/* ============================================
   Milli Games - メインスタイルシート
   ============================================ */

/* ===== CSS変数 ===== */
:root {
  --bg-1: #f0ebf5;
  --bg-2: #e4d6ed;
  --bg-3: #d8c4e5;
  --primary: #8582fb;
  --primary-dark: #716ed5;
  --primary-light: #dbbee1;
  --primary-glow: rgba(133, 130, 251, 0.25);
  --glass-bg: rgba(255, 255, 255, 0.25);
  --glass-bg-strong: rgba(255, 255, 255, 0.35);
  --glass-border: rgba(255, 255, 255, 0.50);
  --glass-border-hover: rgba(255, 255, 255, 0.70);
  --glass-hover: rgba(255, 255, 255, 0.35);
  --glass-blur: 20px;
  --text: #2d1b4e;
  --text-secondary: rgba(45, 27, 78, 0.70);
  --text-muted: rgba(45, 27, 78, 0.45);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 999px;
  --shadow-sm: 0 2px 8px rgba(45, 27, 78, 0.08);
  --shadow-md: 0 4px 16px rgba(45, 27, 78, 0.12);
  --shadow-lg: 0 8px 32px rgba(45, 27, 78, 0.16);
  --shadow-glow: 0 0 24px var(--primary-glow);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ===== リセット ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font);
  background: linear-gradient(135deg, var(--bg-1), var(--bg-2), var(--bg-3));
  color: var(--text);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img { display: block; max-width: 100%; }
ul, ol { list-style: none; }

/* ===== 共通クラス ===== */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
}

/* ===== 背景アニメーション ===== */
#bg-blur {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
  animation: blobFloat 20s ease-in-out infinite;
  will-change: transform;
}

.blob-1 {
  width: 500px; height: 500px;
  background: var(--primary);
  top: -150px; left: -150px;
}

.blob-2 {
  width: 420px; height: 420px;
  background: var(--primary-dark);
  bottom: -120px; right: -120px;
  animation-delay: -7s;
}

.blob-3 {
  width: 360px; height: 360px;
  background: var(--primary-light);
  top: 50%; left: 50%;
  animation-delay: -14s;
}

@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(60px, -50px) scale(1.15); }
  50% { transform: translate(-40px, 40px) scale(0.88); }
  75% { transform: translate(50px, 25px) scale(1.08); }
}

/* ===== ヘッダー ===== */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  border-top: none;
  border-left: none;
  border-right: none;
  padding: 0 20px;
  height: 60px;
}

#header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

#header-logo {
  display: flex;
  align-items: center;
  height: 100%;
}

#header-logo img {
  height: 32px;
  width: auto;
  display: block;
}

#header-badge {
  margin-left: 8px;
  padding: 2px 8px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  border: 1.5px solid var(--primary);
  border-radius: 4px;
  color: var(--primary);
  line-height: 1.4;
}

#header-actions {
  display: flex;
  gap: 10px;
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text);
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

#menu-btn {
  background: rgba(255,255,255,0.45);
  border-color: rgba(255,255,255,0.7);
}

#menu-btn svg {
  stroke-width: 2.5;
}

#profile-btn {
  width: auto;
  border-radius: var(--radius-full);
  padding: 0 12px 0 8px;
  gap: 4px;
  font-size: 0.85rem;
  font-weight: 500;
}

#profile-btn svg {
  flex-shrink: 0;
}

#profile-label {
  white-space: nowrap;
}

.profile-header-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

.profile-header-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.icon-btn:hover {
  background: var(--glass-hover);
  border-color: var(--glass-border-hover);
}

.icon-btn:active {
  transform: scale(0.92);
}

/* ===== フィルタータブ ===== */
.filter-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.filter-tab {
  padding: 8px 24px;
  border-radius: var(--radius-full);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.filter-tab:hover {
  background: var(--glass-hover);
  color: var(--text);
}

.filter-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 0 24px var(--primary-glow);
}

/* ===== レイアウト ===== */
#layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== カルーセル ===== */
#carousel-section {
  position: relative;
  width: 100%;
  padding: 12px 0 8px;
  margin: 0 auto;
}

#carousel-container {
  overflow: hidden;
  width: 100%;
  padding: 8px 0;
}

#carousel-track {
  display: flex;
  column-gap: 16px;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
}

