/* ============================================================
   TUWEI Innovation — LP redesign
   Tone: tech-editorial. Warm off-white paper + ink black + electric blue accent.
   ============================================================ */

:root {
  /* Palette */
  --paper: oklch(0.985 0.005 85);
  --paper-2: oklch(0.955 0.008 85);
  --ink: oklch(0.16 0.015 260);
  --ink-2: oklch(0.28 0.015 260);
  --muted: oklch(0.55 0.012 260);
  --line: oklch(0.86 0.01 260);
  --accent: oklch(0.52 0.19 262);   /* electric blue */
  --accent-2: oklch(0.62 0.19 30);  /* vermilion / 朱 */

  /* Type */
  --serif: "Newsreader", "Noto Serif JP", Georgia, serif;
  --serif-jp: "Noto Serif JP", "Newsreader", serif;
  --sans: "Inter Tight", "Noto Sans JP", -apple-system, system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* Layout */
  --gutter: clamp(20px, 4vw, 56px);
  --maxw: 1440px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  font-feature-settings: "ss01", "cv11";
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: var(--paper); }

/* ---------- utilities ---------- */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.mono {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.rule {
  height: 1px;
  background: var(--line);
  width: 100%;
}
.kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.kicker::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--accent-2);
}

.section-title {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(32px, 5vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  white-space: pre-line;
  text-wrap: balance;
}

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: color-mix(in oklab, var(--paper) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.nav.scrolled { border-bottom-color: var(--line); }
.nav-brand {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 28px;
  letter-spacing: 0.02em;
  display: flex;
  align-items: baseline;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
  transition: opacity 0.2s;
}
.nav-brand > span:first-child {
  text-transform: uppercase;
  font-feature-settings: "ss01" on;
}
.nav-brand:hover { opacity: 0.75; }
.nav-brand .sub {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
}
.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}
.nav-links a {
  font-size: 13px;
  color: var(--ink-2);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--accent); }
.lang-switch {
  display: flex;
  gap: 2px;
  font-family: var(--mono);
  font-size: 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
}
.lang-switch button {
  background: transparent;
  border: 0;
  padding: 4px 10px;
  cursor: pointer;
  border-radius: 999px;
  color: var(--muted);
  letter-spacing: 0.08em;
  font-family: inherit;
  transition: all 0.15s;
}
.lang-switch button.active {
  background: var(--ink);
  color: var(--paper);
}

/* ---------- Hero ---------- */
.hero {
  padding: 140px var(--gutter) 80px;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 60px;
  max-width: var(--maxw);
  margin: 0 auto;
  align-items: center;
}
.hero-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-eyebrow::before {
  content: "";
  width: 30px;
  height: 1px;
  background: var(--accent);
}
.hero-eyebrow-brand {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 4px 10px;
  border: 1px solid color-mix(in oklab, var(--accent) 35%, transparent);
  background: color-mix(in oklab, var(--accent) 8%, transparent);
  border-radius: 2px;
}
.hero-eyebrow-sep {
  color: color-mix(in oklab, var(--paper) 40%, var(--ink));
  opacity: 0.5;
}
.hero-eyebrow-est {
  font-weight: 500;
  color: var(--muted);
}
[lang="en"] .hero-eyebrow-brand,
[lang="zh"] .hero-eyebrow-brand {
  letter-spacing: 0.14em;
}
.hero-title {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(44px, 7.4vw, 112px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin-bottom: 36px;
}
.hero-title > span {
  display: block;
}
.hero-title .bottom {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  color: var(--ink-2);
  /* Latin fallback for EN gets a slightly tighter feel; JP stays legible via block + line-height */
  line-height: 1.08;
  margin-top: 0.02em;
}
/* When language is Latin, allow tighter display */
html[lang="en"] .hero-title {
  font-size: clamp(48px, 8vw, 128px);
  line-height: 1.02;
  letter-spacing: -0.03em;
}
.hero-lead {
  max-width: 540px;
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.65;
  color: var(--ink-2);
  margin-bottom: 44px;
  text-wrap: pretty;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 18px 30px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  border-radius: 999px;
  font-size: 14px;
  letter-spacing: 0.02em;
  transition: all 0.2s;
}
.hero-cta:hover {
  background: var(--accent);
  transform: translateX(4px);
}
.hero-cta .arrow {
  width: 18px; height: 1px;
  background: var(--paper);
  position: relative;
}
.hero-cta .arrow::after {
  content: ""; position: absolute;
  right: 0; top: -3px;
  width: 7px; height: 7px;
  border-top: 1px solid var(--paper);
  border-right: 1px solid var(--paper);
  transform: rotate(45deg);
}
.hero-cta-sub {
  display: inline-block;
  margin-left: 16px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.05em;
}

