#wrapper.at3 #contents {
   min-height: 1350px;
}

#wrapper.at3 .container .oizumi {
  position: absolute;
  top: 17px;
  left: 50px;
  width: 107px;
  height: 30px;
  opacity: 0;
  transition: all ease 300ms 0s;
}
#wrapper.at3 .container .oizumi.doShow {
  opacity: 1;
}

#wrapper.at3 .container .at3_bg {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    -ms-transform: translateX(-50%);  width: 2560px;
  height: 1560px;
  opacity: 0;
  transition: all ease 300ms 0s;
}
#wrapper.at3 .container .at3_bg.doShow {
  opacity: 1;
}

#wrapper.at3 .container .title {
  position: absolute;
  top: 50px;
  left:25px;
  width: 1050px;
  height: 143px;
  opacity: 0;
  transition: all ease 0.5s 0.5s;
  z-index: 100;
}
#wrapper.at3 .container .title.doShow {
  opacity: 1;
}

#wrapper.at3 .container .img1 {
  position: absolute;
  top: 90px;
  left:-17px;
  width: 1134px;
  height: 1096px;
  opacity: 0;
  transition: all ease 0.5s 0.8s;
  transform: translate(0, 200px);
  z-index: 10;
}
#wrapper.at3 .container .img1.doShow {
  transform: translate(0, 0);
  opacity: 1;
}