reset
unset label
set style line 1 lt 1 pt 6 lw 2 lc rgb 'black'
set style line 2 lt 1 pt 8 lw 2 lc rgb 'red'
set style line 3 lt 1 pt 4 lw 2 lc rgb 'blue'
set style line 9 lt 2 lw 2 lc rgb 'black'
sr0 = 0.6
sx1 = 1.0*sr0
sx = sx1
sy1 = 1.0*sr0 ; sy2 = 1.0*sr0
sy = sy1 + sy2
zero(x) = 0.0
set terminal postscript eps enhanced color font "Century, 20" #<-----
set output "| epstopdf -f -o=hoge.pdf"
set tmargin 0.5
set lmargin 8 #for SOROE of the left-edge.
set size sx, sy #=(X,Y)-Ratio
set multiplot layout 2,1
set origin 0, sy1
set size sx1, sy2
set xlabel " "
set ylabel "a_v for {/Symbol L}-p (fm)"
p [-6:21] zero(x) w l ls 9 ti "", \
"../J^P_01^Minus/Data_01.hist" u 1:2 w lp ls 1 ti "E_{cut}=15 MeV"
set origin 0, 0
set size sx1, sy1
set xlabel "v_0 for {/Symbol L}-p (MeV.fm^3)"
set ylabel "<H_{3B}>_{g.s.} (MeV)"
p [-6.7:0.8] \
"../J^P_01^Minus/Data_01.hist" u 1:3 w lp ls 2 ti "J^{/Symbol p}=1^-", \
"../J^P_02^Minus/Data_01_2m.hist" u 1:3 w lp ls 3 ti "=2^-"
unset multiplot
unset output ; set terminal x11 ; unset label #<-----