@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&family=Noto+Sans+JP:wght@400;500;700&display=swap');
:root {
  --base: #545454; --surface: #545454; --paper: #545454; --panel: #545454;
  --ink: #000000; --muted: #080808; --line: rgba(0,0,0,.32); --blue: #7185a5;
  --body: "Inter","Noto Sans JP",sans-serif;
  --jp: "Noto Sans JP",sans-serif;
  --gutter: clamp(22px,5vw,80px);
  --width: 1440px;
}
/* Client-selected A tone, confirmed 2026-09-26: default on every test page. */
:root[data-tone="card"] {
  --base: #545454; --surface: #545454; --paper: #545454; --panel: #545454;
  --muted: #000000;
  --line: rgba(0,0,0,.45);
}
:root[data-tone="previous"] {
  --base:#858585; --surface:#858585; --paper:#858585; --panel:#858585;
  --ink:#000000; --muted:#080808; --line:rgba(0,0,0,.32); --blue:#5c86ff;
}
/* October 1 comparison: a little lighter than #858585, with stronger body text. */
:root[data-tone="lighter"] {
  --base:#929292; --surface:#929292; --paper:#929292; --panel:#929292;
  --ink:#000; --muted:#000; --line:rgba(0,0,0,.35); --blue:#5c86ff;
}
:root[data-tone="lighter"] .hero-jp,
:root[data-tone="lighter"] .lead,
:root[data-tone="lighter"] .intro-body p,
:root[data-tone="lighter"] .approach-grid p,
:root[data-tone="lighter"] .brand-copy > p,
:root[data-tone="lighter"] .cta-copy p,
:root[data-tone="lighter"] .business-list p,
:root[data-tone="lighter"] .business-network > p:last-child,
:root[data-tone="lighter"] .company-info dd { font-weight:700; line-height:2; }
:root[data-tone="card"] .site-header nav a,
:root[data-tone="card"] .footer-nav a,
:root[data-tone="card"] .text-link { font-weight: 700; }
:root[data-tone="card"] .site-header nav a,
:root[data-tone="card"] .footer-nav a { font-size: 13px; }
:root[data-tone="card"] .text-link { font-size: 15px; }
:root[data-tone="card"] h2,
:root[data-tone="card"] h3,
:root[data-tone="card"] .brand-copy h2 { font-weight: 700; }
:root[data-tone="card"] .hero-jp,
:root[data-tone="card"] .lead,
:root[data-tone="card"] .intro-body p,
:root[data-tone="card"] .approach-grid p,
:root[data-tone="card"] .brand-copy > p,
:root[data-tone="card"] .cta-copy p,
:root[data-tone="card"] .business-list p,
:root[data-tone="card"] .business-network > p:last-child,
:root[data-tone="card"] .company-info dd {
  font-weight: 700;
  font-size: 18px;
  line-height: 2;
  letter-spacing: .015em;
}
:root[data-tone="card"] .company-info dt,
:root[data-tone="card"] .business-network-label { font-size: 16px; font-weight: 700; }
:root[data-tone="card"] .button { font-size: 14px; font-weight: 700; }
:root[data-tone="card"] .copyright { font-size: 13px; font-weight: 700; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; color: var(--ink); background: var(--base); font-family: var(--body); font-size: 16px; line-height: 1.8; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
h1,h2,h3,p,figure { margin: 0; }
h1,.display-title { font-family: "Inter",sans-serif; font-weight: 700; font-size: clamp(48px,4.8vw,64px); line-height: 1.02; letter-spacing: -.055em; }
h2 { font-family: var(--jp); font-size: clamp(24px,2.6vw,32px); line-height: 1.55; font-weight: 500; letter-spacing: -.025em; }
h3 { font-weight: 500; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 6px; }
.skip-link { position: absolute; z-index: 10; top: -80px; left: 20px; background: var(--ink); color: var(--base); padding: 10px 20px; }
.skip-link:focus { top: 8px; }
.shell { width: min(100% - var(--gutter)*2,var(--width)); margin-inline: auto; }
.site-header { min-height: 102px; width: min(100% - var(--gutter)*2,var(--width)); margin: auto; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); gap: 28px; }
.brand { display: block; flex: 0 0 auto; position: relative; width: 190px; height: 56px; overflow: hidden; }
.brand img { position: absolute; max-width: none; width: 328px; height: auto; left: -70px; top: -84px; }
.site-header nav { display: flex; flex-wrap:wrap; justify-content:flex-end; align-items: center; gap: 8px clamp(16px,2vw,32px); }
