メガメニューコンポーネント

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    <h2 class="text-2xl font-semibold">Dashboard Navigation</h2>
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      <h3 class="font-bold text-lg mb-2">Overview</h3>
      <ul>
        <li class="mb-2"><a href="#" class="text-gray-300 hover:text-white">Dashboard Home</a></li>
        <li class="mb-2"><a href="#" class="text-gray-300 hover:text-white">Analytics</a></li>
        <li><a href="#" class="text-gray-300 hover:text-white">Reporting</a></li>
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      <h3 class="font-bold text-lg mb-2">Management</h3>
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        <li class="mb-2"><a href="#" class="text-gray-300 hover:text-white">Users</a></li>
        <li class="mb-2"><a href="#" class="text-gray-300 hover:text-white">Settings</a></li>
        <li><a href="#" class="text-gray-300 hover:text-white">Permissions</a></li>
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    <div class="backdrop-filter backdrop-blur-lg bg-opacity-30 bg-gray-600 dark:bg-gray-700 dark:bg-opacity-40 p-4 rounded-md">
      <h3 class="font-bold text-lg mb-2">Projects</h3>
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        <li class="mb-2"><a href="#" class="text-gray-300 hover:text-white">Active Projects</a></li>
        <li class="mb-2"><a href="#" class="text-gray-300 hover:text-white">Archived Projects</a></li>
        <li><a href="#" class="text-gray-300 hover:text-white">Add New Project</a></li>
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      <h3 class="font-bold text-lg mb-2">Support</h3>
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        <li class="mb-2"><a href="#" class="text-gray-300 hover:text-white">Help Center</a></li>
        <li><a href="#" class="text-gray-300 hover:text-white">Contact Us</a></li>
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      <p class="text-gray-400 text-sm">Last updated: Today</p>
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