いろんなフォントで「double+refraction」変換
Zen Old Minchodouble+refraction
Yusei Magicdouble+refraction
M PLUS 1double+refraction
Shippori Antiquedouble+refraction
Yuji Maidouble+refraction
Dela Gothic Onedouble+refraction
DotGothic16double+refraction
Train Onedouble+refraction
Hira Minchodouble+refraction
Potta Onedouble+refraction
Reggae Onedouble+refraction
Stickdouble+refraction
Zen Kurenaidodouble+refraction
Kosugi Marudouble+refraction
Rampart Onedouble+refraction
Hachi Maru Popdouble+refraction
New Tegomindouble+refraction
RocknRoll Onedouble+refraction
Kaisei Decoldouble+refraction
「double+refraction」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
