/* -----------------------
    change
  ----------------------- */
.change {
  background: url(../img/change_bg.png) no-repeat top center / 100%, #EAC6D8;
}
.change_txt{
  position: absolute;
  bottom: 0;
}
.change_ttl{
  position: relative;
}

.cng_ttl_pic{
  position: absolute;
  top: max(calc(-45 / 960 * 100vw), -45px);
}

.change_section {
  position: relative;
}

.change_container {
  position: sticky;
  top: 0;
  display: grid;
  place-items: center;
}

.change_stage {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 1s ease, visibility 1s ease;
  z-index: 0;
}

.change_stage.active_stage {
  opacity: 1;
  visibility: visible;
  z-index: 1;
  pointer-events: auto;
  z-index: 1;
}

.cng_pic {
  width: min(calc(832 / 960 * 100vw), 832px);
  transition: none;
}

.cng_pic img{
  height: auto;
}

.active .cng_pic {
  width: min(calc(832 / 960 * 100vw), 832px);
}

.cng_weight,
.cng_meter_a,
.cng_meter_b {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  display: block;
  opacity: 0;
  transition: opacity 0.3s ease-in;
}

.active .cng_weight,
.active .cng_meter_a,
.active .cng_meter_b {
  opacity: 1;
}

.cng_weight {
  z-index: 1;
}

.cng_meter_a {
  z-index: 2;
}

.cng_meter_b {
  z-index: 3;
  mask-image: linear-gradient(black, black);
  -webkit-mask-image: linear-gradient(black, black);
  mask-position: bottom;
  -webkit-mask-position: bottom;
  mask-repeat: no-repeat;
  -webkit-mask-repeat: no-repeat;
  mask-size: 100% 50%;
  -webkit-mask-size: 100% 50%;
}

li:nth-child(1) .cng_meter_b,
li:nth-child(3) .cng_meter_b {
  mask-position: top;
  -webkit-mask-position: top;
}

.change_meter {
  position: relative;
  height: min(calc(845 / 960 * 100vw), 845px);
  overflow: hidden;
}

.change_meter ul {
  margin: 0;
  padding: 0;
  position: relative;
}