いろんなフォントで「letterbox」変換
Zen Old Mincholetterbox
Yusei Magicletterbox
M PLUS 1letterbox
Shippori Antiqueletterbox
Yuji Mailetterbox
Dela Gothic Oneletterbox
DotGothic16letterbox
Train Oneletterbox
Hira Mincholetterbox
Potta Oneletterbox
Reggae Oneletterbox
Stickletterbox
Zen Kurenaidoletterbox
Kosugi Maruletterbox
Rampart Oneletterbox
Hachi Maru Popletterbox
New Tegominletterbox
RocknRoll Oneletterbox
Kaisei Decolletterbox
「letterbox」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
この漢字は何でしょう？？