/* =========================================================
   Crypto Compass — Editorial Fintech Media
   Quiet Confidence. No Inter. No gradients.
   ========================================================= */

:root {
  /* base */
  --navy: #0B1A2F;
  --slate: #1B2A41;
  --off-white: #F7F8FA;
  --paper-edge: #E6E8EE;

  /* text */
  --ink: #0B1A2F;
  --ink-on-dark: #F7F8FA;
  --muted: #5B6479;
  --muted-on-dark: #9AA3B5;

  /* accents (combined ≤ 10%) */
  --cyan: #06B6D4;
  --emerald: #10B981;
  --amber: #F59E0B;

  /* type stacks */
  --serif-jp: "Shippori Mincho B1", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans-jp: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Yu Gothic", system-ui, sans-serif;
  --serif: "Source Serif 4", "Source Serif Pro", Georgia, serif;
  --sans: "IBM Plex Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* layout */
  --max: 1320px;
  --gutter: 24px;
  --rule: 1px solid var(--paper-edge);
  --rule-dark: 1px solid #2A3B58;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--off-white);
  color: var(--ink);
  font-family: var(--sans-jp);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: .01em;
  font-feature-settings: "palt" 1;
  word-break: keep-all;
  line-break: strict;
  overflow-wrap: anywhere;
}

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

a {
  color: inherit;
  text-decoration: none;
  position: relative;
}

/* Link underline-from-left for inline links */
.inline-link,
a.lnk {
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size .35s ease;
  padding-bottom: 2px;
}
.inline-link:hover,
a.lnk:hover { background-size: 100% 1px; }

/* Focus */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* ---------- Top utility bar ---------- */
.utility-bar {
  border-bottom: var(--rule);
  background: var(--off-white);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
  text-transform: uppercase;
}
.utility-bar .inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 8px var(--gutter);
  display: flex;
  justify-content: space-between;
  gap: 24px;
}
.utility-bar .pulse {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--emerald);
  display: inline-block;
  margin-right: 8px;
  vertical-align: middle;
  box-shadow: 0 0 0 0 rgba(16,185,129,.5);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(16,185,129,.4); }
  70% { box-shadow: 0 0 0 8px rgba(16,185,129,0); }
  100% { box-shadow: 0 0 0 0 rgba(16,185,129,0); }
}

/* ---------- Masthead ---------- */
.masthead {
  border-bottom: 1px solid var(--ink);
  background: var(--off-white);
}
.masthead .inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px var(--gutter) 22px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: end;
  gap: 24px;
}
.masthead .left,
.masthead .right {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}
.masthead .right { text-align: right; }
.masthead .logo {
  font-family: var(--serif-jp);
  font-weight: 600;
  font-size: clamp(28px, 3.4vw, 40px);
  letter-spacing: .02em;
  line-height: 1;
  color: var(--ink);
}
.masthead .logo .en {
  display: block;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 12px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 8px;
}

/* ---------- Primary nav ---------- */
.primary-nav {
  border-bottom: var(--rule);
  background: var(--off-white);
  position: sticky;
  top: 0;
  z-index: 30;
}
.primary-nav .inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: 24px;
}
.primary-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0;
}
.primary-nav li a {
  display: flex;
  align-items: center;
  padding: 14px 18px;
  font-family: var(--sans-jp);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--ink);
  border-bottom: 2px solid transparent;
  transition: border-color .2s ease, color .2s ease;
}
.primary-nav li a:hover { color: var(--cyan); }
.primary-nav li a[aria-current="page"] {
  border-bottom-color: var(--ink);
  font-weight: 500;
}
.primary-nav .search {
  display: flex; align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
  text-transform: uppercase;
}
.primary-nav .search::before {
  content: "";
  width: 12px; height: 12px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  margin-right: 8px;
  position: relative;
}

