:root{
  --project-primary-color: #1B83C6
}
@import url(https://cdn.rawgit.com/moonspam/NanumSquare/master/nanumsquare.css);
/* 0. common */

*{
  font-family: 'NanumSquareNeo', sans-serif;
  font-weight: 500;
}

.header{
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 15px;
  width: 100%;
  height: 60px;
  box-sizing: border-box;
}
.container{
  height: 100%;
}
.container.hall .header{
  background-color: #000;
}
.container.hall .header::before{
  content: "";
  width: 110px;
}
.main_logo{
  width: 166px;
  height: 40px;
  background: url('../../static/img/main_logo.svg') no-repeat center center / contain;
}
.main_logo img{
  height: 100%;
}

.btn_box{
  display: inline-block;
  vertical-align: middle;
}
.btn.btn_default{
  padding: 10px 50px;
  color: #fff;
  font-size: 20px;
  border-color: #fff;
  background-color: transparent;
}
.chrome_download{
  position: fixed;
  bottom: 20px;
  right: 20px;
}
.chrome_download .msg{
  color: #fff;
}

.hidden{
  display: none !important;
}
.is_visible{
  display: block !important;
}

/* 0-1.project gnb */
/* gnb_bg(video) */
.gnb_bg_box {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
}
.gnb_bg_box.is_active {
  display: block;
}
.gnb_video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gnb_wrap {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  z-index: 999;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.gnb_wrap.is_active {
  display: block;
}

.gnb_box,
.gnb_nav,
.gnb_list {
  width: 100%;
  height: 100%;
}

.gnb_list {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.gnb_list .gnb_item {
  flex: 1;
  height: 85%;
}

.gnb_list .gnb_item .gnb_item_inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  width: 100%;
  color: rgba(255, 255, 255, 0.8);
  transition: all 0.3s;
  text-shadow: 2px 2px 3px rgba(0, 0, 0, 0.4);
  font-size: 16px;
  line-height: 1.8;
}

.gnb_list .gnb_item .addon-child{
  padding: 30px 0;
}
.gnb_list .gnb_item .addon-child~.depth_box .depth_list .depth_item:first-of-type{
  margin: 0 0 15px;
}
.gnb_list .gnb_item .addon-child~.addon-child{
  border-top: 1px solid rgba(255, 255, 255, 0.4);
}

.gnb_list .gnb_item+.gnb_item {
  border-left: 1px solid rgba(255, 255, 255, 0.4);
}

.gnb_list .gnb_item .title_btn {
  color: #fff;
  text-shadow: 2px 2px 3px rgba(0, 0, 0, 0.7);
  font-size: 1.4em;
}
.gnb_list .gnb_item .title_btn span{
  font-weight: 900;
}

.gnb_item.is_active .depth_box {
  display: block;
}

.depth_box {
  display: none;
}

.depth_list .depth_item {
  margin: 15px 0;
}

.depth_list .depth_item a {
  padding: 5px 0;
  display: block;
  color: #fff;
  line-height: 1;
}

.util_wrap {
  position: relative;
  z-index: 1000;
}

.util_list {
  display: flex;
}

.util_list .util_item+.util_item {
  margin-left: 10px;
}

.util_item .util_btn {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 100%;
  background: linear-gradient(#302E42, #0A090D);
  border: 2px solid #302E42;
}

.util_audio .util_btn:after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: url(../../static/img/icon/ico-mute.svg) no-repeat center / 45% auto;
}

.util_audio .util_btn.is_unmute {
  border-color: #4b3065;
  background: linear-gradient(#6D0DCC, #520f95);
}

.util_audio .util_btn.is_unmute:after {
  background-image: url(../../static/img/icon/ico-unmute.svg)
}

.container.hall .util_audio{
  display: none;
}

.util_menu .util_btn i {
  width: 16px;
  height: 2px;
  background-color: #fff;
  display: block;
  margin: 3px auto;
  border-radius: 1.5px;
  -webkit-transition: all 0.3s ease-in-out;
  -o-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
}

.util_menu .util_btn.is_active i:nth-of-type(2) {
  opacity: 0;
}

.util_menu .util_btn.is_active i:nth-of-type(1) {
  -webkit-transform: translateY(6px) rotate(45deg);
  -ms-transform: translateY(6px) rotate(45deg);
  -o-transform: translateY(6px) rotate(45deg);
  transform: translateY(6px) rotate(45deg);
}

