:root {
  color-scheme: light;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  color: #111111;
  background: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

main {
  display: grid;
  place-items: center;
  min-height: 100vh;
  min-height: 100svh;
  padding: 2rem 1rem;
}

h1 {
  margin: 0;
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 500;
  line-height: 1.6;
  text-align: center;
}