Madonna has shrugged off criticism of a song on her latest album, saying all she had done was challenge authority.
Madonna says she has always been interested in Japanese culture
Rabbis in Israel accused the pop singer of sacrilege, saying she used the name of a Kabbalist rabbi for profit on her song Isaac.
She told reporters in Japan: "I like to challenge authority, and a lot of people perceive that as controversial."
Madonna said she was influenced by Japan's culture, adding she kept in shape by eating Japanese food.
In October Rabbi Rafael Cohen told the Israeli Maariv newspaper that Madonna would receive a "punishment" for dedicating a song to Rabbi Isaac Luria.
"Jewish law forbids the use of the name of the holy rabbi for profit," said Cohen.
"Her act is just simply unacceptable and I can only sympathise for her because of the punishment that she is going to receive from the heavens."
On Wednesday Madonna dismissed the criticism, saying: "As soon as you have an opinion that is outside what is considered to be the conventional way of thinking... you're considered controversial."
She said she was glad to be back in Japan, where she is promoting her album Confessions on a Dancefloor.
"I've always been very interested in Japanese culture," Madonna said.
"Some of my videos, some of my performances on stage have been inspired by Japanese cinema, martial arts, Japanese music, Japanese fashion, Japanese food."
She added: "I love Japanese food. I have a Japanese cook in London that travels everywhere with me. I probably eat more Japanese food than you do."
Madonna repeated a recent admission that she would like to direct films, adding that she wanted to make "a love story - a story that will really inspire people".