:root {
  color-scheme: dark;
  --bg: #070b0e;
  --bg-deep: #030608;
  --surface: #0c1216;
  --surface-2: #11191f;
  --surface-3: #161f26;
  --metal: #aeb6bd;
  --ink-hi: #f1f4f5;
  --ink: #c6ccd0;
  --muted: #929ca3;
  --faint: #7b878f;
  --line: #26323a;
  --line-strong: #3b4b55;
  --cyan: #7fd4cf;
  --cyan-soft: rgba(127, 212, 207, 0.08);
  --cyan-line: rgba(127, 212, 207, 0.42);
  --amber: #ffbd54;
  --amber-soft: rgba(255, 189, 84, 0.08);
  --sans: "IBM Plex Sans VF", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --shell: min(1440px, calc(100vw - 72px));
  --ease: cubic-bezier(0.2, 0.75, 0.2, 1);
}

html:lang(ja) {
  --sans: "IBM Plex Sans JP", "Hiragino Sans", "Yu Gothic UI", sans-serif;
  --mono: "IBM Plex Mono", "IBM Plex Sans JP", "Hiragino Sans", monospace;
}
html:lang(zh-hant) {
  --sans: "IBM Plex Sans VF", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --mono: "IBM Plex Mono", "PingFang TC", "Microsoft JhengHei", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: hidden; scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; overflow-x: hidden; background: var(--bg); color: var(--ink); font: 400 17px/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
html:lang(ja) body { line-height: 1.78; }
html:lang(ja) .hero h1,
html:lang(ja) .section-heading h2,
html:lang(ja) .experience h2,
html:lang(ja) .about h2,
html:lang(ja) .scenarios h2,
html:lang(ja) .contact h2,
html:lang(ja) .privacy-notice h3,
html:lang(ja) .zero-program-heading h3,
html:lang(ja) .transparency-heading h3 { font-weight: 600; letter-spacing: -.008em; }
html:lang(ja) .hero-lede,
html:lang(ja) .experience-inline p,
html:lang(ja) .section-heading > p,
html:lang(ja) .service-card > p,
html:lang(ja) .experience-copy > p:not(.eyebrow),
html:lang(ja) .about-layout > div > p:last-child { letter-spacing: .01em; line-height: 1.82; }
html.contact-dialog-open { overflow: hidden; }
body.contact-dialog-open { position: fixed; inset-inline: 0; width: 100%; overflow: hidden; }
html.menu-open { overflow: hidden; }
body.menu-open { position: fixed; inset-inline: 0; width: 100%; overflow: hidden; }
button, input, select, textarea { font: inherit; }
button { border: 0; padding: 0; background: none; color: inherit; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.lattice-media,
.detail-lattice { touch-action: pan-y pinch-zoom; }
.lattice-media img,
.detail-lattice img {
  pointer-events: none;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link { position: fixed; z-index: 1000; top: 10px; left: 10px; padding: 10px 14px; background: var(--cyan); color: #021012; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

.site-header { --header-h: 98px; position: fixed; z-index: 50; inset: 0 0 auto; height: var(--header-h); border-bottom: 1px solid rgba(89, 104, 113, 0.22); background: rgba(3, 7, 9, 0.9); transition: height 180ms var(--ease), background-color 180ms var(--ease); }
.site-header.is-scrolled { --header-h: 76px; background: rgba(3, 7, 9, 0.97); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 36px; }
.brand { display: inline-flex; align-items: center; gap: 15px; min-width: max-content; }
.brand img { width: 55px; height: 55px; object-fit: cover; border: 1px solid #12191d; }
.brand-copy { display: grid; gap: 4px; }
.brand-copy strong { color: var(--ink-hi); font: 600 19px/1 var(--sans); letter-spacing: 0.28em; }
.brand-copy small { color: var(--faint); font: 600 11px/1.2 var(--sans); letter-spacing: 0.14em; text-transform: uppercase; }
.site-nav { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 38px); }
.site-nav > a, .language-switcher > button { color: var(--muted); font: 600 11px/1 var(--sans); letter-spacing: 0.08em; text-transform: uppercase; transition: color 150ms var(--ease); }
.site-nav > a:hover, .site-nav > a:focus-visible, .language-switcher > button:hover { color: var(--ink-hi); }
.language-switcher { position: relative; }
.language-switcher > button { min-width: 70px; padding: 12px 16px; border: 1px solid var(--line-strong); cursor: pointer; text-transform: uppercase; }
.language-menu { position: absolute; top: calc(100% + 8px); right: 0; display: none; min-width: 145px; border: 1px solid var(--line-strong); background: var(--bg-deep); box-shadow: 0 24px 50px rgba(0,0,0,.45); }
.language-menu.is-open { display: grid; }
.language-menu a { padding: 12px 14px; border-bottom: 1px solid var(--line); color: var(--muted); font: 500 11px/1.2 var(--mono); }
.language-menu a:last-child { border-bottom: 0; }
.language-menu a:hover, .language-menu a[aria-current="page"] { color: var(--cyan); background: var(--cyan-soft); }
.menu-toggle { display: none; min-width: 44px; min-height: 44px; padding: 10px; color: var(--ink); font: 600 11px/1 var(--sans); letter-spacing: .08em; cursor: pointer; }
section[id] { scroll-margin-top: 100px; }

.hero { position: relative; min-height: 760px; padding-top: 98px; overflow: hidden; border-bottom: 1px solid var(--line); background: var(--bg-deep); isolation: isolate; }
.lattice-media { position: absolute; z-index: 0; inset: 98px 0 0; overflow: hidden; background: var(--bg-deep); --touch-x: 74%; --touch-y: 50%; --touch-dx: 0px; --touch-dy: 0px; }
.lattice-media::after { content: ""; position: absolute; inset: 0 auto 0 0; width: 52%; background: rgba(3, 7, 9, 0.68); pointer-events: none; }
.lattice-base, .lattice-field-lines, .lattice-touch { position: absolute; width: 100%; height: 100%; object-fit: cover; }
.lattice-base { z-index: 0; }
.lattice-field-lines {
  --field-line-low: .06;
  --field-line-high: .5;
  z-index: 1;
  opacity: var(--field-line-low);
  -webkit-clip-path: inset(0);
  clip-path: inset(0);
  filter: brightness(1.62) saturate(1.04) contrast(1.48);
  mix-blend-mode: screen;
  transform: scale(1.006);
  animation: field-line-breathe 8.8s cubic-bezier(.45,0,.55,1) infinite;
  will-change: opacity;
}
.lattice-touch { z-index: 2; opacity: 0; }
.hero.is-touching .lattice-touch { opacity: .88; clip-path: circle(150px at var(--touch-x) var(--touch-y)); }
.mobile-sensor-field, .mobile-touch-probe { display: none; }
.hero-layout { position: relative; z-index: 1; min-height: 660px; display: grid; grid-template-columns: minmax(0, 680px) 1fr; align-items: center; }
.hero-copy { position: relative; z-index: 2; }
.eyebrow { display: flex; align-items: center; gap: 16px; margin: 0 0 24px; color: var(--cyan); font: 600 11px/1.4 var(--mono); letter-spacing: .18em; text-transform: uppercase; }
.eyebrow > span { width: 28px; height: 2px; background: currentColor; }
.hero h1 { max-width: 650px; margin: 0; color: var(--ink-hi); font-size: clamp(46px, 4vw, 58px); font-weight: 600; letter-spacing: -.042em; line-height: 1.04; text-wrap: balance; }
.hero-lede { max-width: 600px; margin: 28px 0 0; color: var(--ink); font: 400 16px/1.7 var(--sans); letter-spacing: .01em; }
.experience-inline { max-width: 600px; margin: 12px 0 16px; padding-top: 10px; border-top: 1px solid var(--line-strong); }
.experience-inline > span { color: var(--cyan); font: 600 11px/1 var(--mono); letter-spacing: .16em; }
.experience-inline p { margin: 6px 0 0; color: var(--muted); font: 400 13px/1.55 var(--sans); }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 56px; padding: 15px 26px; border: 1px solid transparent; color: var(--ink-hi); font: 600 13px/1 var(--sans); letter-spacing: .06em; text-transform: uppercase; cursor: pointer; transition: background-color 150ms var(--ease), color 150ms var(--ease), border-color 150ms var(--ease), transform 150ms var(--ease); }
.button:hover { transform: translateY(-1px); }
.button-primary { min-width: 275px; background: var(--cyan); color: #031012; border-color: var(--cyan); }
.button-primary:hover { background: #a5e4df; border-color: #a5e4df; }
.button-secondary { border-color: var(--line-strong); background: var(--surface); color: var(--ink); }
.button-secondary:hover { border-color: var(--metal); color: var(--ink-hi); }
.button:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.hero-note { margin: 13px 0 0; color: var(--faint); font: 600 11px/1.4 var(--mono); letter-spacing: .16em; }
.lattice-callouts { position: absolute; z-index: 3; inset: 0 0 0 48%; pointer-events: none; }
.interaction-hint { color: var(--faint); font: 600 11px/1.3 var(--mono); letter-spacing: .13em; text-transform: uppercase; }
.lattice-callouts > .interaction-hint { position: absolute; top: 8%; right: 0; }
.callout { position: absolute; min-width: 142px; padding: 12px 14px; border: 1px solid rgba(127,212,207,.25); background: rgba(4,9,12,.72); box-shadow: 0 15px 38px rgba(0,0,0,.28); }
.callout::after { content: ""; display: block; width: 18px; height: 2px; margin-top: 9px; background: var(--cyan); }
.callout span, .callout strong { display: block; text-transform: uppercase; }
.callout span { color: var(--muted); font: 600 11px/1.25 var(--mono); letter-spacing: .14em; }
.callout strong { margin-top: 6px; color: var(--ink-hi); font: 600 12px/1.2 var(--mono); letter-spacing: .08em; }
.callout-intake { top: 18%; left: 47%; }
.callout-identity { top: 48%; left: 16%; }
.callout-retention { top: 42%; right: 0; }
.callout-human { right: 17%; bottom: 12%; }
.callout.is-boundary { border-color: rgba(255,189,84,.35); }
.callout.is-boundary::after { background: var(--amber); }
.callout.is-boundary strong { color: var(--amber); }

