:root{--ink:#15221c;--sub:#5a6761;--line:#dae5df;--paper:#fbfdfc;--soft:#eef6f1;--accent:#17633f;--accent2:#103d2b;--warn:#fff7df}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;line-height:1.8}a{color:var(--accent)}.wrap{max-width:1080px;margin:auto;padding:0 22px}header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.header{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:20px}.brand{font-weight:900;text-decoration:none;color:var(--ink);letter-spacing:-.02em}nav{display:flex;gap:15px;font-size:14px;flex-wrap:wrap}nav a{text-decoration:none;color:var(--sub)}.adnote{text-align:center;padding:6px 16px;background:#f4f6f5;color:#6d756f;font-size:11px}.hero{padding:64px 0 34px}.eyebrow{font-size:12px;font-weight:800;letter-spacing:.08em;color:var(--accent);text-transform:uppercase}.hero h1{font-size:clamp(31px,5vw,56px);line-height:1.16;letter-spacing:-.035em;margin:.25em 0}.lead{font-size:18px;color:var(--sub);max-width:790px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;text-decoration:none;color:var(--ink);transition:.15s}.card:hover{transform:translateY(-1px);border-color:#9db5a8}.card small{color:var(--accent);font-weight:800}.card h2,.card h3{margin:.3em 0;line-height:1.45}.section{padding:25px 0}.section h2{font-size:27px;line-height:1.4;margin-bottom:10px}.section ul,.section ol{padding-left:1.25em}.notice{background:var(--soft);border-left:4px solid var(--accent);padding:18px 20px;border-radius:8px}.warning{background:var(--warn);border-left:4px solid #d9a515;padding:18px 20px;border-radius:8px}.cta{margin:30px 0;padding:26px;border-radius:14px;background:var(--accent2);color:#fff}.cta h2{margin:.25em 0}.cta .pr{display:inline-block;font-size:11px;font-weight:900;border:1px solid currentColor;border-radius:99px;padding:2px 7px}.button{display:inline-block;border:0;cursor:pointer;background:var(--accent);color:#fff;padding:13px 20px;border-radius:9px;font-weight:900;text-decoration:none}.button.invert{background:#fff;color:var(--accent2)}.cta small{display:block;margin-top:8px;opacity:.82}.cta.muted{background:#eef2ef;color:var(--ink)}.crumb{font-size:13px;color:var(--sub);padding-top:20px}.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.fact{border:1px solid var(--line);padding:18px;border-radius:12px;background:#fff}.diagnosis{display:grid;gap:16px;max-width:760px}.diagnosis label{font-weight:800}.diagnosis select,.diagnosis input{width:100%;padding:11px;border:1px solid #bac8bf;border-radius:8px;background:#fff}.result{display:none;margin-top:20px;padding:22px;background:#fff;border:2px solid var(--accent);border-radius:12px}.sources{font-size:14px}.sources li{margin-bottom:7px}.footer{display:grid;grid-template-columns:2fr 1fr;gap:20px;padding-top:40px;padding-bottom:40px}footer{margin-top:70px;background:#f0f4f1;border-top:1px solid var(--line);font-size:14px}@media(max-width:760px){.header{align-items:flex-start;padding-top:14px;padding-bottom:14px;flex-direction:column}nav{gap:10px}.grid,.facts,.footer{grid-template-columns:1fr}.hero{padding-top:42px}.hero h1{font-size:35px}.lead{font-size:16px}}