:root {
  --ivory: #f4f1e8;
  --paper: #fbf9f3;
  --ink: #14211d;
  --green: #12382e;
  --green-2: #1c4d40;
  --sage: #9baa9f;
  --line: rgba(18, 56, 46, 0.18);
  --coral: #e4573f;
  --font-geist-sans: "Helvetica Neue", "Noto Sans JP", Arial, sans-serif;
  --font-geist-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ivory); color: var(--ink); font-family: var(--font-geist-sans), "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, summary { font: inherit; }
::selection { background: var(--coral); color: #fff; }

.skip-link { position: fixed; top: 8px; left: 8px; z-index: 100; transform: translateY(-150%); background: #fff; padding: 12px 18px; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; top: 0; z-index: 50; height: 84px; padding: 0 3vw; display: grid; grid-template-columns: minmax(210px, 1fr) auto minmax(210px, 1fr); align-items: center; border-bottom: 1px solid var(--line); background: rgba(244,241,232,.94); backdrop-filter: blur(14px); }
.header-logo,.footer-logo { position: relative; display: block; width: 112px; height: 34px; overflow: hidden; }
.brand-logo { position: absolute; top: 50%; left: 50%; display: block; width: 160px; max-width: none; height: auto; transform: translate(-50%,-50%); }
.brand-logo--inverse { filter: grayscale(1) brightness(0) invert(1); }
.brand { display: inline-flex; align-items: center; gap: 8px; color: var(--green); }
.brand-o { position: relative; display: inline-block; width: 30px; height: 30px; }
.brand-o__ring { position: absolute; border: 1.75px solid currentColor; border-radius: 50%; }
.brand-o__ring--a { inset: 2px 1px 1px 2px; transform: rotate(9deg); clip-path: polygon(0 0, 88% 0, 100% 42%, 100% 100%, 0 100%); }
.brand-o__ring--b { inset: 0 3px 3px 0; transform: rotate(-16deg); clip-path: polygon(0 0, 100% 0, 100% 88%, 58% 100%, 0 100%); }
.brand-o__ring--c { inset: 4px 0 0 4px; transform: rotate(20deg); clip-path: polygon(12% 0, 100% 0, 100% 100%, 0 100%, 0 50%); }
.brand-text { font-size: 22px; font-weight: 520; letter-spacing: .30em; line-height: 1; }
.brand--inverse { color: var(--ivory); }
.desktop-nav { display: flex; gap: clamp(28px, 3vw, 54px); align-items: center; font-size: 15px; font-weight: 580; }
.desktop-nav a { position: relative; padding: 12px 0; }
.desktop-nav a::after { content: ""; position: absolute; left: 0; bottom: 5px; width: 100%; height: 1px; background: var(--green); transform: scaleX(0); transform-origin: right; transition: transform .35s ease; }
.desktop-nav a:hover::after, .desktop-nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.header-contact { justify-self: end; display: flex; align-items: center; gap: 20px; padding: 13px 18px; border: 1px solid var(--green); font-size: 15px; font-weight: 600; transition: .25s; }
.header-contact:hover { background: var(--green); color: var(--ivory); }
.arrow { display: inline-block; transition: transform .25s ease; }
a:hover .arrow { transform: translate(3px, -3px); }
.mobile-menu { display: none; }

