diff --git a/manager/frontend/src/hooks/useAuth.ts b/manager/frontend/src/hooks/useAuth.ts
index 8a628b67..fbf9f0ef 100644
--- a/manager/frontend/src/hooks/useAuth.ts
+++ b/manager/frontend/src/hooks/useAuth.ts
@@ -19,10 +19,11 @@ export function useAuth() {
   }, [])
 
   const login = async (username: string, password: string) => {
-    const params = new URLSearchParams({ username, password })
-    const r = await guardiaApi.post('/api/auth/login', params, {
-      headers: { 'Content-Type': 'application/x-www-form-urlencoded' }
-    })
+    // JSON 방식 (ITSM은 JSON 로그인만 지원)
+    const r = await guardiaApi.post('/api/auth/login',
+      { username, password },
+      { headers: { 'Content-Type': 'application/json' } }
+    )
     const { access_token } = r.data
     sessionStorage.setItem('gm_token', access_token)
     const me = await guardiaApi.get('/api/auth/me')
diff --git a/workspace/zioinfo-web/frontend/public/screenshots/manager_01_login.png b/workspace/zioinfo-web/frontend/public/screenshots/manager_01_login.png
new file mode 100644
index 00000000..0ad676fb
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diff --git a/workspace/zioinfo-web/frontend/public/screenshots/manager_02_dashboard.png b/workspace/zioinfo-web/frontend/public/screenshots/manager_02_dashboard.png
new file mode 100644
index 00000000..a7b63188
Binary files /dev/null and b/workspace/zioinfo-web/frontend/public/screenshots/manager_02_dashboard.png differ
diff --git a/workspace/zioinfo-web/frontend/src/components/layout/Header.jsx b/workspace/zioinfo-web/frontend/src/components/layout/Header.jsx
index be2b45ca..6d1250a6 100644
--- a/workspace/zioinfo-web/frontend/src/components/layout/Header.jsx
+++ b/workspace/zioinfo-web/frontend/src/components/layout/Header.jsx
@@ -105,8 +105,8 @@ export default function Header() {
         <div className="header-inner container">
           {/* 로고 */}
           <Link to="/" className="logo" aria-label="(주)지오정보기술 홈으로">
-            <img src="/zioinfo-logo.png" alt="(주)지오정보기술 로고" height="40"
-                 onError={e => { e.target.src='/ziologo.png'; e.target.onerror = () => { e.target.style.display='none'; e.target.nextSibling.style.display='flex'; }; }} />
+            <img src="/zioinfo-logo-dark.png" alt="(주)지오정보기술 로고" height="40"
+                 onError={e => { e.target.src='/zioinfo-logo.png'; e.target.onerror = () => { e.target.style.display='none'; e.target.nextSibling.style.display='flex'; }; }} />
             <span className="logo-text" style={{display:'none'}}>
               <strong>Zio</strong>Info
             </span>