@charset "UTF-8";
/* 인풋스타일*/
input::-moz-placeholder {
  font-size: inherit;
}
input::placeholder {
  font-size: inherit;
}

/*
 비주얼 슬라이드  */
.main-visual {
  position: relative;
  width: 100%;
  height: 100vh;
}
.main-visual .swiper {
  width: inherit;
  height: inherit;
}
.main-visual .swiper-slide {
  position: relative;
  width: 100%;
  height: 100%;
  font-size: 22px;
  font-weight: bold;
  color: #fff;
}
.main-visual .swiper-slide:nth-of-type(1) {
  background: url("https://lakematerials.cdn1.cafe24.com/img/main/section_01-1.png") center/cover no-repeat;
}
.main-visual .swiper-slide:nth-of-type(2) {
  background: url("https://lakematerials.cdn1.cafe24.com/img/main/section_01-2.png") center/cover no-repeat;
}
.main-visual .swiper-slide:nth-of-type(3) {
  background: url("https://lakematerials.cdn1.cafe24.com/img/main/section_01-3.png") center/cover no-repeat;
}
.main-visual .swiper-slide .deco-txt {
  position: absolute;
  right: 1rem;
  bottom: 10rem;
  opacity: 0.15;
  font-size: calc(7.288vw + 0.007rem);
  font-weight: 900;
  color: #fff;
}
.main-visual .swiper-slide .sub-txt,
.main-visual .swiper-slide .visual-tit > span,
.main-visual .swiper-slide .v-link-btn {
  opacity: 0;
  position: relative;
  left: 30%;
}
.main-visual .swiper-slide .deco-txt {
  opacity: 0;
  right: -10%;
}
.main-visual .swiper-slide.swiper-slide-active .sub-txt {
  opacity: 1;
  left: 0;
  transition: all 0.7s 1s;
  -webkit-transition: all 0.7s, 1s;
  -moz-transition: all 0.7s, 1s;
  -ms-transition: all 0.7s, 1s;
  -o-transition: all 0.7s, 1s;
}
.main-visual .swiper-slide.swiper-slide-active .visual-tit > span {
  opacity: 1;
  left: 0;
}
.main-visual .swiper-slide.swiper-slide-active .visual-tit > span:nth-of-type(1) {
  transition: all 0.7s 1.1s;
  -webkit-transition: all 0.7s, 1.1s;
  -moz-transition: all 0.7s, 1.1s;
  -ms-transition: all 0.7s, 1.1s;
  -o-transition: all 0.7s, 1.1s;
}
.main-visual .swiper-slide.swiper-slide-active .visual-tit > span:nth-of-type(2) {
  transition: all 0.7s 1.18s;
  -webkit-transition: all 0.7s, 1.18s;
  -moz-transition: all 0.7s, 1.18s;
  -ms-transition: all 0.7s, 1.18s;
  -o-transition: all 0.7s, 1.18s;
}
.main-visual .swiper-slide.swiper-slide-active .v-link-btn {
  opacity: 1;
  left: 0;
  transition: all 0.7s 1.2s;
  -webkit-transition: all 0.7s, 1.2s;
  -moz-transition: all 0.7s, 1.2s;
  -ms-transition: all 0.7s, 1.2s;
  -o-transition: all 0.7s, 1.2s;
}
.main-visual .swiper-slide.swiper-slide-active .deco-txt {
  opacity: 0.15;
  right: 1rem;
  transition: all 0.7s 1.25s;
  -webkit-transition: all 0.7s, 1.25s;
  -moz-transition: all 0.7s, 1.25s;
  -ms-transition: all 0.7s, 1.25s;
  -o-transition: all 0.7s, 1.25s;
}

.visual-tit-wrap {
  padding-top: calc(37vh + 0.04rem);
  color: #fff;
}
.visual-tit-wrap .sub-txt {
  font-size: 2.6rem;
  font-weight: 400;
  color: #E9EBEC;
}
.visual-tit-wrap .visual-tit {
  margin: 3rem 0 6rem;
  font-size: calc(4.125vw + 0.08rem);
  font-weight: 900;
  line-height: 1.25;
}
.visual-tit-wrap .v-link-btn {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  width: 19.9rem;
  height: 5.8rem;
  font-size: var(--md-f);
  font-weight: 800;
  color: #E9EBEC;
  border: 1px solid #E9EBEC;
  background-color: transparent;
  transition: all 0.5s 0s;
  -webkit-transition: all 0.5s, 0s;
  -moz-transition: all 0.5s, 0s;
  -ms-transition: all 0.5s, 0s;
  -o-transition: all 0.5s, 0s;
}
.visual-tit-wrap .v-link-btn > i img {
  vertical-align: middle;
}
.visual-tit-wrap .v-link-btn:hover {
  color: #1376C6;
  background-color: #fff;
  transition: all 0.5s 0s;
  -webkit-transition: all 0.5s, 0s;
  -moz-transition: all 0.5s, 0s;
  -ms-transition: all 0.5s, 0s;
  -o-transition: all 0.5s, 0s;
}
.visual-tit-wrap .v-link-btn:hover > i img {
  content: url("../img/icon/arrow-h.svg");
  transition: all 0.5s 0s;
  -webkit-transition: all 0.5s, 0s;
  -moz-transition: all 0.5s, 0s;
  -ms-transition: all 0.5s, 0s;
  -o-transition: all 0.5s, 0s;
}