.attestation { background: #071015; border-bottom: 1px solid var(--line); }
.attestation-grid { display: grid; grid-template-columns: 1.05fr repeat(7, 1fr); }
.attestation-grid > div { min-height: 108px; padding: 20px 22px; border-right: 1px solid var(--line); }
.attestation-grid > div:first-child { border-left: 1px solid var(--line); }
.attestation-grid span, .attestation-grid small, .attestation-grid code, .attestation-grid strong { display: block; }
.attestation-grid span { color: var(--faint); font: 600 11px/1.3 var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.attestation-grid strong { margin-top: 10px; color: var(--cyan); font: 600 13px/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.attestation-grid small { margin-top: 7px; color: var(--faint); font: 500 11px/1.35 var(--mono); }
.attestation-title strong { color: var(--ink); }
.attestation-title code { margin-top: 8px; color: var(--faint); font: 500 11px/1 var(--mono); }
.attestation-item.is-boundary strong { color: var(--amber); }

.section-shell { padding: 126px 0; border-bottom: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, .65fr); gap: 80px; align-items: end; margin-bottom: 56px; }
.section-heading h2, .experience h2, .about h2, .scenarios h2, .contact h2 { margin: 0; color: var(--ink-hi); font-size: clamp(38px, 4vw, 62px); font-weight: 600; letter-spacing: -.038em; line-height: 1.08; text-wrap: balance; }
.section-heading > p { max-width: 520px; margin: 0 0 3px; color: var(--muted); font-size: 16px; }

.services { background: var(--bg); }
.service-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 26px; }
.service-card { min-height: 390px; padding: 32px 34px 30px; background: var(--surface); transition: background-color 170ms var(--ease), transform 170ms var(--ease); }
.service-card:hover { background: var(--surface-2); transform: translateY(-2px); }
.service-card header { display: flex; justify-content: space-between; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.service-card header span, .service-card header code { color: var(--faint); font: 600 11px/1 var(--mono); letter-spacing: .12em; }
.service-card h3 { max-width: 440px; margin: 49px 0 17px; color: var(--ink-hi); font-size: clamp(25px, 2.4vw, 36px); font-weight: 600; letter-spacing: -.025em; line-height: 1.16; }
.service-card > p { max-width: 600px; margin: 0; color: var(--muted); font-size: 14px; }
.service-card ul { display: grid; gap: 8px; margin: 26px 0 0; padding: 0; list-style: none; }
.service-card li { display: flex; gap: 11px; color: var(--ink); font-size: 13px; }
.service-card li::before { content: ""; flex: 0 0 14px; height: 1px; margin-top: 11px; background: var(--faint); }

.experience { position: relative; overflow: hidden; background: var(--bg-deep); }
.experience-layout { display: grid; grid-template-columns: minmax(0,.88fr) minmax(520px,1.12fr); gap: clamp(60px,7vw,120px); align-items: center; }
.experience-copy > p:not(.eyebrow) { max-width: 650px; margin: 22px 0 0; color: var(--muted); font-size: 15px; }
.principle-list { margin-top: 36px; border-top: 1px solid var(--line); }
.principle-list > div { display: grid; grid-template-columns: 38px 1fr; gap: 14px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.principle-list span { color: var(--cyan); font: 600 11px/1.8 var(--mono); }
.principle-list p { margin: 0; color: var(--ink); font-size: 13px; }
.detail-lattice { position: relative; overflow: hidden; --detail-x: 54%; --detail-y: 55%; --detail-dx: 0px; --detail-dy: 0px; }
.detail-lattice img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.detail-lattice-touch { opacity: 0; }
.detail-interaction-hint { position: absolute; z-index: 2; top: 20px; left: 22px; padding: 7px 9px; background: rgba(4,8,10,.78); }
.detail-signal { position: absolute; z-index: 2; min-width: 176px; padding: 12px 14px; border: 1px solid rgba(127,212,207,.26); background: rgba(4,8,10,.8); box-shadow: 0 15px 38px rgba(0,0,0,.24); }
.detail-signal span, .detail-signal strong { display: block; font-family: var(--mono); text-transform: uppercase; }
.detail-signal span { color: var(--faint); font-size: 10px; letter-spacing: .14em; }
.detail-signal strong { margin-top: 6px; color: var(--cyan); font-size: 11px; letter-spacing: .08em; }
.detail-signal-1 { top: 18%; right: 8%; }
.detail-signal-2 { top: 48%; left: 7%; }
.detail-signal-3 { right: 10%; bottom: 9%; border-color: rgba(255,189,84,.34); }
.detail-signal-3 strong { color: var(--amber); }

.approach { background: var(--bg); }
.process-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 40px; margin: 0; padding: 0; list-style: none; }
.process-grid li { min-height: 0; padding: 26px 0 0; border-top: 2px solid var(--line-strong); }
.process-grid li > span { display: block; color: var(--cyan); font: 600 11px/1 var(--mono); }
.process-grid code { display: block; min-height: 38px; margin-top: 18px; color: var(--faint); font: 600 11px/1.4 var(--mono); letter-spacing: .12em; }
.process-grid h3 { margin: 44px 0 14px; color: var(--ink-hi); font-size: 27px; font-weight: 600; }
.process-grid p { margin: 0; color: var(--muted); font-size: 13px; }

.trust { background: #091015; }
.trust-grid { display: grid; grid-template-columns: minmax(0,1.08fr) minmax(0,.92fr); gap: 28px; }
.trust-ledger, .privacy-notice { border: 1px solid var(--line-strong); background: var(--surface); }
.trust-ledger > header { display: flex; justify-content: space-between; gap: 20px; padding: 17px 20px; border-bottom: 1px solid var(--line); color: var(--faint); font: 600 11px/1.3 var(--mono); letter-spacing: .13em; text-transform: uppercase; }
.trust-ledger > header strong { color: var(--cyan); font-weight: 600; }
.trust-ledger dl { margin: 0; }
.trust-ledger dl > div { display: grid; grid-template-columns: minmax(140px,.42fr) minmax(0,.58fr); gap: 28px; padding: 22px 20px; border-bottom: 1px solid var(--line); }
.trust-ledger dt { color: var(--muted); font-size: 12px; }
.trust-ledger dd { margin: 0; }
.trust-ledger dd strong, .trust-ledger dd span { display: block; }
.trust-ledger dd strong { color: var(--ink-hi); font: 600 13px/1.3 var(--mono); }
.trust-ledger dd span { margin-top: 7px; color: var(--faint); font-size: 11px; }
.machine-link { display: block; padding: 17px 20px; color: var(--cyan); font: 600 11px/1.2 var(--mono); letter-spacing: .1em; }
.machine-link:hover { background: var(--cyan-soft); }
.privacy-notice { padding: 31px; }
.privacy-notice h3 { margin: 0; color: var(--ink-hi); font-size: clamp(28px,3vw,42px); font-weight: 600; letter-spacing: -.025em; line-height: 1.14; }
.notice-version { display: inline-block; margin-top: 18px; color: var(--cyan); font: 600 11px/1.3 var(--mono); letter-spacing: .12em; }
.privacy-notice > p:not(.eyebrow):not(.boundary-note) { margin: 20px 0 0; color: var(--muted); font-size: 14px; }
.privacy-notice ul { margin: 27px 0 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.privacy-notice li { display: grid; grid-template-columns: 100px 1fr; gap: 20px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.privacy-notice li strong { color: var(--ink); font: 600 11px/1.5 var(--mono); text-transform: uppercase; }
.privacy-notice li span { color: var(--muted); font-size: 12px; }
.boundary-note { margin: 23px 0 0; padding: 15px 17px; border-left: 2px solid var(--amber); background: var(--amber-soft); color: var(--muted); font-size: 12px; }
.zero-program, .transparency-archive { margin-top: 28px; border: 1px solid var(--line-strong); background: var(--surface); }
.zero-program-heading, .transparency-heading { display: grid; grid-template-columns: minmax(320px,.78fr) minmax(360px,1.22fr); gap: 52px; align-items: end; padding: 28px 30px; border-bottom: 1px solid var(--line); }
.zero-program-heading span, .transparency-heading span { color: var(--cyan); font: 600 11px/1.4 var(--mono); letter-spacing: .13em; text-transform: uppercase; }
.zero-program-heading h3, .transparency-heading h3 { max-width: 660px; margin: 13px 0 0; color: var(--ink-hi); font-size: clamp(27px,2.5vw,39px); font-weight: 600; letter-spacing: -.025em; line-height: 1.12; }
.zero-program-heading p, .transparency-heading p { max-width: 690px; margin: 0; color: var(--muted); font-size: 13px; }
.zero-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); }
.zero-item { position: relative; min-height: 170px; padding: 25px 27px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.zero-item:nth-child(3n) { border-right: 0; }
.zero-item:nth-last-child(-n+3) { border-bottom: 0; }
.zero-item strong, .zero-item span, .zero-item small { display: block; }
.zero-item strong { color: var(--cyan); font: 600 25px/1 var(--mono); letter-spacing: -.025em; }
.zero-item span { max-width: 290px; margin-top: 25px; color: var(--ink); font-size: 13px; }
.zero-item small { margin-top: 10px; color: var(--faint); font: 600 11px/1.35 var(--mono); letter-spacing: .1em; }
.zero-item-policy strong { color: var(--ink-hi); }
.zero-item-pending { background: linear-gradient(135deg,transparent,rgba(255,189,84,.035)); }
.zero-item-pending strong, .zero-item-pending small { color: var(--amber); }
.transparency-table { width: 100%; }
.transparency-columns, .transparency-row { display: grid; grid-template-columns: 90px repeat(5,minmax(0,1fr)); }
.transparency-columns { border-bottom: 1px solid var(--line); background: var(--bg-deep); }
.transparency-columns span { display: flex; align-items: end; min-height: 92px; padding: 16px 14px; border-right: 1px solid var(--line); color: var(--faint); font: 600 11px/1.35 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.transparency-columns span:last-child { border-right: 0; }
.transparency-row { border-bottom: 1px solid var(--line); }
.transparency-row strong, .transparency-row > span { display: flex; align-items: center; min-height: 64px; padding: 14px; border-right: 1px solid var(--line); }
.transparency-row strong { color: var(--ink-hi); font: 600 12px/1 var(--mono); }
.transparency-row > span { justify-content: center; color: var(--cyan); font: 600 17px/1 var(--mono); }
.transparency-row > span:last-child { border-right: 0; }
.transparency-footnote { margin: 0; padding: 17px 20px; color: var(--faint); font-size: 11px; }
.retention { margin-top: 28px; border: 1px solid var(--line-strong); background: var(--surface); }
.retention-heading { display: grid; grid-template-columns: minmax(180px,.32fr) 1fr; gap: 30px; padding: 22px 24px; border-bottom: 1px solid var(--line); }
.retention-heading span { color: var(--cyan); font: 600 11px/1.4 var(--mono); letter-spacing: .13em; }
.retention-heading p { margin: 0; color: var(--muted); font-size: 13px; }
.retention-row { display: grid; grid-template-columns: minmax(230px,.8fr) minmax(240px,.7fr) minmax(260px,1fr); gap: 24px; align-items: center; padding: 17px 24px; border-bottom: 1px solid var(--line); }
.retention-row:last-child { border-bottom: 0; }
.retention-row > span { color: var(--ink); font-size: 13px; }
.retention-row > strong { color: var(--cyan); font: 600 11px/1.45 var(--mono); }
.retention-row > small { color: var(--faint); font-size: 11px; }
.legal-boundary { display: grid; grid-template-columns: minmax(220px,.32fr) 1fr; gap: 30px; margin-top: 28px; padding: 24px; border: 1px solid rgba(255,189,84,.32); background: var(--amber-soft); }
.legal-boundary span { color: var(--amber); font: 600 11px/1.4 var(--mono); letter-spacing: .12em; }
.legal-boundary p { margin: 0; color: var(--muted); font-size: 13px; }

