:root {
  --ink: #071712;
  --ink-soft: #18312a;
  --green: #087348;
  --green-bright: #22ad70;
  --violet: #684183;
  --paper: #f5f7f2;
  --white: #ffffff;
  --muted: #617069;
  --line: rgba(7, 23, 18, .14);
  --line-soft: rgba(7, 23, 18, .08);
  --display: "DM Sans", "Noto Sans JP", sans-serif;
  --body: "Noto Sans JP", sans-serif;
  --shell: min(1180px, calc(100% - 48px));
}
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { min-width: 320px; color: var(--ink); background: var(--paper); font-family: var(--body); font-size: 1rem; line-height: 1.8; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
button { color: inherit; font: inherit; }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 100; padding: 10px 16px; color: var(--white); background: var(--ink); transform: translateY(-150%); transition: transform .2s ease; }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 2px solid var(--green-bright); outline-offset: 4px; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 50; border-bottom: 1px solid transparent; transition: background .25s ease, border-color .25s ease, box-shadow .25s ease; }
.site-header.is-scrolled { background: rgba(245, 247, 242, .92); border-color: var(--line); box-shadow: 0 12px 40px rgba(7, 23, 18, .045); backdrop-filter: blur(18px); }
.nav-shell { width: var(--shell); height: 84px; margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; }
.brand-mark { position: relative; width: 40px; height: 43px; overflow: hidden; flex: 0 0 auto; }
.brand-mark img { position: absolute; width: 94px; max-width: none; height: 94px; left: -27px; top: -14px; }
.brand-name { font-family: var(--display); font-size: 1.12rem; font-weight: 600; letter-spacing: .16em; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a { position: relative; color: var(--ink-soft); font-size: .875rem; font-weight: 500; text-decoration: none; }
.site-nav a:not(.nav-contact)::after { content: ""; position: absolute; right: 0; bottom: -7px; left: 0; height: 1px; background: var(--green); transform: scaleX(0); transform-origin: right; transition: transform .2s ease; }
.site-nav a:hover::after, .site-nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.site-nav .nav-contact { padding: 10px 18px; color: var(--white); background: var(--ink); border-radius: 999px; transition: background .2s ease, transform .2s ease; }
.site-nav .nav-contact:hover { background: var(--green); transform: translateY(-1px); }
.menu-button { display: none; width: 44px; height: 44px; padding: 0; border: 0; background: transparent; cursor: pointer; }
.menu-button span { display: block; width: 22px; height: 1px; margin: 6px auto; background: currentColor; transition: transform .2s ease; }
.menu-button[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-button[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

.hero { padding: 162px 0 72px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(440px, .98fr); align-items: center; gap: 70px; }
.eyebrow, .section-label { color: var(--green); font-family: var(--display); font-size: .78rem; font-weight: 700; letter-spacing: .12em; }
.eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 25px; }
.eyebrow::before, .section-label::before { content: ""; display: inline-block; width: 26px; height: 1px; margin-right: 10px; vertical-align: middle; background: currentColor; }
.hero h1 { max-width: 8.5em; font-size: clamp(3.2rem, 6.3vw, 5.6rem); line-height: 1.08; letter-spacing: -.055em; }
.hero h1 span { display: block; color: var(--green); letter-spacing: -.035em; }
@supports (-webkit-text-stroke: 1px #000) {
  .hero h1 span { color: transparent; -webkit-text-stroke: 1.5px var(--green); }
}
.hero-lead { max-width: 36em; margin-top: 30px; color: var(--ink-soft); font-size: 1.0625rem; line-height: 2; }
.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 38px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 0 28px; border: 1px solid var(--ink); border-radius: 999px; font-size: .9rem; font-weight: 600; text-decoration: none; transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--ink); }
.button-primary:hover { background: var(--green); border-color: var(--green); }
.text-link { display: inline-flex; align-items: center; gap: 12px; color: var(--ink-soft); font-size: .88rem; font-weight: 600; text-decoration-thickness: 1px; text-underline-offset: 5px; }
.text-link span { color: var(--green); }

