diff --git a/app/Services/SidebarMenuService.php b/app/Services/SidebarMenuService.php
index d9eed89b..6a53bfda 100644
--- a/app/Services/SidebarMenuService.php
+++ b/app/Services/SidebarMenuService.php
@@ -16,7 +16,8 @@ class SidebarMenuService
     public function getUserMenuTree(?User $user = null): Collection
     {
         $user = $user ?? auth()->user();
-        $tenantId = session('selected_tenant_id', 1);
+        // 로그인한 사용자의 tenant_id만 사용 (session 값 무시)
+        $tenantId = $user?->tenant_id ?? 1;
 
         // 테넌트의 모든 활성 메뉴 조회
         $allMenus = Menu::withoutGlobalScopes()
diff --git a/resources/views/components/sidebar/menu-group.blade.php b/resources/views/components/sidebar/menu-group.blade.php
index a21c7d00..cc5b5745 100644
--- a/resources/views/components/sidebar/menu-group.blade.php
+++ b/resources/views/components/sidebar/menu-group.blade.php
@@ -5,13 +5,14 @@
     $isExpanded = $sidebarMenuService->isMenuOrChildActive($menu);
     $groupId = 'menu-group-' . $menu->id;
     $children = $menu->menuChildren ?? collect();
+    $hasChildren = $children->isNotEmpty();
     $paddingLeft = $depth > 0 ? ($depth * 0.75 + 0.75) . 'rem' : '0.75rem';
 @endphp
 
 <li class="pt-4 pb-1 border-t border-gray-200 mt-2">
     {{-- 그룹 헤더 (접기/펼치기 버튼) --}}
     <button
-        onclick="toggleGroup('{{ $groupId }}')"
+        onclick="toggleMenuGroup('{{ $groupId }}')"
         class="sidebar-group-header w-full flex items-center justify-between px-3 py-2 text-xs font-bold text-gray-600 uppercase tracking-wider hover:bg-gray-50 rounded"
         style="padding-left: {{ $paddingLeft }}"
     >
@@ -23,7 +24,7 @@ class="sidebar-group-header w-full flex items-center justify-between px-3 py-2 t
         </span>
         <svg
             id="{{ $groupId }}-icon"
-            class="w-3 h-3 transition-transform sidebar-text {{ $isExpanded ? 'rotate-180' : '' }}"
+            class="w-3 h-3 transition-transform sidebar-text {{ $hasChildren ? 'rotate-180' : '' }}"
             fill="none"
             stroke="currentColor"
             viewBox="0 0 24 24"
@@ -32,8 +33,8 @@ class="w-3 h-3 transition-transform sidebar-text {{ $isExpanded ? 'rotate-180' :
         </svg>
     </button>
 
-    {{-- 하위 메뉴 --}}
-    <ul id="{{ $groupId }}" class="space-y-1 mt-1 {{ $isExpanded ? '' : 'hidden' }}">
+    {{-- 하위 메뉴 (자식이 있으면 기본 표시, localStorage에서 상태 복원) --}}
+    <ul id="{{ $groupId }}" class="space-y-1 mt-1" style="display: {{ $hasChildren ? 'block' : 'none' }};">
         @foreach($children as $child)
             @if($child->menuChildren && $child->menuChildren->isNotEmpty())
                 {{-- 하위에 또 그룹이 있는 경우 (중첩 그룹) --}}
diff --git a/resources/views/lab/strategy/chatbot.blade.php b/resources/views/lab/strategy/chatbot.blade.php
index 3d94733c..7f118266 100644
--- a/resources/views/lab/strategy/chatbot.blade.php
+++ b/resources/views/lab/strategy/chatbot.blade.php
@@ -14,12 +14,12 @@
     .slide.active { display: flex; animation: slideInRight 0.5s ease-out; }
     .slide-content { background: rgba(255, 255, 255, 0.98); border-radius: 24px; padding: 60px; max-width: 1200px; width: 100%; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05); animation: fadeIn 0.8s ease-out; margin: auto 0; border: 1px solid rgba(255, 255, 255, 0.2); }
 
