/* ==========================================================================
   夕昊工務店 - コラム・記事ページ専用スタイルシート (column.css)
   ========================================================================== */

/* コラム共通レイアウト */
.column-page {
  padding-top: 92px;
  background-color: var(--paper);
}

@media (max-width: 800px) {
  .column-page {
    padding-top: 60px;
  }
}

/* パンくずリスト */
.breadcrumb-wrap {
  background-color: var(--soft);
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
  font-size: 11px;
}
.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--muted);
}
.breadcrumb-list li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.breadcrumb-list li:not(:last-child)::after {
  content: "›";
  color: #a0a09c;
}
.breadcrumb-list a {
  color: var(--ink);
  transition: opacity .2s;
}
.breadcrumb-list a:hover {
  opacity: .6;
  text-decoration: underline;
}

/* 記事ヘッダー */
.article-header {
  padding: 50px 0 35px;
  border-bottom: 1px solid var(--line);
  background-color: var(--white);
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
  font-size: 11px;
}
.category-badge {
  display: inline-block;
  padding: 3px 10px;
  background-color: var(--ink);
  color: var(--white);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .06em;
  border-radius: 2px;
}
.category-badge.badge-toilet { background-color: #2b3a4a; }
.category-badge.badge-bath { background-color: #314d48; }
.category-badge.badge-kitchen { background-color: #4a382b; }
.category-badge.badge-package { background-color: #3d3b4a; }
.category-badge.badge-guide { background-color: #473f2e; }

.article-date {
  color: var(--muted);
  font-family: Arial, sans-serif;
}
.article-title {
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.45;
  letter-spacing: .04em;
  font-weight: 700;
  margin-bottom: 24px;
}
.article-lead {
  font-size: 15px;
  line-height: 2.1;
  color: #3a3a38;
  background-color: var(--paper);
  padding: 22px 26px;
  border-left: 3px solid var(--ink);
  border-radius: 0 4px 4px 0;
}

/* 記事ヘッダー内の要点ボックス（SEO/AIO最適化） */
.article-summary-box {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--ink);
  border-radius: 4px;
  padding: 22px 26px;
  margin-top: 20px;
}
.article-summary-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.article-summary-title::before {
  content: "POINT";
  background: var(--ink);
  color: var(--white);
  font-size: 9px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 2px;
  font-family: Arial, sans-serif;
  letter-spacing: .1em;
}
.article-summary-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.article-summary-list li {
  font-size: 14px;
  line-height: 1.7;
  color: #3a3a38;
  position: relative;
  padding-left: 22px;
}
.article-summary-list li::before {
  content: "✔";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--ink);
  font-weight: 700;
  font-size: 12px;
}
.article-summary-list li strong {
  color: var(--ink);
  font-weight: 700;
}

/* 公的根拠・出典リンクボックス（E-E-A-T強化） */
.official-reference-box {
  background-color: #f7f8f9;
  border: 1px solid #dcdfe3;
  border-left: 4px solid #3d5a80;
  border-radius: 4px;
  padding: 16px 20px;
  margin: 25px 0;
  font-size: 13.5px;
  line-height: 1.75;
}
.official-reference-box .ref-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  color: #3d5a80;
  letter-spacing: .05em;
  margin-bottom: 8px;
}
.official-reference-box .ref-label::before {
  content: "🏛️";
  font-size: 12px;
}
.official-reference-box p {
  margin: 0;
  color: #4a5568;
}
.official-reference-box a {
  color: #1d4ed8;
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 600;
  transition: opacity .2s;
}
.official-reference-box a:hover {
  opacity: .8;
}

