:root {
  --ink: #101114;
  --paper: #f6f7f9;
  --white: #ffffff;
  --blue: #4e6cff;
  --line: rgba(16, 17, 20, .16);
  --muted: #666b75;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", "Noto Sans JP", Arial, sans-serif; line-height: 1.8; }
main, .site-footer { position: relative; z-index: 1; }
img { max-width: 100%; display: block; }
a { color: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: -100px; left: 1rem; z-index: 100; background: #fff; padding: .75rem 1rem; }
.skip-link:focus { top: 1rem; }
.ambient-bg { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; background: var(--paper); }
.ambient-grid { position: absolute; inset: -18%; opacity: .3; background-image: linear-gradient(rgba(78,108,255,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(78,108,255,.12) 1px, transparent 1px); background-size: 82px 82px; transform: translate3d(0, var(--scroll-grid, 0px), 0) rotate(-4deg); }
.ambient-glow { position: absolute; display: block; border-radius: 50%; filter: blur(10px); opacity: .24; will-change: transform; }
.ambient-glow-a { width: 520px; height: 520px; top: 20%; right: -260px; background: radial-gradient(circle, #7b8eff 0, rgba(78,108,255,0) 68%); transform: translate3d(0, var(--scroll-glow-a, 0px), 0); }
.ambient-glow-b { width: 420px; height: 420px; top: 68%; left: -210px; background: radial-gradient(circle, #aeb9ff 0, rgba(78,108,255,0) 70%); transform: translate3d(0, var(--scroll-glow-b, 0px), 0); }
.reveal { opacity: 0; transform: translateY(44px); transition: opacity .85s ease, transform .85s cubic-bezier(.2,.7,.2,1); }
.reveal.in-view { opacity: 1; transform: none; }
.reveal-child { opacity: 0; transform: translateY(30px); transition: opacity .75s ease, transform .75s ease; }
.in-view .reveal-child { opacity: 1; transform: none; }
.in-view .reveal-child:nth-child(2) { transition-delay: .12s; }
.in-view .reveal-child:nth-child(3) { transition-delay: .24s; }

.site-header { position: absolute; inset: 0 0 auto; z-index: 20; color: #fff; }
.header-inner { max-width: var(--max); height: 98px; padding: 0 30px; margin: auto; display: flex; align-items: center; justify-content: space-between; }
.brand img { width: 154px; height: auto; }
.site-nav { display: flex; align-items: center; gap: 32px; font-size: 14px; font-weight: 600; }
.site-nav a { text-decoration: none; }
.nav-contact { padding: 10px 18px; border: 1px solid rgba(255,255,255,.5); border-radius: 999px; }
.menu-button { display: none; }

.hero { min-height: 760px; position: relative; display: grid; place-items: center; overflow: hidden; color: #fff; background: #101114; }
.hero-grid { position: absolute; inset: -10%; opacity: .18; background-image: linear-gradient(rgba(255,255,255,.15) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.15) 1px, transparent 1px); background-size: 90px 90px; mask-image: linear-gradient(to bottom, #000, transparent 95%); transform: translate3d(0, var(--scroll-hero-grid, 0px), 0); will-change: transform; }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(2px); opacity: .9; }
.hero-orb-one { width: 440px; height: 440px; right: -120px; top: 80px; background: radial-gradient(circle at 35% 30%, #8495ff, #4e6cff 55%, #26388f); transform: translate3d(0, var(--scroll-orb-a, 0px), 0) rotate(var(--scroll-rotate, 0deg)); will-change: transform; }
.hero-orb-two { width: 180px; height: 180px; right: 24%; bottom: -90px; background: #3b3f48; transform: translate3d(0, var(--scroll-orb-b, 0px), 0); will-change: transform; }
.hero-inner { width: min(var(--max), calc(100% - 60px)); position: relative; z-index: 2; padding-top: 50px; }
.eyebrow { margin: 0 0 22px; font-size: 12px; letter-spacing: .24em; font-weight: 700; }
.hero h1 { max-width: 1080px; margin: 0; font-size: clamp(30px, 7vw, 94px); line-height: 1.14; letter-spacing: -.045em; }
.hero h1 span { display: block; white-space: nowrap; }
.hero h1 span:last-child { color: #a8b4ff; }
.hero-copy { max-width: 560px; margin: 34px 0 40px; color: rgba(255,255,255,.72); font-size: 17px; }
.button { display: inline-flex; align-items: center; gap: 42px; padding: 16px 22px; border-radius: 2px; text-decoration: none; font-size: 14px; font-weight: 700; transition: transform .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--blue); color: #fff; }
.hero-index { position: absolute; right: 40px; bottom: 32px; z-index: 2; width: 160px; display: flex; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.3); padding-top: 8px; font-size: 12px; }

