%<*en>
\documentclass[a4paper,titlepage]{article}
\usepackage[margin=25mm,footskip=5mm]{geometry}
+\usepackage{mathptmx}
%</en>
%<*ja>
\documentclass[a4paper,titlepage]{ltjsarticle}
-\usepackage[margin=25mm, footskip=5mm]{geometry}
+\usepackage[textwidth=45\zw, lines=45, footskip=5mm]{geometry}
\advance\leftmargini-1\zw\advance\leftmarginii-1\zw
%</ja>
%<*zh>
%</zh>
\usepackage{amsmath,amssymb,xcolor,pict2e,multienum,amsthm,float,makecell}
-\usepackage{mathptmx}
\usepackage{booktabs,listings,showexpl,multicol}
\usepackage{luatexja-otf}
\usepackage{luatexja-fontspec}
\usepackage[all]{xy}
%<ja> \SelectTips{cm}{}
%<*en>
-\usepackage{mathptmx}
\setmainfont[Ligatures=TeX]{TeX Gyre Termes}
\setsansfont[Ligatures=TeX]{TeX Gyre Heros}
\frenchspacing