:root {
      --bg: #fff;
      --sub: #f5f6f6;
      --brand: #262a29;
      --ink: #242827;
      --muted: #5d6663;
      --line: #dfe3e1;
      --mint: #65d6b1;
      --blue: #8eb5ff;
      --yellow: #ffe9a3;
      --pink: #f5a5ea;
      --white: #fff;
      --max: 1080px;
      --spectrum: linear-gradient(90deg, var(--mint), var(--blue), var(--yellow), var(--pink));
      --shadow: 0 22px 70px rgba(38, 42, 41, .09);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--bg);
      font-family: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      font-size: 16px;
      line-height: 1.8;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    a { color: inherit; text-decoration: none; }
    a, button { cursor: pointer; }
    a:focus-visible, button:focus-visible {
      outline: 3px solid rgba(142, 181, 255, .6);
      outline-offset: 4px;
    }

    h1, h2, h3 {
      margin: 0;
      color: var(--brand);
      font-family: "Noto Sans JP", sans-serif;
      font-weight: 700;
      letter-spacing: -.035em;
    }

    h2 {
      font-size: clamp(28px, 3vw, 40px);
      line-height: 1.45;
    }

    p { margin: 0; }
    .container {
      width: min(var(--max), calc(100% - 64px));
      margin-inline: auto;
    }

    .section { padding-block: 100px; }
    .section-head { max-width: 760px; }
    .lead {
      max-width: 720px;
      margin-top: 20px;
      color: #40504c;
      line-height: 2;
    }

    .button {
      position: relative;
      isolation: isolate;
      min-height: 54px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding-inline: 25px;
      overflow: hidden;
      color: var(--white) !important;
      background: var(--brand);
      border: 1px solid var(--brand);
      border-radius: 7px;
      font-size: 14px;
      font-weight: 700;
      line-height: 1.3;
      transition: transform 240ms cubic-bezier(.22, 1, .36, 1), box-shadow 240ms ease, border-color 240ms ease;
    }

    .button::before {
      content: "";
      position: absolute;
      z-index: -1;
      inset: -2px;
      background: var(--spectrum);
      transform: translateX(-105%);
      transition: transform 460ms cubic-bezier(.22, 1, .36, 1);
    }

    .button::after {
      content: "→";
      color: var(--white);
      transition: transform 240ms ease;
    }

    .button:hover { color: var(--white) !important; transform: translateY(-2px); box-shadow: 0 16px 38px rgba(38, 42, 41, .2); }
    .button:hover::before { transform: translateX(0); }
    .button:hover::after { transform: translateX(4px); }
    .button:active, .button:focus-visible, .button:visited { color: var(--white) !important; }

    .text-link {
      display: inline-flex;
      align-items: center;
      min-height: 44px;
      padding-inline: 5px;
      color: var(--brand);
      font-size: 14px;
      font-weight: 600;
      text-decoration: underline;
      text-decoration-color: rgba(23, 166, 115, .45);
      text-underline-offset: 6px;
    }

    .hero {
      position: relative;
      min-height: 700px;
      display: grid;
      align-items: center;
      overflow: hidden;
      isolation: isolate;
      background:
        radial-gradient(circle at 76% 20%, rgba(142, 181, 255, .18), transparent 25%),
        radial-gradient(circle at 91% 75%, rgba(245, 165, 234, .14), transparent 24%),
        var(--white);
    }

    .hero::before {
      content: "";
      position: absolute;
      z-index: -2;
      inset: 0 0 0 46%;
      background-image:
        linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px);
      background-size: 78px 78px;
      opacity: .65;
      mask-image: linear-gradient(90deg, transparent, #000 27%);
    }

    .hero-grid {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1.16fr) minmax(380px, .84fr);
      gap: 54px;
      align-items: center;
      padding-block: 94px;
    }

    .hero-copy { position: relative; z-index: 2; }
    .hero h1 {
      max-width: 760px;
      font-size: clamp(42px, 4.8vw, 66px);
      line-height: 1.42;
    }