/* ---------- Ticker tape ---------- */
.ticker {
  border-bottom: var(--rule);
  background: var(--navy);
  color: var(--ink-on-dark);
  overflow: hidden;
  position: relative;
}
.ticker-track {
  display: flex;
  gap: 48px;
  padding: 10px 0;
  white-space: nowrap;
  animation: ticker 60s linear infinite;
  width: max-content;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
}
.ticker-item { display: inline-flex; gap: 10px; align-items: baseline; }
.ticker-item .sym { color: var(--ink-on-dark); font-weight: 500; }
.ticker-item .price { color: var(--muted-on-dark); }
.ticker-item .chg.up { color: var(--emerald); }
.ticker-item .chg.dn { color: var(--amber); }
.ticker-item .chg::before { content: ""; display: inline-block; width: 0; height: 0; border-left: 4px solid transparent; border-right: 4px solid transparent; margin-right: 4px; vertical-align: 2px; }
.ticker-item .chg.up::before { border-bottom: 5px solid var(--emerald); }
.ticker-item .chg.dn::before { border-top: 5px solid var(--amber); }
@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px var(--gutter) 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
.breadcrumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.breadcrumbs li + li::before { content: "/"; margin-right: 8px; color: var(--paper-edge); }
.breadcrumbs a:hover { color: var(--cyan); }

/* ---------- Layout primitives ---------- */
.container { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.rule { border: 0; border-top: var(--rule); margin: 0; }
.rule-dark { border: 0; border-top: var(--rule-dark); margin: 0; }
.rule-ink { border: 0; border-top: 1px solid var(--ink); margin: 0; }

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}
.eyebrow .dot {
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--cyan);
  margin-right: 8px;
  vertical-align: 2px;
}

.section-label {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 28px 0 18px;
  border-bottom: 1px solid var(--ink);
  margin-bottom: 36px;
}
.section-label .num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
}
.section-label h2 {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(22px, 2.2vw, 30px);
  margin: 0;
  letter-spacing: .02em;
}
.section-label .meta {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
  text-transform: uppercase;
}

/* ---------- Hero ---------- */
.hero {
  padding: 56px 0 72px;
  border-bottom: var(--rule);
}
.hero-grid {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 56px;
}
.hero-eyebrow {
  display: flex; align-items: center; gap: 20px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: 28px;
  border-bottom: var(--rule);
  margin-bottom: 36px;
}
.hero h1 {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(40px, 6.4vw, 84px);
  line-height: 1.18;
  letter-spacing: .02em;
  margin: 0 0 36px;
  color: var(--ink);
}
.hero h1 .accent { color: var(--cyan); }
.hero .lede {
  max-width: 32em;
  font-size: 17px;
  line-height: 1.9;
  color: var(--slate);
  margin: 0 0 36px;
}
.hero .cta-row {
  display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 32px;
}
.hero .byline {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: .08em;
  border-top: var(--rule);
  padding-top: 18px;
  max-width: 32em;
}

.hero-figures {
  border-left: 1px solid var(--ink);
  padding-left: 32px;
}
.hero-figures h2 {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 18px;
  margin: 0 0 22px;
  letter-spacing: .04em;
}
.hero-figures ol {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 22px;
}
.hero-figures li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 14px;
  padding-bottom: 22px;
  border-bottom: var(--rule);
}
.hero-figures li:last-child { border-bottom: 0; }
.hero-figures .idx {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  padding-top: 8px;
  letter-spacing: .12em;
}
.hero-figures .num {
  display: block;
  font-family: var(--mono);
  font-weight: 500;
  font-size: 32px;
  letter-spacing: -.01em;
  color: var(--ink);
  line-height: 1.1;
}
.hero-figures .num .unit {
  font-size: 13px;
  color: var(--muted);
  margin-left: 4px;
  font-weight: 400;
}
.hero-figures .label {
  display: block;
  font-family: var(--sans-jp);
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
  margin-top: 4px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  font-family: var(--sans-jp);
  font-size: 14px;
  letter-spacing: .04em;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--ink-on-dark);
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover { background: transparent; color: var(--ink); }
.btn::after {
  content: "→";
  font-family: var(--mono);
}
.btn.ghost {
  background: transparent;
  color: var(--ink);
}
.btn.ghost:hover { background: var(--ink); color: var(--ink-on-dark); }

