いろんなフォントで「seal_in」変換
Zen Old Minchoseal_in
Yusei Magicseal_in
M PLUS 1seal_in
Shippori Antiqueseal_in
Yuji Maiseal_in
Dela Gothic Oneseal_in
DotGothic16seal_in
Train Oneseal_in
Hira Minchoseal_in
Potta Oneseal_in
Reggae Oneseal_in
Stickseal_in
Zen Kurenaidoseal_in
Kosugi Maruseal_in
Rampart Oneseal_in
Hachi Maru Popseal_in
New Tegominseal_in
RocknRoll Oneseal_in
Kaisei Decolseal_in
「seal_in」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
