:root{color-scheme:dark;--bg: #0d1117;--surface: #161b22;--border: #30363d;--border-soft: #21262d;--fg: #e6edf3;--fg-dim: #9aa4af;--accent: #58a6ff;--on-accent: #0d1117;--limited: #d29922;--navaid: #3fb950}@media(prefers-color-scheme:light){:root{color-scheme:light;--bg: #ffffff;--surface: #f6f8fa;--border: #d0d7de;--border-soft: #e4e8ed;--fg: #1f2328;--fg-dim: #5c636b;--accent: #0969da;--on-accent: #ffffff;--limited: #9a6700;--navaid: #1a7f37}}*{box-sizing:border-box}body.lp{margin:0;background:var(--bg);color:var(--fg);font:15px/1.8 -apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,sans-serif;-webkit-font-smoothing:antialiased}main{max-width:940px;margin:0 auto;padding:0 24px}.lp-bar{display:flex;align-items:center;gap:16px;max-width:940px;margin:0 auto;padding:18px 24px}.lp-logo{display:flex;align-items:center;gap:9px;margin-right:auto;color:var(--fg);text-decoration:none;font-weight:700;font-size:17px;letter-spacing:.02em}.lp-auth{display:flex;align-items:center;gap:8px}.lp-auth button{height:34px;padding:0 14px;background:transparent;border:1px solid var(--border);border-radius:7px;color:var(--fg);font:inherit;font-size:13px;cursor:not-allowed;opacity:.5}.lp-auth button.primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}.lp-wip{padding:2px 7px;border:1px dashed var(--border);border-radius:5px;color:var(--fg-dim);font-size:11px;letter-spacing:.04em;white-space:nowrap}.lp-hero{padding:72px 0 64px}.lp-eyebrow{margin:0 0 14px;color:var(--accent);font-size:12px;font-weight:600;letter-spacing:.14em}.lp-hero h1{margin:0 0 20px;font-size:clamp(28px,5vw,42px);line-height:1.35;letter-spacing:.01em}.lp-lead{margin:0 0 32px;max-width:40em;color:var(--fg-dim)}.lp-cta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:0}.btn{display:inline-flex;align-items:center;height:46px;padding:0 26px;border:1px solid var(--border);border-radius:9px;color:var(--fg);text-decoration:none;font-size:15px;font-weight:600}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}.btn.primary:hover{filter:brightness(1.1)}.lp-note{color:var(--fg-dim);font-size:12px}.lp-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;padding-bottom:88px}.lp-grid article{padding:22px;background:var(--surface);border:1px solid var(--border-soft);border-radius:11px}.lp-grid h2{margin:0 0 8px;font-size:15px}.lp-grid p{margin:0;color:var(--fg-dim);font-size:13px;line-height:1.75}.lp-foot{border-top:1px solid var(--border-soft);padding:24px}.lp-foot ul{display:flex;flex-wrap:wrap;gap:22px;max-width:940px;margin:0 auto;padding:0;list-style:none}.lp-foot li{display:flex;align-items:center;gap:7px}.lp-foot span{color:var(--fg-dim);font-size:12px}.lp-foot i{padding:1px 6px;border:1px dashed var(--border);border-radius:5px;color:var(--fg-dim);font-size:10px;font-style:normal;letter-spacing:.04em}@media(max-width:560px){.lp-hero{padding:48px 0 44px}.lp-wip{display:none}}