Revert "sakujo"

This reverts commit 4597b6b3e6aee245a87842b2360d4ceda21d0a47.
Revert "ちょっと改変"

This reverts commit 81b210c1a8f96a040cbfa160c05a2190ce0f9dce.
Revert "TEST_Ryuji_Sato"

This reverts commit 77579f79807a9221903f8ade4c6805ca2af89c13.