:root {
  --page-background: #f8f8f6;
  color: #1f2428;
  background: var(--page-background);
  font-family: Inter, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

h1 {
  margin: 0;
  color: #050505;
  font-size: clamp(44px, 4.1vw, 64px);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: 0;
}

a {
  display: inline-block;
  color: var(--link-color, inherit);
  text-underline-offset: 5px;
  border-radius: 2px;
  box-shadow: 0 0 0 6px transparent;
  transition:
    color 0.6s ease,
    background-color 0.6s ease,
    box-shadow 0.6s ease;
}

@media (hover: hover) {
  a:hover {
    color: #174f65;
    background-color: #cce5ec;
    box-shadow: 0 0 0 6px #cce5ec;
  }
}

a:focus-visible {
  color: #256b86;
  outline: 2px solid #256b86;
  outline-offset: 5px;
}

@media (prefers-reduced-motion: reduce) {
  a {
    transition: none;
  }
}

@media (max-width: 760px) {
  h1 {
    font-size: 42px;
  }
}