/* MAESTRO 運用ガイド 共通スタイル
   段階バッジ: 設計=青 / 実装=黄 / 完成=緑 */
:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --accent: #4f46e5;
  --code-bg: #0f172a;
  --code-text: #e2e8f0;
  --stage-design: #2563eb;
  --stage-impl: #d97706;
  --stage-done: #16a34a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1120; --surface: #111827; --text: #e2e8f0; --muted: #94a3b8;
    --border: #1f2937; --accent: #818cf8; --code-bg: #000; --code-text: #e5e7eb;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', 'Noto Sans JP', Roboto, sans-serif;
  line-height: 1.75; font-size: 15px;
}
.wrap { max-width: 860px; margin: 0 auto; padding: 32px 24px 80px; }
header.doc { border-bottom: 1px solid var(--border); padding-bottom: 20px; margin-bottom: 32px; }
.crumbs { font-size: 13px; color: var(--muted); margin-bottom: 12px; }
.crumbs a { color: var(--accent); text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }
h1 { font-size: 1.85rem; line-height: 1.3; margin: 6px 0 10px; letter-spacing: -0.01em; }
h2 { font-size: 1.3rem; margin: 40px 0 12px; padding-top: 8px; border-top: 1px solid var(--border); }
h2:first-of-type { border-top: none; }
h3 { font-size: 1.05rem; margin: 24px 0 8px; }
p, li { color: var(--text); }
.meta { color: var(--muted); font-size: 13px; margin-top: 8px; }
.badge {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .04em;
  padding: 3px 10px; border-radius: 999px; color: #fff; vertical-align: middle;
}
.badge.design { background: var(--stage-design); }
.badge.impl   { background: var(--stage-impl); }
.badge.done   { background: var(--stage-done); }
code {
  font-family: 'SF Mono', ui-monospace, Menlo, Consolas, monospace; font-size: 0.88em;
  background: rgba(99,102,241,.12); color: var(--accent); padding: 1px 6px; border-radius: 5px;
}
pre {
  background: var(--code-bg); color: var(--code-text); padding: 16px 18px; border-radius: 10px;
  overflow-x: auto; font-size: 13px; line-height: 1.6; border: 1px solid var(--border);
}
pre code { background: none; color: inherit; padding: 0; }
table { border-collapse: collapse; width: 100%; margin: 16px 0; font-size: 14px; }
th, td { border: 1px solid var(--border); padding: 9px 12px; text-align: left; vertical-align: top; }
th { background: rgba(99,102,241,.08); font-weight: 600; }
tr:nth-child(even) td { background: rgba(148,163,184,.06); }
.note, .warn, .tip {
  border-left: 4px solid var(--accent); background: var(--surface);
  padding: 12px 16px; border-radius: 0 8px 8px 0; margin: 16px 0; font-size: 14px;
}
.warn { border-left-color: #dc2626; }
.tip  { border-left-color: var(--stage-done); }
.note b, .warn b, .tip b { display: inline-block; margin-bottom: 2px; }
.steps { counter-reset: step; list-style: none; padding-left: 0; }
.steps > li { position: relative; padding-left: 42px; margin: 18px 0; }
.steps > li::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: 0; top: 0; width: 28px; height: 28px;
  background: var(--accent); color: #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px;
}
a { color: var(--accent); }
footer.doc { margin-top: 56px; padding-top: 16px; border-top: 1px solid var(--border); color: var(--muted); font-size: 13px; }