diff --git a/app/Views/admin/layout.php b/app/Views/admin/layout.php
index 1fc8265..3494f30 100644
--- a/app/Views/admin/layout.php
+++ b/app/Views/admin/layout.php
@@ -16,11 +16,28 @@ $userNav = session_user_nav_display();
 $currentPath = current_nav_request_path();
 $adminNavTree = get_admin_nav_tree();
 
-/** DB 링크(mm_link)만 사용. 짧게 적은 항목(menus 등)은 실제 URI(admin/menus)와 맞춰 후보 비교 */
-$adminNavItemIsCurrent = static function (?string $mmLink) use ($currentPath): bool {
-    return menu_link_matches_request($mmLink, $currentPath, []);
+$resolveAdminNavNodeMatchLen = static function (object $node) use ($currentPath): int {
+    $maxLen = -1;
+    foreach (menu_link_candidate_paths($node->mm_link ?? null, $currentPath) as $cand) {
+        if (menu_single_path_matches_request($cand, $currentPath, [])) {
+            $maxLen = max($maxLen, strlen($cand));
+        }
+    }
+    return $maxLen;
 };
 
+$activeAdminTopNav = null;
+$activeAdminTopLen = -1;
+$activeAdminTopNum = PHP_INT_MAX;
+foreach ($adminNavTree as $topNode) {
+    $nodeLen = $resolveAdminNavNodeMatchLen($topNode);
+    if ($nodeLen > $activeAdminTopLen || ($nodeLen === $activeAdminTopLen && (int) ($topNode->mm_num ?? 0) < $activeAdminTopNum)) {
+        $activeAdminTopNav = $topNode;
+        $activeAdminTopLen = $nodeLen;
+        $activeAdminTopNum = (int) ($topNode->mm_num ?? 0);
+    }
+}
+
 /** 메뉴가 DB에서 안 쓰일 때만(폴백 상단바) 세그먼트 기반 활성 */
 $isActive = static function (string $path) use ($uri, $seg3) {
   if ($path === 'admin' || $path === '') return $uri === '';
@@ -93,15 +110,7 @@ body { overflow: hidden; }
       <?php
         $hasChildren = ! empty($navItem->children);
         $parentLink  = menu_link_preferred_href_path($navItem->mm_link ?? null, $currentPath);
-        $parentIsCurrent = $adminNavItemIsCurrent($navItem->mm_link ?? null);
-        if (! $parentIsCurrent && $hasChildren) {
-            foreach ($navItem->children as $ch) {
-                if ($adminNavItemIsCurrent($ch->mm_link ?? null)) {
-                    $parentIsCurrent = true;
-                    break;
-                }
-            }
-        }
+        $parentIsCurrent = ($activeAdminTopNav !== null && $navItem === $activeAdminTopNav);
       ?>
       <div class="relative group">
         <a class="<?= $parentIsCurrent ? 'text-blue-700 font-bold border-b-2 border-blue-700 pb-3 -mb-3' : 'hover:text-blue-600' ?>"
@@ -112,10 +121,13 @@ body { overflow: hidden; }
         <?php /* 사이트 메뉴와 동일: 호버 끊김 방지 pt-1, 키보드 포커스, z-index */ ?>
         <div class="absolute left-0 top-full z-50 hidden pt-1 min-w-[12rem] group-hover:block group-focus-within:block">
           <div class="bg-white border border-gray-200 rounded shadow-lg py-1">
+            <?php
+              $activeChild = site_nav_active_child_for_parent($navItem, $currentPath, []);
+            ?>
             <?php foreach ($navItem->children as $child): ?>
             <?php
               $childLink      = menu_link_preferred_href_path($child->mm_link ?? null, $currentPath);
-              $childIsCurrent = $adminNavItemIsCurrent($child->mm_link ?? null);
+              $childIsCurrent = $activeChild !== null && $child === $activeChild;
             ?>
             <?php if ($childLink !== ''): ?>
             <a href="<?= base_url($childLink) ?>"
diff --git a/app/Views/bag/layout/main.php b/app/Views/bag/layout/main.php
index 1c2bf70..76de08c 100644
--- a/app/Views/bag/layout/main.php
+++ b/app/Views/bag/layout/main.php
@@ -13,6 +13,28 @@ if ($effectiveLgIdx) {
     $effectiveLgName = $lgRow ? $lgRow->lg_name : null;
 }
 $userNav = session_user_nav_display();
+
+$resolveNavNodeMatchLen = static function (object $node) use ($currentPath, $dashboardPathAliases): int {
+    $maxLen = -1;
+    foreach (menu_link_candidate_paths($node->mm_link ?? null, $currentPath) as $cand) {
+        if (menu_single_path_matches_request($cand, $currentPath, $dashboardPathAliases)) {
+            $maxLen = max($maxLen, strlen($cand));
+        }
+    }
+    return $maxLen;
+};
+
+$activeTopNav = null;
+$activeTopLen = -1;
+$activeTopNum = PHP_INT_MAX;
+foreach ($siteNavTree as $topNode) {
+    $nodeLen = $resolveNavNodeMatchLen($topNode);
+    if ($nodeLen > $activeTopLen || ($nodeLen === $activeTopLen && (int) ($topNode->mm_num ?? 0) < $activeTopNum)) {
+        $activeTop = $topNode;
+        $activeTopLen = $nodeLen;
+        $activeTopNum = (int) ($topNode->mm_num ?? 0);
+    }
+}
 ?>
 <!DOCTYPE html>
 <html lang="ko">
@@ -71,15 +93,7 @@ body { overflow: hidden; }
   <?php foreach ($siteNavTree as $navItem): ?>
   <?php
   $navLink = menu_link_preferred_href_path($navItem->mm_link ?? null, $currentPath);
-  $isActive = site_nav_link_matches_current($navItem->mm_link ?? null, $currentPath, $dashboardPathAliases);
-  if (! $isActive && ! empty($navItem->children)) {
-      foreach ($navItem->children as $ch) {
-          if (site_nav_link_matches_current($ch->mm_link ?? null, $currentPath, $dashboardPathAliases)) {
-              $isActive = true;
-              break;
-          }
-      }
-  }
+  $isActive = ($activeTop !== null && $navItem === $activeTop);
   ?>
   <div class="relative group">
     <a class="<?= $isActive ? 'text-blue-700 font-bold border-b-2 border-blue-700 pb-3 -mb-3' : 'hover:text-blue-600' ?>"
@@ -90,10 +104,13 @@ body { overflow: hidden; }
     <?php /* -mt-1 + pt-2: 부모 링크와 패널이 살짝 겹쳐 호버가 끊기지 않게 함. z-index: 드롭다운 클릭 우선 */ ?>
     <div class="absolute left-0 top-full z-[200] -mt-1 pt-2 min-w-[12rem] hidden group-hover:block group-focus-within:block">
       <div class="bg-white border border-gray-200 rounded shadow-lg py-1">
+      <?php
+        $activeChild = site_nav_active_child_for_parent($navItem, $currentPath, $dashboardPathAliases);
+      ?>
       <?php foreach ($navItem->children as $child): ?>
       <?php
         $childLink    = menu_link_preferred_href_path($child->mm_link ?? null, $currentPath);
-        $childCurrent = menu_link_matches_request($child->mm_link ?? null, $currentPath, $dashboardPathAliases);
+        $childCurrent = $activeChild !== null && $child === $activeChild;
       ?>
       <?php if ($childLink !== ''): ?>
       <a href="<?= base_url($childLink) ?>"