У вашего броузера проблема в совместимости с HTML5
The 23km Toei Shinjuku Line is part of Tokyo's subway system http://www.japanvisitor.com/japan-travel/japan-transport/tokyo-subway and runs east west from Motoyawata Station in Ichikawa, Chiba to Shinjuku Station. Keio Line services also use the Toei Shinjuku Line tracks.