/** @format */

#page-top {
  z-index: 99999;
  position: fixed;
  bottom: 10px;
  right: 10px;
}

#page-top a {
  display: block;
  width: 80px;
  opacity: 0.9;
}

#page-top a span {
  vertical-align: middle;
}

#page-top a:hover {
  text-decoration: none;
  opacity: 0.7;
}

/* ウィンドウ幅が0〜479pxの場合に適用するCSS */
@media screen and (max-width: 640px) {
  #page-top {
    z-index: 99999;
    position: fixed;
    bottom: 10px;
    right: 10px;
  }

  #page-top a {
    display: block;
    width: 80px;
    opacity: 0.9;
  }
  #page-top a span {
  }
}