/* =========================================
   スプラッシュスクリーン
   ========================================= */
#splash {
  position: fixed; top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  z-index: 9999;
  background: #000;
  opacity: 0;
  transition: opacity 1s ease;
  pointer-events: none;
}
#splash.fade-in { opacity: 1; }
#splash img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: contain;
  display: block;
}
#splash.fade-out { opacity: 0; }
#splash.hidden { display: none; }

/* =========================================
   CSS カスタムプロパティ（和モダン・白×緑）
   ========================================= */
:root {
  --washi:      #f5fbf5;   /* 和紙白（緑みがかった白） */
  --white:      #ffffff;
  --brown:      #1c3820;   /* 深緑（松の緑） */
  --gold:       #3f7c48;   /* 中緑（アクセント） */
  --gold-light: #c6e2ca;   /* 薄緑（淡萌黄） */
  --gold-mid:   #7ab888;   /* 中間緑 */
  --border:     #b2d4b8;   /* 緑ボーダー */
  --gray:       #5a7a60;   /* 緑グレー */
  --bubble-r:   #eaf5ec;   /* 吹き出し薄緑 */
  --tab-h:      62px;
}

/* =========================================
   リセット・ベース
   ========================================= */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  background: var(--washi);
  color: var(--brown);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* 和紙テクスチャ */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

/* =========================================
   タブナビゲーション（上部固定・横スクロール）
   ========================================= */
.tab-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  background: rgba(245,251,245,0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  height: var(--tab-h);
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.tab-nav::-webkit-scrollbar { display: none; }

.tab-nav-inner {
  display: flex;
  height: 100%;
  padding: 0 8px;
  min-width: max-content;
}

.tab-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 8px 11px 6px;
  font-family: 'Noto Serif JP', serif;
  font-size: 9px;
  letter-spacing: 0.04em;
  color: var(--gray);
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
  white-space: nowrap;
  transition: color 0.25s;
  -webkit-tap-highlight-color: transparent;
}
.tab-btn .ti { font-size: 17px; line-height: 1; }
.tab-btn.active { color: var(--brown); font-weight: 500; }
.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: 0; left: 10px; right: 10px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px 2px 0 0;
}

/* =========================================
   メインコンテンツ
   ========================================= */
.main {
  position: relative;
  z-index: 1;
  padding-top: calc(var(--tab-h) + 4px);
  padding-bottom: 48px;
}

.section {
  display: none;
  padding: 28px 18px 16px;
  animation: fadeUp 0.35s ease both;
}
.section.active { display: block; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =========================================
   共通パーツ
   ========================================= */
.sec-head { text-align: center; margin-bottom: 28px; }

.sec-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.25em;
  color: var(--brown);
}

.sec-title-en {
  display: block;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-top: 4px;
  text-transform: uppercase;
}

.sec-ornament {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 10px auto 0;
  width: 160px;
}
.sec-ornament::before, .sec-ornament::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}
.sec-ornament-diamond {
  width: 7px; height: 7px;
  background: var(--gold);
  transform: rotate(45deg);
  flex-shrink: 0;
}

.divider {
  display: flex; align-items: center; gap: 12px;
  margin: 24px 0;
}
.divider::before, .divider::after {
  content: '';
  flex: 1; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}
.divider span { color: var(--gold); font-size: 14px; }

/* =========================================
   §1 ご挨拶
   ========================================= */
.hero-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 28px;
  background: linear-gradient(160deg, var(--gold-light) 0%, var(--gold-mid) 60%, #4a8c54 100%);
}
.hero-img-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }

.hero-placeholder {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 10px;
}
.hero-placeholder::before {
  content: '';
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(255,255,255,0.55);
  border-radius: 3px;
}
.hero-placeholder .ph-icon { font-size: 40px; opacity: 0.55; }
.hero-placeholder .ph-text {
  font-family: 'Noto Serif JP', serif;
  font-size: 12px;
  color: rgba(28,56,32,0.6);
  letter-spacing: 0.15em;
}