.section { max-width: var(--max); margin: auto; padding: 130px 30px; }
.section-label { display: flex; gap: 24px; align-items: center; font-size: 17px; line-height: 1.2; letter-spacing: .14em; font-weight: 700; }
.section-label span { color: var(--blue); font-size: 22px; letter-spacing: 0; }
.section-label.light { color: #fff; }
.intro-body { display: grid; grid-template-columns: 1.05fr 1fr; gap: 100px; margin-top: 70px; }
.lead { margin: 0; font-size: clamp(24px, 3.2vw, 40px); line-height: 1.6; font-weight: 700; letter-spacing: -.02em; }
.intro-copy h2 { margin: 0 0 32px; font-size: 27px; line-height: 1.6; }
.intro-copy p { color: var(--muted); margin: 0 0 1.2rem; }

.strengths { max-width: none; padding-left: max(30px, calc((100% - var(--max))/2 + 30px)); padding-right: max(30px, calc((100% - var(--max))/2 + 30px)); background: rgba(255,255,255,.78); backdrop-filter: blur(12px); }
.dark-heading { max-width: var(--max); margin: auto 0 62px; }
.dark-heading h2 { font-size: clamp(40px, 5.5vw, 70px); line-height: 1.25; }
.strength-grid { max-width: var(--max); margin: auto; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.strength-card { min-height: 350px; padding: 30px 34px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(246,247,249,.62); }
.strength-image { width: calc(100% + 68px); height: 190px; margin: -30px -34px 24px; object-fit: cover; filter: saturate(.88) contrast(1.03); }
.strength-card > span { color: var(--blue); font-size: 13px; font-weight: 700; }
.strength-card h3 { margin: 30px 0 20px; font-size: 27px; line-height: 1.45; }
.strength-card p { color: var(--muted); }

.business { max-width: none; padding-left: max(30px, calc((100% - var(--max))/2 + 30px)); padding-right: max(30px, calc((100% - var(--max))/2 + 30px)); color: #fff; background: #15171b; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; max-width: var(--max); margin: auto auto 54px; }
.section-heading h2 { margin: 0; font-size: clamp(42px, 6vw, 74px); line-height: 1; }
.service-list { max-width: var(--max); margin: auto; border-top: 1px solid rgba(255,255,255,.18); }
.service-card { display: grid; grid-template-columns: 80px 1fr 48px; gap: 28px; align-items: start; padding: 38px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.service-number { color: #8495ff; font-size: 13px; }
.service-card h3 { margin: 0 0 8px; font-size: 26px; }
.service-title { display: flex; align-items: center; gap: 18px; margin-bottom: 16px; }
.service-title h3 { margin: 0; }
.service-icon { width: 48px; height: 48px; flex: 0 0 48px; display: grid; place-items: center; border: 1px solid rgba(132,149,255,.42); color: #8495ff; }
.service-icon svg { width: 30px; height: 30px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.service-card p { max-width: 680px; margin: 0; color: rgba(255,255,255,.62); }
.service-card ul { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 0; padding: 0; list-style: none; }
.service-card li { padding: 5px 10px; border: 1px solid rgba(255,255,255,.18); color: rgba(255,255,255,.7); font-size: 12px; }
.service-mark { font-size: 25px; color: #8495ff; }

.approach { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; background: transparent; }
.approach-copy { position: sticky; top: 90px; align-self: start; }
.approach-copy h2 { margin: 58px 0 28px; font-size: clamp(30px, 4vw, 58px); line-height: 1.3; letter-spacing: -.045em; }
.approach-copy h2 span { display: block; white-space: nowrap; }
.approach-copy > p { max-width: 440px; color: var(--muted); }
.approach-steps { margin: 0; padding: 0; list-style: none; counter-reset: item; }
.approach-steps li { display: grid; grid-template-columns: 90px 1fr; gap: 30px; min-height: 210px; padding: 36px 0; border-top: 1px solid var(--line); }
.approach-steps li:last-child { border-bottom: 1px solid var(--line); }
.approach-steps span { color: var(--blue); font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.approach-steps h3 { margin: 0 0 12px; font-size: 25px; }
.approach-steps p { margin: 0; color: var(--muted); }

