:root {
    --bg: #FFFFFF;
    --bg-soft: #F4F4F2;
    --bg-faint: #FAFAF8;
    --bg-dark: #0E1116;
    --ink: #0E1116;
    --ink-2: #4A4F58;
    --mute: #8B909A;
    --line: #E5E7EB;
    --line-soft: #EFEFED;
    --hair: #1A1F27;

    --font-en: 'Manrope', 'Inter', sans-serif;
    --font-jp: 'Noto Sans JP', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --nav-h: 72px;
    --pad-x: clamp(20px, 5vw, 64px);

    /* DG motion system */
    --ease-dg: cubic-bezier(0.3, 0.2, 0, 1);
    --ease-img: cubic-bezier(0.1, 0.5, 0.3, 1);
  }

  /* boot lock: hide before splash dismiss */
  html:not(.is-loaded) body { overflow: hidden; }

  * {
    margin: 0; padding: 0; box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
  }
  html {
    scroll-behavior: smooth;
    overflow-x: clip;
  }
  body {
    font-family: var(--font-jp);
    background: var(--bg);
    color: var(--ink);
    line-height: 1.7;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: 'palt';
    overflow-x: clip;
    text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
  }
  /* Lenis touch fix */
  html.lenis { height: auto; }
  html.lenis.lenis-smooth { scroll-behavior: auto !important; }
  html.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
  html.lenis.lenis-stopped { overflow: hidden; }
  a { color: inherit; text-decoration: none; }
  img { max-width: 100%; display: block; }
  ::selection { background: var(--ink); color: var(--bg); }

  .container {
    width: 100%;
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 var(--pad-x);
  }

  /* ===== utility ===== */
  .en {
    font-family: var(--font-en);
    letter-spacing: -0.01em;
  }
  .mono {
    font-family: var(--font-mono);
    letter-spacing: 0.05em;
  }

  /* ===== NAV ===== */
  .nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    height: var(--nav-h);
    background: rgba(255,255,255,0.78);
    backdrop-filter: blur(18px) saturate(1.4);
    -webkit-backdrop-filter: blur(18px) saturate(1.4);
    border-bottom: 1px solid rgba(229,231,235,0.7);
    transition: background 0.3s ease, border-color 0.3s ease;
  }
  .nav .inner {
    height: 100%;
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 var(--pad-x);
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .nav .brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
  }
  .nav .brand img {
    height: 22px;
    width: auto;
  }
  .nav .brand .tag {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--mute);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    padding-left: 12px;
    border-left: 1px solid var(--line);
  }
  .nav .links {
    display: flex;
    gap: 36px;
    align-items: center;
  }
  .nav .links a {
    font-family: var(--font-en);
    font-size: 12.5px;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--ink);
    position: relative;
    padding: 6px 0;
    transition: color 0.2s;
  }
  .nav .links a .ja {
    display: block;
    font-family: var(--font-jp);
    font-size: 9.5px;
    color: var(--mute);
    letter-spacing: 0.1em;
    margin-top: 2px;
    font-weight: 400;
  }
  .nav .links a:hover { color: var(--mute); }

  .nav .nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 38px;
    padding: 0 18px;
    font-family: var(--font-en);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.04em;
    background: var(--ink);
    color: #fff;
    border: 1px solid var(--ink);
    transition: all 0.2s;
  }
  .nav .nav-cta:hover {
    background: transparent;
    color: var(--ink);
  }
  .nav .nav-cta .arrow { font-family: var(--font-mono); transition: transform 0.2s; }
  .nav .nav-cta:hover .arrow { transform: translate(2px, -2px); }

  /* mobile drawer */
  .nav-toggle {
    display: none;
    width: 40px; height: 40px;
    border: 1px solid var(--line);
    background: transparent;
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 0;
  }
  .nav-toggle .bar {
    display: block;
    width: 16px; height: 1.4px;
    background: var(--ink);
    transition: transform 0.3s, opacity 0.2s;
  }
  body.nav-open .nav-toggle .bar:nth-child(1) { transform: translateY(6.4px) rotate(45deg); }
  body.nav-open .nav-toggle .bar:nth-child(2) { opacity: 0; }
  body.nav-open .nav-toggle .bar:nth-child(3) { transform: translateY(-6.4px) rotate(-45deg); }

  .nav-overlay {
    position: fixed; inset: 0;
    background: rgba(14,17,22,0.4);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    z-index: 90;
  }
  body.nav-open .nav-overlay { opacity: 1; pointer-events: auto; }

  .nav-drawer {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: min(86vw, 360px);
    background: var(--bg);
    border-left: 1px solid var(--line);
    z-index: 95;
    padding: 92px 32px 40px;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.2,0.65,0.2,1);
    overflow-y: auto;
  }
  body.nav-open .nav-drawer { transform: translateX(0); }
  body.nav-open { overflow: hidden; }
  .nav-drawer a {
    display: flex;
    align-items: baseline;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid var(--line-soft);
    font-family: var(--font-en);
    font-size: 14px;
    font-weight: 600;
    color: var(--ink);
    transition: padding-left 0.2s;
  }
  .nav-drawer a:hover { padding-left: 6px; }
  .nav-drawer a .num {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--mute);
    letter-spacing: 0.1em;
    min-width: 22px;
  }
  .nav-drawer a .jp {
    font-family: var(--font-jp);
    font-weight: 500;
    font-size: 13px;
    color: var(--ink-2);
    margin-left: auto;
  }

  @media (max-width: 880px) {
    .nav .links, .nav .nav-cta { display: none; }
    .nav-toggle { display: flex; }
  }
  @media (min-width: 881px) {
    .nav-overlay, .nav-drawer { display: none !important; }
  }

  /* ===== HERO ===== */
  .hero {
    position: relative;
    padding: calc(var(--nav-h) + 96px) 0 140px;
    border-bottom: 1px solid var(--line);
    overflow: hidden;
    isolation: isolate;
    background: #0E1116;
    min-height: 100svh;
  }
  @supports not (height: 100svh) {
    .hero { min-height: 100vh; }
  }
  .hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
  }
  .hero-bg video,
  .hero-bg img.hero-poster {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
  }
  .hero-bg img.hero-poster {
    z-index: 1;
  }
  .hero-bg video {
    z-index: 2;
    opacity: 0;
    transform: scale(1.08);
    transition: opacity 1s var(--ease-img) 0.2s, transform 1.6s var(--ease-img) 0.2s;
  }
  .hero-bg video.is-ready { opacity: 1; transform: scale(1); }
  .hero-bg img.hero-poster {
    opacity: 0;
    transform: scale(1.08);
    transition: opacity 0.6s var(--ease-img), transform 1.6s var(--ease-img);
  }
  html.is-loaded .hero-bg img.hero-poster { opacity: 1; transform: scale(1); }
  .hero-veil {
    position: absolute;
    inset: 0;
    z-index: 3;
    pointer-events: none;
    background: linear-gradient(
      rgba(0,0,0,0.58),
      rgba(0,0,0,0.72)
    );
  }
  .hero-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 4;
    pointer-events: none;
    background-image: linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 100px 100%;
  }
  @media (prefers-reduced-motion: reduce) {
    .hero-bg video { display: none; }
  }
  .hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    position: relative;
    z-index: 5;
  }
  .hero-meta {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 80px;
    gap: 32px;
  }
  .hero-meta .mono-label {
    font-family: var(--font-mono);
    font-size: 11px;
    color: rgba(255,255,255,0.65);
    letter-spacing: 0.15em;
    text-transform: uppercase;
  }
  .hero-meta .mono-label .dot {
    display: inline-block;
    width: 6px; height: 6px;
    background: #2bd486;
    border-radius: 50%;
    margin-right: 8px;
    vertical-align: middle;
    transform: translateY(-1px);
    box-shadow: 0 0 12px rgba(43,212,134,0.6);
  }
  .hero h1 {
    font-family: var(--font-en);
    font-weight: 300;
    font-size: clamp(48px, 9vw, 152px);
    line-height: 0.96;
    letter-spacing: -0.035em;
    color: #fff;
    margin-bottom: 56px;
  }
  .hero h1 .line { display: block; }
  .hero h1 .accent {
    font-style: italic;
    font-weight: 200;
    color: rgba(255,255,255,0.55);
  }
  .hero-sub {
    font-family: var(--font-jp);
    font-weight: 600;
    font-size: clamp(20px, 2.5vw, 32px);
    line-height: 1.55;
    letter-spacing: 0.005em;
    color: #fff;
    margin-bottom: 48px;
  }
  .hero-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: end;
    padding-top: 48px;
    border-top: 1px solid rgba(255,255,255,0.22);
  }
  .hero-body .lede {
    font-family: var(--font-jp);
    font-weight: 400;
    font-size: 15.5px;
    line-height: 2;
    color: rgba(255,255,255,0.82);
    max-width: 520px;
  }
  .hero-body .lede strong { font-weight: 700; color: #fff; }
  .hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .hero-stats .stat .k {
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: rgba(255,255,255,0.55);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 8px;
  }
  .hero-stats .stat .v {
    font-family: var(--font-en);
    font-size: clamp(22px, 2.2vw, 28px);
    font-weight: 500;
    color: #fff;
    letter-spacing: -0.01em;
    line-height: 1.1;
  }
  .hero-stats .stat .v small {
    font-family: var(--font-jp);
    font-size: 13px;
    color: rgba(255,255,255,0.7);
    font-weight: 400;
    margin-left: 6px;
  }
  @media (max-width: 880px) {
    .hero { padding: calc(var(--nav-h) + 56px) 0 130px; min-height: 100svh; }
    .hero-meta { margin-bottom: 36px; flex-wrap: wrap; gap: 6px; }
    .hero-meta .mono-label { font-size: 10.5px; letter-spacing: 0.12em; width: 100%; }
    .hero h1 {
      font-size: clamp(46px, 13.5vw, 88px);
      line-height: 1.0;
      margin-bottom: 28px;
      letter-spacing: -0.03em;
    }
    .hero-sub {
      font-size: clamp(18px, 5.4vw, 26px);
      line-height: 1.5;
      margin-bottom: 28px;
    }
    .hero-body { grid-template-columns: 1fr; gap: 28px; padding-top: 24px; }
    .hero-body .lede { font-size: 14.5px; line-height: 1.95; }
    .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .hero-stats .stat .k { font-size: 9.5px; letter-spacing: 0.1em; }
    .hero-stats .stat .v { font-size: 19px; }
    .hero-stats .stat .v small { font-size: 11px; margin-left: 3px; }
  }
  @media (max-width: 420px) {
    .hero h1 { font-size: clamp(40px, 12.5vw, 60px); }
  }

