@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@500;700;900&family=Noto+Serif+JP:wght@600;700&display=swap');

:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --bg-subtle: #f4f7f9;
  --bg-elevated: #ffffff;
  --text: #10161d;
  --text-muted: #57616b;
  --text-faint: #8a939c;
  --border: #e3e8ec;

  --blue: #1a56c4;
  --teal: #0ea89c;
  --coral: #ff6f4f;
  --amber: #ffb238;
  --purple: #8b5cf6;

  --accent: var(--blue);
  --accent-ink: #163e8f;
  --accent-soft: rgba(26, 86, 196, 0.08);

  --shadow: 0 2px 6px rgba(16, 22, 29, 0.05), 0 12px 32px rgba(16, 22, 29, 0.07);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --maxw: 1080px;
  --sans: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Segoe UI", sans-serif;
  --serif: "Noto Serif JP", "Hiragino Mincho ProN", serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1117;
    --bg-subtle: #151a21;
    --bg-elevated: #171c24;
    --text: #edf1f5;
    --text-muted: #a2acb8;
    --text-faint: #6b7480;
    --border: #262c35;
    --blue: #5b8fef;
    --teal: #3fd0c2;
    --coral: #ff8a6e;
    --amber: #ffc861;
    --purple: #a988ff;
    --accent-ink: #bcd3ff;
    --accent-soft: rgba(91, 143, 239, 0.14);
    --shadow: 0 2px 6px rgba(0, 0, 0, 0.35), 0 14px 36px rgba(0, 0, 0, 0.45);
  }
}
:root[data-theme="dark"] {
  --bg: #0d1117;
  --bg-subtle: #151a21;
  --bg-elevated: #171c24;
  --text: #edf1f5;
  --text-muted: #a2acb8;
  --text-faint: #6b7480;
  --border: #262c35;
  --blue: #5b8fef;
  --teal: #3fd0c2;
  --coral: #ff8a6e;
  --amber: #ffc861;
  --purple: #a988ff;
  --accent-ink: #bcd3ff;
  --accent-soft: rgba(91, 143, 239, 0.14);
  --shadow: 0 2px 6px rgba(0, 0, 0, 0.35), 0 14px 36px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  /* 句読点(、。)の字間を周囲の文字に合わせて詰める。太字の大見出しで
     句読点だけ浮いて見える(ノイズになる)問題への対処 */
  font-feature-settings: "palt" 1;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Nav (2段) --- */
.utility-bar {
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-faint);
}
.utility-bar .wrap { display: flex; align-items: center; height: 34px; letter-spacing: 0.02em; }

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  font-weight: 900;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  color: var(--text);
}
.brand .brand-dot { color: var(--coral); }
.nav-links { display: flex; align-items: center; gap: 26px; font-size: 0.92rem; font-weight: 500; color: var(--text-muted); }
.nav-links a { transition: color .15s ease; border-bottom: 2px solid transparent; padding-bottom: 4px; }
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); border-color: var(--coral); }
.lang-switch {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-faint);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 12px !important;
}
.lang-switch:hover { color: var(--text) !important; border-color: var(--text-faint); }
.nav-cta {
  background: var(--blue);
  color: #fff;
  padding: 9px 20px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.86rem;
  transition: transform .15s ease, box-shadow .15s ease;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: var(--shadow); color: #fff; }

/* --- Hamburger (mobile nav) --- */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span { display: block; width: 100%; height: 2px; background: var(--text); border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 760px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 102px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 8px 24px 20px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .15s ease, transform .15s ease;
  }
  .nav-links.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav-links a { width: 100%; padding: 12px 0; border-bottom: 1px solid var(--border); }
  .nav-cta { margin-top: 12px; text-align: center; justify-content: center; }
}

/* --- Category tiles (home) --- */
.category-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 760px) { .category-grid { grid-template-columns: repeat(2, 1fr); } }
.category-tile {
  background: var(--bg-elevated);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  transition: border-color .15s ease, transform .15s ease;
}
.category-tile:hover { border-color: var(--tile-color, var(--blue)); transform: translateY(-2px); }
.category-tile .swatch { width: 26px; height: 26px; border-radius: 8px; background: var(--tile-color, var(--blue)); margin-bottom: 14px; }
.category-tile h3 { font-size: 1.02rem; font-weight: 800; margin: 0 0 4px; }
.category-tile .count { font-size: 0.82rem; color: var(--text-faint); }

