:root{--bg: #fffaf5;--card: #ffffff;--ink: #1f1a17;--muted: #6f655d;--line: #eadfd5;--primary: #e8681a;--primary-soft: #fde9da;color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg: #151210;--card: #1f1a17;--ink: #f6efe9;--muted: #b3a79d;--line: #342c26;--primary: #ff8a3d;--primary-soft: #3a2416;color-scheme:dark}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:Noto Sans,system-ui,-apple-system,sans-serif;line-height:1.6}a{color:var(--primary)}.bar,.foot,.doc,.wrap{max-width:960px;margin:0 auto;padding:0 20px}.bar{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink);text-decoration:none}.brand img{border-radius:7px}.doc{max-width:760px;padding-top:16px;padding-bottom:48px}.doc h1{font-size:clamp(28px,6vw,38px);line-height:1.2;margin:16px 0 8px}.doc h2{font-size:20px;margin:36px 0 8px}.doc p,.doc li{color:var(--ink)}.doc em{color:var(--muted)}.foot{display:flex;flex-wrap:wrap;gap:8px 20px;padding-top:24px;padding-bottom:40px;border-top:1px solid var(--line);font-size:14px}.foot a{color:var(--muted);text-decoration:none}.foot a:hover{color:var(--ink)}.foot small{color:var(--muted);margin-left:auto}.hero{padding:48px 0 32px;text-align:center}.hero h1{font-size:clamp(36px,8vw,60px);line-height:1.08;letter-spacing:-.02em;margin:0 0 16px}.hero h1 span{color:var(--primary)}.hero p{font-size:clamp(17px,2.6vw,20px);color:var(--muted);max-width:560px;margin:0 auto 28px}.store{display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:14px;background:var(--ink);color:var(--bg);font-weight:700;text-decoration:none}.store[aria-disabled=true]{opacity:.85;cursor:default}.store small{display:block;font-weight:400;font-size:12px;opacity:.8}.demo{margin:40px auto 0;max-width:420px;background:var(--card);border:1px solid var(--line);border-radius:22px;padding:22px;text-align:left;box-shadow:0 12px 40px #0000000f}.demo .ko{font-size:24px;font-weight:700;display:flex;flex-wrap:wrap;gap:6px}.demo button{font:inherit;color:inherit;background:none;border:0;padding:2px 4px;border-radius:8px;cursor:pointer}.demo button[aria-pressed=true],.demo button:hover{background:var(--primary-soft);color:var(--primary)}.demo .gloss{margin-top:14px;min-height:52px;padding:12px 14px;border-radius:14px;background:var(--bg);color:var(--muted);font-size:15px}.demo .gloss strong{color:var(--ink)}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;padding:48px 0 64px}.feature{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px}.feature b{display:block;font-size:17px;margin-bottom:4px}.feature p{margin:0;color:var(--muted);font-size:15px}