:root {
  /* 日本向け最適化カラー ＆ 共通デザイン定数 */
  --font-main: 'Outfit', 'Noto Sans JP', sans-serif;
  --panel-bg: rgba(255, 255, 255, 0.03);
  --border-color: rgba(255, 255, 255, 0.08);
  --shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.45);
  
  /* アイテム・ギミックの共通カラー */
  --color-hero: #00e5ff;
  --color-monster: #ff3b30;
  --color-potion: #2ecc71;
  --color-sword: #f1c40f;
  --color-key: #3498db;
  --color-door: #e67e22;
  --color-chest: #9b59b6;
  --color-trap: #95a5a6;
  --color-warp: #a855f7;
  --accent-neon: #10B981;
}

/* ─── 4大エリア背景グラデーション ─── */
body.bg-area-1 {
  background: radial-gradient(circle at top, #112A1D 0%, #08140E 100%);
  --accent-neon: #10B981;
}
body.bg-area-2 {
  background: radial-gradient(circle at top, #2D0B0B 0%, #120303 100%);
  --accent-neon: #EF4444;
}
body.bg-area-3 {
  background: radial-gradient(circle at top, #0A1C2A 0%, #030914 100%);
  --accent-neon: #06B6D4;
}
body.bg-area-4 {
  background: radial-gradient(circle at top, #14002A 0%, #050010 100%);
  --accent-neon: #A855F7;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-user-select: none;
}

body {
  color: #ffffff;
  font-family: var(--font-main);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  touch-action: none;
  overscroll-behavior: none;
  padding: 10px;
  transition: background 0.6s ease;
}

#game-container {
  width: 100%;
  max-width: 400px;
  height: 94vh;
  max-height: 760px;
  border-radius: 24px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  overflow: hidden;
  will-change: transform;
  border: 1.5px solid rgba(0, 229, 255, 0.25);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 15px rgba(0, 229, 255, 0.15), inset 0 0 10px rgba(255, 0, 127, 0.05);
  background: rgba(18, 18, 24, 0.7);
}

/* すりガラスUI (Glassmorphism) */
.glass-panel {
  background: var(--panel-bg);
  backdrop-filter: blur(18px) saturate(130%);
  -webkit-backdrop-filter: blur(18px) saturate(130%);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
}

/* ─── 上部: ステータス ＆ 階層表示 ─── */
.header-section {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0, 0, 0, 0.18);
  border-radius: 14px;
  padding: 6px 12px;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.ui-label {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.6);
  display: block;
}

.status-value {
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  font-size: 1.1rem;
}

.highlight-text {
  color: var(--accent-neon);
  text-shadow: 0 0 8px var(--accent-neon);
}

/* アーティファクトスロット行 */
.artifact-slots-row {
  margin-top: -2px;
  padding: 4px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.art-badge-container {
  display: flex;
  gap: 10px;
}

.art-section-label {
  font-size: 0.65rem;
}

/* 勇者ステータス詳細パネル */
.hero-status-panel {
  padding: 12px 14px;
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.05);
  border: 1.5px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25), inset 0 0 10px rgba(255,255,255,0.02);
}

.hero-status-row {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.hero-status-row.first-row {
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 6px;
  margin-bottom: 2px;
}

.hero-lv-label {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 900;
  font-size: 0.85rem;
  color: var(--color-hero);
  text-shadow: 0 0 8px rgba(0, 229, 255, 0.4);
}

.hero-atk-badge {
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  font-size: 0.72rem;
  background: rgba(241, 196, 15, 0.12);
  border: 1px solid rgba(241, 196, 15, 0.35);
  padding: 3px 8px;
  border-radius: 6px;
  box-shadow: 0 0 8px rgba(241, 196, 15, 0.25);
  display: flex;
  align-items: center;
  gap: 4px;
}

.status-bar-label {
  font-family: 'Outfit', sans-serif;
  font-size: 0.65rem;
  font-weight: 900;
  color: #3498db;
  text-shadow: 0 0 4px rgba(52, 152, 219, 0.3);
  width: 42px;
  flex-shrink: 0;
}

.status-bar-label.fever-label {
  color: #ff007f;
  text-shadow: 0 0 4px rgba(255, 0, 127, 0.3);
}

.status-bar-label.hp-label {
  color: #2ecc71;
  text-shadow: 0 0 4px rgba(46, 204, 113, 0.3);
}

/* ─── 各種バー ─── */
.exp-bar-wrap, .fever-bar-wrap, .hp-bar-wrap {
  flex-grow: 1;
  height: 10px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 5px;
  position: relative;
  overflow: hidden;
}

.exp-bar-wrap {
  border: 0.5px solid rgba(52, 152, 219, 0.25);
}

.exp-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #3498db, #00e5ff);
  border-radius: 5px;
  transition: width 0.3s ease-out;
}

.exp-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Outfit', sans-serif;
  font-size: 0.5rem;
  font-weight: 900;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0,0,0,0.6);
  pointer-events: none;
}

.hp-bar-wrap {
  border: 0.5px solid rgba(46, 204, 113, 0.25);
  box-shadow: 0 0 5px rgba(46, 204, 113, 0.15);
}

.hp-bar-fill {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, #2ecc71, #27ae60);
  border-radius: 5px;
  transition: width 0.25s ease-out, background 0.5s ease;
}

.hp-bar-prediction {
  position: absolute;
  top: 0;
  height: 100%;
  background: rgba(255, 59, 48, 0.7);
  box-shadow: 0 0 8px rgba(255, 59, 48, 0.6);
  transition: width 0.2s ease, left 0.2s ease;
  width: 0%;
  left: 100%;
  pointer-events: none;
  border-radius: 5px;
}

/* HP死亡予測時のHPバー外枠の危機的警告明滅 */
.hp-bar-wrap.death-warning {
  border-color: #ff3b30 !important;
  box-shadow: 0 0 12px rgba(255, 59, 48, 0.9) !important;
  animation: hpBarDeathPulse 0.4s infinite alternate ease-in-out !important;
}

@keyframes hpBarDeathPulse {
  0% { background: rgba(255, 59, 48, 0.05); }
  100% { background: rgba(255, 59, 48, 0.35); }
}

.hp-bar-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Outfit', sans-serif;
  font-size: 0.5rem;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 1px 3px rgba(0,0,0,0.7);
  pointer-events: none;
  white-space: nowrap;
}

.fever-bar-wrap {
  border: 0.5px solid rgba(255, 0, 127, 0.25);
  box-shadow: 0 0 5px rgba(255, 0, 127, 0.15);
}