.burst-panel { position: relative; padding: 26px 26px 20px; background: var(--white); border: 1px solid var(--line-soft); box-shadow: 0 34px 80px rgba(7, 23, 18, .08); }
.burst-panel::before { content: ""; position: absolute; z-index: -1; width: 250px; height: 250px; right: -72px; bottom: -88px; border: 1px solid rgba(104, 65, 131, .25); border-radius: 50%; box-shadow: 0 0 0 42px rgba(104, 65, 131, .035), 0 0 0 84px rgba(8, 115, 72, .025); }
.panel-kicker { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding-bottom: 12px; color: var(--muted); font-family: var(--display); font-size: .72rem; letter-spacing: .08em; }
.panel-kicker b { color: var(--ink); font-size: .82rem; letter-spacing: 0; font-variant-numeric: tabular-nums; }
.burst-chart { width: 100%; }
.chart-grid line { stroke: rgba(7, 23, 18, .09); stroke-width: 1; stroke-dasharray: 3 6; }
.chart-line { fill: none; stroke: var(--green); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw 1.8s cubic-bezier(.6, .02, .25, 1) .2s forwards; }
.chart-fill, .peak-line, .peak-dot, .burst-chart text { opacity: 0; animation: reveal .7s ease 1.55s forwards; }
.peak-line { stroke: var(--violet); stroke-width: 1; stroke-dasharray: 4 5; }
.peak-dot { fill: var(--violet); }
.burst-chart text { fill: var(--violet); font-family: var(--display); font-size: 11px; font-weight: 700; letter-spacing: .08em; }
.chart-axis { display: flex; justify-content: space-between; margin-top: -3px; color: var(--muted); font-size: .7rem; }
.burst-panel figcaption { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line-soft); color: var(--muted); font-size: .78rem; line-height: 1.8; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes reveal { to { opacity: 1; } }

.metrics { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 76px; padding-top: 32px; border-top: 1px solid var(--line); }
.metric { display: grid; grid-template-columns: auto 1fr; align-items: end; gap: 24px; padding-right: 36px; }
.metric + .metric { padding-left: 36px; border-left: 1px solid var(--line); }
.metric b { font-family: var(--display); font-size: clamp(2rem, 3vw, 2.85rem); font-weight: 600; line-height: 1; letter-spacing: -.04em; white-space: nowrap; font-variant-numeric: tabular-nums; }
.metric b small { margin-left: .35em; font-size: .34em; font-weight: 600; letter-spacing: 0; }
.metric p { color: var(--muted); font-size: .78rem; line-height: 1.75; }

.load-shape { padding: 44px 0 0; }
.load-grid { display: grid; grid-template-columns: .8fr 2.2fr; gap: 64px; padding: 42px 0 46px; border-block: 1px solid var(--line); }
.load-grid .section-label { padding-top: 8px; }
.load-grid h2 { max-width: 22em; font-size: clamp(1.55rem, 2.65vw, 2.25rem); line-height: 1.55; letter-spacing: -.025em; }
.load-grid div > p { max-width: 46em; margin-top: 18px; color: var(--muted); font-size: .95rem; }

.section { padding: 112px 0; }
.section-white { background: var(--white); }
.section-heading { display: grid; grid-template-columns: .8fr 2.2fr; gap: 64px; margin-bottom: 60px; }
.section-heading .section-label { padding-top: 13px; }
.section-heading h2 { font-size: clamp(2.15rem, 4.3vw, 3.6rem); line-height: 1.22; letter-spacing: -.045em; }
.section-heading div > p { max-width: 42em; margin-top: 22px; color: var(--muted); }

.expertise-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.expertise-grid article { padding-top: 20px; border-top: 1px solid var(--ink); }
.expertise-grid span, .principle-grid span { color: var(--green); font-family: var(--display); font-size: .72rem; font-weight: 700; letter-spacing: .08em; }
.expertise-grid h3 { margin-top: 34px; font-size: 1.25rem; }
.expertise-grid p { margin-top: 12px; color: var(--muted); font-size: .9rem; }

