Avoid clipping focus indicator around site title (v2) (#3058)

Co-authored-by: Chris Swithinbank <swithinbank@gmail.com>

Author: techfg

.changeset/five-radios-laugh.md

@@ -0,0 +1,5 @@
+---
+'@astrojs/starlight': patch
+---
+
+Fixes display of focus indicator around site title

packages/starlight/components/SiteTitle.astro

@@ -43,6 +43,10 @@ const { siteTitle, siteTitleHref } = Astro.locals.starlightRoute;
 			color: var(--sl-color-text-accent);
 			text-decoration: none;
 			white-space: nowrap;
+			min-width: 0;
+		}
+		span {
+			overflow: hidden;
 		}
 		img {
 			height: calc(var(--sl-nav-height) - 2 * var(--sl-nav-pad-y));