body {
  margin: 0;
  background: #0b0014;
  font-family: "Times New Roman", "MS Mincho", serif;
  display: flex;
}

.ui {
  position: fixed;
  left: 0;
  top: 0;
  width: 280px;
  height: 100vh;
  padding: 18px;
  background: #1b0f2a;
  color: #fff;
  box-sizing: border-box;
  overflow-y: auto;
  z-index: 10;
}

.ui h2 {
  margin-top: 0;
  font-size: 18px;
  border-bottom: 2px solid #5b2b7a;
  padding-bottom: 5px;
}

label {
  display: block;
  font-size: 13px;
  margin-bottom: 12px;
  color: #ccc;
}

input, select, button {
  width: 100%;
  margin-top: 5px;
  padding: 5px;
  background: #2d1b42;
  border: 1px solid #5b2b7a;
  color: white;
  border-radius: 4px;
}

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

button {
  margin-top: 15px;
  padding: 10px;
  font-weight: bold;
  background: #5b2b7a;
  cursor: pointer;
  transition: 0.2s;
}

button:hover {
  background: #7b3ba3;
}

canvas {
  margin-left: 280px;
  display: block;
}

.text-center {
  text-align: center;
}
.disclaimer {
  font-size: 12px;
  line-height: 1.6;
  color: #ffffff; /* 文字色を薄く */
}

.disclaimer p {
  margin: 4px 0;
  text-align: center; /* 先ほどの「中央揃え」を活用 */
}
#save {
  background: #5b2b7a;
}

#saveBanner {
  background: #3d1d52; /* 少し色を変えて、サブボタン感を出したり */
  margin-top: 8px;
}