:root{--ink: #17222b;--ink-soft: #4a5a68;--line: #dfe5ea;--paper: #ffffff;--wash: #f5f8fa;--brand: #2c698d;--brand-dark: #21506c;--warn-bg: #fff8e1;--warn-line: #e6c34a;--error: #b3261e;--ok-bg: #eef7f0;--ok-line: #7fb894;--radius: 10px;--max: 62rem}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:17px;line-height:1.55;color:var(--ink);background:var(--paper)}a{color:var(--brand-dark)}.topbar{display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap;padding:.9rem 1.5rem;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--paper);z-index:10}.brand{display:inline-flex;align-items:center;gap:.5rem;font-weight:700;font-size:1.15rem;text-decoration:none;color:var(--ink)}.topbar nav{display:flex;gap:1.1rem;flex-wrap:wrap}.topbar nav a{color:var(--ink-soft);text-decoration:none}.topbar nav a:hover{color:var(--brand-dark);text-decoration:underline}.signin{margin-left:auto;display:flex;gap:.5rem;flex-wrap:wrap}.btn{display:inline-block;padding:.5rem .95rem;border-radius:var(--radius);border:1px solid var(--brand);text-decoration:none;font:inherit;cursor:pointer;background:var(--paper);color:var(--brand-dark)}.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn.primary:hover:not(:disabled){background:var(--brand-dark)}.btn.ghost:hover{background:var(--wash)}.btn:disabled{opacity:.55;cursor:not-allowed}main{max-width:var(--max);margin:0 auto;padding:0 1.5rem}section{padding:3rem 0;border-bottom:1px solid var(--line)}section:last-child{border-bottom:0}h1{font-size:clamp(1.8rem,4.5vw,2.7rem);line-height:1.15;margin:0 0 1rem}h2{font-size:1.5rem;margin:0 0 1.2rem}h3{font-size:1.1rem;margin:0 0 .5rem}.hero{padding-top:3.5rem}.lede{font-size:1.2rem;color:var(--ink-soft);max-width:46rem}.draft-note{background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:var(--radius);padding:.7rem .9rem;font-size:.9rem;max-width:46rem}.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr))}.card{border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem;background:var(--wash)}.card p{margin:0;color:var(--ink-soft)}.placeholder{background:var(--warn-bg);border-radius:var(--radius);padding:1.5rem;margin:1rem 0}.placeholder-flag{font-weight:700;color:#8a6100;letter-spacing:.02em;margin:0 0 .5rem}.signup{display:grid;gap:.9rem;max-width:30rem}.signup label{display:grid;gap:.3rem;font-weight:600}.signup input{font:inherit;padding:.55rem .65rem;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--ink)}.signup input:focus-visible,.btn:focus-visible,.check input:focus-visible{outline:2px solid var(--brand);outline-offset:2px}.hint{font-weight:400;font-size:.85rem;color:var(--ink-soft)}.notice{border:1px solid var(--line);background:var(--wash);border-radius:var(--radius);padding:1rem 1.1rem;max-width:42rem}.notice.ok{background:var(--ok-bg);border-color:var(--ok-line)}.notice h3{margin-top:0}.error{color:var(--error);font-weight:600}.dpa{max-width:46rem}.dpa-body{max-height:26rem;overflow:auto;white-space:pre-wrap;word-break:break-word;border:1px solid var(--line);border-radius:var(--radius);padding:1rem;background:var(--wash);font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace;font-size:.85rem;line-height:1.5}.check{display:block;margin:1rem 0;font-weight:600}footer{max-width:var(--max);margin:0 auto;padding:2rem 1.5rem 3rem;color:var(--ink-soft);font-size:.9rem}.muted{color:var(--ink-soft)}.small{font-size:.87rem}@media(prefers-color-scheme:dark){:root{--ink: #e8eef3;--ink-soft: #a7b6c2;--line: #2a3946;--paper: #111a21;--wash: #17222b;--brand: #4d92bd;--brand-dark: #7cb6d8;--warn-bg: #33290a;--warn-line: #7a6420;--error: #ff8a80;--ok-bg: #14261b;--ok-line: #3f6b4f}.placeholder-flag{color:#e8c874}.btn{background:transparent}.btn.primary{color:#08121a}}@media(max-width:40rem){.signin{margin-left:0;width:100%}section{padding:2.2rem 0}}