/* BonaBase BBSAC — Content Pages */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&family=Noto+Sans+JP:wght@400;500;600;700&display=swap');

:root {
  --bg: #0a0d12;
  --surface: #111620;
  --surface2: #161d29;
  --ink: #e8ecf2;
  --muted: #7d8494;
  --line: rgba(120,160,220,.12);
  --accent: #e0a94c;
  --accent2: #4cb8c4;
  --critical: #e04b3b;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --body: 'Inter', 'Noto Sans JP', system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--ink); font-family: var(--body); font-size: 15px; line-height: 1.7; }
a { color: var(--accent2); text-decoration: none; }
a:hover { text-decoration: underline; }
strong { color: var(--ink); font-weight: 600; }
code { font-family: var(--mono); background: var(--surface2); padding: 2px 6px; border-radius: 4px; font-size: 12px; color: var(--accent2); }

.container { max-width: 860px; margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); background: rgba(10,13,18,.92); backdrop-filter: blur(8px); position: sticky; top: 0; z-index: 50; }
.site-header .inner { max-width: 860px; margin: 0 auto; padding: 13px 24px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.logo { font-family: var(--mono); font-size: 14px; font-weight: 600; color: var(--ink); display: flex; align-items: baseline; gap: 6px; flex-shrink: 0; }
.logo .accent { color: var(--accent); }
.logo .sep { color: var(--muted); font-size: 10px; }
.site-nav { display: flex; gap: 2px; }
.site-nav a { font-family: var(--mono); font-size: 11px; color: var(--muted); padding: 5px 8px; border-radius: 4px; }
.site-nav a:hover { color: var(--ink); background: var(--surface); text-decoration: none; }
.site-nav a.active { color: var(--accent); background: rgba(224,169,76,.08); }
.header-cta { padding: 7px 14px; background: var(--accent); color: var(--bg); border-radius: 6px; font-family: var(--mono); font-size: 11px; font-weight: 600; flex-shrink: 0; }
.header-cta:hover { text-decoration: none; opacity: .88; }

/* Breadcrumb */
.breadcrumb { font-family: var(--mono); font-size: 11px; color: var(--muted); padding: 14px 0; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--ink); text-decoration: none; }
.breadcrumb .sep { margin: 0 6px; color: var(--line); }

/* Page header */
.page-header { padding: 52px 0 44px; }
.page-label { font-family: var(--mono); font-size: 10px; color: var(--accent); letter-spacing: .14em; text-transform: uppercase; margin-bottom: 14px; }
.page-header h1 { font-size: 34px; font-weight: 600; letter-spacing: -.02em; line-height: 1.2; margin-bottom: 16px; }
.page-header .lead { font-size: 16px; color: #b0b4be; line-height: 1.75; max-width: 660px; }

/* Sections */
section { padding: 44px 0; border-top: 1px solid var(--line); }
h2 { font-size: 22px; font-weight: 600; letter-spacing: -.01em; margin-bottom: 18px; }
h3 { font-size: 15px; font-weight: 600; margin-bottom: 8px; }
p { color: #b0b4be; margin-bottom: 14px; }
p:last-child { margin-bottom: 0; }

/* Cards */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 24px; }
.card-grid { display: grid; gap: 14px; }
.card-grid.g2 { grid-template-columns: 1fr 1fr; }
.card-grid.g3 { grid-template-columns: 1fr 1fr 1fr; }
.card .card-label { font-family: var(--mono); font-size: 10px; color: var(--accent); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 10px; }
.card h3 { margin-bottom: 8px; }
.card p { font-size: 13px; color: var(--muted); margin: 0; line-height: 1.7; }

/* Table */
.table-wrap { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; margin: 16px 0; }
table { width: 100%; border-collapse: collapse; }
th { font-family: var(--mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); background: var(--surface2); padding: 12px 16px; text-align: left; }
td { padding: 13px 16px; border-top: 1px solid var(--line); font-size: 13.5px; color: #c8cdd6; vertical-align: top; }
td:first-child { font-weight: 500; color: var(--ink); }
.badge { display: inline-block; font-family: var(--mono); font-size: 10px; padding: 2px 8px; border-radius: 4px; letter-spacing: .06em; white-space: nowrap; }
.b-amber { color: var(--accent); border: 1px solid var(--accent); }
.b-teal { color: var(--accent2); border: 1px solid var(--accent2); }
.b-green { color: #7dd3a5; border: 1px solid #7dd3a5; }
.b-ok { color: #7dd3a5; }
.b-ng { color: var(--muted); }