.about { background: var(--bg-deep); }
.about-layout { display: grid; grid-template-columns: minmax(0,.8fr) minmax(520px,1.2fr); gap: 100px; }
.about-layout > div > p:last-child { max-width: 620px; margin: 24px 0 0; color: var(--muted); }
.about-facts { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); margin: 0; border-top: 1px solid var(--line-strong); border-left: 1px solid var(--line-strong); }
.about-facts > div { min-height: 180px; padding: 25px; border-right: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); }
.about-facts dt { color: var(--faint); font: 600 11px/1 var(--mono); letter-spacing: .13em; }
.about-facts dd { margin: 32px 0 0; color: var(--ink-hi); font: 600 28px/1 var(--mono); letter-spacing: -.03em; }
.about-facts small { display: block; margin-top: 12px; color: var(--muted); font-size: 11px; }
.about-facts dd a { display: block; margin-top: 15px; color: var(--cyan); font: 600 10px/1.45 var(--mono); letter-spacing: .06em; }
.about-facts dd a:hover { color: var(--ink-hi); }

.scenarios { background: var(--bg); }
.scenarios-layout { display: grid; grid-template-columns: minmax(280px,.65fr) minmax(0,1.35fr); gap: 100px; }
.scenario-list { border-top: 1px solid var(--line-strong); }
.scenario-row { display: grid; grid-template-columns: 42px 1fr auto; gap: 18px; align-items: center; width: 100%; min-height: 82px; padding: 15px 4px; border-bottom: 1px solid var(--line-strong); text-align: left; cursor: pointer; transition: background-color 150ms var(--ease), padding 150ms var(--ease); }
.scenario-row:hover { padding-inline: 14px; background: var(--surface); }
.scenario-row > span { color: var(--cyan); font: 600 11px/1 var(--mono); }
.scenario-row > strong { color: var(--ink); font-size: 15px; font-weight: 500; }
.scenario-row > small { color: var(--faint); font: 600 11px/1 var(--mono); letter-spacing: .1em; }

.contact { background: var(--bg-deep); }
.contact-panel { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(380px,.95fr); gap: 80px; padding: clamp(38px,5vw,70px); border: 1px solid var(--line-strong); background: var(--surface); }
.contact-panel > div:first-child > p:last-child { max-width: 660px; margin: 24px 0 0; color: var(--muted); }
.contact-actions { align-self: start; }
.contact-actions .button { width: 100%; }
.channel-sequence { margin-top: 22px; border-top: 1px solid var(--line); }
.channel-sequence > div { display: grid; grid-template-columns: 35px 1fr; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.channel-sequence > div > span { color: var(--cyan); font: 600 11px/1.7 var(--mono); }
.channel-sequence p { display: grid; gap: 3px; margin: 0; }
.channel-sequence strong { color: var(--ink); font-size: 13px; }
.channel-sequence small { color: var(--faint); font-size: 11px; }

.site-footer { padding: 66px 0 26px; background: #020507; }
.footer-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; padding-bottom: 48px; }
.footer-brand { margin-bottom: 19px; }
.footer-grid > div:first-child > p { max-width: 470px; margin: 0; color: var(--faint); font-size: 13px; }
.footer-meta { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.footer-meta span, .footer-meta strong { display: block; }
.footer-meta span { margin-bottom: 9px; color: var(--faint); font: 600 11px/1 var(--mono); letter-spacing: .13em; }
.footer-meta strong { color: var(--muted); font: 500 11px/1.5 var(--mono); }
.footer-legal { display: flex; flex-wrap: wrap; gap: 18px; padding-bottom: 18px; }
.footer-legal a { color: var(--muted); font: 600 11px/1.3 var(--sans); letter-spacing: .04em; text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 4px; }
.footer-legal a:hover, .footer-legal a:focus-visible { color: var(--ink-hi); text-decoration-color: var(--cyan); }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 22px; border-top: 1px solid var(--line); color: var(--faint); font: 600 11px/1.3 var(--mono); letter-spacing: .08em; }

.contact-dialog { width: min(790px,calc(100% - 28px)); max-height: calc(100vh - 28px); max-height: calc(100dvh - 28px); padding: 0; overflow: auto; overscroll-behavior: contain; border: 1px solid var(--line-strong); border-radius: 0; background: var(--surface); color: var(--ink); box-shadow: 0 35px 110px rgba(0,0,0,.72); }
.contact-dialog:not([open]) { display: none; }
.contact-dialog::backdrop { background: rgba(0,3,5,.9); }
.dialog-shell { padding: clamp(26px,5vw,48px); }
.dialog-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 30px; }
.dialog-header h2 { margin: 0; color: var(--ink-hi); font-size: clamp(30px,4vw,46px); font-weight: 600; letter-spacing: -.035em; line-height: 1.1; }
.dialog-close { display: inline-flex; flex: 0 0 auto; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; padding: 10px 13px; border: 1px solid var(--line-strong); color: var(--muted); font: 600 11px/1 var(--mono); letter-spacing: .1em; white-space: nowrap; cursor: pointer; }
.dialog-close:hover { color: var(--ink-hi); border-color: var(--metal); }
.dialog-close:disabled { opacity: .45; cursor: not-allowed; }
.encryption-banner { margin: 28px 0; padding: 17px 18px; border-left: 2px solid var(--cyan); background: var(--cyan-soft); }
.encryption-banner strong { display: block; color: var(--cyan); font: 600 11px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.encryption-banner p { margin: 7px 0 0; color: var(--muted); font-size: 12px; }
.key-fingerprint { display: block; margin-top: 9px; color: var(--cyan); font: 600 11px/1.4 var(--mono); letter-spacing: .02em; overflow-wrap: anywhere; }
.contact-form { display: block; }
.contact-form fieldset { display: grid; min-width: 0; margin: 0; padding: 0; border: 0; gap: 18px; }
.form-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
.contact-form label:not(.consent-row):not(.honeypot) { display: grid; gap: 7px; }
.contact-form label > span:first-child { color: var(--muted); font: 600 11px/1.3 var(--sans); }
.field-help { color: var(--faint); font-size: 11px; line-height: 1.45; }
input, select, textarea { width: 100%; border: 1px solid var(--line-strong); border-radius: 0; background: var(--bg-deep); color: var(--ink-hi); outline: none; }
input, select { height: 47px; padding: 0 13px; }
textarea { min-height: 132px; padding: 12px 13px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 1px var(--cyan); }
.honeypot { position: absolute !important; left: -10000px !important; }
.consent-row { display: grid; grid-template-columns: 18px 1fr; gap: 10px; align-items: start; }
.consent-row input { width: 16px; height: 16px; margin: 3px 0 0; accent-color: var(--cyan); }
.consent-row span { color: var(--muted); font-size: 12px; }
.consent-row a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }
.form-warning { margin: 0; padding: 12px 14px; border-left: 2px solid var(--amber); background: var(--amber-soft); color: var(--muted); font-size: 11px; }
.form-submit { display: flex; align-items: center; gap: 18px; }
.form-state { color: var(--faint); font-size: 11px; }
.form-state.is-success { color: var(--cyan); }
.form-state.is-error { color: var(--amber); }
.crypto-stage { margin: 25px 0 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.crypto-stage li { display: grid; grid-template-columns: 25px minmax(180px,.8fr) minmax(0,1.2fr); gap: 12px; align-items: center; min-height: 49px; border-bottom: 1px solid var(--line); }
.stage-node { display: grid; place-items: center; width: 15px; height: 15px; border: 1px solid var(--line-strong); }
.stage-node i { width: 5px; height: 5px; background: var(--faint); }
.crypto-stage li.is-active .stage-node, .crypto-stage li.is-done .stage-node { border-color: var(--cyan); }
.crypto-stage li.is-active .stage-node i, .crypto-stage li.is-done .stage-node i { background: var(--cyan); }
.crypto-stage li.is-error .stage-node { border-color: var(--amber); }
.crypto-stage li.is-error .stage-node i { background: var(--amber); }
.stage-label { color: var(--ink); font-size: 11px; }
.crypto-stage code { color: var(--faint); font: 500 11px/1.35 var(--mono); overflow-wrap: anywhere; }
.receipt { display: grid; grid-template-columns: 1fr auto; gap: 16px; margin-top: 26px; padding: 22px; border: 1px solid var(--cyan-line); background: var(--cyan-soft); }
.receipt-main { min-width: 0; }
.receipt-label { display: block; color: var(--cyan); font: 600 11px/1 var(--mono); letter-spacing: .12em; }
.receipt-main code { display: block; margin-top: 11px; color: var(--ink-hi); font: 600 clamp(16px,2.8vw,26px)/1.2 var(--mono); overflow-wrap: anywhere; }
.receipt p { grid-column: 1 / -1; margin: 0; color: var(--faint); font-size: 11px; }
.contact-unavailable { padding: 22px; border-left: 2px solid var(--amber); background: var(--amber-soft); }
.contact-unavailable p { margin: 0 0 18px; color: var(--muted); }
.contact-capability-note { margin: 16px 0 0; padding: 14px 16px; border-left: 2px solid var(--amber); background: var(--amber-soft); color: var(--muted); font-size: 12px; }

