/* ═══════════════════════════════════════════════
   おうちくじ — style.css
   Aesthetic: Warm Letter / Scrapbook / くじ引き
   ═══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Klee+One:wght@400;600&family=Caveat:wght@400;600;700&family=Zen+Maru+Gothic:wght@400;500;700&display=swap');

:root {
  --bg:           #fdf6ee;
  --bg-card:      #fffaf5;
  --accent:       #c9614a;
  --accent-light: #f0a898;
  --accent-pale:  rgba(201,97,74,0.1);
  --accent-glow:  rgba(201,97,74,0.25);
  --rose:         #e8a0a0;
  --rose-pale:    rgba(232,160,160,0.15);
  --green:        #9aba98;
  --text:         #3d2b1f;
  --text-muted:   #9a7b6a;
  --text-faint:   #c9b5ab;
  --border:       rgba(180,120,90,0.18);
  --border-acc:   rgba(201,97,74,0.35);
  --shadow:       0 4px 20px rgba(100,60,40,0.10);
  --shadow-card:  0 8px 32px rgba(100,60,40,0.12);
  --font-main:    'Klee One', sans-serif;
  --font-zen:     'Zen Maru Gothic', sans-serif;
  --font-deco:    'Caveat', sans-serif;
  --radius:       16px;
  --radius-lg:    24px;
  --radius-xl:    32px;
  --transition:   0.3s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 20% 20%, rgba(240,168,152,0.12) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(154,186,152,0.10) 0%, transparent 50%),
    radial-gradient(circle, rgba(180,130,110,0.07) 1px, transparent 1px);
  background-size: auto, auto, 28px 28px;
  color: var(--text);
  font-family: var(--font-main);
  font-size: 15px;
  line-height: 1.75;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent-light); border-radius: 3px; }

/* ── HEADER ── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 36px;
  background: rgba(253,246,238,0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1.5px dashed rgba(180,120,90,0.25);
}
.site-header .logo {
  font-family: var(--font-deco);
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 8px;
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 24px;
}
.site-header nav a {
  font-family: var(--font-zen);
  font-size: 12px;
  color: var(--text-muted);
  transition: color var(--transition);
}
.site-header nav a:hover { color: var(--accent); }

.back-link {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-zen);
  font-size: 12px;
  color: var(--text-muted);
  transition: color var(--transition);
}
.back-link:hover { color: var(--accent); }

.page-wrap { padding-top: 68px; min-height: 100vh; }

/* ── HOME HERO ── */
.home-hero {
  padding: 64px 40px 40px;
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}
.home-hero .stamp {
  display: inline-block;
  font-family: var(--font-deco);
  font-size: 13px;
  color: var(--accent);
  border: 2px solid var(--accent-light);
  border-radius: 8px;
  padding: 4px 18px;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
  transform: rotate(-1.5deg);
}
.home-hero h1 {
  font-family: var(--font-deco);
  font-size: clamp(52px, 10vw, 88px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 16px;
}
.home-hero h1 .accent-word { color: var(--accent); }
.home-hero .subtitle {
  font-family: var(--font-zen);
  font-size: 14px;
  color: var(--text-muted);
  max-width: 380px;
  margin: 0 auto 8px;
  line-height: 1.9;
}
.deco-divider {
  text-align: center;
  color: var(--accent-light);
  font-size: 18px;
  letter-spacing: 12px;
  margin: 28px 0;
}

/* ── KUJI GRID ── */
.kuji-grid-section {
  padding: 0 32px 100px;
  max-width: 960px;
  margin: 0 auto;
}
.section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-zen);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.section-label::before,
.section-label::after {
  content: '';
  flex: 1;
  height: 1.5px;
  background: var(--border);
}
.kuji-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

