@charset "utf-8";


/*リンクの形状*/
#page-top a{
  display: flex;
  justify-content:center;
  align-items:center;
  background:#196990;
  border-radius: 5px;
  width: 100px;
  height: 100px;
  color: #fff;
  text-align: center;
  text-transform: uppercase; 
  text-decoration: none;
  font-size:0.6rem;
  transition:all 0.3s;
}

#page-top a:hover{
  background: #777;
}

/*リンクを右下に固定*/
#page-top {
  position: fixed;
  right: 10px;
  bottom:10px;
  z-index: 2;
    /*はじめは非表示*/
  opacity: 0;
  transform: translateY(100px);
}

/*　上に上がる動き　*/

#page-top.UpMove{
  animation: UpAnime 0.5s forwards;
}
@keyframes UpAnime{
  from {
    opacity: 0;
  transform: translateY(100px);
  }
  to {
    opacity: 1;
  transform: translateY(0);
  }
}

/*　下に下がる動き　*/

#page-top.DownMove{
  animation: DownAnime 0.5s forwards;
}
@keyframes DownAnime{
  from {
    opacity: 1;
  transform: translateY(0);
  }
  to {
    opacity: 1;
  transform: translateY(100px);
  }
}