/* risk-check CSS - suite 統合配色版 v2 (2026-05-25) */
:root {
  --rc-primary: #0f2540;
  --rc-gold: #c5a059;
  --rc-gold-dark: #b5924f;
  --rc-gold-light: #f3e3b8;
  --rc-bg: #fbf8f1;
  --rc-text: #0f2540;
  --rc-muted: #6b6657;
  --rc-border: #d9cfb8;
  --rc-card-bg: #fff;
  --rc-warn: #b91c1c;
  --rc-warn-bg: #fef2f2;
  --rc-info-bg: #fef9e7;
}

* { box-sizing: border-box; }
body {
  margin: 0; padding: 0;
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  background: var(--rc-bg);
  color: var(--rc-text);
  line-height: 1.95;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 {
  font-family: 'Noto Serif JP', serif;
  color: var(--rc-primary);
  letter-spacing: 0.04em;
  line-height: 1.55;
}
a { color: var(--rc-primary); text-decoration: none; }
a:hover { color: var(--rc-gold-dark); text-decoration: underline; }

/* Hero */
.rc-hero {
  background: var(--rc-bg);
  padding: 64px 24px 56px;
  text-align: center;
  position: relative;
  border-bottom: 1px solid var(--rc-border);
}
.rc-hero::before {
  content: "";
  position: absolute;
  top: 28px;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 1px;
  background: var(--rc-gold);
}
.rc-hero-eyebrow {
  font-family: 'Noto Serif JP', serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--rc-gold-dark);
  letter-spacing: 0.45em;
  margin: 0 0 20px;
  text-transform: uppercase;
}
.rc-hero h1 {
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 700;
  margin: 0 0 18px;
  color: var(--rc-primary);
}
.rc-tagline {
  font-size: clamp(14px, 1.5vw, 17px);
  color: var(--rc-muted);
  margin: 0 0 24px;
}
.rc-disclaimer-top {
  font-size: 0.88em;
  max-width: 740px;
  margin: 0 auto;
  color: var(--rc-text);
  background: #fff;
  border: 1px solid var(--rc-border);
  border-left: 4px solid var(--rc-gold);
  padding: 14px 22px;
  line-height: 1.85;
  text-align: left;
  border-radius: 3px;
}
.rc-disclaimer-top strong { color: var(--rc-warn); }

/* Container */
.rc-container { max-width: 1100px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 32px); }
.rc-section { padding: clamp(40px, 6vw, 64px) 0; }

/* Search form */
.rc-search {
  max-width: 880px;
  margin: -28px auto 32px;
  background: var(--rc-card-bg);
  padding: clamp(24px, 4vw, 36px);
  border: 1px solid var(--rc-border);
  border-radius: 4px;
  box-shadow: 0 6px 24px rgba(15, 37, 64, 0.08);
  position: relative;
}
.rc-search h2 { margin: 0 0 8px; font-size: 22px; }
.rc-search-eyebrow {
  font-family: 'Noto Serif JP', serif;
  font-size: 12px;
  font-weight: 600;
  color: var(--rc-gold-dark);
  letter-spacing: 0.4em;
  margin: 0 0 16px;
  text-transform: uppercase;
}
.rc-form-wrap { display: flex; gap: 8px; }
#rc-q {
  flex: 1;
  padding: 12px 16px;
  font-size: 1em;
  border: 1px solid var(--rc-border);
  border-radius: 3px;
  font-family: inherit;
}
#rc-q:focus { outline: none; border-color: var(--rc-gold); box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.15); }
#rc-search-btn {
  padding: 12px 32px;
  background: var(--rc-primary);
  color: #fff;
  border: 1px solid var(--rc-primary);
  border-radius: 3px;
  font-size: 1em;
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
#rc-search-btn:hover { background: var(--rc-gold); color: var(--rc-primary); border-color: var(--rc-gold); }
.rc-hint { font-size: 0.85em; color: var(--rc-muted); margin: 10px 0 0; }

/* Result */
.rc-result { margin-top: 28px; }
.rc-company-card {
  border: 1px solid var(--rc-border);
  border-left: 4px solid var(--rc-gold);
  border-radius: 3px;
  padding: 24px;
  background: var(--rc-card-bg);
}
.rc-company-card h3 { margin: 0 0 6px; font-size: 1.35em; }
.rc-company-meta { color: var(--rc-muted); font-size: 0.92em; margin-bottom: 14px; }
.rc-close-info {
  color: var(--rc-warn);
  font-size: 0.92em;
  margin: 10px 0;
  padding: 10px 14px;
  background: var(--rc-warn-bg);
  border-radius: 3px;
}

