/* 메인 컨텐츠 */
.main-content {
  overflow: hidden; 
  width: 100%; 
  height: 100%;
}

.video-bg {
  width: 100%;
  height: 100%;
}

.video-bg .item-video {
  position: relative;
  width: 100%;
  height: 100%;
}

.video-bg .item-video video {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.experience-inner {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex; 
  overflow: hidden;
}

.experience-item {
  opacity: 0;
  padding-left:19%; 
  width: 100%;
  transition: 1.2s; 
  box-sizing: border-box; 
  display: flex;
  align-items: center;
}

.experience-item.fix {
  padding-left: 11%;
  opacity: 1;
}

.experience {
  width:100%; 
  box-sizing: border-box;
  position: relative; 
}

.experience li {
  position: relative;
  width: 450px; 
  height:341px; 
  transition:0.5s; 
  padding:78px 44px 0 46px; 
  box-sizing:border-box;
}

.experience li:first-child {
  margin-left:0;
}

.experience li:hover {
  opacity:1;
}

.experience li:hover .square_line {
  opacity:1;
}

.experience li a {
  display:block; 
  text-decoration: none;
  color: #fff;
  opacity:0.5;
  transition:0.5s;
}

.experience p {
  font-size: 14px;
  color: #fff;
  font-weight: 400;
  margin-bottom: 17px;
}

.experience .line {
  width: 360px; 
  height: 4px; 
  margin-bottom: 40px; 
  background-color: #fff;
}

.experience h3 {
  font-size: 32px;
  color: #fff;
  font-weight: bold; 
  line-height:40px;
}

.experience .square_line {
  width: 334px; 
  height: 333px; 
  border: 4px solid #fff; 
  position: absolute; 
  top: 0px; 
  left: 0px;	
  opacity: 0;	
  transition:0.5s;
}

.experience li:hover a {
  opacity:1;
}

/* 페이징 */
.experience .swiper-pagination-progressbar.swiper-pagination-horizontal {
  width: 250px; 
  left: 50px; 
  bottom: -50px; 
  top:auto; 
  background: 
  none; 
  height: 2px;
}

.experience .swiper-pagination-progressbar .swiper-pagination-progressbar-fill {
  background: #fff;
}

/* about */
.about_cover_art {
  position: relative;
  overflow: hidden;
  width: 100%;
  min-height: 125vw;
}

.about_cover_art .full_bg {
  position: fixed;
  width: 100%;
  /* height: 100%; */
  transition:0.5s
}

.about_cover_art .full_bg figure {
  position: absolute;
  top: -48%;
  left: 0;
  width: 100%;
}

.about_cover_art .big_tit {
  position: absolute;
  top: 17vw;
  left: 0;
  width: 100%;
  z-index: 1;
}

.about_cover_art .big_tit .about_keyword {
  overflow: hidden;
  height: 12vw;
}

.about_cover_art .big_tit .about_keyword span {
  font-size: 12vw;
  line-height: 11vw;
  letter-spacing: -.08em;
  color:#F9F5EF;
  transform: translateY(100%);
  display: block;
  transition: .5s;
}

.about_cover_art .big_tit .about_keyword.on span {
  transform: translateY(0);
}

.about_cover_art .big_tit .about_keyword_1 {
  text-align: center;
}

.about_cover_art .big_tit .about_keyword_2 {
  text-align: left;
  font-style: italic;
  padding-left: 38%;
}

.about_cover_art .big_tit .about_keyword_3 {
  text-align: center;
}

.about_cover_art .pic_source {
  position: absolute;
  top: 51vw;
  left: 50%;
  width: 44%;
  height: 32vw;
  margin-left: -22%;
  display: table;
  overflow: hidden;
}

.about_cover_art .pic_source .source_inner {
  position: relative;
  overflow: hidden; 
  transform: scale(1.3);
  display: table-cell;
  vertical-align: middle;
}

