:root{
    --blue:#2f6bf6;
    --blue-deep:#1f4fd6;
    --purple:#8b5cf6;
    --pink:#ec4899;
    --ink:#16182a;
    --ink-soft:#2a2d42;
    --gray:#6b7280;
    --gray-light:#9aa0ad;
    --line:#e9ebf1;
    --bg:#ffffff;
    --bg-soft:#f5f7fb;
    --card:#fbfcfe;
    --grad:linear-gradient(100deg,#2f6bf6 0%,#6d5cf6 55%,#a855f7 100%);
    --grad-text:linear-gradient(100deg,#2f6bf6 0%,#7c5cf6 50%,#b452f0 100%);
    --maxw:1180px;
    --font-jp:"Noto Sans JP",sans-serif;
    --font-en:"Poppins",sans-serif;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    font-family:var(--font-jp);
    color:var(--ink);
    background:var(--bg);
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{display:block;max-width:100%}
  a{text-decoration:none;color:inherit}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
  .grad-text{
    background:var(--grad-text);
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;color:transparent;
  }

  /* ============ HEADER ============ */
  header{position:relative;z-index:40}
  .topbar{display:flex;align-items:center;justify-content:space-between;padding:26px 0 8px}
  .brand{display:flex;align-items:center;gap:13px}
  .logo-mark{width:38px;height:38px;flex:0 0 auto}
  .brand-name{font-family:var(--font-en);font-weight:700;font-size:22px;letter-spacing:.2px;color:var(--ink);white-space:nowrap}
  .brand-name .jp{font-family:var(--font-jp);font-weight:700;font-size:19px;margin-left:1px}

  /* ============ HERO ============ */
  .hero{position:relative;padding:38px 0 70px}
  .hero-grid{display:grid;grid-template-columns:0.86fr 1.14fr;gap:30px;align-items:center}
  .hero-copy{position:relative;z-index:5;padding-top:8px}
  .hero h1{
    font-weight:900;font-size:clamp(26px,3.9vw,46px);line-height:1.3;letter-spacing:.5px;
    color:var(--ink);margin-bottom:30px;
  }
  .hero h1 .hl{display:block;white-space:nowrap}
  .hero-lead{font-size:16px;color:#55596b;line-height:2;font-weight:500;margin-bottom:36px}
  .hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:34px}
  .btn{
    display:inline-flex;align-items:center;gap:26px;justify-content:space-between;
    font-weight:700;font-size:15px;border-radius:40px;padding:15px 18px 15px 28px;
    cursor:pointer;transition:transform .15s ease,box-shadow .25s ease;white-space:nowrap;
  }
  .btn .arrow{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto}
  .btn .arrow svg{width:14px;height:14px}
  .btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px -8px rgba(57,99,246,.55)}
  .btn-primary .arrow{background:rgba(255,255,255,.22)}
  .btn-primary .arrow svg{stroke:#fff}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 32px -8px rgba(57,99,246,.6)}
  .btn-ghost{background:#fff;color:var(--blue);border:1.6px solid #c9d6fb;padding-left:34px}
  .btn-ghost .arrow{background:#eaf0ff}
  .btn-ghost .arrow svg{stroke:var(--blue)}
  .btn-ghost:hover{transform:translateY(-2px);box-shadow:0 12px 24px -10px rgba(57,99,246,.35)}

  .chips{display:flex;gap:14px;flex-wrap:wrap}
  .chip{
    display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:700;color:#3a3f54;
    background:#fff;border:1.4px solid var(--line);border-radius:30px;padding:9px 17px;
    box-shadow:0 4px 14px -8px rgba(30,40,90,.18);
  }
  .chip svg{width:18px;height:18px}

  /* hero collage */
  .collage{position:relative;height:640px}
  .collage .ph{position:absolute;border-radius:24px}
  .ph-man{width:49%;top:-4%;left:11%;z-index:2}
  .ph-woman{width:45%;top:48%;right:-4%;z-index:3}
  .fcard{
    position:absolute;border-radius:22px;
    box-shadow:0 26px 55px -18px rgba(36,52,110,.34), 0 6px 18px -10px rgba(36,52,110,.2);
    overflow:hidden;background:#fbfbfd;
  }
  .fc-search{width:52%;top:2%;right:-2%;z-index:5}
  .fc-products{width:45%;top:42%;left:-5%;z-index:6}
  .fc-stats{width:39%;bottom:-2%;left:26%;z-index:7}

  /* hero decorations */
  .deco{position:absolute;pointer-events:none;z-index:0}
  .d-blob-hero{width:520px;top:-90px;right:-120px;opacity:.85}
  .d-tri{width:150px;left:-30px;bottom:60px;opacity:.9}
  .d-dot-left{width:90px;left:30%;bottom:-30px;opacity:.8}

  /* ============ SERVICE ============ */
  .service{position:relative;padding:30px 0 90px}
  .sec-label{text-align:center;font-family:var(--font-en);font-weight:700;letter-spacing:5px;font-size:14px;margin-bottom:6px}
  .sec-title{text-align:center;font-weight:900;font-size:34px;letter-spacing:1px;margin-bottom:46px}

