diff --git a/src/main/resources/templates/views/apps/apis/KAPAP004U10.html b/src/main/resources/templates/views/apps/apis/KAPAP004U10.html
index 98b54bc..b671516 100644
--- a/src/main/resources/templates/views/apps/apis/KAPAP004U10.html
+++ b/src/main/resources/templates/views/apps/apis/KAPAP004U10.html
@@ -1,6 +1,6 @@
 <!doctype html>
 <html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org"
-      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kbank_api_layout}">
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kjbank_base_layout}">
 
 
 <body>
diff --git a/src/main/resources/templates/views/apps/apis/KAPAP004U3.html b/src/main/resources/templates/views/apps/apis/KAPAP004U3.html
index 563e28c..da23afb 100644
--- a/src/main/resources/templates/views/apps/apis/KAPAP004U3.html
+++ b/src/main/resources/templates/views/apps/apis/KAPAP004U3.html
@@ -1,6 +1,6 @@
 <!doctype html>
 <html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org"
-      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kbank_api_layout}">
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kjbank_base_layout}">
 
 
 <body>
diff --git a/src/main/resources/templates/views/apps/apis/KAPAP004U4.html b/src/main/resources/templates/views/apps/apis/KAPAP004U4.html
index 46b770f..f330ed0 100644
--- a/src/main/resources/templates/views/apps/apis/KAPAP004U4.html
+++ b/src/main/resources/templates/views/apps/apis/KAPAP004U4.html
@@ -1,6 +1,6 @@
 <!doctype html>
 <html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org"
-      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kbank_api_layout}">
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kjbank_base_layout}">
 
 
 <body>
diff --git a/src/main/resources/templates/views/apps/apis/KAPAP004U5.html b/src/main/resources/templates/views/apps/apis/KAPAP004U5.html
index c901331..0f78102 100644
--- a/src/main/resources/templates/views/apps/apis/KAPAP004U5.html
+++ b/src/main/resources/templates/views/apps/apis/KAPAP004U5.html
@@ -1,6 +1,6 @@
 <!doctype html>
 <html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org"
-      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kbank_api_layout}">
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kjbank_base_layout}">
 
 
 <body>
diff --git a/src/main/resources/templates/views/apps/apis/KAPAP004U6.html b/src/main/resources/templates/views/apps/apis/KAPAP004U6.html
index 87f30b6..08c85ec 100644
--- a/src/main/resources/templates/views/apps/apis/KAPAP004U6.html
+++ b/src/main/resources/templates/views/apps/apis/KAPAP004U6.html
@@ -1,6 +1,6 @@
 <!doctype html>
 <html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org"
-      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kbank_api_layout}">
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kjbank_base_layout}">
 
 
 <body>
diff --git a/src/main/resources/templates/views/apps/apis/KAPAP004U7.html b/src/main/resources/templates/views/apps/apis/KAPAP004U7.html
index 9009707..c2f89f7 100644
--- a/src/main/resources/templates/views/apps/apis/KAPAP004U7.html
+++ b/src/main/resources/templates/views/apps/apis/KAPAP004U7.html
@@ -1,6 +1,6 @@
 <!doctype html>
 <html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org"
-      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kbank_api_layout}">
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kjbank_base_layout}">
 
 
 <body>
diff --git a/src/main/resources/templates/views/apps/apis/KAPAP004U8.html b/src/main/resources/templates/views/apps/apis/KAPAP004U8.html
index 44e63c2..c415b0a 100644
--- a/src/main/resources/templates/views/apps/apis/KAPAP004U8.html
+++ b/src/main/resources/templates/views/apps/apis/KAPAP004U8.html
@@ -1,6 +1,6 @@
 <!doctype html>
 <html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org"
-      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kbank_api_layout}">
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kjbank_base_layout}">
 
 
 <body>
diff --git a/src/main/resources/templates/views/apps/apis/KAPAP004U9.html b/src/main/resources/templates/views/apps/apis/KAPAP004U9.html
index 0ae0c80..1237b14 100644
--- a/src/main/resources/templates/views/apps/apis/KAPAP004U9.html
+++ b/src/main/resources/templates/views/apps/apis/KAPAP004U9.html
@@ -1,6 +1,6 @@
 <!doctype html>
 <html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org"
-      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kbank_api_layout}">
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kjbank_base_layout}">
 