/* 記事メインレイアウト（2カラム：記事本体＋目次/サイドバー） */
.article-container {
  display: grid;
  grid-template-columns: minmax(0, 780px) 300px;
  gap: 50px;
  align-items: start;
  padding: 60px 0 100px;
}
@media (max-width: 1024px) {
  .article-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* 目次 (Table of Contents) */
.article-toc {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 24px 28px;
  border-radius: 4px;
  margin-bottom: 45px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}
.toc-title,
.article-toc-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
  color: var(--ink);
}
.toc-title-inner {
  display: flex;
  align-items: center;
  gap: 8px;
}
.toc-toggle-btn {
  display: none;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 4px 10px;
  border-radius: 14px;
  cursor: pointer;
  transition: all .2s ease;
}
.toc-toggle-btn:hover {
  background: var(--soft);
  color: var(--ink);
}
.toc-list,
.article-toc ol,
.article-toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13.5px;
  line-height: 1.8;
}
/* PC大画面（801px以上）では目次を2列グリッドにして縦長化を防止 */
@media (min-width: 801px) {
  .toc-list,
  .article-toc ol,
  .article-toc ul {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 24px;
    align-items: start;
  }
}
.toc-list li,
.article-toc ol > li,
.article-toc ul > li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 0;
  font-size: 13px;
  line-height: 1.6;
}
.toc-list li::before,
.article-toc ol > li::before,
.article-toc ul > li::before {
  content: "・";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--muted);
  font-weight: 700;
}
.toc-list a,
.article-toc ol a,
.article-toc ul a {
  color: #333;
  display: block;
  transition: color .2s, transform .2s;
}
.toc-list a:hover,
.article-toc ol a:hover,
.article-toc ul a:hover {
  color: var(--ink);
  text-decoration: underline;
  transform: translateX(2px);
}
.toc-list ul,
.article-toc ol ul,
.article-toc ul ul {
  list-style: none;
  padding-left: 16px;
  margin-top: 6px;
  font-size: 12px;
  grid-column: 1 / -1;
}

/* 記事本文スタイル */
.article-body,
.article-content {
  font-size: 15px;
  line-height: 2.15;
  color: #222;
  word-break: break-word;
}
.article-body h2,
.article-content h2 {
  font-size: clamp(20px, 2.3vw, 25px);
  font-weight: 700;
  margin: 64px 0 24px;
  padding: 16px 22px;
  background-color: var(--white);
  border-left: 6px solid var(--ink);
  border-bottom: 1px solid var(--line);
  border-radius: 0 4px 4px 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.025);
  line-height: 1.5;
  letter-spacing: .03em;
  color: var(--ink);
}
.article-body h3,
.article-content h3 {
  font-size: clamp(17px, 1.9vw, 21px);
  margin: 40px 0 18px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--line);
  line-height: 1.55;
  letter-spacing: .03em;
}
.article-body h4,
.article-content h4 {
  font-size: 16px;
  margin: 32px 0 14px;
  font-weight: 700;
  padding-left: 12px;
  border-left: 3px solid var(--ink);
  line-height: 1.5;
  color: var(--ink);
}
.article-body p,
.article-content p {
  margin-bottom: 26px;
  line-height: 2.05;
}
.article-body ul, .article-body ol,
.article-content ul, .article-content ol {
  margin: 0 0 28px 0;
  padding-left: 24px;
}
.article-body li,
.article-content li {
  margin-bottom: 10px;
  line-height: 1.95;
}

/* 枠組み・ボックス装飾 */
.point-box {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-top: 4px solid var(--ink);
  padding: 24px 28px;
  margin: 35px 0;
  border-radius: 0 0 4px 4px;
}
.point-box-title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.point-box-title::before {
  content: "POINT";
  display: inline-block;
  background: var(--ink);
  color: var(--white);
  font-size: 9px;
  padding: 2px 6px;
  border-radius: 2px;
  font-family: Arial, sans-serif;
  letter-spacing: .1em;
}

/* プロのワンポイント・職人の声 */
.expert-voice {
  background-color: #f1f1eb;
  border-left: 4px solid #5a5a54;
  padding: 22px 24px;
  margin: 35px 0;
  position: relative;
}
.expert-voice-title {
  font-size: 13px;
  font-weight: 700;
  color: #333;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* テーブル（比較表） */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 35px 0;
  -webkit-overflow-scrolling: touch;
  position: relative;
}
.article-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  font-size: 13px;
  text-align: left;
}
.article-table th, .article-table td {
  padding: 14px 18px;
  border: 1px solid var(--line);
  line-height: 1.7;
}
.article-table th {
  background-color: #ebebe7;
  font-weight: 700;
  color: #222;
  white-space: nowrap;
}
.article-table tr:nth-child(even) td {
  background-color: #fafaf8;
}
/* 合計金額行（.table-total）スタイル */
.article-table tr.table-total td,
.article-table tr.table-total th {
  background-color: #f2f2ee;
  font-weight: 700;
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  color: var(--ink);
}

