いろんなフォントで「seal off」変換
Zen Old Minchoseal off
Yusei Magicseal off
M PLUS 1seal off
Shippori Antiqueseal off
Yuji Maiseal off
Dela Gothic Oneseal off
DotGothic16seal off
Train Oneseal off
Hira Minchoseal off
Potta Oneseal off
Reggae Oneseal off
Stickseal off
Zen Kurenaidoseal off
Kosugi Maruseal off
Rampart Oneseal off
Hachi Maru Popseal off
New Tegominseal off
RocknRoll Oneseal off
Kaisei Decolseal off
「seal off」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