/* Events */
.rc-event-list { list-style: none; padding: 0; margin: 18px 0 0; }
.rc-event-item {
  border-left: 3px solid var(--rc-border);
  padding: 12px 16px;
  margin-bottom: 10px;
  background: var(--rc-bg);
  border-radius: 0 3px 3px 0;
}
.rc-event-date { color: var(--rc-muted); font-size: 0.85em; }
.rc-event-title { font-weight: 600; margin: 4px 0; color: var(--rc-primary); }
.rc-event-body { font-size: 0.9em; color: #3a4a5c; line-height: 1.85; }
.rc-event-source { font-size: 0.82em; margin-top: 6px; color: var(--rc-muted); }
.rc-event-source a { color: var(--rc-gold-dark); }
.rc-event-source a:hover { color: var(--rc-primary); }

/* Suggestions */
.rc-suggestions { margin-top: 22px; }
.rc-suggestion-item {
  display: block;
  padding: 12px 16px;
  border: 1px solid var(--rc-border);
  border-radius: 3px;
  margin-bottom: 8px;
  text-decoration: none;
  color: var(--rc-text);
  background: var(--rc-card-bg);
  transition: all 0.2s;
}
.rc-suggestion-item:hover {
  background: #fff8e8;
  border-color: var(--rc-gold);
  text-decoration: none;
}
.rc-suggestion-item strong { color: var(--rc-primary); }
.rc-suggestion-item small { display: block; color: var(--rc-muted); font-size: 0.85em; margin-top: 4px; }

/* Interpretation (中立 message) */
.rc-interpretation {
  background: var(--rc-info-bg);
  border-left: 4px solid var(--rc-gold);
  padding: 14px 20px;
  margin: 18px 0;
  border-radius: 0 3px 3px 0;
  line-height: 1.85;
}
.rc-interpretation strong { color: var(--rc-primary); }

/* Warning (お墨付き回避) */
.rc-warn-strong {
  background: var(--rc-warn-bg);
  color: var(--rc-warn);
  font-weight: 600;
  border-left: 5px solid var(--rc-warn);
  padding: 16px 22px;
  margin: 18px 0;
  line-height: 1.85;
  border-radius: 0 3px 3px 0;
  font-size: 0.95em;
}
.rc-warn-strong strong { color: #991b1b; font-size: 1.08em; }
.rc-no-result { padding: 26px; background: var(--rc-card-bg); border: 1px solid var(--rc-border); border-radius: 3px; margin-top: 20px; }
.rc-no-result-meta { margin-top: 14px; color: var(--rc-muted); }
.rc-approx-note {
  color: var(--rc-gold-dark);
  background: var(--rc-info-bg);
  border-left: 4px solid var(--rc-gold);
  padding: 12px 16px;
  margin: 14px 0 22px;
  font-size: 0.92em;
  border-radius: 0 3px 3px 0;
}

/* About section (折りたたみ式) */
.rc-about, .rc-cta, .rc-footer-info {
  max-width: 980px;
  margin: 0 auto;
  padding: 32px clamp(16px, 4vw, 32px);
}
.rc-about h2, .rc-cta h2, .rc-footer-info h3 { color: var(--rc-primary); }
.rc-about-lead {
  background: var(--rc-info-bg);
  border-left: 4px solid var(--rc-gold);
  padding: 14px 18px;
  margin: 14px 0 22px;
  line-height: 1.85;
}
.rc-about table { width: 100%; border-collapse: collapse; margin: 14px 0; background: var(--rc-card-bg); }
.rc-about th, .rc-about td { padding: 10px 14px; border: 1px solid var(--rc-border); text-align: left; font-size: 0.92em; }
.rc-about th { background: var(--rc-bg); font-family: 'Noto Serif JP', serif; color: var(--rc-primary); }
.rc-about ul { padding-left: 22px; }
.rc-about li { margin: 8px 0; font-size: 0.93em; }

/* Collapsible (details) */
.rc-collapse { margin: 14px 0; border: 1px solid var(--rc-border); border-radius: 3px; background: var(--rc-card-bg); }
.rc-collapse summary {
  padding: 14px 20px;
  cursor: pointer;
  font-family: 'Noto Serif JP', serif;
  font-weight: 600;
  color: var(--rc-primary);
  background: var(--rc-bg);
  border-radius: 3px;
  list-style: none;
}
.rc-collapse summary::-webkit-details-marker { display: none; }
.rc-collapse summary::before { content: "▸ "; color: var(--rc-gold); transition: transform 0.2s; }
.rc-collapse[open] summary::before { content: "▾ "; }
.rc-collapse[open] summary { border-bottom: 1px solid var(--rc-border); border-radius: 3px 3px 0 0; }
.rc-collapse-body { padding: 18px 22px; }

