style: apply Vercel-inspired responsive UI & fluid scaling

index.html

@@ -5,7 +5,7 @@
   <meta charset="UTF-8" />
   <link rel="icon" type="image/svg+xml" href="/vite.svg" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>ITAM 자산관리 ERP</title>
+  <title>한맥가족 자산관리시스템</title>
   <link rel="stylesheet"
     href="https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable.min.css" />
   <link rel="stylesheet" href="/src/styles/common.css" />
@@ -25,7 +25,7 @@
       <div class="header-container" id="nav-container">
         <div class="brand">
           <img src="/image 92.png" alt="Logo" class="main-logo" />
-          <h1>자산관리시스템<span class="sub-title">(Digital Asset Control Hub System)</span></h1>
+          <h1>한맥자산관리시스템</h1>
         </div>
 
         <!-- Navigation (GNB + LNB in same row) -->
@@ -57,8 +57,7 @@
 
     <!-- Footer -->
     <footer class="main-footer">
-      <div id="secret-cloud-trigger" style="width: 20px; height: 20px; cursor: pointer; opacity: 0.1; background: #000; border-radius: 4px; position: absolute; left: 1rem;"></div>
-      <p>Powered by BARON Consultant Co,Ltd</p>
+      <p>&copy; 2026 BARON Consultant Co,Ltd. All rights reserved.</p>
     </footer>
   </div>