/* ==============================
   共通
============================== */
body {
  margin: 0;
  font-family: "Hiragino Sans", "Helvetica Neue", Arial, sans-serif;
}

/* ==============================
   index.html 用
============================== */
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: 95%;
  max-width: 450px;
  padding: 25px;
  background: #ffffff;
  border-radius: 18px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.12);
  text-align: center;
  animation: fadeIn 0.6s ease-out;
}

.index-container h1 {
  margin: 0 0 15px;
  font-size: 26px;
  font-weight: 700;
  color: #333;
}

.index-container .desc {
  margin-bottom: 20px;
  color: #555;
}

.index-container input[type="text"] {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
  font-size: 17px;
  border: 2px solid #ddd;
  border-radius: 10px;
  box-sizing: border-box;
}

.index-container input[type="text"]:focus {
  border-color: #4ba3ff;
  box-shadow: 0 0 6px rgba(75,163,255,0.4);
}

.index-container button {
  width: 100%;
  padding: 12px;
  font-size: 18px;
  border: none;
  border-radius: 10px;
  background: #4ba3ff;
  color: white;
  cursor: pointer;
  transition: 0.25s;
}

.index-container button:hover {
  background: #1b8af5;
}

/* ==============================
   map4.html 用
============================== */
body.map-page {
  background: linear-gradient(135deg, #d7efff, #e8ffef);
  min-height: 100vh;
  padding: 20px;
  box-sizing: border-box;
}

.map-layout {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* PC では横並び */
@media (min-width: 900px) {
  .map-layout {
    flex-direction: row;
    align-items: flex-start;
  }
  .map-area {
    width: 70%;
  }
  .member-area {
    width: 30%;
  }
}

/* カード共通 */
.card {
  background: #fff;
  padding: 18px;
  border-radius: 18px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.12);
}

/* 地図エリア */
.map-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.map-area h1 {
  margin: 0;
  font-size: 24px;
  color: #333;
}

.group-label {
  margin-top: 8px;
  font-size: 15px;
  color: #555;
}

#map {
  width: 100%;
  height: 480px;
  border-radius: 15px;
  margin-top: 15px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

/* 退出ボタン */
.exit-btn {
  padding: 6px 14px;
  background: #ff6b6b;
  border: none;
  color: white;
  border-radius: 999px;
  cursor: pointer;
  font-size: 13px;
  transition: 0.2s;
}
.exit-btn:hover {
  background: #ff3b3b;
}

/* メンバーエリア */
.member-area h2 {
  margin-top: 0;
  font-size: 20px;
  text-align: center;
  color: #444;
}

#memberList {
  list-style: none;
  padding-left: 0;
  margin: 10px 0 0;
}

/* メンバー1行 */
#memberList li {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #f9fbff;
  padding: 10px;
  margin-bottom: 10px;
  border-radius: 10px;
  font-size: 16px;
  border-left: 5px solid #4ba3ff;
  cursor: pointer;
  transition: 0.2s;
}

#memberList li:hover {
  background: #eef4ff;
  transform: translateX(4px);
}

/* メンバーアイコン丸 */
.member-icon {
  width: 24px;
  height: 24px;
  background: #4ba3ff;
  border-radius: 50%;
}

/* オンライン・オフライン色 */
.online {
  border-left-color: #48d96c !important;
}
.offline {
  border-left-color: #f15b5b !important;
}

/* アニメーション */
.fadeIn {
  animation: fadeIn 0.6s ease-out;
}
.fadeInDelay {
  animation: fadeIn 0.6s ease-out;
  animation-delay: 0.25s;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ピンのバウンド */
@keyframes bounce {
  0%   { transform: translateY(0); }
  30%  { transform: translateY(-12px); }
  60%  { transform: translateY(0); }
}
.bounce-pin {
  animation: bounce 0.6s ease-out;
}