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