.works-mainvisual-slider{
  width: 100vw;
  height: 85vh;
  display: flex;
  justify-content: center;
  position: relative;
}
.works-mainvisual-slider img{
  width: 87vw;
  height: 85vh;
  object-fit: cover;
  position: absolute;
  opacity: 0;
  animation: image-switch-animation 20s infinite;
}
@keyframes image-switch-animation {
  0%{ opacity: 0;}
  15%{ opacity: 1;}
  25%{ opacity: 1;}
  40%{ opacity: 0;}
  100%{ opacity: 0;}
}
.works-mainvisual-slider img:nth-of-type(1) {
  animation-delay: 0s;
}
.works-mainvisual-slider img:nth-of-type(2) {
  animation-delay: 3s;
}
.works-mainvisual-slider img:nth-of-type(3) {
  animation-delay: 5s;
}
.works-mainvisual-slider img:nth-of-type(4) {
  animation-delay: 8s;
}
.works-mainvisual-slider img:nth-of-type(5) {
  animation-delay: 11s;
}
.works-mainvisual-slider img:nth-of-type(6) {
  animation-delay: 13s;
}


@media screen and (max-width: 1024px) {/*--タブレット・モバイル用--*/
  .works-mainvisual-slider{
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    position: relative;
    margin-bottom: 50px;
  }
  .works-mainvisual-slider img{
    width: 100vw;
    height: 30vh;
    object-fit: cover;
    position: absolute;
    opacity: 0;
    animation: image-switch-animation 16s infinite;
  }
  .empty-box{
    width: 100vw;
    height: 23vh;
  }

}