.asc-column-intro {
  background: var(--white);
  border-bottom: 1px solid var(--border-subtle);
}

.asc-column-intro__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px clamp(20px, 4vw, 40px) 20px;
}

.asc-column-intro__heading-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.asc-column-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
  font-size: var(--fs-caption);
  line-height: 1.5;
  color: var(--text-muted);
}

.asc-column-breadcrumb__link {
  color: var(--text-muted);
  text-decoration: none;
}

.asc-column-breadcrumb__link:hover {
  color: var(--brand-primary);
}

.asc-column-breadcrumb__current {
  color: var(--grey-700);
}

.asc-column-eyebrow {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: var(--fs-eyebrow);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--text-muted);
}

.asc-column-eyebrow-bar {
  width: 24px;
  height: 2px;
  background: var(--brand-accent);
  flex-shrink: 0;
}

.asc-column-intro__title {
  margin: 0;
  font-size: clamp(32px, 4.2vw, 56px);
  font-weight: var(--fw-bold);
  line-height: 1.2;
  letter-spacing: var(--ls-heading);
  color: var(--grey-700);
}

.asc-column-intro__lead {
  margin: 0;
  max-width: 50em;
  font-size: clamp(16px, 1.6vw, 20px);
  line-height: var(--lh-body);
  color: var(--text-muted);
  text-wrap: pretty;
}

.asc-column-intro__lead-nowrap {
  white-space: nowrap;
}

.asc-column-featured-section {
  background: var(--white);
  padding-block: 56px 96px;
}

.asc-column-featured-section__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding-inline: clamp(20px, 4vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.asc-column-featured {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  column-gap: clamp(24px, 4vw, 48px);
  row-gap: 8px;
  padding: 16px clamp(24px, 4vw, 48px) 0;
  background: var(--purple-100);
  border: 1px solid var(--purple-200);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xs);
  color: var(--grey-700);
  text-decoration: none;
  transition: background var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard);
}

.asc-column-featured:hover {
  background: var(--purple-200);
  border: 1.5px solid var(--purple-500);
  color: var(--grey-700);
}

.asc-column-featured__content {
  flex: 1 1 420px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  min-width: 0;
  padding-bottom: 36px;
}

.asc-column-featured__badge {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  height: 30px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  background: var(--surface-primary-soft);
  font-size: var(--fs-small);
  font-weight: var(--fw-bold);
  color: var(--brand-primary);
}

.asc-column-featured__title {
  margin: 0;
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: var(--fw-bold);
  line-height: 1.5;
  letter-spacing: var(--ls-heading);
  color: var(--grey-700);
}

.asc-column-featured__desc {
  margin: 0;
  max-width: 40em;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--grey-600);
}

.asc-column-featured__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  font-size: 15px;
  font-weight: var(--fw-bold);
  color: var(--brand-primary);
  white-space: nowrap;
}

.asc-column-featured__link svg {
  width: 16px;
  height: 16px;
}

.asc-column-featured__illust {
  flex: 0 1 300px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  min-width: 0;
}

.asc-column-featured__illust img {
  display: block;
  width: 430px;
  max-width: 130%;
  height: auto;
  transform: translate(-12px, -12px);
}

/* TOPページ（機能セクション下）用の縮小版。カード全体は小さくするが、
   イラストは存在感を残すため縮小率を他要素より控えめにする。 */
.asc-top-pillar {
  background: var(--white);
}

.asc-top-pillar__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px) clamp(56px, 7vw, 80px);
}

.asc-column-featured--compact {
  padding: 12px clamp(20px, 3vw, 32px) 0;
  column-gap: clamp(20px, 3vw, 32px);
}

.asc-column-featured--compact .asc-column-featured__content {
  flex-basis: 360px;
  gap: 10px;
  padding-bottom: 20px;
}

.asc-column-featured--compact .asc-column-featured__title {
  font-size: clamp(18px, 1.8vw, 22px);
}

.asc-column-featured--compact .asc-column-featured__illust {
  flex-basis: 200px;
}

