html { zoom: 1.2; }
     
     html, body {
      width: 100%;
      height: 100%;
      margin: 0;
      background-color: #222222;
      font-family: sans-serif;
      border-radius: 15px;
      overflow: hidden;
    }
    
    #loginOverlay {
      position: fixed;
      top: 0; left: 0;
      width: 100%; height: 100%;
      background-color: black;
      z-index: 9999;
      display: flex;
      justify-content: center;
      align-items: center;
      color: white;
      font-size: 14px;
      font-family: 'Press Start 2P', monospace;
    }

    #mainContent {
      display: none;
    }
    
    #loginOverlay .spinner-text {
      display: flex;
      align-items: center;
      gap: 10px;
      font-family: 'Press Start 2P', monospace;
      font-size: 10px;
    }

    .spinner {
      width: 18px;
      height: 18px;
      border: 3px solid white;
      border-top: 3px solid #555;
      border-radius: 50%;
      animation: spin 1s linear infinite;
    }

    @keyframes spin {
      0% { transform: rotate(0deg); }
      100% { transform: rotate(360deg); }
    }

     #titleBar {
      padding: 9px 10px;
      background-color: #000;
      color: white;
      font-size: 7px;
      font-weight: bold;
      text-align: center;
      border-top-left-radius: 10px;
      border-top-right-radius: 10px;
      font-family: 'Press Start 2P', monospace;
    }
    
    .line {
      height: 2px;
      width: 100%;
      display: white;
      background: linear-gradient(
        90deg,
        #5F00FF, /* 紫 */
        #FF0000, /* 赤 */
        #FF5F00, /* オレンジ */
        #FFFF00, /* 黄色 */
        #5FFF00, /* 黄緑 */
        #00FF00, /* 緑 */
        #00FFFF, /* 水色 */
        #0000FF, /* 青 */
        #5F00FF, /* 紫 */

        #FF0000,
        #FF5F00,
        #FFFF00,
        #5FFF00,
        #00FF00,
        #00FFFF,
        #0000FF,
        #5F00FF
      );
      background-size: 200% 100%;
      animation: rainbow-scroll 5s linear infinite;
    }
    @keyframes rainbow-scroll {
      0% {
        background-position: 0% 0%;
      }
      100% {
        background-position: 100% 0%;
      }
    }
    
    
  #welcomeMessage {
    text-align: center;
    color: white;
    font-family: 'Press Start 2P', monospace;
    font-size: 8px;       /* フォント大きく */
    line-height: 1.8;     /* 行間調整で2行表示を見やすく */
    margin-top: 30px;     /* 位置を下げる */
  }




     .tab-bar {
      display: flex;
      justify-content: space-around;
      margin: 5px 10px 10px 10px;
    }
    
    .tab-btn {
      flex: 1;
      margin: 0 2px;
      padding: 4px 0;
      font-size: 6px;
      background-color: #333;
      color: #00FFFF; /* 水色 */
      border: none;
      border-radius: 4px;
      font-family: 'Press Start 2P', monospace;
      cursor: pointer;
    }
    
    .tab-btn.active {
      background-color: white;
      color: black;
    }
    
  .tab-content {
    display: none;
    font-size: 10px;
    color: white;
    font-family: 'Press Start 2P', monospace;
    text-align: center;
    margin-top: 10px;     /* Welcome に近い位置に */
  }
  
  .tab-content.active {
    display: block;
  }
  
    .button-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 5px 0;
    }
    
    .menu-button {
      font-family: 'Press Start 2P', monospace;
      font-size: 8px;
      padding: 7px 10px;
      border: none;
      border-radius: 4px;
      background-color: #444;
      color: white;
      cursor: pointer;
    }
    
    .menu-button:active {
      background-color: #ccc;
    }
    
    .menu-title {
      text-align: center;
      font-size: 12px;
      color: cyan;
      margin: 8px 0;
      font-family: 'Press Start 2P', monospace;
    }
    
    .button-column {
      display: flex;
      flex-direction: column;
      gap: 10px;
      align-items: center;
    }
    
    .input-row {
      display: flex;
      align-items: center;
      gap: 10px;
      justify-content: center;
    }
    
