diff --git a/FO/FO.csproj b/FO/FO.csproj
index 90de76c..9dbbe67 100644
--- a/FO/FO.csproj
+++ b/FO/FO.csproj
@@ -315,6 +315,7 @@
     <Content Include="img\common\into_ico03.png" />
     <Content Include="img\common\into_ico04.png" />
     <Content Include="img\common\into_ico05.png" />
+    <Content Include="img\common\intranet_logo_b.png" />
     <Content Include="img\common\join_select01.png" />
     <Content Include="img\common\join_select02.png" />
     <Content Include="img\common\join_select03.png" />
diff --git a/FO/css/style.css b/FO/css/style.css
index efdfd83..f370671 100644
--- a/FO/css/style.css
+++ b/FO/css/style.css
@@ -28,7 +28,14 @@ body {}
 @media (min-width:1221px) {	
 	#gnb {position: fixed; z-index:100; top: 0; left: 0; right: 0; height: 100px; background: #fff;}
 	.gngLogo {height: 100px; position: absolute; top: 0; left: 0; z-index: 1;}
-	.gngLogo a {display:block; height:100%; width:187px; text-indent:-9999px; background:url('../../img/common/gnb_logo.jpg')no-repeat center center; background-size: 100% auto;}
+        .gngLogo a {
+            display: block;
+            height: 100%;
+            width: 187px;
+            text-indent: -9999px;
+            background: url('../../img/common/intranet_logo_b.png')no-repeat center center;
+            background-size: 100% auto;
+        }
 	.gnbWrap:after {content: ''; display: table; clear: both;}
 	.gnbRht {float: right;}
 	.gnbRht:after {content: ''; display: table; clear: both;}
@@ -61,7 +68,15 @@ body {}
 	#gnb {z-index:100; position: fixed; left: 0; right: 0; top: 0; border: solid 1px #ddd; height: 61px; background: #fff;}
 	#gnbTop {height:61px; border-bottom: solid 1px #e0e0e0; background: #fff; z-index: 103; position: relative;}
 	.gngLogo {z-index:105; left: 60px; right: 60px; position: absolute;}
-	.gngLogo a {display:block; height:60px; text-indent:-9999px; background:url('../../img/common/gnb_logo.jpg')no-repeat center center; background-size: auto 30px !important; -webkit-transition: all 0.3s; transition: all 0.3s;}
+        .gngLogo a {
+            display: block;
+            height: 60px;
+            text-indent: -9999px;
+            background: url('../../img/common/intranet_logo_b.png')no-repeat center center;
+            background-size: auto 30px !important;
+            -webkit-transition: all 0.3s;
+            transition: all 0.3s;
+        }
 	.gnbMo {display:block; width:60px; height:60px; position:fixed; z-index:105; padding:23px 25px 23px 15px; left:0; top:0; cursor:pointer;}
 	.gnbMo span {display:block; height:1px; background:#000; margin-bottom:5px; position:relative; transition:all .3s ease-in-out; -webkit-transition:all .3s ease-in-out;}
 	.gnbMo span:last-child {margin-bottom:0;}