:root {
  --ink: #151c24;
  --navy: #0b1522;
  --blue: #243a54;
  --paper: #fff;
  --mist: #f4f5f6;
  --line: rgba(21, 28, 36, 0.15);
  --muted: #626d78;
  --frame: 18px;
  --font:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    "Noto Sans JP", sans-serif;
  --page-y: 0;
  --mx: 0;
  --my: 0;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 14px;
  letter-spacing: 0.015em;
  line-break: strict;
  overflow-wrap: break-word;
}
body:after {
  content: "";
  position: fixed;
  z-index: 100;
  inset: 10px;
  border: 1px solid rgba(36, 58, 84, 0.42);
  border-radius: 17px;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.7),
    0 0 22px rgba(11, 21, 34, 0.07);
  pointer-events: none;
}
a {
  color: inherit;
  text-decoration: none;
}
h1,
h2,
h3,
p {
  margin: 0;
}
main {
  overflow: hidden;
}
.overline,
.section-no,
.eyebrow {
  font-size: 10px;
  line-height: 1.5;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 650;
}
.section-no {
  color: var(--blue);
}
.section-no.light {
  color: #b9c4d0;
}

.site-header {
  height: 84px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 10px 3.4vw 0;
  position: absolute;
  inset: 0 0 auto;
  z-index: 20;
  border-bottom: 1px solid var(--line);
}
.wordmark {
  display: flex;
  align-items: flex-end;
  gap: 9px;
  width: max-content;
}
.wordmark b {
  font:
    800 27px/0.8 Arial,
    sans-serif;
  letter-spacing: -0.09em;
}
.wordmark b:after {
  content: ".";
  color: var(--blue);
}
.wordmark i {
  font-style: normal;
  font-size: 7px;
  letter-spacing: 0.18em;
  color: var(--muted);
}
.site-header nav {
  display: flex;
  gap: 34px;
  font-size: 9px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.site-header nav a {
  position: relative;
}
.site-header nav a:after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -8px;
  height: 1px;
  background: var(--blue);
  transition: 0.3s;
}
.site-header nav a:hover:after {
  right: 0;
}
.header-contact {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  padding: 10px 13px;
  border: 1px solid var(--ink);
  transition: 0.25s;
}
.header-contact:hover {
  background: var(--ink);
  color: #fff;
}

.hero-quiet {
  min-height: 690px;
  height: 100svh;
  max-height: 920px;
  padding: 74px 3.4vw 0;
  display: grid;
  grid-template-columns: minmax(330px, 0.82fr) 1.18fr;
  position: relative;
}
.hero-quiet__copy {
  align-self: center;
  padding: 45px 5vw 70px 0;
  position: relative;
  z-index: 2;
}
.hero-quiet__copy:before {
  content: "";
  position: absolute;
  left: -3.4vw;
  top: -40vh;
  bottom: -40vh;
  width: 1px;
  background: var(--line);
}
.hero-quiet h1 {
  font-size: clamp(40px, 4.3vw, 61px);
  line-height: 1.17;
  letter-spacing: -0.05em;
  font-weight: 650;
  margin: 29px 0 28px;
}
.hero-quiet__lead {
  max-width: 460px;
  font-size: 13px;
  line-height: 2;
  color: #4d5967;
}
.inline-link {
  width: max-content;
  display: flex;
  gap: 45px;
  align-items: center;
  margin-top: 42px;
  padding: 0 2px 10px;
  border-bottom: 1px solid;
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.inline-link span {
  color: var(--blue);
}
.hero-quiet__meta {
  position: absolute;
  z-index: 3;
  left: 3.4vw;
  right: 3.4vw;
  bottom: 24px;
  padding-top: 15px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  font-size: 7px;
  letter-spacing: 0.16em;
  color: #738397;
}

.time-strip {
  height: 64px;
  overflow: hidden;
  background: var(--blue);
  color: #fff;
  display: flex;
  align-items: center;
}
.time-strip__track {
  display: flex;
  width: max-content;
  will-change: transform;
  animation: time-strip-flow 30s linear infinite;
}
.time-strip__group {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 54px;
  padding-right: 54px;
  white-space: nowrap;
  font-size: 10px;
  letter-spacing: 0.17em;
  font-weight: 650;
}
.time-strip__group span,
.time-strip__group b,
.time-strip__group i {
  flex: 0 0 auto;
}
.time-strip__group i {
  color: #c9d2dc;
  font-style: normal;
  letter-spacing: 0.11em;
}
.time-strip__group span:after,
.time-strip__group b:after,
.time-strip__group i:after {
  content: "·";
  margin-left: 54px;
  color: #7f91a4;
}
@keyframes time-strip-flow {
  to {
    transform: translate3d(-50%, 0, 0);
  }
}

