fix: downgrade tailwind css to v3 (#576)

Author: suemor233

package.json

@@ -135,7 +135,7 @@
     "cross-env": "7.0.3",
     "dotenv": "16.4.7",
     "eslint": "9.24.0",
-    "eslint-config-hyoban": "3.2.2",
+    "eslint-config-hyoban": "3.2.1",
     "lint-staged": "15.5.0",
     "postcss": "8.5.3",
     "postcss-import": "16.1.0",
@@ -149,7 +149,7 @@
     "simple-git-hooks": "2.12.1",
     "tailwind-scrollbar": "4.0.2",
     "tailwind-variants": "0.3.1",
-    "tailwindcss": "^4.1.3",
+    "tailwindcss": "3.4.17",
     "tailwindcss-animate": "1.0.7",
     "tailwindcss-animated": "2.0.0",
     "tailwindcss-motion": "1.1.0",