  font-weight: 300;
  font-size: 2rem;
  text-align: center;
}
#footer .desc > span.number {
  margin-top: .7rem;
  font-weight: 600;
}
#footer .copyright {
  margin-top: 2.5rem;
  font-weight: 300;
  font-size: 1.4rem;
}