.hero-vis {
  position: relative;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--line);
  background: var(--paper-2);
  border-radius: 4px;
  overflow: hidden;
}
.hero-vis canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
.hero-vis-label {
  position: absolute;
  top: 16px; left: 16px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.hero-vis-corner {
  position: absolute;
  bottom: 16px; right: 16px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.1em;
}
.hero-vis-corner b { color: var(--accent-2); font-weight: normal; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 80px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}
.hero-stat .num {
  font-family: var(--serif);
  font-size: clamp(40px, 4vw, 56px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 8px;
}
.hero-stat .lab {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---------- Manifesto strip ---------- */
.manifesto {
  padding: 120px var(--gutter);
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
}
.manifesto-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}
.manifesto-line {
  font-family: var(--serif-jp);
  font-weight: 400;
  font-size: clamp(32px, 5.5vw, 84px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.manifesto-line em {
  font-family: var(--serif);
  font-style: italic;
  color: color-mix(in oklab, var(--accent) 80%, var(--paper));
}
.manifesto-caption {
  margin-top: 32px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--paper) 55%, var(--ink));
}

/* ---------- Services ---------- */
.services {
  padding: 140px var(--gutter);
}
.services-head {
  max-width: var(--maxw);
  margin: 0 auto 80px;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: end;
}
.services-list {
  max-width: var(--maxw);
  margin: 0 auto;
  border-top: 1px solid var(--ink);
}
.service {
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 80px 1fr 2fr 60px;
  gap: 40px;
  align-items: start;
  position: relative;
  transition: background 0.3s;
}
.service:hover {
  background: color-mix(in oklab, var(--paper-2) 60%, transparent);
}
.service-num {
  font-family: var(--serif);
  font-size: 40px;
  font-weight: 400;
  color: var(--accent-2);
  line-height: 1;
}
.service-tag {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.12em;
  padding-top: 12px;
}
.service-title {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(22px, 2.2vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}
.service-body {
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.7;
  max-width: 620px;
  text-wrap: pretty;
}
.service-arrow {
  align-self: center;
  justify-self: end;
  width: 40px; height: 40px;
  border: 1px solid var(--line);
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.service:hover .service-arrow {
  background: var(--ink);
  border-color: var(--ink);
}
.service-arrow::after {
  content: "→";
  color: var(--ink);
  font-family: var(--serif);
  transition: color 0.2s;
}
.service:hover .service-arrow::after { color: var(--paper); }

/* ---------- Product ---------- */
.product {
  padding: 140px var(--gutter);
  background: var(--paper-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.product-inner { max-width: var(--maxw); margin: 0 auto; }
.product-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: end;
  margin-bottom: 80px;
}
.product-title {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(40px, 6vw, 88px);
  line-height: 1;
  letter-spacing: -0.025em;
  white-space: pre-line;
}
.product-title em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}
.product-subtitle {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.08em;
  margin: 24px 0 20px;
}
.product-body {
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.7;
  text-wrap: pretty;
}

/* Flow diagram */
.flow {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 40px;
  margin-bottom: 80px;
  overflow-x: auto;
}
.flow-lane {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 24px;
  align-items: center;
  padding: 24px 0;
}
.flow-lane + .flow-lane { border-top: 1px dashed var(--line); }
.flow-lane-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  padding: 8px 0;
  border-left: 2px solid var(--accent);
  padding-left: 12px;
}
.flow-lane-label.admin { border-left-color: var(--accent-2); }
.flow-chain {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  min-width: 0;
}
.flow-node {
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
  font-size: 13px;
  color: var(--ink);
  white-space: nowrap;
  font-family: var(--sans);
}
.flow-node.hub {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.flow-node.accent {
  border-color: var(--accent);
  color: var(--accent);
  background: color-mix(in oklab, var(--accent) 8%, var(--paper));
}
.flow-arrow {
  color: var(--muted);
  font-family: var(--mono);
}
.flow-branch {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 8px;
  border-left: 1px solid var(--line);
}
.flow-branch-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}
.flow-branch-row .tag {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.08em;
  min-width: 66px;
}

/* Product feature grid */
.product-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}
.pfeature {
  border-top: 1px solid var(--ink);
  padding-top: 24px;
}
.pfeature-num {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.12em;
  margin-bottom: 20px;
}
.pfeature-t {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 20px;
  line-height: 1.3;
  margin-bottom: 10px;
}
.pfeature-d {
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.6;
}

