:root {
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;

  color: #202124;
  background: #f6f7f9;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

header,
main,
footer {
  width: min(100% - 32px, 1000px);
  margin-inline: auto;
}

header {
  padding: 64px 0 32px;
}

header h1 {
  margin: 0;
  font-size: clamp(2rem, 6vw, 3.5rem);
}

header p {
  margin-top: 8px;
  color: #666;
}

section {
  margin: 32px 0;
}

h2 {
  margin-bottom: 16px;
}

.grid {
  display: grid;
  grid-template-columns:
    repeat(auto-fit, minmax(240px, 1fr));

  gap: 16px;
}

article {
  background: white;
  padding: 20px;
  border: 1px solid #ddd;
  border-radius: 12px;
}

article h3 {
  margin-top: 0;
}

article p {
  color: #666;
}

.links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

a {
  display: inline-block;
  text-decoration: none;
  color: inherit;

  padding: 9px 12px;

  border: 1px solid #bbb;
  border-radius: 8px;
}

a:hover {
  background: #f1f1f1;
}

a.private::after {
  content: " · private";
  color: #777;
  font-size: 0.85em;
}

.notice {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 12px;
  padding: 20px;
}

.notice p {
  margin-bottom: 0;
  color: #666;
}

footer {
  padding: 32px 0;
  color: #777;
  font-size: 0.9rem;
}