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 4px;
}
.btn-link::after { content: "→"; }
.btn-link:hover { color: var(--cyan); border-bottom-color: var(--cyan); }

/* ---------- Editor's note ---------- */
.editor-note {
  background: var(--off-white);
  border-bottom: var(--rule);
  padding: 64px 0;
}
.editor-note .grid {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 56px;
}
.editor-note .meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
  text-transform: uppercase;
}
.editor-note .meta .sig {
  margin-top: 18px;
  font-family: var(--serif-jp);
  font-style: italic;
  font-size: 18px;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink);
}
.editor-note p {
  font-family: var(--serif-jp);
  font-size: 22px;
  line-height: 1.85;
  margin: 0 0 18px;
  letter-spacing: .02em;
  max-width: 28em;
  color: var(--ink);
}
.editor-note p:first-of-type::first-letter {
  font-family: var(--serif-jp);
  font-size: 4.2em;
  float: left;
  line-height: .92;
  padding-right: 12px;
  margin-top: 6px;
  color: var(--ink);
}

/* ---------- Exchange strip ---------- */
.exchange-strip { padding: 56px 0; border-bottom: var(--rule); }
.exchange-strip .row {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.exch-list {
  list-style: none; padding: 0; margin: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--ink);
}
.exch-list li {
  border-right: var(--rule);
  padding: 24px 20px 28px;
}
.exch-list li:last-child { border-right: 0; }
.exch-list .num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  color: var(--muted);
}
.exch-list .name {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 22px;
  margin: 8px 0 14px;
  color: var(--ink);
  letter-spacing: .02em;
}
.exch-list .meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  display: grid;
  gap: 4px;
  margin-bottom: 18px;
}
.exch-list .meta .k { color: var(--muted); }
.exch-list .meta .v { color: var(--ink); }
.exch-list .row-kv { display: flex; justify-content: space-between; gap: 10px; padding: 4px 0; border-bottom: var(--rule); }
.exch-list .row-kv:last-of-type { border-bottom: 0; }

/* ---------- Three questions block ---------- */
.questions {
  background: var(--navy);
  color: var(--ink-on-dark);
  padding: 80px 0;
}
.questions .grid {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 56px;
}
.questions h2 {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 32px;
  line-height: 1.4;
  margin: 0;
  color: var(--ink-on-dark);
}
.questions .eyebrow { color: var(--muted-on-dark); margin-bottom: 18px; }
.questions ol {
  list-style: none; padding: 0; margin: 0;
  border-top: 1px solid #2A3B58;
}
.questions ol li {
  border-bottom: 1px solid #2A3B58;
  padding: 28px 0;
  display: grid;
  grid-template-columns: 56px 1fr 24px;
  gap: 18px;
  align-items: baseline;
  transition: padding-left .25s ease;
}
.questions ol li:hover { padding-left: 8px; }
.questions ol li .q-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: .12em;
}
.questions ol li .q-body {
  font-family: var(--serif-jp);
  font-size: 22px;
  line-height: 1.5;
  color: var(--ink-on-dark);
}
.questions ol li .q-body small {
  display: block;
  font-family: var(--sans-jp);
  font-size: 13px;
  color: var(--muted-on-dark);
  margin-top: 8px;
}
.questions ol li .q-arrow {
  font-family: var(--mono);
  color: var(--cyan);
  font-size: 18px;
  text-align: right;
}

