いろんなフォントで「life_preserver」変換
Zen Old Mincholife_preserver
Yusei Magiclife_preserver
M PLUS 1life_preserver
Shippori Antiquelife_preserver
Yuji Mailife_preserver
Dela Gothic Onelife_preserver
DotGothic16life_preserver
Train Onelife_preserver
Hira Mincholife_preserver
Potta Onelife_preserver
Reggae Onelife_preserver
Sticklife_preserver
Zen Kurenaidolife_preserver
Kosugi Marulife_preserver
Rampart Onelife_preserver
Hachi Maru Poplife_preserver
New Tegominlife_preserver
RocknRoll Onelife_preserver
Kaisei Decollife_preserver
「life_preserver」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
