:root{font-family:Inter,ui-sans-serif,system-ui,sans-serif;color:#172b4d;background:#f7f8fa}
*{box-sizing:border-box}
body{margin:0;display:grid;place-items:center;min-height:100vh;padding:16px}
main{text-align:center;background:white;padding:45px;width:min(420px,100%);border-radius:12px;box-shadow:0 8px 30px #091e4220}
form{margin:18px 0 0}
button{border:0;border-radius:6px;background:#0c66e4;color:white;padding:10px 15px;font-weight:650;font:inherit;cursor:pointer}
h1{margin:0 0 12px;font-size:22px}
p{margin:0}
.notice{background:#fff7d6;padding:12px;border-radius:6px}

@media(max-width:800px){
  main{padding:36px 22px}
}