/* ==========================================================================
    見出しスタイル
    ========================================================================== */

/* H2 - メイン見出し */
.article-preview h2 {
  position: relative;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--asf-gray-900);
  margin: 2rem 0 1rem;
  padding: 0.75rem 1rem 0.75rem 1.25rem;
  background: linear-gradient(135deg, var(--asf-gray-50) 0%, #fff 100%);
  border-left: 4px solid var(--asf-primary);
  border-radius: 0 var(--asf-radius) var(--asf-radius) 0;
  box-shadow: var(--asf-shadow);
}

.article-preview h2::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--asf-primary) 0%, transparent 100%);
}

/* H3 - サブ見出し */
.article-preview h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--asf-gray-900);
  margin: 1.75rem 0 0.75rem;
  padding: 0.5rem 0 0.5rem 1rem;
  border-left: 3px solid var(--asf-secondary);
  background: linear-gradient(90deg, var(--asf-gray-50) 0%, transparent 50%);
}

/* H4 - 小見出し */
.article-preview h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--asf-gray-700);
  margin: 1.5rem 0 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px dotted var(--asf-gray-300);
}

/* H5/H6 */
.article-preview h5,
.article-preview h6 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--asf-gray-700);
  margin: 1.25rem 0 0.5rem;
}

/* ==========================================================================
    段落・テキスト
    ========================================================================== */
.article-preview p {
  margin-bottom: 1rem;
  text-align: justify;
  text-justify: inter-ideograph;
  line-height:2;
}

.article-preview strong,
.article-preview b {
  font-weight: 700;
  color: var(--asf-gray-900);
}

/* マーカー風ハイライト */
.article-preview mark,
.article-preview .marker {
  background: linear-gradient(transparent 60%, #fef08a 60%);
  padding: 0 0.25rem;
}

.article-preview .marker-pink {
  background: linear-gradient(transparent 60%, #fbcfe8 60%);
}

.article-preview .marker-blue {
  background: linear-gradient(transparent 60%, #bfdbfe 60%);
}

.article-preview .marker-green {
  background: linear-gradient(transparent 60%, #bbf7d0 60%);
}

/* 赤文字強調 */
.article-preview .text-important,
.article-preview .red {
  color: var(--asf-danger);
  font-weight: 600;
}

/* 大文字強調 */
.article-preview .text-large {
  font-size: 1.25em;
  font-weight: 600;
}

/* 小文字・注釈 */
.article-preview .text-small,
.article-preview small {
  font-size: 0.875em;
  color: var(--asf-gray-500);
}

/* ==========================================================================
    固有名詞・キーワード装飾
    ========================================================================== */

/* 商品名・サービス名 */
.article-preview .product-name,
.article-preview .service-name {
  font-weight: 700;
  color: var(--asf-primary-dark);
}

/* ブランド名 */
.article-preview .brand {
  font-weight: 700;
  color: #1e293b;
  letter-spacing: 0.02em;
}

/* 人名・著者名 */
.article-preview .person-name {
  font-weight: 600;
  color: var(--asf-gray-900);
}

/* 専門用語・技術用語 */
.article-preview .term {
  font-weight: 600;
  color: var(--asf-secondary);
  border-bottom: 1px dotted var(--asf-secondary);
}

/* 固有名詞（サービス名、製品名、会社名など） */
.article-preview .proper-noun {
  font-weight: 600;
  color: var(--asf-gray-900);
  background: linear-gradient(transparent 60%, rgba(59, 130, 246, 0.15) 60%);
  padding: 0 0.125rem;
}

/* キーワード・キーフレーズ */
.article-preview .keyword {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  background: var(--asf-gray-100);
  border-radius: 4px;
  font-weight: 600;
  color: var(--asf-gray-700);
}

/* 下線強調 */
.article-preview .underline,
.article-preview u {
  text-decoration: underline;
  text-decoration-color: var(--asf-primary);
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
}

/* 波線強調 */
.article-preview .underline-wavy {
  text-decoration: underline wavy;
  text-decoration-color: var(--asf-danger);
  text-underline-offset: 3px;
}

/* 打ち消し線 */
.article-preview .strikethrough,
.article-preview s,
.article-preview del {
  text-decoration: line-through;
  color: var(--asf-gray-500);
}

/* 背景ハイライト（ボックス型） */
.article-preview .highlight {
  display: inline;
  padding: 0.125rem 0.375rem;
  background: #fef3c7;
  border-radius: 3px;
}

