/* ======================================================
   KUSUNOKI Publishing — Editorial / D-Plan
   Reference aesthetic: Penguin Classics × Aesop × Kinfolk
   Palette: D案 深紺墨 × 卵殻 × ディープインクグリーン
   ====================================================== */

:root{
  /* --- D案：欧州古典装丁パレット（紺×卵殻×深緑）+ クスノキ独自アクセント --- */
  --ink:          #0f1a33;       /* 本文：深紺墨 */
  --ink-soft:     #1a2a6c;       /* 見出し：ブランドネイビー */
  --ink-mute:     #222c44;       /* 副文字（2026-04-23 さらに濃度UP：元#3a4258 → 読みづらい指摘対応） */
  --ink-whisper:  #3e4660;       /* 細字ラベル（元#6d7689） */

  --paper:        #f9f6f1;       /* 背景：卵殻色 */
  --paper-warm:   #f3eee4;       /* セクション交互 */
  --paper-deep:   #ebe4d5;       /* アクセント淡 */
  --paper-white:  #fdfbf7;       /* カード面 */

  --line:         #d8d0bf;
  --line-fine:    rgba(15, 26, 51, 0.08);

  --obsidian:     #0a1128;       /* Dark Reverse */
  --obsidian-mid: #121b3d;

  /* クスノキ独自アクセント：深緑（楠の幹） */
  --accent:       #2c5f2d;       /* ディープインクグリーン */
  --accent-deep:  #1f4520;       /* 森林 */
  --accent-soft:  #7a9a7b;       /* 淡緑 */
  --accent-gold:  #b68a35;       /* 金泥（紙背差し色） */

  /* レーベル識別色 */
  --brand-tsumugi: #8b2f3d;      /* 紡出版：臙脂 */
  --brand-kusunoki:#2c5f2d;      /* クスノキ：深緑 */
  /* 星屑レーベルはクスノキHP非掲載（2026-04-23 代表指示） */

  --serif:  'Cormorant Garamond', 'Shippori Mincho', 'Times New Roman', serif;
  --mincho: 'Shippori Mincho', '游明朝', 'Yu Mincho', serif;
  --sans:   'Noto Sans JP', -apple-system, 'Helvetica Neue', Arial, sans-serif;

  --ease:    cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in: cubic-bezier(0.55, 0, 0.55, 0.2);
  --dur:     0.7s;

  --maxw:    1280px;
  --maxw-narrow: 920px;
  --gutter:  clamp(20px, 4vw, 40px);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.85;
  font-weight:400; /* 2026-04-23 細字→標準に（元300）*/
  font-feature-settings:"palt" 1, "kern" 1;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  letter-spacing:0.01em;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:color .3s var(--ease), opacity .3s var(--ease)}
img,svg,video{max-width:100%;display:block;height:auto}
::selection{background:var(--ink);color:var(--paper)}

.container{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.container-narrow{max-width:var(--maxw-narrow);margin:0 auto;padding:0 var(--gutter)}

/* ======================================================
   HEADER
   ====================================================== */
.site-header{
  background:var(--paper-white);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:100;
  box-shadow:0 1px 0 rgba(15,26,51,.04), 0 8px 24px rgba(15,26,51,.06);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:78px;gap:40px;
}
.brand{display:flex;align-items:center;gap:14px;flex-shrink:0;text-decoration:none}
.brand-mark{
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--accent-deep);color:var(--paper);
  font-family:var(--mincho);font-weight:700;font-size:20px;
  box-shadow:0 2px 8px rgba(31,69,32,.25);
  letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;white-space:nowrap}
.brand-name{
  font-family:var(--serif);font-weight:500;font-size:19px;
  letter-spacing:0.03em;color:var(--ink);white-space:nowrap;
}
.brand-sub{
  font-family:var(--serif);font-style:italic;
  font-size:10px;letter-spacing:.22em;color:var(--ink-mute);
  text-transform:uppercase;white-space:nowrap;
}
.nav{display:flex;gap:36px}
.nav a{
  font-size:12px;font-weight:400;color:var(--ink-soft);
  letter-spacing:0.18em;text-transform:uppercase;
  padding:8px 0;position:relative;
  transition:color .3s var(--ease);
}
.nav a::before{
  content:'';position:absolute;left:0;bottom:2px;
  width:0;height:1px;background:var(--accent);
  transition:width .4s var(--ease);
}
.nav a:hover::before,.nav a.active::before{width:100%}
.nav a:hover,.nav a.active{color:var(--ink)}
@media(max-width:900px){
  .header-inner{gap:20px}
  .nav{gap:22px}
}
@media(max-width:720px){
  .nav{gap:16px}
  .nav a{font-size:11px;letter-spacing:.12em}
  .brand-sub{display:none}
  .brand-name{font-size:16px}
}
@media(max-width:560px){
  .header-inner{height:64px;gap:12px}
  .nav{gap:12px}
  .nav a{font-size:10px;letter-spacing:.08em}
}