#carousel-track.dragging {
  cursor: grabbing;
  transition: none !important;
}

/* ===== ゲームカード ===== */
.game-card {
  flex: 0 0 85%;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  position: relative;
  transform-origin: center center;
}

.game-card.active {
  transform: scale(1.03);
  box-shadow: var(--shadow-lg), 0 0 40px var(--primary-glow);
}

.game-card:not(.active) {
  opacity: 0.55;
  transform: scale(0.93);
}

.game-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: var(--shadow-lg), 0 8px 40px var(--primary-glow);
  border-color: var(--glass-border-hover);
}

/* カード画像 */
.card-image {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-2), var(--bg-3));
  flex-shrink: 0;
}

.card-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.6s ease;
}

.game-card:hover .card-image img {
  transform: scale(1.1);
}

/* ガラス反射 */
.card-reflection {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 38%,
    rgba(255, 255, 255, 0.12) 44%,
    rgba(255, 255, 255, 0.22) 50%,
    rgba(255, 255, 255, 0.12) 56%,
    transparent 62%
  );
  transform: translateX(-120%);
  transition: transform 0.7s ease;
  pointer-events: none;
  z-index: 2;
}

.game-card:hover .card-reflection {
  transform: translateX(120%);
}

/* カードバッジ */
.card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  z-index: 3;
  letter-spacing: 0.04em;
}

.coming-soon-badge {
  background: rgba(45, 27, 78, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
}

/* カード本文 */
.card-body {
  padding: 16px 16px 12px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
  line-height: 1.3;
}

.card-description {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.55;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
  padding-right: 4px;
  scrollbar-width: thin;
  scrollbar-color: var(--glass-border) transparent;
}

.card-description::-webkit-scrollbar { width: 4px; }
.card-description::-webkit-scrollbar-track { background: transparent; }
.card-description::-webkit-scrollbar-thumb {
  background: var(--glass-border);
  border-radius: 4px;
}

/* カードフッター */
.card-footer {
  padding: 0 16px 16px;
  flex-shrink: 0;
}

.card-stats {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.card-points,
.card-exp {
  padding: 3px 12px;
  border: 1px dashed rgba(45, 27, 78, 0.20);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.card-btn {
  display: block;
  width: 100%;
  padding: 11px;
  border-radius: var(--radius-md);
  border: none;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  transition: var(--transition);
  box-shadow: 0 4px 16px var(--primary-glow);
  letter-spacing: 0.03em;
}

.card-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px var(--primary-glow);
}

.card-btn:active {
  transform: translateY(0);
}

.card-btn.coming-soon {
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  box-shadow: none;
  cursor: not-allowed;
}

.card-btn.coming-soon:hover {
  transform: none;
  box-shadow: none;
}

/* ===== カルーセル矢印 ===== */
.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text);
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 10;
  opacity: 0;
  pointer-events: none;
}

.carousel-arrow.visible {
  opacity: 1;
  pointer-events: auto;
}

.carousel-arrow:hover {
  background: var(--glass-hover);
  border-color: var(--glass-border-hover);
}

.carousel-arrow:active {
  transform: translateY(-50%) scale(0.92);
}

#carousel-prev { left: 8px; }
#carousel-next { right: 8px; }

/* ===== インジケーター ===== */
#carousel-indicators {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 8px 0 16px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(45, 27, 78, 0.20);
  cursor: pointer;
  transition: var(--transition);
  padding: 0;
}

.carousel-dot.active {
  width: 28px;
  border-radius: 4px;
  background: var(--primary);
  box-shadow: 0 0 12px var(--primary-glow);
}

/* ===== サイドパネル ===== */
#side-panel {
  display: block;
}

.panel-section {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 16px;
}

.panel-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--glass-border);
}

.panel-content {
  font-size: 0.84rem;
  color: var(--text-secondary);
}

.news-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 0;
  border-bottom: 1px solid var(--glass-border);
}

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

.news-date {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.news-text {
  color: var(--text-secondary);
}

#ranking-panel ol {
  counter-reset: rank;
}

#ranking-panel li {
  counter-increment: rank;
  padding: 8px 0;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.84rem;
}

#ranking-panel li::before {
  content: counter(rank);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  flex-shrink: 0;
}

#ranking-panel li:first-child::before {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  border-color: #f59e0b;
  color: #1a0533;
}

