.bg{
  transition: opacity 1.2s ease;
  position: fixed;
  width: 100%;
  height: 100%;
  background: linear-gradient(0deg, #000 0%, #0000ff 95%, #009edc 100%);
  opacity: 0;
}

.loadfinish .bg{
  opacity: 1;
}

.bg_1{
  position: absolute;
  width: 100%;
  height: 50%;
  top: 0%;
}

.bg_2{
  position: absolute;
  width: 100%;
  height: 50%;
  bottom: 0%;
}

.bg_3{
  position: absolute;
  width: 100%;
  height: 0%;
  bottom: 0%;
}

.cross_wrapper{
  position: fixed;
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-columns: repeat(var(--cross-columns, 10), 1fr);
  grid-template-rows: repeat(var(--cross-rows, 8), 1fr);
  place-items: center;
  pointer-events: none;
}

.cross{
  width: 10px;
  height: 10px;
  background: #bdccd4;
  clip-path: polygon(0% 48%, 48% 48%, 48% 0%, 52% 0%, 52% 48%, 100% 48%, 100% 52%, 52% 52%, 52% 100%, 48% 100%, 48% 52%, 0% 52%);
}

.line_wrapper{
  position: fixed;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.connection_canvas{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.line_wrapper .hline{
    position: absolute;
    width: 100%;
    height: 1px;
    background: #b3b3b3;
    top: 50%;
}

.line_wrapper .vline{
  position: absolute;
  width: 1px;
  height: 100%;
  background: #b3b3b3;
  left: 50%;
}

#app,
canvas {
  transition: opacity 1.5s ease;
  position: fixed;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  opacity: 0;
}

.loadfinish #app,
.loadfinish canvas {
  opacity: 1;
}

canvas {
  /* touch-action: none; */
}

.artwork_tooltip {
  position: fixed;
  z-index: 9002;
  pointer-events: none;
  transform: translate(-50%, -100px);
  padding-left: 10px;
  height: 0;
  overflow: hidden;
  color: #fff;
  border-left: 1px solid #fff;
  font-size: 14px;
  line-height: 1.2;
  opacity: 0;
  visibility: hidden;
  mix-blend-mode: difference;
}

.artwork_tooltip.is_visible {
  opacity: 1;
  visibility: visible;
}

.artwork_tooltip.animateIn {
  animation: artworkTooltipHeightIn 0.3s ease forwards;
}

.artwork_tooltip.animateIn .artwork_tooltip_name{
  animation: artworkTooltipFadeIn 0.25s ease 0.3s forwards;
}

.artwork_tooltip.animateIn .artwork_tooltip_author{
  animation: artworkTooltipFadeIn 0.25s ease 0.55s forwards;
}

@keyframes artworkTooltipHeightIn {
  from {
    transform: translate(0%, 0px);
    height: 0;
  }

  to {
    transform: translate(0%, -100px);
    height: 100px;
  }
}

@keyframes artworkTooltipFadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.artwork_tooltip_author {
  margin-top: 3px;
  font-size: 12px;
}

.artwork_tooltip_name,
.artwork_tooltip_author {
  opacity: 0;
}


.content {
}



.section1{
  height: 1500px;
}
.section2{
  height: 2500px;
}
.section3{
  height: 800px;
}
.section4{
  height: 1500px;
}
.section5{
  height: 3000px;
}
.section6{
  height: 1080px;
}

.section_content{
  padding: 50px;
}


.bottom_scroll_progress{
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  margin: auto;
  height: 50px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  pointer-events: auto;
  cursor: pointer;
  touch-action: none;
  mix-blend-mode: difference;
  z-index: 101;
  display: none;
}

.bottom_line{
  flex: 0 0 auto;
  height: 10px;
  width: 1px;
  background-color:#b8ccd4;
  pointer-events: none;
}

.progress_line{
  position: absolute;
  height: 35px;
  width: 1px;
  background-color:#ff7f6c;
  bottom: 0;
  left: 0;
  pointer-events: none;
}


