:root {
  --paper: #f3f0e8;
  --card: #fffcf7;
  --ink: #1c1916;
  --muted: #5e584f;
  --line: #d9d2c5;
  --accent: #8f3d22;
  --accent-soft: #f3e4dc;
  --focus: #1c1916;
  color: var(--ink);
  background: var(--paper);
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
}

button, input, textarea {
  font: inherit;
  color: inherit;
}

button { cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.bar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px 28px;
  background: rgba(243, 240, 232, 0.94);
  border-bottom: 1px solid var(--line);
}

.brand {
  color: inherit;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 0.86rem;
}

.brand-sub {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.bar-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang {
  display: flex;
  border: 1px solid var(--line);
  background: var(--card);
}

.lang button {
  border: 0;
  background: transparent;
  padding: 6px 10px;
}

.lang button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
}

.inquiry-btn, .solid, .ghost, .texty {
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  padding: 8px 12px;
}

.ghost, .texty {
  background: transparent;
  color: var(--ink);
}

.texty {
  border-color: transparent;
  padding-inline: 6px;
}

.inquiry-btn span, .count-pill {
  display: inline-block;
  min-width: 1.4em;
  margin-left: 6px;
  text-align: center;
  background: var(--accent);
  color: white;
  font-size: 0.8rem;
}

main {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 28px 0 64px;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: 28px;
  align-items: start;
  margin-bottom: 28px;
}

h1 {
  margin: 0 0 12px;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, "Songti SC", "Noto Serif CJK SC", "Noto Sans CJK SC", serif;
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.lead {
  margin: 0;
  max-width: 40rem;
  font-size: 1.05rem;
}

.joint {
  margin: 0;
  background: var(--card);
  border: 1px solid var(--line);
  padding: 12px 12px 14px;
}

.joint-layout {
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: 8px;
  align-items: center;
}

.joint svg {
  width: 100%;
  height: auto;
  display: block;
}

.joint g { cursor: pointer; }

.joint g.is-on rect,
.joint g.is-on circle,
.joint g.is-on ellipse,
.joint g.is-on path {
  stroke: var(--accent);
}

.joint g.is-on rect,
.joint g.is-on circle,
.joint g.is-on ellipse {
  fill: var(--accent-soft);
}

.legend {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.legend button {
  text-align: left;
  border: 1px solid transparent;
  background: transparent;
  padding: 6px 8px;
}

.legend button[aria-pressed="true"],
.legend button:hover {
  border-color: var(--line);
  background: var(--accent-soft);
}

.figure-cap {
  margin: 8px 4px 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.workspace {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 22px;
}

.filters h2 {
  margin: 16px 0 8px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 650;
}

.filters h2:first-child { margin-top: 0; }

.chip-col, .chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  border: 1px solid var(--line);
  background: var(--card);
  padding: 5px 9px;
}

.chip[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
}

.search {
  flex: 1;
  border: 1px solid var(--line);
  background: var(--card);
  padding: 10px 12px;
}

.result-line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 12px;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 12px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 100%;
}

.kicker {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

.card h2, .sheet h2 {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 650;
  letter-spacing: 0;
  font-family: inherit;
}

.card p { margin: 0; }

.card-actions, .sheet-actions, .form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: auto;
}

.check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.92rem;
}

.empty {
  border: 1px dashed var(--line);
  padding: 28px 16px;
  color: var(--muted);
}

.compare {
  margin-top: 28px;
}

.compare h2 {
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, "Songti SC", "Noto Serif CJK SC", "Noto Sans CJK SC", serif;
  font-weight: 500;
  font-size: 1.8rem;
  margin: 0 0 6px;
}

.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  font-size: 0.94rem;
}

th, td {
  border: 1px solid var(--line);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}

th { background: #ebe6dc; }

.site-foot {
  border-top: 1px solid var(--line);
  padding: 22px 28px 36px;
  color: var(--muted);
  display: grid;
  gap: 4px;
}

.site-foot a { color: inherit; }

.site-foot strong { color: var(--ink); font-weight: 650; }

dialog {
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  width: min(860px, calc(100vw - 24px));
  padding: 0;
  max-height: calc(100vh - 24px);
}

dialog::backdrop { background: rgba(28, 25, 22, 0.45); }

.sheet { padding: 18px; }

.sheet h3 {
  margin: 16px 0 6px;
  font-size: 0.95rem;
}

.sheet header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 12px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 16px;
}

.mark {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 10px;
}

.mark svg { width: 100%; height: auto; }

.blurb { margin: 0 0 12px; }

.note {
  margin: 12px 0;
  padding: 10px 12px;
  background: var(--accent-soft);
}

.asks { margin: 8px 0 0; padding-left: 1.1rem; }

.inquiry-list { list-style: none; margin: 0 0 14px; padding: 0; display: grid; gap: 8px; }

.inquiry-list li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  padding: 8px 10px;
}

form.inquiry-form { display: grid; gap: 8px; }

label.field { display: grid; gap: 4px; font-size: 0.92rem; }

input, textarea {
  border: 1px solid var(--line);
  background: var(--card);
  padding: 8px 10px;
}

.draft {
  width: 100%;
  min-height: 140px;
  margin-top: 8px;
}

.status { min-height: 1.4em; color: var(--muted); margin: 8px 0 0; }

.hint { color: var(--muted); margin: 0 0 10px; }

@media (max-width: 860px) {
  .bar { padding: 12px 14px; flex-wrap: wrap; }
  .brand-sub { display: none; }
  main { width: min(100% - 24px, 1180px); }
  .intro, .workspace, .detail-grid { grid-template-columns: 1fr; }
  .joint-layout { grid-template-columns: 132px minmax(0, 1fr); }
  .legend button { font-size: 0.86rem; padding: 4px 6px; }
  .filters { display: grid; gap: 4px; }
}