:root {
  --ink: #40363b;
  --muted: #71666b;
  --pink: #e9607b;
  --pink-dark: #d94f6c;
  --pink-soft: #fff3f6;
  --line: rgba(111, 84, 96, .14);
  --cream: #fffdfb;
  --white: #ffffff;
  --max: 1180px;
  --serif: "Yu Mincho", "Hiragino Mincho ProN", "Hiragino Mincho Pro", "Noto Serif JP", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }

.site-shell { overflow: clip; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 82px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 34px;
  padding: 0 clamp(24px, 5vw, 72px);
  background: rgba(255, 253, 251, .88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,.7);
}
.brand { display: inline-flex; flex-direction: column; line-height: 1.05; min-width: 132px; }
.brand-name { font-family: Georgia, var(--serif); font-size: 25px; letter-spacing: .12em; }
.brand-tagline { margin-top: 6px; font-family: Georgia, serif; font-size: 9px; letter-spacing: .04em; color: var(--muted); }
.global-nav { justify-self: center; display: flex; gap: clamp(18px, 2.4vw, 38px); font-family: var(--serif); font-size: 13px; }
.global-nav a { position: relative; padding: 9px 0; }
.global-nav a::after { content:""; position:absolute; left:0; right:100%; bottom:3px; height:1px; background:var(--pink); transition:.25s ease; }
.global-nav a:hover::after { right:0; }
.header-actions { justify-self:end; display:flex; align-items:center; gap:30px; }
.instagram-link { display:inline-grid; place-items:center; width:34px; height:34px; flex:0 0 auto; border-radius:50%; transition:transform .2s ease, background-color .2s ease; }
.instagram-link img { width:24px; height:24px; display:block; }
.instagram-link:hover { transform:translateY(-1px); background:rgba(233,96,123,.08); }
.instagram-link:focus-visible { outline:2px solid var(--pink); outline-offset:4px; }
.header-buy { display:inline-flex; align-items:center; gap:12px; padding:13px 22px; border-radius:999px; background:var(--pink); color:white; font-size:13px; box-shadow:0 10px 28px rgba(226,96,124,.24); }
.nav-toggle { display:none; background:none; border:0; padding:8px; }
.nav-toggle span { display:block; width:24px; height:1px; background:var(--ink); margin:5px 0; }

.section-watercolor {
  position: relative;
  background:
    radial-gradient(circle at 8% 10%, rgba(255, 174, 193, .34), transparent 26%),
    radial-gradient(circle at 92% 5%, rgba(116, 200, 255, .35), transparent 28%),
    radial-gradient(circle at 62% 70%, rgba(255, 216, 118, .28), transparent 26%),
    radial-gradient(circle at 88% 78%, rgba(163, 139, 255, .20), transparent 24%),
    linear-gradient(135deg, #fffaf8 0%, #fffefd 45%, #fff7fb 100%);
}
.section-watercolor::before,
.section-watercolor::after {
  content:"";
  position:absolute;
  border-radius:50%;
  filter: blur(3px);
  opacity:.58;
  pointer-events:none;
}
.section-watercolor::before { width:170px; height:170px; left:-50px; bottom:8%; background:radial-gradient(circle, rgba(255,198,181,.5), transparent 68%); }
.section-watercolor::after { width:230px; height:230px; right:-70px; top:18%; background:radial-gradient(circle, rgba(144,199,255,.4), transparent 67%); }