.site-header nav a { display: flex; min-height: 48px; align-items: center; font-size: 12px; font-weight: 500; letter-spacing: .1em; }
.site-header nav a:hover,.site-header nav a[aria-current="page"] { color: var(--blue); }
.site-header nav a:last-child { border-bottom: 2px solid var(--blue); }
.hero,.page-hero { display: grid; grid-template-columns: .95fr 1.05fr; gap: clamp(28px,5vw,80px); padding-block: 48px 56px; align-items: stretch; }
.hero-copy,.page-hero-copy { display: flex; align-items: flex-start; justify-content: center; flex-direction: column; padding-block: 28px; min-width: 0; }
.hero-copy::before,.page-hero-copy::before { content: ""; width: 56px; height: 4px; background: var(--blue); margin-bottom: 32px; }
.hero-jp,.lead { font-family: var(--jp); font-size: 18px; line-height: 1.9; font-weight: 400; margin-top: 28px; }
.hero-media,.page-image { min-width: 0; min-height: 480px; background: #23252a; position: relative; }
.hero-media img,.page-image img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: cover; }
.hero-media img { object-position: 66% center; }
.page-image img { object-position: 64% center; }
.hero-media::after,.page-image::after { content: ""; position: absolute; bottom: 0; left: 0; width: 30%; height: 4px; background: var(--blue); }
.text-link { display: inline-flex; justify-content: space-between; align-items: center; gap: 36px; min-height: 48px; padding: 10px 0; border-bottom: 1px solid var(--ink); font-size: 13px; font-weight: 500; letter-spacing: .06em; }
.text-link span { color: var(--blue); font-size: 22px; line-height: 1; transition: transform .2s; }
.text-link:hover { border-bottom-color: var(--blue); color: var(--blue); }
.text-link:hover span { transform: translate(3px,-3px); }
.hero-copy .text-link { margin-top: 32px; }
.section { padding-block: 72px; border-top: 1px solid var(--line); }
.intro-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: clamp(28px,5vw,80px); }
.intro-body { color: var(--muted); font-family: var(--jp); max-width: 640px; }
.intro-body p { font-size: 16px; line-height: 2; }
.intro-body .text-link { margin-top: 22px; color: var(--ink); font-family: var(--body); }
.approach { background: var(--paper); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 36px; }
.section-heading .display-title { font-size: clamp(36px,4vw,48px); }
.approach-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 32px; }
.approach-grid article { border-top: 2px solid var(--blue); padding-top: 26px; }
.approach-grid h3 { font-family: "Inter",sans-serif; font-size: clamp(26px,2.5vw,32px); letter-spacing: -.04em; line-height: 1.2; margin-bottom: 18px; }
.approach-grid p { font-family: var(--jp); color: var(--muted); font-size: 15px; line-height: 1.95; max-width: 360px; }
.brand-feature,.brand-strip { display: grid; grid-template-columns: 1fr 1fr; align-items: stretch; gap: clamp(28px,5vw,80px); }
.brand-visual { position: relative; min-height: 340px; background: var(--paper); }
.brand-visual img { position: absolute; width: 100%; height: 100%; object-fit: cover; }
.brand-copy { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding-block: 24px; min-width: 0; }
.brand-copy h2 { font-family: "Inter",sans-serif; font-size: clamp(26px,3vw,36px); line-height: 1.15; font-weight: 500; letter-spacing: -.035em; }
.brand-copy h2 sup { font-size: .4em; vertical-align: super; margin-left: 3px; }
.brand-copy > p { font-family: var(--jp); color: var(--muted); font-size: 16px; line-height: 1.95; margin-top: 24px; max-width: 460px; }
.brand-copy .text-link { margin-top: 24px; }
.brand-strip + .brand-strip { margin-top: 48px; padding-top: 48px; border-top: 1px solid var(--line); }
.brand-strip.coming .brand-visual { min-height: 280px; }
.cta { border-top: 1px solid var(--line); background: var(--panel); }
.cta-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; padding-block: 60px; }
