/* STCK v16. Opening layout reset; retired diagram and tab styles removed. */
@font-face {
  font-family:Zen Kaku;
  src:url('assets/fonts/zen-kaku-gothic-new-900-site.woff?v=20261009-members2') format('woff');
  font-weight:900;
  font-display:swap;
}

@font-face {
  font-family:Zen Kaku;
  src:url('assets/fonts/zen-kaku-gothic-new-500-site.woff?v=20261009-members2') format('woff');
  font-weight:400 600;
  font-display:swap;
}
:root {
  --ink: #171716;
  --muted: #65655f;
  --line: #d7d7d0;
  --accent: #ff4f2d;
  --margin: clamp(24px,5.6vw,100px);
  --body-font: "Zen Kaku","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
  --latin: "Helvetica Neue",Helvetica,sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font-family: var(--body-font);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: normal;
  -webkit-font-smoothing: antialiased;
}
body.modal-open {
  overflow: hidden;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}
button,a,summary {
  -webkit-tap-highlight-color: transparent;
}
button {
  border: 0;
  border-radius: 0;
  background: none;
}
a:focus-visible,button:focus-visible,summary:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 7px;
}
figure,h1,h2,h3,p {
  margin: 0;
}
p {
  text-wrap: pretty;
}
h1,h2,h3 {
  font-weight: 900;
  line-height: 1.4;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
.page-width {
  width: calc(100% - var(--margin)*2);
  max-width: 1440px;
  margin-inline: auto;
}
.section-space {
  padding-block: 140px;
}
.skip-link {
  clip-path: inset(50%);
  position: fixed;
  left: 20px;
  top: 15px;
  padding: 12px 20px;
  background: #fff;
  z-index: 100;
  transform: translateY(-180%);
}
.skip-link:focus {
  clip-path: none;
  transform: translateY(0);
}
.mobile-break {
  display: none;
}
.accent-text {
  color: var(--accent);
}
.site-header {
  padding-inline: var(--margin);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  background: #fff;
}
.wordmark {
  font-family: var(--latin);
  font-size: 49px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -3.5px;
  display: inline-block;
}
.navigation {
  display: flex;
  align-items: center;
  font-size: 13px;
  line-height: 1.4;
  font-weight: 700;
}
.navigation>a {
  padding: 15px 0;
  position: relative;
}
.navigation>a:after {
  content: "";
  position: absolute;
  bottom: 7px;
  height: 1px;
  left: 0;
  right: 0;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms cubic-bezier(0.23,1,0.32,1);
}
.navigation .nav-contact {
  padding: 14px 20px;
  border: 1px solid var(--ink);
  margin-left: 10px;
  display: flex;
  gap: 28px;
  align-items: center;
}
.navigation .nav-contact:after {
  display: none;
}
.nav-contact span {
  font-family: var(--latin);
  font-size: 21px;
  line-height: 1;
}
.menu-toggle {
  display: none;
}

.accent-rule {
  display: inline-block;
  width: 27px;
  height: 4px;
  background: var(--accent);
}

.section-label {
  display: flex;
  gap: 22px;
  align-items: baseline;
  line-height: 1.5;
}
.section-label>span:first-child {
  font-family: var(--latin);
  font-weight: 500;
}
.section-label>span:first-child:before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--accent);
  margin-right: 11px;
}
.section-label>span+span {
  color: var(--muted);
}

.company-copy .lead {
  font-size: 19px;
  line-height: 1.9;
  margin-bottom: 28px;
}
.text-link {
  padding: 0 0 12px;
  display: inline-flex;
  justify-content: space-between;
  align-items: center;
  gap: 52px;
  border-bottom: 1px solid var(--ink);
  font-size: 14px;
  line-height: 1.6;
  text-align: left;
}
.text-link span {
  font-family: var(--latin);
  font-size: 24px;
  line-height: 1;
  transition: transform 220ms cubic-bezier(0.23,1,0.32,1);
}

