/* =============================================
   SIGNALS list — /signals/index.html
   Thinking-list.css を踏襲 + Signals 固有要素
   ============================================= */

.signals-hero {
  background: var(--navy-deep);
  color: white;
  padding: 140px clamp(24px, 6vw, 80px) clamp(60px, 8vw, 100px);
  text-align: center;
  border-bottom: 1px solid var(--line-dark);
  position: relative;
}
.signals-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 30%, rgba(217,163,75,0.08), transparent 65%);
  pointer-events: none;
}
.signals-hero .label {
  font-family: var(--font-display-en);
  font-size: clamp(11px, 1.2vw, 13px);
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 18px;
  font-weight: 600;
  position: relative;
}
.signals-hero h1 {
  font-family: var(--font-display-jp);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: white;
  margin-bottom: 24px;
  line-height: 1.3;
  position: relative;
}
.signals-hero p.lead {
  max-width: 760px;
  margin: 0 auto 28px;
  font-size: clamp(14px, 1.4vw, 17px);
  color: rgba(255,255,255,0.75);
  line-height: 2.0;
  font-weight: 300;
  position: relative;
}
.signals-pair-note {
  display: inline-block;
  padding: 10px 24px;
  border: 1px solid rgba(212,168,78,0.35);
  color: var(--gold-bright);
  font-size: 14px;
  letter-spacing: 0.04em;
  line-height: 1.6;
  position: relative;
}

/* ---- Grid ---- */
.signals-list {
  padding: clamp(60px, 9vw, 110px) clamp(24px, 6vw, 80px);
  max-width: var(--maxw);
  margin: 0 auto;
}
.signals-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 2.5vw, 32px);
  margin-bottom: clamp(60px, 8vw, 100px);
}
@media (max-width: 720px) {
  .signals-grid { grid-template-columns: 1fr; }
}

/* ---- Card ---- */
.s-card {
  background: white;
  padding: clamp(28px, 3.5vw, 44px) clamp(24px, 3vw, 36px);
  border: 1px solid var(--line);
  position: relative;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.4s, border-color 0.4s;
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-decoration: none;
  color: inherit;
  min-height: 260px;
}
.s-card.available::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--navy);
}
.s-card.available:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(30, 58, 95, 0.12);
  border-color: var(--navy);
}

/* Header row: status + confidence badge */
.s-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.s-status {
  font-family: var(--font-display-en);
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--navy);
}

/* Confidence badges */
.s-confidence {
  font-family: var(--font-display-en);
  font-size: 11px;
  letter-spacing: 0.15em;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 2px;
  text-transform: uppercase;
}
.s-confidence--high {
  background: var(--navy-deep);
  color: var(--gold-bright);
}
.s-confidence--mid {
  background: var(--bg-subtle);
  color: var(--ink-soft);
  border: 1px solid var(--line);
}
.s-confidence--low {
  background: var(--bg-subtle);
  color: var(--ink-dim);
  border: 1px solid var(--line);
}

.s-card h3 {
  font-family: var(--font-display-jp);
  font-size: clamp(17px, 1.9vw, 22px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--navy-deep);
  letter-spacing: 0.02em;
}

.s-summary {
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-soft);
  flex: 1;
}

/* Meta row: verified date + source count */
.s-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: auto;
}
.s-verified {
  font-family: var(--font-display-en);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-dim);
}
.s-sources-count {
  font-family: var(--font-display-en);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-dim);
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.t-arrow {
  align-self: flex-start;
  font-family: var(--font-display-en);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--navy);
  font-weight: 600;
}

/* ---- Thinking link aside ---- */
.signals-thinking-link {
  padding: 40px 48px;
  background: var(--bg-subtle);
  border: 1px solid var(--line);
  border-left: 4px solid var(--gold-dim);
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 680px;
}
.stl-label {
  font-family: var(--font-display-en);
  font-size: 12px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold-dim);
  font-weight: 600;
}
.signals-thinking-link p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.85;
}
.stl-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display-en);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--navy-deep);
  text-decoration: none;
  font-weight: 600;
  margin-top: 4px;
  transition: color 0.2s;
}
.stl-btn:hover { color: var(--gold); }