.couple-block { text-align: center; margin-bottom: 24px; }
.couple-names {
  font-family: 'Noto Serif JP', serif;
  font-size: 26px; font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--brown);
  margin-bottom: 8px;
}
.couple-amp { font-size: 20px; color: var(--gold); margin: 0 10px; font-weight: 300; }
.wedding-date { font-size: 12px; letter-spacing: 0.25em; color: var(--gray); }
.wedding-venue { font-size: 12px; letter-spacing: 0.12em; color: var(--gray); margin-top: 4px; }

.greeting-text {
  font-size: 14px; line-height: 2.1;
  letter-spacing: 0.05em;
  color: var(--brown);
  text-align: center;
}
.greeting-sign {
  margin-top: 20px; text-align: right;
  font-family: 'Noto Serif JP', serif;
  font-size: 13px; letter-spacing: 0.15em; color: var(--gray);
}

/* =========================================
   §2 プロフィール
   ========================================= */
.profile-toggle {
  display: flex;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 22px;
}
.ptoggle-btn {
  flex: 1; padding: 12px 4px;
  font-family: 'Noto Serif JP', serif;
  font-size: 13px; letter-spacing: 0.06em;
  border: none; background: none;
  cursor: pointer; color: var(--gray);
  transition: all 0.25s;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  min-height: 44px;
}
.ptoggle-btn.active { background: var(--brown); color: var(--white); }

.profile-panel { display: none; }
.profile-panel.active { display: block; animation: fadeUp 0.3s ease both; }

/* 2人パネル：写真 */
.couple-photo-wrap {
  width: 100%; border-radius: 10px; overflow: hidden;
  margin-bottom: 16px; aspect-ratio: 3/2;
}
.couple-photo-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* 2人のあゆみ タイムライン */
.couple-timeline {
  margin-top: 18px; padding: 16px;
  background: var(--white); border: 1px solid var(--border); border-radius: 8px;
}
.couple-timeline-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 12px; letter-spacing: 0.12em; color: var(--gold); margin-bottom: 14px;
}
.ct-item {
  display: grid; grid-template-columns: 72px 20px 1fr;
  align-items: flex-start; gap: 0 8px; position: relative;
  padding-bottom: 14px;
}
.ct-item:last-child { padding-bottom: 0; }
.ct-item::before {
  content: '';
  position: absolute; left: 85px; top: 8px; bottom: -4px;
  width: 2px; background: var(--gold-light);
}
.ct-item:last-child::before { display: none; }
.ct-date {
  font-size: 11px; color: var(--gray); text-align: right;
  padding-top: 1px; line-height: 1.4;
}
.ct-dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--gold-light); border: 2px solid var(--gold);
  margin-top: 2px; flex-shrink: 0;
}
.ct-dot--today { background: var(--gold); }
.ct-body {
  font-family: 'Noto Serif JP', serif; font-size: 13px;
  color: var(--brown); line-height: 1.6;
}

.profile-avatar-wrap {
  width: 180px; height: 180px;
  margin: 0 auto 18px;
  position: relative;
}
.profile-avatar-wrap::before {
  content: '';
  position: absolute; inset: -7px;
  border: 1.5px solid var(--gold-light);
  border-radius: 50%;
}
.profile-avatar-wrap::after {
  content: '';
  position: absolute; inset: -12px;
  border: 1px solid var(--border);
  border-radius: 50%;
}
.profile-avatar {
  width: 180px; height: 180px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-mid));
  display: flex; align-items: center; justify-content: center;
  font-size: 40px; overflow: hidden;
}
.profile-avatar img { width: 100%; height: 100%; object-fit: cover; }

.profile-name {
  text-align: center;
  font-family: 'Noto Serif JP', serif;
  font-size: 22px; font-weight: 500;
  letter-spacing: 0.25em; margin-bottom: 3px;
}
.profile-role {
  text-align: center;
  font-size: 10px; letter-spacing: 0.25em;
  color: var(--gold); margin-bottom: 22px;
}

.profile-table { width: 100%; border-collapse: collapse; margin-bottom: 18px; }
.profile-table tr { border-bottom: 1px solid var(--border); }
.profile-table td { padding: 11px 6px; font-size: 13px; line-height: 1.7; vertical-align: middle; }
.profile-table td:first-child { width: 28%; color: var(--gray); letter-spacing: 0.05em; }
.profile-link { color: var(--gold); text-decoration: underline; text-underline-offset: 3px; }

