.fade {
  transition: all 2000ms;
  opacity: 0;
  visibility: hidden;
  transform: translate(0px, 50px);
}

.fadein {
  opacity: 1;
  visibility: visible;
  transform: translate(0px, 0px);
} 

/*スクロールなしのフェードイン*/
.fade-in-bottom {
   opacity: 0;
   animation-name: fadein-bottom;
   animation-duration: 1.5s;
   animation-timing-function: ease-out;
   animation-fill-mode: forwards;
}
@keyframes fadein-bottom {
   0% {
      opacity: 0;
      transform: translateY(20px);
   }
   100% {
      opacity: 1;
      transform: translateY(0);
   }
}

/* ふわっと写真が切り替わる */
.slideBox {

}

.item1 {
  opacity: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  left: 0;
  top: 0;
  -webkit-animation: anime 30s 0s infinite;
  animation: anime 30s 0s infinite;
}

.item1:nth-of-type(2) {
  -webkit-animation-delay: 10s;
  animation-delay: 10s;
}

.item1:nth-of-type(3) {
  -webkit-animation-delay: 20s;
  animation-delay: 20s;
}

@keyframes anime {
  0% {
    opacity: 0;
  }
  30% {
    opacity: 1;
  }
  35% {
    opacity: 1;
  }
  50% {
    opacity: 0;
    z-index: 9;
  }
  100% {
    opacity: 0;
  }
}

@-webkit-keyframes anime {
  0% {
    opacity: 0;
  }
  30% {
    opacity: 1;
  }
  35% {
    opacity: 1;
  }
  50% {
    opacity: 0;
    z-index: 9;
  }
  100% {
    opacity: 0;
  }
}