/* BUREAU */

:root {
  --color: #407a5f;
  --measure: 800px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: #fff;
  color: var(--color);
  font-family: Arial, sans-serif;
  font-size: 1.25rem;
  line-height: 167%;
}

[lang="ja"] {
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Yu Gothic", "Meiryo", Arial, sans-serif;
}

.prose-page section + section {
  margin-top: 3em;
}

a {
  color: var(--color);
}

:focus-visible {
  outline: 1px solid var(--color);
  outline-offset: 2px;
}

header {
  padding: 1em 2rem 0;
}

.back-link {
  color: var(--color);
  text-decoration: none;
}

.back-link:hover {
  text-decoration: underline;
}

.prose-page {
  padding: 1rem 6rem 2rem 2rem;
}

.prose-page p {
  max-width: var(--measure);
  margin: 0 0 1.5em;
}

.prose-page p:last-child {
  margin-bottom: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.prose-page em {
  font-style: italic;
}

@media screen and (max-width: 768px) {
  header {
    padding: 1em 1.5rem 0;
  }

  .prose-page {
    padding: 1rem 1.5rem 2rem;
  }
}