:root{--bg: #0f1115;--bg-soft: #171a21;--card: #1c2029;--border: #2a2f3a;--text: #e6e8ec;--muted: #a2a8b4;--accent: #5b9dff;--accent-soft: #1f2b40;--max: 900px;--radius: 12px;font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,Yu Gothic,Meiryo,system-ui,sans-serif;line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}section{padding:56px 0;border-top:1px solid var(--border)}section:first-of-type{border-top:none}h1,h2,h3{line-height:1.4;letter-spacing:.01em}h1{font-size:2rem;margin:0 0 12px}h2{font-size:1.4rem;margin:0 0 24px}h3{font-size:1.1rem;margin:0 0 8px}p{color:var(--text)}.muted{color:var(--muted)}.small{font-size:.9rem}.hero{padding:72px 0 56px}.hero h1{font-size:2.4rem;max-width:18em}.hero .sub{font-size:1.15rem;color:var(--muted);max-width:34em}.grid{display:grid;gap:16px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px}.card h3{margin-top:0}.badge{display:inline-block;background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:3px 12px;font-size:.8rem;margin-bottom:12px}.btn{display:inline-block;background:var(--accent);color:#08111f;font-weight:600;padding:12px 22px;border-radius:8px;border:none;cursor:pointer}.btn:hover{text-decoration:none;opacity:.92}.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--border)}.price{font-size:1.6rem;font-weight:700}.price small{font-size:.85rem;font-weight:400;color:var(--muted)}.steps{list-style:none;padding:0;margin:0;display:grid;gap:12px}.steps li{display:flex;gap:14px;align-items:baseline;background:var(--bg-soft);border:1px solid var(--border);border-radius:8px;padding:14px 16px}.steps .n{flex:0 0 auto;width:26px;height:26px;border-radius:999px;background:var(--accent-soft);color:var(--accent);display:inline-flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:700}.flow{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.flow .node{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:10px 16px;font-weight:600}.flow .arrow{color:var(--muted)}.flow .gate{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.faq{display:grid;gap:14px}.faq .q{font-weight:600;margin-bottom:4px}.compare{width:100%;border-collapse:collapse}.compare th,.compare td{border:1px solid var(--border);padding:12px 14px;text-align:left;vertical-align:top}.compare th{background:var(--bg-soft)}.note{background:var(--accent-soft);border:1px solid var(--accent);border-radius:8px;padding:14px 16px;color:var(--text);font-size:.92rem}header.site{position:sticky;top:0;z-index:10;background:#0f1115d9;backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}header.site .wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;gap:16px}.logo{font-weight:700;letter-spacing:.02em;color:var(--text)}.logo .mono{display:inline-flex;width:30px;height:30px;margin-right:8px;align-items:center;justify-content:center;border-radius:7px;background:var(--accent-soft);color:var(--accent);font-weight:800}nav.site a{color:var(--muted);margin-left:18px;font-size:.92rem}nav.site a:hover{color:var(--text);text-decoration:none}footer.site{border-top:1px solid var(--border);padding:32px 0;color:var(--muted);font-size:.88rem}footer.site .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}.prose h2{margin-top:36px}.prose h3{margin-top:24px}.prose ul,.prose ol{padding-left:1.3em}.prose li{margin:6px 0}.warnbar{background:#3a2a10;border:1px solid #6b4e1e;color:#f0d9a8;border-radius:8px;padding:10px 14px;font-size:.88rem;margin-bottom:24px}form.contact{display:grid;gap:14px;max-width:520px}form.contact label{font-size:.9rem;color:var(--muted);display:grid;gap:6px}form.contact input,form.contact textarea,form.contact select{background:var(--bg-soft);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:11px 12px;font:inherit;width:100%}form.contact textarea{min-height:120px;resize:vertical}@media (max-width: 720px){.grid-3,.grid-2{grid-template-columns:1fr}.hero h1{font-size:1.9rem}header.site .wrap{flex-direction:column;align-items:flex-start;gap:8px}nav.site a{margin-left:0;margin-right:16px}.flow{flex-direction:column;align-items:stretch}.flow .arrow{text-align:center}}