:root {
  --project-main-color: #01ADEF;
  --project-sub-color: #3CC9FF;
}

/* scroll bar */
/* ::-webkit-scrollbar {
  width: 8px;
} */

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: #757575;
  border-radius: 20px;
}

html body,
html button,
html input,
html select,
html table,
html textarea {
  color: #515151;
}

html,
body,
.container,
.video_box {
  width: 100%;
  height: 100%;
  overflow-y: hidden;
}

/* common */

.pbr {
  display: block;
}

/* fold br handling */
.fbr {
  display: none;
}

.mbr {
  display: none;
}

.bg_sound_box {
  position: fixed;
  left: 10px;
  bottom: 20px;
  z-index: 200;
}

.bg_sound_box .play_btn .btn {
  width: 26px;
  height: 26px;
}


.full_box {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
}

.flex_box {
  display: flex;
}

.flex_box.flex_center {
  align-items: center;
  justify-content: center;
}

.flex_box.flex_column {
  flex-direction: column;
}

.center_box {
  text-align: center;
}


.vr-player {
  position: absolute;
  left: 0;
  top: 0;
  bottom: -36px;
  width: 100%;
  background: #000;
}

.vr-player .vr-iframe {
  width: 100% !important;
  height: 100% !important;
  border: 0px;
}

.default_btn .btn {
  display: inline-block;
  padding: 18px 50px;
  background: var(--project-main-color);
  text-transform: uppercase;
  line-height: 1;
  border-radius: 50px;
  color: #fff;
}

.video_box .video {
  width: 100% !important;
  height: 100% !important;
  -o-object-fit: cover;
  object-fit: cover;
}

.contents_box,
.bg_box {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  color: #fff;
}

.bg_box {
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  background: no-repeat center / cover;
}

.bg_box.dim:after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.3);
  z-index: 10;
}

.contents_box {
  z-index: 100;
}

/* main */
.container.main .bg_box {
  background-image: url('../static/images/bg_main.jpg');
}

.enter_box {
  padding: 0 10px;
  text-align: center;
  font-size: 16px;
  color: #fff;
}

.enter_box .enter_desc p+p {
  margin-top: 20px;
}

.enter_box .enter_logo {
  width: 267px;
}

.enter_box .enter_logo img {
  width: 100%;
}

.enter_box .enter_desc {
  margin: 30px 0;
  line-height: 1.6;
  text-shadow: 0 3px 3px rgba(0, 0, 0, 0.5);
}

.enter_box .sound_box {
  margin-bottom: 28px;
}

.play_btn .btn {
  width: 25px;
  height: 25px;
  background: url('../static/images/ico/ico_sound_play.svg') no-repeat center center / contain;
  vertical-align: middle;
}

.play_btn .btn.ico_stop {
  background-image: url('../static/images/ico/ico_sound_pause.svg');
}

.play_btn+.txt {
  margin-left: 15px;
}

/* video page */
.video_wrap .btn_box {
  position: absolute;
  left: 80px;
  bottom: 100px;
}

.video_wrap .btn_box .btn {
  background: #fff;
  color: #000;
  letter-spacing: 0.25em;
}

.text_shadow {
  text-shadow: 0 3px 6px rgba(0, 0, 0, 0.5);
}

.contents_box .txt_box .txt_tit {
  font-size: 92px;
  line-height: 1.2;
  text-shadow: 0 3px 6px rgba(0, 0, 0, 0.5);
  text-transform: uppercase;
}

.contents_box .txt_box .txt_desc {
  font-size: 21px;
  text-shadow: 0 3px 6px rgba(0, 0, 0, 0.5);
}

.contents_box .txt_box .txt_tit+.txt_desc {
  margin: 20px 0 25px;
}


.header {
  position: fixed;
  left: 0;
  right: 0;
  width: 100%;
  top: 0;
  z-index: 200;
}

.gnb {
  position: fixed;
}

.gnb.top {
  top: 20px;
}

.gnb.left {
  left: 20px;
  text-transform: uppercase;
  font-size: 17px;
}

.gnb.left a, .gnb.left button {
  color: #fff;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.gnb.left .gnb_btn .btn {
  padding-bottom: 10px;
  padding-right: 20px;
  font-size: 1em;
}

