いろんなフォントで「hold down」変換
Zen Old Minchohold down
Yusei Magichold down
M PLUS 1hold down
Shippori Antiquehold down
Yuji Maihold down
Dela Gothic Onehold down
DotGothic16hold down
Train Onehold down
Hira Minchohold down
Potta Onehold down
Reggae Onehold down
Stickhold down
Zen Kurenaidohold down
Kosugi Maruhold down
Rampart Onehold down
Hachi Maru Pophold down
New Tegominhold down
RocknRoll Onehold down
Kaisei Decolhold down
「hold down」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