/* メリット・デメリット対比グリッド */
.pros-cons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 35px 0;
}
@media (max-width: 650px) {
  .pros-cons-grid {
    grid-template-columns: 1fr;
  }
}
.pros-box, .cons-box {
  background: var(--white);
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 4px;
}
.pros-box { border-top: 3px solid #2d6a4f; }
.cons-box { border-top: 3px solid #b7094c; }
.pros-title { color: #2d6a4f; font-weight: 700; font-size: 14px; margin-bottom: 12px; }
.cons-title { color: #b7094c; font-weight: 700; font-size: 14px; margin-bottom: 12px; }

/* 記事下部 監修者・著者情報 */
.author-profile {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 28px;
  margin: 60px 0 40px;
  display: flex;
  gap: 24px;
  align-items: center;
}
@media (max-width: 600px) {
  .author-profile {
    flex-direction: column;
    text-align: center;
  }
}
.author-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: #222;
  color: var(--white);
  display: grid;
  place-items: center;
  font-size: 24px;
  font-weight: 700;
  flex-shrink: 0;
}
.author-info h4 {
  font-size: 15px;
  margin: 0 0 6px;
}
.author-role {
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 10px;
}
.author-bio {
  font-size: 12px;
  line-height: 1.8;
  color: #555;
  margin: 0;
}

/* 記事下部 CTAボックス */
.article-cta-box {
  background: var(--ink);
  color: var(--white);
  padding: 40px 36px;
  margin: 50px 0;
  text-align: center;
  border-radius: 4px;
}
.article-cta-box h3 {
  font-size: clamp(18px, 2.3vw, 24px);
  margin-bottom: 14px;
  color: var(--white);
  border: none;
  padding: 0;
}
.article-cta-box p {
  font-size: 13px;
  line-height: 2;
  color: #ccc;
  max-width: 600px;
  margin: 0 auto 28px;
}
.article-cta-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}
.cta-btn-line {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #06c755;
  color: #fff;
  padding: 15px 30px;
  font-weight: 700;
  font-size: 14px;
  border-radius: 4px;
  transition: opacity .2s, transform .2s;
}
.cta-btn-line:hover {
  opacity: .9;
  transform: translateY(-2px);
}
.cta-btn-phone {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--white);
  color: var(--ink);
  padding: 15px 30px;
  font-weight: 700;
  font-size: 14px;
  border-radius: 4px;
  transition: opacity .2s, transform .2s;
}
.cta-btn-phone:hover {
  opacity: .9;
  transform: translateY(-2px);
}

/* サイドバー */
.article-sidebar {
  position: sticky;
  top: 110px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}
.article-sidebar::-webkit-scrollbar {
  width: 4px;
}
.article-sidebar::-webkit-scrollbar-track {
  background: transparent;
}
.article-sidebar::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 4px;
}

/* PCサイドバー常設CTAカード */
.sidebar-cta-card {
  background: var(--ink);
  color: var(--white);
  padding: 24px 20px;
  margin-bottom: 24px;
  border-radius: 4px;
  text-align: center;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.08);
}
.sidebar-cta-badge {
  display: inline-block;
  background: #06c755;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 2px;
  letter-spacing: .08em;
  margin-bottom: 12px;
}
.sidebar-cta-title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  color: #fff;
}
.sidebar-cta-desc {
  font-size: 11.5px;
  line-height: 1.7;
  color: #ccc;
  margin-bottom: 16px;
  text-align: left;
}
.sidebar-cta-btn-line {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #06c755;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 12px 14px;
  border-radius: 4px;
  text-decoration: none;
  margin-bottom: 10px;
  box-shadow: 0 2px 8px rgba(6, 199, 85, 0.3);
  transition: opacity .2s, transform .2s;
}
.sidebar-cta-btn-line:hover {
  opacity: .92;
  transform: translateY(-2px);
}
.sidebar-cta-btn-tel {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  font-size: 12px;
  font-weight: 700;
  padding: 10px 14px;
  border-radius: 4px;
  text-decoration: none;
  transition: background-color .2s;
}
.sidebar-cta-btn-tel:hover {
  background: rgba(255, 255, 255, 0.2);
}
.sidebar-cta-btn-tel strong {
  font-family: Arial, sans-serif;
  font-size: 13px;
  letter-spacing: .05em;
}
.sidebar-cta-note {
  font-size: 10px;
  color: #999;
  margin-top: 10px;
  margin-bottom: 0;
  line-height: 1.5;
}