.about_cover_art .pic_source .source_mask {
  z-index: 2;
  position: absolute;
  top: 0;
  left: 0;
  background-color: #fff;
  width: 100%;
  height: 100%;
  transition:.5s;
  opacity: 0.5;
}

.about_cover_art .pic_source .source_mask.on {
  transform: translate(100%, 0px);
}

.about_info_contact {
  height: 100%;
  display: flex; 
  align-items: center;
  justify-content: center;
  background: #fff;
  position: relative;
  overflow: hidden;
}

.about_info_contact .info {
  width: 1240px;
  padding: 0 50px;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

.about_info_contact .info .info_ex {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}

.about_info_contact .info span, .about_info_contact .info a {
  transition: transform .4s cubic-bezier(.215,.61,.355,1);
  transform:translateY(40px)
}

.about_info_contact .info .info_ex span {
  display: block;
  font-size: 30px;
  line-height: 1.47em;
  transform:translateY(40px)
}

.about_info_contact .info .info_ex span.sub {
  font-size: 20px;
  line-height: 1.4em;
}

.about_info_contact .info.on .mask_text span, .about_info_contact .info.on .mask_text a {
  transform:translateY(0)
}

.about_info_contact .info .info_contact {
  margin-top: 100px;
  font-size: 20px;
  line-height: 1.36em;
}

.about_info_contact .info .info_contact .info_contact_name {
  font-size: .8em;
}

.about_info_contact .info .info_contact .info_contact_value {
  font-weight: 700;
}

.txt_underline {
  position: relative;
  display: inline-block;
  line-height: 1em;
}

.txt_underline:after {
  content: "";
  transition: width .2s ease,left .2s ease,transform .2s ease;
  width: 0;
  height: calc(1px + 0.1em);
  background-color: #000;
  position: absolute;
  left: 50%;
  bottom: -0.15em;
}
.txt_underline:hover:after {
  width: 100%;
  left: 0;
}

/* experience */
.experience-contents {
  padding-top: 140px;
}

.experience_grid {
  margin: 0 50px;
  padding-bottom: 50px;
  overflow: hidden;
  transition: transform .6s cubic-bezier(.215,.61,.355,1);
  transform: unset;
}

.experience_list {
  margin: 0 auto;
  position: relative;
  width: 1400px;
  height: 100%;
  font-size: 0;
}

.experience_list li {
  display: inline-block;
  width: calc(25% - 20px);
  height: 330px;
  overflow: hidden;
  vertical-align: top;
  position: relative;
  transition:.3s;
  margin: 10px;
  box-sizing: border-box;
}

.experience_list li .item_frame {
  position: absolute;
  width: 100%;
  height: 100%;
}

.experience_list li:hover {
  transform:scale(.95);
}

.experience_list li .item_frame_pos {
  position: absolute;
  width: 100%;
  height: 100%;
  transition: .3s;
}

.experience_list li:hover .item_frame_pos {
  transform:scale(1.1);
}

.experience_list .item_frame .item_dimd_pos {
  position: absolute; 
  width: 100%; 
  height: 100%;
}

.experience_list .item_frame .item_visual_pos {
  position: absolute;
  width: 100%;
  height: 100%;
}

.experience_list .item_frame .item_dimd {
  position: absolute;
  width: 100%;
  height: 100%;
  background: #fff;
  transition:0.4s;
  z-index: 1;
}

.experience_list .item_frame .item_dimd.black_1 {
  background: #000;
}

.experience_list .item_frame .item_dimd.pnt_1 {
  background: #da1f62;
}

.experience_list .item_frame .item_dimd.pnt_2 {
  background: #05f3f4;
}

.experience_list .item_frame .item_dimd.pnt_3 {
  background: #85cdff;
}

.experience_list .item_frame .item_dimd.pnt_4 {
  background: #3f3d3a;
}

.experience_list .item_frame .item_dimd.pnt_5 {
  background: #436ecc;
}

.experience_list .item_frame .item_dimd.pnt_6 {
  background: #c3c3c6;
}

.experience_list .item_frame .item_dimd.pnt_7 {
  background: #e1e1e1;
}

.experience_list .item_frame .item_visual {
  position: absolute;
  width: 100%;
  height: 100%;
  transition:0.3s;
  transition-delay: .5s; 
  overflow: hidden;
}

