:root {
  --ink: #111318;
  --ink-soft: #3f4652;
  --muted: #697281;
  --paper: #f5f6f8;
  --white: #ffffff;
  --blue: #3157f6;
  --blue-dark: #1733b5;
  --blue-light: #e8edff;
  --orange: #ff6a3d;
  --orange-light: #fff0e9;
  --line: #dfe3e9;
  --line-dark: rgba(255, 255, 255, .16);
  --shadow: 0 24px 70px rgba(20, 32, 70, .12);
  --radius: 22px;
  --ease: cubic-bezier(.16, 1, .3, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 130px; }
body { margin: 0; background: var(--white); color: var(--ink); font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
img { max-width: 100%; }
::selection { background: var(--blue); color: var(--white); }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }
.sr-only { width: 1px; height: 1px; padding: 0; margin: -1px; position: absolute; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: 12px; z-index: 200; padding: 11px 15px; background: var(--ink); color: var(--white); transform: translateY(-180%); transition: transform .2s ease; }
.skip-link:focus { transform: translateY(0); }
.shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.section { padding-top: 124px; padding-bottom: 124px; }

.site-notice { min-height: 34px; padding: 8px 24px; display: flex; align-items: center; justify-content: center; background: var(--ink); color: rgba(255,255,255,.72); text-align: center; font-size: 11px; letter-spacing: .1em; }
.site-header { height: 78px; position: sticky; top: 0; z-index: 100; border-bottom: 1px solid transparent; background: rgba(255,255,255,.93); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); transition: border-color .25s ease, box-shadow .25s ease; }
.site-header.is-scrolled { border-color: var(--line); box-shadow: 0 10px 28px rgba(18,27,50,.07); }
.header-inner { width: min(1280px, calc(100% - 48px)); height: 100%; margin-inline: auto; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; }
.brand { width: fit-content; display: inline-flex; align-items: center; gap: 13px; }
.brand-symbol { width: 38px; height: 38px; display: grid; place-items: center; flex: 0 0 auto; background: var(--ink); color: var(--white); box-shadow: 4px 4px 0 var(--blue); font: 900 20px/1 Arial, sans-serif; letter-spacing: -.08em; transform: rotate(-3deg); transition: transform .25s var(--ease); }
.brand:hover .brand-symbol { transform: rotate(0) translateY(-2px); }
.brand-copy { display: flex; flex-direction: column; gap: 3px; }
.brand-copy strong { font-size: 16px; letter-spacing: .09em; }
.brand-copy small { color: var(--muted); font: 700 7px/1 Arial, sans-serif; letter-spacing: .2em; }
.site-nav { display: flex; align-items: center; gap: clamp(28px, 3.5vw, 52px); }
.site-nav a { padding: 28px 0 25px; position: relative; color: var(--ink-soft); font-size: 14px; font-weight: 650; }
.site-nav a::after { content: ""; height: 3px; position: absolute; left: 0; right: 0; bottom: 0; background: var(--blue); transform: scaleX(0); transform-origin: right; transition: transform .25s ease; }
.site-nav a:hover, .site-nav a.is-current { color: var(--blue); }
.site-nav a:hover::after, .site-nav a.is-current::after { transform: scaleX(1); transform-origin: left; }
.header-cta { justify-self: end; padding: 12px 17px; border: 1px solid var(--ink); font-size: 12px; font-weight: 750; transition: background .2s ease, color .2s ease, transform .2s ease; }
.header-cta:hover { background: var(--ink); color: var(--white); transform: translateY(-2px); }
.header-cta span { margin-left: 12px; color: var(--blue); }
.nav-toggle { width: 42px; height: 42px; padding: 10px; display: none; border: 0; background: transparent; cursor: pointer; }
.nav-toggle > span:not(.sr-only) { height: 2px; margin: 5px 0; display: block; background: var(--ink); transition: transform .2s ease, opacity .2s ease; }

.home-hero { min-height: 730px; padding: 96px 0 84px; position: relative; overflow: hidden; background: linear-gradient(140deg, #f8f9fb 0%, #f8f9fb 62%, #eef1ff 100%); }
.home-hero::before { content: ""; width: 640px; aspect-ratio: 1; position: absolute; right: -260px; top: -310px; border: 1px solid rgba(49,87,246,.18); border-radius: 50%; box-shadow: 0 0 0 80px rgba(49,87,246,.025), 0 0 0 160px rgba(49,87,246,.018); }
.hero-layout { position: relative; display: grid; grid-template-columns: 1.03fr .97fr; gap: 8vw; align-items: center; }
.eyebrow { display: flex; align-items: center; gap: 10px; color: var(--ink-soft); font: 750 10px/1 Arial, sans-serif; letter-spacing: .19em; }
.eyebrow i { width: 28px; height: 2px; display: inline-block; background: var(--orange); }
