/* ===================================
   LocalBiz コラム（オウンドメディア）
   一覧ページ・記事ページ共通スタイル
   styles.css を読み込んだ上で追加してください
   =================================== */

:root {
  --col-accent: #1c8a5a;
  --col-accent-soft: #e2f2ea;
  --col-blue: #2f6f9e;
  --col-amber: #b7791f;
  --col-ink: #1f2d26;
  --col-muted: #5a6b62;
  --col-faint: #849289;
  --col-line: #e3ece7;
  --col-line-strong: #d3e0d9;
  --col-panel: #ffffff;
  --col-ground: #f5f8f6;
  --col-measure: 42em;
  --col-maxw: 1120px;
}

.col-wrap {
  max-width: var(--col-maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 一覧ページ ヘッダー ===== */
.col-hero {
  background:
    radial-gradient(120% 120% at 100% 0%, var(--col-accent-soft) 0%, transparent 55%),
    var(--col-ground);
  border-bottom: 1px solid var(--col-line);
  padding: 56px 0 44px;
}
.col-hero .eyebrow {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--col-accent);
  font-weight: 700;
  margin-bottom: 14px;
}
.col-hero h1 {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.2;
  color: var(--col-ink);
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}
.col-hero p {
  color: var(--col-muted);
  font-size: 16px;
  max-width: 46em;
  margin: 0;
}

/* ===== カテゴリフィルタ ===== */
.col-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}
.col-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--col-line-strong);
  background: var(--col-panel);
  color: var(--col-muted);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}
.col-chip:hover {
  border-color: var(--col-accent);
  color: var(--col-accent);
}
.col-chip.is-active {
  background: var(--col-accent);
  border-color: var(--col-accent);
  color: #fff;
}

/* ===== 記事カードグリッド ===== */
.col-list-section {
  background: var(--col-ground);
  padding: 44px 0 72px;
  min-height: 50vh;
}
.col-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 8px;
}
@media (max-width: 900px) {
  .col-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .col-grid { grid-template-columns: 1fr; }
}

.col-card {
  display: flex;
  flex-direction: column;
  background: var(--col-panel);
  border: 1px solid var(--col-line);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.col-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(31, 45, 38, 0.1);
}
.col-card-thumb {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  overflow: hidden;
}
.col-card-thumb img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
.col-card-body {
  padding: 20px 20px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.col-card-cat {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--col-accent);
  margin-bottom: 10px;
}
.col-card h2 {
  font-size: 17px;
  line-height: 1.5;
  color: var(--col-ink);
  margin-bottom: 12px;
}
.col-card p {
  font-size: 13.5px;
  color: var(--col-muted);
  line-height: 1.7;
  margin: 0 0 18px;
}
.col-card-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--col-faint);
}
.col-card-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: currentColor; }

.col-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 999px;
}
.tag-bofu { background: rgba(28, 138, 90, 0.12); color: var(--col-accent); }
.tag-gyoshu { background: rgba(47, 111, 158, 0.12); color: var(--col-blue); }
.tag-mofu { background: rgba(183, 121, 31, 0.12); color: var(--col-amber); }

.col-empty {
  display: none;
  text-align: center;
  color: var(--col-muted);
  padding: 60px 0;
}

/* ===================================
   記事ページ
   =================================== */
.article-main {
  background: var(--col-ground);
  padding-bottom: 72px;
}

/* パンくず */
.breadcrumb {
  padding: 20px 0 0;
  font-size: 12.5px;
  color: var(--col-faint);
}
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.breadcrumb a { color: var(--col-muted); }
.breadcrumb a:hover { color: var(--col-accent); }
.breadcrumb .sep { color: var(--col-line-strong); }

/* 記事ヘッダー */
.article-head {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 24px 0;
}
.article-cat {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--col-accent);
  margin-bottom: 14px;
}
.article-head h1 {
  font-size: clamp(25px, 3.6vw, 36px);
  line-height: 1.35;
  color: var(--col-ink);
  letter-spacing: -0.005em;
  margin-bottom: 18px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--col-faint);
  padding-bottom: 26px;
  border-bottom: 1px solid var(--col-line);
}
.article-meta i { color: var(--col-accent); margin-right: 5px; }

