/* ════════════════════════════════════════════════════════════
   FuN.LLC Corporate Site — "Editorial Observatory"
   Typography × observation × precise draftsmanship.
   ════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300..900;1,9..144,300..900&family=Shippori+Mincho+B1:wght@400;500;600;700;800&family=Zen+Kaku+Gothic+New:wght@300;400;500;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { border: none; background: none; cursor: pointer; font: inherit; color: inherit; }

/* ─── Design tokens ─── */
:root {
  --bg:         #0A0908;
  --bg-1:       #111110;
  --bg-2:       #15130F;
  --bg-card:    #151411;
  --ink:        #F1ECDF;
  --ink-2:      #D7CFBC;
  --ink-3:      #938A74;
  --ink-4:      #5B5548;
  --rule:       #2A2620;
  --rule-2:     #3F3A2E;

  --accent:     #FFD23F;   /* electric yellow */
  --accent-2:   #FF5C39;   /* coral */
  --accent-3:   #6EE7B7;   /* mint */
  --accent-4:   #A78BFA;   /* lavender */
  --accent-5:   #7DD3FC;   /* sky */
  --danger:     #FF4857;

  --ff-serif:   'Fraunces', 'Shippori Mincho B1', serif;
  --ff-mincho:  'Shippori Mincho B1', 'Fraunces', serif;
  --ff-sans:    'Zen Kaku Gothic New', system-ui, sans-serif;
  --ff-mono:    'JetBrains Mono', ui-monospace, monospace;

  --max:        1440px;
  --pad:        clamp(1.25rem, 4vw, 3rem);
  --radius:     2px;

  --ease:       cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
}

/* ─── Body ─── */
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--ff-sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: 0.12;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse at center, black 10%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 10%, transparent 80%);
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 0.95  0 0 0 0 0.85  0 0 0 0.05 0'/></filter><rect width='160' height='160' filter='url(%23n)'/></svg>");
  opacity: 0.5;
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: overlay;
}

main, header, footer, section { position: relative; z-index: 2; }
::selection { background: var(--accent); color: var(--bg); }

/* ─── Custom cursor ─── */
@media (hover: hover) and (pointer: fine) {
  body.cursor-ready { cursor: none; }
  body.cursor-ready a,
  body.cursor-ready button,
  body.cursor-ready input,
  body.cursor-ready textarea,
  body.cursor-ready select,
  body.cursor-ready [role="button"] { cursor: none; }

  .cursor-dot,
  .cursor-ring {
    position: fixed;
    top: 0; left: 0;
    pointer-events: none;
    z-index: 9999;
    transform: translate3d(-50%, -50%, 0);
    will-change: transform;
    mix-blend-mode: difference;
  }
  .cursor-dot {
    width: 6px; height: 6px;
    background: var(--accent);
    border-radius: 50%;
    transition: transform 0.15s var(--ease-out), width 0.25s, height 0.25s, background 0.25s;
  }
  .cursor-ring {
    width: 36px; height: 36px;
    border: 1px solid var(--ink);
    border-radius: 50%;
    transition: transform 0.3s var(--ease-out), width 0.3s var(--ease-out), height 0.3s var(--ease-out), border-color 0.3s;
  }
  .cursor-ring.is-hover {
    width: 64px; height: 64px;
    border-color: var(--accent);
  }
  .cursor-dot.is-hover { width: 2px; height: 2px; }
}

/* ─── Container ─── */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
  position: relative;
}

/* ═══════════ Header ═══════════ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(10, 9, 8, 0.72);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--rule);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.1em;
  font-family: var(--ff-serif);
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  line-height: 1;
  position: relative;
}
.brand::before {
  content: '';
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  margin-right: 0.6em;
  transform: translateY(-3px);
  box-shadow: 0 0 12px var(--accent);
  animation: pulse 2.4s ease-in-out infinite;
}
.brand__mark { color: var(--accent); font-style: italic; }
.brand__dot  { color: var(--ink-4); font-weight: 300; }

@keyframes pulse {
  0%, 100% { opacity: 1; transform: translateY(-3px) scale(1); }
  50%      { opacity: 0.45; transform: translateY(-3px) scale(0.75); }
}

.nav { display: flex; gap: 2.2rem; align-items: center; }
.nav__link {
  font-family: var(--ff-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-2);
  transition: color 0.2s var(--ease);
  position: relative;
}
.nav__link::before,
.nav__link::after {
  opacity: 0;
  transition: opacity 0.2s, transform 0.25s var(--ease);
  display: inline-block;
  color: var(--ink-4);
}
.nav__link::before { content: '['; margin-right: 0.3em; transform: translateX(4px); }
.nav__link::after  { content: ']'; margin-left: 0.3em;  transform: translateX(-4px); }
.nav__link:hover,
.nav__link.is-active { color: var(--accent); }
.nav__link:hover::before,
.nav__link:hover::after,
.nav__link.is-active::before,
.nav__link.is-active::after { opacity: 1; transform: translateX(0); }

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.65rem 1.1rem;
  background: var(--accent);
  color: var(--bg);
  border-radius: 999px;
  font-family: var(--ff-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: background 0.2s, transform 0.2s, box-shadow 0.25s;
}
.nav__cta:hover {
  background: var(--ink);
  box-shadow: 0 0 20px rgba(255, 210, 63, 0.4);
  transform: translateY(-1px);
}

.nav__toggle {
  display: none;
  width: 36px; height: 36px;
  position: relative;
  border: 1px solid var(--rule);
}
.nav__toggle span {
  position: absolute;
  left: 8px; right: 8px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.2s, opacity 0.2s;
}
.nav__toggle span:nth-child(1) { top: 12px; }
.nav__toggle span:nth-child(2) { top: 17px; }
.nav__toggle span:nth-child(3) { top: 22px; }
.nav__toggle.is-open span:nth-child(1) { top: 17px; transform: rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { top: 17px; transform: rotate(-45deg); }

/* ═══════════ Hero ═══════════ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: clamp(2rem, 4vw, 3rem) 0 clamp(4rem, 6vw, 5rem);
  position: relative;
  overflow: hidden;
}

.hero__crosshair {
  position: absolute;
  width: 20px; height: 20px;
  color: var(--accent);
  opacity: 0.55;
  pointer-events: none;
}
.hero__crosshair::before,
.hero__crosshair::after {
  content: '';
  position: absolute;
  background: currentColor;
}
.hero__crosshair::before { top: 9px; left: 0; width: 100%; height: 2px; }
.hero__crosshair::after { left: 9px; top: 0; height: 100%; width: 2px; }
.hero__crosshair.tl { top: var(--pad); left: var(--pad); }
.hero__crosshair.tr { top: var(--pad); right: var(--pad); }
.hero__crosshair.bl { bottom: calc(var(--pad) + 70px); left: var(--pad); }
.hero__crosshair.br { bottom: calc(var(--pad) + 70px); right: var(--pad); }

.hero__meta {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  margin-bottom: clamp(3rem, 6vw, 5rem);
  align-items: start;
  padding-top: 2rem;
}

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 1rem;
  border: 1px solid var(--rule-2);
  border-radius: 999px;
  background: rgba(255, 210, 63, 0.04);
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-2);
  justify-self: start;
}
.hero__tag::before {
  content: '';
  width: 7px; height: 7px;
  background: var(--accent-3);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-3);
  animation: blink 1.6s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.35; }
}

.hero__coords {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  text-align: right;
  line-height: 1.9;
}
.hero__coords b {
  display: block;
  color: var(--ink);
  font-weight: 500;
  font-size: 11px;
}
.hero__coords i {
  color: var(--accent);
  font-style: normal;
}

.hero__title {
  font-family: var(--ff-mincho);
  font-weight: 600;
  font-size: clamp(2.8rem, 10vw, 9rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero__title .line { display: block; position: relative; }
.hero__title .em {
  font-family: var(--ff-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
  padding: 0 0.05em;
  position: relative;
}
.hero__title .em::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0.12em;
  height: 2px;
  background: var(--accent);
  opacity: 0.3;
  transform-origin: left;
  animation: expand-line 1.2s 0.8s var(--ease-out) both;
  transform: scaleX(0);
}
@keyframes expand-line { to { transform: scaleX(1); } }