.gnb.left .gnb_btn .btn:before {
  content: "◆";
  display: inline-block;
  margin-right: 5px;
  font-size: 0.7em;
  vertical-align: middle;
}

.gnb.left .gnb_list.hide {
  display: none;
}

.gnb.left .gnb_list li {
  margin: 5px 0;
}

.gnb.left .gnb_list li a {
  display: block;
  padding: 5px 0;
  font-size: 0.8em;
  transition: all .3s;
}

.gnb.left .gnb_list li a:hover,
.gnb.left .gnb_list li.active a {
  color: var(--project-main-color);
}

.gnb.right {
  right: 20px;
}

.gnb.right .menu_btn {
  width: 40px;
  height: 40px;
  background: url('../static/images/ico/ico_menu_w.svg') no-repeat top right / 50% 50%;
}

/* line */

.top_line_box {
  position: absolute;
  left: 50%;
  top: 8px;
  transform: translateX(-50%);
  width: 150px;
}

.top_line_box .top_logo {
  padding: 0 25px;
}

.line {
  position: absolute;
  background: #fff;
}

.top_line_box .line {
  top: 50%;
  transform: translateY(-50%);
  height: 1px;
}

.top_line_box .line.left {
  right: 100%;
  width: 750px;
}

.top_line_box .line.right {
  left: 100%;
  width: 830px;
}

.btm_line_box {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
}

.btm_line_box .line {
  bottom: 0;
  width: 1px;
}

.btm_line_box .line.left {
  left: 0;
  bottom: 35px;
  height: 670px;
}

.btm_line_box .line.right {
  right: 0;
  /* height: 840px; */
  height: 890px;
}

/* lobby */
.lobby_wrap,
.lobby_box {
  width: 100%;
  height: 100%;
}

.lobby_box {
  display: none;
  background: url('../static/images/bg_lobby01.jpg') no-repeat center / cover;
}

.lobby_box.active {
  display: block;
}

.lobby_box .txt_box,
.lobby_box:after {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
}

.lobby_box .txt_box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  z-index: 10;
  padding: 0 20px;
}

.lobby_box:after {
  content: "";
  background: rgba(0, 0, 0, 0.5);
}



/* hall - intro page */
.hall .bg_box.dim:after {
  background: rgba(0, 0, 0, 0.6);
}

.hall .hall_tit_box {
  background: rgba(0, 0, 0, 0.5);
}

.hall .hall_tit_box .txt_tit {
  color: var(--project-sub-color);
  font-family: 'Merriweather', serif;
  letter-spacing: 1px;
}

.hall .hall_desc_box {
  display: none;
  background: rgba(0, 0, 0, 0.3);
}

.hall .hall_desc_box .txt_box {
  width: 100%;
  position: absolute;
  left: 0;
  bottom: 180px;
  padding: 0 50px;
  line-height: 1.75;
}

.hall .hall_desc_box .txt_desc .tit {
  margin-bottom: 20px;
}

.hall .hall_desc_box .btn_box {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 150px;
}


.gnb.btm {
  /* padding: 35px 80px 16px; */
  position: fixed;
  left: 50%;
  bottom: 35px;
  transform: translateX(-50%);
  width: calc(100% - 40px);
  max-width: 1024px;
  height: 60px;
}

.gnb.btm.mode_black {
  background: rgba(0, 0, 0, 0.5);
  border-radius: 100px;
}

.gnb.btm nav{
  height: 100%;
}

.gnb.btm .gnb_list {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  transform: translateY(8px);
}

.gnb.btm .gnb_list .list_item {
  position: relative;
}

.gnb.btm .gnb_list .list_item+.list_item {
  padding-left: 135px;
}

.gnb.btm .gnb_list .list_item+.list_item:before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 3px;
  width: 135px;
  height: 10px;
  background: url('../static/images/bg_btm_gnb_line.svg') repeat-x center / auto 100%;
}

.gnb.btm .gnb_list .list_item a {
  display: block;
  position: relative;
  color: #fff;
  white-space: nowrap;
}

.gnb.btm .gnb_list .list_item a:after {
  position: relative;
  z-index: 1;
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 100%;
  background: #fff;
}