.article-preview .highlight-blue {
  background: #dbeafe;
}

.article-preview .highlight-green {
  background: #dcfce7;
}

.article-preview .highlight-pink {
  background: #fce7f3;
}

/* 枠囲み強調 */
.article-preview .boxed {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  border: 2px solid var(--asf-primary);
  border-radius: 4px;
  font-weight: 600;
}

/* ラベル・タグ */
.article-preview .label {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 4px;
  background: var(--asf-primary);
  color: #fff;
}

.article-preview .label-success { background: var(--asf-success); }
.article-preview .label-warning { background: var(--asf-warning); color: #1f2937; }
.article-preview .label-danger { background: var(--asf-danger); }
.article-preview .label-info { background: var(--asf-info); }
.article-preview .label-gray { background: var(--asf-gray-500); }

/* NEW・更新マーク */
.article-preview .badge-new {
  display: inline-block;
  padding: 0.125rem 0.375rem;
  font-size: 0.625rem;
  font-weight: 700;
  background: linear-gradient(135deg, #ef4444 0%, #f97316 100%);
  color: #fff;
  border-radius: 3px;
  vertical-align: super;
  margin-left: 0.25rem;
}

.article-preview .badge-updated {
  display: inline-block;
  padding: 0.125rem 0.375rem;
  font-size: 0.625rem;
  font-weight: 700;
  background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
  color: #fff;
  border-radius: 3px;
  vertical-align: super;
  margin-left: 0.25rem;
}

/* 価格・数字の強調 */
.article-preview .price {
  font-weight: 700;
  font-size: 1.125em;
  color: var(--asf-danger);
}

.article-preview .price-large {
  font-weight: 700;
  font-size: 1.5em;
  color: var(--asf-danger);
}

.article-preview .price::before {
  content: "¥";
  font-size: 0.75em;
}

.article-preview .number {
  font-weight: 700;
  font-family: "SF Mono", Consolas, monospace;
  color: var(--asf-primary-dark);
}

/* 引用インライン */
.article-preview .quote-inline {
  font-style: italic;
  color: var(--asf-gray-500);
}

.article-preview .quote-inline::before {
  content: '"';
}

.article-preview .quote-inline::after {
  content: '"';
}

/* 注釈・補足 */
.article-preview .note {
  font-size: 0.875em;
  color: var(--asf-gray-500);
}

.article-preview .note::before {
  content: "※";
  margin-right: 0.25rem;
}

/* アスタリスク付きテキスト */
.article-preview .required::after {
  content: "*";
  color: var(--asf-danger);
  font-weight: 700;
  margin-left: 0.125rem;
}

/* 略語 */
.article-preview abbr {
  cursor: help;
  border-bottom: 1px dotted var(--asf-gray-400);
}

/* 上付き・下付き */
.article-preview sup {
  font-size: 0.75em;
  vertical-align: super;
}

.article-preview sub {
  font-size: 0.75em;
  vertical-align: sub;
}

/* リンクスタイルバリエーション */
.article-preview a.external::after {
  content: " ↗";
  font-size: 0.75em;
}

.article-preview a.no-style {
  color: inherit;
  text-decoration: none;
}

/* ==========================================================================
    リスト
    ========================================================================== */

/* 通常リスト */
.article-preview ul {
  margin: 1rem 0;
  padding-left: 0;
  list-style: none;
}

.article-preview ul li {
  position: relative;
  padding: 0.5rem 0 0.5rem 1.75rem;
  margin-bottom: 0.25rem;
}

.article-preview ul li::before {
  content: "";
  position: absolute;
  left: 0.5rem;
  top: 1rem;
  width: 8px;
  height: 8px;
  background: var(--asf-primary);
  border-radius: 50%;
}

/* 番号付きリスト */
.article-preview ol {
  margin: 1rem 0;
  padding-left: 0;
  list-style: none;
  counter-reset: ol-counter;
}

.article-preview ol li {
  position: relative;
  padding: 0.5rem 0 0.5rem 2.5rem;
  margin-bottom: 0.25rem;
  counter-increment: ol-counter;
}

.article-preview ol li::before {
  content: counter(ol-counter);
  position: absolute;
  left: 0;
  top: 0.4rem;
  width: 1.75rem;
  height: 1.75rem;
  background: var(--asf-primary);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* チェックリスト */
.article-preview ul.checklist li::before {
  content: "✓";
  background: var(--asf-success);
  color: #fff;
  width: 1.25rem;
  height: 1.25rem;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  top: 0.6rem;
  left: 0;
}

