Eコマースヘッダーコンポーネント

<!-- E-commerce Header with Material Design and Monochromatic Color Scheme -->
<header class="bg-blue-50 dark:bg-blue-900 shadow-md transition-colors duration-300">
  <!-- Top Bar with announcements -->
  <div class="bg-blue-600 dark:bg-blue-800 text-white py-2 px-4 text-center text-sm">
    <p>Free shipping on orders over $50 | Use code WELCOME10 for 10% off your first order</p>
  </div>

  <!-- Main Header -->
  <div class="container mx-auto px-4">
    <div class="flex flex-col md:flex-row items-center justify-between py-4">
      <!-- Logo -->
      <div class="flex items-center mb-4 md:mb-0">
        <a href="#" class="text-2xl font-bold text-blue-700 dark:text-blue-300">
          <span class="flex items-center">
            <svg xmlns="http://www.w3.org/2000/svg" class="h-8 w-8 mr-2" fill="none" viewBox="0 0 24 24" stroke="currentColor">
              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M16 11V7a4 4 0 00-8 0v4M5 9h14l1 12H4L5 9z" />
            </svg>
            ShopMate
          </span>
        </a>
      </div>
      
      <!-- Mobile Menu Button -->
      <div class="md:hidden mb-4 w-full flex justify-end">
        <button class="mobile-menu-button p-2 rounded-md hover:bg-blue-100 dark:hover:bg-blue-700 transition duration-150 focus:outline-none">
          <svg class="h-6 w-6 text-blue-700 dark:text-blue-300" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor">
            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 6h16M4 12h16M4 18h16" />
          </svg>
        </button>
      </div>
      
      <!-- Search Bar -->
      <div class="w-full md:w-1/3 order-3 md:order-2 mb-4 md:mb-0">
        <div class="relative rounded-md shadow-sm">
          <input type="text" placeholder="Search products..." class="w-full pl-10 pr-4 py-2 rounded-md border border-blue-200 dark:border-blue-700 focus:ring-2 focus:ring-blue-500 focus:border-blue-500 dark:focus:ring-blue-400 dark:focus:border-blue-400 bg-white dark:bg-blue-800 dark:text-white transition-colors duration-300" />
          <div class="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none">
            <svg class="h-5 w-5 text-blue-400 dark:text-blue-300" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor">
              <path fill-rule="evenodd" d="M8 4a4 4 0 100 8 4 4 0 000-8zM2 8a6 6 0 1110.89 3.476l4.817 4.817a1 1 0 01-1.414 1.414l-4.816-4.816A6 6 0 012 8z" clip-rule="evenodd" />
            </svg>
          </div>
        </div>
      </div>
      
      <!-- Right Menu Items -->
      <div class="flex items-center space-x-5 order-2 md:order-3">
        <!-- Theme Toggle -->
        <button class="text-blue-700 dark:text-blue-300 hover:text-blue-500 dark:hover:text-blue-200 transition-colors duration-300">
          <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke="currentColor">
            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M20.354 15.354A9 9 0 018.646 3.646 9.003 9.003 0 0012 21a9.003 9.003 0 008.354-5.646z" />
          </svg>
        </button>
        
        <!-- Wishlist -->
        <a href="#" class="relative text-blue-700 dark:text-blue-300 hover:text-blue-500 dark:hover:text-blue-200 transition-colors duration-300">
          <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke="currentColor">
            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4.318 6.318a4.5 4.5 0 000 6.364L12 20.364l7.682-7.682a4.5 4.5 0 00-6.364-6.364L12 7.636l-1.318-1.318a4.5 4.5 0 00-6.364 0z" />
          </svg>
        </a>
        
        <!-- Shopping Cart -->
        <a href="#" class="relative text-blue-700 dark:text-blue-300 hover:text-blue-500 dark:hover:text-blue-200 transition-colors duration-300">
          <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke="currentColor">
            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M16 11V7a4 4 0 00-8 0v4M5 9h14l1 12H4L5 9z" />
          </svg>
          <span class="absolute -top-2 -right-2 w-5 h-5 text-xs bg-blue-500 dark:bg-blue-400 text-white rounded-full flex items-center justify-center">3</span>
        </a>
        
