/* =========================================================
 * MECA LP Mockup — Base tokens & reset
 * Tone-specific tokens.css override these per-tone.
 * ========================================================= */

:root {
  /* Japanese font stacks (macOS-biased; Chromium falls back gracefully) */
  --font-sans-ja: "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic Medium", "Meiryo", sans-serif;
  --font-serif-ja: "Hiragino Mincho ProN", "Noto Serif JP", "Yu Mincho", serif;
  --font-round-ja: "Hiragino Maru Gothic ProN", "Yu Gothic UI", "Noto Sans JP", sans-serif;
  --font-latin-serif: Georgia, "Hiragino Mincho ProN", serif;
  --font-latin-sans: "Helvetica Neue", Arial, sans-serif;

  /* Page rhythm (tones override) */
  --page-max: 1280px;
  --page-gutter: 64px;
  --section-pad-y: 120px;

  /* Placeholder marker */
  --placeholder-amber: #B9893E;
  --placeholder-amber-soft: rgba(185, 137, 62, 0.12);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans-ja);
  color: var(--text, #1a1a1a);
  background: var(--bg, #ffffff);
  line-height: 1.85;
  font-size: 16px;
  font-feature-settings: "palt" 1;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; border: none; cursor: pointer; background: none; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0 0 1em; }
figure { margin: 0; }
hr { border: none; }

/* --- Shared layout primitives --- */
.container {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-gutter);
}
.section {
  padding: var(--section-pad-y) 0;
  position: relative;
}
.section--alt {
  background: var(--bg-alt, #f8f5ef);
}

/* --- Placeholder marker (shared across all tones) --- */
.ph {
  position: relative;
  padding-left: 12px;
  display: inline-block;
  color: var(--placeholder-amber);
  background: var(--placeholder-amber-soft);
  border-left: 2px solid var(--placeholder-amber);
  padding: 2px 8px 2px 10px;
  font-size: 0.95em;
  border-radius: 2px;
  font-weight: 500;
}
.ph--block {
  display: block;
  padding: 12px 14px;
  margin: 10px 0;
  line-height: 1.6;
}

/* --- Placeholder ledger (collapsible) --- */
.ledger {
  background: #faf7f1;
  border: 1px solid #e8dfc9;
  border-radius: 6px;
  padding: 0;
  margin-top: 48px;
  overflow: hidden;
}
.ledger > summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 26px;
  display: flex;
  align-items: center;
  gap: 14px;
  background: #f3e9d0;
  border-bottom: 1px solid #e8dfc9;
}
.ledger > summary::-webkit-details-marker { display: none; }
.ledger > summary::before {
  content: "";
  width: 8px; height: 8px;
  border-right: 2px solid var(--placeholder-amber);
  border-bottom: 2px solid var(--placeholder-amber);
  transform: rotate(45deg);
  margin-top: -4px;
  transition: transform 0.18s ease;
}
.ledger[open] > summary::before { transform: rotate(-135deg); margin-top: 2px; }
.ledger__title {
  font-size: 14px;
  font-weight: 700;
  margin: 0;
  color: var(--placeholder-amber);
  letter-spacing: 0.1em;
}
.ledger__body {
  padding: 22px 26px 24px;
}
.ledger__intro {
  font-size: 12.5px;
  color: #6b5a3a;
  margin: 0 0 16px;
  line-height: 1.7;
}
.ledger__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}
.ledger__table th {
  text-align: left;
  font-weight: 600;
  color: #8a7544;
  padding: 6px 10px;
  border-bottom: 1px solid #d8c999;
  letter-spacing: 0.08em;
  font-size: 10.5px;
  text-transform: uppercase;
}
.ledger__table td {
  padding: 7px 10px;
  border-bottom: 1px solid #ece0c3;
  vertical-align: top;
}
.ledger__table tr:last-child td { border-bottom: none; }
.ledger__table td:first-child {
  width: 22%;
  color: #7a6634;
  font-weight: 500;
  white-space: nowrap;
}

/* --- Shared header / nav --- */
.site-header {
  position: relative;
  padding: 24px 0;
  border-bottom: 1px solid var(--rule, rgba(0,0,0,0.06));
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-serif-ja);
}
.brand__mark {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary, #0A3E7A);
  color: #fff;
  border-radius: 50%;
  font-family: var(--font-serif-ja);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.02em;
}
.brand__name {
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.08em;
  line-height: 1.4;
}
.brand__name small {
  display: block;
  font-family: var(--font-sans-ja);
  font-weight: 400;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--muted, #6b6b6b);
  margin-top: 4px;
}
.nav {
  display: flex;
  gap: 26px;
  font-size: 13px;
  color: var(--muted, #6b6b6b);
  letter-spacing: 0.06em;
}
.nav a:hover { color: var(--primary, #0A3E7A); }

