/* FullFill — life first, architecture in focus. */
:root {
  --ink: #001627;
  --muted: #50616d;
  --gutter: clamp(24px, 6.4vw, 112px);
  --line: #d8e0e5;
  --soft: #f3f5f6;
}
html {
  scroll-padding-top: 105px;
}
body {
  font-weight: 400;
}
p {
  line-height: 2;
}
h1,
h2,
h3 {
  text-wrap: pretty;
}
a,
button {
  touch-action: manipulation;
}
.eyebrow {
  font-size: 12px;
  letter-spacing: 0.09em;
}
.section-label,
.section-caption {
  font-size: 12px;
  letter-spacing: 0.04em;
}
.section-pad,
.pad {
  padding: 100px var(--gutter);
}
.section-heading {
  margin: 42px 0 54px;
  gap: 45px;
}
.section-heading > p {
  font-size: 15px;
  line-height: 2;
}
.fine-print,
.business-note,
.source-note {
  font-size: 12px;
  line-height: 1.9;
}
.button-primary,
.button-outline {
  display: inline-flex;
  justify-content: space-between;
  align-items: center;
  min-height: 54px;
  padding: 16px 26px;
  gap: 34px;
  border: 1px solid var(--blue);
  border-radius: 100px;
  font-size: 14px;
  line-height: 1.5;
  font-weight: 500;
  transition:
    background 0.25s,
    color 0.25s,
    transform 0.25s;
}
.button-primary {
  background: var(--blue);
  color: #fff;
}
.button-outline {
  background: transparent;
  color: var(--blue);
}
.button-primary > span,
.button-outline > span {
  font-size: 19px;
  font-weight: 400;
  transition: transform 0.25s;
}
.button-primary:hover {
  background: #005fbe;
}
.button-outline:hover {
  background: #edf5ff;
}
.button-primary:hover > span,
.button-outline:hover > span {
  transform: translate(3px, -3px);
}
.line-link {
  min-height: 48px;
  font-size: 14px;
}
.section-heading .line-link {
  flex-shrink: 0;
}
.fine-print {
  max-width: 950px;
}
.reveal {
  transition-duration: 0.65s !important;
}
/* One clear navigation system, including a direct route to the existing inquiry form. */
.site-header {
  position: sticky;
  top: 0;
  height: 88px;
  padding: 14px 3.2%;
  gap: 24px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid #0016270a;
  transition: box-shadow 0.3s;
}
.site-header.is-scrolled {
  box-shadow: 0 4px 20px #00162708;
}
.brand img {
  width: 118px;
}
.site-header nav {
  gap: clamp(18px, 2.1vw, 30px);
  margin-left: auto;
  font-size: 13px;
}
.site-header nav > a {
  display: flex;
  align-items: center;
  min-height: 44px;
  white-space: nowrap;
}
.site-header nav > a:after {
  bottom: 5px;
}
.site-header .header-cta {
  display: inline-flex;
  align-items: center;
  gap: 25px;
  min-height: 48px;
  border-radius: 100px;
  background: #001627;
  color: white;
  padding: 13px 24px;
  font-size: 13px;
  white-space: nowrap;
  transition: background 0.25s;
}
.site-header .header-cta:hover {
  background: var(--blue);
}
.site-header nav .nav-inquiry {
  display: none;
}
.menu-lines {
  position: relative;
  width: 22px;
  height: 16px;
  border-top: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
}
.menu-lines:after {
  content: "";
  position: absolute;
  top: 7px;
  left: 0;
  width: 22px;
  border-top: 1px solid currentColor;
}
.menu-button[aria-expanded="true"] .menu-lines {
  border: 0;
}
.menu-button[aria-expanded="true"] .menu-lines:before,
.menu-button[aria-expanded="true"] .menu-lines:after {
  content: "";
  position: absolute;
  top: 8px;
  left: 0;
  width: 22px;
  border-top: 1px solid currentColor;
  transform: rotate(45deg);
}
.menu-button[aria-expanded="true"] .menu-lines:after {
  transform: rotate(-45deg);
}
.mobile-actionbar {
  display: none;
}
/* The first screen shows an actual home, its maker and the next action. */
.home-hero {
  display: grid;
  grid-template-columns: 46% 54%;
  padding: 24px 3.2% 0 var(--gutter);
  min-height: 650px;
  gap: 0;
  align-items: stretch;
}
.hero-title {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 45px 30px 45px 0;
  gap: 0;
  min-width: 0;
}
.hero-title .eyebrow {
  font-size: 12px;
  letter-spacing: 0.08em;
}
.hero-title h1 {
  font-size: clamp(40px, 4.25vw, 69px);
  line-height: 1.65;
  font-weight: 400;
  letter-spacing: -0.05em;
  margin: 26px 0 26px;
  color: var(--ink);
  white-space: nowrap;
}
.hero-title > p {
  font-size: 14px;
  line-height: 2.1;
  margin: 0;
  color: #334957;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 34px;
}
.hero-actions .button-primary,
.hero-actions .button-outline {
  padding: 15px 23px;
  gap: 24px;
  font-size: 13px;
  min-height: 52px;
}
.hero-values {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-top: 42px;
  font:
    10px/1.8 Arial,
    sans-serif;
  letter-spacing: 0.045em;
  color: var(--blue);
}
.hero-values i {
  width: 3px;
  height: 3px;
  background: var(--blue);
  border-radius: 50%;
}
.hero-photo {
  height: clamp(560px, 47vw, 720px);
  min-height: 100%;
  margin: 0;
  border-radius: 5px 5px 5px 80px;
  position: relative;
  background: var(--soft);
}
.hero-photo > img {
  animation: none;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 48% 50%;
}
.hero-project {
  inset: auto 24px 24px 24px;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  background: #ffffffed;
  backdrop-filter: blur(10px);
  color: var(--ink);
  padding: 22px 25px;
  border-radius: 3px 3px 3px 32px;
  gap: 20px;
}
.hero-project > div > span {
  font:
    10px/1.6 Arial,
    sans-serif;
  letter-spacing: 0.1em;
  color: var(--blue);
}
.hero-project strong {
  display: block;
  font-size: 20px;
  margin: 8px 0 0;
  line-height: 1.5;
  letter-spacing: 0.01em;
}
.hero-project > b {
  width: 42px;
  height: 42px;
  border: 1px solid #00162733;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  font-size: 21px;
  margin: 0;
}
.photo-index {
  position: absolute;
  right: 22px;
  top: 22px;
  color: white;
  font:
    11px Arial,
    sans-serif;
  letter-spacing: 0.13em;
  text-shadow: 0 1px 10px #001627;
}
.home-bridge {
  margin: 0 var(--gutter);
  padding: 32px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.home-bridge > a {
  display: inline-flex;
  align-items: center;
  gap: 28px;
  min-height: 44px;
  color: var(--blue);
  font-size: 12px;
}
.home-bridge > a > span {
  font-size: 22px;
}
.home-works {
  background: white;
  padding-top: 80px;
}
.home-works .section-heading {
  align-items: center;
}
.home-works .display-en {
  display: block;
  font-family: Arial, sans-serif;
  font-size: clamp(70px, 8vw, 116px);
  line-height: 1.1;
  letter-spacing: -0.06em;
  color: var(--blue);
  font-weight: 400;
}
.home-works .section-heading h2 {
  font-size: 24px;
  margin-top: 22px;
  letter-spacing: 0.015em;
}
.work-grid {
  gap: 7%;
  grid-template-columns: 1.1fr 1fr;
}
.work-grid > .work-card:nth-child(2) {
  margin-top: 80px;
}
.work-image {
  border-radius: 3px;
}
.work-image img {
  aspect-ratio: 1.35;
  transition: transform 0.7s cubic-bezier(0.2, 0.65, 0.3, 1);
}
.work-card:hover .work-image img {
  transform: scale(1.025);
}
.work-card:nth-child(2) .work-image img {
  aspect-ratio: 1.25;
}
.work-arrow {
  width: 52px;
  height: 52px;
  border-top-left-radius: 18px;
}
.work-number {
  font-size: 11px;
}
.work-meta {
  font-size: 11px;
  margin-top: 22px;
  gap: 8px;
}
.work-card h3 {
  font-size: clamp(20px, 1.8vw, 27px);
  line-height: 1.8;
  margin: 15px 0 12px;
}
