-\documentclass[twocolumn]{bxjsarticle}
-
-\usepackage{luatexja}
-
-% from jsclasses
-\DeclareRobustCommand\sffamily
- {\romanfamily\sfdefault\kanjifamily\gtdefault\selectfont}
-
-\makeatletter
-\hour\time \divide\hour by 60\relax
-\@tempcnta\hour \multiply\@tempcnta 60\relax
-\minute\time \advance\minute-\@tempcnta
-
-\tombowtrue \tombowdatetrue
-\setlength{\@tombowwidth}{.1\p@}%
-\@bannertoken{%
- \jobname\space(\number\year-\two@digits\month-\two@digits\day
- \space\two@digits\hour:\two@digits\minute)}%
-\maketombowbox