.parallax-stage {
  position: relative;
  align-self: stretch;
  min-width: 0;
  overflow: hidden;
  border-left: 1px solid var(--line);
  cursor: crosshair;
  background: linear-gradient(
    135deg,
    #f8fafc 0 44%,
    #edf2f8 44% 44.2%,
    #fff 44.2%
  );
}
.stage-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 9vw 9vw;
  opacity: 0.32;
  transform: translate3d(calc(var(--mx) * -8px), calc(var(--my) * -8px), 0);
}
.stage-layer {
  position: absolute;
  border: 1px solid rgba(6, 26, 51, 0.28);
  background: rgba(255, 255, 255, 0.83);
  backdrop-filter: blur(5px);
  box-shadow: 0 22px 55px rgba(6, 26, 51, 0.09);
  padding: 18px;
  transition: transform 0.18s ease-out;
}
.stage-layer span {
  font-size: clamp(21px, 2.5vw, 37px);
  font-weight: 650;
  letter-spacing: -0.05em;
}
.stage-layer small {
  position: absolute;
  bottom: 15px;
  left: 18px;
  font-size: 7px;
  letter-spacing: 0.16em;
  color: #61748a;
}
.stage-layer--back {
  width: 56%;
  height: 39%;
  left: 12%;
  top: 14%;
  transform: translate3d(
    calc(var(--mx) * -12px),
    calc(var(--my) * -10px + var(--page-y) * -0.018px),
    0
  );
  background: #eaf0f7;
}
.stage-layer--mid {
  width: 54%;
  height: 40%;
  right: 9%;
  top: 31%;
  transform: translate3d(
    calc(var(--mx) * 22px),
    calc(var(--my) * 13px + var(--page-y) * -0.03px),
    0
  );
}
.stage-layer--front {
  width: 48%;
  height: 38%;
  left: 25%;
  top: 48%;
  color: #fff;
  background: var(--navy);
  border-color: var(--navy);
  transform: translate3d(
    calc(var(--mx) * -33px),
    calc(var(--my) * -20px + var(--page-y) * -0.044px),
    0
  );
}
.stage-layer--front small {
  color: #aab6c3;
}
.stage-layer--front i {
  position: absolute;
  right: 20px;
  bottom: 10px;
  font: 200 35px/1 var(--font);
  font-style: normal;
  color: #9ba9b8;
}
.stage-axis {
  position: absolute;
  left: 7%;
  right: 7%;
  bottom: 7%;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 7px;
  letter-spacing: 0.12em;
}
.stage-axis b {
  margin-right: auto;
}
.stage-axis i {
  height: 1px;
  flex: 1;
  max-width: 42px;
  background: var(--blue);
}
.stage-index {
  position: absolute;
  right: 20px;
  top: 20px;
  font-size: 8px;
  letter-spacing: 0.18em;
  writing-mode: vertical-rl;
}

.approach {
  padding: 118px 3.4vw 135px;
  display: grid;
  grid-template-columns: 26% 1fr;
  gap: 6vw;
}
.approach__aside {
  position: relative;
}
.approach__aside > p:last-child {
  position: sticky;
  top: 80px;
  margin-top: 35px;
  font-size: 11px;
  line-height: 1.9;
  color: var(--muted);
}
.approach__main {
  max-width: 930px;
}
.approach h2,
.business-compact h2,
.company-compact h2 {
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.2;
  letter-spacing: -0.045em;
  font-weight: 620;
}
.approach__lead {
  max-width: 600px;
  margin: 46px 0 70px 23%;
  font-size: 13px;
  line-height: 2.1;
  color: #485e75;
}
.method-list {
  border-top: 1px solid var(--line);
}
.method-list article {
  display: grid;
  grid-template-columns: 8% 33% 1fr;
  align-items: center;
  min-height: 115px;
  border-bottom: 1px solid var(--line);
  transition: 0.3s;
}
.method-list article:hover {
  padding-left: 13px;
  background: var(--mist);
}
.method-list span {
  font-size: 8px;
  color: var(--blue);
}
.method-list h3 {
  font-size: 18px;
  letter-spacing: -0.025em;
  font-weight: 600;
}
.method-list p {
  font-size: 11px;
  line-height: 1.8;
  color: var(--muted);
}

