What is the dress attire in japan for Christmas?

In Japan, Christmas is not a traditional holiday, and therefore there is no specific dress code associated with it. However, many people in Japan do celebrate Christmas, and they may choose to dress up in festive attire. This can include wearing red and green clothing, Santa Claus hats, or other holiday-themed accessories. Some people may also choose to wear more formal attire, such as suits or dresses, for Christmas parties or other events. Ultimately, the dress attire for Christmas in Japan is up to the individual and can vary depending on the occasion.