.js [data-reveal] { opacity: 0; transform: translateY(8px); transition: opacity 240ms var(--ease), transform 240ms var(--ease); }
.js [data-reveal-delay="1"] { transition-delay: 70ms; }
.js [data-reveal].is-visible { opacity: 1; transform: none; }

.button:focus-visible, .site-nav a:focus-visible, .language-switcher button:focus-visible, .menu-toggle:focus-visible, .scenario-row:focus-visible, .dialog-close:focus-visible, .machine-link:focus-visible, .about-facts a:focus-visible, .company-facts a:focus-visible, .trust-evidence-groups a:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

@media (max-width: 1180px) {
  :root { --shell: min(100% - 44px, 1120px); }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .site-nav { position: fixed; top: var(--header-h); left: 0; right: 0; display: none; max-height: calc(100vh - var(--header-h)); max-height: calc(100dvh - var(--header-h)); overflow-y: auto; overscroll-behavior: contain; padding: 18px 22px 22px; border-bottom: 1px solid var(--line-strong); background: var(--bg-deep); }
  .site-nav.is-open { display: grid; }
  .site-nav > a { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .language-switcher { margin-top: 8px; }
  .language-switcher > button { width: 100%; text-align: left; }
  .language-menu { position: static; margin-top: 8px; }
  .hero { min-height: 720px; }
  .hero-layout { grid-template-columns: minmax(0,680px) 1fr; }
  .lattice-media::after { width: 62%; }
  .lattice-callouts { left: 52%; }
  .attestation::after { content: ""; position: absolute; z-index: 2; top: 0; right: 0; bottom: 0; width: 30px; pointer-events: none; background: linear-gradient(90deg, transparent, #071015); }
  .attestation { position: relative; }
  .attestation-grid { overflow-x: auto; overscroll-behavior-x: contain; scroll-snap-type: x proximity; grid-template-columns: repeat(8,minmax(170px,1fr)); }
  .attestation-grid > div { min-width: 170px; scroll-snap-align: start; }
  .experience-layout, .about-layout { grid-template-columns: 1fr 1fr; gap: 55px; }
  .detail-lattice { min-height: 520px; }
  .process-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .zero-program-heading, .transparency-heading { grid-template-columns: 1fr; gap: 18px; }
  .zero-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .zero-item:nth-child(n) { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .zero-item:nth-child(2n) { border-right: 0; }
  .zero-item:nth-last-child(-n+2) { border-bottom: 0; }
  .transparency-columns { display: none; }
  .transparency-table { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); }
  .transparency-row { display: block; border-right: 1px solid var(--line); }
  .transparency-row:nth-child(2n) { border-right: 0; }
  .transparency-row strong { min-height: 52px; border-right: 0; border-bottom: 1px solid var(--line); background: var(--bg-deep); }
  .transparency-row > span { justify-content: space-between; gap: 18px; min-height: 62px; border-right: 0; border-bottom: 1px solid var(--line); text-align: right; }
  .transparency-row > span::before { content: attr(data-label); max-width: 78%; color: var(--faint); font: 500 11px/1.35 var(--mono); text-align: left; }
  .transparency-row > span:last-child { border-bottom: 0; }
  .retention-row { grid-template-columns: 1fr 1fr; }
  .retention-row small { grid-column: 1 / -1; }
}

@media (min-width: 821px) and (max-height: 800px) {
  .site-header, .site-header.is-scrolled { --header-h: 78px; }
  .hero { min-height: 642px; padding-top: 78px; }
  .lattice-media { inset: 78px 0 0; }
  .hero-layout { min-height: 564px; }
  .hero-copy { padding: 48px 0 30px; }
  .hero h1 { font-size: clamp(46px, 4.55vw, 62px); }
  .hero-lede { margin-top: 19px; font-size: 13px; line-height: 1.55; }
  .experience-inline { margin: 19px 0 20px; padding-top: 13px; }
  .experience-inline p { margin-top: 8px; font-size: 11px; line-height: 1.45; }
  .button { min-height: 50px; }
  .hero-note { margin-top: 9px; }
}

