/* ==============================
   共通
============================== */
body {
  margin: 0;
  font-family: "Hiragino Sans", "Helvetica Neue", Arial, sans-serif;
  user-select: none;
}

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

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

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

/* レイアウト */
.map-layout {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

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

/* 地図用パディング（ここだけ適用） */
.card-content {
  padding: 18px;
}

/* 地図構造 */
#map-wrapper {
  padding: 0;
  margin: 0;
}

#map {
  width: 100%;
  height: 480px;
  display: block;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

/* メンバー一覧 */
.member-area h2 {
  text-align: center;
}

/* メンバーアイコン */
.member-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6db9ff, #4a90e2);
  position: relative;
}

/* オンライン/オフライン */
.online .member-icon::after {
  content: "";
  position: absolute;
  right: -4px;
  bottom: -4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #35cc62;
  border: 2px solid white;
}

.offline .member-icon::after {
  content: "";
  position: absolute;
  right: -4px;
  bottom: -4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #ff6b6b;
  border: 2px solid white;
}

/* fadeIn */
.fadeIn {
  animation: fadeIn 0.6s ease-out;
}

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