/* IEのみ以下のCSSが適用される*/
@media all and (-ms-high-contrast: none) {
  * {
    min-height: 0%;
  }
  iframe {
    width: 100%;
  }
}

@media screen and (-ms-high-contrast: none) and (max-width: 720px) {
  main .box {
    display: block;
  }
  main .box .img-box {
    width: 100%;
    padding-top: 30px;
  }
  main .box .text-box {
    width: 100%;
  }
  main .box .tray {
    width: 100%;
    margin-top: 30px;
  }
}