/* ---------- Coins grid ---------- */
.coins-section { padding: 80px 0; border-bottom: var(--rule); }
.coins-section .row {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.coin-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 0;
  border-top: 1px solid var(--ink);
  border-left: var(--rule);
}
.coin-card {
  grid-column: span 3;
  border-right: var(--rule);
  border-bottom: var(--rule);
  padding: 28px 22px;
  display: grid;
  gap: 14px;
  background: var(--off-white);
  position: relative;
  transition: background .25s ease;
}
.coin-card:hover { background: #fff; }
.coin-card.feature { grid-column: span 6; padding: 36px 28px; }
.coin-card .ticker {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 48px;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--ink);
  background: transparent;
  border: 0;
  padding: 0;
  display: block;
  overflow: visible;
}
.coin-card.feature .ticker { font-size: 84px; }
.coin-card .ja {
  font-family: var(--serif-jp);
  font-size: 17px;
  color: var(--ink);
  letter-spacing: .04em;
}
.coin-card .desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
  max-width: 24em;
}
.coin-card .kv {
  border-top: var(--rule);
  padding-top: 14px;
  display: grid;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
}
.coin-card .kv .row { display: flex; justify-content: space-between; }
.coin-card .kv .v { color: var(--ink); }
.coin-card .more {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--ink);
  text-transform: uppercase;
  border-top: var(--rule);
  padding-top: 14px;
}
.coin-card .more::after { content: " →"; color: var(--cyan); }

/* ---------- Editor's Picks ---------- */
.picks { padding: 80px 0; border-bottom: var(--rule); background: #fff; }
.picks .row { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.picks-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--ink); }
.picks-list li {
  display: grid;
  grid-template-columns: 80px 1fr 1fr 180px;
  gap: 32px;
  align-items: baseline;
  padding: 28px 0;
  border-bottom: var(--rule);
  transition: background .25s ease;
}
.picks-list li:hover { background: var(--off-white); }
.picks-list .pn {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  letter-spacing: .12em;
}
.picks-list .ptitle {
  font-family: var(--serif-jp);
  font-size: 22px;
  line-height: 1.45;
  color: var(--ink);
  letter-spacing: .02em;
}
.picks-list .pmeta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.picks-list .psum {
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}
.picks-list .pread {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
  text-align: right;
  text-transform: uppercase;
}

/* ---------- Glossary teaser ---------- */
.gloss-teaser { padding: 64px 0; border-bottom: var(--rule); background: var(--off-white); }
.gloss-teaser .row { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.gloss-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
}
.gloss-grid h2 {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 28px;
  margin: 0;
  letter-spacing: .02em;
}
.gloss-grid .terms {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--ink);
}
.gloss-grid .term {
  border-right: var(--rule);
  border-bottom: var(--rule);
  padding: 22px;
  display: grid; gap: 8px;
  background: #fff;
}
.gloss-grid .term:last-child { border-right: 0; }
.gloss-grid .term .t {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 20px;
  color: var(--ink);
}
.gloss-grid .term .en {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.gloss-grid .term .d {
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- Editorial policy ---------- */
.policy { padding: 80px 0; border-bottom: var(--rule); }
.policy .row { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.policy .grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}
.policy h2 {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 36px;
  margin: 0 0 14px;
  letter-spacing: .02em;
  line-height: 1.4;
}
.policy .lede {
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate);
  max-width: 30em;
}
.policy ol {
  list-style: none; padding: 0; margin: 0;
  border-top: 1px solid var(--ink);
}
.policy ol li {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 20px;
  padding: 22px 0;
  border-bottom: var(--rule);
}
.policy ol li .pn {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: .12em;
}
.policy ol li h3 {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 17px;
  margin: 0 0 6px;
  color: var(--ink);
}
.policy ol li p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- Footer ---------- */
footer.site {
  background: var(--navy);
  color: var(--ink-on-dark);
  padding: 80px 0 32px;
}
footer.site .inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
footer.site .top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 56px;
  padding-bottom: 56px;
  border-bottom: 1px solid #2A3B58;
}
footer.site .brand .logo {
  font-family: var(--serif-jp);
  font-size: 32px;
  letter-spacing: .02em;
  margin-bottom: 18px;
  color: var(--ink-on-dark);
}
footer.site .brand .en {
  font-family: var(--serif);
  font-style: italic;
  font-size: 12px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--muted-on-dark);
  margin-bottom: 18px;
}
footer.site .brand p {
  max-width: 28em;
  font-size: 13px;
  line-height: 1.85;
  color: var(--muted-on-dark);
}
footer.site .col h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted-on-dark);
  margin: 0 0 18px;
  font-weight: 500;
}
footer.site .col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
footer.site .col a {
  font-family: var(--sans-jp);
  font-size: 13px;
  color: var(--ink-on-dark);
  letter-spacing: .04em;
}
footer.site .col a:hover { color: var(--cyan); }
footer.site .bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted-on-dark);
  text-transform: uppercase;
}

