いろんなフォントで「countersigned」変換
Zen Old Minchocountersigned
Yusei Magiccountersigned
M PLUS 1countersigned
Shippori Antiquecountersigned
Yuji Maicountersigned
Dela Gothic Onecountersigned
DotGothic16countersigned
Train Onecountersigned
Hira Minchocountersigned
Potta Onecountersigned
Reggae Onecountersigned
Stickcountersigned
Zen Kurenaidocountersigned
Kosugi Marucountersigned
Rampart Onecountersigned
Hachi Maru Popcountersigned
New Tegomincountersigned
RocknRoll Onecountersigned
Kaisei Decolcountersigned
「countersigned」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