.product-cases {
  border-top: 1px solid var(--line);
  padding-top: 40px;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
}
.product-cases-title {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.product-cases-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 40px;
}
.product-cases-list li {
  list-style: none;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.product-cases-list li::before {
  content: "→";
  color: var(--accent);
  font-family: var(--serif);
}

/* ============================================================
   AI LINEUP  (5 services — accordion cards)
   ============================================================ */
.lineup {
  padding: 140px var(--gutter) 40px;
}
.lineup-inner { max-width: var(--maxw); margin: 0 auto; }
.lineup-head {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: end;
  margin-bottom: 80px;
}
.lineup-lead {
  color: var(--ink-2);
  font-size: 16px;
  line-height: 1.75;
  max-width: 640px;
  text-wrap: pretty;
}

.lineup-list {
  border-top: 1px solid var(--ink);
}
.lineup-item {
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.lineup-head-row {
  display: grid;
  grid-template-columns: 90px 1fr auto 60px;
  gap: 32px;
  padding: 40px 0;
  align-items: center;
  cursor: pointer;
  transition: color 0.2s;
  user-select: none;
}
.lineup-head-row:hover .lineup-item-title { color: var(--accent); }

.lineup-num {
  font-family: var(--serif);
  font-size: 32px;
  color: var(--accent-2);
  line-height: 1;
}
.lineup-item-title {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(22px, 2.2vw, 30px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  transition: color 0.2s;
}
.lineup-item-sub {
  display: block;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 15px;
  color: var(--muted);
  margin-top: 6px;
  letter-spacing: 0;
}
.lineup-item-tag {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  align-self: center;
  white-space: nowrap;
}
.lineup-toggle {
  width: 40px; height: 40px;
  border-radius: 999px;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  justify-self: end;
  position: relative;
  transition: all 0.2s;
}
.lineup-toggle::before,
.lineup-toggle::after {
  content: "";
  position: absolute;
  background: var(--ink);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.lineup-toggle::before { width: 14px; height: 1px; }
.lineup-toggle::after { width: 1px; height: 14px; }
.lineup-item.open .lineup-toggle {
  background: var(--ink);
  border-color: var(--ink);
}
.lineup-item.open .lineup-toggle::before,
.lineup-item.open .lineup-toggle::after {
  background: var(--paper);
}
.lineup-item.open .lineup-toggle::after {
  transform: scaleY(0);
}

.lineup-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.lineup-item.open .lineup-body {
  max-height: 2400px;
}
.lineup-body-inner {
  padding: 0 0 56px;
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 32px;
}
.lineup-body-lead {
  grid-column: 2 / -1;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.75;
  max-width: 760px;
  margin-bottom: 40px;
  text-wrap: pretty;
}
.lineup-columns {
  grid-column: 2 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.lineup-col-t {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.lineup-col-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.lineup-col-list li {
  padding: 10px 0;
  font-size: 13.5px;
  color: var(--ink);
  line-height: 1.55;
  border-bottom: 1px dashed color-mix(in oklab, var(--line) 60%, transparent);
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.lineup-col-list li::before {
  content: "→";
  color: var(--accent);
  font-family: var(--serif);
  flex-shrink: 0;
  font-size: 12px;
  padding-top: 1px;
}
.lineup-col-list.effects li::before { color: var(--accent-2); }

/* ============================================================
   PACKAGE  (recommended)
   ============================================================ */
.pkg {
  padding: 100px var(--gutter);
  background: var(--ink);
  color: var(--paper);
  position: relative;
}
.pkg-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}
.pkg-card {
  border: 1px solid color-mix(in oklab, var(--paper) 15%, var(--ink));
  border-radius: 6px;
  padding: 60px;
  position: relative;
  background:
    radial-gradient(ellipse at top right, color-mix(in oklab, var(--accent) 18%, transparent), transparent 60%),
    var(--ink);
}
.pkg-badge {
  position: absolute;
  top: -12px;
  left: 60px;
  padding: 6px 14px;
  background: var(--accent-2);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  border-radius: 999px;
}
.pkg-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: end;
  margin-bottom: 60px;
  padding-bottom: 40px;
  border-bottom: 1px solid color-mix(in oklab, var(--paper) 15%, var(--ink));
}
.pkg .kicker { color: color-mix(in oklab, var(--paper) 60%, var(--ink)); }
.pkg .kicker::before { background: var(--accent-2); }
.pkg-title {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(32px, 4.2vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  white-space: pre-line;
  margin-top: 24px;
}
.pkg-body {
  color: color-mix(in oklab, var(--paper) 75%, var(--ink));
  font-size: 15px;
  line-height: 1.7;
  max-width: 520px;
  text-wrap: pretty;
}
.pkg-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.pkg-col-t {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--paper) 55%, var(--ink));
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid color-mix(in oklab, var(--paper) 20%, var(--ink));
}
.pkg-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.pkg-col li {
  padding: 8px 0;
  font-size: 13.5px;
  line-height: 1.55;
  color: color-mix(in oklab, var(--paper) 90%, var(--ink));
  display: flex;
  gap: 10px;
}
.pkg-col li::before {
  content: "●";
  color: var(--accent);
  font-size: 8px;
  padding-top: 8px;
  flex-shrink: 0;
}