    .hero h1 span { display: block; }
    .hero h1 .spectrum {
      color: transparent;
      background: var(--spectrum);
      background-size: 230% 100%;
      -webkit-background-clip: text;
      background-clip: text;
      animation: spectrum-flow 6s linear infinite;
    }

    .hero-lead {
      max-width: 630px;
      margin-top: 28px;
      color: #40504c;
      font-size: 16px;
      line-height: 2;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-top: 38px;
    }

    .hero-note {
      display: flex;
      align-items: center;
      gap: 9px;
      margin-top: 26px;
      color: var(--muted);
      font-size: 12px;
    }

    .hero-note::before {
      content: "";
      width: 8px;
      height: 8px;
      border: 2px solid var(--mint);
      border-radius: 50%;
    }

    .system-orb {
      position: relative;
      width: min(430px, 100%);
      aspect-ratio: 1;
      justify-self: end;
      display: grid;
      place-items: center;
    }

    .system-orb svg { width: 100%; height: 100%; overflow: visible; }
    .orb-shell, .orb-lat, .orb-axis, .orb-signal {
      fill: none;
      vector-effect: non-scaling-stroke;
    }
    .orb-shell { fill: rgba(255, 255, 255, .45); stroke: rgba(38, 42, 41, .28); stroke-width: 1.2; }
    .orb-lat { stroke: rgba(38, 42, 41, .14); stroke-width: 1; }
    .orb-axis { stroke: rgba(142, 181, 255, .28); stroke-width: 1; }
    .orb-signal {
      stroke: url(#orbGradient);
      stroke-width: 2.2;
      stroke-linecap: round;
      stroke-dasharray: 110 790;
      animation: orbit-flow 13s linear infinite;
    }

    .orb-core {
      position: absolute;
      width: 134px;
      aspect-ratio: 1;
      display: grid;
      place-items: center;
      text-align: center;
      color: var(--brand);
      background: rgba(255, 255, 255, .88);
      border: 1px solid rgba(38, 42, 41, .15);
      border-radius: 50%;
      box-shadow: var(--shadow);
      backdrop-filter: blur(10px);
    }

    .orb-core strong { font-family: "Noto Sans JP", sans-serif; font-size: 19px; }
    .orb-core small { display: block; margin-top: 2px; color: var(--muted); font-size: 10px; font-weight: 600; }
    .orb-node {
      position: absolute;
      min-width: 64px;
      padding: 7px 10px;
      color: var(--brand);
      background: rgba(255, 255, 255, .9);
      border: 1px solid var(--line);
      border-radius: 99px;
      box-shadow: 0 8px 28px rgba(38, 42, 41, .08);
      font-size: 11px;
      font-weight: 700;
      text-align: center;
    }
    .orb-node::before {
      content: "";
      display: inline-block;
      width: 6px;
      height: 6px;
      margin-right: 6px;
      background: var(--mint);
      border-radius: 50%;
      box-shadow: 0 0 0 4px rgba(101, 214, 177, .15);
    }
    .node-a { top: 10%; left: 5%; }
    .node-b { top: 24%; right: -2%; }
    .node-c { right: 2%; bottom: 18%; }
    .node-d { left: 5%; bottom: 9%; }

    .revenue-bars {
      position: absolute;
      right: 12%;
      bottom: 4%;
      height: 54px;
      display: flex;
      align-items: end;
      gap: 5px;
      color: var(--brand);
    }
    .revenue-bars b { margin-right: 4px; font-size: 11px; line-height: 1; }
    .revenue-bars i { width: 7px; height: 12px; background: var(--mint); border-radius: 5px 5px 0 0; }
    .revenue-bars i:nth-child(3) { height: 24px; background: var(--blue); }
    .revenue-bars i:nth-child(4) { height: 39px; background: var(--pink); }

    .issues { background: var(--sub); border-top: 1px solid var(--line); }
    .card-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 52px;
    }

    .pain-card, .solution-card {
      position: relative;
      min-height: 250px;
      padding: 28px 24px;
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: 10px;
      transition: border-color 260ms ease, box-shadow 260ms ease, transform 260ms cubic-bezier(.22, 1, .36, 1);
    }

