/* ========== mind_post/post_css/post.css ========== */
/* 個別記事専用スタイル（黒背景・白テキスト版） */

/* 基本設定 */
body {
  background: #0a0a0a;
  color: #ffffff;
  margin: 0;
  padding: 0;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
}

.article-container {
  max-width: 720px;
  margin: 0 auto;
  padding: 60px 24px;
}

/* 戻るリンク */
.article-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #cccccc;
  text-decoration: none;
  margin-bottom: 40px;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  transition: color 0.3s ease;
}
.article-back:hover {
  color: #ffffff;
}

/* 記事カード */
.article-card {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  backdrop-filter: none;
}

/* メタ情報 */
.article-meta {
  color: #888888;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  margin-bottom: 24px;
  text-transform: uppercase;
}

/* 記事タイトル */
.article-title {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 32px;
  letter-spacing: 0.05em;
  line-height: 1.4;
  color: #ffffff;
}

/* 記事画像 */
.article-image {
  width: 100%;
  max-height: 450px;
  object-fit: cover;
  border-radius: 8px;
  margin: 32px 0;
  display: block;
}

/* ========== SNS シェアボタン（公式 SVG ロゴ対応）========== */
.article-share {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin: 24px 0 40px;
  padding: 16px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 24px;
  color: #ffffff;
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  transition: all 0.3s ease;
  cursor: pointer;
}

.share-btn:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.4);
  transform: translateY(-2px);
}

/* SVG アイコン共通スタイル */
.share-btn .share-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  display: inline-block;
  line-height: 1;
}

.share-btn .share-icon svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
  display: block;
}

/* 各 SNS ホバー時アクセント */
.share-x:hover { border-color: #ffffff; }
.share-facebook:hover { border-color: #1877f2; }
.share-line:hover { border-color: #00c300; }
.share-hatena:hover { border-color: #00a4de; }
.share-other:hover { border-color: #FFD700; }

/* 名言ブロック（薄い黒背景） */
.article-quote {
  background: rgba(255, 255, 255, 0.05);
  border-left: 4px solid #FFD700;
  border-radius: 0 8px 8px 0;
  padding: 24px 28px;
  margin: 40px 0;
  font-style: italic;
  color: #e0e0e0;
  line-height: 1.7;
  font-size: 1.05rem;
}
.article-quote cite {
  display: block;
  margin-top: 16px;
  color: #ffffff;
  font-size: 0.95rem;
  font-style: normal;
  letter-spacing: 0.05em;
  font-weight: 500;
}
.article-quote small {
  display: block;
  margin-top: 8px;
  color: #aaaaaa;
  font-size: 0.9rem;
  font-style: normal;
}

/* 本文 */
.article-body {
  line-height: 1.9;
  color: #ffffff;
  font-size: 1.05rem;
}
.article-body p {
  margin-bottom: 24px;
}
.article-body p:last-child {
  margin-bottom: 0;
}
.article-body strong {
  color: #ffffff;
  font-weight: 600;
}
.article-body ul {
  margin: 28px 0;
  padding-left: 28px;
}
.article-body li {
  margin-bottom: 12px;
  color: #cccccc;
  line-height: 1.7;
}

/* ワンポイントボックス */
.article-note {
  margin-top: 40px;
  padding: 20px 24px;
  background: rgba(255, 215, 0, 0.08);
  border-left: 3px solid #FFD700;
  border-radius: 0 6px 6px 0;
  color: #e0e0e0;
  font-size: 0.95rem;
  line-height: 1.6;
}
.article-note em {
  color: #ffffff;
  font-style: normal;
  font-weight: 500;
}

/* TOP リンクボタン */
.article-top-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
  padding: 12px 28px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 30px;
  color: #ffffff;
  text-decoration: none;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  transition: all 0.3s ease;
}
.article-top-link:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
}

/* 50px スペーサー */
.article-spacer {
  height: 50px;
}

/* 記事ナビゲーション */
.article-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 72px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.article-nav a {
  color: #cccccc;
  text-decoration: none;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  transition: color 0.3s ease;
  padding: 8px 0;
}
.article-nav a:hover {
  color: #FFD700;
}

/* 実験中バッジ（黄色テキストのみ） */
.experimental-badge {
  position: fixed;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.7rem;
  color: #FFD700;
  letter-spacing: 0.1em;
  z-index: 100;
}

/* 通知トースト（コピー完了時） */
.copy-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: rgba(255, 215, 0, 0.95);
  color: #0a0a0a;
  padding: 12px 24px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 1000;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.copy-toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1