.eyebrow-light { color: rgba(255,255,255,.63); }
.eyebrow-light i { background: #9fb0ff; }
.hero-copy h1 { margin: 28px 0; font-size: clamp(56px, 5.4vw, 96px); line-height: .98; letter-spacing: -.075em; font-weight: 850; }
.hero-copy h1 em { display: inline-block; color: var(--blue); font-style: normal; }
.hero-copy > p { max-width: 650px; margin: 0; color: var(--ink-soft); font-size: 17px; line-height: 1.9; }
.hero-actions { margin-top: 40px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.button { min-height: 54px; padding: 0 22px; display: inline-flex; align-items: center; justify-content: center; gap: 34px; border: 1px solid transparent; font-size: 13px; font-weight: 750; transition: transform .25s var(--ease), box-shadow .25s ease, background .25s ease, color .25s ease; }
.button:hover { transform: translateY(-3px); }
.button-primary { background: var(--ink); color: var(--white); }
.button-primary:hover { box-shadow: 7px 7px 0 var(--blue); }
.button-secondary { border-color: var(--line); background: var(--white); }
.button-secondary:hover { border-color: var(--blue); color: var(--blue); }
.button-light { background: var(--white); color: var(--ink); }
.button-light:hover { box-shadow: 7px 7px 0 rgba(0,0,0,.25); }
.button-outline-light { border-color: rgba(255,255,255,.35); color: var(--white); }
.button-outline-light:hover { border-color: var(--white); }
.hero-tags { margin: 38px 0 0; padding: 0; display: flex; gap: 8px; flex-wrap: wrap; list-style: none; }
.hero-tags li { padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.5); color: var(--muted); font-size: 10px; font-weight: 700; }
.hero-system { min-height: 510px; padding: 28px; position: relative; display: flex; flex-direction: column; overflow: hidden; background: var(--ink); color: var(--white); box-shadow: var(--shadow); }
.hero-system::before { content: ""; position: absolute; inset: 0; opacity: .17; background-image: linear-gradient(rgba(255,255,255,.2) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.2) 1px, transparent 1px); background-size: 58px 58px; }
.system-topline { position: relative; display: flex; justify-content: space-between; color: rgba(255,255,255,.48); font: 700 8px/1 Arial, sans-serif; letter-spacing: .18em; }
.system-orbit { width: 220px; aspect-ratio: 1; margin: 55px auto 35px; position: relative; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.28); border-radius: 50%; }
.system-orbit::before, .system-orbit::after { content: ""; position: absolute; border: 1px solid rgba(49,87,246,.8); border-radius: 50%; }
.system-orbit::before { width: 145%; height: 42%; transform: rotate(-22deg); }
.system-orbit::after { width: 42%; height: 145%; transform: rotate(35deg); border-color: rgba(255,106,61,.6); }
.system-orbit span { width: 84px; height: 84px; display: grid; place-items: center; position: relative; z-index: 1; background: var(--blue); color: var(--white); box-shadow: 0 0 45px rgba(49,87,246,.65); font-size: 38px; font-weight: 850; transform: rotate(-5deg); }
.system-list { position: relative; margin-top: auto; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,.2); }
.system-list div { padding: 18px 12px 0; border-right: 1px solid rgba(255,255,255,.15); }
.system-list div:first-child { padding-left: 0; }
.system-list div:last-child { border-right: 0; }
.system-list b, .system-list span, .system-list small { display: block; }
.system-list b { color: #93a7ff; font: 750 9px/1 Arial, sans-serif; }
.system-list span { margin: 9px 0 7px; font-size: 14px; font-weight: 700; }
.system-list small { color: rgba(255,255,255,.4); font: 700 7px/1 Arial, sans-serif; letter-spacing: .14em; }

.identity-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); }
.identity-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; }
.identity-grid > div { min-height: 118px; padding: 28px 32px; display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--line); }
.identity-grid > div:first-child { padding-left: 0; }
.identity-grid > div:last-child { border-right: 0; }
.identity-grid span { color: var(--muted); font-size: 10px; letter-spacing: .1em; }
.identity-grid strong { font-size: 15px; line-height: 1.5; }

.section-heading { margin-bottom: 62px; display: grid; grid-template-columns: 1.35fr .65fr; gap: 8vw; align-items: end; }
.section-heading h2 { margin: 23px 0 0; font-size: clamp(42px, 5vw, 74px); line-height: 1.06; letter-spacing: -.065em; }
.section-heading > p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.9; }
.compact-heading { margin-bottom: 44px; }
.compact-heading h2 { font-size: clamp(38px, 4vw, 60px); }