.experience_list .item_frame .item_visual .item_detail {
  display: table;
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  text-align: center;
  background: #0b21ee;
  background: rgba(0,0,0,.9);
  z-index: 0;
  opacity: 0;
  -webkit-transition: opacity 450ms;
  transition: opacity 450ms;
}

.experience_list .item_frame .item_visual .item_detail .item_inner {
  display: table-cell;
  vertical-align: middle;
}

.experience_list .item_frame .item_visual .item_detail .item_inner h2 {
  font-size: 30px;
  font-weight: 900;
  line-height: 40px; 
  color:#fff;
  transition: .3s;
  transform:translateY(78%)
}
.experience_list .item_frame .item_visual .item_detail .item_inner p {
  margin-top: 10px;
  font-size: 12px;
  font-weight: 400;
  color:#fff;
  transition: .3s;
  transform:translateY(78%)
}

.experience_list .item_frame .item_visual:hover .item_detail {
  opacity: 1;
}

.experience_list .item_frame .item_visual:hover .item_detail .item_inner h2, .experience_list .item_frame .item_visual:hover .item_detail .item_inner p {
  transform:translateY(0)
}

.experience_list .item_frame.on1_1, .experience_list .item_frame.on1_5 {
  top: -100%;
}

.experience_list .item_frame.on1_2, .experience_list .item_frame.on1_6 {
  right: -100%;
}

.experience_list .item_frame.on1_3, .experience_list .item_frame.on1_7 {
  bottom: -100%;
}

.experience_list .item_frame.on1_4, .experience_list .item_frame.on1_8 {
  left: -100%;
}

.experience_list .item_frame.on1_2 .item_frame_pos {
  transition-delay: .1s;
}
.experience_list .item_frame.on1_3 .item_frame_pos {
  transition-delay: .2s;
}
.experience_list .item_frame.on1_4 .item_frame_pos {
  transition-delay: .3s;
}
.experience_list .item_frame.on1_5 .item_frame_pos {
  transition-delay: .4s;
}
.experience_list .item_frame.on1_6 .item_frame_pos {
  transition-delay: .5s;
}
.experience_list .item_frame.on1_7 .item_frame_pos {
  transition-delay: .6s;
}
.experience_list .item_frame.on1_8 .item_frame_pos {
  transition-delay: .7s;
}

.experience_list .item_frame.on1_1 .item_frame_pos, .experience_list .item_frame.on1_5 .item_frame_pos {
  transform:translateY(100%);
}

.experience_list .item_frame.on1_2 .item_frame_pos, .experience_list .item_frame.on1_6 .item_frame_pos {
  transform:translateX(-100%);
}

.experience_list .item_frame.on1_3 .item_frame_pos, .experience_list .item_frame.on1_7 .item_frame_pos {
  transform:translateY(-100%);
}

.experience_list .item_frame.on1_4 .item_frame_pos, .experience_list .item_frame.on1_8 .item_frame_pos {
  transform:translateX(100%);
}

.experience_list .item_frame .item_frame_pos .item_dimd.on1_1 {
  transition-delay: .8s;
}
.experience_list .item_frame .item_frame_pos .item_dimd.on1_2 {
  transition-delay: .9s;
}
.experience_list .item_frame .item_frame_pos .item_dimd.on1_3 {
  transition-delay: 1s;
}
.experience_list .item_frame .item_frame_pos .item_dimd.on1_4 {
  transition-delay: 1.1s;
}
.experience_list .item_frame .item_frame_pos .item_dimd.on1_5 {
  transition-delay: 1.2s;
}
.experience_list .item_frame .item_frame_pos .item_dimd.on1_6 {
  transition-delay: 1.3s;
}
.experience_list .item_frame .item_frame_pos .item_dimd.on1_7 {
  transition-delay: 1.4s;
}
.experience_list .item_frame .item_frame_pos .item_dimd.on1_8 {
  transition-delay: 1.5s;
}