/* ======================================================
   HERO — 編集雑誌の表紙
   ====================================================== */
.hero{
  background:var(--paper);
  min-height:calc(100vh - 78px);
  display:flex;align-items:center;position:relative;overflow:hidden;
}
.hero::before{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(ellipse at 80% 30%, rgba(44,95,45,.07) 0%, transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(15,26,51,.04) 0%, transparent 50%);
  pointer-events:none;
}
.hero-inner{
  position:relative;display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:clamp(40px,8vw,100px);
  align-items:center;
  padding-top:clamp(60px,10vw,120px);
  padding-bottom:clamp(60px,10vw,120px);
}
@media(max-width:860px){
  .hero-inner{grid-template-columns:1fr;gap:48px}
}
.hero-eyebrow{
  font-family:var(--serif);font-style:italic;
  font-size:13px;letter-spacing:.4em;text-transform:uppercase;
  color:var(--ink-mute);margin-bottom:32px;
  display:flex;align-items:center;gap:16px;
  white-space:nowrap;
}
.hero-eyebrow::before{
  content:'';width:40px;height:1px;background:var(--accent);
}
.hero-title{
  font-family:var(--serif);
  font-size:clamp(40px,7vw,88px);
  line-height:1.1;font-weight:400;color:var(--ink);
  letter-spacing:-0.01em;margin-bottom:40px;
}
.hero-title .accent{color:var(--accent);font-style:italic;font-weight:500}
.hero-title .line{display:block}
.hero-lead{
  font-size:15px;line-height:2.2;color:var(--ink-mute);
  margin-bottom:48px;max-width:480px;font-weight:400;
}
.hero-ctas{display:flex;gap:20px;flex-wrap:wrap;align-items:center}
.hero-visual{
  position:relative;display:flex;justify-content:center;align-items:center;
  aspect-ratio:4/5;
}
.hero-visual::after{
  content:'';position:absolute;inset:0;border:1px solid var(--line);
  transform:translate(24px,24px);z-index:-1;
  transition:transform .7s var(--ease);
}
.hero-visual:hover::after{transform:translate(16px,16px)}
.hero-visual img{
  width:100%;height:100%;object-fit:contain;max-height:640px;
  filter:saturate(1.05) contrast(1.02);
}
.hero-visual-placeholder{
  width:100%;height:100%;max-height:640px;
  background:
    linear-gradient(160deg, var(--accent-deep) 0%, var(--accent) 55%, #2f4b38 100%),
    radial-gradient(ellipse at 70% 20%, rgba(182,138,53,.2), transparent 60%);
  background-blend-mode:overlay;
  display:flex;align-items:flex-end;justify-content:flex-start;
  padding:48px;color:var(--paper);
  position:relative;
}
.hero-visual-placeholder::before{
  content:'';position:absolute;top:20px;left:20px;right:20px;bottom:20px;
  border:1px solid rgba(249,246,241,.25);pointer-events:none;
}
.hero-visual-placeholder .v-eyebrow{
  font-family:var(--serif);font-style:italic;font-size:11px;
  letter-spacing:.4em;text-transform:uppercase;opacity:.8;
  display:block;margin-bottom:10px;
}
.hero-visual-placeholder .v-title{
  font-family:var(--serif);font-size:28px;line-height:1.3;font-weight:500;
}
.hero-scroll-hint{
  position:absolute;bottom:32px;left:50%;transform:translateX(-50%);
  font-family:var(--serif);font-size:11px;letter-spacing:.4em;
  color:var(--ink-mute);text-transform:uppercase;
  display:flex;flex-direction:column;align-items:center;gap:14px;
  font-style:italic;
}
.hero-scroll-hint::after{
  content:'';width:1px;height:40px;
  background:linear-gradient(to bottom, var(--ink-mute), transparent);
  animation:scrollHint 2.2s var(--ease) infinite;
}
@keyframes scrollHint{
  0%{transform:scaleY(0);transform-origin:top}
  50%{transform:scaleY(1);transform-origin:top}
  51%{transform:scaleY(1);transform-origin:bottom}
  100%{transform:scaleY(0);transform-origin:bottom}
}

/* ======================================================
   PAGE HERO（下層ページ共通）— 墨色ブロック
   ====================================================== */
.page-hero{
  background:var(--obsidian);color:var(--paper);
  padding:clamp(100px,14vw,180px) 0 clamp(60px,10vw,120px);
  position:relative;overflow:hidden;
}
.page-hero::before{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(circle at 80% 20%, rgba(44,95,45,.2) 0%, transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(182,138,53,.08) 0%, transparent 40%);
}
.page-hero > .container{position:relative}
.page-hero .eyebrow{
  font-family:var(--serif);font-style:italic;font-size:12px;
  letter-spacing:.4em;text-transform:uppercase;
  color:var(--accent-soft);margin-bottom:24px;
  display:inline-flex;align-items:center;gap:14px;
}
.page-hero .eyebrow::before{
  content:'';width:32px;height:1px;background:var(--accent);
}
.page-title{
  font-family:var(--serif);font-size:clamp(40px,6vw,72px);
  font-weight:400;letter-spacing:-.01em;margin-bottom:28px;
  line-height:1.12;
}
.page-lead{
  font-size:15px;color:rgba(249,246,241,.8);max-width:640px;
  line-height:2.1;font-weight:400;
}

.eyebrow{
  font-family:var(--serif);font-style:italic;font-size:12px;
  letter-spacing:.4em;text-transform:uppercase;
  color:var(--accent);margin-bottom:18px;
  display:inline-flex;align-items:center;gap:14px;
}
.eyebrow::before{
  content:'';width:28px;height:1px;background:currentColor;opacity:.5;
}

/* ======================================================
   BUTTONS
   ====================================================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:14px;
  padding:18px 36px;font-size:12px;font-weight:400;
  letter-spacing:.25em;text-transform:uppercase;
  cursor:pointer;transition:all .4s var(--ease);
  border:1px solid transparent;font-family:inherit;
  background:transparent;border-radius:0;position:relative;overflow:hidden;
}
.btn-primary{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn-primary::before{
  content:'';position:absolute;inset:0;background:var(--accent);
  transform:translateY(100%);transition:transform .4s var(--ease);z-index:0;
}
.btn-primary:hover::before{transform:translateY(0)}
.btn-primary span,.btn-primary{position:relative;z-index:1}
.btn-primary:hover{border-color:var(--accent)}
.btn-ghost{
  color:var(--ink);border-color:var(--ink);background:transparent;
}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-ghost-light{
  color:var(--paper);border-color:rgba(249,246,241,.6);background:transparent;
}
.btn-ghost-light:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.btn-link{
  color:var(--accent);padding:14px 0;letter-spacing:.18em;
  border-bottom:1px solid var(--accent);
}
.btn-link:hover{color:var(--accent-deep);border-color:var(--accent-deep)}
.btn[aria-disabled="true"]{opacity:.5;pointer-events:none}

/* ======================================================
   SECTION COMMON
   ====================================================== */
.section{padding:clamp(80px,12vw,150px) 0;position:relative}
.section-alt{background:var(--paper-warm)}
.section-head{margin-bottom:clamp(48px,7vw,80px)}
.section-head.center{text-align:center}
.section-head.center .eyebrow{justify-content:center;display:flex}
.section-title{
  font-family:var(--serif);
  font-size:clamp(30px,4.5vw,52px);
  font-weight:400;letter-spacing:-.01em;line-height:1.18;
  color:var(--ink);margin-bottom:18px;
}
.section-title .accent{color:var(--accent);font-style:italic}
.section-kicker{
  font-size:14px;color:var(--ink-mute);max-width:620px;
  line-height:2.1;
}
.section-head.center .section-kicker{margin:0 auto}

/* ======================================================
   2 LABELS（紡出版/クスノキ）
   ====================================================== */
.labels-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:32px;
}
/* 2レーベル体制：中央寄せ2列 */
.labels-grid.labels-grid-2{
  grid-template-columns:repeat(2,minmax(280px,420px));
  justify-content:center;
}
@media(max-width:860px){
  .labels-grid,
  .labels-grid.labels-grid-2{grid-template-columns:1fr}
}
.label-card{
  background:var(--paper-white);padding:56px 40px;
  border:1px solid var(--line);position:relative;
  transition:transform .5s var(--ease), box-shadow .5s var(--ease);
  display:flex;flex-direction:column;gap:18px;
  overflow:hidden;
}
.label-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--brand-tsumugi);
}
.label-card.is-kusunoki::before{background:var(--brand-kusunoki)}
.label-card:hover{transform:translateY(-6px);box-shadow:0 24px 60px rgba(15,26,51,.08)}
.label-mark{
  font-family:var(--mincho);font-weight:700;font-size:44px;
  color:var(--brand-tsumugi);line-height:1;letter-spacing:0;
}
.label-card.is-kusunoki .label-mark{color:var(--brand-kusunoki)}
.label-name{
  font-family:var(--serif);font-size:26px;font-weight:500;
  color:var(--ink);letter-spacing:.02em;
}
.label-roma{
  font-family:var(--serif);font-style:italic;font-size:12px;
  letter-spacing:.3em;color:var(--ink-mute);text-transform:uppercase;
  display:block;margin-top:4px;
}
.label-role{
  font-size:11px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--accent);padding:6px 12px;border:1px solid var(--accent);
  display:inline-block;align-self:flex-start;
}
.label-card p{
  font-size:14px;line-height:2;color:var(--ink-mute);margin:0;
}