-    h1 { color: #2563eb; font-size: 3em; margin-bottom: 20px; text-align: center; font-weight: 800; }
-    h2 { color: #1e40af; font-size: 2.5em; margin-bottom: 30px; text-align: center; border-bottom: 3px solid #2563eb; padding-bottom: 15px; font-weight: 700; }
-    h3 { color: #2563eb; font-size: 1.8em; margin: 25px 0 15px 0; font-weight: 700; }
-    h4 { color: #1e40af; font-size: 1.3em; margin: 15px 0 10px 0; font-weight: 700; }
-    p, li { font-size: 1.2em; line-height: 1.8; color: #1e293b; margin-bottom: 15px; }
-    ul, ol { margin-left: 30px; }
+    .presentation-container h1 { color: #2563eb; font-size: 3em; margin-bottom: 20px; text-align: center; font-weight: 800; }
+    .presentation-container h2 { color: #1e40af; font-size: 2.5em; margin-bottom: 30px; text-align: center; border-bottom: 3px solid #2563eb; padding-bottom: 15px; font-weight: 700; }
+    .presentation-container h3 { color: #2563eb; font-size: 1.8em; margin: 25px 0 15px 0; font-weight: 700; }
+    .presentation-container h4 { color: #1e40af; font-size: 1.3em; margin: 15px 0 10px 0; font-weight: 700; }
+    .presentation-container p, .presentation-container li { font-size: 1.2em; line-height: 1.8; color: #1e293b; margin-bottom: 15px; }
+    .presentation-container ul, .presentation-container ol { margin-left: 30px; }
 
     .company-info { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin: 30px 0; }
     .info-card { background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%); color: white; padding: 25px; border-radius: 16px; box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2); animation: scaleIn 0.5s ease-out; border: 1px solid rgba(255, 255, 255, 0.1); }
@@ -60,8 +60,8 @@
 
     @media (max-width: 768px) {
         .slide-content { padding: 30px; }
-        h1 { font-size: 2em; } h2 { font-size: 1.8em; } h3 { font-size: 1.4em; }
-        p, li { font-size: 1em; }
+        .presentation-container h1 { font-size: 2em; } .presentation-container h2 { font-size: 1.8em; } .presentation-container h3 { font-size: 1.4em; }
+        .presentation-container p, .presentation-container li { font-size: 1em; }
         .navigation { bottom: 15px; right: 15px; }
         .nav-btn { padding: 10px 20px; font-size: 0.9em; }
         .slide-number { bottom: 15px; left: 15px; padding: 8px 15px; font-size: 0.9em; }
diff --git a/resources/views/lab/strategy/debt.blade.php b/resources/views/lab/strategy/debt.blade.php
index 43b64c73..e62c080a 100644
--- a/resources/views/lab/strategy/debt.blade.php
+++ b/resources/views/lab/strategy/debt.blade.php
@@ -14,11 +14,11 @@
     .slide.active { display: flex; animation: slideInRight 0.5s ease-out; }
     .slide-content { background: rgba(255, 255, 255, 0.98); border-radius: 24px; padding: 60px; max-width: 1200px; width: 100%; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05); animation: fadeIn 0.8s ease-out; margin: auto 0; border: 1px solid rgba(255, 255, 255, 0.2); }
 
-    h1 { color: #2563eb; font-size: 3em; margin-bottom: 20px; text-align: center; font-weight: 800; }
-    h2 { color: #1e40af; font-size: 2.5em; margin-bottom: 30px; text-align: center; border-bottom: 3px solid #2563eb; padding-bottom: 15px; font-weight: 700; }
-    h3 { color: #2563eb; font-size: 1.8em; margin: 25px 0 15px 0; font-weight: 700; }
-    p, li { font-size: 1.2em; line-height: 1.8; color: #1e293b; margin-bottom: 15px; }
-    ul { margin-left: 30px; }
+    .presentation-container h1 { color: #2563eb; font-size: 3em; margin-bottom: 20px; text-align: center; font-weight: 800; }
+    .presentation-container h2 { color: #1e40af; font-size: 2.5em; margin-bottom: 30px; text-align: center; border-bottom: 3px solid #2563eb; padding-bottom: 15px; font-weight: 700; }
+    .presentation-container h3 { color: #2563eb; font-size: 1.8em; margin: 25px 0 15px 0; font-weight: 700; }
+    .presentation-container p, .presentation-container li { font-size: 1.2em; line-height: 1.8; color: #1e293b; margin-bottom: 15px; }
+    .presentation-container ul { margin-left: 30px; }
 
     .company-info { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin: 30px 0; }
     .info-card { background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%); color: white; padding: 25px; border-radius: 16px; box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2); animation: scaleIn 0.5s ease-out; border: 1px solid rgba(255, 255, 255, 0.1); }
@@ -48,8 +48,8 @@
 