  /* ===== Section base ===== */
  section.block {
    padding: clamp(96px, 14vw, 180px) 0;
    border-bottom: 1px solid var(--line);
    position: relative;
  }
  .section-head {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 56px;
    margin-bottom: 88px;
    align-items: start;
  }
  .section-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--mute);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    padding-top: 12px;
    border-top: 1px solid var(--ink);
    display: inline-block;
    min-width: 180px;
  }
  .section-tag .num {
    color: var(--ink);
    font-weight: 500;
    margin-right: 14px;
  }
  .section-title {
    font-family: var(--font-en);
    font-weight: 300;
    font-size: clamp(40px, 6.4vw, 92px);
    line-height: 1.02;
    letter-spacing: -0.03em;
    color: var(--ink);
    margin-bottom: 32px;
  }
  .section-title .accent { font-style: italic; font-weight: 200; color: var(--ink-2); }
  .section-jp {
    font-family: var(--font-jp);
    font-weight: 600;
    font-size: clamp(18px, 1.8vw, 22px);
    color: var(--ink);
    line-height: 1.7;
    margin-bottom: 24px;
  }
  .section-lede {
    font-family: var(--font-jp);
    font-weight: 400;
    font-size: 15.5px;
    line-height: 2;
    color: var(--ink-2);
    max-width: 580px;
  }
  @media (max-width: 880px) {
    .section-head { grid-template-columns: 1fr; gap: 24px; margin-bottom: 56px; }
    .section-tag { min-width: 140px; }
  }

  /* ===== ABOUT ===== */
  .about-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 72px;
    align-items: start;
  }
  .about-statement {
    font-family: var(--font-jp);
    font-weight: 400;
    font-size: clamp(17px, 1.55vw, 19px);
    line-height: 2;
    color: var(--ink-2);
  }
  .about-statement p { margin-bottom: 28px; }
  .about-statement p:last-child { margin-bottom: 0; }
  .about-statement .hl {
    color: var(--ink);
    font-weight: 600;
    border-bottom: 1px solid var(--ink);
    padding-bottom: 1px;
  }

  .about-meta {
    background: var(--bg-faint);
    border: 1px solid var(--line);
    padding: 40px;
  }
  .about-meta-label {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--mute);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 24px;
  }
  .about-meta dl {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 8px 24px;
    padding: 14px 0;
    border-top: 1px solid var(--line);
  }
  .about-meta dl:last-child { border-bottom: 1px solid var(--line); }
  .about-meta dt {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--mute);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding-top: 2px;
  }
  .about-meta dd {
    font-family: var(--font-jp);
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
  }
  @media (max-width: 880px) {
    .about-grid { grid-template-columns: 1fr; gap: 48px; }
    .about-meta { padding: 32px 24px; }
  }

  /* ===== PURPOSE ===== */
  .purpose {
    background: var(--bg-dark);
    color: #fff;
    border-bottom: none;
  }
  .purpose .section-tag {
    color: rgba(255,255,255,0.5);
    border-top-color: rgba(255,255,255,0.8);
  }
  .purpose .section-tag .num { color: #fff; }
  .purpose .section-title { color: #fff; }
  .purpose .section-title .accent { color: rgba(255,255,255,0.5); }

  .purpose-body {
    padding-top: 32px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 64px;
  }
  .purpose-statement-wrap {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 56px;
    align-items: start;
  }
  .purpose-statement-wrap .sidekick {
    font-family: var(--font-mono);
    font-size: 11px;
    color: rgba(255,255,255,0.45);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding-top: 6px;
  }
  .purpose-statement {
    font-family: var(--font-jp);
    font-weight: 300;
    font-size: clamp(22px, 2.6vw, 34px);
    line-height: 1.85;
    color: rgba(255,255,255,0.92);
    letter-spacing: 0.005em;
    max-width: 880px;
  }
  .purpose-statement p { margin-bottom: 28px; }
  .purpose-statement p:last-child { margin-bottom: 0; }
  .purpose-statement .em {
    font-weight: 700;
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,0.6);
    padding-bottom: 2px;
  }

  .purpose-big {
    margin-top: 24px;
    padding-top: 64px;
    border-top: 1px solid rgba(255,255,255,0.18);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: end;
  }
  .purpose-big h3 {
    font-family: var(--font-en);
    font-weight: 200;
    font-size: clamp(56px, 9vw, 140px);
    line-height: 0.96;
    letter-spacing: -0.035em;
    color: #fff;
  }
  .purpose-big h3 em { font-style: italic; color: rgba(255,255,255,0.5); font-weight: 200; }
  .purpose-big .ja-large {
    font-family: var(--font-jp);
    font-weight: 700;
    font-size: clamp(28px, 3.6vw, 56px);
    line-height: 1.35;
    color: #fff;
    letter-spacing: 0.005em;
  }
  .purpose-big .ja-large small {
    display: block;
    font-family: var(--font-mono);
    font-size: 12px;
    color: rgba(255,255,255,0.55);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-top: 20px;
    font-weight: 400;
  }
  @media (max-width: 880px) {
    .purpose-statement-wrap { grid-template-columns: 1fr; gap: 24px; }
    .purpose-big { grid-template-columns: 1fr; gap: 32px; padding-top: 48px; }
  }

  /* ===== FOCUS ===== */
  .focus-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
  }
  .focus-statement {
    font-family: var(--font-jp);
    font-weight: 400;
    font-size: 16px;
    line-height: 2;
    color: var(--ink-2);
    max-width: 540px;
  }
  .focus-statement p { margin-bottom: 24px; }
  .focus-statement .hl { color: var(--ink); font-weight: 600; }
  .focus-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
  }
  .focus-tags span {
    font-family: var(--font-jp);
    font-size: 13px;
    font-weight: 500;
    padding: 9px 16px;
    border: 1px solid var(--ink);
    color: var(--ink);
    letter-spacing: 0.04em;
  }
  .focus-numbers {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    border-top: 1px solid var(--line);
  }
  .focus-num-row {
    display: grid;
    grid-template-columns: 80px 1fr 1.6fr;
    gap: 32px;
    padding: 28px 0;
    border-bottom: 1px solid var(--line);
    align-items: start;
  }
  .focus-num-row .num {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--mute);
    letter-spacing: 0.1em;
  }
  .focus-num-row .ttl {
    font-family: var(--font-jp);
    font-weight: 700;
    font-size: 16px;
    color: var(--ink);
    line-height: 1.5;
  }
  .focus-num-row .body {
    font-family: var(--font-jp);
    font-weight: 400;
    font-size: 13.5px;
    line-height: 1.85;
    color: var(--ink-2);
  }
  .focus-bridge {
    margin-top: 80px;
    padding: 48px;
    border: 1px solid var(--ink);
    background: var(--bg-faint);
    font-family: var(--font-jp);
    font-weight: 500;
    font-size: clamp(17px, 1.8vw, 22px);
    line-height: 1.85;
    color: var(--ink);
    letter-spacing: 0.005em;
  }
  .focus-bridge .em { font-weight: 800; }
  .focus-bridge .lbl {
    display: block;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--mute);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 16px;
    font-weight: 400;
  }
  @media (max-width: 880px) {
    .focus-grid { grid-template-columns: 1fr; gap: 40px; }
    .focus-num-row { grid-template-columns: 50px 1fr; gap: 16px; }
    .focus-num-row .body { grid-column: 1 / -1; }
    .focus-bridge { padding: 32px 24px; }
  }