.service-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.service-card { min-height: 490px; padding: 28px; position: relative; display: flex; flex-direction: column; overflow: hidden; transition: transform .35s var(--ease), box-shadow .35s ease; }
.service-card::after { content: ""; width: 230px; aspect-ratio: 1; position: absolute; right: -130px; top: -130px; border: 1px solid currentColor; border-radius: 50%; opacity: .22; }
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.service-blue { background: var(--blue); color: var(--white); }
.service-dark { background: var(--ink); color: var(--white); }
.service-orange { background: var(--orange); color: var(--ink); }
.card-number { color: currentColor; opacity: .6; font: 750 9px/1 Arial, sans-serif; letter-spacing: .14em; }
.card-symbol { width: 118px; height: 118px; margin: auto; display: grid; place-items: center; border: 1px solid currentColor; border-radius: 50%; font-size: 48px; font-weight: 850; transition: transform .45s var(--ease); }
.service-card:hover .card-symbol { transform: rotate(8deg) scale(1.06); }
.service-card h3 { margin: 0 0 14px; font-size: 29px; letter-spacing: -.04em; }
.service-card p { margin: 0 0 26px; opacity: .7; font-size: 13px; line-height: 1.75; }
.service-card a { padding-top: 18px; display: flex; justify-content: space-between; border-top: 1px solid currentColor; font-size: 12px; font-weight: 750; }
.service-card a span { font-size: 18px; }

.workflow-section { padding: 120px 0; position: relative; overflow: hidden; background: var(--ink); color: var(--white); }
.workflow-section::before { content: "04"; position: absolute; right: -3vw; bottom: -7vw; color: rgba(255,255,255,.035); font: 900 33vw/.8 Arial, sans-serif; letter-spacing: -.1em; }
.workflow-layout { position: relative; display: grid; grid-template-columns: .9fr 1.1fr; gap: 10vw; }
.workflow-intro h2 { margin: 28px 0; font-size: clamp(43px, 4.8vw, 72px); line-height: 1.05; letter-spacing: -.06em; }
.workflow-intro p { margin: 0; max-width: 530px; color: rgba(255,255,255,.56); font-size: 14px; line-height: 1.9; }
.text-link-light { margin-top: 34px; display: inline-block; padding-bottom: 6px; border-bottom: 1px solid rgba(255,255,255,.4); color: var(--white); font-size: 12px; font-weight: 700; }
.workflow-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.18); }
.workflow-list li { min-height: 125px; padding: 25px 0; display: grid; grid-template-columns: 70px 1fr; border-bottom: 1px solid rgba(255,255,255,.18); }
.workflow-list li > span { color: #90a4ff; font: 750 10px/1 Arial, sans-serif; }
.workflow-list h3 { margin: 0 0 9px; font-size: 20px; }
.workflow-list p { margin: 0; color: rgba(255,255,255,.48); font-size: 13px; line-height: 1.65; }

.page-link-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.page-link-grid > a { min-height: 270px; padding: 30px; display: flex; flex-direction: column; border: 1px solid var(--line); background: var(--paper); transition: border-color .25s ease, transform .3s var(--ease), background .25s ease; }
.page-link-grid > a:hover { border-color: var(--blue); background: var(--white); transform: translateY(-6px); }
.page-link-grid span { color: var(--blue); font: 750 9px/1 Arial, sans-serif; letter-spacing: .14em; }
.page-link-grid h3 { margin: 42px 0 15px; font-size: 28px; letter-spacing: -.04em; }
.page-link-grid p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.page-link-grid b { margin-top: auto; font-size: 11px; }
.home-cta { padding: 100px 0; overflow: hidden; background: var(--blue); color: var(--white); }
.home-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 60px; }
.home-cta-inner > div > span, .project-cta-inner > div > span { color: rgba(255,255,255,.55); font: 750 9px/1 Arial, sans-serif; letter-spacing: .18em; }
.home-cta h2 { margin: 22px 0 0; font-size: clamp(46px, 6vw, 86px); line-height: .96; letter-spacing: -.07em; }
.round-link { width: 145px; height: 145px; flex: 0 0 auto; display: flex; flex-direction: column; justify-content: center; align-items: center; border: 1px solid rgba(255,255,255,.5); border-radius: 50%; transition: background .25s ease, color .25s ease, transform .25s ease; }
.round-link:hover { background: var(--orange); color: var(--ink); transform: rotate(-5deg) scale(1.04); }
.round-link span { font-size: 13px; font-weight: 750; }
.round-link b { margin-top: 10px; font-size: 22px; }

.page-hero { min-height: 490px; padding: 92px 0 78px; display: flex; align-items: center; overflow: hidden; position: relative; color: var(--white); }