.overlay_content{
  position: fixed;
  z-index: 8;
  /* background-image: url(images/bg_1.png);
  background-size: 100% 100%; */
  pointer-events: none;
  transition: all 1.2s ease;
}

.overlay_exhibition{
  width: 100%;
  height: 100%;
  top:0px;
  left:0px;
  text-align: center;
  opacity: 0;
}

.overlay_exhibition.active_overlay{
  opacity: 1;
}

.overlay_exhibition div{
  padding: 50px;
}


.overlay_content1{
  backdrop-filter: blur(10px);
  top: 0%;
  bottom: 0%;
  left: 0%;
  right: 0%;
  margin: auto;
  /* transform: translateY(-100px);
  opacity: 0;
  width: 800px; */
  width: 800px; 
  height: 0px;
}

.overlay_content1.active_overlay{
  height: 400px;
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.overlay_content1 .overlay_content_scroll_wrapper{
  transition: opacity 0.5s ease 0s;
  width: 700px;
  height: 300px;
  position: absolute;
  top: 50px;
  left: 50px;
  bottom: 50px;
  right: 50px;
  margin: auto;
  opacity: 0;
}

.overlay_content1.active_overlay .overlay_content_scroll_wrapper{
  opacity: 1;
  transition: opacity 0.5s ease 1.2s;
} 

.overlay_content_scroll{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow-y: scroll;
}

.overlay_content_spacing{
  padding-right: 50px;
}

.overlay_content2{
  left:0%;
  top: 50%;
  width: 50%; 
  height: 50%;
  transform: translateY(100px);
  opacity: 0;
  background: url(images/bg_2.png);
  background-size: 100% 100%;
}

.overlay_content2.active_overlay{
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.overlay_content2 .overlay_content_scroll_wrapper{
  transition: opacity 0.5s ease 0s;
  position: absolute;
  top: 50px;
  left: 50px;
  bottom: 50px;
  right: 50px;
  margin: auto;
  opacity: 0;
}

.overlay_content2.active_overlay .overlay_content_scroll_wrapper{
  opacity: 1;
  transition: opacity 0.5s ease 1.2s;
} 

.overlay_content3{
  left:0%;
  bottom: 0%;
  width: 50%;
  transform: translateY(300px);
  opacity: 0;
  display: flex;
  mix-blend-mode: difference;
}

.overlay_content3.active_overlay{
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.overlay_content3 .circle{
  width: 50%;
  position: relative;
  margin-bottom: -20%;
}

.overlay_content4{
  left:0%;
  bottom: 0%;
  width: 100%;
  height: 100%;
  opacity: 0;
}

.overlay_content4.active_overlay{
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.overlay_content5{
  left:0%;
  bottom: 0%;
  width: 100%;
  height: 100%;
}

.overlay_content5.active_overlay{
  pointer-events: auto;
}

.overlay_content6{
  left:0%;
  bottom: 0%;
  width: 100%;
  height: 100%;
  opacity: 0;
}

.overlay_content6.active_overlay{
  pointer-events: auto;
  opacity: 1;
}

.overlay_content6 .overlay_top_title{
  position: absolute;
  top:50px;
  left:0px;
  right:0px;
  text-align: center;
  margin: auto;
}

.overlay_circle_wrapper{
  width: 100%;
  height: 100%;
  position: absolute;
  overflow: hidden;
}

.overlay_circle_wrapper.is_resizing .overlay_circle {
  opacity: 0;
}


.overlay_circle{
  position: absolute;
  left: 0;
  top: 0;
  width: var(--circle-size, 280px);
  height: var(--circle-size, 280px);
  border-radius: 9999%;
  transform: translate3d(var(--circle-x, 0px), var(--circle-y, 0px), 0);
  opacity: 1;
  animation: overlayCircleFloat var(--float-duration, 5.5s) ease-in-out var(--float-delay, 0s) infinite alternate;
  transition: opacity 0.2s ease, background-color 0.3s ease;
    background-color: rgba(255,255,255,0);
}

