diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
new file mode 100644
index 0000000..306ae5d
--- /dev/null
+++ b/app/src/main/res/values/dimens.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- マージン -->
+    <dimen name="margin_tiny">4dp</dimen>
+    <dimen name="margin_small">8dp</dimen>
+    <dimen name="margin_medium">16dp</dimen>
+    <dimen name="margin_large">32dp</dimen>
+    <dimen name="margin_huge">64dp</dimen>
+</resources>
\ No newline at end of file