Translation: Use native category titles

assets/css/fonts-ja.css

@@ -1,5 +1,3 @@
-/* TODO: trim this down to just the font(s) we want to use for Japanese. */
-
 /*
 "Makinas" free font by Mojiwaku Kenkyuu.
 もじワク研究からの「マキナス」フォント
@@ -24,10 +22,11 @@ https://moji-waku.com/makinas/index.html
 }
 
 
+/* Other Japanese fonts unused for now */
 /*
 851ゴチカクット フォント (http://pm85122.onamae.jp/851Gkktt.html　から)
 作成者の8:51:22pmさんに感謝
-*/
+
 @font-face {
   font-family: '851Gkktt';
   font-style: normal;
@@ -38,7 +37,7 @@ https://moji-waku.com/makinas/index.html
 }
 
 
-/* M+ 1p from Google Fonts (unicode range simplified a bit) */
+/* M+ 1p from Google Fonts (unicode range simplified a bit)
 @font-face {
   font-family: 'M PLUS 1p';
   font-style: normal;
@@ -56,3 +55,4 @@ https://moji-waku.com/makinas/index.html
   src: local('M PLUS 1p Bold'), local('MPLUS1p-Bold'), url(https://fonts.gstatic.com/s/mplus1p/v19/e3tmeuShHdiFyPFzBRrQRBEgfivGoOYmg_dUa_BuiDU9F33s7CtHVU4.0.woff2) format('woff2');
   unicode-range: U+20, U+3001-30fe, U+4e00-9faf, U+ff00-ffef;
 }
+*/