맨 위로 이동 버튼

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        <div class="absolute w-full h-full transform rotate-60 scale-130" style="background-image: url('data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\' viewBox=\'0 0 100 100\'><filter id=\'f1\'><feTurbulence type=\'fractalNoise\' baseFrequency=\'0.02\' numOctaves=\'3\' stitchTiles=\'stitch\'/><feColorMatrix type=\'saturate\' values=\'0\'/><feMorphology operator=\'dilate\' radius=\'2\'/><feGaussianBlur stdDeviation=\'2\'/></filter><rect x=\'0\' y=\'0\' width=\'100\' height=\'100\' fill=\'maroon\' filter=\'url(%23f1)\' opacity=\'0.5\'/></svg>'); background-size: cover; background-position: center; border-radius: 50%; opacity: 0.12;"></div>
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      <!-- Arrow Icon - Simple geometric shapes -->
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    <!-- Inner 'Button' Element -->
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      <!-- Brutalist Background Slash/Pattern -->
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      <!-- Main Arrow Icon -->
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      <!-- Brutalist Text Overlay (hidden until hover/focus) -->
      <span class="absolute text-xs md:text-sm lg:text-base font-bold uppercase tracking-widest opacity-0 group-hover:opacity-100 group-focus:opacity-100 transition-opacity duration-300 z-20 -bottom-full group-hover:bottom-2 group-focus:bottom-2 transform rotate-90 origin-bottom-left group-hover:rotate-0 group-focus:rotate-0 transition-all duration-300 text-stone-100 dark:text-stone-900 bg-stone-800 dark:bg-stone-200 px-1 py-0.5 rounded-sm">TOP</span>
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<style>
  /* Add this if you need custom keyframe animations not covered by default Tailwind */
  @keyframes arrow-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
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  .animate-arrow-bounce {
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  .group:hover .animate-arrow-bounce, .group:focus .animate-arrow-bounce {
    animation: none; /* Stop bounce on hover/focus */
    transform: translateY(-5px); /* Optional: slight lift on hover */
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  /* Custom shadow for brutalism */
  .shadow-brutalist-light {
    box-shadow: 8px 8px 0px 0px #292524; /* Color-aligned with stone-800 */
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  .dark .shadow-brutalist-dark {
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  <!-- Simulate page content to demonstrate button functionality -->
  <div class="container mx-auto px-4 py-12">
    <h1 class="text-4xl md:text-5xl font-bold mb-8 text-gray-900 dark:text-gray-100 leading-tight">Welcome to Our Learning Platform</h1>
    
    <p class="mb-6 text-lg text-gray-700 dark:text-gray-300 leading-relaxed">
      Explore a world of knowledge and expand your horizons. Our courses are designed to be engaging, informative, and accessible to everyone. Dive deep into subjects that ignite your curiosity and empower your future.
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        <h3 class="text-xl font-semibold mb-2 text-gray-900 dark:text-gray-100">Fundamentals of Web Development</h3>
        <p class="text-gray-600 dark:text-gray-400 text-sm">Learn the basics of HTML, CSS, and JavaScript to build your first website.</p>
      </div>
      <div class="bg-white dark:bg-gray-800 p-6 rounded-lg shadow-md border border-gray-200 dark:border-gray-700 hover:shadow-lg transition-shadow duration-300 ease-in-out">
        <img src="https://picsum.photos/300/200?random=2" alt="Course Thumbnail" class="w-full h-40 object-cover rounded-md mb-4 border border-gray-300 dark:border-gray-600">
        <h3 class="text-xl font-semibold mb-2 text-gray-900 dark:text-gray-100">Introduction to Data Science</h3>
        <p class="text-gray-600 dark:text-gray-400 text-sm">Discover the power of data analysis and machine learning with practical examples.</p>
      </div>
      <div class="bg-white dark:bg-gray-800 p-6 rounded-lg shadow-md border border-gray-200 dark:border-gray-700 hover:shadow-lg transition-shadow duration-300 ease-in-out">
        <img src="https://picsum.photos/300/200?random=3" alt="Course Thumbnail" class="w-full h-40 object-cover rounded-md mb-4 border border-gray-300 dark:border-gray-600">
        <h3 class="text-xl font-semibold mb-2 text-gray-900 dark:text-gray-100">Creative Writing Workshop</h3>
        <p class="text-gray-600 dark:text-gray-400 text-sm">Unleash your inner storyteller and master the art of compelling narratives.</p>
      </div>
    </div>