.work-card > p {
  font-size: 12px;
}
.housing {
  background: var(--soft);
}
.housing-collection {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.home-type {
  display: block;
  background: white;
  overflow: hidden;
  border-radius: 3px;
}
.type-photo {
  overflow: hidden;
}
.type-photo img {
  width: 100%;
  aspect-ratio: 1.65;
  object-fit: cover;
  transition: transform 0.7s;
}
.home-type:hover .type-photo img {
  transform: scale(1.025);
}
.type-caption {
  padding: 30px 35px 25px;
}
.type-caption > span:first-child {
  color: var(--blue);
  font:
    11px Arial,
    sans-serif;
  letter-spacing: 0.08em;
}
.type-caption h3 {
  font-size: 27px;
  line-height: 1.7;
  margin: 18px 0;
}
.type-caption p {
  font-size: 14px;
  line-height: 2;
}
.type-link {
  border-top: 1px solid var(--line);
  margin-top: 28px;
  padding-top: 18px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  gap: 20px;
}
.type-link b {
  font-weight: 400;
  font-size: 22px;
  transition: transform 0.25s;
}
.home-type:hover .type-link b {
  transform: translate(3px, -3px);
}
.zero-type {
  background: var(--blue);
  color: white;
}
.zero-type .type-caption > span:first-child {
  color: white;
}
.zero-type .type-link {
  border-color: #ffffff55;
}
.zero-type .type-photo img {
  object-fit: cover;
  object-position: 50% 62%;
}
.purpose {
  padding-top: 120px;
  padding-bottom: 120px;
  grid-template-columns: 0.8fr 1fr;
  gap: 14%;
}
.purpose-image {
  padding: 25px 0;
}
.purpose-image:before {
  content: "";
  position: absolute;
  left: -25px;
  top: 0;
  width: 55%;
  height: 100%;
  border: 1px solid var(--blue);
  border-radius: 100px 100px 3px 3px;
  z-index: -1;
}
.purpose-image img {
  aspect-ratio: 0.8;
  border-radius: 3px;
}
.purpose-image > span {
  bottom: 25px;
}
.purpose-copy h2 {
  font-size: clamp(30px, 3.1vw, 46px);
  line-height: 1.8;
  margin: 32px 0;
}
.purpose-copy > p {
  font-size: 15px;
}
.purpose-copy .section-label {
  font-size: 12px;
}
.vision p {
  font-size: 19px;
}
.values-section {
  background: var(--blue);
  color: white;
}
.values-section .section-label span:first-child {
  color: inherit;
}
.platform {
  background: white;
  padding-bottom: 80px;
}
.business-steps article {
  padding: 25px 0;
}
.business-steps h3 {
  font-size: 23px;
}
.business-steps p {
  font-size: 14px;
}
.company-section {
  padding-top: 80px;
  padding-bottom: 80px;
}
.company-section h2 {
  font-size: 30px;
}
.company-data > div {
  font-size: 14px;
  padding: 19px 0;
}
/* A real next step: established web form and published business phone. */
.contact-section {
  position: relative;
  overflow: hidden;
  padding: 110px var(--gutter);
  background: white;
  color: #001627;
  border-top: 1px solid #d8e0e5;
}
.contact-copy {
  position: relative;
  z-index: 1;
  width: 100%;
}
.contact-copy h2 {
  font-size: clamp(34px, 4.1vw, 60px);
  line-height: 1.6;
  margin: 24px 0 28px;
  letter-spacing: -0.04em;
}
.contact-copy > p {
  font-size: 15px;
  line-height: 2;
}
.contact-copy > .eyebrow {
  color: var(--blue);
  font-size: 11px;
}
.contact-actions {
  display: flex;
  gap: 40px;
  align-items: center;
  margin-top: 35px;
  flex-wrap: wrap;
}
.contact-actions .button-primary {
  min-width: 280px;
}
.phone-link {
  border-left: 1px solid #ccd9e3;
  padding-left: 35px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 56px;
}
.phone-link > span {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: #50616d;
}
.phone-link > strong {
  font:
    26px/1.7 Arial,
    sans-serif;
  color: var(--blue);
  letter-spacing: 0.025em;
}
.contact-copy .contact-note {
  margin-top: 20px;
  font-size: 11px;
  color: #50616d;
}
.contact-art {
  position: absolute;
  right: -8%;
  bottom: 0;
  width: 60%;
  opacity: 0.14;
  pointer-events: none;
}
.contact-art img {
  width: 100%;
  height: auto;
  min-height: 320px;
  object-fit: cover;
  object-position: center;
}
.site-footer {
  display: block;
  background: white;
  color: #001627;
  padding: 55px var(--gutter) 25px;
  border-top: 1px solid #d8e0e5;
}
.footer-top {
  gap: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-top img {
  width: 138px;
}
.footer-nav a {
  display: flex;
  align-items: center;
  min-height: 44px;
  font-size: 12px;
}
.footer-nav {
  gap: 12px 30px;
  margin: 24px 0 30px;
}
.footer-base {
  font-size: 11px;
  line-height: 1.8;
  border-color: #d8e0e5;
}
.footer-base > a {
  min-height: 40px;
  display: flex;
  align-items: center;
  margin-top: -10px;
}
.footer-top p {
  margin: 0;
  font-size: 14px;
}
.site-footer .service-brand {
  color: var(--blue);
}
/* Case studies: a readable editorial layout and useful page-level navigation. */
.works-intro {
  padding-top: 32px;
}
.breadcrumbs {
  font-size: 11px;
  margin-bottom: 50px;
}
.breadcrumbs a {
  padding: 3px 0;
}
.works-intro .display-en {
  font-size: clamp(70px, 8.5vw, 120px);
}
.works-intro .section-heading {
  margin-bottom: 48px;
}
.works-intro .section-heading > p {
  font-size: 14px;
}
.index-line {
  font-size: 11px;
}
.project-title {
  padding-top: 30px;
  padding-bottom: 38px;
}
.project-heading h1 {
  font-size: clamp(29px, 3.3vw, 48px);
  line-height: 1.75;
}
.project-location {
  font-size: 12px;
}
.project-cover {
  height: min(60vw, 740px);
  margin: 0 3.2%;
  border-radius: 4px;
  position: relative;
}
.cover-gallery {
  display: block;
  height: 100%;
  position: relative;
  overflow: hidden;
}
.cover-gallery > span {
  position: absolute;
  right: 22px;
  bottom: 22px;
  background: #fffffff2;
  color: #001627;
  border-radius: 99px;
  padding: 14px 19px;
  font-size: 12px;
  box-shadow: 0 2px 20px #0016270a;
}
.project-jumps {
  position: sticky;
  top: 88px;
  z-index: 20;
  display: flex;
  justify-content: center;
  gap: 40px;
  background: #fffefcfa;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #d8e0e5;
  padding: 10px var(--gutter);
  color: #001627;
  font-size: 12px;
}
.project-jumps a {
  display: flex;
  align-items: center;
  min-height: 42px;
  white-space: nowrap;
}
.project-jumps a:last-child {
  color: var(--blue);
  margin-left: auto;
}
.project-summary {
  gap: 12%;
  padding-top: 90px;
  padding-bottom: 90px;
}
.project-summary p {
  font-size: 15px;
}
.project-spec > div {
  font-size: 14px;
}
.project-figure figcaption {
  font-size: 12px;
}
.story-copy p {
  font-size: 15px;
}
.photo-dialog {
  max-width: none;
  width: min(96vw, 1500px);
  max-height: 95svh;
  padding: 60px 22px 18px;
  border-radius: 6px;
}
.photo-dialog figure {
  margin: 0;
}
.photo-dialog img {
  max-height: 70svh;
}
.photo-dialog figcaption {
  font-size: 12px;
  margin-top: 15px;
  text-align: center;
}
.photo-close {
  min-height: 44px;
  right: 15px;
  top: 8px;
  font-family: Noto, sans-serif;
}
.photo-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 25px;
  margin-top: 15px;
  color: white;
}
.photo-controls button {
  width: 44px;
  height: 44px;
  border: 1px solid #ffffff66;
  border-radius: 50%;
  background: none;
  color: white;
  font-size: 20px;
  cursor: pointer;
}
.photo-controls button:hover {
  background: #ffffff22;
}
.photo-controls .photo-count {
  font:
    12px Arial,
    sans-serif;
