/* ============================================================
   LANCER'S READING BLEND — Shared Stylesheet
   琥珀 × 羊皮紙 × 夜読書ラウンジ
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,500;0,600;1,300;1,400&family=Noto+Serif+JP:wght@300;400;500&family=IM+Fell+English:ital@0;1&display=swap');

/* ────── カラー変数 ────── */
:root {
  --amber-darkest: #1c1008;
  --amber-dark:    #2a1a0e;
  --amber-mid:     #3d2410;
  --amber-warm:    #6b3a1a;
  --amber-light:   #a0521a;
  --blend-gold:    #c4803a;
  --blend-gold2:   #d9954d;
  --parchment:     #FFF8E7;
  --parchment-d:   #f5e8c8;
  --parchment-dd:  #e8d5a8;
  --text-main:     #3d2410;
  --text-sub:      #6d4c31;
  --text-muted:    #9a7a5a;
  --border-light:  rgba(160,82,26,0.12);
  --border-gold:   rgba(196,128,58,0.35);
  --shadow-warm:   rgba(61,36,16,0.08);
}

/* ────── Night Mode ────── */
body.night-mode {
  --parchment:    #1c1008;
  --parchment-d:  #251508;
  --parchment-dd: #2a1a0e;
  --text-main:    #f0e0c0;
  --text-sub:     #c8a878;
  --text-muted:   #907060;
  --border-light: rgba(196,128,58,0.15);
  --border-gold:  rgba(196,128,58,0.4);
  --shadow-warm:  rgba(0,0,0,0.4);
}

/* ────── ベース ────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--parchment);
  color: var(--text-main);
  font-family: 'Noto Serif JP', serif;
  font-weight: 300;
  line-height: 1.8;
  transition: background-color 0.6s ease, color 0.4s ease;
  overflow-x: hidden;
}

/* 羊皮紙テクスチャ（body::before） */
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%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

/* ────── タイポグラフィ ────── */
.font-display  { font-family: 'Cormorant Garamond', serif; }
.font-italic   { font-family: 'IM Fell English', serif; font-style: italic; }
.font-body     { font-family: 'Noto Serif JP', serif; }

/* ────── ヘッダー：ティーラベル ────── */
.blend-header {
  position: relative;
  padding: 80px 24px 60px;
  text-align: center;
  border-bottom: 1px solid var(--border-light);
  background: linear-gradient(to bottom, var(--parchment-d) 0%, var(--parchment) 100%);
  overflow: hidden;
}

.blend-header::before {
  content: '';
  position: absolute;
  top: 0; left: 50%; transform: translateX(-50%);
  width: min(600px, 100%);
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--blend-gold), transparent);
}

.blend-header::after {
  content: '✦';
  position: absolute;
  bottom: -12px; left: 50%; transform: translateX(-50%);
  background: var(--parchment);
  color: var(--blend-gold);
  padding: 0 16px;
  font-size: 14px;
  letter-spacing: 2px;
}

.header-brand {
  font-family: 'IM Fell English', serif;
  font-style: italic;
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  letter-spacing: 0.25em;
  color: var(--blend-gold);
  display: block;
  margin-bottom: 12px;
}

.header-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2rem, 6vw, 3.8rem);
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 1.2;
  margin-bottom: 14px;
}

.header-subtitle {
  font-size: 0.75rem;
  letter-spacing: 0.4em;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* ────── ナビゲーション ────── */
.blend-nav {
  display: flex;
  justify-content: center;
  gap: 32px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-light);
}

.blend-nav a {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s;
}

.blend-nav a:hover { color: var(--blend-gold); }

/* ────── コンテナ ────── */
.blend-container {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 60px 20px 100px;
}

/* ────── セクションラベル ────── */
.section-eyebrow {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.65rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--blend-gold);
  opacity: 0.8;
  display: block;
  margin-bottom: 6px;
}