.hero {
  min-height: 850px;
  padding: 94px max(6vw, 28px) 100px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(430px, .9fr);
  align-items: center;
  gap: clamp(50px, 7vw, 110px);
}
.hero-copy { max-width: 650px; justify-self: end; }
.eyebrow, .section-kicker { margin:0 0 22px; font-family:Georgia, serif; font-size:12px; letter-spacing:.17em; text-transform:uppercase; color:#886f7a; }
.hero h1 { margin:0; font-family:var(--serif); font-size:clamp(43px, 5vw, 72px); font-weight:500; line-height:1.42; letter-spacing:.035em; }
.hero h1 > span { display:block; }
.accent { color:var(--pink); }
.hero-title-book { margin-top:28px; font-family:var(--serif); font-size:clamp(34px, 4vw, 55px); letter-spacing:.04em; }
.hero-credit { margin:14px 0 0; font-family:Georgia, var(--serif); font-size:18px; letter-spacing:.12em; color:#65565d; }
.hero-lead { margin:47px 0 0; padding-top:27px; border-top:1px solid rgba(81,65,72,.28); font-family:var(--serif); font-size:19px; line-height:2.05; }
.hero-actions { display:flex; flex-wrap:wrap; gap:14px; margin-top:38px; }
.btn { min-height:54px; display:inline-flex; align-items:center; justify-content:center; gap:10px; padding:0 29px; border-radius:999px; font-family:var(--serif); font-size:14px; letter-spacing:.06em; transition:transform .25s ease, box-shadow .25s ease, background .25s ease; }
.btn:hover { transform:translateY(-2px); }
.btn-primary { color:white; background:linear-gradient(135deg, #ed6b84, #dc5571); box-shadow:0 14px 30px rgba(218,82,111,.22); }
.btn-primary:hover { box-shadow:0 18px 36px rgba(218,82,111,.29); }
.btn-secondary { color:#755665; background:rgba(255,255,255,.62); border:1px solid rgba(220,92,120,.55); }
.btn-wide { width:100%; justify-content:space-between; padding-inline:26px; }
.hero-visual { min-height:620px; position:relative; display:grid; place-items:center; }
.book-wrap { position:relative; z-index:2; width:min(480px, 70%); margin:0; filter:drop-shadow(23px 31px 30px rgba(120, 74, 88, .22)); transform:rotate(1.5deg); margin-right: 15%; }
.book-wrap::after { content:""; position:absolute; inset:5px -12px 4px auto; width:14px; background:linear-gradient(90deg, rgba(164,114,117,.18), rgba(255,255,255,.9)); border-radius:0 3px 3px 0; transform:skewY(-2deg); }
.book-glow { position:absolute; width:450px; height:450px; border-radius:50%; background:radial-gradient(circle, rgba(255,255,255,.9) 0%, rgba(255,201,213,.28) 43%, transparent 72%); }
.vertical-message { position:absolute; right:5%; top:8%; z-index: 10; margin:0; writing-mode:vertical-rl; font-family:var(--serif); font-size:25px; line-height:1.9; letter-spacing:.15em; color:#4d4247; }
.script-mark { position:absolute; right:6%; bottom:13%; z-index:3; padding:34px 28px; border:1px solid rgba(195,109,132,.45); border-radius:50%; font-family:"Snell Roundhand", "Brush Script MT", cursive; font-size:28px; line-height:1.15; color:#8f6d79; transform:rotate(-7deg); background:rgba(255,255,255,.28); }
.hero-flower { position:absolute; inset:auto 0 0; height:145px; opacity:.6; background:
  radial-gradient(circle at 8% 100%, #ffd9d8 0 2px, transparent 3px),
  radial-gradient(circle at 13% 80%, #ffe98d 0 3px, transparent 4px),
  radial-gradient(circle at 80% 90%, #f7a7c1 0 3px, transparent 4px),
  radial-gradient(circle at 86% 70%, #b8d7ff 0 4px, transparent 5px),
  linear-gradient(to top, rgba(192,224,209,.5), transparent 62%);
  mask-image:linear-gradient(to top, #000, transparent);
}

.section-pad { padding: clamp(110px, 12vw, 170px) max(6vw, 28px); }
.section-soft { background:linear-gradient(180deg, rgba(255,248,250,.76), rgba(255,255,255,.86)); }
.section-heading { max-width:720px; margin:0 auto 70px; }
.section-heading.centered { text-align:center; }
.section-heading h2, .author-copy h2, .contents-intro h2, .purchase-copy h2 { margin:0 0 24px; font-family:var(--serif); font-size:clamp(34px, 4vw, 52px); font-weight:500; letter-spacing:.06em; white-space: nowrap; }
.section-heading p, .contents-intro p { margin:0; color:var(--muted); line-height:2; }