.fever-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #ff007f, #ff00ff);
  border-radius: 5px;
  transition: width 0.3s ease-out;
}

.fever-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Outfit', sans-serif;
  font-size: 0.5rem;
  font-weight: 900;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0,0,0,0.6);
  pointer-events: none;
}

/* ─── 行動予測パネル ─── */
.action-preview-panel {
  border-radius: 16px;
  padding: 8px 12px;
  flex-shrink: 0;
  min-height: 70px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.preview-default {
  text-align: center;
}

.preview-hint {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.68rem;
  color: rgba(255,255,255,0.45);
}

.preview-grid {
  display: flex;
  justify-content: space-around;
}

.preview-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.preview-label {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.58rem;
  color: rgba(255,255,255,0.5);
}

.preview-val {
  font-family: 'Outfit', sans-serif;
  font-size: 0.88rem;
  font-weight: 900;
}

#battle-log-view {
  width: 100%;
  height: 100%;
  overflow-y: auto;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.75rem;
  line-height: 1.4;
  color: #e2d9f3;
  padding-right: 4px;
}

/* ─── グリッドセクション ─── */
.grid-section-wrap {
  flex: 1;
  position: relative;
  width: 100%;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 20px;
  padding: 6px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 4px 10px rgba(0,0,0,0.3);
  transform-style: preserve-3d;
  transition: transform 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
  will-change: transform;
}

#neon-canvas {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 5;
}

.grid-layout {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(5, 1fr);
  gap: 5px;
  width: 100%;
  height: 100%;
  position: relative;
  z-index: 10;
}

/* HTMLのid属性で指定されているので両方対応 */
#grid-container {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(5, 1fr);
  gap: 5px;
  width: 100%;
  height: 100%;
  position: relative;
  z-index: 10;
}

/* ─── グリッドパネル共通 ─── */
.grid-panel {
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: grab;
  transition: transform 0.2s cubic-bezier(0.18, 0.89, 0.32, 1.28),
              box-shadow 0.2s ease,
              border-color 0.2s ease,
              filter 0.2s ease;
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  overflow: visible;
  border: 1.5px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
}

.grid-panel:hover:not(.selected) {
  transform: translateY(-2px) scale(1.04);
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4), 0 0 10px rgba(255, 255, 255, 0.15);
}

.grid-panel:active {
  cursor: grabbing;
}

.panel-icon {
  font-size: 1.75rem;
  margin-bottom: 2px;
  pointer-events: none;
  line-height: 1;
  transition: transform 0.2s ease;
}

.grid-panel:hover .panel-icon {
  transform: scale(1.15);
}

.panel-val {
  font-size: 0.68rem;
  text-shadow: 0 1px 3px rgba(0,0,0,0.8);
  pointer-events: none;
  line-height: 1;
  font-weight: 700;
}

/* ─── パネルタイプ別スタイル (単一定義) ─── */
.panel-hero {
  background: radial-gradient(circle, #00e5ff 0%, #00838f 100%);
  border-color: var(--color-hero);
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.5), inset 0 0 6px rgba(255,255,255,0.3);
  animation: panelPulseHero 2.0s infinite alternate;
}

@keyframes panelPulseHero {
  0% { box-shadow: 0 0 6px rgba(0, 229, 255, 0.4); }
  100% { box-shadow: 0 0 18px rgba(0, 229, 255, 0.7); }
}

.panel-monster {
  background: radial-gradient(circle, #ff6b6b 0%, #b71c1c 100%);
  border-color: rgba(255, 59, 48, 0.5);
  box-shadow: 0 0 8px rgba(255, 59, 48, 0.3), inset 0 0 4px rgba(255, 59, 48, 0.1);
}

.panel-boss {
  background: radial-gradient(circle, #ff4757 0%, #570000 100%);
  border-color: #ff007f;
  box-shadow: 0 0 14px rgba(255, 0, 127, 0.6), inset 0 0 6px rgba(255, 0, 127, 0.3);
  animation: bossNeonPulse 1.2s infinite alternate ease-in-out;
}

@keyframes bossNeonPulse {
  0% { border-color: #ff007f; box-shadow: 0 0 8px rgba(255, 0, 127, 0.4), inset 0 0 4px rgba(255, 0, 127, 0.2); }
  100% { border-color: #ff00ff; box-shadow: 0 0 20px rgba(255, 0, 255, 0.8), inset 0 0 8px rgba(255, 0, 255, 0.4); }
}

.panel-potion {
  background: radial-gradient(circle, #a8e6cf 0%, #1b5e20 100%);
  border-color: rgba(46, 204, 113, 0.5);
  box-shadow: 0 0 8px rgba(46, 204, 113, 0.3), inset 0 0 4px rgba(46, 204, 113, 0.1);
}

.panel-sword {
  background: radial-gradient(circle, #ffd3b6 0%, #e65100 100%);
  border-color: rgba(241, 196, 15, 0.5);
  box-shadow: 0 0 8px rgba(241, 196, 15, 0.3), inset 0 0 4px rgba(241, 196, 15, 0.1);
}

.panel-key {
  background: radial-gradient(circle, #90caf9 0%, #0d47a1 100%);
  border-color: rgba(52, 152, 219, 0.5);
  box-shadow: 0 0 8px rgba(52, 152, 219, 0.3), inset 0 0 4px rgba(52, 152, 219, 0.1);
}

.panel-door {
  background: radial-gradient(circle, #ffcc80 0%, #e65100 100%);
  border-color: rgba(230, 126, 34, 0.5);
  box-shadow: 0 0 8px rgba(230, 126, 34, 0.3), inset 0 0 4px rgba(230, 126, 34, 0.1);
}

.panel-chest {
  background: radial-gradient(circle, #e1bee7 0%, #4a148c 100%);
  border-color: rgba(155, 89, 182, 0.5);
  box-shadow: 0 0 8px rgba(155, 89, 182, 0.3), inset 0 0 4px rgba(155, 89, 182, 0.1);
}

.panel-towel {
  background: radial-gradient(circle, #fc6767 0%, #ec008c 100%);
  border-color: rgba(236, 0, 140, 0.6);
  box-shadow: 0 0 10px rgba(236, 0, 140, 0.3), inset 0 0 5px rgba(236, 0, 140, 0.15);
}

.panel-trap {
  background: radial-gradient(circle, #8e9eab 0%, #eef2f3 100%);
  border-color: rgba(142, 158, 171, 0.4);
  box-shadow: 0 0 6px rgba(142, 158, 171, 0.15);
}