.message-quote {
  background: var(--white); border: 1px solid var(--border);
  border-radius: 8px; padding: 16px 16px 14px; position: relative;
}
.message-quote::before {
  content: '\275D';
  position: absolute; top: -11px; left: 14px;
  font-size: 30px; color: var(--gold-light); line-height: 1;
}
.message-quote p { font-size: 13px; line-height: 2; color: var(--brown); padding-top: 4px; }

.artist-ranking {
  margin-top: 18px;
  background: var(--white); border: 1px solid var(--border);
  border-radius: 8px; padding: 14px 16px;
}
.artist-ranking-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 12px; letter-spacing: 0.12em; color: var(--gold);
  margin-bottom: 10px;
}
.artist-ranking-list {
  list-style: none; margin: 0; padding: 0; counter-reset: artist;
}
.artist-ranking-list li {
  counter-increment: artist;
  display: flex; align-items: center; gap: 10px;
  font-family: 'Noto Serif JP', serif; font-size: 13px; color: var(--brown);
  padding: 5px 0; border-bottom: 1px solid var(--gold-light);
}
.artist-ranking-list li:last-child { border-bottom: none; }
.artist-ranking-list li::before {
  content: counter(artist);
  display: flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; flex-shrink: 0;
  background: var(--gold); color: #fff;
  border-radius: 50%; font-size: 11px; font-weight: 500;
}
.artist-ranking-list li:first-child::before { background: #b8972a; }

/* =========================================
   §3 対談
   ========================================= */
.talk-q { text-align: center; margin: 20px 0 16px; }
.talk-q span {
  display: inline-block;
  background: var(--brown); color: var(--white);
  font-family: 'Noto Serif JP', serif;
  font-size: 13px; letter-spacing: 0.1em;
  padding: 7px 20px; border-radius: 20px;
}

.talk-row { display: flex; gap: 10px; margin-bottom: 14px; align-items: flex-start; }
.talk-row.right { flex-direction: row-reverse; }

.talk-avt {
  width: 42px; height: 42px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-mid));
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; border: 1.5px solid var(--border); overflow: hidden;
}
.talk-avt img { width: 100%; height: 100%; object-fit: cover; }

.talk-bwrap { flex: 1; min-width: 0; }
.talk-person { font-size: 10px; color: var(--gray); margin-bottom: 4px; letter-spacing: 0.05em; }
.talk-row.right .talk-person { text-align: right; }

.talk-bubble {
  display: inline-block; max-width: 100%;
  background: var(--white); border: 1px solid var(--border);
  border-radius: 0 12px 12px 12px;
  padding: 11px 14px; font-size: 13px; line-height: 1.85; color: var(--brown);
}
.talk-row.right .talk-bubble {
  border-radius: 12px 0 12px 12px;
  background: var(--bubble-r);
  text-align: left;
}
.talk-row.right .talk-bwrap { text-align: right; }

/* =========================================
   §4 謎解き — 入力欄
   ========================================= */
.quiz-hint-btn {
  display: block; width: 100%; margin-top: 14px;
  padding: 10px 16px;
  background: none; border: 1px dashed var(--border); border-radius: 8px;
  font-family: 'Noto Sans JP', sans-serif; font-size: 13px;
  color: var(--gray); cursor: pointer; letter-spacing: 0.05em;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.15s, color 0.15s;
}
.quiz-hint-btn:active { background: var(--gold-light); }
.quiz-hint {
  display: none; margin-top: 10px;
  padding: 10px 14px;
  background: var(--gold-light); border-radius: 8px;
  font-size: 13px; color: var(--brown); line-height: 1.7;
}
.quiz-hint.show { display: block; }
.quiz-input-row { display: flex; gap: 8px; margin-top: 12px; }
.quiz-input {
  flex: 1; padding: 12px 10px;
  border: 1px solid var(--border); border-radius: 8px;
  font-family: 'Noto Sans JP', sans-serif; font-size: 14px;
  background: var(--washi); color: var(--brown); outline: none;
  transition: border-color 0.2s; -webkit-appearance: none; appearance: none;
  min-width: 0;
}
.quiz-input:focus { border-color: var(--gold); }
.quiz-submit-btn {
  padding: 12px 18px; background: var(--brown); color: var(--white);
  border: none; border-radius: 8px;
  font-family: 'Noto Sans JP', sans-serif; font-size: 13px;
  cursor: pointer; letter-spacing: 0.05em; white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}
.quiz-submit-btn:active { background: var(--gold-mid); }
.quiz-next-btn {
  display: block; width: 100%; margin-top: 14px;
  padding: 12px 18px; background: var(--brown); color: var(--white);
  border: none; border-radius: 8px;
  font-family: 'Noto Sans JP', sans-serif; font-size: 13px;
  cursor: pointer; letter-spacing: 0.05em;
  -webkit-tap-highlight-color: transparent;
}
.quiz-next-btn:active { background: var(--gold-mid); }

