Morioka was born in Ozu on August 12, 1973. After graduating from Yawatahama Technical High School, he joined J1 League club Gamba Osaka in 1992. He debuted in 1993 and played many matches as offensive midfielder from 1994. His opportunity to play decreased in 1998. He moved to Kyoto Purple Sanga in 1999 and Vissel Kobe in 2000. He returned to Gamba in 2002. Although he played many matches in 2002, his opportunity to play decreased from 2003. In 2006, he moved to Regional Leagues club Banditonce Kobe (later "Banditonce Kakogawa"). He retired end of 2008 season.