diff --git a/sass/base/_color.scss b/sass/base/_color.scss
index ec6ed3b..8dae36f 100644
--- a/sass/base/_color.scss
+++ b/sass/base/_color.scss
@@ -1,7 +1,7 @@
-$color-background: #eee;
-$color-main: #258fb8;
-$color-gray01: #666;
-$color-gray02: #999;
-$color-gray03: #ccc;
-$color-gray04: #ddd;
-$color-gray05: #fff;
\ No newline at end of file
+$color-background: #eee !default;
+$color-main: #258fb8 !default;
+$color-gray01: #666 !default;
+$color-gray02: #999 !default;
+$color-gray03: #ccc !default;
+$color-gray04: #ddd !default;
+$color-gray05: #fff !default;
\ No newline at end of file
diff --git a/sass/custom/_color.scss b/sass/custom/_color.scss
new file mode 100644
index 0000000..7e3c604
--- /dev/null
+++ b/sass/custom/_color.scss
@@ -0,0 +1,7 @@
+// $color-background: #eee;
+// $color-main: #258fb8;
+// $color-gray01: #666;
+// $color-gray02: #999;
+// $color-gray03: #ccc;
+// $color-gray04: #ddd;
+// $color-gray05: #fff;
\ No newline at end of file
diff --git a/sass/screen.scss b/sass/screen.scss
index 96025e3..1f83d49 100644
--- a/sass/screen.scss
+++ b/sass/screen.scss
@@ -1,5 +1,7 @@
 @import "compass";
 
+@import "custom/color";
+
 @import "base";
 @import "parts";
 @import "plugins";
\ No newline at end of file