:root {
  --paper: #f4efe6;
  --paper-2: #ebe4d6;
  --paper-3: #e3dac8;
  --ink: #1b1714;
  --muted: #5e564c;
  --faint: #8a8174;
  --line: #d5ccbe;
  --line-strong: #1b1714;
  --garnet: #7c2e2a;
  --garnet-deep: #5c211e;
  --sapphire: #17344c;
  --gold: #8a6840;
  --emerald: #1d4534;
  --shadow: 0 24px 60px rgba(27, 23, 20, 0.08);
  --serif: "Fraunces", "Iowan Old Style", Palatino, "Palatino Linotype", Georgia, serif;
  --text: "Newsreader", "Iowan Old Style", Palatino, Georgia, "Segoe UI", "Nirmala UI", "Leelawadee UI", "Microsoft YaHei", "PingFang SC", "Yu Gothic", "Malgun Gothic", Arial, sans-serif;
  --sans: "Outfit", "Segoe UI", "Nirmala UI", "Leelawadee UI", "Microsoft YaHei", "PingFang SC", "Yu Gothic", "Malgun Gothic", Helvetica, Arial, sans-serif;
  --measure: 68ch;
  --header: 4.6rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html.lang-wait body { visibility: hidden; }
html[dir="rtl"] .lang-pick select { text-align: right; }
body {
  margin: 0;
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(138, 104, 64, 0.08), transparent 50%),
    var(--paper);
  color: var(--ink);
  font-family: var(--text);
  font-size: 1.125rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overflow-wrap: break-word;
}
img { max-width: 100%; display: block; }
a { color: var(--garnet); text-underline-offset: 0.18em; }
a:hover { color: var(--garnet-deep); }
button, input, select { font: inherit; color: inherit; }
:focus-visible {
  outline: 2px solid var(--garnet);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--ink);
  color: var(--paper);
  padding: 0.5rem 0.8rem;
  z-index: 50;
}
.skip:focus { top: 0.5rem; }

.notice {
  background: var(--sapphire);
  color: #f6f1e8;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-align: center;
  padding: 0.45rem 1rem;
}
.notice a { color: #f0d7a4; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 0.7rem 1.25rem;
  padding: 0.75rem 1.4rem;
  padding-top: max(0.75rem, env(safe-area-inset-top));
  background: rgba(244, 239, 230, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--ink);
  min-width: 0;
}
.brand-mark {
  width: 2.5rem;
  height: 2.5rem;
  flex: none;
  display: block;
  border-radius: 50%;
  overflow: hidden;
  background: #e6e0d6;
}
.brand-mark img {
  width: 146%;
  height: 146%;
  max-width: none;
  margin: -23% 0 0 -23%;
  object-fit: cover;
  display: block;
  animation: gem-spin 9s linear infinite;
}
@keyframes gem-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.brand strong {
  display: block;
  font-family: var(--serif);
  font-weight: 520;
  font-size: 1.45rem;
  letter-spacing: -0.02em;
  line-height: 1;
}
.brand em {
  display: block;
  margin-top: 0.22rem;
  font-family: var(--sans);
  font-style: normal;
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}
.lang-pick {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: 0.4rem;
  flex: none;
}
.lang-pick .lang-name {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}
.lang-pick select {
  appearance: none;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0.35rem 1.5rem 0.35rem 0.7rem;
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  max-width: 9.5rem;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%);
  background-position: calc(100% - 0.7rem) 55%, calc(100% - 0.45rem) 55%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}
html[dir="rtl"] .lang-pick select {
  padding: 0.35rem 0.7rem 0.35rem 1.5rem;
  background-position: 0.45rem 55%, 0.7rem 55%;
}
.nav-toggle {
  margin-left: auto;
  display: none;
  background: transparent;
  border: 1px solid var(--line-strong);
  padding: 0.35rem 0.7rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
#site-nav {
  display: flex;
  flex: 1 1 16rem;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.25rem 0.7rem;
  margin-left: auto;
  min-width: 0;
  align-items: center;
}
#site-nav a {
  font-family: var(--sans);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--ink);
  padding: 0.2rem 0;
  border-bottom: 1px solid transparent;
}
#site-nav a[aria-current="page"] { border-bottom-color: var(--garnet); color: var(--garnet); }
#site-nav a:hover { border-bottom-color: var(--ink); }