.hero { min-height: calc(100svh - 84px); position: relative; display: grid; grid-template-columns: repeat(12, 1fr); grid-template-rows: 1fr auto; border-bottom: 1px solid var(--line); overflow: hidden; background-image: linear-gradient(to right, transparent calc(100% - 1px), rgba(18,56,46,.09) calc(100% - 1px)); background-size: 8.333% 100%; }
.hero-copy { grid-column: 1 / 7; display: flex; flex-direction: column; justify-content: center; padding: 80px 6vw 120px; position: relative; z-index: 2; }
.eyebrow { margin: 0 0 28px; color: var(--green-2); font-family: var(--font-geist-mono), monospace; font-size: 12px; font-weight: 650; letter-spacing: .16em; }
.hero h1 { margin: 0; font-size: clamp(56px, 5.2vw, 80px); line-height: 1.22; letter-spacing: -.06em; font-weight: 580; }
.hero-lead { max-width: 610px; margin: 42px 0 0; font-size: 18px; line-height: 2; letter-spacing: .01em; }
.hero-actions { display: flex; align-items: center; gap: 48px; margin-top: 42px; }
.button { min-height: 62px; padding: 0 28px; display: inline-flex; align-items: center; justify-content: space-between; gap: 30px; font-size: 15px; font-weight: 650; }
.button--primary { min-width: 242px; background: var(--coral); color: white; transition: background .25s, transform .25s; }
.button--primary:hover { background: #c94430; transform: translateY(-2px); }
.text-link { display: inline-flex; gap: 44px; align-items: center; padding: 14px 0 9px; border-bottom: 1px solid var(--green); color: var(--green); font-size: 15px; font-weight: 600; }
.text-link span { transition: transform .25s; }
.text-link:hover span { transform: translateX(5px); }
.hero-graphic { grid-column: 7 / 13; position: relative; overflow: hidden; border-left: 1px solid var(--line); }
.hero-graphic::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 72px 72px; opacity: .35; }
.hero-o { position: absolute; width: min(27vw, 410px); aspect-ratio: 1; left: 48%; top: 46%; transform: translate(-50%, -50%); animation: o-in 1.1s cubic-bezier(.2,.8,.2,1) both; }
.hero-o span { position: absolute; border: 2px solid var(--green); border-radius: 50%; }
.hero-o span:nth-child(1) { inset: 3% 1% 0 4%; transform: rotate(9deg); clip-path: polygon(0 0, 90% 0, 100% 40%, 100% 100%, 0 100%); }
.hero-o span:nth-child(2) { inset: 0 5% 4% 0; transform: rotate(-15deg); clip-path: polygon(0 0, 100% 0, 100% 88%, 60% 100%, 0 100%); }
.hero-o span:nth-child(3) { inset: 7% 0 2% 7%; transform: rotate(19deg); clip-path: polygon(12% 0, 100% 0, 100% 100%, 0 100%, 0 45%); }
.route { position: absolute; border-color: var(--green); border-style: solid; opacity: .88; }
.route--a { width: 78%; height: 32%; left: 0; top: 18%; border-width: 0 1px 1px 0; border-radius: 0 0 12px 0; }
.route--b { width: 58%; height: 40%; right: -8%; top: 50%; border-width: 1px 0 0 1px; border-radius: 12px 0 0 0; }
.route--c { width: 42%; height: 72%; left: 19%; top: 0; border-width: 0 1px 0 0; }
.route--b::after { content: ""; position: absolute; width: 72px; height: 3px; left: 19%; top: -2px; background: var(--coral); }
.graphic-label { position: absolute; z-index: 2; padding: 5px 8px; background: var(--ivory); color: var(--green); font: 600 11px/1 var(--font-geist-mono), monospace; letter-spacing: .12em; }
.graphic-label--one { top: 16%; left: 14%; }
.graphic-label--two { top: 48%; right: 10%; }
.graphic-label--three { bottom: 13%; left: 22%; }
.progress-index { position: absolute; right: 5%; top: 42%; display: flex; flex-direction: column; align-items: center; gap: 8px; color: var(--green); font: 600 11px var(--font-geist-mono), monospace; }
.progress-index strong { margin-bottom: 4px; }
.progress-index span { margin-top: 4px; }
.progress-index i { width: 6px; height: 6px; border-radius: 50%; background: var(--sage); }
.progress-index i:first-of-type { background: var(--green); }
.hero-index { grid-column: 1 / 13; display: grid; grid-template-columns: repeat(3, 1fr); z-index: 3; border-top: 1px solid var(--line); background: rgba(244,241,232,.93); }
.hero-index a { min-height: 128px; position: relative; display: grid; grid-template-columns: 50px 1fr auto; grid-template-rows: 1fr 1fr; align-items: end; padding: 24px 30px 22px; border-right: 1px solid var(--line); transition: background .25s; }
.hero-index a:hover { background: var(--paper); }
.hero-index a > span:first-child { grid-row: 1 / 3; align-self: start; font: 600 11px var(--font-geist-mono), monospace; color: var(--green); }
.hero-index strong { font-size: 17px; font-weight: 570; }
.hero-index small { align-self: start; color: #627069; font: 500 11px var(--font-geist-mono), monospace; letter-spacing: .1em; }
.hero-index .arrow { grid-column: 3; grid-row: 1 / 3; align-self: center; }