/* --- Hero (home) --- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 64px 0 72px;
  border-bottom: 1px solid var(--border);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 1;
}
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; } }

.blob-field {
  position: absolute;
  inset: -10% -10% auto -10%;
  height: 130%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--kicker-color, var(--accent-ink));
  background: color-mix(in srgb, var(--kicker-color, var(--blue)) 10%, transparent);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
  letter-spacing: 0.02em;
}
.kicker .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--kicker-color, var(--coral)); }

h1.display {
  font-weight: 900;
  font-size: clamp(2.1rem, 4.6vw, 3.1rem);
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin: 0 0 22px;
  color: var(--text);
}
h1.display .accent-line { color: var(--blue); }

.lede {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 46ch;
  margin: 0 0 30px;
  line-height: 1.85;
}
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 700;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease, background .15s ease;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-ghost { border: 1.5px solid var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }

/* --- Hero visual (circle graphic replacing photography) --- */
.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; }
.hero-circle {
  width: min(100%, 380px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-circle svg { width: 78%; height: 78%; }

.stat-capsule {
  position: absolute;
  bottom: -6%;
  left: -8%;
  background: var(--blue);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 14px 20px;
  box-shadow: var(--shadow);
  text-align: center;
  min-width: 132px;
}
.stat-capsule .label { font-size: 0.72rem; opacity: 0.85; margin-bottom: 2px; }
.stat-capsule .num { font-size: 1.9rem; font-weight: 900; line-height: 1; font-variant-numeric: tabular-nums; }
.stat-capsule .unit { font-size: 0.78rem; opacity: 0.85; margin-left: 2px; }

/* --- Fact strip --- */
.fact-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 40px;
  position: relative;
  z-index: 1;
}
.fact { background: var(--bg-elevated); padding: 20px 22px; }
.fact .num { font-size: 1.5rem; font-weight: 900; }
.fact .label { font-size: 0.82rem; color: var(--text-muted); margin-top: 4px; }

/* --- Section --- */
.section { padding: 64px 0; }
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 30px;
  gap: 16px;
  flex-wrap: wrap;
}
.section-head h2 {
  font-weight: 900;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
  margin: 0;
}
.section-head .more { font-size: 0.86rem; font-weight: 700; color: var(--blue); }

/* --- Category filter chips --- */
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.83rem;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1.5px solid var(--border);
  color: var(--text-muted);
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}
.chip:hover, .chip.active { border-color: var(--chip-color, var(--blue)); color: var(--text); background: color-mix(in srgb, var(--chip-color, var(--blue)) 8%, transparent); }
.chip .swatch { width: 7px; height: 7px; border-radius: 50%; background: var(--chip-color, var(--blue)); }

/* --- Post list --- */
.post-list { display: flex; flex-direction: column; }
.post-row {
  display: flex;
  align-items: baseline;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
  transition: opacity .15s ease;
}
.post-row:hover { opacity: 0.7; }
.post-row .date { flex: 0 0 auto; font-size: 0.82rem; color: var(--text-faint); width: 7.5em; font-weight: 500; }
.post-row .body { flex: 1 1 auto; min-width: 0; }
.post-row h3 { font-size: 1.1rem; font-weight: 700; margin: 0 0 6px; line-height: 1.5; }
.post-row p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.cat-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--cat-color, var(--blue));
  margin-bottom: 8px;
}
.cat-badge .swatch { width: 6px; height: 6px; border-radius: 50%; background: var(--cat-color, var(--blue)); }

.empty {
  padding: 48px 0;
  color: var(--text-faint);
  font-size: 0.92rem;
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-md);
  text-align: center;
}

/* --- Footer --- */
.footer { border-top: 1px solid var(--border); padding: 36px 0; margin-top: 20px; }
.footer .wrap {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  font-size: 0.82rem; color: var(--text-faint);
}