/* Check list */
ul.cl { list-style: none; padding: 0; margin: 10px 0; }
ul.cl li { padding-left: 20px; position: relative; color: #b0b4be; margin-bottom: 7px; font-size: 14px; line-height: 1.6; }
ul.cl li::before { content: '+'; color: var(--accent2); position: absolute; left: 0; font-family: var(--mono); font-weight: 600; }

/* FAQ details/summary */
details { border: 1px solid var(--line); border-radius: 10px; margin-bottom: 10px; background: var(--surface); overflow: hidden; }
summary { padding: 18px 22px; font-size: 15px; font-weight: 500; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary .q-icon { font-family: var(--mono); font-size: 15px; color: var(--muted); flex-shrink: 0; line-height: 1.5; }
details[open] summary { color: var(--ink); border-bottom: 1px solid var(--line); }
details[open] summary .q-icon { color: var(--accent2); }
.faq-a { padding: 18px 22px; color: #b0b4be; font-size: 14px; line-height: 1.85; }
.faq-a p { color: #b0b4be; margin-bottom: 10px; }
.faq-a p:last-child { margin-bottom: 0; }
.faq-a ul { margin: 8px 0 12px 20px; }
.faq-a li { color: #b0b4be; margin-bottom: 4px; font-size: 14px; }
.faq-cat { font-family: var(--mono); font-size: 10px; color: var(--accent); letter-spacing: .12em; text-transform: uppercase; margin: 32px 0 12px; }
.faq-cat:first-child { margin-top: 0; }

/* CTA block */
.cta-block { background: linear-gradient(135deg, var(--surface2), var(--surface)); border: 1px solid rgba(224,169,76,.25); border-radius: 12px; padding: 32px; margin-top: 8px; }
.cta-block h2 { margin-bottom: 8px; }
.cta-block p { margin-bottom: 20px; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 11px 18px; border-radius: 7px; font-family: var(--mono); font-size: 12px; font-weight: 600; cursor: pointer; }
.btn:hover { text-decoration: none; opacity: .88; }
.btn-primary { background: var(--accent); color: var(--bg); }
.btn-outline { border: 1px solid var(--line); color: var(--ink); }
.btn-teal { border: 1px solid var(--accent2); color: var(--accent2); }

/* Highlight box */
.highlight { background: rgba(76,184,196,.06); border: 1px solid rgba(76,184,196,.2); border-radius: 8px; padding: 16px 20px; margin: 16px 0; font-size: 14px; color: #b0b4be; }
.highlight strong { color: var(--accent2); }
.warn { background: rgba(224,169,76,.06); border: 1px solid rgba(224,169,76,.2); border-radius: 8px; padding: 16px 20px; margin: 16px 0; font-size: 14px; color: #b0b4be; }
.warn strong { color: var(--accent); }

/* Footer */
footer { padding: 28px 0; border-top: 1px solid var(--line); margin-top: 48px; }
footer .inner { max-width: 860px; margin: 0 auto; padding: 0 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-links { display: flex; gap: 14px; flex-wrap: wrap; }
footer a { font-family: var(--mono); font-size: 11px; color: var(--muted); }
footer a:hover { color: var(--ink); text-decoration: none; }
.footer-copy { font-family: var(--mono); font-size: 11px; color: var(--muted); }

/* Responsive */
@media (max-width: 640px) {
  .page-header h1 { font-size: 26px; }
  .card-grid.g2, .card-grid.g3 { grid-template-columns: 1fr; }
  .site-nav { display: none; }
  .btn-row { flex-direction: column; }
  footer .inner { flex-direction: column; text-align: center; }
  summary { font-size: 14px; }
}