#message {
  background:linear-gradient(90deg, #fff 0%, #fffdfd 68%, #fff7fa 100%);
}
.author-section { display:grid; grid-template-columns:minmax(260px, .8fr) minmax(360px, 1.25fr) minmax(230px, .65fr); align-items:center; gap:clamp(45px, 6vw, 88px); max-width:1500px; margin:auto; }
.author-photo { position:relative; align-self:end; min-height:520px; display:flex; justify-content:center; align-items:flex-end; }
.author-photo img { position:relative; z-index:2; max-height:540px; object-fit:contain; }
.photo-halo { position:absolute; width:410px; height:410px; bottom:20px; border-radius:50%; background:radial-gradient(circle, rgba(255,229,235,.86), transparent 67%); }
.author-copy { max-width:650px; }
.author-copy p { font-family:var(--serif); font-size:16px; line-height:2.15; margin:0 0 20px; }
.signature { margin-top:30px !important; letter-spacing:.07em; color:#6c5962; }
.author-quote { margin:0; padding:40px 0px; font-family:var(--serif); font-size:clamp(25px, 2.6vw, 38px); line-height:1.75; color:var(--pink-dark); border:0; white-space: nowrap; }

.feature-grid { max-width:var(--max); margin:auto; display:grid; grid-template-columns:repeat(4, 1fr); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.feature-card { padding:52px 34px 56px; text-align:center; border-right:1px solid var(--line); }
.feature-card:last-child { border-right:0; }
.line-icon { color:var(--pink); font-family:var(--serif); font-size:43px; line-height:1; margin-bottom:24px; }
.feature-card h3 { margin:0 0 17px; font-family:var(--serif); font-size:20px; font-weight:500; }
.feature-card p { margin:0; color:var(--muted); font-size:14px; line-height:1.9; }

.preview-section { max-width:1500px; margin:auto; }
.preview-section .section-heading { margin-left:0; }
.preview-grid { display:grid; grid-template-columns:.7fr 1.15fr 1.35fr 1.15fr; gap:28px; align-items:end; }
.preview-card { margin:0; }
.preview-card img { width:100%; aspect-ratio:1.42/1; object-fit:cover; object-position:center; border-radius:4px; box-shadow:0 16px 30px rgba(68,49,57,.11); background:#fff; }
.preview-card.portrait img { aspect-ratio:.72/1; object-fit:contain; background:#fff8f5; }
.preview-card figcaption { padding-top:18px; font-family:var(--serif); text-align:center; letter-spacing:.1em; font-size:14px; }
.preview-note { width:max-content; max-width:100%; margin:55px 0 0 auto; padding:16px 27px; border-radius:999px; background:var(--pink); color:#fff; font-family:var(--serif); letter-spacing:.08em; }

.question-grid { max-width:var(--max); margin:0 auto; display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.question-card { position:relative; min-height:180px; padding:42px; border-radius:18px; background:rgba(255,255,255,.84); border:1px solid rgba(223,124,146,.16); box-shadow:0 16px 40px rgba(112,79,90,.06); display:flex; flex-direction:column; justify-content:center; }
.question-card span { position:absolute; right:28px; top:22px; font-family:Georgia, serif; font-size:12px; letter-spacing:.15em; color:#e69aab; }
.question-card p { margin:0; font-family:var(--serif); font-size:clamp(20px,2.2vw,29px); line-height:1.7; }
.questions-closing { max-width:800px; margin:50px auto 0; text-align:center; color:var(--muted); line-height:2; }