/* ==========================================================================
    ボックス・囲み
    ========================================================================== */

/* 基本ボックス */
.article-preview .box,
.article-preview .asf-box {
  margin: 1.25rem 0;
  padding: 1.25rem;
  background: var(--asf-gray-50);
  border-radius: var(--asf-radius-lg);
  border: 1px solid var(--asf-gray-200);
}

/* ポイントボックス */
.article-preview .box-point,
.article-preview .asf-box-point {
  margin: 1.25rem 0;
  padding: 1.25rem 1.25rem 1.25rem 3.5rem;
  background: linear-gradient(135deg, #fef3c7 0%, #fef9c3 100%);
  border-radius: var(--asf-radius-lg);
  border: 1px solid #fcd34d;
  position: relative;
}

.article-preview .box-point::before,
.article-preview .asf-box-point::before {
  content: "💡";
  position: absolute;
  left: 1rem;
  top: 1.25rem;
  font-size: 1.25rem;
}

/* 注意ボックス */
.article-preview .box-warning,
.article-preview .asf-box-warning {
  margin: 1.25rem 0;
  padding: 1.25rem 1.25rem 1.25rem 3.5rem;
  background: linear-gradient(135deg, #fee2e2 0%, #fef2f2 100%);
  border-radius: var(--asf-radius-lg);
  border: 1px solid #fca5a5;
  position: relative;
}

.article-preview .box-warning::before,
.article-preview .asf-box-warning::before {
  content: "⚠️";
  position: absolute;
  left: 1rem;
  top: 1.25rem;
  font-size: 1.25rem;
}

/* 情報ボックス */
.article-preview .box-info,
.article-preview .asf-box-info {
  margin: 1.25rem 0;
  padding: 1.25rem 1.25rem 1.25rem 3.5rem;
  background: linear-gradient(135deg, #dbeafe 0%, #eff6ff 100%);
  border-radius: var(--asf-radius-lg);
  border: 1px solid #93c5fd;
  position: relative;
}

.article-preview .box-info::before,
.article-preview .asf-box-info::before {
  content: "ℹ️";
  position: absolute;
  left: 1rem;
  top: 1.25rem;
  font-size: 1.25rem;
}

/* 成功・OKボックス */
.article-preview .box-success,
.article-preview .asf-box-success {
  margin: 1.25rem 0;
  padding: 1.25rem 1.25rem 1.25rem 3.5rem;
  background: linear-gradient(135deg, #d1fae5 0%, #ecfdf5 100%);
  border-radius: var(--asf-radius-lg);
  border: 1px solid #6ee7b7;
  position: relative;
}

.article-preview .box-success::before,
.article-preview .asf-box-success::before {
  content: "✅";
  position: absolute;
  left: 1rem;
  top: 1.25rem;
  font-size: 1.25rem;
}

/* タイトル付きボックス */
.article-preview .box-title {
  margin: 1.25rem 0;
  border-radius: var(--asf-radius-lg);
  overflow: hidden;
  box-shadow: var(--asf-shadow);
}

.article-preview .box-title-header {
  background: var(--asf-primary);
  color: #fff;
  padding: 0.75rem 1.25rem;
  font-weight: 700;
  font-size: 1rem;
}

.article-preview .box-title-content {
  background: #fff;
  padding: 1.25rem;
  border: 1px solid var(--asf-gray-200);
  border-top: none;
}

/* シンプル囲み */
.article-preview .simple-box {
  margin: 1.25rem 0;
  padding: 1rem;
  border: 2px solid var(--asf-gray-300);
  border-radius: var(--asf-radius);
}

.article-preview .simple-box.blue {
  border-color: var(--asf-primary);
  background: #eff6ff;
}

.article-preview .simple-box.green {
  border-color: var(--asf-success);
  background: #ecfdf5;
}

.article-preview .simple-box.orange {
  border-color: var(--asf-warning);
  background: #fffbeb;
}

/* ==========================================================================
    引用・ブロッククォート
    ========================================================================== */
.article-preview blockquote {
  margin: 1.25rem 0;
  padding: 1.25rem 1.25rem 1.25rem 3.5rem;
  background: var(--asf-gray-50);
  border-left: 4px solid var(--asf-gray-400);
  border-radius: 0 var(--asf-radius) var(--asf-radius) 0;
  position: relative;
  font-style: italic;
  color: var(--asf-gray-500);
}