.hero__title .sm {
  display: inline-block;
  font-family: var(--ff-serif);
  font-size: 0.28em;
  font-weight: 300;
  font-style: italic;
  color: var(--ink-3);
  vertical-align: baseline;
  margin: 0 0.3em;
  letter-spacing: 0.01em;
  transform: translateY(-0.3em);
}

.hero__title .bracket {
  color: var(--ink-4);
  font-family: var(--ff-mono);
  font-size: 0.2em;
  font-weight: 400;
  font-style: normal;
  vertical-align: top;
  margin: 0 0.2em;
}

.hero__title-idx {
  display: inline-block;
  font-family: var(--ff-mono);
  font-size: 0.12em;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.3em;
  vertical-align: middle;
  margin-right: 1em;
  padding: 0.3em 0.7em;
  border: 1px solid var(--rule-2);
  border-radius: 999px;
}

.hero__dash {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
  margin-top: clamp(2rem, 5vw, 3rem);
}
@media (min-width: 900px) {
  .hero__dash {
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 3rem;
  }
}

.hero__lede {
  font-size: 1rem;
  line-height: 1.95;
  color: var(--ink-2);
  max-width: 50ch;
}
.hero__lede strong {
  color: var(--accent);
  font-weight: 500;
}

.hero__stat {
  border-left: 1px solid var(--rule);
  padding-left: 1.5rem;
}
.hero__stat-label {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 0.8rem;
}
.hero__stat-value {
  font-family: var(--ff-serif);
  font-size: clamp(2rem, 3vw, 2.5rem);
  font-weight: 400;
  line-height: 1;
  color: var(--ink);
  letter-spacing: -0.025em;
}
.hero__stat-value .unit {
  font-family: var(--ff-mono);
  font-size: 0.38em;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-left: 0.2em;
  vertical-align: baseline;
}
.hero__stat-sub {
  font-size: 0.85rem;
  color: var(--ink-3);
  margin-top: 0.8rem;
  line-height: 1.6;
}

.hero__scroll {
  position: absolute;
  bottom: var(--pad);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
  pointer-events: none;
}
.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: var(--rule);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 50%;
  background: var(--accent);
  animation: scroll-fill 2s ease-in-out infinite;
}
@keyframes scroll-fill {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(200%); }
}

/* ═══════════ Ticker ═══════════ */
.ticker {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
  background: var(--bg);
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.ticker__track {
  display: flex;
  gap: 3rem;
  white-space: nowrap;
  padding: 0.95rem 0;
  animation: ticker-slide 60s linear infinite;
  width: max-content;
}
.ticker:hover .ticker__track { animation-play-state: paused; }
.ticker__item { display: inline-flex; align-items: center; gap: 1.5rem; }
.ticker__item::after {
  content: '◆';
  color: var(--accent);
  font-size: 0.7em;
}
.ticker__item:last-child::after { content: ''; }

@keyframes ticker-slide {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-50%, 0, 0); }
}

/* ═══════════ Section base ═══════════ */
.section {
  padding: clamp(5rem, 10vw, 8rem) 0;
  position: relative;
}

.section__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
  margin-bottom: clamp(3rem, 6vw, 5rem);
  align-items: start;
  position: relative;
}
@media (min-width: 900px) {
  .section__head {
    grid-template-columns: auto 1fr auto;
    gap: 3rem;
  }
}

.section__index {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--ink-3);
  white-space: nowrap;
}
.section__index b {
  color: var(--section-accent, var(--accent));
  font-weight: 500;
}

.section__title {
  font-family: var(--ff-mincho);
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.section__title .en {
  display: block;
  font-family: var(--ff-serif);
  font-style: italic;
  font-weight: 300;
  font-size: 0.4em;
  color: var(--section-accent, var(--accent));
  letter-spacing: 0.01em;
  margin-bottom: 0.5em;
}

.section__note {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-4);
  text-align: right;
  white-space: nowrap;
  padding-top: 1.4em;
}

/* ═══════════ Manifesto ═══════════ */
.manifesto {
  padding: clamp(6rem, 12vw, 10rem) 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  position: relative;
  overflow: hidden;
}
.manifesto::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 800px; height: 800px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(167, 139, 250, 0.08) 0%, transparent 60%);
  pointer-events: none;
}
.manifesto__label {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent-4);
  text-align: center;
  margin-bottom: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
}
.manifesto__label::before,
.manifesto__label::after {
  content: '';
  width: 30px;
  height: 1px;
  background: var(--rule-2);
}
.manifesto__body {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  font-family: var(--ff-mincho);
  font-size: clamp(1.4rem, 3.3vw, 2.4rem);
  font-weight: 500;
  line-height: 1.7;
  letter-spacing: -0.01em;
  color: var(--ink);
  position: relative;
  z-index: 1;
}
.manifesto__body em {
  font-family: var(--ff-serif);
  font-style: italic;
  color: var(--accent);
  font-weight: 400;
}
.manifesto__body span.coral  { color: var(--accent-2); }
.manifesto__body span.mint   { color: var(--accent-3); }
.manifesto__body span.lav    { color: var(--accent-4); }

.manifesto__sign {
  text-align: center;
  margin-top: 3rem;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--ink-3);
  position: relative;
  z-index: 1;
}

/* ═══════════ Stats ═══════════ */
.stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
}
@media (min-width: 720px) {
  .stats { grid-template-columns: repeat(3, 1fr); }
}

.stat {
  padding: clamp(2.5rem, 5vw, 4rem) clamp(1.25rem, 2.5vw, 2rem);
  border-bottom: 1px solid var(--rule);
  border-right: 1px solid var(--rule);
  position: relative;
  overflow: hidden;
}
@media (min-width: 720px) {
  .stat { border-bottom: none; }
  .stat:last-child { border-right: none; }
}
@media (max-width: 719px) {
  .stat:last-child { border-bottom: none; }
  .stat { border-right: none; }
}

.stat::before {
  content: attr(data-code);
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-4);
  opacity: 0.8;
}
.stat::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.8s var(--ease-out);
}
.stat.is-visible::after { width: 40%; }

.stat__num {
  font-family: var(--ff-serif);
  font-weight: 300;
  font-size: clamp(4rem, 9vw, 7rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--ink);
  font-variant-numeric: lining-nums;
  display: flex;
  align-items: baseline;
  gap: 0.15em;
}
.stat__num .unit {
  font-family: var(--ff-mono);
  font-size: 0.22em;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.stat__num .frac {
  font-size: 0.5em;
  color: var(--accent-2);
  font-style: italic;
}

.stat__label {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-top: 1.2rem;
}
.stat__desc {
  font-size: 0.92rem;
  color: var(--ink-2);
  line-height: 1.75;
  margin-top: 0.8rem;
  max-width: 40ch;
}

/* ═══════════ Products ═══════════ */
.product {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: clamp(3rem, 6vw, 5rem) 0;
  border-bottom: 1px solid var(--rule);
  position: relative;
  align-items: start;
}
@media (min-width: 900px) {
  .product {
    grid-template-columns: 0.7fr 1.4fr 1fr;
    gap: clamp(2rem, 4vw, 4rem);
  }
}
.product:first-of-type { border-top: 1px solid var(--rule); }

.product__art {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
  position: relative;
}

.product__num {
  font-family: var(--ff-serif);
  font-weight: 200;
  font-size: clamp(5rem, 10vw, 9rem);
  line-height: 0.8;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 1px var(--ink-4);
  font-style: italic;
  transition: all 0.5s var(--ease);
}
.product:hover .product__num {
  color: var(--accent);
  -webkit-text-stroke: 1px var(--accent);
  transform: translateX(8px);
}