/* ======================================================
   FEATURED BOOK（トップ：最新作）
   ====================================================== */
.book-feature{
  display:grid;grid-template-columns:380px 1fr;gap:80px;align-items:center;
}
@media(max-width:860px){
  .book-feature{grid-template-columns:1fr;gap:48px;justify-items:center}
}
.book-feature-cover{
  position:relative;aspect-ratio:3/4;width:100%;max-width:380px;
  transition:transform .6s var(--ease);
  box-shadow:
    0 4px 8px rgba(15,26,51,.1),
    0 30px 70px rgba(15,26,51,.22);
}
.book-feature-cover:hover{transform:translateY(-6px)}
.book-feature-cover img{
  width:100%;height:100%;object-fit:cover;
}
.book-feature-cover::after{
  content:'';position:absolute;inset:0;border:1px solid rgba(182,138,53,.3);
  pointer-events:none;
}
.book-feature-body .book-tag{
  display:inline-block;
  background:transparent;color:var(--accent);
  font-family:var(--serif);font-style:italic;
  font-size:12px;letter-spacing:.25em;text-transform:uppercase;
  padding:0 0 14px;border-bottom:1px solid var(--accent);
  margin-bottom:24px;
}
.book-feature-body .book-title{
  font-family:var(--serif);
  font-size:clamp(28px,3.6vw,44px);font-weight:400;
  line-height:1.25;margin-bottom:28px;color:var(--ink);
  letter-spacing:-.005em;
}
.book-feature-body .book-subtitle{
  display:block;font-family:var(--mincho);
  font-size:.6em;color:var(--accent);font-weight:500;font-style:normal;
  margin-top:8px;letter-spacing:.04em;
}
.book-feature-body .book-lead{
  font-family:var(--mincho);font-size:16px;line-height:2.15;
  margin-bottom:36px;color:var(--ink);
}

/* ======================================================
   BOOK GRID
   ====================================================== */
.book-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));
  gap:36px;
}
.book-grid.book-grid-single{
  grid-template-columns:minmax(280px,360px);
  justify-content:center;
}
.book-card{
  display:flex;flex-direction:column;gap:18px;
  background:transparent;transition:transform .5s var(--ease);
}
.book-card:hover{transform:translateY(-6px)}
.book-card-cover{
  /* Kindle標準カバー比率 1600x2560 = 5:8 に合わせる */
  position:relative;aspect-ratio:5/8;overflow:hidden;
  background:var(--paper-deep);
  box-shadow:
    0 2px 4px rgba(15,26,51,.1),
    0 18px 40px rgba(15,26,51,.18);
}
.book-card-cover img{
  width:100%;height:100%;
  /* 実カバー画像そのまま表示（切り抜き禁止） */
  object-fit:contain;
  display:block;
  background:var(--paper-deep);
  transition:transform .6s var(--ease);
}
.book-card:hover .book-card-cover img{transform:scale(1.05)}
.book-card-cover::after{
  content:'';position:absolute;inset:0;border:1px solid rgba(182,138,53,.28);
  pointer-events:none;
}
.book-card-cover .cover-mock{
  position:absolute;inset:0;padding:24px 20px;
  display:flex;flex-direction:column;justify-content:space-between;
  color:var(--paper);
}
.book-card-cover .cover-series{
  font-family:var(--mincho);font-size:10px;letter-spacing:.3em;
  color:rgba(249,246,241,.8);
}
.book-card-cover .cover-title{
  font-family:var(--mincho);font-size:22px;font-weight:700;
  line-height:1.35;letter-spacing:.05em;
}
.book-card-cover .cover-author{
  font-family:var(--mincho);font-size:12px;text-align:right;
  letter-spacing:.2em;color:rgba(249,246,241,.8);
}
.book-card-cover.is-upcoming{
  background:
    repeating-linear-gradient(45deg, var(--paper-deep) 0 10px, var(--paper-warm) 10px 20px);
  display:grid;place-items:center;box-shadow:none;border:1px dashed var(--line);
}
.book-card-cover.is-upcoming .upcoming-label{
  font-family:var(--serif);font-style:italic;font-size:14px;
  letter-spacing:.3em;color:var(--ink-mute);text-transform:uppercase;
}
.book-card-body{display:flex;flex-direction:column;gap:8px}
.book-card-body .book-tag{
  font-family:var(--serif);font-style:italic;font-size:11px;
  letter-spacing:.25em;color:var(--accent);text-transform:uppercase;
}
.book-card-body h3{
  font-family:var(--serif);font-size:19px;font-weight:500;
  line-height:1.4;color:var(--ink);letter-spacing:0;
}
.book-card-lead{
  font-size:13px;line-height:1.9;color:var(--ink-mute);margin:0;
}
.book-card-more{
  font-family:var(--serif);font-style:italic;font-size:12px;
  letter-spacing:.18em;color:var(--accent);margin-top:4px;
}

/* ======================================================
   VIDEO（動画資産4本）
   ====================================================== */
.video-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:32px;
}
@media(max-width:720px){.video-grid{grid-template-columns:1fr}}
.video-tile{
  position:relative;aspect-ratio:16/9;overflow:hidden;
  background:var(--obsidian);color:var(--paper);
  border:1px solid var(--line-fine);
  display:flex;align-items:center;justify-content:center;
}
.video-tile video,.video-tile iframe{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border:0;
}
.video-tile.is-placeholder{
  background:
    radial-gradient(circle at 30% 30%, rgba(44,95,45,.3), transparent 60%),
    linear-gradient(145deg, var(--obsidian), var(--obsidian-mid));
}
.video-tile.is-placeholder::before{
  content:'';position:absolute;top:20px;left:20px;right:20px;bottom:20px;
  border:1px solid rgba(182,138,53,.25);pointer-events:none;
}
.video-meta{
  position:relative;z-index:2;text-align:center;padding:24px;
}
.video-meta .v-eyebrow{
  font-family:var(--serif);font-style:italic;font-size:11px;
  letter-spacing:.4em;color:var(--accent-soft);
  text-transform:uppercase;display:block;margin-bottom:12px;
}
.video-meta .v-title{
  font-family:var(--serif);font-size:22px;font-weight:500;line-height:1.4;
  color:var(--paper);
}
.video-figure{margin:0;display:flex;flex-direction:column;gap:14px}
.video-caption{
  font-family:var(--mincho);font-weight:500;font-size:16px;
  color:var(--ink);text-align:center;letter-spacing:.05em;line-height:1.5;
}
.video-caption-eyebrow{
  display:block;font-family:var(--serif);font-style:italic;font-size:11px;
  letter-spacing:.4em;color:var(--accent);
  text-transform:uppercase;margin-bottom:6px;
}
.video-meta .v-note{
  font-family:var(--serif);font-style:italic;font-size:12px;
  color:rgba(249,246,241,.55);margin-top:10px;
  letter-spacing:.15em;
}

