si quito las small caps todo funciona bien, viva

src/app.css

@@ -1,4 +1,4 @@
-@import '@fontsource/fira-mono';
+@import url('https://fonts.googleapis.com/css2?family=Alegreya+Sans+SC:wght@300;400;700&display=swap');
 * {
   box-sizing: border-box;
   margin: 0;

src/lib/components/Heading.svelte

@@ -29,7 +29,7 @@
 	.heading {
 		position: absolute;
 		/* font-variant: small-caps; */
-		text-transform: uppercase;
+		/* text-transform: uppercase; */
 		overflow: hidden;
 	}
 </style>

src/lib/components/Title.svelte

@@ -29,7 +29,7 @@
 <style>
 	.title {
 		position: absolute;
-		font-variant: small-caps;
+		/* font-variant: small-caps; */
 		overflow: hidden;
 		display: flex;
 		justify-content: center;

src/lib/templates/verde.js

@@ -11,7 +11,7 @@ export const verde = {
     right: 20,
     fontSize: 24,
     color: "white",
-    fontFamily: "'Helvetica', sans-serif",
+    fontFamily: "'Alegreya Sans SC', sans-serif",
     lineHeight: 32,
     textAlign: "left",
     fontWeight: 400
@@ -23,7 +23,7 @@ export const verde = {
     right: 16,
     fontSize: 32,
     color: "white",
-    fontFamily: "'Helvetica', sans-serif",
+    fontFamily: "'Alegreya Sans SC', sans-serif",
     lineHeight: 40,
     textAlign: "center",
     fontWeight: 400