いろんなフォントで「random_variable」変換
Zen Old Minchorandom_variable
Yusei Magicrandom_variable
M PLUS 1random_variable
Shippori Antiquerandom_variable
Yuji Mairandom_variable
Dela Gothic Onerandom_variable
DotGothic16random_variable
Train Onerandom_variable
Hira Minchorandom_variable
Potta Onerandom_variable
Reggae Onerandom_variable
Stickrandom_variable
Zen Kurenaidorandom_variable
Kosugi Marurandom_variable
Rampart Onerandom_variable
Hachi Maru Poprandom_variable
New Tegominrandom_variable
RocknRoll Onerandom_variable
Kaisei Decolrandom_variable
「random_variable」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
