/* Links Create 共通UIコンポーネント */

/* Light theme (default) */
:root {
  --lc-bg: #f5f7fa;
  --lc-surface: #ffffff;
  --lc-border: #e2e8f0;
  --lc-hover: #dbeafe;
  --lc-accent: #dc2626;
  --lc-cyan: #0891b2;
  --lc-text: #334155;
  --lc-text-dim: #64748b;
  --lc-white: #0f172a;
  --lc-header-bg: rgba(255,255,255,0.95);
  --lc-card-shadow: 0 1px 3px rgba(0,0,0,0.08);
  --lc-cyan-bg: rgba(8,145,178,0.08);
}

/* Dark theme */
[data-theme="dark"] {
  --lc-bg: #1a1a2e;
  --lc-surface: #16213e;
  --lc-border: #0f3460;
  --lc-hover: #1a4a8a;
  --lc-accent: #e94560;
  --lc-cyan: #4cc9f0;
  --lc-text: #e0e0e0;
  --lc-text-dim: #a0a0b0;
  --lc-white: #ffffff;
  --lc-header-bg: rgba(22,33,62,0.97);
  --lc-card-shadow: 0 1px 3px rgba(0,0,0,0.3);
  --lc-cyan-bg: rgba(76,201,240,0.08);
}

/* System dark preference removed — light is always default.
   Users can switch to dark via toggle (persisted in localStorage). */

/* ===== Theme toggle ===== */
.lc-theme-toggle {
  background: none; border: 1px solid var(--lc-border); border-radius: 8px;
  color: var(--lc-text-dim); cursor: pointer; padding: 6px 10px; font-size: 1.1rem;
  line-height: 1; transition: border-color 0.2s, color 0.2s, background 0.2s;
  display: flex; align-items: center; justify-content: center;
  min-width: 36px; min-height: 36px;
}
.lc-theme-toggle:hover { border-color: var(--lc-cyan); color: var(--lc-white); background: var(--lc-cyan-bg); }

/* ===== 共通ヘッダー ===== */
.lc-header {
  background: var(--lc-header-bg);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--lc-border);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", sans-serif;
}

.lc-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  height: 48px;
}

.lc-header-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--lc-white);
  font-weight: 700;
  font-size: 0.95rem;
  white-space: nowrap;
}

.lc-header-brand svg {
  flex-shrink: 0;
}

.lc-header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.lc-header-nav::-webkit-scrollbar { display: none; }

.lc-header-nav a {
  color: var(--lc-text-dim);
  text-decoration: none;
  font-size: 0.8rem;
  padding: 6px 10px;
  border-radius: 6px;
  white-space: nowrap;
  transition: color 0.2s, background 0.2s;
}

.lc-header-nav a:hover {
  color: var(--lc-white);
  background: rgba(76, 201, 240, 0.1);
}

.lc-header-nav a.active {
  color: var(--lc-cyan);
  background: rgba(76, 201, 240, 0.12);
}

.lc-header-sep {
  width: 1px;
  height: 20px;
  background: var(--lc-border);
  margin: 0 4px;
  flex-shrink: 0;
}

/* ===== 共通フッター ===== */
.lc-footer {
  background: var(--lc-surface);
  border-top: 1px solid var(--lc-border);
  padding: 40px 16px 24px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", sans-serif;
  color: var(--lc-text-dim);
  font-size: 0.85rem;
  line-height: 1.6;
}

.lc-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.lc-footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  margin-bottom: 32px;
}

.lc-footer-section h4 {
  color: var(--lc-white);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.lc-footer-links {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
}

.lc-footer-links a {
  color: var(--lc-text-dim);
  text-decoration: none;
  font-size: 0.8rem;
  transition: color 0.2s;
}

.lc-footer-links a:hover {
  color: var(--lc-cyan);
}

.lc-footer-bottom {
  border-top: 1px solid var(--lc-border);
  padding-top: 16px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--lc-text-dim);
}

/* ===== 完了画面CTA ===== */
.lc-cta-panel {
  background: var(--lc-surface);
  border: 1px solid var(--lc-border);
  border-radius: 12px;
  padding: 24px;
  margin-top: 24px;
}

.lc-cta-title {
  color: var(--lc-text-dim);
  font-size: 0.85rem;
  margin-bottom: 16px;
  font-weight: 500;
}

.lc-cta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.lc-cta-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(76, 201, 240, 0.05);
  border: 1px solid var(--lc-border);
  border-radius: 10px;
  text-decoration: none;
  color: var(--lc-text);
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
}

.lc-cta-card:hover {
  background: rgba(76, 201, 240, 0.1);
  border-color: var(--lc-cyan);
  transform: translateY(-1px);
}