    <div class="bg-white dark:bg-gray-800 p-8 rounded-lg shadow-inner border border-gray-200 dark:border-gray-700 text-gray-800 dark:text-gray-200 prose lg:prose-lg max-w-none mb-12">
      <h2 class="text-3xl font-bold mb-4 border-b pb-2 border-gray-300 dark:border-gray-600 text-gray-900 dark:text-gray-100">Deep Dive into Learning</h2>
      <p>Our platform offers a diverse range of courses, from technology to arts, designed to foster continuous learning. We believe that education should be accessible and enjoyable. Each lesson is crafted by experts in their field, ensuring you receive high-quality, up-to-date information.</p>
      <p>Gain practical skills through hands-on exercises and real-world projects. Connect with a vibrant community of learners and educators. Share insights, ask questions, and collaborate on exciting new ideas. Education is a journey, and we're here to guide you every step of the way.</p>
      <p>Whether you're a beginner looking to pick up a new skill or an experienced professional aiming to refine your expertise, our comprehensive curriculum has something for everyone. Embrace the future of learning with us.</p>
      
      <ul class="list-disc list-inside space-y-2 mt-6">
        <li>Interactive lessons and quizzes</li>
        <li>Downloadable resources and guides</li>
        <li>Expert-led video tutorials</li>
        <li>Student discussion forums</li>
        <li>Certificate of completion</li>
      </ul>
      
      <p class="mt-6 italic text-gray-600 dark:text-gray-400">“The more that you read, the more things you will know. The more that you learn, the more places you'll go.” – Dr. Seuss</p>
    </div>

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      Scroll down further to see the button appear!
    </div>
    <div class="h-[800px] w-full bg-gray-100 dark:bg-gray-800 flex items-center justify-center rounded-lg shadow-md border border-gray-200 dark:border-gray-700 text-gray-800 dark:text-gray-200 text-xl font-semibold mb-12">
      Keep scrolling...
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      End of a very long page section.
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  <!-- Back to Top Button -->
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          class="fixed bottom-6 right-6 lg:bottom-8 lg:right-8 
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<script>
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<style>
  /* Define accent color variable */
  :root {
    --accent-color: #ef4444; /* Tailwind red-500 */
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  .dark:root {
    --accent-color: #f87171; /* Tailwind red-400 for dark mode */
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    box-shadow: 0 0 0 4px rgba(var(--tw-accent-400-rgb), 0.5);
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  /* Tailwind does not have a direct way to define custom colors on the fly for arbitrary properties, 
     so we're using a slight workaround with CSS variables for the focus ring, 
     assuming 'accent-500' and 'accent-400' are conceptually mapped to primary accent colors. 
     For a true Tailwind-only solution without global CSS, one would typically use 
     pre-defined Tailwind colors like `focus:ring-red-500/50`. 
     For this demo, we'll demonstrate a custom accent using the red-500/400 mapping. 
  */
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    background-size: 6px 6px;
  }
  */
</style>
              

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  <!-- Outer rotating square container -->
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    <div class="absolute inset-0 bg-purple-600 dark:bg-purple-800 rounded-lg shadow-xl group-hover:scale-110 transition-transform duration-300 ease-out"></div>

    <!-- Smaller offset violet triangle overlay -->
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    <!-- Smaller offset lavendar circle overlay -->
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    <!-- The actual button element (positioned to appear central in the rotated context) -->
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      aria-label="Back to top"
      onclick="window.scrollTo({ top: 0, behavior: 'smooth' });"
      class="absolute inset-0 flex items-center justify-center p-4 transform -rotate-45 group-hover:rotate-0 transition-transform duration-500 ease-in-out
             rounded-xl focus:outline-none focus:ring-4 focus:ring-purple-300 dark:focus:ring-purple-700
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    >
      <!-- Inner button styling for Memphis flair -->
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            d="M5 10l7-7m0 0l7 7m-7-7v18"
          ></path>
        </svg>