  min-width: 50px;
  text-align: center;
}
.related-card .work-card h3 {
  font-size: 19px;
}
.related-card .work-card p {
  font-size: 12px;
}
.next-banner {
  padding: 75px var(--gutter);
}
/* ZERO HOUSE: same family, inverse color composition. */
.zero-theme {
  --ink: #fff;
  --paper: #0073e6;
  --line: #ffffff55;
  --muted: #e6efff;
}
.zero-theme .site-header {
  background: #0073e6f5;
  color: white;
  border-bottom-color: #ffffff22;
}
.zero-theme .site-header.is-scrolled {
  box-shadow: 0 4px 20px #00162715;
}
.zero-theme .header-cta {
  background: white;
  color: var(--blue);
}
.zero-theme .header-cta:hover {
  background: #e6e9ec;
}
.zero-theme .site-header nav {
  font-size: 13px;
  gap: 24px;
}
.service-brand {
  font-family: Arial, sans-serif;
  font-size: 27px;
  font-weight: 600;
  letter-spacing: -0.04em;
}
.service-brand span {
  font-size: 10px;
  letter-spacing: 0.07em;
  margin-top: 8px;
}
.zero-theme .button-primary {
  background: white;
  border-color: white;
  color: var(--blue);
}
.zero-theme .button-primary:hover {
  background: #e6e9ec;
}
.zero-theme .button-outline {
  border-color: #ffffff99;
  color: white;
}
.zero-theme .button-outline:hover {
  background: #ffffff15;
}
.zero-theme .contact-section {
  color: white;
  background: var(--blue);
  border-color: #ffffff55;
}
.zero-theme .contact-copy > .eyebrow,
.zero-theme .contact-copy .contact-note,
.zero-theme .phone-link > span,
.zero-theme .phone-link > strong {
  color: white;
}
.zero-theme .phone-link {
  border-color: #ffffff55;
}
.zero-theme .contact-art {
  opacity: 0.35;
  right: -8%;
  width: 57%;
}
.zero-theme .site-footer {
  background: #0073e6;
  color: white;
  border-color: #ffffff55;
}
.zero-theme .site-footer .service-brand {
  color: white;
}
.zero-theme .footer-base {
  border-color: #ffffff55;
}
.zero-theme .project-jumps {
  background: #0073e6f5;
  color: white;
  border-color: #ffffff55;
}
.zero-theme .project-jumps a:last-child {
  color: white;
}
.zero-theme .project-tags {
  font-size: 12px;
}
.zero-theme .case-plan .section-heading {
  color: var(--blue);
}
.zero-theme .case-plan {
  scroll-margin-top: 30px;
}
.zero-theme .case-plan .fine-print {
  color: #50616d;
}
.zero-theme .source-note {
  font-size: 12px;
}
.zero-work-text h2 {
  font-size: clamp(28px, 3vw, 43px);
}
.zero-work-text p {
  font-size: 15px;
}
.zero-work-text > .line-link {
  gap: 30px;
}
.zero-theme .work-card > p {
  color: #e6efff;
}
/* Product home */
.service-page .site-header {
  padding: 14px 3.2%;
  height: 88px;
}
.service-page .site-header nav {
  font-size: 12px;
  gap: 23px;
}
.service-page .site-header nav a {
  border: 0;
}
.service-page .scroll-progress {
  background: white;
}
.service-page .progress {
  display: none;
}
.service-page .section-heading h2 {
  font-size: clamp(31px, 3.4vw, 49px);
}
.service-page .section-heading {
  align-items: center;
}
.zero-hero {
  padding: 28px var(--gutter) 0;
  display: grid;
  grid-template-columns: 43% 57%;
  position: relative;
  overflow: hidden;
  align-items: center;
  min-height: 640px;
}
.zero-hero-copy {
  position: relative;
  z-index: 2;
  padding: 35px 0 45px;
}
.zero-hero-copy > .eyebrow {
  color: white;
  font-size: 12px;
}
.zero-hero h1 {
  font-size: clamp(35px, 4vw, 60px);
  line-height: 1.6;
  letter-spacing: -0.04em;
  font-weight: 400;
  margin: 26px 0;
}
.zero-hero h1 > span {
  font-size: clamp(75px, 8.6vw, 136px);
  line-height: 1.35;
  letter-spacing: -0.065em;
}
.zero-hero-copy > p {
  font-size: 14px;
  line-height: 2;
}
.zero-hero-art {
  width: 140%;
  margin-left: -15%;
  overflow: hidden;
  position: relative;
}
.zero-hero-art img {
  width: 100%;
  height: auto;
  max-width: none;
  mask-image: linear-gradient(
    180deg,
    transparent,
    #000 10%,
    #000 85%,
    transparent
  );
}
.zero-hero-art > span {
  display: block;
  text-align: right;
  padding-right: 16%;
  font:
    10px Arial,
    sans-serif;
  letter-spacing: 0.16em;
  margin-top: -15px;
  position: relative;
}
.zero-hero-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0;
  border-top: 1px solid #ffffff55;
  grid-column: 1/-1;
  align-self: end;
  position: relative;
  z-index: 2;
  font-size: 12px;
}
.zero-hero-bottom > a {
  min-height: 40px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: -8px;
}
.zero-intro {
  padding-bottom: 80px;
}
.concept-three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5%;
  margin: 45px 0 30px;
}
.concept-three article {
  border-top: 1px solid #ffffff66;
  padding-top: 25px;
}
.concept-three article > span {
  font:
    12px Arial,
    sans-serif;
}
.concept-three h3 {
  font-size: 27px;
  margin: 22px 0 17px;
  letter-spacing: -0.04em;
}
.concept-three p {
  font-size: 14px;
  max-width: 320px;
}
.service-case-teaser {
  padding: 85px var(--gutter);
  background: white;
  color: #001627;
  border-radius: 5px 5px 0 0;
}
.service-case-teaser > a:first-child {
  grid-template-columns: 1.13fr 1fr;
  gap: 8%;
}
.service-case-teaser .teaser-copy > span:first-child {
  color: var(--blue);
  font:
    11px Arial,
    sans-serif;
  letter-spacing: 0.08em;
}
.teaser-copy h2 {
  font-size: clamp(25px, 2.5vw, 39px);
  line-height: 1.9;
  margin: 24px 0;
}
.teaser-copy p {
  font-size: 14px;
  color: #50616d;
}
.teaser-image {
  border-radius: 4px;
}
.teaser-image img {
  aspect-ratio: 1.15;
  object-position: 49% 50%;
}
.teaser-link {
  border-color: #ccd9e3;
  color: var(--blue);
  font-size: 14px;
}
.service-case-teaser .all-cases {
  border-color: #ccd9e3;
  color: var(--blue);
  font-size: 13px;
}
.living-lab {
  background: #f3f5f6;
  color: #001627;
}
.living-lab .section-caption > span:first-child {
  color: var(--blue);
}
.living-lab .section-heading > p {
  color: #50616d;
}
.use-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid #ccd9e3;
  gap: 0;
}
.use-tabs > button {
  background: transparent;
  border: 0;
  border-bottom: 3px solid transparent;
  border-radius: 0;
  text-align: left;
  padding: 20px;
  min-height: 76px;
  cursor: pointer;
  color: #50616d;
  font-size: 15px;
  font-family: Noto, sans-serif;
  transition:
    background 0.2s,
    color 0.2s;
}
.use-tabs > button > span {
  display: block;
  font:
    10px Arial,
    sans-serif;
  margin-bottom: 9px;
  color: var(--blue);
  letter-spacing: 0.1em;
}
.use-tabs > button[aria-selected="true"] {
  background: white;
  border-bottom-color: var(--blue);
  color: var(--blue);
}
.use-tabs > button:hover {
  background: #fff;
}
.living-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9%;
  align-items: center;
  padding-top: 50px;
}
.life-diagram {
  margin: 0;
}
.life-diagram svg {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}
.house-line {
  fill: none;
  stroke: #0073e6;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.floor-fill {
  fill: #e4eff9;
  transition: fill 0.4s;
}
.floor-marker {
  fill: #50616d;
  font:
    10px Arial,
    sans-serif;
}
.floor-one,
.floor-two {
  font-family: Noto, sans-serif;
  font-size: 20px;
  fill: #0073e6;
  letter-spacing: 0.1em;
}
.life-diagram[data-mode="rent"] .lower {
  fill: #0073e6;
}
.life-diagram[data-mode="rent"] .floor-one {
  fill: white;