.mission { min-height: 500px; padding-top: 82px; padding-bottom: 82px; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 40px; }
.mission-kicker { margin: 42px 0 10px; color: var(--blue); font-size: 13px; font-weight: 700; letter-spacing: .2em; }
.mission h2 { margin: 0 0 22px; font-size: clamp(32px, 6vw, 76px); line-height: 1.18; letter-spacing: -.05em; }
.mission h2 span { display: block; white-space: nowrap; }
.mission-panel > p:last-child { max-width: 520px; color: var(--muted); font-size: 18px; }
.mission-graphic { position: relative; height: 290px; }
.motion-system { position: absolute; width: 290px; height: 290px; left: 50%; top: 50%; transform: translate(-50%,-50%); }
.motion-ring { position: absolute; border-radius: 50%; border: 1px dashed rgba(78,108,255,.32); }
.motion-ring-outer { inset: 12px; animation: orbit-spin 32s linear infinite; }
.motion-ring-inner { inset: 70px; border-style: solid; border-color: rgba(16,17,20,.12); animation: orbit-spin-reverse 22s linear infinite; }
.motion-core { position: absolute; z-index: 3; width: 128px; height: 96px; left: 50%; top: 50%; display: grid; place-items: center; padding: 18px 12px; transform: translate(-50%,-50%); border: 1px solid rgba(78,108,255,.2); border-radius: 18px; background: rgba(255,255,255,.96); box-shadow: 0 18px 45px rgba(16,17,20,.18); }
.motion-core img { width: 100%; height: auto; }
.motion-orbit { position: absolute; inset: 12px; border-radius: 50%; animation: orbit-spin 18s linear infinite; }
.motion-node { position: absolute; width: 58px; height: 58px; }
.motion-node > span { width: 100%; height: 100%; display: grid; place-items: center; border: 1px solid rgba(78,108,255,.38); border-radius: 16px; color: var(--blue); background: rgba(255,255,255,.86); box-shadow: 0 10px 24px rgba(16,17,20,.08); animation: orbit-spin-reverse 18s linear infinite; }
.motion-node svg { width: 30px; height: 30px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.node-one { left: 50%; top: -18px; transform: translateX(-50%); }
.node-two { right: -18px; top: 50%; transform: translateY(-50%); }
.node-three { left: 50%; bottom: -18px; transform: translateX(-50%); }
.node-four { left: -18px; top: 50%; transform: translateY(-50%); }
.motion-dot { position: absolute; display: block; width: 12px; height: 12px; border-radius: 50%; background: #8193ff; box-shadow: 0 0 0 7px rgba(78,108,255,.1); animation: dot-pulse 2.6s ease-in-out infinite; }
.dot-one { right: 48px; top: 36px; }
.dot-two { left: 34px; bottom: 54px; animation-delay: -.8s; }
.dot-three { right: 30px; bottom: 70px; width: 8px; height: 8px; animation-delay: -1.5s; }
@keyframes orbit-spin { to { transform: rotate(360deg); } }
@keyframes orbit-spin-reverse { to { transform: rotate(-360deg); } }
@keyframes dot-pulse { 0%,100% { opacity: .45; transform: scale(.8); } 50% { opacity: 1; transform: scale(1.15); } }

.message { position: relative; z-index: 1; overflow: hidden; padding: 84px 30px; color: #fff; background: #25282f; }
.message-track { position: absolute; top: 22px; left: 0; white-space: nowrap; color: rgba(255,255,255,.045); font-size: clamp(90px, 15vw, 210px); font-weight: 800; line-height: 1; transform: translate3d(var(--scroll-track, 0px), 0, 0); will-change: transform; }
.message-inner { position: relative; max-width: var(--max); margin: auto; }
.message-en { margin: 0 0 32px; color: #8495ff; font-size: 12px; font-weight: 700; letter-spacing: .2em; }
.message blockquote { max-width: 1120px; margin: 0 0 30px; font-size: clamp(18px, 3.8vw, 52px); line-height: 1.45; font-weight: 700; letter-spacing: -.03em; }
.message blockquote span { display: block; white-space: nowrap; }
.message-inner > p:last-child { max-width: 720px; margin-left: auto; color: rgba(255,255,255,.68); font-size: 17px; }

.company { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; padding-top: 72px; padding-bottom: 72px; border-top: 1px solid var(--line); }
.company-intro h2 { margin: 32px 0 14px; font-size: clamp(40px, 5vw, 64px); line-height: 1; }
.company-intro p { color: var(--muted); }
.company-logo { width: 170px; margin-top: 28px; }
.company-table { margin: 0; }
.company-table > div { display: grid; grid-template-columns: 150px 1fr; gap: 20px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.company-table dt { font-size: 14px; font-weight: 700; }
.company-table dd { margin: 0; color: #34373e; }
.address-line { white-space: nowrap; }
.company-table small { color: var(--muted); }

