:root{--bg:#FFF7FA;--surface:#FFFFFF;--soft:#FFEAF2;--ink:#4A1630;--text:#5C2A3E;--muted:#8A4A62;--assist:#B07A90;--brand:#E85A8B;--bright:#FF7AA8;--deep:#C43B6E;--pale:#FFE1EC;--line:rgba(232,90,139,.16);--shadow:0 14px 34px rgba(196,59,110,.10);--radius:20px;--max:1180px}
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img{width:100%;height:100%;object-fit:contain;object-position:center}.media-placeholder{width:100%;height:100%;min-height:180px;display:flex;align-items:center;justify-content:center;background:linear-gradient(145deg,#fff,#FFEAF2);color:var(--deep);font-weight:800;text-align:center;padding:18px}.note-card h3,.feature-card h3,.status-card h3,.step-card h3,.book-card h3,.index-card h3,.term-card h2,.term-card h3,.faq-item h2,.faq-item h3,.letter-card h3,.story-card h2,.story-card h3,.info-card h2,.info-card h3{color:var(--ink);margin:14px 0 6px;line-height:1.35}.note-card p,.feature-card p,.status-card p,.step-card p,.book-card p,.index-card p,.term-card p,.faq-item p,.letter-card p,.story-card p,.info-card p{margin:0}.number-list{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.number-item{background:var(--soft);border:1px solid var(--line);border-radius:18px;padding:18px}.big-no{display:block;font-size:32px;line-height:1;color:var(--brand);font-weight:900;margin-bottom:10px}.book-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.book-card{padding:14px}.book-cover{aspect-ratio:3/4;border-radius:16px;background:var(--soft);display:flex;align-items:flex-end;padding:16px;color:var(--ink);font-weight:900;border:1px solid var(--line)}.status-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.status-card{padding:18px}.status-pill{display:inline-flex;min-height:32px;padding:4px 11px;align-items:center;border-radius:999px;background:var(--pale);color:var(--deep);font-weight:800;font-size:13px}.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.step-card{padding:16px}.step-card .step-no{color:var(--brand);font-weight:900;font-size:20px}.letter-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.letter-card{padding:22px}.opinion{font-size:13px;color:var(--deep);font-weight:800;margin-bottom:8px}.page-hero{padding:28px;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(240px,.7fr);gap:24px;align-items:center}.page-hero .page-media{height:240px;background:var(--soft);border-radius:18px;overflow:hidden;display:flex;align-items:center;justify-content:center}.page-hero .page-media img{width:100%;height:100%;object-fit:contain;object-position:center}.page-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:24px;align-items:start}.page-content{display:grid;gap:16px}.side-index{position:sticky;top:150px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}.side-index h2{margin:0 0 10px;color:var(--ink);font-size:18px}.side-index a{min-height:44px;display:flex;align-items:center;padding:8px 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@media(max-width:900px){.note-grid{grid-template-columns:repeat(2,1fr)}.book-grid,.status-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}.page-layout{grid-template-columns:1fr}.side-index{position:static;display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.drawer-groups{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.app-showcase{grid-template-columns:1fr}.page-hero{grid-template-columns:1fr}.brand-end{grid-template-columns:1fr}}
@media(max-width:640px){body{font-size:16px}.top-inner,.cover-inner,.sticker-inner,.content-wrap,.footer-inner{width:min(100% - 32px,var(--max))}.sticker-rail{display:none}.site-main{padding-top:108px}.cover-inner{grid-template-columns:minmax(0,1fr) auto auto;gap:8px}.brand-mark{min-width:0;overflow:hidden}.site-logo{height:30px;max-width:120px}.brand-text{font-size:18px;white-space:nowrap}.envelope-button{min-width:78px;padding:0 12px}.app-link{min-width:72px;padding:0 12px}.hero-panel{padding:12px}.hero-media{min-height:180px}.hero-copy{padding:18px 4px 4px}.hero-copy h1,.page-hero h1{font-size:28px}.section-head{align-items:flex-start;flex-direction:column;gap:4px}.section-head h2{font-size:22px}.note-grid,.index-grid,.portrait-grid,.letter-grid,.number-list,.book-grid,.status-grid,.steps{grid-template-columns:1fr}.card-media{height:200px}.page-hero{padding:18px}.page-hero .page-media{height:210px}.side-index{grid-template-columns:repeat(2,1fr)}.timeline-item{grid-template-columns:1fr}.drawer-panel{width:100%;max-height:70vh;border-radius:22px 22px 0 0}.drawer-groups{grid-template-columns:1fr}.search-layer{top:92px;padding:0 10px}.search-card{border-radius:18px}.footer-grid{grid-template-columns:repeat(2,1fr);gap:14px}.site-footer{padding-bottom:92px}.mobile-nav{position:fixed;left:0;right:0;bottom:0;z-index:1200;height:calc(50px + env(safe-area-inset-bottom));padding:0 8px env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(5,1fr);align-items:center;gap:4px}.mobile-nav a{height:44px;display:flex;align-items:center;justify-content:center;border-radius:12px;color:var(--muted);font-size:13px;font-weight:800}.mobile-nav a.is-current{background:var(--brand);color:#fff}.footer-note{font-size:14px}}