.alliance-feature {
  background: var(--ink);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.alliance-inner {
  padding-top: 40px;
  padding-bottom: 31px;
}
.alliance-topline {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-bottom: 30px;
  border-bottom: 1px solid #50504c;
}
.feature-number {
  font-family: var(--latin);
  font-size: 15px;
  color: var(--accent);
}
.feature-caption {
  margin-left: auto;
  color: #b6b6b0;
}
.alliance-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 95px;
  padding: 57px 0 50px;
}
.alliance-copy h3 {
  font-family: var(--latin);
  font-size: clamp(65px,7.3vw,115px);
  line-height: .87;
  letter-spacing: -.065em;
  font-weight: 700;
}
.alliance-period {
  color: var(--accent);
}
.alliance-heading {
  font-size: 31px;
  line-height: 1.6;
  font-weight: 900;
  margin-top: 35px;
  margin-bottom: 20px;
}
.alliance-copy>p:last-child {
  color: #d0d0ca;
  line-height: 1.9;
}
.alliance-topics {
  padding-top: 7px;
}
.topics-caption {
  color: #d0d0ca;
  margin-bottom: 25px;
}
.alliance-topics ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 33px;
}
.alliance-topics li {
  border-top: 1px solid #50504c;
  display: flex;
  gap: 18px;
  min-height: 112px;
  padding: 15px 0 20px;
  align-items: center;
}
.topic-number {
  align-self: flex-start;
  font-family: var(--latin);
  color: var(--accent);
  margin-top: 8px;
}
.alliance-topics li>span:last-child {
  font-size: 24px;
  line-height: 1.5;
  font-weight: 900;
}
.alliance-topics .topic-ai>span:last-child {
  font-family: var(--latin);
  color: var(--accent);
  font-size: 66px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -.07em;
}
.alliance-link {
  display: flex;
  align-items: center;
  gap: 30px;
  border-top: 1px solid #50504c;
  padding: 23px 0 0;
  font-size: 15px;
}
.link-route {
  color: #b6b6b0;
  margin-left: auto;
}
.large-arrow {
  font-family: var(--latin);
  font-size: 42px;
  line-height: 1;
  margin-left: 32px;
  transition: transform 220ms cubic-bezier(0.23,1,0.32,1);
}
.expand-mark {
  position: relative;
  width: 44px;
  height: 44px;
  flex: none;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: none;
}
.expand-mark:before,.expand-mark:after {
  content: "";
  position: absolute;
  width: 16px;
  height: 1px;
  background: var(--ink);
  left: 13px;
  top: 21px;
  transition: transform 220ms cubic-bezier(0.23,1,0.32,1);
}
.expand-mark:after {
  transform: rotate(90deg);
}
.company-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  margin-top: 48px;
}
.company h2 {
  font-size: 44px;
  line-height: 1.5;
  letter-spacing: -.04em;
}
.origin {
  margin-top: 65px;
}
.origin-word {
  font-family: var(--latin);
  font-size: clamp(74px,8.4vw,125px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.07em;
  white-space: nowrap;
}
.origin-word span {
  position: relative;
  color: var(--accent);
}
.origin-word span:after {
  content: "";
  position: absolute;
  width: 108%;
  height: 2px;
  left: -4%;
  top: 50%;
  background: var(--ink);
  transform: rotate(-55deg);
}
.origin-caption {
  color: var(--muted);
  margin-top: 17px;
}
.company-copy {
  padding-top: 8px;
}
.company-copy>p {
  line-height: 2;
  margin-bottom: 24px;
}
.company-facts {
  margin: 36px 0 27px;
}
.company-facts>div,.dialog-facts>div {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 20px;
  border-top: 1px solid var(--line);
  padding: 16px 0;
}
.company-facts>div:last-child {
  border-bottom: 1px solid var(--line);
}
dt {
  color: var(--muted);
}
dd {
  margin: 0;
}
.contact {
  padding-block: 61px 77px;
  background: var(--accent);
}
.contact .section-label>span:first-child:before {
  background: var(--ink);
}
.contact .section-label>span+span {
  color: var(--ink);
}
.contact-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 70px;
  margin-top: 38px;
}
.contact h2 {
  font-size: clamp(54px,6.6vw,96px);
  line-height: 1.3;
  letter-spacing: -.05em;
}
.contact-copy {
  width: 37%;
  padding-bottom: 7px;
}
.contact-row p {
  line-height: 2;
  margin-bottom: 31px;
}
.contact-button {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 35px;
  background: var(--ink);
  color: #fff;
  padding: 22px 25px;
  width: 100%;
  font-size: 14px;
  transition: none;
}
.contact-button span {
  font-family: var(--latin);
  font-size: 27px;
  line-height: 1;
  transition: transform 220ms cubic-bezier(0.23,1,0.32,1);
}
.site-footer {
  padding-top: 52px;
  padding-bottom: 25px;
}
.footer-main {
  display: flex;
  align-items: center;
  gap: 40px;
}
.footer-wordmark {
  font-size: 56px;
}
.footer-main nav {
  margin-left: auto;
  display: flex;
  gap: 27px;
}
.back-top {
  font-family: var(--latin);
  font-size: 28px;
  line-height: 1;
  padding: 10px 0 10px 25px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 48px;
  color: var(--muted);
  font-size: 11px;
}
.footer-bottom small {
  font-family: var(--latin);
  font-size: 10px;
}
.footer-bottom button {
  font-size: 10px;
  padding: 7px 0;
  text-decoration: underline;
  text-underline-offset: 4px;
}
dialog {
  border: 1px solid var(--ink);
  padding: 36px 40px 42px;
  max-width: 620px;
  width: calc(100% - 40px);
  max-height: 85dvh;
  color: var(--ink);
  background: #fff;
  overflow: auto;
}
dialog::backdrop {
  background: rgba(15,15,15,.5);
}
.dialog-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 13px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
  margin-bottom: 28px;
}
.dialog-top .dialog-close {
  font-family: var(--latin);
  font-weight: 300;
  font-size: 32px;
  line-height: 1;
  min-width: 36px;
  min-height: 36px;
}
dialog h2 {
  font-size: 30px;
  line-height: 1.5;
  margin-bottom: 23px;
}
dialog p {
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 20px;
}
.dialog-note {
  color: var(--muted);
  font-size: 13px!important;
  border-top: 1px solid var(--line);
  padding-top: 19px;
  margin-top: 26px;
}
.dialog-facts {
  font-size: 14px;
}
.review-list {
  font-size: 14px;
  padding-left: 20px;
}
.review-list li {
  margin-bottom: 14px;
}
#contact-interest {
  font-size: 13px;
  color: var(--muted);
}

