:root {
  color-scheme: light dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  background: #f6f7f4;
  color: #20231f;
}

body {
  margin: 0;
}

main {
  width: min(720px, calc(100% - 40px));
  margin: 0 auto;
  padding: 64px 0;
}

h1 {
  line-height: 1.25;
}

a {
  color: #31674a;
}

.card {
  margin-top: 24px;
  padding: 24px;
  border: 1px solid #d9ddd7;
  border-radius: 18px;
  background: #fff;
}

.notice {
  padding: 12px 16px;
  border-radius: 12px;
  background: #fff2c7;
  color: #4c3c00;
}

li + li {
  margin-top: 8px;
}

@media (prefers-color-scheme: dark) {
  :root {
    background: #111411;
    color: #eef1ed;
  }

  .card {
    border-color: #343934;
    background: #1c201c;
  }
}