seo update

src/components/BottomNav.tsx

@@ -21,8 +21,8 @@ export default function BottomNav() {
       {/* Write */}
       <button
         type="button"
-        className={`bottom-nav-btn ${isActive('/') ? 'bottom-nav-btn-active' : ''}`}
-        onClick={() => navigate('/')}
+        className={`bottom-nav-btn ${isActive('/write') ? 'bottom-nav-btn-active' : ''}`}
+        onClick={() => navigate('/write')}
         aria-label="Write"
       >
         {/* Pencil / edit icon */}

src/components/ProtectedRoute.tsx

@@ -16,7 +16,7 @@ export function ProtectedRoute({ children }: Props) {
   }
 
   if (!user) {
-    return <Navigate to="/login" state={{ from: location }} replace />
+    return <Navigate to="/" state={{ from: location }} replace />
   }
 
   return <>{children}</>