/* ticket card */
.kuji-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  box-shadow: var(--shadow);
}
.kuji-card::before {
  content: '';
  position: absolute;
  left: 54px; top: 0; bottom: 0;
  width: 1.5px;
  background: repeating-linear-gradient(to bottom,
    var(--border) 0px, var(--border) 5px,
    transparent 5px, transparent 10px);
}
.kuji-card:hover {
  transform: translateY(-3px) rotate(0.3deg);
  box-shadow: var(--shadow-card);
  border-color: var(--border-acc);
}
.ticket-stub { min-width: 38px; text-align: center; flex-shrink: 0; }
.ticket-num {
  font-family: var(--font-deco);
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.ticket-label {
  font-family: var(--font-zen);
  font-size: 9px;
  color: var(--text-faint);
  letter-spacing: 0.05em;
  margin-top: 2px;
}
.card-artwork {
  width: 48px; height: 48px;
  border-radius: 10px;
  background: var(--accent-pale);
  flex-shrink: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}
.card-artwork img { width: 100%; height: 100%; object-fit: cover; }
.card-info { flex: 1; min-width: 0; }
.card-title {
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}
.card-meta {
  font-family: var(--font-zen);
  font-size: 11px;
  color: var(--text-muted);
}
.card-arrow {
  font-size: 16px;
  color: var(--text-faint);
  flex-shrink: 0;
  transition: transform var(--transition), color var(--transition);
}
.kuji-card:hover .card-arrow { color: var(--accent); transform: translateX(4px); }

/* ── KUJI PAGE / LETTER CARD ── */
.kuji-hero {
  padding: 48px 40px 56px;
  max-width: 800px;
  margin: 0 auto;
}
.letter-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px 52px;
  position: relative;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.letter-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 6px;
  background: repeating-linear-gradient(90deg,
    var(--accent-light) 0px, var(--accent-light) 12px,
    transparent 12px, transparent 18px,
    var(--rose) 18px, var(--rose) 30px,
    transparent 30px, transparent 36px);
  opacity: 0.6;
}
.letter-card::after {
  content: '';
  position: absolute;
  bottom: -60px; right: -60px;
  width: 180px; height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--rose-pale), transparent 70%);
  pointer-events: none;
}

.letter-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-zen);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 20px;
}
.letter-eyebrow .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-light);
}
.letter-title {
  font-family: var(--font-deco);
  font-size: clamp(36px, 6vw, 56px);
  font-weight: 700;
  color: var(--text);
  line-height: 1.15;
  margin-bottom: 14px;
}
.letter-title .num-accent { color: var(--accent); }
.letter-desc {
  font-family: var(--font-zen);
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.95;
  max-width: 380px;
  margin-bottom: 36px;
}

/* artwork */
.artwork-frame {
  position: absolute;
  top: 40px; right: 48px;
  width: 110px; height: 110px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--accent-pale);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 44px;
  box-shadow: 4px 4px 16px rgba(100,60,40,0.12);
  transform: rotate(2deg);
  transition: transform var(--transition);
}
.artwork-frame:hover { transform: rotate(0deg) scale(1.04); }
.artwork-frame img { width: 100%; height: 100%; object-fit: cover; }

/* ── VOICE PLAYER ── */
.voice-player {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--bg);
  border: 1.5px dashed var(--border-acc);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  max-width: 420px;
}
.play-btn {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 6px 20px var(--accent-glow);
}
.play-btn:hover { transform: scale(1.08); }
.play-btn:active { transform: scale(0.95); }
.play-btn.playing { background: var(--text); }
.play-btn svg { width: 20px; height: 20px; }
.play-btn .icon-play  { display: block; }
.play-btn .icon-pause { display: none; }
.play-btn.playing .icon-play  { display: none; }
.play-btn.playing .icon-pause { display: block; }

.player-controls { flex: 1; }
.player-label {
  font-family: var(--font-zen);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.player-time {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-deco);
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.progress-bar {
  width: 100%; height: 4px;
  background: var(--text-faint);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(to right, var(--accent-light), var(--accent));
  border-radius: 2px;
  width: 0%;
  transition: width 0.1s linear;
  position: relative;
}
.progress-fill::after {
  content: '';
  position: absolute;
  right: -6px; top: 50%;
  transform: translateY(-50%);
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0;
  transition: opacity var(--transition);
}
.progress-bar:hover .progress-fill::after { opacity: 1; }
.player-status {
  font-family: var(--font-zen);
  font-size: 10px;
  color: var(--text-faint);
  margin-top: 8px;
}
.player-status.active { color: var(--accent); }
.audio-error {
  font-family: var(--font-zen);
  font-size: 11px;
  color: #c05050;
  margin-top: 8px;
  display: none;
}