.product__svg {
  width: 100%;
  max-width: 200px;
  aspect-ratio: 1;
  color: var(--accent);
  opacity: 0.9;
  transition: transform 0.8s var(--ease-out), color 0.4s;
}
.product:hover .product__svg {
  transform: rotate(45deg) scale(1.05);
}

.product[data-product="tenka"]      .product__svg { color: var(--accent); }
.product[data-product="ocas"]       .product__svg { color: var(--accent-4); }
.product[data-product="priceradar"] .product__svg { color: var(--accent-3); }

.product__body {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.product__name {
  font-family: var(--ff-serif);
  font-weight: 600;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.product__name-jp {
  font-family: var(--ff-mincho);
  font-size: clamp(0.95rem, 1.6vw, 1.15rem);
  font-weight: 500;
  color: var(--accent);
  display: block;
  margin-top: 0.6rem;
  letter-spacing: 0;
}
.product[data-product="ocas"]       .product__name-jp { color: var(--accent-4); }
.product[data-product="priceradar"] .product__name-jp { color: var(--accent-3); }

.product__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}
.product__tag {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--rule-2);
  color: var(--ink-3);
  border-radius: 999px;
  background: rgba(30, 27, 21, 0.4);
}
.product__tag--accent {
  color: var(--accent);
  border-color: rgba(255, 210, 63, 0.3);
  background: rgba(255, 210, 63, 0.06);
}
.product[data-product="ocas"]       .product__tag--accent {
  color: var(--accent-4);
  border-color: rgba(167, 139, 250, 0.3);
  background: rgba(167, 139, 250, 0.06);
}
.product[data-product="priceradar"] .product__tag--accent {
  color: var(--accent-3);
  border-color: rgba(110, 231, 183, 0.3);
  background: rgba(110, 231, 183, 0.06);
}

.product__desc {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--ink-2);
  max-width: 58ch;
}
.product__desc strong { color: var(--accent); font-weight: 500; }
.product[data-product="ocas"]       .product__desc strong { color: var(--accent-4); }
.product[data-product="priceradar"] .product__desc strong { color: var(--accent-3); }

.product__side {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  min-width: 180px;
}

.product__price {
  font-family: var(--ff-serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.product__price-label {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 0.4rem;
  display: block;
}

.product__link {
  font-family: var(--ff-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 0.2rem 0;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.2s, border-color 0.2s, gap 0.25s var(--ease);
  align-self: flex-start;
}
.product__link:hover {
  color: var(--accent);
  border-color: var(--accent);
  gap: 1rem;
}
.product[data-product="ocas"]       .product__link:hover { color: var(--accent-4); border-color: var(--accent-4); }
.product[data-product="priceradar"] .product__link:hover { color: var(--accent-3); border-color: var(--accent-3); }
.product__link::after { content: '↗'; }

/* ═══════════ Services ═══════════ */
.services {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}
@media (min-width: 820px) {
  .services { grid-template-columns: repeat(2, 1fr); }
}

.service {
  padding: clamp(2rem, 4vw, 3rem);
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  background: var(--bg);
  transition: background 0.3s var(--ease);
  min-height: 340px;
  overflow: hidden;
}
.service::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(140deg, var(--service-tint, rgba(255, 210, 63, 0.08)), transparent 45%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
}
.service:hover::before { opacity: 1; }
.service:hover .service__name { color: var(--service-color, var(--accent)); }
.service:hover .service__icon { color: var(--service-color, var(--accent)); transform: rotate(12deg) scale(1.08); }
.service:hover .service__arrow { transform: translate(6px, -6px); color: var(--service-color, var(--accent)); }

.service[data-service="advisory"]  { --service-color: var(--accent);   --service-tint: rgba(255, 210, 63, 0.08); }
.service[data-service="contract"]  { --service-color: var(--accent-2); --service-tint: rgba(255, 92, 57, 0.08); }
.service[data-service="ai"]        { --service-color: var(--accent-4); --service-tint: rgba(167, 139, 250, 0.08); }
.service[data-service="launch"]    { --service-color: var(--accent-3); --service-tint: rgba(110, 231, 183, 0.08); }

.service__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.25rem;
}
.service__num {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--service-color, var(--accent));
}
.service__arrow {
  font-family: var(--ff-mono);
  font-size: 20px;
  color: var(--ink-3);
  transition: transform 0.4s var(--ease), color 0.3s;
  line-height: 1;
}
.service__icon {
  width: 48px;
  height: 48px;
  color: var(--ink-3);
  margin-bottom: 0.5rem;
  transition: color 0.35s, transform 0.5s var(--ease);
}
.service__name {
  font-family: var(--ff-mincho);
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
  transition: color 0.3s;
}
.service__desc {
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--ink-2);
  flex: 1;
}
.service__price {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-3);
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  margin-top: auto;
}
.service__price strong {
  font-family: var(--ff-serif);
  font-size: 16px;
  color: var(--ink);
  font-weight: 500;
  letter-spacing: -0.01em;
}

/* ═══════════ Process timeline ═══════════ */
.process {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  position: relative;
}
.process__step {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding: clamp(1.5rem, 3vw, 2.5rem) 0;
  border-top: 1px solid var(--rule);
  position: relative;
  transition: background 0.3s;
}
.process__step:last-child { border-bottom: 1px solid var(--rule); }
@media (min-width: 820px) {
  .process__step {
    grid-template-columns: auto 1.4fr auto 2fr;
    gap: 2.5rem;
    align-items: baseline;
  }
}
.process__step:hover { background: rgba(255, 210, 63, 0.025); }
.process__step:hover .process__arrow { transform: translateX(8px); color: var(--accent); }

.process__num {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--accent);
}
.process__phase {
  font-family: var(--ff-mincho);
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.process__arrow {
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 1.3rem;
  color: var(--ink-3);
  transition: transform 0.3s var(--ease), color 0.25s;
}
.process__desc {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--ink-2);
  max-width: 60ch;
}

/* ═══════════ Terminal ═══════════ */
.terminal {
  background: var(--bg-1);
  border: 1px solid var(--rule-2);
  border-radius: 4px;
  font-family: var(--ff-mono);
  font-size: 13px;
  line-height: 1.8;
  overflow: hidden;
  box-shadow: 0 30px 80px -40px rgba(0, 0, 0, 0.7);
}
.terminal__head {
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 0, 0, 0.3);
}
.terminal__dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--ink-4);
}
.terminal__dot:nth-child(1) { background: #FF5F56; }
.terminal__dot:nth-child(2) { background: #FFBD2E; }
.terminal__dot:nth-child(3) { background: #27C93F; }
.terminal__title {
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.12em;
  margin-left: auto;
}
.terminal__body { padding: 1.5rem; color: var(--ink-2); }
.terminal__line { display: block; }
.terminal__prompt { color: var(--accent); }
.terminal__comment { color: var(--ink-4); }
.terminal__key { color: var(--accent-3); }
.terminal__str { color: var(--accent-2); }
.terminal__cursor {
  display: inline-block;
  width: 8px; height: 1em;
  background: var(--accent);
  vertical-align: middle;
  animation: blink-cursor 1s steps(2) infinite;
  margin-left: 2px;
}
@keyframes blink-cursor { 50% { opacity: 0; } }

/* ═══════════ CTA ═══════════ */
.cta {
  padding: clamp(5rem, 10vw, 8rem) 0;
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.cta::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 900px; height: 900px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(255, 210, 63, 0.14) 0%, transparent 60%);
  pointer-events: none;
}
.cta__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
}
@media (min-width: 900px) {
  .cta__inner { grid-template-columns: 1.4fr 1fr; gap: 5rem; }
}
.cta__title {
  font-family: var(--ff-mincho);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.cta__title .em {
  font-family: var(--ff-serif);
  font-style: italic;
  color: var(--accent);
  font-weight: 400;
}
.cta__sub {
  margin-top: 1.5rem;
  font-size: 1rem;
  color: var(--ink-2);
  line-height: 1.8;
  max-width: 50ch;
}
.cta__actions { display: flex; flex-direction: column; gap: 0.8rem; }

