@charset "UTF-8";

#modal {
display: none;   /* ←必ず入れる */
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.7);
}

/* 背景（暗くするやつ） */
.modal-bg {
  position: absolute;
  inset: 0;
}

/* コンテンツ */
.modal-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  
  width: 90%;
  max-width: 800px;
  aspect-ratio: 4 / 3;

  z-index: 1; /* ←これ重要 */
  position: relative; /* ←これが基準になる */
}

.modal-content iframe {
  width: 100%;
  height: 100%;
  display: block;
}

.close {
  position: absolute;
  top: 0;
  right: 0;

  z-index: 10; /* iframeより前に出す */

  background: #E70012;
  color: #fff;
  border: none;
  font-size: 20px;
  width: 36px;
  height: 36px;
  cursor: pointer;
}

.close:hover {
  background: rgba(0,0,0,0.8);
}

.close {
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 600px) {
  .close {
    top: 0;
    right: 0;
    width: 32px;
    height: 32px;
  }
}