.panel-trap::before {
  content: "⚠️";
  position: absolute;
  top: 3px;
  left: 3px;
  font-size: 0.8rem;
  animation: trapPulseRed 1.0s infinite alternate ease-in-out;
}

@keyframes trapPulseRed {
  0% { transform: scale(0.95); opacity: 0.65; filter: drop-shadow(0 0 1px #ff3b30); }
  100% { transform: scale(1.15); opacity: 1.0; filter: drop-shadow(0 0 5px #ff3b30); }
}

.panel-warp {
  background: radial-gradient(circle, #d1c4e9 0%, #311b92 100%);
  border-color: rgba(168, 85, 247, 0.5);
  box-shadow: 0 0 8px rgba(168, 85, 247, 0.3), inset 0 0 4px rgba(168, 85, 247, 0.1);
  animation: panelWarpBreath 1.8s infinite alternate ease-in-out;
}

@keyframes panelWarpBreath {
  0% { transform: scale(1.0); }
  100% { transform: scale(1.04); box-shadow: 0 0 14px rgba(168, 85, 247, 0.5); }
}

/* 選択中 (なぞり中) */
.grid-panel.selected {
  transform: scale(1.08);
  border-color: #ff007f !important;
  box-shadow: 0 0 18px rgba(255, 0, 127, 0.9), inset 0 0 8px rgba(255, 0, 127, 0.5) !important;
  animation: panelPulseSelected 0.8s infinite alternate ease-in-out !important;
  z-index: 50;
}

@keyframes panelPulseSelected {
  0% { transform: scale(1.06); filter: brightness(1.0); }
  100% { transform: scale(1.12); filter: brightness(1.4); }
}

/* ドラッグ中の隣接可能セル */
.grid-panel.target-connectable {
  outline: 2px dashed rgba(255, 0, 127, 0.7);
  outline-offset: 1px;
}

/* ─── アニメーション・特殊エフェクト ─── */
@keyframes floatUpFade {
  0% { opacity: 0; transform: translateY(15px) scale(0.6); }
  20% { opacity: 1; transform: translateY(0) scale(1.15); }
  85% { opacity: 1; }
  100% { opacity: 0; transform: translateY(-35px) scale(0.8); }
}

.floating-dmg {
  position: absolute;
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  font-size: 1.1rem;
  text-shadow: 0 0 4px #000, 0 0 10px var(--glow-c);
  pointer-events: none;
  animation: floatUpFade 0.78s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
  z-index: 100;
  will-change: transform, opacity; /* ✅ GPUアクセラレーションの強制 */
  backface-visibility: hidden;    /* ✅ 3D合成レイヤーとしての最適化 */
  transform: translate3d(0, 0, 0); /* ✅ 合成レイヤー構築を明示 */
}

#floating-text-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 100;
}

/* 被ダメージ赤フラッシュ */
.damage-flash {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 0, 0, 0.28);
  pointer-events: none;
  opacity: 0;
  z-index: 120;
  border-radius: 24px;
}

.damage-flash-active {
  animation: screenRedFlash 0.25s ease-out;
}

@keyframes screenRedFlash {
  0% { opacity: 1; }
  100% { opacity: 0; }
}

/* レベルアップ 3Dネオン回転 */
.level-up-container {
  position: absolute;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 200;
  pointer-events: none;
}

.level-up-text {
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  font-size: 2.2rem;
  color: #ffffff;
  text-shadow: 0 0 10px #00ffff, 0 0 20px #00ffff, 0 0 40px #007fff;
  animation: levelUpSpin 1.8s cubic-bezier(0.19, 1, 0.22, 1) forwards;
}

@keyframes levelUpSpin {
  0% { transform: scale(0.2) rotateY(270deg); opacity: 0; }
  40% { transform: scale(1.15) rotateY(0deg); opacity: 1; }
  70% { transform: scale(1.0) rotateY(0deg); opacity: 1; }
  100% { transform: scale(1.0) translateY(-25px); opacity: 0; }
}

/* フィーバー発動テキスト */
.fever-overlay-text {
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  font-size: 2.2rem;
  color: #ffffff;
  text-shadow: 0 0 10px #ff007f, 0 0 20px #ff007f, 0 0 40px #ff00ff;
  animation: levelUpSpin 0.6s cubic-bezier(0.19, 1, 0.22, 1) forwards;
}

/* 🌈 フィーバータイム中のゲームコンテナ発光 */
#game-container.fever-active {
  animation: containerFeverNeon 1.5s infinite alternate ease-in-out;
  border-color: #ff007f;
}

@keyframes containerFeverNeon {
  0% { box-shadow: 0 0 15px rgba(255, 0, 127, 0.2), var(--shadow); }
  100% { box-shadow: 0 0 35px rgba(255, 0, 255, 0.6), var(--shadow); }
}

/* フィーバー中のグリッドネオン枠明滅 */
.fever-active .grid-section-wrap {
  border-color: #ff00ff !important;
  box-shadow: inset 0 4px 10px rgba(0,0,0,0.3), 0 0 16px rgba(255, 0, 255, 0.4) !important;
}

/* ─── モーダル ─── */
.modal-overlay {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.72);
  border-radius: 24px;
  z-index: 300;
  align-items: center;
  justify-content: center;
  padding: 12px;
}

.modal-content {
  width: 90%;
  max-width: 320px;
  border-radius: 20px;
  padding: 18px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 10px;
  animation: modalPopIn 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes modalPopIn {
  0% { transform: scale(0.8); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.modal-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.6rem;
  font-weight: 900;
  letter-spacing: 0.06em;
}

.modal-subtitle {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.5;
}

@keyframes textGlowRed {
  0% { text-shadow: 0 0 6px rgba(255, 59, 48, 0.4), 0 0 12px rgba(255, 59, 48, 0.2); }
  100% { text-shadow: 0 0 14px rgba(255, 59, 48, 0.8), 0 0 24px rgba(255, 59, 48, 0.4); }
}
@keyframes textGlowBlue {
  0% { text-shadow: 0 0 6px rgba(0, 229, 255, 0.4), 0 0 12px rgba(0, 229, 255, 0.2); }
  100% { text-shadow: 0 0 14px rgba(0, 229, 255, 0.8), 0 0 24px rgba(0, 229, 255, 0.4); }
}
@keyframes textGlowGold {
  0% { text-shadow: 0 0 6px rgba(241, 196, 15, 0.4), 0 0 12px rgba(241, 196, 15, 0.2); }
  100% { text-shadow: 0 0 14px rgba(241, 196, 15, 0.8), 0 0 24px rgba(241, 196, 15, 0.4); }
}
@keyframes textGlowPink {
  0% { text-shadow: 0 0 6px rgba(255, 0, 127, 0.3), 0 0 12px rgba(255, 0, 127, 0.15); }
  100% { text-shadow: 0 0 14px rgba(255, 0, 127, 0.7), 0 0 24px rgba(255, 0, 127, 0.35); }
}

