いろんなフォントで「cast+down」変換
Zen Old Minchocast+down
Yusei Magiccast+down
M PLUS 1cast+down
Shippori Antiquecast+down
Yuji Maicast+down
Dela Gothic Onecast+down
DotGothic16cast+down
Train Onecast+down
Hira Minchocast+down
Potta Onecast+down
Reggae Onecast+down
Stickcast+down
Zen Kurenaidocast+down
Kosugi Marucast+down
Rampart Onecast+down
Hachi Maru Popcast+down
New Tegomincast+down
RocknRoll Onecast+down
Kaisei Decolcast+down
「cast+down」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