.sidebar-widget {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 24px;
  margin-bottom: 24px;
}
.sidebar-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.sidebar-links {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 12px;
  line-height: 1.8;
}
.sidebar-links li {
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
}
.sidebar-links li:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}
.sidebar-links a {
  color: #333;
  display: block;
  transition: color .2s;
}
.sidebar-links a:hover {
  color: var(--ink);
  text-decoration: underline;
}

/* コラム一覧ページ (index) 用スタイル */
.column-index-hero {
  padding: 70px 0 50px;
  background-color: var(--white);
  border-bottom: 1px solid var(--line);
  text-align: center;
}
.column-index-hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  margin-bottom: 16px;
  font-weight: 700;
  letter-spacing: .06em;
}
.column-index-hero p {
  font-size: 14px;
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto;
}

/* カテゴリナビゲーションバー */
.category-filter-nav {
  background: var(--soft);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 92px;
  z-index: 15;
}
.category-filter-nav .container {
  position: relative;
}
.category-filter-nav .container::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 36px;
  background: linear-gradient(to right, transparent, var(--soft));
  pointer-events: none;
}
@media (max-width: 800px) {
  .category-filter-nav {
    top: 60px;
  }
}
.category-filter-list {
  display: flex;
  overflow-x: auto;
  gap: 12px;
  padding: 14px 0;
  list-style: none;
  margin: 0;
  scrollbar-width: none;
}
.category-filter-list::-webkit-scrollbar {
  display: none;
}
.category-filter-link {
  display: inline-block;
  padding: 8px 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 30px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
  color: var(--ink);
  transition: all .2s;
}
.category-filter-link:hover, .category-filter-link.is-active {
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
}

/* 記事カードグリッド */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 30px;
  margin: 50px 0 80px;
}
@media (max-width: 600px) {
  .articles-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}
.article-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease;
}
.article-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(0,0,0,.06);
}
.article-card-header {
  padding: 22px 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.article-card-body {
  padding: 16px 24px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.article-card-title {
  font-size: 16px;
  line-height: 1.55;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--ink);
}
.article-card-excerpt {
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
  margin-bottom: 20px;
  flex: 1;
}
.article-card-footer {
  border-top: 1px solid #f0f0ee;
  padding-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: #888;
}
.article-card-more {
  font-weight: 700;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ピラーカード（特集枠） */
.pillar-card {
  grid-column: 1 / -1;
  background: #1e1e1e;
  color: var(--white);
  border: none;
}
.pillar-card .article-card-title {
  color: var(--white);
  font-size: clamp(19px, 2.5vw, 24px);
}
.pillar-card .article-card-excerpt {
  color: #bbb;
  font-size: 14px;
}
.pillar-card .article-card-more {
  color: #fff;
}
.pillar-badge {
  background: #c5a059;
  color: #fff;
  font-size: 10px;
  padding: 3px 8px;
  font-weight: 700;
  letter-spacing: .08em;
  border-radius: 2px;
}

/* ==========================================================================
   コラム離脱防止・LINE問い合わせ動線（フローティング・冒頭・中盤）
   ========================================================================== */

