/* ===== ブログ専用スタイル（blog.css） ===== */
/* style.css を読み込んだ上でこのファイルを追加で読み込む */

/* ===== ブログ全体レイアウト ===== */
.blog-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 32px;
  align-items: start;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== 記事ヒーロー ===== */
.article-hero {
  background: linear-gradient(135deg, #1D4ED8 0%, #2563EB 50%, #3B82F6 100%);
  color: #fff;
  padding: 52px 20px 48px;
  margin-bottom: 0;
}
.article-hero .container {
  max-width: 800px;
}
.article-hero .category-badge {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}
.article-hero h1 {
  font-size: clamp(22px, 4vw, 34px);
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 16px;
  text-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.article-hero .meta {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255,255,255,0.85);
}
.article-hero .meta span {
  display: flex;
  align-items: center;
  gap: 5px;
}

/* ===== 記事本文エリア ===== */
.article-body {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 40px;
  box-shadow: var(--shadow-md);
  line-height: 1.85;
  font-size: 15.5px;
}

.article-body h2 {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  margin: 40px 0 14px;
  padding: 14px 18px;
  background: var(--primary-light);
  border-left: 5px solid var(--primary);
  border-radius: 0 8px 8px 0;
}
.article-body h2:first-of-type { margin-top: 8px; }

.article-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin: 28px 0 10px;
  padding-bottom: 6px;
  border-bottom: 2px dashed var(--border);
}

.article-body p {
  margin-bottom: 16px;
  color: var(--text);
}

.article-body ul,
.article-body ol {
  padding-left: 24px;
  margin-bottom: 16px;
}
.article-body li {
  margin-bottom: 8px;
  line-height: 1.75;
}

.article-body strong { color: var(--primary-dark); }

/* ===== リード文（最初のつかみ） ===== */
.article-lead {
  background: #F8FAFC;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 28px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

/* ===== 目次 ===== */
.toc {
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 0 0 32px;
}
.toc-title {
  font-size: 14px;
  font-weight: 700;
  color: #92400E;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.toc ol {
  padding-left: 20px;
  margin: 0;
}
.toc li {
  font-size: 14px;
  margin-bottom: 5px;
}
.toc a {
  color: var(--text);
  text-decoration: none;
}
.toc a:hover { color: var(--primary); }

/* ===== アフィリエイトCTAボックス ===== */
.affili-box {
  border-radius: var(--radius);
  padding: 24px 28px;
  margin: 28px 0;
  position: relative;
  overflow: hidden;
}
.affili-box::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
}

.affili-box.type-invest {
  background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
  border: 1px solid #BFDBFE;
}
.affili-box.type-invest::before { background: var(--primary); }

.affili-box.type-furusato {
  background: linear-gradient(135deg, #ECFDF5, #D1FAE5);
  border: 1px solid #A7F3D0;
}
.affili-box.type-furusato::before { background: var(--success); }

.affili-box.type-insurance {
  background: linear-gradient(135deg, #FFF7ED, #FEF3C7);
  border: 1px solid #FDE68A;
}
.affili-box.type-insurance::before { background: var(--warning); }

.affili-box .affili-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.affili-box .affili-title {
  font-size: 17px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 8px;
}
.affili-box .affili-desc {
  font-size: 14px;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.7;
}
.affili-box .affili-points {
  list-style: none;
  padding: 0;
  margin-bottom: 16px;
}
.affili-box .affili-points li {
  font-size: 14px;
  margin-bottom: 5px;
  padding-left: 20px;
  position: relative;
}
.affili-box .affili-points li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}
.affili-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  background: var(--primary);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.15s;
  color: #fff;
  box-shadow: 0 6px 14px rgba(37, 99, 235, 0.22);
}
.affili-btn:hover {
  background: var(--primary-dark);
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
}
.affili-box.type-furusato .affili-btn:not(.disabled) {
  background: var(--success);
  box-shadow: 0 6px 14px rgba(5, 150, 105, 0.22);
}
.affili-box.type-furusato .affili-btn:not(.disabled):hover {
  background: #047857;
}
.affili-box.type-insurance .affili-btn:not(.disabled) {
  background: var(--warning);
  box-shadow: 0 6px 14px rgba(217, 119, 6, 0.22);
}
.affili-box.type-insurance .affili-btn:not(.disabled):hover {
  background: #B45309;
}
.affili-btn.blue  { background: var(--primary); }
.affili-btn.blue:hover  { background: var(--primary-dark); text-decoration: none; }
.affili-btn.green { background: var(--success); }
.affili-btn.green:hover { background: #047857; text-decoration: none; }
.affili-btn.orange { background: var(--warning); }
.affili-btn.orange:hover { background: #B45309; text-decoration: none; }
.affili-btn.disabled {
  background: #94A3B8;
  cursor: default;
  pointer-events: none;
}
.affili-note {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* ===== ポイントボックス ===== */
.point-box {
  background: var(--primary-light);
  border: 1px solid #BFDBFE;
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 20px 0;
}
.point-box .point-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
  letter-spacing: 0.05em;
}
.point-box p {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