@media (max-width: 820px) {
  :root { --shell: calc(100% - 32px); }
  .site-header, .site-header.is-scrolled { --header-h: 74px; }
  .brand img { width: 45px; height: 45px; }
  .brand-copy strong { font-size: 15px; }
  .brand-copy small { display: none; }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .site-nav { position: fixed; top: 74px; left: 0; right: 0; display: none; padding: 18px 16px 22px; border-bottom: 1px solid var(--line-strong); background: var(--bg-deep); }
  .site-nav.is-open { display: grid; }
  .site-nav > a { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .language-switcher { margin-top: 8px; }
  .language-switcher > button { width: 100%; text-align: left; }
  .language-menu { position: static; margin-top: 8px; }
  .hero { min-height: 0; padding-top: 74px; }
  .lattice-media { inset: 74px 0 0; }
  .lattice-media::after { width: 100%; background: rgba(3,7,9,.64); }
  .lattice-base, .lattice-touch { object-position: 64% center; }
  .hero-layout { min-height: 0; display: block; padding-bottom: 30px; }
  .hero-copy { padding: 54px 0 18px; }
  .hero h1 { max-width: 690px; font-size: clamp(40px,9.4vw,58px); }
  .hero-lede { font-size: 14px; }
  .lattice-callouts { position: relative; inset: auto; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 9px; height: auto; margin-top: 14px; }
  .lattice-callouts > .interaction-hint { position: static; grid-column: 1 / -1; padding: 0 1px 4px; }
  .callout, .callout-intake, .callout-identity, .callout-retention, .callout-human { position: relative; inset: auto; min-width: 0; min-height: 82px; }
  .attestation::after { display: none; }
  .attestation-grid { overflow: visible; grid-template-columns: repeat(2,minmax(0,1fr)); scroll-snap-type: none; }
  .attestation-grid > div { min-width: 0; min-height: 104px; padding: 17px 16px; }
  .attestation-title { grid-column: 1 / -1; }
  .section-shell { padding: 92px 0; }
  .section-heading { grid-template-columns: 1fr; gap: 25px; }
  .service-grid, .trust-grid, .experience-layout, .about-layout, .scenarios-layout, .contact-panel { grid-template-columns: 1fr; }
  .service-card { min-height: 340px; }
  .experience-layout, .about-layout, .scenarios-layout, .contact-panel { gap: 50px; }
  .detail-lattice { min-height: 480px; }
  .trust-grid { gap: 22px; }
  .zero-program-heading, .transparency-heading { padding: 24px 21px; }
  .legal-boundary, .retention-heading { grid-template-columns: 1fr; gap: 14px; }
  .contact-panel { padding: 34px; }
  .footer-grid { grid-template-columns: 1fr; gap: 46px; }
  .footer-meta { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  :root { --shell: calc(100% - 24px); }
  section[id] { scroll-margin-top: 82px; }
  .hero { min-height: 0; }
  .hero-layout { padding-bottom: 22px; }
  .hero-copy { display: flex; flex-direction: column; padding: 42px 0 14px; }
  .hero-copy > .eyebrow { order: 0; }
  .hero-copy > h1 { order: 1; }
  .hero-copy > .hero-lede { order: 2; }
  .hero-copy > .button-primary { order: 3; margin-top: 21px; }
  .hero-copy > .hero-note { order: 4; }
  .hero-copy > .experience-inline { display: none; }
  .hero h1 { font-size: clamp(34px,9.75vw,39px); line-height: 1.02; }
  .hero-lede { margin-top: 20px; font-size: 12px; line-height: 1.6; }
  .button-primary { min-width: 0; width: 100%; }
  .lattice-callouts { gap: 7px; margin-top: 12px; }
  .callout { min-width: 0; min-height: 78px; padding: 11px; }
  .callout span { font-size: 11px; }
  .callout strong { font-size: 11px; overflow-wrap: anywhere; }
  .section-shell { padding: 66px 0; }
  .section-heading { gap: 18px; margin-bottom: 36px; }
  .section-heading h2, .experience h2, .about h2, .scenarios h2, .contact h2 { font-size: clamp(32px,9vw,38px); }
  .section-heading > p { font-size: 14px; }
  .service-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .process-grid li { min-height: 0; padding: 22px 0 0; }
  .process-grid h3 { margin-top: 30px; font-size: 23px; }
  .service-card { min-height: 0; padding: 27px 24px 31px; }
  .service-card h3 { margin-top: 36px; }
  .experience-layout, .about-layout, .scenarios-layout, .contact-panel { gap: 36px; }
  .experience-copy > p:not(.eyebrow) { font-size: 14px; }
  .experience-layout { display: flex; flex-direction: column; gap: 0; }
  .experience-copy { display: contents; }
  .js .experience-copy[data-reveal] { opacity: 1; transform: none; }
  .experience-copy > .eyebrow { order: 0; }
  .experience-copy > h2 { order: 1; }
  .detail-lattice { order: 2; width: 100%; min-height: 370px; margin: 30px 0 8px; }
  .experience-copy > p:not(.eyebrow) { order: 3; }
  .principle-list { order: 4; }
  .detail-interaction-hint { top: 13px; left: 13px; }
  .detail-signal { min-width: 142px; padding: 10px 11px; }
  .detail-signal span { font-size: 11px; }
  .detail-signal strong { font-size: 11px; }
  .detail-signal-1 { top: 18%; right: 4%; }
  .detail-signal-2 { top: 48%; left: 4%; }
  .detail-signal-3 { right: 5%; bottom: 7%; }
  .trust-ledger dl > div, .privacy-notice li { grid-template-columns: 1fr; gap: 8px; }
  .privacy-notice { padding: 25px 20px; }
  .zero-grid, .transparency-table { grid-template-columns: 1fr; }
  .zero-item:nth-child(n), .transparency-row:nth-child(n) { border-right: 0; border-bottom: 1px solid var(--line); }
  .zero-item:last-child, .transparency-row:last-child { border-bottom: 0; }
  .zero-item { min-height: 145px; padding: 22px 20px; }
  .zero-item span { margin-top: 19px; }
  .retention-row { grid-template-columns: 1fr; gap: 9px; }
  .retention-row small { grid-column: auto; }
  .about-facts { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .about-facts > div { min-height: 150px; padding: 20px 17px; }
  .about-facts dd { margin-top: 25px; font-size: 23px; }
  .scenario-row { grid-template-columns: 34px 1fr; }
  .scenario-row small { grid-column: 2; }
  .contact-panel { padding: 27px 21px; }
  .footer-meta { grid-template-columns: 1fr; }
  .footer-bottom { display: grid; gap: 9px; }
  .form-grid { grid-template-columns: 1fr; }
  .contact-dialog { width: calc(100% - 12px); max-height: calc(100dvh - 12px); }
  .dialog-shell { padding: 20px 16px 24px; }
  .dialog-header { position: sticky; z-index: 4; top: 0; margin: -20px -16px 0; padding: 16px; border-bottom: 1px solid var(--line); background: rgba(12,18,22,.98); }
  .dialog-header h2 { font-size: 27px; }
  .encryption-banner { margin: 19px 0; }
  .form-submit { align-items: stretch; flex-direction: column; }
  .crypto-stage li { grid-template-columns: 23px 1fr; padding: 8px 0; }
  .crypto-stage code { grid-column: 2; }
  .receipt { grid-template-columns: 1fr; }
  .receipt p { grid-column: auto; }
}

@media (max-width: 820px) {
  .lattice-media, .detail-lattice { --mobile-drift-y: 0px; --probe-x: 50%; --probe-y: 50%; }
  .lattice-media::after { z-index: 1; }
  .lattice-base, .detail-lattice-base { z-index: 0; transform: translate3d(0,var(--mobile-drift-y),0) scale(1.045); transition: transform 180ms linear; }
  .lattice-touch { z-index: 2; -webkit-clip-path: circle(0 at var(--touch-x) var(--touch-y)); clip-path: circle(0 at var(--touch-x) var(--touch-y)); transform: translate3d(var(--touch-dx),calc(var(--touch-dy) + var(--mobile-drift-y)),0) scale(1.05); transition: opacity 160ms var(--ease),-webkit-clip-path 320ms var(--ease),clip-path 320ms var(--ease),transform 380ms var(--ease); }
  .detail-lattice-touch { z-index: 2; -webkit-clip-path: circle(0 at var(--detail-x) var(--detail-y)); clip-path: circle(0 at var(--detail-x) var(--detail-y)); transform: translate3d(var(--detail-dx),calc(var(--detail-dy) + var(--mobile-drift-y)),0) scale(1.05); transition: opacity 160ms var(--ease),-webkit-clip-path 320ms var(--ease),clip-path 320ms var(--ease),transform 380ms var(--ease); }
  .hero.is-touching .lattice-touch { opacity: .96; -webkit-clip-path: circle(142px at var(--touch-x) var(--touch-y)); clip-path: circle(142px at var(--touch-x) var(--touch-y)); }
  .detail-lattice.is-touching .detail-lattice-touch { opacity: .96; -webkit-clip-path: circle(118px at var(--detail-x) var(--detail-y)); clip-path: circle(118px at var(--detail-x) var(--detail-y)); }

  .mobile-sensor-field { display: block; position: absolute; z-index: 3; inset: 0; opacity: 0; pointer-events: none; background-image: linear-gradient(rgba(127,212,207,.14) 1px,transparent 1px),linear-gradient(90deg,rgba(127,212,207,.14) 1px,transparent 1px),radial-gradient(circle at var(--probe-x) var(--probe-y),rgba(127,212,207,.18),transparent 33%); background-size: 18px 18px,18px 18px,100% 100%; -webkit-clip-path: circle(0 at var(--probe-x) var(--probe-y)); clip-path: circle(0 at var(--probe-x) var(--probe-y)); transform: translate3d(0,var(--mobile-drift-y),0); transition: opacity 150ms var(--ease),-webkit-clip-path 300ms var(--ease),clip-path 300ms var(--ease),transform 180ms linear; }
  .hero.is-touching .mobile-sensor-field, .detail-lattice.is-touching .mobile-sensor-field { opacity: .5; -webkit-clip-path: circle(176px at var(--probe-x) var(--probe-y)); clip-path: circle(176px at var(--probe-x) var(--probe-y)); }
  .mobile-sensor-field::after { content: ""; position: absolute; inset: -35% -15%; opacity: 0; background: linear-gradient(180deg,transparent 44%,rgba(127,212,207,.32) 49%,rgba(241,244,245,.58) 50%,rgba(127,212,207,.18) 52%,transparent 57%); transform: translate3d(0,-42%,0); }
  .has-mobile-probe.is-demoing .mobile-sensor-field::after { animation: mobile-field-scan 880ms var(--ease) 1; }

  .mobile-touch-probe { display: block; position: absolute; z-index: 4; left: var(--probe-x); top: var(--probe-y); width: 92px; height: 92px; border: 1px solid rgba(127,212,207,.76); border-radius: 50%; opacity: 0; pointer-events: none; background: radial-gradient(circle,rgba(127,212,207,.2) 0 2px,rgba(127,212,207,.07) 3px 19%,transparent 20%); box-shadow: 0 0 0 1px rgba(127,212,207,.09) inset; transform: translate3d(-50%,-50%,0) scale(.7); transition: opacity 120ms var(--ease),transform 180ms var(--ease); }
  .mobile-touch-probe::before { content: ""; position: absolute; inset: 13px; border: 1px solid rgba(127,212,207,.42); border-radius: 50%; }
  .mobile-touch-probe::after { content: ""; position: absolute; top: 50%; left: 50%; width: 31px; height: 31px; background: linear-gradient(90deg,transparent calc(50% - .5px),rgba(241,244,245,.9) calc(50% - .5px),rgba(241,244,245,.9) calc(50% + .5px),transparent calc(50% + .5px)),linear-gradient(transparent calc(50% - .5px),rgba(241,244,245,.9) calc(50% - .5px),rgba(241,244,245,.9) calc(50% + .5px),transparent calc(50% + .5px)); transform: translate(-50%,-50%); }
  .hero.is-touching .mobile-touch-probe, .detail-lattice.is-touching .mobile-touch-probe { opacity: .78; transform: translate3d(-50%,-50%,0) scale(1); }
  .mobile-touch-probe.is-pulsing { animation: mobile-probe-impact 430ms var(--ease) 1; }