.ai-human {
  margin: 0 var(--frame);
  min-height: 610px;
  background: var(--navy);
  color: #fff;
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  position: relative;
  overflow: hidden;
}
.ai-human:after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent 0 5px,
    rgba(255, 255, 255, 0.016) 5px 6px
  );
  pointer-events: none;
}
.ai-human__visual {
  position: relative;
  min-height: 610px;
  border-right: 1px solid rgba(255, 255, 255, 0.15);
}
.logic-plane,
.judgement-plane {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.28);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}
.logic-plane span,
.judgement-plane span {
  font-size: clamp(30px, 3.7vw, 51px);
  letter-spacing: -0.05em;
  font-weight: 650;
}
.logic-plane i,
.judgement-plane i {
  font-style: normal;
  font-size: 7px;
  letter-spacing: 0.15em;
}
.logic-plane {
  left: 9%;
  top: 14%;
  width: 58%;
  height: 47%;
  color: var(--navy);
  background: #e8eef6;
  transform: translate3d(0, calc(var(--page-y) * -0.015px), 0) rotate(-2deg);
}
.judgement-plane {
  right: 8%;
  bottom: 12%;
  width: 57%;
  height: 46%;
  background: #243a54;
  transform: translate3d(0, calc(var(--page-y) * -0.027px), 0) rotate(2.5deg);
}
.merge-mark {
  position: absolute;
  z-index: 2;
  left: 48%;
  top: 44%;
  width: 92px;
  height: 92px;
  background: #fff;
  color: var(--navy);
  border-radius: 50%;
  display: grid;
  place-content: center;
  text-align: center;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.22);
}
.merge-mark b {
  font-size: 30px;
  font-weight: 300;
}
.merge-mark small {
  font-size: 6px;
  letter-spacing: 0.12em;
}
.ai-human__copy {
  align-self: center;
  padding: 70px 5vw;
}
.ai-human__copy h2 {
  font-size: clamp(34px, 3.8vw, 51px);
  line-height: 1.18;
  letter-spacing: -0.055em;
  font-weight: 600;
  margin: 29px 0 37px;
}
.ai-human__copy > p:last-child {
  font-size: 12px;
  line-height: 2.05;
  color: #adc0d4;
}

.business-compact {
  padding: 125px 3.4vw 135px;
}
.business-compact__head {
  display: grid;
  grid-template-columns: 24% 1fr 33%;
  align-items: end;
  margin-bottom: 65px;
}
.business-compact__head > p:last-child {
  font-size: 11px;
  line-height: 1.95;
  color: var(--muted);
  max-width: 390px;
}
.business-cards {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.business-card {
  min-height: 390px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  transition: 0.35s;
}
.business-card:before {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 0;
  background: var(--mist);
  transition: 0.35s;
}
.business-card > * {
  position: relative;
  z-index: 1;
}
.business-card:hover:before {
  height: 100%;
}
.business-card > div {
  display: flex;
  justify-content: space-between;
  font-size: 7px;
  letter-spacing: 0.13em;
}
.business-card > div i {
  font-style: normal;
  color: var(--blue);
}
.business-card h3 {
  font-size: clamp(30px, 3.3vw, 48px);
  letter-spacing: -0.06em;
  font-weight: 650;
  margin: auto 0 18px;
}
.business-card strong {
  font-size: 13px;
  font-weight: 600;
}
.business-card > p {
  font-size: 10px;
  line-height: 1.9;
  color: var(--muted);
  margin-top: 15px;
}
.business-card--one {
  background: var(--blue);
  color: #fff;
}
.business-card--one:before {
  background: #182a3f;
}
.business-card--one > p {
  color: #d4dbe3;
}

.company-compact {
  padding: 125px 3.4vw 135px;
  background: var(--mist);
  display: grid;
  grid-template-columns: 40% 1fr;
  gap: 9vw;
}
.company-compact__intro > p:last-child {
  font-size: 11px;
  line-height: 2;
  color: var(--muted);
  margin-top: 36px;
  max-width: 330px;
}
.company-compact h2 {
  margin-top: 29px;
}
.company-ledger {
  border-top: 1px solid var(--line);
}
.company-ledger > div {
  display: grid;
  grid-template-columns: 31% 1fr;
  padding: 19px 0;
  border-bottom: 1px solid var(--line);
}
.company-ledger span {
  font-size: 8px;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.company-ledger strong {
  font-size: 11px;
  line-height: 1.8;
  font-weight: 500;
}

