don't have the summer 2016 rates yet, will keep you updated when I will receive them.
Regarding the home page, my personal suggestion would be to make it clearer that the building operates as an hotel, for example by putting everything real-estate based (price, Niseko, ...) in one single tab and by putting more pictures of interior in the home page slideshow.
I would use more accommodation-related words in the headers (e.g. perhaps replacing "Rates and Availability" by "Stay with us").
I hope this helps.
Best regards,