.page-hero::before { content: ""; width: 650px; height: 650px; position: absolute; right: -160px; top: -290px; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; box-shadow: 0 0 0 80px rgba(255,255,255,.025), 0 0 0 160px rgba(255,255,255,.02); }
.page-hero-blue { background: var(--blue); }
.page-hero-dark { background: var(--ink); }
.page-hero-orange { background: var(--orange); color: var(--ink); }
.page-hero-layout { position: relative; display: grid; grid-template-columns: 1.2fr .8fr; gap: 10vw; align-items: end; }
.page-hero h1 { margin: 25px 0 0; font-size: clamp(52px, 6.4vw, 92px); line-height: .98; letter-spacing: -.07em; }
.breadcrumb { margin: 0 0 44px; display: flex; gap: 10px; color: rgba(255,255,255,.58); font-size: 10px; font-weight: 700; letter-spacing: .11em; }
.page-hero-orange .breadcrumb { color: rgba(17,19,24,.58); }
.breadcrumb a:hover { color: currentColor; text-decoration: underline; }
.page-hero-summary { padding-bottom: 6px; }
.page-hero-summary > p { margin: 0; max-width: 480px; color: rgba(255,255,255,.67); font-size: 16px; line-height: 1.9; }
.page-hero-summary-dark > p { color: rgba(17,19,24,.7); }
.hero-page-index { margin-top: 48px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.25); font: 800 30px/1 Arial, sans-serif; }
.page-hero-orange .hero-page-index { border-color: rgba(17,19,24,.25); }
.hero-page-index span { opacity: .35; font-size: 12px; }
.anchor-nav { position: sticky; top: 78px; z-index: 50; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.94); backdrop-filter: blur(12px); }
.anchor-nav .shell { min-height: 68px; display: flex; align-items: center; gap: 32px; overflow-x: auto; white-space: nowrap; }
.anchor-nav span { color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: .1em; }
.anchor-nav a { padding: 24px 0; font-size: 12px; font-weight: 700; }
.anchor-nav a:hover { color: var(--blue); }

.service-detail-heading { margin-bottom: 60px; display: grid; grid-template-columns: 110px 1fr; }
.service-detail-number { color: var(--blue); font: 850 54px/1 Arial, sans-serif; letter-spacing: -.06em; }
.service-detail-heading h2 { margin: 20px 0; font-size: clamp(43px, 5vw, 72px); letter-spacing: -.065em; }
.service-detail-heading p { max-width: 720px; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.9; }
.service-detail-body { display: grid; grid-template-columns: .9fr 1.1fr; gap: 6vw; align-items: center; }
.detail-visual { min-height: 470px; padding: 35px; position: relative; display: grid; place-items: center; overflow: hidden; color: var(--white); }
.detail-visual::before { content: ""; position: absolute; inset: 25px; border: 1px solid rgba(255,255,255,.45); }
.detail-visual > span { position: absolute; left: 42px; bottom: 42px; font: 850 clamp(42px,5vw,72px)/1 Arial, sans-serif; letter-spacing: -.07em; }
.detail-visual > b { position: relative; font: 850 clamp(90px,12vw,170px)/1 Arial, sans-serif; letter-spacing: -.1em; }
.detail-visual > i { position: absolute; right: 42px; top: 42px; font: normal 750 8px/1 Arial, sans-serif; letter-spacing: .16em; }
.visual-drama { background: linear-gradient(135deg, #10121a, #3157f6 48%, #ff6a3d); }
.visual-film { background: radial-gradient(circle at 50% 48%, #ff8b65 0 4%, #3157f6 15%, #121629 48%, #08090d 70%); }
.visual-ad { background: linear-gradient(135deg, #ff6a3d, #ff8c68 48%, #3157f6 49%, #1e37a7); }
.service-detail-reverse .detail-visual { order: 2; }
.detail-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.detail-columns h3 { margin: 0 0 22px; padding-bottom: 15px; border-bottom: 1px solid var(--line); font-size: 17px; }
.detail-columns p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.85; }
.check-list { margin: 0; padding: 0; list-style: none; }
.check-list li { padding: 10px 0 10px 24px; position: relative; color: var(--ink-soft); font-size: 13px; line-height: 1.55; }
.check-list li::before { content: ""; width: 7px; height: 7px; position: absolute; left: 0; top: 16px; border: 2px solid var(--blue); border-radius: 50%; }
.deliverable-label { margin-top: 28px; padding: 13px 15px; display: block; background: var(--blue-light); color: var(--blue-dark); font-size: 11px; font-weight: 700; line-height: 1.6; }
.service-detail-alt { background: var(--paper); }
.deliverables-section { background: var(--ink); color: var(--white); }
.deliverables-section .section-heading > p { color: rgba(255,255,255,.5); }
.deliverable-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line-dark); }
.deliverable-grid article { min-height: 250px; padding: 28px; border-right: 1px solid var(--line-dark); }