}
.life-diagram[data-mode="together"] .lower {
  fill: #d6e9f9;
}
.life-diagram[data-mode="later"] .lower {
  fill: white;
}
.life-diagram figcaption {
  font-size: 11px;
  color: #50616d;
  line-height: 1.8;
  text-align: center;
  margin-top: 20px;
}
.use-panel .eyebrow {
  color: var(--blue);
}
.use-panel h3 {
  font-size: clamp(25px, 2.5vw, 37px);
  line-height: 1.8;
  margin: 24px 0;
  letter-spacing: -0.035em;
  max-width: 390px;
}
.use-panel p {
  font-size: 15px;
  line-height: 2;
  min-height: 120px;
}
.use-tag {
  font-size: 12px;
  display: inline-block;
  padding: 10px 15px;
  background: white;
  margin-top: 20px;
  border-radius: 3px;
  color: var(--blue);
}
.use-panel[hidden] {
  display: none;
}
.living-lab > .fine-print {
  color: #50616d;
  margin-top: 40px;
}
.service-page .cost-heading {
  margin: 45px 0;
  gap: 8%;
}
.service-page .cost-heading p {
  font-size: 15px;
}
.service-page .cost-summary {
  padding-top: 30px;
}
.service-page .cost-summary h3 {
  font-size: 21px;
}
.service-page .cost-number {
  font-size: clamp(50px, 6vw, 86px);
  font-weight: 400;
  line-height: 1.45;
  letter-spacing: -0.055em;
}
.service-page .cost-number small {
  font-size: 16px;
  letter-spacing: 0;
}
.service-page .tax-example strong {
  font-size: 38px;
}
.service-page .cost-breakdown {
  padding-top: 30px;
}
.service-page .cost-conditions p {
  font-size: 12px;
  line-height: 1.9;
}
.service-page .support-section {
  padding-top: 20px;
}
.service-page .support-section h2 {
  margin: 42px 0;
}
.service-page .support-main strong {
  font-size: 74px;
  line-height: 1.3;
  margin: 20px 0;
}
.service-page .support-main small {
  font-size: 24px;
}
.service-page .support-lines {
  margin: 25px 0;
}
.service-page .support-lines article {
  padding: 22px 0;
}
.service-page .questions {
  padding-top: 20px;
}
.service-page .questions h2 {
  font-size: 32px;
  margin: 42px 0 30px;
}
.service-page .questions summary {
  font-size: 16px;
  padding: 24px 45px 24px 0;
}
.service-page .questions summary:after {
  top: 24px;
}
.service-page .questions details > p {
  font-size: 14px;
  line-height: 2;
}
.service-page .footer-base {
  width: auto;
}
.service-page .contact-section {
  border-top: 1px solid #ffffff55;
}
.service-page .site-footer p {
  margin: 0;
}
@media (min-width: 1700px) {
  .home-hero {
    min-height: 720px;
  }
  .hero-title {
    padding-top: 50px;
    padding-bottom: 50px;
  }
  .hero-title h1 {
    font-size: 74px;
  }
  .zero-hero {
    min-height: 720px;
  }
  .zero-hero-art {
    max-width: 1100px;
  }
  .hero-photo {
    height: 720px;
  }
}
@media (max-width: 1100px) {
  .site-header {
    gap: 18px;
  }
  .site-header nav {
    gap: 20px;
    font-size: 12px;
  }
  .site-header .header-cta {
    padding: 13px 20px;
    gap: 20px;
  }
  .home-hero {
    min-height: 580px;
    grid-template-columns: 47% 53%;
  }
  .hero-title {
    padding-right: 25px;
  }
  .hero-title h1 {
    font-size: clamp(37px, 4.3vw, 48px);
  }
  .hero-title > p {
    font-size: 13px;
  }
  .hero-actions {
    gap: 10px;
  }
  .hero-actions .button-primary,
  .hero-actions .button-outline {
    padding: 14px 18px;
    font-size: 12px;
    gap: 18px;
    min-height: 49px;
  }
  .hero-photo {
    height: 560px;
    border-bottom-left-radius: 60px;
  }
  .hero-project {
    left: 20px;
    right: 20px;
    bottom: 20px;
    padding: 18px 20px;
  }
  .hero-project strong {
    font-size: 18px;
  }
  .hero-project > b {
    width: 35px;
    height: 35px;
  }
  .hero-values {
    font-size: 9px;
    gap: 8px;
  }
  .type-caption {
    padding: 25px;
  }
  .type-caption h3 {
    font-size: 24px;
  }
  .purpose {
    gap: 10%;
  }
  .purpose-copy h2 {
    font-size: 33px;
  }
  .purpose-copy > p {
    font-size: 14px;
  }
  .zero-theme .site-header nav {
    gap: 18px;
    font-size: 12px;
  }
  .service-page .site-header nav {
    gap: 18px;
    font-size: 11px;
  }
  .service-brand {
    font-size: 24px;
  }
  .zero-hero {
    min-height: 600px;
    grid-template-columns: 48% 52%;
  }
  .zero-hero h1 {
    font-size: 43px;
  }
  .zero-hero h1 > span {
    font-size: 98px;
  }
  .zero-hero-copy > p {
    font-size: 13px;
  }
  .zero-hero-art {
    width: 150%;
    margin-left: -22%;
  }
  .teaser-copy h2 {
    font-size: 27px;
  }
  .contact-actions {
    gap: 30px;
  }
  .phone-link {
    padding-left: 30px;
  }
  .project-jumps {
    gap: 28px;
  }
  .project-jumps a {
    font-size: 11px;
  }
  .case-ideas-grid h3 {
    font-size: 21px;
  }
  .use-panel h3 {
    font-size: 28px;
  }
  .use-panel p {
    font-size: 14px;
  }
}
@media (max-width: 900px) {
  .site-header,
  .service-page .site-header {
    height: 80px;
    padding: 13px 5%;
    gap: 18px;
  }
  .site-header .brand {
    margin-right: auto;
  }
  .brand img {
    width: 108px;
  }
  .site-header .service-brand {
    margin-right: auto;
  }
  .site-header .header-cta {
    display: flex;
    min-height: 44px;
    padding: 12px 18px;
    font-size: 12px;
    gap: 20px;
  }
  .menu-button {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 12px 5px;
    background: none;
    border: 0;
    cursor: pointer;
    min-height: 44px;
  }
  .menu-label {
    display: none;
  }
  .site-header nav,
  .zero-theme .site-header nav,
  .service-page .site-header nav {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    margin: 0;
    padding: 20px 6% 30px;
    flex-direction: column;
    align-items: stretch;
    gap: 5px;
    font-size: 16px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 25px #0016270a;
  }
  .site-header nav.open {
    display: flex;
  }
  .site-header nav > a {
    min-height: 52px;
    border-bottom: 1px solid var(--line);
    padding: 12px 0;
    justify-content: space-between;
  }
  .site-header nav > a:after {
    display: none;
  }
  .site-header nav .nav-inquiry {
    display: flex;
    color: var(--blue);
    border: 0;
  }
  .zero-theme .site-header nav .nav-inquiry {
    color: white;
  }
  .section-pad,
  .pad {
    padding: 80px var(--gutter);
  }
  .section-heading {
    gap: 30px;
  }
  .section-heading > p {
    font-size: 14px;
  }
  .hero-title .eyebrow {
    font-size: 10px;
  }
  .home-hero {
    padding-top: 15px;
    min-height: 540px;
  }
  .hero-title h1 {
    font-size: 37px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    max-width: 240px;
    width: 100%;
  }
  .hero-actions .button-primary,
  .hero-actions .button-outline {
    font-size: 13px;
    gap: 28px;
  }
  .hero-values {
    font-size: 8px;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 25px;
  }
  .hero-photo {
    height: 540px;
  }
  .hero-project {
    left: 16px;
    right: 16px;
    bottom: 16px;
    padding: 18px;
  }
  .hero-project strong {
    font-size: 17px;
    letter-spacing: -0.04em;
  }
  .hero-project > div > span {
    font-size: 9px;
  }
  .home-bridge {
    padding: 22px 0;
  }
  .home-bridge > span {
    font-size: 12px;
  }
  .home-bridge > a {
    font-size: 11px;
    gap: 15px;
  }
  .housing-collection {
    gap: 20px;
  }
  .type-caption {
    padding: 23px;
  }
  .type-caption h3 {
    font-size: 22px;
  }
  .type-caption p {
    font-size: 13px;
