@charset "UTF-8";
  body {
    margin:0;
    padding:0;
    overflow-y:hidden;
  }
  #contents {
    border: none;
    overflow:hidden;
    -webkit-overflow-scrolling:touch;
    display: inline-block;

    width:100%;

    min-height: -webkit-fill-available;
    height: 100dvh;
    height: calc(var(--vh, 1vh) * 100);

    background-color: black;
  }