ひな祭り
ひなまつり
Hinamatsuri
Hinamatsuri, also called Doll's Day or Girls' Day, is a special day in Japan. Celebrated on 3 March of each year, platforms covered with a red carpet-material are used to display a set of ornamental dolls representing the Emperor, Empress, attendants, and musicians in traditional court dress of the Heian period.
https://en.wikipedia.org/wiki/Hinamatsuri