.util_menu .util_btn.is_active i:nth-of-type(3) {
  -webkit-transform: translateY(-4px) rotate(-45deg);
  -ms-transform: translateY(-4px) rotate(-45deg);
  -o-transform: translateY(-4px) rotate(-45deg);
  transform: translateY(-4px) rotate(-45deg);
}

.fadeOut-effect {
  animation: fadeOut-effect .5s ease-in-out forwards;
}

/* 1. start modal */
.start-modal{
  opacity: 1;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 100;
  background-color: rgba(0, 0, 0, .4);
  transition: opacity 0.2s;
}
.start-modal.is_dimed{
  opacity: 0;
}
.start-modal .modal-contents{
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  text-align: center;
}
.start-modal .modal-contents .modal-title{
  margin-bottom: 60px;
  color: #fff;
  font-size: 36px;
  text-align: center;
}
.start-modal .modal-contents .modal-title .desc{
  font-size: 16px;
}
.intro-skip-box{
  display: none;
  position: fixed;
  z-index: 150;
  bottom: 50px;
  left: 50%;
  transform: translateX(-50%)
}
.main_video{
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.pre_video_wrap{
  height: 100%;
  overflow-y: hidden;
}
.wrap_scroll{
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 100%;
}
.mobile-modal {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: 1000;
  transform: translate(-50%, -50%);
  background: rgba(0, 0, 0, 0.3);
  border-radius: 15px;
  padding: 20px 30px;
}
.mobile-modal .mobile-modal-bg{
  display: flex;
  align-items: center;
  justify-content: center;
}
.mobile-modal .mobile-modal-bg .swipe-arrow{
  width: 30%;
}
.mobile-modal .mobile-modal-bg .swipe-icon {
  width: 40%;
  text-align: center;
  animation: swipe-icon 0.6s ease-in-out infinite alternate;
  transform: translateX(0);
}
.mobile-modal .mobile-modal-bg .swipe-icon img{
  width: 40%;
}
.mobile-modal .swipe-desc {
  font-size: 20px;
  color: #fff;
  text-align: center;
  word-break: keep-all;
}

/* 2. lobby contents */
.content{
  display: none;
}
.lobby_box{
  position: absolute;
  top: 0;
  left: 0;
  z-index: 150;
  width: 100%;
  height: 100%;
  text-align: center;
  background: url('../../static/img/bg-landing.png') no-repeat center center / cover;
}
.entry_video{
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  background-color: #ddd;
}
.entry_video_player{
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.entry_video_skip_box{
  position: fixed;
  left: 50%;
  bottom: 30px;
  z-index: 1001;
  transform: translateX(-50%);
}
.entry_video_skip{
  padding: 10px 30px;
  color: #fff;
  font-size: 20px;
  text-align: center;
  border-radius: 30px;
  background-color: #ff4141;
}

/* 2-1. lobby anchor item */
.lobby_box .lobby_btn_wrap{
  position: relative;
  width: 100%;
  height: 100%;
}
.lobby_box .bg_img_island{
  position: absolute;
  top: 50%;
  right: 0;
  z-index: 100;
  transform: translateY(-50%);
}
.lobby_box .bg_img_island img{
  position: relative;
  z-index: 110;
  max-width: initial;
}
.lobby_box .bg_img_island .use_dimed{
  opacity: 0;
  position: absolute;
  left: 0;
  z-index: 120;
  width: 100%;
  height: 100%;
  transition: opacity 0.05s;
  background-color: rgba(0, 0, 0, .7)
}
.lobby_box .bg_img_island .use_dimed.top{
  bottom: 100%;
}
.lobby_box .bg_img_island .use_dimed.btm{
  top: 100%;
}
.lobby_box .bg_img_island .lobby_desc{
  position: fixed;
  bottom: 120px;
  right: 45px;
  z-index: 150;
  padding: 30px;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  text-align: right;
  letter-spacing: 0;
}
.lobby_box .lobby_btn_item{
  position: absolute;
  z-index: 130;
}
.bg_img_island.is_dimed .lobby_btn_item:not(.is_hover){
  opacity: .5;
}
.lobby_box .lobby_btn_item .lobby_btn{
  position: relative;
  z-index: 130;
  padding: 50px 0;
}
.lobby_box .lobby_btn_item span{
  position: relative;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 0;
  transition: font-size .25s
}
.lobby_box .lobby_btn_item .desc{
  display: block;
  font-size: 14px;
  font-style: normal;
  letter-spacing: 0;
}
.lobby_box .lobby_btn_item span,
.lobby_box .lobby_btn_item .desc{
  color: #fff;
  text-shadow: 3px 3px 3px rgba(0, 0, 0, .5);
}
.entry_enter_btn{
  position: fixed;
  bottom: 30px;
  left: 50%;
  z-index: 130;
  padding: 10px 30px;
  color: #fff;
  text-align: center;
  border-radius: 30px;
  background-color: #ff4141;
  transform: translateX(-50%);
}

