/* トップページ（ゲーム一覧） */
body {
  padding: calc(var(--lab-safe-top) + 12px) calc(var(--lab-safe-right) + 14px) calc(var(--lab-safe-bottom) + 24px) calc(var(--lab-safe-left) + 14px);
  max-width: 720px;
  margin: 0 auto;
}
.top-head h1 { margin: 6px 0 16px; font-size: 26px; letter-spacing: 0.02em; color: var(--lab-text); }
.top-head h1::first-letter { color: var(--lab-accent); }
.top-hint {
  background: #fff4e8; border: 1px solid #ffd9b8; border-radius: var(--lab-radius);
  padding: 10px 12px; font-size: 14px; line-height: 1.5; margin-bottom: 14px;
}
.top-hint b { color: var(--lab-accent); }
.top-filters { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 4px; margin-bottom: 12px; scrollbar-width: none; }
.top-filters .lab-chip { flex: none; }
.top-filters .on { background: var(--lab-accent); border-color: var(--lab-accent); color: var(--lab-accent-text); }
.top-list { display: grid; grid-template-columns: 1fr; gap: 10px; }
@media (min-width: 560px) { .top-list { grid-template-columns: 1fr 1fr; } }
.card {
  display: grid; grid-template-columns: 64px 1fr; gap: 12px; align-items: center;
  padding: 12px; border-radius: var(--lab-radius); background: var(--lab-panel);
  color: inherit; text-decoration: none; border: 1px solid transparent; box-shadow: var(--lab-shadow);
}
.card:active { border-color: var(--lab-accent); transform: scale(0.99); }
.card-icon {
  width: 64px; height: 64px; border-radius: 14px; display: grid; place-items: center;
  font-size: 34px; line-height: 1;
}
.card-title { font-weight: 700; font-size: 16px; margin-bottom: 2px; }
.card-core { color: var(--lab-dim); font-size: 13px; line-height: 1.45; }
.card-meta { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; font-size: 12px; align-items: center; }
.badge { padding: 2px 8px; border-radius: 999px; background: var(--lab-panel-2); color: var(--lab-dim); }
.badge.new { background: var(--lab-accent-2); color: #ffffff; font-weight: 700; }
.top-empty { color: var(--lab-dim); text-align: center; padding: 40px 0; }
.top-invite summary { cursor: pointer; }
.top-invite { margin-top: 32px; padding: 10px 12px; font-size: 13px; color: var(--lab-dim); }
.top-invite form { display: flex; gap: 8px; margin-top: 8px; }
.top-invite input {
  flex: 1; min-width: 0; height: 36px; border-radius: 10px; border: 1px solid var(--lab-line);
  background: var(--lab-panel); color: var(--lab-text); padding: 0 10px; font-size: 16px;
}