diff --git a/emacs.d/init.el b/emacs.d/init.el
index 5712666..7c0c31a 100644
--- a/emacs.d/init.el
+++ b/emacs.d/init.el
@@ -109,8 +109,9 @@
   (setq completion-ignore-case t) ;; file名の補完で大文字小文字を区別しない
   (global-auto-revert-mode t) ;; バッファ自動再読み
   (cd "~/") ;HOMEディレクトリに移動
-  
-  )
+  (setq auto-save-default nil) ; .# とかの謎ファイルを作らない
+  (setq make-backup-files nil) ; .~ とかの謎ファイルを作らない
+)
 ;; ファイル名がぶつからないようにする (uniquify)
 (use-package uniquify
   :config
@@ -118,11 +119,11 @@
   (setq uniquify-ignore-buffers-re "*[^*]+*"))
 
 ;; recentf
-(use-package recentf
+(leaf recentf
   :ensure t
   :straight t
   :init
-  (use-package counsel :ensure t)
+  (leaf counsel :ensure t)
   (recentf-mode 1)
   
   :config
@@ -242,6 +243,49 @@
   (setq slime-fuzzy-explanation "")
   (setq slime-kill-without-query-p t))
 
+
+(leaf rainbow-delimiters
+  :ensure t
+  :straight t
+  :init
+  (require 'cl-lib)
+  (require 'color)
+  (defun rainbow-delimiters-using-stronger-colors ()
+    (interactive)
+    (cl-loop
+     for index from 1 to rainbow-delimiters-max-face-count
+     do
+     (let ((face (intern (format "rainbow-delimiters-depth-%d-face" index))))
+       (cl-callf color-saturate-name (face-foreground face) 100))))
+  :hook
+  (after-init . rainbow-delimiters-using-stronger-colors)
+  (prog-mode-hook . rainbow-delimiters-mode)
+  :config
+  (setq rainbow-delimiters-outermost-only-face-count  1)
+  (set-face-foreground 'rainbow-delimiters-depth-1-face "#c49696")
+  (set-face-foreground 'rainbow-delimiters-depth-2-face "#ff5e5e")
+  (set-face-foreground 'rainbow-delimiters-depth-3-face "#ffaa77")
+  (set-face-foreground 'rainbow-delimiters-depth-4-face "#dddd77")
+  (set-face-foreground 'rainbow-delimiters-depth-5-face "#80ee80")
+  (set-face-foreground 'rainbow-delimiters-depth-6-face "#66bbff")
+  (set-face-foreground 'rainbow-delimiters-depth-7-face "#da6bda")
+  (set-face-foreground 'rainbow-delimiters-depth-8-face "#afafaf")
+  (set-face-foreground 'rainbow-delimiters-depth-9-face "#f0f0f0"))
+
+;; smartparens
+;; M-x sp-cheat-sheet to shee commands available
+;; https://github.com/Fuco1/smartparens
+(leaf smartparens
+  :ensure t
+  :config
+  (require 'smartparens-config)
+  (smartparens-global-mode)
+  :bind
+  (("C-<right>" . sp-forward-slurp-sexp)
+   ("C-<left>" . sp-forward-barf-sexp))
+)
+
+
 (require 'bind-key)
 (bind-key "C-t" 'other-window global-map)
 (bind-key "C-h" 'delete-backward-char global-map)