/* entry-portal — 公共系・静的・JSゼロ。濃紺基調、ダーク対応 */
:root {
  --ink: #1d2733; --paper: #fbfbf9; --line: #d8dde4;
  --accent: #1a365d; --accent-soft: #eef2f8; --muted: #5a6675;
  --static: #1f6f43; --bridge: #8a5a00; --stub: #777;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8eaed; --paper: #14181d; --line: #333a44;
    --accent: #9db8dd; --accent-soft: #1c2530; --muted: #9aa4b0;
    --static: #7fc79d; --bridge: #d9a94a; --stub: #999;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; color: var(--ink); background: var(--paper);
  font-family: "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif;
  line-height: 1.75; font-size: 16px;
}
main { max-width: 880px; margin: 0 auto; padding: 0 20px 48px; }
a { color: var(--accent); }
h1 { font-size: 1.6rem; margin: 1.2em 0 0.4em; }
h2 { font-size: 1.15rem; margin: 1.6em 0 0.5em; border-left: 4px solid var(--accent); padding-left: 10px; }
h2.minor { border: none; padding: 0; color: var(--muted); }
h3 { font-size: 1rem; margin: 0 0 0.3em; }
.lead { color: var(--muted); }
.fine { font-size: 0.82rem; color: var(--muted); }
.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.9em; }

.site-head {
  display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap;
  padding: 14px 20px; border-bottom: 2px solid var(--accent);
}
.brand { font-weight: 700; font-size: 1.1rem; text-decoration: none; color: var(--accent); }
.tag { font-size: 0.82rem; color: var(--muted); }

.crumbs { max-width: 880px; margin: 0 auto; padding: 8px 20px 0; font-size: 0.85rem; }
.crumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px; }
.crumbs li + li::before { content: "›"; margin: 0 6px; color: var(--muted); }
.crumbs [aria-current] { color: var(--muted); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; margin: 14px 0; }
.grid.two { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.card {
  display: block; border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 16px; text-decoration: none; color: var(--ink); background: var(--accent-soft);
}
a.card:hover { border-color: var(--accent); }
.card.muted { background: transparent; }
.card p { margin: 0.3em 0; font-size: 0.9rem; }

.badge { display: inline-block; font-size: 0.72rem; padding: 1px 8px; border-radius: 999px; border: 1px solid currentColor; }
.badge.static { color: var(--static); }
.badge.bridge { color: var(--bridge); }
.badge.stub { color: var(--stub); }

ul.cols { columns: 2; padding-left: 1.2em; }
@media (max-width: 560px) { ul.cols { columns: 1; } }

.tablewrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 0.92rem; }
th, td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
thead th { background: var(--accent-soft); }
table.kv th { width: 9em; background: var(--accent-soft); }

.site-foot { max-width: 880px; margin: 0 auto; padding: 18px 20px 40px; border-top: 1px solid var(--line); font-size: 0.9rem; }