/* 1. 記事冒頭 クイック相談バー */
.article-quick-cta {
  background: #f4f8f5;
  border: 1px solid #d2e5d8;
  border-left: 4px solid #06c755;
  border-radius: 4px;
  padding: 16px 20px;
  margin: 28px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.quick-cta-content {
  flex: 1;
}
.quick-cta-badge {
  display: inline-block;
  background: #06c755;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 2px;
  margin-bottom: 6px;
}
.quick-cta-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}
.quick-cta-text {
  font-size: 13px;
  line-height: 1.6;
  color: #555;
  margin: 0;
}
.quick-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #06c755;
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  padding: 10px 18px;
  border-radius: 4px;
  white-space: nowrap;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.2s;
  box-shadow: 0 2px 6px rgba(6, 199, 85, 0.25);
}
.quick-cta-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}
@media (max-width: 600px) {
  .article-quick-cta {
    flex-direction: column;
    align-items: flex-start;
    padding: 14px 16px;
    gap: 12px;
  }
  .quick-cta-btn {
    width: 100%;
    justify-content: center;
    box-sizing: border-box;
    padding: 12px 16px;
  }
}

/* 2. 記事中盤 マイクロCTA（写真で概算見積もり） */
.article-mid-cta {
  background: #fdfdfc;
  border: 1px solid var(--line);
  border-top: 3px solid #1b263b;
  border-radius: 6px;
  padding: 30px 24px;
  margin: 44px 0;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}
.mid-cta-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.mid-cta-badge {
  display: inline-block;
  background: #eef2f6;
  color: #1b263b;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
}
.mid-cta-sub {
  font-size: 11px;
  color: #666;
  font-weight: 600;
}
.mid-cta-title {
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
  font-family: var(--serif);
}
.mid-cta-text {
  font-size: 13.5px;
  line-height: 1.8;
  color: #4a4a48;
  max-width: 620px;
  margin: 0 auto 20px;
}
.mid-cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.mid-cta-btn-tel {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #1b263b;
  color: #fff !important;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: 6px;
  text-decoration: none;
  box-shadow: 0 3px 10px rgba(27, 38, 59, 0.25);
  transition: background-color 0.2s, transform 0.2s;
  text-align: left;
}
.mid-cta-btn-tel:hover {
  background: #0d1b2a;
  transform: translateY(-2px);
}
.mid-cta-btn-tel-icon {
  font-size: 20px;
  line-height: 1;
}
.mid-cta-btn-tel-text {
  display: flex;
  flex-direction: column;
}
.mid-cta-btn-tel-sub {
  font-size: 10px;
  color: #cbd5e1;
  font-weight: 500;
}
.mid-cta-btn-tel-num {
  font-size: 16.5px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.04em;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
.mid-cta-btn-contact {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  color: var(--ink) !important;
  border: 1.5px solid var(--ink);
  font-weight: 700;
  font-size: 13.5px;
  padding: 13px 20px;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}
.mid-cta-btn-contact:hover {
  background: var(--ink);
  color: #fff !important;
}
.mid-cta-btn-line {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #06c755;
  color: #fff !important;
  font-weight: 700;
  font-size: 13.5px;
  padding: 13px 20px;
  border-radius: 6px;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.2s;
  box-shadow: 0 3px 10px rgba(6, 199, 85, 0.25);
}
.mid-cta-btn-line:hover {
  opacity: 0.92;
  transform: translateY(-2px);
}
.mid-cta-footer-note {
  font-size: 11px;
  color: #777;
  margin-top: 14px;
}
@media (max-width: 600px) {
  .article-mid-cta {
    padding: 22px 16px;
    margin: 36px 0;
  }
  .mid-cta-actions {
    flex-direction: column;
    width: 100%;
  }
  .mid-cta-btn-tel,
  .mid-cta-btn-contact,
  .mid-cta-btn-line {
    width: 100%;
    box-sizing: border-box;
    justify-content: center;
    text-align: center;
  }
}

/* 3. スマホ画面下部 固定CTAバー（styles.cssの .bottom-fixed-cta に完全統合） */

/* PC幅（サイドバーが右に並ぶ1025px以上）では、サイドバーの追従CTAカードと
   右下フローティングカードが同じ位置で重なるため、サイドバーCTAがあるページでは右下側を出さない */
@media (min-width: 1025px) {
  body.has-sidebar-cta .bottom-fixed-cta {
    display: none !important;
  }
}

