We check this website, now ginza-renoir.co.jp is up and dont blocked for our system and other users of the Internet.
So, answer to question: Is ginza-renoir Down Right Now? - NO! ginza-renoir is up!
If you have problem with access to site ginza-renoir, and domain ginza-renoir.co.jp is not avalible.
Clear browser cache and/or try other web browser
(Chrome, Firefox or Safari).