/* ---------- Comparison table (exchanges) ---------- */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sans-jp);
  border-top: 1px solid var(--ink);
}
.compare-table th, .compare-table td {
  text-align: left;
  vertical-align: top;
  padding: 18px 16px;
  border-bottom: var(--rule);
  font-size: 13px;
  line-height: 1.65;
}
.compare-table thead th {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
  text-transform: uppercase;
  font-weight: 500;
  border-bottom: 1px solid var(--ink);
  background: var(--off-white);
}
.compare-table tbody th {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 18px;
  color: var(--ink);
  letter-spacing: .02em;
  width: 200px;
}
.compare-table td .mono { font-family: var(--mono); font-size: 12px; color: var(--slate); }
.compare-table td .tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid var(--paper-edge);
  color: var(--slate);
}
.compare-table td .yes { color: var(--emerald); font-family: var(--mono); font-size: 12px; }
.compare-table td .no { color: var(--muted); font-family: var(--mono); font-size: 12px; }
.compare-table td .warn { color: var(--amber); font-family: var(--mono); font-size: 12px; }

/* ---------- Article layout ---------- */
.article-shell {
  max-width: var(--max);
  margin: 0 auto;
  padding: 56px var(--gutter) 80px;
  display: grid;
  grid-template-columns: 220px minmax(0, 36em) 1fr;
  gap: 48px;
}
.margin-notes {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--muted);
  line-height: 1.8;
  display: grid;
  gap: 24px;
  padding-top: 12px;
}
.margin-notes .mn-block { padding-bottom: 16px; border-bottom: var(--rule); }
.margin-notes .mn-block .k { text-transform: uppercase; letter-spacing: .12em; color: var(--muted); display: block; margin-bottom: 6px; }
.margin-notes .mn-block .v { color: var(--ink); font-family: var(--mono); font-size: 12px; }
.article-body h1 {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(36px, 4.4vw, 56px);
  line-height: 1.35;
  margin: 0 0 24px;
  letter-spacing: .02em;
}
.article-body .standfirst {
  font-family: var(--serif-jp);
  font-size: 20px;
  line-height: 1.85;
  color: var(--slate);
  margin: 0 0 36px;
  letter-spacing: .02em;
}
.article-body .byline-row {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 18px 0;
  border-top: 1px solid var(--ink);
  border-bottom: var(--rule);
  margin-bottom: 36px;
  display: flex; gap: 24px; flex-wrap: wrap;
}
.article-body h2 {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 26px;
  line-height: 1.5;
  margin: 56px 0 18px;
  letter-spacing: .02em;
}
.article-body h3 {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 20px;
  margin: 36px 0 12px;
}
.article-body p {
  font-family: var(--sans-jp);
  font-size: 16px;
  line-height: 1.95;
  color: var(--ink);
  margin: 0 0 18px;
  letter-spacing: .02em;
}
.article-body p:first-of-type::first-letter {
  font-family: var(--serif-jp);
  font-size: 4.6em;
  float: left;
  line-height: .92;
  padding: 6px 12px 0 0;
  color: var(--ink);
}
.article-body blockquote {
  border-left: 2px solid var(--cyan);
  padding: 8px 0 8px 24px;
  margin: 36px 0;
  font-family: var(--serif-jp);
  font-size: 20px;
  line-height: 1.7;
  color: var(--slate);
  letter-spacing: .02em;
}
.article-body .pullnum {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 24px 0;
  margin: 36px 0;
}
.article-body .pullnum .v {
  font-family: var(--mono);
  font-size: 40px;
  letter-spacing: -.02em;
  color: var(--ink);
}
.article-body .pullnum .k {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
  text-transform: uppercase;
}

