:root{--navy:#1e3a5f;--navy-deep:#14283f;--ink:#1f2937;--muted:#64748b;--border:#dbe3ec;--bg:#f1f5f9;--white:#fff;--purple:#7c3aed;--purple-soft:#ede4ff;--blue:#2563eb;--blue-soft:#dbeafe;--green:#16a34a;--green-soft:#dcfce7;--orange:#f59e0b;--orange-soft:#fef3c7;--red:#e11d48;--red-soft:#ffe1e6;--teal:#0ea5a3;--shadow:0 12px 32px rgba(15,23,42,.12);font-family:"Noto Sans JP",system-ui,sans-serif;color:#1f2937}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}body{margin:0;background:var(--bg);font-size:16px;line-height:1.8}.skip-link{position:fixed;left:16px;top:-80px;z-index:200;padding:10px 16px;background:#fff;color:var(--navy);font-weight:900}.skip-link:focus{top:8px}.manual-header{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;min-height:66px;padding:9px max(18px,calc((100vw - 1280px)/2));border-bottom:1px solid rgba(255,255,255,.15);background:var(--navy);color:#fff;box-shadow:0 4px 14px rgba(15,23,42,.2)}.manual-brand{display:flex;align-items:center;gap:11px;color:#fff;text-decoration:none}.manual-brand small,.manual-brand strong{display:block;line-height:1.25}.manual-brand small{font-size:9px;letter-spacing:.12em;opacity:.7}.manual-brand strong{font-size:18px}.brand-shield{display:grid;place-items:center;width:39px;height:43px;border:2px solid #86efac;border-radius:16px 16px 20px 20px;background:linear-gradient(#14b8a6,#087a79);font-size:20px;font-weight:900}.header-actions{display:flex;gap:9px}.header-btn{display:inline-flex;align-items:center;justify-content:center;min-height:39px;padding:0 15px;border:1px solid rgba(255,255,255,.35);border-radius:7px;background:#fff;color:var(--navy);font-weight:900;text-decoration:none;cursor:pointer}.header-btn--primary{background:linear-gradient(#6be6d8,#0ea5a3 55%,#075f5c);color:#fff}.manual-hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);gap:48px;align-items:center;max-width:1280px;margin:0 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