:root {
  --purple: #7c4dff;
  --violet: #a98cff;
  --ink: #121116;
  --muted: #6b6873;
  --line: #e2dff0;
  --paper: #f8f7fc;
  --white: #ffffff;
  --success: #187c61;
  --page: min(1180px, calc(100vw - 64px));
  --shadow: 0 22px 60px rgba(33, 23, 62, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

button {
  font: inherit;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 14px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(226, 223, 240, 0.78);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

.nav-shell {
  width: var(--page);
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.brand img {
  width: 142px;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 30px;
  font-size: 13px;
  font-weight: 700;
}

.nav-links > a:not(.button) {
  position: relative;
  padding: 8px 0;
}

.nav-links > a:not(.button)::after {
  content: "";
  position: absolute;
  right: 100%;
  bottom: 1px;
  left: 0;
  height: 2px;
  background: var(--purple);
  transition: right 180ms ease;
}

.nav-links > a:hover::after,
.nav-links > a[aria-current="page"]::after {
  right: 0;
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-button span {
  display: block;
  height: 2px;
  margin: 6px 0;
  background: var(--ink);
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-button[aria-expanded="true"] span:first-child {
  transform: translateY(8px) rotate(45deg);
}

.menu-button[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-button[aria-expanded="true"] span:last-child {
  transform: translateY(-8px) rotate(-45deg);
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding: 12px 18px 12px 22px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  color: var(--white);
  background: var(--ink);
  font-size: 13px;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button::after {
  content: "↗";
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--purple);
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(18, 17, 22, 0.16);
}

.button.secondary {
  border-color: var(--line);
  color: var(--ink);
  background: var(--white);
}

.button.secondary::after {
  color: var(--ink);
  background: var(--paper);
}

.button.purple {
  border-color: var(--purple);
  background: var(--purple);
}

.button.purple::after {
  color: var(--purple);
  background: var(--white);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
  color: var(--purple);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
}

.hero,
.page-hero {
  overflow: hidden;
  position: relative;
  background:
    radial-gradient(circle at 78% 36%, rgba(124, 77, 255, 0.16), transparent 29%),
    linear-gradient(180deg, #fff 0%, #faf9ff 100%);
}

.hero-shell,
.page-hero-shell {
  width: var(--page);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(320px, 0.82fr);
  align-items: center;
  gap: 6vw;
}

.hero-shell {
  min-height: 760px;
  padding: 104px 0 88px;
}

.page-hero-shell {
  min-height: 510px;
  padding: 92px 0 80px;
}

.hero h1,
.page-hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(52px, 6.5vw, 92px);
  font-weight: 900;
  letter-spacing: -0.07em;
  line-height: 0.98;
}

.page-hero h1 {
  font-size: clamp(46px, 5.8vw, 78px);
}

.hero h1.hero-long {
  font-size: clamp(44px, 3.8vw, 54px);
  letter-spacing: -0.065em;
  line-height: 1.02;
}

.hero h1.hero-long > span {
  display: block;
  white-space: nowrap;
}

.mobile-break {
  display: none;
}

.hero h1 em,
.page-hero h1 em {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--ink);
  font-style: normal;
}

.hero-lead,
.page-lead {
  max-width: 680px;
  margin: 30px 0 0;
  color: #56515e;
  font-size: 18px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-note {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 28px;
  color: var(--muted);
  font-size: 12px;
}

.hero-note span::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--purple);
  vertical-align: 1px;
}

.hero-visual {
  position: relative;
  min-height: 500px;
}

.orbit {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(124, 77, 255, 0.3);
  border-radius: 50%;
  animation: orbit 24s linear infinite;
}

.orbit::before,
.orbit::after {
  content: "";
  position: absolute;
  border-radius: 50%;
}

.orbit::before {
  top: -10px;
  left: 50%;
  width: 20px;
  height: 20px;
  background: var(--purple);
}

.orbit::after {
  inset: 64px;
  border: 1px solid var(--line);
}

.system-card {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(360px, 76%);
  padding: 34px;
  border: 1px solid rgba(124, 77, 255, 0.16);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
  transform: translate(-50%, -50%);
  backdrop-filter: blur(14px);
}

.system-card strong {
  display: block;
  font-size: 26px;
  line-height: 1.22;
}

.system-card p {
  margin: 14px 0 24px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.signal-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px;
}

.signal-row.four {
  grid-template-columns: repeat(2, 1fr);
}

.signal-row span {
  padding: 10px 5px;
  border-radius: 7px;
  color: #4f4760;
  background: var(--paper);
  font-size: 10px;
  font-weight: 800;
  text-align: center;
}