.visual-control {
  z-index: 1;
  position: absolute;
  left: 50% !important;
  bottom: calc(11vh + 0.02rem) !important;
  margin: 0 auto;
  padding: 0 4rem;
  max-width: 162rem;
  counter-reset: num;
  transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  -moz-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  -o-transform: translateX(-50%);
}
.visual-control .swiper-pagination-bullet {
  position: relative;
  margin-right: 2rem;
  width: 11rem;
  height: 1px;
  background-color: #939BA2;
}
.visual-control .swiper-pagination-bullet::before {
  position: absolute;
  bottom: 0.4rem;
  padding: 0.4rem;
  counter-increment: num;
  content: "0" counter(num);
  font-size: 1.4rem;
  font-weight: 800;
  color: #939BA2;
}
.visual-control .swiper-pagination-bullet.swiper-pagination-bullet-active {
  background-color: #fff;
}
.visual-control .swiper-pagination-bullet.swiper-pagination-bullet-active::before {
  color: #fff;
}

@media all and (max-width: 63.9375rem) {
  .visual-tit-wrap .visual-tit {
    font-size: 6rem;
  }
}
@media all and (max-width: 47.9375rem) {
  .visual-tit-wrap {
    padding-top: calc(30vh + 0.04rem);
  }
  .visual-tit-wrap .visual-tit {
    font-size: 3.5rem;
  }
  .main-visual .swiper-slide .sub-txt {
    font-size: 1.8rem;
  }
  .main-visual .swiper-slide .v-link-btn {
    width: 15rem;
    height: 4.5rem;
  }
  .visual-control .swiper-pagination-bullet {
    width: 4rem;
  }
}
/*
섹션 공통 */
.section {
  padding: 12rem 0;
}

.sec-txt-wrap {
  display: flex;
  justify-content: flex-start;
  flex-direction: column;
  align-items: center;
  gap: 4rem;
  margin: 0 auto 8rem;
  width: -moz-fit-content;
  width: fit-content;
}
.sec-txt-wrap .link-btn {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  padding: 1.1rem 1.92rem;
  font-size: 1.6rem;
  color: #1376C6;
  line-height: 1;
  border: 1px solid #1376C6;
}
.sec-txt-wrap .link-btn i {
  display: inline-block;
  width: 2rem;
  font-size: 0;
}
.sec-txt-wrap .link-btn i img {
  vertical-align: middle;
}
.sec-txt-wrap .link-btn.l-white {
  color: #fff;
  line-height: 1;
  border: 1px solid #fff;
}

.sec-tit {
  text-align: center;
  font-size: 5rem;
  font-weight: 700;
  line-height: 116.667%;
}

.sec-desc {
  text-align: center;
  line-height: 1.6;
}

@media all and (max-width: 85.375rem) {
  .sec-tit {
    font-size: 4rem;
  }
}
@media all and (max-width: 64rem) {
  .sec-tit {
    font-size: 3rem;
  }
}
@media all and (max-width: 47.9375rem) {
  .section {
    padding: 6rem 0;
  }
  .sec-txt-wrap {
    gap: 3rem;
    margin-bottom: 4rem;
  }
  .sec-txt-wrap .link-btn {
    font-size: 1.2rem;
  }
  .sec-tit {
    font-size: 2.8rem;
  }
  .sec-desc br {
    display: none;
  }
}
/*
섹션 1*/
.sec-01 {
  background: url("https://lakematerials.cdn1.cafe24.com/img/main/section_02.jpg") right center/cover no-repeat;
}

/*
섹션 2*/
.sec02-slider .swiper-wrapper {
  transition-timing-function: linear;
}
.sec02-slider .swiper-slide {
  margin: 0 1.5rem;
  width: -moz-fit-content;
  width: fit-content;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

