いろんなフォントで「coal_black」変換
Zen Old Minchocoal_black
Yusei Magiccoal_black
M PLUS 1coal_black
Shippori Antiquecoal_black
Yuji Maicoal_black
Dela Gothic Onecoal_black
DotGothic16coal_black
Train Onecoal_black
Hira Minchocoal_black
Potta Onecoal_black
Reggae Onecoal_black
Stickcoal_black
Zen Kurenaidocoal_black
Kosugi Marucoal_black
Rampart Onecoal_black
Hachi Maru Popcoal_black
New Tegomincoal_black
RocknRoll Onecoal_black
Kaisei Decolcoal_black
「coal_black」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