.proof-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.proof-strip-inner {
  width: var(--page);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.proof-strip-item {
  padding: 26px 22px;
  border-left: 1px solid var(--line);
}

.proof-strip-item:last-child {
  border-right: 1px solid var(--line);
}

.proof-strip-item strong,
.proof-strip-item span {
  display: block;
}

.proof-strip-item strong {
  margin-bottom: 8px;
  font-size: 15px;
}

.proof-strip-item span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.section {
  padding: 118px 0;
}

.section.paper {
  background: var(--paper);
}

.section.dark {
  color: var(--white);
  background: var(--ink);
}

.section.purple {
  color: var(--white);
  background: var(--purple);
}

.section-shell {
  width: var(--page);
  margin: 0 auto;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.65fr);
  align-items: end;
  gap: 8vw;
  margin-bottom: 62px;
}

.section-head h2,
.statement h2,
.cta-panel h2 {
  margin: 0;
  font-size: clamp(38px, 5vw, 68px);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 1.04;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.dark .section-head p {
  color: #aaa3af;
}

.dark .eyebrow,
.purple .eyebrow {
  color: var(--violet);
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 18px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  min-height: 270px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
}

.card-number,
.card-label {
  display: block;
  margin-bottom: 42px;
  color: var(--purple);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.13em;
}

.card h3 {
  margin: 0 0 14px;
  font-size: 24px;
  line-height: 1.22;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.card.featured {
  border-color: var(--purple);
  color: var(--white);
  background: var(--purple);
  box-shadow: 0 22px 50px rgba(124, 77, 255, 0.2);
}

.card.featured .card-label,
.card.featured .card-number,
.card.featured p {
  color: rgba(255, 255, 255, 0.82);
}

.card-compact {
  min-height: 220px;
}

.card-compact .card-label {
  margin-bottom: 28px;
}

.dark .card {
  border-color: #3b3542;
  background: #211e26;
}

.dark .card p {
  color: #aaa3af;
}

.management-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 7vw;
  align-items: start;
}

.management-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.management-board div {
  min-height: 142px;
  padding: 22px;
  border: 1px solid #3b3542;
  border-radius: 9px;
  background: #211e26;
}

.management-board small,
.management-board strong,
.management-board span {
  display: block;
}

.management-board small {
  color: var(--violet);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.management-board strong {
  margin: 32px 0 7px;
  font-size: 22px;
}

.management-board span {
  color: #aaa3af;
  font-size: 12px;
  line-height: 1.5;
}

.management-copy h2 {
  margin: 0;
  font-size: clamp(38px, 5vw, 66px);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 1.04;
}

.management-copy > p:not(.eyebrow) {
  margin: 26px 0 0;
  color: #aaa3af;
  font-size: 15px;
  line-height: 1.8;
}

.management-points {
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.management-points li {
  padding: 15px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.84);
  font-size: 13px;
}

.metric-card {
  display: flex;
  min-height: 330px;
  flex-direction: column;
  padding: 36px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.metric-card strong {
  color: var(--purple);
  font-size: clamp(38px, 4vw, 58px);
  letter-spacing: -0.06em;
}

.metric-card h3 {
  margin: auto 0 12px;
  font-size: 22px;
}

.metric-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.72;
}

.proof-note {
  margin: 20px 0 0;
  color: #88818f;
  font-size: 11px;
  line-height: 1.75;
}

.flow-list {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.flow-item {
  display: grid;
  grid-template-columns: 80px 1fr minmax(250px, 0.7fr);
  gap: 28px;
  padding: 34px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.flow-item > strong {
  color: var(--violet);
  font-size: 12px;
}

.flow-item h3 {
  margin: 0;
  font-size: 25px;
}

.flow-item p {
  margin: 0;
  color: #aaa3af;
  font-size: 14px;
  line-height: 1.75;
}

.statement {
  width: var(--page);
  margin: 0 auto;
  text-align: center;
}

.statement > p {
  margin: 0 0 24px;
  font-size: 14px;
}

.statement-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 66px;
  border-top: 1px solid rgba(255, 255, 255, 0.33);
}

.statement-grid div {
  padding: 36px 22px 0;
  border-left: 1px solid rgba(255, 255, 255, 0.33);
}

.statement-grid div:last-child {
  border-right: 1px solid rgba(255, 255, 255, 0.33);
}

.statement-grid strong,
.statement-grid span {
  display: block;
}

.statement-grid strong {
  margin-bottom: 9px;
  font-size: 22px;
}

.statement-grid span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
}

.link-list {
  border-top: 1px solid var(--line);
}

.link-list a,
.link-row {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  align-items: center;
  gap: 26px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.link-list small,
.link-row small {
  color: var(--purple);
  font-size: 11px;
  font-weight: 800;
}