.text-neon-red {
  color: #ff3b30;
  animation: textGlowRed 1.5s infinite alternate ease-in-out;
}

.text-neon-blue {
  color: #00e5ff;
  animation: textGlowBlue 1.5s infinite alternate ease-in-out;
}

.text-neon-gold {
  color: #f1c40f;
  animation: textGlowGold 1.5s infinite alternate ease-in-out;
}

.text-neon-pink {
  color: #ff007f;
  animation: textGlowPink 1.5s infinite alternate ease-in-out;
}

/* ショップ */
.shop-gold-status {
  background: rgba(0,0,0,0.25);
  border-radius: 10px;
  padding: 6px 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  font-weight: 700;
}

.gold-amount {
  color: #f1c40f;
  font-weight: 900;
}

.shop-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 220px;
  overflow-y: auto;
  padding-right: 2px;
}

.shop-item {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 8px 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid rgba(255,255,255,0.06);
}

.shop-info {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.shop-item-title {
  font-size: 0.78rem;
  font-weight: 900;
}

.shop-item-desc {
  font-size: 0.58rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 2px;
}

/* ボタン共通 */
.buy-btn {
  background: linear-gradient(135deg, #a855f7, #7c3aed);
  border: none;
  border-radius: 8px;
  padding: 6px 10px;
  color: #fff;
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  font-size: 0.78rem;
  cursor: pointer;
  box-shadow: 0 3px 0 #5b21b6;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.buy-btn:hover:not(:disabled) {
  background: linear-gradient(135deg, #c084fc, #8b5cf6);
  box-shadow: 0 4px 0 #5b21b6, 0 0 12px rgba(168, 85, 247, 0.6);
  transform: translateY(-1px);
}
.buy-btn:active:not(:disabled) {
  transform: translateY(2px);
  box-shadow: 0 1px 0 #5b21b6;
}
.buy-btn:disabled {
  background: #555;
  box-shadow: none;
  opacity: 0.5;
  cursor: not-allowed;
}

.action-btn {
  background: linear-gradient(135deg, #ff3b30, #c0392b);
  border: none;
  border-radius: 14px;
  padding: 10px;
  font-family: var(--font-main);
  font-weight: 900;
  font-size: 0.95rem;
  color: #fff;
  cursor: pointer;
  box-shadow: 0 4px 0 #7b1d16;
  transition: all 0.15s ease;
}
.action-btn:hover {
  background: linear-gradient(135deg, #ff6b6b, #e74c3c);
  box-shadow: 0 5px 0 #7b1d16, 0 0 15px rgba(255, 59, 48, 0.5);
  transform: translateY(-1px);
}
.action-btn:active {
  transform: translateY(3px);
  box-shadow: 0 1px 0 #7b1d16;
}

/* クリアモーダル用のアクションボタン（青系） */
#next-floor-btn.action-btn {
  background: linear-gradient(135deg, #00e5ff, #0097a7);
  box-shadow: 0 4px 0 #006064;
}
#next-floor-btn.action-btn:active {
  box-shadow: 0 1px 0 #006064;
}

/* クリア統計 */
.clear-stats {
  background: rgba(0,0,0,0.2);
  border-radius: 10px;
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.clear-stat-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
}

/* ビクトリー統計 */
.victory-stats {
  display: flex;
  justify-content: space-around;
  background: rgba(0,0,0,0.2);
  border-radius: 10px;
  padding: 8px;
}

.victory-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.victory-label {
  font-size: 0.6rem;
  color: rgba(255,255,255,0.6);
}

.victory-val {
  font-size: 1.0rem;
  font-weight: 900;
  color: #f1c40f;
}

/* ─── アーティファクトバッジ ─── */
.art-badge {
  font-size: 1.35rem;
  cursor: help;
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  display: inline-block;
  padding: 4px;
  border-radius: 50%;
  border: 1px solid transparent;
  margin: 0 4px;
}

.art-badge.locked {
  opacity: 0.25;
  filter: grayscale(1) blur(0.3px);
  border: 1px dashed rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.02);
}

.art-badge.unlocked {
  opacity: 1;
  filter: grayscale(0);
  transform: scale(1.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.06);
}

#art-fang.unlocked {
  animation: artPulseRed 2.0s infinite alternate ease-in-out;
}
#art-hourglass.unlocked {
  animation: artPulseGold 2.0s infinite alternate ease-in-out;
}
#art-boots.unlocked {
  animation: artPulseCyan 2.0s infinite alternate ease-in-out;
}
#art-towel.unlocked {
  animation: artPulseMagenta 2.0s infinite alternate ease-in-out;
}
#art-sword.unlocked {
  animation: artPulseOrange 2.0s infinite alternate ease-in-out;
}
#art-chalice.unlocked {
  animation: artPulseGold 2.0s infinite alternate ease-in-out;
}

@keyframes artPulseRed {
  0% { transform: scale(1.1); filter: drop-shadow(0 0 3px rgba(255, 59, 48, 0.6)); }
  100% { transform: scale(1.22); filter: drop-shadow(0 0 10px rgba(255, 59, 48, 0.9)); }
}
@keyframes artPulseGold {
  0% { transform: scale(1.1); filter: drop-shadow(0 0 3px rgba(241, 196, 15, 0.6)); }
  100% { transform: scale(1.22); filter: drop-shadow(0 0 10px rgba(241, 196, 15, 0.9)); }
}
@keyframes artPulseCyan {
  0% { transform: scale(1.1); filter: drop-shadow(0 0 3px rgba(0, 229, 255, 0.6)); }
  100% { transform: scale(1.22); filter: drop-shadow(0 0 10px rgba(0, 229, 255, 0.9)); }
}
@keyframes artPulseMagenta {
  0% { transform: scale(1.1); filter: drop-shadow(0 0 3px rgba(255, 0, 127, 0.6)); }
  100% { transform: scale(1.22); filter: drop-shadow(0 0 10px rgba(255, 0, 127, 0.9)); }
}
@keyframes artPulseOrange {
  0% { transform: scale(1.1); filter: drop-shadow(0 0 3px rgba(230, 126, 34, 0.6)); }
  100% { transform: scale(1.22); filter: drop-shadow(0 0 10px rgba(230, 126, 34, 0.9)); }
}

