/*
チャットボット用CSS
右下にフローティングボタンとチャットウィンドウを表示
*/
#chatbot-fab {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 56px;
  height: 56px;
  background: #0078d7;
  color: #fff;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  cursor: pointer;
  z-index: 9999;
  transition: background 0.2s;
}
#chatbot-fab:hover {
  background: #005fa3;
}
#chatbot-window {
  position: fixed;
  right: 24px;
  bottom: 90px;
  width: 360px;
  height: 520px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.25);
  overflow: hidden;
  display: none;
  flex-direction: column;
  z-index: 10000;
}
#chatbot-window.active {
  display: flex;
}
#chatbot-header {
  background: #0078d7;
  color: #fff;
  padding: 12px 16px;
  font-size: 16px;
  font-weight: bold;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
#chatbot-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 20px;
  cursor: pointer;
}
#chatbot-iframe {
  flex: 1;
  border: none;
  width: 100%;
  height: 100%;
}
@media (max-width: 480px) {
  #chatbot-window {
    width: 98vw;
    height: 80vh;
    right: 1vw;
    bottom: 80px;
  }
}