.ch {
  position: relative;
  z-index: 0;
}

.ch-img {
  position: absolute;
  width: 100%;
  height: 350px;
  background-color: #000;
  overflow: hidden;
  z-index: -1;
}

.ch-img img {
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -30%);
          transform: translate(-50%, -30%);
  width: 100%;
  height: 170%;
  -o-object-fit: cover;
     object-fit: cover;
  opacity: 0.8;
}

@media screen and (max-width: 600px) {
  .ch-img img {
    -webkit-transform: translate(-50%, -60%);
            transform: translate(-50%, -60%);
    height: 125%;
  }
}
.ch-wrap {
  position: relative;
  width: 100%;
  height: 350px;
  max-width: 1100px;
  margin: 0 auto;
}

.ch-board {
  position: relative;
  top: 25%;
  left: 0;
  width: 350px;
  background-color: #fff;
  text-align: center;
  padding: 40px 0 45px 0;
}

@media screen and (max-width: 600px) {
  .ch-board {
    left: calc((100% - 300px) / 2);
    width: 280px;
  }
}
.ch-board::after {
  content: "";
  position: absolute;
  top: 20px;
  left: 20px;
  width: 100%;
  height: 100%;
  background-color: #1bb3e0;
  z-index: -1;
}

.ch-tit {
  display: inline-block;
  font-size: 24px;
  font-weight: bold;
  letter-spacing: 2px;
  background-image: linear-gradient(to left, #1bb3e0 5px, transparent 5px);
  background-size: 10px 3px;
  background-repeat: repeat-x;
  background-position: bottom;
  padding-bottom: 10px;
}

@media screen and (max-width: 600px) {
  .ch-tit {
    font-size: 20px;
  }
}
.ch-tit p {
  color: #1bb3e0;
  font-family: "Jost", sans-serif;
  font-size: 18px;
  margin-bottom: 10px;
}

@media screen and (max-width: 600px) {
  .ch-tit p {
    font-size: 16px;
    margin-bottom: 5px;
  }
}
.ch-grid {
  position: absolute;
  display: grid;
  grid-template-columns: 1fr;
  width: 100%;
  height: 350px;
  z-index: -1;
}

@media screen and (max-width: 600px) {
  .ch-grid {
    height: 450px;
  }
}
.ch-cell {
  position: relative;
  display: block;
  background-color: #000;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.ch-cell:hover img {
  -webkit-transform: scale(1.1);
          transform: scale(1.1);
  opacity: 0.5;
}

.ch-cell img {
  position: absolute;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  opacity: 0.7;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}

.ch-cell ._01 {
  top: 0;
  width: 132%;
  -o-object-position: 50% 22%;
     object-position: 50% 22%;
}

@media screen and (max-width: 600px) {
  .ch-cell ._01 {
    top: -12%;
    width: 100%;
    height: 115%;
    -o-object-position: 40% 50%;
       object-position: 40% 50%;
  }
}
.ch-cell ._02 {
  top: 0;
  -o-object-position: 50% 16%;
     object-position: 50% 16%;
}

@media screen and (max-width: 600px) {
  .ch-cell ._02 {
    top: -2%;
    height: 105%;
    -o-object-position: 55% 50%;
       object-position: 55% 50%;
  }
}
.ch-txt {
  position: absolute;
  bottom: 50px;
  color: #fff;
  font-size: 12px;
  font-weight: bold;
  line-height: 20px;
}

@media screen and (max-width: 600px) {
  .ch-txt {
    bottom: 60px;
    width: 100%;
    font-size: 10px;
    line-height: 18px;
    text-align: center;
    white-space: nowrap;
  }
  .ch-txt::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -25px;
    -webkit-transform: translateX(-50%) rotate(45deg);
            transform: translateX(-50%) rotate(45deg);
    width: 10px;
    height: 10px;
    border-right: 1px solid #fff;
    border-bottom: 1px solid #fff;
  }
}
.ch-txt span {
  display: inline-block;
  font-size: 18px;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

@media screen and (max-width: 600px) {
  .ch-txt span {
    font-size: 14px;
    margin-bottom: 5px;
  }
}
.ch ._left {
  left: 60px;
}

@media screen and (max-width: 600px) {
  .ch ._left {
    left: 50%;
    -webkit-transform: translateX(-50%);
            transform: translateX(-50%);
  }
}
.ch ._right {
  right: 60px;
}

@media screen and (max-width: 600px) {
  .ch ._right {
    left: 50%;
    -webkit-transform: translateX(-50%);
            transform: translateX(-50%);
  }
}
.document {
  max-width: 1100px;
  margin: 100px auto 120px auto;
  text-align: center;
}

