@font-face {
  font-family: 'Roboto Flex';
  font-style: normal;
  font-weight: 400;
  font-stretch: normal;
  font-display: swap;
  src: url("https://sub.syachou-blog.com/wp-content/uploads/onesbrain-assets/db9570978633a85b92c5.ttf") format('truetype');
}