/* 問題画像 */
.quiz-visual-img-wrap {
  margin: 14px 0;
  text-align: center;
}
.quiz-visual-img {
  max-width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
}

/* クイズ開始前イントロカード */
.quiz-start-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: 14px; padding: 32px 20px 28px;
  text-align: center;
}
.quiz-start-icon { font-size: 36px; margin-bottom: 12px; }
.quiz-start-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 18px; font-weight: 500; letter-spacing: 0.15em;
  color: var(--brown); margin-bottom: 18px;
}
.quiz-start-text {
  font-size: 14px; line-height: 2; color: var(--brown);
  margin-bottom: 28px;
}
.quiz-start-btn {
  display: inline-block; padding: 14px 32px;
  background: var(--brown); color: var(--white);
  border: none; border-radius: 8px;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 15px; letter-spacing: 0.1em;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.15s;
}
.quiz-start-btn:active { background: var(--gold-mid); }

/* 解答済みカード */
.quiz-card--solved {
  border-left: 3px solid var(--gold);
  padding-left: 12px;
}

/* =========================================
   §4 Music
   ========================================= */
.music-intro { font-size: 13px; text-align: center; color: var(--gray); line-height: 1.85; margin-bottom: 22px; }

.music-card {
  display: flex; align-items: flex-start; gap: 14px;
  background: var(--white); border: 1px solid var(--border);
  border-radius: 10px; padding: 13px; margin-bottom: 11px;
}

.music-jacket {
  width: 56px; height: 56px; border-radius: 7px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-mid));
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; overflow: hidden;
}
.music-jacket img { width: 100%; height: 100%; object-fit: cover; border-radius: 7px; }

.music-info { flex: 1; min-width: 0; }
.music-scene { font-size: 10px; color: var(--gold); letter-spacing: 0.15em; margin-bottom: 6px; text-transform: uppercase; }
.music-song { font-family: 'Noto Serif JP', serif; font-size: 13px; font-weight: 400; margin-bottom: 3px; }

.music-card.has-reason { cursor: pointer; -webkit-tap-highlight-color: transparent; }
.music-card.has-reason:active { opacity: 0.7; }

.music-scene-row {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 6px;
}
.music-scene-chevron {
  font-size: 16px; color: var(--gold); flex-shrink: 0;
  display: inline-block; transition: transform 0.25s ease;
}
.music-card.open .music-scene-chevron { transform: rotate(90deg); }

.music-scene-reason {
  font-size: 12px; color: var(--gray); line-height: 1.75;
  max-height: 0; overflow: hidden; margin-top: 0;
  transition: max-height 0.35s ease, margin-top 0.35s ease;
  border-left: 2px solid var(--gold-light); padding-left: 0;
}
.music-card.open .music-scene-reason {
  max-height: 300px; margin-top: 8px; padding-left: 8px;
}