@media screen and (max-width: 600px) {
  .document {
    margin: 60px 20px;
  }
}
.document-line {
  position: absolute;
  bottom: -5px;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
}

.document-line span {
  position: relative;
  display: block;
  width: 300px;
}

@media screen and (max-width: 600px) {
  .document-line span {
    width: 280px;
  }
}
.document-line span::before,
.document-line span::after {
  content: "";
  position: absolute;
  bottom: 4px;
}

.document-line .left::before {
  left: -10px;
  width: 20px;
  height: 10px;
  background-image: linear-gradient(to right, #1bb3e0 5px, transparent 5px);
  background-size: 10px 3px;
  background-repeat: repeat-x;
  -webkit-transform: rotate(45deg);
          transform: rotate(45deg);
}

.document-line .left::after {
  left: 15px;
  height: 30px;
  border-left: 3px solid #fa1b1b;
  -webkit-transform: rotate(-30deg);
          transform: rotate(-30deg);
}

.document-line .right::before {
  right: 5px;
  height: 15px;
  border-left: 3px solid #fa1b1b;
  -webkit-transform: rotate(50deg);
          transform: rotate(50deg);
}

.document-line .right::after {
  right: -1px;
  width: 30px;
  height: 22px;
  background-image: linear-gradient(to right, #1bb3e0 5px, transparent 5px);
  background-size: 10px 3px;
  background-repeat: repeat-x;
  -webkit-transform: rotate(-58deg);
          transform: rotate(-58deg);
}

.document-tit {
  position: relative;
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 15px;
}

@media screen and (max-width: 600px) {
  .document-tit {
    font-size: 14px;
    margin-bottom: 10px;
  }
}
.document-img {
  position: relative;
  display: block;
  background-image: url("../../../../images/document.jpg");
  background-size: 100%;
  background-repeat: no-repeat;
  background-position: center;
  color: #fff;
  font-size: 22px;
  font-weight: bold;
  letter-spacing: 1px;
  border-radius: 10px;
  padding: 80px 0;
  z-index: 0;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}

@media screen and (max-width: 600px) {
  .document-img {
    font-size: 18px;
    padding: 60px;
  }
}
.document-img::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  background-color: #000;
  width: 100%;
  height: 100%;
  border-radius: 10px;
  opacity: 0.3;
  z-index: -1;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}