/* ═══════════ Buttons ═══════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.05rem 1.5rem;
  background: var(--accent);
  color: var(--bg);
  border-radius: 999px;
  font-family: var(--ff-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  transition: background 0.3s, color 0.3s, transform 0.15s var(--ease-out), box-shadow 0.35s;
  gap: 1.5rem;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  will-change: transform;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 40%, rgba(255, 255, 255, 0.3) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: transform 0.6s var(--ease-out);
}
.btn:hover {
  background: var(--ink);
  color: var(--bg);
  box-shadow: 0 0 28px rgba(255, 210, 63, 0.35);
}
.btn:hover::before { transform: translateX(100%); }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--rule-2);
}
.btn--ghost:hover {
  background: rgba(255, 210, 63, 0.06);
  color: var(--accent);
  border-color: var(--accent);
  box-shadow: none;
}
.btn__arrow {
  font-family: var(--ff-mono);
  font-size: 1em;
  transition: transform 0.3s var(--ease);
}
.btn:hover .btn__arrow { transform: translateX(4px); }

/* ═══════════ Mega wordmark ═══════════ */
.megamark {
  font-family: var(--ff-serif);
  font-weight: 600;
  font-size: clamp(5rem, 22vw, 18rem);
  line-height: 0.8;
  letter-spacing: -0.05em;
  color: transparent;
  -webkit-text-stroke: 1px var(--rule-2);
  text-align: center;
  margin: 0;
  padding: 2rem 0 0;
  user-select: none;
  overflow: hidden;
  position: relative;
}
.megamark .em {
  -webkit-text-stroke: 1px var(--accent);
  font-style: italic;
}

/* ═══════════ Footer ═══════════ */
.site-footer {
  border-top: 1px solid var(--rule);
  padding: clamp(4rem, 8vw, 6rem) 0 0;
  position: relative;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}
@media (min-width: 820px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
  }
}
.footer__about .brand { font-size: 1.7rem; }
.footer__desc {
  margin-top: 1.2rem;
  font-size: 0.88rem;
  line-height: 1.9;
  color: var(--ink-2);
  max-width: 36ch;
}
.footer__col h4 {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
  font-weight: 500;
}
.footer__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.footer__list a,
.footer__list span {
  font-size: 0.88rem;
  color: var(--ink-2);
  transition: color 0.2s;
  line-height: 1.6;
}
.footer__list a:hover { color: var(--accent); }
.footer__bottom {
  border-top: 1px solid var(--rule);
  padding: 1.5rem 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-4);
}
@media (min-width: 600px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* ═══════════ Page head ═══════════ */
.page-head {
  padding: clamp(5rem, 10vw, 9rem) 0 clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--rule);
  position: relative;
}
.page-head__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: end;
}
@media (min-width: 900px) {
  .page-head__grid { grid-template-columns: 1.6fr 1fr; gap: 5rem; }
}
.page-head__eyebrow {
  display: inline-flex;
  gap: 1rem;
  margin-bottom: 2rem;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}
.page-head__eyebrow .num { color: var(--accent); }
.page-head__eyebrow .sep { color: var(--ink-4); }
.page-head__eyebrow .label { color: var(--ink-2); }
.page-head__title {
  font-family: var(--ff-mincho);
  font-size: clamp(2.6rem, 6vw, 5rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.page-head__title .en {
  display: block;
  font-family: var(--ff-serif);
  font-style: italic;
  font-weight: 300;
  font-size: 0.35em;
  color: var(--accent);
  letter-spacing: 0.01em;
  margin-bottom: 0.6em;
}
.page-head__lede {
  font-size: 1rem;
  line-height: 1.95;
  color: var(--ink-2);
  max-width: 50ch;
}

/* ═══════════ Prose ═══════════ */
.prose {
  font-size: 1rem;
  line-height: 1.95;
  color: var(--ink-2);
  max-width: 70ch;
}
.prose { counter-reset: h2-counter; }
.prose h2 {
  font-family: var(--ff-mincho);
  font-size: clamp(1.4rem, 2.5vw, 1.7rem);
  font-weight: 600;
  color: var(--ink);
  margin-top: 3.5rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--rule);
  letter-spacing: -0.015em;
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
}
.prose h2::before {
  content: counter(h2-counter, decimal-leading-zero);
  counter-increment: h2-counter;
  font-family: var(--ff-mono);
  font-size: 0.55em;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.15em;
}
.prose h3 {
  font-family: var(--ff-mincho);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink);
  margin-top: 2.2rem;
  margin-bottom: 0.8rem;
}
.prose p { margin-bottom: 1.25rem; }
.prose strong { color: var(--accent); font-weight: 500; }
.prose ul, .prose ol {
  margin-bottom: 1.25rem;
  padding-left: 0;
  list-style: none;
}
.prose li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.55rem;
}
.prose ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--ff-mono);
}
.prose ol { counter-reset: ol-counter; }
.prose ol li { counter-increment: ol-counter; }
.prose ol li::before {
  content: counter(ol-counter, decimal-leading-zero);
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--ff-mono);
  font-size: 0.8em;
  top: 0.2em;
}
.prose a {
  color: var(--accent);
  border-bottom: 1px solid rgba(255, 210, 63, 0.35);
  padding-bottom: 1px;
  transition: color 0.2s, border-color 0.2s;
}
.prose a:hover {
  color: var(--ink);
  border-color: var(--ink);
}

/* ═══════════ Profile ═══════════ */
.profile {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin: 4rem 0;
  position: relative;
}
@media (min-width: 820px) {
  .profile { grid-template-columns: 1fr 2fr; gap: 4rem; }
}
.profile__side {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.profile__role-mono {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--accent);
  text-transform: uppercase;
}
.profile__name {
  font-family: var(--ff-mincho);
  font-size: clamp(1.8rem, 3vw, 2.3rem);
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.015em;
  line-height: 1.2;
}
.profile__role {
  font-family: var(--ff-serif);
  font-style: italic;
  font-weight: 300;
  font-size: 1rem;
  color: var(--ink-3);
}
.profile__msg {
  font-size: 0.98rem;
  line-height: 1.95;
  color: var(--ink-2);
}
.profile__msg p + p { margin-top: 1.1rem; }

/* ═══════════ Info table ═══════════ */
.info-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 2.5rem;
}
.info-table tr { border-bottom: 1px solid var(--rule); }
.info-table tr:first-child { border-top: 1px solid var(--rule); }
.info-table th,
.info-table td {
  text-align: left;
  padding: 1.1rem 0;
  vertical-align: top;
  font-size: 0.95rem;
  line-height: 1.75;
}
.info-table th {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  width: 200px;
  padding-right: 1.5rem;
}
@media (max-width: 640px) {
  .info-table th { width: 110px; font-size: 10px; }
}
.info-table td { color: var(--ink-2); }
.info-table td a {
  color: var(--ink);
  border-bottom: 1px solid var(--rule-2);
}
.info-table td a:hover { color: var(--accent); border-color: var(--accent); }

/* ═══════════ Contact ═══════════ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
}
@media (min-width: 900px) {
  .contact-grid { grid-template-columns: 1fr 1.3fr; gap: 5rem; }
}
.contact-methods { display: flex; flex-direction: column; gap: 2.5rem; }
.method__label {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}
.method__value {
  font-family: var(--ff-serif);
  font-weight: 400;
  font-size: 1.3rem;
  color: var(--ink);
  letter-spacing: -0.01em;
  line-height: 1.5;
}
.method__value a {
  border-bottom: 1px solid var(--rule-2);
  transition: color 0.2s, border-color 0.2s;
}
.method__value a:hover { color: var(--accent); border-color: var(--accent); }
.method__sub {
  font-size: 0.88rem;
  color: var(--ink-2);
  margin-top: 0.5rem;
  line-height: 1.8;
}