/* --- CTA button --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  background: var(--primary, #0A3E7A);
  color: #fff;
  border-radius: var(--btn-radius, 2px);
  transition: background 0.2s;
}
.btn--secondary {
  background: transparent;
  color: var(--primary, #0A3E7A);
  border: 1px solid var(--primary, #0A3E7A);
}
.btn--accent {
  background: var(--accent, #8A6A3A);
  color: #fff;
}
.btn svg { width: 16px; height: 16px; }

/* --- Common section heading scaffolding --- */
.kicker {
  display: inline-block;
  font-family: var(--font-latin-sans);
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--accent, #8A6A3A);
  font-weight: 600;
  margin-bottom: 14px;
}
.section-number {
  font-family: var(--font-latin-serif);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--muted, #6b6b6b);
  font-style: italic;
}
.h-section {
  font-family: var(--font-serif-ja);
  font-weight: 700;
  font-size: 40px;
  line-height: 1.35;
  margin: 0 0 28px;
  letter-spacing: 0.02em;
  color: var(--heading, #0A1A33);
}
.lead {
  font-size: 17px;
  line-height: 2.0;
  color: var(--text, #1a1a1a);
  max-width: 680px;
  margin: 0 0 32px;
}

/* Subtle divider rule */
.rule {
  height: 1px;
  background: var(--rule, rgba(0,0,0,0.08));
  width: 48px;
  margin: 16px 0 20px;
}
.rule--accent { background: var(--accent, #8A6A3A); }

/* Footer shared */
.site-footer {
  padding: 80px 0 40px;
  background: var(--footer-bg, #0A1A33);
  color: var(--footer-fg, #d3d9e4);
  font-size: 13.5px;
  line-height: 1.9;
}
.site-footer a { color: var(--footer-fg, #d3d9e4); }
.site-footer a:hover { color: #fff; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 56px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-grid h4 {
  color: #fff;
  font-family: var(--font-serif-ja);
  font-size: 14px;
  letter-spacing: 0.1em;
  margin: 0 0 16px;
  font-weight: 700;
}
.footer-bottom {
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 12px;
  color: rgba(255,255,255,0.5);
}
.footer-legal { display: flex; gap: 18px; flex-wrap: wrap; }

/* Tier card shared scaffolding */
.tier-card {
  padding: 32px 28px;
  background: #fff;
  border: 1px solid var(--rule, rgba(0,0,0,0.08));
  border-radius: var(--card-radius, 4px);
}
.tier-card__name {
  font-family: var(--font-serif-ja);
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--heading, #0A1A33);
}
.tier-card__price {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary, #0A3E7A);
  margin: 0 0 4px;
}
.tier-card__target {
  font-size: 12.5px;
  color: var(--muted, #6b6b6b);
  margin: 0 0 18px;
  letter-spacing: 0.03em;
}
.tier-card ul {
  padding-left: 0;
  font-size: 13.5px;
  line-height: 1.85;
}
.tier-card ul li {
  padding-left: 18px;
  position: relative;
  margin-bottom: 4px;
}
.tier-card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 10px;
  height: 1.5px;
  background: var(--accent, #8A6A3A);
}

/* News list shared */
.news-list {
  border-top: 1px solid var(--rule, rgba(0,0,0,0.08));
}
.news-item {
  display: grid;
  grid-template-columns: 110px 110px 1fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule, rgba(0,0,0,0.08));
  align-items: baseline;
}
.news-item__date {
  font-family: var(--font-latin-serif);
  font-size: 13px;
  color: var(--muted, #6b6b6b);
  letter-spacing: 0.05em;
}
.news-item__cat {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--accent, #8A6A3A);
  font-weight: 600;
  border: 1px solid var(--accent, #8A6A3A);
  padding: 4px 10px;
  justify-self: start;
  border-radius: 2px;
}
.news-item__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--heading, #0A1A33);
  margin-bottom: 3px;
}
.news-item__excerpt {
  font-size: 13px;
  color: var(--muted, #6b6b6b);
  line-height: 1.75;
  margin: 0;
}

/* Competency & offering cards */
.offer-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.offer-card {
  padding: 24px 22px;
  background: var(--card-bg, #f8f5ef);
  border-radius: var(--card-radius, 4px);
}
.offer-card__label {
  font-family: var(--font-serif-ja);
  font-size: 15px;
  font-weight: 700;
  color: var(--heading, #0A1A33);
  margin: 0 0 8px;
}
.offer-card__desc {
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--muted, #555);
  margin: 0;
}

