/* Pilot i18n — 言語切り替えUI */
.pilot-i18n {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 9999;
  display: inline-flex;
  gap: 2px;
  padding: 4px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid #d8d8d8;
  border-radius: 999px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  font-family: -apple-system, "Helvetica Neue", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
}

.pilot-i18n__btn {
  appearance: none;
  border: 0;
  margin: 0;
  padding: 6px 14px;
  background: transparent;
  color: #333;
  font-size: 13px;
  line-height: 1;
  font-weight: 600;
  border-radius: 999px;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.pilot-i18n__btn:hover {
  background: #f0f0f0;
}

.pilot-i18n__btn.is-active {
  background: #111;
  color: #fff;
}

@media (max-width: 600px) {
  .pilot-i18n {
    right: 10px;
    bottom: 10px;
  }
  .pilot-i18n__btn {
    padding: 6px 11px;
    font-size: 12px;
  }
}