/* -----------------------
  combution
----------------------- */
.combution {
  position: relative;
  background: url(../img/combution_bg.png) no-repeat center bottom / 100%, #DDB0C3;
}

.combution .bg_txt{
  position: absolute;
  top: max(calc(-91 / 960 * 100vw),-91px);
}
.comb_grid {
  display: grid;
  position: relative;
  place-items: center;
}

.comb_grid img {
  grid-area: 1 / 1;
  width: 100%;
  transition: opacity 0.8s ease;
  opacity: 0;
}

.comb_pic02.show,
.comb_pic01.show,
.comb_icon.show {
  opacity: 1;
}

.combution .comb_grid .comb_txt {
  align-self: start;
  justify-self: center;
  opacity: 1;
  z-index: 3;
}

.comb_icon {
  align-self: end;
  justify-self: center;
  z-index: 2;
  opacity: 0;
  transform: scale(0, 0);
  transform-origin: 50% 50%;
  transition: all 0.2s ease;
  transition-delay: .25s;
}
.comb_icon.show {
  opacity: 1;
  transform: scale(1, 1);
}

.comb_pic01,
.comb_pic02 {
  justify-self: center;
  align-self: center;
  z-index: 1;
}