:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #555555;
  --border: #e2e2e2;
  --link: #0b5cad;
  --accent: #f4f6f8;
  --maxw: 720px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN",
    "Hiragino Sans", "Noto Sans JP", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  word-break: normal;
  overflow-wrap: anywhere;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 24px 20px 64px;
}

header.site {
  border-bottom: 1px solid var(--border);
}

header.site .wrap {
  padding-top: 20px;
  padding-bottom: 20px;
}

.brandrow {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brandrow img {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  flex: 0 0 auto;
  object-fit: cover;
  border: 1px solid var(--border);
}

.brandrow .name {
  margin: 0;
  font-size: 1.35rem;
  line-height: 1.4;
}

.brandrow .tagline {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

main h1 {
  font-size: 1.5rem;
  line-height: 1.5;
  margin: 8px 0 16px;
}

main h2 {
  font-size: 1.15rem;
  margin: 32px 0 8px;
  padding-top: 8px;
}

main h3 {
  font-size: 1rem;
  margin: 20px 0 4px;
}

p {
  margin: 12px 0;
}

a {
  color: var(--link);
}

a:hover,
a:focus {
  text-decoration: underline;
}

.lead {
  font-size: 1.05rem;
}

.note {
  background: var(--accent);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 18px;
  margin: 24px 0;
}

.note p:first-child {
  margin-top: 0;
}

.note p:last-child {
  margin-bottom: 0;
}

ul {
  margin: 12px 0;
  padding-left: 1.4em;
}

li {
  margin: 4px 0;
}

.updated {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 4px;
}

footer.site {
  border-top: 1px solid var(--border);
  margin-top: 48px;
}

footer.site .wrap {
  padding-top: 24px;
  padding-bottom: 40px;
  font-size: 0.9rem;
  color: var(--muted);
}

footer.site nav a {
  margin-right: 16px;
  white-space: nowrap;
}

footer.site .copyright {
  margin-top: 12px;
}

.backlink {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 0.9rem;
}

@media (max-width: 480px) {
  .brandrow img {
    width: 60px;
    height: 60px;
  }
  .brandrow .name {
    font-size: 1.2rem;
  }
}