/* --- Article page --- */
.article-header { padding: 56px 0 36px; border-bottom: 1px solid var(--border); }
.back-link { display: inline-flex; align-items: center; gap: 6px; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 26px; }
.back-link:hover { color: var(--text); }
.article-header h1 { font-weight: 800; font-size: clamp(1.7rem, 3.6vw, 2.3rem); line-height: 1.4; margin: 0 0 16px; max-width: 24ch; }
.article-header .meta { color: var(--text-faint); font-size: 0.86rem; }
.article-body { max-width: 680px; padding: 44px 24px 88px; margin: 0 auto; font-size: 1.02rem; }
.article-body h2 { font-weight: 800; font-size: 1.25rem; margin: 40px 0 14px; }
.article-body p { margin: 0 0 20px; color: var(--text); }
.article-body p.lead { font-size: 1.08rem; color: var(--text-muted); }
.article-body ul { margin: 0 0 20px; padding-left: 1.3em; color: var(--text); }
.article-body li { margin-bottom: 8px; }
.article-body blockquote {
  margin: 26px 0; padding: 2px 0 2px 18px; border-left: 3px solid var(--blue); color: var(--text-muted); font-style: italic;
}
.math-block {
  display: block;
  overflow-x: auto;
  margin: 8px 0 24px;
  padding: 18px 20px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--text);
}
.math-inline {
  display: inline-block;
  color: inherit;
}
.article-body .math-block .katex-display { margin: 0; }
.logo-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 8px 0 20px;
}
.logo-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  min-width: 120px;
}
.article-body .logo-item img { width: auto; height: 44px; max-width: 120px; object-fit: contain; margin: 0; border: none; }
.logo-item span { font-size: 0.76rem; color: var(--text-faint); }
.image-credit {
  font-size: 0.76rem;
  color: var(--text-faint);
  margin: -12px 0 24px;
}
.image-credit a { text-decoration: underline; }

/* --- Article: large illustrative photos (distinct from small .logo-row icons) --- */
.photo-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 8px 0 20px;
}
@media (max-width: 640px) { .photo-row { grid-template-columns: 1fr; } }
.photo-row-item {
  margin: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.photo-row-item img { width: 100%; height: 240px; object-fit: cover; display: block; margin: 0; border: none; border-radius: 0; }
.photo-row-item.is-logo img { object-fit: contain; background: var(--bg-subtle); padding: 28px; }
.photo-row-item span { display: block; padding: 10px 14px; font-size: 0.8rem; color: var(--text-muted); }

/* --- Article: research facility map --- */
.research-map-frame {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  margin: 8px 0 20px;
}
.research-map { height: 420px; border-radius: var(--radius-md); }
.research-map .leaflet-popup-content { font-size: 0.86rem; line-height: 1.5; }
.map-legend { display: flex; flex-wrap: wrap; gap: 12px 18px; margin-top: 14px; font-size: 0.82rem; color: var(--text-muted); }
.map-legend-item { display: flex; align-items: center; gap: 6px; }
.map-legend-swatch { width: 11px; height: 11px; border-radius: 50%; display: inline-block; flex: none; }
.map-caption { margin-top: 10px; font-size: 0.78rem; color: var(--text-faint); }
.research-cluster-icon div {
  width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-family: var(--sans); font-size: 12px; font-weight: 700;
  border: 2px solid #fff; box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
/* .article-body img (below) adds border/margin/radius to all article images, which
   breaks Leaflet's absolutely-positioned tile grid (tiles get pushed apart by the
   margin and gain visible seams from the border). Reset it for anything Leaflet renders. */
.article-body .leaflet-container img { border: none; border-radius: 0; margin: 0; }

.article-body img {
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  margin: 8px 0 4px;
}
.table-wrap { overflow-x: auto; margin: 8px 0 24px; border: 1px solid var(--border); border-radius: var(--radius-md); }
.article-body table { width: 100%; min-width: 460px; table-layout: fixed; border-collapse: collapse; font-size: 0.9rem; }
.article-body th, .article-body td { padding: 11px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); line-height: 1.5; overflow-wrap: break-word; word-break: break-word; }
.article-body th:not(:first-child), .article-body td:not(:first-child) { border-left: 1px solid var(--border); }
.article-body thead th { background: var(--bg-elevated); font-weight: 700; color: var(--text); }
.article-body tbody tr:nth-child(even) { background: var(--bg-subtle); }
.article-body tbody tr:last-child td { border-bottom: none; }
.article-body code {
  background: var(--bg-subtle); border: 1px solid var(--border); border-radius: 5px; padding: 2px 6px; font-size: 0.87em;
}

