*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,"Noto Sans JP",sans-serif;background:#f2f5f8;color:#111827}.login-page{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:100%;max-width:420px;padding:36px;background:#fff;border:1px solid #dce2e9;border-radius:20px;box-shadow:0 16px 48px #1118270d}.login-brand{font-size:24px;font-weight:800;letter-spacing:.1em}h1{font-size:24px;margin:28px 0 12px}.login-message{font-size:14px;line-height:1.7;color:#a43b20;min-height:24px}form{display:grid;gap:12px}label{font-size:16px;font-weight:600}input[type=password]{width:100%;min-height:48px;border:1px solid #aeb9c7;border-radius:8px;font:inherit;padding:10px}button{min-height:48px;border:0;border-radius:8px;background:#111827;color:#fff;font:inherit;font-weight:700;cursor:pointer}input:focus-visible,button:focus-visible{outline:3px solid #6688cc;outline-offset:3px}