diff --git a/app/Views/pages/v2/m701/detail.php b/app/Views/pages/v2/m701/detail.php
index a158aef..6353acb 100644
--- a/app/Views/pages/v2/m701/detail.php
+++ b/app/Views/pages/v2/m701/detail.php
@@ -112,13 +112,13 @@ if (!empty($data['cert_register']) && $data['cert_register_save_yn'] != 'Y') {	/
 
     <div class="col-md-12 col-xl-12">
         <div class="col-lg-12">
-            <div class="main-card mb-3 card">
+            <div class="main-card mb-2 card">
                 <div class="card-header bg-white border-bottom shadow-sm">
-                    <div class="d-flex flex-wrap align-items-center justify-content-between gap-3">
+                    <div class="d-flex flex-wrap align-items-center gap-3 w-100 card-header-tab">
                         <div>
-                            <h5 class="mb-0 fw-bold">확인매물 상세 내용</h5>
+                            <h4 class="mb-0 fw-bold text-dark">확인매물 상세 내용</h4>
                         </div>
-                        <div class="d-flex flex-wrap align-items-center gap-3">
+                        <div class="d-flex flex-wrap align-items-center gap-3 ms-auto">
                             <div style="white-space: nowrap;">
                                 <span class="text-muted me-2">매물ID:</span>
                                 <span class="fw-bold text-primary fs-6"><?= $data['atcl_no'] ?></span>
@@ -154,7 +154,7 @@ if (!empty($data['cert_register']) && $data['cert_register_save_yn'] != 'Y') {	/
                 </div>
             </div>
 
-            <div class="main-card mb-3 card">
+            <div class="main-card mb-2 card">
                 <div class="card-body">
                     <h5 class="card-title">매물 정보</h5>
                     <div class="table-responsive">
@@ -552,7 +552,7 @@ if (!empty($data['cert_register']) && $data['cert_register_save_yn'] != 'Y') {	/
             $villa_rlet_type_cd = ['A05', 'A06'];
             if (isset($detail_hscp['aptType']) && in_array($detail_hscp['aptType'], $apt_rlet_type_cd)):
                 ?>
-                <div class="main-card mb-3 card">
+                <div class="main-card mb-2 card">
                     <div class="card-body ">
                         <h5 class="card-title">단지 정보</h5>
                         <table class="table table-bordered table-sm tbl_basic2 apt-info-table">
@@ -576,7 +576,7 @@ if (!empty($data['cert_register']) && $data['cert_register_save_yn'] != 'Y') {	/
             <?php
             if (isset($detail_hscp['aptType']) && in_array($detail_hscp['aptType'], $villa_rlet_type_cd)):
                 ?>
-                <div class="main-card mb-3 card">
+                <div class="main-card mb-2 card">
                     <div class="card-body ">
                         <h5 class="card-title">단지 정보</h5>
                         <table class="table table-bordered table-sm tbl_basic2 apt-info-table">
@@ -610,7 +610,7 @@ if (!empty($data['cert_register']) && $data['cert_register_save_yn'] != 'Y') {	/
             <?php endif; ?>
         <?php endif; ?>
 
-        <div class="main-card mb-3 card">
+        <div class="main-card mb-2 card">
             <div class="card-body ">
                 <h5 class="card-title">상태변경</h5>
                 <?php foreach ($codes as $c): ?>
@@ -623,7 +623,7 @@ if (!empty($data['cert_register']) && $data['cert_register_save_yn'] != 'Y') {	/
         </div>
 
 
-        <div class="main-card mb-3 card" id="docu_chk" style="display: none;">
+        <div class="main-card mb-2 card" id="docu_chk" style="display: none;">
             <div class="card-body">
                 <h5 class="card-title">서류확인 정보</h5>
 
@@ -867,7 +867,7 @@ if (!empty($data['cert_register']) && $data['cert_register_save_yn'] != 'Y') {	/
             </div>
         </div>
 
-        <div class="main-card mb-3 card" id="call_chk" style="display: none;">
+        <div class="main-card mb-2 card" id="call_chk" style="display: none;">
             <div class="card-body">
                 <h5 class="card-title">전화확인 정보</h5>
 
@@ -1082,7 +1082,7 @@ if (!empty($data['cert_register']) && $data['cert_register_save_yn'] != 'Y') {	/
         </div>
 
 
-        <div class="main-card mb-3 card" id="regibox">
+        <div class="main-card mb-2 card" id="regibox">
             <div class="card-body">
                 <h5 class="card-title">등기부등본확인 정보</h5>
 
@@ -1344,7 +1344,7 @@ if (!empty($data['cert_register']) && $data['cert_register_save_yn'] != 'Y') {	/
 
 
 
-        <div class="main-card mb-3 card">
+        <div class="main-card mb-2 card">
             <div class="card-body ">
                 <h5 class="card-title">정보변경 이력</h5>
                 <div class="table-scroll">
diff --git a/public/architectui/assets/styles/custom.css b/public/architectui/assets/styles/custom.css
index 40a8b73..583cd3d 100644
--- a/public/architectui/assets/styles/custom.css
+++ b/public/architectui/assets/styles/custom.css
@@ -46,3 +46,58 @@ select option {
 .alert {
     font-size: var(--component-font-size);
 }
+
+/* 메인 컨텐츠 여백 축소 */
+.app-main .app-main__inner {
+    padding: 1rem 1rem 0;
+}
+
+@media (max-width: 575.98px) {
+    .app-main .app-main__inner {
+        padding: 0.75rem 0.75rem 0;
+    }
+}
+
+/* ========================================
+   사이드바 크기 조정
+   ======================================== */
+
+/* 사이드바 전체 너비 조정: 280px -> 240px */
+.app-sidebar {
+    width: 240px !important;
+    min-width: 240px !important;
+    flex: 0 0 240px !important;
+}
+
+/* 사이드바 내부 여백 조정: 1.5rem -> 1rem */
+.app-sidebar .app-sidebar__inner {
+    padding: 2px 1rem 1rem !important;
+}
+
+/* 닫힌 사이드바 호버 시 너비 */
+.closed-sidebar .app-sidebar:hover {
+    flex: 0 0 240px !important;
+    width: 240px !important;
+}
+
+/* 닫힌 사이드바 호버 시 메뉴 아이템 여백 */
+.closed-sidebar .app-sidebar:hover .app-sidebar__inner ul li a {
+    padding: 0 1rem 0 45px !important;
+}
+
+/* 모바일 화면 조정 */
+@media (max-width: 767.98px) {
+    .app-sidebar {
+        flex: 0 0 240px !important;
+        width: 240px !important;
+        transform: translateX(-240px) !important;
+    }
+    
+    .sidebar-mobile-open .app-sidebar {
+        transform: translateX(0) !important;
+    }
+    
+    .sidebar-mobile-open .app-sidebar .app-sidebar__inner ul li a {
+        padding: 0 1rem 0 45px !important;
+    }
+}