.column-page {
  padding-top: calc(var(--header-height) + var(--sp-lg));
  padding-bottom: var(--sp-xl);
}

.column-page__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
  color: var(--c-text-light);
  font-size: 0.875rem;
}

.column-page__breadcrumb-sep {
  color: rgba(21, 34, 56, 0.35);
}

.column-page__layout {
  display: grid;
  gap: 3rem;
}

.column-page__main {
  min-width: 0;
}

.column-page__header {
  margin-bottom: 3rem;
}

.column-page__title {
  margin-top: 0.5rem;
  font-size: 2rem;
  line-height: 1.4;
}

.column-page__lead {
  margin-top: 1rem;
  color: var(--c-text-light);
}

.column-page__lead p + p {
  margin-top: 1rem;
}

.column-page__list {
  display: grid;
  gap: 1.5rem;
}

.column-page__pagination {
  margin-top: 2.5rem;
}

.column-page__pagination .nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.column-page__pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  min-height: 2.5rem;
  padding: 0 0.75rem;
  color: var(--c-main);
}

.column-page__pagination .page-numbers li {
  border: 1px solid var(--c-border);
}

.column-page__pagination .page-numbers.current {
  border-color: var(--c-main);
  background-color: var(--c-main);
  color: var(--c-white);
}

.column-page__empty {
  padding: 2rem 0;
}

.column-card {
  border-bottom: 1px solid var(--c-border);
  padding-bottom: 1.5rem;
}

.column-card__link {
  display: grid;
  gap: 1rem;
  align-items: start;
  grid-template-columns: minmax(8.5rem, 10rem) minmax(0, 1fr);
}

.column-card__thumb {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: #f5f4f0;
}

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

.column-card__thumb-placeholder {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  color: #c98d84;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid #f0c3be;
  background-color: #fffdfb;
}

.column-card__content {
  display: grid;
  gap: 0.625rem;
}

.column-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  color: var(--c-text-light);
  font-size: 0.875rem;
}

.column-card__cat::before {
  content: "|";
  margin-right: 0.5rem;
  color: rgba(21, 34, 56, 0.35);
}

.column-card__title {
  font-size: 1.25rem;
  line-height: 1.6;
}

.column-sidebar {
  display: grid;
  gap: 2rem;
}

.column-sidebar__section {
  padding: 1.5rem;
  border: 1px solid var(--c-border);
  background-color: var(--c-bg-sub);
}

.column-sidebar__title {
  margin: 0;
  font-size: 1.125rem;
}

.column-sidebar__recommended {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}

.column-sidebar__recommended-item + .column-sidebar__recommended-item {
  padding-top: 1rem;
  border-top: 1px solid var(--c-border);
}

.column-sidebar__recommended-link {
  display: grid;
  gap: 0.35rem;
}

.column-sidebar__recommended-date {
  color: var(--c-text-light);
  font-size: 0.8125rem;
}

.column-sidebar__recommended-text {
  line-height: 1.7;
}

.column-sidebar__categories {
  display: grid;
  gap: 0.625rem;
  margin-top: 1.25rem;
  padding: 0;
  list-style: none;
}

.column-sidebar__category-link {
  display: block;
  padding: 0.75rem 1rem;
  border: 1px solid var(--c-border);
  background-color: var(--c-white);
  transition:
    border-color 0.3s ease,
    color 0.3s ease,
    background-color 0.3s ease;
}

.column-sidebar__category-link.is-current,
.column-sidebar__category-link:hover {
  border-color: var(--c-main);
  color: var(--c-white);
  background-color: var(--c-main);
}

.column-single__header {
  margin-bottom: 2rem;
}

.column-single__title {
  margin-top: 0.5rem;
  font-size: 2rem;
  line-height: 1.4;
}

.column-single__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-top: 1rem;
  color: var(--c-text-light);
  font-size: 0.875rem;
}

.column-single__cat::before {
  content: "|";
  margin-right: 0.5rem;
  color: rgba(21, 34, 56, 0.35);
}

.column-single__thumb {
  margin-bottom: 2rem;
  overflow: hidden;
  border-radius: 0.5rem;
  background-color: #f5f4f0;
}

.column-single__thumb img {
  display: block;
  width: 100%;
  height: auto;
}

.column-single__content {
  font-size: 1rem;
}

.column-single__content > * + * {
  margin-top: 1.5rem;
}

.column-single__content h2,
.column-single__content h4 {
  margin-top: 2.5rem;
}

.column-single__content h3 {
  margin: 2.5rem 0;
  font-size: 1.2em;
}

.column-single__content ul,
.column-single__content ol {
  padding-left: 1.5rem;
}

.column-single__content ul {
  list-style: disc;
}

.column-single__content ol {
  list-style: decimal;
}

.column-single__content img {
  height: auto;
}

.column-single__content .article-index {
  margin: 0 0 2rem;
}

.column-single__content .article-index__inner {
  padding: 1.5rem;
  border: 1px solid var(--c-border);
  background-color: var(--c-bg-sub);
}

.column-single__content .article-index__title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 700;
}

.column-single__content .article-index__list {
  display: grid;
  gap: 0.75rem;
  margin: 1rem 0 0;
  padding-left: 1.25rem;
}

.column-single__content .article-index__item {
  margin: 0;
}

.column-single__content .article-index__link {
  color: var(--c-main);
  line-height: 1.8;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.column-single__writer {
  display: grid;
  gap: 1.25rem;
  margin-top: 3rem;
  padding: 1.5rem;
  border: 1px solid var(--c-border);
  background-color: var(--c-bg-sub);
}

.column-single__writer-image {
  overflow: hidden;
  width: 8rem;
  height: 8rem;
  border-radius: 999px;
  background-color: #f5f4f0;
}

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

.column-single__writer-label {
  color: var(--c-accent-dark);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.column-single__writer-name {
  margin-top: 0.375rem;
  font-size: 1.25rem;
}

.column-single__writer-department {
  margin-top: 0.5rem;
  color: var(--c-text-light);
}

.column-single__writer-summary {
  margin-top: 0.75rem;
  line-height: 1.9;
}

.column-single__footer {
  margin-top: 3rem;
  text-align: center;
}

.column-single__back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--c-main);
  color: var(--c-main);
}

.column-single__pager {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--c-border);
}

.column-single__pager-item {
  min-height: 1px;
}

.column-single__pager-link {
  display: grid;
  gap: 0.25rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--c-border);
  background-color: var(--c-bg-sub);
}

.column-single__pager-item--next .column-single__pager-link {
  text-align: right;
}

.column-single__pager-label {
  color: var(--c-accent-dark);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.column-single__pager-title {
  color: var(--c-main);
  line-height: 1.7;
}

@media (min-width: 768px) {
  .column-card {
    padding-bottom: 2rem;
  }

  .column-card__link {
    grid-template-columns: 16rem minmax(0, 1fr);
    gap: 1.5rem;
    align-items: center;
  }

  .column-single__title,
  .column-page__title {
    font-size: 2.5rem;
  }

  .column-single__writer {
    grid-template-columns: 8rem minmax(0, 1fr);
    align-items: start;
  }

  .column-single__pager {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .column-page__layout {
    grid-template-columns: minmax(0, 1fr) 20rem;
    align-items: start;
  }
}