/* ==========================================================================
   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;
}
.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: 1px solid var(--line);
}
.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  line-height: 1.9;
}
.toc-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
}
.toc-list li::before {
  content: "・";
  position: absolute;
  left: 0;
  color: var(--muted);
}
.toc-list a {
  color: #333;
  transition: color .2s;
}
.toc-list a:hover {
  color: var(--ink);
  text-decoration: underline;
}
.toc-list ul {
  list-style: none;
  padding-left: 16px;
  margin-top: 4px;
  font-size: 12px;
}

/* 記事本文スタイル */
.article-body {
  font-size: 15px;
  line-height: 2.15;
  color: #222;
  word-break: break-word;
}
.article-body h2 {
  font-size: clamp(20px, 2.4vw, 26px);
  margin: 60px 0 24px;
  padding: 16px 20px;
  background-color: var(--white);
  border-left: 5px solid var(--ink);
  border-bottom: 1px solid var(--line);
  line-height: 1.5;
  letter-spacing: .04em;
}
.article-body 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 {
  font-size: 16px;
  margin: 30px 0 12px;
  font-weight: 700;
}
.article-body p {
  margin-bottom: 26px;
}
.article-body ul, .article-body ol {
  margin: 0 0 28px 0;
  padding-left: 24px;
}
.article-body 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;
}
.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;
}

/* 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;
}
.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;
}
@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 #06c755;
  border-radius: 4px;
  padding: 30px 28px;
  margin: 44px 0;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}
.mid-cta-badge {
  display: inline-block;
  background: #eef7f0;
  color: #0d803b;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
  margin-bottom: 12px;
}
.mid-cta-title {
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
}
.mid-cta-text {
  font-size: 14px;
  line-height: 1.8;
  color: #4a4a48;
  max-width: 560px;
  margin: 0 auto 20px;
}
.mid-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #06c755;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  padding: 14px 28px;
  border-radius: 4px;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.2s;
  box-shadow: 0 4px 12px rgba(6, 199, 85, 0.3);
}
.mid-cta-btn:hover {
  opacity: 0.92;
  transform: translateY(-2px);
}
@media (max-width: 600px) {
  .article-mid-cta {
    padding: 22px 16px;
    margin: 36px 0;
  }
  .mid-cta-btn {
    width: 100%;
    box-sizing: border-box;
    padding: 13px 16px;
    font-size: 13.5px;
  }
}

/* 3. スマホ画面下部 固定フローティングバー */
.floating-cta-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.96);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.08);
  padding: 10px 14px;
  padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
  z-index: 850;
  transform: translateY(110%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  opacity: 0;
}
.floating-cta-bar.is-visible {
  transform: translateY(0);
  opacity: 1;
}
.floating-cta-inner {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
}
.floating-btn-tel {
  flex: 0 0 32%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: var(--white);
  color: var(--ink);
  border: 1.5px solid var(--line);
  font-size: 12px;
  font-weight: 700;
  padding: 11px 8px;
  border-radius: 4px;
  text-decoration: none;
  transition: background-color 0.2s;
  box-sizing: border-box;
}
.floating-btn-tel:hover {
  background: var(--soft);
}
.floating-btn-line {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #06c755;
  color: #fff;
  font-size: 13.5px;
  font-weight: 700;
  padding: 11px 12px;
  border-radius: 4px;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(6, 199, 85, 0.3);
  transition: opacity 0.2s;
  box-sizing: border-box;
}
.floating-btn-line:hover {
  opacity: 0.9;
}
.floating-btn-icon {
  font-size: 15px;
  line-height: 1;
}

@media (max-width: 800px) {
  .floating-cta-bar {
    display: block;
  }
}