>>279
次ので行けますね。
sffamily のスケーリングに難がありますが …

\renewcommand*{\textgreekfontmap}{%
{eur/*/*}{U/eur/*/*}
{phv/*/*}{U/psy/*/*}
{ntxss/b/n}{LGR/fds/b/n}
{ntxss/bx/n}{LGR/fds/bx/n}
{ntxss/*/n}{LGR/fds/m/n}
{ntxss/b/it}{LGR/fds/b/it}
{ntxss/bx/it}{LGR/fds/bx/it}
{ntxss/*/it}{LGR/fds/m/it}
{ntxss/b/sl}{LGR/fds/b/sl}
{ntxss/bx/sl}{LGR/fds/bx/sl}
{ntxss/*/sl}{LGR/fds/m/sl}
{ntxss/*/sc}{LGR/fds/m/sc}
{ntxss/*/sco}{LGR/fds/m/sco}
{*/b/n}{LGR/artemisia/b/n}
{*/bx/n}{LGR/artemisia/bx/n}
{*/*/n}{LGR/artemisia/m/n}
{*/b/it}{LGR/artemisia/b/it}
{*/bx/it}{LGR/artemisia/bx/it}
{*/*/it}{LGR/artemisia/m/it}
{*/b/sl}{LGR/artemisia/b/sl}
{*/bx/sl}{LGR/artemisia/bx/sl}
{*/*/sl}{LGR/artemisia/m/sl}
{*/*/sc}{LGR/artemisia/m/sc}
{*/*/sco}{LGR/artemisia/m/sco}
}