.sheet {
  display: grid;
  grid-template-columns: minmax(9rem, 14rem) minmax(0, 1fr);
  gap: 2rem;
  width: min(1180px, calc(100% - 2.4rem));
  margin: 0 auto;
  padding: 2.2rem 0 4rem;
}
.sheet > *,
.hero > *,
article,
article section,
.view {
  min-width: 0;
}
.rail {
  position: sticky;
  top: 5.5rem;
  align-self: start;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}
.rail p {
  margin: 0 0 0.8rem;
  color: var(--faint);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.68rem;
}
.rail ol { list-style: none; margin: 0; padding: 0; }
.rail li { margin: 0.35rem 0; }
.rail a { color: var(--muted); text-decoration: none; }
.rail a:hover { color: var(--ink); }
.trail {
  margin-top: 1.4rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  line-height: 1.4;
}

.kicker {
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 0.8rem;
}
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 560; letter-spacing: -0.03em; line-height: 1.08; }
h1 { font-size: clamp(2.7rem, 6vw, 5.4rem); margin: 0 0 1rem; }
h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); margin: 0 0 0.8rem; }
h3 { font-size: 1.45rem; margin: 1.6rem 0 0.4rem; }
.lede {
  font-size: 1.35rem;
  line-height: 1.45;
  width: 100%;
  max-width: none;
  margin: 0 0 1.2rem;
}
.prose,
.prose p,
.prose li,
article h1,
article h2,
article h3 {
  width: 100%;
  max-width: none;
}
.prose p, .prose li { margin: 0 0 1rem; }
.prose strong { font-weight: 560; }
article figure { margin: 1.2rem 0 1.6rem; width: 100%; max-width: none; }
article figure img {
  width: 100%;
  aspect-ratio: 1 / 1;
  height: auto;
  object-fit: cover;
  object-position: center;
  background: #2a241e;
}
article figure img[src*="ring-paris"] {
  object-position: center 72%;
}
.sheet article,
.sheet article > * {
  width: 100%;
  max-width: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 1.5rem 2rem;
  align-items: start;
  width: min(1180px, calc(100% - 2.4rem));
  margin: 1.2rem auto 0;
}
.hero-copy { padding-bottom: 0.4rem; }
.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.2rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 1.2rem;
}
.hero figure { margin: 0; }
.hero > figure img {
  width: 100%;
  aspect-ratio: 1 / 1;
  height: auto;
  max-height: none;
  object-fit: cover;
  object-position: center 38%;
  background: #2a241e;
}
.hero-copy figure { margin-top: 0.8rem; }
.hero-copy img {
  width: 100%;
  aspect-ratio: 16 / 10;
  height: auto;
  max-height: none;
  object-fit: cover;
  object-position: center 42%;
  background: #2a241e;
}

figure { margin: 1.4rem 0 1.8rem; }
figcaption {
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.45;
  margin-top: 0.55rem;
  max-width: none;
}
figcaption b { color: var(--ink); font-weight: 560; }

.pull {
  margin: 1.6rem 0;
  padding: 0.2rem 0 0.2rem 1.1rem;
  border-left: 2px solid var(--garnet);
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.55rem;
  line-height: 1.3;
  letter-spacing: -0.02em;
  max-width: none;
}

.section-no {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 0.45rem;
}

.split {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  margin: 1.2rem 0 0.4rem;
}
.card {
  background: rgba(255, 252, 247, 0.7);
  border: 1px solid var(--line);
  padding: 1rem 1rem 1.1rem;
  min-height: 100%;
}
.card.is-active { border-color: var(--ink); background: #fffaf3; }
.card h3 { margin: 0.2rem 0 0.55rem; font-size: 1.35rem; }
.card p { margin: 0; font-size: 1.02rem; }
.card .tag {
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}
.filters, .chips { display: flex; flex-wrap: wrap; gap: 0.45rem; margin: 0.8rem 0 1rem; }
.filters button, .chip, .text-btn {
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--line-strong);
  padding: 0.4rem 0.7rem;
  cursor: pointer;
}
.filters button[aria-pressed="true"], .chip[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
}
.text-btn { text-decoration: none; display: inline-block; color: var(--ink); }
.text-btn.solid { background: var(--garnet); border-color: var(--garnet); color: #fffaf3; }
.text-btn.solid:hover { background: var(--garnet-deep); color: white; }