/* ─── 設定バー ─── */
.settings-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2px 4px;
  flex-shrink: 0;
}

.control-btn {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  padding: 5px 12px;
  color: #fff;
  font-family: 'Outfit', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s;
}
.control-btn:active {
  background: rgba(255,255,255,0.15);
}

.footer-copy {
  font-size: 0.6rem;
  color: rgba(255,255,255,0.3);
}

/* ─── トーストメッセージ ─── */
.toast-message {
  position: absolute;
  bottom: 24%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(13, 3, 20, 0.88);
  border: 1px solid rgba(255, 0, 127, 0.4);
  color: #fff;
  padding: 8px 16px;
  border-radius: 12px;
  font-size: 0.72rem;
  font-weight: 700;
  font-family: 'Noto Sans JP', sans-serif;
  pointer-events: none;
  z-index: 400;
  box-shadow: 0 4px 15px rgba(255, 0, 127, 0.2);
  transition: opacity 0.4s ease-out;
  white-space: nowrap;
}

/* ─── スタート画面 ─── */
#start-overlay {
  display: flex;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(13, 3, 20, 0.96);
  z-index: 500;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: #fff;
  text-align: center;
  padding: 20px;
}

.start-content {
  width: 100%;
  max-width: 340px;
  border-radius: 22px;
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
}

.start-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.9rem;
  font-weight: 900;
  line-height: 1.2;
  background: linear-gradient(135deg, #00ffff, #ff007f);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: titleNeonPulse 1.5s infinite alternate ease-in-out;
}

@keyframes titleNeonPulse {
  0% { filter: drop-shadow(0 0 4px #00ffff); }
  100% { filter: drop-shadow(0 0 12px #ff007f); }
}

.start-desc {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  text-align: left;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.8);
}

.feature-icon {
  font-size: 1rem;
  flex-shrink: 0;
}

.start-btn {
  background: linear-gradient(185deg, #00e5ff, #00838f);
  border: none;
  border-radius: 16px;
  padding: 12px 42px;
  font-family: var(--font-main);
  font-size: 1.1rem;
  font-weight: 900;
  color: white;
  cursor: pointer;
  box-shadow: 0 5px 0 #005662, 0 10px 20px rgba(0, 229, 255, 0.35);
  transition: all 0.1s ease;
  width: 100%;
}
.start-btn:active {
  transform: translateY(3px);
  box-shadow: 0 2px 0 #005662, 0 4px 8px rgba(0, 229, 255, 0.35);
}

.start-note {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.6rem;
  color: rgba(255,255,255,0.4);
}

/* ─── 案内手アニメーション ─── */
.guide-hand {
  position: absolute;
  font-size: 1.4rem;
  pointer-events: none;
  z-index: 80;
  display: none;
}

@keyframes handDragMove {
  0% { transform: translate(0, 0) scale(1); opacity: 0; }
  15% { opacity: 1; }
  50% { transform: translate(var(--drag-dx, 80px), var(--drag-dy, 0px)) scale(0.95); opacity: 1; }
  85% { opacity: 1; }
  100% { transform: translate(var(--drag-dx, 80px), var(--drag-dy, 0px)) scale(0.95); opacity: 0; }
}

/* ─── 色ユーティリティ ─── */
.font-outfit { font-family: 'Outfit', sans-serif; }
.font-noto { font-family: 'Noto Sans JP', sans-serif; }
.gold-text { color: #f1c40f; }
.key-text { color: #3498db; }
.hp-text { color: #e74c3c; }
.atk-text { color: #3498db; }
.dmg-val { color: #e74c3c; font-weight: 700; }
.exp-val { color: #2ecc71; font-weight: 700; }
.gold-val { color: #f1c40f; font-weight: 700; }

/* ─── リアルタイム盤面予測バッジ ─── */
.panel-prediction-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.52rem;
  font-weight: 900;
  padding: 2px 5px;
  border-radius: 6px;
  pointer-events: none;
  background: rgba(10, 10, 15, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.15);
  z-index: 10;
  opacity: 0;
  transform: scale(0.7);
  transition: all 0.18s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 3px 6px rgba(0,0,0,0.6);
}

.panel-prediction-badge.active {
  opacity: 1;
  transform: scale(1);
}

.badge-dmg {
  color: #ff3b30;
  border-color: #ff3b30;
  box-shadow: 0 0 8px rgba(255, 59, 48, 0.45);
}

/* 💀死亡予測時はベタ塗りの警告色にして視認性を最大化 */
.badge-dmg.death-warning-badge {
  background: #ff3b30 !important;
  color: #fff !important;
  border-color: #fff !important;
  box-shadow: 0 0 12px #ff3b30 !important;
  animation: deathBadgeFlash 0.3s infinite alternate ease-in-out;
}

@keyframes deathBadgeFlash {
  0% { transform: scale(1); }
  100% { transform: scale(1.1); }
}

.badge-heal {
  color: #00ff66;
  border-color: #00ff66;
  box-shadow: 0 0 8px rgba(0, 255, 102, 0.45);
}

.badge-buff {
  color: #ffd700;
  border-color: #ffd700;
  box-shadow: 0 0 8px rgba(255, 215, 0, 0.45);
}

/* ─── v3.0.0 新規: サイバーネオン背景 ─── */
@keyframes gridScroll {
  0% { background-position: 0 0, 0 0, 0 0; }
  100% { background-position: 0 0, 40px 40px, 40px 40px; }
}

.cyber-bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    linear-gradient(rgba(18, 18, 24, 0.96) 60%, rgba(18, 18, 24, 0.90)),
    linear-gradient(90deg, rgba(255, 0, 127, 0.05) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 0, 127, 0.05) 1px, transparent 1px);
  background-size: 100% 100%, 40px 40px, 40px 40px;
  z-index: -10;
  pointer-events: none;
  overflow: hidden;
  animation: gridScroll 15s linear infinite;
}

.cyber-bg-grid::after {
  content: " ";
  display: block;
  position: absolute;
  top: 0; left: 0; bottom: 0; right: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.15) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.03), rgba(0, 255, 0, 0.01), rgba(0, 0, 255, 0.03));
  z-index: 2;
  background-size: 100% 4px, 6px 100%;
  pointer-events: none;
}

