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.
If you can spare the time to move your mouth, how about you move your hands instead? There'll be no effect unless you massage properly! Hey, Futa- Um, Futami-san, what kind of experiment is this?