The Roof at Shibuya Sky – how to purchase with a New Zealand credit card

Hi everyone

Just hoping to get some advice if anyone has had any luck with purchasing The Roof at Shibuya Sky tickets through WebKet from another country? And if so, how have you done this?

I've tried a range of different Master Cards and Visa cards, as well as a Wise debit card, but still no luck! Worst case I will purchase through Klook, but we'd love to be able to go to the Roof.

Any advice would be so greatly appreciated! Thanks in advance