/* --- Tags --- */
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--border); }
.tag-pill {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 13px;
  transition: color .15s ease, border-color .15s ease;
}
.tag-pill:hover { color: var(--blue); border-color: var(--blue); }

/* --- Architecture diagram --- */
.diagram-frame {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  overflow-x: auto;
}
.arch-svg { width: 100%; height: auto; display: block; min-width: 620px; }
.diagram-caption { margin-top: 14px; font-size: 0.82rem; color: var(--text-faint); }

.boundary { fill: none; stroke: var(--border); stroke-width: 1.5; stroke-dasharray: 4 5; }
.boundary-label { fill: var(--text-faint); font-family: var(--sans); font-size: 13px; letter-spacing: 0.04em; }
.node { fill: var(--bg-subtle); stroke: var(--border); stroke-width: 1.3; }
.node-edge { fill: none; stroke: var(--text-faint); stroke-width: 1.2; stroke-dasharray: 3 4; }
.node-accent { fill: var(--accent-soft); stroke: var(--blue); stroke-width: 1.6; }
.node-outline { fill: none; stroke: var(--border); stroke-width: 1.3; }
.node-sub { fill: var(--bg-elevated); stroke: var(--border); stroke-width: 1.2; }
.node-text { fill: var(--text); font-family: var(--sans); font-size: 15px; font-weight: 500; }
.node-text-accent { fill: var(--accent-ink); font-weight: 700; }
.band-label { fill: var(--text-faint); font-family: var(--sans); font-size: 12px; letter-spacing: 0.06em; font-weight: 700; }
.flow { stroke: var(--text-faint); stroke-width: 1.6; fill: none; }
.arrow-head { fill: var(--text-faint); }

/* --- Project: photos --- */
.photo-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (max-width: 760px) { .photo-grid { grid-template-columns: 1fr; } }
.photo-item {
  margin: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.photo-item img { width: 100%; height: 260px; object-fit: cover; display: block; }
.photo-item figcaption {
  padding: 12px 16px;
  font-size: 0.84rem;
  color: var(--text-muted);
}

/* --- Project: stack --- */
.stack-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
@media (max-width: 760px) { .stack-grid { grid-template-columns: 1fr; } }
.stack-group {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
}
.stack-group h3 { font-size: 0.86rem; font-weight: 800; color: var(--text-faint); margin: 0 0 12px; text-transform: uppercase; letter-spacing: 0.04em; }
.stack-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.stack-pill {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 13px;
}

/* --- Project: outcomes --- */
.outcomes { display: flex; flex-direction: column; gap: 16px; }
.outcome-item { display: flex; gap: 14px; align-items: flex-start; }
.outcome-check {
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--outcome-color, var(--blue));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
  margin-top: 2px;
}
.outcome-item p { margin: 0; color: var(--text); font-size: 0.98rem; line-height: 1.7; }

/* --- Roadmap --- */
.roadmap { display: flex; flex-direction: column; }
.phase { display: flex; gap: 28px; padding: 26px 0; border-bottom: 1px solid var(--border); }
.phase:last-child { border-bottom: none; }
.phase-id { font-size: 1.7rem; font-weight: 900; color: var(--phase-color, var(--text-faint)); flex: 0 0 56px; }
.phase-period { font-size: 0.76rem; font-weight: 700; color: var(--phase-color, var(--accent-ink)); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px; }
.phase-body h3 { font-size: 1.12rem; font-weight: 800; margin: 0 0 8px; }
.phase-body p { color: var(--text-muted); margin: 0; font-size: 0.92rem; }

/* --- About page --- */
.about-body { max-width: 640px; padding: 56px 24px 88px; margin: 0 auto; font-size: 1.02rem; }
.about-body h1 { font-weight: 900; font-size: clamp(1.8rem, 3.6vw, 2.4rem); margin: 0 0 24px; }
.about-body p { margin: 0 0 20px; color: var(--text); }