#ranking-panel li:nth-child(2)::before {
  background: linear-gradient(135deg, #e2e8f0, #94a3b8);
  border-color: #94a3b8;
  color: #1a0533;
}

#ranking-panel li:nth-child(3)::before {
  background: linear-gradient(135deg, #d4a574, #92400e);
  border-color: #92400e;
  color: #fff;
}

.recent-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--glass-border);
}

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

.recent-title {
  font-weight: 600;
}

.recent-tag {
  font-size: 0.72rem;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: #fff;
}

/* ===== FAB（全てのゲームボタン） ===== */
.fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 50;
  padding: 14px 24px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  border: none;
  box-shadow: var(--shadow-lg), 0 0 24px var(--primary-glow);
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.03em;
}

.fab:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 4px 32px var(--primary-glow);
}

.fab:active {
  transform: translateY(0);
}

/* ===== モーダル共通 ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  max-width: 92vw;
  max-height: 85vh;
  width: 680px;
  overflow-y: auto;
  padding: 24px;
  transform: scale(0.92);
  transition: transform var(--transition);
  box-shadow: var(--shadow-lg);
}

.modal-overlay.open .modal {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--glass-border);
  flex-shrink: 0;
}

.modal-header h2 {
  font-size: 1.2rem;
  font-weight: 700;
}

.modal-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1;
}

.modal-close:hover {
  background: var(--glass-hover);
  border-color: var(--glass-border-hover);
}

/* ===== クレジット ===== */
.credit-content {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.credit-item {
  display: flex;
  gap: 8px;
  font-size: 0.95rem;
}
.credit-label {
  font-weight: 700;
  white-space: nowrap;
  color: var(--primary);
  min-width: 5em;
}
.credit-value {
  color: var(--text);
}
.credit-value a {
  color: var(--primary-dark);
  text-decoration: underline;
}
.credit-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.credit-note.disclaimer {
  border-top: 1px solid var(--glass-border);
  padding-top: 10px;
  font-weight: 600;
  color: var(--accent);
}

/* ===== プレイ履歴 ===== */
.profile-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--glass-border);
}
.profile-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  flex-shrink: 0;
  overflow: hidden;
}
.profile-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.profile-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}
.profile-comment {
  font-size: 0.8rem;
  color: var(--text);
  margin-top: 2px;
}
.profile-status {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 2px;
}
.history-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 60vh;
  overflow-y: auto;
}
.history-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  flex-wrap: wrap;
}
.history-date {
  color: var(--text-muted);
  font-size: 0.78rem;
  min-width: 120px;
}
.history-game {
  font-weight: 600;
  color: var(--primary);
  min-width: 80px;
}
.history-type {
  flex: 1;
  color: var(--text);
  min-width: 140px;
}
.history-match {
  color: var(--text-secondary);
  font-weight: 500;
  text-align: right;
}
.history-score {
  color: var(--primary);
  font-weight: 600;
  text-align: right;
}
.history-rank {
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  background: var(--primary-glow);
  color: var(--primary-dark);
}

/* ===== 履歴タブ ===== */
.hist-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.hist-tabs {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  flex-shrink: 0;
  padding-bottom: 4px;
}
.hist-tab {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}
.hist-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.hist-pane {
  display: none;
  flex-direction: column;
  gap: 8px;
  max-height: 55vh;
  overflow-y: auto;
}
.hist-pane.active {
  display: flex;
}

/* ===== ゲームテーブル ===== */
.game-table {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* ===== メニューポップアップボタン ===== */
.menu-popup-btn {
  display: block;
  width: 100%;
  padding: 12px 16px;
  text-align: left;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 8px;
}

.menu-popup-btn:hover {
  background: var(--glass-hover);
  border-color: var(--glass-border-hover);
  padding-left: 20px;
}

.menu-popup-btn:last-child {
  margin-bottom: 0;
}

/* ===== メニュー内インストールボタン ===== */
.menu-install-section {
  display: none;
}

@media (pointer: fine) and (min-width: 1024px) {
  .menu-install-section {
    display: block;
    margin-bottom: 0;
  }
}

/* ===== メニュークレジットボタン ===== */
.menu-credit-section {
  border-top: 1px solid var(--glass-border);
  padding-top: 12px;
}

.menu-credit-btn {
  display: block;
  width: 100%;
  padding: 12px 16px;
  text-align: left;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border-radius: var(--radius-sm);
}

