Your browser does not support grid, so will not be supported. Hover over your browser version to see if there is a way to enable potential support. Sorry, I am no longer able to justify working on making the layout work on older devices.
I say this is a bokken and not a katana (in which case it would be a shirasaya). Judging by the tip, it's a bokken, for a saya usually don't have a tip like that.