Adjust glazed door

Hi there,

I've a glazed door that's shifted ever so slightly... well, an half inch, so it's draghty. I get the principle of moving the hinges left or right to square the door but I just can't find where to adjust on this door. I've tried an Allen key in most every nook I can, no joy...

I've attached a pic of the hinges. Id put more up but file size ... Any advice is greatly appreciated.