diff --git a/otani.pdf b/otani.pdf
index f56213a..242d0a4 100644
--- a/otani.pdf
+++ b/otani.pdf
Binary files differ
diff --git a/otani.tex b/otani.tex
index f69d6ff..7f34a82 100644
--- a/otani.tex
+++ b/otani.tex
@@ -1,5 +1,6 @@
 %\documentclass[a4j]{jarticle}
-\documentclass[dvipdfmx, 11pt]{jbook}
+\documentclass[a4j,11pt]{jbook}
+%\documentclass[dvipdfmx, 11pt]{jbook}
 %\documentclass{jarticle}
 \usepackage{graphicx}
 \thispagestyle{empty}