/* =============================================
   SIGNALS article — 共通スタイル
   §4 の8ブロック構造対応
   ============================================= */

/* ---- Hero ---- */
.sig-hero {
  background: var(--navy-deep);
  color: white;
  padding: 140px clamp(24px, 6vw, 80px) clamp(64px, 9vw, 100px);
  position: relative;
  border-bottom: 1px solid var(--line-dark);
}
.sig-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 20%, rgba(217,163,75,0.08), transparent 60%);
  pointer-events: none;
}
.sig-hero-inner {
  max-width: 860px;
  margin: 0 auto;
  position: relative;
}
.sig-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  font-family: var(--font-display-en);
  font-size: 12px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}
.sig-breadcrumb a {
  color: var(--gold-dim);
  text-decoration: none;
  transition: color 0.2s;
}
.sig-breadcrumb a:hover { color: var(--gold); }
.sig-breadcrumb-sep { color: rgba(255,255,255,0.2); }
.sig-breadcrumb-current { color: rgba(255,255,255,0.5); }

.sig-hero-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.sig-confidence-badge {
  font-family: var(--font-display-en);
  font-size: 12px;
  letter-spacing: 0.15em;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 2px;
  text-transform: uppercase;
}
.sig-confidence-badge--high {
  background: var(--gold);
  color: var(--navy-darker);
}
.sig-confidence-badge--mid {
  background: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.8);
  border: 1px solid rgba(255,255,255,0.25);
}
.sig-confidence-badge--low {
  background: transparent;
  color: rgba(255,255,255,0.5);
  border: 1px solid rgba(255,255,255,0.2);
}
.sig-verified-label {
  font-family: var(--font-display-en);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.45);
}
.sig-sources-label {
  font-family: var(--font-display-en);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.45);
  padding: 2px 8px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 10px;
}

.sig-hero h1 {
  font-family: var(--font-display-jp);
  font-size: clamp(28px, 4.5vw, 52px);
  font-weight: 700;
  color: white;
  line-height: 1.35;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}
.sig-hero-sub {
  font-size: clamp(15px, 1.6vw, 18px);
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  letter-spacing: 0.03em;
  max-width: 640px;
}

/* ---- Body wrapper ---- */
.sig-body {
  max-width: 860px;
  margin: 0 auto;
  padding: clamp(60px, 9vw, 110px) clamp(24px, 6vw, 80px);
}

/* ---- Block 共通 ---- */
.sig-block {
  margin-bottom: clamp(48px, 7vw, 80px);
  padding-bottom: clamp(48px, 7vw, 80px);
  border-bottom: 1px solid var(--line);
}
.sig-block:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.sig-block-label {
  font-family: var(--font-display-en);
  font-size: 11px;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold-dim);
  font-weight: 600;
  margin-bottom: 14px;
}
.sig-block-label--warn {
  color: var(--ink-muted);
}

.sig-block h2 {
  font-family: var(--font-display-jp);
  font-size: clamp(22px, 2.8vw, 34px);
  font-weight: 700;
  color: var(--navy-deep);
  letter-spacing: 0.04em;
  line-height: 1.45;
  margin-bottom: 24px;
}

.sig-block p {
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 2.0;
  letter-spacing: 0.03em;
  margin-bottom: 16px;
}
.sig-block p:last-child { margin-bottom: 0; }

.sig-block strong { color: var(--navy-deep); font-weight: 700; }

/* ---- Block 1: 結論 ---- */
.sig-conclusion {
  background: var(--navy-darker);
  color: white;
  padding: clamp(32px, 4vw, 52px) clamp(28px, 4vw, 48px);
  border-radius: 4px;
  margin-bottom: clamp(48px, 7vw, 80px);
}
.sig-conclusion .sig-block-label { color: var(--gold); }
.sig-conclusion h2 {
  color: white;
  font-size: clamp(20px, 2.5vw, 30px);
}
.sig-conclusion p {
  color: rgba(255,255,255,0.85);
}

/* ---- Block 2: 検証サマリー表 ---- */
.sig-summary-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin-top: 8px;
  overflow-x: auto;
  display: block;
}
.sig-summary-table th {
  background: var(--navy-deep);
  color: white;
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-display-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  white-space: nowrap;
}
.sig-summary-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.7;
  color: var(--ink-soft);
}
.sig-summary-table tr:last-child td { border-bottom: none; }
.sig-summary-table tr:nth-child(even) td { background: var(--bg-subtle); }

