:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1d2330;
  --muted: #5d6576;
  --line: #d9dde5;
  --accent: #1f5fbf;
  --accent-weak: #e8f0fc;
  --ok: #1d7a45;      --ok-bg: #e5f4ea;
  --partial: #9a5b00; --partial-bg: #fdf1dc;
  --ng: #b3261e;      --ng-bg: #fbe7e5;
  --none: #5a4fa8;    --none-bg: #eeebfa;
  --error: #6b6b6b;   --error-bg: #ececec;
  --mark: #fff0a6;
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #14171d; --card: #1d2129; --text: #e6e8ec; --muted: #a2a9b6; --line: #343a46;
    --accent: #7aa7ff; --accent-weak: #22304a;
    --ok: #6fd39a; --ok-bg: #173325; --partial: #f2b75a; --partial-bg: #3a2c12;
    --ng: #ff8a80; --ng-bg: #3d1d1b; --none: #b3a8ff; --none-bg: #29254a;
    --error: #b8b8b8; --error-bg: #2c2c2c; --mark: #5a4d00;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #14171d; --card: #1d2129; --text: #e6e8ec; --muted: #a2a9b6; --line: #343a46;
  --accent: #7aa7ff; --accent-weak: #22304a;
  --ok: #6fd39a; --ok-bg: #173325; --partial: #f2b75a; --partial-bg: #3a2c12;
  --ng: #ff8a80; --ng-bg: #3d1d1b; --none: #b3a8ff; --none-bg: #29254a;
  --error: #b8b8b8; --error-bg: #2c2c2c; --mark: #5a4d00;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Hiragino Sans", "Yu Gothic UI", "Meiryo", system-ui, sans-serif;
  line-height: 1.7;
  font-size: 15px;
}
main, .site-head, .site-foot { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.site-head { padding-top: 28px; }
.site-head h1 { margin: 0 0 4px; font-size: 1.6rem; }
.site-head p { margin: 0 0 16px; color: var(--muted); }
.site-foot { color: var(--muted); font-size: .85rem; padding-bottom: 32px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin: 16px 0;
}
.card h2 { margin: 0 0 12px; font-size: 1.2rem; display: flex; align-items: center; gap: 8px; }
.step {
  display: inline-grid; place-items: center;
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--accent); color: #fff; font-size: .9rem;
}
.note { color: var(--muted); font-size: .88rem; margin: 8px 0; }
.warn { color: var(--partial); background: var(--partial-bg); padding: 8px 12px; border-radius: 6px; }
.muted { color: var(--muted); }
.pre { white-space: pre-wrap; overflow-wrap: anywhere; }

/* アップロード */
.drop {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  border: 2px dashed var(--line); border-radius: var(--radius);
  padding: 24px 12px; cursor: pointer; text-align: center;
}
.drop:hover, .drop.over { border-color: var(--accent); background: var(--accent-weak); }
.drop input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.drop:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }
.drop-main { font-weight: 600; color: var(--accent); }
.drop-sub { font-size: .85rem; color: var(--muted); }
.table-wrap { overflow-x: auto; }
table.docs { width: 100%; border-collapse: collapse; margin-top: 12px; font-size: .9rem; }
table.docs th, table.docs td { border-bottom: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: middle; }
table.docs .num { text-align: right; white-space: nowrap; }
table.docs input { width: 100%; min-width: 160px; }
.doc-warn td { color: var(--partial); font-size: .85rem; }

/* 選択肢 */
fieldset.choices { border: 0; padding: 0; margin: 0 0 16px; display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
fieldset.choices legend { font-weight: 600; margin-bottom: 6px; padding: 0; }
.choice {
  display: grid; grid-template-columns: auto 1fr; column-gap: 8px;
  border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; cursor: pointer;
}
.choice:has(input:checked) { border-color: var(--accent); background: var(--accent-weak); }
.choice:has(input:disabled) { opacity: .5; cursor: not-allowed; }
.choice input { margin-top: 5px; }
.choice-title { font-weight: 700; }
.choice-desc { grid-column: 2; font-size: .85rem; color: var(--muted); }
.passcode { display: flex; gap: 8px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }

input[type="text"], input[type="password"], select {
  font: inherit; color: var(--text); background: var(--card);
  border: 1px solid var(--line); border-radius: 6px; padding: 4px 8px;
}
button {
  font: inherit; cursor: pointer; color: var(--text); background: var(--card);
  border: 1px solid var(--line); border-radius: 6px; padding: 6px 14px;
}
button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { opacity: .5; cursor: not-allowed; }
button.primary { background: var(--accent); color: #fff; border-color: var(--accent); font-weight: 600; }
button.small { padding: 2px 10px; font-size: .85rem; }
button.active { background: var(--accent-weak); border-color: var(--accent); }

