いろんなフォントで「special_k」変換
Zen Old Minchospecial_k
Yusei Magicspecial_k
M PLUS 1special_k
Shippori Antiquespecial_k
Yuji Maispecial_k
Dela Gothic Onespecial_k
DotGothic16special_k
Train Onespecial_k
Hira Minchospecial_k
Potta Onespecial_k
Reggae Onespecial_k
Stickspecial_k
Zen Kurenaidospecial_k
Kosugi Maruspecial_k
Rampart Onespecial_k
Hachi Maru Popspecial_k
New Tegominspecial_k
RocknRoll Onespecial_k
Kaisei Decolspecial_k
「special_k」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