/* フィーバー時の背景ネオンパルスアニメーション */
.fever-active ~ .cyber-bg-grid {
  animation: gridScroll 3s linear infinite, cyberPulse 2s infinite ease-in-out;
  background-image: 
    linear-gradient(rgba(18, 18, 24, 0.88) 30%, rgba(18, 18, 24, 0.75)),
    linear-gradient(90deg, rgba(0, 255, 255, 0.15) 1px, transparent 1px),
    linear-gradient(0deg, rgba(0, 255, 255, 0.15) 1px, transparent 1px);
}

@keyframes cyberPulse {
  0% { opacity: 0.8; transform: scale(1.0); }
  50% { opacity: 1.0; transform: scale(1.01); filter: hue-rotate(10deg); }
  100% { opacity: 0.8; transform: scale(1.0); }
}


/* 🛡️ シールドバリア付きモンスターのネオン演出 ─── */
.panel-shield-active {
  box-shadow: 0 0 10px rgba(0, 191, 255, 0.6) !important;
  border-color: rgba(0, 191, 255, 0.8) !important;
}

/* シールドバリアアイコンバッジ */
.shield-badge {
  position: absolute;
  bottom: 2px;
  left: 2px;
  font-size: 0.55rem;
  background: rgba(0, 191, 255, 0.8);
  color: white;
  padding: 0px 2px;
  border-radius: 3px;
  font-weight: bold;
  box-shadow: 0 0 4px rgba(0, 191, 255, 0.5);
  pointer-events: none;
  z-index: 5;
}

/* ⚠️ エラー明滅（鍵不足時などの警告） ─── */
.panel-error-shake {
  animation: errorShake 0.4s ease-in-out !important;
  border-color: #ff3b30 !important;
  box-shadow: 0 0 15px rgba(255, 59, 48, 0.8) !important;
  background: rgba(255, 59, 48, 0.15) !important;
}

@keyframes errorShake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-4px); }
  40%, 80% { transform: translateX(4px); }
}

/* ─── v3.1.0 デバイス別レスポンシブ制御 ─── */

/* デフォルト：スマホ/タブレット向け（縦並び・PC用要素非表示） */
#main-layout-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  padding: 8px;
  box-sizing: border-box;
}

.pc-only {
  display: none !important; /* スマホ版ではPC用サイドバーを非表示 */
}

/* PC版：横長ディスプレイ向け（3カラム配置） */
@media (min-width: 1024px) {
  #main-layout-wrapper {
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 20px;
    max-width: 1200px;
    height: 96vh;
    margin: 2vh auto;
    padding: 0 10px;
    box-sizing: border-box;
  }

  .pc-only {
    display: flex !important;
  }

  /* 中央ゲームボードの固定幅（PCでの比率維持） */
  #game-container {
    width: 360px !important;
    height: 90vh !important;
    max-height: 680px !important;
    flex-shrink: 0;
    margin: 0 !important;
  }

  /* サイドパネル共通 */
  .sidebar-panel {
    width: 320px;
    height: 90vh;
    max-height: 680px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    padding: 16px 20px;
    box-sizing: border-box;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(18, 18, 24, 0.6);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  }

  #pc-left-sidebar {
    border-color: rgba(255, 0, 127, 0.15);
    box-shadow: 0 0 15px rgba(255, 0, 127, 0.05);
  }

  #pc-right-sidebar {
    border-color: rgba(0, 191, 255, 0.15);
    box-shadow: 0 0 15px rgba(0, 191, 255, 0.05);
  }

  .sidebar-title {
    font-size: 1.05rem;
    font-weight: 900;
    margin: 4px 0 6px 0;
    letter-spacing: 1px;
    text-align: center;
  }

  .sidebar-subtitle {
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.4);
    text-align: center;
    margin: 0 0 16px 0;
    line-height: 1.4;
  }

  .sidebar-gold-status {
    background: rgba(0, 0, 0, 0.3);
    padding: 8px 12px;
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    margin-bottom: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
  }

  .sidebar-note {
    font-size: 0.55rem;
    color: rgba(255, 255, 255, 0.35);
    text-align: center;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
  }

  /* 💻 PC用モニターセクション */
  .monitor-section {
    margin-bottom: 20px;
  }

  .monitor-subtitle {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    margin: 0 0 8px 0;
    letter-spacing: 0.5px;
    border-left: 2px solid #00bfff;
    padding-left: 6px;
  }

  .stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .stats-item {
    background: rgba(0, 0, 0, 0.25);
    padding: 8px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    display: flex;
    flex-direction: column;
  }

  .stats-label {
    font-size: 0.55rem;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 2px;
  }

  .stats-value {
    font-family: 'Outfit', sans-serif;
    font-size: 1.15rem;
    font-weight: 900;
    color: #fff;
    text-shadow: 0 0 6px rgba(255, 255, 255, 0.25);
    line-height: 1.1;
  }

  /* 💻 リアルタイムログターミナル */
  .log-section {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
  }

  .log-terminal {
    flex-grow: 1;
    height: 180px;
    background: rgba(8, 8, 12, 0.85);
    border: 1px solid rgba(0, 191, 255, 0.25);
    border-radius: 12px;
    padding: 12px;
    font-family: 'Outfit', 'Courier New', Courier, monospace;
    font-size: 0.62rem;
    line-height: 1.6;
    scroll-behavior: smooth;
    overflow-y: auto;
    color: rgba(255, 255, 255, 0.85);
    box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.9), 0 0 10px rgba(0, 191, 255, 0.05);
    text-shadow: 0 0 2px rgba(255, 255, 255, 0.1);
  }

  .terminal-line {
    margin-bottom: 5px;
    word-break: break-all;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.04);
    padding-bottom: 3px;
    display: flex;
    align-items: flex-start;
    gap: 6px;
  }

  .log-prompt {
    color: #00ffcc;
    font-weight: bold;
    flex-shrink: 0;
  }

  .terminal-line.system-msg { color: rgba(255, 255, 255, 0.45); }
  .terminal-line.gain-msg { color: #f1c40f; }
  .terminal-line.damage-msg { color: #ff3b30; }
  .terminal-line.level-msg { color: #2ecc71; font-weight: 900; }
  .terminal-line.fever-msg { color: #ff00ff; font-weight: 900; }

  /* 💻 PC版でのゲームオーバーモーダルのショップ二重表示防止 */
  #shop-modal .shop-list,
  #shop-modal .shop-gold-status,
  #shop-modal .modal-subtitle {
    display: none !important;
  }