 
 <body>
diff --git a/src/main/resources/templates/views/apps/apis/mainApiCommon.html b/src/main/resources/templates/views/apps/apis/mainApiCommon.html
index 62076eb..f9085a0 100644
--- a/src/main/resources/templates/views/apps/apis/mainApiCommon.html
+++ b/src/main/resources/templates/views/apps/apis/mainApiCommon.html
@@ -1,6 +1,6 @@
 <!doctype html>
 <html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org"
-      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kbank_api_layout}"
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kjbank_base_layout}"
       xmlns:sec="http://www.thymeleaf.org/extras/spring-security">
 
 
diff --git a/src/main/resources/templates/views/apps/apis/mainApiList.html b/src/main/resources/templates/views/apps/apis/mainApiList.html
index 4223b1e..19e292c 100644
--- a/src/main/resources/templates/views/apps/apis/mainApiList.html
+++ b/src/main/resources/templates/views/apps/apis/mainApiList.html
@@ -2,15 +2,25 @@
 <html xmlns="http://www.w3.org/1999/xhtml"
       xmlns:th="http://www.thymeleaf.org"
       xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
-      layout:decorate="~{layout/kjbank_base_layout}">
+      layout:decorate="~{layout/kjbank_title_layout}">
 
 <body>
+<th:block layout:fragment="title">
+  <div class="org-page-title-banner" style="margin-bottom: 40px;">
+    <h1>API 마켓</h1>
+  </div>
+</th:block>
 
 <th:block layout:fragment="contentFragment">
   <section class="api-market-container">
 
       <!-- Sidebar Navigation -->
       <aside class="api-market-sidebar" id="apiSidebar">
+        <!-- Sidebar Header Image -->
+        <div class="api-sidebar-header">
+          <img th:src="@{/img/api_sidebar.png}" alt="API">
+        </div>
+
         <nav class="api-sidebar-nav">
           <!-- All APIs -->
           <div class="menu-section">
@@ -45,10 +55,6 @@
 
         <!-- Header -->
         <div class="api-market-header">
-          <div class="api-market-title">
-            <h1>오픈API</h1>
-            <h2>API 마켓</h2>
-          </div>
           <div class="api-market-search">
             <form id="searchForm" th:action="@{/apis}" method="get">
               <input type="hidden" name="groupIds" th:value="${search.groupIds != null and !search.groupIds.isEmpty() ? search.groupIds[0] : ''}"/>
@@ -76,33 +82,29 @@
                th:data-href="@{/apis/detail(id=${api.apiId})}"
                role="button"
                tabindex="0">
-            <div>
-              <!-- Card Header with Badge -->
-              <div class="api-card-header">
-              <span class="api-card-badge" th:if="${api.apiGroupName}" th:text="${api.apiGroupName}">
-                카테고리
-              </span>
+            <!-- Group Info -->
+            <div class="api-card-group">
+              <div class="api-card-group-icon">
+                <img th:if="${api.mainIcon}"
+                     th:src="${api.mainIcon}"
+                     th:alt="${api.apiGroupName}"
+                     onerror="this.style.display='none'; this.parentElement.innerHTML='<i class=\'fas fa-cube\'></i>'">
+                <i th:if="${#strings.isEmpty(api.mainIcon)}" class="fas fa-cube"></i>
               </div>
-
-              <!-- Card Title -->
-              <h3 class="api-card-title" th:text="${api.apiName}">
-                API 이름
-              </h3>
-
-              <!-- Card Description -->
-              <p class="api-card-description" th:text="${api.apiSimpleDescription ?: 'API 설명이 없습니다.'}">
-                API 설명
-              </p>
+              <span class="api-card-group-name" th:text="${api.apiGroupName}">
+                그룹 이름
+              </span>
             </div>
 
-            <!-- Card Icon -->
-            <div class="api-card-icon">
-              <img th:if="${api.mainIcon}"
-                   th:src="${api.mainIcon}"
-                   th:alt="${api.apiName}"
-                   onerror="this.style.display='none'; this.parentElement.innerHTML='📄'">
-              <span th:if="${#strings.isEmpty(api.mainIcon)}">📄</span>
-            </div>
+            <!-- API Name -->
+            <h3 class="api-card-name" th:text="${api.apiName}">
+              API 이름
+            </h3>
+
+            <!-- API Description -->
+            <p class="api-card-description" th:text="${api.apiSimpleDescription ?: 'API 설명이 없습니다.'}">
+              API 설명
+            </p>
           </div>
         </div>
 
diff --git a/src/main/resources/templates/views/apps/apis/static/tokenApiSpec.html b/src/main/resources/templates/views/apps/apis/static/tokenApiSpec.html
index d007700..d93eee7 100644
--- a/src/main/resources/templates/views/apps/apis/static/tokenApiSpec.html
+++ b/src/main/resources/templates/views/apps/apis/static/tokenApiSpec.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org"
-      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kbank_api_layout}">
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kjbank_base_layout}">
 <body>
 
 <section layout:fragment="contentFragment" class="content api_con">
@@ -379,4 +379,4 @@ grant_type=client_credentials&client_id=your_client_id&client_secret=your_client
     </script>
 </th:block>
 </body>
-</html>
\ No newline at end of file
+</html>