/* ==========================================================================
   コラム共通：レイアウト互換・UI補強スタイル（表示崩れ防止）
   ========================================================================== */

/* 2カラムレイアウト（PC: メイン780px + サイドバー300px, SP: 1カラム縦並び） */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 780px) 300px;
  gap: 50px;
  align-items: start;
  padding: 50px 0 80px;
}
@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 35px 0 60px;
  }
}

.article-content {
  min-width: 0;
  width: 100%;
}


/* 目次タイトル互換 */
.article-toc-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
  color: var(--ink);
}

/* FAQアコーディオン（.faq-list および .faq-container 両対応） */
.faq-list,
.faq-container {
  margin: 28px 0 45px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-list details,
.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
}
.faq-list details[open],
.faq-item[open] {
  border-color: #b0b0a8;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}
.faq-list summary,
.faq-question {
  padding: 16px 20px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.55;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  list-style: none;
  background: #fafaf8;
  color: var(--ink);
  user-select: none;
  transition: background-color .2s;
}
.faq-list summary:hover,
.faq-question:hover {
  background: #f4f4f0;
}
.faq-list summary::-webkit-details-marker,
.faq-question::-webkit-details-marker {
  display: none;
}
/* Q. バッジ */
.faq-list summary span:first-child {
  color: var(--ink);
  font-weight: 700;
  font-family: Arial, sans-serif;
  margin-right: 4px;
  display: inline-block;
}
/* 開閉プラス・マイナスアイコン */
.faq-list summary b,
.faq-icon {
  font-size: 18px;
  font-weight: 400;
  color: #888;
  flex-shrink: 0;
  transition: transform .25s ease, color .2s;
  line-height: 1;
  font-family: Arial, sans-serif;
  margin-left: auto;
}
.faq-list details[open] summary b {
  transform: rotate(45deg);
  color: var(--ink);
}
.faq-item[open] .faq-icon {
  transform: rotate(45deg);
  color: var(--ink);
}
/* 回答テキスト */
.faq-list details > p,
.faq-answer {
  padding: 18px 20px;
  font-size: 14px;
  line-height: 1.9;
  color: #3a3a38;
  background: var(--white);
  border-top: 1px solid var(--line);
  margin: 0;
}
.faq-list details > p + p,
.faq-answer p + p {
  margin-top: 12px;
}

/* 記事内CTAブロック */
.article-cta {
  background: var(--ink);
  color: var(--white);
  padding: 42px 32px;
  margin: 50px 0 30px;
  text-align: center;
  border-radius: 6px;
}
.article-cta-title {
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 14px;
  border: none;
  padding: 0;
  letter-spacing: .04em;
}
.article-cta-text {
  font-size: 14px;
  line-height: 1.9;
  color: #ccc;
  max-width: 600px;
  margin: 0 auto 28px;
}
.article-cta-buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  color: var(--ink);
  padding: 14px 28px;
  font-weight: 700;
  font-size: 14px;
  border-radius: 4px;
  text-decoration: none;
  transition: opacity .2s, transform .2s;
  border: 1px solid var(--white);
}
.btn-primary:hover {
  opacity: .9;
  transform: translateY(-2px);
}
.btn-line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #06c755;
  color: #fff;
  padding: 14px 28px;
  font-weight: 700;
  font-size: 14px;
  border-radius: 4px;
  text-decoration: none;
  transition: opacity .2s, transform .2s;
}
.btn-line:hover {
  opacity: .9;
  transform: translateY(-2px);
}
.btn-tel {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #1b263b;
  color: var(--white) !important;
  border: 1px solid #334155;
  padding: 14px 28px;
  font-weight: 700;
  font-size: 14px;
  border-radius: 4px;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(27, 38, 59, 0.25);
  transition: opacity .2s, transform .2s, background-color .2s;
}
.btn-tel:hover {
  background: #0d1b2a;
  transform: translateY(-2px);
}
.btn-tel strong {
  font-size: 15.5px;
  letter-spacing: 0.03em;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* サイドバーリンク互換 */
.sidebar-link-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
}
.sidebar-link-list li {
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
}
.sidebar-link-list li:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}
.sidebar-link-list a {
  color: #333;
  display: block;
  text-decoration: none;
  transition: color .2s;
}
.sidebar-link-list a:hover {
  color: var(--ink);
  text-decoration: underline;
}
.sidebar-link-list a[aria-current="page"] {
  font-weight: 700;
  color: var(--ink);
  position: relative;
  padding-left: 14px;
}
.sidebar-link-list a[aria-current="page"]::before {
  content: "▶";
  position: absolute;
  left: 0;
  font-size: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink);
}