  .scard{
    background:#fff;border:1px solid #eef0f6;border-radius:30px;
    box-shadow:0 30px 70px -34px rgba(40,55,110,.28);
    padding:54px 56px;margin-bottom:40px;position:relative;overflow:hidden;
  }
  .badge-tag{
    display:inline-block;font-size:13px;font-weight:700;color:var(--blue);
    background:#eef2ff;border-radius:20px;padding:6px 16px;margin-bottom:18px;
  }
  .scard h3{font-weight:900;font-size:clamp(24px,3.4vw,40px);line-height:1.32;letter-spacing:.5px;margin-bottom:20px}
  .scard h3 .dom{font-family:var(--font-en);font-weight:800}
  .scard h3 .nb{white-space:nowrap}
  .scard h3 .hl2{display:block;white-space:nowrap}
  .scard-lead{font-size:15px;color:#55596b;font-weight:500;line-height:2;margin-bottom:26px}
  .underline{width:46px;height:4px;border-radius:4px;background:var(--grad)}

  .platform-grid{display:grid;grid-template-columns:0.82fr 1.18fr;gap:48px;align-items:center}
  .mock{border-radius:18px;box-shadow:0 24px 54px -22px rgba(40,55,110,.34);overflow:hidden}

  .features{display:grid;grid-template-columns:repeat(3,1fr);gap:34px;margin-top:48px;
    border-top:1px solid #eef0f6;padding-top:44px}
  .feat{position:relative}
  .feat-head{display:flex;align-items:center;gap:14px;margin-bottom:14px}
  .hex{width:34px;height:38px;flex:0 0 auto;display:grid;place-items:center;color:#fff;font-family:var(--font-en);font-weight:700;font-size:15px;
    clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}
  .hex.b{background:linear-gradient(150deg,#3b82f6,#2f6bf6)}
  .hex.p{background:linear-gradient(150deg,#9168f6,#7c4ef0)}
  .hex.k{background:linear-gradient(150deg,#f471b5,#ec4899)}
  .feat-icon{margin-left:auto;width:34px;height:34px}
  .feat-icon svg{width:34px;height:34px}
  .feat h4{font-weight:700;font-size:19px;margin-bottom:10px;letter-spacing:.3px}
  .feat p{font-size:14px;color:#62677a;font-weight:500;line-height:1.95}

  /* system provision */
  .sys-grid{display:grid;grid-template-columns:0.74fr 1.26fr;gap:44px;align-items:center}
  .sys-mocks{position:relative;display:flex;align-items:flex-end;gap:18px;justify-content:flex-end}
  .sys-dash{flex:1 1 auto;border-radius:16px;box-shadow:0 26px 56px -24px rgba(40,55,110,.34);overflow:hidden}
  .sys-mobile{width:185px;flex:0 0 auto;border-radius:26px;box-shadow:0 26px 50px -20px rgba(40,55,110,.32);overflow:hidden;margin-bottom:6px}

  /* ============ FOOTER ============ */
  footer{border-top:1px solid var(--line);padding:30px 0}
  .foot{display:flex;align-items:center;justify-content:space-between}
  .foot .brand-name{font-size:19px}
  .foot .brand-name .jp{font-size:16px}
  .copy{font-family:var(--font-en);font-size:12px;color:#9aa0ad;letter-spacing:.3px}

  /* background decorations (page-level) */
  .pagebg{position:absolute;pointer-events:none;z-index:0}
  .bg-dotgrid-1{width:120px;top:760px;left:34%;opacity:.7}
  .bg-blob-soft-1{width:340px;top:1020px;left:-150px;opacity:.6}
  .bg-blob-soft-2{width:300px;top:1500px;right:-130px;opacity:.55}
  .bg-dotgrid-2{width:110px;top:2050px;right:6%;opacity:.6}
  .service .wrap, .hero .wrap{position:relative;z-index:2}

  /* ============ RESPONSIVE ============ */
  @media (max-width:920px){
    .hero{padding:24px 0 56px}
    .hero-grid{grid-template-columns:1fr;gap:26px}
    .hero h1{font-size:clamp(30px,5.4vw,44px)}
    .platform-grid{grid-template-columns:1fr;gap:30px}
    .sys-grid{grid-template-columns:1fr;gap:30px}
    .features{grid-template-columns:1fr;gap:30px}
    .scard{padding:38px 28px}
    .scard h3{font-size:clamp(26px,5vw,38px)}
    .sys-mocks{justify-content:center}

    /* convert absolute collage -> guaranteed-visible grid */
    .collage{position:static;height:auto;max-width:560px;margin:0 auto;
      display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
    .collage .deco{display:none}
    .collage .ph,.collage .fcard{
      position:static;width:100%!important;top:auto;left:auto;right:auto;bottom:auto;
      border-radius:18px;margin:0;
    }
    .collage .ph{box-shadow:0 18px 40px -20px rgba(36,52,110,.3)}
    .collage .fc-search{grid-column:1 / -1}
    /* mobile stacking order: man + product / search(full) / stats + woman */
    .collage .ph-man{order:1}
    .collage .fc-products{order:2}
    .collage .fc-search{order:3}
    .collage .fc-stats{order:4}
    .collage .ph-woman{order:5}
  }
  @media (max-width:560px){
    .wrap{padding:0 18px}
    .hero h1{font-size:clamp(24px,6.6vw,40px)}
    .sec-title{font-size:27px}
    .sys-mobile{width:130px}
    .scard h3{font-size:clamp(22px,6vw,34px)}
    .foot{flex-direction:column;gap:14px;text-align:center}
  }