.movie-wrap {
  position: relative;
  padding-bottom: 56.25%; /*アスペクト比 16:9の場合の縦幅*/
  height: 0;
  overflow: hidden;
  z-index: 0;
}

.movie-wrap iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

h2,
h3 {
  border-bottom: solid 1px lightgrey;
  padding-bottom: 10px;
  margin-top: 70px !important;
}

@media (max-width: 768px) {
  h2,
  h3 {
    margin-top: 30px !important;
  }

  #contents h2 {
    font-size: 0.8rem;
  }
  #contents h3 {
    font-size: 0.7rem;
  }

  p {
    font-size: 0.85rem !important;
  }
  li {
    font-size: 0.2rem;
  }
  .machine-spec td {
    font-size: 0.5rem;
    overflow-wrap: break-word;
  }
  .elcede-font {
    font-size: 0.8rem !important;
  }
  .elcede-font li {
    font-size: 0.8rem !important;
  }
}