「游ゴシック」はかすれる時があるのでNG
"Hiragino Kaku Gothic ProN"はMacで動くが、Windowsでは動かない。

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Yahoo Japan:
MS PGothic,Arial,Hiragino Kaku Gothic ProN,Osaka,sans-serif;
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Rakuten
Meiryo,Hiragino Kaku Gothic ProN,MS PGothic,sans-serif
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官邸
 "ヒラギノ明朝 ProN W3", "Hiragino Mincho ProN", "HGP明朝B", "ＭＳ Ｐ明朝", "ＭＳ 明朝", serif !important;
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Ajaxいいねボタン（font-family version 1）:
"Hiragino Kaku Gothic ProN",Meiryo,"MS PGothic","Lucida Grande","sans-serif";
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"Hiragino Kaku Gothic ProN"　: for Mac
"Meiryo"                    : for Windows
"MS PGothic"                : fallback for "Meiryo"
"sans-serif"                : Category (ゴシック)
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