.menu-credit-btn:hover {
  color: var(--text);
  background: var(--glass-hover);
  padding-left: 20px;
}

.menu-install-btn {
  display: block;
  width: 100%;
  padding: 12px 16px;
  text-align: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}

.menu-install-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* ===== ポップアップ本文スタイル ===== */
#popup-body .news-item {
  padding: 10px 0;
}

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

#popup-body .recent-item {
  padding: 10px 0;
}

#popup-body .recent-item:last-child {
  border-bottom: none;
}

#popup-body ol {
  counter-reset: rank;
  padding: 0;
}

#popup-body li {
  counter-increment: rank;
  padding: 10px 0;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.84rem;
  color: var(--text-secondary);
}

#popup-body li:last-child {
  border-bottom: none;
}

#popup-body li::before {
  content: counter(rank);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  flex-shrink: 0;
}

#popup-body li:first-child::before {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  border-color: #f59e0b;
  color: #1a0533;
}

#popup-body li:nth-child(2)::before {
  background: linear-gradient(135deg, #e2e8f0, #94a3b8);
  border-color: #94a3b8;
  color: #1a0533;
}

#popup-body li:nth-child(3)::before {
  background: linear-gradient(135deg, #d4a574, #92400e);
  border-color: #92400e;
  color: #fff;
}

#popup-body .panel-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--glass-border);
}

/* ===== メニューオーバーレイ ===== */
#menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

#menu-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* ===== サイドメニュー ===== */
#side-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 320px;
  max-width: 85vw;
  z-index: 300;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  border-top: none;
  border-right: none;
  border-bottom: none;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
}

#side-menu.open {
  transform: translateX(0);
}

#side-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--glass-border);
  flex-shrink: 0;
}

#side-menu-header h2 {
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}
.version-badge {
  font-size: 0.7rem;
  font-weight: 700;
  color: #fff;
  background: var(--primary);
  padding: 2px 8px;
  border-radius: 10px;
  letter-spacing: 0.5px;
  box-shadow: 0 1px 4px rgba(133,130,251,0.3);
}

#side-menu-body {
  flex: 1;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--glass-border) transparent;
}

#side-menu-body::-webkit-scrollbar { width: 4px; }
#side-menu-body::-webkit-scrollbar-track { background: transparent; }
#side-menu-body::-webkit-scrollbar-thumb {
  background: var(--glass-border);
  border-radius: 4px;
}

.menu-section {
  margin-bottom: 28px;
}

.menu-section h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.menu-section li {
  padding: 10px 0;
  border-bottom: 1px solid var(--glass-border);
  font-size: 0.84rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.menu-section li:hover {
  color: var(--text);
  padding-left: 6px;
}

.menu-site-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  margin-bottom: 6px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  background: var(--glass-bg);
  text-decoration: none;
  transition: var(--transition);
}

.menu-site-link:hover {
  background: var(--glass-hover);
  border-color: var(--glass-border-hover);
}

.menu-site-logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
  border-radius: 6px;
  flex-shrink: 0;
  background: #fff;
}

.menu-site-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.menu-site-name {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--text);
}

.menu-site-desc {
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.setting-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.setting-item label {
  font-size: 0.84rem;
  color: var(--text-secondary);
}

.volume-control {
  display: flex;
  align-items: center;
  gap: 12px;
}

#volume-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: var(--glass-border);
  outline: none;
}

#volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid var(--glass-border-hover);
  cursor: pointer;
  box-shadow: 0 0 12px var(--primary-glow);
  transition: var(--transition);
}

#volume-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

#volume-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid var(--glass-border-hover);
  cursor: pointer;
  box-shadow: 0 0 12px var(--primary-glow);
}

#volume-label {
  font-size: 0.84rem;
  color: var(--text);
  min-width: 42px;
  text-align: right;
  font-weight: 600;
}

/* ===== アカウント連携（Firebase Auth・§2-4） ===== */
.mp-input {
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 8px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.84rem;
  box-sizing: border-box;
  outline: none;
}

.mp-input::placeholder {
  color: var(--text-muted);
}

.mp-field-row {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

.mp-field-row .mp-input {
  flex: 1;
  margin-bottom: 0;
}

.mp-pass-toggle {
  flex: 0 0 auto;
  width: 42px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  background: var(--glass-bg);
  color: var(--text-secondary);
  font-size: 0.95rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mp-pass-toggle:active {
  transform: scale(0.95);
}