    .input-field {
      width: 80px;  /* 幅を広げた */
      padding: 4px 10px;  /* 高さを調整 */
      font-size: 8px;  /* フォントサイズを少し大きく */
      font-family: 'Press Start 2P', monospace;
      border-radius: 4px;
      border: none;
    }
    

    
    .coin-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      background-color: #444;
      padding: 3px 8px;
      border-radius: 4px;
    }
    
    .coin-container label {
      color: white;
      font-family: 'Press Start 2P', monospace;
      font-size: 8px;
      margin-right: 10px;
      width: 70px;  /* Adjust width if needed */
      text-align: left;
    }
    
    .coin-container input {
      background-color: #222;
      color: white;
      border: none;
      border-radius: 4px;
      padding: 4px;
      margin-right: 5px;
      font-family: 'Press Start 2P', monospace;
      font-size: 8px;
      width: 80px;  /* Adjust width if needed */
    }
    
    .coin-row-inline {
      display: flex;
      align-items: center;
      background-color: #444;
      padding: 3px 10px;
      border-radius: 4px;
      gap: 10px;
    }
    
    .coin-row-inline label {
      color: white;
      font-family: 'Press Start 2P', monospace;
      font-size: 8px;
    }
    
    .coin-row-inline input {
      background-color: #222;
      color: white;
      border: none;
      border-radius: 4px;
      padding: 4px;
      font-family: 'Press Start 2P', monospace;
      font-size: 8px;
      width: 80px;
    }
    
    .coin-row-inline .submit-button-inline {
      font-family: 'Press Start 2P', monospace;
      font-size: 6px;
      padding: 4px 8px;
      border: none;
      border-radius: 4px;
      background-color: white;
      color: black;
      cursor: pointer;
    }
    
    .coin-row-inline .submit-button-inline:active {
      background-color: #ccc;
    }
    
    .mc-freeze-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background-color: #444;  /* 背景色 */
      padding: 4px 10px;
      border-radius: 4px;
    }
    
    .mc-freeze-label {
      font-family: 'Press Start 2P', monospace;
      color: white;
      font-size: 8px;
      margin-right: 10px; 
    }

.engine-layout {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.engine-label {
  flex-shrink: 0;
  font-weight: bold;
}

.engine-input-group {
  display: flex;
  gap: 8px;
  align-items: center;
}


    
    .input-row-with-submit {
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 6px 0;
      gap: 10px;
    }
    
    .submit-button-inline {
      font-family: 'Press Start 2P', monospace;
      font-size: 6px;
      padding: 4px 8px;
      border: none;
      border-radius: 4px;
      background-color: white;
      color: black;
      cursor: pointer;
    }
    
    .submit-button-inline:active {
      background-color: #ccc;
    }
    
    .submit-container {
      margin-top: 10px;
      text-align: center;
    }
    
    .submit-button {
      padding: 8px 15px;
      background-color: #444;
      color: white;
      border: none;
      border-radius: 5px;
      cursor: pointer;
    }
    
    .submit-button:hover {
      background-color: #666;
    }
    
    .slider-checkbox {
      margin-left: 10px;
    }
    
    
/* スライドスイッチ */
.switch {
  position: relative;
  display: inline-block;
  width: 30px;
  height: 15px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  background-color: #ccc;
  border-radius: 15px;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  transition: 0.4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 13px;
  width: 13px;
  left: 2px;
  bottom: 1.1px;
  background-color: white;
  border-radius: 50%;
  transition: 0.4s;
}

.switch input:checked + .slider {
  background-color: #4cd944;
}

.switch input:checked + .slider:before {
  transform: translateX(14px);
}



  .custom-alert {
    font-family: 'Press Start 2P', monospace;
    position: fixed;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%) scale(0.8);
    background: purple;
    color: lightgreen;
    padding: 10px 20px;
    border-radius: 8px;
    border: 3px solid #D8B98A;
    z-index: 9999;
    text-align: center;
    opacity: 0;
    transition: opacity 0.4s ease, transform 0.4s ease;
    pointer-events: none;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
  }
  .custom-alert.show {
    opacity: 1;
    transform: translateX(-50%) scale(1);
    pointer-events: auto;
  }