.article-preview blockquote::before {
  content: """;
  position: absolute;
  left: 1rem;
  top: 0.5rem;
  font-size: 3rem;
  color: var(--asf-gray-300);
  font-family: Georgia, serif;
  line-height: 1;
}

.article-preview blockquote cite {
  display: block;
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--asf-gray-500);
  font-style: normal;
}

.article-preview blockquote cite::before {
  content: "— ";
}

/* ==========================================================================
    テーブル
    ========================================================================== */
.article-preview table {
  width: 100%;
  margin: 1.25rem 0;
  border-collapse: collapse;
  border-radius: var(--asf-radius);
  overflow: hidden;
  box-shadow: var(--asf-shadow);
}

.article-preview table th {
  background: var(--asf-primary);
  color: #fff;
  font-weight: 700;
  padding: 0.875rem 1rem;
  text-align: left;
}

.article-preview table td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--asf-gray-200);
  background: #fff;
}

.article-preview table tr:last-child td {
  border-bottom: none;
}

.article-preview table tr:nth-child(even) td {
  background: var(--asf-gray-50);
}

/* 比較表 */
.article-preview table.comparison th:first-child,
.article-preview table.comparison td:first-child {
  background: var(--asf-gray-100);
  font-weight: 600;
  color: var(--asf-gray-700);
}

/* ==========================================================================
    画像・メディア
    ========================================================================== */
.article-preview img {
  max-width: 100%;
  height: auto;
  border-radius: var(--asf-radius);
}

.article-preview figure {
  margin: 1.25rem 0;
}

.article-preview figure img {
  box-shadow: var(--asf-shadow-md);
}

.article-preview figcaption {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: var(--asf-gray-500);
  text-align: center;
}

/* 画像の枠線 */
.article-preview img.border,
.article-preview .img-border img {
  border: 1px solid var(--asf-gray-200);
}

/* 画像2カラム */
.article-preview .img-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 1.25rem 0;
}

/* ==========================================================================
    ボタン・リンク
    ========================================================================== */
.article-preview a {
  color: var(--asf-primary);
  text-decoration: underline;
  text-decoration-color: var(--asf-primary);
  text-underline-offset: 2px;
  transition: all 0.2s ease;
}

.article-preview a:hover {
  color: var(--asf-primary-dark);
  text-decoration-color: var(--asf-primary-dark);
}

/* ボタンリンク */
.article-preview .btn,
.article-preview a.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  background: var(--asf-primary);
  color: #fff !important;
  text-decoration: none !important;
  border-radius: 50px;
  font-weight: 700;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: var(--asf-shadow);
}

.article-preview .btn:hover,
.article-preview a.btn:hover {
  background: var(--asf-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--asf-shadow-lg);
}

.article-preview .btn-green {
  background: var(--asf-success);
}

.article-preview .btn-green:hover {
  background: #059669;
}

.article-preview .btn-orange {
  background: var(--asf-warning);
}

.article-preview .btn-orange:hover {
  background: #d97706;
}

/* ブロックボタン */
.article-preview .btn-block {
  display: block;
  width: 100%;
  max-width: 400px;
  margin: 1.25rem auto;
}

/* アフィリエイトリンクボタン */
.article-preview .affiliate-btn {
  display: block;
  margin: 1.25rem auto;
  padding: 1rem 1.5rem;
  max-width: 500px;
  background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
  color: #fff !important;
  text-decoration: none !important;
  border-radius: var(--asf-radius);
  font-weight: 700;
  font-size: 1.125rem;
  text-align: center;
  box-shadow: 0 4px 14px rgba(249, 115, 22, 0.4);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.article-preview .affiliate-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.article-preview .affiliate-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(249, 115, 22, 0.5);
}

.article-preview .affiliate-btn:hover::before {
  left: 100%;
}

/* ==========================================================================
    メリット・デメリット
    ========================================================================== */
.article-preview .merit-demerit {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 1.25rem 0;
}

.article-preview .merit-box,
.article-preview .demerit-box {
  padding: 1rem;
  border-radius: var(--asf-radius-lg);
}

.article-preview .merit-box {
  background: linear-gradient(135deg, #d1fae5 0%, #ecfdf5 100%);
  border: 1px solid #6ee7b7;
}

.article-preview .demerit-box {
  background: linear-gradient(135deg, #fee2e2 0%, #fef2f2 100%);
  border: 1px solid #fca5a5;
}