.contact-form {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: var(--bg-1);
  border: 1px solid var(--rule-2);
  border-radius: 4px;
  box-shadow: 0 30px 80px -40px rgba(0, 0, 0, 0.6);
}
.form-field { margin-bottom: 1.4rem; }
.form-field label {
  display: block;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 0.6rem;
}
.form-field label .req { color: var(--accent); margin-left: 0.3em; }
.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 0.85rem 1rem;
  font: inherit;
  font-size: 0.95rem;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 2px;
  color: var(--ink);
  font-family: var(--ff-sans);
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-1);
  box-shadow: 0 0 0 3px rgba(255, 210, 63, 0.12);
}
.form-field textarea { min-height: 170px; resize: vertical; line-height: 1.7; }
.form-field select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8'><path fill='%23FFD23F' d='M6 8L0 0h12z'/></svg>");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}
.form-submit {
  width: 100%;
  padding: 1.1rem 1.5rem;
  background: var(--accent);
  color: var(--bg);
  border-radius: 999px;
  font-family: var(--ff-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  transition: background 0.2s, transform 0.2s, box-shadow 0.25s;
  display: inline-flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-top: 0.5rem;
}
.form-submit:hover {
  background: var(--ink);
  transform: translateY(-2px);
  box-shadow: 0 0 24px rgba(255, 210, 63, 0.35);
}

/* ═══════════ Reveal animation ═══════════ */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
  }
  .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
}
.reveal-d-1 { transition-delay: 0.08s; }
.reveal-d-2 { transition-delay: 0.18s; }
.reveal-d-3 { transition-delay: 0.28s; }
.reveal-d-4 { transition-delay: 0.38s; }
.reveal-d-5 { transition-delay: 0.48s; }

/* ═══════════ Mobile nav ═══════════ */
@media (max-width: 900px) {
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--bg-1);
    border-bottom: 1px solid var(--rule);
    padding: 1.5rem var(--pad);
    flex-direction: column;
    align-items: stretch;
    gap: 1.2rem;
  }
  .nav.is-open { display: flex; }
  .nav__cta { text-align: center; justify-content: center; }
  .nav__toggle { display: block; }
}

/* ═══════════ Value cards (about) ═══════════ */
.values {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
  margin: 3rem 0;
}
@media (min-width: 820px) { .values { grid-template-columns: repeat(3, 1fr); } }

.value {
  padding: clamp(2rem, 4vw, 3rem);
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 300px;
  position: relative;
  overflow: hidden;
  background: var(--bg);
  transition: background 0.3s;
}
.value::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(140deg, var(--value-tint, rgba(255, 210, 63, 0.05)), transparent 50%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.value:hover::before { opacity: 1; }
.value:hover .value__icon { color: var(--value-color, var(--accent)); transform: scale(1.08) rotate(-5deg); }
.value:hover .value__title { color: var(--value-color, var(--accent)); }

.value[data-val="1"] { --value-color: var(--accent);    --value-tint: rgba(255, 210, 63, 0.05); }
.value[data-val="2"] { --value-color: var(--accent-2);  --value-tint: rgba(255, 92, 57, 0.05); }
.value[data-val="3"] { --value-color: var(--accent-4);  --value-tint: rgba(167, 139, 250, 0.05); }

.value__num {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.26em;
  color: var(--value-color, var(--accent));
}
.value__icon {
  width: 44px; height: 44px;
  color: var(--ink-3);
  margin-bottom: 0.3rem;
  transition: color 0.35s, transform 0.5s var(--ease);
}
.value__title {
  font-family: var(--ff-mincho);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
  letter-spacing: -0.01em;
  transition: color 0.3s;
}
.value__title small {
  display: block;
  font-family: var(--ff-serif);
  font-style: italic;
  font-weight: 300;
  font-size: 0.7em;
  color: var(--value-color, var(--accent));
  margin-top: 0.4em;
  letter-spacing: 0.01em;
}
.value__desc {
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--ink-2);
  flex: 1;
}

/* ═══════════ Feature grid (product/service detail) ═══════════ */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-left: 1px solid var(--rule);
  border-top: 1px solid var(--rule);
  margin: 2rem 0 3rem;
}
@media (min-width: 640px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .feature-grid { grid-template-columns: repeat(3, 1fr); } }

.feature {
  padding: 1.75rem 1.75rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-height: 150px;
  position: relative;
  background: var(--bg);
  transition: background 0.3s;
}
.feature:hover { background: rgba(255, 210, 63, 0.025); }
.feature:hover .feature__name { color: var(--feature-color, var(--accent)); }
.feature__label {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--feature-color, var(--accent));
  text-transform: uppercase;
}
.feature__name {
  font-family: var(--ff-mincho);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
  transition: color 0.25s;
}
.feature__desc {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--ink-2);
}

/* ═══════════ Product hero (detail pages) ═══════════ */
.product-hero {
  padding: clamp(4rem, 8vw, 7rem) 0;
  border-bottom: 1px solid var(--rule);
  position: relative;
  overflow: hidden;
}
.product-hero--tenka       { --product-accent: var(--accent);   --product-glow: rgba(255, 210, 63, 0.12); }
.product-hero--ocas        { --product-accent: var(--accent-4); --product-glow: rgba(167, 139, 250, 0.12); }
.product-hero--priceradar  { --product-accent: var(--accent-3); --product-glow: rgba(110, 231, 183, 0.12); }

.product-hero::before {
  content: '';
  position: absolute;
  top: 30%;
  right: -15%;
  width: 700px; height: 700px;
  background: radial-gradient(circle, var(--product-glow) 0%, transparent 60%);
  pointer-events: none;
}
.product-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
}
@media (min-width: 900px) {
  .product-hero__grid { grid-template-columns: 1.2fr 1fr; gap: 4rem; }
}
.product-hero__label {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--product-accent);
  margin-bottom: 1.2rem;
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
}
.product-hero__label::after {
  content: '';
  width: 40px;
  height: 1px;
  background: var(--product-accent);
  opacity: 0.6;
}
.product-hero__title {
  font-family: var(--ff-serif);
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  font-weight: 600;
  line-height: 0.95;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin-bottom: 1rem;
}
.product-hero__title .jp {
  display: block;
  font-family: var(--ff-mincho);
  font-size: 0.36em;
  font-weight: 500;
  color: var(--product-accent);
  margin-top: 0.8rem;
  letter-spacing: 0;
}
.product-hero__lede {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--ink-2);
  max-width: 52ch;
  margin-top: 1.5rem;
}
.product-hero__art-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.product-hero__art {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1;
  color: var(--product-accent);
  opacity: 0.95;
}
.product-hero__art-label {
  position: absolute;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--ink-4);
  text-transform: uppercase;
}
.product-hero__art-label.tl { top: 0; left: 0; }
.product-hero__art-label.br { bottom: 0; right: 0; }

/* ═══════════ Horizontal tech stack ═══════════ */
.tech-stack {
  padding: clamp(3rem, 6vw, 5rem) 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
  position: relative;
  background: var(--bg-1);
}
.tech-stack__label {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.tech-stack__label::before,
.tech-stack__label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--rule);
}
.tech-stack__track {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 0.5rem 0 2rem;
  scrollbar-width: thin;
  scrollbar-color: var(--rule-2) transparent;
}
.tech-stack__track::-webkit-scrollbar { height: 6px; }
.tech-stack__track::-webkit-scrollbar-track { background: transparent; }
.tech-stack__track::-webkit-scrollbar-thumb { background: var(--rule-2); border-radius: 3px; }

.tech-stack__item {
  flex: 0 0 auto;
  scroll-snap-align: start;
  min-width: 240px;
  padding: 1.5rem;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: border-color 0.3s, transform 0.3s;
}
.tech-stack__item:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.tech-stack__cat {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--accent);
  text-transform: uppercase;
}
.tech-stack__tools {
  font-family: var(--ff-serif);
  font-size: 1rem;
  color: var(--ink);
  line-height: 1.6;
  letter-spacing: -0.005em;
}
.tech-stack__tools b {
  font-family: var(--ff-mincho);
  font-weight: 600;
  display: block;
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}

