いろんなフォントで「split_down」変換
Zen Old Minchosplit_down
Yusei Magicsplit_down
M PLUS 1split_down
Shippori Antiquesplit_down
Yuji Maisplit_down
Dela Gothic Onesplit_down
DotGothic16split_down
Train Onesplit_down
Hira Minchosplit_down
Potta Onesplit_down
Reggae Onesplit_down
Sticksplit_down
Zen Kurenaidosplit_down
Kosugi Marusplit_down
Rampart Onesplit_down
Hachi Maru Popsplit_down
New Tegominsplit_down
RocknRoll Onesplit_down
Kaisei Decolsplit_down
「split_down」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