/* ======================================================
   NETWORK（加須書店ネットワーク）
   ====================================================== */
.network-wrap{
  background:var(--paper-white);
  border:1px solid var(--line);padding:clamp(32px,5vw,64px);
  margin-top:24px;overflow-x:auto;
}
.network-wrap .mermaid{
  font-family:var(--mincho) !important;
}
.network-caption{
  font-family:var(--serif);font-style:italic;font-size:13px;
  color:var(--ink-mute);text-align:center;margin-top:20px;
  letter-spacing:.1em;
}

/* ======================================================
   EDITORIAL SPLIT（著者・哲学 画像×テキスト）
   ====================================================== */
.editorial-split{
  display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,7vw,100px);
  align-items:center;
}
@media(max-width:860px){.editorial-split{grid-template-columns:1fr}}
.editorial-split.reverse{direction:rtl}
.editorial-split.reverse > *{direction:ltr}
.editorial-visual{
  position:relative;aspect-ratio:4/5;
  background:
    linear-gradient(145deg, var(--accent-deep), var(--accent) 60%, #2f4b38);
  display:flex;align-items:flex-end;justify-content:flex-start;
  padding:36px;color:var(--paper);
  border:1px solid var(--line-fine);
}
.editorial-visual::after{
  content:'';position:absolute;inset:0;border:1px solid var(--line);
  transform:translate(18px,18px);z-index:-1;
}
.editorial-visual::before{
  content:'';position:absolute;top:22px;left:22px;right:22px;bottom:22px;
  border:1px solid rgba(249,246,241,.2);pointer-events:none;
}
.editorial-visual .v-mark{
  font-family:var(--mincho);font-weight:700;font-size:110px;
  color:rgba(249,246,241,.9);line-height:1;
}
.editorial-body .eyebrow{margin-bottom:22px}
.editorial-body h2{
  font-family:var(--serif);font-size:clamp(28px,3.6vw,42px);
  font-weight:400;line-height:1.2;color:var(--ink);margin-bottom:24px;
}
.editorial-body h2 .accent{color:var(--accent);font-style:italic}
.editorial-body p{
  font-size:15px;line-height:2.1;color:var(--ink-mute);margin-bottom:16px;
}
.editorial-quote{
  font-family:var(--serif);font-style:italic;
  font-size:clamp(20px,2.4vw,26px);line-height:1.7;
  color:var(--ink);padding:28px 0 28px 32px;
  border-left:2px solid var(--accent);margin:28px 0;
  letter-spacing:.02em;
}

/* ======================================================
   TIMELINE（刊行スケジュール）
   ====================================================== */
.timeline{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  position:relative;margin-top:24px;
}
@media(max-width:860px){.timeline{grid-template-columns:1fr}}
.timeline::before{
  content:'';position:absolute;top:32px;left:0;right:0;height:1px;
  background:var(--line);z-index:0;
}
@media(max-width:860px){.timeline::before{display:none}}
.timeline-item{
  position:relative;padding:0 24px;z-index:1;
  border-left:1px solid var(--line);
}
.timeline-item:first-child{border-left:0}
@media(max-width:860px){
  .timeline-item{border-left:0;border-top:1px solid var(--line);padding:32px 0}
  .timeline-item:first-child{border-top:0}
}
.timeline-dot{
  width:14px;height:14px;border-radius:50%;
  background:var(--paper);border:2px solid var(--accent);
  margin:0 0 24px;position:relative;z-index:2;
}
.timeline-item.is-done .timeline-dot{background:var(--accent);border-color:var(--accent)}
.timeline-quarter{
  font-family:var(--serif);font-style:italic;
  font-size:13px;letter-spacing:.3em;color:var(--accent);
  text-transform:uppercase;margin-bottom:12px;
}
.timeline-title{
  font-family:var(--serif);font-size:20px;font-weight:500;
  color:var(--ink);line-height:1.45;margin-bottom:10px;
}
.timeline-body{
  font-size:13px;line-height:1.9;color:var(--ink-mute);
}
.timeline-label{
  display:inline-block;margin-top:12px;
  font-size:10px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--brand-kusunoki);padding:3px 10px;
  border:1px solid var(--brand-kusunoki);
}
.timeline-label.is-hoshi{color:var(--brand-hoshi);border-color:var(--brand-hoshi)}
.timeline-label.is-tsumugi{color:var(--brand-tsumugi);border-color:var(--brand-tsumugi)}

/* ======================================================
   BREADCRUMBS
   ====================================================== */
.breadcrumbs{
  padding:28px 0 0;font-family:var(--serif);font-style:italic;
  font-size:12px;letter-spacing:.15em;color:var(--ink-mute);
}
.breadcrumbs a{color:var(--accent);transition:color .2s var(--ease)}
.breadcrumbs a:hover{color:var(--accent-deep)}

/* ======================================================
   CONTENT BLOCK（ABOUT, LEGAL 等）
   ====================================================== */
.content-block{max-width:var(--maxw-narrow);margin:0 auto clamp(60px,8vw,96px)}
.content-block p{
  font-size:15px;line-height:2.1;margin-bottom:18px;color:var(--ink);
}
.content-block h3{
  font-family:var(--serif);font-size:22px;font-weight:500;
  margin:32px 0 14px;color:var(--ink);letter-spacing:0;
}
.subtitle{
  font-family:var(--serif);
  font-size:clamp(24px,3vw,34px);font-weight:400;
  margin-bottom:28px;color:var(--ink);letter-spacing:-.005em;
  padding-bottom:16px;border-bottom:1px solid var(--line);
  display:flex;align-items:baseline;gap:16px;
}
.subtitle::before{
  content:'';flex:0 0 28px;height:1px;background:var(--accent);
  position:relative;top:-6px;
}
.quote-lead{
  font-family:var(--serif);font-style:italic;
  font-size:clamp(22px,2.6vw,30px);line-height:1.6;font-weight:400;
  color:var(--ink);padding:32px 36px;margin:0 0 32px;
  background:var(--paper-warm);border-left:2px solid var(--accent);
  letter-spacing:.02em;
}

/* ======================================================
   INFO LIST（書誌情報・会社概要）
   ====================================================== */
.info-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
.info-list li{
  display:grid;grid-template-columns:170px 1fr;gap:20px;
  padding:18px 0;border-bottom:1px solid var(--line);
  font-size:14px;line-height:1.9;
}
.info-list li > span:first-child{
  font-family:var(--serif);font-style:italic;
  color:var(--ink-mute);font-size:12px;letter-spacing:.18em;
  text-transform:uppercase;
}
.info-list a{color:var(--accent);border-bottom:1px solid transparent;transition:border-color .2s var(--ease)}
.info-list a:hover{border-color:var(--accent)}
@media(max-width:600px){
  .info-list li{grid-template-columns:1fr;gap:4px}
}