.system-map { display: grid; grid-template-columns: .75fr 2.25fr; gap: 46px; margin-top: 92px; padding: 44px; color: var(--white); background: var(--ink); }
.system-map-copy h3 { margin-top: 20px; font-size: clamp(1.4rem, 2.4vw, 2rem); line-height: 1.45; }
.system-map-copy figcaption { margin-top: 20px; color: rgba(255, 255, 255, .58); font-size: .85rem; }
.system-map .section-label { color: #78d9ad; }
.flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1fr; align-items: center; gap: 9px; }
.flow-node { min-width: 0; padding: 18px 8px; text-align: center; border: 1px solid rgba(255, 255, 255, .18); background: rgba(255, 255, 255, .045); }
.flow-node small, .flow-node strong, .flow-node span { display: block; }
.flow-node small { color: rgba(255, 255, 255, .46); font-family: var(--display); font-size: .56rem; letter-spacing: .05em; }
.flow-node strong { margin-top: 8px; font-size: .95rem; }
.flow-node span { margin-top: 3px; color: rgba(255, 255, 255, .56); font-size: .68rem; }
.flow-node.queue { border-color: rgba(120, 217, 173, .55); }
.flow-node.result { border-color: rgba(160, 105, 198, .65); }
.flow-arrow { color: rgba(255, 255, 255, .34); font-family: var(--display); }

.primary-service { display: grid; grid-template-columns: .92fr 1.08fr; gap: 64px; padding: 52px; color: var(--white); background: var(--green); border-radius: 2px 56px 2px 2px; }
.primary-service-title > p { font-family: var(--display); font-size: .72rem; font-weight: 700; letter-spacing: .12em; opacity: .7; }
.primary-service h3 { margin-top: 22px; font-size: clamp(1.55rem, 2.8vw, 2.3rem); line-height: 1.45; letter-spacing: -.025em; }
.primary-service-body > p { color: rgba(255, 255, 255, .8); }
.primary-service ul { display: grid; gap: 9px; margin-top: 22px; padding: 0; list-style: none; }
.primary-service li { position: relative; padding-left: 20px; font-size: .9rem; }
.primary-service li::before { content: ""; position: absolute; top: .85em; left: 0; width: 8px; height: 1px; background: currentColor; }
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); margin-top: 52px; border-top: 1px solid var(--ink); }
.service-grid article { display: grid; grid-template-columns: 42px minmax(150px, .8fr) minmax(220px, 1.2fr); gap: 18px; padding: 28px 24px 28px 0; border-bottom: 1px solid var(--line); }
.service-grid article:nth-child(even) { padding-left: 24px; border-left: 1px solid var(--line); }
.service-grid article > p { color: var(--green); font-family: var(--display); font-size: .72rem; font-weight: 700; }
.service-grid h3 { font-size: 1rem; line-height: 1.65; }
.service-grid span { color: var(--muted); font-size: .86rem; }

.featured-work { display: grid; grid-template-columns: 100px minmax(0, 1.45fr) minmax(220px, .55fr); gap: 34px; padding: 44px 0; border-block: 1px solid var(--ink); }
.work-index, .work-type, .work-list small { color: var(--green); font-family: var(--display); font-size: .72rem; font-weight: 700; letter-spacing: .08em; }
.work-main h3 { margin-top: 12px; font-size: clamp(1.5rem, 2.8vw, 2.25rem); line-height: 1.5; letter-spacing: -.03em; }
.work-main > p:not(.work-type) { max-width: 46em; margin-top: 16px; color: var(--muted); font-size: .92rem; }
.chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 20px; }
.chips span { padding: 4px 11px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink-soft); font-family: var(--display); font-size: .7rem; line-height: 1.5; white-space: nowrap; }
.work-results { display: grid; align-content: start; }
.work-results div { padding: 16px 0; border-bottom: 1px solid var(--line); }
.work-results div:first-child { padding-top: 0; }
.work-results dt { color: var(--muted); font-family: var(--display); font-size: .62rem; font-weight: 700; letter-spacing: .09em; }
.work-results dd { margin-top: 4px; font-family: var(--display); font-size: 1.65rem; font-weight: 600; line-height: 1.2; font-variant-numeric: tabular-nums; }
.work-results dd small { margin-left: .3em; color: var(--muted); font-size: .38em; }
.work-results .scope { font-family: var(--body); font-size: .9rem; line-height: 1.6; }
.work-list { margin-top: 54px; }
.work-list article { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(260px, .6fr); gap: 40px; padding: 27px 0; border-bottom: 1px solid var(--line); }
.work-list h3 { margin-top: 6px; font-size: 1.06rem; }
.work-list p { margin-top: 6px; color: var(--muted); font-size: .87rem; }
.work-list b { display: inline-block; margin-top: 8px; color: var(--violet); font-size: .8rem; }
.work-list .chips { align-content: start; justify-content: flex-end; margin-top: 0; }

