Text comes out of the textfield

Dear Adobe,

I m about to create a important print. And some letters or signs of my text are getting out of the textfield... I have no idea how this is possible and its hard to fix!

Why do I definate a textfield, if the text can go through?!

Photoshop 25

Font: Kozuka Gothic Pr6N, EL

Plattform: Windows 10