Update images in Japanese (static/)

diff --git a/static b/static
index c2e5d40fff1d272a4e224372c2f56c90bb4839a3..bb47be858c7b4e36386da4127e20e33e1c5ed7ba 160000 (submodule)
--- a/static
+++ b/static
@@ -1 +1 @@
-Subproject commit c2e5d40fff1d272a4e224372c2f56c90bb4839a3
+Subproject commit bb47be858c7b4e36386da4127e20e33e1c5ed7ba