/* フッター補強 */
.footer-logo {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .08em;
  margin-bottom: 6px;
}
.footer-address {
  font-size: 11px;
  line-height: 1.7;
  color: #777;
  margin: 0;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
}
.footer-nav a {
  color: #555;
  font-size: 12px;
  text-decoration: none;
  transition: color .2s;
}
.footer-nav a:hover {
  color: var(--ink);
  text-decoration: underline;
}
.footer-bottom {
  display: flex;
  align-items: center;
  gap: 20px;
}
.copyright {
  font-size: 11px;
  color: #999;
  font-family: Arial, sans-serif;
  margin: 0;
}
@media (max-width: 1024px) {
  /* スマホ・タブレットで1カラムになった際、サイドバーの重複CTAを非表示にし、関連記事への回遊性を最大化 */
  .article-sidebar .sidebar-cta-card,
  .article-sidebar .sidebar-widget:last-child {
    display: none !important;
  }
  .article-sidebar {
    position: static;
    max-height: none;
    overflow: visible;
  }
}

@media (max-width: 800px) {
  /* パンくずリストを1行横スクロール化してファーストビューの縦幅を圧縮 */
  .breadcrumb-wrap {
    padding: 8px 0;
  }
  .breadcrumb-list {
    flex-wrap: nowrap;
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 2px;
  }
  .breadcrumb-list::-webkit-scrollbar {
    display: none;
  }

  /* 記事ヘッダー・リード文・要点ボックスのスマホ最適化 */
  .article-header {
    padding: 32px 0 24px;
  }
  .article-title {
    font-size: clamp(20px, 5.8vw, 26px);
    line-height: 1.4;
    margin-bottom: 16px;
  }
  .article-lead {
    font-size: 14px;
    line-height: 1.85;
    padding: 16px 18px;
    margin-bottom: 14px;
  }
  .article-summary-box {
    padding: 16px 18px;
    margin-top: 14px;
  }
  .article-summary-list li {
    font-size: 13px;
    line-height: 1.6;
    padding-left: 18px;
  }

  /* スマホ目次のコンパクト化＆開閉アコーディオン対応 */
  .article-toc {
    padding: 16px 18px;
    margin-bottom: 32px;
  }
  .toc-title,
  .article-toc-title {
    margin-bottom: 12px;
    padding-bottom: 8px;
    font-size: 13.5px;
  }
  .toc-toggle-btn {
    display: inline-flex;
  }
  .article-toc.is-collapsed .toc-list,
  .article-toc.is-collapsed ol,
  .article-toc.is-collapsed ul {
    display: none !important;
  }

  /* フッター調整 */
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    padding: 35px 0 45px;
  }
  .footer-bottom {
    width: 100%;
    justify-content: space-between;
  }
  .article-cta-buttons {
    flex-direction: column;
    width: 100%;
  }
  .btn-primary,
  .btn-line {
    width: 100%;
    box-sizing: border-box;
  }

  /* スマホでのテーブル横スクロール操作性と視認性の向上 */
  .table-responsive,
  .article-table {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 24px 0;
  }
  .table-responsive::before {
    content: "← 左右にスクロールできます →";
    display: block;
    font-size: 10.5px;
    color: var(--muted);
    text-align: right;
    margin-bottom: 6px;
    letter-spacing: .04em;
  }
  .article-table th,
  .article-table td {
    padding: 10px 12px;
    font-size: 12px;
    line-height: 1.55;
  }