/* waveform decoration */
.waveform-deco {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 28px;
  margin-top: 16px;
}
.waveform-deco .bar {
  width: 3px;
  border-radius: 2px;
  background: var(--accent-light);
  animation: wave 1.3s ease-in-out infinite;
  opacity: 0.35;
}
.waveform-deco .bar:nth-child(1) { height: 8px;  animation-delay: 0.0s; }
.waveform-deco .bar:nth-child(2) { height: 16px; animation-delay: 0.1s; }
.waveform-deco .bar:nth-child(3) { height: 22px; animation-delay: 0.2s; }
.waveform-deco .bar:nth-child(4) { height: 16px; animation-delay: 0.3s; }
.waveform-deco .bar:nth-child(5) { height: 9px;  animation-delay: 0.4s; }
.waveform-deco .bar:nth-child(6) { height: 19px; animation-delay: 0.15s; }
.waveform-deco .bar:nth-child(7) { height: 12px; animation-delay: 0.25s; }
.waveform-deco .bar:nth-child(8) { height: 22px; animation-delay: 0.05s; }
.waveform-deco .bar:nth-child(9) { height: 14px; animation-delay: 0.35s; }
.waveform-deco.playing .bar { opacity: 1; }
@keyframes wave {
  0%, 100% { transform: scaleY(0.5); }
  50% { transform: scaleY(1); }
}

.scroll-hint {
  text-align: center;
  margin-top: 44px;
  font-family: var(--font-zen);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  animation: floatDown 2.5s ease-in-out infinite;
}
.scroll-hint .hint-emoji { font-size: 18px; display: block; margin-bottom: 4px; }
@keyframes floatDown {
  0%, 100% { transform: translateY(0); opacity: 0.5; }
  50% { transform: translateY(8px); opacity: 1; }
}

/* ── TODAY'S MUSIC ── */
.today-section {
  padding: 0 40px 100px;
  max-width: 800px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.today-section.visible { opacity: 1; transform: translateY(0); }

.today-header { text-align: center; margin-bottom: 32px; }
.today-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-pale);
  border: 1.5px solid var(--accent-light);
  border-radius: 999px;
  padding: 6px 18px;
  font-family: var(--font-zen);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 14px;
}
.today-header h2 {
  font-family: var(--font-deco);
  font-size: 30px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}
.today-header .today-sub {
  font-family: var(--font-zen);
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.8;
}

.fav-section {
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 8px;
}
.fav-section::-webkit-scrollbar { display: none; }
.fav-cards { display: flex; gap: 20px; width: max-content; }

.fav-card {
  width: 340px;
  flex-shrink: 0;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.fav-card:hover {
  transform: translateY(-4px) rotate(0.3deg);
  box-shadow: var(--shadow-card);
  border-color: var(--border-acc);
}

.yt-embed-wrap {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  background: #1a1008;
}
.yt-embed-wrap iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: 0;
}
.yt-thumbnail {
  position: absolute;
  inset: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}
.yt-thumbnail img { width: 100%; height: 100%; object-fit: cover; }
.yt-thumbnail .yt-play-icon {
  position: absolute;
  width: 56px; height: 56px;
  background: rgba(255,255,255,0.92);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: transform var(--transition);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.yt-thumbnail:hover .yt-play-icon { transform: scale(1.1); }
.yt-thumbnail .yt-play-icon::after {
  content: '';
  width: 0; height: 0;
  border-style: solid;
  border-width: 9px 0 9px 18px;
  border-color: transparent transparent transparent var(--accent);
  margin-left: 3px;
}
.yt-thumbnail.hidden { display: none; }

.yt-owner-tag {
  position: absolute;
  top: 10px; left: 10px;
  z-index: 3;
  font-family: var(--font-zen);
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 999px;
  pointer-events: none;
}
.yt-owner-tag.me  { background: rgba(201,97,74,0.85);  color: #fff; }
.yt-owner-tag.you { background: rgba(154,186,152,0.9); color: #fff; }