  }
  .type-caption p br {
    display: none;
  }
  .type-link {
    font-size: 12px;
  }
  .purpose {
    padding-top: 100px;
    padding-bottom: 100px;
    gap: 9%;
  }
  .purpose-image img {
    aspect-ratio: 0.7;
  }
  .purpose-copy h2 {
    font-size: 28px;
  }
  .purpose-copy .section-label {
    font-size: 10px;
  }
  .contact-actions {
    gap: 25px;
  }
  .contact-actions .button-primary {
    min-width: 255px;
  }
  .phone-link {
    padding-left: 25px;
  }
  .phone-link > strong {
    font-size: 24px;
  }
  .contact-copy > p {
    font-size: 14px;
  }
  .contact-art {
    width: 70%;
    right: -25%;
    opacity: 0.12;
  }
  .project-jumps {
    top: 80px;
    padding: 8px var(--gutter);
    gap: 24px;
  }
  .project-jumps a:last-child {
    font-size: 0;
    gap: 0;
  }
  .project-jumps a:last-child:after {
    content: "相談する ↗";
    font-size: 12px;
  }
  .zero-hero-copy > .eyebrow {
    font-size: 11px;
  }
  .zero-hero h1 {
    font-size: 37px;
    margin: 24px 0;
  }
  .zero-hero h1 > span {
    font-size: 83px;
  }
  .zero-hero {
    min-height: 580px;
  }
  .zero-hero .hero-actions {
    max-width: 250px;
  }
  .zero-hero-copy > p br {
    display: none;
  }
  .zero-hero-copy > p {
    font-size: 14px;
    max-width: 300px;
  }
  .zero-hero-art {
    width: 170%;
    margin-left: -28%;
  }
  .zero-hero-art > span {
    font-size: 8px;
    letter-spacing: 0.08em;
    padding-right: 25%;
  }
  .concept-three {
    gap: 28px;
  }
  .concept-three h3 {
    font-size: 23px;
  }
  .concept-three p {
    font-size: 13px;
  }
  .service-case-teaser > a:first-child {
    gap: 6%;
  }
  .teaser-copy h2 {
    font-size: 25px;
  }
  .teaser-copy p {
    font-size: 13px;
  }
  .use-tabs > button {
    padding: 17px 14px;
    font-size: 13px;
  }
  .living-layout {
    gap: 5%;
    padding-top: 35px;
  }
  .use-panel h3 {
    font-size: 25px;
  }
  .use-panel p {
    font-size: 13px;
    min-height: 140px;
  }
  .use-tag {
    font-size: 11px;
  }
  .service-page .section-heading h2 {
    font-size: 32px;
  }
  .service-page .cost-heading {
    gap: 6%;
  }
  .service-page .cost-number {
    font-size: 56px;
  }
  .service-page .cost-summary h3 {
    font-size: 19px;
  }
  .service-page .tax-example strong {
    font-size: 33px;
  }
  .service-page .cost-number small {
    font-size: 13px;
  }
  .service-page .cost-heading p {
    font-size: 14px;
  }
}
@media (max-width: 600px) {
  html {
    scroll-padding-top: 85px;
  }
  :root {
    --gutter: 24px;
  }
  .site-header,
  .service-page .site-header {
    height: 72px;
    padding: 10px 20px;
    gap: 14px;
  }
  .brand img {
    width: 100px;
  }
  .site-header .header-cta {
    padding: 11px 15px;
    gap: 16px;
    font-size: 11px;
    min-height: 42px;
  }
  .site-header nav,
  .zero-theme .site-header nav,
  .service-page .site-header nav {
    top: 72px;
  }
  .menu-button {
    padding: 9px 0 9px 3px;
    min-height: 44px;
  }
  .service-brand {
    font-size: 20px;
  }
  .service-brand span {
    font-size: 8px;
    letter-spacing: 0.04em;
    margin-top: 6px;
  }
  .service-page .site-header .header-cta,
  .zero-theme .site-header .header-cta {
    font-size: 10px;
    gap: 10px;
    padding: 10px 13px;
  }
  .section-pad,
  .pad {
    padding: 64px var(--gutter);
  }
  .eyebrow {
    font-size: 11px;
  }
  .section-label,
  .section-caption {
    font-size: 10px;
    letter-spacing: 0.025em;
    gap: 15px;
  }
  .section-heading {
    margin: 30px 0 35px;
  }
  .section-heading h2 {
    font-size: 29px;
    line-height: 1.75;
  }
  .section-heading > p {
    font-size: 14px;
    line-height: 2;
    margin-top: 20px;
  }
  .section-heading > p br {
    display: none;
  }
  .line-link {
    font-size: 13px;
  }
  .home-hero {
    display: flex;
    flex-direction: column;
    min-height: 0;
    padding: 0;
  }
  .hero-title {
    padding: 32px var(--gutter) 30px;
    display: block;
  }
  .hero-title .eyebrow {
    font-size: 10px;
  }
  .hero-title h1 {
    font-size: clamp(34px, 9.5vw, 52px);
    line-height: 1.55;
    margin: 18px 0 18px;
    letter-spacing: -0.045em;
  }
  .hero-title > p {
    font-size: 13px;
    line-height: 1.95;
    max-width: 350px;
  }
  .hero-title > p br:last-child {
    display: none;
  }
  .hero-actions {
    flex-direction: row;
    max-width: none;
    gap: 10px;
    width: auto;
    margin-top: 24px;
  }
  .hero-actions .button-primary,
  .hero-actions .button-outline {
    padding: 13px 17px;
    font-size: 12px;
    min-height: 48px;
    flex: 1;
    gap: 12px;
    white-space: nowrap;
  }
  .hero-values {
    display: none;
  }
  .hero-photo {
    height: 410px;
    min-height: 0;
    width: calc(100% - 24px);
    margin-left: 24px;
    border-radius: 3px 0 0 54px;
  }
  .hero-photo > img {
    object-position: 48% 50%;
  }
  .hero-project {
    inset: auto 18px 18px 18px;
    border-radius: 2px 2px 2px 24px;
    padding: 18px 20px;
  }
  .hero-project strong {
    font-size: 19px;
    margin-top: 8px;
    letter-spacing: 0;
  }
  .hero-project > div > span {
    font-size: 9px;
  }
  .hero-project > b {
    width: 37px;
    height: 37px;
    font-size: 19px;
  }
  .photo-index {
    font-size: 10px;
    top: 18px;
    right: 18px;
  }
  .home-bridge {
    margin: 0 var(--gutter);
    padding: 17px 0;
    gap: 12px;
  }
  .home-bridge > span {
    font-size: 10px;
    max-width: 130px;
    line-height: 1.8;
  }
  .home-bridge > a {
    font-size: 10px;
    gap: 12px;
    line-height: 1.8;
  }
  .home-works {
    padding-top: 55px;
  }
  .home-works .section-heading {
    margin: 28px 0 36px;
  }
  .home-works .display-en {
    font-size: 80px;
  }
  .home-works .section-heading h2 {
    font-size: 21px;
    margin: 16px 0 0;
    letter-spacing: 0;
  }
  .home-works .section-heading > .line-link {
    margin-top: 15px;
    gap: 30px;
  }
  .work-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 45px;
  }
  .work-grid > .work-card:nth-child(2) {
    margin-top: 0;
  }
  .work-grid > .work-card:nth-child(2) .work-image {
    margin-left: 0;
  }
  .work-image img,
  .work-card:nth-child(2) .work-image img {
    aspect-ratio: 1.25;
  }
  .work-meta {
    font-size: 10px;
    gap: 5px;
    margin-top: 17px;
  }
  .work-card h3 {
    font-size: 21px;
    line-height: 1.8;
    margin: 13px 0 10px;
  }
  .work-card > p {
    font-size: 11px;
  }
  .work-arrow {
    width: 48px;
    height: 48px;
    border-top-left-radius: 16px;
  }
  .housing-collection {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .type-photo img {
    aspect-ratio: 1.5;
  }
  .type-caption {
    padding: 25px;
  }
  .type-caption > span:first-child {
    font-size: 10px;
  }
  .type-caption h3 {
    font-size: 25px;
    margin: 17px 0;
  }
  .type-caption p {
    font-size: 14px;
  }
  .type-link {
    font-size: 13px;
    min-height: 50px;
  }
  .purpose {
    display: flex;
    padding-top: 80px;
    padding-bottom: 70px;
    gap: 35px;
  }
  .purpose-image {
    width: 82%;
    padding: 16px 0;
    margin-left: 10px;
  }
  .purpose-image:before {
    left: -16px;
    top: 0;
    border-radius: 80px 80px 3px 3px;
  }
  .purpose-image img {
