:root {
  --ivory: #050506;
  --paper: #0b0c0f;
  --paper-deep: #111318;
  --charcoal: #000000;
  --ink: #e7e8ec;
  --muted: #9ba0aa;
  --burgundy: #7598c5;
  --burgundy-dark: #2b4160;
  --rule: #323640;
  --serif: "Yu Mincho", "Hiragino Mincho ProN", "Hiragino Mincho Pro", "Noto Serif JP", "Times New Roman", serif;
  --sans: "Yu Gothic", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  --measure: 43rem;
}

* { box-sizing: border-box; }

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 50% 12rem, rgba(117, 152, 197, .09), transparent 31rem),
    repeating-linear-gradient(90deg, transparent 0 63px, rgba(255,255,255,.018) 64px),
    var(--ivory);
  font-family: var(--sans);
  line-height: 1.9;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--burgundy-dark);
  text-decoration-color: rgba(129, 31, 47, .45);
  text-underline-offset: .2em;
  text-decoration-thickness: 1px;
}

a:hover,
a:focus-visible {
  color: var(--burgundy);
  text-decoration-color: currentColor;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--burgundy);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: .75rem;
  left: .75rem;
  padding: .55rem .8rem;
  color: var(--paper);
  background: var(--charcoal);
  transform: translateY(-180%);
}

.skip-link:focus { transform: none; }

.masthead {
  position: relative;
  z-index: 10;
  color: var(--paper);
  background: var(--charcoal);
  border-bottom: 1px solid var(--burgundy);
}

.masthead__top,
.masthead__nav,
.site-notice,
.footer__inner,
.breadcrumb,
.page-lead,
.reading-frame {
  width: min(100% - 2rem, 64rem);
  margin-inline: auto;
}

.masthead__top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.5rem 0 1.2rem;
}

.wordmark {
  display: inline-flex;
  flex-direction: column;
  color: var(--paper);
  font-family: Arial, Helvetica, var(--sans);
  font-size: clamp(1.35rem, 3vw, 2.2rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: .14em;
  text-transform: uppercase;
  text-decoration: none;
}

.wordmark span {
  margin-top: .55rem;
  color: #c8bfb0;
  font-family: var(--sans);
  font-size: .59rem;
  font-weight: 700;
  letter-spacing: .26em;
}

.edition {
  padding-left: 1rem;
  border-left: 1px solid #716b63;
  color: #c8bfb0;
  font-size: .66rem;
  line-height: 1.5;
  letter-spacing: .18em;
  text-align: right;
}

.edition strong {
  display: block;
  color: var(--paper);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1rem;
  font-weight: 400;
}

.masthead__nav {
  display: flex;
  overflow-x: auto;
  border-top: 1px solid #4c4944;
  scrollbar-width: thin;
}

.masthead__nav a {
  flex: 0 0 auto;
  padding: .8rem 1rem .75rem;
  color: #dcd5c9;
  border-right: 1px solid #4c4944;
  font-size: .67rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-decoration: none;
}

.masthead__nav a:first-child { border-left: 1px solid #4c4944; }
.masthead__nav a:hover,
.masthead__nav a:focus-visible,
.masthead__nav a[aria-current="page"] {
  color: #fff;
  background: var(--burgundy-dark);
}

.notice-wrap {
  padding: .8rem 0;
  color: var(--ink);
  background: var(--paper-deep);
  border-top: 1px solid var(--rule);
}

.site-notice {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .8rem;
  align-items: start;
  font-size: .73rem;
  line-height: 1.65;
}

.site-notice::before {
  content: "独立資料";
  padding: .08rem .45rem;
  color: var(--paper);
  background: var(--burgundy);
  font-size: .58rem;
  font-weight: 700;
  letter-spacing: .1em;
  white-space: nowrap;
}

.site-notice p { margin: 0; }
.site-notice__english { margin-top: .35rem !important; color: var(--muted); }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  padding: 1rem 0;
  color: var(--muted);
  border-bottom: 1px solid var(--rule);
  font-size: .68rem;
  letter-spacing: .07em;
}

.breadcrumb span:not(:last-child)::after {
  content: "/";
  margin-left: .45rem;
  color: var(--rule);
}

.page-lead {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(18rem, 7fr);
  min-height: 27rem;
  border-bottom: 1px solid var(--charcoal);
}

.page-lead--text-only {
  grid-template-columns: minmax(0, 8fr) minmax(14rem, 4fr);
  min-height: 24rem;
}

