@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;600;700&display=swap');

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Hiragino Sans', 'Noto Sans JP', sans-serif;
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 64px;
  color: #2A2A2A;
  line-height: 1.75;
  background: #FFF9F5;
  font-size: 14px;
}

.brand {
  font-size: 22px;
  font-weight: 700;
  color: #2A2A2A;
  letter-spacing: 1px;
  margin: 0 0 8px;
}
.tagline {
  font-size: 11px;
  color: #999;
  letter-spacing: 0.5px;
  margin: 0 0 28px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
  padding: 12px 0;
  border-top: 1px solid #E5DDD3;
  border-bottom: 1px solid #E5DDD3;
}
.nav a {
  color: #888;
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.3px;
}
.nav a:hover { color: #D89B98; }
.nav a.active {
  color: #2A2A2A;
  border-bottom: 2px solid #D89B98;
  padding-bottom: 4px;
}

h1 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin: 0 0 8px;
  color: #2A2A2A;
}
h2 {
  font-size: 16px;
  margin: 32px 0 12px;
  color: #2A2A2A;
  border-left: 3px solid #D89B98;
  padding-left: 12px;
  font-weight: 700;
}
h3 {
  font-size: 13px;
  color: #555;
  margin: 20px 0 6px;
  font-weight: 700;
}

p { margin: 6px 0; }
hr { margin: 32px 0; border: none; border-top: 1px solid #E5DDD3; }
.meta { color: #999; font-size: 11px; margin-bottom: 24px; }

ul, ol { margin: 8px 0 12px; padding-left: 22px; }
li { margin-bottom: 4px; font-size: 14px; }

.callout {
  background: #FCE8E5;
  border-left: 3px solid #D89B98;
  padding: 12px 16px;
  margin: 16px 0;
  border-radius: 4px;
  font-size: 13px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 13px;
}
th, td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid #E5DDD3;
}
th { background: #FCE8E5; font-weight: 700; }

.footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid #E5DDD3;
  font-size: 11px;
  color: #999;
  text-align: center;
}
.footer a { color: #888; text-decoration: none; }