diff --git a/style.css b/style.css
index 35e422a..7f2c55f 100644
--- a/style.css
+++ b/style.css
@@ -264,21 +264,6 @@
   cursor: pointer;
 }
 
-/* ==============================
-   ピン（地図のマーカー）
-============================== */
-.custom-pin { transform-origin: center bottom; }
-.pin-wrapper { position: relative; transform: translate(-16px, -32px); }
-.pin-img { width: 32px; height: 32px; }
-
-.pin-label {
-  background: white;
-  padding: 2px 6px;
-  border-radius: 6px;
-  border: 1px solid #ccc;
-  font-size: 12px;
-  white-space: nowrap;
-}
 
 /* =============== LINE風チャット =============== */