いろんなフォントで「rock_cake」変換
Zen Old Minchorock_cake
Yusei Magicrock_cake
M PLUS 1rock_cake
Shippori Antiquerock_cake
Yuji Mairock_cake
Dela Gothic Onerock_cake
DotGothic16rock_cake
Train Onerock_cake
Hira Minchorock_cake
Potta Onerock_cake
Reggae Onerock_cake
Stickrock_cake
Zen Kurenaidorock_cake
Kosugi Marurock_cake
Rampart Onerock_cake
Hachi Maru Poprock_cake
New Tegominrock_cake
RocknRoll Onerock_cake
Kaisei Decolrock_cake
「rock_cake」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