.section { display: grid; grid-template-columns: repeat(12, 1fr); padding: 130px 6vw; border-bottom: 1px solid var(--line); }
.about-main { grid-column: 2 / 7; }
.about-main h2, .services-heading h2, .process-heading h2, .vision-copy h2 { margin: 0; font-size: clamp(42px, 4.4vw, 68px); line-height: 1.35; letter-spacing: -.05em; font-weight: 520; }
.about-copy { grid-column: 8 / 12; padding-top: 48px; }
.about-copy p { margin: 0 0 24px; font-size: 16px; line-height: 2; }
.about-note { grid-column: 2 / 12; margin-top: 92px; padding: 24px 0; display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.about-note span { color: var(--green); font: 600 11px var(--font-geist-mono), monospace; letter-spacing: .14em; }
.about-note strong { font-size: 18px; font-weight: 540; }

.services { background: #101713; color: #eef0e9; border-color: rgba(255,255,255,.13); }
.services-heading { grid-column: 2 / 12; display: grid; grid-template-columns: 1.3fr 1fr; align-items: end; }
.services-heading .eyebrow { grid-column: 1 / 3; color: #a9baaf; }
.services-heading h2 { grid-column: 1; }
.services-heading > p:last-child { grid-column: 2; margin: 0 0 10px; color: #b9c0bb; font-size: 16px; line-height: 1.9; text-align: right; }
.service-list { grid-column: 2 / 12; margin-top: 70px; border-top: 1px solid rgba(255,255,255,.16); }
.service-card { min-height: 210px; display: grid; grid-template-columns: 70px 1.25fr 1.35fr 1fr; gap: 28px; align-items: center; border-bottom: 1px solid rgba(255,255,255,.16); transition: background .3s, padding .3s; }
.service-card:hover { background: rgba(255,255,255,.025); padding: 0 18px; }
.service-number { color: #8da097; font: 500 11px var(--font-geist-mono), monospace; }
.service-title small { color: #8da097; font: 500 13px var(--font-geist-mono), monospace; letter-spacing: .1em; }
.service-title h3 { margin: 12px 0 0; font-size: 27px; font-weight: 500; }
.service-card > p { color: #c3cac5; font-size: 16px; line-height: 1.9; }
.service-card ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.service-card li { padding: 7px 10px; border: 1px solid rgba(255,255,255,.18); color: #cbd1cd; font-size: 11px; }