  /* ===== BUSINESS ===== */
  .biz-flow {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    margin-bottom: 72px;
    padding: 32px;
    background: var(--bg-faint);
    border: 1px solid var(--line);
  }
  .biz-flow-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
  }
  .biz-flow-step {
    text-align: center;
    padding: 14px 12px;
    position: relative;
  }
  .biz-flow-step + .biz-flow-step::before {
    content: "→";
    position: absolute;
    left: -10px; top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-mono);
    font-size: 16px;
    color: var(--mute);
  }
  .biz-flow-step .ph {
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: var(--mute);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 4px;
  }
  .biz-flow-step .jp {
    font-family: var(--font-jp);
    font-weight: 800;
    font-size: clamp(18px, 2vw, 24px);
    color: var(--ink);
    letter-spacing: 0.02em;
  }

  .biz-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
  }
  .biz-row {
    display: grid;
    grid-template-columns: 80px 1fr 2fr 200px 40px;
    gap: 24px;
    padding: 32px 0;
    border-top: 1px solid var(--line);
    align-items: start;
    transition: padding-left 0.25s ease;
    cursor: pointer;
    position: relative;
  }
  .biz-row:last-child { border-bottom: 1px solid var(--line); }
  .biz-row:hover { padding-left: 12px; background: var(--bg-faint); }
  .biz-row .biz-id {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--mute);
    letter-spacing: 0.1em;
    padding-top: 6px;
  }
  .biz-row .biz-name {
    font-family: var(--font-jp);
    font-weight: 700;
    font-size: 18px;
    color: var(--ink);
    line-height: 1.4;
  }
  .biz-row .biz-name small {
    display: block;
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: var(--mute);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-top: 6px;
    font-weight: 400;
  }
  .biz-row .biz-desc {
    font-family: var(--font-jp);
    font-weight: 400;
    font-size: 14px;
    line-height: 1.85;
    color: var(--ink-2);
  }
  .biz-row .biz-meta {
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: var(--mute);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding-top: 8px;
  }
  .biz-row .biz-meta .tier {
    color: var(--ink);
    font-weight: 600;
    margin-right: 8px;
  }
  .biz-row .biz-arrow {
    font-family: var(--font-mono);
    font-size: 18px;
    color: var(--ink-2);
    padding-top: 6px;
    text-align: right;
    transition: transform 0.2s;
  }
  .biz-row:hover .biz-arrow { transform: translate(4px, -4px); color: var(--ink); }
  @media (max-width: 880px) {
    .biz-flow { padding: 20px; }
    .biz-flow-row { grid-template-columns: 1fr 1fr; gap: 8px; }
    .biz-flow-step + .biz-flow-step::before { display: none; }
    .biz-row {
      grid-template-columns: 60px 1fr 30px;
      grid-template-areas: "id name arrow" "id desc desc" "id meta meta";
      gap: 10px 12px;
      padding: 24px 0;
    }
    .biz-row .biz-id { grid-area: id; }
    .biz-row .biz-name { grid-area: name; font-size: 16px; }
    .biz-row .biz-desc { grid-area: desc; }
    .biz-row .biz-meta { grid-area: meta; padding-top: 4px; }
    .biz-row .biz-arrow { grid-area: arrow; }
    .biz-row:hover { padding-left: 0; }
  }

  /* ===== GROUP / RUFFNOTE ===== */
  .group-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 72px;
    align-items: start;
  }
  .group-statement {
    font-family: var(--font-jp);
    font-weight: 400;
    font-size: 15.5px;
    line-height: 2;
    color: var(--ink-2);
  }
  .group-statement p { margin-bottom: 24px; }
  .group-statement .hl { color: var(--ink); font-weight: 700; }
  .group-mission {
    font-family: var(--font-jp);
    font-weight: 700;
    font-size: clamp(20px, 2.2vw, 28px);
    line-height: 1.6;
    color: var(--ink);
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--line);
  }
  .group-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    margin-top: 32px;
    font-family: var(--font-en);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.04em;
    border: 1px solid var(--ink);
    background: var(--ink);
    color: #fff;
    transition: all 0.2s;
  }
  .group-cta:hover { background: transparent; color: var(--ink); }
  .group-cta .arrow { font-family: var(--font-mono); transition: transform 0.2s; }
  .group-cta:hover .arrow { transform: translate(2px, -2px); }

  .group-diagram {
    background: var(--bg-faint);
    border: 1px solid var(--line);
    padding: 40px 32px;
  }
  .group-diagram .lbl {
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: var(--mute);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 24px;
    text-align: center;
  }
  .group-stack {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .group-layer {
    background: #fff;
    border: 1px solid var(--line);
    padding: 18px 20px;
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 16px;
    align-items: center;
  }
  .group-layer.shared {
    background: var(--ink);
    color: #fff;
    border-color: var(--ink);
  }
  .group-layer .badge {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    color: var(--mute);
    text-transform: uppercase;
  }
  .group-layer.shared .badge { color: rgba(255,255,255,0.55); }
  .group-layer .info .name {
    font-family: var(--font-jp);
    font-weight: 700;
    font-size: 14.5px;
    margin-bottom: 4px;
  }
  .group-layer .info .role {
    font-family: var(--font-jp);
    font-size: 12.5px;
    color: var(--ink-2);
    line-height: 1.55;
  }
  .group-layer.shared .info .role { color: rgba(255,255,255,0.78); }
  .group-arrow {
    text-align: center;
    font-family: var(--font-mono);
    color: var(--mute);
    font-size: 14px;
  }

  .group-meta {
    margin-top: 64px;
    padding-top: 32px;
    border-top: 1px solid var(--line);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
  }
  .group-meta dl dt {
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: var(--mute);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 8px;
  }
  .group-meta dl dd {
    font-family: var(--font-jp);
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
  }
  @media (max-width: 880px) {
    .group-grid { grid-template-columns: 1fr; gap: 40px; }
    .group-meta { grid-template-columns: 1fr 1fr; gap: 24px; }
    .group-diagram { padding: 28px 20px; }
  }

  /* ===== STRENGTH ===== */
  .strength-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border-top: 1px solid var(--ink);
  }
  .strength-card {
    padding: 40px 32px 40px 0;
    border-right: 1px solid var(--line);
    position: relative;
  }
  .strength-card:last-child { border-right: none; padding-right: 0; }
  .strength-card .num {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--mute);
    letter-spacing: 0.15em;
    margin-bottom: 32px;
  }
  .strength-card .icon {
    width: 44px;
    height: 44px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--ink);
  }
  .strength-card .icon svg { width: 22px; height: 22px; stroke: var(--ink); fill: none; stroke-width: 1.5; }
  .strength-card h3 {
    font-family: var(--font-jp);
    font-weight: 700;
    font-size: 18px;
    line-height: 1.55;
    color: var(--ink);
    margin-bottom: 16px;
    min-height: 84px;
  }
  .strength-card h3 small {
    display: block;
    font-family: var(--font-en);
    font-size: 11px;
    color: var(--mute);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 12px;
    font-weight: 500;
  }
  .strength-card p {
    font-family: var(--font-jp);
    font-weight: 400;
    font-size: 13.5px;
    line-height: 1.9;
    color: var(--ink-2);
  }
  @media (max-width: 880px) {
    .strength-grid { grid-template-columns: 1fr; }
    .strength-card { border-right: none; border-bottom: 1px solid var(--line); padding: 32px 0; }
    .strength-card:last-child { border-bottom: none; }
    .strength-card h3 { min-height: 0; }
  }

  /* ===== WORKS ===== */
  .works-stage {
    margin-bottom: 80px;
  }
  .works-stage-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--line);
    margin-bottom: 32px;
  }
  .works-stage-head .ttl {
    font-family: var(--font-en);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.03em;
    color: var(--ink);
  }
  .works-stage-head .ttl .jp {
    font-family: var(--font-jp);
    font-size: 13px;
    color: var(--ink-2);
    font-weight: 500;
    margin-left: 14px;
    padding-left: 14px;
    border-left: 1px solid var(--line);
  }
  .works-stage-head .src {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--mute);
    letter-spacing: 0.08em;
  }
  .works-stage-head .src a:hover { color: var(--ink); }

  .logos-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
  }
  .logo-cell {
    background: #fff;
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    transition: background 0.2s;
  }
  .logo-cell:hover { background: var(--bg-faint); }
  .logo-cell img {
    max-width: 80%;
    max-height: 60%;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: filter 0.25s, opacity 0.25s;
  }
  .logo-cell:hover img { filter: grayscale(0%); opacity: 1; }
  @media (max-width: 880px) {
    .logos-grid { grid-template-columns: repeat(3, 1fr); }
    .works-stage-head { flex-direction: column; gap: 8px; }
  }