.overlay_circle:hover{
    z-index: 100;
    cursor: pointer;
}

.overlay_circle .circle_inwrapper{
  transition:
    transform 0.6s ease var(--circle-in-delay, 0s),
    opacity 0.6s ease var(--circle-in-delay, 0s);
    transform: translateX(var(--circle-in-x, 50px)) translateY(var(--circle-in-y, 50px)); 
    background-size: 100% 100%;
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
  border-radius: 9999%;
}

.overlay_circle:hover .circle_inwrapper{
    background-color: rgba(255,255,255,1);
}

.overlay_content6.active_overlay .overlay_circle .circle_inwrapper{
    transform: translateX(0px) translateY(0px); 
    opacity: 1;
}

.overlay_circle .text{
    padding: 0px 30px;
    text-align: center;
}

.overlay_circle .text .line{
    height:30px;
    width:1px;
    margin: 5px auto;
    background-color: #000;
}

.overlay_circle1 .circle_inwrapper{
    background-image: url(images/overlay_circle1.png);
}

.overlay_circle2 .circle_inwrapper{
    background-image: url(images/overlay_circle2.png);
}

.overlay_circle3 .circle_inwrapper{
    background-image: url(images/overlay_circle3.png);
}

.overlay_circle4 .circle_inwrapper{
    background-image: url(images/overlay_circle4.png);
}

.overlay_circle5 .circle_inwrapper{
    background-image: url(images/overlay_circle5.png);
}

.overlay_circle6 .circle_inwrapper{
    background-image: url(images/overlay_circle6.png);
}

@keyframes overlayCircleFloat {
  from {
    transform: translate3d(var(--circle-x, 0px), calc(var(--circle-y, 0px) - var(--float-range, 8px)), 0);
  }

  to {
    transform: translate3d(var(--circle-x, 0px), calc(var(--circle-y, 0px) + var(--float-range, 8px)), 0);
  }
}

.normal_circle_wrapper{
  margin-top: 450%;
  margin-bottom: 100px;
}

.normal_circle{
  width: 280px;
  height: 280px;
  margin: auto;
}

.normal_circle + .normal_circle{
  margin-top: 20px;
}

.normal_circle .circle_inwrapper{
  background-size: 100% 100%;
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 9999%;
}

.normal_circle .text{
  padding: 0px 30px;
  text-align: center;
}

.exhibition_overlay{
  position: absolute;
  top: 0%;
  left: 0%;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.schedule_content{
  padding-top: 1000px;
  position: relative;
}

.schedule_title{
    margin-left: 60px;
    text-align: center;
    margin-bottom: 30px;
    margin-right: 60px;
}

.schedule_content .schedule_item{
    margin-left: 60px;
}

.schedule_content .schedule_item + .schedule_item{
  padding-top: 30px;
  margin-top: 30px;
  border-top: 1px solid #000;
}

.schedule_content .top_info{
  display: flex;
  justify-content: space-between;
  gap: 30px;
}

.schedule_content .bottom_info{
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: end;
  margin-top: 30px;
}

.schedule_content .bottom_info .eng + .chi{
  margin-top: 5px;
}

.schedule_content .bottom_info .i_right li + li{
  margin-top: 10px;
}

.schedule_content .bottom_info .i_right a{
  display: block;
  width: 130px;
  padding: 5px 10px;
  text-align: center;
  border:1px solid #000;
  color:#000;
  line-height: 1em;
  border-radius: 999px;
}


.about_content{
  /* margin-top:175%; */
  position: relative;
}

.sticky_title{
  position: sticky;
  top: 20px;
  mix-blend-mode: difference;
  color:#fff;
  padding: 10vw 50px 100px 50px;
  width: 50%;
}

.uc{
  text-transform: uppercase;
}

.half_item_wrapper{
  display: flex;
  width: 100%;
  flex-wrap: wrap;
  align-items: start;
}

.half_item{
  flex-basis: calc(60%);
  width: 60%;
  background: url(images/bg_2.png);
  background-size: 100% 100%;
}

