:root {
  --paper: #ffffff;
  --ink: #191817;
  --muted: #555e66;
  --line: #d9dde3;
  --surface: #f6f7f8;
  --accent: #a9312f;
  --focus: #14615f;
  color: var(--ink);
  background: var(--paper);
  font-family: "Hiragino Sans", "Yu Gothic", "Noto Sans JP", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.75;
}

a {
  color: inherit;
}

a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.site-header,
.site-footer {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.96);
}

.site-header {
  border-bottom: 1px solid var(--line);
}

.site-footer {
  border-top: 1px solid var(--line);
}

.site-shell,
.site-main {
  width: min(1040px, calc(100% - 28px));
  margin: 0 auto;
}

.site-shell {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  flex-direction: column;
  padding: 14px 0;
}

.site-brand a,
.site-nav a,
.site-nav-disabled,
.text-link {
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.site-brand {
  font-weight: 800;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  font-size: 14px;
}

.site-nav-disabled {
  color: var(--muted);
}

.site-main {
  padding: 38px 0 58px;
}

.page-heading {
  display: grid;
  gap: 14px;
  max-width: 760px;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

h1 {
  font-size: 34px;
  line-height: 1.1;
  letter-spacing: 0;
}

h2 {
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: 0;
}

h3 {
  font-size: 17px;
  line-height: 1.45;
  letter-spacing: 0;
}

h4 {
  font-size: 15px;
  line-height: 1.45;
  letter-spacing: 0;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
  overflow-wrap: anywhere;
}

.page-heading p,
.text-section p,
.site-footer p {
  color: var(--muted);
}

.section-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 36px;
}

.section-grid article {
  min-width: 0;
  min-height: 150px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
}

.section-grid p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.text-section {
  display: grid;
  gap: 12px;
  max-width: 760px;
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.timeline-page {
  margin-top: 34px;
}

.timeline-nav {
  display: grid;
  gap: 14px;
  padding: 16px 0 24px;
  border-bottom: 1px solid var(--line);
}

.timeline-nav-group {
  display: grid;
  align-content: start;
  gap: 8px;
  min-width: 0;
}

.timeline-nav-group p {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.timeline-pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.timeline-summary {
  display: flex;
  justify-content: flex-end;
  padding: 18px 0 8px;
  color: var(--muted);
  font-size: 13px;
}

.timeline-year {
  padding-top: 26px;
}

.timeline-year + .timeline-year {
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

.timeline-year-heading {
  display: flex;
  gap: 4px;
  align-items: flex-start;
  flex-direction: column;
}

.timeline-year-heading h2 {
  font-size: 26px;
}

.timeline-year-heading p {
  color: var(--muted);
  font-size: 13px;
}

.timeline-list,
.member-link-list {
  padding: 0;
  list-style: none;
}

.timeline-list {
  display: grid;
  margin: 16px 0 0;
  border-top: 1px solid var(--line);
}

.timeline-row {
  border-bottom: 1px solid var(--line);
}

.timeline-row article {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding: 16px 0;
}

.timeline-row-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
}

.timeline-row-meta time {
  color: var(--ink);
  font-weight: 800;
}

.timeline-row-meta span {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 8px;
  background: var(--surface);
}

.timeline-row p {
  color: var(--muted);
  overflow-wrap: anywhere;
}

.timeline-pill-list a {
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 5px 10px;
  text-decoration: none;
}

.timeline-pill-list a.is-current {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.member-link-list {
  display: grid;
  gap: 10px;
  margin: 0;
}

.member-link-list li {
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
}

.page-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.members-page,
.catalog-page {
  margin-top: 34px;
}

.member-grid,
.member-period-list,
.catalog-grid,
.plain-list {
  padding: 0;
  margin: 0;
  list-style: none;
}

.member-grid,
.member-period-list,
.catalog-grid,
.plain-list {
  display: grid;
  gap: 12px;
}

.member-grid {
  align-items: start;
  gap: 10px;
}

.member-period-list {
  gap: 6px;
}

.member-card,
.catalog-card {
  display: grid;
  gap: 14px;
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
}

.member-card h2 {
  margin: 0;
  font-size: 20px;
}

.member-card {
  gap: 10px;
  padding: 12px;
}

.catalog-summary,
.muted-text {
  color: var(--muted);
  font-size: 13px;
}

.member-card-facts,
.catalog-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--line);
}

.member-card-facts div,
.catalog-facts div {
  min-width: 0;
  padding: 12px;
  background: var(--paper);
}

.member-card-facts dd,
.catalog-facts dd {
  margin: 4px 0 0;
  overflow-wrap: anywhere;
}

.member-card-facts {
  font-size: 13px;
}

.member-card-facts div {
  padding: 8px 10px;
}

.member-card-facts dd {
  margin-top: 2px;
}

.member-card-section,
.catalog-card-section {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.member-card-section h3 {
  font-size: 15px;
}

.member-card-section {
  gap: 6px;
  padding-top: 8px;
}

.member-period-list li,
.plain-list li {
  min-width: 0;
  overflow-wrap: anywhere;
}

.member-period-range {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 13px;
}

.site-footer .site-shell {
  font-size: 13px;
}

@media (min-width: 721px) {
  .site-shell {
    align-items: center;
    flex-direction: row;
    gap: 20px;
    justify-content: space-between;
    padding: 0;
  }

  .site-main {
    padding: 54px 0 72px;
  }

  h1 {
    font-size: 44px;
  }

  .section-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .timeline-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .timeline-year-heading {
    align-items: baseline;
    flex-direction: row;
    gap: 16px;
    justify-content: space-between;
  }

  .member-card-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .member-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .member-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}