.article-preview .merit-box-title,
.article-preview .demerit-box-title {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.article-preview .merit-box-title::before {
  content: "◎";
  color: var(--asf-success);
}

.article-preview .demerit-box-title::before {
  content: "△";
  color: var(--asf-danger);
}

.article-preview .merit-box ul,
.article-preview .demerit-box ul {
  margin: 0;
}

.article-preview .merit-box li::before {
  background: var(--asf-success);
}

.article-preview .demerit-box li::before {
  background: var(--asf-danger);
}

/* ==========================================================================
    ステップ・手順
    ========================================================================== */
.article-preview .steps {
  margin: 1.25rem 0;
  position: relative;
}

.article-preview .step-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  position: relative;
}

.article-preview .step-item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 1.25rem;
  top: 3rem;
  width: 2px;
  height: calc(100% - 1rem);
  background: var(--asf-gray-200);
}

.article-preview .step-number {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--asf-primary);
  color: #fff;
  font-weight: 700;
  font-size: 1.125rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.article-preview .step-content {
  flex: 1;
  padding-top: 0.25rem;
}

.article-preview .step-title {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--asf-gray-900);
  margin-bottom: 0.5rem;
}

.article-preview .step-desc {
  color: var(--asf-gray-500);
}

/* ==========================================================================
    FAQ・Q&A
    ========================================================================== */
.article-preview .faq-item {
  margin: 1rem 0;
  border-radius: var(--asf-radius-lg);
  overflow: hidden;
  box-shadow: var(--asf-shadow);
}

.article-preview .faq-question {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--asf-primary);
  color: #fff;
  font-weight: 700;
}

.article-preview .faq-question::before {
  content: "Q";
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  background: #fff;
  color: var(--asf-primary);
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.article-preview .faq-answer {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
  background: #fff;
  border: 1px solid var(--asf-gray-200);
  border-top: none;
}

.article-preview .faq-answer::before {
  content: "A";
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  background: var(--asf-danger);
  color: #fff;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
    吹き出し・会話
    ========================================================================== */
.article-preview .balloon {
  display: flex;
  gap: 0.75rem;
  margin: 1.25rem 0;
}

.article-preview .balloon-left {
  flex-direction: row;
}

.article-preview .balloon-right {
  flex-direction: row-reverse;
}

.article-preview .balloon-avatar {
  flex-shrink: 0;
  width: 60px;
  text-align: center;
}

.article-preview .balloon-avatar img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.article-preview .balloon-avatar-name {
  font-size: 0.75rem;
  color: var(--asf-gray-500);
  margin-top: 0.25rem;
}

.article-preview .balloon-text {
  position: relative;
  padding: 1rem 1.25rem;
  background: var(--asf-gray-100);
  border-radius: var(--asf-radius-lg);
  max-width: 80%;
}

.article-preview .balloon-left .balloon-text::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 1.25rem;
  border: 8px solid transparent;
  border-right-color: var(--asf-gray-100);
  border-left: none;
}

.article-preview .balloon-right .balloon-text {
  background: var(--asf-primary);
  color: #fff;
}

.article-preview .balloon-right .balloon-text::before {
  content: "";
  position: absolute;
  right: -8px;
  top: 1.25rem;
  border: 8px solid transparent;
  border-left-color: var(--asf-primary);
  border-right: none;
}

/* ==========================================================================
    評価・レーティング
    ========================================================================== */
.article-preview .rating-box {
  margin: 1.25rem 0;
  padding: 1.25rem;
  background: #fff;
  border-radius: var(--asf-radius-lg);
  box-shadow: var(--asf-shadow-md);
}

.article-preview .rating-title {
  font-weight: 700;
  font-size: 1.125rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--asf-gray-200);
}

.article-preview .rating-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.article-preview .rating-label {
  width: 120px;
  font-weight: 600;
  color: var(--asf-gray-700);
}

.article-preview .rating-bar {
  flex: 1;
  height: 12px;
  background: var(--asf-gray-200);
  border-radius: 6px;
  overflow: hidden;
}

.article-preview .rating-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--asf-primary) 0%, var(--asf-secondary) 100%);
  border-radius: 6px;
  transition: width 0.5s ease;
}

.article-preview .rating-score {
  width: 50px;
  text-align: right;
  font-weight: 700;
  color: var(--asf-primary);
}

/* 星評価 */
.article-preview .stars {
  color: #fbbf24;
  font-size: 1.25rem;
  letter-spacing: 2px;
}