/* 2-2. style by dataanchor */
.lobby_box .bg_img_island.is_dimed .use_dimed{
  opacity: 1;
}
.lobby_box .lobby_btn_item.rnd_center{
  bottom: 42%;
  left: 20%;
}
.lobby_box .lobby_btn_item.PR_center{
  top: 33%;
  left: 33%;
}
.lobby_box .lobby_btn_item.collaboration{
  bottom: 24%;
  left: 34%;
}
.lobby_box .lobby_btn_item.seminar{
  top: 23%;
  right: 40%;
}
.lobby_box .lobby_btn_item.airgle{
  top: 10%;
  right: 35%;
}
.lobby_box .lobby_btn_item.healthcare{
  top: 24%;
  right: 6%;
}
.lobby_box .lobby_btn_item.biocenter{
  top: 28%;
  right: 26%;
}
.lobby_box .lobby_btn_item.homepage{
  bottom: 22%;
  right: 25%;
}
.lobby_box .lobby_btn_item.brandEcotree{
  top: 12%;
  right: 20%;
}

/* 2-3. hover */
.lobby_box .lobby_btn_item.is_hover{
  z-index: 140;
}
.lobby_box .lobby_btn_item.is_hover span{
  font-size: 30px;
}
.lobby_box .lobby_btn_item.is_hover::after{
  transform: scale(130%);
}

/* 3. hall page */
.snb{
  position: fixed;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  top: 60px;
  z-index: 1000;
  width: 100%;
  height: 39px;
  border-top: 1px solid #333;
  background-color: #000;
}
.track{
  overflow-x: auto;
}
.snb_list{
  font-size: 0;
  text-align: center;
}
.snb_list .snb_item{
  display: inline-block;
  vertical-align: middle;
  padding: 0 20px;
}
.snb_list .snb_item+.snb_item{
  border-left: 1px solid #333;
}
.snb_list .snb_item a{
  color: #fff;
  font-size: 16px;
  font-weight: 400;
}
.snb_list.prcenter{
  width: 500px;
}
.snb_list.training{
  width: 700px;
}
.snb_list.bio{
  width: 1040px;
}
.snb_list.airgle{
  width: 750px;
}
.snb_list.healthcare{
  width: 1300px;
}
.snb_list.collaboration{
  width: 1050px;
}
.contents_box{
  overflow: hidden;
  position: relative;
  z-index: 800;
  top: 100px;
  width: 100%;
  height: calc(100% - 100px);
}
.vr-player{
  position: relative;
  width: 100%;
  height: 100%;
}
.vr-iframe{
  width: 100%;
  height: 100%;
  border: 0;
  outline: 0;
}
.sub_pr-center .contents_box {
  top: 60px;
  height: calc(100% - 60px);
}

/* 3-1. modal */
.modal_area{
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, .65)
}
.modal_area.open{
  display: flex;
}
.modal_box{
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  padding: 20px 30px;
  width: 400px;
  height: 480px;
  border-radius: 20px;
  text-align: center;
  background: rgba(255, 255, 255, .8);
}
.modal_contents{
  width: 100%;
}
.modal_item{
  display: none;
}
.title{
  margin: 20px 0;
  font-size: 20px;
  font-weight: 600;
  word-break: keep-all;
}
.title span{
  color: #1B83C6;
  font-weight: 800;
}
.info_icon_box{
  font-size: 0;
  text-align: center;
}
.info_icon {
  display: inline-block;
  vertical-align: center;
  background: url(../../static/img/icon/info-circle.svg) no-repeat center center;
  background-size: 60%;
  width: 80px;
  height: 80px;
  background-color: #E7E7E7;
  border-radius: 100%;
}
.modal_scroll_box{
  overflow-y: auto;
  height: 100px;
}
.modal_scroll_box .desc p{
  color: #222;
  font-weight: 600;
  word-break: keep-all;
}
.info_img_box{
  overflow:hidden;
  margin: 20px 0;
  height: 170px;
  border-radius: 10px;
  /* todo: delete background-color */
  background-color: #fff;
}

