diff --git a/apps/dm_new/app/(landing)/reuse/_components/Lnb.tsx b/apps/dm_new/app/(landing)/reuse/_components/Lnb.tsx
index 4a33e7314..22066069a 100644
--- a/apps/dm_new/app/(landing)/reuse/_components/Lnb.tsx
+++ b/apps/dm_new/app/(landing)/reuse/_components/Lnb.tsx
@@ -29,7 +29,15 @@ export default function Lnb({ title, items }: { title: string; items: LnbItem[]
   const [openLabel, setOpenLabel] = useState<string | null>(defaultOpenLabel);
 
   return (
-    <aside className="w-[260px] min-w-[260px] shrink-0">
+    <aside
+        className={[
+        "fixed left-0 top-[83px]",                 // ✅ 화면 고정 + TopNav 아래로
+        "w-[260px] min-w-[260px] shrink-0",
+        "h-[calc(100vh-83px)]",                    // ✅ 남은 높이만큼
+        "overflow-y-auto",                         // ✅ LNB 내부 스크롤
+        "bg-white z-50",                           // ✅ 겹침 방지
+        ].join(" ")}
+    >
       {/* 타이틀 */}
       <div
         className="h-[120px] flex items-center justify-center
diff --git a/apps/dm_new/app/(landing)/reuse/layout.tsx b/apps/dm_new/app/(landing)/reuse/layout.tsx
index d003de516..b6840bf71 100644
--- a/apps/dm_new/app/(landing)/reuse/layout.tsx
+++ b/apps/dm_new/app/(landing)/reuse/layout.tsx
@@ -1,15 +1,20 @@
 // apps/dm/app/(landing)/reuse/layout.tsx
+"use client";
+
 import "./reuse.module.css";
+
 // import type { ReactNode } from "react";
 import TopNav from "./_components/TopNav";
+import { usePathname } from "next/navigation";
+
+export default function ReuseLayout({ children }: { children: React.ReactNode }) {
+  const pathname = usePathname();
+  const hasLnb = pathname !== "/reuse"; // 예: 메인만 제외
 
-export default function ReuseLandingLayout({ children }: { children: React.ReactNode }) {
   return (
-    <>
-      <div className="min-w-[1800px] overflow-x-auto">
-        <TopNav />
-        <div className="pt-[83px]">{children}</div> {/* TopNav 높이만큼 */}
-      </div>
-    </>
+    <div className="pt-[83px]">
+      {hasLnb && <TopNav />}
+      <main className={hasLnb ? "ml-[260px]" : ""}>{children}</main>
+    </div>
   );
 }