/* ────── Featured バナー ────── */
.featured-banner {
  position: absolute;
  top: 20px; right: 20px;
  font-family: 'IM Fell English', serif;
  font-style: italic;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--blend-gold);
  opacity: 0.7;
}

/* ────── Author Card（一覧） ────── */
.blend-card {
  position: relative;
  background: var(--parchment-d);
  border: 1px solid var(--border-light);
  border-radius: 24px;
  padding: 40px;
  margin-bottom: 40px;
  box-shadow: 0 8px 32px var(--shadow-warm);
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1),
              border-color 0.4s,
              box-shadow 0.4s;
  animation: cardFadeIn 0.5s ease both;
}

.blend-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-gold);
  box-shadow: 0 16px 48px var(--shadow-warm);
}

/* 湯気エフェクト */
.blend-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 0%, rgba(196,128,58,0.06) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.6s;
  pointer-events: none;
}
.blend-card:hover::after { opacity: 1; }

/* カードスタッガーアニメ */
@keyframes cardFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.blend-card:nth-child(1) { animation-delay: 0.05s; }
.blend-card:nth-child(2) { animation-delay: 0.15s; }
.blend-card:nth-child(3) { animation-delay: 0.25s; }
.blend-card:nth-child(4) { animation-delay: 0.35s; }

/* ────── 作者ヘッダー行 ────── */
.author-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

/* アバター */
.author-avatar {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  border: 2px solid var(--border-gold);
  overflow: hidden;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--parchment-dd);
}

.author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.author-avatar-fallback {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.6rem;
  color: var(--blend-gold);
  line-height: 1;
}

.author-info { flex: 1; min-width: 0; }

.author-blend-type {
  font-family: 'IM Fell English', serif;
  font-style: italic;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--blend-gold);
  display: block;
  margin-bottom: 3px;
}

.author-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  font-weight: 500;
  line-height: 1.2;
}

.author-name-en {
  font-family: 'IM Fell English', serif;
  font-style: italic;
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
}

/* ────── ジャンルタグ ────── */
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.tag-pill {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid var(--border-gold);
  color: var(--text-muted);
  background: transparent;
  transition: all 0.2s;
}

.tag-pill:hover {
  background: rgba(196,128,58,0.1);
  color: var(--blend-gold);
}

/* ────── Bio ────── */
.author-bio {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--text-sub);
  margin-bottom: 24px;
}

/* ────── Lancer's Note ────── */
.lancer-note {
  position: relative;
  border-left: 2px solid var(--blend-gold);
  padding: 16px 24px;
  margin: 24px 0;
  background: linear-gradient(135deg, rgba(196,128,58,0.06), transparent);
  border-radius: 0 12px 12px 0;
}

.lancer-note-label {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--blend-gold);
  display: block;
  margin-bottom: 10px;
  opacity: 0.8;
}

.lancer-note-text {
  font-family: 'IM Fell English', serif;
  font-style: italic;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text-sub);
}

/* ────── CTAボタン群 ────── */
.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.cta-btn {
  flex: 1;
  min-width: 120px;
  text-align: center;
  padding: 12px 16px;
  border-radius: 30px;
  text-decoration: none;
  font-family: 'Noto Serif JP', serif;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  border: 1px solid var(--amber-mid);
  color: var(--amber-mid);
  background: transparent;
  transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
  white-space: nowrap;
}

.cta-btn:hover {
  background: var(--blend-gold);
  border-color: var(--blend-gold);
  color: var(--parchment);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(196,128,58,0.25);
}

.cta-btn.primary {
  background: var(--amber-mid);
  color: var(--parchment);
}

.cta-btn.primary:hover {
  background: var(--blend-gold);
  border-color: var(--blend-gold);
}

.cta-btn.icon-x::before  { content: '𝕏  '; }
.cta-btn.icon-nr::before  { content: '📖  '; }
.cta-btn.icon-kk::before  { content: '📚  '; }
.cta-btn.icon-lp::before  { content: '→  '; }

