.viewer-element .iframe-subway {
    width: 100%;
    max-width: 880px;
    height: calc(100svh - 200px);
}

@media (max-width: 767px) { 
  .viewer-element .iframe-map {
      height: calc(100svh - 90px);
  }
  .viewer-element .banner-top {
      display: none;
  }
}