    .pain-card:hover, .solution-card:hover {
      border-color: rgba(101, 214, 177, .75);
      box-shadow: var(--shadow);
      transform: translateY(-4px);
    }

    .icon {
      width: 54px;
      height: 54px;
      display: grid;
      place-items: center;
      margin-bottom: 28px;
      color: var(--brand);
      background: linear-gradient(135deg, rgba(101, 214, 177, .17), rgba(142, 181, 255, .13) 55%, rgba(245, 165, 234, .14));
      border: 1px solid rgba(38, 42, 41, .1);
      border-radius: 15px;
    }
    .icon svg { width: 27px; height: 27px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
    .pain-card h3, .solution-card h3 { font-size: 17px; line-height: 1.55; }
    .pain-card p, .solution-card p { margin-top: 13px; color: var(--muted); font-size: 13px; line-height: 1.9; }

    .connector {
      display: grid;
      justify-items: center;
      gap: 17px;
      margin: 50px auto -30px;
      text-align: center;
    }
    .connector strong {
      max-width: 650px;
      color: var(--brand);
      font-family: "Noto Sans JP", sans-serif;
      font-size: clamp(18px, 2vw, 22px);
      line-height: 1.7;
    }

    .down-arrow { position: relative; width: 38px; height: 62px; }
    .down-arrow::before {
      content: "";
      position: absolute;
      top: 0;
      left: calc(50% - 1px);
      width: 2px;
      height: 44px;
      background: var(--spectrum);
      transform-origin: top;
      animation: arrow-rush 1.8s cubic-bezier(.55, .055, .675, .19) infinite;
    }
    .down-arrow::after {
      content: "";
      position: absolute;
      left: 50%;
      bottom: 6px;
      width: 14px;
      height: 14px;
      border-right: 2px solid var(--pink);
      border-bottom: 2px solid var(--pink);
      transform: translateX(-50%) rotate(45deg);
      animation: arrow-head 1.8s ease-in infinite;
    }

    .solution { overflow: hidden; }
    .solution .card-grid { counter-reset: step; }
    .solution-card {
      min-height: 285px;
      padding-top: 30px;
      counter-increment: step;
      overflow: hidden;
    }
    .solution-card::after {
      content: "0" counter(step);
      position: absolute;
      right: 16px;
      bottom: -25px;
      color: rgba(38, 42, 41, .05);
      font-family: "Noto Sans JP", sans-serif;
      font-size: 86px;
      font-weight: 700;
      line-height: 1;
    }
    .solution-card .icon { position: relative; z-index: 1; }
    .solution-card h3, .solution-card p { position: relative; z-index: 1; }

    .process {
      color: rgba(255, 255, 255, .75);
      background: var(--brand);
      overflow: hidden;
    }
    .process h2 { color: var(--white); }
    .process .lead { color: rgba(255, 255, 255, .68); }
    .process-list {
      position: relative;
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 24px;
      margin-top: 58px;
    }
    .process-list::before {
      content: "";
      position: absolute;
      top: 18px;
      right: 8%;
      left: 8%;
      height: 1px;
      background: rgba(255, 255, 255, .25);
    }
    .process-list::after {
      content: "";
      position: absolute;
      top: 17px;
      left: 8%;
      width: 84%;
      height: 3px;
      background: var(--spectrum);
      transform: scaleX(.18);
      transform-origin: left;
      animation: process-flow 7s cubic-bezier(.65, 0, .35, 1) infinite;
    }
    .process-item { position: relative; z-index: 1; }
    .process-dot {
      width: 36px;
      height: 36px;
      display: grid;
      place-items: center;
      margin-bottom: 23px;
      color: var(--white);
      background: var(--brand);
      border: 1px solid rgba(255, 255, 255, .68);
      border-radius: 50%;
      font-family: "Noto Sans JP", sans-serif;
      font-size: 11px;
      font-weight: 700;
      box-shadow: 0 0 0 7px var(--brand);
    }
    .process-item h3 { color: var(--white); font-size: 15px; line-height: 1.55; }
    .process-item p { margin-top: 9px; color: rgba(255, 255, 255, .56); font-size: 12px; line-height: 1.8; }

