diff --git a/pom.xml b/pom.xml
index 0967737..e5116e3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,6 +24,12 @@
     </properties>
 
     <dependencies>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-actuator</artifactId>
+        </dependency>
+
         <!-- Spring Boot Web + Thymeleaf -->
         <dependency>
             <groupId>org.springframework.boot</groupId>
diff --git a/src/main/resources/static/css/common.css b/src/main/resources/static/css/common.css
index bc8e2e5..4342069 100644
--- a/src/main/resources/static/css/common.css
+++ b/src/main/resources/static/css/common.css
@@ -149,6 +149,9 @@ label,input,button,select,img { vertical-align:middle }
 #top_nav_wrap .h_center .util {
 	display:flex; align-items:center; justify-content:space-between; width:100%
 }
+#top_logo { position:relative }
+#top_logo a { display:inline-block }
+#top_logo img { width:180px; height:auto }
 #top_nav_wrap .h_center .h_left { display:flex; align-items:center }
 #top_nav.sub li>a { color:#fff }
 #top_nav.sub li ul a { color:#888 }
@@ -174,6 +177,16 @@ label,input,button,select,img { vertical-align:middle }
 #topmenuM.dark #m_navBtn span:before,
 #topmenuM.dark #m_navBtn span:after { background-color:#222 }
 
+/* 서브 페이지 모바일 헤더 */
+#hd.sub #topmenuM {
+	background-color:#fff;
+	box-shadow:0 0 12px rgba(0,0,0,0.05);
+}
+#hd.sub #m_navBtn span:before,
+#hd.sub #m_navBtn span:after {
+	background-color:#222 !important;
+}
+
 #m_logo { position:relative }
 #m_logo a { display:inline-block }
 #m_logo img { width:150px }
@@ -294,13 +307,24 @@ body.page-inquiry #m_navBtn.on span:after {
     background-color: #fff;
 }
 
+/* 서브 페이지 PC 로고 교체 */
+#top_nav_wrap.sub #top_logo img {
+    content: url('/img/common/logo_d.png') !important;
+    display: inline-block !important;
+}
+/* 서브 페이지 모바일 로고 교체 */
+#hd.sub #m_logo img {
+    content: url('/img/common/logo_d.png') !important;
+    display: inline-block !important;
+}
+
 /* PC 로고 교체 */
 body.page-inquiry #top_logo img {
-    content: url('/img/common/logo_d.png');
+    content: url('/img/common/logo_d.png') !important;
 }
 /* 모바일 로고 교체 */
 body.page-inquiry #m_logo img {
-    content: url('/img/common/logo_d.png');
+    content: url('/img/common/logo_d.png') !important;
 }
 
 /* 헤더 반응형 */
diff --git a/src/main/resources/static/js/sub.js b/src/main/resources/static/js/sub.js
index bf081b2..c090327 100644
--- a/src/main/resources/static/js/sub.js
+++ b/src/main/resources/static/js/sub.js
@@ -1,8 +1,9 @@
 
 /* ========================== Head & Footer */
 $.get("/include/header").done(function (html) {
+    // main 클래스를 sub로 미리 교체
+    html = html.replace('class="main"', 'class="sub"');
     $("#hd").html(html);
-    $("#top_nav_wrap").removeClass("main").addClass("sub");
 });
 $.get("/include/footer").done(function (html) {
     $("#ft").html(html);