@media all and (max-width: 63.9375rem) {
  .sec02-slider .swiper-slide {
    width: 30rem;
  }
}
@media all and (max-width: 47.9375rem) {
  .sec02-slider .swiper-slide {
    width: 25rem;
  }
}
/*
섹션 3*/
.sec-03 {
  background: url("https://lakematerials.cdn1.cafe24.com/img/main/section_03.jpg") center/cover no-repeat;
  background-attachment: fixed;
}
.sec-03 .sticky-el {
  position: sticky;
  left: 9.6875%;
  top: 12rem;
  padding-left: 4rem;
  padding-bottom: 12rem;
  width: -moz-fit-content;
  width: fit-content;
}
.sec-03 .sec-txt-wrap {
  position: sticky;
  top: 12rem;
  align-items: flex-start;
  margin: 0;
}
.sec-03 .sec-txt-wrap .sec-tit {
  text-align: left;
}
.sec-03 .sec-txt-wrap .sec-tit > span {
  white-space: nowrap;
}
.sec-03 .sec-txt-wrap .sec-desc {
  text-align: left;
}

.col-grid {
  position: sticky;
  top: 12rem;
  display: grid;
  grid-template-columns: minmax(32.5%, 50rem) minmax(53.5%, 82rem);
  justify-content: space-between;
}
.col-grid .m-tit {
  display: none;
}

.scroll-box {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  flex-wrap: wrap;
  gap: 6rem;
  padding-bottom: 12rem;
}
.scroll-box .item {
  position: relative;
  width: 100%;
}
.scroll-box .item:nth-of-type(even) {
  top: 12rem;
}
.scroll-box .item > a {
  display: flex;
  justify-content: flex-start;
  flex-direction: column;
  gap: 4rem 0;
  padding: 4rem 3rem;
  width: 38rem;
  height: 47rem;
  border: 1px solid #E9EBEC;
}
.scroll-box .item .item-tit {
  font-size: 4rem;
  font-weight: 800;
  color: #fff;
}
.scroll-box .item .item-desc {
  color: #fff;
  line-height: 1.6;
}
.scroll-box .item .link-btn {
  width: -moz-fit-content;
  width: fit-content;
  font-size: 0;
}
.scroll-box .item:hover {
  background-color: #fff;
}
.scroll-box .item:hover .item-tit {
  color: #1376C6;
}
.scroll-box .item:hover .item-desc {
  color: #333;
}
.scroll-box .item:hover .link-btn img {
  content: url("../img/icon/blue-link-btn.svg");
}

@media all and (max-width: 85.375rem) {
  .scroll-box {
    gap: 3rem;
  }
  .scroll-box .item > a {
    width: 100%;
    height: auto;
    min-height: 40rem;
  }
  .scroll-box .item .item-tit {
    font-size: 3rem;
  }
}
@media all and (max-width: 64rem) {
  .sticky-el {
    display: none;
  }
  .col-grid {
    grid-template-columns: 50% 50%;
  }
  .col-grid .m-tit {
    display: flex;
    margin-bottom: 4rem;
  }
  .scroll-box {
    display: block;
    padding-bottom: 0;
  }
  .scroll-box .item {
    margin-bottom: 4rem;
  }
  .scroll-box .item > a {
    gap: 2rem;
    padding: 2rem;
    height: 30rem;
    min-height: 0;
  }
  .scroll-box .item .item-tit {
    font-size: 2.5rem;
  }
  .scroll-box .item:nth-of-type(even) {
    top: 0;
  }
}
@media all and (max-width: 47.9375rem) {
  .sec-bg .col-grid {
    display: none;
  }
}
/*
섹션 4*/
.sec-04 {
  overflow: hidden;
}

.tab-slide-wrap {
  position: relative;
}
.tab-slide-wrap .tab-control {
  z-index: 10;
  position: absolute;
  padding: 2rem;
}
.tab-slide-wrap .tab-control .tab {
  opacity: 0.6;
  margin-right: 2rem;
}
.tab-slide-wrap .tab-control .tab:hover, .tab-slide-wrap .tab-control .tab.active {
  opacity: 1;
}
.tab-slide-wrap .swiper-pagination {
  opacity: 0;
  overflow: hidden;
  width: 0;
}

.tab-slide {
  width: 100%;
  height: 46.4rem;
}
.tab-slide.swiper {
  overflow: visible;
}
.tab-slide .swiper-slide-prev {
  opacity: 0;
}
.tab-slide .swiper-slide {
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
  gap: 4rem 0;
  text-align: center;
  color: #fff;
}
.tab-slide .slide-tit {
  font-size: 4rem;
  font-weight: 800;
}
.tab-slide .slide-desc {
  line-height: 1.6;
}
.tab-slide .slide-1 {
  background: url("https://lakematerials.cdn1.cafe24.com/img/main/tab-s-01.jpg") center/cover no-repeat;
}
.tab-slide .slide-2 {
  background: url("https://lakematerials.cdn1.cafe24.com/img/main/tab-s-02.jpg") center/cover no-repeat;
}

