/* ========================================
   記事一覧ページ 固有スタイル
   ======================================== */

.page-shell {
  width: min(100% - 32px, 1024px);
  margin-inline: auto;
}

.u-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.breadcrumb {
  padding-top: 24px;
  font-size: 14px;
  color: var(--c-text-light);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumb__item + .breadcrumb__item::before {
  content: ">";
  margin-right: 8px;
  color: var(--c-text-light);
}

.breadcrumb__item a {
  color: var(--c-text-light);
}

.breadcrumb__item[aria-current="page"] {
  color: var(--c-text-sub);
}

/* ---- ヒーロー ---- */

.articles-hero {
  padding: 60px 0 48px;
  text-align: center;
}

.articles-hero h1 {
  font-size: clamp(32px, 8vw, 48px);
  line-height: 1.3;
}

.articles-hero__lead {
  max-width: 680px;
  margin: 16px auto 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text-sub);
}

/* ---- 記事カード ---- */

.articles-list {
  padding: 0 0 48px;
}

.article-cards {
  max-width: 840px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.article-cards > li {
  margin-bottom: 20px;
}

.article-card {
  padding: 28px 24px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  background: var(--c-white);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.article-card:hover,
.article-card:focus-within {
  border-color: var(--c-primary-light);
  box-shadow: 0 4px 16px rgba(42, 37, 32, 0.06);
}

.article-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.article-card__date {
  font-size: 14px;
  color: var(--c-text-light);
}

.article-card__tag {
  display: inline-block;
  padding: 2px 12px;
  border-radius: 999px;
  background: var(--c-bg-beige);
  font-size: 13px;
  color: var(--c-text-sub);
  line-height: 1.7;
}

.article-card__title {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.55;
  margin-bottom: 12px;
}

.article-card__title a {
  color: var(--c-text-main);
  text-decoration: none;
}

.article-card__title a:hover,
.article-card__title a:focus-visible {
  color: var(--c-primary-dark);
  text-decoration: underline;
}

.article-card__summary {
  font-size: 16px;
  color: var(--c-text-sub);
  line-height: 1.8;
  margin-bottom: 12px;
}

.article-card__link {
  font-size: 14px;
  font-weight: 700;
  color: var(--c-primary-dark);
}

.article-card__link::after {
  content: " →";
}

/* ---- フォロー導線 ---- */

.articles-follow {
  max-width: 840px;
  margin: 40px auto 0;
  padding: 28px 24px;
  border-radius: var(--radius-md);
  background: var(--c-bg-light);
  text-align: center;
}

.articles-follow__text {
  font-size: 16px;
  color: var(--c-text-sub);
  line-height: 1.8;
  margin-bottom: 16px;
}

/* ---- 下部CTA ---- */

.cta-section {
  padding: 64px 24px;
  background: var(--c-bg-light);
  border-radius: 12px;
  text-align: center;
  margin: 64px 0;
}

.cta-section h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--c-text-main);
  line-height: 1.5;
  margin-bottom: 12px;
}

.cta-section p {
  font-size: 16px;
  color: var(--c-text-sub);
  line-height: 1.8;
  margin-bottom: 24px;
}

/* ---- レスポンシブ ---- */

@media (min-width: 768px) {
  .page-shell {
    width: min(100% - 48px, 1024px);
  }

  .breadcrumb {
    padding-top: 32px;
    font-size: 14px;
  }

  .articles-hero {
    padding: 80px 0 56px;
  }

  .article-card {
    padding: 32px 32px;
  }
}

@media (max-width: 767px) {
  .article-card {
    padding: 22px 20px;
  }

  .article-card__title {
    font-size: 18px;
  }

  .cta-section {
    padding: 48px 20px;
  }

  .cta-section h2 {
    font-size: 20px;
  }
}

@media (min-width: 1024px) {
  .page-shell {
    width: min(100% - 64px, 1024px);
  }
}