What are the tricks hidden in Madoka's cosplay of "MadoMagi" to express the fluffy spread of her skirt?

On March 22-23, 2025, "AnimeJapan 2025" was held at Tokyo Big Sight. We interviewed Sakuna Kukou, who participated in the cosplay of Madoka Kaname from "Puella Magi Madoka Magica", and posted her photos, asking about the points she was particular about in her cosplay and the cosplay she would like to try in the future.