:root{color-scheme:light dark;--bg:#f4f8f5;--card:#fff;--ink:#18392f;--muted:#5f7269;--accent:#137458;--line:#dce8e0;--hero:#104c40}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.9 -apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif}a{color:var(--accent);text-underline-offset:4px}header,main,footer{max-width:960px;margin:auto;padding:28px}header{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:750}.brand img{border-radius:10px}nav{display:flex;gap:18px;flex-wrap:wrap;font-size:13px}h1{font-size:clamp(26px,5vw,42px);letter-spacing:-.04em;margin:28px 0}h2{font-size:20px;line-height:1.6;margin:0 0 12px}p{margin:0 0 16px}section{background:var(--card);padding:30px;border-radius:20px;margin:18px 0}footer{border-top:1px solid var(--line);margin-top:45px;color:var(--muted)}footer nav{margin-bottom:18px}.muted,.small{color:var(--muted)}.small{font-size:13px}.lead{font-size:18px}.hero{text-align:center;padding:28px 8px 60px}.hero img{border-radius:34px;margin-bottom:26px;box-shadow:0 20px 40px #124d4320}.headline{font-size:clamp(42px,8vw,70px);font-weight:800;line-height:1.35;letter-spacing:-.055em;margin:20px 0}.eyebrow{font-size:13px;letter-spacing:.13em;font-weight:700}.button{display:inline-block;background:var(--accent);color:white;padding:12px 30px;text-decoration:none;border-radius:30px;font-weight:700}.tag{display:inline-block;border:1px solid var(--line);border-radius:24px;padding:8px 18px}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.features section{margin:0;padding:26px}.pro{margin-top:40px;background:var(--hero);color:#eefff6}.pro .small{color:#c0ddcf}.pro h2{font-size:28px}@media(max-width:700px){header,main,footer{padding:22px}.features{grid-template-columns:1fr}header{align-items:flex-start}header nav{max-width:155px;gap:8px}section{padding:24px}.lead{font-size:16px}}@media(prefers-color-scheme:dark){:root{--bg:#101815;--card:#1b2822;--ink:#e5f3eb;--muted:#adbcB3;--accent:#7ce4be;--line:#2b4035}.button{color:#102b20;background:#7ce4be}}