If you own the Blu-ray and want a 720p copy for portable devices:
In an era of 4K remasters and 8K upscales, it seems counterintuitive to champion 720p (1280x720). However, for Hayao Miyazaki’s directorial debut, Lupin III: The Castle of Cagliostro , 720p is not a compromise; it is a preservation of a specific, disappearing aesthetic language. lupin iii castle of cagliostro 720p resolution