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）
