Add migemo

init.el

@@ -492,6 +492,18 @@ directory. Otherwise, run `find-file' on that file."
 (require 'mozc nil t)
 (setq default-input-method "japanese-mozc")
 
+;; migemo
+(use-package migemo
+  :config
+  (setq migemo-dictionary "/usr/share/migemo/utf-8/migemo-dict"
+        migemo-coding-system 'utf-8-unix
+        migemo-regex-dictionary nil
+        migemo-user-dictionary nil
+        migemo-isearch-enable-p t)
+  (keymap-global-set "C-c w" 'isearch-forward)
+  (keymap-global-set "C-c W" 'isearch-backward)
+  (migemo-init))
+
 ;; undo-tree
 (use-package undo-tree
   :defer nil