  .engagements {
    margin-top: 88px;
    padding-top: 64px;
    border-top: 1px solid var(--line);
  }
  .engagements .sub-title {
    font-family: var(--font-jp);
    font-weight: 700;
    font-size: clamp(22px, 2.4vw, 28px);
    line-height: 1.5;
    color: var(--ink);
    margin-bottom: 16px;
  }
  .engagements .sub-lede {
    font-family: var(--font-jp);
    font-size: 14.5px;
    line-height: 1.9;
    color: var(--ink-2);
    margin-bottom: 48px;
    max-width: 720px;
  }
  .eng-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .eng-card {
    background: #fff;
    border: 1px solid var(--line);
    padding: 32px;
    transition: border-color 0.2s, transform 0.25s;
  }
  .eng-card:hover { border-color: var(--ink); transform: translateY(-2px); }
  .eng-card .head {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 24px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
    align-items: center;
  }
  .eng-card .code {
    font-family: var(--font-en);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.05em;
    padding: 5px 12px;
    background: var(--ink);
    color: #fff;
  }
  .eng-card .tag {
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--mute);
  }
  .eng-card .stage {
    margin-left: auto;
    font-family: var(--font-jp);
    font-size: 11.5px;
    font-weight: 600;
    color: #1ea069;
    padding: 4px 10px;
    border: 1px solid #1ea069;
    border-radius: 2px;
  }
  .eng-card .industry {
    font-family: var(--font-jp);
    font-weight: 700;
    font-size: 15.5px;
    color: var(--ink);
    line-height: 1.6;
    margin-bottom: 20px;
  }
  .eng-card dl {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .eng-card .row {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 16px;
    font-family: var(--font-jp);
    font-size: 13px;
    line-height: 1.8;
  }
  .eng-card .row dt {
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: var(--mute);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding-top: 4px;
  }
  .eng-card .row dd { color: var(--ink-2); }
  @media (max-width: 880px) {
    .eng-grid { grid-template-columns: 1fr; }
    .eng-card { padding: 24px 20px; }
    .eng-card .row { grid-template-columns: 84px 1fr; }
  }

  /* ===== CONTACT ===== */
  .contact {
    background: var(--bg-dark);
    color: #fff;
    padding: clamp(120px, 18vw, 220px) 0;
    border-bottom: 1px solid var(--hair);
    position: relative;
    overflow: hidden;
  }
  .contact::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 100px 100%;
    pointer-events: none;
  }
  .contact .container { position: relative; z-index: 2; }
  .contact-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    color: rgba(255,255,255,0.55);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    border-top: 1px solid #fff;
    padding-top: 12px;
    display: inline-block;
    min-width: 180px;
    margin-bottom: 56px;
  }
  .contact-tag .num { color: #fff; font-weight: 500; margin-right: 14px; }
  .contact h2 {
    font-family: var(--font-en);
    font-weight: 200;
    font-size: clamp(48px, 8vw, 128px);
    line-height: 1.0;
    letter-spacing: -0.035em;
    color: #fff;
    margin-bottom: 40px;
    max-width: 1100px;
  }
  .contact h2 em { font-style: italic; color: rgba(255,255,255,0.45); font-weight: 200; }
  .contact .jp-sub {
    font-family: var(--font-jp);
    font-weight: 600;
    font-size: clamp(20px, 2.2vw, 28px);
    line-height: 1.6;
    color: #fff;
    margin-bottom: 48px;
    max-width: 760px;
  }
  .contact .lede {
    font-family: var(--font-jp);
    font-weight: 300;
    font-size: 16px;
    line-height: 2;
    color: rgba(255,255,255,0.72);
    max-width: 620px;
    margin-bottom: 56px;
  }
  .contact-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
  }
  .contact .btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 32px;
    font-family: var(--font-en);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.05em;
    background: #fff;
    color: var(--ink);
    border: 1px solid #fff;
    transition: all 0.2s;
  }
  .contact .btn:hover { background: transparent; color: #fff; }
  .contact .btn.ghost {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.4);
  }
  .contact .btn.ghost:hover { border-color: #fff; }
  .contact .btn .arrow { font-family: var(--font-mono); transition: transform 0.2s; }
  .contact .btn:hover .arrow { transform: translate(2px, -2px); }
  .contact-note {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.16);
    font-family: var(--font-jp);
    font-size: 12.5px;
    color: rgba(255,255,255,0.55);
    line-height: 1.85;
    max-width: 620px;
  }

  /* ===== FOOTER ===== */
  footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,0.72);
    padding: 80px 0 32px;
  }
  .foot-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 56px;
    margin-bottom: 64px;
  }
  .foot-brand .logo {
    font-family: var(--font-en);
    font-weight: 700;
    font-size: 28px;
    letter-spacing: -0.03em;
    color: #fff;
    margin-bottom: 16px;
  }
  .foot-brand p {
    font-family: var(--font-jp);
    font-weight: 300;
    font-size: 13px;
    line-height: 1.85;
    color: rgba(255,255,255,0.55);
    max-width: 320px;
  }
  .foot-col h5 {
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: rgba(255,255,255,0.4);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.12);
  }
  .foot-col ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
  .foot-col li {
    font-family: var(--font-jp);
    font-size: 13px;
    color: rgba(255,255,255,0.78);
  }
  .foot-col li a { transition: color 0.2s; }
  .foot-col li a:hover { color: #fff; }
  .foot-bottom {
    border-top: 1px solid rgba(255,255,255,0.12);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: rgba(255,255,255,0.4);
    letter-spacing: 0.12em;
  }
  .foot-bottom .signature .en { color: rgba(255,255,255,0.65); font-weight: 600; }
  @media (max-width: 880px) {
    .foot-grid { grid-template-columns: 1fr 1fr; gap: 40px 24px; }
    .foot-bottom { flex-direction: column; gap: 12px; text-align: center; }
  }

  /* ===== REVEAL (DG motion system) ===== */
  .reveal {
    opacity: 0;
    transform: translate3d(0, 28px, 0);
    transition: opacity 0.8s var(--ease-dg), transform 0.8s var(--ease-dg);
    transition-delay: var(--d, 0s);
  }
  .reveal.in, .reveal.is-v { opacity: 1; transform: translate3d(0,0,0); }
  .reveal.d1 { --d: 0.08s; }
  .reveal.d2 { --d: 0.16s; }
  .reveal.d3 { --d: 0.24s; }
  .reveal.d4 { --d: 0.32s; }
  .reveal.d5 { --d: 0.40s; }

  /* r-hdn: line-mask slide-up (DG a--hdn / a--lineSplit equivalent) */
  .r-hdn {
    display: block;
    overflow: hidden;
    padding-bottom: 0.04em;
    line-height: inherit;
  }
  .r-hdn-i {
    display: inline-block;
    transform: translate3d(0, 110%, 0);
    transition: transform 0.95s var(--ease-dg);
    transition-delay: var(--d, 0s);
    will-change: transform;
  }
  .r-grp.is-v .r-hdn-i, .r-hdn.is-v .r-hdn-i, .is-v .r-hdn-i {
    transform: translate3d(0, 0, 0);
  }

  /* r-ty: translate+opacity (DG a--ty) */
  .r-ty {
    opacity: 0;
    transform: translate3d(0, 24px, 0);
    transition: opacity 0.7s var(--ease-dg), transform 0.8s var(--ease-dg);
    transition-delay: var(--d, 0s);
  }
  .r-ty.is-v, .is-v .r-ty { opacity: 1; transform: translate3d(0,0,0); }

  /* r-op / r-sop: opacity-only (DG a--op / a--sop) */
  .r-op {
    opacity: 0;
    transition: opacity 0.5s var(--ease-dg);
    transition-delay: var(--d, 0s);
  }
  .r-op.is-v, .is-v .r-op { opacity: 1; }
  .r-sop {
    opacity: 0;
    transition: opacity 1s var(--ease-dg);
    transition-delay: var(--d, 0s);
  }
  .r-sop.is-v, .is-v .r-sop { opacity: 1; }

  /* r-line: scaleX line (DG a--line) */
  .r-line {
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.95s var(--ease-dg);
    transition-delay: var(--d, 0s);
  }
  .r-line.is-v, .is-v .r-line { transform: scaleX(1); }

  /* r-scale: scale+opacity (DG a--scale) */
  .r-scale {
    opacity: 0;
    transform: scale(1.05);
    transition: opacity 0.6s var(--ease-dg), transform 0.7s var(--ease-dg);
    transition-delay: var(--d, 0s);
  }
  .r-scale.is-v, .is-v .r-scale { opacity: 1; transform: scale(1); }

  /* r-img: image scale 1.08 -> 1 + opacity (DG c--img) */
  .r-img {
    opacity: 0;
    transform: scale(1.08);
    transition: opacity 0.5s var(--ease-img), transform 0.9s var(--ease-img);
    transition-delay: var(--d, 0s);
  }
  .r-img.is-v, .is-v .r-img { opacity: 1; transform: scale(1); }

  /* r-card: small lift + opacity (DG a--card) */
  .r-card {
    opacity: 0;
    transform: translate3d(0, 18px, 0);
    transition: opacity 0.6s var(--ease-dg), transform 0.7s var(--ease-dg);
    transition-delay: var(--d, 0s);
  }
  .r-card.is-v, .is-v .r-card { opacity: 1; transform: translate3d(0,0,0); }

  /* r-blop: blur fade (DG a--blop) */
  .r-blop {
    opacity: 0;
    filter: blur(8px);
    transition: opacity 0.9s var(--ease-dg), filter 0.9s var(--ease-dg);
    transition-delay: var(--d, 0s);
  }
  .r-blop.is-v, .is-v .r-blop { opacity: 1; filter: none; }

  /* r-icon: scale + rotate (DG a--icon) */
  .r-icon {
    opacity: 0;
    transform: scale(0.85) rotate(-8deg);
    transition: opacity 0.9s var(--ease-dg), transform 1s var(--ease-dg);
    transition-delay: var(--d, 0s);
  }
  .r-icon.is-v, .is-v .r-icon { opacity: 1; transform: scale(1) rotate(0deg); }

