diff --git a/README.md b/README.md
index 20288f1..6787e94 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 Agari is a comprehensive Riichi Mahjong scoring engine written in idiomatic, modern Rust. It transforms raw hand notations into detailed scoring results, handling the complex interplay between hand decomposition, wait patterns, situational yaku, and minipoint (fu) calculation.
 
-**[🎮 Live Demo](https://ryblogs.github.io/agari/)** — Try the web interface for agari-core
+**[🎮 Live Demo](https://agari.org/)** — Try the web interface for agari-core
 
 ---
 
diff --git a/web/src/app.css b/web/src/app.css
index 01662c5..30a878b 100644
--- a/web/src/app.css
+++ b/web/src/app.css
@@ -76,6 +76,13 @@
     box-sizing: border-box;
 }
 
+/* Prevent double-tap-to-zoom on interactive elements for mobile */
+button,
+.btn,
+[role="button"] {
+    touch-action: manipulation;
+}
+
 html {
     font-family: var(--font-sans);
     font-size: 14px;