.sec_visual{
  height: 100vh;
}
.sec_visual > .img_box{
  position: absolute;
  top: 0; left: 0;
  width : 100%;
  height: 100%;
}
.sec_visual .main_swiper{
  position: relative;
  z-index : 10;
  height: 100%;
  overflow: hidden;
}
.sec_visual .swiper-slide{
  height: 100%;
  overflow: hidden;
}
.sec_visual .swiper-slide .inner_base{
  position: absolute;
  left: 50%; bottom: 7.5rem;
  transform: translateX(-50%);
  height: 18.875rem;
  padding-top: 2.125rem;
}
.sec_visual .swiper-slide a{
  padding-top: 5.875rem;
}
.sec_visual .swiper-slide a i{
  display: inline-block;
  width: 1rem;
  height: 1rem;
  margin-left: 0.625rem;
  background: url(../images/icons/ico_link_arrow.svg) no-repeat center / cover;
}
.sec_visual .img_box{
  width: 100%;
  height: 100%;
}
.sec_visual .img_box video,
.sec_visual .img_box img{
  width : 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.sec_visual .swiper_indicator {
  position: absolute;
  left: 50%;
  bottom: 11.25rem;
  z-index: 10;
  transform: translateX(-50%);
}
.sec_visual .swiper_pagination_custom {
  display : none;
  margin-bottom: 13.375rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.5)
}
.sec_visual .swiper_pagination_custom .current{
  font-weight: 400;
  color: rgba(255, 255, 255, 1)
}
.sec_visual .swiper_progress_bar {
  display : none;
  width: 40.625rem;
  height: 4px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.3);
  overflow: hidden;
}
.sec_visual .swiper_progress_bar .progress_fill {
  width: 0%;
  height: 100%;
  background: #fff;
  transition: none;
}
.sec_visual .inner_base{
  opacity: 1;
  visibility : visible;
  transition: opacity .25s ease-in-out, visibility .25s ease-in-out;
}
.sec_visual .inner_base.hide{
  opacity: 0;
  visibility : hidden;
}


.sec_card_slide .inner_base{
  position: relative;
  height: 100vh;
  padding-top: 14.836795252225519vh;
  padding-bottom: 14.836795252225519vh;
}
.sec_card_slide .card {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width : 100%;
  height: calc(100% - (14.836795252225519vh * 2));
  border-radius: 2.5rem;
  overflow: hidden;
}
@media all and (max-height: 1000px){
  .sec_card_slide .card {
    height: calc(100% - (14.836795252225519vh * 2));
  }
}
.sec_card_slide .card .img_box{
  height: 100%;
}
.sec_card_slide .card .img_box img{
  height: 100%;
  object-fit: cover;
}
.sec_card_slide .card .txt{
  position: absolute;
  top: 50%; bottom: auto;
  transform: translateY(-50%);
}
.sec_card_slide .card:nth-child(odd) .txt{
  left: 3.75rem;
}
.sec_card_slide .card:nth-child(even) .txt{
  right: 3.75rem;
}
.sec_card_slide .card:nth-child(1){z-index : 1 !important;}
.sec_card_slide .card:nth-child(2){z-index : 2 !important;}
.sec_card_slide .card:nth-child(3){z-index : 3 !important;}
.sec_card_slide .card:nth-child(4){z-index : 4 !important;}
.sec_card_slide .card:nth-child(5){z-index : 5 !important;}
.sec_card_slide .card a{
  margin-top : 2.5rem;
}
/* 핵심은 카드 각각이 겹쳐져 있어야 한다는 것뿐 → 기존 스타일 유지 */
.sec_card_slide .inner_base { position: relative; height: 100vh; }
.sec_card_slide .card {
  position: absolute;
  left: 50%;
}


.sec_cont2 .img_box{
  border-radius: 2.5rem;
  overflow: hidden;
}
.sec_cont2 .img_box img{
  height: 100%;
  object-fit: cover;
}

