--- nono/lib/rect.h	2026/04/29 17:05:08	1.1
+++ nono/lib/rect.h	2026/04/29 17:05:26	1.1.1.2
@@ -54,18 +54,18 @@ struct Rect
 };
 
 //
-// 自前の Rect<double> 構造体
+// 自前の Rect<float> 構造体
 //
-struct RectD
+struct RectF
 {
-	double x {};
-	double y {};
-	double w {};
-	double h {};
+	float x {};
+	float y {};
+	float w {};
+	float h {};
 
-	RectD() {}
+	RectF() {}
 
-	RectD(double x_, double y_, double w_, double h_) {
+	RectF(float x_, float y_, float w_, float h_) {
 		x = x_;
 		y = y_;
 		w = w_;