 Complete the following phrase:  After retirement, Mochizuki started coaching career at Mazda later Sanfrecce Hiroshima in 1988. He mainly served as goalkeeper coach. In November 1998, he became a goalkeeper coach for Japan national team under manager Philippe Troussier. He also coached for U-20 Japan at 1999 World Youth Championship and U-23 Japan at 2000 Summer Olympics. At 1999 World Youth Championship, Japan won the 2nd place. In October 2000, Japan senior team won the champions 