/* Column Archive Styles */

:root {
  --column-primary: #5d020a;
  --column-accent: #303d49;
  --column-dark: #1a1e22;
  --column-text: #1a1e22;
  --column-muted: #60656b;
  --column-border: #e6e8ea;
  --column-background: #fafafa;
}

.column-page {
  min-height: 100vh;
  background-color: var(--column-background);
  font-family: 'Noto Sans JP', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.column-hero {
  position: relative;
  color: #fff;
  padding: 72px 24px 48px;
  background: linear-gradient(135deg, rgba(93, 2, 10, 0.92) 0%, rgba(48, 61, 73, 0.88) 100%);
  overflow: hidden;
}

.column-hero__overlay {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20px 20px, rgba(255, 255, 255, 0.05) 2px, transparent 0);
  background-size: 40px 40px;
  opacity: 0.3;
}

.column-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
}

.column-hero__breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  margin-bottom: 16px;
  opacity: 0.9;
}

.column-hero__breadcrumb a {
  color: #fff;
  text-decoration: none;
  transition: opacity 0.2s;
}

.column-hero__breadcrumb a:hover {
  opacity: 0.7;
  text-decoration: underline;
}

.column-hero__breadcrumb-sep {
  opacity: 0.6;
}

.column-hero__title {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.column-hero__description {
  font-size: 1rem;
  line-height: 1.8;
  opacity: 0.95;
  max-width: 720px;
}

.column-controls {
  position: sticky;
  top: 0;
  z-index: 20;
  background-color: #fff;
  border-bottom: 1px solid var(--column-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.column-controls__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px;
  display: grid;
  gap: 16px;
}

.column-controls__search {
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--column-border);
  border-radius: 12px;
  padding: 12px 16px;
  background-color: #fafafa;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.column-controls__search:focus-within {
  border-color: rgba(93, 2, 10, 0.3);
  box-shadow: 0 0 0 3px rgba(93, 2, 10, 0.12);
}

.column-controls__search-icon {
  display: inline-flex;
  color: var(--column-muted);
}

.column-controls__search-input {
  border: none;
  outline: none;
  background: transparent;
  flex: 1;
  font-size: 0.95rem;
  color: var(--column-text);
}

.column-controls__search-submit {
  border: none;
  background: var(--column-primary);
  color: #fff;
  border-radius: 10px;
  padding: 8px 20px;
  font-weight: 600;
  cursor: pointer;
}

.column-controls__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.column-controls__chips {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  flex: 1;
}

.column-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--column-border);
  background-color: #fff;
  color: var(--column-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: all 0.18s ease;
  white-space: nowrap;
}

.column-chip.is-active,
.column-chip:hover,
.column-chip:focus-visible {
  border-color: rgba(48, 61, 73, 0.4);
  background-color: rgba(48, 61, 73, 0.08);
  color: var(--column-accent);
}

.column-controls__actions {
  display: flex;
  gap: 14px;
  align-items: center;
}

.column-controls__sort-select {
  padding: 8px 36px 8px 12px;
  border-radius: 12px;
  border: 1px solid var(--column-border);
  background-color: #fff;
  font-size: 0.85rem;
  color: var(--column-text);
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2360656B' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  appearance: none;
}

.column-controls__views {
  display: inline-flex;
  gap: 4px;
  border: 1px solid var(--column-border);
  border-radius: 12px;
  padding: 4px;
}

.column-view {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--column-muted);
  font-size: 0.85rem;
  transition: all 0.18s ease;
}

.column-view.is-active {
  background-color: var(--column-accent);
  color: #fff;
}

.column-view__icon {
  width: 16px;
  height: 16px;
  display: inline-block;
  position: relative;
}

.column-view__icon--grid::before,
.column-view__icon--grid::after,
.column-view__icon--list::before,
.column-view__icon--list::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 4px;
  border: 2px solid currentColor;
  opacity: 0.7;
}