.contact-compact {
  margin: 0 var(--frame);
  min-height: 510px;
  background: var(--navy);
  color: #fff;
  display: grid;
  grid-template-columns: 1fr 200px;
  align-items: center;
  padding: 80px 7vw;
  position: relative;
  overflow: hidden;
}
.contact-compact h2 {
  font-size: clamp(36px, 4.6vw, 62px);
  line-height: 1.12;
  letter-spacing: -0.06em;
  font-weight: 620;
  margin: 27px 0;
}
.contact-compact p:last-child {
  font-size: 12px;
  line-height: 1.9;
  color: #aabdd2;
}
.contact-compact > a {
  width: 190px;
  height: 190px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  font-size: 11px;
  transition: 0.35s;
  position: relative;
  z-index: 2;
}
.contact-compact > a:hover {
  background: #fff;
  color: var(--navy);
  transform: rotate(-5deg);
}
.contact-compact__line {
  position: absolute;
  width: 56vw;
  height: 56vw;
  border: 1px solid rgba(70, 132, 211, 0.2);
  border-radius: 50%;
  right: -26vw;
  bottom: -39vw;
  box-shadow:
    0 0 0 7vw rgba(70, 132, 211, 0.025),
    0 0 0 14vw rgba(70, 132, 211, 0.018);
}

footer {
  background: var(--navy);
  color: #fff;
  padding: 80px 3.4vw 30px;
}
.wordmark--light i {
  color: #90a5bb;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: start;
  padding-bottom: 58px;
}
.footer-top p {
  text-align: right;
  font-size: 9px;
  line-height: 1.8;
  letter-spacing: 0.14em;
  color: #91a7bd;
}
.footer-nav {
  display: flex;
  gap: 34px;
  padding: 21px 0;
  border-top: 1px solid #263d56;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.footer-bottom {
  padding-top: 20px;
  border-top: 1px solid #263d56;
  display: flex;
  justify-content: space-between;
  font-size: 8px;
  color: #8095aa;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.footer-bottom div {
  display: flex;
  gap: 25px;
}

.contact-page {
  padding-top: 74px;
}
.contact-hero {
  min-height: 440px;
  padding: 90px 3.4vw 65px;
  position: relative;
  display: grid;
  grid-template-columns: 24% 1fr;
  background: var(--mist);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.contact-hero h1 {
  font-size: clamp(39px, 4.8vw, 64px);
  line-height: 1.13;
  letter-spacing: -0.055em;
  margin: 25px 0 29px;
}
.contact-hero__lead {
  font-size: 12px;
  line-height: 2;
  color: #516980;
}
.contact-hero__code {
  position: absolute;
  right: 3vw;
  bottom: -0.2em;
  font-size: 145px;
  font-weight: 800;
  color: rgba(11, 79, 181, 0.06);
  letter-spacing: -0.09em;
}
.contact-body {
  padding: 95px 3.4vw 120px;
  display: grid;
  grid-template-columns: 30% 1fr;
  gap: 8vw;
}
.contact-body aside {
  max-width: 340px;
}
.contact-body aside h2 {
  font-size: 28px;
  margin: 23px 0;
}
.contact-body aside > p:not(.eyebrow) {
  font-size: 12px;
  line-height: 2;
  color: #5b7085;
}
.contact-body aside dl {
  margin: 42px 0 0;
  border-top: 1px solid var(--line);
}
.contact-body aside dl div {
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}
.contact-body aside dt {
  font-size: 7px;
  letter-spacing: 0.15em;
  color: #71859a;
  margin-bottom: 7px;
}
.contact-body aside dd {
  margin: 0;
  font-size: 11px;
}
.contact-form {
  max-width: 760px;
}
.form-row,
fieldset {
  margin: 0 0 36px;
  padding: 0;
  border: 0;
}
.form-row label,
fieldset legend {
  display: flex;
  justify-content: space-between;
  width: 100%;
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 11px;
}
.form-row label span,
fieldset legend span {
  font-size: 8px;
  color: var(--blue);
}
.form-row input,
.form-row textarea,
.form-row select {
  width: 100%;
  border: 0;
  border-bottom: 1px solid #91a1b1;
  border-radius: 0;
  background: transparent;
  padding: 14px 2px;
  font: 13px var(--font);
  color: var(--ink);
  outline: 0;
}
.form-row textarea {
  border: 1px solid #91a1b1;
  padding: 16px;
}
.checks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.checks label {
  position: relative;
}
.checks input {
  position: absolute;
  opacity: 0;
}
.checks span {
  display: block;
  padding: 17px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 10px;
}
.checks input:checked + span {
  background: var(--blue);
  color: #fff;
}
.privacy {
  display: flex;
  gap: 8px;
  font-size: 10px;
  margin-bottom: 26px;
}
.privacy a {
  text-decoration: underline;
}
.submit-button {
  width: 100%;
  height: 62px;
  border: 0;
  background: var(--ink);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 21px;
  font: 600 11px var(--font);
  cursor: pointer;
}
.form-note {
  font-size: 8px;
  color: #71859a;
  margin-top: 12px;
}
.form-complete {
  min-height: 400px;
  border: 1px solid var(--line);
  padding: 50px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.form-complete > span {
  font-size: 8px;
  letter-spacing: 0.2em;
  color: var(--blue);
}
.form-complete h2 {
  font-size: 35px;
  line-height: 1.3;
  margin: 23px 0;
}
.form-complete p {
  font-size: 11px;
  color: var(--muted);
}
.form-complete button {
  margin-top: 28px;
  width: max-content;
  background: none;
  border: 0;
  border-bottom: 1px solid;
  padding: 0 0 7px;
  font: 10px var(--font);
}