/* Why section (M&A 文脈の説明) */
.rc-why {
  background: var(--rc-card-bg);
  border: 1px solid var(--rc-border);
  border-radius: 3px;
  padding: clamp(20px, 3vw, 32px);
  margin: 24px 0;
}
.rc-why h2 { margin-top: 0; font-size: 22px; }
.rc-why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 18px;
}
.rc-why-card {
  background: var(--rc-bg);
  border-left: 3px solid var(--rc-gold);
  padding: 16px 18px;
  border-radius: 0 3px 3px 0;
}
.rc-why-card h3 { font-size: 1em; margin: 0 0 8px; color: var(--rc-primary); }
.rc-why-card p { margin: 0; font-size: 0.92em; line-height: 1.85; color: #3a4a5c; }
.rc-why-emph {
  background: linear-gradient(transparent 58%, var(--rc-gold-light) 58%, var(--rc-gold-light) 92%, transparent 92%);
  padding: 0 4px;
  font-weight: 600;
}

/* 監修者ボックス (EEAT 権威性) */
.rc-author-box {
  background: var(--rc-card-bg);
  border: 1px solid var(--rc-border);
  border-left: 4px solid var(--rc-gold);
  border-radius: 3px;
  padding: 24px 28px;
  margin: 32px 0;
  display: flex;
  gap: 24px;
  align-items: flex-start;
  font-size: 13px;
  line-height: 1.85;
  color: #333;
}
.rc-author-photo { flex-shrink: 0; }
.rc-author-photo img {
  width: 100px;
  height: 130px;
  object-fit: cover;
  border-radius: 3px;
  border: 1px solid var(--rc-border);
}
.rc-author-meta { flex: 1; min-width: 0; }
.rc-author-label {
  font-family: 'Noto Serif JP', serif;
  font-size: 11px;
  color: var(--rc-gold-dark);
  letter-spacing: 0.4em;
  margin: 0 0 8px;
  text-transform: uppercase;
}
.rc-author-name {
  font-family: 'Noto Serif JP', serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--rc-primary);
  margin: 0 0 4px;
}
.rc-author-kana { font-size: 12px; font-weight: 400; color: var(--rc-muted); margin-left: 8px; }
.rc-author-title {
  font-size: 13px;
  color: var(--rc-muted);
  margin: 0 0 12px;
  font-weight: 600;
}
.rc-author-bio { margin: 0 0 12px; font-size: 13px; color: #333; }
.rc-author-credential { margin: 0 0 4px; font-size: 12px; color: #555; }
.rc-author-credential strong { color: var(--rc-primary); }
.rc-author-links { margin: 12px 0 0; font-size: 12px; }
.rc-author-links a { color: var(--rc-primary); text-decoration: underline; }
.rc-author-links a:hover { color: var(--rc-gold-dark); }
.rc-author-sep { color: #aaa; margin: 0 6px; }
@media (max-width: 640px) {
  .rc-author-box { flex-direction: column; padding: 20px; }
  .rc-author-photo img { width: 80px; height: 104px; }
}