        <!-- User Account -->
        <a href="#" class="flex items-center text-blue-700 dark:text-blue-300 hover:text-blue-500 dark:hover:text-blue-200 transition-colors duration-300">
          <img src="https://randomuser.me/api/portraits/women/44.jpg" alt="User profile" class="w-8 h-8 rounded-full border-2 border-blue-300 dark:border-blue-600 shadow-sm" />
        </a>
      </div>
    </div>
    
    <!-- Navigation Menu -->
    <nav class="hidden md:block border-t border-blue-100 dark:border-blue-700 py-4 transition-colors duration-300">
      <ul class="flex flex-wrap justify-center space-x-8">
        <li><a href="#" class="text-blue-700 dark:text-blue-300 hover:text-blue-500 dark:hover:text-blue-200 font-medium transition-colors duration-300">Home</a></li>
        <li class="group relative">
          <a href="#" class="text-blue-700 dark:text-blue-300 hover:text-blue-500 dark:hover:text-blue-200 font-medium transition-colors duration-300 flex items-center">
            Women
            <svg xmlns="http://www.w3.org/2000/svg" class="h-4 w-4 ml-1" fill="none" viewBox="0 0 24 24" stroke="currentColor">
              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7" />
            </svg>
          </a>
        </li>
        <li class="group relative">
          <a href="#" class="text-blue-700 dark:text-blue-300 hover:text-blue-500 dark:hover:text-blue-200 font-medium transition-colors duration-300 flex items-center">
            Men
            <svg xmlns="http://www.w3.org/2000/svg" class="h-4 w-4 ml-1" fill="none" viewBox="0 0 24 24" stroke="currentColor">
              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7" />
            </svg>
          </a>
        </li>
        <li><a href="#" class="text-blue-700 dark:text-blue-300 hover:text-blue-500 dark:hover:text-blue-200 font-medium transition-colors duration-300">Kids</a></li>
        <li><a href="#" class="text-blue-700 dark:text-blue-300 hover:text-blue-500 dark:hover:text-blue-200 font-medium transition-colors duration-300">Accessories</a></li>
        <li><a href="#" class="text-blue-700 dark:text-blue-300 hover:text-blue-500 dark:hover:text-blue-200 font-medium transition-colors duration-300">Sale</a></li>
        <li><a href="#" class="text-blue-700 dark:text-blue-300 hover:text-blue-500 dark:hover:text-blue-200 font-medium transition-colors duration-300">New Arrivals</a></li>
      </ul>
    </nav>
    
    <!-- Mobile Navigation Menu (Hidden by default) -->
    <nav class="mobile-menu hidden md:hidden border-t border-blue-100 dark:border-blue-700 py-4 transition-colors duration-300">
      <ul class="flex flex-col space-y-4 px-2">
        <li><a href="#" class="block text-blue-700 dark:text-blue-300 hover:text-blue-500 dark:hover:text-blue-200 font-medium transition-colors duration-300">Home</a></li>
        <li><a href="#" class="block text-blue-700 dark:text-blue-300 hover:text-blue-500 dark:hover:text-blue-200 font-medium transition-colors duration-300">Women</a></li>
        <li><a href="#" class="block text-blue-700 dark:text-blue-300 hover:text-blue-500 dark:hover:text-blue-200 font-medium transition-colors duration-300">Men</a></li>
        <li><a href="#" class="block text-blue-700 dark:text-blue-300 hover:text-blue-500 dark:hover:text-blue-200 font-medium transition-colors duration-300">Kids</a></li>
        <li><a href="#" class="block text-blue-700 dark:text-blue-300 hover:text-blue-500 dark:hover:text-blue-200 font-medium transition-colors duration-300">Accessories</a></li>
        <li><a href="#" class="block text-blue-700 dark:text-blue-300 hover:text-blue-500 dark:hover:text-blue-200 font-medium transition-colors duration-300">Sale</a></li>
        <li><a href="#" class="block text-blue-700 dark:text-blue-300 hover:text-blue-500 dark:hover:text-blue-200 font-medium transition-colors duration-300">New Arrivals</a></li>
      </ul>
    </nav>
  </div>
</header>