.deliverable-grid article:last-child { border-right: 0; }
.deliverable-grid span { color: #91a6ff; font: 750 10px/1 Arial, sans-serif; }
.deliverable-grid h3 { margin: 75px 0 14px; font-size: 23px; }
.deliverable-grid p { margin: 0; color: rgba(255,255,255,.48); font-size: 12px; line-height: 1.75; }
.project-cta { padding: 78px 0; background: var(--blue); color: var(--white); }
.project-cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 50px; }
.project-cta h2 { margin: 18px 0 10px; font-size: clamp(32px, 4vw, 54px); letter-spacing: -.05em; }
.project-cta p { margin: 0; color: rgba(255,255,255,.6); font-size: 13px; }
.cta-pair { display: flex; gap: 10px; flex-wrap: wrap; }

.company-intro { display: grid; grid-template-columns: .35fr .65fr; gap: 8vw; }
.company-intro-label { display: flex; flex-direction: column; justify-content: space-between; }
.company-intro-label small { color: var(--blue); font: 750 9px/1 Arial, sans-serif; letter-spacing: .16em; }
.company-intro-content h2 { margin: 0 0 38px; font-size: clamp(45px, 5.3vw, 78px); line-height: 1.08; letter-spacing: -.06em; }
.company-lead { margin: 0; max-width: 820px; font-size: clamp(22px, 2.3vw, 32px); line-height: 1.55; letter-spacing: -.03em; }
.company-copy { margin-top: 54px; display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.company-copy p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.9; }
.company-facts-section { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--paper); }
.company-facts-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.company-facts-grid article { min-height: 145px; padding: 30px 25px; display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--line); }
.company-facts-grid article:first-child { padding-left: 0; }
.company-facts-grid article:last-child { border-right: 0; }
.company-facts-grid span { color: var(--muted); font-size: 10px; letter-spacing: .1em; }
.company-facts-grid strong { font-size: 14px; line-height: 1.55; }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.capability-grid article { min-height: 390px; padding: 30px; display: flex; flex-direction: column; border: 1px solid var(--line); background: var(--paper); }
.capability-grid article > span { color: var(--blue); font: 750 10px/1 Arial, sans-serif; }
.capability-icon { width: 95px; height: 95px; margin: 54px 0 auto; display: grid; place-items: center; border: 1px solid var(--ink); border-radius: 50%; font-size: 34px; font-weight: 850; }
.capability-grid h3 { margin: 30px 0 12px; font-size: 25px; }
.capability-grid p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.principles-section { padding: 120px 0; background: var(--ink); color: var(--white); }
.principles-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 9vw; align-items: center; }
.principles-copy h2 { margin: 28px 0; font-size: clamp(43px, 5vw, 72px); line-height: 1.05; letter-spacing: -.06em; }
.principles-copy p { margin: 0; max-width: 450px; color: rgba(255,255,255,.5); font-size: 14px; line-height: 1.9; }
.principle-grid { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line-dark); }
.principle-grid article { min-height: 230px; padding: 28px; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.principle-grid article:nth-child(2n) { border-right: 0; }
.principle-grid article:nth-child(n+3) { border-bottom: 0; }
.principle-grid span { color: #91a6ff; font: 750 9px/1 Arial, sans-serif; }
.principle-grid h3 { margin: 55px 0 12px; font-size: 23px; }
.principle-grid p { margin: 0; color: rgba(255,255,255,.48); font-size: 12px; line-height: 1.7; }
.horizontal-steps { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); list-style: none; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.horizontal-steps li { min-height: 220px; padding: 28px; border-right: 1px solid var(--line); }
.horizontal-steps li:first-child { padding-left: 0; }
.horizontal-steps li:last-child { border-right: 0; }
.horizontal-steps span { color: var(--blue); font: 750 10px/1 Arial, sans-serif; }
.horizontal-steps h3 { margin: 75px 0 12px; font-size: 21px; }
.horizontal-steps p { margin: 0; color: var(--muted); font-size: 12px; }

.contact-overview { display: grid; grid-template-columns: .72fr 1.28fr; gap: 7vw; }
.contact-title-block h2 { margin: 26px 0; font-size: clamp(43px, 5vw, 70px); line-height: 1.06; letter-spacing: -.06em; }
.contact-title-block p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.9; }
.brief-grid { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); }