.contact { padding: 42px 30px; color: #fff; background: var(--blue); }
.contact-inner { max-width: var(--max); margin: auto; }
.contact-title { min-width: 0; }
.contact-title .eyebrow { margin: 0 0 4px; }
.contact h2 { margin: 0; white-space: nowrap; font-size: clamp(24px, 3.2vw, 42px); line-height: 1.25; letter-spacing: -.04em; }
.contact-description { margin: 8px 0 0; white-space: nowrap; color: rgba(255,255,255,.78); font-size: 14px; }
.contact-actions { display: flex; align-items: center; gap: 24px; margin-top: 20px; }
.button-light { margin: 0; background: #fff; color: var(--ink); }
.email { display: block; width: fit-content; margin: 0; color: #fff; font-size: 14px; }
.email span { color: rgba(255,255,255,.7); }
.site-footer { min-height: 220px; padding: 50px max(30px, calc((100% - var(--max))/2 + 30px)); display: flex; align-items: center; justify-content: space-between; color: #fff; background: #101114; }
.site-footer img { width: 180px; }
.site-footer div { text-align: right; font-size: 13px; color: rgba(255,255,255,.55); }
.site-footer a { color: #fff; text-decoration: none; }

@media (max-width: 800px) {
  .header-inner { height: 80px; padding: 0 20px; }
  .brand img { width: 132px; }
  .menu-button { position: relative; z-index: 3; width: 44px; height: 44px; display: grid; place-content: center; gap: 5px; border: 0; background: transparent; }
  .menu-button span:not(.sr-only) { width: 24px; height: 2px; display: block; background: #fff; transition: .2s; }
  .menu-button[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .site-nav { position: fixed; inset: 0; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 20px; padding: 70px 30px; font-size: 22px; background: #101114; opacity: 0; visibility: hidden; transition: .2s; }
  .site-nav.open { opacity: 1; visibility: visible; }
  .nav-contact { border: 0; padding: 0; }
  .hero { min-height: 720px; }
  .hero-inner { width: calc(100% - 40px); padding-top: 20px; }
  .hero-copy { font-size: 16px; }
  .hero-orb-one { width: 320px; height: 320px; right: -180px; top: 130px; opacity: .72; }
  .hero-index { display: none; }
  .section { padding: 88px 20px; }
  .intro-body, .company, .mission { grid-template-columns: 1fr; gap: 54px; }
  .intro-body { margin-top: 48px; }
  .section-heading { display: block; }
  .section-heading h2 { margin-top: 36px; }
  .business { padding-left: 20px; padding-right: 20px; }
  .service-card { grid-template-columns: 40px 1fr; gap: 14px; }
  .service-mark { display: none; }
  .service-card h3 { font-size: 21px; }
  .strengths { padding-left: 20px; padding-right: 20px; }
  .dark-heading { display: block; }
  .dark-heading h2 { margin-top: 36px; }
  .strength-grid { grid-template-columns: 1fr; }
  .strength-card { min-height: 300px; }
  .strength-image { height: 210px; }
  .strength-card h3 { margin-top: 24px; }
  .approach { grid-template-columns: 1fr; gap: 46px; }
  .approach-copy { position: static; }
  .section-label { gap: 15px; font-size: 14px; }
  .section-label span { font-size: 18px; }
  .approach-steps li { grid-template-columns: 70px 1fr; gap: 15px; min-height: 190px; }
  .mission { padding-top: 68px; padding-bottom: 68px; }
  .mission-graphic { height: 220px; max-width: 380px; }
  .motion-system { width: 220px; height: 220px; }
  .motion-core { width: 108px; height: 80px; padding: 15px 10px; }
  .motion-node { width: 48px; height: 48px; }
  .motion-node svg { width: 25px; height: 25px; }
  .message { padding: 68px 20px; }
  .company { border-top: 0; }
  .company-table > div { grid-template-columns: 1fr; gap: 5px; }
  .address-line { white-space: normal; }
  .contact { padding: 38px 20px; }
  .contact h2 { white-space: normal; font-size: 30px; }
  .contact-description { white-space: normal; }
  .contact-actions { margin-top: 20px; align-items: flex-start; flex-direction: column; gap: 14px; }
  .site-footer { padding: 48px 20px; align-items: flex-start; flex-direction: column; gap: 50px; }
  .site-footer div { text-align: left; }
}

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