body {
  position: fixed;
  top: 0px;
  left: 0px;
  border: none;
  border-width: 0;
  height: 100%;
  width: 100%;
  padding: 0 0 0 0;
  margin: 0 0 0 0;
  text-size-adjust: 100%;
  overflow: hidden;
  backface-visibility: hidden;
  font-family: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', 'Yu Gothic', YuGothic, Verdana, 'M+ 1p', "Hiragino Sans W3", "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN W3", "メイリオ", Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
  pointer-events: none;
}
@media screen and (max-width: 480px) {
  body {
      font-size: 0.6rem;
  }
}
@media screen and (max-height: 480px) {
  body {
      font-size: 0.8rem;
  }
}

#startup {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  background-color: white;
}
#startimg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: none;
}
#startimg_sp {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
#close_message {
  position: absolute;
  display: flex;
  background-color: black;
  color: white;
  left: 0;
  right: 0;
  justify-content: center;
  align-items: center;
  width: 300px;
  height: 100px;
  margin-left: auto;
  margin-right: auto;
  bottom: 5%;
  pointer-events: none;
  font-size: 1.3rem;
  z-index: 10;
}
span {
  text-align: center;
}
@media all and (orientation: landscape) {
  #startimg {
    display: inline;
  }
  #startimg_sp {
    display: none;
  }
}