.brief-grid article { min-height: 230px; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.brief-grid article:nth-child(2n) { border-right: 0; }
.brief-grid article:nth-child(n+3) { border-bottom: 0; }
.brief-grid span { color: var(--blue); font: 750 10px/1 Arial, sans-serif; }
.brief-grid h3 { margin: 54px 0 12px; font-size: 22px; }
.brief-grid p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.75; }
.cooperation-process { background: var(--ink); color: var(--white); }
.cooperation-process .section-heading > p { color: rgba(255,255,255,.5); }
.process-timeline { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-dark); }
.process-timeline li { min-height: 138px; padding: 28px 0; display: grid; grid-template-columns: .35fr .65fr; align-items: center; border-bottom: 1px solid var(--line-dark); }
.process-timeline li > span { color: #91a6ff; font: 750 10px/1 Arial, sans-serif; letter-spacing: .12em; }
.process-timeline h3 { margin: 0 0 10px; font-size: 23px; }
.process-timeline p { margin: 0; color: rgba(255,255,255,.48); font-size: 13px; }
.verification-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 6vw; align-items: start; }
.verification-main h2 { margin: 27px 0 22px; font-size: clamp(42px, 4.8vw, 68px); line-height: 1.07; letter-spacing: -.06em; }
.verification-main > p { max-width: 710px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.9; }
.verification-list { margin: 50px 0 0; border-top: 1px solid var(--line); }
.verification-list > div { padding: 20px 0; display: grid; grid-template-columns: 140px 1fr; border-bottom: 1px solid var(--line); }
.verification-list dt { color: var(--muted); font-size: 11px; }
.verification-list dd { margin: 0; font-size: 13px; font-weight: 700; }
.verification-list a { color: var(--blue); text-decoration: underline; }
.payment-note { padding: 40px; background: var(--blue); color: var(--white); box-shadow: var(--shadow); }
.payment-note > span { color: #c1cbff; font: 750 9px/1 Arial, sans-serif; letter-spacing: .16em; }
.payment-note h2 { margin: 25px 0 18px; font-size: 31px; }
.payment-note p { margin: 0; color: rgba(255,255,255,.7); font-size: 13px; line-height: 1.85; }
.payment-note ul { margin: 32px 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.22); }
.payment-note li { padding: 14px 0 14px 22px; position: relative; border-bottom: 1px solid rgba(255,255,255,.22); font-size: 12px; }
.payment-note li::before { content: ""; width: 6px; height: 6px; position: absolute; left: 0; top: 19px; border: 1px solid #c1cbff; border-radius: 50%; }
.payment-note small { color: rgba(255,255,255,.55); font-size: 10px; line-height: 1.65; }
.faq-section { display: grid; grid-template-columns: .55fr 1.45fr; gap: 8vw; }
.faq-section > div > h2 { margin: 25px 0 0; font-size: clamp(42px, 5vw, 65px); letter-spacing: -.06em; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 25px 0; display: flex; justify-content: space-between; align-items: center; gap: 20px; cursor: pointer; list-style: none; font-size: 15px; font-weight: 750; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--blue); font-size: 22px; transition: transform .2s ease; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { margin: -2px 0 26px; max-width: 700px; color: var(--muted); font-size: 13px; line-height: 1.85; }

.legal-hero { padding: 90px 0 70px; border-bottom: 1px solid var(--line); background: var(--paper); }
.legal-hero .breadcrumb { color: var(--muted); }
.legal-hero h1 { margin: 25px 0 12px; font-size: clamp(52px, 6vw, 84px); letter-spacing: -.07em; }
.legal-hero > .shell > p:last-child { margin: 0; color: var(--muted); font-size: 12px; }
.legal-content { padding-top: 90px; padding-bottom: 120px; display: grid; grid-template-columns: .33fr .67fr; gap: 8vw; align-items: start; }
.legal-summary { padding: 28px; position: sticky; top: 110px; border: 1px solid var(--line); background: var(--paper); }
.legal-summary strong { display: block; margin-bottom: 15px; font-size: 14px; }
.legal-summary p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
.legal-content article section { padding: 0 0 35px; margin-bottom: 35px; border-bottom: 1px solid var(--line); }
.legal-content h2 { margin: 0 0 16px; font-size: 21px; }
.legal-content article p { margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 2; }
.legal-links { display: flex; flex-wrap: wrap; gap: 10px; }
.legal-links a { padding: 12px 16px; border: 1px solid var(--line); font-size: 12px; font-weight: 700; }
.legal-links a:hover { border-color: var(--blue); color: var(--blue); }

.site-footer { padding-top: 70px; background: #0a0b0e; color: var(--white); }