/* ============================================================
   WHY US (4 columns)
   ============================================================ */
.why {
  padding: 140px var(--gutter);
}
.why-inner { max-width: var(--maxw); margin: 0 auto; }
.why-head {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: end;
  margin-bottom: 80px;
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.why-item {
  border-top: 1px solid var(--ink);
  padding-top: 24px;
}
.why-n {
  font-family: var(--serif);
  font-size: 40px;
  font-weight: 400;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 32px;
}
.why-t {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 20px;
  line-height: 1.3;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}
.why-d {
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.65;
  text-wrap: pretty;
}

/* ============================================================
   PoC CTA
   ============================================================ */
.poc {
  padding: 140px var(--gutter);
  background: var(--paper-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.poc-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.poc-title {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(40px, 6vw, 84px);
  line-height: 1;
  letter-spacing: -0.025em;
  white-space: pre-line;
  margin-top: 24px;
}
.poc-body {
  color: var(--ink-2);
  font-size: 16px;
  line-height: 1.75;
  margin-bottom: 32px;
  text-wrap: pretty;
}
.poc-close {
  font-family: var(--serif);
  font-style: italic;
  font-size: 20px;
  color: var(--ink);
  margin-bottom: 40px;
  line-height: 1.4;
  padding: 20px 0 20px 24px;
  border-left: 2px solid var(--accent);
}
.poc-cta {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 20px 34px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  border-radius: 999px;
  font-size: 14px;
  transition: all 0.2s;
}
.poc-cta:hover {
  background: var(--accent);
  transform: translateX(4px);
}

/* ---------- Team ---------- */
.team {
  padding: 140px var(--gutter);
}
.team-inner { max-width: var(--maxw); margin: 0 auto; }
.team-head {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: end;
  margin-bottom: 80px;
}
.team-body {
  color: var(--ink-2);
  font-size: 16px;
  line-height: 1.7;
  text-wrap: pretty;
  max-width: 580px;
}

.team-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}
.member-photo {
  aspect-ratio: 4 / 5;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
  background-image:
    repeating-linear-gradient(45deg,
      transparent 0, transparent 20px,
      color-mix(in oklab, var(--ink) 4%, transparent) 20px,
      color-mix(in oklab, var(--ink) 4%, transparent) 21px);
}
.member-photo::after {
  content: "photograph placeholder";
  position: absolute;
  bottom: 12px; left: 12px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.08em;
}
.member-info {
  padding-top: 20px;
}
.member-tags {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}
.member-name {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(36px, 4vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.member-name .en {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 0.6em;
  color: var(--muted);
  margin-left: 16px;
  vertical-align: middle;
}
.member-role {
  font-family: var(--serif);
  font-style: italic;
  color: var(--ink-2);
  font-size: 18px;
  margin-bottom: 32px;
}
.member-bio {
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.7;
  max-width: 520px;
  text-wrap: pretty;
}

/* ---------- Contact ---------- */
.contact {
  padding: 140px var(--gutter);
  background: var(--ink);
  color: var(--paper);
}
.contact-inner { max-width: var(--maxw); margin: 0 auto; }
.contact-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: end;
  margin-bottom: 80px;
}
.contact .kicker { color: color-mix(in oklab, var(--paper) 60%, var(--ink)); }
.contact .kicker::before { background: var(--accent-2); }
.contact-title {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(56px, 9vw, 140px);
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-top: 24px;
}
.contact-body {
  color: color-mix(in oklab, var(--paper) 75%, var(--ink));
  font-size: 16px;
  line-height: 1.7;
  max-width: 480px;
  text-wrap: pretty;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  padding-top: 40px;
  border-top: 1px solid color-mix(in oklab, var(--paper) 20%, var(--ink));
  margin-bottom: 60px;
}
.contact-grid--2 {
  grid-template-columns: 1fr 1fr;
  max-width: 720px;
}
.contact-item .lab {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--paper) 50%, var(--ink));
  margin-bottom: 12px;
}
.contact-item .val {
  font-family: var(--serif);
  font-size: clamp(20px, 1.8vw, 26px);
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
  word-break: break-all;
}
a.contact-item .val:hover,
.contact-item a:hover .val {
  border-bottom-color: var(--accent);
}
.contact-item a { color: inherit; text-decoration: none; }