/* ═══════════ Detail section with accent border ═══════════ */
.accent-block {
  border-left: 2px solid var(--accent);
  padding: 0.5rem 0 0.5rem 1.5rem;
  margin: 2rem 0;
  font-family: var(--ff-mincho);
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.7;
  color: var(--ink);
}

/* ═══════════ Plan pills (pricing) ═══════════ */
.plans {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
  margin: 2rem 0 3rem;
}
@media (min-width: 720px) { .plans { grid-template-columns: repeat(3, 1fr); } }

.plan {
  padding: 2rem 1.75rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
}
.plan--featured {
  background: linear-gradient(180deg, rgba(255, 210, 63, 0.04), transparent);
  border-color: var(--rule-2);
}
.plan--featured::before {
  content: 'RECOMMENDED';
  position: absolute;
  top: -1px; right: -1px;
  padding: 0.35rem 0.7rem;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--ff-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  font-weight: 700;
}
.plan__name {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.plan__price {
  font-family: var(--ff-serif);
  font-size: 2rem;
  font-weight: 500;
  line-height: 1;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.plan__price small {
  font-family: var(--ff-mono);
  font-size: 0.4em;
  color: var(--ink-3);
  letter-spacing: 0.1em;
  margin-left: 0.3em;
  font-weight: 400;
}
.plan__perks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 0;
  font-size: 0.9rem;
  color: var(--ink-2);
  line-height: 1.6;
}
.plan__perks li {
  position: relative;
  padding-left: 1.2rem;
}
.plan__perks li::before {
  content: '◉';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.7em;
  top: 0.4em;
}

/* ═══════════ Industry tags (clients) ═══════════ */
.industries {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}
.industry {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.45rem 0.9rem;
  border: 1px dashed var(--rule-2);
  color: var(--ink-2);
  border-radius: 2px;
  transition: color 0.2s, border-color 0.2s;
}
.industry:hover {
  color: var(--accent);
  border-color: var(--accent);
  border-style: solid;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ════════════════════════════════════════════════════════════
   v4 "Observatory Pro" — Additive UI refinement layer
   (loader, noise, live rail, progress ring, particles, tilt,
    counters, path draw, section dividers, magnetic text)
   ════════════════════════════════════════════════════════════ */

/* ─── Pre-loader (intro animation) ─── */
.preloader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 9999;
  display: grid;
  place-items: center;
  transition: opacity 0.8s var(--ease-out), visibility 0.8s;
}
.preloader.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.preloader__inner {
  text-align: center;
  position: relative;
}
.preloader__crosshair {
  position: absolute;
  width: 120px;
  height: 120px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.preloader__crosshair::before,
.preloader__crosshair::after {
  content: '';
  position: absolute;
  background: var(--accent);
  opacity: 0.5;
}
.preloader__crosshair::before {
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  transform: translateX(-50%);
  animation: ph-grow-v 1.2s var(--ease-out) forwards;
}
.preloader__crosshair::after {
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  transform: translateY(-50%);
  animation: ph-grow-h 1.2s 0.1s var(--ease-out) forwards;
}
@keyframes ph-grow-v {
  0%   { height: 0; top: 50%; bottom: auto; }
  100% { height: 100%; top: 0; bottom: 0; }
}
@keyframes ph-grow-h {
  0%   { width: 0; left: 50%; right: auto; }
  100% { width: 100%; left: 0; right: 0; }
}
.preloader__logo {
  font-family: var(--ff-serif);
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
  position: relative;
  z-index: 2;
  color: var(--ink);
  opacity: 0;
  animation: ph-logo-in 0.7s 0.35s var(--ease-out) forwards;
}
.preloader__logo .em {
  color: var(--accent);
  font-style: italic;
}
.preloader__logo .dot {
  color: var(--accent-2);
}
@keyframes ph-logo-in {
  0%   { opacity: 0; transform: translateY(14px); filter: blur(8px); }
  100% { opacity: 1; transform: translateY(0); filter: blur(0); }
}
.preloader__meta {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-top: 1.2rem;
  opacity: 0;
  animation: ph-meta-in 0.5s 0.9s var(--ease-out) forwards;
}
@keyframes ph-meta-in {
  0%   { opacity: 0; letter-spacing: 0.5em; }
  100% { opacity: 1; letter-spacing: 0.28em; }
}
.preloader__bar {
  position: absolute;
  left: 50%;
  bottom: -2.5rem;
  width: 180px;
  height: 1px;
  background: var(--rule);
  transform: translateX(-50%);
  overflow: hidden;
}
.preloader__bar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent);
  animation: ph-bar 1.6s var(--ease-out) forwards;
}
@keyframes ph-bar {
  0%   { transform: scaleX(0); transform-origin: left; }
  100% { transform: scaleX(1); transform-origin: left; }
}

/* ─── Fine grain / noise overlay ─── */
.grain {
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  opacity: 0.045;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain-shift 8s steps(8) infinite;
}
@keyframes grain-shift {
  0%, 100% { transform: translate(0, 0); }
  10%  { transform: translate(-2%, -3%); }
  20%  { transform: translate(-4%, 2%); }
  30%  { transform: translate(2%, -4%); }
  40%  { transform: translate(-2%, 5%); }
  50%  { transform: translate(-4%, 2%); }
  60%  { transform: translate(3%, 0%); }
  70%  { transform: translate(0, 3%); }
  80%  { transform: translate(-3%, 1%); }
  90%  { transform: translate(2%, 3%); }
}

/* ─── Live side rail (right side observer) ─── */
.liverail {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 80;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding: 0.9rem 0.9rem 0.9rem 1.2rem;
  border-left: 1px solid var(--rule-2);
  background: linear-gradient(90deg, transparent, rgba(10,9,8,0.3));
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  pointer-events: none;
  opacity: 0;
  animation: lr-in 0.8s 1.6s var(--ease-out) forwards;
}
@keyframes lr-in {
  0%   { opacity: 0; transform: translate(20px, -50%); }
  100% { opacity: 1; transform: translate(0, -50%); }
}
.liverail__row {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.liverail__key {
  font-size: 8px;
  color: var(--ink-4);
  letter-spacing: 0.3em;
}
.liverail__val {
  color: var(--ink-2);
  font-weight: 500;
}
.liverail__val.live {
  color: var(--accent);
}
.liverail__val .pulse {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-3);
  margin-right: 4px;
  vertical-align: 1px;
  animation: lr-pulse 1.6s ease-in-out infinite;
}
@keyframes lr-pulse {
  0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 0 0 var(--accent-3); }
  50%      { opacity: 0.6; transform: scale(1.2); box-shadow: 0 0 0 6px transparent; }
}
@media (max-width: 980px) {
  .liverail { display: none; }
}

/* ─── Scroll progress ring (top-right) ─── */
.progress-ring {
  position: fixed;
  top: calc(var(--pad) + 50px);
  right: var(--pad);
  width: 46px;
  height: 46px;
  z-index: 80;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
}
.progress-ring.is-visible { opacity: 1; }
.progress-ring__track,
.progress-ring__fill {
  fill: none;
  stroke-width: 1.6;
}
.progress-ring__track { stroke: var(--rule-2); }
.progress-ring__fill {
  stroke: var(--accent);
  stroke-linecap: round;
  stroke-dasharray: 125.6;
  stroke-dashoffset: 125.6;
  transition: stroke-dashoffset 0.15s linear;
  transform: rotate(-90deg);
  transform-origin: center;
}
.progress-ring__pct {
  fill: var(--ink-2);
  font-family: var(--ff-mono);
  font-size: 10px;
  text-anchor: middle;
  dominant-baseline: central;
  letter-spacing: 0;
}
@media (max-width: 820px) {
  .progress-ring { display: none; }
}