.contents-section { max-width:var(--max); margin:auto; display:grid; grid-template-columns:.7fr 1.3fr; gap:80px; align-items:start; }
.contents-intro { position:relative; }
.chapter-badge { margin-top:48px; width:150px; height:150px; border-radius:50%; display:grid; place-content:center; text-align:center; background:#f78ba0; color:white; font-family:var(--serif); font-size:24px; line-height:1.35; box-shadow:0 15px 30px rgba(234,111,136,.2); }
.chapter-badge small { font-size:14px; }
.chapter-list { display:grid; grid-template-columns:1fr 1fr; gap:0 54px; border-top:1px solid var(--line); }
.chapter-list div { display:grid; grid-template-columns:76px 1fr; gap:12px; align-items:center; min-height:66px; border-bottom:1px solid var(--line); font-family:var(--serif); }
.chapter-list span { color:#8a7a80; font-size:13px; }
.chapter-list strong { font-weight:500; }

.visual-break { position:relative; min-height:620px; overflow:hidden; background:#eaf4ff; }
.visual-break img { width:100%; height:100%; min-height:620px; object-fit:cover; filter:saturate(.98) brightness(1.05); }
.visual-break::after { content:""; position:absolute; inset:0; background:linear-gradient(90deg, rgba(255,255,255,.1), rgba(255,255,255,.5) 70%, rgba(255,255,255,.86)); }
.visual-break-copy { position:absolute; z-index:2; right:8%; top:50%; transform:translateY(-50%); }
.visual-break-copy p { margin:0; font-family:var(--serif); font-size:clamp(32px,4vw,54px); line-height:1.75; letter-spacing:.06em; }

.purchase-section { max-width:var(--max); margin:auto; display:grid; grid-template-columns:.8fr 1.2fr .7fr; gap:70px; align-items:center; padding-left: 0; padding-right: 0; }
.purchase-book img { width:min(280px, 100%); margin:auto; box-shadow:24px 28px 40px rgba(91,63,74,.16); transform:rotate(-1.5deg); }
.purchase-copy h3 { margin:15px 0 8px; font-family:var(--serif); font-size:clamp(29px,3vw,42px); font-weight:500; }
.purchase-credit { margin:0 0 28px; font-family:Georgia, serif; letter-spacing:.1em; }
.purchase-en { font-family:Georgia, serif; line-height:1.7; color:#706169; }
.book-meta { margin:34px 0 0; border-top:1px solid var(--line); }
.book-meta div { display:grid; grid-template-columns:80px 1fr; padding:13px 0; border-bottom:1px solid var(--line); font-size:14px; }
.book-meta dt { color:#8b7f84; }
.book-meta dd { margin:0; }
.purchase-actions { display:flex; flex-direction:column; gap:12px; }
.store-note { margin:10px 0 0; text-align:center; font-size:12px; color:#9a858d; }
.store-link[aria-disabled="true"] { opacity:.48; cursor:not-allowed; }

.closing-section { min-height:570px; display:grid; place-items:center; text-align:center; padding:120px 24px; }
.closing-copy { max-width:800px; }
.closing-copy h2 { margin:0; font-family:var(--serif); font-size:clamp(35px,5vw,62px); font-weight:500; line-height:1.65; letter-spacing:.07em; }
.closing-copy p:not(.eyebrow) { margin:30px 0 38px; font-family:var(--serif); font-size:19px; color:#695c62; }

.site-footer { min-height:140px; padding:40px max(6vw,28px); display:flex; justify-content:space-between; align-items:center; border-top:1px solid var(--line); background:#fff; }
.site-footer > div { display:flex; flex-direction:column; }
.site-footer p { margin:0; font-size:12px; color:#8d7d84; }
.back-to-top { position:fixed; right:24px; bottom:24px; z-index:30; width:46px; height:46px; border:1px solid rgba(225,96,126,.35); border-radius:50%; background:rgba(255,255,255,.88); backdrop-filter:blur(10px); color:var(--pink); font-size:18px; opacity:0; transform:translateY(15px); pointer-events:none; transition:.25s ease; }
.back-to-top.is-visible { opacity:1; transform:none; pointer-events:auto; }

