:root {
  --ink: #192d37;
  --muted: #5b6d75;
  --accent: #165d72;
  --line: #dfe7eb;
  --wash: #f2f7f9;
  --serif: "Yu Mincho", "Hiragino Mincho ProN", serif;
  --sans:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "Yu Gothic", Meiryo,
    sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font: 16px/1.8 var(--sans);
}
a {
  color: inherit;
  text-decoration: none;
}
a:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 5px;
}
button,
input,
select,
textarea {
  font: inherit;
}
button,
a,
input,
select,
textarea {
  touch-action: manipulation;
}
button {
  cursor: pointer;
}
img {
  max-width: 100%;
  height: auto;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1 {
  line-height: 1.5;
}
h2 {
  line-height: 1.55;
}
h3 {
  line-height: 1.65;
}
.container {
  max-width: 1160px;
  padding: 0 32px;
  margin: auto;
}
.skip {
  position: fixed;
  top: -80px;
  left: 12px;
  z-index: 20;
  background: #fff;
  padding: 12px;
}
.skip:focus {
  top: 8px;
}
.local-banner {
  background: #e7f1f5;
  color: #20546a;
  text-align: center;
  font-size: 13px;
  padding: 5px;
}
.site-header {
  border-bottom: 1px solid var(--line);
  background: white;
}
.header-inner {
  max-width: 1160px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px 22px;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.035em;
}
.brand small {
  display: block;
  font: 10px/1.8 var(--sans);
  letter-spacing: 0.16em;
  margin-top: 4px;
  color: var(--muted);
}
.header-inner nav {
  display: flex;
  gap: 28px;
  align-items: center;
  font-size: 14px;
}
.search-link {
  border-left: 1px solid var(--line);
  padding-left: 24px;
}
.search-link span {
  font-size: 24px;
  margin-left: 6px;
}
.category-nav {
  display: flex;
  gap: 32px;
  max-width: 1160px;
  margin: auto;
  padding: 14px 32px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}
.intro {
  padding: 62px 0 54px;
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 52px;
  align-items: center;
}
.eyebrow {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 700;
}
.intro h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(28px, 3vw, 39px);
  letter-spacing: 0.025em;
  margin: 16px 0 22px;
  line-height: 1.65;
}
.intro em {
  font-style: normal;
  color: var(--accent);
}
.lead {
  color: var(--muted);
  line-height: 2;
  font-size: 16px;
}
.text-link {
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
}
.editor-note {
  background: var(--wash);
  border-top: 3px solid var(--accent);
  padding: 24px;
}
.editor-note p {
  font: 600 24px/1.7 var(--serif);
  margin: 12px 0;
}
.editor-note ul {
  list-style: none;
  padding: 12px 0 0;
  margin: 0;
  border-top: 1px solid #d3dfe4;
  font-size: 14px;
  color: var(--muted);
}
.editor-note li {
  margin: 5px 0;
}
.editor-note li:before {
  content: "—";
  margin-right: 10px;
  color: #71909b;
}
.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid var(--ink);
  margin: 0 0 24px;
  gap: 16px;
  padding-bottom: 15px;
}
.section-heading h2 {
  font-size: 23px;
  margin: 0;
}
.section-heading small {
  font: 11px var(--sans);
  color: #71848c;
  letter-spacing: 0.16em;
  margin-left: 16px;
}
.section-heading > a {
  font-size: 14px;
  color: var(--muted);
}
.empty {
  padding: 30px 24px;
  background: var(--wash);
  border: 1px solid var(--line);
  border-radius: 3px;
}
.empty h3 {
  font-size: 18px;
  margin-bottom: 8px;
}
.empty p {
  font-size: 15px;
  color: var(--muted);
  margin: 0;
}
.topics {
  margin: 50px 0 70px;
}
.topic-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.topic {
  padding: 8px 24px;
  border-left: 1px solid var(--line);
}
.topic:first-child {
  padding-left: 0;
  border: 0;
}
.topic:last-child {
  padding-right: 0;
}
.topic-number {
  font: italic 28px var(--serif);
  color: #7897a3;
}
.topic h3 {
  font-size: 17px;
  margin: 14px 0 10px;
}
.topic p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.9;
}
.topic > a {
  display: block;
}
.topic > a:hover {
  text-decoration: none;
}
.topic > a:hover h3 {
  text-decoration: underline;
}
footer {
  background: #f5f8f9;
  border-top: 1px solid var(--line);
  padding: 38px 32px 20px;
}
.footer-inner {
  max-width: 1096px;
  margin: auto;
  display: flex;
  justify-content: space-between;
  gap: 32px;
}
.footer-brand {
  font: 600 21px var(--serif);
}
footer p {
  font-size: 13px;
  color: var(--muted);
  margin: 12px 0;
}
footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-content: start;
  max-width: 500px;
  font-size: 13px;
}
.copyright {
  max-width: 1096px;
  margin: 22px auto 0;
  font-size: 12px;
  color: #667780;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}
:focus-visible {
  outline: 3px solid #248aa7;
  outline-offset: 4px;
}
@media (max-width: 760px) {
  .container {
    padding: 0 20px;
  }
  .header-inner {
    padding: 19px 20px;
  }
  .brand {
    font-size: 21px;
  }
  .header-inner nav {
    gap: 14px;
  }
  .header-inner nav > a:first-child,
  .header-inner nav > a:nth-child(2) {
    display: none;
  }
  .search-link {
    padding-left: 14px;
  }
  .category-nav {
    padding: 12px 20px;
    gap: 10px 20px;
    flex-wrap: wrap;
    font-size: 13px;
  }
  .intro {
    padding: 36px 0;
    display: block;
  }
  .intro h1 {
    font-size: 28px;
    line-height: 1.75;
    margin-top: 12px;
  }
  .lead {
    font-size: 15px;
  }
  .editor-note {
    display: none;
  }
  .desktop {
    display: none;
  }
  .section-heading h2 {
    font-size: 20px;
  }
  .section-heading small {
    display: none;
  }
  .section-heading > a {
    font-size: 13px;
  }
  .topic-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px 0;
  }
  .topic {
    padding: 0 16px;
  }
  .topic:nth-child(3) {
    padding-left: 0;
    border: 0;
  }
  .topic:nth-child(even) {
    padding-right: 0;
  }
  .topics {
    margin: 36px 0 45px;
  }
  .footer-inner {
    display: block;
  }
  footer {
    padding: 30px 20px;
  }
  footer nav {
    margin-top: 20px;
  }
  .empty {
    padding: 24px 18px;
  }
}