@media(min-width:1680px) {
.site-header {
    padding-inline: max(var(--margin),calc((100vw - 1440px)/2));
  }
}

@media(max-width:1100px) {
.site-header {
    height: 100px;
  }
.navigation .nav-contact {
    padding-inline: 15px;
    margin-left: 0;
    gap: 18px;
  }

.section-space {
    padding-block: 105px;
  }

.alliance-grid {
    gap: 45px;
  }
.alliance-copy h3 {
    font-size: 7.5vw;
  }
.alliance-topics ol {
    column-gap: 20px;
  }
.alliance-topics li {
    gap: 12px;
    min-height: 105px;
  }
.alliance-topics li>span:last-child {
    font-size: 21px;
  }
.alliance-topics .topic-ai>span:last-child {
    font-size: 60px;
  }
.company-grid {
    gap: 55px;
  }
.company h2 {
    font-size: 37px;
  }
.company-copy .lead {
    font-size: 17px;
  }
.contact-copy {
    width: 40%;
  }
.desktop-break {
    display: none;
  }
}

@media(max-width:760px) {
:root {
    --margin: 24px;
  }
html {
    scroll-padding-top: 24px;
  }
.site-header {
    padding-inline: 24px;
    gap: 20px;
  }
.wordmark {
    font-size: 42px;
    letter-spacing: -3px;
  }
.menu-toggle {
    display: flex;
    align-items: center;
    padding: 10px 0 10px 14px;
    min-height: 44px;
  }
.menu-lines {
    position: relative;
    width: 24px;
    height: 15px;
  }
.menu-lines:before,.menu-lines:after {
    content: "";
    position: absolute;
    left: 0;
    width: 24px;
    height: 1px;
    background: var(--ink);
    transition: transform 220ms cubic-bezier(0.23,1,0.32,1);
  }
.menu-lines:before {
    top: 3px;
  }
.menu-lines:after {
    top: 11px;
  }
.menu-toggle[aria-expanded=true] .menu-lines:before {
    top: 7px;
    transform: rotate(45deg);
  }
.menu-toggle[aria-expanded=true] .menu-lines:after {
    top: 7px;
    transform: rotate(-45deg);
  }
.navigation {
    display: none;
    top: 88px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--ink);
  }
.navigation.is-open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
  }
.navigation .nav-contact {
    justify-content: space-between;
  }

.accent-rule {
    width: 21px;
    height: 3px;
  }
.mobile-break {
    display: block;
  }
.section-space {
    padding-block: 79px;
  }
.section-label {
    gap: 17px;
    font-size: 11px;
  }
.section-label>span:first-child {
    font-size: 10px;
  }
.section-label>span:first-child:before {
    width: 6px;
    height: 6px;
    margin-right: 8px;
  }

