/* docs/BRAND-COLORS.md に準拠：主役はコンパス・ティール、生成りの余白、少量のローズと真鍮。
   本文・補助文字は濃いインク。ローズ／装飾用の真鍮は小さな文字に使わない（小さな金系文字は --gold-text）。 */
:root{color-scheme:light;--bg:#f6f1e7;--card:#fcf9f2;--text:#23211e;--muted:#5e5951;--accent:#1e7a7a;--accent-soft:#dcedeb;--on-accent:#fcf9f2;--rose:#c99393;--rose-soft:#f3e5e2;--gold:#a8823a;--gold-text:#80612e;--gold-soft:#fff8e8;--line:#d9d1c2;--radius:24px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;color:var(--text);background:radial-gradient(ellipse at 85% 6%,#f3e5e2aa,transparent 32%),radial-gradient(ellipse at 0% 40%,#dcedeb80,transparent 34%),var(--bg);font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;line-height:1.85;-webkit-font-smoothing:antialiased}
a{color:inherit;text-underline-offset:5px}
a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:6px}
.wrap{max-width:1120px;margin:auto;padding:0 32px}
.site-nav{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px 0;border-bottom:1px solid var(--line)}
.logo{display:flex;align-items:center;gap:12px;font-size:1rem;font-weight:600;letter-spacing:.08em;text-decoration:none}
.logo img{width:34px;height:34px;border-radius:9px}
.nav-links{display:flex;align-items:center;gap:28px;font-size:.875rem;color:var(--muted)}
.nav-links a{text-decoration:none;padding:8px 0}
.nav-links a:hover{color:var(--accent)}
.eyebrow{display:block;color:var(--accent);font-size:.75rem;letter-spacing:.2em;font-weight:600;margin:0 0 20px}
h1,h2,.reading-quote{font-weight:500}
h1,h2{word-break:keep-all;overflow-wrap:anywhere}
h1{font-size:clamp(2rem,3.5vw,2.85rem);line-height:1.55;letter-spacing:.02em;margin:0 0 24px}
h1 em{font-style:normal;color:var(--accent)}
h2{font-size:clamp(1.65rem,3vw,2.25rem);line-height:1.6;margin:0 0 16px;letter-spacing:.04em}
h3{font-weight:600}
p{margin:0 0 20px}
.hero{display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:56px;padding:72px 0 64px}
.hero-copy .lead{max-width:490px;color:var(--muted);font-size:1rem;line-height:2.1;margin-bottom:28px}
/* 主ボタンは濃い同系グラデーション（最明色 #1E7A7A＝文字 #FCF9F2 と 4.85:1）。hover は明るくせず、影と移動だけ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:16px;border:1px solid transparent;border-radius:16px;padding:16px 24px;min-height:56px;font-size:1rem;font-weight:600;color:var(--on-accent);background:linear-gradient(115deg,#1e7a7a,#1a6d6d);box-shadow:inset 0 1px 0 #ffffff26,0 8px 24px #1e7a7a33;text-decoration:none;transition:box-shadow .2s,transform .2s;text-align:center}
.btn:hover{transform:translateY(-2px);box-shadow:inset 0 1px 0 #ffffff26,0 12px 28px #1e7a7a40}
.text-link{display:inline-flex;align-items:center;gap:14px;color:var(--accent);font-size:.875rem;padding:14px 0}
.hero-actions{display:flex;align-items:flex-start;flex-direction:column;gap:4px}
.note{color:var(--muted);font-size:.75rem;line-height:1.7}
/* hero 右：透過イラストを生成りの上にそのまま置く（枠なし）。淡いローズの光だけ添える */
.hero-art{position:relative;isolation:isolate;margin:0;padding:8px 0;display:flex;justify-content:center}
.hero-art::before{content:'';position:absolute;z-index:0;inset:10% 4%;background:radial-gradient(ellipse at 50% 55%,#f3e5e2cc,#dcedeb66 55%,transparent 72%);border-radius:50%;pointer-events:none}
.hero-illust{position:relative;z-index:1;width:100%;max-width:480px;height:auto;display:block}
/* 文例：イラストとは別の節で、アイボリーの一枚として見せる */
#sample{border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.sample-figure{margin:0}