.sec_cont3.sec_news .swiper-wrapper{
  flex-direction: column;
  height: max-content;
}
.sec_cont3.sec_news li{
  height: max-content;
}
.sec_cont3.sec_news li:not(:last-child){
  margin-bottom : 3.75rem;
}
.sec_cont3.sec_news li a{
  display : grid;
}
.sec_cont3.sec_news li a .img_box{
  border-radius: 2.5rem;
  overflow: hidden;
}
.sec_cont3.sec_news li a .txt{
  padding-top: 2.5rem;
  padding-left: 5.875rem;
}
.sec_cont3.sec_news li h3{
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 120%;
  margin-bottom : 1.875rem;
}
.sec_cont3.sec_news li p{
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 150%;
  margin-bottom: 1.875rem;
}
.sec_cont3.sec_news li .date{
  font-size: 1.25rem;
  font-weight: 400;
}

.sec_cont4{position : relative;}
.sec_cont4 .inner_base{
  display : flex;
  flex-direction: column;
  justify-content: center;
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  height: 100%;
}

.sec_cont5{
  background-color: #231F20;
  overflow: hidden;
}
.sec_cont5 .inner_base{
  position: relative;
}
.sec_cont5 img{
  position : absolute;
  right : -10.875rem;
  bottom: -2.5rem;
  width : 21.25rem;
  height: auto;
}

@media all and (max-width: 768px){
  .sec_visual .swiper-slide{
    position: relative;
  }
  .sec_visual .swiper-slide a{
    padding-top: 0;
    margin-top: 66px;
  }
  .sec_visual .swiper-slide a:active{
    color: #fff;
  }
  .sec_visual .swiper-slide .inner_base{
    bottom: auto;
    top: calc(100% - 286px);
    height: max-content;
    min-height: 186px;
    padding-top: 0;
  }
  .sec_visual .swiper_pagination_custom{
    margin-bottom: 92px;
  }
  .sec_visual .swiper_indicator{
    bottom: 120px;
  }
  .sec_visual .swiper_progress_bar{
    width : 100%;
    height: 6px;
  }
  .sec_visual .swiper_progress_bar .progress_fill{
    border-radius: 6px;
  }
  .sec_visual .swiper-slide a i{
    width : 16px;
    height: 16px;
    margin-left : 10px;
    transform: translateY(2px);
  }

  .sec_card_slide .card{
    border-radius: 20px;
    height: calc(100% - 200px);
  }
  .sec_card_slide .card .txt{
    bottom: 40px;
    width : calc(100% - 40px);
  }
  .sec_card_slide .card:nth-child(odd) .txt{
    left: 20px;
  }
  .sec_card_slide .card:nth-child(even) .txt{
    right : auto;
    left: 20px;
  }
  .sec_card_slide .card a{
    margin-top : 30px;
  }

  .sec_cont2 .img_box{
    border-radius: 20px;
  }
  .sec_news{
    overflow: hidden;
  }
  .sec_cont3.sec_news .swiper-wrapper{
    flex-direction: row;
  }
  .sec_cont3.sec_news li{
    width : calc(100% - 20px);
  }
  .sec_cont3.sec_news li a{
    display: flex;
    flex-direction: column;
  }
  .sec_cont3.sec_news li a .img_box{
    border-radius: 20px;
  }
  .sec_cont3.sec_news li a .txt{
    padding: 20px 0 0 0;
  }
  .sec_cont3.sec_news li h3{
    margin-bottom : 20px;
    font-size: 20px;
  }
  .sec_cont3.sec_news li p{
    margin-bottom: 20px;
    font-size: 14px;
  }
  .sec_cont3.sec_news li .date{
    margin-bottom : 0;
    font-size: 12px;
  }
  .sec_cont3.sec_news li:not(:last-child){
    margin-bottom: 0;
  }
  .sec_cont3.sec_news .btn_st1.m_show{
    display : flex !important;
  }
  .sec_cont4 .inner_base{
    top: 0;
    transform: translateX(-50%);
    height: max-content;
  }
  .sec_cont5 img{
    width : 202px;
    right: -30px;
    bottom: -30px;
  }
}