.link-list h3,
.link-row h3 {
  margin: 0;
  font-size: 24px;
}

.link-list b {
  color: var(--purple);
  font-size: 24px;
  transition: transform 180ms ease;
}

.link-list a:hover b {
  transform: translate(4px, -4px);
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 34px;
}

.tab {
  padding: 10px 18px;
  border: 1px solid #d3cedc;
  border-radius: 999px;
  color: var(--ink);
  background: var(--white);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.tab[aria-selected="true"],
.tab:hover {
  border-color: var(--ink);
  color: var(--white);
  background: var(--ink);
}

.scenario-card[hidden] {
  display: none;
}

.scenario-card {
  min-height: 370px;
  padding: 34px;
  border-radius: 12px;
  background: #eee9ff;
}

.scenario-card:nth-child(2n) {
  background: var(--paper);
}

.scenario-card.dark-card {
  color: var(--white);
  background: #18151e;
}

.scenario-card small {
  color: var(--purple);
  font-weight: 800;
  letter-spacing: 0.12em;
}

.scenario-card h3 {
  max-width: 380px;
  margin: 94px 0 18px;
  font-size: 30px;
  line-height: 1.14;
}

.scenario-card p {
  max-width: 440px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.scenario-card.dark-card p {
  color: #aaa3af;
}

.industry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.industry-tags span {
  padding: 7px 10px;
  border: 1px solid rgba(124, 77, 255, 0.24);
  border-radius: 999px;
  font-size: 11px;
}

.case-detail {
  display: grid;
  grid-template-columns: minmax(220px, 0.42fr) minmax(0, 1fr);
  gap: 7vw;
  padding: 58px 0;
  border-top: 1px solid var(--line);
}

.case-detail:last-child {
  border-bottom: 1px solid var(--line);
}

.case-result {
  color: var(--purple);
  font-size: clamp(48px, 6vw, 78px);
  font-weight: 900;
  letter-spacing: -0.07em;
  line-height: 1;
}

.case-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px;
}

.case-meta section {
  min-width: 0;
}

.case-meta h3 {
  margin: 0 0 10px;
  font-size: 14px;
}

.case-meta p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  position: relative;
  padding-right: 42px;
  font-size: 20px;
  font-weight: 800;
  list-style: none;
  cursor: pointer;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  position: absolute;
  top: -5px;
  right: 8px;
  color: var(--purple);
  font-size: 28px;
  font-weight: 400;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  max-width: 780px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 350px;
  gap: 9vw;
  align-items: start;
}

.qr-card {
  position: sticky;
  top: 110px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--white);
  box-shadow: var(--shadow);
  text-align: center;
}

.qr-card img {
  width: 230px;
  height: 230px;
  margin: 0 auto 18px;
  border: 10px solid var(--white);
}

.qr-card strong,
.qr-card span {
  display: block;
}

.qr-card strong {
  font-size: 18px;
}

.qr-card span {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 20px 0 20px 34px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.7;
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 29px;
  left: 3px;
  width: 8px;
  height: 8px;
  border: 2px solid var(--purple);
  border-radius: 50%;
}

.notice {
  margin-top: 26px;
  padding: 18px 20px;
  border-left: 3px solid var(--purple);
  color: var(--muted);
  background: var(--paper);
  font-size: 12px;
  line-height: 1.7;
}

.cta-section {
  position: relative;
  min-height: 600px;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.cta-section::after {
  content: "↗";
  position: absolute;
  right: -40px;
  bottom: -160px;
  color: var(--purple);
  font-size: 540px;
  line-height: 1;
}

.cta-panel {
  position: relative;
  z-index: 1;
  width: var(--page);
  margin: 0 auto;
  padding: 118px 0;
}

.cta-panel p {
  max-width: 620px;
  margin: 28px 0 34px;
  color: #aaa3af;
  font-size: 15px;
  line-height: 1.8;
}

.site-footer {
  padding: 68px 0 24px;
  background: var(--white);
}

.footer-shell {
  width: var(--page);
  margin: 0 auto;
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 10vw;
}

.footer-brand p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.footer-links strong,
.footer-links a {
  display: block;
}

.footer-links strong {
  margin-bottom: 16px;
  font-size: 12px;
}

.footer-links a {
  margin: 10px 0;
  color: var(--muted);
  font-size: 13px;
}

.footer-links a:hover {
  color: var(--purple);
}

.footer-guide-nav {
  display: grid;
  grid-template-columns: minmax(180px, 0.55fr) minmax(0, 1.45fr);
  gap: 48px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.footer-guide-nav strong,
.footer-guide-nav a {
  display: block;
}

