:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --fg: #1d232b;
  --muted: #66707c;
  --line: #d9dee4;
  --head: #eef1f4;
  --accent: #2f6fdb;
  --warn: #8a5a00;
  --warn-bg: #fff6e0;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15191e;
    --panel: #1d232a;
    --fg: #e4e8ec;
    --muted: #98a2ad;
    --line: #333c46;
    --head: #262e37;
    --accent: #6d9cf0;
    --warn: #f0c36d;
    --warn-bg: #3a2f17;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--fg);
  font: 14px/1.55 -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", "Meiryo", "Segoe UI", sans-serif;
}
a { color: var(--accent); }
.pad { padding: 12px 16px; }

.top {
  padding: 10px 48px 10px 16px; /* 右上の「!」（feedback.js）と重ならないように右を空ける */
  background: var(--panel); border-bottom: 1px solid var(--line);
}
.top h1 { font-size: 17px; margin: 0; }
.top h1 .sub { font-weight: normal; color: var(--muted); font-size: 13px; }
.top .disclaimer { margin: 6px 0 0; font-size: 12px; color: var(--warn); }

.layout { display: flex; align-items: flex-start; }
.side {
  flex: 0 0 240px; padding: 12px 12px 24px; border-right: 1px solid var(--line);
  background: var(--panel); min-height: calc(100vh - 45px); position: sticky; top: 0;
}
.side h2 { font-size: 12px; color: var(--muted); margin: 12px 4px 4px; font-weight: 600; }
.side ul { list-style: none; margin: 0; padding: 0; }
.side a { display: block; padding: 6px 8px; border-radius: 6px; text-decoration: none; color: var(--fg); }
.side a:hover { background: var(--head); }
.side a.current { background: var(--accent); color: #fff; }
.side .asof { display: block; font-size: 11px; opacity: 0.75; }

.main { flex: 1; min-width: 0; padding: 16px 20px 40px; }
.cmp h2 { margin: 0 0 4px; font-size: 18px; }
.cmp .meta { margin: 0 0 8px; color: var(--muted); }
.cmp .caution { margin: 0 0 10px; padding: 8px 12px; border-radius: 6px; background: var(--warn-bg); color: var(--warn); }
.cmp .summary { margin: 0 0 12px; }
.cmp h3 { font-size: 14px; margin: 18px 0 6px; }
.cmp .notes { margin: 0; padding-left: 20px; }

.scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); }
table { border-collapse: collapse; min-width: 1400px; }
th, td { border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); padding: 8px 10px; vertical-align: top; text-align: left; }
th { background: var(--head); font-weight: 600; white-space: nowrap; position: sticky; top: 0; }
td:first-child { font-weight: 600; min-width: 130px; }
td { min-width: 150px; }
td.unconfirmed { color: var(--muted); font-style: italic; }
td.src { min-width: 260px; font-size: 12px; }
.sources { margin: 0; padding-left: 18px; }
.mark { color: var(--muted); margin-left: 2px; }

@media (max-width: 720px) {
  .layout { display: block; }
  .side { position: static; min-height: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .main { padding: 12px 16px 32px; }
}