.article-preview .stars-empty {
  color: var(--asf-gray-300);
}

/* ==========================================================================
    関連記事・カード
    ========================================================================== */
.article-preview .related-box {
  margin: 1.25rem 0;
  padding: 1rem;
  background: var(--asf-gray-50);
  border-radius: var(--asf-radius-lg);
  border: 1px solid var(--asf-gray-200);
}

.article-preview .related-box-title {
  font-size: 0.875rem;
  color: var(--asf-gray-500);
  margin-bottom: 0.75rem;
}

.article-preview .related-box a {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: var(--asf-gray-900);
  font-weight: 600;
}

.article-preview .related-box a:hover {
  color: var(--asf-primary);
}

.article-preview .related-box img {
  width: 100px;
  height: 60px;
  object-fit: cover;
  border-radius: var(--asf-radius);
}

/* ==========================================================================
    目次
    ========================================================================== */
.article-preview .toc {
  margin: 1.25rem 0;
  padding: 1.25rem;
  background: var(--asf-gray-50);
  border-radius: var(--asf-radius-lg);
  border: 1px solid var(--asf-gray-200);
}

.article-preview .toc-title {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--asf-gray-300);
  text-align: center;
}

.article-preview .toc ol {
  margin: 0;
  padding-left: 1.5rem;
  list-style: decimal;
}

.article-preview .toc ol li {
  padding: 0.25rem 0;
}

.article-preview .toc ol li::before {
  display: none;
}

.article-preview .toc a {
  text-decoration: none;
  color: var(--asf-gray-700);
}

.article-preview .toc a:hover {
  color: var(--asf-primary);
}

/* ==========================================================================
    コード・プログラム
    ========================================================================== */
.article-preview code {
  padding: 0.2em 0.4em;
  background: var(--asf-gray-100);
  border-radius: 4px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.875em;
  color: var(--asf-danger);
}

.article-preview pre {
  margin: 1.25rem 0;
  padding: 1rem;
  background: #1e293b;
  border-radius: var(--asf-radius);
  overflow-x: auto;
}

.article-preview pre code {
  padding: 0;
  background: none;
  color: #e2e8f0;
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ==========================================================================
    区切り線・スペーサー
    ========================================================================== */
.article-preview hr {
  margin: 2rem 0;
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--asf-gray-300), transparent);
}

.article-preview .spacer {
  height: 1.5rem;
}

.article-preview .spacer-lg {
  height: 2.5rem;
}

/* ==========================================================================
    レスポンシブ対応
    ========================================================================== */
@media (max-width: 768px) {
  .article-preview {
    font-size: 15px;
  }

  .article-preview h2 {
    font-size: 1.25rem;
    margin: 1.5rem 0 0.75rem;
  }

  .article-preview h3 {
    font-size: 1.125rem;
    margin: 1.25rem 0 0.5rem;
  }

  .article-preview .box-point,
  .article-preview .box-warning,
  .article-preview .box-info,
  .article-preview .box-success,
  .article-preview .asf-box-point,
  .article-preview .asf-box-warning,
  .article-preview .asf-box-info,
  .article-preview .asf-box-success {
    padding-left: 3rem;
  }

  .article-preview .box-point::before,
  .article-preview .box-warning::before,
  .article-preview .box-info::before,
  .article-preview .box-success::before,
  .article-preview .asf-box-point::before,
  .article-preview .asf-box-warning::before,
  .article-preview .asf-box-info::before,
  .article-preview .asf-box-success::before {
    left: 0.75rem;
    font-size: 1.25rem;
  }

  .article-preview .img-2col {
    grid-template-columns: 1fr;
  }

  .article-preview .merit-demerit {
    grid-template-columns: 1fr;
  }

  .article-preview .balloon-avatar {
    width: 50px;
  }

  .article-preview .balloon-avatar img {
    width: 50px;
    height: 50px;
  }

  .article-preview .balloon-text {
    max-width: calc(100% - 70px);
  }

  .article-preview .faq-question,
  .article-preview .faq-answer {
    padding: 1rem;
    gap: 0.75rem;
  }

  .article-preview .faq-question::before,
  .article-preview .faq-answer::before {
    width: 1.5rem;
    height: 1.5rem;
    font-size: 0.875rem;
  }

  .article-preview .rating-item {
    flex-wrap: wrap;
  }

  .article-preview .rating-label {
    width: 100%;
  }

  .article-preview .rating-bar {
    order: 1;
  }
}

/* ユーティリティ */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}