.half_item .spacing{
  padding: 50px;
}

.half_item .description{
  margin-top: 30px;
  line-height: 1.8em;
}

.event_content{
  position: relative;
  height: 100%;
  top:50%;
}

.event_wrapper{
  height: 25%;
}

.event_item{
  padding: 50px;
  margin: 50px 0px;
  border: 1px solid #fff;
  position: sticky;
  top: 50%;
  transform: translateY(-50%);
  mix-blend-mode: difference;
  color:#fff;
  background: #0000ff;
    display: inline-block;
}

.align_right{
  text-align: right;
}
        

.exhibition_content{
  position: relative;
  height: 100%;
  top:50%;
}


.border_content{
  top: 75%;
  height: 100%;
  position: relative;
  mix-blend-mode: difference;
  color:#fff
}

.border_content .inner_content{
  position: sticky;
  top: 50%;
  height: 130px;
  transform: translateY(-50%);
  padding: 0px;
  overflow:hidden;
  border: 1px solid #fff;
}

.inner_scroll{
  padding: 0px 50px;
}

.overlay_content5{
  mix-blend-mode: difference;
}

.box_overlay_wrapper{
  position: absolute;
  top: 0%;
  left: 0%;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content:space-around;
  align-items: center;
}


.box_overlay div{
  position: relative;
  border:1px solid #fff;
  color:#fff;
  padding: 20px;
  white-space: nowrap;
  background: #0000ff;
}

.box_overlay1, .box_overlay3{
  transform: translateY(-50%);
  margin-bottom: -2px;
}

.box_overlay1 div, .box_overlay3 div{
  transition: all 0.6s ease;
  transform: translateY(100%);
}

.box_overlay2, .box_overlay4{
  transform: translateY(50%);
}

.box_overlay2 div, .box_overlay4 div{
  transition: all 0.6s ease;
  transform: translateY(-100%);
}

.box_overlay{
  overflow: hidden;
}

.overlay_content5.active_overlay .box_overlay div{
  transform: translateY(0%);
}

.popup_btn{
  cursor: pointer;
}

.popup{
  position: fixed;
  top: 0%;
  left: 0%;
  width: 100%;
  height: 100%;
  z-index: 9001;
  display: none;
}

.popup_content{
  transition: all 0.6s ease;
  transform: translateY(-100px);
  opacity: 0;
  padding: 50px;
  width: 100%;
  height: 100%;
  overflow: auto;
  box-sizing: border-box;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.popup.active .popup_content{
  transform: translateY(0px);
  opacity: 1;
}

.popup_event{
  left: auto;
  right:0%;
  width: 40%;
  background: url(images/bg_3.png);
    background-size: auto;
  background-size: 100% 100%;
}

.popup_title{
  margin-top: 30px;
}

.popup_content .talk_num{
  text-decoration: underline;
}

.popup_info2{
  margin-top: 60px;
  display: flex;
  gap: 30px;
  justify-content: space-between;
}

.popup_info2 .t1{
  text-decoration: underline;
}

.popup_description{
  margin-top: 30px;
  padding-top: 30px;
  border-top:1px solid #000;
}

.popup_exhibition{
  background: url(images/bg_1.png);
    background-size: auto;
  background-size: 100% 100%;
}


.popup_exhibition::before{
  content:"";
  position: absolute;
  top:0px;
  bottom:0px;
  right: 0px;
  width: 50%;
  background: url(images/bg_3.png);
    background-size: auto;
  background-size: 100% 100%;
}

.popup_exhibition .popup_content{
  padding: 50px 110px;
  width: 100%;
  height: 100%;
  overflow: auto;
}

.popup_exhibition_title{
  margin-bottom: 30px;
}

.popup_exhibition_time{
  margin-top: 30px;
}

.popup_exhibition_bottom{
  display: flex;
  gap: 100px;
  position: relative;
}

.popup_exhibition_bottom > *{
  flex-basis: calc(50%);
  width: 50%;
}

.popup_exhibition .popup_image_wrapper p img{
  width: 100%;
}

.popup_exhibition .popup_exhibition_left{
}



.popup_about{
  background: url(images/bg_1.png);
    background-size: auto;
  background-size: 100% 100%;
}