.process-heading { grid-column: 2 / 7; }
.process-flow { grid-column: 2 / 12; position: relative; min-height: 520px; margin-top: 76px; }
.process-thread { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.process-thread path { fill: none; vector-effect: non-scaling-stroke; }
.process-thread__base { stroke: rgba(18,56,46,.58); stroke-width: 1.5; }
.process-thread__strand { stroke: rgba(18,56,46,.22); stroke-width: 1; }
.process-thread__strand--coral { stroke: rgba(215,78,59,.68); }
.process-thread--mobile { display: none; }
.process-steps { position: relative; z-index: 1; min-height: 520px; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); list-style: none; }
.process-step { --node-y: 260px; position: relative; min-width: 0; padding: calc(var(--node-y) + 34px) clamp(15px,2vw,30px) 0; }
.process-step--design { --node-y: 178px; }
.process-step--build { --node-y: 215px; }
.process-step--improve { --node-y: 72px; }
.process-step::before,.process-step::after { content: ""; position: absolute; left: 50%; border-radius: 50%; transform: translateX(-50%); }
.process-step::before { top: calc(var(--node-y) - 8px); z-index: 2; width: 16px; height: 16px; border: 2px solid var(--green); background: var(--ivory); }
.process-step::after { top: calc(var(--node-y) - 15px); width: 30px; height: 30px; border: 1px solid rgba(18,56,46,.28); }
.process-step--improve::before { border-color: var(--coral); }
.process-step--improve::after { border-color: rgba(215,78,59,.36); }
.process-step__meta { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; color: var(--green); }
.process-step__meta span { color: var(--coral); font: 650 12px var(--font-geist-mono), monospace; }
.process-step__meta small { font: 600 11px var(--font-geist-mono), monospace; letter-spacing: .12em; }
.process-step h3 { margin: 15px 0 0; font-size: 24px; font-weight: 550; }
.process-step p { margin: 20px 0 0; color: #53615a; font-size: 16px; line-height: 1.9; }

.identity { min-height: 720px; display: grid; grid-template-columns: 1fr 1fr; background: var(--paper); border-bottom: 1px solid var(--line); }
.identity-mark { position: relative; overflow: hidden; border-right: 1px solid var(--line); background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 84px 84px; }
.identity-ring { position: absolute; width: min(24vw, 340px); aspect-ratio: 1; display: flex; flex-direction: column; align-items: center; border: 2px solid var(--green); border-radius: 50%; color: var(--green); font-family: var(--font-geist-mono), monospace; }
.identity-ring b { font-size: 11px; letter-spacing: .16em; }
.identity-ring small { margin-top: 6px; font: 500 11px var(--font-geist-sans), sans-serif; letter-spacing: .04em; }
.identity-ring--one { left: 8%; top: 15%; justify-content: flex-start; padding-top: 52px; border-color: var(--green); }
.identity-ring--two { right: 7%; top: 12%; justify-content: flex-start; padding-top: 48px; border-color: #567568; }
.identity-ring--three { left: 28%; bottom: 7%; justify-content: flex-end; padding-bottom: 50px; border-color: var(--coral); color: #b94a37; }
.identity-center { position: absolute; left: 50%; top: 50%; z-index: 2; transform: translate(-50%,-31%); width: 150px; aspect-ratio: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; border-radius: 50%; background: var(--green); color: var(--ivory); text-align: center; box-shadow: 0 0 0 12px rgba(244,241,232,.72); }
.identity-center b { font: 600 12px var(--font-geist-mono), monospace; letter-spacing: .18em; }
.identity-center small { max-width: 112px; margin-top: 9px; font-size: 11px; line-height: 1.55; }
.identity-copy { padding: 10vw 6.8vw; display: flex; flex-direction: column; justify-content: center; }
.identity-copy h2 { margin: 0; font-size: clamp(42px,3.7vw,56px); line-height: 1.38; letter-spacing: -.05em; font-weight: 520; }
.identity-copy > p:last-child { max-width: 560px; margin: 48px 0 0; font-size: 16px; line-height: 2; }

.vision { position: relative; min-height: 720px; overflow: hidden; background: var(--green); color: white; border-color: rgba(255,255,255,.14); }
.vision-copy { grid-column: 2 / 7; z-index: 2; }
.vision .eyebrow { color: #b8c9c0; }
.vision-copy > p:not(.eyebrow) { max-width: 620px; margin: 38px 0 0; color: #d1ddd7; font-size: 16px; line-height: 2; }
.vision-copy > p + p { margin-top: 12px; }
.vision-map { grid-column: 8 / 12; min-height: 430px; display: flex; align-items: center; justify-content: center; }
.vision-diagram { display: block; width: 100%; max-width: 460px; height: auto; overflow: visible; }
.vision-diagram__links { fill: none; stroke: rgba(255,255,255,.5); stroke-width: 1.5; }
.vision-diagram__node circle { fill: none; stroke: rgba(255,255,255,.5); stroke-width: 1.5; }
.vision-diagram__node text { fill: #fff; font: 600 12px var(--font-geist-mono), monospace; letter-spacing: .12em; }
.vision-diagram__node--ai circle { stroke: rgba(255,255,255,.38); }
.vision-diagram__node--future circle { stroke: var(--coral); }
.vision-diagram__node--future text { font-size: 11px; }
.vision-diagram__node--future .vision-diagram__future { fill: #ff8d79; font-size: 11px; }

