Revert "div の整理"

This reverts commit 5bc9751ac7710083371c601067d1065400d0fb7b.
Revert "anchor 調整"

This reverts commit 1b378a79523d5755a066dc763f22c1c049dfdc9b.
Revert "anchor タグの領域を広げる"

This reverts commit 1187eed3b987b5b47554ca1056ea389a94ad34bd.
画像もクリックできるように