.toc {
  position: sticky;
  top: 80px;
  align-self: start;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 12px;
  border-top: var(--rule);
}
.toc h4 { font-weight: 500; color: var(--ink); margin: 0 0 12px; letter-spacing: .12em; }
.toc ol { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.toc a:hover { color: var(--cyan); }
.toc .num { color: var(--cyan); margin-right: 6px; }

/* ---------- Page hero (subpage) ---------- */
.page-hero {
  border-bottom: 1px solid var(--ink);
  padding: 56px 0 48px;
}
.page-hero .inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 56px;
  align-items: end;
}
.page-hero h1 {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(40px, 5.6vw, 72px);
  line-height: 1.2;
  margin: 18px 0 0;
  letter-spacing: .02em;
}
.page-hero .standfirst {
  font-family: var(--serif-jp);
  font-size: 17px;
  line-height: 1.85;
  color: var(--slate);
  margin: 0;
  max-width: 22em;
  letter-spacing: .02em;
}
.page-hero .meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: .12em;
  text-transform: uppercase;
  display: flex;
  gap: 24px;
}

/* ---------- Generic stack spacing ---------- */
.section { padding: 64px 0; border-bottom: var(--rule); }
.section .row { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- Responsive (light) ---------- */
@media (max-width: 980px) {
  .hero-grid,
  .editor-note .grid,
  .questions .grid,
  .gloss-grid,
  .policy .grid,
  .page-hero .inner,
  .article-shell { grid-template-columns: 1fr; gap: 32px; }
  .article-shell .toc,
  .article-shell .margin-notes { position: static; }
  .exch-list { grid-template-columns: repeat(2, 1fr); }
  .coin-card, .coin-card.feature { grid-column: span 6; }
  .gloss-grid .terms { grid-template-columns: 1fr; }
  .picks-list li { grid-template-columns: 60px 1fr; grid-template-areas: "pn ptitle" ". psum" ". pmeta"; }
  .picks-list .pmeta { grid-area: pmeta; }
  .picks-list .ptitle { grid-area: ptitle; }
  .picks-list .psum { grid-area: psum; }
  .picks-list .pread { display: none; }
  .primary-nav .inner { overflow-x: auto; }
  footer.site .top { grid-template-columns: 1fr 1fr; }
}

/* ---------- Misc helpers ---------- */
.kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.text-cyan { color: var(--cyan); }
.text-emerald { color: var(--emerald); }
.text-amber { color: var(--amber); }
.mono { font-family: var(--mono); }
.serif-jp { font-family: var(--serif-jp); }

.dark { background: var(--navy); color: var(--ink-on-dark); }
.dark .rule { border-top-color: #2A3B58; }

/* =========================================================
   DARK MODE — prefers-color-scheme: dark
   Brand palette unchanged; semantic surfaces flip.
   --navy / --off-white remain literal palette colors.
   ========================================================= */
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #F2F4F8;
    --slate: #C5CBD7;
    --muted: #8A93A5;
    --paper-edge: #25334C;
    --rule: 1px solid #25334C;
    --rule-dark: 1px solid #25334C;
  }

  body { background: #0B1A2F; color: var(--ink); }

  /* Chrome surfaces */
  .utility-bar,
  .masthead,
  .primary-nav,
  .editor-note,
  .exchange-strip,
  .coins-section,
  .picks,
  .gloss-teaser,
  .policy,
  .page-hero,
  .section,
  .article-shell { background: #0B1A2F; }

  .picks { background: #0E2138; }
  .editor-note,
  .gloss-teaser,
  .page-hero { background: #0B1A2F; }