.cta h2 { font-family: "Inter",sans-serif; font-size: clamp(36px,4vw,48px); line-height: 1.06; letter-spacing: -.045em; font-weight: 700; }
.cta-copy { max-width: 460px; justify-self: end; }
.cta-copy p { font-family: var(--jp); font-size: 15px; color: var(--muted); line-height: 1.9; }
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: space-between; gap: 40px; padding: 12px 22px; background: var(--ink); color: var(--base); font-size: 13px; letter-spacing: .06em; margin-top: 22px; }
.button span { font-size: 22px; color: var(--ink); }
.button:hover { background: var(--blue); }
.button:hover span { color: var(--ink); }
.site-footer { border-top: 1px solid var(--line); padding-block: 34px; }
.footer-top { display: flex; justify-content: space-between; align-items: center; gap: 28px; }
.footer-brand { font-size: 16px; font-weight: 500; letter-spacing: -.02em; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 12px 26px; }
.footer-nav a { font-size: 12px; padding-block: 8px; }
.footer-nav a:hover { color: var(--blue); }
.copyright { margin-top: 22px; font-size: 11px; color: var(--muted); }
.company-info { display: grid; grid-template-columns: .7fr 1.3fr; gap: 64px; }
.company-info dl { margin: 0; }
.company-info dl > div { display: grid; grid-template-columns: 160px minmax(0,1fr); gap: 24px; padding: 22px 0; border-top: 1px solid var(--line); }
.company-info dl > div:last-child { border-bottom: 1px solid var(--line); }
.company-info dt,.company-info dd { margin: 0; font-family: var(--jp); font-size: 15px; line-height: 1.9; }
.company-info dt { font-weight: 500; }
.company-info dd { color: var(--muted); }
.business-list article { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px,5vw,80px); padding-block: 36px; border-top: 1px solid var(--line); }
.business-list article:last-child { padding-bottom: 0; }
.business-list h2 { font-size: clamp(24px,2.6vw,32px); }
.business-list p { color: var(--muted); font-family: var(--jp); font-size: 16px; line-height: 2; max-width: 580px; align-self: center; }
.business-network { display: grid; grid-template-columns: minmax(220px,.7fr) minmax(0,1.3fr); gap: 12px clamp(28px,5vw,80px); }
.business-network-label { grid-row: 1 / 3; font-family: var(--jp); font-size: 14px; letter-spacing: .12em; }
.business-network h2 { grid-column: 2; margin: 0; }
.business-network > p:last-child { grid-column: 2; max-width: 800px; color: var(--muted); font-family: var(--jp); line-height: 2; }
@media (max-width:760px) { .business-network { grid-template-columns: 1fr; gap: 12px; } .business-network-label,.business-network h2,.business-network > p:last-child { grid-column: 1; grid-row: auto; } }
@media (min-width:1600px) { .hero-media,.page-image { min-height: 520px; } }
@media (max-width:1000px) {
  .hero,.page-hero { gap: 28px; grid-template-columns: 1fr 1fr; }
  h1 { font-size: 48px; }
  .hero-media,.page-image { min-height: 420px; }
  .company-info { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width:760px) {
  .site-header { flex-wrap: wrap; gap: 0; padding-top: 10px; min-height: 0; }
  .brand { width: 174px; height: 62px; }
  .brand img { width: 294px; left: -63px; top: -71px; }
  .site-header nav { width: 100%; justify-content: space-between; gap: 8px; border-top: 1px solid var(--line); }
  .site-header nav a { font-size: 11px; min-height: 48px; letter-spacing: .06em; }
  .hero,.page-hero { grid-template-columns: 1fr; padding-block: 28px 36px; gap: 28px; }
  .hero-copy,.page-hero-copy { padding-block: 0; }
  .hero-copy::before,.page-hero-copy::before { width: 40px; margin-bottom: 22px; height: 3px; }
  h1 { font-size: clamp(38px,11vw,48px); letter-spacing: -.05em; }
  .hero-jp,.lead { margin-top: 24px; font-size: 17px; }
  .hero-copy .text-link { margin-top: 20px; }
  .hero-media,.page-image { min-height: 0; height: auto; aspect-ratio: 1.5; }
  .section { padding-block: 44px; }
  .intro-grid,.brand-feature,.brand-strip,.cta-inner,.business-list article { grid-template-columns: 1fr; gap: 26px; }