  .callout, .detail-signal { transition: transform 150ms var(--ease),border-color 150ms var(--ease),background-color 150ms var(--ease),box-shadow 150ms var(--ease); }
  .callout::after { transition: width 170ms var(--ease),box-shadow 170ms var(--ease); }
  .callout.is-probed { border-color: rgba(127,212,207,.82); background: rgba(4,13,16,.94); box-shadow: 0 0 0 1px rgba(127,212,207,.08) inset,0 16px 42px rgba(0,0,0,.45); transform: translateY(-2px); }
  .callout.is-probed::after { width: 44px; }
  .callout.is-boundary.is-probed { border-color: rgba(255,189,84,.82); box-shadow: 0 0 0 1px rgba(255,189,84,.08) inset,0 16px 42px rgba(0,0,0,.45); }
  .detail-interaction-hint, .detail-signal { z-index: 5; }
  .detail-signal.is-probed { border-color: rgba(127,212,207,.82); background: rgba(4,13,16,.94); box-shadow: 0 16px 42px rgba(0,0,0,.44); transform: translateY(-2px); }
  .detail-signal-3.is-probed { border-color: rgba(255,189,84,.84); box-shadow: 0 16px 42px rgba(0,0,0,.44); }

  .button, .scenario-row { -webkit-tap-highlight-color: transparent; }
  .button { position: relative; overflow: hidden; }
  .button:hover { transform: none; }
  .button::after, .scenario-row::after { content: ""; position: absolute; z-index: 2; inset: -35% auto -35% -36%; width: 28%; pointer-events: none; opacity: 0; background: linear-gradient(90deg,transparent,rgba(255,255,255,.62),transparent); transform: skewX(-17deg) translateX(-130%); }
  .button:active { transform: translateY(1px) scale(.985); }
  .button:active::after, .scenario-row:active::after { opacity: .58; transform: skewX(-17deg) translateX(560%); transition: opacity 90ms linear,transform 360ms var(--ease); }
  .scenario-row { position: relative; overflow: hidden; }
  .scenario-row:active { background: var(--surface-2); transform: scale(.992); }
}

@keyframes mobile-field-scan {
  0% { opacity: 0; transform: translate3d(0,-42%,0); }
  18% { opacity: .72; }
  100% { opacity: 0; transform: translate3d(0,42%,0); }
}

@keyframes mobile-probe-impact {
  0% { opacity: 0; transform: translate3d(-50%,-50%,0) scale(.38); }
  48% { opacity: .96; transform: translate3d(-50%,-50%,0) scale(1.08); }
  100% { opacity: .78; transform: translate3d(-50%,-50%,0) scale(1); }
}

@media (max-width: 340px) {
  .process-grid { grid-template-columns: 1fr; }
  .about-facts { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
  [data-reveal] { opacity: 1; transform: none; }
  .lattice-touch, .detail-lattice-touch { transition: none; }
}

/* v2.5 — precision void / boundary field visual system */
:root {
  --bg: #050708;
  --bg-deep: #020405;
  --surface: #0a0e10;
  --surface-2: #0f1417;
  --surface-3: #151b1e;
  --ink-hi: #f2f4f3;
  --ink: #c9cecc;
  --muted: #8f9997;
  --faint: #737f7d;
  --line: #1d2729;
  --line-strong: #344144;
  --cyan: #8fd1cc;
  --cyan-soft: rgba(143, 209, 204, 0.075);
  --cyan-line: rgba(143, 209, 204, 0.38);
  --amber: #d9a15b;
  --amber-soft: rgba(217, 161, 91, 0.075);
  --shell: min(1440px, calc(100vw - 96px));
  --ease: cubic-bezier(.22,.78,.24,1);
}

body {
  background: #050708;
  color: var(--ink);
  font-size: 17px;
}

.site-header {
  --header-h: 92px;
  border-bottom-color: rgba(196, 213, 210, .12);
  background: rgba(2, 4, 5, .84);
  transition: height 180ms var(--ease), background-color 180ms var(--ease), border-color 180ms var(--ease);
}

@supports ((-webkit-backdrop-filter: blur(12px)) or (backdrop-filter: blur(12px))) {
  .site-header { -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
}

.site-header.is-scrolled {
  --header-h: 72px;
  border-bottom-color: rgba(196, 213, 210, .17);
  background: rgba(2, 4, 5, .94);
}

.brand { gap: 17px; }
.brand img { width: 48px; height: 48px; border: 0; }
.brand-copy strong { font-size: 18px; letter-spacing: .245em; }
.brand-copy small { color: #7f8988; font-size: 11px; letter-spacing: .11em; }
.site-nav { gap: clamp(19px, 2.15vw, 34px); }
.site-nav > a,
.language-switcher > button {
  color: #8b9694;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .025em;
  text-transform: none;
}
.language-switcher > button { min-width: 64px; padding: 12px 14px; }

.hero {
  min-height: clamp(780px, 88vh, 920px);
  padding-top: 92px;
  border-bottom: 0;
  background: #020405;
}

.lattice-media {
  inset: 92px 0 0;
  background: #020405;
}

.lattice-media::after {
  z-index: 3;
  width: 66%;
  background: linear-gradient(90deg, #020405 0%, rgba(2,4,5,.96) 42%, rgba(2,4,5,.63) 69%, transparent 100%);
}

.lattice-media::before {
  content: "";
  position: absolute;
  z-index: 4;
  top: 10%;
  bottom: 10%;
  left: var(--touch-x);
  width: 1px;
  opacity: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(143,209,204,.35) 30%, rgba(143,209,204,.55) 50%, rgba(143,209,204,.25) 70%, transparent);
  transform: translateX(-.5px);
  transition: opacity 140ms var(--ease);
}

.hero.is-touching .lattice-media::before { opacity: .42; }
.lattice-base,
.lattice-touch { object-position: center; }
.lattice-base { filter: brightness(.84) saturate(.68) contrast(1.045); transform: scale(1.006); }
.lattice-touch {
  -webkit-clip-path: ellipse(0 0 at var(--touch-x) var(--touch-y));
  clip-path: ellipse(0 0 at var(--touch-x) var(--touch-y));
  filter: brightness(1.12) saturate(.9) contrast(1.08);
  transform: translate3d(var(--touch-dx), var(--touch-dy), 0) scale(1.015);
  transition: opacity 130ms var(--ease), transform 260ms var(--ease);
}

html[data-visual="void"] .hero.is-touching .lattice-touch {
  opacity: .88;
  -webkit-clip-path: ellipse(190px 270px at var(--touch-x) var(--touch-y));
  clip-path: ellipse(190px 270px at var(--touch-x) var(--touch-y));
}

html[data-visual="field"] .lattice-base { filter: brightness(.72) saturate(.7) contrast(1.06); }
html[data-visual="field"] .lattice-touch { filter: brightness(1.18) saturate(.95) contrast(1.12); }
html[data-visual="field"] .hero.is-touching .lattice-touch {
  opacity: .94;
  -webkit-clip-path: ellipse(235px 205px at var(--touch-x) var(--touch-y));
  clip-path: ellipse(235px 205px at var(--touch-x) var(--touch-y));
}

@keyframes field-line-breathe {
  0%, 12%, 100% { opacity: var(--field-line-low); }
  46%, 62% { opacity: var(--field-line-high); }
}

.hero-layout {
  min-height: clamp(688px, calc(88vh - 92px), 828px);
  grid-template-columns: minmax(0, 700px) 1fr;
}

.hero-copy { padding: 86px 0 68px; }
.eyebrow { margin-bottom: 26px; color: var(--cyan); font-size: 11px; letter-spacing: .15em; }
.eyebrow > span { width: 22px; height: 1px; }
.hero h1 {
  max-width: 700px;
  font-size: clamp(52px, 4.8vw, 70px);
  font-weight: 600;
  line-height: 1.015;
  letter-spacing: -.046em;
}

html:lang(ja) .hero h1 { max-width: 640px; font-size: clamp(48px, 4.25vw, 61px); line-break: strict; word-break: normal; line-height: 1.14; letter-spacing: -.012em; }
html:lang(zh-hant) .hero h1 { max-width: 610px; font-size: clamp(50px, 4.5vw, 66px); line-height: 1.1; letter-spacing: -.018em; }
.hero-lede { max-width: 550px; margin-top: 30px; color: #abb4b2; font-size: 16px; line-height: 1.68; }
.experience-inline { max-width: 510px; margin: 19px 0 25px; padding-top: 14px; border-top-color: rgba(143,209,204,.22); }
.experience-inline > span { color: #9eaaa7; font-family: var(--sans); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.experience-inline p { margin-top: 8px; color: #818c89; font-size: 13px; line-height: 1.55; }
.button { min-height: 54px; padding-inline: 28px; font-size: 12px; letter-spacing: .055em; }
.button-primary { min-width: 292px; background: #c4e3e0; border-color: #c4e3e0; color: #07100f; }
.button-primary:hover { background: #e0eeec; border-color: #e0eeec; }
.hero-note { margin-top: 14px; font-size: 11px; letter-spacing: .105em; }

.lattice-callouts { inset: 0 0 0 49%; }
.lattice-callouts > .interaction-hint { top: 9%; color: #7c8885; font-family: var(--sans); font-weight: 500; letter-spacing: .05em; text-transform: none; }
.callout {
  min-width: 156px;
  padding: 4px 0 3px 16px;
  border: 0;
  border-left: 1px solid rgba(143,209,204,.62);
  background: transparent;
  box-shadow: none;
}
.callout::before {
  content: "";
  position: absolute;
  top: -5px;
  left: -3px;
  width: 5px;
  height: 5px;
  background: var(--cyan);
}
.callout::after { width: 36px; height: 1px; margin-top: 10px; opacity: .62; }
.callout span { color: #7f8b88; font-family: var(--sans); font-size: 10px; font-weight: 500; letter-spacing: .08em; }
.callout strong { margin-top: 7px; color: #e6ebe9; font-size: 12px; letter-spacing: .055em; }
.callout-intake { top: 26%; left: 42%; }
.callout-identity { top: 54%; left: 8%; }
.callout-retention { top: 48%; right: 1%; }
.callout-human { right: 9%; bottom: 11%; }
.callout.is-boundary { border-color: rgba(217,161,91,.68); }
.callout.is-boundary::before { background: var(--amber); }

