It's not difficult to see the inspiration from both Japanese and Scandinavian styles in the home. This view of the kids' room especially has the custom built bunkbeds that easily harken to the minimalism of Japanese homes.
Handmade Modern: A Lofted Bed You Can't Find In Store - What a great way to save space with multiple use functions. All kids love bunkbeds. My child has a full size bed and complete bedroom suite and would rather have this, haha!