.popup_about::before{
  content:"";
  position: absolute;
  top:0px;
  bottom:0px;
  right: 0px;
  width: 50%;
  background: url(images/bg_3.png);
    background-size: auto;
  background-size: 100% 100%;
}


.popup_about .popup_content{
  padding: 50px 110px;
  width: 100%;
  height: 100%;
  overflow: auto;
}

.popup_about .about_logo1{
  width:50%
}

.popup_about .about_logo2{
  width:100%
}

.popup_about_title{
  margin-bottom: 30px;
}

.popup_about_bottom{
  display: flex;
  gap: 100px;
  position: relative;
}

.popup_about_bottom + .popup_about_bottom{
  margin-top: 150px;
}

.popup_about_bottom > *{
  flex-basis: calc(50%);
  width: 50%;
}

.popup_about .popup_image_wrapper p img{
  width: 100%;
}

.popup_sticky{
  position: sticky;
  top:0px;
  align-self: flex-start;
}

.popup_about .popup_about_left{
}

.popup_about .popup_about_right{
}

.close_popup{
  position: fixed;
  top:50px;
  right:30px;
  width:50px;
  height:50px;
  cursor: pointer;
}

.close_popup::before{
  content:"";
  position: absolute;
  left:0px;
  top:0px;
  right:0px;
  bottom:0px;
  margin:auto;
  width:100%;
  height:1px;
  background-color:#000;
  transform: rotate(-45deg);
}

.close_popup::after{
  content:"";
  position: absolute;
  left:0px;
  top:0px;
  right:0px;
  bottom:0px;
  margin:auto;
  width:100%;
  height:1px;
  background-color:#000;
  transform: rotate(45deg);
}

.home_section_content{
  position: absolute;
  width: 100%;
  height: 100%;
  align-items: center;
  display: flex;
  mix-blend-mode: difference;
}

@media screen and (max-width: 1023px) { 
  .half_item {
    flex-basis: calc(100%);
    width: 100%;
  }

  .half_item .spacing {
    padding: 20px;
  }

  .schedule_content .schedule_item {
    margin-left: 35px;
  }

  .schedule_content .bottom_info {
    flex-direction: column;
      align-items: start;
  }

  .schedule_content .bottom_info .i_right ul{
    display: flex;
    gap: 20px;
    flex-direction: row;
  }

  .schedule_content .bottom_info .i_right li + li {
    margin-top: 0px;
  }

  .popup_info2{
    flex-direction: column;
    gap: 15px;
  }

  .normal_circle_wrapper {
    margin-top: 300%;
  }


  .popup_event {
    width: 100%;
  }

  .popup_content {
    padding: 55px;
  }

  .popup_exhibition::before{
    display: none;
  }

  .popup_exhibition .popup_content {
    padding: 50px 55px;
  }

  .popup_exhibition_bottom {
    flex-direction: column;
  }

  .popup_exhibition_bottom > * {
    flex-basis: calc(100%);
    width: 100%;
  }

  .popup_about::before{
    display: none;
  }

  .popup_about .popup_content {
    padding: 50px 55px;
  }

  .popup_about_bottom {
    flex-direction: column;
    gap: 50px;
  }

  .popup_about_bottom > * {
    flex-basis: calc(100%);
    width: 100%;
  }

  .popup_about_bottom + .popup_about_bottom {
    margin-top: 50px;
  }

  .popup_sticky{
    position: relative;
  }

  .close_popup {
    top: 5px;
    right: 5px;
    width: 50px;
    height: 50px;
  }



  .overlay_exhibition div{
    padding: 20px;
  }

  .overlay_content6.active_overlay{
    pointer-events: none;
  }
  .overlay_content6 .overlay_top_title {
    top: 20px;
  }

}