.mobile-dock {
  display: none;
}

.document-page {
  padding-top: 74px;
}
.document-hero {
  min-height: 440px;
  padding: 95px 3.4vw 70px;
  display: grid;
  grid-template-columns: 24% 1fr;
  align-items: start;
  background: var(--mist);
  border-bottom: 1px solid var(--line);
}
.document-hero h1 {
  font-size: clamp(36px, 4.2vw, 56px);
  line-height: 1.18;
  letter-spacing: -0.045em;
  font-weight: 620;
  margin: 25px 0 30px;
}
.document-hero > div > p:last-child {
  max-width: 540px;
  font-size: 13px;
  line-height: 2;
  color: var(--muted);
}
.document-layout {
  padding: 100px 3.4vw 130px;
  display: grid;
  grid-template-columns: 24% 1fr;
  gap: 7vw;
}
.document-layout > aside {
  align-self: start;
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 9px;
  letter-spacing: 0.13em;
  color: var(--muted);
}
.document-layout > aside strong {
  font-size: 13px;
  color: var(--ink);
}
.document-layout > aside a {
  width: max-content;
  margin-top: 22px;
  padding-bottom: 7px;
  border-bottom: 1px solid var(--line);
}
.document-article {
  max-width: 780px;
}
.document-intro {
  padding-bottom: 48px;
}
.document-intro h2 {
  font-size: 24px;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.document-intro p,
.document-article section p {
  font-size: 13px;
  line-height: 2.05;
  color: #4f5c69;
}
.document-article > section {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 22px;
  padding: 32px 0 38px;
  border-top: 1px solid var(--line);
}
.document-article > section > span {
  padding-top: 4px;
  font-size: 9px;
  color: var(--muted);
}
.document-article section h2 {
  font-size: 18px;
  letter-spacing: -0.02em;
  margin-bottom: 15px;
}
.document-article section a {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.legal-ledger {
  margin: 0;
}
.legal-ledger > div {
  display: grid;
  grid-template-columns: 28% 1fr;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}
.legal-ledger dt {
  font-size: 10px;
  color: var(--muted);
}
.legal-ledger dd {
  margin: 0;
  font-size: 12px;
  line-height: 1.8;
}

