.iframe-wrapper {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.iframe-wrapper iframe {
  width: 100%;
  border: none;
  display: block;
  height: 2740px;
}

@media (max-width: 767px) {
  .iframe-wrapper iframe {
    height: calc(4600px - 163.4vw);
  }
}