.modal_item .guide_icon {
  display: none;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  margin: 36px 0;
}
.modal_item .guide_icon .icon_box{
  width: calc((100% - 100px) / 3);;
}
.modal_item .guide_icon .icon_box+.icon_box{
  margin-left: 30px;
}
.modal_item .guide_icon .icon_box .icon_img{
  border-radius: 100%;
  background-color: #fff
}
.modal_item .guide_icon .icon_box .icon_title {
  margin-top: 10px;
  font-size: 14px;
  font-weight: 600;
}
.info_img_box img{
  display: block;
  width: 100%;
}
.tip_box{
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  padding: 14px 15px;
  width: 100%;
  border-radius: 10px;
  background-color: #fff;
}
.tip_title{
  width: 20px;
  font-size: 14px;
}
.tip_title span{
  font-weight: 900;
}
.tip_desc{
  font-size: 12px;
  text-align: left;
  line-height: 1.4;
  font-weight: 600;
}
.modal_btn_box{
  position: absolute;
  z-index: 120;
  left: 30px;
  right: 30px;
  bottom: 20px;
}
.popup_btn{
  display: block;
  width: 100%;
  height: 60px;
  font-size: 24px;
  font-weight: 500;
  color: #fff;
  border: 1px solid #D1392B;
  border-radius: 4px 32px;
  background-color: #D1392B;
  backdrop-filter: blur(8px);
  transition: background-color .3s;
}
.indicatorBox{
  bottom: 70px;
}
.indicatorBox span{
  width: 8px;
  height: 8px;
  background: #9A9A9A;
}
.indicatorBox span.is_active{
  background: #111;
}
.today_chk_box{
  position: absolute;
  z-index: 100;
  top: 100%;
  right: 10px;
  margin-top: 10px;
}
.cm-chk_label{
  color: #fff !important;
}
/* 4. case by case page */

.contents_box.bridge{
  background: url('../../static/img/bg-bridge.jpg') no-repeat center center / cover;
}
.modal_box.bridge{
  padding: 40px;
  width: 450px;
  height: auto;
  background-color: rgba(255, 255, 255, .9);
}
.modal_box.bridge .modal_contents{
  width: 100%;
}
.bridge_list{
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}
.bridge_list a{
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  margin-top: 20px;
  width: 160px;
  height: 160px;
  color: #212121;
  font-size: 20px;
  border: 1px solid #ddd;
  border-radius: 20px;
  background-color: #fff;
  transition: color .25s, background-color .25s
}


/* use only desktop action */
@media screen and (min-width: 1024px) {
  .btn.btn_default:hover{
    color: #333;
    background-color: #fff;
  }
  .snb_list .snb_item a:hover{
    color: #ddd;
  }
  .entry_enter_btn:hover{
    background-color: #c32727;
  }
  .bridge_list a:hover{
    color: #fff;
    background-color: #c32727;
  }
  .depth_list .depth_item:hover a{
    font-weight: 900;
  }
  .snb_list .snb_item:hover a{
    font-weight: 800;
  }
  .modal_item .guide_icon.pc{
    display: flex;
  }
}

@media screen and (max-width: 1023px) {
  .modal_item .guide_icon.mob{
    display: flex;
  }

  .gnb_box {
    padding: 7% 0;
  }

  .gnb_nav {
    overflow-y: auto;
  }

  .gnb_list {
    flex-direction: column;
    justify-content: flex-start;
  }

  .gnb_list .gnb_item {
    padding: 3vh 0;
    height: auto;
    min-height: 20%;
    flex: none;
    width: 90%;
  }

  .gnb_list .gnb_item .gnb_item_inner {
    font-size: 2.2vh;
  }

  .gnb_list .gnb_item+.gnb_item {
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, 0.4);
  }
  .gnb_list .gnb_item .addon-child{
    padding-top: calc(30px - 3vh);
  }
  .gnb_list .gnb_item .addon-child~.addon-child{
    padding-top: 30px;
    padding-bottom: calc(30px - 3vh);
    width: 90%;
  }