.footer-grid { padding-bottom: 55px; display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 6vw; }
.brand-inverse .brand-symbol { background: var(--white); color: var(--ink); }
.brand-inverse .brand-copy small { color: rgba(255,255,255,.38); }
.footer-company p { max-width: 280px; margin: 28px 0 0; color: rgba(255,255,255,.42); font-size: 12px; line-height: 1.75; }
.footer-column { display: flex; flex-direction: column; gap: 13px; }
.footer-column h2 { margin: 0 0 10px; color: rgba(255,255,255,.38); font-size: 9px; letter-spacing: .15em; text-transform: uppercase; }
.footer-column a, .footer-column span { color: rgba(255,255,255,.65); font-size: 11px; line-height: 1.65; }
.footer-column a:hover { color: var(--white); }
.footer-bottom { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 25px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.35); font-size: 10px; }
.footer-bottom a:hover { color: var(--white); }

.error-page { min-height: 100vh; display: grid; place-items: center; padding: 30px; background: var(--paper); }
.error-page main { max-width: 720px; text-align: center; }
.error-page main > .brand-symbol { margin: 0 auto 40px; }
.error-page main > p:first-of-type { color: var(--blue); font: 750 10px/1 Arial, sans-serif; letter-spacing: .16em; }
.error-page h1 { margin: 25px 0 15px; font-size: clamp(50px, 8vw, 90px); letter-spacing: -.07em; }
.error-page h1 + p { color: var(--muted); font-size: 14px; line-height: 1.8; }
.error-page nav { margin-top: 35px; display: flex; align-items: center; justify-content: center; gap: 22px; flex-wrap: wrap; }
.error-page nav > a:not(.button) { font-size: 12px; font-weight: 700; }

@media (max-width: 1020px) {
  .hero-layout, .page-hero-layout { grid-template-columns: 1fr; gap: 65px; }
  .home-hero { padding-top: 80px; }
  .hero-system { width: min(100%, 700px); }
  .section-heading { grid-template-columns: 1fr; gap: 25px; }
  .section-heading > p { max-width: 620px; }
  .service-card-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 380px; }
  .card-symbol { margin-right: 8%; }
  .workflow-layout, .principles-layout { grid-template-columns: 1fr; gap: 65px; }
  .page-hero { min-height: 570px; }
  .page-hero-summary { max-width: 650px; }
  .service-detail-body { grid-template-columns: 1fr; }
  .detail-visual { width: min(100%, 700px); }
  .service-detail-reverse .detail-visual { order: initial; }
  .deliverable-grid { grid-template-columns: 1fr 1fr; }
  .deliverable-grid article:nth-child(2) { border-right: 0; }
  .deliverable-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--line-dark); }
  .company-intro { grid-template-columns: 1fr; gap: 50px; }
  .company-intro-label { flex-direction: row; }
  .company-facts-grid { grid-template-columns: 1fr 1fr; }
  .company-facts-grid article:nth-child(2) { border-right: 0; }
  .company-facts-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .contact-overview, .verification-layout, .faq-section { grid-template-columns: 1fr; gap: 65px; }
  .payment-note { max-width: 650px; }
  .legal-content { grid-template-columns: 1fr; gap: 50px; }
  .legal-summary { position: static; }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-column:last-child { grid-column: 2 / -1; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 90px; }
  .shell { width: min(100% - 36px, 1180px); }
  .section { padding-top: 82px; padding-bottom: 82px; }
  .site-notice { min-height: 30px; padding: 7px 15px; font-size: 9px; letter-spacing: .06em; }
  .site-header { height: 66px; }
  .header-inner { width: calc(100% - 36px); grid-template-columns: 1fr auto; }
  .brand-symbol { width: 34px; height: 34px; font-size: 18px; }
  .brand-copy strong { font-size: 14px; }
  .nav-toggle { display: block; justify-self: end; }
  .nav-toggle[aria-expanded="true"] > span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] > span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] > span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .site-nav { height: calc(100vh - 96px); padding: 38px 18px; position: fixed; left: 0; right: 0; top: 96px; z-index: 99; display: flex; flex-direction: column; align-items: stretch; gap: 0; background: var(--white); opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .24s ease, visibility .24s; }
  .site-nav.is-open { opacity: 1; visibility: visible; pointer-events: auto; }
  .site-nav a { padding: 20px 0; border-bottom: 1px solid var(--line); font-size: 22px; }
  .site-nav a::after { display: none; }
  .header-cta { display: none; }