/* ======================================================
   BOOK DETAIL（作品詳細）
   ====================================================== */
.book-detail{padding-top:clamp(40px,6vw,72px)}
.book-detail-grid{
  display:grid;grid-template-columns:360px 1fr;gap:clamp(40px,7vw,96px);
  align-items:start;
}
@media(max-width:860px){
  .book-detail-grid{grid-template-columns:1fr;gap:48px}
  .book-detail-cover{max-width:300px;margin:0 auto}
}
.book-detail-cover{
  /* Kindle標準カバー比率 1600x2560 = 5:8 に合わせる（book-card-cover と統一）*/
  position:relative;aspect-ratio:5/8;overflow:hidden;
  background:var(--paper-deep);
  box-shadow:
    0 4px 10px rgba(15,26,51,.12),
    0 30px 70px rgba(15,26,51,.22);
}
.book-detail-cover img{
  width:100%;height:100%;
  /* 実カバー画像そのまま表示（切り抜き禁止） */
  object-fit:contain;
  display:block;
  background:var(--paper-deep);
}
.book-detail-cover::after{
  content:'';position:absolute;inset:0;border:1px solid rgba(182,138,53,.3);
  pointer-events:none;
}
.book-detail-body .book-tag{
  display:inline-block;font-family:var(--serif);font-style:italic;
  font-size:12px;letter-spacing:.25em;color:var(--accent);
  text-transform:uppercase;padding:0 0 12px;
  border-bottom:1px solid var(--accent);margin-bottom:20px;
}
.book-detail-body .book-title{
  font-family:var(--serif);font-size:clamp(28px,3.6vw,42px);
  font-weight:400;line-height:1.25;color:var(--ink);
  margin:0 0 28px;letter-spacing:-.005em;
}
.book-detail-body .book-subtitle{
  display:block;font-family:var(--mincho);font-size:.6em;
  color:var(--accent);font-weight:500;margin-top:10px;
  letter-spacing:.04em;
}
.book-detail-body .book-lead{
  font-family:var(--mincho);font-size:17px;line-height:2.2;
  margin:0 0 40px;color:var(--ink);
}
.book-detail-body p{font-size:15px;line-height:2.1;margin-bottom:18px;color:var(--ink-mute)}
.book-detail-body .book-meta{
  list-style:none;padding:0;margin:0 0 40px;border-top:1px solid var(--line);
}
.book-detail-body .book-meta li{
  display:grid;grid-template-columns:140px 1fr;gap:16px;
  padding:14px 0;border-bottom:1px solid var(--line);
  font-size:14px;line-height:1.9;
}
.book-detail-body .book-meta li > span:first-child{
  font-family:var(--serif);font-style:italic;
  font-size:12px;letter-spacing:.18em;color:var(--ink-mute);
  text-transform:uppercase;
}
.book-cta{display:flex;gap:20px;align-items:center;flex-wrap:wrap;margin-top:12px}

/* ======================================================
   BOOK ILLUST（巻別ページ 挿絵）
   ====================================================== */
.book-illust{
  margin:0 0 44px;position:relative;
}
.book-illust img{
  display:block;width:100%;height:auto;
  border:1px solid var(--line);
  box-shadow:0 18px 40px rgba(15,26,51,.08);
}
.book-illust figcaption{
  font-family:var(--serif);font-style:italic;font-size:12px;
  letter-spacing:.15em;color:var(--ink-mute);
  margin-top:12px;text-align:center;
}
.book-illust-wide{
  margin:56px 0;
}
.book-illust-wide img{width:100%;height:auto}

/* 世界観セクション 横長バンド */
.world-band{
  margin:56px 0 0;position:relative;
  overflow:hidden;
}
.world-band img{
  display:block;width:100%;height:auto;
}
.world-band figcaption{
  font-family:var(--serif);font-style:italic;font-size:12px;
  letter-spacing:.2em;color:var(--ink-mute);
  margin-top:14px;text-align:center;
}

/* ======================================================
   STORES（取扱店）
   ====================================================== */
.stores-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
@media(max-width:860px){.stores-grid{grid-template-columns:1fr}}
.store-card{
  display:block;padding:36px 30px;background:var(--paper-white);
  border:1px solid var(--line);transition:all .35s var(--ease);
}
.store-card:hover{
  border-color:var(--accent);transform:translateY(-4px);
  box-shadow:0 18px 40px rgba(15,26,51,.08);
}
.store-tag{
  font-family:var(--serif);font-style:italic;font-size:11px;
  letter-spacing:.25em;color:var(--accent);text-transform:uppercase;
  margin-bottom:14px;
}
.store-name{
  font-family:var(--serif);font-size:20px;font-weight:500;
  margin-bottom:14px;color:var(--ink);letter-spacing:0;
}
.store-desc{font-size:13px;line-height:1.95;color:var(--ink-mute);margin:0}
.stores-note{
  text-align:center;font-family:var(--serif);font-style:italic;
  font-size:13px;color:var(--ink-mute);margin-top:36px;letter-spacing:.1em;
}

/* ======================================================
   CONTACT FORM
   ====================================================== */
.contact-form{
  max-width:660px;margin:0 auto;display:grid;gap:28px;
}
.field{display:flex;flex-direction:column;gap:10px}
.field label{
  font-family:var(--serif);font-style:italic;font-size:12px;
  letter-spacing:.2em;color:var(--ink);text-transform:uppercase;
}
.req{
  display:inline-block;margin-left:8px;padding:2px 8px;
  background:var(--accent);color:var(--paper);
  font-family:var(--sans);font-style:normal;
  font-size:10px;letter-spacing:.12em;
}
.field input,.field select,.field textarea{
  padding:16px 18px;font-family:var(--sans);font-size:15px;font-weight:400;
  background:var(--paper-white);border:1px solid var(--line);
  border-radius:0;color:var(--ink);
  transition:border-color .25s var(--ease);
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);
}
.field textarea{resize:vertical;font-family:var(--sans);line-height:1.8}
.form-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:12px}
.form-note{
  font-family:var(--serif);font-style:italic;font-size:13px;
  color:var(--accent);margin:0;letter-spacing:.08em;
}

/* Formspree 公式SDK用の成功・エラーメッセージボックス */
.form-success-box, .form-error-box{
  padding:18px 22px;border-radius:4px;margin-bottom:28px;
  font-family:var(--sans);font-size:14px;line-height:1.8;letter-spacing:.05em;
}
.form-success-box{
  background:rgba(184,134,11,.08);border-left:3px solid var(--accent);color:var(--ink);
}
.form-error-box{
  background:rgba(178,36,36,.06);border-left:3px solid #b24;color:#b24;
}
.form-success-box[hidden], .form-error-box[hidden]{display:none}
.field-error{
  display:block;font-family:var(--sans);font-size:12px;color:#b24;
  margin-top:6px;letter-spacing:.05em;min-height:1em;
}
.field-error:empty{display:none}