.asc-column-featured--compact .asc-column-featured__illust img {
  width: 300px;
}

.asc-column-hub-cards__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}

.asc-column-hub-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, max(150px, calc((100% - 48px) / 5))), 1fr));
  gap: 12px;
}

.asc-column-hub-card {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 20px 22px;
  background: var(--white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  color: var(--grey-700);
  text-decoration: none;
  transition: border-color var(--duration-fast) var(--ease-standard), background var(--duration-fast) var(--ease-standard);
}

.asc-column-hub-card:hover {
  border-color: var(--brand-primary);
  background: var(--surface-primary-soft);
  color: var(--grey-700);
}

.asc-column-hub-card__title {
  margin: 0;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  height: 3em;
  font-size: 18px;
  font-weight: var(--fw-bold);
  line-height: 1.5;
  letter-spacing: var(--ls-heading);
  color: var(--grey-700);
}

.asc-column-hub-card__desc {
  margin: 0;
  min-height: 4.8em;
  font-size: 15px;
  line-height: var(--lh-body);
  color: var(--text-muted);
}

.asc-column-hub-card__footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px;
  margin-top: auto;
  padding-top: 8px;
}

.asc-column-hub-card__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: var(--fw-bold);
  color: var(--brand-primary);
}

.asc-column-hub-card__more svg {
  width: 16px;
  height: 16px;
}

.asc-column-hub-card__bg-icon {
  position: absolute;
  right: -10px;
  bottom: -10px;
  z-index: -1;
  color: var(--brand-primary);
  opacity: 0.14;
  pointer-events: none;
}

.asc-column-ranking {
  background: var(--grey-100);
  padding-block: 96px;
}

.asc-column-ranking__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding-inline: clamp(20px, 4vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.asc-column-section-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.asc-column-ranking__list {
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
}

.asc-column-ranking__item {
  border-top: 1px solid var(--border-subtle);
}

.asc-column-ranking__item:first-child {
  border-top: none;
}

.asc-column-ranking__link {
  display: grid;
  grid-template-columns: clamp(64px, 9vw, 88px) minmax(0, 1fr) auto clamp(44px, 6vw, 64px);
  align-items: stretch;
  color: var(--grey-700);
  text-decoration: none;
  transition: background var(--duration-fast) var(--ease-standard), color var(--duration-fast) var(--ease-standard);
}

.asc-column-ranking__link br {
  display: none;
}

.asc-column-ranking__link:hover {
  background: var(--grey-50);
  color: var(--brand-primary);
}

.asc-column-category-section .asc-column-ranking__link {
  grid-template-columns: clamp(64px, 9vw, 88px) minmax(0, 1fr) clamp(220px, 24vw, 260px) clamp(44px, 6vw, 64px);
}

.asc-column-ranking__rank {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 20px 8px;
  border-right: 1px solid var(--border-subtle);
}

.asc-column-ranking__rank-label {
  font-family: var(--font-latin);
  font-size: 11px;
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-eyebrow);
  color: var(--text-muted);
}

.asc-column-ranking__rank-no {
  font-family: var(--font-latin);
  font-size: 28px;
  font-weight: var(--fw-bold);
  line-height: 1;
  color: var(--brand-primary);
  font-variant-numeric: tabular-nums;
}

.asc-column-ranking__title {
  display: flex;
  align-items: center;
  min-width: 0;
  padding: 20px 24px;
  font-size: var(--fs-body);
  font-weight: var(--fw-bold);
  line-height: var(--lh-body);
}

.asc-column-ranking__tag-wrap {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 20px 20px 20px 8px;
}

.asc-column-ranking__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  border-left: 1px solid var(--border-subtle);
  color: var(--brand-primary);
}

.asc-column-ranking__arrow svg {
  width: 18px;
  height: 18px;
}

.asc-column-empty {
  padding: 32px;
  text-align: center;
  font-size: var(--fs-body);
  color: var(--text-muted);
  background: var(--white);
  border: 1px dashed var(--border-default);
  border-radius: var(--radius-lg);
}

