Just looked at the video clip for the film on the Sony website - the way they wrap their kimono does switch around an awful lot, doesn't it?

I wonder if wardrobe actually did get it right, but the film itself was reversed for continuity/aesthetic purposes. I'll probably try and catch the film in the UK at some point (opens 13 Jan), I'll be interested to see if any Kanji are reversed. If the editors can't detect the wardrobe cockups (or are happy to create them), I doubt they'll care very much whether any words are shown back to front.