/* ===== ツール誘導バナー ===== */
.tool-banner {
  display: flex;
  align-items: center;
  gap: 16px;
  background: linear-gradient(135deg, #1E293B, #334155);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 28px 0;
  text-decoration: none;
  transition: all 0.15s;
}
.tool-banner:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); text-decoration: none; }
.tool-banner .banner-icon { font-size: 36px; flex-shrink: 0; }
.tool-banner .banner-text .banner-label {
  font-size: 11px;
  font-weight: 700;
  color: #94A3B8;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}
.tool-banner .banner-text .banner-title {
  font-size: 16px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 4px;
}
.tool-banner .banner-text .banner-desc {
  font-size: 13px;
  color: #94A3B8;
}
.tool-banner .banner-arrow {
  margin-left: auto;
  font-size: 20px;
  color: #fff;
  flex-shrink: 0;
}

/* ===== まとめボックス ===== */
.summary-box {
  background: var(--text);
  color: #fff;
  border-radius: var(--radius);
  padding: 28px 32px;
  margin: 36px 0 0;
}
.summary-box .summary-title {
  font-size: 17px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.summary-box ul {
  padding-left: 20px;
  margin: 0;
}
.summary-box li {
  color: #CBD5E1;
  font-size: 14px;
  margin-bottom: 8px;
  line-height: 1.7;
}
.summary-box li strong { color: #fff; }

/* ===== サイドバー ===== */
.sidebar { position: sticky; top: 80px; }

.sidebar-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}
.sidebar-card .sidebar-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border);
}
.sidebar-toc ol {
  padding-left: 16px;
  margin: 0;
}
.sidebar-toc li {
  font-size: 13px;
  margin-bottom: 8px;
  line-height: 1.5;
}
.sidebar-toc a { color: var(--text-secondary); }
.sidebar-toc a:hover { color: var(--primary); }

.sidebar-tools a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  font-size: 13px;
  color: var(--text);
  transition: color 0.15s;
}
.sidebar-tools a:last-child { border-bottom: none; }
.sidebar-tools a:hover { color: var(--primary); text-decoration: none; }
.sidebar-tools .tool-icon { font-size: 18px; }

/* ===== ブログ一覧（index） ===== */
.blog-hero {
  background: linear-gradient(135deg, #1D4ED8 0%, #3B82F6 100%);
  color: #fff;
  text-align: center;
  padding: 52px 20px;
}
.blog-hero h1 {
  font-size: clamp(26px, 5vw, 40px);
  font-weight: 800;
  margin-bottom: 12px;
}
.blog-hero p {
  font-size: 16px;
  color: rgba(255,255,255,0.85);
  max-width: 500px;
  margin: 0 auto;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.blog-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  display: block;
  transition: all 0.15s;
  box-shadow: var(--shadow);
}
.blog-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  text-decoration: none;
}
.blog-card-thumb {
  background: linear-gradient(135deg, #2563EB, #3B82F6);
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 52px;
}
.blog-card-body { padding: 20px; }
.blog-card-category {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}
.blog-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.5;
}
.blog-card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
}
.blog-card-meta {
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  gap: 12px;
}