.reading-preview{position:relative;max-width:350px;margin:auto;padding:28px;background:radial-gradient(ellipse at 100% 0,#f3e5e2aa,transparent 60%),linear-gradient(150deg,#fffdf8,#fcf9f2);border:1px solid #d9d1c2;border-radius:32px;box-shadow:inset 0 1px 0 #ffffff,0 24px 60px #23211e14,0 0 40px #c9939314}
.reading-preview::before{content:'';position:absolute;inset:8px;border:1px solid #a8823a2e;border-radius:25px;pointer-events:none}
.preview-heading{display:flex;justify-content:space-between;align-items:center;padding-bottom:22px;color:var(--muted);font-size:.75rem;letter-spacing:.08em}
.preview-heading img{width:28px;height:28px;border-radius:8px}
.reading-quote{font-size:1.45rem;line-height:1.8;text-align:center;padding:26px 0 30px;margin:0;color:var(--text)}
.preview-label{font-size:.75rem;letter-spacing:.12em;color:var(--gold-text);margin:0 0 10px}
.preview-body{font-size:.875rem;line-height:1.95;color:var(--muted);margin:0 0 24px}
.preview-step{background:var(--gold-soft);border-left:2px solid var(--gold);padding:16px;border-radius:0 12px 12px 0}
.preview-step p:last-child{font-size:.875rem;margin:0;line-height:1.9}
.preview-footer{margin:22px 0 0;text-align:center;font-size:.75rem;color:var(--muted)}
figcaption{font-size:.75rem;color:var(--muted);text-align:center;margin-top:18px}
.trust-strip{display:flex;justify-content:center;gap:40px;padding:23px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--muted);font-size:.875rem}
.trust-strip span::before{content:'✓';color:var(--accent);margin-right:10px}
section{padding:84px 0}
.section-heading{margin-bottom:36px;max-width:650px}
.sub{color:var(--muted);margin:0;line-height:1.95}
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
.card{position:relative;padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:radial-gradient(ellipse at 0 0,#dcedeb99,transparent 70%),linear-gradient(145deg,#fffdf8,#fcf9f2);box-shadow:inset 0 1px 0 #ffffff,0 12px 28px #23211e0f}
#why .card:nth-child(even){background:radial-gradient(ellipse at 100% 0,#f3e5e2aa,transparent 70%),linear-gradient(145deg,#fffdf8,#fcf9f2)}
.card-number{display:block;color:var(--gold-text);font-weight:400;font-variant-numeric:tabular-nums;font-size:1.5rem;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:20px}
.card h3{font-size:1.0625rem;line-height:1.7;margin:0 0 12px}
.card p{color:var(--muted);font-size:1rem;line-height:1.9;margin:0}
#features{border-top:1px solid var(--line)}
#features .grid{grid-template-columns:repeat(3,minmax(0,1fr))}
#features .card{background:radial-gradient(ellipse at 100% 0,#dcedeb99,transparent 65%),linear-gradient(145deg,#fffdf8,#fcf9f2);padding:28px}
#features .card-number{border:0;padding:0;margin-bottom:24px;font-size:.875rem;letter-spacing:.12em;color:var(--accent)}
#promise{display:grid;grid-template-columns:1fr 1.2fr;gap:80px;border-top:1px solid var(--line);align-items:start}
.promise{padding:28px;background:linear-gradient(135deg,#fffdf8,#fcf9f2);border:1px solid var(--line);border-radius:24px;box-shadow:inset 0 1px 0 #ffffff,0 20px 40px #23211e0d}
.promise ul{list-style:none;padding:0;margin:0}
.promise li{position:relative;padding:18px 0 18px 32px;border-bottom:1px solid var(--line)}
.promise li:first-child{padding-top:0}
.promise li::before{content:'✓';position:absolute;left:0;color:var(--accent)}
.promise small{display:block;color:var(--muted);font-size:.875rem;margin-top:5px}
