/* サイト概要 */
.hero {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.hero h1 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.hero p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* 統合絞り込みフィルターバー */
.filter-panel {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 20px;
  margin-bottom: 24px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}

.filter-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--border);
}

.filter-panel-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-main);
}

.btn-filter-clear {
  background: none;
  border: none;
  color: var(--link);
  font-size: 0.8rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
}

.btn-filter-clear:hover {
  background-color: #f1f3f5;
  text-decoration: underline;
}

.filter-sub-group {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.filter-sub-group:last-child {
  margin-bottom: 0;
}

.filter-sub-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  width: 44px;
  flex-shrink: 0;
}

/* 入力要素共通ルール */
input.date-input,
input.filter-text-input,
input.custom-limit-input,
select.sort-select {
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #ffffff;
  color: var(--text-main);
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input.date-input:focus,
input.filter-text-input:focus,
input.custom-limit-input:focus,
select.sort-select:focus {
  border-color: var(--link);
  box-shadow: 0 0 0 2px rgba(9, 105, 218, 0.12);
}

/* 期間入力 */
.date-input-row {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.date-input {
  padding: 6px 10px;
  font-size: 0.85rem;
}

.date-separator {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* テキスト検索 */
.filter-text-input {
  flex: 1;
  min-width: 200px;
  padding: 8px 12px;
  font-size: 0.88rem;
}

/* ピルボタン共通 */
.filter-pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.filter-pill {
  background: #f1f3f5;
  border: 1px solid transparent;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  color: #495057;
  cursor: pointer;
  transition: background-color 0.15s ease;
  outline: none;
}

.filter-pill:hover {
  background: #e9ecef;
}

.filter-pill.active {
  background: var(--text-main);
  color: #ffffff;
  font-weight: 600;
}

/* 件数カスタム入力 */
.custom-limit-wrap {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: 4px;
}

.custom-limit-input {
  width: 44px;
  padding: 4px 6px;
  font-size: 0.8rem;
  text-align: center;
}

/* 一覧直上のバー（件数＆並べ替えプルダウン） */
.list-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding: 0 4px;
  flex-wrap: wrap;
  gap: 10px;
}

.sort-control-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.sort-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
}

.sort-select {
  padding: 6px 12px;
  font-size: 0.82rem;
  cursor: pointer;
  font-weight: 500;
}

.article-count-label {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* 記事一覧カード */
.article-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.article-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 22px 26px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  display: block;
}

.article-card:hover {
  border-color: #c0c6cc;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.article-meta {
  display: flex;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.article-dates {
  display: inline-flex;
  gap: 6px;
  align-items: center;
}

.created-date {
  color: var(--text-muted);
  font-size: 0.78rem;
}

.article-tag {
  background: #f1f3f5;
  padding: 2px 8px;
  border-radius: 4px;
  color: #495057;
  font-size: 0.75rem;
}

.article-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--text-main);
}

.article-excerpt {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.loading-status {
  color: var(--text-muted);
  text-align: center;
  padding: 40px 0;
  font-size: 0.9rem;
}