Configuration issues with redirects across versions of risky.cs.inf.shizuoka.ac.jp may be causing access issues. The links below can provide alternative paths to reach the site:

http://risky.cs.inf.shizuoka.ac.jp https://risky.cs.inf.shizuoka.ac.jp

Or return to the current status page of risky.cs.inf.shizuoka.ac.jp.