.principles { color: var(--white); background: var(--ink); }
.principles .section-label { color: #78d9ad; }
.principles .section-heading div > p { color: rgba(255, 255, 255, .6); }
.principle-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; border: 1px solid rgba(255, 255, 255, .13); background: rgba(255, 255, 255, .13); }
.principle-grid article { min-height: 270px; padding: 34px; display: flex; flex-direction: column; justify-content: flex-end; background: var(--ink); }
.principle-grid span { margin-bottom: auto; color: #78d9ad; }
.principle-grid h3 { font-size: 1.2rem; line-height: 1.55; }
.principle-grid p { margin-top: 14px; color: rgba(255, 255, 255, .58); font-size: .86rem; }

.company-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 72px; align-items: start; }
.mission { position: sticky; top: 116px; padding: 42px; color: var(--white); background: var(--green); border-radius: 2px 48px 2px 2px; }
.mission small { font-family: var(--display); font-size: .72rem; letter-spacing: .12em; opacity: .7; }
.mission p { margin-top: 62px; font-size: clamp(1.3rem, 2.5vw, 1.85rem); font-weight: 500; line-height: 1.7; letter-spacing: -.025em; }
.profile-table { border-top: 1px solid var(--line); }
.profile-table > div { display: grid; grid-template-columns: 130px 1fr; gap: 32px; padding: 23px 0; border-bottom: 1px solid var(--line); }
.profile-table dt { color: var(--muted); font-size: .8rem; }
.profile-table dd { font-weight: 500; }
.profile-table .profile-note { color: var(--ink-soft); font-size: .88rem; font-weight: 400; }

.contact { padding: 40px 0 108px; }
.contact-panel { display: flex; align-items: flex-end; justify-content: space-between; gap: 52px; padding: 64px 68px; color: var(--white); background: linear-gradient(125deg, var(--violet), #3f2655); }
.contact-panel div > p { font-family: var(--display); font-size: .72rem; font-weight: 700; letter-spacing: .12em; opacity: .72; }
.contact-panel h2 { margin-top: 20px; font-size: clamp(2rem, 4.4vw, 3.7rem); line-height: 1.25; letter-spacing: -.045em; }
.contact-panel div > span { display: block; max-width: 40em; margin-top: 20px; color: rgba(255, 255, 255, .72); font-size: .88rem; }
.contact-action { flex: 0 0 auto; display: grid; justify-items: center; gap: 12px; }
.contact-button { color: var(--white); border-color: rgba(255, 255, 255, .55); }
.contact-button:hover { color: var(--violet); background: var(--white); border-color: var(--white); }
.email-address { color: rgba(255, 255, 255, .7); font-family: var(--display); font-size: .76rem; text-underline-offset: 4px; }

footer { padding: 38px 0; border-top: 1px solid var(--line); }
.footer-inner { display: grid; grid-template-columns: 1fr auto auto; align-items: end; gap: 50px; }
.footer-brand { font-family: var(--display); font-size: .82rem; font-weight: 700; letter-spacing: .14em; }
.footer-inner > div > p:last-child { margin-top: 7px; color: var(--muted); font-size: .72rem; }
.footer-inner nav { display: flex; gap: 20px; }
.footer-inner nav a { color: var(--muted); font-size: .74rem; text-decoration: none; }
.footer-inner nav a:hover { color: var(--green); }
.copyright { color: var(--muted); font-family: var(--display); font-size: .7rem; white-space: nowrap; }

@media (max-width: 1040px) {
  .hero-grid { grid-template-columns: 1fr 420px; gap: 46px; }
  .metric { grid-template-columns: 1fr; gap: 10px; align-items: start; }
  .expertise-grid { grid-template-columns: repeat(2, 1fr); gap: 42px; }
  .service-grid article { grid-template-columns: 36px 1fr; }
  .service-grid article span { grid-column: 2; }
  .system-map { grid-template-columns: 1fr; }
}