/* ─── Hero floating particles ─── */
.particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.particles span {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--ink-2);
  border-radius: 50%;
  opacity: 0;
  animation: particle-float var(--dur, 20s) linear infinite;
  animation-delay: var(--delay, 0s);
}
.particles span:nth-child(4n)   { background: var(--accent); width: 3px; height: 3px; }
.particles span:nth-child(5n+1) { background: var(--accent-3); }
.particles span:nth-child(7n+2) { background: var(--accent-4); }
.particles span:nth-child(11n+3){ background: var(--accent-5); }
@keyframes particle-float {
  0%   { opacity: 0; transform: translateY(0) translateX(0); }
  10%  { opacity: 0.6; }
  90%  { opacity: 0.5; }
  100% { opacity: 0; transform: translateY(-120vh) translateX(var(--dx, 20px)); }
}

/* ─── Character split reveal ─── */
.split-char {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.5em);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
  transition-delay: calc(var(--i, 0) * 30ms);
}
.split-char.is-in {
  opacity: 1;
  transform: translateY(0);
}

/* ─── SVG path drawing on reveal ─── */
.product__svg path,
.product__svg circle,
.product__svg line {
  stroke-dasharray: 600;
  stroke-dashoffset: 600;
  transition: stroke-dashoffset 1.8s var(--ease-out);
}
.product.is-revealed .product__svg path,
.product.is-revealed .product__svg circle,
.product.is-revealed .product__svg line {
  stroke-dashoffset: 0;
}
.product.is-revealed .product__svg path:nth-child(n) { transition-delay: 0.2s; }
.product.is-revealed .product__svg circle[fill]      { transition: opacity 0.6s 1.2s; }

/* ─── 3D tilt cards (products, services) ─── */
.tilt {
  transform-style: preserve-3d;
  transition: transform 0.4s var(--ease-out);
  will-change: transform;
}
.tilt:hover { transition: transform 0.1s var(--ease-out); }
.tilt > * {
  transform-style: preserve-3d;
  transform: translateZ(0);
}

/* Extra "shine" sweep on tilt cards */
.tilt-shine {
  position: relative;
  overflow: hidden;
}
.tilt-shine::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 50%;
  height: 200%;
  background: linear-gradient(
    115deg,
    transparent 0%,
    rgba(255,210,63,0) 35%,
    rgba(255,210,63,0.06) 50%,
    rgba(255,210,63,0) 65%,
    transparent 100%
  );
  transform: translateX(-200%) skewX(-15deg);
  pointer-events: none;
  transition: transform 0.9s var(--ease-out);
}
.tilt-shine:hover::after {
  transform: translateX(400%) skewX(-15deg);
}

/* ─── Number counter (ticker-style) ─── */
.stat__num[data-count] .count-digit {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

/* ─── Section transition dividers ─── */
.section-divider {
  position: relative;
  padding: 0;
  margin: 0;
}
.section-divider__line {
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 4rem var(--pad);
  font-family: var(--ff-mono);
  font-size: 9px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.section-divider__line::before,
.section-divider__line::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--rule-2) 20%, var(--rule-2) 80%, transparent);
}
.section-divider__mark {
  color: var(--accent);
  font-size: 14px;
}

/* ─── Magnetic reveal text (for mega titles) ─── */
.mask-line {
  display: block;
  overflow: hidden;
}
.mask-line__inner {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 0.9s var(--ease-out);
  transition-delay: var(--d, 0s);
}
.mask-line.is-in .mask-line__inner {
  transform: translateY(0);
}

/* ─── Enhanced hero: starfield backdrop ─── */
.hero__stars {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.hero__stars svg { width: 100%; height: 100%; }
.hero__stars circle {
  animation: star-twinkle var(--td, 3s) ease-in-out infinite;
  animation-delay: var(--dl, 0s);
}
@keyframes star-twinkle {
  0%, 100% { opacity: 0.15; }
  50%      { opacity: 0.9; }
}

/* ─── Observatory badge (corner decoration on sections) ─── */
.obs-badge {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--ff-mono);
  font-size: 9px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.obs-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border: 1px solid var(--accent);
  border-radius: 50%;
}

/* ─── Enhanced magnetic btn (with accent distortion) ─── */
.btn {
  transition: background 0.3s var(--ease), color 0.3s var(--ease),
              transform 0.2s var(--ease-out), letter-spacing 0.3s var(--ease);
}
.btn:hover {
  letter-spacing: 0.08em;
}
.btn:hover .btn__arrow {
  transform: translateX(4px) rotate(-6deg);
}

/* ─── Product card enhancement on hover ─── */
.product {
  position: relative;
  transition: transform 0.5s var(--ease-out),
              border-color 0.3s var(--ease);
}
.product::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid transparent;
  pointer-events: none;
  transition: border-color 0.4s var(--ease);
}
.product:hover::before {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(255,210,63,0.05),
              inset 0 0 40px rgba(255,210,63,0.02);
}
.product[data-product="tenka"]:hover::before      { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(255,210,63,0.05); }
.product[data-product="ocas"]:hover::before       { border-color: var(--accent-4); box-shadow: 0 0 0 4px rgba(167,139,250,0.05); }
.product[data-product="priceradar"]:hover::before { border-color: var(--accent-3); box-shadow: 0 0 0 4px rgba(110,231,183,0.05); }

/* Product number huge with glow on hover */
.product__num {
  transition: color 0.4s, text-shadow 0.4s;
}
.product:hover .product__num {
  color: var(--accent);
  text-shadow: 0 0 24px currentColor;
}
.product[data-product="ocas"]:hover .product__num       { color: var(--accent-4); }
.product[data-product="priceradar"]:hover .product__num { color: var(--accent-3); }

/* ─── Services card ↗ arrow motion (enhanced) ─── */
.service {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.service::before {
  content: '';
  position: absolute;
  inset: auto auto -50% -50%;
  width: 180%;
  height: 100%;
  background: radial-gradient(circle at center, var(--accent) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.5s, transform 0.8s var(--ease-out);
  transform: translateY(20%);
  pointer-events: none;
  z-index: -1;
  mix-blend-mode: overlay;
}
.service:hover::before {
  opacity: 0.12;
  transform: translateY(0);
}
.service[data-service="advisory"]::before { background: radial-gradient(circle at center, var(--accent) 0%, transparent 60%); }
.service[data-service="contract"]::before { background: radial-gradient(circle at center, var(--accent-4) 0%, transparent 60%); }
.service[data-service="ai"]::before       { background: radial-gradient(circle at center, var(--accent-3) 0%, transparent 60%); }
.service[data-service="launch"]::before   { background: radial-gradient(circle at center, var(--accent-2) 0%, transparent 60%); }

/* ─── Marquee variant 2 (editorial) for other pages ─── */
.editorial-marquee {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 2rem 0;
  overflow: hidden;
  position: relative;
  background: linear-gradient(90deg, var(--bg) 0%, var(--bg-1) 50%, var(--bg) 100%);
}
.editorial-marquee__track {
  display: flex;
  gap: 3rem;
  width: max-content;
  animation: em-scroll 38s linear infinite;
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: clamp(2rem, 5vw, 4rem);
  color: var(--ink-3);
  font-weight: 400;
  white-space: nowrap;
}
.editorial-marquee__track span.em  { color: var(--accent); font-style: italic; }
.editorial-marquee__track span.em2 { color: var(--accent-4); font-style: italic; }
.editorial-marquee__track span.em3 { color: var(--accent-3); font-style: italic; }
.editorial-marquee__track span.mark {
  color: var(--ink-4);
  margin: 0 1rem;
  font-family: var(--ff-mono);
  font-style: normal;
  font-size: 0.5em;
  vertical-align: 0.4em;
}
@keyframes em-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ─── Page header variant (non-hero pages) ─── */
.pagehero {
  position: relative;
  padding: clamp(8rem, 16vh, 12rem) 0 clamp(4rem, 8vh, 6rem);
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
}
.pagehero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle 600px at 20% 20%, rgba(255,210,63,0.04), transparent 60%),
    radial-gradient(circle 400px at 80% 80%, rgba(167,139,250,0.04), transparent 60%);
  pointer-events: none;
}
.pagehero__crumbs {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 1.6rem;
  display: flex;
  gap: 0.6rem;
  align-items: center;
}
.pagehero__crumbs::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent);
}
.pagehero__title {
  font-family: var(--ff-serif);
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin-bottom: 1.4rem;
}
.pagehero__title .em    { font-style: italic; color: var(--accent); }
.pagehero__title .em2   { font-style: italic; color: var(--accent-4); }
.pagehero__title .small { font-family: var(--ff-sans); font-size: 0.3em; letter-spacing: 0.2em; color: var(--ink-3); vertical-align: 0.8em; text-transform: uppercase; margin-left: 0.6rem; font-style: normal; }
.pagehero__lede {
  font-family: var(--ff-mincho);
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  line-height: 2;
  color: var(--ink-2);
  max-width: 760px;
  letter-spacing: 0.02em;
  margin-top: 1.4rem;
}
.pagehero__lede strong {
  color: var(--accent);
  font-weight: 600;
  font-style: normal;
  border-bottom: 1px dashed var(--accent);
  padding-bottom: 1px;
}

