Existentialist, sometimes kafkian. Sober in style but dreamy. The only reason I am not giving the 4th star is because the quality of the animation, and even its eerie strangeness is not equaled by the soundtrack.
oh, man. i saw this when i was in high school on a field trip to the Carnegie International exhibit. i could never remember what it was called and no one knew what i was talking about when i tried to explain it! thanks, MUBI!