.document-img:hover {
  background-size: 105%;
}

.document-img:hover::before {
  opacity: 0.5;
}

.slider {
  margin-top: 100px;
}
@media screen and (max-width: 600px) {
  .slider {
    margin-top: 16.0000002vw;
  }
}
.slider-tit {
  font-family: "Jost", sans-serif;
  font-weight: bold;
  max-width: 1100px;
  color: #1bb3e0;
  font-size: 60px;
  letter-spacing: 0.06em;
  line-height: 0.6;
  padding-left: 20px;
  margin: 0 auto;
}
@media screen and (max-width: 600px) {
  .slider-tit {
    font-size: 9.60000012vw;
    padding-left: 5.3333334vw;
  }
}
.slider-wrap {
  position: relative;
  padding: 55px 0 10px;
}
@media screen and (max-width: 600px) {
  .slider-wrap {
    padding: 8.0000001vw 0;
  }
}
.slider-wrap::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 370px;
  background-color: #1bb3e0;
  z-index: -1;
}
@media screen and (max-width: 600px) {
  .slider-wrap::after {
    height: 100%;
  }
}
.slider-list {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
}
.slider-item a {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  gap: 40px;
}
@media screen and (max-width: 600px) {
  .slider-item a {
    display: block;
  }
}
.slider-item a:hover .slider-thumb {
  -webkit-transform: rotate(0);
          transform: rotate(0);
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
.slider-item a:hover .slider-thumb img {
  -webkit-filter: brightness(1.1);
          filter: brightness(1.1);
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
.slider-img {
  padding: 15px 20px 50px;
}
@media screen and (max-width: 600px) {
  .slider-img {
    padding: 4.00000005vw;
  }
}
.slider-thumb {
  background-color: #fff;
  width: 525px;
  aspect-ratio: 3/2;
  -webkit-box-shadow: 3px 3px 25px 0 rgba(0, 0, 0, 0.1);
          box-shadow: 3px 3px 25px 0 rgba(0, 0, 0, 0.1);
  -webkit-transform: rotate(-3deg);
          transform: rotate(-3deg);
  padding: 10px;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
@media screen and (max-width: 600px) {
  .slider-thumb {
    width: 100%;
    padding: 2.13333336vw;
  }
}
.slider-thumb img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
.slider-info {
  margin-top: 30px;
}
@media screen and (max-width: 600px) {
  .slider-info {
    margin: 8.0000001vw 5.3333334vw 0;
  }
}
.slider-cat {
  display: inline-block;
  background-color: #fff;
  color: #1bb3e0;
  font-size: 14px;
  font-weight: bold;
  padding: 4px 20px;
}
@media screen and (max-width: 600px) {
  .slider-cat {
    font-size: 3.20000004vw;
    padding: 0.53333334vw 4.00000005vw;
  }
}
.slider-txt {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  color: #fff;
  font-size: 24px;
  font-weight: bold;
  line-height: 1.8;
  overflow: hidden;
  margin: 20px 0;
}
@media screen and (max-width: 600px) {
  .slider-txt {
    font-size: 4.80000006vw;
    margin: 4.00000005vw 0;
  }
}
.slider-item_tag {
  display: inline-block;
  color: #fff;
  font-size: 12px;
  font-weight: bold;
  border: 1px solid #fff;
  border-radius: 3px;
  padding: 0px 7px;
  margin: 0 5px 10px 0;
}
@media screen and (max-width: 600px) {
  .slider-item_tag {
    font-size: 2.6666667vw;
    border-radius: 0.80000001vw;
    padding: 0px 1.86666669vw;
  }
}
@media screen and (max-width: 600px) {
  .slider-item_tag {
    margin: 0 1.33333335vw 1.33333335vw 0;
  }
}
.slider-arrow {
  position: absolute;
  top: 50%;
  -webkit-transform: translateY(-200%);
          transform: translateY(-200%);
  width: 50px;
  height: 50px;
  border: 1px solid #fff;
  border-radius: 50%;
}
@media screen and (max-width: 600px) {
  .slider-arrow {
    display: none !important;
  }
}
.slider-arrow::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  border-top: 2px solid #fff;
}
.slider-arrow.prev {
  left: -90px;
}
.slider-arrow.prev::after {
  border-left: 2px solid #fff;
  -webkit-transform: translate(-35%, -50%) rotate(-45deg);
          transform: translate(-35%, -50%) rotate(-45deg);
}
.slider-arrow.next {
  right: -90px;
}
.slider-arrow.next::after {
  border-right: 2px solid #fff;
  -webkit-transform: translate(-65%, -50%) rotate(45deg);
          transform: translate(-65%, -50%) rotate(45deg);
}
.slider-dots {
  display: none !important;
  bottom: -8.0000001vw;
}
.slider-dots li button::before {
  font-size: 40px !important;
}
@media screen and (max-width: 600px) {
  .slider-dots {
    display: block !important;
  }
}

.search {
  padding: 80px 0 60px;
}
@media screen and (max-width: 600px) {
  .search {
    padding: 16.0000002vw 5.3333334vw 0;
  }
}
.search-tit {
  max-width: 1100px;
  font-size: 20px;
  font-weight: bold;
  margin: 0 auto;
}
@media screen and (max-width: 600px) {
  .search-tit {
    font-size: 4.26666672vw;
  }
}