.trio, .duo, .cities {
  display: grid;
  gap: 0.8rem;
}
.trio { grid-template-columns: 1.2fr 0.9fr 0.9fr; }
.duo { grid-template-columns: 1.1fr 0.9fr; }
.cities { grid-template-columns: repeat(3, 1fr); }
.trio img, .duo img, .cities img, .frame img {
  width: 100%;
  aspect-ratio: 1 / 1;
  height: auto;
  object-fit: cover;
  object-position: center;
  background: var(--paper-2);
}

.sheet.gallery-page {
  grid-template-columns: minmax(0, 1fr);
  width: min(1280px, calc(100% - 2rem));
}
.gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem 0.7rem;
  margin: 0 0 2rem;
}
.gallery figure { margin: 0; }
.gallery img,
.gallery .span-2 img,
.gallery img.fit,
.gallery img.fit.tall,
.gallery img.tall {
  width: 100%;
  aspect-ratio: 1 / 1;
  height: auto;
  max-height: none;
  object-fit: cover;
  object-position: center;
  background: #2a241e;
}
.gallery .span-2 { grid-column: span 2; }
.gallery .span-all { grid-column: 1 / -1; }
.gallery .span-all img { aspect-ratio: 16 / 10; }
.gallery img.fit {
  object-fit: contain;
  background: #efeae2;
}
.kinds {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.7rem 0.55rem;
  margin: 0 0 2rem;
}
.kinds figure { margin: 0; }
.kinds img,
.kinds img.fit {
  width: 100%;
  aspect-ratio: 1 / 1;
  height: auto;
  max-height: none;
  object-fit: cover;
  object-position: center;
  background: #2a241e;
}
.kinds img.fit {
  object-fit: contain;
  background: #efeae2;
}
.kinds figcaption { font-size: 0.74rem; }
.gallery figcaption { max-width: none; }
.gallery-label {
  margin: 0.4rem 0 0.9rem;
}
.caption-tight figcaption { margin-top: 0.4rem; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.98rem;
  margin: 1rem 0 0.4rem;
}
th, td {
  text-align: left;
  vertical-align: top;
  padding: 0.7rem 0.6rem;
  border-bottom: 1px solid var(--line);
}
th {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--muted);
}
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.table-wrap { overflow-x: auto; }

.callout {
  border: 1px solid var(--line-strong);
  padding: 1rem 1.1rem;
  margin: 1.2rem 0;
  background: rgba(255, 250, 243, 0.55);
}
.callout h3 { margin-top: 0; }
.callout.warn { border-color: var(--garnet); }

.route-box {
  display: grid;
  grid-template-columns: 16rem 1fr;
  gap: 1.2rem;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 1.2rem 0;
  margin-top: 0.6rem;
}
label { display: block; font-family: var(--sans); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 0.35rem; }
select, input[type="search"], input[type="text"], textarea {
  width: 100%;
  background: transparent;
  border: 1px solid var(--line-strong);
  padding: 0.55rem 0.6rem;
  margin-bottom: 0.8rem;
}
textarea { min-height: 7rem; resize: vertical; }
.route-list { margin: 0; padding: 0; list-style: none; }
.route-list li {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 0.8rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
}
.route-list a { font-family: var(--serif); font-size: 1.25rem; letter-spacing: -0.02em; text-decoration: none; }
.route-list span { font-family: var(--sans); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }

.chapters { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem; }
.chapter {
  display: block;
  text-decoration: none;
  color: var(--ink);
  border-top: 1px solid var(--ink);
  padding: 0.9rem 0 1rem;
}
.chapter small {
  font-family: var(--sans);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  font-size: 0.7rem;
}
.chapter strong { display: block; font-family: var(--serif); font-size: 1.45rem; font-weight: 560; margin: 0.25rem 0; }
.chapter em { font-style: normal; color: var(--muted); font-size: 1.02rem; }

.glossary-list { list-style: none; margin: 0; padding: 0; }
.glossary-list li { border-top: 1px solid var(--line); padding: 0.85rem 0; }
.glossary-list h3 { margin: 0 0 0.25rem; font-size: 1.25rem; }
.glossary-list p { margin: 0; max-width: none; }

