chore(deps): update tailwindcss monorepo to ^4.3.1

Author: renovate[bot]

package.json

@@ -37,7 +37,7 @@
     "@eslint/js": "^9.39.4",
     "@hatena/eslint-config-hatena": "github:hatena/eslint-config-hatena#v3.3.0",
     "@next/bundle-analyzer": "16.2.9",
-    "@tailwindcss/postcss": "^4.3.0",
+    "@tailwindcss/postcss": "^4.3.1",
     "@types/body-scroll-lock": "^3.1.2",
     "@types/node": "^22.19.20",
     "@types/react": "19.2.17",
@@ -56,7 +56,7 @@
     "react-schemaorg": "^2.0.1",
     "schema-dts": "^2.0.0",
     "sharp": "^0.34.5",
-    "tailwindcss": "^4.3.0",
+    "tailwindcss": "^4.3.1",
     "typescript": "^6.0.3"
   },
   "engines": {