.contact-offices {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px 60px;
  padding-top: 40px;
  border-top: 1px solid color-mix(in oklab, var(--paper) 20%, var(--ink));
  margin-bottom: 80px;
}
.office.is-tbd .addr {
  color: color-mix(in oklab, var(--paper) 45%, var(--ink));
  font-style: italic;
}
.office .lab {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--paper) 50%, var(--ink));
  margin-bottom: 14px;
}
.office .addr {
  font-family: var(--serif-jp);
  font-size: 18px;
  line-height: 1.5;
  white-space: pre-line;
  color: var(--paper);
}

.contact-cta {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 22px 36px;
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  border-radius: 999px;
  font-size: 15px;
  transition: all 0.2s;
}
.contact-cta:hover {
  background: var(--accent);
  color: var(--paper);
}

/* ---------- Map ---------- */
.map {
  position: relative;
  aspect-ratio: 21/9;
  background: var(--ink);
  overflow: hidden;
  border-top: 1px solid color-mix(in oklab, var(--paper) 15%, var(--ink));
}
.map svg { width: 100%; height: 100%; display: block; }

/* ---------- Footer ---------- */
.footer {
  padding: 60px var(--gutter);
  background: var(--ink);
  color: color-mix(in oklab, var(--paper) 60%, var(--ink));
  font-size: 12px;
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
  font-family: var(--mono);
  letter-spacing: 0.06em;
}
.footer-tag {
  font-family: var(--serif);
  font-style: italic;
  font-size: 16px;
  color: var(--paper);
  letter-spacing: 0;
}

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero { padding-top: 120px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-vis { max-width: 480px; margin: 0 auto; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 60px; }
  .services-head { grid-template-columns: 1fr; gap: 30px; }
  .service {
    grid-template-columns: 60px 1fr 40px;
    gap: 20px;
  }
  .service-tag { display: none; }
  .product-head { grid-template-columns: 1fr; gap: 40px; }
  .product-features { grid-template-columns: repeat(2, 1fr); }
  .product-cases { grid-template-columns: 1fr; gap: 20px; }
  .product-cases-list { grid-template-columns: 1fr; }
  .team-head { grid-template-columns: 1fr; gap: 30px; }
  .team-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-head { grid-template-columns: 1fr; gap: 30px; }
  .contact-grid { grid-template-columns: 1fr; gap: 30px; }
  .contact-offices { grid-template-columns: 1fr; gap: 30px; }
  .flow-lane { grid-template-columns: 1fr; }
  .flow-lane-label { writing-mode: horizontal-tb; transform: none; border-left: 0; border-top: 2px solid var(--accent); padding: 8px 0 0 0; }
  .nav-links { gap: 16px; }
  .nav-links a:not(.lang) { display: none; }

  /* Lineup */
  .lineup-head { grid-template-columns: 1fr; gap: 30px; }
  .lineup-head-row {
    grid-template-columns: 60px 1fr 44px;
    gap: 16px;
    padding: 28px 0;
  }
  .lineup-item-tag { display: none; }
  .lineup-num { font-size: 24px; }
  .lineup-body-inner { grid-template-columns: 1fr; gap: 0; }
  .lineup-body-lead { grid-column: 1; }
  .lineup-columns { grid-column: 1; grid-template-columns: 1fr; gap: 32px; }

  /* Package */
  .pkg-card { padding: 40px 24px; }
  .pkg-badge { left: 24px; }
  .pkg-head { grid-template-columns: 1fr; gap: 30px; }
  .pkg-cols { grid-template-columns: 1fr; gap: 40px; }

  /* Why */
  .why-head { grid-template-columns: 1fr; gap: 30px; }
  .why-grid { grid-template-columns: 1fr 1fr; gap: 32px; }

  /* PoC */
  .poc-inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 640px) {
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .hero-stat:last-child { grid-column: span 2; }
  .product-features { grid-template-columns: 1fr; }
  .nav-brand .sub { display: none; }
  .why-grid { grid-template-columns: 1fr; }
}