@charset "UTF-8";

/* =========================
   天川あーとギャラリー
========================= */

* {
  box-sizing: border-box;
}

body.art-gallery-body {
  margin: 0;
  font-family:
    "Hiragino Maru Gothic ProN",
    "Yu Gothic",
    "Meiryo",
    sans-serif;
  color: #4a3424;
  background:
    linear-gradient(
      rgba(255, 248, 235, 0.72),
      rgba(255, 248, 235, 0.72)
    ),
    url("Amagawa_Art/kabe5.png");
  background-size: cover;
  background-position: center top;
  background-attachment: fixed;
}

/* =========================
   上部ナビ
========================= */

.top-return-nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 18px 20px 0;
  text-align: left;
}

.top-return-nav a {
  display: inline-block;
  padding: 9px 16px;
  border-radius: 999px;
  background: rgba(255, 252, 244, 0.9);
  border: 1px solid rgba(180, 145, 92, 0.45);
  color: #5a3d25;
  text-decoration: none;
  font-size: 14px;
  box-shadow: 0 4px 12px rgba(75, 45, 20, 0.1);
}

.top-return-nav a:hover {
  background: #fff6df;
  transform: translateY(-1px);
}

/* =========================
   ヘッダー
========================= */

.gallery-header {
  text-align: center;
  padding: 70px 20px 45px;
}

.gallery-label {
  margin: 0 0 12px;
  font-size: 14px;
  letter-spacing: 0.18em;
  color: #8b6f4e;
}

.gallery-header h1 {
  margin: 0;
  font-size: 42px;
  letter-spacing: 0.12em;
  color: #5a3d25;
  text-shadow: 0 2px 8px rgba(255, 255, 255, 0.85);
}

.gallery-lead {
  margin: 18px auto 0;
  max-width: 720px;
  font-size: 17px;
  line-height: 1.8;
}

/* =========================
   ページ全体
========================= */

.gallery-page {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px 80px;
}

.gallery-about,
.art-section,
.movie-section,
.music-section,
.copyright-section {
  margin: 0 auto 44px;
  padding: 28px;
  background: rgba(255, 252, 244, 0.88);
  border: 1px solid rgba(180, 145, 92, 0.35);
  border-radius: 24px;
  box-shadow: 0 10px 28px rgba(75, 45, 20, 0.12);
}

.gallery-about h2,
.art-section h2,
.movie-section h2,
.music-section h2,
.copyright-section h2 {
  margin: 0 0 18px;
  text-align: center;
  font-size: 25px;
  letter-spacing: 0.08em;
  color: #5a3d25;
}

.gallery-about p,
.art-section p,
.movie-section p,
.music-section p,
.copyright-section p {
  line-height: 1.8;
}

/* =========================
   Aタイプ / Zタイプ説明
========================= */

.type-guide {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 22px;
}

.type-box {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 246, 225, 0.82);
  border: 1px solid rgba(180, 145, 92, 0.35);
}

.type-box h3 {
  margin: 0 0 8px;
  color: #6a4327;
}

.note-text {
  margin-top: 18px;
  font-size: 14px;
  text-align: center;
  color: #6c5a48;
}

/* =========================
   イラストカード
========================= */

.section-lead {
  text-align: center;
  font-size: 14px;
  color: #6c5a48;
}

.art-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 24px;
}

.art-card {
  padding: 14px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(190, 155, 105, 0.35);
  box-shadow: 0 6px 18px rgba(75, 45, 20, 0.1);
  text-align: center;
}

.art-card a {
  display: block;
  text-decoration: none;
}

.art-card img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 15px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.art-card img:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(60, 35, 15, 0.22);
}

.art-card h3 {
  margin: 14px 0 8px;
  font-size: 18px;
  color: #5a3d25;
}

.art-card p {
  margin: 0;
  font-size: 14px;
  text-align: left;
}

/* =========================
   タイプ表示
========================= */

.work-type {
  display: inline-block;
  margin-top: 12px;
  padding: 5px 13px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: bold;
}

.type-a {
  background: #f4dfb8;
  color: #5a3d25;
}

.type-z {
  background: #d9e7f7;
  color: #243f5f;
}

/* =========================
   動画
========================= */

.media-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 24px;
}

.media-card {
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(190, 155, 105, 0.35);
  box-shadow: 0 6px 18px rgba(75, 45, 20, 0.1);
}

.media-card video {
  display: block;
  width: 100%;
  border-radius: 16px;
  background: #000;
}

.media-card h3 {
  margin: 14px 0 8px;
  font-size: 18px;
  color: #5a3d25;
}

/* =========================
   音楽
========================= */

.music-card {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 26px;
  align-items: center;
  padding: 20px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(190, 155, 105, 0.35);
  box-shadow: 0 6px 18px rgba(75, 45, 20, 0.1);
}

.music-jacket {
  width: 100%;
  border-radius: 18px;
  box-shadow: 0 8px 22px rgba(75, 45, 20, 0.18);
}

.music-info h3 {
  margin: 0 0 12px;
  font-size: 24px;
  color: #5a3d25;
}

.music-info audio {
  width: 100%;
  margin-top: 16px;
}

.music-card + .music-card {
  margin-top: 28px;
}

.music-section-note {
  max-width: 720px;
  margin: -4px auto 24px;
  font-size: 14px;
  line-height: 1.8;
  text-align: center;
  color: #6c5a48;
}

/* =========================
   著作権
========================= */

.copyright-section {
  text-align: center;
  font-size: 14px;
}

/* =========================
   スマホ対応
========================= */

@media (max-width: 900px) {
  .art-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .music-card {
    grid-template-columns: 1fr;
  }

  .music-jacket {
    max-width: 420px;
    margin: 0 auto;
  }
}

@media (max-width: 640px) {
  .gallery-header h1 {
    font-size: 31px;
  }

  .gallery-page {
    padding: 0 14px 60px;
  }

  .gallery-about,
  .art-section,
  .movie-section,
  .music-section,
  .copyright-section {
    padding: 20px;
    border-radius: 18px;
  }

  .type-guide,
  .art-grid,
  .media-grid {
    grid-template-columns: 1fr;
  }

  body.art-gallery-body {
    background-attachment: scroll;
  }
}