@media (max-width: 760px) {
  :root {
    --frame: 9px;
  }
  body {
    padding-bottom: 88px;
  }
  body:after {
    inset: 5px;
    border-radius: 11px;
  }
  .site-header {
    height: 66px;
    padding: 0 19px;
    grid-template-columns: 1fr auto;
    position: fixed;
    background: rgba(255, 255, 255, 0.86);
    backdrop-filter: blur(18px) saturate(1.2);
    -webkit-backdrop-filter: blur(18px) saturate(1.2);
  }
  .site-header nav {
    display: none;
  }
  .header-contact {
    font-size: 8px;
    padding: 9px 10px;
    gap: 10px;
  }
  .wordmark b {
    font-size: 24px;
  }
  .hero-quiet {
    height: auto;
    max-height: none;
    min-height: 0;
    padding: 66px 19px 0;
    display: block;
  }
  .hero-quiet__copy {
    min-height: 500px;
    padding: 90px 0 80px;
  }
  .hero-quiet h1 {
    font-size: 38px;
  }
  .hero-quiet__lead {
    font-size: 13px;
  }
  .parallax-stage {
    height: 470px;
    border: 1px solid var(--line);
  }
  .stage-layer--back {
    width: 69%;
    left: 5%;
    top: 13%;
  }
  .stage-layer--mid {
    width: 68%;
    right: 4%;
    top: 30%;
  }
  .stage-layer--front {
    width: 64%;
    left: 18%;
    top: 48%;
  }
  .stage-axis {
    display: none;
  }
  .hero-quiet__meta {
    position: relative;
    left: auto;
    right: auto;
    bottom: auto;
    padding: 18px 0 21px;
  }
  .hero-quiet__meta span:nth-child(2) {
    display: none;
  }
  .time-strip {
    height: 56px;
  }
  .time-strip__group {
    gap: 38px;
    padding-right: 38px;
    font-size: 9px;
  }
  .time-strip__group span:after,
  .time-strip__group b:after,
  .time-strip__group i:after {
    margin-left: 38px;
  }
  .approach {
    padding: 90px 19px 100px;
    grid-template-columns: 1fr;
    gap: 55px;
  }
  .approach__aside > p:last-child {
    position: static;
  }
  .approach h2,
  .business-compact h2,
  .company-compact h2 {
    font-size: 34px;
  }
  .approach__lead {
    margin: 35px 0 55px;
    font-size: 12px;
  }
  .method-list article {
    grid-template-columns: 11% 1fr;
    gap: 10px;
    padding: 23px 0;
  }
  .method-list p {
    grid-column: 2;
  }
  .ai-human {
    display: block;
  }
  .ai-human__visual {
    min-height: 475px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  }
  .logic-plane {
    width: 68%;
    height: 42%;
  }
  .judgement-plane {
    width: 66%;
    height: 41%;
  }
  .merge-mark {
    width: 75px;
    height: 75px;
  }
  .ai-human__copy {
    padding: 75px 28px 90px;
  }
  .business-compact {
    padding: 90px 19px 100px;
  }
  .business-compact__head {
    display: block;
    margin-bottom: 50px;
  }
  .business-compact__head h2 {
    margin: 24px 0 28px;
  }
  .business-cards {
    display: block;
  }
  .business-card {
    min-height: 310px;
  }
  .company-compact {
    padding: 90px 19px 100px;
    grid-template-columns: 1fr;
    gap: 65px;
  }
  .company-ledger > div {
    grid-template-columns: 34% 1fr;
  }
  .contact-compact {
    min-height: 560px;
    display: block;
    padding: 85px 28px;
  }
  .contact-compact > a {
    width: 150px;
    height: 150px;
    margin: 55px 0 0 auto;
  }
  footer {
    padding: 70px 20px 105px;
  }
  .footer-top {
    padding-bottom: 45px;
  }
  .footer-top p {
    font-size: 7px;
  }
  .footer-nav {
    gap: 18px;
    flex-wrap: wrap;
  }
  .footer-bottom {
    display: block;
  }
  .footer-bottom div {
    margin-top: 15px;
  }
  .contact-page {
    padding-top: 66px;
  }
  .contact-hero {
    min-height: 390px;
    padding: 75px 19px 50px;
    grid-template-columns: 1fr;
    gap: 42px;
  }
  .contact-hero h1 {
    font-size: 34px;
  }
  .contact-body {
    padding: 75px 19px 95px;
    grid-template-columns: 1fr;
    gap: 65px;
  }
  .checks {
    grid-template-columns: 1fr;
  }
  .form-complete {
    padding: 28px;
  }
  .form-complete h2 {
    font-size: 29px;
  }
  .mobile-dock {
    position: fixed;
    z-index: 90;
    left: 12px;
    right: 12px;
    bottom: calc(10px + env(safe-area-inset-bottom));
    height: 70px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    align-items: stretch;
    padding: 6px;
    border: 1px solid rgba(21, 28, 36, 0.16);
    border-radius: 21px;
    background: rgba(255, 255, 255, 0.88);
    box-shadow: 0 16px 46px rgba(11, 21, 34, 0.17);
    backdrop-filter: blur(20px) saturate(1.3);
    -webkit-backdrop-filter: blur(20px) saturate(1.3);
  }
  .mobile-dock > a,
  .dock-menu > summary {
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    border-radius: 15px;
    cursor: pointer;
    list-style: none;
  }
  .mobile-dock > a.is-active {
    background: var(--navy);
    color: #fff;
  }
  .mobile-dock b {
    font-size: 7px;
    letter-spacing: 0.08em;
    font-weight: 650;
  }
  .dock-icon {
    width: 26px;
    height: 25px;
    display: grid;
    place-items: center;
    font-size: 10px;
    font-weight: 700;
    border: 1px solid rgba(21, 28, 36, 0.16);
    border-radius: 8px;
  }
  .dock-icon--contact {
    background: var(--navy);
    color: #fff;
    border-color: var(--navy);
  }
  .is-active .dock-icon--contact {
    background: #fff;
    color: var(--navy);
  }
  .dock-menu {
  min-width: 0;
  height: 100%;
}