     @media (max-width: 768px) {
         .slide-content { padding: 30px; }
-        h1 { font-size: 2em; } h2 { font-size: 1.8em; } h3 { font-size: 1.4em; }
-        p, li { font-size: 1em; }
+        .presentation-container h1 { font-size: 2em; } .presentation-container h2 { font-size: 1.8em; } .presentation-container h3 { font-size: 1.4em; }
+        .presentation-container p, .presentation-container li { font-size: 1em; }
         .navigation { bottom: 15px; right: 15px; }
         .nav-btn { padding: 10px 20px; font-size: 0.9em; }
         .slide-number { bottom: 15px; left: 15px; padding: 8px 15px; font-size: 0.9em; }
diff --git a/resources/views/lab/strategy/labor.blade.php b/resources/views/lab/strategy/labor.blade.php
index 651e11e1..0db878ee 100644
--- a/resources/views/lab/strategy/labor.blade.php
+++ b/resources/views/lab/strategy/labor.blade.php
@@ -14,11 +14,11 @@
     .slide.active { display: flex; animation: slideInRight 0.5s ease-out; }
     .slide-content { background: rgba(255, 255, 255, 0.98); border-radius: 24px; padding: 60px; max-width: 1200px; width: 100%; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05); animation: fadeIn 0.8s ease-out; margin: auto 0; border: 1px solid rgba(255, 255, 255, 0.2); }
 
-    h1 { color: #2563eb; font-size: 3em; margin-bottom: 20px; text-align: center; font-weight: 800; }
-    h2 { color: #1e40af; font-size: 2.5em; margin-bottom: 30px; text-align: center; border-bottom: 3px solid #2563eb; padding-bottom: 15px; font-weight: 700; }
-    h3 { color: #2563eb; font-size: 1.8em; margin: 25px 0 15px 0; font-weight: 700; }
-    p, li { font-size: 1.2em; line-height: 1.8; color: #1e293b; margin-bottom: 15px; }
-    ul { margin-left: 30px; }
+    .presentation-container h1 { color: #2563eb; font-size: 3em; margin-bottom: 20px; text-align: center; font-weight: 800; }
+    .presentation-container h2 { color: #1e40af; font-size: 2.5em; margin-bottom: 30px; text-align: center; border-bottom: 3px solid #2563eb; padding-bottom: 15px; font-weight: 700; }
+    .presentation-container h3 { color: #2563eb; font-size: 1.8em; margin: 25px 0 15px 0; font-weight: 700; }
+    .presentation-container p, .presentation-container li { font-size: 1.2em; line-height: 1.8; color: #1e293b; margin-bottom: 15px; }
+    .presentation-container ul { margin-left: 30px; }
 
     .company-info { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin: 30px 0; }
     .info-card { background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%); color: white; padding: 25px; border-radius: 16px; box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2); animation: scaleIn 0.5s ease-out; border: 1px solid rgba(255, 255, 255, 0.1); }
@@ -48,8 +48,8 @@
 
     @media (max-width: 768px) {
         .slide-content { padding: 30px; }
-        h1 { font-size: 2em; } h2 { font-size: 1.8em; } h3 { font-size: 1.4em; }
-        p, li { font-size: 1em; }
+        .presentation-container h1 { font-size: 2em; } .presentation-container h2 { font-size: 1.8em; } .presentation-container h3 { font-size: 1.4em; }
+        .presentation-container p, .presentation-container li { font-size: 1em; }
         .navigation { bottom: 15px; right: 15px; }
         .nav-btn { padding: 10px 20px; font-size: 0.9em; }
         .slide-number { bottom: 15px; left: 15px; padding: 8px 15px; font-size: 0.9em; }
diff --git a/resources/views/lab/strategy/tax.blade.php b/resources/views/lab/strategy/tax.blade.php
index ebaf5602..7a5f8932 100644
--- a/resources/views/lab/strategy/tax.blade.php
+++ b/resources/views/lab/strategy/tax.blade.php
@@ -49,11 +49,11 @@
         border: 1px solid rgba(255, 255, 255, 0.2);
     }
 