.gnb.btm .gnb_list .list_item {
  position: relative;
}

.gnb.btm .gnb_list .list_item a:before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  height: 110px;
  width: 42px;
  background: url('../static/images/ico_active_bar.svg') no-repeat center / auto 100%;
  transition: all .3s;
  opacity: 0;
}

.gnb.btm .gnb_list .list_item.active a:before,
.gnb.btm .gnb_list .list_item a:hover:before {
  opacity: 1;
}

.gnb.btm .gnb_list .list_item .item_box {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 100%;
  z-index: 1;
}

/* loading */
.loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  animation: bgRemove 1s 2.3s ease-in-out forwards;
  z-index: 999;
}

.loading .bg_01 {
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: var(--project-main-color);
  z-index: 99;
}

.loading .bg_02 {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 0%;
  background-color: #fff;
  animation: bgUp 1.2s 0.75s ease-in-out forwards;
  z-index: 100;
}

.loading .bg_03 {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 0%;
  background-color: #000;
  animation: bgUp 0.9s 1.15s ease-in-out forwards;
  z-index: 101;
}


/* responsive css */

@media screen and (max-width: 1366px) {

  /* common */
  .contents_box .txt_box .txt_tit {
    font-size: 60px;
  }

  /* .play_btn .btn {
    width: 40px;
    height: 40px;
  } */

  /* hall */
  .hall .hall_desc_box .txt_box {
    bottom: 250px;

  }

}

@media screen and (max-width: 1023px) {

  /* common */

  /* main */
  /* .enter_box {
    font-size: 18px;
  } */

  .enter_box .enter_logo {
    width: 30vw;
  }

  .video_wrap .btn_box {
    left: 50%;
    transform: translateX(-50%);
  }
  .gnb.btm {
    width: calc(100% - 50px);
    height: 70px;
    overflow: hidden;
    padding: 0 10px;
  }
  .gnb.btm nav {
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
  }

  .gnb.btm .gnb_list {
    width: 1000px;
    /* transform: translateY(8px); */
  }

  .gnb.btm .gnb_list .list_item a:before {
    height: 70px;
  }

}

@media screen and (max-width: 768px) {

  .pbr {
    display: none;
  }

  .fbr {
    display: block;
  }
  .enter_box {
    font-size: 15px;
  }
  .contents_box .txt_box .txt_tit {
    font-size: 40px;
  }

  .contents_box .txt_box .txt_desc {
    font-size: 18px;
  }
}

@media screen and (max-width: 480px) {

  .fbr {
    display: none;
  }

  .mbr {
    display: block;
  }

  .default_btn .btn {
    padding: 3.75vw 10.41vw;
  }

  .gnb.left .gnb_btn .btn{
    font-size: 3.125vw;
    padding: 0 4.16vw 2.08vw 0;

  }
  
  .gnb.left .gnb_list li a {
    font-size: 2.5vw;
    padding: 1.04vw 0;
  }
  

  .enter_box {
    font-size: 3.125vw;
  }

  .contents_box .txt_box .txt_tit {
    font-size: 7.5vw;
  }
  .contents_box .txt_box .txt_desc {
    font-size: 3.75vw;
  }

  .hall .hall_desc_box .txt_box {
    bottom: 230px;
  }
  .hall .hall_desc_box .txt_desc .tit {
    margin-bottom: 4.16vw;
  }
  .hall .hall_desc_box .btn_box {
    font-size: 2.91vw;
  }
  .gnb.left.top {
    top: 16px;
  }
  .gnb.btm {
    height: 60px;
    padding: 0 20px;
  }
  .gnb.btm .gnb_list {
    width: 780px;
  }
  .gnb.btm .gnb_list .list_item a:before {
    height: 64px;
  }
  .gnb.btm .gnb_list .list_item .item_box {
    font-size: 3.12vw;
  }
  .gnb.btm .gnb_list .list_item+.list_item {
    padding-left: 100px;
  }
  .gnb.btm .gnb_list .list_item+.list_item:before {
    width: 100px;
  }
  .contents_box .txt_box .txt_desc {
    line-height: 1.5;
  }
  
}





/* keyframes  */

@keyframes bgUp {
  0% {
    height: 0%;
  }

  100% {
    height: 100%;
  }
}

@keyframes bgRemove {
  0% {
    height: 100%;
  }

  100% {
    height: 0%;
  }
}