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

html, body {
  height: 100%;
  width: 100%;
  background: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

.canvas {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  width: 100%;
}

.center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.border-box {
  border: 1.5px dashed #e0e0e0;
  border-radius: 8px;
  padding: 48px 64px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.ghost-text {
  color: #d0d0d0;
  font-size: 15px;
  letter-spacing: 0.01em;
  user-select: none;
}

.ghost-sub {
  color: #ddd;
  font-size: 13px;
  user-select: none;
}

.hint {
  color: #e0e0e0;
  font-size: 11px;
  letter-spacing: 0.02em;
  user-select: none;
}

.footer {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
}

.footer a {
  color: #e8e8e8;
  font-size: 10px;
  text-decoration: none;
  letter-spacing: 0.02em;
}

.footer a:hover {
  color: #ccc;
}