.column-layout {
  --subpage-max-width: var(--measure);
}

.column-lead {
  margin: 16px 0 0;
  color: var(--color-muted);
  font-size: 1rem;
  line-height: 1.85;
}

.column-list {
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
}

.column-list li + li {
  margin-top: 12px;
}

.column-list a {
  display: block;
  padding: 20px 24px;
  border: 1px solid var(--color-border-frame);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  color: inherit;
  text-decoration: none;
}

.column-list a:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  text-decoration: none;
}

.column-list a:hover .column-list-title {
  text-decoration: underline;
  text-underline-offset: calc(3 / 16 * 1rem);
}

.column-list-date {
  display: block;
  margin: 0 0 8px;
  color: var(--color-muted);
  font-size: 0.875rem;
}

.column-list-title {
  display: block;
  color: var(--color-text);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.5;
}

.column-list-lead {
  display: block;
  margin: 8px 0 0;
  color: var(--color-muted);
  font-size: 0.875rem;
  line-height: 1.7;
}

.column-empty {
  margin: 40px 0 0;
  padding: 24px;
  border: 1px dashed var(--color-border-frame);
  border-radius: var(--radius-md);
  color: var(--color-muted);
  font-size: 1rem;
  line-height: 1.85;
}

.column-upcoming {
  margin: 64px 0 0;
}

.column-upcoming h2 {
  margin: 0 0 16px;
  color: var(--color-text);
}

.column-upcoming p {
  margin: 0 0 16px;
  font-size: 1rem;
  line-height: 1.85;
}

.column-upcoming ul {
  margin: 0;
  padding-left: 1.4em;
  font-size: 1rem;
  line-height: 1.85;
}

.column-upcoming li + li {
  margin-top: 8px;
}

.column-article .page-meta {
  display: flex;
  flex-wrap: wrap;
  margin: 24px 0 0;
  color: var(--color-muted);
  font-size: 0.875rem;
  line-height: 1.7;
}

.column-article > .page-title + .content-section {
  margin-top: 64px;
}

.column-article .content-section {
  scroll-margin-top: 16px;
}

.column-article .content-section + .content-section {
  margin-top: 64px;
}

.column-article .content-section h2 {
  margin-bottom: 24px;
  color: var(--color-text);
}

.column-article .content-section h3 {
  margin: 40px 0 12px;
  color: var(--color-text);
}

.column-article .content-section h2 + h3 {
  margin-top: 0;
}

.column-article .content-section p {
  margin: 0 0 16px;
  font-size: 1rem;
  line-height: 1.85;
}

.column-article .content-section p:last-child {
  margin-bottom: 0;
}

.column-article .content-section a {
  font-weight: 600;
}

.column-article .content-section ul,
.column-article .content-section ol {
  margin: 0 0 16px;
  padding-left: 1.4em;
  font-size: 1rem;
  line-height: 1.85;
}

.column-article .content-section li + li {
  margin-top: 8px;
}

.column-article .info-table {
  width: 100%;
  min-width: 320px;
  border-collapse: collapse;
  margin: 0 0 16px;
}

.column-article .info-table--compact {
  width: auto;
  min-width: 320px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.column-article .info-table--compact td:last-child,
.column-article .info-table--compact th:last-child {
  text-align: center;
}

.column-article .info-table th,
.column-article .info-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.875rem;
  text-align: left;
}

.column-article .info-table thead th {
  color: var(--color-muted);
  font-weight: 600;
  background: var(--color-subtle);
}

.column-article .table-scroll {
  overflow-x: auto;
  margin: 0 0 16px;
}

.column-article .source-note {
  color: var(--color-muted);
  font-size: 0.875rem;
}

.column-article .content-section figure {
  margin: 0 0 16px;
}

.column-article .content-section figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--color-border-frame);
  border-radius: var(--radius-md);
}

.column-article .content-section figcaption {
  margin-top: 8px;
  color: var(--color-muted);
  font-size: 0.875rem;
}

.column-article .summary-box {
  padding: 24px 28px;
  border: 1px solid var(--color-border-frame);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
}

.column-article .summary-box h2 {
  margin: 0 0 16px;
  font-size: 1.0625rem;
}

.column-article .summary-box ul {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.9375rem;
}

.column-article .summary-box li + li {
  margin-top: 12px;
}

.column-article .summary-box strong {
  color: var(--color-primary-dark);
}

.column-back {
  margin: 48px 0 0;
}

.column-back a {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  font-weight: 600;
}

@media (max-width: 560px) {
  .column-list {
    margin-top: 32px;
  }

  .column-list a {
    padding: 16px 18px;
  }

  .column-article > .page-title + .content-section,
  .column-article .content-section + .content-section {
    margin-top: 48px;
  }

  .column-article .content-section h3 {
    margin-top: 32px;
  }

  .column-article .summary-box {
    padding: 20px;
  }
}