diff --git a/.marp/Makefile b/.marp/Makefile
new file mode 100644
index 0000000..ac5522e
--- /dev/null
+++ b/.marp/Makefile
@@ -0,0 +1,11 @@
+
+all: build
+
+
+build: theme.css
+
+%.css: %.scss
+	cd .. && npx node-sass --output-style compressed .marp/$< > .marp/$@
+
+.PHONY: build
+