紅白は、伝統的に祝い事に使う色です。Red and white are colors used for celebrations. It is a traditional color.
〇源氏が白。平氏が赤。Genji's flag is white. The flag of Heishi is red.The relatives of Genji family and Heishi family can become top of samurai（Budo Family).
〇赤は、赤ちゃん・誕生。 白は、死。人の一生を表す。Red is born with the baby. White means death. This is the lifetime of a person.
Budo Kenpo Kai wishes happiness using the flags of red and white.