/* チェック対象 */
.target-list { display: grid; gap: 8px; }
details.group { border: 1px solid var(--line); border-radius: var(--radius); padding: 4px 12px; }
details.group summary { cursor: pointer; font-weight: 600; padding: 6px 0; }
.count { color: var(--muted); font-weight: 400; font-size: .85rem; margin-left: 8px; }
.target { border-top: 1px solid var(--line); padding: 8px 0; }
.target h3, .result header { margin: 0 0 4px; font-size: 1rem; display: flex; flex-wrap: wrap; gap: 6px; align-items: baseline; }
.no { font-family: ui-monospace, Consolas, monospace; color: var(--accent); font-weight: 700; }
.tag { font-size: .75rem; border: 1px solid var(--line); border-radius: 999px; padding: 0 8px; color: var(--muted); font-weight: 400; }
.tag-contract { color: var(--none); border-color: var(--none); }
.tag-warn { color: var(--ng); border-color: var(--ng); margin-left: 6px; }
dl { display: grid; grid-template-columns: 9em 1fr; gap: 2px 12px; margin: 4px 0; font-size: .9rem; }
dt { color: var(--muted); }
dd { margin: 0; }
.run-bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 16px; }
.run-msg { color: var(--muted); font-size: .9rem; }
progress { width: 100%; margin-top: 8px; }

/* 結果 */
.result-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.result-head h2 { margin: 0; }
.report-meta { margin: 12px 0; }
.summary { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.stat { border-radius: 8px; padding: 8px 14px; min-width: 110px; display: flex; flex-direction: column; }
.stat-n { font-size: 1.5rem; font-weight: 700; line-height: 1.2; }
.stat-l { font-size: .85rem; }
.filters { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-bottom: 12px; font-size: .9rem; }
.result { border: 1px solid var(--line); border-left-width: 5px; border-radius: 8px; padding: 12px 14px; margin: 10px 0; }
.result h4 { margin: 10px 0 2px; font-size: .9rem; }
.result p { margin: 2px 0; }
.result-title { font-weight: 700; display: inline-flex; gap: 6px; align-items: baseline; flex: 1; }
.badge { border-radius: 999px; padding: 0 10px; font-size: .8rem; font-weight: 700; white-space: nowrap; }
.refs { margin: 4px 0; padding-left: 1.2em; }
.refs li { margin: 4px 0; }
.ref-head { font-size: .9rem; }
blockquote { margin: 2px 0 6px; padding: 4px 10px; border-left: 3px solid var(--line); color: var(--text); font-size: .9rem; white-space: pre-wrap; overflow-wrap: anywhere; }
mark { background: var(--mark); color: inherit; }
.proposal { background: var(--accent-weak); border-radius: 6px; padding: 8px 12px; font-size: .9rem; }
.confirm { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 10px; font-size: .9rem; }
.confirm input { flex: 1; min-width: 180px; }
.disclaimer { color: var(--muted); font-size: .85rem; margin-top: 16px; }

.st-ok { --c: var(--ok); --cb: var(--ok-bg); }
.st-partial { --c: var(--partial); --cb: var(--partial-bg); }
.st-ng { --c: var(--ng); --cb: var(--ng-bg); }
.st-none { --c: var(--none); --cb: var(--none-bg); }
.st-error, .st-pending { --c: var(--error); --cb: var(--error-bg); }
.stat, .badge { background: var(--cb); color: var(--c); }
.result { border-left-color: var(--c); }

.print-only { display: none; }

@media (max-width: 600px) {
  .card { padding: 14px; }
  dl { grid-template-columns: 1fr; }
  dt { margin-top: 4px; }
}

/* 印刷(PDF 保存)用 */
@media print {
  @page { size: A4; margin: 14mm 12mm; }
  :root { --bg: #fff; --card: #fff; --text: #000; --muted: #444; --line: #bbb; --accent-weak: #f1f4f9; color-scheme: light; }
  body { font-size: 10.5pt; background: #fff; }
  .no-print, .filters, #target-card, .result-head { display: none !important; }
  .print-only { display: block; font-size: 15pt; margin: 0 0 6px; }
  main { max-width: none; padding: 0; }
  .card { border: 0; padding: 0; margin: 0; }
  .result { break-inside: avoid; page-break-inside: avoid; }
  .stat, .badge, .proposal, mark { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .confirm select, .confirm input { border: 1px solid #999; }
  a { color: inherit; }
}