The Seishin-Yamate Line , also known by its nickname of "Midori no U-Line", is one of the two lines of the Kobe Municipal Subway. It links the central districts to the east and western suburbs of Kobe. The line color is green.

The Kobe Municipal Subway is a rapid transit system in Kobe, Hyōgo Prefecture, Japan. Like other large Japanese cities, Kobe's subway system is heavily complemented by suburban rail. In addition, two people mover lines also serve the Kobe area: the Port Island Line and the Rokko Island Line.