diff --git a/web/src/routes/+page.svelte b/web/src/routes/+page.svelte
index 990d05d..26d6b08 100644
--- a/web/src/routes/+page.svelte
+++ b/web/src/routes/+page.svelte
@@ -85,8 +85,10 @@
 
   /* The three points, sheltered: centred in the opening (x from −19 to 19; a band from y = −19,
      under the keystone, to 19, centred on the springing line y = 0), one line each. The type
-     follows the arch (cqi): the longest line of the three languages, 10.8 em, holds in the
-     38 units of the opening with room to spare. */
+     follows the arch (cqi): the longest line of the three languages, 10.5 em (es), holds in the
+     38 units of the opening with room to spare. On a phone the italic is small (12px at 360):
+     its advances are kept exact, not rounded to the pixel, or the letters drift apart
+     (« pr ocessus ») and the word spaces close up. */
   .leitmotiv {
     position: absolute;
     inset: calc(2100% / 59) calc(2700% / 92) 0;
@@ -104,6 +106,7 @@
     color: var(--ink-soft);
     white-space: nowrap;
     text-align: center;
+    text-rendering: geometricPrecision;
   }
 
   .intro h1 {