/* ======================================================
   LEGAL
   ====================================================== */
.legal-container{max-width:var(--maxw-narrow);margin:0 auto}
.legal-footer{
  margin-top:48px;font-family:var(--serif);font-style:italic;
  font-size:13px;color:var(--ink-mute);text-align:right;letter-spacing:.1em;
}

/* ======================================================
   SECTION FOOTNOTE
   ====================================================== */
.section-footnote{
  text-align:center;margin:clamp(48px,6vw,72px) 0 0;
  font-family:var(--serif);font-style:italic;font-size:14px;
  letter-spacing:.12em;
}
.section-footnote a{
  color:var(--accent);padding-bottom:4px;
  border-bottom:1px solid var(--accent);
}
.section-footnote a:hover{color:var(--accent-deep);border-color:var(--accent-deep)}

/* ======================================================
   FOOTER
   ====================================================== */
.site-footer{
  background:var(--obsidian);color:var(--paper);
  padding:clamp(60px,8vw,100px) 0 0;margin-top:0;
  position:relative;overflow:hidden;
}
.site-footer::before{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(circle at 85% 15%, rgba(44,95,45,.15) 0%, transparent 45%);
  pointer-events:none;
}
.footer-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.4fr 1.6fr 1fr;gap:56px;
  padding-bottom:56px;
}
@media(max-width:860px){.footer-grid{grid-template-columns:1fr;gap:40px}}
.footer-tagline{
  font-family:var(--serif);font-style:italic;font-size:15px;
  color:var(--accent-soft);margin-top:20px;letter-spacing:.06em;
}
.footer-info h4,.footer-links h4{
  font-family:var(--serif);font-style:italic;font-size:12px;
  letter-spacing:.3em;color:var(--accent-soft);
  margin-bottom:20px;padding-bottom:12px;text-transform:uppercase;
  border-bottom:1px solid rgba(122,154,123,.25);
}
.footer-info p{
  font-size:13px;line-height:2;color:rgba(249,246,241,.75);margin:0;
}
.footer-links ul{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.footer-links a{
  font-size:13px;color:rgba(249,246,241,.75);
  transition:color .25s var(--ease);letter-spacing:.05em;
}
.footer-links a:hover{color:var(--accent-soft)}
.footer-bottom{
  position:relative;z-index:1;
  border-top:1px solid rgba(122,154,123,.2);padding:24px 0;
}
.footer-bottom small{
  font-family:var(--serif);font-style:italic;font-size:11px;
  color:rgba(249,246,241,.45);letter-spacing:.15em;
}
.site-footer .brand-mark{background:var(--accent);color:var(--paper)}
.site-footer .brand-name{color:var(--paper)}
.site-footer .brand-sub{color:var(--accent-soft)}

/* ======================================================
   REVEAL ANIMATION
   ====================================================== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease), transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ======================================================
   UTIL
   ====================================================== */
.text-center{text-align:center}
.mt-lg{margin-top:clamp(56px,7vw,88px) !important}

/* ======================================================
   2026-04-23 ADDITIONS — ロゴ画像・新セクション
   ====================================================== */

/* Brand Logo Image */
.brand-logo{
  width:44px;height:44px;object-fit:contain;
  border-radius:50%;background:var(--paper-white);
  padding:4px;border:1.5px solid var(--accent);
  transition:transform .3s var(--ease);
}
.brand:hover .brand-logo{transform:rotate(-4deg) scale(1.06)}
.site-footer .brand-logo{background:rgba(249,246,241,.08);border-color:var(--accent-soft)}

/* HERO — 全幅背景画像 Kinfolk風 */
.hero-kv{position:relative;min-height:min(92vh,860px);display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.55) saturate(1.1);z-index:0;transform:scale(1.06);transition:transform 1.2s var(--ease)}
.hero-kv:hover .hero-bg{transform:scale(1.01)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,26,51,.15) 0%,rgba(15,26,51,.55) 45%,rgba(10,17,40,.85) 100%);z-index:1}
.hero-kv .hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.3fr .85fr;gap:clamp(40px,6vw,88px);align-items:center;width:100%;padding:clamp(60px,10vh,120px) var(--gutter)}
.hero-kv .hero-eyebrow{color:var(--accent-soft);letter-spacing:.4em;font-size:12px;text-transform:uppercase;margin-bottom:24px;font-family:var(--serif);font-style:italic}
.hero-kv .hero-title{font-family:var(--mincho);font-weight:800;font-size:clamp(38px,4.8vw,72px);line-height:1.2;color:var(--paper);letter-spacing:.02em;word-break:keep-all;overflow-wrap:normal}
.hero-kv .hero-title .line{display:block}
.hero-kv .hero-title .accent{color:var(--accent-gold);font-style:italic;font-family:var(--serif);font-weight:500}
.hero-kv .hero-lead{color:rgba(249,246,241,.85);font-size:clamp(14px,1.1vw,16px);line-height:2.1;margin:32px 0 40px;max-width:520px;font-weight:300}
.hero-kv .hero-ctas{display:flex;gap:16px;flex-wrap:wrap}
.hero-kv .hero-visual{position:relative}
.hero-kv .hero-visual img{box-shadow:0 30px 80px rgba(0,0,0,.5),0 8px 28px rgba(0,0,0,.3);border-radius:4px;transform:rotate(2deg);transition:transform .6s var(--ease)}
.hero-kv .hero-visual img:hover{transform:rotate(0deg) scale(1.02)}
.hero-kv .hero-scroll-hint{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);color:var(--accent-soft);font-family:var(--serif);font-style:italic;font-size:12px;letter-spacing:.4em;z-index:3}
.hero-kv .hero-scroll-hint::after{content:"";display:block;width:1px;height:40px;background:var(--accent-soft);margin:12px auto 0;animation:scroll-pulse 2s infinite var(--ease)}
@keyframes scroll-pulse{0%,100%{opacity:.3;transform:scaleY(.4)}50%{opacity:1;transform:scaleY(1)}}
@media(max-width:900px){.hero-kv .hero-inner{grid-template-columns:1fr;gap:48px}.hero-kv .hero-visual img{transform:none;max-width:280px;margin:0 auto}}