        <!-- Small decorative dot overlay (Memphis style) -->
        <div class="absolute -top-1 -right-1 w-3 h-3 sm:w-4 sm:h-4 md:w-5 md:h-5 bg-pink-400 dark:bg-pink-600 rounded-full shadow-lg group-hover:scale-150 transition-transform duration-300"></div>
        <div class="absolute -bottom-1 -left-1 w-3 h-3 sm:w-4 sm:h-4 md:w-5 md:h-5 bg-teal-400 dark:bg-teal-600 rounded-full shadow-lg group-hover:scale-150 transition-transform duration-300"></div>
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           focus:outline-none focus:ring-4 focus:ring-amber-500/50 dark:focus:ring-amber-300/50
           transition-all duration-150 ease-in-out
           flex items-center justify-center space-x-2 w-16 h-16 sm:w-20 sm:h-20"
    aria-label="Back to top"
  >
    <svg class="w-8 h-8 sm:w-10 sm:h-10 transform -rotate-90" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
      <path stroke-linecap="square" stroke-linejoin="square" stroke-width="3" d="M9 5l7 7-7 7"></path>
    </svg>
  </button>
  <div class="absolute -top-1 -left-1 w-16 h-16 sm:w-20 sm:h-20 border-2 border-stone-900 dark:border-stone-100 pointer-events-none group-active:translate-x-[4px] group-active:translate-y-[4px] transition-all duration-150 ease-in-out"></div>
  <div class="absolute top-1 left-1 w-16 h-16 sm:w-20 sm:h-20 border-2 border-stone-900 dark:border-stone-100 pointer-events-none group-active:translate-x-[4px] group-active:translate-y-[4px] transition-all duration-150 ease-in-out"></div>
</div>
              

                <div class="fixed bottom-4 right-4 z-50">
  <button aria-label="Scroll to top" class="dark:bg-gray-700 dark:hover:bg-gray-600 dark:text-gray-200 dark:shadow-lg focus:outline-none dark:focus:ring-gray-500 rounded-full bg-gray-800 p-3 text-white shadow-md transition-all duration-300 ease-in-out hover:scale-105 hover:bg-gray-700 focus:ring-4 focus:ring-gray-300 active:scale-95 md:p-4 lg:p-5">
    <svg class="h-6 w-6 md:h-7 md:w-7 lg:h-8 lg:w-8" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
      <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 10l7-7m0 0l7 7m-7-7v18"></path>
    </svg>
  </button>
</div>
              

                <div class="flex items-center justify-center min-h-screen bg-gray-100 dark:bg-gray-900">
  <a href="#" class="back-to-top-button relative p-4 rounded-full shadow-neumorphic-light dark:shadow-neumorphic-dark flex items-center justify-center transition-all duration-300 hover:shadow-neumorphic-light-hover dark:hover:shadow-neumorphic-dark-hover"
    aria-label="Back to top">
    <svg class="w-6 h-6 text-indigo-600 dark:text-purple-400" fill="none" stroke="currentColor" viewBox="0 0 24 24"
      xmlns="http://www.w3.org/2000/svg">
      <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 10l7-7m0 0l7 7m-7-7v18"></path>
    </svg>
  </a>
</div>

<style>
  .shadow-neumorphic-light {
    box-shadow: 8px 8px 16px #cbced1, -8px -8px 16px #ffffff;
  }

  .dark .shadow-neumorphic-dark {
    box-shadow: 8px 8px 16px #1a1a1a, -8px -8px 16px #2e2e2e;
  }

  .shadow-neumorphic-light-hover {
    box-shadow: inset 6px 6px 12px #cbced1, inset -6px -6px 12px #ffffff;
  }

  .dark .shadow-neumorphic-dark-hover {
    box-shadow: inset 6px 6px 12px #1a1a1a, inset -6px -6px 12px #2e2e2e;
  }
</style>