.reveal { opacity:0; transform:translateY(26px); transition:opacity .75s ease, transform .75s ease; }
.reveal.is-visible { opacity:1; transform:none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  .reveal { opacity:1; transform:none; transition:none; }
  .btn, .global-nav a::after { transition:none; }
}

@media (max-width: 1080px) {
  .site-header { grid-template-columns:auto 1fr auto; }
  .global-nav { display:none; position:absolute; left:20px; right:20px; top:72px; padding:25px; border-radius:18px; background:rgba(255,255,255,.97); box-shadow:0 18px 45px rgba(82,58,67,.12); flex-direction:column; gap:4px; }
  .global-nav.is-open { display:flex; }
  .global-nav a { padding:12px 6px; }
  .nav-toggle { display:block; }
  .header-actions { grid-column:3; grid-row:1; }
  .hero { grid-template-columns:1fr 1fr; }
  .author-section { grid-template-columns:.8fr 1.2fr; }
  .author-quote { grid-column:1 / -1; text-align:center; }
  .feature-grid { grid-template-columns:1fr 1fr; }
  .feature-card:nth-child(2) { border-right:0; }
  .feature-card:nth-child(-n+2) { border-bottom:1px solid var(--line); }
  .preview-grid { grid-template-columns:1fr 1fr; }
  .preview-card.portrait img { aspect-ratio:1.42/1; object-fit:contain; }
  .purchase-section { grid-template-columns:.75fr 1.25fr; }
  .purchase-actions { grid-column:1 / -1; display:grid; grid-template-columns:repeat(3,1fr); }
}

@media (max-width: 760px) {
  .site-header { height:70px; padding-inline:20px; gap:12px; grid-template-columns:auto 1fr auto; }
  .brand-name { font-size:20px; }
  .brand-tagline { font-size:7px; }
  .header-actions { grid-column:3; grid-row:1; gap:10px; }
  .instagram-link { width:34px; height:34px; }
  .instagram-link img { width:23px; height:23px; }
  .header-buy { display:none; }
  .nav-toggle { display:block; }
  .hero { min-height:auto; padding:72px 22px 90px; grid-template-columns:1fr; gap:40px; }
  .hero-copy { justify-self:start; }
  .hero h1 { font-size:clamp(38px,12vw,56px); }
  .hero-title-book { font-size:clamp(30px,9vw,43px); }
  .hero-credit { font-size:15px; }
  .hero-lead { font-size:16px; }
  .hero-actions { display:grid; grid-template-columns:1fr; }
  .btn { width:100%; }
  .hero-visual { min-height:470px; }
  .book-wrap { width:min(260px, 72%); }
  .vertical-message { right:0; font-size:18px; }
  .script-mark { display:none; }
  .section-pad { padding:95px 22px; }
  .author-section { grid-template-columns:1fr; gap:40px; }
  .author-photo { min-height:390px; order:2; }
  .author-photo img { max-height:420px; }
  .author-copy { order:1; }
  .author-quote { order:3; padding:10px 0; text-align:left; }
  .feature-grid { grid-template-columns:1fr; }
  .feature-card { border-right:0; border-bottom:1px solid var(--line); }
  .feature-card:last-child { border-bottom:0; }
  .preview-grid { grid-template-columns:1fr; gap:34px; }
  .preview-card img, .preview-card.portrait img { aspect-ratio:auto; max-height:none; object-fit:contain; }
  .preview-note { margin-left:0; width:100%; text-align:center; }
  .question-grid { grid-template-columns:1fr; }
  .contents-section { grid-template-columns:1fr; gap:48px; }
  .chapter-badge { width:120px; height:120px; font-size:20px; }
  .chapter-list { grid-template-columns:1fr; }
  .visual-break { min-height:560px; }
  .visual-break img { min-height:560px; object-position:28% center; }
  .visual-break::after { background:linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.86)); }
  .visual-break-copy { left:24px; right:24px; top:auto; bottom:50px; transform:none; }
  .visual-break-copy p { font-size:34px; }
  .purchase-section { grid-template-columns:1fr; gap:42px; }
  .purchase-book img { width:min(240px, 70vw); }
  .purchase-actions { grid-column:auto; display:flex; }
  .closing-section { min-height:510px; padding:100px 22px; }
  .site-footer { min-height:160px; gap:30px; flex-direction:column; align-items:flex-start; }
}