.text-link {
    font-size: 13px;
    gap: 40px;
    padding-bottom: 11px;
  }

.alliance-inner {
    padding-top: 27px;
    padding-bottom: 23px;
  }
.alliance-topline {
    gap: 15px;
    padding-bottom: 22px;
  }
.feature-number {
    font-size: 12px;
  }
.feature-caption {
    text-align: right;
    line-height: 1.5;
  }
.alliance-grid {
    display: block;
    padding: 36px 0 30px;
  }
.alliance-copy h3 {
    font-size: clamp(61px,17vw,100px);
    line-height: .88;
    letter-spacing: -.065em;
  }
.alliance-heading {
    font-size: 27px;
    line-height: 1.55;
    margin-top: 28px;
    margin-bottom: 18px;
  }
.alliance-topics {
    margin-top: 37px;
    padding-top: 0;
  }
.topics-caption {
    margin-bottom: 17px;
  }
.alliance-topics ol {
    column-gap: 26px;
  }
.alliance-topics li {
    min-height: 97px;
    gap: 15px;
    padding: 14px 0 19px;
  }
.alliance-topics li>span:last-child {
    font-size: 22px;
    line-height: 1.4;
  }
.topic-number {
    margin-top: 5px;
  }
.alliance-topics .topic-ai>span:last-child {
    font-size: 58px;
  }
.alliance-link {
    gap: 15px;
    padding-top: 21px;
  }
.link-route {
    display: none;
  }
.large-arrow {
    font-size: 35px;
    margin-left: auto;
  }
.expand-mark {
    width: 30px;
    height: 30px;
    margin-top: 6px;
  }
.expand-mark:before,.expand-mark:after {
    width: 12px;
    left: 8px;
    top: 14px;
  }
.company-grid {
    display: block;
    margin-top: 31px;
  }
.company h2 {
    font-size: 35px;
    line-height: 1.5;
  }
.origin {
    margin-top: 31px;
  }
.origin-word {
    font-size: 90px;
    letter-spacing: -.075em;
  }
.origin-caption {
    margin-top: 12px;
  }
.company-copy {
    padding-top: 0;
    margin-top: 35px;
  }
.company-copy .lead {
    font-size: 17px;
    line-height: 1.9;
  }
.company-copy>p {
    line-height: 2;
    margin-bottom: 21px;
  }
.company-facts {
    margin-top: 29px;
  }
.company-facts>div {
    grid-template-columns: 85px 1fr;
    gap: 15px;
    padding: 15px 0;
  }
.contact {
    padding-block: 35px 44px;
  }
.contact-row {
    display: block;
    margin-top: 28px;
  }
.contact h2 {
    font-size: 52px;
    line-height: 1.35;
  }
.contact-copy {
    width: 100%;
    padding-bottom: 0;
    margin-top: 27px;
  }
.contact-row p {
    line-height: 1.9;
    margin-bottom: 23px;
  }
.contact-button {
    padding: 22px;
  }
.site-footer {
    padding-top: 34px;
    padding-bottom: 20px;
  }
.footer-main {
    flex-wrap: wrap;
    gap: 28px;
    position: relative;
  }
.footer-wordmark {
    font-size: 47px;
  }
.footer-main nav {
    margin-left: 0;
    flex-basis: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    padding-right: 36px;
  }
.back-top {
    position: absolute;
    right: 0;
    top: 4px;
    padding: 5px 0 10px 20px;
  }
.footer-bottom {
    margin-top: 30px;
  }
dialog {
    padding: 22px 22px 28px;
    width: calc(100% - 28px);
  }
.dialog-top {
    margin-bottom: 23px;
    padding-bottom: 14px;
  }
dialog h2 {
    font-size: 25px;
  }
dialog p {
    font-size: 14px;
  }
.dialog-facts>div {
    grid-template-columns: 74px 1fr;
    gap: 14px;
    font-size: 13px;
  }
}

@media(max-width:360px) {
.company h2 {
    font-size: 31px;
  }
.origin-word {
    font-size: 78px;
  }
.contact h2 {
    font-size: 46px;
  }
}

@media (hover:hover) and (pointer:fine) {
.navigation>a:hover:after {
    transform: scaleX(1);
  }
.text-link:hover span {
    transform: translate(3px,-3px);
  }
.alliance-link:hover .large-arrow {
    transform: translate(5px,-5px);
    color: var(--accent);
  }
.contact-button:hover {
    background: #373734;
  }
.contact-button:hover span {
    transform: translate(3px,-3px);
  }
.footer-main nav a:hover {
    text-decoration: underline;
    text-underline-offset: 6px;
  }
}

.section-label {
  font-size: 13px;
}
.section-label>span:first-child {
  font-size: 12px;
}

.alliance-topline {
  font-size: 14px;
}
.feature-caption {
  font-size: 12px;
}
.topics-caption {
  font-size: 14px;
}
.topic-number {
  font-size: 12px;
}
.alliance-copy>p:last-child {
  font-size: 16px;
}
.link-route {
  font-size: 12px;
}
.origin-caption {
  font-size: 13px;
}
.origin-lines {
  margin-top: 22px;
  max-width: 390px;
}
.origin-lines i {
  display: block;
  height: 1px;
  background: var(--ink);
  margin-top: 6px;
}
.origin-lines i:nth-child(2) {
  margin-left: 10px;
}
.origin-lines i:nth-child(3) {
  margin-left: 20px;
}
.origin-lines i:nth-child(4) {
  margin-left: 30px;
}
.origin-lines i:nth-child(5) {
  margin-left: 40px;
}
.origin-lines i:nth-child(6) {
  margin-left: 50px;
}
.company-copy>p {
  font-size: 16px;
}
.company-facts {
  font-size: 14px;
}
.contact-row p {
  font-size: 15px;
}
.footer-main nav {
  font-size: 13px;
}
.footer-bottom button,.footer-bottom small {
  font-size: 12px;
}