  #shop-modal .modal-content::after {
    content: "ショップ画面またはキーボードの1〜5キーで勇者を永続強化し、再挑戦しましょう！";
    display: block;
    font-size: 0.68rem;
    color: rgba(255, 255, 255, 0.45);
    margin-bottom: 20px;
    text-align: center;
  }

  #shop-modal .modal-content {
    max-width: 380px !important;
  }
}

/* 📱 スマホ専用：指隠れ防止プレビューポップアップ ─── */
.drag-preview-popup {
  position: absolute;
  background: rgba(18, 18, 24, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1.5px solid rgba(0, 229, 255, 0.6);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5), 0 0 10px rgba(0, 229, 255, 0.35);
  padding: 6px 12px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  pointer-events: none;
  z-index: 100;
  transform: translate(-50%, -100%);
  animation: previewPulse 1.5s infinite ease-in-out;
  white-space: nowrap;
}

#drag-preview-icon {
  font-size: 1.0rem;
}

#drag-preview-hp {
  font-family: 'Outfit', sans-serif;
  font-size: 0.65rem;
  font-weight: 900;
  color: #fff;
  text-shadow: 0 0 4px rgba(255, 255, 255, 0.5);
}

@keyframes previewPulse {
  0%, 100% { box-shadow: 0 0 8px rgba(0, 255, 255, 0.3); }
  50% { box-shadow: 0 0 16px rgba(0, 255, 255, 0.6); }
}

/* ─── ゲームタイトルロゴ ─── */
.game-logo-area {
  text-align: center;
  margin-top: 6px;
  margin-bottom: 2px;
  flex-shrink: 0;
}

.game-title {
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  margin: 0;
  padding: 2px 0;
  background: linear-gradient(90deg, #ff007f, #ff00ff, #00ffff, #ff007f);
  background-size: 300% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: logoGlow 6s linear infinite;
  display: inline-block;
}

@keyframes logoGlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* PCサイドバー限定のコンポーネント最適化 */
@media (min-width: 1024px) {
  #pc-left-sidebar .shop-list {
    max-height: none; /* PC版ではショップリストのスクロール制限を解除 */
    flex-grow: 1;
    gap: 8px;
  }
  
  #pc-left-sidebar .shop-item {
    padding: 10px 12px;
  }

  #pc-right-sidebar #terminal-log {
    flex-grow: 1;
    height: 100% !important;
    max-height: none !important;
  }
}

/* スクロールバーのカスタマイズ (OS標準の無骨なバーをネオン調に変更) */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb {
  background: rgba(0, 229, 255, 0.35);
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 229, 255, 0.65);
  box-shadow: 0 0 8px rgba(0, 229, 255, 0.5);
}

/* 左側ショップ用はピンクのスクロールバーを設定 */
#pc-left-sidebar ::-webkit-scrollbar-thumb {
  background: rgba(255, 0, 127, 0.35);
}
#pc-left-sidebar ::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 0, 127, 0.65);
  box-shadow: 0 0 8px rgba(255, 0, 127, 0.5);
}

/* ─── 盤面セルのリアルタイム戦闘予測バッジ ─── */

/* 🧪 回復・攻撃パネルの背景脈動ネオン（視認性向上） */
.grid-panel[data-type="potion"]::before {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1.5px solid rgba(46, 204, 113, 0.4);
  border-radius: 50%;
  animation: potionPulseGreen 2.0s infinite ease-in-out;
  pointer-events: none;
  z-index: 0;
}
@keyframes potionPulseGreen {
  0%, 100% { transform: scale(0.85); opacity: 0.25; box-shadow: inset 0 0 4px rgba(46, 204, 113, 0.3); }
  50% { transform: scale(1.0); opacity: 0.75; box-shadow: inset 0 0 10px rgba(46, 204, 113, 0.6); }
}

.grid-panel[data-type="atk"]::before {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1.5px solid rgba(241, 196, 15, 0.4);
  border-radius: 8px;
  animation: atkPulseGold 2.0s infinite ease-in-out;
  pointer-events: none;
  z-index: 0;
}
@keyframes atkPulseGold {
  0%, 100% { transform: scale(0.85); opacity: 0.25; box-shadow: inset 0 0 4px rgba(241, 196, 15, 0.3); }
  50% { transform: scale(1.0); opacity: 0.75; box-shadow: inset 0 0 10px rgba(241, 196, 15, 0.6); }
}



/* 💻 PC版ステータスモニター用進捗ゲージ */
.status-monitor-item {
  display: block !important;
}

.monitor-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 5px;
}

.status-lv {
  font-size: 0.65rem;
  color: #ff007f;
  text-shadow: 0 0 5px rgba(255, 0, 127, 0.4);
  font-weight: bold;
}

.status-progress-bar-wrap {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 6px;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.status-progress-bar {
  height: 100%;
  width: 0%;
  border-radius: 3px;
  background: linear-gradient(90deg, #ff007f, #7c3aed);
  box-shadow: 0 0 8px rgba(255, 0, 127, 0.6);
  transition: width 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* ⌛ 時の砂時計・自動復活時のタイムワープ逆再生演出 */
.time-warp-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(10, 15, 30, 0.85);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  z-index: 99999;
  display: flex;
  justify-content: center;
  align-items: center;
  pointer-events: auto; /* 演出中は入力を完全にブロック */
  animation: timeWarpFlash 1.5s ease-out forwards;
}

.time-warp-hourglass {
  font-size: 8rem;
  filter: drop-shadow(0 0 20px rgba(0, 229, 255, 0.8));
  animation: hourglassSpin 1.2s cubic-bezier(0.68, -0.6, 0.32, 1.6) forwards;
}

.time-warp-overlay.fade-out {
  opacity: 0;
  transition: opacity 0.8s ease-out;
  pointer-events: none;
}

@keyframes timeWarpFlash {
  0% {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(0px);
  }
  15% {
    background: rgba(0, 191, 255, 0.4);
    backdrop-filter: blur(20px);
  }
  100% {
    background: rgba(10, 15, 30, 0.8);
    backdrop-filter: blur(10px);
  }
}

@keyframes hourglassSpin {
  0% {
    transform: scale(0.3) rotate(0deg);
    opacity: 0;
  }
  40% {
    transform: scale(1.1) rotate(-190deg);
    opacity: 1;
  }
  70% {
    transform: scale(1.0) rotate(-180deg);
  }
  100% {
    transform: scale(0.9) rotate(-180deg);
    opacity: 0.9;
  }
}

