:root {
  color-scheme: dark;
  font-family: system-ui, sans-serif;
  background: #10051f;
  color: #f5efff;
}
body {
  margin: 0;
  line-height: 1.7;
}
main,
header,
footer {
  max-width: 52rem;
  margin: auto;
  padding: 1.5rem;
}
h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.15;
}
h2 {
  margin-top: 2rem;
}
a {
  color: #ceb7ff;
}
a:focus-visible {
  outline: 3px solid #ceb7ff;
  outline-offset: 4px;
}
.notice {
  padding: 1rem;
  border: 1px solid #745d91;
  border-radius: 0.8rem;
  background: #231532;
}
footer {
  border-top: 1px solid #443252;
}