@media(max-width:760px) {

.section-label,.section-label>span:first-child {
    font-size: 12px;
  }

.alliance-topline {
    font-size: 13px;
  }
.feature-caption {
    font-size: 11px;
    max-width: 103px;
  }
.topics-caption {
    font-size: 13px;
  }
.topic-number {
    font-size: 11px;
  }
.alliance-copy>p:last-child {
    font-size: 15px;
  }
.alliance-link {
    font-size: 14px;
  }
.origin-caption {
    font-size: 12px;
  }
.origin-lines {
    max-width: 285px;
    margin-top: 18px;
  }
.company-copy>p {
    font-size: 15px;
  }
.company-facts {
    font-size: 13px;
  }
.contact-row p {
    font-size: 14px;
  }
.contact-button {
    font-size: 14px;
  }
.footer-main nav {
    font-size: 12px;
  }
.footer-bottom button,.footer-bottom small {
    font-size: 11px;
  }
}

@media(prefers-reduced-motion:reduce) {
html {
    scroll-behavior: auto;
  }
*,*:before,*:after {
    animation: none!important;
    transition: none!important;
  }
}

html[data-input="keyboard"] {
  scroll-behavior: auto;
}
html[data-input="keyboard"] *,html[data-input="keyboard"] *:before,html[data-input="keyboard"] *:after {
  transition: none!important;
  animation: none!important;
}

:root {
  --header-height: 88px;
}
html {
  scroll-padding-top: calc(var(--header-height) + 24px);
}
.site-header {
  height: var(--header-height);
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
}
.wordmark img {
  width: 140px;
  height: auto;
  display: block;
}
.footer-wordmark img {
  width: 174px;
}
.navigation {
  gap: 31px;
}
.navigation>a[aria-current="location"]:after {
  transform: scaleX(1);
  background: var(--accent);
  height: 2px;
}
.navigation .nav-contact[aria-current="location"] {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}

.service-list {
  padding-top: 18px;
}
.service {
  display: grid;
  grid-template-columns: 175px minmax(0,1fr);
  gap: 65px;
  padding: 53px 0 48px;
  border-bottom: 1px solid var(--ink);
}
.service-number {
  font-family: var(--latin);
  font-size: 105px;
  line-height: 1;
  letter-spacing: -.08em;
  color: var(--ink);
  font-weight: 400;
}
.service-index {
  padding-top: 2px;
}
.service-index:after {
  content: "";
  display: block;
  width: 50px;
  height: 3px;
  background: var(--accent);
  margin-top: 26px;
}
.service-content {
  max-width: 800px;
}
.service-lead {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 13px;
}
.service h3 {
  font-size: 31px;
  line-height: 1.55;
  letter-spacing: -.025em;
}
.service-description {
  font-size: 16px;
  line-height: 2;
  margin-top: 24px;
  max-width: 690px;
}
.service-facts {
  margin: 26px 0 0;
  font-size: 13px;
}
.service-facts>div {
  display: grid;
  grid-template-columns: 85px 1fr;
  gap: 20px;
  margin-top: 12px;
}
.service-facts dt {
  color: var(--muted);
}
.service-actions {
  margin-top: 30px;
}
.service-actions .text-link {
  font-size: 14px;
}
.service-note {
  margin-top: 29px;
  border-top: 1px solid var(--line);
}
.service-note summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 55px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  line-height: 1.7;
}
.service-note summary::-webkit-details-marker {
  display: none;
}
.service-note .expand-mark {
  border: 0;
  width: 22px;
  height: 22px;
  margin: 0;
}
.service-note .expand-mark:before,.service-note .expand-mark:after {
  width: 14px;
  left: 4px;
  top: 11px;
}
.service-note[open] .expand-mark:after {
  transform: rotate(0);
}
.service-note>p {
  font-size: 14px;
  line-height: 2;
  padding: 4px 0 12px;
  max-width: 700px;
}
.footer-review {
  display: flex;
  align-items: center;
  gap: 25px;
  font-size: 12px;
}
.footer-review>a {
  text-decoration: underline;
  text-underline-offset: 4px;
}
body.menu-open {
  overflow: hidden;
}
main:focus {
  outline: none;
}

