/* 全画面ローディング背景 */
#loading {
  position: fixed;
  inset: 0;
  background: #002b55; /* 深い青で高級感 */
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  overflow: hidden;
  animation: fadeIn 0.2s ease-out forwards;
}

/* 中央配置 */
.loading-inner {
  text-align: center;
}

/* タイトル */
.loading-title {
  font-size: 24px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 20px;
  letter-spacing: 3px;
  animation: fadeIn 1s ease-out forwards;
}

/* ロゴ */
.loading-logo {
  width: 540px;
  height: auto;
  margin-bottom: 75px;
  animation: fadeIn 1.2s ease-out forwards;
}

/* 高級感スピナー */
.loading-spinner {
  width: 55px;
  height: 55px;
  border: 5px solid rgba(255,255,255,0.25);
  border-top-color: #ffffff;
  border-radius: 50%;
  margin: 0 auto;
  animation: spin 1s linear infinite;
}

/* 回転 */
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* フェードアウト */
.fadeout {
  animation: fadeOut 0.8s forwards;
}

@keyframes fadeOut {
  to { opacity: 0; visibility: hidden; }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}