いろんなフォントで「center_of_gravity」変換
Zen Old Minchocenter_of_gravity
Yusei Magiccenter_of_gravity
M PLUS 1center_of_gravity
Shippori Antiquecenter_of_gravity
Yuji Maicenter_of_gravity
Dela Gothic Onecenter_of_gravity
DotGothic16center_of_gravity
Train Onecenter_of_gravity
Hira Minchocenter_of_gravity
Potta Onecenter_of_gravity
Reggae Onecenter_of_gravity
Stickcenter_of_gravity
Zen Kurenaidocenter_of_gravity
Kosugi Marucenter_of_gravity
Rampart Onecenter_of_gravity
Hachi Maru Popcenter_of_gravity
New Tegomincenter_of_gravity
RocknRoll Onecenter_of_gravity
Kaisei Decolcenter_of_gravity
「center_of_gravity」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
