[1] The station consists of two elevated opposed side platforms for the Tohoku Shinkansen, running approximately north to south, and a single unnumbered side platform at ground level serving the single-track Kamaishi Line.

The main Shinkansen portion of the station has a Midori no Madoguchi staffed ticket office.

[1] The station building itself is designed with a motif from Miyazawa Kenji's Night on the Galactic Railroad.

[3] The station was absorbed into the JR East network upon the privatization of the Japanese National Railways (JNR) on 1 April 1987.

[2] The Kamaishi Line platform and connecting passage to the main station building was renovated in 2014 with a style evoking the early 20th-century Taishō period portrayed in works by author Kenji Miyazawa, with work completed on 14 October 2014.