.article {
  max-width: 1100px;
  margin: 0 auto;
}
@media screen and (max-width: 600px) {
  .article {
    margin: 13.3333335vw 5.3333334vw 0;
  }
}
.article-list {
  margin: 0 -5px 50px;
}
@media screen and (max-width: 600px) {
  .article-list {
    margin: 0 -0.80000001vw 8.0000001vw;
  }
}
.article-item {
  display: inline-block;
  background-color: #f8f8f8;
  color: #c2c2c2;
  font-size: 14px;
  font-weight: bold;
  letter-spacing: 0.08em;
  border-radius: 100vh;
  padding: 7px 50px;
  margin: 0 5px;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
  cursor: pointer;
}
@media screen and (max-width: 600px) {
  .article-item {
    font-size: 2.93333337vw;
    padding: 1.33333335vw 8.0000001vw;
    margin: 0 0.80000001vw;
  }
}
.article-item:hover {
  background-color: #1bb3e0;
  color: #fff;
}
.article-item.selected {
  background-color: #1bb3e0;
  color: #fff;
}
.article-flex {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  gap: 70px;
}
@media screen and (max-width: 600px) {
  .article-flex {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    gap: 16.0000002vw;
  }
}
.article-content {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  -webkit-column-gap: 30px;
     -moz-column-gap: 30px;
          column-gap: 30px;
  row-gap: 70px;
}
@media screen and (max-width: 600px) {
  .article-content {
    grid-template-columns: 1fr;
    gap: 10.6666668vw;
  }
}
.article-thumb {
  position: relative;
  background-color: #c2c2c2;
  width: 100%;
  aspect-ratio: 3/2;
}
.article-thumb img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}
.article-cat {
  position: absolute;
  bottom: 0;
  left: 0;
  background-color: #fff;
  color: #1bb3e0;
  font-size: 12px;
  font-weight: bold;
  padding: 5px 15px;
}
@media screen and (max-width: 600px) {
  .article-cat {
    font-size: 3.20000004vw;
    padding: 1.33333335vw 4.00000005vw;
  }
}
.article-tit {
  font-size: 20px;
  font-weight: bold;
  line-height: 1.8;
  margin: 20px 0;
}
@media screen and (max-width: 600px) {
  .article-tit {
    font-size: 4.26666672vw;
    margin: 2.6666667vw 0;
  }
}
.article-tit a {
  -webkit-transition: all 0.2s;
  transition: all 0.2s;
}
.article-tit a:hover {
  color: #1bb3e0;
}
.article-item_tag {
  display: inline-block;
  color: #9f9f9f;
  font-size: 12px;
  font-weight: bold;
  border: 1px solid #9f9f9f;
  border-radius: 3px;
  padding: 0px 7px;
  margin-right: 10px;
  margin-bottom: 10px;
}
@media screen and (max-width: 600px) {
  .article-item_tag {
    font-size: 2.6666667vw;
    border-radius: 0.80000001vw;
    padding: 0px 1.86666669vw;
  }
}
@media screen and (max-width: 600px) {
  .article-item_tag {
    margin-right: 1.33333335vw;
    margin-bottom: 1.33333335vw;
  }
}
.article-wrap {
  width: 100%;
  padding: 80px 0;
}
@media screen and (max-width: 600px) {
  .article-wrap {
    padding: 2.6666667vw 0;
  }
}
.article-wrap p {
  font-size: 14px;
  text-align: center;
}
@media screen and (max-width: 600px) {
  .article-wrap p {
    font-size: 3.20000004vw;
  }
}
.article-menu {
  width: 100%;
  max-width: 250px;
}
@media screen and (max-width: 600px) {
  .article-menu {
    max-width: 100%;
  }
}
.article-item_menu:first-child {
  margin-bottom: 80px;
}
@media screen and (max-width: 600px) {
  .article-item_menu:first-child {
    margin-bottom: 13.3333335vw;
  }
}
.article-head {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  border-bottom: 1px solid #c2c2c2;
  padding-bottom: 6px;
}
@media screen and (max-width: 600px) {
  .article-head {
    padding-bottom: 1.60000002vw;
  }
}
.article-head h3 {
  font-family: "Jost", sans-serif;
  font-weight: bold;
  font-size: 20px;
  letter-spacing: 0.03em;
}
@media screen and (max-width: 600px) {
  .article-head h3 {
    font-size: 4.80000006vw;
  }
}
.article-head span {
  color: #c2c2c2;
  font-size: 12px;
  margin-left: 15px;
}
@media screen and (max-width: 600px) {
  .article-head span {
    font-size: 2.6666667vw;
    margin-left: 4.00000005vw;
  }
}
.article-search {
  width: 100%;
  background-color: #f8f8f8;
  border-radius: 100vh;
  padding: 10px 25px;
  margin: 25px 0 10px;
}
@media screen and (max-width: 600px) {
  .article-search {
    padding: 2.6666667vw 6.66666675vw;
    margin: 6.66666675vw 0 2.6666667vw;
  }
}
.article-btn {
  width: 100%;
  background-color: #000;
  color: #fff;
  font-weight: bold;
  text-align: center;
  border-radius: 100vh;
  padding: 10px 25px;
  -webkit-transition: all 0.2s;
  transition: all 0.2s;
}
@media screen and (max-width: 600px) {
  .article-btn {
    padding: 2.6666667vw 6.66666675vw;
  }
}
.article-btn:hover {
  opacity: 0.7;
}
.article-list_search {
  margin-top: 25px;
}
@media screen and (max-width: 600px) {
  .article-list_search {
    margin-top: 6.66666675vw;
  }
}
.article-item_search {
  display: inline-block;
  color: #1bb3e0;
  font-size: 12px;
  font-weight: bold;
  border: 1px solid #1bb3e0;
  border-radius: 3px;
  padding: 0px 7px;
  font-size: 14px;
  margin-right: 7px;
  margin-bottom: 15px;
  -webkit-transition: opacity 0.2s;
  transition: opacity 0.2s;
}
@media screen and (max-width: 600px) {
  .article-item_search {
    font-size: 2.6666667vw;
    border-radius: 0.80000001vw;
    padding: 0px 1.86666669vw;
  }
}
@media screen and (max-width: 600px) {
  .article-item_search {
    font-size: 3.73333338vw;
    margin-right: 1.86666669vw;
    margin-bottom: 4.00000005vw;
  }
}
.article-item_search:hover {
  opacity: 0.7;
}