.company-heading { grid-column: 2 / 6; }
.company-heading h2 { margin: 0; font-size: 48px; font-weight: 520; letter-spacing: -.04em; }
.company-list { grid-column: 7 / 12; margin: 0; border-top: 1px solid var(--line); }
.company-list div { display: grid; grid-template-columns: 130px 1fr; padding: 20px 0; border-bottom: 1px solid var(--line); }
.company-list dt { color: #68766f; font-size: 14px; }
.company-list dd { margin: 0; font-size: 16px; line-height: 1.85; }

.contact { min-height: 650px; padding: 140px 6vw; text-align: center; display: flex; flex-direction: column; align-items: center; justify-content: center; background: var(--paper); }
.contact .eyebrow { color: var(--coral); }
.contact h2 { margin: 0; font-size: clamp(34px, 3.4vw, 48px); line-height: 1.4; letter-spacing: -.04em; font-weight: 520; }
.contact > p:not(.eyebrow) { margin: 32px 0 0; color: #59665f; font-size: 16px; }
.contact-mail { margin-top: 54px; min-width: min(520px, 90vw); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 30px; padding: 22px 0; border-top: 1px solid var(--green); border-bottom: 1px solid var(--green); transition: color .25s, padding .25s; }
.contact-mail > span:first-child { justify-self: start; color: #6c7872; font: 600 11px var(--font-geist-mono), monospace; letter-spacing: .12em; }
.contact-mail strong { font-size: 16px; font-weight: 600; }
.contact-mail .arrow { justify-self: end; color: var(--coral); }
.contact-mail:hover,.contact-mail:focus-visible { color: var(--coral); padding-inline: 12px; }

.footer { min-height: 210px; padding: 48px 3vw; display: grid; grid-template-columns: 1fr 1fr auto; grid-template-rows: 1fr auto; align-items: start; gap: 30px; background: #101713; color: #cbd2ce; }
.footer > p { margin: 8px 0; font-size: 14px; text-align: center; }
.footer > a { margin-top: 8px; font: 600 11px var(--font-geist-mono), monospace; letter-spacing: .12em; }
.footer > .footer-logo { margin-top: 0; }
.footer > small { grid-column: 1 / 4; font-size: 11px; color: #6e7a74; }

@keyframes o-in { from { opacity: 0; transform: translate(-50%,-48%) scale(.92) rotate(-4deg); } to { opacity: 1; transform: translate(-50%,-50%) scale(1) rotate(0); } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; height: 72px; }
  .desktop-nav,.header-contact { display: none; }
  .mobile-menu { display: block; justify-self: end; }
  .mobile-menu summary { list-style: none; width: 46px; height: 46px; display: grid; place-content: center; gap: 7px; cursor: pointer; }
  .mobile-menu summary::-webkit-details-marker { display:none; }
  .mobile-menu summary span { display:block; width:25px; height:1px; background:var(--green); }
  .mobile-menu nav { position: fixed; left: 0; right: 0; top: 72px; padding: 32px 6vw 45px; display:flex; flex-direction:column; gap:24px; background:var(--ivory); border-bottom:1px solid var(--line); font-size:17px; }
  .hero { grid-template-rows: auto auto; }
  .hero-copy { grid-column:1 / 8; padding:90px 6vw 110px; }
  .hero-graphic { grid-column:8 / 13; }
  .hero-index a { grid-template-columns:40px 1fr auto; padding:22px 18px; }
  .section { padding:100px 5vw; }
  .about-main,.process-heading { grid-column:2 / 7; }
  .about-copy { grid-column:8 / 12; }
  .services-heading,.service-list,.process-flow { grid-column:2 / 12; }
  .service-card { grid-template-columns:50px 1fr 1.2fr; }
  .service-card ul { display:none; }
  .process-step { padding-inline:14px; }
  .company-heading { grid-column:2 / 6; }
  .company-list { grid-column:7 / 12; }
}

