:root{font-family:system-ui,-apple-system,"Noto Sans JP",sans-serif;color:#172033;background:#eef3f8}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;padding:24px}.card{width:min(580px,100%);background:#fff;padding:32px;border-radius:14px;box-shadow:0 12px 30px #17324d22}h1{margin:0 0 22px;font-size:1.65rem}label{display:grid;gap:7px;margin:14px 0;font-weight:650}input{width:100%;padding:12px;border:1px solid #9aa9b8;border-radius:7px;font:inherit}.check{display:flex;gap:8px;align-items:center;font-weight:500}.check input{width:auto}button,.button-link{display:block;width:100%;padding:12px;border:0;border-radius:7px;background:#0b63ce;color:#fff;text-align:center;text-decoration:none;font-weight:700;cursor:pointer}.secondary{background:#4f5f70}nav{display:grid;gap:12px;margin-top:22px}a{color:#0756b5}p{line-height:1.7}.error{color:#b42318}