set terminal postscript eps enhanced "GothicBBB-Medium-UniJIS-UTF8-H" 20
set output "fig_Jfont_eps_UTF8N.eps"
set title "日本語は使えるかな？ (UTF8N)"
set xlabel "ｘ軸の単位 (gal)"
set ylabel "ｙ軸の単位 (km/s)"
set label "日本語は使えるのかな？ (明朝体)" at graph 0.5,graph 0.50 center  font "Ryumin-Light-UniJIS-UTF8-H,15"
plot sin(x) title "正弦関数",cos(x) title "余弦曲線",sin(x)+cos(x) title "正弦＋余弦"