/* スマホでのHERO見やすさ調整（2026-04-23）
   16:9イラスト（鯉のぼり＋悠人＋穂乃香）を縦画面で主役化
   3冊カバーは下の「Available Now」と重複するのでスマホ非表示 */
@media(max-width:720px){
  .hero-kv{min-height:min(78vh,640px)}
  .hero-kv .hero-bg{
    background-position:58% 30%;   /* キャラ（やや右寄り・やや上）を中心に */
    filter:brightness(.68) saturate(1.08);
    transform:scale(1.02);
  }
  .hero-kv .hero-overlay{
    background:linear-gradient(180deg,rgba(15,26,51,.12) 0%,rgba(15,26,51,.30) 42%,rgba(10,17,40,.78) 100%);
  }
  .hero-kv .hero-inner{
    grid-template-columns:1fr;
    padding:clamp(48px,9vh,90px) var(--gutter);
  }
  /* 3冊カバーは下のAvailable Nowと完全重複するので非表示 */
  .hero-kv .hero-visual{display:none}
  .hero-kv .hero-scroll-hint{display:none}
  /* スマホではCTAを縦積み・フル幅に */
  .hero-kv .hero-ctas{flex-direction:column;align-items:stretch;width:100%;gap:12px}
  .hero-kv .hero-ctas .btn{width:100%;text-align:center;justify-content:center}
}

/* ヘッダーのナビがviewport超えないよう微調整（スマホ縦向け） */
@media(max-width:420px){
  .header-inner{gap:8px;padding:0 16px}
  .brand{gap:8px}
  .brand-mark,.brand .brand-logo{width:32px!important;height:32px!important}
  .brand-name{font-size:14px}
  .nav{gap:9px}
  .nav a{font-size:9.5px;letter-spacing:.05em}
}

/* Book Grid 3列 */
.book-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,3vw,40px)}
@media(max-width:900px){.book-grid-3{grid-template-columns:1fr}}
.book-card-meta{font-family:var(--serif);font-style:italic;color:var(--accent);font-size:13px;letter-spacing:.05em;margin-top:8px}

/* Series Section */
.series-section{background:linear-gradient(180deg,var(--paper-warm) 0%,var(--paper-deep) 100%)}
.series-hero{margin:48px auto;max-width:1120px;border-radius:4px;overflow:hidden;box-shadow:0 30px 60px rgba(15,26,51,.18)}
.series-hero img{width:100%;display:block}
.concept-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:56px}
@media(max-width:900px){.concept-grid{grid-template-columns:1fr}}
.concept-card{background:var(--paper-white);padding:40px 32px;border-top:3px solid var(--accent);position:relative;transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.concept-card:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(15,26,51,.1)}
.concept-num{font-family:var(--serif);font-style:italic;font-weight:500;color:var(--accent);font-size:56px;line-height:1;letter-spacing:-.02em;margin-bottom:20px;opacity:.4}
.concept-card h3{font-family:var(--mincho);font-size:22px;font-weight:700;color:var(--ink);margin-bottom:16px;letter-spacing:.03em}
.concept-card p{font-size:14.5px;line-height:2;color:var(--ink-mute)}

/* Character Grid */
.character-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:clamp(18px,2vw,28px)}
@media(max-width:1100px){.character-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:700px){.character-grid{grid-template-columns:repeat(2,1fr)}}
.character-card{text-align:center;transition:transform .4s var(--ease)}
.character-card:hover{transform:translateY(-6px)}
.character-img{aspect-ratio:1/1;border-radius:50%;overflow:hidden;border:2px solid var(--accent-soft);background:var(--paper-warm);margin-bottom:20px;box-shadow:0 16px 32px rgba(15,26,51,.12);position:relative}
.character-img img{width:100%;height:100%;object-fit:cover}
.character-card h3{font-family:var(--mincho);font-size:18px;font-weight:700;color:var(--ink);margin-bottom:4px;letter-spacing:.08em}
.character-role{font-family:var(--serif);font-style:italic;color:var(--accent);font-size:12px;letter-spacing:.15em;text-transform:uppercase;margin-bottom:12px}
.character-card p{font-size:13px;line-height:1.9;color:var(--ink-mute);text-align:left;padding:0 4px}

/* Author Portrait */
.author-portrait{width:100%;max-width:420px;aspect-ratio:4/5;object-fit:cover;border-radius:4px;box-shadow:0 24px 60px rgba(15,26,51,.18);filter:grayscale(.08) contrast(1.04);display:block;margin:0 auto}

/* editorial-visualに画像を入れる場合は、緑グラデ枠・飾り罫を相殺 */
.editorial-visual:has(img){
  background:transparent;
  border:none;
  padding:0;
  aspect-ratio:auto;
  display:block;
}
.editorial-visual:has(img)::before,
.editorial-visual:has(img)::after{display:none}
.editorial-visual img{border-radius:4px;box-shadow:0 24px 60px rgba(15,26,51,.18)}

/* 楠柾 家紋SVG（予備）：内側余白が必要なシンボル向け */
.author-mon{
  width:100%;max-width:360px;aspect-ratio:1/1;
  display:block;margin:0 auto;
  background:radial-gradient(circle at 35% 30%, #fdfbf7 0%, #f3eee4 75%, #ebe4d5 100%);
  border:1px solid var(--line);
  box-shadow:0 24px 60px rgba(15,26,51,.12),
             inset 0 0 40px rgba(15,26,51,.03);
  border-radius:50%;
  padding:clamp(20px,3vw,36px);
  transition:transform .6s var(--ease);
}
.author-mon:hover{transform:rotate(-2deg) scale(1.02)}

/* 楠柾 シルエット写真：画像側が完成されたアイコンなので装飾一切なし */
.author-photo,
.editorial-visual img.author-photo,
.author-message-card img.author-photo{
  width:100%;max-width:420px;aspect-ratio:1/1;
  display:block;margin:0 auto;
  background:transparent;
  border-radius:50%;
  padding:0;
  /* 落款メダリオン風 ── 本のページ質感を額縁で包む */
  border:1px solid rgba(201,162,74,.55);
  box-shadow:
    0 0 0 6px var(--paper),
    0 0 0 7px rgba(201,162,74,.22),
    0 18px 42px rgba(15,26,51,.10);
  transition:transform .6s var(--ease);
}
.author-photo:hover{transform:scale(1.02)}

/* editorial-visual コンテナの装飾を無効化 */
.editorial-visual:has(.author-mon),
.editorial-visual:has(.author-photo){
  background:transparent;border:none;padding:0;
  aspect-ratio:auto;display:flex;align-items:center;justify-content:center;
}
.editorial-visual:has(.author-mon)::before,
.editorial-visual:has(.author-mon)::after,
.editorial-visual:has(.author-photo)::before,
.editorial-visual:has(.author-photo)::after{display:none}

