いろんなフォントで「button_up」変換
Zen Old Minchobutton_up
Yusei Magicbutton_up
M PLUS 1button_up
Shippori Antiquebutton_up
Yuji Maibutton_up
Dela Gothic Onebutton_up
DotGothic16button_up
Train Onebutton_up
Hira Minchobutton_up
Potta Onebutton_up
Reggae Onebutton_up
Stickbutton_up
Zen Kurenaidobutton_up
Kosugi Marubutton_up
Rampart Onebutton_up
Hachi Maru Popbutton_up
New Tegominbutton_up
RocknRoll Onebutton_up
Kaisei Decolbutton_up
「button_up」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