  /* ===== BOOT SPLASH ===== */
  .boot-splash {
    position: fixed; inset: 0;
    z-index: 9999;
    background: #0E1116;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    transition: opacity 0.8s var(--ease-dg) 0.25s, visibility 0s linear 1.05s;
  }
  .boot-splash .bs-line {
    width: 240px;
    height: 1px;
    background: rgba(255,255,255,0.18);
    position: relative;
    overflow: hidden;
  }
  .boot-splash .bs-line::after {
    content: "";
    position: absolute;
    inset: 0;
    background: #fff;
    transform: scaleX(0);
    transform-origin: left center;
    animation: bs-load 1.4s cubic-bezier(0.5, 0, 0.2, 1) forwards;
  }
  .boot-splash .bs-mark {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, calc(-50% - 36px));
    font-family: var(--font-en);
    font-size: 12px;
    font-weight: 500;
    color: rgba(255,255,255,0.7);
    letter-spacing: 0.32em;
    text-transform: uppercase;
    opacity: 0;
    animation: bs-mark-in 0.6s var(--ease-dg) 0.1s forwards;
  }
  @keyframes bs-load { 0%{transform:scaleX(0);} 100%{transform:scaleX(1);} }
  @keyframes bs-mark-in { to { opacity: 1; } }
  html.is-loaded .boot-splash {
    opacity: 0;
    visibility: hidden;
  }

  /* ===== CUSTOM CURSOR (DG-style thin line, PC only) ===== */
  .dg-cursor {
    position: fixed;
    top: 0; left: 0;
    width: 64px;
    height: 1px;
    background: #111;
    pointer-events: none;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s var(--ease-dg), width 0.35s var(--ease-dg), background 0.3s var(--ease-dg);
    mix-blend-mode: difference;
    will-change: transform;
  }
  html.has-cursor .dg-cursor { opacity: 1; background: #fff; }
  html.cursor-hover .dg-cursor { width: 132px; }
  html.cursor-out .dg-cursor { opacity: 0; }
  @media (hover: none), (pointer: coarse) {
    .dg-cursor { display: none !important; }
  }

  /* ===== Nav link underline (DG-style) ===== */
  .nav .links a {
    overflow: hidden;
    position: relative;
  }
  .nav .links a::before {
    content: "";
    position: absolute;
    left: 0; bottom: 0;
    width: 100%; height: 1px;
    background: var(--ink);
    transform: scaleX(0);
    transform-origin: right center;
    transition: transform 0.45s var(--ease-dg);
  }
  .nav .links a:hover::before {
    transform: scaleX(1);
    transform-origin: left center;
  }

  /* ===== Hero scroll parallax helper ===== */
  .hero-bg {
    transform: translate3d(0, var(--hero-parallax, 0px), 0) scale(var(--hero-scale, 1));
    transform-origin: center top;
    transition: transform 0.05s linear;
  }
  @media (max-width: 880px) {
    /* SPでは重いのでパララックス控えめ */
    .hero-bg {
      transform: none !important;
      transition: none !important;
    }
  }

  /* ===== Splash on SP: 軽量化（短縮） ===== */
  @media (max-width: 880px) {
    .boot-splash .bs-line { width: 180px; }
    .boot-splash .bs-line::after { animation-duration: 1.0s; }
    .boot-splash { transition: opacity 0.55s var(--ease-dg) 0.15s, visibility 0s linear 0.7s; }
    .boot-splash .bs-mark { font-size: 11px; letter-spacing: 0.28em; }
  }

  /* ===== Section padding tighter on SP ===== */
  @media (max-width: 880px) {
    section.block { padding: 72px 0; }
    .section-head { margin-bottom: 40px; gap: 16px; }
    .section-title { font-size: clamp(38px, 11vw, 68px) !important; line-height: 1.0; }
    .section-jp { font-size: clamp(17px, 4.5vw, 22px) !important; }
    .section-lede { font-size: 14.5px; line-height: 1.95; }
    .focus-bridge { font-size: 15px; line-height: 1.85; padding: 28px 22px; margin-top: 48px; }
    .strength-card h3 { font-size: 16.5px; }
    .group-mission { font-size: clamp(19px, 5vw, 24px) !important; padding-bottom: 24px; margin-bottom: 24px; }
    .group-statement { font-size: 14.5px; }
    .biz-flow-step .jp { font-size: clamp(17px, 5vw, 22px); }
    .biz-flow-step .ph { font-size: 9.5px; letter-spacing: 0.12em; }
    .eng-card .industry { font-size: 14.5px; }
    .eng-card .head { gap: 6px; }
    .eng-card .stage { margin-left: 0; }
    .contact { padding: 88px 0; }
    .contact h2 { font-size: clamp(40px, 12vw, 72px) !important; }
    .contact .jp-sub { font-size: clamp(18px, 5vw, 24px) !important; }
    .contact .lede { font-size: 14.5px; }
    .contact-actions { flex-direction: column; }
    .contact .btn { width: 100%; justify-content: space-between; }
    .contact-tag { margin-bottom: 32px; min-width: 140px; }
  }

  /* ===== Tap feedback on cards/rows ===== */
  @media (hover: none) and (pointer: coarse) {
    .biz-row:active { background: var(--bg-faint); }
    .eng-card:active { border-color: var(--ink); transform: translateY(-1px); }
    .group-cta:active, .nav .nav-cta:active, .contact .btn:active { transform: scale(0.98); }
    .logo-cell:active { background: var(--bg-faint); }
    .logo-cell img { filter: none !important; opacity: 0.85 !important; }
    /* SPはアニメ依存少なめ */
    .reveal { transition-duration: 0.6s !important; }
    .r-hdn-i { transition-duration: 0.7s !important; }
  }

  /* Reduced motion: kill almost everything */
  @media (prefers-reduced-motion: reduce) {
    .reveal, .r-ty, .r-op, .r-sop, .r-line, .r-scale, .r-img, .r-card, .r-blop, .r-icon, .r-hdn-i {
      opacity: 1 !important;
      transform: none !important;
      filter: none !important;
      transition: none !important;
    }
    .boot-splash { display: none !important; }
  }

  /* hero-marquee */
  .marquee {
    position: absolute;
    bottom: 32px; left: 0; right: 0;
    overflow: hidden;
    padding: 12px 0;
    border-top: 1px solid rgba(255,255,255,0.18);
    border-bottom: 1px solid rgba(255,255,255,0.18);
    background: rgba(0,0,0,0.32);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 6;
  }
  .marquee .track {
    display: inline-flex;
    gap: 56px;
    white-space: nowrap;
    animation: scroll 38s linear infinite;
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: rgba(255,255,255,0.72);
    letter-spacing: 0.16em;
    text-transform: uppercase;
  }
  .marquee .track span::after {
    content: "●";
    margin-left: 56px;
    color: rgba(255,255,255,0.25);
  }
  @media (max-width: 880px) {
    .marquee {
      bottom: 16px;
      padding: 9px 0;
    }
    .marquee .track {
      gap: 36px;
      font-size: 10px;
      letter-spacing: 0.14em;
      animation-duration: 28s;
    }
    .marquee .track span::after { margin-left: 36px; }
  }
  @keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
  }

/* ============================================================
   PAGE-LEVEL STYLES (Company / Business / Group / News / Contact)
   ============================================================ */

/* nav active state */
.nav .links a.is-current {
  color: var(--ink);
}
.nav .links a.is-current::before {
  transform: scaleX(1);
  transform-origin: left center;
}

/* compact page hero (subpages) */
.page-hero {
  position: relative;
  padding: calc(var(--nav-h) + 88px) 0 88px;
  background: var(--bg-dark);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
  border-bottom: 1px solid var(--hair);
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 100px 100%;
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero .crumb {
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 64px;
}
.page-hero .crumb a { color: rgba(255,255,255,0.55); transition: color 0.2s; }
.page-hero .crumb a:hover { color: #fff; }
.page-hero .crumb .sep { margin: 0 12px; color: rgba(255,255,255,0.3); }
.page-hero h1 {
  font-family: var(--font-en);
  font-weight: 200;
  font-size: clamp(56px, 11vw, 168px);
  line-height: 0.96;
  letter-spacing: -0.035em;
  color: #fff;
  margin-bottom: 40px;
}
.page-hero h1 em { font-style: italic; font-weight: 200; color: rgba(255,255,255,0.5); }
.page-hero .jp-sub {
  font-family: var(--font-jp);
  font-weight: 600;
  font-size: clamp(20px, 2.4vw, 30px);
  line-height: 1.55;
  color: #fff;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.22);
  max-width: 720px;
}
.page-hero .lede {
  font-family: var(--font-jp);
  font-weight: 300;
  font-size: 15.5px;
  line-height: 2;
  color: rgba(255,255,255,0.78);
  max-width: 580px;
}
@media (max-width: 880px) {
  .page-hero { padding: calc(var(--nav-h) + 48px) 0 56px; }
  .page-hero .crumb { margin-bottom: 32px; font-size: 10px; }
  .page-hero h1 { font-size: clamp(46px, 14vw, 80px); margin-bottom: 24px; }
  .page-hero .jp-sub { font-size: clamp(18px, 5vw, 24px); padding-bottom: 24px; margin-bottom: 24px; }
  .page-hero .lede { font-size: 14.5px; }
}

