:root {
  --bg: #f6f5f1;
  --panel: #ffffff;
  --ink: #1d1f23;
  --muted: #6b6f76;
  --line: #e3e1da;
  --accent: #1f5fbf;
  --accent-ink: #ffffff;
  --premise: #e8f0fb;
  --premise-line: #8fb0e3;
  --recall: #eef6ec;
  --recall-line: #8cc28a;
  --revived: #fdf3e2;
  --revived-line: #e2b25a;
  --conflict: #fdecec;
  --conflict-line: #d9534f;
  --ok: #2e7d32;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171a;
    --panel: #1e2125;
    --ink: #e9e7e2;
    --muted: #9aa0a8;
    --line: #33373d;
    --accent: #6c9ee8;
    --accent-ink: #0f1114;
    --premise: #1c2a3d;
    --premise-line: #4b6fa6;
    --recall: #1d2c1e;
    --recall-line: #4f8a4d;
    --revived: #33291a;
    --revived-line: #a8823d;
    --conflict: #3a1f1f;
    --conflict-line: #d06a66;
    --ok: #7cc480;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.7 "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", Meiryo, sans-serif;
  line-break: strict;
  word-break: auto-phrase;
}
header.top {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 12px 20px; background: var(--panel); border-bottom: 1px solid var(--line);
}
header.top h1 { font-size: 18px; margin: 0; }
header.top h1 a { color: inherit; text-decoration: none; }
header.top .sub { color: var(--muted); font-size: 13px; }
header.top .spacer { flex: 1; }
main { max-width: 1180px; margin: 0 auto; padding: 20px 16px 60px; }
h2 { font-size: 16px; margin: 0 0 10px; }
.muted { color: var(--muted); font-size: 13px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin-bottom: 16px; }
button, .btn {
  font: inherit; font-size: 14px; border: 1px solid var(--line); background: var(--panel); color: var(--ink);
  border-radius: 8px; padding: 6px 14px; cursor: pointer; text-decoration: none; display: inline-block;
}
button.primary, .btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
button:disabled { opacity: .5; cursor: default; }
input, textarea, select {
  font: inherit; font-size: 14px; color: var(--ink); background: var(--bg);
  border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; width: 100%;
}
textarea { min-height: 160px; }
label { font-size: 13px; color: var(--muted); display: block; margin: 8px 0 2px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row > input { flex: 1; min-width: 140px; }
.grid { display: grid; grid-template-columns: 1fr 360px; gap: 16px; align-items: start; }
@media (max-width: 860px) { .grid { grid-template-columns: 1fr; } }

/* 台帳 */
.topic { border-top: 1px solid var(--line); padding: 12px 0; }
.topic:first-child { border-top: 0; }
.topic h3 { font-size: 15px; margin: 0 0 6px; }
.item { display: flex; gap: 8px; align-items: baseline; padding: 3px 0; flex-wrap: wrap; }
.item .what { flex: 1; min-width: 200px; }
.item.old .what { color: var(--muted); text-decoration: line-through; }
.tag { font-size: 12px; border-radius: 4px; padding: 0 6px; border: 1px solid var(--line); white-space: nowrap; }
.tag.decision { border-color: var(--accent); color: var(--accent); }
.tag.rejected { border-color: var(--revived-line); }
.tag.hold { border-color: var(--premise-line); }
.ok { color: var(--ok); font-size: 12px; white-space: nowrap; }
.play { font-size: 12px; padding: 0 8px; }
.rank li { margin: 2px 0; }
.answer { white-space: pre-wrap; margin: 10px 0 4px; }

/* 会議中 */
.transcript { max-height: 64vh; overflow-y: auto; }
.u { padding: 4px 0; border-bottom: 1px dashed var(--line); }
.u .who { font-size: 12px; color: var(--muted); margin-right: 6px; cursor: pointer; }
.u.partial { color: var(--muted); }
.cards { position: sticky; top: 12px; max-height: 92vh; overflow-y: auto; }
.card { border-radius: 10px; padding: 12px; margin-bottom: 10px; border: 1px solid; }
.card .kind { font-weight: 700; font-size: 14px; margin-bottom: 4px; }
.card.premise { background: var(--premise); border-color: var(--premise-line); }
.card.recall { background: var(--recall); border-color: var(--recall-line); }
.card.revived { background: var(--revived); border-color: var(--revived-line); }
.card.conflict { background: var(--conflict); border-color: var(--conflict-line); border-width: 2px; }
.card .line { margin: 2px 0; }
.card .from { font-size: 12px; color: var(--muted); }
.card .acts { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.card .done { font-size: 13px; font-weight: 700; margin-top: 6px; }
.card .speed { font-size: 11px; color: var(--muted); float: right; }
.mic-on { background: var(--conflict-line) !important; border-color: var(--conflict-line) !important; color: #fff !important; }
.notice { padding: 8px 12px; border-radius: 8px; background: var(--revived); margin-bottom: 12px; font-size: 14px; }
dialog { border: 1px solid var(--line); border-radius: 12px; background: var(--panel); color: var(--ink); width: min(560px, 92vw); }
dialog::backdrop { background: rgba(0,0,0,.35); }

/* シナリオ */
.scenarios { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; }
.scn { border: 1px solid var(--line); border-radius: 10px; padding: 14px; display: flex; flex-direction: column; gap: 6px; }
.scn .scene { font-size: 12px; color: var(--accent); font-weight: 700; }
.scn h3 { font-size: 15px; margin: 0; }
.scn p { margin: 0; font-size: 14px; }
.scn .effect { font-size: 13px; border-left: 3px solid var(--conflict-line); padding-left: 8px; }
.scn .row { margin-top: auto; padding-top: 6px; }
.banner .effect { border-left: 3px solid var(--conflict-line); padding-left: 8px; margin: 6px 0 10px; }

/* プラン(14日無料・月額)とアカウント */
.planbar { display: flex; gap: 8px 16px; align-items: center; flex-wrap: wrap; background: var(--premise); border: 1px solid var(--premise-line); border-radius: 10px; padding: 10px 14px; margin-bottom: 16px; font-size: 14px; }
.planbar.ended { background: var(--revived); border-color: var(--revived-line); }
.planbar .spacer { flex: 1; }
button.danger { border-color: var(--conflict-line); color: var(--conflict-line); }