いろんなフォントで「standard_deviation」変換
Zen Old Minchostandard_deviation
Yusei Magicstandard_deviation
M PLUS 1standard_deviation
Shippori Antiquestandard_deviation
Yuji Maistandard_deviation
Dela Gothic Onestandard_deviation
DotGothic16standard_deviation
Train Onestandard_deviation
Hira Minchostandard_deviation
Potta Onestandard_deviation
Reggae Onestandard_deviation
Stickstandard_deviation
Zen Kurenaidostandard_deviation
Kosugi Marustandard_deviation
Rampart Onestandard_deviation
Hachi Maru Popstandard_deviation
New Tegominstandard_deviation
RocknRoll Onestandard_deviation
Kaisei Decolstandard_deviation
「standard_deviation」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