  /* 見出しのスマホ最適化 */
  .article-body h2,
  .article-content h2 {
    margin: 42px 0 16px;
    padding: 12px 14px;
    font-size: 18px;
    border-left-width: 5px;
    line-height: 1.45;
  }
  .article-body h3,
  .article-content h3 {
    margin: 32px 0 14px;
    font-size: 16px;
  }

  /* 記事下部に落ちたサイドバー関連記事のタップ領域拡大（スマホ用UI） */
  .sidebar-widget {
    padding: 18px 16px;
    margin-bottom: 20px;
    border-radius: 4px;
  }
  .sidebar-links li,
  .sidebar-link-list li {
    margin-bottom: 8px;
    padding-bottom: 8px;
  }
  .sidebar-links a,
  .sidebar-link-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    background: #fafaf8;
    border-radius: 4px;
    border: 1px solid var(--line);
    font-size: 12.5px;
    line-height: 1.5;
    color: var(--ink);
  }
  .sidebar-links a::after,
  .sidebar-link-list a::after {
    content: "›";
    font-size: 14px;
    color: #999;
    margin-left: 8px;
    flex-shrink: 0;
  }
}

/* PC（801px以上）: コラムページでも右下フローティングCTA（電話・問い合わせ）を常駐表示 */
@media (min-width: 801px) {
  body.column-page {
    padding-bottom: 0;
  }
}

/* 記事本文アイキャッチ画像スタイル */
.article-eyecatch {
  margin: 28px 0;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}
.article-eyecatch img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.article-eyecatch figcaption {
  font-size: 11px;
  color: #777;
  padding: 8px 12px;
  background: var(--soft, #f7f7f5);
  text-align: center;
}

/* 記事内マイクロオファー（写真無料見積もり・概算診断）ボックス */
.article-micro-offer {
  background: #fbfbf9;
  border: 2px solid #06c755;
  border-radius: 8px;
  padding: 24px 22px;
  margin: 36px 0;
  box-shadow: 0 4px 18px rgba(6, 199, 85, 0.08);
}
.micro-offer-header {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.micro-offer-badge {
  background: #06c755;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  letter-spacing: .04em;
}
.micro-offer-subtitle {
  font-size: 12px;
  color: #666;
  font-weight: 600;
}
.micro-offer-title {
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  margin-bottom: 12px;
}
.micro-offer-desc {
  font-size: 13px;
  line-height: 1.85;
  color: #444;
  margin-bottom: 18px;
}
.micro-offer-points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-bottom: 18px;
  padding: 10px 14px;
  background: #fff;
  border: 1px dashed #d5d5d0;
  border-radius: 4px;
}
.micro-offer-point-item {
  font-size: 11.5px;
  color: var(--ink);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.micro-offer-point-item::before {
  content: "✔";
  color: #06c755;
  font-weight: 900;
}
.micro-offer-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.micro-offer-btn-line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #06c755;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  padding: 13px 24px;
  border-radius: 6px;
  text-decoration: none;
  box-shadow: 0 3px 10px rgba(6, 199, 85, 0.28);
  transition: opacity .2s, transform .2s;
  flex: 1 1 240px;
}
.micro-offer-btn-line:hover {
  opacity: .92;
  transform: translateY(-2px);
}
.micro-offer-btn-tel {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #1b263b;
  color: #fff !important;
  border: 1px solid #1b263b;
  font-size: 13.5px;
  font-weight: 700;
  padding: 13px 22px;
  border-radius: 6px;
  text-decoration: none;
  box-shadow: 0 3px 10px rgba(27, 38, 59, 0.2);
  transition: background-color .2s, transform .2s;
}
.micro-offer-btn-tel:hover {
  background-color: #0d1b2a;
  transform: translateY(-2px);
}
.micro-offer-btn-tel strong {
  font-size: 15px;
  letter-spacing: 0.03em;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
.micro-offer-note {
  font-size: 11px;
  color: #888;
  margin-top: 10px;
  margin-bottom: 0;
  line-height: 1.5;
}