.cookie-banner {
    position: fixed;
    bottom: -100%;
    left: 0;
    width: 100%;
    background-color: #1a1a1a;
    color: #ffffff;
    padding: 16px 24px;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.15);
    z-index: 9999;
    transition: bottom 0.4s ease-in-out;
    box-sizing: border-box;
  }

  /* バナー表示用クラス */
  .cookie-banner.show {
    bottom: 0;
  }

  .cookie-content {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
  }

  .cookie-text {
    margin: 0;
    font-size: 14px;
    line-height: 1.5;
  }

  .cookie-link {
    color: #4da6ff;
    text-decoration: underline;
  }

  .cookie-buttons {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
  }

  .cookie-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    transition: opacity 0.2s;
  }

  .cookie-btn:hover {
    opacity: 0.85;
  }

  .btn-accept {
    background-color: #007bff;
    color: #ffffff;
  }

  .btn-decline {
    background-color: #444444;
    color: #ffffff;
  }

  /* スマホ対応レスポンシブ */
  @media (max-width: 768px) {
    .cookie-content {
      flex-direction: column;
      align-items: flex-start;
    }
    .cookie-buttons {
      width: 100%;
    }
    .cookie-btn {
      flex: 1;
    }
  }