/* Responsive finishing adjustments: keep all copy unchanged while preventing overflow. */
html, body { max-width: 100%; overflow-x: hidden; }
main, section, header, footer, nav, div, article, figure, blockquote { min-width: 0; }
p, h1, h2, h3, strong, dd, a, blockquote { overflow-wrap: anywhere; }

@media (max-width: 1180px) {
  .section-heading h2,
  .author-copy h2,
  .contents-intro h2,
  .purchase-copy h2,
  .author-quote { white-space: normal; }

  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(360px, .82fr);
    gap: clamp(34px, 5vw, 64px);
  }

  .vertical-message { right: 0; }
  .purchase-section { padding-left: max(4vw, 28px); padding-right: max(4vw, 28px); }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 72px;
  }
  .hero-copy { justify-self: center; width: min(100%, 680px); }
  .hero-visual { width: min(100%, 620px); justify-self: center; }

  .author-section { grid-template-columns: minmax(220px, .8fr) minmax(0, 1.2fr); gap: 36px; }
  .author-copy p { font-size: 15px; }
  .author-quote { font-size: clamp(24px, 4vw, 32px); }

  .contents-section { gap: 48px; }
  .chapter-list { gap: 0 28px; }
  .purchase-section { gap: 42px; }
}

@media (max-width: 760px) {
  .global-nav { top: 64px; left: 12px; right: 12px; max-height: calc(100vh - 82px); overflow-y: auto; }

  .hero h1,
  .hero-title-book,
  .section-heading h2,
  .author-copy h2,
  .contents-intro h2,
  .purchase-copy h2,
  .purchase-copy h3,
  .closing-copy h2,
  .visual-break-copy p { overflow-wrap: normal; word-break: normal; }

  .hero h1 { font-size: clamp(34px, 10.8vw, 48px); line-height: 1.5; letter-spacing: .02em; }
  .hero-title-book { font-size: clamp(29px, 8.6vw, 39px); }
  .hero-lead br { display: none; }

  .section-heading { margin-bottom: 50px; }
  .section-heading h2,
  .author-copy h2,
  .contents-intro h2,
  .purchase-copy h2 { font-size: clamp(29px, 8.5vw, 39px); line-height: 1.45; letter-spacing: .035em; }

  .author-copy p { font-size: 15px; line-height: 2; }
  .author-quote { white-space: normal; font-size: clamp(23px, 7vw, 30px); line-height: 1.7; }

  .question-card { min-height: 150px; padding: 36px 28px; }
  .question-card p { font-size: clamp(19px, 5.8vw, 25px); }

  .chapter-list div { grid-template-columns: 68px minmax(0, 1fr); }
  .chapter-list strong { line-height: 1.65; }

  .visual-break-copy p { font-size: clamp(28px, 8vw, 36px); line-height: 1.65; }
  .purchase-section { padding-left: 22px; padding-right: 22px; }
  .purchase-en br { display: none; }
  .closing-copy h2 { font-size: clamp(31px, 9vw, 43px); line-height: 1.65; letter-spacing: .035em; }
}

@media (max-width: 430px) {
  .site-header { padding-inline: 16px; }
  .brand { min-width: 0; }
  .brand-name { font-size: 18px; }

  .hero { padding-left: 18px; padding-right: 18px; }
  .hero h1 { font-size: clamp(31px, 10.2vw, 43px); }
  .hero-title-book { font-size: clamp(27px, 8.4vw, 36px); }
  .hero-credit { letter-spacing: .07em; }
  .hero-visual { min-height: 430px; }
  .book-wrap { width: min(235px, 68vw); }
  .book-glow { width: 340px; height: 340px; }
  .vertical-message { font-size: 16px; line-height: 1.7; letter-spacing: .1em; }

