/* bodyは触らない */
body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
}

/* 404ページ本体 */
.page-404 {
  min-height: calc(100vh - 200px); /* header + footer */
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-404 .container {
  text-align: center;
}

.page-404 .code {
  font-size: 96px;
  font-weight: 700;
  color: #1f3c88;
  margin-bottom: -20px;
}

.page-404 .title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: #1f3c88;
  margin-bottom: 20px;
}

.page-404 .message {
  font-size: 14px;
  padding: 0 20px;
  line-height: 1.8;
  margin-bottom: 30px;
  color: #333;
}

.page-404 .btn {
  display: inline-block;
  padding: 12px 32px;
  background: #1f3c88;
  color: #fff;
  text-decoration: none;
  border-radius: 25px;
}

/* SP */
@media (max-width: 480px) {
  .page-404 .code {
    font-size: 64px;
    padding: 0 20px;
  }
  
  .page-404 .container {
    padding: 0 20px;
  }
  
  .page-404 .title {
    padding: 0 20px;
  }
  
  .page-404 .message {
    padding: 0 20px;
  }
}