いろんなフォントで「seal_up」変換
Zen Old Minchoseal_up
Yusei Magicseal_up
M PLUS 1seal_up
Shippori Antiqueseal_up
Yuji Maiseal_up
Dela Gothic Oneseal_up
DotGothic16seal_up
Train Oneseal_up
Hira Minchoseal_up
Potta Oneseal_up
Reggae Oneseal_up
Stickseal_up
Zen Kurenaidoseal_up
Kosugi Maruseal_up
Rampart Oneseal_up
Hachi Maru Popseal_up
New Tegominseal_up
RocknRoll Oneseal_up
Kaisei Decolseal_up
「seal_up」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