.faq{border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1.6fr;gap:64px}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{cursor:pointer;padding:22px 30px 22px 0;font-size:1rem;font-weight:500;position:relative;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:'+';position:absolute;right:0;color:var(--accent);font-size:1.3rem;top:16px}
.faq-list details[open] summary::after{content:'−'}
.faq-list details p{color:var(--muted);font-size:1rem;padding-right:20px;margin-bottom:24px}
#quiz-cta{text-align:center;padding:64px 32px;position:relative;isolation:isolate;overflow:hidden;background:radial-gradient(ellipse at 50% 0,#dcedeb,#fcf9f2 75%);box-shadow:inset 0 1px 0 #ffffff,0 24px 64px #23211e14;border:1px solid var(--line);border-radius:32px}
#quiz-cta .sub{margin-bottom:28px}
#quiz-cta::before,#quiz-cta::after{content:'';position:absolute;width:280px;height:280px;border:1px solid #a8823a33;border-radius:50%;z-index:-1;pointer-events:none}
#quiz-cta::before{top:-110px;left:-110px;box-shadow:0 0 0 24px #a8823a0a,0 0 0 48px #a8823a06}
#quiz-cta::after{bottom:-160px;right:-80px;box-shadow:0 0 0 24px #c993930f,0 0 0 48px #c9939308}
#download{text-align:center;padding:72px 0 60px}
.store-status{display:inline-block;padding:12px 20px;border:1px solid var(--line);border-radius:12px;margin:20px 4px 0;color:var(--muted);font-size:.875rem;background:var(--card)}
footer{border-top:1px solid var(--line);padding:28px 0 40px;font-size:.75rem;color:var(--muted);line-height:1.9}
.footer-bottom{display:flex;justify-content:space-between;gap:24px;margin-top:24px;flex-wrap:wrap}
.footer-bottom a{margin-left:16px}
.skip-link{position:absolute;top:-100px;left:16px;z-index:2;padding:12px;background:var(--accent);color:var(--on-accent)}
.skip-link:focus{top:8px}
@media(max-width:850px){.hero{gap:24px}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}#features .grid{grid-template-columns:1fr}#features .card{padding:28px}#promise,.faq,#sample{gap:36px}.nav-links{gap:20px}}
@media(max-width:620px){.wrap{padding:0 22px}.site-nav{padding:20px 0}.logo{font-size:.875rem;gap:8px}.logo img{width:28px;height:28px;border-radius:7px}.nav-links a:not(:last-child){display:none}.nav-links{font-size:.75rem}.hero{grid-template-columns:1fr;padding:40px 0 32px;gap:12px}.hero-art{order:-1;padding:0 0 8px}.hero-illust{max-width:360px}.hero-copy .lead{font-size:1rem}.hero-copy .lead br{display:none}.hero-actions .btn{width:100%}.hero-actions{align-items:center}h1{font-size:clamp(1.6rem,7vw,2.3rem)}h2{font-size:clamp(1.4rem,6.8vw,2.25rem)}.trust-strip{gap:12px;flex-wrap:wrap;font-size:.75rem}.trust-strip span::before{margin-right:5px}section{padding:56px 0}.grid{grid-template-columns:1fr;gap:16px}.card{padding:24px}.card h3{font-size:1rem}.card p{font-size:.875rem}#promise,.faq,#sample{grid-template-columns:1fr;gap:12px}.reading-preview{max-width:340px;padding:24px}.section-heading{margin-bottom:28px}#quiz-cta{padding:44px 22px;border-radius:24px}#quiz-cta .btn{width:100%}.footer-bottom{gap:12px}.footer-bottom a{margin:0 16px 0 0}.promise{padding:24px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}.btn:hover{transform:none}}
/* 公開時に有効化する既存の料金セクション。 */
.price-table{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}
.price-card{padding:24px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);text-align:center}
.price-card.free{border-color:var(--accent)}
.price-card .amt{font-size:1.75rem;font-weight:600;margin:8px 0}
.vs{font-size:.875rem;color:var(--muted)}