/* 🎇 v4.0.0 新規: サイバーネオン・ビジュアルシステム */

/* グリッドセル内のSVGアイコン表示設定 */
.grid-panel svg {
  width: 55%;
  height: 55%;
  object-fit: contain;
  transition: transform 0.2s ease, filter 0.2s ease;
  filter: drop-shadow(0 0 6px var(--glow-color, rgba(255, 255, 255, 0.5)));
}

.grid-panel[data-type="hero"] svg { --glow-color: rgba(0, 255, 255, 0.8); }
.grid-panel[data-type="monster"] svg { --glow-color: rgba(255, 0, 85, 0.8); }
.grid-panel[data-type="boss"] svg { --glow-color: rgba(255, 0, 255, 0.8); }
.grid-panel[data-type="potion"] svg { --glow-color: rgba(46, 204, 113, 0.8); }
.grid-panel[data-type="sword"] svg { --glow-color: rgba(241, 196, 15, 0.8); }
.grid-panel[data-type="key"] svg { --glow-color: rgba(0, 191, 255, 0.8); }
.grid-panel[data-type="chest"] svg { --glow-color: rgba(230, 126, 34, 0.8); }
.grid-panel[data-type="door"] svg { --glow-color: rgba(149, 165, 166, 0.8); }
.grid-panel[data-type="warp"] svg { --glow-color: rgba(155, 89, 182, 0.8); }
.grid-panel[data-type="trap"] svg { --glow-color: rgba(231, 76, 60, 0.8); }

/* なぞり中のセル拡大エフェクト */
.grid-panel.path-active svg {
  transform: scale(1.2);
  filter: drop-shadow(0 0 12px var(--glow-color)) brightness(1.2);
}

/* 画面揺れ演出 */
.shake-effect {
  animation: screenShake 0.2s ease-in-out;
}

@keyframes screenShake {
  0%, 100% { transform: translate(0, 0); }
  20% { transform: translate(-4px, 4px); }
  40% { transform: translate(4px, -4px); }
  60% { transform: translate(-3px, -3px); }
  80% { transform: translate(3px, 3px); }
}

/* 🎁 3択ピックモーダル＆カードスタイル */
.pick-content {
  max-width: 580px !important;
  background: rgba(10, 12, 18, 0.95) !important;
  border: 1px solid rgba(255, 0, 127, 0.3) !important;
  box-shadow: 0 0 35px rgba(255, 0, 127, 0.2) !important;
  text-align: center;
}

.pick-cards-container {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin: 24px 0 12px 0;
  flex-wrap: wrap;
}

.pick-card {
  width: 150px;
  background: rgba(255, 255, 255, 0.03);
  border: 1.5px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 16px 12px;
  box-sizing: border-box;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  position: relative;
  overflow: hidden;
}

.pick-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, transparent 100%);
  pointer-events: none;
}

.pick-card:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

/* カード毎の個別レア度ネオンカラー */
.pick-card.rarity-common:hover {
  border-color: #00bfff;
  box-shadow: 0 0 15px rgba(0, 191, 255, 0.25);
}
.pick-card.rarity-rare:hover {
  border-color: #9b59b6;
  box-shadow: 0 0 15px rgba(155, 89, 182, 0.25);
}
.pick-card.rarity-legendary:hover {
  border-color: #f1c40f;
  box-shadow: 0 0 20px rgba(241, 196, 15, 0.4);
}

.pick-card-icon {
  font-size: 2.2rem;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pick-card-title {
  font-size: 0.8rem;
  font-weight: 900;
  color: #fff;
}

.pick-card-desc {
  font-size: 0.62rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.4;
  text-align: center;
  flex-grow: 1;
}

.pick-card-rarity-badge {
  font-size: 0.52rem;
  font-weight: 900;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}
.pick-card.rarity-common .pick-card-rarity-badge { background: rgba(0, 191, 255, 0.15); color: #00bfff; }
.pick-card.rarity-rare .pick-card-rarity-badge { background: rgba(155, 89, 182, 0.15); color: #9b59b6; }
.pick-card.rarity-legendary .pick-card-rarity-badge { background: rgba(241, 196, 15, 0.15); color: #f1c40f; animation: pulseLegendary 1.5s infinite; }

@keyframes pulseLegendary {
  0%, 100% { transform: scale(1.0); opacity: 0.9; }
  50% { transform: scale(1.05); opacity: 1; }
}

/* ☠️ v4.5.0 新規: DANGER明滅アニメーション ＆ 特性モンスターネオン */

/* DANGERセル（死亡確定）の枠明滅 */
.grid-panel.panel-danger-active {
  border: 1.5px solid #ff3b30 !important;
  box-shadow: 0 0 15px rgba(255, 59, 48, 0.8), inset 0 0 10px rgba(255, 59, 48, 0.4) !important;
  animation: dangerPulse 0.8s infinite ease-in-out alternate;
}

@keyframes dangerPulse {
  0% {
    opacity: 0.8;
    filter: brightness(0.9);
  }
  100% {
    opacity: 1;
    filter: brightness(1.3) drop-shadow(0 0 8px #ff3b30);
  }
}

/* 特性モンスターの個別ビジュアル */
.grid-panel[data-monster-type="spiky"] {
  border-color: #ff3b30 !important;
  box-shadow: 0 0 12px rgba(255, 59, 48, 0.6) !important;
}
.grid-panel[data-monster-type="slime"] {
  border-color: #00ffcc !important;
  box-shadow: 0 0 12px rgba(0, 255, 204, 0.6) !important;
}
.grid-panel[data-monster-type="vampire"] {
  border-color: #ff00ff !important;
  box-shadow: 0 0 12px rgba(255, 0, 255, 0.6) !important;
}

/* 🏆 実績（アチーブメント）デザイン */
.achievements-list {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 5px;
}

.achieve-item {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  cursor: help;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  position: relative;
  opacity: 0.35;
  filter: grayscale(100%);
}

/* アンロックされた実績の輝き */
.achieve-item.unlocked {
  opacity: 1;
  filter: grayscale(0%);
  background: rgba(241, 196, 15, 0.08);
  border-color: #f1c40f !important;
  box-shadow: 0 0 10px rgba(241, 196, 15, 0.4);
  text-shadow: 0 0 5px rgba(241, 196, 15, 0.6);
  animation: achieveGlow 2s infinite alternate;
}

@keyframes achieveGlow {
  0% { box-shadow: 0 0 6px rgba(241, 196, 15, 0.3); }
  100% { box-shadow: 0 0 14px rgba(241, 196, 15, 0.6); }
}