:root {
  --ink: #142b3b;
  --text: #344653;
  --muted: #647480;
  --accent: #be4a20;
  --line: #dce3e7;
  --surface: #f3f6f8;
  --white: #fff;
  --content-width: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 108px; }
body { margin: 0; color: var(--text); background: var(--white); font: 400 1rem/1.9 "Segoe UI", "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif; -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, p, ul, dl, dd { margin: 0; }
h1, h2, h3, h4 { color: var(--ink); font-weight: 700; }
a { color: inherit; text-decoration: none; text-underline-offset: .25em; }
button, summary { font: inherit; }
a, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
img { display: block; max-width: 100%; }
.container { width: min(var(--content-width), calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: -100px; left: 16px; background: var(--white); color: var(--ink); padding: 12px 20px; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.98); border-bottom: 1px solid var(--line); }
.header-inner { min-height: 88px; max-width: 1440px; margin: auto; padding: 18px 48px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.wordmark { font-size: 2.35rem; font-weight: 750; line-height: 1; letter-spacing: -.06em; color: var(--ink); white-space: nowrap; }
.brand-dot { color: var(--accent); }
.brand-company { font-size: .78rem; letter-spacing: .07em; font-weight: 500; margin-left: 14px; }
.desktop-nav { display: flex; align-items: center; gap: 36px; font-size: .875rem; font-weight: 600; }
.desktop-nav > a { padding-block: 10px; }
.desktop-nav > a:hover { color: var(--accent); }
.desktop-nav .nav-contact { padding: 11px 20px; color: var(--white); background: var(--ink); }
.nav-contact span { margin-left: 18px; }
.desktop-nav .nav-contact:hover { background: var(--accent); color: var(--white); }
.mobile-menu { display: none; }
.eyebrow { color: var(--accent); font-size: .8125rem; font-weight: 700; letter-spacing: .15em; line-height: 1.6; }
.hero { overflow: hidden; }
.hero-inner { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; min-height: 650px; align-items: center; }
.hero-copy { position: relative; padding-block: 64px; z-index: 1; }
.hero h1 { margin-top: 25px; font-size: clamp(2.65rem, 4.35vw, 3.9rem); line-height: 1.42; letter-spacing: -.045em; }
.hero h1 span { color: var(--ink); }
.hero-lead { margin-top: 27px; line-height: 2; }
.hero-actions { margin-top: 35px; display: flex; align-items: center; gap: 26px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 32px; padding: 15px 22px; min-height: 54px; font-weight: 600; font-size: .9375rem; }
.button-primary { background: var(--ink); color: var(--white); }
.button-primary:hover { background: var(--accent); }
.text-link { display: inline-flex; align-items: center; gap: 18px; font-size: .875rem; font-weight: 600; padding-block: 12px; border-bottom: 1px solid var(--line); }
.text-link:hover { color: var(--accent); border-color: var(--accent); }
.hero-visual { align-self: stretch; position: relative; margin-block: 42px; margin-right: min(-48px, calc((1160px - 100vw) / 2)); }
.hero-visual img { width: 100%; height: 100%; min-height: 470px; object-fit: cover; object-position: 67% center; }
.service-index { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.service-index a { display: flex; align-items: flex-start; gap: 15px; padding: 25px 26px; font-size: .9375rem; font-weight: 700; line-height: 1.7; }
.service-index a:first-child { padding-left: 0; }
.service-index a + a { border-left: 1px solid var(--line); }
.service-index a:hover { color: var(--accent); }
.service-index small { display: block; margin-top: 5px; color: var(--muted); font-size: .8125rem; font-weight: 400; }
.index-number { font-size: .8125rem; color: var(--accent); padding-top: 3px; }
.index-arrow { margin-left: auto; font-size: 1.2rem; }
.section { padding-block: 108px; }
.section-heading h2 { margin-top: 13px; font-size: 2.05rem; line-height: 1.5; letter-spacing: .03em; }
.split-layout { display: grid; grid-template-columns: 1fr 2fr; gap: 64px; align-items: start; }
.purpose-copy { color: var(--ink); font-size: 1.125rem; line-height: 2.2; }
.services-section { background: var(--surface); }
.services-section .section-heading { margin-bottom: 52px; }
