:root {
  --bg: #f4f6f8;
  --card: #fff;
  --ink: #1a2332;
  --muted: #5c6b7a;
  --accent: #0b6e4f;
  --accent-soft: #e6f4ef;
  --warn: #8a5a00;
  --warn-bg: #fff6e5;
  --border: #d7dee5;
  --danger: #9b1c1c;
  --radius: 10px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
}
a { color: var(--accent); }
header {
  background: var(--ink);
  color: #fff;
  padding: 1rem 1.25rem;
}
header h1 { margin: 0; font-size: 1.25rem; font-weight: 650; }
header p { margin: 0.25rem 0 0; opacity: 0.85; font-size: 0.9rem; }
nav { margin-top: 0.75rem; display: flex; gap: 1rem; flex-wrap: wrap; }
nav a { color: #cfe8dd; text-decoration: none; font-size: 0.9rem; }
nav a:hover { text-decoration: underline; }
main { max-width: 960px; margin: 1.25rem auto; padding: 0 1rem 3rem; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  margin-bottom: 1rem;
}
.card h2 { margin: 0 0 0.75rem; font-size: 1.05rem; }
.row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 0.75rem; }
.field { flex: 1 1 140px; min-width: 120px; }
.field label { display: block; font-size: 0.8rem; color: var(--muted); margin-bottom: 0.2rem; }
.field input, .field select {
  width: 100%;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
}
.hint {
  font-size: 0.78rem;
  color: var(--muted);
  margin: 0.2rem 0 0;
}
.hint.flag {
  background: var(--warn-bg);
  color: var(--warn);
  padding: 0.45rem 0.6rem;
  border-radius: 6px;
  margin-top: 0.4rem;
}
.tabs { display: flex; gap: 0.5rem; margin-bottom: 1rem; }
.tabs button {
  border: 1px solid var(--border);
  background: #fff;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
}
.tabs button.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.hidden { display: none !important; }
button.primary {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.65rem 1.1rem;
  border-radius: 8px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
button.primary:hover { filter: brightness(1.05); }
.result-hero {
  background: var(--accent-soft);
  border: 1px solid #b7 recd0;
  border-color: #b7d9cb;
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
}
.result-hero .big {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0.2rem 0;
}
.result-hero .sub { color: var(--muted); font-size: 0.9rem; }
.badge {
  display: inline-block;
  background: var(--ink);
  color: #fff;
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  margin-top: 0.5rem;
}
table.breakdown { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
table.breakdown th, table.breakdown td {
  text-align: left;
  padding: 0.4rem 0.3rem;
  border-bottom: 1px solid var(--border);
}
table.breakdown td.num { text-align: right; font-variant-numeric: tabular-nums; }
.errors {
  background: #fde8e8;
  color: var(--danger);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}
.disclaimer {
  font-size: 0.82rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
  margin-top: 0.75rem;
}
footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 1rem;
}
.method article { max-width: 720px; }
.method h2 { margin-top: 1.5rem; }
/* v1.8 PR-B: site nav / footer, content pages, offer component (R-AFF-02) */
nav a[aria-current="page"] { color: #fff; text-decoration: underline; }
footer .footer-links { justify-content: center; margin: 0 0 0.5rem; }
footer .footer-links a { color: var(--accent); font-size: 0.85rem; }
footer p { margin: 0; }
.content-page article h2 { font-size: 1.1rem; }
.content-page article h3 { font-size: 1rem; margin-top: 1.25rem; }
.table-wrap { overflow-x: auto; margin: 0.75rem 0; }
table.content-table { border-collapse: collapse; font-size: 0.9rem; min-width: 100%; }
table.content-table th, table.content-table td {
  text-align: left;
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.pending {
  background: var(--warn-bg);
  color: var(--warn);
  font-family: monospace;
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
}
.offer {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border: 1px dashed var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
}
.offer-line { margin: 0; }
.ad-label {
  display: inline-block;
  font-size: 1em;
  font-weight: 700;
  color: #fff;
  background: var(--ink);
  padding: 0 0.4em;
  border-radius: 4px;
  margin-right: 0.35em;
}
.offer-note { margin: 0.35rem 0 0; font-size: 0.8rem; }