/* ============== Company page ============== */
.company-profile dl {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.company-profile dl:first-child { border-top: 1px solid var(--ink); }
.company-profile dt {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mute);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding-top: 4px;
}
.company-profile dd {
  font-family: var(--font-jp);
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.8;
}
@media (max-width: 720px) {
  .company-profile dl { grid-template-columns: 110px 1fr; gap: 12px; padding: 16px 0; }
  .company-profile dt { font-size: 10px; }
  .company-profile dd { font-size: 14px; }
}

.message-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 72px;
  align-items: start;
}
.message-portrait {
  background: var(--bg-faint);
  border: 1px solid var(--line);
  padding: 40px 32px;
  text-align: center;
  position: sticky;
  top: 100px;
}
.message-portrait .role-en {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mute);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.message-portrait .name-jp {
  font-family: var(--font-jp);
  font-weight: 700;
  font-size: 22px;
  color: var(--ink);
  margin-bottom: 4px;
}
.message-portrait .name-en {
  font-family: var(--font-en);
  font-size: 13px;
  color: var(--ink-2);
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}
.message-portrait .role-jp {
  font-family: var(--font-jp);
  font-size: 12.5px;
  color: var(--ink-2);
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.message-body {
  font-family: var(--font-jp);
  font-weight: 400;
  font-size: 16px;
  line-height: 2;
  color: var(--ink-2);
}
.message-body p { margin-bottom: 28px; }
.message-body .hl {
  color: var(--ink);
  font-weight: 700;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 1px;
}
.message-body .signature {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-family: var(--font-jp);
  font-size: 13px;
  color: var(--ink);
  font-weight: 600;
}
@media (max-width: 880px) {
  .message-grid { grid-template-columns: 1fr; gap: 32px; }
  .message-portrait { position: static; padding: 28px 24px; }
}

.history-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.history-row {
  display: grid;
  grid-template-columns: 120px 200px 1fr;
  gap: 32px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.history-row:last-child { border-bottom: 1px solid var(--line); }
.history-row .ym {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
  font-weight: 500;
  letter-spacing: 0.05em;
  padding-top: 2px;
}
.history-row .tag {
  font-family: var(--font-jp);
  font-weight: 700;
  font-size: 14px;
  color: var(--ink);
}
.history-row .desc {
  font-family: var(--font-jp);
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-2);
}
@media (max-width: 720px) {
  .history-row { grid-template-columns: 90px 1fr; grid-template-areas: "ym tag" "ym desc"; gap: 8px 16px; }
  .history-row .ym { grid-area: ym; font-size: 11px; }
  .history-row .tag { grid-area: tag; font-size: 13.5px; }
  .history-row .desc { grid-area: desc; font-size: 13px; }
}

/* members re-style */
.members-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}
.member-card {
  background: #fff;
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
}
.member-card .m-role {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--mute);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.member-card .m-name {
  font-family: var(--font-jp);
  font-weight: 700;
  font-size: 22px;
  color: var(--ink);
  margin-bottom: 4px;
}
.member-card .m-name-en {
  font-family: var(--font-en);
  font-size: 13px;
  color: var(--ink-2);
  letter-spacing: 0.04em;
  margin-bottom: 24px;
}
.member-card .m-bio {
  font-family: var(--font-jp);
  font-size: 13px;
  line-height: 1.85;
  color: var(--ink-2);
}
@media (max-width: 720px) {
  .members-grid { grid-template-columns: 1fr; }
  .member-card { padding: 28px 24px; }
  .member-card .m-name { font-size: 19px; }
}

/* ============== Business page ============== */
.biz-overview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: 80px;
}
.biz-phase {
  background: #fff;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.biz-phase .ph-num {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--mute);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.biz-phase .ph-jp {
  font-family: var(--font-jp);
  font-weight: 800;
  font-size: 28px;
  color: var(--ink);
  letter-spacing: 0.02em;
  line-height: 1.2;
}
.biz-phase .ph-en {
  font-family: var(--font-en);
  font-size: 12px;
  color: var(--ink-2);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.biz-phase .ph-desc {
  font-family: var(--font-jp);
  font-size: 13px;
  line-height: 1.85;
  color: var(--ink-2);
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
@media (max-width: 880px) {
  .biz-overview { grid-template-columns: 1fr 1fr; }
  .biz-phase { padding: 24px 20px; }
  .biz-phase .ph-jp { font-size: 22px; }
}

.biz-services {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.biz-service {
  display: grid;
  grid-template-columns: 90px 280px 1fr 160px 40px;
  gap: 32px;
  padding: 40px 0;
  border-top: 1px solid var(--line);
  align-items: start;
  transition: padding-left 0.3s var(--ease-dg), background 0.3s var(--ease-dg);
  cursor: pointer;
}
.biz-service:last-child { border-bottom: 1px solid var(--line); }
.biz-service:hover { padding-left: 16px; background: var(--bg-faint); }
.biz-service:hover .biz-service-arrow { transform: translate(4px, -4px); }
.biz-service .biz-service-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mute);
  letter-spacing: 0.1em;
  padding-top: 8px;
}
.biz-service .biz-service-num .phase {
  display: block;
  color: var(--ink);
  font-weight: 600;
  margin-bottom: 4px;
}
.biz-service .biz-service-title {
  font-family: var(--font-jp);
  font-weight: 700;
  font-size: 24px;
  color: var(--ink);
  line-height: 1.3;
}
.biz-service .biz-service-title .en {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mute);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 8px;
  font-weight: 400;
}
.biz-service .biz-service-body {
  font-family: var(--font-jp);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-2);
}
.biz-service .biz-service-body .copy {
  display: block;
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
  margin-bottom: 8px;
}
.biz-service .biz-service-meta {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--mute);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding-top: 12px;
  text-align: right;
}
.biz-service .biz-service-meta .tier {
  display: block;
  color: var(--ink);
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 12px;
}
.biz-service .biz-service-arrow {
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--ink-2);
  padding-top: 4px;
  text-align: right;
  transition: transform 0.25s var(--ease-dg);
}
@media (max-width: 880px) {
  .biz-service {
    grid-template-columns: 60px 1fr 30px;
    grid-template-areas:
      "num title arrow"
      "num body  body"
      "num meta  meta";
    gap: 12px 16px;
    padding: 28px 0;
  }
  .biz-service .biz-service-num { grid-area: num; font-size: 10px; }
  .biz-service .biz-service-title { grid-area: title; font-size: 19px; }
  .biz-service .biz-service-body { grid-area: body; font-size: 13.5px; }
  .biz-service .biz-service-body .copy { font-size: 14.5px; }
  .biz-service .biz-service-meta { grid-area: meta; text-align: left; padding-top: 4px; }
  .biz-service .biz-service-arrow { grid-area: arrow; }
  .biz-service:hover { padding-left: 0; }
}

/* ============== Group page ============== */
.group-hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  align-items: start;
}
.group-hero-grid .lhs {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.85;
  color: var(--ink);
}
.group-hero-grid .lhs p { margin-bottom: 28px; }
.group-hero-grid .lhs .hl { font-weight: 700; }
.group-card {
  background: var(--bg-faint);
  border: 1px solid var(--line);
  padding: 40px 32px;
}
.group-card .label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--mute);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.group-card .ttl {
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 28px;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.group-card dl { display: grid; grid-template-columns: 110px 1fr; gap: 8px 16px; padding: 12px 0; border-top: 1px solid var(--line); }
.group-card dl:last-of-type { border-bottom: 1px solid var(--line); margin-bottom: 24px; }
.group-card dt { font-family: var(--font-mono); font-size: 10.5px; color: var(--mute); letter-spacing: 0.08em; text-transform: uppercase; }
.group-card dd { font-family: var(--font-jp); font-size: 13.5px; color: var(--ink); font-weight: 500; }
@media (max-width: 880px) {
  .group-hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .group-card { padding: 28px 24px; }
}

/* ============== News page ============== */
.news-list {
  border-top: 1px solid var(--ink);
}
.news-item {
  display: grid;
  grid-template-columns: 150px 1fr 160px 40px;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
  transition: padding-left 0.3s var(--ease-dg), background 0.3s var(--ease-dg);
}
.news-item:hover { padding-left: 16px; background: var(--bg-faint); }
.news-item:hover .news-arrow { transform: translate(4px, -4px); }
.news-item .news-date {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink);
  font-weight: 500;
  letter-spacing: 0.05em;
  padding-top: 6px;
}
.news-item .news-content .news-title {
  font-family: var(--font-jp);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  margin-bottom: 10px;
}
.news-item .news-content .news-body {
  font-family: var(--font-jp);
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--ink-2);
}
.news-item .news-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-top: 6px;
}
.news-item .news-tag {
  font-family: var(--font-jp);
  font-size: 11px;
  font-weight: 600;
  color: var(--ink);
  padding: 4px 10px;
  border: 1px solid var(--line);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.news-item .news-arrow {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--ink-2);
  padding-top: 6px;
  text-align: right;
  transition: transform 0.25s var(--ease-dg);
}
@media (max-width: 880px) {
  .news-item {
    grid-template-columns: 1fr 30px;
    grid-template-areas:
      "date arrow"
      "content content"
      "tags tags";
    gap: 8px 12px;
    padding: 24px 0;
  }
  .news-item .news-date { grid-area: date; font-size: 11px; }
  .news-item .news-content { grid-area: content; }
  .news-item .news-content .news-title { font-size: 15px; }
  .news-item .news-tags { grid-area: tags; padding-top: 4px; }
  .news-item .news-arrow { grid-area: arrow; }
  .news-item:hover { padding-left: 0; }
}