.experience_list .item_frame .item_frame_pos .item_dimd.on1_1, .experience_list .item_frame .item_frame_pos .item_dimd.on1_2 {
  transform:translateY(-100%);
}

.experience_list .item_frame .item_frame_pos .item_dimd.on1_5, .experience_list .item_frame .item_frame_pos .item_dimd.on1_3 {
  transform:translateX(100%);
}

.experience_list .item_frame .item_frame_pos .item_dimd.on1_6, .experience_list .item_frame .item_frame_pos .item_dimd.on1_7 {
  transform:translateY(100%);
}

.experience_list .item_frame .item_frame_pos .item_dimd.on1_4, .experience_list .item_frame .item_frame_pos .item_dimd.on1_8 {
  transform:translateX(-100%);
}

.experience_category {
  position: fixed;
  width: auto;
  height: auto;
  z-index: 50;
  top: 50%;
  left: 50px;
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  transform: translateY(-50%) translateZ(0);
  -webkit-transform: translateY(-50%) translateZ(0);
  transition: margin .5s cubic-bezier(.215,.61,.355,1) .1s,opacity .3s ease;
}

.category_tit {
  cursor: pointer;
  margin: 0.1em 0;
  line-height: .9em;
  font-size: 131px;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: calc(0.005em + 1px) #000;
  transition: transform .3s ease,color .2s ease;
}

.category_tit.selected {
  color: #000!important;
}

.category_tit:hover {
  transform: scale(.89);
  color: #000;
}

/* 미디어쿼리 */
@media (max-width: 1500px) {
  .experience_list {
    width: 100%;
  }

  .experience_list li {
    height: 22vw;
  }

  .about_info_contact .info .info_ex {
    display: block;
  }
}

@media (max-width: 1240px) {
  .about_info_contact .info {
    width: 100%;
  }

  .about_info_contact .info .info_ex {
    display: block;
  }
  
  .experience-contents {
    padding-top: 95px;
  }

  .experience_grid {
    margin: 0 25px;
  }

  .experience_list li {
    width: calc(33.3% - 20px);
    height: 30vw;
  }
  
}

@media (max-width: 860px) {
  .experience_list {
    width: 100%;
  }

  .experience_list li {
    margin: 5px;
    width: calc(50% - 10px);
    height: 46vw;
  }
}

@media (max-width: 760px) {
  .experience_grid {
    margin: 0;
  }

  .experience_list li {
    margin: 0;
    width: 50%;
    height: 50vw;
  }
}

@media (max-width: 540px) {
  header h1 {
    left: 20px;
  }

  header .header_menu_button {
    right: 20px;
  }

  .experience-item.fix {
    padding-left: 5%;
  }

  .experience li {
    width: 320px;
    height: 270px;
    padding: 40px 55px 0 20px;
  }

  .experience p {
    margin-bottom: 10px;
  }

  .experience h3 {
    font-size: 28px;
    line-height: 34px;
  }
  /* .experience li span {
    font-size: 14px;
  } */

  .experience .line {
    width: 281px;
    margin-bottom: 20px;
  }
  .experience .square_line {
    width: 278px;
    height: 270px;
  }

  .experience .swiper-pagination-progressbar.swiper-pagination-horizontal {
    left: 20px;
    bottom: -25px;
  }

  .experience_list li {
    margin: 10px 20px;
    width: calc(100% - 40px);
    height: 89vw;
  }

  .about_cover_art .big_tit {
    top: 27vw; 
  }

  .about_cover_art .pic_source {
    top: 60vw;
    width: 60%;
    margin-left: -30%;
  }

  .about_info_contact {
    padding: 30px 0;
    height: auto;
  }

  .about_info_contact .info {
    padding:0 20px;
  }

  .about_info_contact .info .info_ex span {
    font-size: 20px;
  }

  .about_info_contact .info .info_ex span.sub {
    font-size: 16px;
  }
}