.service { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1.7fr); gap: 70px; border-top: 1px solid #cad5dc; padding-block: 50px; }
.service:last-child { padding-bottom: 0; }
.service-number { display: block; font-size: 1rem; font-weight: 600; letter-spacing: .06em; color: var(--accent); margin-bottom: 15px; }
.service-heading h3 { font-size: 1.55rem; line-height: 1.65; margin-bottom: 23px; }
.service-heading > p { color: var(--muted); line-height: 2; }
.service-list { list-style: none; padding: 0; }
.service-list li { position: relative; padding-left: 19px; }
.service-list li::before { content: ""; position: absolute; width: 5px; height: 5px; top: 13px; left: 0; background: var(--accent); }
.service-list li + li { margin-top: 29px; }
.service-list strong { font-size: 1.05rem; font-weight: 700; color: var(--ink); }
.service-list p { margin-top: 9px; line-height: 2; }
.section-top { display: flex; align-items: flex-end; justify-content: space-between; gap: 45px; }
.project-note { color: var(--muted); font-size: .875rem; line-height: 1.9; }
.project-group { margin-top: 52px; }
.project-group > h3 { display: flex; gap: 16px; font-size: 1.1rem; line-height: 1.75; padding-bottom: 17px; border-bottom: 1px solid var(--line); }
.project-group > h3 > span { color: var(--accent); font-size: .875rem; padding-top: 3px; flex-shrink: 0; }
.case-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px; padding-top: 24px; }
.project-case { padding: 28px 25px; background: var(--surface); }
.project-case h4 { font-size: 1.0625rem; line-height: 1.75; }
.project-case p { margin-top: 16px; line-height: 1.95; }
.project-case .case-attribution { display: inline-block; color: var(--muted); font-size: .8125rem; line-height: 1.5; border-left: 2px solid #b9c5cd; padding-left: 8px; }
.project-group:nth-of-type(3) .case-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
.project-group:last-child .project-case { grid-column: span 2; }
.company-table { border-top: 1px solid var(--line); }
.company-table > div { display: grid; grid-template-columns: 132px minmax(0,1fr); gap: 25px; padding-block: 23px; border-bottom: 1px solid var(--line); }
.company-table dt { color: var(--ink); font-weight: 600; }
.company-table dd { overflow-wrap: anywhere; }
.client-list span { display: block; font-weight: 400; }
.pricing-section { background: var(--surface); padding-block: 76px; }
.pricing-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 35px; }
.price-item + .price-item { padding-left: 35px; border-left: 1px solid #cbd5dc; }
.price-item h3 { font-size: 1rem; }
.price { margin-top: 10px; font-size: 2.9rem; line-height: 1.4; color: var(--ink); font-weight: 600; letter-spacing: -.02em; }
.price span { font-size: 1rem; margin-left: 9px; font-weight: 500; }
.price-note { color: var(--muted); font-size: .8125rem; margin-top: 15px; }
.contact-section { background: var(--ink); color: var(--white); padding-block: 78px; }
.contact-inner { display: flex; justify-content: space-between; gap: 60px; align-items: center; }
.contact-section .eyebrow { color: #f49c71; }
.contact-section h2 { font-size: 2rem; color: var(--white); margin-top: 12px; }
.contact-section p:not(.eyebrow) { color: #c8d3db; margin-top: 18px; }
.contact-link { display: flex; align-items: center; justify-content: space-between; gap: 55px; padding: 21px 0; border-bottom: 1px solid #7d8f9c; font-size: clamp(1.25rem, 2.2vw, 1.65rem); }
.contact-link small { display: block; color: #b9c7d1; font-size: .875rem; margin-bottom: 8px; }
.contact-arrow { color: #f49c71; font-size: 2rem; }
.contact-link:hover { border-color: #f49c71; }
.site-footer { background: #102332; color: #b9c7d1; padding-block: 32px; }
.footer-inner { display: flex; align-items: center; gap: 36px; }
.site-footer .wordmark { color: var(--white); font-size: 1.8rem; }
.site-footer .brand-dot { color: #f49c71; }
.site-footer p { font-size: .75rem; }
.back-top { margin-left: auto; font-size: .75rem; letter-spacing: .06em; padding-block: 12px; }
.back-top span { margin-left: 20px; }
.mobile-break { display: none; }
@media (min-width: 1256px) {
  .hero-visual { margin-right: calc((1160px - 100vw) / 2); }
}
@media (max-width: 1050px) {
  .header-inner { padding-inline: 32px; }