  /* Override "off-white" backgrounds that look out of place in dark */
  .section[style*="background:var(--off-white)"],
  section.section[style*="background:var(--off-white)"] { background: #0E2138 !important; }

  /* Cards & blocks */
  .coin-card { background: #112341; }
  .coin-card:hover { background: #16294C; }
  .gloss-teaser .term { background: #112341; }
  .compare-table thead th { background: #112341; color: var(--muted); border-bottom-color: var(--ink); }
  .compare-table tbody th { color: var(--ink); }
  .compare-table td .tag { border-color: #25334C; color: var(--slate); }

  /* Always-dark sections need slight separation now */
  .questions { background: #061322; border-top: 1px solid #25334C; border-bottom: 1px solid #25334C; }
  footer.site { background: #061322; }

  /* Borders that were 1px solid var(--ink) (true black on light)
     need to flip to a softer light line on dark */
  .masthead { border-bottom-color: var(--ink); }
  .section-label,
  .compare-table,
  .exch-list,
  .coin-grid,
  .picks-list,
  .gloss-grid .terms,
  .policy ol,
  .page-hero { border-color: var(--ink); }

  /* Section labels and hr lines that drew 1px solid var(--ink) */
  .section-label { border-bottom-color: var(--ink); }
  hr.rule-ink, .rule-ink { border-top-color: var(--ink); }

  /* Inline asides with light bg in body */
  aside[style*="background:var(--off-white)"] { background: #112341 !important; border-color: var(--ink) !important; }
  aside[style*="border:1px solid var(--ink)"] { border-color: var(--ink); }

  /* Ticker, buttons */
  .btn { background: var(--ink); color: #0B1A2F; border-color: var(--ink); }
  .btn:hover { background: transparent; color: var(--ink); }
  .btn.ghost { color: var(--ink); border-color: var(--ink); }
  .btn.ghost:hover { background: var(--ink); color: #0B1A2F; }
  .btn-link { color: var(--ink); border-bottom-color: var(--ink); }

  /* Article body */
  .article-body p { color: var(--ink); }
  .article-body .standfirst { color: var(--slate); }
  .article-body p:first-of-type::first-letter,
  .editor-note p:first-of-type::first-letter { color: var(--ink); }
  .article-body blockquote { color: var(--slate); border-left-color: var(--cyan); }
  .article-body .pullnum { border-top-color: var(--ink); border-bottom-color: var(--ink); }
  .article-body .pullnum .v { color: var(--ink); }
  .article-body .byline-row { border-top-color: var(--ink); }

  /* Margin notes / TOC */
  .margin-notes .mn-block .v { color: var(--ink); }
  .toc h4 { color: var(--ink); }

  /* Editor note dropcap & body */
  .editor-note p { color: var(--ink); }

  /* Hero figures */
  .hero-figures { border-left-color: var(--ink); }
  .hero-figures .num { color: var(--ink); }
  .hero-figures .label { color: var(--slate); }

  /* Exchange strip rows */
  .exch-list .name { color: var(--ink); }
  .exch-list .meta .v { color: var(--ink); }

  /* Section labels h2 etc. */
  .section-label h2,
  .gloss-grid h2,
  .policy h2,
  .questions h2,
  .page-hero h1,
  .hero h1,
  .editor-note .meta .sig,
  .article-body h1,
  .article-body h2,
  .article-body h3,
  .coin-card .ticker,
  .coin-card .ja,
  .gloss-grid .term .t,
  .picks-list .ptitle,
  .article-body p strong,
  h1, h2, h3, h4 { color: var(--ink); }

  /* Compare table valign accents stay */
  .compare-table td { color: var(--ink); }
  .compare-table td .mono { color: var(--slate); }

  /* Coin card mono key/value visibility */
  .coin-card .kv .v,
  .coin-card .more { color: var(--ink); }

  /* dl in About / Bitcoin factbox */
  dl dd.mono { color: var(--ink) !important; }

