:root {
  --bg: #0e0e10; --fg: #ececec; --muted: #8a8a93; --line: #26262b; --card: #16161a;
  --accent: #ff3b3b;
  /* 派閥の色（並び順で固定）。--c4 は中立 */
  --c0: #3987e5; --c1: #d95926; --c2: #199e70; --c3: #c98500; --c4: #6b6b75;
}
@media (prefers-color-scheme: light) {
  :root { --bg: #f6f5f2; --fg: #16161a; --muted: #6b6b75; --line: #dedcd6; --card: #fff;
    --c0: #2a78d6; --c1: #eb6834; --c2: #1baf7a; --c3: #eda100; --c4: #8a8a93; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 15px/1.7 system-ui, "Hiragino Sans", sans-serif; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; }
a { color: inherit; }
main { max-width: 960px; margin: 0 auto; padding: 16px 16px 64px; }
header.site { display: flex; align-items: baseline; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
/* ロゴは文字色＋差し色の赤 1 色だけにして、派閥の色とまぎれないようにする */
.logo { font: 900 19px/1 "M PLUS 1", system-ui, sans-serif; letter-spacing: .02em; white-space: nowrap; text-decoration: none; color: var(--fg); }
/* カタカナは漢字より字面が小さく見えるので少しだけ大きくする。レの左の余白を削って本文の左端に合わせ、バと観がくっつかないよう少し空ける */
.logo b { margin: 0 .075em 0 -.12em; font-weight: inherit; font-size: 1.06em; color: var(--accent); }
small, .note, .empty { color: var(--muted); }
.lead { color: var(--muted); font-size: 13px; margin: 0 0 12px; }
/* 一覧のカード */
.cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.cards a { display: flex; align-items: center; gap: 14px; padding: 12px 14px; background: var(--card); border: 1px solid var(--line); border-radius: 10px; text-decoration: none; }
.cards a:hover { border-color: var(--accent); }
.cb { flex: 1; min-width: 0; display: grid; gap: 6px; }
.cards h2 { margin: 0; font-size: 16px; line-height: 1.4; }
.cards h2 small { margin-left: 6px; font-size: 11px; font-weight: 400; white-space: nowrap; }
.date { flex: none; width: 44px; padding: 3px 0 4px; border: 1px solid var(--line); border-radius: 6px; color: var(--muted); text-align: center; line-height: 1.1; font-variant-numeric: tabular-nums; }
.date small { display: block; font-size: 9px; letter-spacing: .12em; }
.date b { font-size: 15px; color: var(--fg); letter-spacing: -.02em; }
.cards .split { height: 6px; border-radius: 3px; gap: 2px; }
.cards .seg { padding: 0; }
.fl { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0 12px; font-size: 11px; color: var(--muted); }
.fl i { display: inline-block; width: 7px; height: 7px; border-radius: 2px; margin-right: 4px; }
.fl b { color: var(--fg); font-variant-numeric: tabular-nums; }
.stats { flex: none; display: grid; grid-template-columns: 84px 84px 52px; gap: 12px; margin: 0; text-align: right; }
.stats dt { font-size: 10px; color: var(--muted); letter-spacing: .08em; line-height: 1.4; }
.stats dd { margin: 0; font-size: 20px; font-weight: 800; line-height: 1.2; font-variant-numeric: tabular-nums; letter-spacing: -.02em; white-space: nowrap; }
.stats dd small { margin-left: 2px; font-size: 10px; font-weight: 400; }
@media (max-width: 640px) {
  .cards a { flex-wrap: wrap; }
  .stats { width: 100%; grid-template-columns: repeat(3, 1fr); text-align: left; }
}
h1 { font-size: 28px; margin: 16px 0 8px; }
h2 { font-size: 18px; margin: 40px 0 12px; }
h3 { font-size: 13px; color: var(--muted); margin: 0 0 8px; font-weight: 600; }
/* 論争ページの見出し。日付と数字は一覧のカードと同じ見た目にそろえる */
.hero { padding: 8px 0 4px; }
.kicker { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0 6px; margin: 16px 0 6px; color: var(--muted); font-size: 12px; letter-spacing: .04em; }
.kicker time { color: var(--accent); font-weight: 700; font-variant-numeric: tabular-nums; }
.kicker span { margin-left: auto; font-variant-numeric: tabular-nums; }
.hero h1 { margin: 0 0 14px; font-size: 30px; line-height: 1.35; letter-spacing: .01em; text-wrap: balance; }
.summary { margin: 0 0 16px; font-size: 16px; line-height: 1.85; }
.origin { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: baseline; margin: 0 0 16px; padding: 12px 14px; background: var(--card); border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 0 10px 10px 0; font-size: 14px; }
.origin b { color: var(--accent); font-size: 12px; letter-spacing: .08em; white-space: nowrap; }
