:root {
  --project-primary-color: #1b83c6;
}
@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css");

@font-face {
  font-family: "KHNPHandotum";
  src: url("../../static/font/KHNPHDotfB.otf") format("opentype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "KHNPHandotum";
  src: url("../../static/font/KHNPHDotfR.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* 0. common */
* {
  font-family: "KHNPHandotum", "Pretendard", sans-serif;
  font-weight: 400;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 15px;
  box-sizing: border-box;
}
.header > a {
  width: 180px;
}
.header img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.container {
  height: 100%;
}
.main_logo {
  width: 200px;
  height: 45px;
  background: url("../../static/img/main-logo-horizontal.webp") 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: 30px;
  border-color: #fff;
  height: auto;
  background-color: var(--project-primary-color);
}
.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_nav {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.gnb_list {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 0;
  text-align: center;
  gap: 20px;
}
.gnb_item {
  height: 36px;
  border-radius: 8px;
  transition: all 0.2s ease-in-out;
  font-family: KHNPHandotum;
}
.gnb_item .icon-default {
  display: block;
}
.gnb_item .icon-active {
  display: none;
}
.gnb_item.tour {
  border: 1px solid rgba(97, 179, 221, 0.6);
  background: rgba(97, 179, 221, 0.05);
}
.gnb_item.detail {
  border: 1px solid rgba(119, 184, 87, 0.6);
  background: rgba(119, 184, 87, 0.05);
}
.gnb_item.communication {
  border: 1px solid rgba(5, 128, 123, 0.6);
  background: rgba(0, 160, 152, 0.05);
}
.gnb_item.screening {
  border: 1px solid rgba(241, 149, 72, 0.6);
  background: rgba(241, 149, 72, 0.05);
}

.gnb_item.tour:hover,
.gnb_item.tour.is_active {
  border: 1px solid #61b3dd;
  background: rgba(97, 179, 221, 0.15);
}

.gnb_item.detail:hover,
.gnb_item.detail.is_active {
  border: 1px solid #77b857;
  background: rgba(119, 184, 87, 0.15);
}
.gnb_item.communication:hover,
.gnb_item.communication.is_active {
  border: 1px solid #05807b;
  background: rgba(0, 160, 152, 0.15);
}
.gnb_item.screening:hover,
.gnb_item.screening.is_active {
  border: 1px solid #f19548;
  background: rgba(241, 149, 72, 0.15);
}
.gnb_item a {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 100%;
  height: 100%;
  padding: 0 12px 0 8px;
  color: #fff;
  text-align: center;
  font-family: inherit;
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  white-space: nowrap;
  transition: all 0.2s ease-in-out;
}
.gnb_item.tour a {
  color: #61b3dd;
}
.gnb_item.detail a {
  color: #4e8633;
}
.gnb_item.communication a {
  color: #05807b;
}
.gnb_item.screening a {
  color: #de5d18;
}
.gnb_item:hover a,
.gnb_item.is_active a {
  font-weight: 700;
}
.gnb_item a img {
  width: 20px;
  height: 20px;
}

.snb {
  display: none;
  position: fixed;
  bottom: 0;
  right: -160px;
  width: 160px;
  height: calc(100% - 52px);
  padding: 16px 12px;
  align-items: center;
  z-index: 1000;
  border-left: 1px solid #e0e8f3;
  background: #fafafa;
  backdrop-filter: blur(2px);
  overflow-y: auto;
  transition: right 0.3s ease-in-out;
}
.snb.is_active {
  right: 0;
}
.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;
}

.gnb_location {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 8px;
  border-bottom: 1px solid #4c5663;
}
.gnb_location span {
  color: #4c5663;
  font-size: 16px;
  font-style: normal;
  font-weight: 700;
  line-height: 130%; /* 20.8px */
}
.gnb_location img {
  width: 20px;
  height: 20px;
}

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

.util_list {
  display: flex;
  align-items: center;
}

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

.util_item .util_btn {
  position: relative;
  width: 36px;
  height: 36px;
}

.util_audio .util_btn {
  border-radius: 8px;
  border-width: 1px;
  border-style: solid;
  border-color: rgba(116, 132, 155, 0.6);
  background: rgba(116, 132, 155, 0.05);
  transition: all 0.2s ease-in-out;
}
.util_audio .util_btn:hover {
  border-radius: 8px;
  border-color: #74849b;
  background: rgba(116, 132, 155, 0.3);
  transition: all 0.2s ease-in-out;
}
.util_audio .util_btn:after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  height: 90%;
  background: url(../../static/img/icon/ic-sound-off.svg) no-repeat center / 70%
    auto;
}

.util_audio .util_btn.is_unmute {
  border-color: #74849b;
  background: #74849b;
}
.util_audio .util_btn.is_unmute:hover {
  border-color: #4c5663;
  background: #4c5663;
}
.util_audio .util_btn.is_unmute:after {
  background-image: url(../../static/img/icon/ic-sound-on.svg);
}

.container.hall .util_audio .util_btn:after {
  background: url(../../static/img/icon/ic-sound-off.svg) no-repeat center / 70%
    auto;
}
.container.hall .util_audio .util_btn.is_unmute:after {
  background-image: url(../../static/img/icon/ic-sound-on.svg);
}