@media(max-width:1100px) {

.service {
    grid-template-columns: 130px minmax(0,1fr);
    gap: 40px;
  }
.service-number {
    font-size: 87px;
  }
.service h3 {
    font-size: 28px;
  }
.navigation {
    gap: 22px;
  }
.wordmark img {
    width: 130px;
  }
}

@media(max-width:760px) {
:root {
    --header-height: 78px;
  }
.site-header {
    height: var(--header-height);
  }
.wordmark img {
    width: 126px;
  }
.footer-wordmark img {
    width: 153px;
  }

.service-list {
    padding-top: 10px;
  }
.service {
    grid-template-columns: 46px minmax(0,1fr);
    gap: 20px;
    padding: 34px 0 31px;
  }
.service-number {
    font-size: 43px;
    line-height: 1.1;
  }
.service-index {
    padding-top: 0;
  }
.service-index:after {
    width: 24px;
    height: 2px;
    margin-top: 15px;
  }
.service-lead {
    font-size: 12px;
    line-height: 1.9;
    margin-bottom: 10px;
  }
.service h3 {
    font-size: 22px;
    line-height: 1.55;
    letter-spacing: -.035em;
  }
.service-description {
    font-size: 14px;
    line-height: 2;
    margin-top: 19px;
  }
.service-facts {
    font-size: 12px;
    margin-top: 21px;
  }
.service-facts>div {
    grid-template-columns: 1fr;
    gap: 3px;
    margin-top: 14px;
  }
.service-facts dt {
    font-size: 11px;
  }
.service-actions {
    margin-top: 25px;
  }
.service-actions .text-link {
    font-size: 12px;
    gap: 18px;
    max-width: 100%;
  }
.service-actions .text-link span {
    font-size: 20px;
    flex: none;
  }
.service-note {
    margin-top: 23px;
  }
.service-note summary {
    font-size: 12px;
    min-height: 49px;
    padding: 12px 0;
  }
.service-note>p {
    font-size: 13px;
    line-height: 2;
    padding-top: 4px;
  }
.footer-review {
    gap: 15px;
    font-size: 10px;
  }
.footer-bottom button {
    font-size: 10px;
  }
.navigation {
    position: fixed;
    inset: var(--header-height) 0 0;
    padding: 34px 24px 42px;
    overflow: auto;
    border-top: 1px solid var(--line);
    box-shadow: none;
    justify-content: flex-start;
    gap: 0;
  }
.navigation>a {
    font-size: 24px;
    padding: 24px 0;
    border-bottom: 1px solid var(--line);
    line-height: 1.5;
  }
.navigation>a:after {
    bottom: 12px;
    right: auto;
    width: 28px;
    height: 2px;
  }
.navigation .nav-contact {
    margin-top: 33px;
    padding: 22px;
    font-size: 17px;
    gap: 20px;
  }
.navigation.is-open {
    gap: 0;
  }
.navigation:after {
    content: "AI × 建築・不動産";
    font-size: 13px;
    color: var(--muted);
    margin-top: auto;
    padding-top: 45px;
  }
.menu-toggle {
    gap: 12px;
  }
.menu-label {
    font-size: 12px;
  }
}

@media(max-width:360px) {

.service {
    grid-template-columns: 33px minmax(0,1fr);
    gap: 14px;
  }
.service-number {
    font-size: 35px;
  }
.service h3 {
    font-size: 20px;
  }
.service-actions .text-link {
    font-size: 11px;
    gap: 11px;
  }
.footer-review {
    gap: 12px;
  }
}