  .section-pad { padding-left: 18px; padding-right: 18px; }
  .feature-card { padding-left: 22px; padding-right: 22px; }
  .preview-note { padding-left: 18px; padding-right: 18px; line-height: 1.6; border-radius: 18px; }
  .question-card { padding-left: 24px; padding-right: 24px; }

  .chapter-list div { grid-template-columns: 62px minmax(0, 1fr); gap: 8px; min-height: 70px; }
  .chapter-list span { font-size: 12px; }

  .visual-break-copy { left: 18px; right: 18px; }
  .purchase-section { padding-left: 18px; padding-right: 18px; }
  .book-meta div { grid-template-columns: 68px minmax(0, 1fr); }
  .btn { padding-left: 20px; padding-right: 20px; }
  .btn-wide { gap: 12px; }
  .closing-section { padding-left: 18px; padding-right: 18px; }
}

@media (max-width: 360px) {
  .hero h1 { font-size: 30px; }
  .hero-title-book { font-size: 27px; }
  .vertical-message { display: none; }
  .book-wrap { width: min(230px, 78vw); }
  .section-heading h2,
  .author-copy h2,
  .contents-intro h2,
  .purchase-copy h2 { font-size: 28px; }
  .closing-copy h2 { font-size: 30px; }
}

/* Mobile author message layout: keep copy full width and place portrait beside the signature. */
@media (max-width: 760px) {
  .author-section {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
  }

  .author-copy {
    order: 1;
    width: 100%;
    max-width: none;
  }

  .author-copy p {
    width: 100%;
    max-width: none;
  }

  .author-photo {
    order: 2;
    min-height: 0;
    width: 132px;
    height: auto;
    justify-self: center;
    align-self: auto;
    margin-top: -108px;
    margin-right: 0;
    margin-bottom: 18px;
    display: block;
    pointer-events: none;
  }

  .author-photo img {
    width: 100%;
    height: auto;
    max-height: none;
    object-fit: contain;
    display: block;
  }

  .author-photo .photo-halo {
    width: 150px;
    height: 150px;
    left: 50%;
    bottom: -6px;
    transform: translateX(-50%);
  }

  .author-quote {
    order: 3;
    width: 100%;
    margin-top: 4px;
  }
}

@media (max-width: 430px) {
  .author-photo {
    width: 150px;
    margin-top: -70px;
    margin-bottom: 14px;
  }

  .author-photo .photo-halo {
    width: 132px;
    height: 132px;
  }
  .author-quote {
    text-align: center;
  }
}

@media (max-width: 360px) {
  .author-photo {
    width: 104px;
    margin-top: -84px;
  }
}

/* Mobile headline finishing: avoid orphaned 1-2 characters without changing copy. */
@media (max-width: 760px) {
  .questions-section .section-heading {
    max-width: none;
    width: 100%;
  }
  #questions-title {
    font-size: clamp(27px, 7.7vw, 34px);
    line-height: 1.55;
    letter-spacing: .015em;
    white-space: normal;
    word-break: keep-all;
    overflow-wrap: normal;
  }

  .closing-copy {
    width: 100%;
    max-width: none;
  }
  #closing-title {
    font-size: clamp(29px, 8vw, 38px);
    line-height: 1.65;
    letter-spacing: .015em;
    white-space: normal;
    word-break: keep-all;
    overflow-wrap: normal;
  }
  #closing-title br { display: none; }
}

@media (max-width: 430px) {
  #questions-title { font-size: clamp(26px, 7.4vw, 32px); }
  #closing-title { font-size: clamp(28px, 7.8vw, 34px); }
  .closing-copy .eyebrow { letter-spacing: .12em; }
}

@media (max-width: 360px) {
  #questions-title { font-size: 25px; }
  #closing-title { font-size: 27px; }
}