.news-pager {
  margin-top: 56px;
  text-align: center;
}
.news-pager .more {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 36px;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: #fff;
  transition: all 0.2s;
}
.news-pager .more:hover { background: var(--ink); color: #fff; }

/* ============== Contact page ============== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}
.contact-info dl {
  padding: 20px 0;
  border-top: 1px solid var(--line);
}
.contact-info dl:first-of-type { border-top: 1px solid var(--ink); }
.contact-info dl:last-of-type { border-bottom: 1px solid var(--line); }
.contact-info dt {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mute);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.contact-info dd {
  font-family: var(--font-jp);
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.75;
}
.contact-info dd a { border-bottom: 1px solid var(--line); }
.contact-info dd a:hover { border-bottom-color: var(--ink); }

.contact-form {
  background: var(--bg-faint);
  border: 1px solid var(--line);
  padding: 48px 40px;
}
.contact-form .form-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--mute);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.contact-form .field {
  margin-bottom: 24px;
}
.contact-form label {
  display: block;
  font-family: var(--font-jp);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}
.contact-form label .req {
  color: #b04040;
  margin-left: 4px;
  font-size: 11px;
}
.contact-form input[type=text],
.contact-form input[type=email],
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-jp);
  font-size: 14px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color 0.2s;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--ink);
}
.contact-form textarea { min-height: 140px; resize: vertical; }
.contact-form select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><path d='M2 4l4 4 4-4' stroke='%2300000' stroke-width='1.4' fill='none'/></svg>");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 12px;
  padding-right: 40px;
}
.contact-form .submit {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 32px;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  background: var(--ink);
  color: #fff;
  border: 1px solid var(--ink);
  cursor: pointer;
  transition: all 0.2s;
  width: 100%;
  justify-content: center;
}
.contact-form .submit:hover { background: transparent; color: var(--ink); }
.contact-form .privacy {
  font-family: var(--font-jp);
  font-size: 11.5px;
  color: var(--mute);
  line-height: 1.7;
  margin-top: 16px;
}
@media (max-width: 880px) {
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-form { padding: 32px 24px; }
}

.consult-examples {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 56px;
}
.consult-ex {
  background: #fff;
  padding: 28px 24px;
}
.consult-ex .ex-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mute);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.consult-ex .ex-q {
  font-family: var(--font-jp);
  font-weight: 700;
  font-size: 15px;
  color: var(--ink);
  line-height: 1.55;
  margin-bottom: 12px;
}
.consult-ex .ex-a {
  font-family: var(--font-jp);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--ink-2);
}
@media (max-width: 880px) {
  .consult-examples { grid-template-columns: 1fr; }
}

/* ============================================================
   TOP page lightweight pattern
   ============================================================ */
.brief-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  margin-bottom: 56px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--ink);
}
.brief-head .lhs { flex: 1; }
.brief-head .lhs .label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mute);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.brief-head .lhs .label .num { color: var(--ink); font-weight: 500; margin-right: 12px; }
.brief-head .lhs h2 {
  font-family: var(--font-en);
  font-weight: 300;
  font-size: clamp(32px, 4.2vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--ink);
}
.brief-head .lhs h2 em { font-style: italic; color: var(--ink-2); font-weight: 200; }
.brief-head .lhs .jp {
  font-family: var(--font-jp);
  font-weight: 600;
  font-size: 14.5px;
  color: var(--ink-2);
  margin-top: 12px;
}
.brief-head .view-all {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  transition: all 0.2s var(--ease-dg);
  white-space: nowrap;
}
.brief-head .view-all:hover { background: var(--ink); color: #fff; }
.brief-head .view-all .arrow { font-family: var(--font-mono); transition: transform 0.2s var(--ease-dg); }
.brief-head .view-all:hover .arrow { transform: translate(2px, -2px); }
@media (max-width: 720px) {
  .brief-head { flex-direction: column; align-items: flex-start; gap: 20px; margin-bottom: 36px; }
  .brief-head .view-all { width: 100%; justify-content: space-between; }
}

/* About brief layout */
.about-brief {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: start;
}
.about-brief .lhs .copy {
  font-family: var(--font-jp);
  font-weight: 600;
  font-size: clamp(20px, 2.2vw, 28px);
  line-height: 1.55;
  color: var(--ink);
  margin-bottom: 24px;
}
.about-brief .lhs .tagline {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mute);
  text-transform: uppercase;
}
.about-brief .rhs p {
  font-family: var(--font-jp);
  font-size: 15px;
  line-height: 1.95;
  color: var(--ink-2);
  margin-bottom: 20px;
}
.about-brief .rhs .hl { color: var(--ink); font-weight: 600; }
@media (max-width: 880px) {
  .about-brief { grid-template-columns: 1fr; gap: 32px; }
}

/* Business brief (4 phases + counter) */
.biz-brief {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}
.biz-brief .counter {
  font-family: var(--font-en);
  font-weight: 200;
  font-size: clamp(80px, 12vw, 180px);
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--ink);
  margin-bottom: 24px;
}
.biz-brief .counter .small {
  font-family: var(--font-jp);
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--mute);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 8px;
}
.biz-brief .desc {
  font-family: var(--font-jp);
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink-2);
  max-width: 360px;
}
.biz-brief-phases {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.biz-brief-phases .phase {
  background: #fff;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.biz-brief-phases .phase .ph {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--mute);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.biz-brief-phases .phase .jp {
  font-family: var(--font-jp);
  font-weight: 800;
  font-size: 22px;
  color: var(--ink);
}
.biz-brief-phases .phase .en {
  font-family: var(--font-en);
  font-size: 12px;
  color: var(--ink-2);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: -4px;
}
.biz-brief-phases .phase .body {
  font-family: var(--font-jp);
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--ink-2);
  padding-top: 8px;
  border-top: 1px solid var(--line);
}
@media (max-width: 880px) {
  .biz-brief { grid-template-columns: 1fr; gap: 32px; }
}

/* Group brief */
.group-brief {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.group-brief .lhs .mark {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mute);
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}
.group-brief .lhs h3 {
  font-family: var(--font-en);
  font-weight: 300;
  font-size: clamp(36px, 4.5vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin-bottom: 16px;
}
.group-brief .lhs h3 em { font-style: italic; color: var(--ink-2); font-weight: 200; }
.group-brief .lhs .ja {
  font-family: var(--font-jp);
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  margin-bottom: 16px;
}
.group-brief .lhs p {
  font-family: var(--font-jp);
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink-2);
  max-width: 460px;
  margin-bottom: 24px;
}
.group-brief .rhs {
  background: var(--bg-faint);
  border: 1px solid var(--line);
  padding: 40px 32px;
}
@media (max-width: 880px) {
  .group-brief { grid-template-columns: 1fr; gap: 32px; }
}

/* Works brief: just logos, no engagement cards */
.works-brief .works-stage-head { margin-bottom: 24px; }

/* Latest news on TOP (use existing .news-list/.news-item) */
.news-brief .news-item:hover { padding-left: 0; background: transparent; }
.news-brief .news-item { cursor: default; }
.news-brief .news-item .news-arrow { display: none; }
.news-brief .news-item {
  grid-template-columns: 130px 1fr 140px;
}
@media (max-width: 880px) {
  .news-brief .news-item {
    grid-template-columns: 1fr;
    grid-template-areas:
      "date"
      "content"
      "tags";
    gap: 6px 0;
  }
}

/* ============================================================
   ENHANCED NAV (DG-equivalent patterns)
   ============================================================ */

/* ===== Scroll progress bar (top) ===== */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 100%;
  z-index: 110;
  pointer-events: none;
  background: transparent;
}
.scroll-progress::after {
  content: "";
  display: block;
  height: 100%;
  background: var(--ink);
  width: var(--sp, 0%);
  transition: width 0.08s linear;
  transform-origin: left center;
}

/* ===== PC mega menu ===== */
.nav .links { position: relative; }
.nav .links .nav-item {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.nav .links a.has-mega {
  position: relative;
}
.nav .links a.has-mega::after {
  content: "+";
  display: inline-block;
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 300;
  color: var(--mute);
  transition: transform 0.3s var(--ease-dg), color 0.2s;
  transform-origin: center;
}
.nav .links a.has-mega.is-open::after,
.nav .links .nav-item:hover a.has-mega::after {
  transform: rotate(45deg);
  color: var(--ink);
}