/* ─── Product detail page enhancements ─── */
.product-detail {
  position: relative;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: clamp(4rem, 8vh, 6rem) 0;
}
.product-detail + .product-detail { border-top: none; }
.product-detail__head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: end;
  gap: 2rem;
  margin-bottom: 3rem;
}
.product-detail__idx {
  font-family: var(--ff-mono);
  font-size: clamp(3rem, 7vw, 6rem);
  color: var(--ink-4);
  line-height: 0.8;
  letter-spacing: -0.02em;
}
.product-detail__name {
  font-family: var(--ff-serif);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1;
}
.product-detail__name .jp {
  display: block;
  font-family: var(--ff-sans);
  font-size: 0.35em;
  color: var(--ink-3);
  font-weight: 400;
  letter-spacing: 0.1em;
  margin-top: 0.6rem;
}
.product-detail__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 0.7rem 1.1rem;
  border: 1px solid var(--accent);
  transition: background 0.3s, color 0.3s;
}
.product-detail__link:hover {
  background: var(--accent);
  color: var(--bg);
}
.product-detail__body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 820px) {
  .product-detail__head { grid-template-columns: 1fr; gap: 1rem; }
  .product-detail__body { grid-template-columns: 1fr; gap: 2rem; }
}
.product-detail__lede {
  font-family: var(--ff-mincho);
  font-size: 1.05rem;
  line-height: 2;
  color: var(--ink-2);
}
.product-detail__lede strong {
  color: var(--accent);
  font-weight: 500;
  font-style: normal;
  border-bottom: 1px dashed var(--accent);
}
.product-detail__specs {
  display: grid;
  gap: 0.8rem;
  padding: 1.4rem 1.6rem;
  background: var(--bg-1);
  border-left: 2px solid var(--accent);
}
.product-detail__spec {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1rem;
  font-size: 13px;
  line-height: 1.7;
  border-bottom: 1px dashed var(--rule);
  padding-bottom: 0.6rem;
}
.product-detail__spec:last-child { border-bottom: none; padding-bottom: 0; }
.product-detail__spec dt {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding-top: 3px;
}
.product-detail__spec dd {
  color: var(--ink-2);
}

/* Per-product accent overrides for detail page */
.product-detail[data-product="tenka"]      .product-detail__specs { border-color: var(--accent); }
.product-detail[data-product="tenka"]      .product-detail__link  { color: var(--accent); border-color: var(--accent); }
.product-detail[data-product="tenka"]      .product-detail__link:hover { background: var(--accent); color: var(--bg); }
.product-detail[data-product="ocas"]       .product-detail__specs { border-color: var(--accent-4); }
.product-detail[data-product="ocas"]       .product-detail__link  { color: var(--accent-4); border-color: var(--accent-4); }
.product-detail[data-product="ocas"]       .product-detail__link:hover { background: var(--accent-4); color: var(--bg); }
.product-detail[data-product="ocas"]       .product-detail__lede strong { color: var(--accent-4); border-color: var(--accent-4); }
.product-detail[data-product="priceradar"] .product-detail__specs { border-color: var(--accent-3); }
.product-detail[data-product="priceradar"] .product-detail__link  { color: var(--accent-3); border-color: var(--accent-3); }
.product-detail[data-product="priceradar"] .product-detail__link:hover { background: var(--accent-3); color: var(--bg); }
.product-detail[data-product="priceradar"] .product-detail__lede strong { color: var(--accent-3); border-color: var(--accent-3); }

/* ─── Contact form (enhanced) ─── */
.contactform {
  display: grid;
  gap: 1.6rem;
  max-width: 720px;
}
.contactform__row {
  display: grid;
  gap: 0.5rem;
}
.contactform__row--2col {
  grid-template-columns: 1fr 1fr;
}
@media (max-width: 640px) {
  .contactform__row--2col { grid-template-columns: 1fr; }
}
.contactform__label {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.contactform__label .req {
  color: var(--accent-2);
  font-size: 12px;
}
.contactform__input,
.contactform__select,
.contactform__textarea {
  width: 100%;
  background: var(--bg-1);
  border: 1px solid var(--rule-2);
  padding: 0.9rem 1rem;
  color: var(--ink);
  font-family: var(--ff-sans);
  font-size: 15px;
  border-radius: 2px;
  transition: border-color 0.2s, background 0.2s;
}
.contactform__input:focus,
.contactform__select:focus,
.contactform__textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-2);
}
.contactform__textarea {
  min-height: 180px;
  resize: vertical;
  line-height: 1.7;
  font-family: var(--ff-sans);
}
.contactform__submit {
  justify-self: start;
  margin-top: 1rem;
}
.contactform__note {
  font-size: 12px;
  color: var(--ink-3);
  line-height: 1.7;
  padding: 1rem 1.2rem;
  border-left: 2px solid var(--accent);
  background: var(--bg-1);
}
.contactform__note strong { color: var(--accent); }

/* ─── About page: timeline ─── */
.timeline {
  display: grid;
  gap: 0;
  position: relative;
  padding-left: 2rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.4rem;
  bottom: 0.4rem;
  width: 1px;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-4) 50%, var(--accent-3) 100%);
}
.timeline__item {
  padding: 1.5rem 0;
  position: relative;
  border-bottom: 1px dashed var(--rule);
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1.5rem;
  align-items: start;
}
.timeline__item:last-child { border-bottom: none; }
.timeline__item::before {
  content: '';
  position: absolute;
  left: -2.4rem;
  top: 1.9rem;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--bg), 0 0 0 5px var(--rule-2);
}
.timeline__item:nth-child(2n)::before   { background: var(--accent-4); }
.timeline__item:nth-child(3n)::before   { background: var(--accent-3); }
.timeline__item:nth-child(5n+1)::before { background: var(--accent-2); }
.timeline__date {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding-top: 4px;
}
.timeline__title {
  font-family: var(--ff-serif);
  font-size: 1.3rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--ink);
}
.timeline__desc {
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.8;
}
@media (max-width: 640px) {
  .timeline__item { grid-template-columns: 1fr; gap: 0.4rem; }
}

/* ─── Value pillars (about page) ─── */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}
@media (max-width: 820px) { .pillars { grid-template-columns: 1fr; } }
.pillar {
  padding: 2rem 1.8rem;
  background: var(--bg-1);
  border: 1px solid var(--rule);
  position: relative;
  transition: border-color 0.3s, transform 0.3s var(--ease-out);
}
.pillar:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}
.pillar__idx {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-3);
  margin-bottom: 1.2rem;
}
.pillar__title {
  font-family: var(--ff-serif);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 0.8rem;
  line-height: 1.3;
}
.pillar__title .em { font-style: italic; color: var(--accent); }
.pillar:nth-child(2) .pillar__title .em { color: var(--accent-4); }
.pillar:nth-child(3) .pillar__title .em { color: var(--accent-3); }
.pillar__desc {
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-2);
}
.pillar__deco {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  opacity: 0.3;
  transition: opacity 0.3s, transform 0.4s var(--ease-out);
}
.pillar:hover .pillar__deco {
  opacity: 0.9;
  transform: rotate(15deg) scale(1.1);
}