/* Palette card page (for style-card renders) */
.palette-page {
  padding: 80px;
  background: var(--bg, #fff);
  min-height: 100vh;
}
.palette-swatches {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 30px;
}
.swatch {
  padding: 26px 20px;
  border-radius: 4px;
  border: 1px solid rgba(0,0,0,0.08);
}
.swatch__name {
  font-size: 12px;
  letter-spacing: 0.12em;
  font-weight: 600;
  margin-bottom: 14px;
}
.swatch__box {
  height: 90px;
  border-radius: 2px;
  margin-bottom: 14px;
}
.swatch__hex {
  font-family: var(--font-latin-sans);
  font-size: 13px;
  letter-spacing: 0.08em;
}

/* Print hints */
@media print {
  .section { break-inside: avoid-page; }
}

/* =========================================================
 * Mobile (<=640px) — stack grids, shrink hero, relax gutters.
 * Applies to all tones unless overridden.
 * ========================================================= */
@media (max-width: 640px) {
  :root {
    --page-gutter: 16px;
    --section-pad-y: 64px;
  }
  body { font-size: 15px; line-height: 1.8; }
  .nav { display: none; }
  .site-header__inner { gap: 12px; }
  .brand__name { font-size: 13px; }
  .brand__name small { font-size: 9.5px; }

  .hero { padding: 64px 0 72px !important; }
  .hero__grid { grid-template-columns: 1fr !important; gap: 40px !important; }
  .hero__headline { font-size: 34px !important; line-height: 1.4 !important; }
  .hero__headline span:first-child { font-size: 34px !important; }
  .hero__headline span:nth-child(2) { font-size: 30px !important; }
  .hero__lead { font-size: 15px !important; }
  .hero__cta { flex-wrap: wrap; gap: 10px !important; }
  .hero__cta .btn { padding: 13px 20px; font-size: 12.5px; }
  .hero__visual { aspect-ratio: 4/5 !important; max-width: 380px; margin: 0 auto; }

  .sec-head { grid-template-columns: 1fr !important; gap: 18px !important; margin-bottom: 36px !important; }
  .sec-head__num { font-size: 40px !important; padding-top: 16px; border-top: 1.5px solid currentColor; }
  .sec-head__title { font-size: 26px !important; line-height: 1.5 !important; }
  .sec-head__lead { font-size: 14.5px !important; }

  .greeting { grid-template-columns: 1fr !important; gap: 30px !important; margin-left: 0 !important; padding: 0 !important; }
  .greeting__portrait { width: 180px; margin: 0 auto; }

  .whatis__definition { font-size: 17px !important; margin-left: 0 !important; padding: 22px 24px !important; }
  .whatis__definition::before { font-size: 80px; left: -10px; top: -20px; }

  .comp-grid { grid-template-columns: 1fr !important; gap: 10px !important; }
  .comp-grid > .comp-card:nth-child(n) { grid-column: auto !important; border-top: none !important; }
  .comp-card { padding: 22px 20px !important; min-height: 0 !important; border-right: none !important; border-bottom: 1px solid var(--rule, rgba(0,0,0,0.08)) !important; }
  .comp-card__label { font-size: 15px !important; }
  .comp-card__desc { font-size: 12.5px !important; }

  .issue-list { margin-left: 0 !important; padding: 22px 0 !important; }
  .issue-list ul { grid-template-columns: 1fr !important; columns: 1 !important; gap: 6px !important; }
  .issue-list li { font-size: 13px !important; }

  .distinction { margin-left: 0 !important; font-size: 13px !important; }

  .training__grid { grid-template-columns: 1fr !important; gap: 24px !important; padding-left: 0 !important; margin-left: 0 !important; }
  .training__features { grid-template-columns: 1fr !important; }
  .training__summary { padding: 28px 22px !important; }
  .training__info { padding: 28px 24px !important; }

  .hospital__offerings { grid-template-columns: 1fr !important; border-right: none !important; }
  .hospital__offer { padding: 20px 18px !important; border-right: none !important; border-bottom: 1px solid rgba(255,255,255,0.12) !important; }
  .hospital__intro { margin-left: 0 !important; font-size: 15px !important; }
  .hospital__cta-row { grid-template-columns: 1fr !important; padding-left: 0 !important; text-align: left; }

  .sponsor__tiers, .members__tiers { grid-template-columns: 1fr !important; gap: 12px !important; }
  .sponsor-tier, .member-tier { padding: 26px 22px !important; }

  .news-item { grid-template-columns: 90px 1fr !important; grid-template-rows: auto auto; gap: 10px 18px !important; }
  .news-item__cat { grid-column: 2; justify-self: start; }
  .news-item > div:last-child { grid-column: 1 / -1; }

  .ledger { padding: 22px 20px !important; }
  .ledger__table { font-size: 12px !important; }
  .ledger__table td:first-child { width: 35% !important; }

  .footer-grid { grid-template-columns: 1fr !important; gap: 32px !important; }
  .footer-bottom { flex-direction: column; align-items: flex-start !important; }
  .footer-legal { gap: 10px !important; }
}