.music-playlist-links { margin-top: 24px; }
.music-playlist-label {
  font-family: 'Noto Serif JP', serif;
  font-size: 13px; letter-spacing: 0.15em;
  color: var(--gray); text-align: center;
  margin-bottom: 12px;
}
.music-playlist-btn {
  display: flex; align-items: center; gap: 12px;
  border: 1.5px solid var(--pl-color, var(--border));
  border-radius: 10px; padding: 14px 16px;
  text-decoration: none; color: var(--brown);
  margin-bottom: 10px;
  transition: background 0.15s;
  -webkit-tap-highlight-color: transparent;
}
.music-playlist-btn:active { background: var(--gold-light); }
.music-playlist-icon { font-size: 22px; flex-shrink: 0; }
.music-playlist-name {
  flex: 1;
  font-family: 'Noto Serif JP', serif;
  font-size: 15px; font-weight: 500; letter-spacing: 0.08em;
}
.music-playlist-arrow { font-size: 18px; color: var(--border); flex-shrink: 0; }

/* =========================================
   §5 写真集
   ========================================= */
.photo-intro { font-size: 13px; text-align: center; color: var(--gray); line-height: 1.85; margin-bottom: 20px; }

/* 写真セクション切り替えボタン */
.photo-toggle {
  display: flex;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 18px;
}
.ptoggle-photo {
  flex: 1; padding: 13px 6px;
  font-family: 'Noto Serif JP', serif;
  font-size: 12px; letter-spacing: 0.06em;
  border: none; background: none;
  cursor: pointer; color: var(--gray);
  transition: all 0.25s;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  white-space: nowrap;
  min-height: 44px;
}
.ptoggle-photo.active { background: var(--brown); color: var(--white); }

.photo-panel { display: none; }
.photo-panel.active { display: block; animation: fadeUp 0.3s ease both; }

.photo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.photo-item { position: relative; border-radius: 5px; overflow: hidden; }
.photo-item.wide { grid-column: 1 / -1; }
.photo-item img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; display: block; }
.photo-item.wide img { aspect-ratio: 16 / 9; }

.photo-ph {
  width: 100%; aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, var(--gold-light) 0%, #8ec49a 100%);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 6px;
}
.photo-item.wide .photo-ph { aspect-ratio: 16 / 9; }
.photo-ph .ph-i { font-size: 26px; opacity: 0.5; }
.photo-ph .ph-c { font-size: 10px; color: var(--gray); letter-spacing: 0.1em; }

.photo-cap {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(28,56,32,0.7));
  color: white; font-size: 11px; letter-spacing: 0.05em;
  padding: 20px 8px 7px;
}

/* =========================================
   §5 写真（Wedding Share）
   ========================================= */

/* 写真共有ボタン */
.ws-link-btn {
  display: flex; align-items: center; gap: 14px;
  background: var(--brown); color: var(--white);
  border-radius: 12px; padding: 18px 20px;
  text-decoration: none;
  transition: opacity 0.2s;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  margin-bottom: 8px;
}
.ws-link-btn:active { opacity: 0.85; }
.ws-link-icon { font-size: 26px; flex-shrink: 0; }
.ws-link-text {
  flex: 1;
  font-family: 'Noto Serif JP', serif;
  font-size: 16px; font-weight: 500;
  letter-spacing: 0.1em;
}
.ws-link-arrow { font-size: 22px; opacity: 0.7; flex-shrink: 0; }

/* 使い方ガイド */
.ws-guide-head {
  font-family: 'Noto Serif JP', serif;
  font-size: 15px; font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--brown);
  margin-bottom: 16px;
}

.ws-step {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--white); border: 1px solid var(--border);
  border-radius: 10px; padding: 16px;
  margin-bottom: 10px;
}
.ws-step-num {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--brown); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Noto Serif JP', serif;
  font-size: 13px; font-weight: 500;
  flex-shrink: 0; margin-top: 1px;
}
.ws-step-body { flex: 1; min-width: 0; }
.ws-step-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 14px; font-weight: 500;
  color: var(--brown); margin-bottom: 5px;
  letter-spacing: 0.05em;
}
.ws-step-desc {
  font-size: 13px; line-height: 1.8;
  color: var(--gray);
}

/* =========================================
   §6 メッセージ
   ========================================= */
.msg-intro { font-size: 13px; text-align: center; color: var(--gray); line-height: 1.85; margin-bottom: 22px; }