.asc-column-articles {
  background: var(--white);
  padding-block: 24px;
}

.asc-column-featured-section + .asc-column-articles {
  padding-top: 0;
}

.asc-column-articles__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding-inline: clamp(20px, 4vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.asc-column-articles__title {
  margin: 0;
  font-size: 24px;
  font-weight: var(--fw-bold);
  line-height: 1.5;
  letter-spacing: var(--ls-heading);
  color: var(--grey-700);
}

.asc-column-articles__title-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.asc-column-active-filter__clear {
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--text-muted);
  text-decoration: none;
  white-space: nowrap;
}

.asc-column-active-filter__clear:hover {
  color: var(--brand-primary);
}

.asc-column-filters {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 10px 20px;
}

.asc-column-filters__label {
  font-size: var(--fs-body);
  font-weight: var(--fw-bold);
  line-height: 32px;
  color: var(--text-muted);
  white-space: nowrap;
}

.asc-column-filters__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.asc-column-filter-pill {
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-default);
  background: var(--white);
  color: var(--grey-700);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--duration-fast) var(--ease-standard), background var(--duration-fast) var(--ease-standard), color var(--duration-fast) var(--ease-standard);
}

.asc-column-filter-pill:hover {
  border-color: var(--brand-primary);
  color: var(--grey-700);
}

.asc-column-filter-pill.is-active {
  border-color: var(--brand-primary);
  background: var(--brand-primary);
  color: var(--text-on-primary);
}

.asc-column-filters__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 4px;
}

.asc-column-subcat-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  margin-top: -8px;
  border-bottom: 1px solid var(--border-subtle);
}

.asc-column-subcat-tab {
  display: inline-flex;
  align-items: center;
  height: 40px;
  margin-bottom: -1px;
  color: var(--grey-600);
  font-size: var(--fs-small);
  font-weight: var(--fw-bold);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard);
}

.asc-column-subcat-tab:hover {
  color: var(--brand-primary);
}

.asc-column-subcat-tab.is-active {
  color: var(--brand-primary);
  border-color: var(--brand-primary);
}

.asc-column-tag-pill {
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  color: var(--grey-600);
  font-size: var(--fs-small);
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--duration-fast) var(--ease-standard), color var(--duration-fast) var(--ease-standard);
}

.asc-column-tag-pill:hover {
  background: var(--surface-primary-soft);
  color: var(--brand-primary);
}

.asc-column-tag-pill.is-active {
  background: var(--surface-primary-soft);
  color: var(--brand-primary);
  font-weight: var(--fw-bold);
}

.asc-column-tag-pill__mark {
  margin-right: 2px;
  color: var(--purple-300);
}

.asc-column-articles__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
  gap: 24px;
}

.asc-column-articles__grid > br {
  display: none;
}

.asc-column-article-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
  color: var(--grey-700);
  text-decoration: none;
  transition: border-color var(--duration-fast) var(--ease-standard), background var(--duration-fast) var(--ease-standard);
}

.asc-column-article-card:hover {
  border-color: var(--brand-primary);
  background: var(--surface-primary-soft);
  color: var(--grey-700);
}

.asc-column-article-card br {
  display: none;
}

.asc-column-article-card__thumb {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--grey-100);
  border-bottom: 1px solid var(--border-subtle);
  color: var(--brand-primary);
}

.asc-column-article-card__thumb i {
  font-size: 32px;
}

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

.asc-column-article-card__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 20px 20px;
  flex: 1;
}

.asc-column-article-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.asc-column-article-card__date {
  font-family: var(--font-latin);
  font-size: 12px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.asc-column-article-card__title {
  margin: 0;
  font-size: var(--fs-body);
  font-weight: var(--fw-bold);
  line-height: 1.4;
  letter-spacing: var(--ls-heading);
  color: var(--grey-700);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}

.asc-column-article-card__desc {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}

.asc-column-pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  padding-top: 16px;
}

.asc-column-pagination a,
.asc-column-pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-default);
  background: var(--white);
  color: var(--grey-700);
  font-family: var(--font-latin);
  font-size: 15px;
  font-weight: var(--fw-semibold);
  text-decoration: none;
  font-variant-numeric: tabular-nums;
}