.sig-badge {
  display: inline-block;
  font-family: var(--font-display-en);
  font-size: 10px;
  letter-spacing: 0.12em;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 2px;
  text-transform: uppercase;
  white-space: nowrap;
}
.sig-badge--high  { background: var(--navy-deep); color: var(--gold-bright); }
.sig-badge--mid   { background: var(--bg-subtle); color: var(--ink-soft); border: 1px solid var(--line); }
.sig-badge--low   { background: var(--bg-subtle); color: var(--ink-dim); border: 1px solid var(--line); }
.sig-badge--support { background: #EAF4EA; color: #2A6A2A; }
.sig-badge--partial { background: #FFF8E6; color: #8A6000; }
.sig-badge--lacking { background: var(--bg-subtle); color: var(--ink-dim); }

/* ---- Block 3: 根拠 ---- */
.sig-evidence-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-top: 16px;
}
.sig-evidence-item {
  padding: 28px 32px;
  border: 1px solid var(--line);
  background: white;
  position: relative;
}
.sig-evidence-item::before {
  content: '';
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 3px;
  background: var(--gold-dim);
}
.sig-evidence-item--high::before { background: var(--navy); }
.sig-evidence-item--mid::before  { background: var(--gold-dim); }
.sig-evidence-item--low::before  { background: var(--line); }

.sig-evidence-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.sig-evidence-title {
  font-family: var(--font-display-jp);
  font-size: 18px;
  font-weight: 700;
  color: var(--navy-deep);
  letter-spacing: 0.03em;
  flex: 1;
}
.sig-evidence-item p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.95;
  margin-bottom: 12px;
}
.sig-evidence-source {
  font-family: var(--font-display-en);
  font-size: 12px;
  color: var(--ink-dim);
  letter-spacing: 0.08em;
  margin-top: 8px;
}
.sig-evidence-source a {
  color: var(--navy);
  text-decoration: none;
}
.sig-evidence-source a:hover { text-decoration: underline; }

/* ---- Block 5: 弱点・反証 ---- */
.sig-caveat-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 16px;
}
.sig-caveat-item {
  padding: 20px 24px;
  background: var(--bg-subtle);
  border-left: 3px solid var(--ink-dim);
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.85;
}
.sig-caveat-item strong { color: var(--ink); }

/* ---- Block 6: 示唆 ---- */
.sig-implication-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 16px;
  counter-reset: implication;
}
.sig-implication-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.sig-implication-item::before {
  counter-increment: implication;
  content: counter(implication, decimal-leading-zero);
  font-family: var(--font-display-en);
  font-size: 24px;
  color: var(--line);
  line-height: 1;
  flex-shrink: 0;
  padding-top: 4px;
}
.sig-implication-text {
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.9;
}
.sig-implication-text strong { color: var(--navy-deep); }

/* ---- Block 7: 次アクション ---- */
.sig-action-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
  list-style: none;
}
.sig-action-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.75;
}
.sig-action-list li::before {
  content: '→';
  color: var(--gold);
  font-family: var(--font-display-en);
  font-weight: 600;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ---- Block 8: 出典 ---- */
.sig-sources-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
  counter-reset: source;
}
.sig-source-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-muted);
}
.sig-source-item::before {
  counter-increment: source;
  content: '[' counter(source) ']';
  font-family: var(--font-display-en);
  font-size: 11px;
  color: var(--ink-dim);
  flex-shrink: 0;
  margin-top: 3px;
}
.sig-source-item a {
  color: var(--navy);
  text-decoration: none;
  word-break: break-all;
}
.sig-source-item a:hover { text-decoration: underline; }

/* ---- Related Thinking ---- */
.sig-related-thinking {
  margin-top: clamp(48px, 7vw, 80px);
  padding: 36px 40px;
  background: var(--bg-subtle);
  border: 1px solid var(--line);
  border-left: 4px solid var(--gold-dim);
}
.sig-related-label {
  font-family: var(--font-display-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold-dim);
  font-weight: 600;
  margin-bottom: 12px;
}
.sig-related-thinking p {
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.7;
}
.sig-related-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
}
.sig-related-links a {
  font-family: var(--font-display-jp);
  font-size: 16px;
  color: var(--navy-deep);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s;
}
.sig-related-links a::before { content: '←'; color: var(--gold-dim); }
.sig-related-links a:hover { color: var(--navy); }

/* ---- Mobile ---- */
@media (max-width: 720px) {
  .sig-summary-table { font-size: 13px; }
  .sig-evidence-item { padding: 20px 20px 20px 24px; }
  .sig-related-thinking { padding: 24px 20px; }
  .sig-implication-item { flex-direction: column; gap: 4px; }
  .sig-implication-item::before { font-size: 18px; }
}