.msg-search-box {
  background: var(--white); border: 1px solid var(--border);
  border-radius: 12px; padding: 20px; margin-bottom: 20px;
}
.msg-search-label {
  font-family: 'Noto Serif JP', serif;
  font-size: 14px; text-align: center;
  color: var(--brown); margin-bottom: 14px; letter-spacing: 0.1em;
}
.msg-input-row { display: flex; gap: 8px; }
.msg-input {
  flex: 1; padding: 12px 10px;
  border: 1px solid var(--border); border-radius: 8px;
  font-family: 'Noto Sans JP', sans-serif; font-size: 14px;
  background: var(--washi); color: var(--brown); outline: none;
  transition: border-color 0.2s; -webkit-appearance: none; appearance: none;
  min-width: 0;
}
.msg-input:focus { border-color: var(--gold); }
.msg-search-btn {
  padding: 12px 18px; background: var(--brown); color: var(--white);
  border: none; border-radius: 8px;
  font-family: 'Noto Sans JP', sans-serif; font-size: 13px;
  cursor: pointer; letter-spacing: 0.05em; white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}
.msg-search-btn:active { background: var(--gold-mid); }

.msg-result {
  display: none;
  background: var(--white); border: 1px solid var(--border);
  border-radius: 12px; padding: 24px 20px;
  position: relative; overflow: hidden;
  animation: fadeUp 0.3s ease both;
}
.msg-result.show { display: block; }
.msg-result::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--gold-light), var(--gold), var(--gold-light));
}
.msg-to { font-size: 11px; color: var(--gray); margin-bottom: 5px; letter-spacing: 0.1em; }
.msg-name {
  font-family: 'Noto Serif JP', serif;
  font-size: 21px; font-weight: 500;
  letter-spacing: 0.2em; color: var(--brown); margin-bottom: 18px;
}
.msg-body { font-size: 14px; line-height: 2.1; color: var(--brown); }
.msg-sign {
  margin-top: 20px; text-align: right;
  font-family: 'Noto Serif JP', serif;
  font-size: 12px; color: var(--gray); letter-spacing: 0.15em;
}

.msg-notfound { display: none; text-align: center; padding: 24px; color: var(--gray); font-size: 14px; line-height: 1.85; }
.msg-notfound.show { display: block; }

/* =========================================
   §7 リンク
   ========================================= */
.link-card {
  display: flex; align-items: center; gap: 16px;
  background: var(--white); border: 1px solid var(--border);
  border-radius: 10px; padding: 16px; margin-bottom: 11px;
  text-decoration: none; color: inherit;
  transition: transform 0.15s;
  -webkit-tap-highlight-color: transparent;
}
.link-card:active { transform: scale(0.98); }

.link-icon-wrap {
  width: 46px; height: 46px; border-radius: 11px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-mid));
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; flex-shrink: 0;
}
.link-text { flex: 1; min-width: 0; }
.link-title { font-family: 'Noto Serif JP', serif; font-size: 14px; font-weight: 500; margin-bottom: 3px; }
.link-desc { font-size: 12px; color: var(--gray); }
.link-arrow { color: var(--border); font-size: 17px; flex-shrink: 0; }

/* =========================================
   Today's Music — 公開前メッセージ
   ========================================= */
.music-locked {
  text-align: center;
  padding: 56px 20px 48px;
  animation: fadeUp 0.3s ease both;
}
.music-locked-icon { font-size: 44px; margin-bottom: 16px; }
.music-locked-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 18px; font-weight: 500;
  letter-spacing: 0.15em; color: var(--brown);
  margin-bottom: 10px;
}
.music-locked-desc {
  font-size: 13px; line-height: 1.9;
  color: var(--gray); margin-bottom: 16px;
}
.music-locked-countdown {
  font-family: 'Noto Serif JP', serif;
  font-size: 15px; font-weight: 500;
  color: var(--gold); letter-spacing: 0.1em;
}

/* =========================================
   フッター
   ========================================= */
.site-footer {
  text-align: center; padding: 32px 20px 20px;
  font-family: 'Noto Serif JP', serif;
  font-size: 12px; color: var(--gray); letter-spacing: 0.15em;
}
.site-footer .kamon { font-size: 22px; margin-bottom: 8px; color: var(--gold); }