.attestation {
  position: relative;
  border: 0;
  background: #06090a;
  box-shadow: inset 0 1px rgba(196,213,210,.1), inset 0 -1px rgba(196,213,210,.1);
}
.attestation-grid { position: relative; grid-template-columns: 1.18fr repeat(7, 1fr); }
.attestation-grid::before {
  content: "";
  position: absolute;
  top: 41px;
  right: 22px;
  left: 22px;
  height: 1px;
  background: linear-gradient(90deg, rgba(143,209,204,.45), rgba(143,209,204,.16) 76%, rgba(217,161,91,.34));
}
.attestation-grid > div {
  position: relative;
  min-height: 126px;
  padding: 20px 22px 24px;
  border: 0;
}
.attestation-grid > div:first-child { border: 0; }
.attestation-grid > div::before {
  content: "";
  position: absolute;
  z-index: 1;
  top: 37px;
  left: 22px;
  width: 8px;
  height: 8px;
  border: 1px solid rgba(143,209,204,.55);
  background: #06090a;
}
.attestation-grid > .attestation-item.is-boundary::before { border-color: rgba(217,161,91,.7); }
.attestation-grid span { min-height: 17px; color: #74807e; font-family: var(--sans); font-weight: 500; letter-spacing: .055em; }
.attestation-grid strong { margin-top: 31px; font-size: 12px; letter-spacing: .055em; }
.attestation-grid small { margin-top: 8px; color: #697573; font-family: var(--sans); font-weight: 400; }
.attestation-title code { margin-top: 9px; }

.section-shell { padding: clamp(104px, 8.5vw, 148px) 0; border-bottom: 0; }
.section-heading { grid-template-columns: minmax(0, 1.12fr) minmax(320px, .58fr); gap: 92px; margin-bottom: 70px; }
.section-heading h2,
.experience h2,
.about h2,
.scenarios h2,
.contact h2 {
  font-size: clamp(40px, 3.55vw, 52px);
  line-height: 1.07;
  letter-spacing: -.038em;
}
.section-heading > p { max-width: 480px; color: #929d9a; font-size: 16px; }

.services { background: #050708; }
.service-grid { grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 22px 28px; }
.service-card {
  min-height: 356px;
  padding: 34px 36px 38px;
  border-top: 1px solid #3b494b;
  background: rgba(11,15,17,.6);
  transition: transform 180ms var(--ease), background-color 180ms var(--ease), border-color 180ms var(--ease);
}
.service-card:nth-child(4n + 1), .service-card:nth-child(4n + 4) { grid-column: span 7; }
.service-card:nth-child(4n + 2), .service-card:nth-child(4n + 3) { grid-column: span 5; }
.service-card:hover { border-top-color: var(--cyan); background: #0d1214; transform: translateY(-3px); }
.service-card header { padding-bottom: 20px; border-bottom: 0; }
.service-card header span,
.service-card header code { color: #72807d; font-size: 11px; }
.service-card h3 { margin-top: 54px; font-size: clamp(27px, 2.25vw, 34px); }
.service-card > p { font-size: 15px; }
.service-card li { font-size: 13px; }

.experience { background: #020405; box-shadow: inset 0 1px rgba(196,213,210,.08), inset 0 -1px rgba(196,213,210,.08); }
.experience-layout { grid-template-columns: minmax(0,.86fr) minmax(520px,1.14fr); gap: clamp(72px,8vw,132px); }
.detail-lattice {
  min-height: 640px;
  border: 0;
  outline: 1px solid rgba(196,213,210,.14);
  background: #050708;
}
.detail-lattice::after {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(2,4,5,.08), transparent 48%, rgba(2,4,5,.32));
}
.detail-lattice-base { filter: brightness(.72) saturate(.64) contrast(1.08); }
.detail-lattice-touch {
  -webkit-clip-path: ellipse(0 0 at var(--detail-x) var(--detail-y));
  clip-path: ellipse(0 0 at var(--detail-x) var(--detail-y));
  filter: brightness(1.14) saturate(.88) contrast(1.1);
  transform: translate3d(var(--detail-dx),var(--detail-dy),0) scale(1.02);
  transition: opacity 130ms var(--ease), transform 260ms var(--ease);
}
.detail-lattice.is-touching .detail-lattice-touch {
  opacity: .92;
  -webkit-clip-path: ellipse(175px 205px at var(--detail-x) var(--detail-y));
  clip-path: ellipse(175px 205px at var(--detail-x) var(--detail-y));
}
html[data-visual="void"] .detail-lattice img { object-position: 68% center; }
html[data-visual="field"] .detail-lattice img { object-position: 73% center; }
.detail-interaction-hint { background: rgba(2,4,5,.66); font-family: var(--sans); font-weight: 500; letter-spacing: .045em; text-transform: none; }
.detail-signal {
  z-index: 3;
  min-width: 170px;
  padding: 5px 0 4px 15px;
  border: 0;
  border-left: 1px solid rgba(143,209,204,.56);
  background: transparent;
  box-shadow: none;
}
.detail-signal span { color: #788582; font-family: var(--sans); font-weight: 500; }
.detail-signal-3 { border-color: rgba(217,161,91,.66); }
.principle-list { border-top-color: #2d393b; }
.principle-list > div { padding-block: 17px; border-bottom-color: #222c2e; }

.approach { background: #070a0b; }
.process-grid { gap: clamp(30px, 4vw, 58px); }
.process-grid li { padding-top: 22px; border-top-width: 1px; }
.process-grid code { min-height: 38px; margin-top: 20px; color: #72807d; font-family: var(--sans); font-weight: 500; letter-spacing: .04em; }
.process-grid h3 { margin-top: 48px; font-size: 25px; }
.process-grid p { font-size: 14px; }

.trust { background: #080b0d; box-shadow: inset 0 1px rgba(196,213,210,.08); }
.trust-grid { grid-template-columns: minmax(0,1.12fr) minmax(0,.88fr); gap: 34px; }
.trust-ledger { border: 0; border-top: 1px solid #435154; background: #0a0e10; }
.privacy-notice { border-color: #2e3a3d; background: #0d1214; }
.trust-ledger dl > div { grid-template-columns: minmax(150px,.38fr) minmax(0,.62fr); padding: 24px 2px; }
.trust-ledger > header,
.machine-link { padding-inline: 2px; }
.privacy-notice h3 { font-size: clamp(28px, 2.7vw, 38px); }
.zero-program {
  margin-top: 92px;
  border: 0;
  border-top: 1px solid #405053;
  background: transparent;
}
.zero-program-heading { padding: 34px 0 38px; }
.zero-grid { border-bottom: 1px solid var(--line); }
.zero-item { min-height: 178px; padding: 29px 28px; }
.zero-item strong { font-size: 31px; font-weight: 500; }
.transparency-archive { margin-top: 92px; border-color: #334043; background: #0a0e10; }
.transparency-heading { padding: 31px 30px 34px; }
.retention { margin-top: 68px; border-color: #2f3b3e; }
.legal-boundary { margin-top: 42px; border-width: 0 0 0 2px; }

.about { background: #030506; box-shadow: inset 0 1px rgba(196,213,210,.07); }
.about-layout { grid-template-columns: minmax(0,.78fr) minmax(520px,1.22fr); gap: clamp(70px,8vw,124px); }
.about-facts { gap: 0 34px; border: 0; border-top: 1px solid #354245; }
.about-facts > div { min-height: 172px; padding: 27px 0; border: 0; border-bottom: 1px solid #222c2e; }
.about-facts dd { font-size: 26px; }

.scenarios { background: #070a0b; }
.scenario-list { border-top-color: #354245; }
.scenario-row { border-bottom-color: #283335; transition: background-color 150ms var(--ease), padding 150ms var(--ease), color 150ms var(--ease); }
.scenario-row:hover { padding-inline: 14px; background: rgba(143,209,204,.045); }
.scenario-row > strong { font-size: 16px; }

.contact { background: #030506; }
.contact-panel {
  padding: clamp(44px,5.5vw,78px);
  border: 0;
  border-top: 1px solid var(--cyan-line);
  background: linear-gradient(135deg, #0d1214 0%, #090d0f 72%);
}
.site-footer { background: #010203; }

@media (max-width: 1280px) {
  :root { --shell: min(100% - 48px, 1160px); }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .site-nav {
    position: fixed;
    top: var(--header-h);
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 18px 24px 24px;
    border-bottom: 1px solid var(--line-strong);
    background: #020405;
  }
  .site-nav.is-open { display: grid; }
  .site-nav > a { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .language-switcher { margin-top: 8px; }
  .language-switcher > button { width: 100%; text-align: left; }
  .language-menu { position: static; margin-top: 8px; }
  .attestation-grid { overflow-x: auto; overscroll-behavior-x: contain; scroll-snap-type: x proximity; grid-template-columns: repeat(8,minmax(174px,1fr)); }
  .attestation-grid > div { min-width: 174px; scroll-snap-align: start; }
}