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

.asc-column-category-section {
  background: var(--white);
  padding-block: 56px;
}

#asc-column-new-articles {
  scroll-margin-top: 96px;
}

.asc-column-category-section--tinted {
  background: var(--grey-100);
}

.asc-column-category-section__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding-inline: clamp(20px, 4vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.asc-column-category-section__inner--compact {
  gap: 20px;
}

.asc-column-category-section__head {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.asc-column-category-card__cat {
  display: inline-flex;
  align-items: center;
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  line-height: 1.4;
  color: var(--brand-primary);
  white-space: nowrap;
}

.asc-column-category-card__cat::before {
  content: "#";
  margin-right: 2px;
  color: var(--purple-300);
}

.asc-column-pagination .is-current {
  border-color: var(--brand-primary);
  background: var(--brand-primary);
  color: var(--text-on-primary);
}

.asc-column-related {
  background: var(--surface-primary-soft);
  padding-block: 48px;
}

.asc-column-related__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding-inline: clamp(20px, 4vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.asc-column-related__label {
  margin: 0;
  font-size: 16px;
  font-weight: var(--fw-bold);
  line-height: 1.6;
  color: var(--grey-700);
}

.asc-column-related__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
  font-size: 15px;
  font-weight: var(--fw-bold);
  line-height: 1.5;
  color: var(--brand-primary);
  text-decoration: none;
}

.asc-column-related__link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.asc-column-related__link br {
  display: none;
}

.asc-glossary-jumpnav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.asc-glossary-jumpnav__item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-default);
  background: var(--white);
  color: var(--grey-700);
  font-size: 15px;
  font-weight: var(--fw-medium);
  text-decoration: none;
  transition: border-color var(--duration-fast) var(--ease-standard);
}

.asc-glossary-jumpnav__item:hover {
  border-color: var(--brand-primary);
}

[id^="asc-glossary-letter-"] {
  scroll-margin-top: 96px;
}

#asc-glossary-terms {
  scroll-margin-top: 96px;
}

.asc-glossary-term-list {
  display: flex;
  flex-direction: column;
}

.asc-glossary-term-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 0;
  border-top: 1px solid var(--border-subtle);
}

.asc-glossary-term-row:first-child {
  border-top: none;
}

.asc-glossary-term-row__reading {
  font-size: var(--fs-small);
  line-height: 1.5;
  color: var(--text-muted);
}

.asc-glossary-term-row__title {
  font-size: 17px;
  font-weight: var(--fw-bold);
  line-height: 1.6;
  color: var(--brand-primary);
  text-decoration: none;
}

.asc-glossary-term-row__title:hover {
  color: var(--brand-primary-hover);
}

@media (max-width: 767px) {
  .asc-column-hub-cards {
    grid-template-columns: 1fr;
  }

    .asc-column-hub-card__title {
    height: auto;
    max-height: 3em;
  }

  .asc-column-hub-card__desc {
    min-height: 0;
  }

  .asc-column-featured {
    padding: 16px 24px 0;
  }

  .asc-column-featured__illust {
    display: none;
  }

  .asc-column-filters {
    grid-template-columns: 1fr;
  }

    .asc-column-category-section .asc-column-ranking__link {
    grid-template-columns: clamp(56px, 14vw, 72px) minmax(0, 1fr) clamp(36px, 8vw, 48px);
    grid-template-areas: "rank tag arrow" "rank title arrow";
  }

  .asc-column-category-section .asc-column-ranking__rank {
    grid-area: rank;
  }

  .asc-column-category-section .asc-column-ranking__title {
    grid-area: title;
    padding: 0 16px 16px;
  }

  .asc-column-category-section .asc-column-ranking__tag-wrap {
    grid-area: tag;
    justify-content: flex-start;
    padding: 16px 16px 4px;
  }

  .asc-column-category-section .asc-column-ranking__arrow {
    grid-area: arrow;
  }
}