/* 代表メッセージ：テキスト構造＋シルエットの2カラム */
.author-message-card{
  margin:48px auto 0;
  max-width:1060px;
  background:linear-gradient(180deg,#fbf6ea 0%,#f5ecd8 100%);
  border:1px solid rgba(170,135,80,.35);
  box-shadow:0 30px 80px rgba(15,26,51,.12),inset 0 0 0 6px #fbf6ea,inset 0 0 0 7px rgba(170,135,80,.3);
  border-radius:4px;
  padding:clamp(36px,5vw,64px) clamp(28px,4vw,56px);
  position:relative;
  display:grid;
  grid-template-columns:minmax(240px,340px) 1fr;
  gap:clamp(32px,4vw,56px);
  align-items:center;
}
/* 角の飾り（4隅） */
.author-message-card::before,
.author-message-card::after{
  content:"";
  position:absolute;
  width:42px;height:42px;
  background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 42'><g fill='none' stroke='%23aa8750' stroke-width='1.1'><path d='M4 14 Q4 4 14 4'/><path d='M8 14 Q8 8 14 8'/><circle cx='18' cy='18' r='1.2' fill='%23aa8750'/></g></svg>") no-repeat center/contain;
  opacity:.9;
  pointer-events:none;
}
.author-message-card::before{top:10px;left:10px}
.author-message-card::after{top:10px;right:10px;transform:scaleX(-1)}
.author-message-body{position:static}
.author-message-body::before,
.author-message-body::after{
  content:"";
  position:absolute;
  width:42px;height:42px;
  background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 42'><g fill='none' stroke='%23aa8750' stroke-width='1.1'><path d='M4 14 Q4 4 14 4'/><path d='M8 14 Q8 8 14 8'/><circle cx='18' cy='18' r='1.2' fill='%23aa8750'/></g></svg>") no-repeat center/contain;
  opacity:.9;
  pointer-events:none;
}
.author-message-body::before{bottom:10px;left:10px;transform:scaleY(-1)}
.author-message-body::after{bottom:10px;right:10px;transform:scale(-1,-1)}
.author-message-card .author-message-visual{
  display:flex;align-items:center;justify-content:center;
}
.author-message-card .author-photo{
  max-width:300px;
}
.author-message-tagline{
  font-family:'Shippori Mincho', serif;
  font-size:clamp(22px,2.4vw,30px);
  font-weight:700;
  color:var(--ink);
  margin:0 0 28px;
  padding:12px 0;
  border-top:1px solid rgba(170,135,80,.55);
  border-bottom:1px solid rgba(170,135,80,.55);
  letter-spacing:.05em;
  line-height:1.6;
}
.author-message-body p{
  font-family:'Shippori Mincho', serif;
  font-size:clamp(14px,1.15vw,16px);
  line-height:2.05;
  color:var(--ink);
  margin:0 0 .25em;
  letter-spacing:.04em;
}
.author-message-sign{
  margin-top:28px;
  text-align:right;
  font-family:'Shippori Mincho', serif;
  font-size:14px;
  color:var(--ink-soft);
  letter-spacing:.12em;
}
.author-message-sign strong{font-weight:700;color:var(--ink);font-size:16px;margin-right:6px}
@media(max-width:820px){
  .author-message-card{grid-template-columns:1fr;padding:36px 24px}
  .author-message-card .author-photo{max-width:220px}
  .author-message-tagline{font-size:20px;text-align:center}
}

/* Connect Section — SNS導線 */
.connect-section{background:linear-gradient(180deg,var(--obsidian) 0%,var(--obsidian-mid) 100%);color:var(--paper);padding:clamp(80px,10vh,140px) 0}
.connect-section .section-title{color:var(--paper)}
.connect-section .eyebrow{color:var(--accent-soft)}
.connect-section .section-kicker{color:rgba(249,246,241,.75)}
.connect-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:48px}
@media(max-width:900px){.connect-grid{grid-template-columns:1fr}}
.connect-card{
  background:rgba(249,246,241,.04);
  border:1px solid rgba(249,246,241,.12);
  padding:40px 32px;
  display:grid;grid-template-columns:auto 1fr auto;grid-template-rows:auto auto;gap:6px 20px;
  align-items:center;
  transition:all .4s var(--ease);
  color:var(--paper);
  position:relative;
}
.connect-card:hover{background:rgba(122,154,123,.12);border-color:var(--accent-soft);transform:translateY(-4px)}
.connect-icon{grid-row:1/3;color:var(--accent-soft);transition:color .4s var(--ease)}
.connect-card:hover .connect-icon{color:var(--accent-gold)}
.connect-title{font-family:var(--serif);font-style:italic;font-size:28px;font-weight:500;letter-spacing:.03em;grid-column:2}
.connect-desc{font-size:13px;color:rgba(249,246,241,.7);grid-column:2}
.connect-arrow{grid-column:3;grid-row:1/3;font-size:24px;color:var(--accent-soft);transition:transform .3s var(--ease)}
.connect-card:hover .connect-arrow{transform:translateX(4px);color:var(--accent-gold)}
.connect-note{text-align:center;margin-top:32px;font-size:12px;color:rgba(249,246,241,.5);font-family:var(--serif);font-style:italic;letter-spacing:.1em}

/* Footer Social */
.footer-social h4{
  font-family:var(--serif);font-style:italic;font-size:14px;letter-spacing:.25em;
  color:var(--accent-soft);margin-bottom:16px;text-transform:uppercase;
}
.social-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.social-list a{
  display:flex;align-items:center;gap:10px;font-size:13px;
  color:rgba(249,246,241,.75);letter-spacing:.05em;
  transition:color .25s var(--ease);
}
.social-list a:hover{color:var(--accent-soft)}
.social-list svg{opacity:.75}
.social-list a:hover svg{opacity:1;color:var(--accent-soft)}
.social-note{margin-top:14px;font-size:11px;color:rgba(249,246,241,.4);font-family:var(--serif);font-style:italic}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;gap:40px}}
@media(max-width:640px){.footer-grid{grid-template-columns:1fr}}

/* Section Footnote center */
.section-footnote{margin-top:40px;text-align:left}
.section-footnote.center{text-align:center}

/* Books Detail — Amazon CTA強化 */
.book-cta .btn-primary[href*="amazon"],.book-cta .btn-primary.btn-amazon{background:#ff9900;color:#0f1a33;border-color:#ff9900}
.book-cta .btn-primary.btn-amazon:hover{background:#fb8c00;color:#fff}

/* 個別書籍ページ：AmazonボタンLargeサイズ（2026-04-23） */
.book-cta .btn-amazon-lg{padding:22px 44px;font-size:15px;letter-spacing:.18em;min-width:280px}
.book-cta .btn-amazon-lg span{font-weight:700}
@media(max-width:640px){
  .book-cta .btn-amazon-lg{padding:18px 28px;min-width:0;width:100%;text-align:center;display:flex;justify-content:center;align-items:center}
}

/* Page Hero (サブページ用) — ロゴ背景 */
.page-hero{
  background:linear-gradient(135deg,var(--paper-warm) 0%,var(--paper-deep) 100%);
  color:var(--ink);
  padding:clamp(80px,12vh,140px) 0 clamp(60px,8vh,100px);
  position:relative;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;right:-80px;top:-60px;width:380px;height:380px;
  background:url('./assets/logo-green.png') no-repeat center/contain;
  opacity:.05;transform:rotate(8deg);pointer-events:none;
}
.page-hero .page-title{color:var(--ink);font-weight:500}
.page-hero .page-lead{color:var(--ink-mute)}
.page-hero .eyebrow{color:var(--accent)}
.page-hero .eyebrow::before{background:var(--accent)}