/*scroll*/
.scrolldown4{
    /*描画位置※位置は適宜調整してください*/
  position:absolute;
  bottom:1%;
  left: 5%;
    /*矢印の動き1秒かけて永遠にループ*/
  animation: arrowmove 1s ease-in-out infinite;
    margin-bottom: 60px;
}

/*下からの距離が変化して全体が下→上→下に動く*/
@keyframes arrowmove{
      0%{bottom:1%;}
      50%{bottom:3%;}
     100%{bottom:1%;}
 }

/*Scrollテキストの描写*/
.scrolldown4 span{
    /*描画位置*/
  position: absolute;
  left:-20px;
  bottom:0;
    /*テキストの形状*/
  color: #eee;
  font-size: 1.2rem;
  letter-spacing: 0.05em;
  /*縦書き設定*/
  -ms-writing-mode: tb-rl;
    -webkit-writing-mode: vertical-rl;
    writing-mode: vertical-rl;
}

/* 矢印の描写 */
.scrolldown4:before {
    content: "";
    /*描画位置*/
    position: absolute;
    bottom: -25px;
    right: 10px;
    /*矢印の形状*/
    width: 1px;
    height: 15px;
    background: #eee;
    transform: skewX(-31deg);
}

.scrolldown4:after{
  content:"";
    /*描画位置*/
  position: absolute;
  bottom:-25px;
  right:15px;
    /*矢印の形状*/
  width:1px;
  height: 95px;
  background:#eee;
}


/*scrolling-effect*/


.reveal {
  position: relative;
  opacity: 0;
}

.reveal.active {
  opacity: 1;
}
.active.fade-bottom {
  animation: fade-bottom 1s ease-in;
}
.active.fade-left {
  animation: fade-left 1s ease-in;
}
.active.fade-right {
  animation: fade-right 1s ease-in;
}
@keyframes fade-bottom {
  0% {
    transform: translateY(50px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}
@keyframes fade-left {
  0% {
    transform: translateX(-100px);
    opacity: 0;
  }
  100% {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes fade-right {
  0% {
    transform: translateX(100px);
    opacity: 0;
  }
  100% {
    transform: translateX(0);
    opacity: 1;
  }
}