/* 共通 */
body {
  margin: 0;
  font-family: "Hiragino Sans", "Helvetica Neue", Arial, sans-serif;
}
input, button {
  box-sizing: border-box;
}

/* index */
body.index-page {
  background: linear-gradient(135deg, #9be2ff, #c7f5d9);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.index-container {
  width: 90%;
  max-width: 420px;
  padding: 25px;
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.12);
}

.index-container input[type="text"] {
  width: 100%;
  padding: 12px;
  margin-top: 8px;
  border-radius: 10px;
  border: 2px solid #ddd;
  font-size: 16px;
}

/* map4 */
body.map-page {
  background: linear-gradient(135deg, #d7efff, #e8ffef);
  padding: 16px;
}

/* ★ flexの外にある地図ブロック（これが重要） */
#map {
  width: 100%;
  height: 480px;
  margin: 16px 0;
  border-radius: 14px;
  box-shadow: 0 4px 18px rgba(0,0,0,0.20);
}

/* カード共通 */
.card {
  background: white;
  padding: 16px;
  border-radius: 16px;
  box-shadow: 0 4px 18px rgba(0,0,0,0.12);
  margin-bottom: 16px;
}

/* メンバー */
.member-area ul {
  list-style: none;
  padding: 0;
}

.member-area li {
  background: #f9fbff;
  padding: 12px;
  margin-bottom: 10px;
  border-left: 5px solid #4ba3ff;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* アイコン */
.member-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #4ba3ff;
}

/* オンライン/オフライン */
.online .member-icon::after {
  content: "";
  position: absolute;
  right: -5px;
  bottom: -5px;
  width: 10px;
  height: 10px;
  background: #1ed760;
  border-radius: 50%;
  border: 2px solid white;
}

.offline .member-icon::after {
  content: "";
  position: absolute;
  right: -5px;
  bottom: -5px;
  width: 10px;
  height: 10px;
  background: #ff4d4d;
  border-radius: 50%;
  border: 2px solid white;
}

/* fadeIn */
.fadeIn {
  animation: fadeIn 0.5s ease-out;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}