/* Source member and supporting-member logos retain their original artwork. */
.member-companies { padding-block:72px 76px; }
.member-heading { display:flex; align-items:flex-end; justify-content:space-between; gap:40px; margin-bottom:37px; }
.member-eyebrow { color:var(--muted); font-family:var(--latin); font-size:12px; letter-spacing:.08em; margin-bottom:20px; }
.member-heading h3 { font-size:clamp(28px,2.7vw,40px); line-height:1.55; letter-spacing:-.035em; }
.member-introduction { font-size:14px; line-height:1.95; padding-bottom:4px; }
.member-logo-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); margin:0; padding:0; list-style:none; border-top:1px solid var(--line); border-left:1px solid var(--line); }
.member-logo-grid li { min-width:0; background:#fff; border-right:1px solid var(--line); border-bottom:1px solid var(--line); }
.member-logo-grid a,.member-logo-static { display:flex; align-items:center; justify-content:center; padding:8px 20px; min-height:154px; height:100%; }
.member-logo-grid img { display:block; width:150px; max-width:100%; height:150px; object-fit:contain; transition:transform .22s ease; }
.member-logo-grid a:hover img { transform:scale(1.05); }
.member-logo-grid a:focus-visible { outline:2px solid var(--ink); outline-offset:-4px; }
.member-more { margin-top:16px; }
.member-more summary { display:flex; align-items:center; justify-content:center; gap:24px; min-height:56px; cursor:pointer; font-size:13px; border:1px solid var(--line); list-style:none; }
.member-more summary::-webkit-details-marker { display:none; }
.member-more summary:hover { background:#eeeee9; }
.member-more summary:focus-visible { outline:2px solid var(--ink); outline-offset:3px; }
.member-more-icon { position:relative; display:block; width:12px; height:12px; }
.member-more-icon::before,.member-more-icon::after { content:""; position:absolute; background:currentColor; }
.member-more-icon::before { width:12px; height:1px; top:5px; left:0; }
.member-more-icon::after { width:1px; height:12px; left:5px; top:0; }
.member-more-open,.member-more[open] .member-more-closed,.member-more[open] .member-more-icon::after { display:none; }
.member-more[open] .member-more-open { display:inline; }
.member-more[open] .member-logo-grid { margin-top:16px; }
.member-supporting { margin-top:48px; }
.member-supporting-heading { display:flex; align-items:baseline; gap:24px; margin-bottom:20px; }
.member-supporting-heading h4 { font-size:18px; }
.member-supporting-heading p,.member-source-note { font-size:12px; color:var(--muted); line-height:1.8; }
.member-source-note { margin-top:20px; }
@media(max-width:760px) {
.member-companies { padding-block:45px 47px; }
.member-heading { display:block; margin-bottom:26px; }
.member-eyebrow { font-size:11px; margin-bottom:15px; }
.member-heading h3 { font-size:28px; }
.member-introduction { font-size:13px; margin-top:17px; }
.member-logo-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
.member-logo-grid a,.member-logo-static { min-height:130px; padding:5px 12px; }
.member-logo-grid img { height:120px; width:120px; }
.member-supporting { margin-top:34px; }
.member-supporting-heading { display:block; }
.member-supporting-heading p { margin-top:7px; }
.member-source-note { font-size:11px; }
}
@media(prefers-reduced-motion:reduce) {
.member-logo-grid img { transition:none; } }