.origin p { margin: 0; }
.hero .stats { display: flex; gap: 28px; text-align: left; }
@media (max-width: 640px) {
  .hero h1 { font-size: 24px; }
  .summary { font-size: 15px; }
  .origin { grid-template-columns: 1fr; gap: 2px; }
  .hero .stats { display: grid; }
}
.split { display: flex; height: 56px; border-radius: 8px; overflow: hidden; }
.seg { display: flex; flex-direction: column; justify-content: center; padding: 0 10px; min-width: 0; color: #fff; font-size: 12px; white-space: nowrap; overflow: hidden; }
.seg b { font-size: 16px; }
.seg.c0 { background: var(--c0); } .seg.c1 { background: var(--c1); } .seg.c2 { background: var(--c2); } .seg.c3 { background: var(--c3); } .seg.neutral { background: var(--c4); }
.rank { width: 100%; border-collapse: collapse; }
.rank th, .rank td { text-align: left; padding: 8px; border-bottom: 1px solid var(--line); }
.rank th { color: var(--muted); font-weight: 500; font-size: 13px; }
.meter { display: inline-block; width: 80px; height: 6px; background: var(--line); border-radius: 3px; margin-right: 8px; vertical-align: middle; }
.meter span { display: block; height: 100%; background: var(--accent); border-radius: 3px; }
.faction { border-left: 4px solid var(--c); padding-left: 16px; }
.faction.c0 { --c: var(--c0); } .faction.c1 { --c: var(--c1); } .faction.c2 { --c: var(--c2); } .faction.c3 { --c: var(--c3); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.grid > div { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px; }
.bars { list-style: none; margin: 0; padding: 0; }
/* 1 行目にラベルと数字、2 行目に棒を置く（長い主張でも折り返しが詰まらない） */
.bars li { display: grid; grid-template-columns: 1fr auto; gap: 3px 12px; align-items: end; padding: 5px 0; font-size: 13px; line-height: 1.5; }
.bl { grid-area: 1 / 1; }
.bars .bn { grid-area: 1 / 2; }
.grid > .wide { grid-column: 1 / -1; }
.bt { grid-area: 2 / 1 / 3 / -1; height: 6px; background: var(--line); border-radius: 3px; }
.bf { display: block; height: 100%; background: var(--c, var(--accent)); border-radius: 3px; }
.bn { text-align: right; color: var(--muted); font-variant-numeric: tabular-nums; }
/* 派閥をくらべる図: 項目ごとに、派閥の数だけ細い棒を縦に並べる */
.cmp { list-style: none; margin: 0; padding: 0; font-size: 13px; line-height: 1.5; }
.cmp li { padding: 5px 0; }
.cmp .bl { display: block; margin-bottom: 2px; }
.cr { display: flex; align-items: center; gap: 8px; height: 16px; }
.cr .bt { flex: 1; }
.cr .bn { flex: none; width: 3.2em; font-size: 12px; }
.cr.top .bn { color: var(--fg); font-weight: 700; }
.grid > .faction { border-left: 4px solid var(--c); }
.faction h3 b { color: var(--fg); font-size: 15px; margin-right: 6px; }
.faction p { margin: 0 0 8px; font-size: 13px; }
.note { margin-top: 48px; font-size: 12px; }
.nav { margin-left: auto; font-size: 13px; color: var(--muted); }
.howto { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; margin: 16px 0 0; background: #0e0e10; border: 1px solid var(--line); border-radius: 10px; }
.prose h2 { margin-top: 32px; }
h2.part { font-size: 22px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); }
.prose h3 { font-size: 14px; margin-top: 20px; }
.prose li { margin: 4px 0; }
.q { background: var(--card); border: 1px solid var(--line); border-radius: 8px; margin: 8px 0; }
.q summary { cursor: pointer; padding: 8px 12px; }
.qt { color: var(--muted); font-size: 12px; margin-left: 6px; }
.q pre { margin: 0; padding: 12px; border-top: 1px solid var(--line); overflow-x: auto; font-size: 12px; }
.tip { position: relative; display: inline-flex; align-items: center; justify-content: center; width: 16px; height: 16px; padding: 0; margin-left: 4px; border: 1px solid var(--muted); border-radius: 50%; background: none; color: var(--muted); font-size: 10px; font-weight: 700; line-height: 1; cursor: help; vertical-align: middle; }
.tip::before { content: "?"; }
.tip span { display: none; position: absolute; z-index: 10; top: calc(100% + 6px); left: 50%; transform: translateX(-50%); width: max-content; max-width: min(280px, 80vw); padding: 8px 10px; border-radius: 6px; background: var(--fg); color: var(--bg); font-size: 12px; font-weight: 400; line-height: 1.6; text-align: left; white-space: normal; box-shadow: 0 4px 16px rgba(0,0,0,.25); }
