:root{--bg:#faf7f2;--surface:#ffffff;--ink:#2c2a26;--ink-soft:#6b665d;--line:#e7e0d4;--accent:#1d7a5f;--accent-soft:#e3f1ea;--warn-bg:#fbf3e6;--warn-line:#ecd9b8;--radius:14px;--maxw:880px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}.site-header{background:var(--surface);border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}.brand{font-weight:700;font-size:1.15rem;color:var(--ink)}.nav{display:flex;gap:18px;flex-wrap:wrap}.nav a{color:var(--ink-soft);font-size:.95rem}.main{padding-top:40px;padding-bottom:64px}.site-footer{border-top:1px solid var(--line);background:var(--surface);padding:28px 0;font-size:.9rem;color:var(--ink-soft)}h1{font-size:2.1rem;line-height:1.2;margin:0 0 12px}h2{font-size:1.4rem;margin:32px 0 10px}.lead{font-size:1.2rem;margin:0 0 28px}.lead,.muted{color:var(--ink-soft)}.hero{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:40px 32px;margin-bottom:36px}.btn{display:inline-block;background:var(--accent);color:#fff;padding:12px 22px;border-radius:999px;font-weight:600;border:none;cursor:pointer;font-size:1rem}.btn:hover{text-decoration:none;opacity:.92}.btn.secondary{background:var(--accent-soft);color:var(--accent)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));grid-gap:18px;gap:18px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px}.card h3{margin:0 0 8px;font-size:1.1rem}.tag{display:inline-block;background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:2px 10px;font-size:.78rem;font-weight:600;margin-bottom:10px}.prose{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px 32px}.prose blockquote{margin:0 0 16px;padding:12px 16px;background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:10px;color:var(--ink-soft)}.byline{color:var(--ink-soft);font-size:.9rem;margin-bottom:20px}.chat,.chat-log{display:flex;flex-direction:column;gap:14px}.chat-log{min-height:220px}.bubble{border-radius:14px;padding:12px 16px;max-width:92%}.bubble.user{align-self:flex-end;background:var(--accent-soft)}.bubble.bot{align-self:flex-start;background:var(--surface);border:1px solid var(--line)}.bubble.fallback{background:var(--warn-bg);border:1px solid var(--warn-line)}.sources{margin-top:8px;font-size:.82rem;color:var(--ink-soft)}.chat-form{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap}.chat-form textarea{flex:1 1;min-height:52px;resize:vertical;padding:12px;border:1px solid var(--line);border-radius:12px}.chat-form select,.chat-form textarea{font:inherit;background:var(--surface)}.chat-form select{padding:10px;border:1px solid var(--line);border-radius:10px}.notice{background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:10px;padding:14px 16px;color:var(--ink-soft);font-size:.92rem}.price-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:18px;gap:18px;margin-top:24px}.price-card .price{font-size:1.8rem;font-weight:700;margin:8px 0}:root{--font-display:ui-serif,"Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New 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a:after{content:" →";opacity:0;transition:opacity .14s ease}.card-link:hover h3 a:after{opacity:.6}.card .card-topper{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px}.card .card-topper .tag{margin-bottom:0}.tag.age-1-3{background:#f3d8c3;color:#a85a30}.tag.age-3-6{background:var(--accent-soft);color:var(--accent)}.tag.age-6-9{background:#d5e5ee;color:#35617c}.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:20px;gap:20px;margin-top:20px}.step{display:flex;gap:14px;align-items:flex-start}.step .num{flex:none;width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700;font-family:var(--font-display)}.step h3{margin:2px 0 4px;font-size:1.05rem}.situation-head{display:flex;gap:18px;align-items:center;margin-bottom:6px}.situation-head .illo{flex:none;width:84px;height:84px}.situation-head h1{margin:0;font-size:1.9rem}@media (max-width:520px){.situation-head .illo{width:60px;height:60px}}.trust-chip{display:inline-flex;align-items:center;gap:8px;background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:5px 12px 5px 8px;font-size:.85rem;font-weight:600;margin:4px 0 18px}.trust-chip .dot{width:22px;height:22px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:.8rem;font-family:var(--font-display)}.principle{background:var(--accent-soft);border-radius:12px;padding:14px 18px;margin:4px 0 22px;font-size:.98rem;color:#235c4a}.principle strong{color:var(--accent)}.prose p{margin:0 0 14px}.prose h2,.prose h3{margin-top:22px}.related{margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}.related h2{font-size:1.2rem;margin:0 0 14px}.faq{margin-top:14px;display:flex;flex-direction:column;gap:10px}.faq details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:4px 18px}.faq summary{cursor:pointer;font-weight:600;padding:12px 0;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";float:right;color:var(--accent);font-size:1.3rem;line-height:1}.faq details[open] summary:after{content:"–"}.faq details p{margin:0 0 14px;color:var(--ink-soft)}.quote{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:12px;padding:20px 24px;margin-top:20px;font-size:1.08rem}.quote cite{display:block;margin-top:10px;font-size:.9rem;color:var(--ink-soft);font-style:normal}.band{background:var(--accent-soft);border-radius:var(--radius);padding:32px;margin:40px 0}.band h2{margin-top:0}