  .desktop-nav { gap: 22px; }
  .brand-company { display: none; }
  .container { width: calc(100% - 64px); }
  .hero-inner { gap: 32px; min-height: 600px; }
  .hero-visual { margin-right: -32px; }
  .hero-actions { gap: 16px; }
  .hero-lead { font-size: .9375rem; }
  .service-index a { padding-inline: 18px; font-size: .875rem; gap: 10px; }
  .index-arrow { display: none; }
  .split-layout { grid-template-columns: 1fr 2fr; gap: 40px; }
  .service { gap: 40px; }
  .case-grid { gap: 16px; }
  .project-case { padding: 23px 20px; }
  .contact-inner { gap: 35px; }
  .contact-link { gap: 25px; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 90px; }
  .container { width: calc(100% - 40px); }
  .header-inner { min-height: 72px; padding: 16px 20px; }
  .wordmark { font-size: 2rem; }
  .desktop-nav { display: none; }
  .mobile-menu { display: block; }
  .mobile-menu summary { list-style: none; display: flex; align-items: center; gap: 14px; min-height: 40px; font-size: .8125rem; font-weight: 600; cursor: pointer; }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .menu-symbol { width: 22px; height: 12px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
  .mobile-menu[open] .menu-symbol { border-bottom-color: var(--accent); border-top-color: var(--accent); }
  .mobile-menu nav { position: absolute; top: 100%; left: 0; right: 0; background: var(--white); border-bottom: 1px solid var(--line); padding: 12px 20px 25px; box-shadow: 0 18px 24px #142b3b0a; }
  .mobile-menu nav a { display: block; padding: 16px 6px; border-bottom: 1px solid var(--line); font-size: .9375rem; }
  .mobile-menu nav .nav-contact { color: var(--accent); }
  .hero-inner { display: flex; flex-direction: column; align-items: stretch; gap: 0; min-height: 0; }
  .hero-copy { padding: 53px 0 37px; }
  .hero h1 { font-size: clamp(2rem, 8.5vw, 3.3rem); line-height: 1.5; margin-top: 20px; letter-spacing: -.045em; }
  .hero-lead { font-size: 1rem; margin-top: 25px; }
  .hero-actions { margin-top: 27px; gap: 14px 22px; }
  .button { padding-inline: 18px; gap: 28px; }
  .hero-visual { margin: 0 -20px 0 36px; aspect-ratio: 16/9; }
  .hero-visual img { height: 100%; min-height: 0; object-position: 60% 47%; }
  .service-index { margin-top: 32px; grid-template-columns: 1fr; }
  .service-index a, .service-index a:first-child { padding: 20px 0; gap: 18px; font-size: .9375rem; }
  .service-index a + a { border-left: 0; border-top: 1px solid var(--line); }
  .index-arrow { display: block; margin-right: 8px; }
  .section { padding-block: 70px; }
  .section-heading h2 { font-size: 1.8rem; margin-top: 10px; }
  .split-layout { grid-template-columns: 1fr; gap: 32px; }
  .purpose-copy { font-size: 1.0625rem; line-height: 2.1; }
  .services-section .section-heading { margin-bottom: 35px; }
  .service { grid-template-columns: 1fr; gap: 30px; padding-block: 37px; }
  .service-number { margin-bottom: 10px; }
  .service-heading h3 { font-size: 1.45rem; margin-bottom: 16px; }
  .service-list li + li { margin-top: 25px; }
  .service-list p { line-height: 1.95; }
  .section-top { display: block; }
  .project-note { margin-top: 24px; }
  .project-group { margin-top: 36px; }
  .case-grid, .project-group:nth-of-type(3) .case-grid { grid-template-columns: 1fr; gap: 16px; padding-top: 18px; }
  .project-group:last-child .project-case { grid-column: auto; }
  .project-case { padding: 25px 22px; }
  .project-case .case-attribution { font-size: .8125rem; }
  .company-table > div { grid-template-columns: 90px minmax(0,1fr); gap: 18px; padding-block: 21px; }
  .company-table dt { font-size: .875rem; }
  .company-table dd { font-size: .9375rem; }
  .pricing-grid { gap: 20px; }
  .price-item + .price-item { padding-left: 20px; }
  .price { font-size: 2.4rem; }
  .price span { font-size: .875rem; margin-left: 5px; }
  .contact-section { padding-block: 60px; }
  .contact-inner { display: block; }
  .contact-section h2 { font-size: 1.8rem; }
  .contact-link { margin-top: 28px; font-size: 1.4rem; gap: 18px; }
  .footer-inner { flex-wrap: wrap; gap: 18px 20px; }
  .site-footer p { order: 3; width: 100%; font-size: .75rem; }
  .desktop-break { display: none; }
  .mobile-break { display: block; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}