  .section-heading { display: block; margin-bottom: 28px; }
  .section-heading .text-link { margin-top: 20px; }
  .section-heading .display-title { font-size: 36px; }
  .approach-grid { grid-template-columns: 1fr; gap: 26px; }
  .approach-grid article { padding-top: 20px; }
  .approach-grid p { max-width: none; }
  .brand-visual { min-height: 0; aspect-ratio: 1.35; }
  .brand-copy { padding-block: 0; }
  .brand-strip.coming .brand-visual { min-height: 0; aspect-ratio: 1.65; }
  .brand-strip + .brand-strip { margin-top: 36px; padding-top: 36px; }
  .cta-inner { padding-block: 42px; }
  .cta h2 { font-size: 36px; }
  .cta-copy { justify-self: start; }
  .footer-top { align-items: flex-start; flex-direction: column; gap: 18px; }
  .footer-nav { gap: 6px 20px; }
  .company-info dl > div { grid-template-columns: 1fr; gap: 8px; padding-block: 18px; }
  .business-list article { gap: 18px; padding-block: 28px; }
}
.hero.hero-wide { position: relative; isolation: isolate; display: flex; align-items: stretch; width: 100%; min-height: 640px; padding: 0; gap: 0; overflow: hidden; }
.hero-wide .hero-copy { position: relative; z-index: 2; width: 54%; margin-left: max(var(--gutter),calc((100% - var(--width))/2)); padding: 72px 0; }
.hero-wide .hero-media { position: absolute; z-index: -1; inset: 0 0 0 35%; min-height: 0; }
.hero-wide .hero-media img { object-position: 65% center; }
.hero-wide .hero-media::after { inset: 0; width: 100%; height: 100%; background: linear-gradient(90deg,var(--base) 0%,rgba(60,60,60,.96) 8%,rgba(60,60,60,.55) 27%,rgba(60,60,60,0) 50%); }
.hero-wide h1 { max-width: 560px; }
@media (max-width:760px) {
  .hero.hero-wide { min-height: 750px; }
  .hero-wide .hero-copy { width: calc(100% - var(--gutter)*2); margin-inline: var(--gutter); justify-content: flex-start; padding: 36px 0 320px; }
  .hero-wide .hero-media { inset: auto 0 0; height: 420px; aspect-ratio: auto; }
  .hero-wide .hero-media::after { background: linear-gradient(180deg,var(--base),rgba(60,60,60,.9) 12%,rgba(60,60,60,0) 55%); }
}
@media (prefers-reduced-motion:reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

/* Frameless neutral layout with distinct copy and photography. */
body { padding-block: 0; }
body > main,.site-header,.site-footer {
  width: 100%;
  max-width: none;
  margin-inline: auto;
  background: var(--surface);
}
.site-header { padding-inline: max(var(--gutter),calc((100% - var(--width))/2)); }
.brand img { filter: brightness(0); }
.hero.hero-wide { background: var(--surface); display: grid; grid-template-columns: 1fr 1fr; min-height: 580px; }
.hero-wide .hero-media { position: relative; z-index: auto; inset: auto; min-height: 580px; }
.hero-wide .hero-media::after { display: none; }
.hero-wide .hero-copy { width: auto; margin: 0; padding: 64px clamp(24px,4vw,64px) 64px max(var(--gutter),calc((100vw - var(--width))/2)); }
.hero-copy::before,.page-hero-copy::before { background: var(--blue); }
.button,.skip-link { background: var(--surface); color: var(--ink); border: 1px solid var(--ink); }
.button:hover { background: #bdbdbd; }
@media (max-width:760px) {
  .hero.hero-wide { grid-template-columns: 1fr; min-height: 0; }
  .hero-wide .hero-copy { width: auto; margin: 0; padding: 36px var(--gutter); }
  /* Explicit heights also reserve the image space in mobile WebViews whose
     grid sizing does not resolve aspect-ratio on an empty absolute-image frame. */
  .hero-wide .hero-media { inset: auto; height: calc(100vw / 1.35); min-height: calc(100vw / 1.35); aspect-ratio: 1.35; }
  .page-image { height: calc((100vw - var(--gutter) * 2) / 1.5); min-height: calc((100vw - var(--gutter) * 2) / 1.5); }
  .brand-visual { height: calc((100vw - var(--gutter) * 2) / 1.35); min-height: calc((100vw - var(--gutter) * 2) / 1.35); }
  .brand-strip.coming .brand-visual { height: calc((100vw - var(--gutter) * 2) / 1.65); min-height: calc((100vw - var(--gutter) * 2) / 1.65); }
}