.mega-panel {
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 24px 48px -24px rgba(14,17,22,0.16);
  z-index: 99;
  padding: 48px var(--pad-x) 56px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity 0.35s var(--ease-dg), transform 0.4s var(--ease-dg), visibility 0s linear 0.35s;
}
.mega-panel.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity 0.35s var(--ease-dg), transform 0.4s var(--ease-dg), visibility 0s linear 0s;
}
.mega-panel .mega-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
}
.mega-panel .mega-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mute);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.mega-panel .mega-title {
  font-family: var(--font-en);
  font-weight: 300;
  font-size: clamp(32px, 3vw, 44px);
  line-height: 1.0;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin-bottom: 12px;
}
.mega-panel .mega-title em { font-style: italic; color: var(--ink-2); font-weight: 200; }
.mega-panel .mega-sub {
  font-family: var(--font-jp);
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.7;
  margin-bottom: 20px;
}
.mega-panel .mega-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--ink);
  transition: opacity 0.2s;
}
.mega-panel .mega-link:hover { opacity: 0.7; }
.mega-panel .mega-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  border-top: 1px solid var(--line);
  padding-top: 32px;
}
.mega-panel .mega-grid > a {
  display: block;
  padding: 14px 18px;
  border: 1px solid transparent;
  transition: border-color 0.2s var(--ease-dg), background 0.2s var(--ease-dg);
}
.mega-panel .mega-grid > a:hover { border-color: var(--line); background: var(--bg-faint); }
.mega-panel .mega-grid .mi-num {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--mute);
  letter-spacing: 0.15em;
  margin-bottom: 6px;
}
.mega-panel .mega-grid .mi-name {
  font-family: var(--font-jp);
  font-weight: 700;
  font-size: 14.5px;
  color: var(--ink);
  margin-bottom: 6px;
}
.mega-panel .mega-grid .mi-desc {
  font-family: var(--font-jp);
  font-size: 12px;
  color: var(--ink-2);
  line-height: 1.65;
}
@media (max-width: 880px) {
  .mega-panel { display: none !important; }
}

.mega-backdrop {
  position: fixed; inset: 0;
  background: rgba(14,17,22,0.18);
  opacity: 0;
  visibility: hidden;
  z-index: 98;
  transition: opacity 0.3s var(--ease-dg), visibility 0s linear 0.3s;
  pointer-events: none;
}
.mega-backdrop.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: opacity 0.3s var(--ease-dg), visibility 0s linear 0s;
}

/* ===== SP full-screen nav ===== */
@media (max-width: 880px) {
  .nav-drawer {
    width: 100vw;
    max-width: none;
    padding: 100px 28px 48px;
    background: #0E1116;
    color: #fff;
    border-left: none;
  }
  .nav-drawer a {
    border-bottom-color: rgba(255,255,255,0.12);
    color: #fff;
    font-family: var(--font-en);
    font-weight: 300;
    font-size: clamp(32px, 9vw, 56px);
    letter-spacing: -0.02em;
    padding: 22px 0;
    display: grid;
    grid-template-columns: 40px 1fr auto;
    gap: 14px;
    align-items: baseline;
  }
  .nav-drawer a:hover { padding-left: 0; }
  .nav-drawer a .num {
    font-family: var(--font-mono);
    font-size: 11px;
    color: rgba(255,255,255,0.5);
    letter-spacing: 0.1em;
  }
  .nav-drawer a .jp {
    margin-left: 0;
    font-family: var(--font-jp);
    font-size: 12.5px;
    font-weight: 500;
    color: rgba(255,255,255,0.55);
    align-self: center;
  }
  /* Hide eap top-bar background while drawer open, keep hamburger */
  body.nav-open .nav { background: transparent !important; border-bottom-color: transparent !important; }
  body.nav-open .nav .brand img { filter: brightness(0) invert(1); }
  body.nav-open .nav .brand .tag { color: rgba(255,255,255,0.6); border-left-color: rgba(255,255,255,0.25); }
  body.nav-open .nav-toggle { border-color: rgba(255,255,255,0.3); }
  body.nav-open .nav-toggle .bar { background: #fff; }
  /* Add footer-style mini info inside drawer */
  .nav-drawer::after {
    content: "© 2026 EAP, INC. ─ Designing Business Structure";
    display: block;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.12);
    font-family: var(--font-mono);
    font-size: 10px;
    color: rgba(255,255,255,0.4);
    letter-spacing: 0.12em;
  }
  /* Overlay is no longer needed since drawer is full-screen */
  .nav-overlay { display: none !important; }
}

/* ===== Lang switch (decorative) ===== */
.nav .lang {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink);
  margin-left: 16px;
  transition: all 0.2s var(--ease-dg);
}
.nav .lang:hover { border-color: var(--ink); background: var(--ink); color: #fff; }
@media (max-width: 880px) {
  .nav .lang { display: none; }
}

/* ============================================================
   ENHANCEMENTS v3 — serif accents / Hero side cards / Mega 3-col
   ============================================================ */

:root { --font-serif: 'Playfair Display', 'Cormorant Garamond', Georgia, serif; }

/* ===== Serif accent on italic display text ===== */
.section-title em,
.section-title .accent,
.hero h1 .accent,
.page-hero h1 em,
.brief-head .lhs h2 em,
.contact h2 em,
.group-brief .lhs h3 em,
.purpose-big h3 em,
.mega-panel .mega-title em,
.message-portrait .name-en em,
.foot-brand .logo em,
.serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.005em;
}
/* Slightly heavier weight at very large sizes for legibility */
.hero h1 .accent,
.page-hero h1 em,
.contact h2 em,
.purpose-big h3 em {
  font-weight: 500;
}
/* serif color tweaks for dark sections */
.hero h1 .accent { color: rgba(255,255,255,0.72); }
.page-hero h1 em { color: rgba(255,255,255,0.7); }
.contact h2 em { color: rgba(255,255,255,0.6); }
.purpose-big h3 em { color: rgba(255,255,255,0.6); }
/* light sections accent: subtle ink-2 */
.section-title em,
.section-title .accent,
.brief-head .lhs h2 em,
.group-brief .lhs h3 em,
.mega-panel .mega-title em { color: var(--ink-2); }

/* ===== Hero: 2-column grid with side cards (PC) ===== */
.hero .container { position: relative; z-index: 2; }
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 56px;
  align-items: end;
}
.hero-main {
  display: contents; /* let children participate directly in parent grid */
}
/* Re-position the existing hero pieces into the first column via explicit grid placement */
.hero-grid > .hero-meta,
.hero-grid > h1,
.hero-grid > .hero-sub,
.hero-grid > .hero-body { grid-column: 1; }
.hero-grid > .hero-aside { grid-column: 2; grid-row: 1 / span 4; align-self: end; }

.hero-aside {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
  align-self: end;
}
.hero-card {
  display: block;
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border: 1px solid rgba(255,255,255,0.18);
  padding: 22px 22px 18px;
  color: #fff;
  transition: background 0.3s var(--ease-dg), border-color 0.3s var(--ease-dg), transform 0.3s var(--ease-dg);
}
.hero-card:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.42);
  transform: translateY(-2px);
}
.hero-card .hc-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.hero-card .hc-label .hc-date { color: rgba(255,255,255,0.85); }
.hero-card .hc-eyebrow {
  font-family: var(--font-en);
  font-size: 11px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.hero-card .hc-title {
  font-family: var(--font-jp);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.5;
  color: #fff;
  margin-bottom: 14px;
}
.hero-card .hc-title em {
  font-family: var(--font-serif);
  font-weight: 500;
  font-style: italic;
  color: rgba(255,255,255,0.75);
}
.hero-card .hc-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-en);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: #fff;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.18);
}
.hero-card .hc-link .arrow { font-family: var(--font-mono); transition: transform 0.2s var(--ease-dg); }
.hero-card:hover .hc-link .arrow { transform: translate(2px, -2px); }

@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr 300px; gap: 40px; }
}
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; gap: 24px; }
  .hero-grid > .hero-aside { grid-column: 1; grid-row: auto; }
  .hero-card { padding: 18px 20px 16px; }
  .hero-card .hc-title { font-size: 14.5px; }
}

/* ===== Mega menu 3-column (visual / lhs / grid) ===== */
.mega-panel .mega-inner {
  display: grid;
  grid-template-columns: 200px 260px 1fr;
  gap: 40px;
}
.mega-panel .mega-visual {
  border-right: 1px solid var(--line);
  padding-right: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.mega-panel .mega-visual .mv-num {
  font-family: var(--font-en);
  font-weight: 200;
  font-size: 96px;
  line-height: 0.9;
  letter-spacing: -0.045em;
  color: var(--ink);
}
.mega-panel .mega-visual .mv-num em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  color: var(--ink-2);
}
.mega-panel .mega-visual .mv-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--mute);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.mega-panel .mega-visual .mv-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}
.mega-panel .mega-visual .mv-tag {
  font-family: var(--font-jp);
  font-size: 10.5px;
  color: var(--ink-2);
  padding: 4px 10px;
  border: 1px solid var(--line);
  letter-spacing: 0.02em;
}
@media (max-width: 1080px) {
  .mega-panel .mega-inner { grid-template-columns: 160px 220px 1fr; gap: 24px; }
  .mega-panel .mega-visual .mv-num { font-size: 72px; }
}