/* Doors 共通言語セレクター */
.lang-dropdown { position: relative; }
.lang-btn {
  background: none; border: 1px solid var(--border, #333); border-radius: 8px;
  padding: 6px 10px; cursor: pointer; color: var(--text-secondary, #999);
  font-size: 13px; font-weight: 500; display: flex; align-items: center; gap: 4px;
  transition: all 0.3s;
}
.lang-btn:hover { border-color: var(--accent, #7c3aed); color: var(--accent, #7c3aed); }
.lang-menu {
  position: absolute; top: calc(100% + 8px); right: 0; min-width: 140px;
  background: var(--surface, #111); border: 1px solid var(--border, #333); border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.12); overflow: hidden;
  opacity: 0; transform: translateY(-8px); pointer-events: none;
  transition: opacity 0.2s, transform 0.2s; z-index: 200;
}
.lang-menu.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
.lang-option {
  display: flex; align-items: center; width: 100%; padding: 10px 16px; border: none; background: none;
  color: var(--text-primary, #fff); font-size: 13px; text-align: left; cursor: pointer;
  transition: background 0.15s;
}
.lang-option:hover { background: var(--accent-light, rgba(124,58,237,0.08)); }
.lang-option.active { color: var(--accent, #7c3aed); font-weight: 600; }
.flag-icon {
  display: inline-block; width: 18px; height: 18px; border-radius: 50%;
  overflow: hidden; vertical-align: middle; margin-right: 8px; flex-shrink: 0;
}
.flag-icon svg { width: 100%; height: 100%; display: block; }