Brutalism ログイン/サインアップ コンポーネント

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    <h2 class="text-2xl font-bold mb-6 text-center uppercase">Join Us</h2>
    
    <div class="mb-4">
      <label for="email" class="block text-sm font-bold mb-2">Email</label>
      <input type="email" id="email" class="w-full p-3 border-4 border-black dark:border-white bg-yellow-200 dark:bg-purple-900 focus:outline-none focus:ring-0 focus:border-red-600 dark:focus:border-red-400" placeholder="[email protected]">
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    <div class="mb-6">
      <label for="password" class="block text-sm font-bold mb-2">Password</label>
      <input type="password" id="password" class="w-full p-3 border-4 border-black dark:border-white bg-yellow-200 dark:bg-purple-900 focus:outline-none focus:ring-0 focus:border-red-600 dark:focus:border-red-400" placeholder="********">
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    <button class="w-full bg-red-600 dark:bg-red-400 text-white font-bold py-3 px-4 border-4 border-black dark:border-white uppercase">Login</button>
    
    <p class="text-center text-sm mt-4">Don't have an account? <a href="#" class="text-red-600 dark:text-red-400 font-bold">Sign up here</a>.</p>
    
    <div class="mt-8 text-center">
      <p class="text-lg font-bold mb-4">Or login with:</p>
      <div class="flex justify-center space-x-4">
        <button class="bg-blue-600 dark:bg-blue-400 text-white font-bold py-2 px-4 border-4 border-black dark:border-white">Facebook</button>
        <button class="bg-red-500 dark:bg-red-700 text-white font-bold py-2 px-4 border-4 border-black dark:border-white">Google</button>
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