#wrapper.feature #contents {
  height: 1560px;
  min-height: 100vh;
background-color:black;
}

  @media screen and (max-width:640px) {  
  #wrapper.feature #contents {
    min-height: 3100px;
  }
  }

#wrapper.feature .container .img1 {
  position: absolute;
  top: 0;
  left: calc(50% - 1112px / 2);
  z-index: 100;
  width: 1112px;
  height: 707px;
  opacity: 0;
  transition: all ease 0.2s 0.2s;
  transform: translate(30px, 0);
  z-index: 10;
}

@media screen and (max-width:640px) {
#wrapper.feature .container .img1 {
  position: absolute;
  top: 80px;
  left:0;
  z-index: 100;
  width: 640px;
  height: 2319px;
  transform: translate(0, -30px);
}
}

#wrapper.feature .container .img1.doShow {
　transform: translate(0px,0px);
  opacity: 1;
  transform: translate(0, 0);
}
  
#wrapper.feature .container .img2 {
  position: absolute;
  top: 650px;
  left: calc(50% - 1111px / 2);
  z-index: 100;
  width: 1111px;
  height: 872px;
  opacity: 0;
  transition: all ease 0.2s 0.2s;
  transform: translate(-30px, 0);
  z-index: 10;
}

@media screen and (max-width:640px) {
#wrapper.feature .container .img2{
  position: absolute;
  top: 497px;
  left:2px;
  z-index: 100;
  width: 636px;
  height: 334px;
  transform: translate(0, -30px);
}
}

#wrapper.feature .container .img2.doShow {
  transform: translate(0px,0px);
  opacity: 1;
  transform: translate(0, 0);
}

#wrapper.feature .oizumi {
  position: absolute;
  top: 17px;
  left: 17px;
  width: 107px;
  height: 30px;
  opacity: 0;
  z-index: 1000;
  transition: all ease 300ms 0s;
}


#wrapper.feature .oizumi.doShow {
  opacity: 1;
}


@media screen and (max-width:640px) {
  
  #wrapper.feature .container .oizumi {
    position: absolute;
    top: 26px;
    left: 26px;
    width: 125px;
    height: 35px;
    opacity: 0;
    z-index: 1000;
    transition: all ease 300ms 0s;
  }
  #wrapper.feature .container .oizumi.doShow {
    opacity: 1;
  }

  }