@media all and (max-width: 47.9375rem) {
  .tab-slide-wrap .tab-control .tab {
    width: 4rem;
    height: 4rem;
  }
  .tab-slide .slide-tit {
    font-size: 3rem;
  }
  .tab-slide .slide-desc br {
    display: none;
  }
}
/*
섹션 5*/
.sec-05 {
  overflow: hidden;
}
.sec-05 .sec-txt-wrap {
  margin: unset;
  align-items: flex-start;
}
.sec-05 .sec-tit {
  position: relative;
  width: -moz-fit-content;
  width: fit-content;
}
.sec-05 .sec-tit::after {
  opacity: 0.05;
  position: absolute;
  left: calc(100% + 5rem);
  content: "LAKE MATERIALS";
  font-size: 6.25vw;
  font-weight: 900;
  color: #1376C6;
  line-height: 1.2;
  white-space: nowrap;
}
.sec-05 .col-grid {
  display: grid;
  grid-template-columns: repeat(2, calc(50% - 1rem));
  gap: 2rem;
  margin: 8rem 0;
}
.sec-05 .item-header {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 2px solid #333;
}
.sec-05 .item-header .item-tit {
  margin-right: 2rem;
  font-weight: 800;
  color: #01518C;
}
.sec-05 .item-header .tab-wrap {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 4rem;
}
.sec-05 .item-header .tab-wrap li {
  position: relative;
  color: #939BA2;
}
.sec-05 .item-header .tab-wrap li::after {
  position: absolute;
  right: -1.95rem;
  content: "";
  width: 1px;
  height: 100%;
  font-weight: 500;
  background-color: #939BA2;
}
.sec-05 .item-header .tab-wrap li:last-child::after {
  display: none;
}
.sec-05 .item-header .tab-wrap li:hover, .sec-05 .item-header .tab-wrap li.active {
  font-weight: 800;
  color: #01518C;
}
.sec-05 .link-wrap {
  display: grid;
  grid-template-columns: repeat(2, 50%);
  height: -moz-fit-content;
  height: fit-content;
}
.sec-05 .link-wrap li {
  position: relative;
  padding-bottom: calc(40% + 0.2rem);
  height: 0;
}
.sec-05 .link-wrap li > a {
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  left: 0;
  top: 0;
  padding: 3rem 2rem;
  width: 100%;
  height: 100%;
  font-size: 1.8rem;
  flex-wrap: 700;
  background: url("../img/icon/b-link-btn.svg") right 0.4rem bottom 0.4rem no-repeat;
  background-color: #fff;
  border: 1px solid #E9EBEC;
}
.sec-05 .link-wrap li:hover > a {
  color: #fff;
  background-image: url("../img/icon/b-link-h-btn.svg");
  background-color: #01518C;
  border-color: #01518C;
}
.sec-05 .link-list li {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 2rem;
  padding: 3rem 2rem;
  font-size: var(--md-f);
  font-weight: 700;
  border-bottom: 1px solid #E9EBEC;
}
.sec-05 .link-list li > span {
  font-size: var(--sub-txt);
}
.sec-05 .link-list li > a {
  overflow: hidden;
  display: block;
  width: calc(100% - 5rem);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sec-05 .link-list li .date {
  color: #4F555A;
}

.panel-wrap .panel {
  overflow: hidden;
  display: none;
}

@media all and (max-width: 85.375rem) {
  .sec-05 .col-grid {
    margin-bottom: 0;
  }
  .sec-05 .link-wrap li {
    padding-bottom: calc(50% + 0.2rem);
  }
}
@media all and (max-width: 64rem) {
  .sec-05 .link-list li {
    padding: 2.2rem 2rem;
  }
}
@media all and (max-width: 63.9375rem) {
  .sec-05 .sec-tit::after {
    left: 70%;
    top: 60%;
  }
  .sec-05 .col-grid {
    grid-template-columns: minmax(auto, 100%);
    gap: 6rem 0;
    margin-bottom: 0;
  }
}
@media all and (max-width: 47.9375rem) {
  .col-grid {
    display: block;
  }
  .sec-05 .col-grid {
    margin: 4rem 0;
  }
  .sec-05 .link-wrap {
    display: block;
  }
  .sec-05 .item-header .tab-wrap {
    gap: 2rem;
  }
  .sec-05 .item-header .tab-wrap li::after {
    right: -0.96rem;
  }
  .sec-05 .link-list li {
    gap: 0.8rem 2rem;
    flex-wrap: wrap;
    padding: 1rem 1.5rem;
  }
  .sec-05 .link-list li .date {
    width: 100%;
    text-align: right;
  }
}