.lc-cta-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(76, 201, 240, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

.lc-cta-info {
  min-width: 0;
}

.lc-cta-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--lc-white);
}

.lc-cta-desc {
  font-size: 0.75rem;
  color: var(--lc-text-dim);
  margin-top: 2px;
}

/* ===== ツール横スクロール ===== */
.lc-tools-scroll {
  margin-top: 16px;
}

.lc-tools-scroll-title {
  color: var(--lc-text-dim);
  font-size: 0.8rem;
  margin-bottom: 10px;
}

.lc-tools-row {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.lc-tools-row::-webkit-scrollbar { height: 4px; }
.lc-tools-row::-webkit-scrollbar-track { background: transparent; }
.lc-tools-row::-webkit-scrollbar-thumb { background: var(--lc-border); border-radius: 2px; }

.lc-tool-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--lc-bg);
  border: 1px solid var(--lc-border);
  border-radius: 20px;
  color: var(--lc-text-dim);
  font-size: 0.78rem;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s, color 0.2s;
}

.lc-tool-chip:hover {
  border-color: var(--lc-cyan);
  color: var(--lc-white);
}

/* ===== レスポンシブ ===== */
@media (max-width: 768px) {
  .lc-header-inner { padding: 0 12px; }
  .lc-header-nav a { font-size: 0.75rem; padding: 5px 8px; }
  .lc-footer-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .lc-cta-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .lc-footer-grid { grid-template-columns: 1fr; }
  .lc-header-brand span { display: none; }
}

/* ===== 結果ページ送客CTA ===== */
.lc-result-cta-wrap {
  margin: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.lc-result-cta-primary-row {
  display: flex;
  justify-content: center;
}

.lc-result-cta-primary {
  background: var(--lc-cyan);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.2s, transform 0.15s;
  font-family: inherit;
}

.lc-result-cta-primary:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.lc-result-cta-cross {
  background: var(--lc-surface);
  border: 1px solid var(--lc-border);
  border-radius: 12px;
  padding: 18px 18px 14px;
}

.lc-result-cta-cross-title {
  font-size: 0.82rem;
  color: var(--lc-text-dim);
  margin-bottom: 12px;
  font-weight: 500;
}

.lc-result-cta-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
}

.lc-result-cta-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--lc-bg);
  border: 1px solid var(--lc-border);
  border-radius: 10px;
  text-decoration: none;
  color: var(--lc-text);
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
}

.lc-result-cta-card:hover {
  border-color: var(--lc-cyan);
  background: var(--lc-cyan-bg);
  transform: translateY(-1px);
}

.lc-result-cta-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--lc-cyan-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.lc-result-cta-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.lc-result-cta-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--lc-white);
}

.lc-result-cta-desc {
  font-size: 0.74rem;
  color: var(--lc-text-dim);
}

.lc-result-cta-arrow {
  color: var(--lc-text-dim);
  font-size: 1rem;
}

.lc-outbound-chip {
  display: inline-block;
  padding: 4px 12px;
  background: var(--lc-cyan-bg);
  color: var(--lc-cyan);
  border-radius: 16px;
  font-size: 0.78rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: border-color 0.2s;
}

.lc-outbound-chip:hover { border-color: var(--lc-cyan); }

/* ===== AISEO LP 共通: FAQ / HowTo / 定義リスト ===== */
.lc-faq-block {
  margin: 32px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.lc-faq-item {
  background: var(--lc-surface);
  border: 1px solid var(--lc-border);
  border-radius: 10px;
  padding: 18px 20px;
}

.lc-faq-item h2,
.lc-faq-item h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--lc-white);
  margin: 0 0 10px;
  line-height: 1.5;
}

.lc-faq-item p {
  color: var(--lc-text);
  font-size: 0.92rem;
  line-height: 1.7;
  margin: 0 0 8px;
}

.lc-faq-item dl {
  margin: 8px 0;
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 4px 14px;
  font-size: 0.88rem;
}

.lc-faq-item dt {
  font-weight: 600;
  color: var(--lc-cyan);
}

.lc-faq-item dd {
  margin: 0;
  color: var(--lc-text-dim);
}

.lc-faq-item time {
  display: block;
  margin-top: 10px;
  font-size: 0.72rem;
  color: var(--lc-text-dim);
}

.lc-howto-step {
  display: flex;
  gap: 14px;
  padding: 14px 16px;
  background: var(--lc-surface);
  border: 1px solid var(--lc-border);
  border-radius: 10px;
  margin-bottom: 10px;
}