  .depth_list .depth_item {
    margin: 1.5vh 0;
  }

  .depth_list .depth_item a {
    padding: 1.2vh 0;
  }

  .pre_video_wrap.overlay{
    height: 100%;
    overflow: overlay;
  }
  .wrap_scroll {
    width: 160vh;
  }
  .lobby_box .bg_img_island{
    top: initial;
    transform: initial;
    bottom: 0;
    height: 90vh;
  }
  .lobby_box .bg_img_island img{
    height: 100%;
    width: auto;
  }
  .lobby_box .bg_img_island .lobby_desc{
    bottom: 90px;
    right: 10px;
    padding: 0;
    font-size: 13px;
    font-weight: 400;
    line-height: 1.4;
    letter-spacing: -.5px;
  }
}

@media screen and (max-width: 690px) {

  .gnb_box {
    padding: 55px 0;
  }

  .util_item .util_btn i {
    width: 16px;
  }

  .util_item .util_btn.is_active i:nth-of-type(1) {
    -webkit-transform: translateY(4px) rotate(45deg);
    -ms-transform: translateY(4px) rotate(45deg);
    -o-transform: translateY(4px) rotate(45deg);
    transform: translateY(4px) rotate(45deg);
  }

  .util_item .util_btn.is_active i:nth-of-type(3) {
    -webkit-transform: translateY(-6px) rotate(-45deg);
    -ms-transform: translateY(-6px) rotate(-45deg);
    -o-transform: translateY(-6px) rotate(-45deg);
    transform: translateY(-6px) rotate(-45deg);
  }
}

@media screen and (max-width: 480px) {
  .chrome_download{
    display: none;
  }
  .header{
    background-color: #333;
  }
  .header::before{
    content: '';
    width: 40px;
  }
  .container.hall .header::before{
    width: 40px;
  }
  .main_logo{
    width: 28vw;
  }
  .util_wrap{
    width: 40px;
  }
  .util_item.util_audio,
  .util_item.util_menu{
    position: fixed;
    top: 10px;
  }
  .util_item.util_audio{
    z-index: 900;
    left: 15px;
  }
  .btn_sount_desc{
    display: none;
  }
  .util_item.util_menu{
    right: 15px;
  }
  .lobby_box .lobby_btn_item span{
    font-size: 4.2vw;
  }
  .lobby_box .lobby_btn_item.is_hover span {
    font-size: 5.5vw;
  }
  /* 2-2 style data anchor */
  .lobby_box .lobby_btn_item.rnd_center{
    bottom: 41%;
    left: 20%;
  }
  .lobby_box .lobby_btn_item.PR_center{
    top: 28%;
    left: 38%;
  }
  .lobby_box .lobby_btn_item.collaboration{
    bottom: 33%;
    left: 36%;
  }
  .lobby_box .lobby_btn_item.seminar{
    /* top: 26vw;
    right: 100vw; */
  }
  .lobby_box .lobby_btn_item.airgle{
    top: 3%;
    right: 27%;
  }
  .lobby_box .lobby_btn_item.healthcare{
    top: 10%;
    right: 4%;
  }
  .lobby_box .lobby_btn_item.biocenter{
    top: 31%;
    right: 15%;
  }
  .lobby_box .lobby_btn_item.homepage{
    bottom: 20%;
    right: 25%;
  }
  .lobby_box .lobby_btn_item.brandEcotree{
    top: 0;
    right: 15%;
  }
  /* 3-1 modal */
  .modal_box{
    padding: 4.71vw 7.06vw;
    width: 90vw;
    height: 110vw;
  }
  .modal_scroll_box{
    height: 25vw;
  }
  .info_img_box{
    margin: 4.71vw 0;
    height: 40vw;
  }
  .indicatorBox{
    bottom: 14.3vw;
  }
  .popup_btn{
    height: 12vw;
    font-size: 5vw;
  }
  .modal_box.bridge{
    width: 90vw;
    height: 90vw;
  }
  .bridge_list a{
    margin-top: 4.71vw;
    width: 30vw;
    height: 30vw;
    font-size: 4.71vw;
  }
  .tip_box{
    padding: 12px 12px;
  }
  .tip_title{
    font-size: 14px;
  }
  .tip_desc{
    font-size: 2.6vw;
  }
}


@keyframes swipe-icon {
  0% {
    transform: translateX(-20px);
    opacity: 1;
  }
  100% {
    transform: translateX(20px);
    opacity: 0.5;
  }  
}

@keyframes fadeOut-effect {
  0% {
    opacity: 1;
  }

  100% {
    opacity: 0;
  }
}