:root {
  --text: #1a1a1a;
  --muted: #5a6470;
  --border: #e6e8ec;
  --bg: #ffffff;
  --accent: #2563eb;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  font-size: 15px;
  line-height: 1.75;
  -webkit-text-size-adjust: 100%;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 20px 80px;
}

h1 {
  font-size: 22px;
  margin: 0 0 8px;
  line-height: 1.4;
}

h2 {
  font-size: 17px;
  margin: 28px 0 10px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  line-height: 1.5;
}

h3 {
  font-size: 15px;
  margin: 20px 0 8px;
  color: var(--text);
}

p {
  margin: 0 0 12px;
  color: var(--text);
}

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

li { margin-bottom: 4px; }

.lead {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 24px;
}

.notice {
  background: #f6f8fb;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  margin: 12px 0 20px;
  font-size: 14px;
  color: var(--muted);
}

.section-label {
  display: inline-block;
  font-size: 12px;
  color: var(--accent);
  background: #eef3ff;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
  font-weight: 600;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.field {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.field dt { color: var(--muted); margin: 0; }
.field dd { margin: 0; }