diff --git a/next.config.ts b/next.config.ts
index 6733d06..39503a2 100644
--- a/next.config.ts
+++ b/next.config.ts
@@ -12,6 +12,7 @@ const nextConfig: NextConfig = {
       fullUrl: true,
     },
   },
+  allowedDevOrigins: ['hanasysfield.jp', '*.hanasysfield.jp'],
   async rewrites() {
     return [
       {