  /* Footer surfaces inside the always-dark footer become deeper */
  footer.site .top { border-bottom-color: #1B2A41; }

  /* Ticker chip border */
  .gloss-block .letter { border-bottom-color: var(--ink); }
  .gloss-block .letter .big { color: var(--ink); }

  /* Alphabar in glossary */
  .alphabar { border-top-color: var(--ink); }
  .alphabar a { color: var(--ink); border-right-color: #25334C; }
  .alphabar a:hover { background: var(--ink); color: #0B1A2F; }
  .alphabar a.inactive { color: #25334C; }

  /* Inline-styled spans that hardcoded var(--ink) for dark text stay readable */
  /* (nothing to do — var(--ink) now resolves to light) */
}


/* =========================================================
   READABILITY PATCH — 可読性改善（編集メディア感は保持）
   ========================================================= */
:root {
  /* ミューテッドカラーを濃く（コントラスト 5.3:1 → 8.1:1） */
  --muted: #3D4658;
}

/* 本文系：13px 以下の小さな要約文を 15px に */
.lede,
.policy .lede,
.coin-card .desc,
.article-row .desc,
.exchange-row .desc,
.summary,
.note,
.kicker + p,
p.desc,
p.note,
.glossary .def,
.article-card p,
.exchange-card p,
.coin-card p {
  font-size: 15px !important;
  line-height: 1.92 !important;
  letter-spacing: .015em !important;
}

/* メタ情報（11px / 12px）を 12px に統一しコントラスト改善 */
.meta,
.eyebrow,
.kicker,
.byline,
time {
  font-size: 12px !important;
  letter-spacing: .1em !important;
  color: var(--muted) !important;
}

/* ナビ：13px → 14px（クリックターゲットも拡大） */
.primary-nav li a {
  font-size: 14px !important;
  padding: 16px 18px !important;
}

/* 記事一覧の行間ゆとり */
.article-row,
.article-item,
.toc-item,
.glossary-item,
.exchange-row {
  padding-top: 28px !important;
  padding-bottom: 28px !important;
}

/* 記事一覧の各行内の余白 */
.article-row > * + *,
.article-item > * + * {
  margin-top: 8px;
}

/* 大きな数字・ヒーロー数字の下の説明を大きく */
.big-num + .label,
.stat .label,
.data-point .label {
  font-size: 13px !important;
}

/* 用語集の定義行 */
.glossary .term,
.glossary dt {
  font-size: 22px !important;
  margin-bottom: 6px !important;
}
.glossary .def,
.glossary dd {
  font-size: 16px !important;
  line-height: 1.9 !important;
  color: var(--ink) !important;
}
.glossary .en,
.glossary .romaji {
  font-size: 11px !important;
  letter-spacing: .18em !important;
  color: var(--muted) !important;
}

/* 銘柄カード：説明文を大きく、行間広く */
.coin-card .desc,
.coin-card p {
  font-size: 15px !important;
  line-height: 1.95 !important;
  color: var(--ink) !important;
}
.coin-card ul li {
  font-size: 14px !important;
  line-height: 1.85 !important;
}

/* 取引所カード/行：説明本文 */
.exchange-row .desc,
.exchange-row p,
.exchange-card p {
  font-size: 15px !important;
  line-height: 1.9 !important;
  color: var(--ink) !important;
}

/* 記事本文（プロセ）：読み物の幅と行間 */
.article-body p,
.prose p {
  font-size: 17px !important;
  line-height: 1.95 !important;
  max-width: 38em;
}
.article-body,
.prose {
  max-width: 720px;
}

/* リンク：本文中のリンクはクリック領域広く */
p a:not(.btn):not(.btn-link):not(.lnk) {
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}

/* ボタンの可読性 */
.btn,
.btn-link {
  font-size: 14px !important;
  letter-spacing: .04em !important;
}

/* ダークモード時のミューテッドも調整 */
@media (prefers-color-scheme: dark) {
  :root {
    --muted: #B2BBD0;
  }
}