@media (min-width: 821px) and (max-width: 1279px) {
  .site-header,
  .site-header.is-scrolled { --header-h: 80px; }
  .brand img { width: 42px; height: 42px; }
  .brand-copy small { display: none; }
  .hero { min-height: 900px; padding-top: 80px; }
  .lattice-media { inset: 80px 0 0; }
  .lattice-media::after { width: 75%; }
  .lattice-base,
  .lattice-touch { object-position: 74% center; }
  .hero-layout { min-height: 820px; grid-template-columns: minmax(0,.59fr) minmax(330px,.41fr); gap: 26px; }
  .hero-copy { padding: 62px 0 74px; }
  .hero h1 { font-size: clamp(46px, 5vw, 54px); }
  html:lang(ja) .hero h1 { font-size: clamp(42px, 4.7vw, 50px); }
  .hero-lede { max-width: 490px; font-size: 15px; }
  .lattice-callouts {
    position: relative;
    inset: auto;
    display: grid;
    grid-template-columns: repeat(2,minmax(0,1fr));
    gap: 36px 18px;
    align-content: end;
    min-height: 470px;
    padding-bottom: 76px;
  }
  .lattice-callouts > .interaction-hint { position: absolute; top: 30px; right: 0; }
  .callout,
  .callout-intake,
  .callout-identity,
  .callout-retention,
  .callout-human { position: relative; inset: auto; min-width: 0; }
  .section-heading { gap: 58px; }
  .experience-layout,
  .about-layout { grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 54px; }
}

@media (min-width: 821px) and (max-height: 800px) {
  .site-header,
  .site-header.is-scrolled { --header-h: 76px; }
  .hero { min-height: 680px; padding-top: 76px; }
  .lattice-media { inset: 76px 0 0; }
  .hero-layout { min-height: 604px; }
  .hero-copy { padding: 38px 0 36px; }
  .hero h1 { font-size: clamp(44px, 4.45vw, 58px); }
  html:lang(ja) .hero h1 { font-size: clamp(41px, 4.1vw, 53px); }
  .hero-lede { margin-top: 20px; font-size: 14px; line-height: 1.55; }
  .experience-inline { margin: 15px 0 18px; padding-top: 11px; }
  .experience-inline p { font-size: 11px; }
}

@media (max-width: 820px) {
  :root { --shell: calc(100% - 32px); }
  .site-header,
  .site-header.is-scrolled { --header-h: 72px; }
  .brand { gap: 12px; }
  .brand img { width: 38px; height: 38px; }
  .brand-copy strong { font-size: 15px; letter-spacing: .2em; }
  .hero { display: block; min-height: 0; padding-top: 72px; }
  .hero-layout { display: block; min-height: 0; padding-bottom: 30px; }
  .hero-copy { width: auto; margin: 0; padding: 46px 0 20px; }
  .hero h1 { max-width: 660px; font-size: clamp(38px, 9.8vw, 50px); line-height: 1.06; }
  html:lang(ja) .hero h1 { font-size: clamp(34px, 8.7vw, 44px); line-height: 1.2; }
  html:lang(zh-hant) .hero h1 { max-width: 520px; font-size: clamp(38px, 9.5vw, 48px); line-height: 1.13; }
  .hero-lede { max-width: 590px; margin-top: 24px; font-size: 15px; line-height: 1.62; }
  .experience-inline { max-width: 540px; }
  .lattice-media {
    position: absolute;
    z-index: 0;
    inset: 72px 0 0;
    width: auto;
    height: auto;
  }
  .lattice-media::after {
    width: 100%;
    background: linear-gradient(180deg, rgba(2,4,5,.48) 0%, rgba(2,4,5,.24) 52%, rgba(2,4,5,.36) 100%);
  }
  .lattice-media::before { top: 0; bottom: 0; }
  .lattice-base,
  .lattice-field-lines,
  .lattice-touch { object-position: 72% center; }
  .lattice-field-lines { --field-line-low: .08; --field-line-high: .64; animation-duration: 7.6s; }
  html[data-visual="void"] .lattice-base { filter: brightness(1.12) saturate(.78) contrast(1.02); }
  html[data-visual="field"] .lattice-base { filter: brightness(1.06) saturate(.82) contrast(1.02); }
  .lattice-callouts {
    position: relative;
    z-index: 4;
    inset: auto;
    display: grid;
    grid-template-columns: repeat(2,minmax(0,1fr));
    gap: 18px 14px;
    width: auto;
    min-height: 220px;
    height: auto;
    margin: 14px 0 0;
    padding: 18px 0 22px;
    align-content: space-between;
  }
  .lattice-callouts > .interaction-hint { position: static; grid-column: 1 / -1; padding: 0; color: #87928f; }
  .callout,
  .callout-intake,
  .callout-identity,
  .callout-retention,
  .callout-human { position: relative; inset: auto; min-width: 0; min-height: 66px; padding: 4px 0 4px 13px; }
  .callout:nth-of-type(even) { justify-self: end; width: min(100%, 156px); }
  .callout:nth-of-type(odd) { width: min(100%, 156px); }
  .attestation-grid { overflow: visible; grid-template-columns: repeat(2,minmax(0,1fr)); scroll-snap-type: none; }
  .attestation-grid::before { display: none; }
  .attestation-grid > div { min-width: 0; min-height: 112px; padding: 18px 16px 20px; border-bottom: 1px solid #202a2c; }
  .attestation-grid > div::before { top: 19px; left: 16px; }
  .attestation-grid span { padding-left: 15px; }
  .attestation-grid strong { margin-top: 24px; }
  .attestation-title { grid-column: 1 / -1; }
  .section-shell { padding: 92px 0; }
  .section-heading { grid-template-columns: 1fr; gap: 25px; margin-bottom: 54px; }
  .experience-layout,
  .trust-grid,
  .about-layout,
  .scenarios-layout,
  .contact-panel { grid-template-columns: minmax(0,1fr); }
  .experience-layout,
  .about-layout,
  .scenarios-layout,
  .contact-panel { gap: 48px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card:nth-child(n) { grid-column: auto; }
  .service-card { min-height: 0; }
  .detail-lattice { min-height: 500px; }
  html[data-visual="void"] .detail-lattice-base { filter: brightness(1.06) saturate(.76) contrast(1.04); }
  html[data-visual="field"] .detail-lattice-base { filter: brightness(1.02) saturate(.8) contrast(1.04); }
  .mobile-sensor-field { display: none; }
  .mobile-touch-probe {
    width: 62px;
    height: 62px;
    border: 0;
    border-radius: 0;
    background: radial-gradient(circle, rgba(226,240,237,.84) 0 1px, rgba(143,209,204,.16) 2px 16%, transparent 17%);
    box-shadow: none;
  }
  .mobile-touch-probe::before { inset: 9px; border: 1px solid rgba(143,209,204,.34); border-radius: 0; }
  .mobile-touch-probe::after { width: 23px; height: 23px; opacity: .72; }
  html[data-visual="void"] .hero.is-touching .lattice-touch {
    -webkit-clip-path: ellipse(132px 112px at var(--touch-x) var(--touch-y));
    clip-path: ellipse(132px 112px at var(--touch-x) var(--touch-y));
  }
  html[data-visual="field"] .hero.is-touching .lattice-touch {
    -webkit-clip-path: ellipse(146px 124px at var(--touch-x) var(--touch-y));
    clip-path: ellipse(146px 124px at var(--touch-x) var(--touch-y));
  }
  .detail-lattice.is-touching .detail-lattice-touch {
    -webkit-clip-path: ellipse(122px 138px at var(--detail-x) var(--detail-y));
    clip-path: ellipse(122px 138px at var(--detail-x) var(--detail-y));
  }
}

@media (max-width: 560px) {
  :root { --shell: calc(100% - 32px); }
  .button-primary { width: 100%; min-width: 0; }
  .hero-copy { display: flex; padding: 38px 0 30px; }
  .hero h1 { font-size: clamp(35px, 9.4vw, 39px); line-height: 1.08; }
  html:lang(ja) .hero h1 { font-size: clamp(32px, 8.5vw, 36px); line-height: 1.22; }
  html:lang(zh-hant) .hero h1 { font-size: clamp(36px, 9.2vw, 40px); line-height: 1.16; }
  .hero-lede { font-size: 15px; }
  .hero-copy > .button-primary { margin-top: 22px; }
  .lattice-callouts { min-height: 214px; margin-top: 12px; gap: 14px 10px; padding-top: 15px; }
  .callout { min-height: 62px; }
  .callout span { font-size: 11px; }
  .callout strong { font-size: 11px; overflow-wrap: anywhere; }
  .section-shell { padding: 78px 0; }
  .section-heading h2,
  .experience h2,
  .about h2,
  .scenarios h2,
  .contact h2 { font-size: clamp(32px, 8.8vw, 39px); }
  .service-card { padding: 28px 24px 32px; }
  .service-card h3 { margin-top: 40px; }
  .detail-lattice { min-height: 390px; }
  .zero-program { margin-top: 70px; }
  .transparency-archive { margin-top: 70px; }
  .contact-panel { padding: 30px 22px; }
}

@media (max-width: 360px) {
  :root { --shell: calc(100% - 24px); }
  .brand-copy strong { font-size: 14px; }
  .hero h1 { font-size: 33px; }
  html:lang(ja) .hero h1 { font-size: 30px; }
  .lattice-callouts { gap: 12px 8px; }
  .callout { padding-left: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .lattice-base,
  .lattice-touch,
  .detail-lattice-base,
  .detail-lattice-touch { transform: none !important; }
  .lattice-media::before,
  .mobile-touch-probe { display: none !important; }
  .lattice-field-lines { animation: none; opacity: .13; will-change: auto; }
}