.page-lead__copy {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(3rem, 7vw, 7rem) clamp(1.5rem, 4vw, 4rem) clamp(2.5rem, 6vw, 5rem) 0;
}

.page-lead__copy::before {
  content: attr(data-index);
  position: absolute;
  top: 2rem;
  left: 0;
  color: rgba(117, 152, 197, .13);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(4.5rem, 11vw, 9rem);
  line-height: 1;
}

.eyebrow {
  position: relative;
  z-index: 1;
  margin: 0 0 1rem;
  color: var(--burgundy);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.45;
  text-wrap: pretty;
}

h1 {
  position: relative;
  z-index: 1;
  max-width: 13ch;
  margin: 0;
  font-size: clamp(2.1rem, 5.3vw, 4.9rem);
  letter-spacing: .025em;
}

.page-en h1 { max-width: 16ch; font-family: Georgia, "Times New Roman", serif; }

.lead-deck {
  max-width: 31rem;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: .96rem;
  line-height: 1.9;
}

.hero-figure {
  position: relative;
  min-height: 28rem;
  margin: 0;
  overflow: hidden;
  background: #050506;
  border-left: 1px solid var(--charcoal);
}

.hero-figure::after {
  content: "";
  position: absolute;
  inset: 1rem;
  border: 1px solid rgba(251, 248, 241, .45);
  pointer-events: none;
}

.hero-figure img {
  width: 100%;
  height: 100%;
  min-height: 30rem;
  object-fit: cover;
  filter: saturate(.58) contrast(1.08) brightness(.74);
}

.hero-figure figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  max-width: 80%;
  padding: .65rem .85rem;
  color: var(--paper);
  background: rgba(29, 28, 26, .9);
  font-size: .62rem;
  line-height: 1.5;
  letter-spacing: .04em;
}

.lead-rule {
  position: relative;
  min-height: 100%;
  overflow: hidden;
  border-left: 1px solid var(--charcoal);
  background:
    linear-gradient(135deg, transparent 0 47%, var(--burgundy) 47% 48%, transparent 48%),
    repeating-linear-gradient(90deg, transparent 0 2.6rem, rgba(255, 255, 255, .08) 2.6rem calc(2.6rem + 1px)),
    var(--paper-deep);
}

.lead-rule::before,
.lead-rule::after {
  content: "";
  position: absolute;
  border: 1px solid var(--burgundy);
  border-radius: 50%;
}

.lead-rule::before { width: 12rem; height: 12rem; top: 12%; left: 12%; }
.lead-rule::after { width: 4rem; height: 4rem; right: 15%; bottom: 16%; background: var(--burgundy); }

.reading-frame {
  display: grid;
  grid-template-columns: 13rem minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 7rem);
  padding-block: clamp(3rem, 8vw, 7rem);
}

.archive-rail {
  position: relative;
  align-self: stretch;
  padding-right: 1.5rem;
  border-right: 1px solid var(--rule);
  color: var(--muted);
  font-size: .69rem;
}

.archive-rail__sticky { position: sticky; top: 1.5rem; }

.archive-rail p { margin: 0 0 1.5rem; }
.archive-rail strong {
  display: block;
  margin-bottom: .35rem;
  color: var(--ink);
  font-size: .65rem;
  letter-spacing: .14em;
}

.archive-tabs {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--rule);
}

.archive-tabs li { border-bottom: 1px solid var(--rule); }
.archive-tabs a {
  display: block;
  padding: .7rem 0;
  color: var(--muted);
  text-decoration: none;
}
.archive-tabs a:hover,
.archive-tabs a:focus-visible { color: var(--burgundy); }

.article-copy {
  width: 100%;
  max-width: var(--measure);
  font-family: var(--serif);
  font-size: clamp(1rem, 1.7vw, 1.08rem);
}

.archive-transcript {
  margin: 2.5rem 0;
  padding: 1.5rem clamp(1rem, 3vw, 2rem);
  color: #dfe3ea;
  background: #08090c;
  border: 1px solid var(--rule);
  border-left: 3px solid var(--burgundy);
}

.archive-transcript > :last-child { margin-bottom: 0; }
.archive-transcript__label {
  margin-bottom: 1rem !important;
  color: var(--burgundy);
  font-family: var(--sans);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.legacy-menu {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 2rem 0;
  padding: 1px;
  background: var(--rule);
  list-style: none !important;
}