.column-view__icon--grid::after {
  inset: 4px 4px 4px 8px;
}

.column-view__icon--list::before {
  border-top: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  border-left: none;
  border-right: none;
  top: 3px;
  height: 4px;
}

.column-view__icon--list::after {
  border-top: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  border-left: none;
  border-right: none;
  bottom: 3px;
  height: 4px;
}

.column-articles__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 24px;
}

.column-articles__grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

[data-column-articles][data-view='list'] .column-articles__grid {
  grid-template-columns: 1fr;
}

.column-card {
  background-color: #fff;
  border: 1px solid var(--column-border);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  display: grid;
  grid-template-rows: auto 1fr;
}

.column-card:hover,
.column-card:focus-within {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
  border-color: rgba(93, 2, 10, 0.2);
}

.column-card__media {
  position: relative;
  padding-top: 66.67%;
  overflow: hidden;
  display: block;
}

.column-card__media img,
.column-card__media-placeholder {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.column-card__media-placeholder {
  background: linear-gradient(135deg, rgba(93, 2, 10, 0.18) 0%, rgba(48, 61, 73, 0.18) 100%);
}

.column-card__bookmark {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.9);
  color: var(--column-dark);
  font-size: 18px;
  backdrop-filter: blur(8px);
}

.column-card__content {
  padding: 24px;
  display: grid;
  gap: 12px;
}

.column-card__category {
  display: inline-block;
  background-color: rgba(93, 2, 10, 0.12);
  color: var(--column-primary);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-decoration: none;
}

.column-card__title {
  margin: 0;
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  font-weight: 700;
  color: var(--column-text);
  line-height: 1.4;
}

.column-card__title a {
  text-decoration: none;
  color: inherit;
}

.column-card__title a:hover,
.column-card__title a:focus {
  color: var(--column-primary);
  text-decoration: underline;
}

.column-card__excerpt {
  margin: 0;
  font-size: 0.95rem;
  color: var(--column-muted);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.column-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--column-muted);
}

.column-card__date--updated {
  color: var(--column-accent);
}

.column-pagination {
  margin-top: 56px;
  display: flex;
  justify-content: center;
}

.column-pagination__list {
  display: inline-flex;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.column-pagination__item .page-numbers {
  display: inline-flex;
  min-width: 44px;
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid var(--column-border);
  text-decoration: none;
  color: var(--column-text);
  font-size: 0.95rem;
  transition: all 0.18s ease;
}

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

.column-pagination__item .page-numbers:hover,
.column-pagination__item .page-numbers:focus {
  border-color: rgba(93, 2, 10, 0.4);
}

.column-empty {
  text-align: center;
  color: var(--column-muted);
  font-size: 1rem;
  padding: 64px 0;
}

.column-cta {
  background-color: var(--column-primary);
  color: #fff;
  padding: 72px 24px;
  margin-top: 88px;
}

.column-cta__inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.column-cta__title {
  font-size: clamp(1.5rem, 3vw, 1.9rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.column-cta__text {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 32px;
  opacity: 0.95;
}

.column-cta__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 40px;
  border-radius: 12px;
  background: #fff;
  color: var(--column-primary);
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.column-cta__button:hover,
.column-cta__button:focus {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

@media (max-width: 1024px) {
  .column-controls__meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .column-controls__actions {
    width: 100%;
    justify-content: space-between;
  }

  .column-articles__inner {
    padding: 48px 20px;
  }
}

@media (max-width: 768px) {
  .column-controls__inner {
    padding: 20px;
  }

  .column-controls__actions {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .column-controls__views {
    align-self: flex-end;
  }

  .column-card__content {
    padding: 20px;
  }
}

@media (max-width: 576px) {
  .column-hero {
    padding: 56px 16px;
  }

  .column-controls__inner {
    padding: 16px;
  }

  .column-controls__search {
    padding: 10px 14px;
  }

  .column-articles__inner {
    padding: 40px 16px;
  }

  .column-cta {
    padding: 56px 16px;
  }
}