Actually, the design of Yamato makes the most sense if the basic form was directly patterned after a Fog ship. Basing your new ship after the most powerful ships you have access to makes sense. While any self respecting Fog ship would insist on better firing coverage, the hull form still has to fit the fighter and small craft bay . Best compromise possible I suppose
Hopefully Yamato will object to having dangly bits. The 3rd bridge was never more than a cheap drama device.