    aspect-ratio: 0.93;
  }
  .purpose-image > span {
    bottom: 17px;
    right: -25px;
    font-size: 9px;
  }
  .purpose-copy h2 {
    font-size: 30px;
    line-height: 1.8;
    margin: 27px 0;
  }
  .purpose-copy > p {
    font-size: 14px;
  }
  .purpose-copy .section-label {
    font-size: 10px;
  }
  .vision {
    margin-top: 28px;
    padding-top: 22px;
  }
  .vision p {
    font-size: 18px;
  }
  .business-steps article {
    padding: 23px 0;
    gap: 10px;
  }
  .business-steps h3 {
    font-size: 21px;
  }
  .business-steps p {
    font-size: 13px;
  }
  .business-note {
    font-size: 11px;
  }
  .company-section h2 {
    font-size: 27px;
    margin: 35px 0 25px;
  }
  .company-data > div {
    font-size: 14px;
    grid-template-columns: 1fr;
    gap: 7px;
  }
  .company-data dd {
    font-size: 14px;
  }
  .company-data dt {
    font-size: 12px;
  }
  .contact-section {
    padding: 70px var(--gutter);
  }
  .contact-copy h2 {
    font-size: 34px;
    line-height: 1.65;
    margin: 20px 0 22px;
  }
  .contact-copy > p {
    font-size: 14px;
    max-width: 350px;
  }
  .contact-copy > p br {
    display: none;
  }
  .contact-copy > .eyebrow {
    font-size: 9px;
    letter-spacing: 0.06em;
  }
  .contact-actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 25px;
    margin-top: 28px;
  }
  .contact-actions .button-primary {
    min-width: 0;
    width: 100%;
    max-width: 360px;
    font-size: 14px;
  }
  .phone-link {
    border: 0;
    padding: 0;
    min-height: 65px;
    width: max-content;
  }
  .phone-link > span {
    font-size: 11px;
  }
  .phone-link > strong {
    font-size: 27px;
  }
  .contact-copy .contact-note {
    font-size: 10px;
    margin-top: 20px;
    max-width: 290px;
  }
  .contact-art {
    right: -55%;
    width: 115%;
    opacity: 0.12;
  }
  .zero-theme .contact-art {
    right: -55%;
    width: 110%;
    opacity: 0.28;
  }
  .site-footer {
    padding: 44px var(--gutter) 98px;
  }
  .footer-top {
    display: block;
  }
  .footer-top img {
    width: 125px;
  }
  .footer-top p {
    font-size: 13px;
    margin-top: 22px;
  }
  .footer-nav {
    gap: 4px 25px;
    margin: 22px 0 25px;
  }
  .footer-nav a {
    font-size: 12px;
    min-height: 42px;
  }
  .footer-base {
    font-size: 10px;
    gap: 15px;
    flex-wrap: wrap;
  }
  .footer-base > a {
    font-size: 10px;
  }
  .mobile-actionbar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 45;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    padding: 8px 12px max(8px, env(safe-area-inset-bottom));
    gap: 8px;
    background: #fffffff2;
    backdrop-filter: blur(14px);
    border-top: 1px solid #d8e0e5;
    box-shadow: 0 -3px 25px #00162708;
  }
  .mobile-actionbar > a {
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    font-size: 12px;
    color: #001627;
    border: 1px solid #d8e0e5;
    border-radius: 99px;
    background: white;
  }
  .mobile-actionbar > a:last-child {
    background: var(--blue);
    border-color: var(--blue);
    color: white;
  }
  .mobile-actionbar > a > span {
    font-size: 17px;
  }
  .zero-theme .mobile-actionbar {
    background: #0073e6f2;
    border-color: #ffffff55;
  }
  .zero-theme .mobile-actionbar > a:first-child {
    background: transparent;
    color: white;
    border-color: #ffffff77;
  }
  .zero-theme .mobile-actionbar > a:last-child {
    background: white;
    color: var(--blue);
    border-color: white;
  }
  .breadcrumbs {
    font-size: 10px;
    gap: 8px;
    margin-bottom: 32px;
  }
  .works-intro {
    padding-top: 25px;
  }
  .works-intro .display-en {
    font-size: 78px;
  }
  .works-intro .section-heading > p {
    font-size: 14px;
  }
  .display-en > span {
    font-size: 14px;
  }
  .works-intro .section-heading {
    margin-bottom: 35px;
  }
  .index-line {
    font-size: 10px;
  }
  .project-title {
    padding-top: 23px;
    padding-bottom: 30px;
  }
  .project-heading h1 {
    font-size: clamp(22px, 5.8vw, 31px);
    line-height: 1.85;
    margin-top: 20px;
  }
  .project-heading .eyebrow {
    font-size: 10px;
  }
  .project-location {
    font-size: 11px;
    margin-top: 22px;
  }
  .project-cover {
    height: 100vw;
    margin: 0;
    border-radius: 0;
  }
  .cover-gallery > span {
    font-size: 11px;
    padding: 12px 15px;
    bottom: 17px;
    right: 17px;
  }
  .project-jumps {
    top: 72px;
    gap: 16px;
    padding: 6px 20px;
    overflow: auto;
    scrollbar-width: none;
    justify-content: flex-start;
  }
  .project-jumps a {
    font-size: 11px;
    min-height: 42px;
    flex-shrink: 0;
  }
  .project-jumps a:last-child {
    margin-left: auto;
  }
  .project-jumps a:last-child:after {
    font-size: 11px;
  }
  .zero-theme .project-jumps {
    gap: 15px;
  }
  .zero-theme .project-jumps a:nth-child(3) {
    display: none;
  }
  .project-summary {
    padding: 55px var(--gutter);
    gap: 32px;
  }
  .project-summary h2 {
    font-size: 29px;
    margin: 22px 0;
  }
  .project-summary p {
    font-size: 14px;
  }
  .project-spec > div {
    font-size: 13px;
    grid-template-columns: 100px 1fr;
    gap: 12px;
  }
  .project-spec dt {
    font-size: 12px;
  }
  .project-figure figcaption {
    font-size: 11px;
  }
  .story-copy p {
    font-size: 14px;
  }
  .source-note,
  .zero-theme .source-note {
    font-size: 11px;
  }
  .related-card .work-card h3 {
    font-size: 21px;
  }
  .related-card .work-card p {
    font-size: 11px;
  }
  .next-banner {
    padding: 60px var(--gutter);
  }
  .photo-dialog {
    padding: 54px 12px 16px;
    width: 96vw;
    max-height: 92svh;
  }
  .photo-dialog img {
    max-height: 65svh;
  }
  .photo-close {
    top: 5px;
    right: 10px;
    font-size: 12px;
  }
  .photo-dialog figcaption {
    font-size: 11px;
  }
  .photo-controls {
    margin-top: 10px;
  }
  .zero-work-text h2 {
    font-size: 25px;
    line-height: 1.8;
  }
  .zero-work-text p {
    font-size: 14px;
  }
  .zero-theme .project-tags {
    font-size: 11px;
  }
  .zero-hero {
    display: block;
    padding: 28px var(--gutter) 0;
    min-height: 0;
  }
  .zero-hero-copy {
    padding: 0;
    position: relative;
  }
  .zero-hero-copy > .eyebrow {
    font-size: 10px;
  }
  .zero-hero h1 {
    font-size: 31px;
    line-height: 1.6;
    margin: 22px 0 17px;
  }
  .zero-hero h1 > span {
    font-size: clamp(75px, 23vw, 118px);
    line-height: 1.2;
  }
  .zero-hero-copy > p {
    font-size: 13px;
    max-width: 340px;
    line-height: 2;
  }
  .zero-hero .hero-actions {
    max-width: none;
    margin-top: 24px;
  }
  .zero-hero-art {
    width: 145%;
    margin: 0 0 0 -22.5%;
    height: 280px;
  }
  .zero-hero-art img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 55%;
  }
  .zero-hero-art > span {
    display: none;
  }
  .zero-hero-bottom {
    font-size: 10px;
    padding: 18px 0;
    display: flex;
    gap: 15px;
  }
  .zero-hero-bottom > a {
    font-size: 10px;
    line-height: 1.8;
    max-width: 160px;
  }
  .service-page .section-heading h2 {
    font-size: 29px;
  }
  .service-page .section-heading > p {
    font-size: 14px;
  }
  .zero-intro {
    padding-top: 55px;
  }
  .concept-three {
    grid-template-columns: 1fr;
    margin: 34px 0 28px;
