いろんなフォントで「rock_salt」変換
Zen Old Minchorock_salt
Yusei Magicrock_salt
M PLUS 1rock_salt
Shippori Antiquerock_salt
Yuji Mairock_salt
Dela Gothic Onerock_salt
DotGothic16rock_salt
Train Onerock_salt
Hira Minchorock_salt
Potta Onerock_salt
Reggae Onerock_salt
Stickrock_salt
Zen Kurenaidorock_salt
Kosugi Marurock_salt
Rampart Onerock_salt
Hachi Maru Poprock_salt
New Tegominrock_salt
RocknRoll Onerock_salt
Kaisei Decolrock_salt
「rock_salt」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
