.loading {
  width: 40px;
  height: 40px;
  animation: rotator 1.6s linear 0.35s infinite;
}

@keyframes rotator {
  0% {
    transform: rotate(-90deg);
  }

  100% {
    transform: rotate(180deg);
  }
}

.loading circle {
  stroke-dasharray: 114;
  stroke-dashoffset: 0;
  transform-origin: center;
  stroke: #2860d8;
  animation:
    spin-fade-in 0.4s ease-in-out,
    spin-dash 1.6s ease-in-out 0.35s infinite;
}

@keyframes spin-fade-in {
  0% {
    opacity: 0;
  }

  87.5% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}

@keyframes spin-dash {
  0% {
    stroke-dashoffset: 111;
  }

  50% {
    stroke-dashoffset: 28.5;
    transform: rotate(135deg);
  }

  100% {
    stroke-dashoffset: 111;
    transform: rotate(450deg);
  }
}
/** ローディング関係以外 **/
html,
body {
  height: 100%;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
}

h1 {
  font-weight: 200;
  font-family: serif;
  margin-bottom: 40px;
}


section {
  text-align: center;
  font-size: 14px;
}

.hidden {
  display: none;
}

button.next {
  padding: 8px 20px;
  font-size: 20px;
  min-width: 160px;
  border-radius: 6px;
  border: none;
  background-color: #2860d8;
  color: #ffffff;
  cursor: pointer;
  width: 100%;
}

button.reset {
  padding: 8px 20px;
  font-size: 14px;
  min-width: 160px;
  border-radius: 6px;
  border: none;
  background-color: transparent;
  color: #2860d8;
  cursor: pointer;
  text-decoration: underline;
}

.content .main {
  font-size: 28px;
  margin-bottom: 8px;
}

.error-content {
  text-align: center;
}
.error-content .error-message {
  font-size: 24px;
  color: red;
}