* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: #000;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  font-family: 'Noto Sans JP', sans-serif;
}

#gc {
  width: 100%;
  max-width: 2560px;
  height: auto;
  aspect-ratio: 2560 / 1280;
  display: block;
  margin: 0 auto;
}

canvas {
  display: block;
  width: 100%;
  height: calc(100% - 30px); 
}

#input-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #1e1e3c;
  padding: 4px 20px;
  height: 30px;
  display: flex;
  align-items: center;
  gap: 8px;
}

#input-bar span {
  color: #fff;
  font-size: 16px;
  font-family: 'Noto Sans JP', sans-serif;
  white-space: nowrap;
}

#answer-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-size: 16px;
  font-family: 'Noto Sans JP', sans-serif;
  caret-color: #fff;
}