.fav-card-body { padding: 14px 18px 18px; }
.fav-card-title {
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
  line-height: 1.4;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.fav-card-channel {
  font-family: var(--font-zen);
  font-size: 11px;
  color: var(--text-muted);
}

/* ── Animations ── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp 0.6s ease forwards;
}
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }

/* ── Footer ── */
.site-footer {
  text-align: center;
  padding: 28px 40px;
  font-family: var(--font-zen);
  font-size: 12px;
  color: var(--text-faint);
  border-top: 1.5px dashed rgba(180,120,90,0.2);
}
.site-footer a { color: var(--text-muted); transition: color var(--transition); }
.site-footer a:hover { color: var(--accent); }
.site-footer .heart { color: var(--rose); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .site-header { padding: 12px 18px; }
  .home-hero { padding: 40px 20px 28px; }
  .kuji-grid-section { padding: 0 16px 80px; }
  .kuji-grid { grid-template-columns: 1fr; }
  .kuji-hero { padding: 28px 16px 48px; }
  .letter-card { padding: 32px 22px; }
  .artwork-frame { position: static; transform: none; margin-bottom: 20px; }
  .today-section { padding: 0 16px 80px; }
  .fav-card { width: 290px; }
}


/* ════════════════════════════════════════
   パスワードオーバーレイ
   ════════════════════════════════════════ */

#pw-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg);
  background-image:
    radial-gradient(circle at 25% 30%, rgba(240,168,152,0.18) 0%, transparent 50%),
    radial-gradient(circle at 75% 70%, rgba(154,186,152,0.14) 0%, transparent 50%),
    radial-gradient(circle, rgba(180,130,110,0.07) 1px, transparent 1px);
  background-size: auto, auto, 28px 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease;
}

#pw-overlay.pw-unlocked {
  opacity: 0;
  pointer-events: none;
}

.pw-box {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 52px 48px 44px;
  width: min(400px, 90vw);
  text-align: center;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  animation: pwBoxIn 0.5s cubic-bezier(0.34,1.56,0.64,1) both;
}

/* 上部カラーボーダー */
.pw-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 6px;
  background: repeating-linear-gradient(90deg,
    var(--accent-light) 0px, var(--accent-light) 12px,
    transparent 12px, transparent 18px,
    var(--rose) 18px, var(--rose) 30px,
    transparent 30px, transparent 36px);
  opacity: 0.6;
}

@keyframes pwBoxIn {
  from { opacity: 0; transform: translateY(24px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.pw-deco {
  font-size: 48px;
  margin-bottom: 16px;
  animation: pwFloat 3s ease-in-out infinite;
}
@keyframes pwFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}

.pw-title {
  font-family: var(--font-deco);
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.pw-sub {
  font-family: var(--font-zen);
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 28px;
}

.pw-input-wrap {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
}

.pw-input {
  flex: 1;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-deco);
  font-size: 20px;
  letter-spacing: 0.2em;
  text-align: center;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.pw-input:focus {
  border-color: var(--border-acc);
  box-shadow: 0 0 0 3px var(--accent-pale);
}
.pw-input.shake {
  animation: pwShake 0.5s ease;
  border-color: #c05050;
}
@keyframes pwShake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-6px); }
  40%       { transform: translateX(6px); }
  60%       { transform: translateX(-4px); }
  80%       { transform: translateX(4px); }
}

.pw-submit {
  padding: 12px 20px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  font-family: var(--font-zen);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  white-space: nowrap;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  box-shadow: 0 4px 14px var(--accent-glow);
}
.pw-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-glow);
}
.pw-submit:active { transform: scale(0.96); }

.pw-error {
  font-family: var(--font-zen);
  font-size: 12px;
  color: #c05050;
  height: 18px;
  opacity: 0;
  transition: opacity 0.2s ease;
  margin-bottom: 20px;
}
.pw-error.show { opacity: 1; }

.pw-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 4px;
}
.pw-dots span {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-light);
  opacity: 0.4;
  animation: pwDotPulse 1.4s ease-in-out infinite;
}
.pw-dots span:nth-child(2) { animation-delay: 0.2s; }
.pw-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes pwDotPulse {
  0%, 100% { opacity: 0.3; transform: scale(0.9); }
  50%       { opacity: 1;   transform: scale(1.2); }
}