html,
body {
  margin: 0;
  padding: 0;
  overflow: hidden;
}
canvas {
  display: inline-block;
  position: absolute;
  top: 0;
  z-index: -200;
}
.hidden {
  display: none;
}
.g_id_signin{
  position: absolute;
  top: 3%;
  right: 2%;
}
.g_id_signin2{
  position: absolute;
  top: 50%;
  right: 50%;
  transform: translate(50%,50%) scale(1);
}

#profile-container {
  position: fixed;
  top: 10px;
  right: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1000;
}

#profile-img {
  width: 32px;
  height: 32px;
  border-radius: 40px; /* 丸く切り取る */
  object-fit: cover;

}

#profile-name {
  font-size: 16px;
  color: #000;
}

#logout-panel {
  position: absolute;
  top: 100%;
  right: 0;
  background: white;
  border: 1px solid #ccc;
  padding: 8px;
  z-index: 100;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}
#rotate-warning {
  display: none;
  position: fixed;
  z-index: 9999;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.85);
  color: white;
  font-size: 24px;
  text-align: center;
  padding-top: 40vh;
  pointer-events: auto;
}

@media screen and (orientation: portrait) {
  #rotate-warning {
    display: block;
  }
}