*{box-sizing:border-box}body{font-size:18px;line-height:1.4}h2{font-size:1.6rem;font-weight:700}p{font-size:1.05rem}button{font-size:1.05rem;font-weight:600;padding:12px 18px;border-radius:10px;border:1px solid #ccc;background:#f5f5f5;min-height:44px;cursor:pointer}button:disabled{opacity:.5;cursor:default}input,textarea,select{font-size:1.05rem;padding:10px 12px;border-radius:8px;border:1px solid #ccc}