/* ========================================
   News list — Ananke 互換スタイル
   ======================================== */

.news-section {
  margin: 2em 0;
}

.news-heading {
  font-size: 1.5em;
  font-weight: 600;
  margin: 0 0 0.75em 0;
  padding-bottom: 0.4em;
  border-bottom: 2px solid #e5e5e5;
  color: #111;
}

.news-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.news-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 1em;
  padding: 0.85em 0;
  border-bottom: 1px solid #eee;
  line-height: 1.6;
}

.news-item:last-child {
  border-bottom: none;
}

.news-date {
  flex: 0 0 auto;
  font-size: 0.875em;
  color: #777;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.news-text {
  flex: 1 1 20em;
  color: #333;
}

.news-text a {
  color: #357edd;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-bottom-color 0.2s ease;
}

.news-text a:hover {
  border-bottom-color: #357edd;
}

/* ========================================
   「もっと見る」の展開部分
   ======================================== */

.news-more {
  margin-top: 0.5em;
}

.news-more-toggle {
  display: inline-block;
  padding: 0.45em 1em;
  margin-top: 0.75em;
  font-size: 0.875em;
  color: #555;
  background: #f4f4f4;
  border: 1px solid #e0e0e0;
  border-radius: 3px;
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background 0.2s ease, color 0.2s ease;
}

.news-more-toggle:hover {
  background: #ebebeb;
  color: #111;
}

/* デフォルトの三角マーカーを消す */
.news-more-toggle::-webkit-details-marker {
  display: none;
}

.news-more-toggle::marker {
  content: "";
}

/* 開閉に応じてラベルを切り替える */
.news-more-close {
  display: none;
}

.news-more[open] .news-more-open {
  display: none;
}

.news-more[open] .news-more-close {
  display: inline;
}

/* 展開されたリストは上に区切り線を入れる */
.news-list-past {
  margin-top: 0.5em;
  padding-top: 0.5em;
  border-top: 1px solid #eee;
  animation: newsFadeIn 0.25s ease;
}

@keyframes newsFadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ========================================
   レスポンシブ
   ======================================== */

@media (max-width: 30em) {
  .news-item {
    flex-direction: column;
    gap: 0.2em;
    padding: 0.75em 0;
  }

  .news-text {
    flex: 1 1 auto;
  }
}

/* ========================================
   モーション軽減設定
   ======================================== */

@media (prefers-reduced-motion: reduce) {
  .news-list-past {
    animation: none;
  }
}

/* ========================================
   ダークモード
   ======================================== 

@media (prefers-color-scheme: dark) {
  .news-heading {
    color: #f0f0f0;
    border-bottom-color: #333;
  }

  .news-item {
    border-bottom-color: #2a2a2a;
  }

  .news-text {
    color: #e1e4e8;
  }

  .news-date {
    color: #999;
  }

  .news-text a {
    color: #58a6ff;
  }

  .news-text a:hover {
    border-bottom-color: #58a6ff;
  }

  .news-more-toggle {
    background: #222;
    border-color: #383838;
    color: #ccc;
  }

  .news-more-toggle:hover {
    background: #2a2a2a;
    color: #fff;
  }

  .news-list-past {
    border-top-color: #2a2a2a;
  }
}
*/