:root{color-scheme:light}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Hiragino Kaku Gothic ProN,Noto Sans JP,Yu Gothic,sans-serif;line-height:1.6}.container{max-width:880px;margin:0 auto;padding:32px 16px}.hero h1{font-size:32px;margin:0}.hero p{margin:10px 0 0}.grid{margin-top:22px;display:grid;gap:12px}.card{border:1px solid #e5e7eb;border-radius:12px;padding:16px}.card-title-row{display:flex;align-items:center;gap:10px}.card h2{font-size:18px;margin:0}.badge{font-size:12px;padding:2px 8px;border-radius:999px;border:1px solid #e5e7eb}.desc{margin:10px 0 14px}.btn{display:inline-block;padding:10px 14px;border-radius:10px;border:1px solid #e5e7eb;text-decoration:none;color:inherit}.btn:hover{background:#f9fafb}.disabled{font-size:14px;opacity:.7}.note{margin-top:18px;font-size:13px;opacity:.85}.footer{margin-top:28px;font-size:13px;opacity:.8}.footer a{color:inherit}.sep{padding:0 4px}