    gap: 26px;
  }
  .concept-three article {
    display: grid;
    grid-template-columns: 30px 1fr;
    gap: 6px 15px;
    padding-top: 23px;
  }
  .concept-three article > span {
    font-size: 11px;
    padding-top: 9px;
  }
  .concept-three h3 {
    margin: 0 0 10px;
    font-size: 25px;
  }
  .concept-three p {
    grid-column: 2;
    font-size: 14px;
    max-width: none;
  }
  .zero-intro .fine-print {
    font-size: 11px;
  }
  .service-case-teaser {
    padding: 55px var(--gutter);
  }
  .service-case-teaser > a:first-child {
    display: block;
  }
  .teaser-image img {
    aspect-ratio: 1.15;
  }
  .teaser-copy {
    margin-top: 26px;
  }
  .teaser-copy h2 {
    font-size: 25px;
    line-height: 1.8;
    margin: 20px 0;
  }
  .teaser-copy p {
    font-size: 14px;
  }
  .teaser-link {
    font-size: 14px;
    margin-top: 22px;
  }
  .service-case-teaser .all-cases {
    font-size: 12px;
    margin-top: 22px;
  }
  .use-tabs {
    grid-template-columns: 1fr 1fr;
    border: 1px solid #d8e0e5;
  }
  .use-tabs > button {
    font-size: 13px;
    padding: 16px 18px;
    min-height: 70px;
    border-bottom-width: 2px;
  }
  .use-tabs > button:nth-child(odd) {
    border-right: 1px solid #d8e0e5;
  }
  .use-tabs > button > span {
    font-size: 9px;
    margin-bottom: 7px;
  }
  .living-layout {
    display: flex;
    flex-direction: column;
    gap: 28px;
    padding-top: 30px;
    align-items: stretch;
  }
  .life-diagram {
    max-width: 390px;
    width: 100%;
    margin: auto;
  }
  .life-diagram svg {
    width: 100%;
    max-height: 280px;
  }
  .life-diagram figcaption {
    font-size: 10px;
    margin-top: 10px;
  }
  .use-panel {
    min-height: 280px;
  }
  .use-panel .eyebrow {
    font-size: 10px;
  }
  .use-panel h3 {
    font-size: 27px;
    line-height: 1.7;
    margin: 18px 0 18px;
    max-width: 330px;
  }
  .use-panel p {
    font-size: 14px;
    min-height: 0;
    line-height: 2;
  }
  .use-tag {
    font-size: 11px;
    margin-top: 18px;
  }
  .living-lab > .fine-print {
    font-size: 11px;
    margin-top: 24px;
  }
  .service-page .cost-heading {
    margin: 35px 0;
    display: block;
  }
  .service-page .cost-heading h2 {
    font-size: 29px;
    margin-bottom: 25px;
  }
  .service-page .cost-heading p {
    font-size: 14px;
  }
  .service-page .cost-example {
    display: block;
  }
  .service-page .cost-summary {
    padding: 28px 0;
  }
  .service-page .cost-number {
    font-size: 65px;
    margin: 10px 0 27px;
  }
  .service-page .cost-number small {
    font-size: 15px;
  }
  .service-page .cost-summary h3 {
    font-size: 21px;
    margin: 25px 0 0;
  }
  .service-page .tax-example strong {
    font-size: 38px;
  }
  .service-page .cost-breakdown {
    padding: 28px 0;
    border-left: 0;
    border-top: 1px solid #ffffff55;
  }
  .service-page .cost-breakdown dl > div {
    font-size: 14px;
  }
  .service-page .cost-conditions p {
    font-size: 11px;
    line-height: 1.9;
  }
  .service-page .support-section {
    padding-top: 10px;
  }
  .service-page .support-section h2 {
    font-size: 29px;
    margin: 35px 0;
  }
  .service-page .support-main {
    gap: 25px;
  }
  .service-page .support-main strong {
    font-size: 62px;
    margin: 15px 0;
    line-height: 1.4;
  }
  .service-page .support-main small {
    font-size: 18px;
    display: block;
    margin: -5px 0 20px;
  }
  .service-page .support-main article > span {
    font-size: 15px;
  }
  .service-page .support-main p {
    font-size: 12px;
    line-height: 1.8;
  }
  .service-page .support-lines article {
    display: block;
    padding: 22px 0;
  }
  .service-page .support-lines h3 {
    font-size: 20px;
    margin-bottom: 10px;
  }
  .service-page .support-lines p {
    font-size: 14px;
  }
  .service-page .questions {
    padding-top: 10px;
  }
  .service-page .questions h2 {
    font-size: 25px;
    line-height: 1.7;
    margin: 30px 0;
  }
  .service-page .questions summary {
    font-size: 15px;
    padding: 22px 32px 22px 0;
    line-height: 1.8;
  }
  .service-page .questions summary:after {
    font-size: 22px;
    right: 0;
    top: 22px;
  }
  .service-page .questions details > p {
    font-size: 14px;
    margin-right: 0;
  }
  .service-page .contact-section {
    padding-top: 65px;
  }
  .service-page .site-footer p {
    margin-top: 22px;
  }
}
@media (max-width: 360px) {
  :root {
    --gutter: 20px;
  }
  .site-header,
  .service-page .site-header {
    padding-left: 16px;
    padding-right: 16px;
    gap: 10px;
  }
  .brand img {
    width: 94px;
  }
  .service-brand {
    font-size: 18px;
  }
  .service-brand span {
    font-size: 7px;
  }
  .site-header .header-cta {
    padding: 11px 13px;
    gap: 10px;
    font-size: 10px;
  }
  .hero-title h1 {
    font-size: 34px;
  }
  .hero-actions .button-primary,
  .hero-actions .button-outline {
    font-size: 11px;
    padding: 13px 14px;
    gap: 8px;
  }
  .hero-project {
    padding: 16px;
    left: 14px;
    right: 14px;
  }
  .hero-project strong {
    font-size: 17px;
  }
  .hero-project > b {
    width: 32px;
    height: 32px;
  }
  .home-bridge > span {
    max-width: 105px;
  }
  .home-bridge > a {
    max-width: 145px;
  }
  .work-card h3 {
    font-size: 19px;
  }
  .type-caption {
    padding: 23px;
  }
  .type-caption h3 {
    font-size: 23px;
  }
  .contact-copy h2 {
    font-size: 31px;
  }
  .project-jumps {
    padding-left: 16px;
    padding-right: 16px;
    gap: 16px;
  }
  .zero-hero h1 > span {
    font-size: 83px;
  }
  .use-tabs > button {
    font-size: 12px;
    padding: 15px;
  }
  .service-page .cost-number {
    font-size: 58px;
  }
  .service-page .cost-number small {
    font-size: 13px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
  }
  .js .reveal {
    opacity: 1;
    transform: none;
  }
}
.photo-controls[hidden] {
  display: none;
}
.service-page .section-heading .fine-print {
  font-size: 12px;
}
.site-header .nav-inquiry:focus-visible {
  outline-offset: 3px;
}
/* Mobile is composed for the screen, not scaled down from desktop. */
.zero-mobile-photo {
  display: none;
}
.zero-hero h1 > .zero-title-desktop {
  font-size: inherit;
  line-height: 1.6;
  letter-spacing: inherit;
}
.zero-title-desktop > strong {
  font-size: clamp(75px, 8.6vw, 136px);
  line-height: 1.35;
  letter-spacing: -0.065em;
  font-weight: 400;
}
.zero-hero h1 > .zero-title-mobile {
  display: none;
}
@media (max-width: 1100px) {
  .zero-title-desktop > strong {
    font-size: 98px;
  }
}
@media (max-width: 900px) {
  .zero-title-desktop > strong {
    font-size: 83px;
  }
}
@media (max-width: 600px) {
  .mobile-actionbar {
    padding: 0 0 env(safe-area-inset-bottom);
    gap: 0;
    grid-template-columns: 1fr 1.3fr;
    border-top: 1px solid #d8e0e5;
    background: white;
    transform: translateY(110%);
    pointer-events: none;
    transition: transform 0.3s;
  }
  .mobile-actionbar > a {
    min-height: 56px;
    border: 0;
    border-radius: 0;
    font-size: 13px;
  }
  .mobile-actionbar > a:first-child {
    border-right: 1px solid #d8e0e5;
  }
  .mobile-actionbar > a:last-child {
    border-radius: 0;
  }
  .past-hero:not(.at-contact) .mobile-actionbar {
