tailwindcss/cli v4 doesn't watch file changes on my Windows

[iannn-nv]

What version of Tailwind CSS are you using?

v4.1.7

What build tool (or framework if it abstracts the build tool) are you using?

tailwindcss/cli

What version of Node.js are you using?

v22.14.0

What browser are you using?

Latest Chrome

What operating system are you using?

Windows (OS Build 26100.3775)

Reproduction URL

Repo is here
Screen record is here

Describe your issue

The --watch command doesn't work on my Windows. But it works normally on my macOS. So I think it's a bug or something is funny with my environment.