body,
html {
  overflow: hidden;
  height: 100%;
  margin: 0;
  padding: 0;
}

#p5Container {
  padding: 0px;
  margin-top: 60px;
  height: calc(100vh - 60px);
  overflow: hidden;
  position: relative;
}

#p5Canvas {
  text-align: center;
  width: 100%;
  height: 100%;
}

/* 設定パネル */
.settings-modal {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: rgba(0, 0, 0, 0.9);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  padding: 30px;
  color: white;
  width: 380px;
  max-width: 90vw;
  z-index: 2000;
  backdrop-filter: blur(15px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.settings-content h5 {
  margin-bottom: 20px;
  color: white;
  text-align: center;
  font-size: 1.2rem;
}

.settings-content .form-label {
  color: white;
}

.speed-label {
  color: #aef;
  font-weight: bold;
  font-size: 0.95rem;
  margin-bottom: 6px;
}

/* 左下コントロール */
.left-bottom-controls {
  position: absolute;
  bottom: 20px;
  left: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  z-index: 1000;
}

.left-bottom-controls button {
  padding: 10px 20px;
  font-size: 16px;
  font-weight: bold;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  transition:
    transform 0.2s,
    box-shadow 0.2s;
  white-space: nowrap;
}

.left-bottom-controls button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 8px rgba(0, 0, 0, 0.4);
}

.left-bottom-controls button:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* 右上コントロール */
.right-top-controls {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 1000;
}

.right-top-controls button {
  padding: 10px 20px;
  font-size: 16px;
  font-weight: bold;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  transition:
    transform 0.2s,
    box-shadow 0.2s;
  white-space: nowrap;
}

.right-top-controls button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 8px rgba(0, 0, 0, 0.4);
}

.right-top-controls button:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* スマホサイズ対応 */
@media (max-width: 576px) {
  .left-bottom-controls,
  .right-top-controls {
    gap: 8px;
  }

  .left-bottom-controls {
    bottom: 10px;
    left: 10px;
  }

  .right-top-controls {
    top: 10px;
    right: 10px;
  }

  .left-bottom-controls button,
  .right-top-controls button {
    padding: 8px 15px;
    font-size: 14px;
  }

  .settings-modal {
    padding: 20px;
    width: 300px;
  }
}

/* 小さいスマホサイズ対応 */
@media (max-width: 400px) {
  .left-bottom-controls button,
  .right-top-controls button {
    padding: 6px 12px;
    font-size: 12px;
  }
}