Add: SCSS explicit include path

svelte.config.js

@@ -1,9 +1,14 @@
 import adapter from '@sveltejs/adapter-auto';
 import preprocess from 'svelte-preprocess';
+import sveltePreprocess from 'svelte-preprocess';
 
 /** @type {import('@sveltejs/kit').Config} */
 const config = {
-	preprocess: preprocess(),
+	preprocess: sveltePreprocess({
+		scss: {
+			includePaths: ['./static/css'],
+		}
+	}),
 	kit: {
 		// adapter-auto only supports some environments, see https://kit.svelte.dev/docs/adapter-auto for a list.
 		// If your environment is not supported, or you settled on a specific environment, switch out the adapter.