.tip:hover span, .tip:focus span { display: block; }
.tip:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.rank th:last-child .tip span, .rank th:nth-last-child(2) .tip span { left: auto; right: -8px; transform: none; }
.bars .bn { text-align: right; white-space: nowrap; }
.bars .bn small { margin-left: 6px; color: var(--muted, #888); }
.note { margin: 4px 0 0; font-size: 12px; color: var(--muted, #888); }

/* 論争ページの図 */
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 13px; margin: 12px 0 0; }
.legend i, .dot { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.viz { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 4px 16px 12px; margin: 24px 0; }
.viz h2 { margin: 14px 0 4px; }
.chart { width: 100%; height: auto; display: block; margin: 8px 0; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .frame { stroke: var(--muted); stroke-width: 1.5; }
.chart .axis { fill: var(--muted); font-size: 11px; }
.chart .lbl { fill: var(--fg); font-size: 12px; }
.chart .corner { fill: var(--fg); font-size: 14px; font-weight: 600; }
.chart .flag line { stroke: var(--fg); stroke-width: 1; stroke-dasharray: 3 3; opacity: .6; }
.chart .flag text { fill: var(--fg); font-size: 11px; }
.chart .hit { fill: transparent; }
.chart .hit:hover { fill: var(--fg); fill-opacity: .06; }
.chart .link:hover { stroke-opacity: .85; }
.chart circle:hover { fill-opacity: 1; }
.vtip { position: fixed; z-index: 10; pointer-events: none; background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 6px 10px; font-size: 12px; box-shadow: 0 4px 16px rgba(0,0,0,.25); min-width: 140px; }
.vtip div { display: flex; justify-content: space-between; gap: 12px; }
.vtip span { color: var(--muted); }
.vbar { margin: 10px 0; }
.vbar .seg { cursor: default; }
.dtable { margin: 8px 0 0; font-size: 13px; }
.dtable summary { cursor: pointer; color: var(--muted); }
.qmatrix { width: 100%; table-layout: fixed; border-collapse: separate; border-spacing: 2px; font-size: 13px; margin: 8px 0; }
.qmatrix th { text-align: left; font-weight: 500; color: var(--muted); padding: 6px; }
.qmatrix td { text-align: center; padding: 10px 4px; border-radius: 4px; background: color-mix(in srgb, var(--accent) calc(var(--a) * 100%), var(--bg)); }
.qmatrix td b { display: block; font-size: 15px; }
.qmatrix td small { color: inherit; opacity: .75; }
.qmatrix td.self { outline: 2px solid var(--fg); outline-offset: -2px; }
.qmatrix td.sum { background: none; color: var(--muted); }
@media (max-width: 600px) { .qmatrix { font-size: 11px; } .qmatrix td b { font-size: 13px; } }
.qmatrix th:first-child { width: 28%; }
.qmatrix th:last-child { width: 8%; }
.vtip[hidden] { display: none; }
.vtip > b { display: block; margin-bottom: 4px; }
/* 伸びた投稿への返信: 帯の下に、荒れた返信の割合を細い帯で添える */
.rsplit { display: flex; border-radius: 8px; overflow: hidden; }
.rcol { flex: 1 1 0; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.rcol .seg { height: 56px; }
.rcol .heat { display: block; height: 6px; background: var(--line); }
.rcol .heat i { display: block; height: 100%; background: var(--accent); }
.seg.undetermined { color: var(--muted); }
.viz .sub { margin: 20px 0 4px; }
/* 返信とリポストからわかること: 見出し 1 行と、派閥ごとのカード（一言を大きく、説明は控えめに） */
.points .headline { margin: 2px 0 14px; font-size: 16px; font-weight: 700; line-height: 1.5; color: var(--muted); }
.pcards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 10px; }
.pcard { display: flex; flex-direction: column; gap: 6px; padding: 12px 14px 14px; border: 1px solid var(--line); border-top: 3px solid var(--c); border-radius: 8px;
  background: color-mix(in srgb, var(--c) 6%, var(--card)); }
.pname { font-size: 12px; font-weight: 700; color: var(--c); }
.pname .dot { background: var(--c); width: 8px; height: 8px; margin-right: 5px; vertical-align: 0; }
.pcatch { margin: 0; font-size: 16px; font-weight: 700; line-height: 1.5; }
.ptext { margin: 0; font-size: 13px; line-height: 1.75; color: var(--muted); }
.ptone { margin: 12px 0 2px; padding: 8px 12px; border-radius: 6px; background: var(--bg); font-size: 13px; }