/* Night5クリア後 全体汚染エフェクト */

/* 彩度低下 */
body.corrupted { filter: saturate(0.4); }
body.corrupted .official-main { filter: saturate(0.5); }

/* スキャンライン強化（全ページに出現） */
body.corrupted::after {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 9998;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0,0,0,0.04) 2px, rgba(0,0,0,0.04) 4px
  );
}

/* 不規則ちらつき */
body.corrupted {
  animation: corrupted-flicker 5s infinite;
}
@keyframes corrupted-flicker {
  0%, 92%, 100% { opacity: 1; }
  93% { opacity: 0.96; }
  94% { opacity: 1; }
  95% { opacity: 0.94; }
  96% { opacity: 1; }
  97% { opacity: 0.97; }
}

/* にじみ強化 */
body.corrupted main p,
body.corrupted main li,
body.corrupted main td {
  text-shadow: 0.5px 0 0 rgba(0,50,100,0.12),
               -0.5px 0 0 rgba(100,0,0,0.12);
}

/* フォント化け */
body.corrupted .post-body,
body.corrupted .news-item {
  font-family: monospace, sans-serif;
}

/* ランダムグリッチ用 */
.glitch-flash {
  animation: glitch-random 0.3s linear;
}
@keyframes glitch-random {
  0% { filter: none; }
  20% { filter: hue-rotate(90deg) saturate(2); }
  40% { filter: invert(0.5); }
  60% { filter: hue-rotate(180deg) contrast(1.5); }
  80% { filter: none; }
  100% { filter: none; }
}

/* 黒い消失矩形 */
.corruption-block {
  position: fixed;
  background: #000;
  z-index: 9990;
  pointer-events: none;
}