/* Suite CTA */
.rc-suite-cta {
  background: var(--rc-card-bg);
  border: 1px solid var(--rc-border);
  border-radius: 4px;
  padding: clamp(28px, 4vw, 44px);
  margin: 32px 0;
  box-shadow: 0 4px 16px rgba(15, 37, 64, 0.06);
}
.rc-suite-cta h2 { font-size: 24px; }
.rc-suite-cta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}
.rc-suite-cta-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: var(--rc-bg);
  padding: 20px 14px;
  border: 1px solid var(--rc-border);
  border-radius: 4px;
  color: var(--rc-text);
  text-decoration: none;
  transition: all 0.2s;
}
.rc-suite-cta-card:hover {
  background: #fff8e8;
  border-color: var(--rc-gold);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(197, 160, 89, 0.18);
  text-decoration: none;
}
.rc-suite-cta-phase {
  font-family: 'Noto Serif JP', serif;
  font-size: 11px;
  font-weight: 600;
  color: var(--rc-gold-dark);
  letter-spacing: 0.32em;
  margin-bottom: 10px;
  text-transform: uppercase;
}
.rc-suite-cta-card strong {
  color: var(--rc-primary);
  font-family: 'Noto Serif JP', serif;
  font-size: 1.02em;
  display: block;
  margin-bottom: 6px;
  line-height: 1.5;
}
.rc-suite-cta-card small {
  color: var(--rc-muted);
  font-size: 0.82em;
  line-height: 1.65;
  flex-grow: 1;
}
.rc-suite-cta-badges {
  display: flex;
  gap: 6px;
  margin-top: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.rc-suite-cta-time, .rc-suite-cta-out {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.74em;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.rc-suite-cta-time {
  background: var(--rc-gold-light);
  color: var(--rc-gold-dark);
  border: 1px solid var(--rc-gold);
}
.rc-suite-cta-out {
  background: var(--rc-bg);
  color: var(--rc-primary);
  border: 1px solid var(--rc-border);
}
.rc-suite-cta-button {
  display: inline-block;
  background: var(--rc-primary);
  color: #fff !important;
  padding: 12px 32px;
  border: 1px solid var(--rc-primary);
  border-radius: 3px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.rc-suite-cta-button:hover {
  background: var(--rc-gold);
  color: var(--rc-primary) !important;
  border-color: var(--rc-gold);
  text-decoration: none;
}

.rc-more-note {
  font-size: 0.85em;
  color: var(--rc-muted);
  background: var(--rc-info-bg);
  border-left: 3px solid var(--rc-gold);
  padding: 10px 14px;
  margin: 12px 0 18px;
  line-height: 1.75;
  border-radius: 0 3px 3px 0;
}

/* 外部検索パネル */
.rc-ext-search {
  background: var(--rc-bg);
  border: 1px solid var(--rc-border);
  border-left: 4px solid var(--rc-gold);
  border-radius: 0 4px 4px 0;
  padding: 22px 26px;
  margin-top: 28px;
}
.rc-ext-search h4 {
  font-family: 'Noto Serif JP', serif;
  color: var(--rc-primary);
  margin: 0 0 10px;
  font-size: 1.08em;
}
.rc-ext-search .rc-ext-note {
  font-size: 0.85em;
  color: var(--rc-muted);
  margin: 0 0 16px;
  line-height: 1.75;
  background: #fff;
  padding: 10px 14px;
  border-left: 3px solid var(--rc-border);
}
.rc-ext-search label {
  display: block;
  font-size: 0.85em;
  color: var(--rc-muted);
  margin: 14px 0 6px;
  line-height: 1.6;
}
.rc-ext-search select, .rc-ext-search input.rc-ext-query {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--rc-border);
  border-radius: 3px;
  font-family: inherit;
  font-size: 0.95em;
  background: #fff;
  color: var(--rc-text);
}
.rc-ext-search select:focus, .rc-ext-search input.rc-ext-query:focus {
  outline: none;
  border-color: var(--rc-gold);
  box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.15);
}
.rc-ext-search input.rc-ext-query { margin-top: 8px; }
.rc-ext-section-label {
  font-size: 0.85em !important;
  color: var(--rc-muted) !important;
  margin: 16px 0 8px !important;
  font-weight: 600 !important;
}
.rc-ext-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.rc-ext-btn {
  padding: 8px 14px;
  background: #fff;
  border: 1px solid var(--rc-border);
  border-radius: 3px;
  font-family: inherit;
  font-size: 0.88em;
  color: var(--rc-primary);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.rc-ext-btn:hover {
  background: #fff8e8;
  border-color: var(--rc-gold);
  color: var(--rc-primary);
}
.rc-ext-disclaimer {
  font-size: 0.78em !important;
  color: var(--rc-muted) !important;
  margin-top: 16px !important;
  line-height: 1.75 !important;
  padding-top: 12px;
  border-top: 1px dashed var(--rc-border);
}

/* Footer nav */
.rc-footer-nav {
  background: var(--rc-primary);
  color: #fff;
  padding: 32px 24px;
  text-align: center;
  margin-top: 40px;
}
.rc-footer-nav a { color: var(--rc-gold-light); margin: 0 14px; font-size: 0.92em; }
.rc-footer-nav a:hover { color: #fff; text-decoration: underline; }
.rc-footer-nav-small { font-size: 0.82em; color: rgba(255,255,255,0.7); margin-top: 12px; }

@media (max-width: 640px) {
  .rc-form-wrap { flex-direction: column; }
  #rc-search-btn { width: 100%; }
  .rc-hero { padding: 40px 16px 32px; }
  .rc-search { margin: -20px 12px 24px; padding: 22px 18px; }
}