diff --git a/style.css b/style.css
index 13aacdf..c4f3ffc 100644
--- a/style.css
+++ b/style.css
@@ -1,25 +1,23 @@
 /* ==============================
  共通
 ============================== */
+* {
+  box-sizing: border-box;
+}
 body {
   margin: 0;
   font-family: "Hiragino Sans", "Helvetica Neue", Arial, sans-serif;
 }
 
-.fadeIn {
-  animation: fadeIn 0.5s ease-out;
-}
-.fadeInUp {
-  animation: fadeInUp 0.6s ease-out;
-}
+.fadeIn { animation: fadeIn .6s ease; }
+.fadeInUp { animation: fadeInUp .6s ease; }
 
 @keyframes fadeIn {
   from { opacity: 0; }
   to { opacity: 1; }
 }
-
 @keyframes fadeInUp {
-  from { opacity: 0; transform: translateY(20px); }
+  from { opacity: 0; transform: translateY(18px); }
   to { opacity: 1; transform: translateY(0); }
 }
 
@@ -32,23 +30,22 @@
   display: flex;
   justify-content: center;
   align-items: center;
-  padding: 20px;
 }
 
 .index-container {
-  width: 90%;
+  width: 92%;
   max-width: 420px;
-  padding: 25px;
-  background: white;
-  border-radius: 18px;
+  padding: 30px 20px;
+  background: #fff;
+  border-radius: 20px;
   box-shadow: 0 12px 28px rgba(0,0,0,0.15);
   text-align: center;
 }
 
 .index-container input[type="text"] {
   width: 100%;
-  padding: 12px;
-  margin-top: 12px;
+  padding: 13px;
+  margin-top: 14px;
   border-radius: 10px;
   border: 2px solid #ddd;
   font-size: 17px;
@@ -56,11 +53,11 @@
 
 .start-btn {
   width: 100%;
-  margin-top: 16px;
   padding: 12px;
-  border-radius: 10px;
-  background: #4ba3ff;
+  margin-top: 18px;
   border: none;
+  border-radius: 12px;
+  background: #4ba3ff;
   color: white;
   font-size: 18px;
 }
@@ -68,57 +65,39 @@
 /* ==============================
  map4.html
 ============================== */
-
 body.map-page {
   background: linear-gradient(135deg, #d7efff, #e8ffef);
   padding: 20px;
 }
 
-/* 上のカード */
-.map-header {
-  display: flex;
-  justify-content: space-between;
-  align-items: center;
-}
-
 .card {
   background: white;
   padding: 16px;
-  border-radius: 16px;
-  box-shadow: 0 6px 18px rgba(0,0,0,0.15);
+  border-radius: 18px;
+  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
   margin-bottom: 20px;
 }
 
-/* PC: 横並び / スマホ: 縦並び */
+/* PC横並び */
 .map-body {
   display: flex;
   flex-direction: column;
   gap: 20px;
 }
-
 @media (min-width: 900px) {
   .map-body {
     flex-direction: row;
   }
-  .member-area {
-    width: 30%;
-  }
-  .map-area {
-    width: 70%;
-  }
+  .member-area { width: 28%; }
+  .map-area { width: 72%; }
 }
 
-/* 地図（中央ズレ対策） */
-#map-wrapper {
-  padding: 0;
-  margin: 0;
-}
-
+/* 地図 */
 #map {
   width: 100%;
   height: 500px;
   border-radius: 14px;
-  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
+  box-shadow: 0 4px 18px rgba(0,0,0,0.20);
 }
 
 /* メンバー一覧 */
@@ -127,27 +106,47 @@
   padding: 0;
   margin: 0;
 }
-
 #memberList li {
-  padding: 12px;
-  margin-bottom: 12px;
   background: #f2f6ff;
-  border-radius: 12px;
   border-left: 5px solid #4ba3ff;
+  padding: 12px;
+  margin: 10px 0;
+  border-radius: 12px;
   cursor: pointer;
-  transition: 0.2s;
+  display: flex;
+  align-items: center;
+  gap: 12px;
 }
 
-#memberList li:hover {
-  transform: translateX(4px);
+/* オンライン/オフライン丸 */
+.member-icon {
+  width: 26px;
+  height: 26px;
+  border-radius: 50%;
+  background: #4ba3ff;
+  position: relative;
 }
 
-/* 退出ボタン */
-.exit-btn {
-  padding: 8px 14px;
-  background: #ff6b6b;
-  color: white;
-  border: none;
-  border-radius: 10px;
-  cursor: pointer;
+.online .member-icon::after,
+.offline .member-icon::after {
+  content: "";
+  position: absolute;
+  width: 12px;
+  height: 12px;
+  border-radius: 50%;
+  bottom: -3px;
+  right: -3px;
+  border: 2px solid white;
+}
+.online .member-icon::after { background: #22dd77; }
+.offline .member-icon::after { background: #ff5d5d; }
+
+/* ピンの上の名前吹き出し */
+.marker-label {
+  background: white;
+  padding: 3px 8px;
+  border-radius: 6px;
+  font-size: 13px;
+  border: 1px solid #ccc;
+  white-space: nowrap;
 }