.report {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  align-items: start;
}
.report-doc {
  background: #fffaf3;
  border: 1px solid var(--line);
  padding: 1rem;
  box-shadow: var(--shadow);
}
.report-doc header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 0.6rem;
  margin-bottom: 0.4rem;
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.field {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 0.65rem 0.1rem;
  cursor: pointer;
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 0.6rem;
}
.field:hover, .field.is-active { background: rgba(124, 46, 42, 0.06); }
.field b { font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 500; color: var(--muted); }
.explain { font-size: 1.05rem; }

details {
  border-top: 1px solid var(--line);
  padding: 0.7rem 0;
}
details:last-of-type { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-family: var(--serif); font-size: 1.25rem; letter-spacing: -0.02em; }
details p { max-width: none; }

.site-footer {
  border-top: 1px solid var(--ink);
  padding: 1.6rem 1.4rem 2.4rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.4rem;
  width: min(1180px, calc(100% - 2.4rem));
  margin: 0 auto;
  font-size: 0.98rem;
}
.site-footer strong { font-family: var(--serif); font-size: 1.3rem; font-weight: 560; }
.site-footer p { color: var(--muted); margin: 0.4rem 0 0; }
.site-footer a { font-family: var(--sans); font-size: 0.85rem; }
.foot-links { display: flex; flex-direction: column; gap: 0.3rem; }

.wide { max-width: none; }
.muted { color: var(--muted); }
.small { font-family: var(--sans); font-size: 0.78rem; letter-spacing: 0.04em; }

@media (max-width: 1180px) {
  .hero, .split, .trio, .duo, .chapters, .route-box, .report, .site-footer, .sheet {
    grid-template-columns: minmax(0, 1fr);
  }
  .sheet,
  .sheet.gallery-page,
  .hero {
    width: min(1180px, calc(100% - 1.5rem));
  }
  .site-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 0.45rem 0.55rem;
    padding: 0.6rem 0.85rem;
    padding-top: max(0.6rem, env(safe-area-inset-top));
  }
  .brand { min-width: 0; }
  .lang-pick { margin-left: 0; }
  .nav-toggle { margin-left: 0; }
  .lede,
  .prose,
  .prose p,
  .pull,
  figcaption,
  article,
  article h1,
  article h2,
  article figure {
    width: 100%;
    max-width: none;
  }
  .cities { grid-template-columns: 1fr 1fr; }
  .rail { position: static; width: 100%; }
  .rail ol {
    display: flex;
    gap: 0.8rem;
    overflow: auto;
    padding-bottom: 0.3rem;
  }
  .rail li { white-space: nowrap; }
  .hero > figure img,
  .hero-copy img,
  .trio img,
  .duo img {
    height: auto;
    max-height: none;
  }
  .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kinds { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .gallery .span-2 img { aspect-ratio: 16 / 10; }
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.45rem 0.9rem;
  }
  #site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 0.2rem 1.2rem 0.6rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    box-shadow: var(--shadow);
  }
  #site-nav.is-open { display: flex; }
  #site-nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--line);
    font-size: 1rem;
  }
  .field { grid-template-columns: 1fr; gap: 0.15rem; }
}

@media (max-width: 720px) {
  body { font-size: 1.05rem; }
  .hero,
  .sheet,
  .sheet.gallery-page,
  .site-footer {
    width: min(1180px, calc(100% - 1.25rem));
  }
  .hero { margin-top: 0.7rem; gap: 0.8rem; }
  .lede { font-size: 1.12rem; width: 100%; max-width: none; }
  .prose, .prose p { width: 100%; max-width: none; }
  .pull { font-size: 1.28rem; width: 100%; max-width: none; }
  h1 { font-size: clamp(2.05rem, 10vw, 3.2rem); }
  .lang-pick select { max-width: 7.8rem; }
  .gallery,
  .kinds,
  .cities,
  .chapters {
    grid-template-columns: 1fr 1fr;
  }
  .gallery { gap: 0.7rem; }
  .gallery .span-2 { grid-column: span 2; }
  .gallery img,
  .gallery .span-2 img,
  .gallery img.fit,
  .gallery img.fit.tall,
  .kinds img,
  .hero > figure img,
  .hero-copy img,
  .cities img,
  .trio img,
  .duo img {
    height: auto;
    min-height: 0;
    max-height: none;
  }
  .route-list li { grid-template-columns: 1fr; gap: 0.2rem; }
  .site-footer {
    padding-bottom: max(2rem, env(safe-area-inset-bottom));
  }
  table { font-size: 0.92rem; }
  th, td { padding: 0.55rem 0.35rem; }
  .card h3 { font-size: 1.2rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .brand-mark img { animation: none; }
}

.view[hidden]{display:none !important}