diff --git a/package.json b/package.json
index 72b6af1..325122d 100644
--- a/package.json
+++ b/package.json
@@ -25,10 +25,8 @@
 		"globals": "^16.0.0",
 		"prettier": "^3.4.2",
 		"prettier-plugin-svelte": "^3.3.3",
-		"sass": "^1.86.1",
 		"svelte": "^5.0.0",
 		"svelte-check": "^4.0.0",
-		"svelte-preprocess": "^6.0.3",
 		"typescript": "^5.0.0",
 		"typescript-eslint": "^8.20.0",
 		"vite": "^6.0.0"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index a647436..ed550bf 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -41,18 +41,12 @@ importers:
       prettier-plugin-svelte:
         specifier: ^3.3.3
         version: 3.3.3(prettier@3.5.3)(svelte@5.25.3)
-      sass:
-        specifier: ^1.86.1
-        version: 1.86.1
       svelte:
         specifier: ^5.0.0
         version: 5.25.3
       svelte-check:
         specifier: ^4.0.0
         version: 4.1.5(svelte@5.25.3)(typescript@5.8.2)
-      svelte-preprocess:
-        specifier: ^6.0.3
-        version: 6.0.3(postcss-load-config@3.1.4(postcss@8.5.3))(postcss@8.5.3)(sass@1.86.1)(svelte@5.25.3)(typescript@5.8.2)
       typescript:
         specifier: ^5.0.0
         version: 5.8.2
@@ -1125,43 +1119,6 @@ packages:
       svelte:
         optional: true
 
-  svelte-preprocess@6.0.3:
-    resolution: {integrity: sha512-PLG2k05qHdhmRG7zR/dyo5qKvakhm8IJ+hD2eFRQmMLHp7X3eJnjeupUtvuRpbNiF31RjVw45W+abDwHEmP5OA==}
-    engines: {node: '>= 18.0.0'}
-    peerDependencies:
-      '@babel/core': ^7.10.2
-      coffeescript: ^2.5.1
-      less: ^3.11.3 || ^4.0.0
-      postcss: ^7 || ^8
-      postcss-load-config: '>=3'
-      pug: ^3.0.0
-      sass: ^1.26.8
-      stylus: '>=0.55'
-      sugarss: ^2.0.0 || ^3.0.0 || ^4.0.0
-      svelte: ^4.0.0 || ^5.0.0-next.100 || ^5.0.0
-      typescript: ^5.0.0
-    peerDependenciesMeta:
-      '@babel/core':
-        optional: true
-      coffeescript:
-        optional: true
-      less:
-        optional: true
-      postcss:
-        optional: true
-      postcss-load-config:
-        optional: true
-      pug:
-        optional: true
-      sass:
-        optional: true
-      stylus:
-        optional: true
-      sugarss:
-        optional: true
-      typescript:
-        optional: true
-
   svelte@5.25.3:
     resolution: {integrity: sha512-J9rcZ/xVJonAoESqVGHHZhrNdVbrCfkdB41BP6eiwHMoFShD9it3yZXApVYMHdGfCshBsZCKsajwJeBbS/M1zg==}
     engines: {node: '>=18'}
@@ -1968,7 +1925,8 @@ snapshots:
 
   ignore@5.3.2: {}
 
-  immutable@5.1.1: {}
+  immutable@5.1.1:
+    optional: true
 
   import-fresh@3.3.1:
     dependencies:
@@ -2173,6 +2131,7 @@ snapshots:
       source-map-js: 1.2.1
     optionalDependencies:
       '@parcel/watcher': 2.5.1
+    optional: true
 
   semver@7.7.1: {}
 
@@ -2221,15 +2180,6 @@ snapshots:
     optionalDependencies:
       svelte: 5.25.3
 
-  svelte-preprocess@6.0.3(postcss-load-config@3.1.4(postcss@8.5.3))(postcss@8.5.3)(sass@1.86.1)(svelte@5.25.3)(typescript@5.8.2):
-    dependencies:
-      svelte: 5.25.3
-    optionalDependencies:
-      postcss: 8.5.3
-      postcss-load-config: 3.1.4(postcss@8.5.3)
-      sass: 1.86.1
-      typescript: 5.8.2
-
   svelte@5.25.3:
     dependencies:
       '@ampproject/remapping': 2.3.0
diff --git a/src/app.scss b/src/app.css
similarity index 100%
rename from src/app.scss
rename to src/app.css
diff --git a/src/routes/+layout.ts b/src/routes/+layout.ts
index 50ee34b..b5d639d 100644
--- a/src/routes/+layout.ts
+++ b/src/routes/+layout.ts
@@ -1,3 +1,3 @@
-import '../app.scss';
+import '../app.css';
 
 export const prerender = true;
diff --git a/svelte.config.js b/svelte.config.js
index 6377e12..bd33365 100644
--- a/svelte.config.js
+++ b/svelte.config.js
@@ -1,10 +1,9 @@
 import adapter from '@sveltejs/adapter-static';
 import { vitePreprocess } from '@sveltejs/vite-plugin-svelte';
-import { sveltePreprocess } from 'svelte-preprocess';
 
 /** @type {import('@sveltejs/kit').Config} */
 const config = {
-	preprocess: [vitePreprocess(), sveltePreprocess()],
+	preprocess: vitePreprocess(),
 	kit: { adapter: adapter() }
 };