#loading-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(255, 255, 255, 1);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

#qrcode_box {
    background:white; padding:20px; border-radius:8px;
}

/* スピナー */
.spinner {
  width: 48px;
  height: 48px;
  border: 5px solid #ccc;
  border-top: 5px solid #007bff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 12px;
}

#filter_reset_container_elm {
    margin:10px 0;
}

#qrcode_overlay {
  display:none;
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:100%;
  background-color:rgba(0,0,0,0.7);
  justify-content:center;
  align-items:center;
  z-index:1000;
}

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