diff --git a/frontend/package.json b/frontend/package.json
index 411a6e641aa..6b1e7f0c7ef 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -65,7 +65,7 @@
     "eslint-config-prettier": "^10.1.5",
     "eslint-plugin-prettier": "^5.5.1",
     "eslint-plugin-vue": "^10.5.1",
-    "postcss": "^8.5.6",
+    "postcss": "^8.5.23",
     "prettier": "^3.6.2",
     "terser": "^5.43.1",
     "typescript": "^5.9.3",
diff --git a/frontend/pnpm-lock.yaml b/frontend/pnpm-lock.yaml
index 170358e4df9..f082ca3b70a 100644
--- a/frontend/pnpm-lock.yaml
+++ b/frontend/pnpm-lock.yaml
@@ -131,7 +131,7 @@ importers:
         version: 0.9.1(typescript@5.9.3)(vue@3.5.34(typescript@5.9.3))
       autoprefixer:
         specifier: ^10.4.21
-        version: 10.5.0(postcss@8.5.14)
+        version: 10.5.0(postcss@8.5.23)
       eslint:
         specifier: ^10.0.0
         version: 10.4.0
@@ -145,8 +145,8 @@ importers:
         specifier: ^10.5.1
         version: 10.9.1(@typescript-eslint/parser@8.56.0(eslint@10.4.0)(typescript@5.9.3))(eslint@10.4.0)(vue-eslint-parser@10.4.0(eslint@10.4.0))
       postcss:
-        specifier: ^8.5.6
-        version: 8.5.14
+        specifier: ^8.5.23
+        version: 8.5.23
       prettier:
         specifier: ^3.6.2
         version: 3.8.3
@@ -2539,13 +2539,8 @@ packages:
     engines: {node: '>=8', npm: '>=5'}
     hasBin: true
 
-  nanoid@3.3.12:
-    resolution: {integrity: sha512-ZB9RH/39qpq5Vu6Y+NmUaFhQR6pp+M2Xt76XBnEwDaGcVAqhlvxrl3B2bKS5D3NH3QR76v3aSrKaF/Kiy7lEtQ==}
-    engines: {node: ^10 || ^12 || ^13.7 || ^14 || >=15.0.1}
-    hasBin: true
-
-  nanoid@3.3.16:
-    resolution: {integrity: sha512-bzlKTyNJ7+LdGIIwy8ijFpIqEQIvafahV7eYykJ8Cvh42EdJeODoJ6gUJXpQJvej1BddH8OqTXZNE/KfbWAu8Q==}
+  nanoid@3.3.17:
+    resolution: {integrity: sha512-xQLf0A3HOMlgHq0n247/LRuAOYmB7dXJ/DvAxGvsSBij45XtBSmQycu+F8ODbHwns/XyFZagyL1+J0Offw1E0g==}
     engines: {node: ^10 || ^12 || ^13.7 || ^14 || >=15.0.1}
     hasBin: true
 
@@ -2649,12 +2644,8 @@ packages:
   postcss-value-parser@4.2.0:
     resolution: {integrity: sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==}
 
-  postcss@8.5.14:
-    resolution: {integrity: sha512-SoSL4+OSEtR99LHFZQiJLkT59C5B1amGO1NzTwj7TT1qCUgUO6hxOvzkOYxD+vMrXBM3XJIKzokoERdqQq/Zmg==}
-    engines: {node: ^10 || ^12 || >=14}
-
-  postcss@8.5.19:
-    resolution: {integrity: sha512-Mz8SaolMd8nB+G13WkORcxQKHZ/NE4xXevtkJHVuG+guo9/wYKlIMTKAqGdEmYOXR2ijPjTYNHssizdaVSUNdQ==}
+  postcss@8.5.23:
+    resolution: {integrity: sha512-g50586zr4bZmwFiTlflMu8E0bDTb5I5gertgwAKmsdUlTQIhZtunzUlD1WSzwcVWPoAVpsrA6vlfCD7oXvRwgg==}
     engines: {node: ^10 || ^12 || >=14}
 
   prelude-ls@1.2.1:
@@ -4662,7 +4653,7 @@ snapshots:
       '@vue/shared': 3.5.34
       estree-walker: 2.0.2
       magic-string: 0.30.21
-      postcss: 8.5.19
+      postcss: 8.5.23
       source-map-js: 1.2.1
 
   '@vue/compiler-ssr@3.5.34':
@@ -4826,13 +4817,13 @@ snapshots:
       '@babel/parser': 7.29.3
       ast-kit: 2.2.0
 
-  autoprefixer@10.5.0(postcss@8.5.14):
+  autoprefixer@10.5.0(postcss@8.5.23):
     dependencies:
       browserslist: 4.28.2
       caniuse-lite: 1.0.30001788
       fraction.js: 5.3.4
       picocolors: 1.1.1
-      postcss: 8.5.14
+      postcss: 8.5.23
       postcss-value-parser: 4.2.0
 
   babel-plugin-polyfill-corejs2@0.4.17(@babel/core@7.29.0):
@@ -5535,9 +5526,7 @@ snapshots:
       '@babel/runtime': 7.28.6
       global: 4.4.0
 
-  nanoid@3.3.12: {}
-
-  nanoid@3.3.16: {}
+  nanoid@3.3.17: {}
 
   natural-compare@1.4.0: {}
 
@@ -5626,15 +5615,9 @@ snapshots:
 
   postcss-value-parser@4.2.0: {}
 
-  postcss@8.5.14:
-    dependencies:
-      nanoid: 3.3.12
-      picocolors: 1.1.1
-      source-map-js: 1.2.1
-
-  postcss@8.5.19:
+  postcss@8.5.23:
     dependencies:
-      nanoid: 3.3.16
+      nanoid: 3.3.17
       picocolors: 1.1.1
       source-map-js: 1.2.1
 
@@ -5996,7 +5979,7 @@ snapshots:
     dependencies:
       lightningcss: 1.32.0
       picomatch: 4.0.5
-      postcss: 8.5.19
+      postcss: 8.5.23
       rolldown: 1.0.3
       tinyglobby: 0.2.17
     optionalDependencies: