Shioriko/web/app/vite.config.ts

import { sveltekit } from "@sveltejs/kit/vite";
import { defineConfig } from "vite";

export default defineConfig({
  plugins: [sveltekit()],

  css: {
    preprocessorOptions: {
      scss: {
        additionalData: '@use "src/variables.scss" as *;',
      },
    },
  },
});