    .results { background: var(--sub); }
    .results-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 40px;
    }
    .metric-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 17px;
      margin-top: 50px;
    }
    .metric-card {
      position: relative;
      min-height: 205px;
      padding: 29px 23px;
      overflow: hidden;
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: 9px;
      box-shadow: 0 15px 45px rgba(38, 42, 41, .04);
      transition: transform 260ms cubic-bezier(.22, 1, .36, 1), box-shadow 260ms ease;
    }
    .metric-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: -80%;
      width: 180%;
      height: 3px;
      background: var(--spectrum);
      animation: metric-flow 10s linear infinite;
    }
    .metric-card:nth-child(2)::before { animation-delay: -2.5s; }
    .metric-card:nth-child(3)::before { animation-delay: -5s; }
    .metric-card:nth-child(4)::before { animation-delay: -7.5s; }
    .metric-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
    .metric-source {
      display: inline-flex;
      padding: 4px 8px;
      color: var(--muted);
      background: var(--sub);
      border-radius: 99px;
      font-size: 11px;
    }
    .metric-value {
      display: block;
      margin-top: 17px;
      color: var(--brand);
      font-family: "Noto Sans JP", sans-serif;
      font-size: clamp(34px, 3.6vw, 46px);
      font-weight: 700;
      line-height: 1.15;
      letter-spacing: -.045em;
      white-space: nowrap;
    }
    .metric-label { display: block; margin-top: 17px; color: #334540; font-size: 13px; }
    .disclaimer { margin-top: 22px; color: var(--muted); font-size: 12px; line-height: 1.8; }

    .voice { border-top: 1px solid var(--line); }
    .voice-box {
      min-height: 230px;
      display: grid;
      place-items: center;
      margin-top: 44px;
      padding: 44px;
      text-align: center;
      background:
        linear-gradient(var(--white), var(--white)) padding-box,
        var(--spectrum) border-box;
      border: 1px solid transparent;
      border-radius: 11px;
    }
    .voice-box strong {
      display: block;
      color: var(--brand);
      font-family: "Noto Sans JP", sans-serif;
      font-size: clamp(24px, 3vw, 32px);
      line-height: 1.5;
    }
    .voice-box span { display: block; margin-top: 12px; color: var(--muted); font-size: 13px; }

    .scenes { background: var(--sub); }
    .scene-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 17px;
      margin-top: 48px;
    }
    .scene {
      position: relative;
      min-height: 178px;
      padding: 28px 26px 26px 52px;
      background: rgba(255, 255, 255, .78);
      border: 1px solid var(--line);
      border-radius: 9px;
    }
    .scene::before {
      content: "";
      position: absolute;
      top: 34px;
      left: 26px;
      width: 10px;
      height: 10px;
      border: 2px solid var(--mint);
      border-radius: 50%;
    }
    .scene h3 { font-size: 16px; line-height: 1.6; }
    .scene p { margin-top: 11px; color: var(--muted); font-size: 13px; line-height: 1.9; }

    .final-cta {
      position: relative;
      padding-block: 112px;
      overflow: hidden;
      color: var(--brand);
      text-align: center;
      background:
        radial-gradient(circle at 13% 20%, rgba(101, 214, 177, .27), transparent 28%),
        radial-gradient(circle at 86% 78%, rgba(245, 165, 234, .25), transparent 30%),
        var(--sub);
    }
    .final-cta::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(38, 42, 41, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(38, 42, 41, .05) 1px, transparent 1px);
      background-size: 70px 70px;
      mask-image: radial-gradient(circle at center, #000, transparent 78%);
    }
    .final-cta .container { position: relative; }
    .final-cta h2 { max-width: 760px; margin-inline: auto; font-size: clamp(31px, 4vw, 48px); }
    .final-cta p { max-width: 680px; margin: 22px auto 0; color: var(--muted); line-height: 2; }
    .final-cta .button { margin-top: 36px; }
    .final-note { display: block; margin-top: 18px; color: var(--muted); font-size: 12px; }