/* Opening composition: one headline, four direct routes, paired about content. */
.keep-phrase { display:inline-block; }
@font-face {
  font-family:Zen Kaku;
  src:url('assets/fonts/zen-kaku-gothic-new-700-site.woff?v=20261009-layout16') format('woff');
  font-weight:700;
  font-display:swap;
}
.hero { padding-block:64px 64px; }
.hero-kicker { display:flex; align-items:center; gap:12px; margin-bottom:32px; font-size:14px; line-height:1.75; }
.hero-composition { display:grid; grid-template-columns:minmax(0,1.7fr) minmax(0,1fr); gap:64px; align-items:end; }
.hero h1 { font-size:72px; font-weight:700; line-height:1.3; letter-spacing:-.04em; font-feature-settings:"palt" 1; }
.hero h1>span { display:block; white-space:nowrap; }
.hero-introduction { max-width:360px; padding-bottom:8px; }
.hero-description { font-size:16px; line-height:1.9; }
.hero-cta { display:flex; justify-content:space-between; align-items:center; gap:32px; width:100%; max-width:320px; margin-top:32px; padding-block:16px; border-bottom:1px solid var(--ink); font-size:16px; }
.hero-cta>span:last-child { font-size:24px; font-family:var(--latin); transition:transform .3s cubic-bezier(.32,.72,0,1); }
.explore { border-block:1px solid var(--line); }
.explore-heading { display:flex; align-items:baseline; justify-content:space-between; gap:24px; padding-block:24px; }
.explore-heading h2 { font-size:16px; font-weight:500; line-height:1.75; }
.explore-heading>span { font-size:12px; color:var(--muted); font-family:var(--latin); letter-spacing:.06em; }
.business-index { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); border-top:1px solid var(--line); }
.business-index-link { position:relative; min-width:0; display:flex; flex-direction:column; align-items:flex-start; min-height:200px; padding:24px 24px 24px 32px; transition:background .3s cubic-bezier(.32,.72,0,1); }
.business-index-link:first-child { padding-left:0; }
.business-index-link+.business-index-link { border-left:1px solid var(--line); }
.business-index-number { font-size:12px; line-height:1; font-family:var(--latin); color:var(--muted); margin-bottom:24px; }
.business-index h3 { font-size:24px; line-height:1.4; font-weight:700; letter-spacing:-.04em; font-feature-settings:"palt" 1; }
.business-index p { font-size:14px; line-height:1.75; margin-top:8px; color:var(--muted); }
.business-index-arrow { align-self:flex-end; margin-top:auto; padding-top:16px; font-family:var(--latin); font-size:24px; line-height:1; transition:transform .3s cubic-bezier(.32,.72,0,1); }
.business-index-link:focus-visible { outline-offset:-4px; }
.business-index-link:active { background:#efedea; }
.about-surface { background:#f5f4f2; }
.about { padding-block:80px 64px; }
.about-grid { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:80px; align-items:start; margin-top:40px; }
.about h2 { font-size:48px; font-weight:700; line-height:1.4; letter-spacing:-.04em; font-feature-settings:"palt" 1; }
.about h2 .accent-text { color:var(--accent); font-family:var(--latin); }
.about-copy { max-width:560px; margin:0; }
.about-copy p { font-size:16px; line-height:1.9; margin-bottom:16px; }
.about-copy .lead { font-size:24px; line-height:1.6; font-weight:500; margin-bottom:24px; letter-spacing:-.02em; }
.about-copy .text-link { margin-top:8px; font-size:14px; }
.audience { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:80px; border-top:1px solid var(--line); margin-top:48px; padding-top:24px; font-size:14px; }
.audience>p { color:var(--muted); }
.audience ul { display:flex; flex-wrap:wrap; gap:8px 24px; list-style:none; padding:0; margin:0; }
.audience li { white-space:nowrap; }
.business-heading { padding-block:64px 40px; }
.section-heading { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); align-items:end; gap:80px; margin-top:40px; }
.section-heading h2 { font-size:48px; font-weight:700; line-height:1.4; letter-spacing:-.04em; font-feature-settings:"palt" 1; }
.section-heading>p { font-size:16px; line-height:1.9; }
@media(hover:hover) and (pointer:fine) {
  .business-index-link:hover { background:#f5f4f2; }
  .business-index-link:hover .business-index-arrow { transform:translate(4px,-4px); }
  .hero-cta:hover>span:last-child { transform:translateY(4px); }
}
@media(min-width:1680px) { .hero h1 { font-size:96px; } }
@media(max-width:1100px) {
  .hero h1 { font-size:60px; }
  .hero-composition { grid-template-columns:minmax(0,1.5fr) minmax(0,1fr); gap:40px; }
  .hero .desktop-break { display:none; }
  .business-index h3 { font-size:20px; }
  .business-index-link { padding:24px 16px; }
  .about-grid,.audience,.section-heading { gap:40px; }
  .about h2,.section-heading h2 { font-size:36px; }
  .about-copy .lead { font-size:20px; }
}
@media(min-width:761px) and (max-width:960px) {
  .hero-composition { align-items:start; }
  .hero h1 { font-size:48px; }
  .business-index { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .business-index-link { min-height:176px; }
  .business-index-link:nth-child(odd) { padding-left:0; border-left:0; }
  .business-index-link:nth-child(n+3) { border-top:1px solid var(--line); }
}
@media(max-width:760px) {
  .hero { padding-block:40px; }
  .hero-kicker { margin-bottom:24px; }
  .hero-composition { display:block; }
  .hero h1 { font-size:48px; line-height:1.35; }
  .hero-introduction { margin-top:32px; max-width:440px; padding:0; }
  .hero-description { font-size:16px; }
  .hero-cta { margin-top:24px; max-width:none; }
  .explore-heading { padding-block:24px; }
  .explore-heading h2 { font-size:14px; }
  .explore-heading>span { display:none; }
  .business-index { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .business-index-link,.business-index-link:first-child { padding:24px 16px; min-height:192px; }
  .business-index-link:nth-child(odd) { padding-left:0; border-left:0; }
  .business-index-link:nth-child(n+3) { border-top:1px solid var(--line); }
  .business-index h3 { font-size:20px; }
  .business-index p { font-size:12px; }
  .business-index-number { margin-bottom:16px; }
  .about { padding-block:64px; }
  .about-grid { display:block; margin-top:32px; }
  .about h2 { font-size:36px; }
  .about-copy { margin-top:32px; max-width:none; }
  .about-copy .lead { font-size:20px; }
  .audience { display:block; margin-top:32px; padding-top:24px; }
  .audience ul { margin-top:16px; gap:8px 16px; }
  .business-heading { padding-block:48px 32px; }
  .section-heading { display:block; margin-top:32px; }
  .section-heading h2 { font-size:36px; }
  .section-heading>p { margin-top:24px; }
}
@media(max-width:360px) {
  .hero h1 { font-size:36px; }
  .business-index h3 { font-size:18px; }
  .business-index-link,.business-index-link:first-child { padding-right:8px; }
}
@media(prefers-reduced-motion:reduce) {
  .hero-cta>span:last-child,.business-index-link,.business-index-arrow { transition:none; }
}