/* 本文カード */
.article-body {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}
.article-inner {
  background: var(--col-panel);
  border: 1px solid var(--col-line);
  border-radius: 14px;
  padding: 44px 48px;
  margin-top: 28px;
}
@media (max-width: 640px) {
  .article-inner { padding: 30px 22px; }
}

/* 記事タイポグラフィ（measure を絞って読みやすく） */
.article-inner > * { max-width: var(--col-measure); }
.article-inner > .full { max-width: none; }

.article-lead {
  font-size: 17px;
  line-height: 1.9;
  color: var(--col-ink);
  font-weight: 500;
  margin-bottom: 30px;
}
.article-inner h2 {
  font-size: 23px;
  line-height: 1.4;
  color: var(--col-ink);
  margin: 46px 0 18px;
  padding-left: 14px;
  border-left: 4px solid var(--col-accent);
}
.article-inner h3 {
  font-size: 18px;
  color: var(--col-ink);
  margin: 32px 0 12px;
}
.article-inner p {
  font-size: 15.5px;
  line-height: 1.95;
  color: #384740;
  margin-bottom: 18px;
}
.article-inner a:not(.btn) {
  color: var(--col-accent);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.article-inner ul,
.article-inner ol {
  margin: 0 0 22px 1.3em;
  color: #384740;
}
.article-inner li {
  font-size: 15.5px;
  line-height: 1.9;
  margin-bottom: 9px;
  padding-left: 4px;
}
.article-inner strong { color: var(--col-ink); font-weight: 700; }

/* 目次 */
.toc {
  background: var(--col-ground);
  border: 1px solid var(--col-line);
  border-radius: 10px;
  padding: 20px 24px;
  margin-bottom: 34px;
}
.toc-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--col-muted);
  margin-bottom: 12px;
}
.toc ol { margin: 0 0 0 1.2em; }
.toc li { font-size: 14.5px; margin-bottom: 8px; }
.toc a { color: var(--col-muted); }
.toc a:hover { color: var(--col-accent); }

/* 表 */
.article-tablewrap { overflow-x: auto; margin: 0 0 24px; border-radius: 10px; border: 1px solid var(--col-line); }
.article-inner table { border-collapse: collapse; width: 100%; min-width: 460px; font-size: 14px; }
.article-inner thead th {
  background: var(--col-ground);
  text-align: left;
  padding: 12px 15px;
  font-size: 13px;
  color: var(--col-ink);
  border-bottom: 1px solid var(--col-line-strong);
}
.article-inner tbody td { padding: 12px 15px; border-bottom: 1px solid var(--col-line); color: #384740; vertical-align: top; }
.article-inner tbody tr:last-child td { border-bottom: 0; }

/* コールアウト（結論・ポイント） */
.callout-box {
  background: var(--col-accent-soft);
  border: 1px solid rgba(28, 138, 90, 0.28);
  border-radius: 10px;
  padding: 20px 22px;
  margin: 0 0 26px;
}
.callout-box .clabel {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--col-accent);
  margin-bottom: 8px;
}
.callout-box p:last-child { margin-bottom: 0; }

.note-box {
  border-left: 3px solid var(--col-amber);
  background: rgba(183, 121, 31, 0.07);
  border-radius: 0 8px 8px 0;
  padding: 14px 18px;
  margin: 0 0 26px;
}
.note-box p { margin: 0; font-size: 14.5px; }
.note-box strong { color: var(--col-amber); }

/* 事例（お客様の声）差し込み */
.case-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--col-ground);
  border: 1px solid var(--col-line);
  border-radius: 12px;
  padding: 20px 22px;
  margin: 0 0 26px;
}
.case-card .case-icon {
  flex: none;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
}
.case-card .case-body p { font-size: 14.5px; margin-bottom: 8px; font-style: italic; color: var(--col-ink); }
.case-card .case-body cite { font-size: 12.5px; color: var(--col-muted); font-style: normal; }