/* ===== レスポンシブ ===== */
@media (max-width: 860px) {
  .blog-layout {
    grid-template-columns: 1fr;
  }
  .sidebar { display: none; }
  .article-body { padding: 24px 20px; }
}

/* ===== ハカセ吹き出し ===== */
.hakase-balloon {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin: 24px 0;
  padding: 20px;
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  border-radius: var(--radius);
}
.hakase-balloon .hakase-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 2px 10px rgba(0,0,0,0.12);
}
.hakase-balloon .hakase-right { flex: 1; }
.hakase-balloon .hakase-name {
  font-size: 11px;
  font-weight: 700;
  color: #92400E;
  margin-bottom: 6px;
  letter-spacing: 0.05em;
}
.hakase-balloon .hakase-bubble {
  background: #fff;
  border: 1px solid #FDE68A;
  border-radius: 12px;
  border-top-left-radius: 4px;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
  position: relative;
}
.hakase-balloon .hakase-bubble strong { color: #92400E; }

/* ===== SVGグラフラッパー ===== */
.svg-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin: 24px 0;
  box-shadow: var(--shadow);
}
.svg-chart-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  text-align: center;
  margin-bottom: 16px;
}
.svg-chart-note {
  font-size: 11px;
  color: var(--text-secondary);
  text-align: center;
  margin-top: 10px;
}

/* ドーナツチャートレイアウト */
.donut-layout {
  display: flex;
  align-items: center;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}
.donut-layout svg { width: 180px; height: 180px; flex-shrink: 0; }
.donut-legend { display: flex; flex-direction: column; gap: 10px; }
.legend-item { display: flex; align-items: center; gap: 10px; }
.legend-color { width: 14px; height: 14px; border-radius: 3px; flex-shrink: 0; }
.legend-label { font-size: 14px; font-weight: 700; color: var(--text); }
.legend-value { font-size: 12px; color: var(--text-secondary); }

/* 棒グラフ */
.bar-chart { width: 100%; height: auto; }
.chart-legend-row {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 10px;
  flex-wrap: wrap;
}
.chart-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text);
}
.chart-legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  flex-shrink: 0;
}

/* ===== ステップフロー図 ===== */
.step-flow {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  margin: 24px 0;
  flex-wrap: wrap;
}
.step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  min-width: 90px;
  max-width: 120px;
  padding: 0 4px;
}
.step-icon { font-size: 30px; margin-bottom: 6px; }
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 6px;
}
.step-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
  text-align: center;
  line-height: 1.4;
  margin-bottom: 4px;
}
.step-desc {
  font-size: 11px;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.5;
}
.step-arrow {
  font-size: 20px;
  color: var(--primary);
  margin-top: 22px;
  padding: 0 2px;
  flex-shrink: 0;
  opacity: 0.6;
}

/* ===== NISAvsiDeCo カード比較 ===== */
.compare-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 20px 0;
}
.compare-card {
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}
.compare-card.type-nisa { border-color: #34D399; background: #F0FDF4; }
.compare-card.type-ideco { border-color: #60A5FA; background: #EFF6FF; }
.compare-card .cc-icon { font-size: 34px; margin-bottom: 6px; }
.compare-card .cc-name { font-size: 17px; font-weight: 800; color: var(--text); margin-bottom: 8px; }
.compare-card .cc-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 14px;
}
.type-nisa .cc-badge { background: #D1FAE5; color: #065F46; }
.type-ideco .cc-badge { background: #DBEAFE; color: #1E3A8A; }
.compare-card .cc-rows { text-align: left; }
.compare-card .cc-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  font-size: 13px;
  gap: 8px;
}
.compare-card .cc-row:last-child { border-bottom: none; }
.compare-card .cc-row .cc-key { color: var(--text-secondary); flex-shrink: 0; }
.compare-card .cc-row .cc-val { font-weight: 700; color: var(--text); text-align: right; }

@media (max-width: 480px) {
  .compare-cards { grid-template-columns: 1fr; }
  .step-arrow { display: none; }
  .step-flow { gap: 8px; }
  .step-item { max-width: 80px; }
}