.footer-guide-nav strong {
  margin-bottom: 12px;
  font-size: 12px;
}

.footer-guide-nav > div:first-child a,
.footer-guide-links a {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.footer-guide-nav a:hover {
  color: var(--purple);
}

.footer-guide-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px 28px;
}

.footer-guide-nav + .footer-bottom {
  margin-top: 32px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 64px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: #89828f;
  font-size: 10px;
}

.not-found {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 40px;
  text-align: center;
  background:
    radial-gradient(circle at 70% 35%, rgba(124, 77, 255, 0.18), transparent 28%),
    var(--paper);
}

.not-found strong {
  display: block;
  color: var(--purple);
  font-size: clamp(90px, 18vw, 190px);
  letter-spacing: -0.08em;
  line-height: 0.8;
}

.not-found h1 {
  margin: 30px 0 12px;
  font-size: clamp(32px, 5vw, 56px);
}

.not-found p {
  margin: 0 0 28px;
  color: var(--muted);
}

@keyframes orbit {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 960px) {
  :root {
    --page: min(100% - 40px, 860px);
  }

  .menu-button {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 76px;
    right: 0;
    left: 0;
    min-height: calc(100vh - 76px);
    padding: 34px 20px;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 8px;
    border-top: 1px solid var(--line);
    background: var(--white);
    font-size: 17px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 14px 0;
  }

  .nav-links .button {
    margin-top: 12px;
  }

  .hero-shell,
  .page-hero-shell,
  .section-head,
  .footer-main {
    grid-template-columns: 1fr;
  }

  .footer-guide-nav {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-guide-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-shell {
    min-height: auto;
    padding: 86px 0 50px;
  }

  .page-hero-shell {
    min-height: auto;
    padding: 82px 0 68px;
  }

  .hero-visual {
    min-height: 420px;
  }

  .section-head {
    gap: 22px;
  }

  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .metric-card {
    min-height: 270px;
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .management-grid {
    grid-template-columns: 1fr;
  }

  .qr-card {
    position: static;
    width: min(100%, 380px);
  }
}

@media (max-width: 640px) {
  :root {
    --page: calc(100% - 32px);
  }

  .nav-shell {
    min-height: 68px;
  }

  .brand img {
    width: 126px;
  }

  .nav-links {
    top: 68px;
    min-height: calc(100vh - 68px);
  }

  .hero h1,
  .page-hero h1 {
    font-size: clamp(43px, 14vw, 62px);
    letter-spacing: -0.065em;
  }

  .hero h1.hero-long {
    font-size: clamp(38px, 10.5vw, 46px);
    line-height: 1.04;
  }

  .mobile-break {
    display: inline;
  }

  .hero-lead,
  .page-lead {
    font-size: 16px;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-visual {
    min-height: 340px;
  }

  .system-card {
    padding: 26px;
  }

  .proof-strip-inner,
  .grid-2,
  .grid-4,
  .statement-grid,
  .case-meta,
  .footer-links {
    grid-template-columns: 1fr;
  }

  .management-board {
    grid-template-columns: 1fr 1fr;
  }

  .proof-strip-item,
  .proof-strip-item:last-child {
    padding: 22px 2px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    border-left: 0;
  }

  .section {
    padding: 78px 0;
  }

  .section-head {
    margin-bottom: 40px;
  }

  .section-head h2,
  .statement h2,
  .cta-panel h2 {
    font-size: clamp(34px, 11vw, 48px);
  }

  .card,
  .metric-card,
  .scenario-card {
    min-height: auto;
    padding: 26px;
  }

  .card-label,
  .card-number {
    margin-bottom: 30px;
  }

  .scenario-card h3 {
    margin-top: 56px;
  }

  .flow-item {
    grid-template-columns: 42px 1fr;
    gap: 16px;
  }

  .flow-item p {
    grid-column: 2;
  }

  .statement-grid div,
  .statement-grid div:last-child {
    padding: 24px 0;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    border-left: 0;
  }

  .link-list a,
  .link-row {
    grid-template-columns: 38px 1fr auto;
    gap: 12px;
  }

  .link-list h3,
  .link-row h3 {
    font-size: 19px;
  }

  .case-detail {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .case-meta {
    gap: 24px;
  }

  .cta-section {
    min-height: 540px;
  }

  .cta-section::after {
    right: -40px;
    bottom: -80px;
    font-size: 260px;
  }

  .cta-panel {
    padding: 84px 0;
  }

  .footer-main {
    gap: 46px;
  }

  .footer-guide-links {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}