:root {
  color-scheme: light;
  --page: #f6f7f4;
  --paper: #ffffff;
  --ink: #25332f;
  --secondary: #526456;
  --forest: #244c3e;
  --border: #dce3d8;
  --tint: #edf3e8;
  font-family: Inter, 'Segoe UI', 'Microsoft YaHei', system-ui, sans-serif;
  color: var(--ink);
  background: var(--page);
  font-synthesis: none;
  line-height: 1.75;
}
* {
  box-sizing: border-box;
}
html {
  scroll-padding-top: 24px;
}
body {
  margin: 0;
}
a {
  color: var(--forest);
  text-underline-offset: 4px;
}
a:hover {
  text-decoration-thickness: 2px;
}
a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--forest);
  outline-offset: 5px;
  border-radius: 3px;
}
.skip-link {
  position: absolute;
  top: -80px;
  left: 24px;
  padding: 12px 18px;
  background: var(--paper);
  z-index: 2;
}
.skip-link:focus {
  top: 12px;
}
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--paper);
}
.header-inner {
  max-width: 1120px;
  padding: 20px 32px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-size: 20px;
  font-weight: 700;
}
.brand img {
  width: 32px;
  height: 32px;
}
.header-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.header-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 4px 8px;
  font-size: 14px;
}
.header-links a[aria-current='page'] {
  font-weight: 700;
}
.document {
  max-width: 1120px;
  margin: 0 auto;
  padding: 56px 32px 72px;
}
.document-heading {
  padding-bottom: 32px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
h1 {
  font-size: clamp(32px, 4vw, 44px);
  line-height: 1.25;
  letter-spacing: -1px;
  margin: 0 0 16px;
}
.document-lead {
  max-width: 44em;
  margin: 0 0 20px;
  font-size: 17px;
  color: var(--secondary);
}
.document-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  font-size: 13px;
  color: var(--secondary);
}
.document-body {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}
.contents {
  position: sticky;
  top: 24px;
}
.contents-title {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 700;
  color: var(--secondary);
}
.contents nav {
  display: flex;
  flex-direction: column;
}
.contents a {
  display: block;
  padding: 9px 0;
  min-height: 44px;
  color: var(--secondary);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}
.contents a:hover {
  color: var(--forest);
  text-decoration: underline;
}
.article {
  min-width: 0;
  max-width: 46em;
}
.notice {
  padding: 20px 24px;
  background: var(--tint);
  border-left: 3px solid var(--forest);
  border-radius: 0 8px 8px 0;
  margin: 0 0 36px;
}
.notice p {
  margin: 0;
}
.notice p + p {
  margin-top: 8px;
}
.article section {
  margin: 0 0 36px;
}
.article h2 {
  font-size: 21px;
  line-height: 1.45;
  margin: 0 0 14px;
}
.article h3 {
  font-size: 17px;
  line-height: 1.5;
  margin: 20px 0 8px;
}
.article p {
  margin: 0 0 14px;
  overflow-wrap: anywhere;
}
.article ul {
  padding-left: 22px;
  margin: 0 0 16px;
}
.article li {
  padding-left: 4px;
  margin-bottom: 8px;
}
.article strong {
  font-weight: 650;
}
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin: 18px 0;
}
table {
  border-collapse: collapse;
  width: 100%;
  font-size: 14px;
  text-align: left;
}
caption {
  padding: 12px 16px;
  text-align: left;
}
th,
td {
  padding: 14px 16px;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
  overflow-wrap: anywhere;
}
th {
  background: var(--tint);
  font-weight: 650;
}
th:first-child,
td:first-child {
  width: 28%;
  min-width: 120px;
}
tr:last-child td {
  border-bottom: 0;
}
.contact {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
}
.contact p:last-child {
  margin-bottom: 0;
}
.site-footer {
  padding: 24px 32px;
  border-top: 1px solid var(--border);
  color: var(--secondary);
  font-size: 14px;
}
.footer-inner {
  max-width: 1056px;
  margin: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.footer-inner nav {
  display: flex;
  gap: 20px;
}
.footer-inner a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
@media (max-width: 800px) {
  .document {
    padding: 36px 24px 48px;
  }
  .document-body {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .contents {
    position: static;
  }
  .contents nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 24px;
  }
  .document-heading {
    margin-bottom: 24px;
    padding-bottom: 24px;
  }
}
@media (max-width: 480px) {
  .header-inner {
    padding: 16px 20px;
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
  .header-links {
    gap: 4px 12px;
  }
  .header-links a {
    padding: 4px 0;
  }
  .document {
    padding: 32px 20px 40px;
  }
  .contents nav {
    gap: 0 16px;
  }
  .notice {
    padding: 18px;
  }
  .contact {
    padding: 20px;
  }
  th,
  td {
    padding: 12px;
  }
  .site-footer {
    padding: 20px;
  }
}
@media print {
  :root {
    background: #fff;
    color: #000;
    font-size: 11pt;
  }
  .site-header,
  .contents,
  .site-footer,
  .skip-link {
    display: none;
  }
  .document {
    padding: 0;
    max-width: none;
  }
  .document-body {
    display: block;
  }
  .article {
    max-width: none;
  }
  h2,
  h3 {
    break-after: avoid;
  }
  .notice,
  .contact {
    background: transparent;
  }
  a {
    color: inherit;
  }
}