  body.nav-open { overflow: hidden; }
  .home-hero { min-height: 0; padding: 68px 0 62px; }
  .home-hero::before { width: 420px; right: -260px; top: -260px; }
  .hero-layout { gap: 52px; }
  .hero-copy h1 { margin: 22px 0; font-size: clamp(50px, 15vw, 72px); }
  .hero-copy > p { font-size: 14px; line-height: 1.85; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .hero-system { min-height: 440px; padding: 22px; }
  .system-orbit { width: 180px; margin-top: 48px; }
  .system-list span { font-size: 11px; }
  .identity-grid { grid-template-columns: 1fr; }
  .identity-grid > div { min-height: 100px; padding: 22px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .identity-grid > div:last-child { border-bottom: 0; }
  .section-heading { margin-bottom: 42px; }
  .section-heading h2, .compact-heading h2 { font-size: 42px; }
  .service-card { min-height: 420px; padding: 23px; }
  .card-symbol { width: 100px; height: 100px; margin: auto; }
  .workflow-section, .principles-section { padding: 82px 0; }
  .workflow-intro h2, .principles-copy h2 { font-size: 42px; }
  .workflow-list li { grid-template-columns: 50px 1fr; }
  .page-link-grid { grid-template-columns: 1fr; }
  .page-link-grid > a { min-height: 240px; }
  .home-cta { padding: 75px 0; }
  .home-cta-inner { align-items: flex-start; flex-direction: column; }
  .home-cta h2 { font-size: 48px; }
  .round-link { width: 120px; height: 120px; }
  .page-hero { min-height: 540px; padding: 68px 0 62px; }
  .page-hero h1 { font-size: clamp(48px, 14vw, 66px); }
  .page-hero-layout { gap: 52px; }
  .page-hero-summary > p { font-size: 14px; }
  .breadcrumb { margin-bottom: 34px; }
  .anchor-nav { top: 66px; }
  .anchor-nav .shell { gap: 24px; }
  .service-detail-heading { grid-template-columns: 1fr; gap: 24px; }
  .service-detail-number { font-size: 38px; }
  .service-detail-heading h2 { font-size: 43px; }
  .detail-visual { min-height: 360px; padding: 24px; }
  .detail-visual::before { inset: 18px; }
  .detail-visual > span { left: 30px; bottom: 30px; }
  .detail-visual > i { right: 30px; top: 30px; }
  .detail-columns { grid-template-columns: 1fr; gap: 45px; }
  .deliverable-grid { grid-template-columns: 1fr; }
  .deliverable-grid article { min-height: 210px; border-right: 0; border-bottom: 1px solid var(--line-dark); }
  .deliverable-grid article:nth-child(3) { border-bottom: 1px solid var(--line-dark); }
  .deliverable-grid article:last-child { border-bottom: 0; }
  .project-cta { padding: 70px 0; }
  .project-cta-inner { align-items: flex-start; flex-direction: column; }
  .project-cta h2 { font-size: 38px; }
  .cta-pair { width: 100%; flex-direction: column; }
  .company-intro-content h2 { font-size: 43px; }
  .company-lead { font-size: 22px; }
  .company-copy { grid-template-columns: 1fr; gap: 25px; }
  .company-facts-grid { grid-template-columns: 1fr; }
  .company-facts-grid article { min-height: 118px; padding: 24px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .company-facts-grid article:last-child { border-bottom: 0; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-grid article { min-height: 340px; }
  .principle-grid, .brief-grid { grid-template-columns: 1fr; }
  .principle-grid article, .brief-grid article { min-height: 205px; border-right: 0; border-bottom: 1px solid var(--line-dark); }
  .brief-grid article { border-color: var(--line); }
  .principle-grid article:nth-child(3), .brief-grid article:nth-child(3) { border-bottom: 1px solid var(--line-dark); }
  .brief-grid article:nth-child(3) { border-color: var(--line); }
  .principle-grid article:last-child, .brief-grid article:last-child { border-bottom: 0; }
  .horizontal-steps { grid-template-columns: 1fr; }
  .horizontal-steps li { min-height: 165px; padding: 25px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .horizontal-steps li:last-child { border-bottom: 0; }
  .horizontal-steps h3 { margin-top: 45px; }
  .contact-title-block h2, .verification-main h2, .faq-section > div > h2 { font-size: 42px; }
  .process-timeline li { grid-template-columns: 1fr; gap: 22px; }
  .verification-list > div { grid-template-columns: 1fr; gap: 8px; }
  .payment-note { padding: 30px 24px; }
  .legal-hero { padding: 70px 0 55px; }
  .legal-content { padding-top: 65px; padding-bottom: 80px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 45px 25px; }
  .footer-company { grid-column: 1 / -1; }
  .footer-column:last-child { grid-column: 1 / -1; }
  .footer-bottom { padding: 25px 0; align-items: flex-start; flex-direction: column; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}