.auth-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
}

.mp-tab {
  flex: 1;
  padding: 8px 10px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  background: var(--glass-bg);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s;
}

.mp-tab.active {
  background: linear-gradient(135deg, var(--primary), #b388ff);
  color: #fff;
  border-color: transparent;
}

.mp-tab:active {
  transform: scale(0.97);
}

.mp-switch {
  display: block;
  width: 100%;
  padding: 8px;
  border: none;
  background: none;
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
}

.mp-forgot {
  display: block;
  width: 100%;
  padding: 4px 0 8px;
  border: none;
  background: none;
  color: var(--text-secondary);
  font-size: 0.74rem;
  cursor: pointer;
  text-decoration: underline;
}

.mp-actions {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

.mp-btn {
  flex: 1;
  padding: 10px;
  border: none;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary), #b388ff);
  color: #fff;
  font-size: 0.84rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s;
}

.mp-btn:active {
  transform: scale(0.97);
}

.mp-btn-outline {
  background: var(--glass-bg);
  color: var(--text);
  border: 1px solid var(--glass-border);
  font-weight: 500;
}

.mp-msg {
  font-size: 0.74rem;
  color: var(--text-secondary);
  min-height: 1.2em;
  margin: 0;
}

.mp-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.mp-row b {
  color: var(--primary);
  font-size: 0.82rem;
  overflow-wrap: anywhere;
  word-break: break-all;
}

.mp-id-input {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--glass-border);
}

.mp-id-input .mp-row {
  align-items: stretch;
}

.mp-id-input .mp-row .mp-btn-save {
  flex: 0 0 auto;
  padding: 10px 16px;
}

.mp-id-input .mp-input {
  margin-bottom: 0;
}

.mp-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  line-height: 1.5;
}

.mp-menu-status {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  min-height: 1.1em;
}

.mp-menu-status.linked {
  color: var(--primary);
  font-weight: 600;
}

/* ===== 未ログインポップアップ ===== */
.login-popup {
  position: fixed;
  inset: 0;
  z-index: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.login-popup.open {
  opacity: 1;
  pointer-events: auto;
}

.login-popup-card {
  width: 92vw;
  max-width: 400px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 24px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transform: scale(0.92);
  transition: transform var(--transition);
}

.login-popup.open .login-popup-card {
  transform: scale(1);
}

.login-popup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.login-popup-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary);
}

.login-popup-close {
  width: 32px;
  height: 32px;
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  background: var(--glass-bg);
  color: var(--text);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  line-height: 1;
}

.login-popup-desc {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0 0 14px;
}

.login-popup-skip {
  display: block;
  width: 100%;
  margin-top: 14px;
  padding: 10px;
  border: none;
  background: none;
  color: var(--text-muted);
  font-size: 0.82rem;
  cursor: pointer;
}

/* ===== 連携案内バナー（ログイン任意・§2-4） ===== */
.mp-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: #2a1f4d;
  color: #fff;
  padding: 10px 14px;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  box-sizing: border-box;
}

.mp-banner-text {
  line-height: 1.5;
}

.mp-banner-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.mp-banner-btn {
  background: #ffd7f5;
  color: #2a1f4d;
  border: none;
  border-radius: 8px;
  padding: 7px 12px;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
}

.mp-banner-btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.4);
}

@media (max-width: 480px) {
  .mp-banner {
    flex-direction: column;
    align-items: stretch;
  }

  .mp-banner-actions {
    justify-content: flex-end;
  }
}

/* ===== ホーム/全ゲーム画面 ===== */
#home-view {
  padding-top: 80px;
}

#all-games-view {
  padding-top: 80px;
  padding-bottom: 100px;
}

/* 全ゲーム一覧のカードグリッド */
#all-games-view .game-table {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

#all-games-view .game-card {
  flex: none;
  width: 100%;
}

#all-games-view .game-card:not(.active) {
  opacity: 1;
  transform: none;
}

#all-games-view .game-card:hover {
  transform: translateY(-4px) scale(1.01);
}

@media (min-width: 600px) {
  #all-games-view .game-table {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  #all-games-view .game-table {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===== モバイル（サイドパネル非表示） ===== */
@media (max-width: 1023px) {
  #side-panel {
    display: none;
  }
}

