/* model-viewerのメインビュー */
model-viewer {
  width: 700px;
  height: 700px;
  margin: auto;
  background-color: unset;
  border-radius: 3px;
  box-shadow: 0px 5px 15px 0px rgba(0, 0, 0, 0.10);
  z-index: 10;
}
@media screen and (max-width: 480px) {
  model-viewer {
    width: 320px;
    height: 320px;
    margin: auto;
    border-radius: 3px;
    box-shadow: 0px 5px 15px 0px rgba(0, 0, 0, 0.10);
  }
}
@media screen and (max-width: 320px) {
  model-viewer {
    width: 220px;
    height: 220px;
    margin: auto;
    border-radius: 3px;
    box-shadow: 0px 5px 15px 0px rgba(0, 0, 0, 0.10);
  }
}
model-viewer#reveal {
  --poster-color: transparent;
}