@charset "utf-8";

/*==================================================
画像モーダル（ライトボックス）
===================================*/
.js-lightbox {
  cursor: zoom-in;
}

.lightbox {
  display: flex;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(0, 0, 0, 0.85);
  align-items: center;
  justify-content: center;
  padding: 2rem;
  /* ふわっと表示・非表示させるため、display切り替えではなく
     opacity + visibility をアニメーションさせる */
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0s linear 0.35s;
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.35s ease, visibility 0s linear 0s;
}

.lightbox-image {
  max-width: 100%;
  max-height: 100%;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  /* 開く時は少し小さい状態からふわっと拡大、閉じる時は逆再生 */
  transform: scale(0.92);
  transition: transform 0.35s ease;
}

.lightbox.is-open .lightbox-image {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: #fff;
  font-size: 2.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.5rem;
}

.lightbox-close:hover {
  color: #e1c7a3;
}

@media (max-width: 500px) {
  .lightbox {
    padding: 1rem;
  }

  .lightbox-close {
    top: 0.5rem;
    right: 0.75rem;
    font-size: 2rem;
  }
}