    transform: translateY(0);
    pointer-events: auto;
  }
  .zero-theme .mobile-actionbar {
    background: var(--blue);
    border-color: #ffffff55;
  }
  .zero-theme .mobile-actionbar > a:first-child {
    border-right-color: #ffffff55;
  }
  .mobile-actionbar > a > span {
    font-size: 19px;
  }
  .home-hero .hero-title {
    padding-top: 30px;
    padding-bottom: 25px;
  }
  .home-hero .hero-title h1 {
    font-size: clamp(34px, 9.6vw, 47px);
    line-height: 1.55;
    margin: 17px 0 18px;
  }
  .home-hero .hero-title > p {
    font-size: 13px;
    line-height: 1.95;
  }
  .home-hero .hero-actions {
    margin-top: 22px;
  }
  .home-hero .hero-actions .button-outline {
    display: none;
  }
  .home-hero .hero-actions .button-primary {
    border: 0;
    border-radius: 0;
    background: none;
    color: var(--blue);
    padding: 5px 0;
    min-height: 44px;
    flex: none;
    gap: 35px;
    font-size: 13px;
    border-bottom: 1px solid #0073e655;
  }
  .home-hero .hero-photo {
    height: 380px;
  }
  .home-hero .hero-project {
    background: #ffffffed;
    padding: 17px 20px;
  }
  .home-hero .hero-project strong {
    font-size: 18px;
  }
  .home-bridge > span {
    max-width: 140px;
  }
  .zero-hero {
    padding: 0;
    overflow: hidden;
    position: relative;
  }
  .zero-hero-copy {
    padding: 31px var(--gutter) 27px;
  }
  .zero-hero-copy > .eyebrow {
    font-size: 10px;
    letter-spacing: 0.07em;
  }
  .zero-hero h1 {
    margin: 20px 0 18px;
    font-size: 31px;
    line-height: 1.65;
    letter-spacing: -0.04em;
  }
  .zero-hero h1 > .zero-title-desktop {
    display: none;
  }
  .zero-hero h1 > .zero-title-mobile {
    display: block;
    font-size: inherit;
    line-height: inherit;
    letter-spacing: inherit;
  }
  .zero-hero-copy > p {
    font-size: 13px;
    line-height: 1.95;
    max-width: 330px;
    margin: 0;
  }
  .zero-hero-copy > p br {
    display: none;
  }
  .zero-hero .hero-actions {
    display: none;
  }
  .zero-hero-art {
    display: none;
  }
  .zero-mobile-photo {
    display: block;
    position: relative;
    width: calc(100% - 24px);
    margin-left: 24px;
    height: 360px;
    border-radius: 3px 0 0 48px;
    overflow: hidden;
  }
  .zero-mobile-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 48% 55%;
  }
  .zero-mobile-photo:after {
    content: "";
    position: absolute;
    inset: 50% 0 0;
    background: linear-gradient(transparent, #001627aa);
  }
  .mobile-photo-caption {
    position: absolute;
    left: 26px;
    right: 22px;
    bottom: 27px;
    z-index: 1;
    color: white;
  }
  .mobile-photo-caption > span {
    font:
      9px/1.5 Arial,
      sans-serif;
    letter-spacing: 0.12em;
  }
  .mobile-photo-caption strong {
    display: block;
    font-weight: 400;
    font-size: 20px;
    line-height: 1.5;
    margin-top: 10px;
    letter-spacing: 0.02em;
  }
  .mobile-photo-caption > b {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 38px;
    height: 38px;
    border: 1px solid #ffffff88;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 19px;
    font-weight: 400;
  }
  .zero-hero-bottom {
    padding: 17px 0;
    margin: 0 var(--gutter);
    border-top: 0;
    border-bottom: 1px solid #ffffff55;
    font-size: 10px;
    align-items: center;
    gap: 15px;
  }
  .zero-hero-bottom > span {
    max-width: 150px;
    line-height: 1.8;
  }
  .zero-hero-bottom > a {
    max-width: 120px;
    font-size: 10px;
    margin: 0;
    line-height: 1.8;
    text-align: right;
  }
  .zero-intro {
    position: relative;
    overflow: hidden;
  }
  .zero-intro:after {
    content: "";
    position: absolute;
    right: -10px;
    top: 60px;
    width: 85px;
    height: 85px;
    border: 1px solid #ffffff44;
    border-radius: 50%;
    pointer-events: none;
  }
  .service-page .zero-intro .section-heading h2 {
    font-size: 28px;
  }
  .service-page .service-case-teaser {
    padding-top: 50px;
    padding-bottom: 50px;
  }
  .service-page .teaser-copy h2 {
    font-size: 24px;
  }
  .use-tabs > button {
    padding: 16px 18px;
  }
  .use-panel h3 {
    font-size: 26px;
  }
}
@media (max-width: 360px) {
  .zero-hero h1 {
    font-size: 28px;
  }
  .zero-mobile-photo {
    height: 330px;
    margin-left: 20px;
    width: calc(100% - 20px);
  }
  .mobile-photo-caption {
    left: 23px;
    right: 18px;
  }
  .mobile-photo-caption strong {
    font-size: 18px;
  }
  .mobile-photo-caption > b {
    width: 32px;
    height: 32px;
  }
  .home-hero .hero-photo {
    height: 340px;
  }
}
/* Keep each living choice and its response together on a small screen. */
.use-panel:not([hidden]) {
  animation: scene-in 0.28s ease-out;
}
@keyframes scene-in {
  from {
    opacity: 0.4;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (max-width: 600px) {
  .hero-title > p br:last-child {
    display: block;
  }
  .living-lab .section-heading {
    margin-bottom: 26px;
  }
  .living-lab .section-heading > p {
    font-size: 13px;
    margin-top: 16px;
  }
  .use-tabs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border: 0;
    border-bottom: 1px solid #ccd9e3;
    gap: 0;
  }
  .use-tabs > button {
    padding: 12px 4px;
    min-height: 64px;
    font-size: 12px;
    text-align: center;
    white-space: nowrap;
    border: 0;
    border-bottom: 2px solid transparent;
  }
  .use-tabs > button:nth-child(odd) {
    border-right: 0;
  }
  .use-tabs > button > span {
    font-size: 9px;
    margin-bottom: 7px;
  }
  .living-layout {
    gap: 22px;
    padding-top: 20px;
  }
  .life-diagram {
    max-width: 300px;
  }
  .life-diagram svg {
    height: 218px;
    max-height: none;
    width: 100%;
  }
  .life-diagram figcaption {
    font-size: 9px;
    margin-top: 5px;
    white-space: normal;
  }
  .use-panel {
    min-height: 245px;
  }
  .use-panel .eyebrow {
    font-size: 9px;
  }
  .use-panel h3 {
    font-size: 23px;
    line-height: 1.7;
    margin: 12px 0 14px;
    max-width: none;
  }
  .use-panel p {
    font-size: 13px;
    line-height: 1.95;
  }
  .use-tag {
    margin-top: 16px;
    font-size: 10px;
    padding: 9px 12px;
  }
  .living-lab > .fine-print {
    margin-top: 20px;
    font-size: 10px;
  }
}
/* --- v7 追加調整:和文見出しの字間、写真切り替えのフェード、押下フィードバック --- */
h1,
h2,
h3 {
  font-feature-settings: "palt";
}
.hero-scene-controls button:active {
  transform: scale(0.96);
}
.corporate #hero-scene-image.is-switching {
  opacity: 0;
}

/* VI: Yellow は「情報を際立たせるアクセント」。お問い合わせCTAのみに限定して使用。 */
.site-header .header-cta[data-cta="inquiry"],
.contact-section a.button-primary[data-cta="inquiry"],
.mobile-actionbar > a[data-cta="inquiry"] {
  background: #ebcb3d;
  border-color: #ebcb3d;
  color: #001627;
}
.site-header .header-cta[data-cta="inquiry"]:hover,
.contact-section a.button-primary[data-cta="inquiry"]:hover,
.mobile-actionbar > a[data-cta="inquiry"]:hover {
  background: #e0bf30;
  border-color: #e0bf30;
  color: #001627;
}
/* 黄地の上では黄のフォーカスリングが見えないため、墨色に切り替える */
.site-header .header-cta[data-cta="inquiry"]:focus-visible,
.contact-section a.button-primary[data-cta="inquiry"]:focus-visible,
.mobile-actionbar > a[data-cta="inquiry"]:focus-visible {
  outline-color: #001627;
}