@media (max-width: 840px) {
  :root { --shell: min(100% - 32px, 680px); }
  .nav-shell { height: 76px; }
  .js .menu-button { display: block; }
  .js .site-nav { display: none; }
  .js .site-nav.is-open { position: absolute; top: 76px; right: 16px; left: 16px; display: flex; align-items: stretch; flex-direction: column; gap: 0; padding: 12px; background: var(--white); border: 1px solid var(--line); box-shadow: 0 24px 60px rgba(7, 23, 18, .14); }
  .js .site-nav.is-open a { padding: 12px; }
  .js .site-nav.is-open .nav-contact { margin-top: 6px; text-align: center; }
  .no-js .nav-shell { height: auto; min-height: 76px; padding-block: 14px; flex-wrap: wrap; }
  .no-js .site-nav { order: 3; width: 100%; justify-content: space-between; flex-wrap: wrap; gap: 10px 18px; padding-block: 10px; }
  .hero { padding: 126px 0 68px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero h1 { font-size: clamp(2.75rem, 12vw, 4.7rem); }
  .burst-panel { max-width: 620px; }
  .metrics { grid-template-columns: 1fr; gap: 0; margin-top: 56px; }
  .metric { grid-template-columns: minmax(160px, .55fr) 1fr; gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--line); }
  .metric + .metric { padding-left: 0; border-left: 0; }
  .load-grid, .section-heading { grid-template-columns: 1fr; gap: 22px; }
  .load-grid { padding-block: 34px 38px; }
  .load-grid .section-label, .section-heading .section-label { padding-top: 0; }
  .section { padding: 84px 0; }
  .section-heading { margin-bottom: 46px; }
  .system-map { margin-top: 68px; padding: 36px 28px; }
  .flow { grid-template-columns: 1fr; }
  .flow-arrow { transform: rotate(90deg); justify-self: center; }
  .primary-service { grid-template-columns: 1fr; gap: 32px; padding: 40px 34px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-grid article, .service-grid article:nth-child(even) { padding: 25px 0; border-left: 0; }
  .featured-work { grid-template-columns: 76px 1fr; }
  .work-results { grid-column: 2; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .work-results div { padding: 14px 0 0; border-top: 1px solid var(--line); border-bottom: 0; }
  .work-list article { grid-template-columns: 1fr; gap: 14px; }
  .work-list .chips { justify-content: flex-start; }
  .principle-grid { grid-template-columns: 1fr; }
  .principle-grid article { min-height: 220px; }
  .company-grid { grid-template-columns: 1fr; gap: 48px; }
  .mission { position: static; }
  .contact-panel { align-items: flex-start; flex-direction: column; padding: 52px 44px; }
  .contact-action { justify-items: start; }
  .footer-inner { grid-template-columns: 1fr auto; gap: 30px; }
  .footer-inner nav { grid-column: 1 / -1; grid-row: 1; flex-wrap: wrap; }
}

@media (max-width: 560px) {
  .brand-name { font-size: 1rem; letter-spacing: .12em; }
  .hero { padding-top: 118px; }
  .hero-lead { font-size: 1rem; line-height: 1.9; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .text-link { justify-content: center; }
  .burst-panel { padding: 18px 16px 15px; }
  .panel-kicker span { font-size: .62rem; }
  .panel-kicker b { font-size: .74rem; }
  .metric { grid-template-columns: minmax(130px, .55fr) 1fr; gap: 18px; }
  .metric b { font-size: 2.1rem; }
  .expertise-grid { grid-template-columns: 1fr; gap: 34px; }
  .expertise-grid h3 { margin-top: 20px; }
  .system-map { padding: 32px 22px; }
  .primary-service { padding: 36px 24px; border-radius: 2px 38px 2px 2px; }
  .service-grid article { grid-template-columns: 30px 1fr; gap: 12px; }
  .featured-work { grid-template-columns: 1fr; gap: 16px; }
  .work-main h3 br { display: none; }
  .work-results { grid-column: 1; gap: 12px; }
  .work-results dd { font-size: 1.3rem; }
  .mission { padding: 34px 26px; }
  .mission p { margin-top: 44px; }
  .profile-table > div { grid-template-columns: 86px 1fr; gap: 18px; }
  .contact { padding-bottom: 74px; }
  .contact-panel { padding: 42px 24px; }
  .contact-action, .contact-button { width: 100%; }
  .contact-action { justify-items: center; }
  .footer-inner { grid-template-columns: 1fr; align-items: start; }
  .footer-inner nav { grid-column: 1; grid-row: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .chart-line { stroke-dashoffset: 0; }
  .chart-fill, .peak-line, .peak-dot, .burst-chart text { opacity: 1; }
}