.legacy-menu li {
  padding: 1rem !important;
  border: 0 !important;
  background: var(--paper);
}

.legacy-menu li::before { display: none; }
.legacy-menu a { display: block; color: var(--ink); }

.article-copy > :first-child { margin-top: 0; }
.article-copy p { margin: 0 0 1.65rem; }

.article-copy h2 {
  position: relative;
  margin: 4.5rem 0 1.35rem;
  padding: .8rem 0 .65rem 2.4rem;
  border-top: 1px solid var(--charcoal);
  border-bottom: 1px solid var(--rule);
  font-size: clamp(1.35rem, 3vw, 2rem);
}

.article-copy h2::before {
  content: "";
  position: absolute;
  top: -.35rem;
  left: 0;
  width: 1.25rem;
  height: 1.25rem;
  background: var(--burgundy);
}

.article-copy ul,
.article-copy ol {
  margin: 1.7rem 0 2rem;
  padding: 0;
  list-style: none;
  counter-reset: archive-item;
}

.article-copy li {
  position: relative;
  padding: .85rem 0 .85rem 3.25rem;
  border-bottom: 1px solid var(--rule);
  counter-increment: archive-item;
}

.article-copy li:first-child { border-top: 1px solid var(--rule); }
.article-copy li::before {
  content: counter(archive-item, decimal-leading-zero);
  position: absolute;
  left: .25rem;
  color: var(--burgundy);
  font-family: Georgia, "Times New Roman", serif;
  font-size: .75rem;
  letter-spacing: .08em;
}

.page-en .article-copy { font-family: Georgia, "Times New Roman", serif; line-height: 1.75; }
.page-en .article-copy h2 { font-family: Georgia, "Times New Roman", serif; }

.reading-progress {
  position: fixed;
  z-index: 30;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--burgundy);
  pointer-events: none;
}

.site-footer {
  color: #d8d1c5;
  background: var(--charcoal);
  border-top: 1px solid var(--burgundy);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  padding: 2.5rem 0;
}

.footer__title {
  margin: 0 0 .75rem;
  color: #fff;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.2rem;
}

.footer__notice,
.footer__copyright {
  margin: 0;
  font-size: .72rem;
  line-height: 1.75;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  justify-content: flex-end;
  gap: .4rem 1rem;
}

.footer__nav a { color: #d8d1c5; font-size: .68rem; }

.page-404 .page-lead { min-height: 31rem; }
.page-404 .page-lead__copy { grid-column: 1 / -1; padding-right: 0; }
.page-404 h1 { max-width: none; font-size: clamp(4rem, 15vw, 11rem); }
.page-404 .lead-deck { font-size: 1.1rem; }
.back-home {
  display: inline-block;
  margin-top: 1rem;
  padding: .7rem 1.2rem;
  color: var(--paper);
  background: var(--burgundy);
  font-family: var(--sans);
  font-size: .75rem;
  letter-spacing: .12em;
  text-decoration: none;
}
.back-home:hover,
.back-home:focus-visible { color: #fff; background: var(--burgundy-dark); }

@media (max-width: 820px) {
  .page-lead,
  .page-lead--text-only { grid-template-columns: 1fr; }
  .page-lead__copy { padding-right: 0; min-height: 25rem; }
  .hero-figure,
  .hero-figure img { min-height: 22rem; }
  .hero-figure { border-top: 1px solid var(--charcoal); border-left: 0; }
  .lead-rule { min-height: 14rem; border-top: 1px solid var(--charcoal); border-left: 0; }
  .reading-frame { grid-template-columns: 1fr; gap: 2.5rem; }
  .archive-rail { padding: 0 0 1.5rem; border-right: 0; border-bottom: 1px solid var(--rule); }
  .archive-rail__sticky { position: static; }
  .archive-tabs { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .archive-tabs li { padding-right: .75rem; }
  .footer__inner { grid-template-columns: 1fr; }
  .footer__nav { justify-content: flex-start; }
  .legacy-menu { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 540px) {
  .masthead__top { align-items: flex-start; }
  .edition { display: none; }
  .site-notice { grid-template-columns: 1fr; gap: .4rem; }
  .site-notice::before { width: max-content; }
  .page-lead__copy { min-height: 22rem; }
  .hero-figure,
  .hero-figure img { min-height: 17rem; }
  .archive-tabs { grid-template-columns: 1fr 1fr; }
  .article-copy h2 { padding-left: 1.9rem; }
  .legacy-menu { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}