@media (max-width: 700px) {
  .brand-text { font-size:19px; }
  .brand-o { width:27px;height:27px; }
  .hero { display:block; min-height:auto; background-size:25% 100%; }
  .hero-copy { padding:86px 6vw 72px; }
  .hero h1 { font-size:clamp(48px,14vw,68px); line-height:1.25; }
  .hero-lead { margin-top:32px; font-size:16px; }
  .desktop-break { display:none; }
  .hero-actions { align-items:flex-start; flex-direction:column; gap:20px; margin-top:34px; }
  .hero-graphic { height:390px; border-left:0; border-top:1px solid var(--line); }
  .hero-o { width:56vw; }
  .hero-index { display:block; }
  .hero-index a { min-height:92px; border-bottom:1px solid var(--line); grid-template-columns:44px 1fr auto; padding:19px 6vw; }
  .hero-index small { display:none; }
  .section { display:block; padding:88px 6vw; }
  .about-main h2,.services-heading h2,.process-heading h2,.vision-copy h2 { font-size:clamp(38px,11vw,52px); }
  .about-copy { padding-top:48px; }
  .about-note { margin-top:60px; display:block; }
  .about-note strong { display:block; margin-top:18px; }
  .services-heading { display:block; }
  .services-heading > p:last-child { margin-top:30px; text-align:left; }
  .service-list { margin-top:55px; }
  .service-card { display:block; min-height:auto; padding:30px 0 34px; }
  .service-card:hover { padding:30px 0 34px; }
  .service-title { margin-top:32px; }
  .service-card > p { margin-top:25px; }
  .service-card ul { display:flex; margin-top:22px; }
  .process-flow { min-height:auto; margin-top:58px; }
  .process-thread--desktop { display:none; }
  .process-thread--mobile { display:block; width:52px; height:calc(100% - 20px); }
  .process-steps { display:block; min-height:0; }
  .process-step,.process-step--design,.process-step--build,.process-step--improve { min-height:168px; padding:0 0 58px 70px; }
  .process-step:last-child { min-height:0; padding-bottom:0; }
  .process-step::before,.process-step::after { left:27px; }
  .process-step::before { top:2px; }
  .process-step::after { top:-5px; }
  .process-step__meta { justify-content:flex-start; gap:22px; }
  .process-step h3 { font-size:23px; }
  .process-step p { max-width:420px; }
  .identity { display:block; min-height:auto; }
  .identity-mark { height:500px; border-right:0; border-bottom:1px solid var(--line); }
  .identity-ring { width:58vw; max-width:280px; }
  .identity-ring--one { left:2%;top:12%;padding-top:38px; }
  .identity-ring--two { right:2%;top:10%;padding-top:36px; }
  .identity-ring--three { left:23%;bottom:4%;padding-bottom:38px; }
  .identity-center { width:124px; transform:translate(-50%,-28%); }
  .identity-copy { padding:90px 6vw; }
  .vision { min-height:auto; }
  .vision-map { min-height:auto; margin-top:70px; }
  .vision-diagram { width:min(100%,460px); }
  .company-list div { grid-template-columns:90px 1fr; }
  .contact { min-height:600px; padding:100px 6vw; }
  .contact h2 { font-size:clamp(30px,8.5vw,38px); }
  .contact-mail { min-width:min(440px,90vw); grid-template-columns:1fr auto; gap:12px 24px; }
  .contact-mail > span:first-child { grid-column:1 / 3; justify-self:center; }
  .footer { grid-template-columns:1fr auto; }
  .footer > p { display:none; }
  .footer > small { grid-column:1 / 3; }
}