.util_menu {
  display: none;
}

.util_menu .util_btn i {
  width: 20px;
  height: 2px;
  background-color: #0e3560;
  display: block;
  margin: 5px auto;
  border-radius: 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(7px) rotate(45deg);
  -ms-transform: translateY(7px) rotate(45deg);
  -o-transform: translateY(7px) rotate(45deg);
  transform: translateY(7px) rotate(45deg);
}

.util_menu .util_btn.is_active i:nth-of-type(3) {
  -webkit-transform: translateY(-7px) rotate(-45deg);
  -ms-transform: translateY(-7px) rotate(-45deg);
  -o-transform: translateY(-7px) rotate(-45deg);
  transform: translateY(-7px) rotate(-45deg);
}

.util_guide_btn {
  display: flex;
  height: 36px;
  padding: 0 12px 0 8px;
  justify-content: center;
  align-items: center;
  gap: 4px;
  border-radius: 8px;
  border: 1px solid rgba(116, 132, 155, 0.6);
  background: rgba(116, 132, 155, 0.05);
  transition: all 0.2s ease-in-out;
}
.util_guide_btn img {
  width: 20px;
  height: 20px;
}
.util_guide_btn span {
  color: #4c5663;
  font-family: KHNPHandotum;
  font-size: 16px;
  font-weight: 400;
  line-height: 130%; /* 20.8px */
}
.util_guide_btn:hover {
  border: 1px solid #74849b;
  background: rgba(116, 132, 155, 0.15);
}
.util_guide_btn:hover span {
  font-weight: 700;
}

.guide-dim-box {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1400;
  display: none;
  width: 100%;
  height: 100%;
}
.guide-dim-box.open {
  display: block;
}

.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;
  background-color: #61b3dd;
}

/* use only desktop action */
@media screen and (min-width: 1024px) {
  .btn.btn_default:hover {
    color: #333;
    background-color: #fff;
  }
}

@media screen and (max-width: 1024px) {
  .header {
    height: 52px;
  }
  .header > a {
    width: 140px;
  }
  .util_menu {
    display: flex;
  }

  .gnb_nav.pc {
    display: none;
  }
  .snb {
    display: block;
  }
  .gnb_nav {
    /* position: initial;
    top: initial;
    left: initial;
    transform: none; */
  }
  .gnb_list {
    /* flex-direction: column;
    justify-content: flex-start;
    gap: 12px;
    padding-top: 16px; */
  }

  .gnb_list .gnb_item {
    /* width: 100%;
    height: 40px; */
  }
  .gnb_item a {
    /* width: 100%;
    height: 100%;
    padding: 0 20px;
    font-size: 16px;
    justify-content: flex-start; */
  }

  .gnb_list .gnb_item .gnb_item_inner {
    font-size: 2.2vh;
  }
  .util_menu .util_btn {
    border-radius: 8px;
    border: 1px solid #0e3560;
    background: rgba(14, 53, 96, 0.1);
  }
  .util_guide_btn {
    position: absolute;
    top: 50%;
    right: 40px;
    transform: translateY(-50%);
    width: 36px;
    padding: 4px;
    border: none;
    background: none;
    display: block;
  }
  .util_guide_btn img {
    width: 100%;
    height: 100%;
  }

  .util_guide_btn span {
    display: none;
  }
  .btn.btn_default {
    padding: 10px 24px;
    font-size: 20px;
  }
}

@media screen and (max-width: 960px) {
  .gnb_nav {
    width: 100%;
    top: 64px;
    left: 50%;
    transform: translateX(-50%);
  }
  .gnb_list {
    gap: 8px;
  }
  .gnb_list .gnb_item {
    background-color: rgba(255, 255, 255, 1);
  }
  .gnb_item.tour:hover,
  .gnb_item.tour.is_active {
    background: #61b3dd;
  }
  .gnb_item.detail:hover,
  .gnb_item.detail.is_active {
    background: #77b857;
  }
  .gnb_item.communication:hover,
  .gnb_item.communication.is_active {
    background: #05807b;
  }
  .gnb_item.screening:hover,
  .gnb_item.screening.is_active {
    background: #f19548;
  }
  .gnb_item.is_active .icon-default {
    display: none;
  }
  .gnb_item.is_active .icon-active {
    display: block;
  }
  .gnb_item:hover a,
  .gnb_item.is_active a {
    color: #fff;
  }
}

@media screen and (max-width: 480px) {
  .header > a {
    width: 120px;
  }
  .main_logo {
    width: 36vw;
  }

  .gnb_box {
    padding: 55px 0;
  }
  .gnb_list {
    display: block;
    width: 100%;
    overflow-y: scroll;
    white-space: nowrap;
    padding: 0 12px 8px 12px;
  }
  .gnb_item {
    display: inline-block;
  }
  .gnb_item + li {
    margin-left: 8px;
  }

  .chrome_download {
    display: none;
  }

  /* .util_wrap{
    width: 40px;
  } */
  .util_item.util_audio {
    position: fixed;
    /* top: 10px; */
    right: 10px;
  }
  .util_item.util_audio {
    z-index: 900;
    /* left: 15px; */
  }
  .btn_sount_desc {
    display: none;
  }
}