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.
Translator's note: We need more context as to what happened for a better translation. "お返し" is a "return gift," often something you get back later on for giving a gift or a kindness to somebody before.Really!?