    [data-reveal] {
      opacity: 0;
      transform: translateY(42px);
      transition: opacity 780ms cubic-bezier(.22, 1, .36, 1), transform 780ms cubic-bezier(.22, 1, .36, 1);
      transition-delay: var(--delay, 0ms);
    }
    [data-reveal].is-visible { opacity: 1; transform: translateY(0); }

    @keyframes spectrum-flow { to { background-position: 230% 0; } }
    @keyframes orbit-flow { to { stroke-dashoffset: -900; } }
    @keyframes arrow-rush {
      0%, 24% { opacity: 0; transform: scaleY(0); }
      70% { opacity: 1; transform: scaleY(1); }
      100% { opacity: 0; transform: translateY(15px) scaleY(.35); }
    }
    @keyframes arrow-head {
      0%, 44% { opacity: .2; transform: translate(-50%, -8px) rotate(45deg); }
      82% { opacity: 1; transform: translate(-50%, 3px) rotate(45deg); }
      100% { opacity: 0; transform: translate(-50%, 10px) rotate(45deg); }
    }
    @keyframes process-flow {
      0% { transform: scaleX(0); transform-origin: left; }
      48% { transform: scaleX(1); transform-origin: left; }
      52% { transform: scaleX(1); transform-origin: right; }
      100% { transform: scaleX(0); transform-origin: right; }
    }
    @keyframes metric-flow { to { transform: translateX(100%); } }

    @media (max-width: 960px) {
      .hero { min-height: auto; }
      .hero-grid { grid-template-columns: 1fr; gap: 35px; padding-block: 82px; }
      .hero-copy { max-width: 760px; }
      .system-orb { width: min(470px, 72vw); justify-self: center; }
      .card-grid, .metric-grid { grid-template-columns: repeat(2, 1fr); }
      .process-list { grid-template-columns: repeat(5, minmax(145px, 1fr)); overflow-x: auto; padding: 0 8px 22px; }
      .process-list::before, .process-list::after { left: 60px; width: 690px; right: auto; }
      .scene-grid { grid-template-columns: 1fr; }
    }

    @media (max-width: 600px) {
      .container { width: calc(100% - 48px); }
      .section { padding-block: 68px; }
      h2 { font-size: 26px; }
      .lead { font-size: 14px; line-height: 1.95; }
      .hero::before { inset: 0; opacity: .34; background-size: 56px 56px; }
      .hero-grid { padding-block: 64px 76px; }
      .hero h1 { font-size: 33px; line-height: 1.55; }
      .hero-lead { margin-top: 22px; font-size: 14px; line-height: 1.95; }
      .hero-actions { align-items: stretch; flex-direction: column; margin-top: 30px; }
      .button { width: 100%; }
      .text-link { justify-content: center; }
      .system-orb { width: min(360px, 100%); }
      .orb-node { min-width: 58px; padding: 6px 8px; font-size: 10px; }
      .orb-core { width: 112px; }
      .revenue-bars { right: 8%; bottom: 0; }
      .card-grid, .metric-grid { grid-template-columns: 1fr; }
      .card-grid { gap: 13px; margin-top: 36px; }
      .pain-card, .solution-card { min-height: 0; padding: 23px; }
      .icon { margin-bottom: 18px; }
      .connector { margin-top: 38px; }
      .results-head { display: block; }
      .metric-grid { gap: 13px; margin-top: 35px; }
      .metric-card { min-height: 174px; padding: 25px 21px; }
      .metric-value { font-size: 38px; }
      .voice-box { min-height: 200px; margin-top: 34px; padding: 32px 22px; }
      .scene-grid { margin-top: 36px; }
      .scene { min-height: 0; }
      .final-cta { padding-block: 78px; }
      .final-cta h2 { font-size: 29px; }
      .final-cta p { font-size: 14px; }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
      }
      [data-reveal] { opacity: 1 !important; transform: none !important; }
    }