:root {
  color: #273445;
  background: #f3f6f9;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN",
    "Yu Gothic", Meiryo, sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

main {
  width: min(calc(100% - 24px), 760px);
  margin: 24px auto;
  padding: clamp(20px, 5vw, 40px);
  border: 1px solid #d6dde5;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(16, 24, 32, 0.08);
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(24px, 6vw, 32px);
}

h2 {
  margin: 28px 0 8px;
  font-size: 18px;
}

p,
li {
  overflow-wrap: anywhere;
  line-height: 1.75;
}

ul {
  padding-left: 1.4em;
}

a {
  color: #165d9f;
}

.document-meta {
  margin: 0 0 28px;
  color: #526070;
  font-size: 14px;
}

.document-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 32px;
  padding-top: 18px;
  border-top: 1px solid #d6dde5;
}

@media (max-width: 480px) {
  main {
    width: 100%;
    min-height: 100dvh;
    margin: 0;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }
}