diff --git a/src/TaxBaik.Web/Pages/Admin/_AdminLayout.cshtml b/src/TaxBaik.Web/Pages/Admin/_AdminLayout.cshtml
index 7cbb7bf..13023a3 100644
--- a/src/TaxBaik.Web/Pages/Admin/_AdminLayout.cshtml
+++ b/src/TaxBaik.Web/Pages/Admin/_AdminLayout.cshtml
@@ -40,7 +40,7 @@
         </header>
         <div class="page-wrapper">
             <div class="container-fluid">
-                <div class="row g-3">
+                <div class="row g-2">
                     <aside class="col-12 col-lg-3 col-xxl-2">
                         <div class="card shadow-sm border-0 admin-sidebar-card sticky-top">
                             <div class="card-header admin-sidebar-header">
@@ -115,13 +115,15 @@
                     </aside>
                     <main class="col-12 col-lg-9 col-xxl-10">
                         <div class="card shadow-sm border-0 admin-content-card admin-main-surface">
-                            <div class="card-body p-3 p-md-4 p-xl-5">
-                                <nav aria-label="breadcrumb" class="mb-4">
+                            <div class="card-header admin-breadcrumb-header">
+                                <nav aria-label="breadcrumb">
                                     <ol class="breadcrumb breadcrumb-muted">
                                         <li class="breadcrumb-item"><a href="/admin/dashboard">관리자</a></li>
                                         <li class="breadcrumb-item active" aria-current="page">@breadcrumbText</li>
                                     </ol>
                                 </nav>
+                            </div>
+                            <div class="card-body p-3 p-md-4 p-xl-4">
                                 @RenderBody()
                             </div>
                         </div>
diff --git a/src/TaxBaik.Web/wwwroot/css/admin.css b/src/TaxBaik.Web/wwwroot/css/admin.css
index 02b5331..e35f411 100644
--- a/src/TaxBaik.Web/wwwroot/css/admin.css
+++ b/src/TaxBaik.Web/wwwroot/css/admin.css
@@ -368,6 +368,8 @@ html, body {
 .admin-sidebar-header {
   background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
   border-bottom: 1px solid var(--border-color-light);
+  padding-top: 0.75rem;
+  padding-bottom: 0.75rem;
 }
 
 .admin-sidebar-body {
@@ -376,9 +378,11 @@ html, body {
 
 .admin-sidebar-card .accordion-button {
   font-weight: var(--font-weight-semibold);
-  font-size: 0.88rem;
+  font-size: 0.82rem;
   color: var(--text-primary);
   background: #fff;
+  padding-top: 0.7rem;
+  padding-bottom: 0.7rem;
 }
 
 .admin-sidebar-card .accordion-button:not(.collapsed) {
@@ -390,9 +394,10 @@ html, body {
 .admin-sidebar-card .list-group-item {
   border: 0;
   border-radius: 0;
-  padding: 0.85rem 1rem;
+  padding: 0.65rem 0.9rem;
   color: var(--text-primary);
   background: transparent;
+  font-size: 0.8rem;
 }
 
 .admin-sidebar-card .list-group-item:hover {
@@ -411,6 +416,16 @@ html, body {
   overflow: hidden;
 }
 
+.admin-breadcrumb-header {
+  background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
+  padding-top: 0.75rem;
+  padding-bottom: 0.75rem;
+}
+
+.admin-breadcrumb-header .breadcrumb {
+  margin-bottom: 0;
+}
+
 .admin-content-card .card-body {
   min-height: calc(100vh - 140px);
 }
@@ -1219,6 +1234,10 @@ textarea:focus-visible {
   padding-bottom: 1rem;
 }
 
+.admin-page-shell .page-header {
+  margin-bottom: 0.75rem !important;
+}
+
 .admin-page-card {
   border: 0;
   box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);