diff --git a/src/app/components/AppHeader.tsx b/src/app/components/AppHeader.tsx
index d32d9c8..3275a7d 100644
--- a/src/app/components/AppHeader.tsx
+++ b/src/app/components/AppHeader.tsx
@@ -17,7 +17,7 @@ export function AppHeader() {
       .catch(() => setCategories([]));
   }, []);
   return (
-    <header className="relative flex items-center justify-between px-4 py-3 border-b bg-white/80 backdrop-blur supports-[backdrop-filter]:bg-white/60">
+    <header className="relative flex items-center justify-between px-4 py-3  bg-white/80 backdrop-blur supports-[backdrop-filter]:bg-white/60">
       <div className="flex items-center gap-3 z-[100]">
         <button
           aria-label="메뉴 열기"
@@ -87,24 +87,25 @@ export function AppHeader() {
       </nav>
       {mobileOpen && (
         <div  className="fixed inset-0 h-[100vh] z-40 bg-black/60 backdrop-blur-sm" onClick={() => setMobileOpen(false)}>
-          <div className="absolute left-0 xl:top-0 h-[100vh] w-4/5 max-w-sm bg-white p-4 shadow-xl overflow-y-auto" onClick={(e) => e.stopPropagation()}>
+          <div className="absolute left-0 xl:top-0 h-[100vh] w-11/12 max-w-md bg-white p-4 shadow-xl overflow-y-auto" onClick={(e) => e.stopPropagation()}>
             <div className="mb-3 h-10 flex items-center justify-between">
             </div>
-            <div className="flex flex-col gap-3">
+            <div className="flex flex-col gap-4">
               <SearchBar />
-              {categories.map((cat) => (
-                <div key={cat.id}>
-                  <div className="my-2 font-semibold text-neutral-800">{cat.name}</div>
-                  <div className="flex flex-col gap-1">
-                    {cat.boards.map((b) => (
-                      <Link key={b.id} href={`/boards/${b.id}`} onClick={() => setMobileOpen(false)} className="rounded px-2 py-1 text-neutral-700 hover:bg-neutral-100 hover:text-neutral-900">
-                        {b.name}
-                      </Link>
-                    ))}
+              <div className="grid grid-cols-2 gap-4">
+                {categories.map((cat) => (
+                  <div key={cat.id}>
+                    <div className="mb-2 font-semibold text-neutral-800">{cat.name}</div>
+                    <div className="flex flex-col gap-1">
+                      {cat.boards.map((b) => (
+                        <Link key={b.id} href={`/boards/${b.id}`} onClick={() => setMobileOpen(false)} className="rounded px-2 py-1 text-neutral-700 hover:bg-neutral-100 hover:text-neutral-900">
+                          {b.name}
+                        </Link>
+                      ))}
+                    </div>
                   </div>
-                </div>
-              ))}
-              <div className="mt-3" />
+                ))}
+              </div>
             </div>
           </div>
         </div>
diff --git a/src/app/layout.tsx b/src/app/layout.tsx
index bc8bdc0..1bcdf1c 100644
--- a/src/app/layout.tsx
+++ b/src/app/layout.tsx
@@ -7,8 +7,8 @@ import { ToastProvider } from "@/app/components/ui/ToastProvider";
 
 
 export const metadata: Metadata = {
-  title: "msg App",
-  description: "msg App",
+  title: "ASSM",
+  description: "assm",
 };
 
 export default function RootLayout({