/* ===== タブレット ===== */
@media (min-width: 768px) {
  .game-card {
    flex: 0 0 70%;
  }

  .filter-tab {
    padding: 10px 32px;
    font-size: 0.95rem;
  }

  #carousel-section {
    padding: 20px 0;
  }

  .carousel-arrow {
    width: 48px;
    height: 48px;
    font-size: 1.8rem;
  }

  #carousel-prev { left: 16px; }
  #carousel-next { right: 16px; }

  .game-card.active {
    transform: scale(1.04);
  }
}

/* ===== PC ===== */
@media (min-width: 1024px) {
  #layout {
    display: flex;
    gap: 28px;
    padding: 0 28px;
    max-width: 1200px;
    margin: 0 auto;
  }

  #main {
    flex: 1;
    min-width: 0;
  }

  #side-panel {
    width: 300px;
    flex-shrink: 0;
    position: sticky;
    top: 80px;
    margin-top: 80px;
    align-self: start;
    display: block !important;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--glass-border) transparent;
  }

  #side-panel::-webkit-scrollbar { width: 4px; }
  #side-panel::-webkit-scrollbar-track { background: transparent; }
  #side-panel::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 4px;
  }

  .menu-info-section { display: none; }

  #side-panel .panel-section {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 12px;
  }

  #side-panel .panel-section:last-child {
    margin-bottom: 0;
  }

  #side-panel .panel-title {
    border-bottom: none;
    margin-bottom: 6px;
    padding-bottom: 4px;
    font-size: 0.8rem;
  }

  #side-panel .panel-content {
    font-size: 0.78rem;
  }

  .game-card {
    flex: 0 0 50%;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }

  .game-card.active { transform: scale(1.05); }

  .carousel-arrow { opacity: 1; pointer-events: auto; }
  .carousel-arrow.visible { opacity: 1; }
  #carousel-prev { left: -8px; }
  #carousel-next { right: -8px; }
  #carousel-container { padding: 16px 0; }
  .card-title { font-size: 1.25rem; }
  .card-description { font-size: 0.88rem; }
}

/* ===== 大画面 ===== */
@media (min-width: 1280px) {
  .game-card {
    flex: 0 0 42%;
  }
}

/* ===== UA通知オーバーレイ ===== */
.ua-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: opacity 0.3s;
}

.ua-overlay.ua-hidden {
  display: none;
  opacity: 0;
}

.ua-card {
  max-width: 360px;
  width: 88%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 16px 48px rgba(45, 27, 78, 0.2);
  overflow: hidden;
  animation: uaFadeIn 0.35s ease;
}

@keyframes uaFadeIn {
  0% { opacity: 0; transform: translateY(20px) scale(0.96); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

.ua-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px 0;
}

.ua-title {
  font-size: 1rem;
  font-weight: 800;
  color: #8582fb;
  letter-spacing: 0.02em;
}

.ua-close {
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 50%;
  background: rgba(45, 27, 78, 0.06);
  color: rgba(45, 27, 78, 0.3);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  line-height: 1;
}

.ua-close:hover {
  background: rgba(45, 27, 78, 0.1);
  color: rgba(45, 27, 78, 0.6);
}

.ua-body {
  padding: 12px 20px 20px;
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(45, 27, 78, 0.7);
}

.ua-body strong {
  color: #2d1b4e;
}

.ua-body .ua-step {
  display: block;
  padding-left: 4px;
  margin-bottom: 4px;
}

.ua-body .ua-step:last-child {
  margin-bottom: 0;
}

.ua-blocking .ua-close {
  display: none;
}

.ua-blocking .ua-card {
  border-color: rgba(133, 130, 251, 0.3);
}

.ua-actions {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

.ua-btn {
  flex: 1;
  padding: 10px 0;
  border: 1.5px solid rgba(45, 27, 78, 0.12);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.5);
  color: rgba(45, 27, 78, 0.55);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s;
}

.ua-btn:hover {
  border-color: #8582fb;
  color: #8582fb;
  background: rgba(133, 130, 251, 0.06);
}

.ua-btn:active {
  transform: scale(0.97);
}

.ua-btn-primary {
  border-color: #8582fb;
  background: #8582fb;
  color: #fff;
}

.ua-btn-primary:hover {
  background: #716ed5;
  border-color: #716ed5;
  color: #fff;
}

@media (max-width: 767px) {
  .ua-card {
    width: 92%;
  }
}