/**
 * 管理栄養士監修ブログ アーカイブ専用スタイル
 * 既存main.cssは変更せず、追加CSSで対応
 */

/* ===== ①パンくず ===== */
.nb-breadcrumb {
  margin: 15px 0 25px;
}

.nb-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 8px;
  font-size: 1.3rem;
  color: #666;
}

.nb-breadcrumb__item:not(:last-child)::after {
  content: "＞";
  margin-left: 8px;
  color: #666;
}

.nb-breadcrumb__item a {
  color: #391c00;
  transition: opacity 0.2s;
}

.nb-breadcrumb__item a:hover {
  opacity: 0.7;
}

.nb-breadcrumb__item--current {
  color: #391c00;
}

/* ===== ②カテゴリフィルター ===== */
.nb-category-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 45px;
  margin-bottom: 45px;
}

.nb-category-filter__btn {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  width: 250px;
  padding: 10px 18px;
  background-color: #59452a;
  color: #fff;
  font-size: 1.4rem;
  border-radius: 6px;
  transition: background-color 0.2s, opacity 0.2s;
}

.nb-category-filter__btn:hover {
  background-color: #6d5635;
}

.nb-category-filter__btn.is-active {
  background-color: #59452a;
  font-weight: 600;
}

.nb-category-filter__dot {
  width: 6px;
  height: 6px;
  background-color: #7baf00;
  border-radius: 50%;
  flex-shrink: 0;
}

.nb-category-filter__label {
  flex: 1;
  text-align: center;
}

.nb-category-filter__arrow {
  font-size: 1.2em;
  opacity: 0.9;
  margin-left: auto;
}

/* ===== ③記事カードグリッド ===== */
.nb-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.nb-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: #fff;
  border: 1px solid #e8e4e0;
  border-radius: 4px;
  overflow: hidden;
  transition: box-shadow 0.2s;
}

.nb-card:hover {
  box-shadow: 0 4px 12px rgba(57, 28, 0, 0.08);
}

.nb-card__link {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  color: inherit;
  text-decoration: none;
}

.nb-card__thumb {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: #f4ebe2;
}

.nb-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.nb-card__img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #f4ebe2;
}

.nb-card__img-placeholder-text {
  font-size: 1.2rem;
  color: #999;
}

.nb-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 15px;
}

.nb-card__meta {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.nb-card__cats {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.nb-card__cat {
  display: inline-block;
  padding: 3px 10px;
  background-color: #59452a;
  color: #fff;
  font-size: 1.2rem;
  border-radius: 4px;
}

.nb-card__date {
  font-size: 1.2rem;
  color: #666;
  flex-shrink: 0;
  align-self: center;
}

.nb-card__title {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.5;
  color: #391c00;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.nb-card-grid__empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: #666;
  font-size: 1.5rem;
}

/* ===== ページネーション ===== */
.nb-archive__pagination {
  margin-top: 50px;
  padding-top: 40px;
}

.nb-archive__pagination .pagination {
  margin-top: 0;
}

.nb-archive__pagination .pagination span,
.nb-archive__pagination .pagination a {
  border-radius: 8px;
  font-size: 1.6rem;
}

/* 省略記号（…）の視認性 */
.nb-archive__pagination .pagination span.dots {
  background-color: #f4ebe2;
  color: #59452a;
}

/* ===== レスポンシブ ===== */
@media screen and (max-width: 768px) {
  .nb-card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media screen and (max-width: 480px) {
  .nb-breadcrumb__list {
    font-size: 1.2rem;
  }

  .nb-category-filter {
    flex-direction: column;
    align-items: center;
    margin-top: 20px;
    margin-bottom: 35px;
  }

  .nb-category-filter__btn {
    justify-content: center;
  }

  .nb-card-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .nb-card__body {
    padding: 12px;
  }

  .nb-card__title {
    font-size: 1.4rem;
  }
}