/* 著者ボックス */
.author-box {
  display: flex;
  gap: 16px;
  align-items: center;
  border-top: 1px solid var(--col-line);
  margin-top: 40px;
  padding-top: 26px;
}
.author-box .avatar {
  flex: none;
  width: 54px; height: 54px;
  border-radius: 50%;
  background: var(--col-accent);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
}
.author-box .a-name { font-weight: 700; color: var(--col-ink); font-size: 15px; }
.author-box .a-desc { font-size: 13px; color: var(--col-muted); margin-top: 3px; }

/* 記事内CTA */
.article-cta {
  max-width: 760px;
  margin: 34px auto 0;
  padding: 0 24px;
}
.article-cta-inner {
  background: linear-gradient(135deg, var(--dark-color), #1c2a38);
  border-radius: 16px;
  padding: 40px 40px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.article-cta-inner::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(80% 120% at 100% 0%, rgba(46, 204, 113, 0.28), transparent 60%);
}
.article-cta-inner > * { position: relative; }
.article-cta-inner .cta-eyebrow {
  font-size: 12px; letter-spacing: 0.1em; font-weight: 700;
  color: var(--primary-color); margin-bottom: 12px;
}
.article-cta-inner h2 { font-size: 22px; line-height: 1.5; margin-bottom: 12px; border: 0; padding: 0; max-width: none; color: #fff; }
.article-cta-inner p { color: rgba(255, 255, 255, 0.82); font-size: 14.5px; margin: 0 auto 24px; max-width: 34em; }
.article-cta-inner .btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--primary-color);
  color: #fff;
  font-weight: 700;
  font-size: 15.5px;
  padding: 15px 34px;
  border-radius: 999px;
  box-shadow: 0 8px 22px rgba(46, 204, 113, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.article-cta-inner .btn-cta:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(46, 204, 113, 0.45); }
.article-cta-inner .cta-sub { font-size: 12px; color: rgba(255, 255, 255, 0.6); margin-top: 14px; }

/* 関連記事 */
.related {
  max-width: 1120px;
  margin: 60px auto 0;
  padding: 0 24px;
}
.related-title {
  font-size: 20px;
  color: var(--col-ink);
  margin-bottom: 22px;
  text-align: center;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 720px) {
  .related-grid { grid-template-columns: 1fr; }
}
.related-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  background: var(--col-panel);
  border: 1px solid var(--col-line);
  border-radius: 12px;
  padding: 18px 20px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.related-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(31, 45, 38, 0.1);
}
.related-card .related-cat {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--col-accent);
}
.related-card .related-h {
  font-size: 15px;
  line-height: 1.6;
  color: var(--col-ink);
  font-weight: 700;
}

/* FAQ */
.article-faq { margin: 8px 0 26px; }
.faq-q {
  display: flex;
  gap: 10px;
  font-weight: 700;
  color: var(--col-ink);
  font-size: 15.5px;
  margin: 18px 0 8px;
}
.faq-q::before { content: "Q."; color: var(--col-accent); font-weight: 800; flex: none; }
.faq-a {
  display: flex;
  gap: 10px;
  font-size: 15px;
  line-height: 1.9;
  color: #384740;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--col-line);
}
.faq-a::before { content: "A."; color: var(--col-faint); font-weight: 800; flex: none; }
.article-faq .faq-a:last-child { border-bottom: 0; }

/* 業種別ナビ（業種別記事の相互リンク） */
.gyoshu-nav {
  max-width: 1120px;
  margin: 44px auto 0;
  padding: 26px 24px 0;
  border-top: 1px solid var(--col-line);
}
.gyoshu-nav-label {
  display: block;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--col-muted);
  margin-bottom: 16px;
}
.gyoshu-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}
.gyoshu-chips a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--col-line-strong);
  background: var(--col-panel);
  color: var(--col-muted);
  font-size: 13.5px;
  font-weight: 600;
  transition: all 0.2s ease;
}
.gyoshu-chips a:hover {
  border-color: var(--col-accent);
  color: var(--col-accent);
  transform: translateY(-2px);
}
.gyoshu-chips a i { color: var(--col-accent); }

/* 記事末のトップ導線 */
.article-back { text-align: center; padding: 40px 0 0; }
.article-back a { color: var(--col-accent); font-weight: 600; }
.article-back a:hover { text-decoration: underline; }