/* ────── permission date ────── */
.permission-note {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-top: 20px;
  opacity: 0.6;
  text-align: right;
}

/* ────── Day/Night Toggle ────── */
.mode-toggle {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border-gold);
  background: var(--amber-mid);
  color: var(--parchment);
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  cursor: pointer;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  transition: all 0.3s;
}

.mode-toggle:hover {
  background: var(--blend-gold);
  transform: scale(1.05);
}

/* ────── Back link ────── */
.back-link {
  display: inline-block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: all 0.3s;
  margin-top: 60px;
}

.back-link:hover {
  color: var(--blend-gold);
  border-bottom-color: var(--blend-gold);
}

/* ────── Footer ────── */
.blend-footer {
  text-align: center;
  padding: 40px 20px;
  border-top: 1px solid var(--border-light);
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  opacity: 0.7;
}

/* ────── 個別LPスタイル ────── */
.profile-wrapper {
  max-width: 720px;
  margin: 0 auto;
  padding: 80px 24px 120px;
}

.profile-hero {
  text-align: center;
  padding: 60px 20px 50px;
  position: relative;
}

.profile-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 50%; transform: translateX(-50%);
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--blend-gold));
}

.profile-avatar-lg {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 2px solid var(--border-gold);
  margin: 0 auto 24px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--parchment-dd);
}

.profile-avatar-lg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-avatar-fallback-lg {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.4rem;
  color: var(--blend-gold);
}

.profile-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 300;
  margin-bottom: 6px;
}

.profile-name-en {
  font-family: 'IM Fell English', serif;
  font-style: italic;
  color: var(--blend-gold);
  font-size: 0.95rem;
  display: block;
  margin-bottom: 10px;
}

.profile-catchphrase {
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
}

.profile-card {
  background: var(--parchment-d);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  padding: 36px;
  margin-bottom: 20px;
  box-shadow: 0 6px 24px var(--shadow-warm);
}

/* ────── スマホ最優先 ────── */
@media (max-width: 600px) {
  .blend-header    { padding: 60px 20px 48px; }
  .blend-container { padding: 40px 16px 80px; }
  .blend-card      { padding: 28px 20px; border-radius: 18px; }
  .author-meta     { gap: 14px; }
  .author-avatar   { width: 56px; height: 56px; }
  .cta-group       { flex-direction: column; }
  .cta-btn         { min-width: unset; }
  .profile-wrapper { padding: 60px 16px 100px; }
  .profile-card    { padding: 24px 18px; }
  .blend-nav       { gap: 20px; }
}

@media (max-width: 400px) {
  .author-name { font-size: 1.3rem; }
  .header-title { font-size: 1.8rem; }
}

/* ────── Night mode 個別調整 ────── */
body.night-mode .blend-card,
body.night-mode .profile-card {
  background: var(--parchment-dd);
}

body.night-mode .blend-header {
  background: linear-gradient(to bottom, var(--amber-darkest), var(--parchment));
  border-bottom-color: var(--border-light);
}

body.night-mode .blend-header::after {
  background: var(--parchment);
}

body.night-mode .tag-pill {
  border-color: rgba(196,128,58,0.25);
}

body.night-mode .cta-btn {
  border-color: var(--blend-gold);
  color: var(--parchment-d);
}

body.night-mode .cta-btn.primary {
  background: var(--blend-gold);
  border-color: var(--blend-gold);
  color: var(--parchment);
}

/* ────── スクロールバー ────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--border-gold);
  border-radius: 2px;
}

/* ────── ダミーデータ注意書き ────── */
.demo-notice {
  margin: 0 auto 28px;
  padding: 14px 18px;
  max-width: 900px;
  border: 1px dashed var(--blend-gold);
  border-radius: 16px;
  background: rgba(196,128,58,0.06);
  color: var(--text-sub);
  font-size: 0.88rem;
  text-align: center;
  line-height: 1.8;
}