.lc-howto-step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--lc-cyan-bg);
  color: var(--lc-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.lc-howto-step-body { flex: 1; min-width: 0; }

.lc-howto-step-title {
  font-weight: 600;
  color: var(--lc-white);
  font-size: 0.92rem;
  margin-bottom: 4px;
}

.lc-howto-step-desc {
  color: var(--lc-text-dim);
  font-size: 0.85rem;
  line-height: 1.6;
}

.lc-trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 24px;
  justify-content: center;
}

.lc-trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--lc-cyan-bg);
  color: var(--lc-cyan);
  border-radius: 16px;
  font-size: 0.78rem;
  font-weight: 500;
}

.lc-eeat-block {
  background: var(--lc-surface);
  border: 1px solid var(--lc-border);
  border-radius: 10px;
  padding: 18px 20px;
  margin: 40px 0 24px;
  font-size: 0.85rem;
  color: var(--lc-text-dim);
  line-height: 1.7;
}

.lc-eeat-block strong { color: var(--lc-white); }

.lc-breadcrumb {
  font-size: 0.78rem;
  color: var(--lc-text-dim);
  margin: 12px 0 8px;
}

.lc-breadcrumb a { color: var(--lc-cyan); text-decoration: none; }
.lc-breadcrumb a:hover { text-decoration: underline; }
.lc-breadcrumb-sep { margin: 0 6px; }

/* ============================================================
   Sister Sites Nav (v2.0, Phase C-5)
   <aside data-lc-sidebar> 経由でオプトイン
   ============================================================ */
.lc-sister-sites {
  background: var(--lc-surface, #16213e);
  border: 1px solid var(--lc-border, #0f3460);
  border-radius: 10px;
  padding: 16px 18px;
}
.lc-sister-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--lc-text, #e0e0e0);
  margin: 0 0 12px;
}
.lc-sister-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.lc-sister-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: rgba(76,201,240,0.08);
  border: 1px solid var(--lc-border, #0f3460);
  border-radius: 8px;
  color: var(--lc-text, #e0e0e0);
  text-decoration: none;
  font-size: 0.85rem;
  transition: border-color 0.2s, transform 0.1s;
}
.lc-sister-link:hover {
  border-color: var(--lc-cyan, #4cc9f0);
  transform: translateY(-1px);
  text-decoration: none;
}
.lc-sister-icon {
  font-size: 1rem;
}
.lc-sister-label {
  font-weight: 500;
}
@media (max-width: 480px) {
  .lc-sister-links {
    gap: 6px;
  }
  .lc-sister-link {
    padding: 6px 10px;
    font-size: 0.8rem;
  }
}

/* ============================================================
   v3.0 (2026-09-02, 優先度A): 姉妹ナビ既定描画 + 記事末CTA
   ============================================================ */

/* 明示コンテナが無いページへ自動挿入されるバンド */
.lc-sister-auto {
  max-width: 1100px;
  margin: 40px auto 24px;
  padding: 0 16px;
  box-sizing: border-box;
}
.lc-sister-group {
  margin-bottom: 12px;
}
.lc-sister-group:last-child {
  margin-bottom: 0;
}
.lc-sister-group-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--lc-text-dim, #64748b);
  margin: 0 0 6px;
}

/* 記事末 CTA */
.lc-article-cta {
  margin: 36px 0 8px;
  padding: 18px 20px;
  background: var(--lc-surface, #ffffff);
  border: 1px solid var(--lc-border, #e2e8f0);
  border-left: 3px solid var(--lc-cyan, #0891b2);
  border-radius: 10px;
}
.lc-article-cta-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--lc-text, #334155);
  margin: 0 0 12px;
}
.lc-article-cta-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.lc-article-cta-card {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--lc-cyan-bg, rgba(8,145,178,0.08));
  border: 1px solid var(--lc-border, #e2e8f0);
  border-radius: 8px;
  color: var(--lc-text, #334155);
  text-decoration: none;
  font-size: 0.86rem;
  transition: border-color 0.2s, transform 0.1s;
}
.lc-article-cta-card:hover,
.lc-article-cta-card:focus-visible {
  border-color: var(--lc-cyan, #0891b2);
  transform: translateY(-1px);
  text-decoration: none;
}
.lc-article-cta-card:focus-visible {
  outline: 2px solid var(--lc-cyan, #0891b2);
  outline-offset: 2px;
}
.lc-article-cta-arrow {
  color: var(--lc-cyan, #0891b2);
  font-weight: 700;
}
@media (max-width: 480px) {
  .lc-article-cta {
    padding: 14px 16px;
  }
  .lc-article-cta-card {
    padding: 8px 11px;
    font-size: 0.8rem;
  }
}