-    h1 { color: #2563eb; font-size: 3em; margin-bottom: 20px; text-align: center; font-weight: 800; }
-    h2 { color: #1e40af; font-size: 2.5em; margin-bottom: 30px; text-align: center; border-bottom: 3px solid #2563eb; padding-bottom: 15px; font-weight: 700; }
-    h3 { color: #2563eb; font-size: 1.8em; margin: 25px 0 15px 0; font-weight: 700; }
-    p, li { font-size: 1.2em; line-height: 1.8; color: #1e293b; margin-bottom: 15px; }
-    ul { margin-left: 30px; }
+    .presentation-container h1 { color: #2563eb; font-size: 3em; margin-bottom: 20px; text-align: center; font-weight: 800; }
+    .presentation-container h2 { color: #1e40af; font-size: 2.5em; margin-bottom: 30px; text-align: center; border-bottom: 3px solid #2563eb; padding-bottom: 15px; font-weight: 700; }
+    .presentation-container h3 { color: #2563eb; font-size: 1.8em; margin: 25px 0 15px 0; font-weight: 700; }
+    .presentation-container p, .presentation-container li { font-size: 1.2em; line-height: 1.8; color: #1e293b; margin-bottom: 15px; }
+    .presentation-container ul { margin-left: 30px; }
 
     .company-info { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin: 30px 0; }
     .info-card {
@@ -155,10 +155,10 @@
 
     @media (max-width: 768px) {
         .slide-content { padding: 30px; }
-        h1 { font-size: 2em; }
-        h2 { font-size: 1.8em; }
-        h3 { font-size: 1.4em; }
-        p, li { font-size: 1em; }
+        .presentation-container h1 { font-size: 2em; }
+        .presentation-container h2 { font-size: 1.8em; }
+        .presentation-container h3 { font-size: 1.4em; }
+        .presentation-container p, .presentation-container li { font-size: 1em; }
         .navigation { bottom: 15px; right: 15px; }
         .nav-btn { padding: 10px 20px; font-size: 0.9em; }
         .slide-number { bottom: 15px; left: 50%; transform: translateX(-50%); padding: 8px 15px; font-size: 0.9em; }
diff --git a/resources/views/partials/sidebar.blade.php b/resources/views/partials/sidebar.blade.php
index 7f2860cb..5a580887 100644
--- a/resources/views/partials/sidebar.blade.php
+++ b/resources/views/partials/sidebar.blade.php
@@ -555,7 +555,7 @@ function toggleSidebar() {
     }
 }
 
-// 메뉴 그룹 토글
+// 메뉴 그룹 토글 (R&D Labs, 개발 도구 등)
 function toggleGroup(groupId) {
     const sidebar = document.getElementById('sidebar');
     // 사이드바가 접힌 상태면 그룹 토글 무시
@@ -577,6 +577,36 @@ function toggleGroup(groupId) {
     }
 }
 
+// 동적 메뉴 그룹 토글 (DB에서 가져온 메뉴)
+function toggleMenuGroup(groupId) {
+    const sidebar = document.getElementById('sidebar');
+    // 사이드바가 접힌 상태면 그룹 토글 무시
+    if (sidebar.classList.contains('sidebar-collapsed') || document.documentElement.classList.contains('sidebar-is-collapsed')) {
+        return;
+    }
+
+    const group = document.getElementById(groupId);
+    const icon = document.getElementById(groupId + '-icon');
+
+    if (!group) return;
+
+    const isHidden = group.style.display === 'none' || group.style.display === '';
+
+    if (isHidden) {
+        group.style.display = 'block';
+        if (icon) {
+            icon.classList.add('rotate-180');
+        }
+        localStorage.setItem('menu-group-' + groupId, 'visible');
+    } else {
+        group.style.display = 'none';
+        if (icon) {
+            icon.classList.remove('rotate-180');
+        }
+        localStorage.setItem('menu-group-' + groupId, 'hidden');
+    }
+}
+
 // ========== R&D Labs 사이드바 스크롤 함수 ==========
 
 // 사이드바를 최하단으로 스크롤하고 위치 저장
@@ -812,19 +842,20 @@ function initSidebarTooltips() {
         }
     });
 
-    // 메뉴 그룹 상태 복원 (동적 메뉴)
+    // 메뉴 그룹 상태 복원 (동적 메뉴) - inline style로 통일
     document.querySelectorAll('[id^="menu-group-"]').forEach(function(group) {
         const groupId = group.id;
         const savedState = localStorage.getItem('menu-group-' + groupId);
         const icon = document.getElementById(groupId + '-icon');
 
         if (savedState === 'hidden') {
-            group.classList.add('hidden');
+            group.style.display = 'none';
             icon?.classList.remove('rotate-180');
         } else if (savedState === 'visible') {
-            group.classList.remove('hidden');
+            group.style.display = 'block';
             icon?.classList.add('rotate-180');
         }
+        // savedState가 없으면 서버에서 렌더링한 초기 상태 유지
     });
 
     // R&D Labs 탭 상태 복원