/* コラム（archive-km_column.php / single-km_column.php）専用。style.css の変数とカード・ボタンを前提にする */

.column-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 0;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  color: var(--color-gray-500);
  font-size: 12px;
}

.column-breadcrumb li:not(:last-child)::after {
  content: "›";
  margin: 0 8px;
}

.column-breadcrumb a:hover {
  color: var(--color-primary);
}

.column-breadcrumb [aria-current] {
  display: inline-block;
  max-width: 28em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  vertical-align: bottom;
}

/* 一覧 */
.column-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.column-card {
  overflow: hidden;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.column-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(31, 41, 51, 0.1);
}

.column-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.column-card-image {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid var(--color-gray-100);
  background: #fff;
}

.column-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.column-card-image .column-card-noimage {
  width: 72px;
  height: 72px;
  object-fit: contain;
}

.column-card-body {
  padding: 20px 22px 24px;
}

.column-card time {
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 900;
}

.column-card h2,
.column-card h3 {
  margin: 6px 0 0;
  color: var(--color-black);
  font-size: 18px;
  line-height: 1.5;
}

.column-card p {
  margin: 10px 0 0;
  color: var(--color-gray-700);
  font-size: 14px;
}

.column-pagination {
  margin-top: 48px;
}

.column-pagination .nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.column-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--color-gray-300);
  border-radius: 8px;
  background: #fff;
  font-weight: 800;
}

.column-pagination .page-numbers.current {
  border-color: var(--color-primary);
  color: #fff;
  background: var(--color-primary);
}

.column-pagination a.page-numbers:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* 記事 */
.column-narrow {
  width: min(100% - 40px, 820px);
}

.column-header {
  padding: 56px 0 48px;
}

.column-header h1 {
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.4;
}

.column-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  margin: 18px 0 0;
  font-size: 13px;
}

.column-body-wrap {
  padding: 40px 0 88px;
}

.column-eyecatch {
  margin: 0 0 40px;
}

.column-eyecatch img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 8px;
}

.column-content {
  color: var(--color-gray-900);
  font-size: 16px;
  line-height: 1.95;
}

.column-content > * + * {
  margin-top: 1.4em;
}

.column-content p {
  margin-bottom: 0;
}

.column-content h2 {
  margin: 2.6em 0 0;
  padding: 0 0 12px 16px;
  border-left: 4px solid var(--color-primary);
  border-bottom: 1px solid var(--color-gray-300);
  color: var(--color-black);
  font-size: clamp(21px, 2.4vw, 26px);
  line-height: 1.5;
}

.column-content h3 {
  margin: 2em 0 0;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--color-primary-soft);
  color: var(--color-black);
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.5;
}

.column-content h4 {
  margin: 1.8em 0 0;
  color: var(--color-black);
  font-size: 17px;
}

.column-content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.column-content ul,
.column-content ol {
  padding-left: 1.5em;
}

.column-content li + li {
  margin-top: 0.4em;
}

.column-content blockquote {
  margin-inline: 0;
  padding: 16px 20px;
  border-left: 4px solid var(--color-gray-300);
  border-radius: 0 8px 8px 0;
  color: var(--color-gray-700);
  background: var(--color-gray-100);
}

.column-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.column-content th,
.column-content td,
.column-content .wp-block-table th,
.column-content .wp-block-table td {
  padding: 10px 12px;
  border: 1px solid var(--color-gray-300);
  text-align: left;
  vertical-align: top;
}

.column-content th {
  background: var(--color-gray-100);
}

.column-content .wp-block-table {
  overflow-x: auto;
}

.column-content figure {
  margin-inline: 0;
}

.column-content img {
  border-radius: 8px;
}

.column-content figcaption {
  margin-top: 8px;
  color: var(--color-gray-500);
  font-size: 13px;
  text-align: center;
}

.column-cta {
  margin-top: 64px;
  padding: 36px 40px;
  border-color: rgba(229, 57, 53, 0.25);
  background: linear-gradient(135deg, rgba(253, 234, 234, 0.7), transparent 55%), #fff;
}

.column-cta h2 {
  margin: 0;
  color: var(--color-black);
  font-size: clamp(20px, 2.4vw, 24px);
  line-height: 1.5;
}

.column-cta p:not(.eyebrow) {
  margin: 12px 0 0;
  color: var(--color-gray-700);
}

.column-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.column-related {
  padding: 72px 0;
}

.column-related-title {
  margin: 0 0 28px;
  color: var(--color-black);
  font-size: 24px;
}

.column-related-more {
  margin: 36px 0 0;
  text-align: center;
}

@media (max-width: 900px) {
  .column-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .column-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .column-header {
    padding: 36px 0 32px;
  }

  .column-body-wrap {
    padding: 28px 0 64px;
  }

  .column-eyecatch {
    margin-bottom: 28px;
  }

  .column-content {
    font-size: 15px;
  }

  .column-cta {
    padding: 28px 22px;
  }

  .column-cta-actions .button {
    width: 100%;
  }

  .column-breadcrumb [aria-current] {
    max-width: 14em;
  }
}