diff --git a/book.json b/book.json
index d39e780..9815c1d 100644
--- a/book.json
+++ b/book.json
@@ -1,8 +1,7 @@
 {
   "root": "./src",
   "title": "「モダンからはじめる プログラミング生活！」",
-  "author": "Satsuki Akiba <anosatsuk124@gmail.com>",
-  "authorShort": "Satsuki Akiba",
+  "author": "Satsuki Akiba",
   "language": "ja",
   "plugins": [
     "anchors",
@@ -12,7 +11,7 @@
     "search-pro-fixed"
   ],
   "pdf.fontSize": 16,
-  "pdf.fontFamily": "ZenMaruGothic",
+  "pdf.fontFamily": "FirgeNerd",
   "pdf.paperSize": "a4",
   "pdf.embedFonts": true
 }
diff --git a/fonts/FirgeNerd_v0.2.0.zip b/fonts/FirgeNerd_v0.2.0.zip
new file mode 100644
index 0000000..7ad2130
--- /dev/null
+++ b/fonts/FirgeNerd_v0.2.0.zip
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3eba8689ae06b25c415c2c96e0093a7a03a19a72a52d0e0fb46cda78501fb687
+size 28426234
diff --git a/public/.gitignore b/public/.gitignore
new file mode 100644
index 0000000..d6b7ef3
--- /dev/null
+++ b/public/.gitignore
@@ -0,0 +1,2 @@
+*
+!.gitignore
diff --git a/public/.gitkeep b/public/.gitkeep
deleted file mode 100644
index e69de29..0000000