Information recording medium, information recording apparatus and method, and recording control computer program

The information recording apparatus includes a writable writing means for recording information on the first recording layer and the second recording layer of the information recording medium, an acquisition unit configured to acquire information about the offset amount on the basis of the acquired information in the second recording layer, and a calculation means for calculating a recordable start position recorded information, the record information, (i) the first recording layer, writing along the first recording track, (ii) a second recording the layer from the calculated start position to write along the second recording track, and a control means for controlling the writing means.