.dock-menu > summary {
  width: 100%;
  height: 100%;
  padding: 0;
  transform: translateY(2px);
}

.dock-menu > summary::-webkit-details-marker {
  display: none;
}

.dock-menu .dock-icon {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
}

.dock-menu .dock-icon i {
  display: block;
  width: 11px;
  height: 1px;
  background: currentColor;
}

.dock-menu[open] > summary {
  background: var(--mist);
}

.dock-menu[open]::before {
  content: "";
  position: fixed;
  z-index: -1;
  inset: 0;
  background: rgba(5, 12, 20, 0.28);
  backdrop-filter: blur(2px);
}
  .dock-sheet {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: calc(90px + env(safe-area-inset-bottom));
    padding: 24px;
    border-radius: 24px;
    color: #fff;
    background: var(--navy);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
  }
  .dock-sheet > div {
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.17);
  }
  .dock-sheet > div span {
    display: block;
    font-size: 7px;
    letter-spacing: 0.18em;
    color: #9aa9b8;
    margin-bottom: 8px;
  }
  .dock-sheet > div strong {
    font-size: 17px;
    font-weight: 550;
  }
  .dock-sheet > a {
    display: flex;
    justify-content: space-between;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.13);
    font-size: 13px;
  }
  .dock-sheet em {
    font-size: 8px;
    font-style: normal;
    color: #899aab;
  }
  .document-page {
    padding-top: 66px;
  }
  .document-hero {
    min-height: 410px;
    padding: 75px 19px 55px;
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .document-hero h1 {
    font-size: 34px;
  }
  .document-layout {
    padding: 75px 19px 105px;
    grid-template-columns: 1fr;
    gap: 60px;
  }
  .document-layout > aside {
    position: static;
  }
  .document-article > section {
    grid-template-columns: 38px 1fr;
    gap: 12px;
    padding: 28px 0 32px;
  }
  .document-article section h2 {
    font-size: 17px;
  }
  .legal-ledger > div {
    grid-template-columns: 30% 1fr;
    gap: 12px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .stage-grid,
  .stage-layer,
  .logic-plane,
  .judgement-plane {
    transform: none !important;
    transition: none !important;
  }
  .time-strip__track {
    animation: none;
  }
}
.section-label {
  font-size: 9px;
  line-height: 1.4;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 650;
  color: var(--blue);
}
.section-label span {
  margin-right: 10px;
  color: var(--muted);
}
.phrase {
  display: block;
}

/* PHP runtime interaction layer */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.menu-button,
.nav-contact {
  display: none;
}
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
.form-row select {
  width: 100%;
  border: 0;
  border-bottom: 1px solid #91a1b1;
  border-radius: 0;
  background: #fff;
  padding: 14px 2px;
  font: 13px var(--font);
  color: var(--ink);
  outline: 0;
}
.submit-button i {
  font-style: normal;
}
.php-errors {
  padding: 16px 18px;
  background: #fff1f2;
  border-left: 3px solid #ba3342;
  margin-bottom: 28px;
}
.php-errors p {
  font-size: 11px;
  line-height: 1.8;
  color: #8e2631;
}
.form-complete a {
  margin-top: 30px;
  width: max-content;
  border-bottom: 1px solid;
  padding-bottom: 7px;
  font-size: 10px;
}
.hp {
  position: absolute !important;
  left: -9999px !important;
}
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}