:root{
    --bg:#FFFFFF; --alt:#F4F6FA; --alt-2:#EEF2F8;
    --ink:#101A2B; --ink-mut:#55607A; --ink-soft:#8A94A6;
    --brand:#123C82; --brand-2:#2E6BD6; --brand-wash:#EAF0FB;
    --pos:#12946A; --pos-wash:#E6F5EF; --amber:#B4801F;
    --line:#E4E9F1; --line-2:#D5DCE7;
    --sans:"Hiragino Kaku Gothic ProN","Yu Gothic Medium","Yu Gothic",Meiryo,system-ui,sans-serif;
    --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
    --wrap:1140px; --measure:37em;
  }
  *{box-sizing:border-box}
  body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.8;-webkit-font-smoothing:antialiased;font-feature-settings:"palt" 1}
  h1,h2,h3,h4{margin:0;text-wrap:balance;font-weight:700;letter-spacing:.01em}
  p{margin:0}
  a{color:inherit;text-decoration:none}
  .wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
  .eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--brand-2);font-weight:600}
  .btn{font-family:var(--sans);font-weight:700;font-size:.94rem;cursor:pointer;border-radius:6px;padding:.85em 1.5em;border:1.5px solid transparent;transition:background .18s,color .18s,border-color .18s,transform .15s;display:inline-block}
  .btn-p{background:var(--brand);color:#fff}
  .btn-p:hover{background:#0d2f68;transform:translateY(-1px)}
  .btn-o{background:#fff;color:var(--brand);border-color:var(--line-2)}
  .btn-o:hover{border-color:var(--brand);color:var(--brand)}
  a:focus-visible,.btn:focus-visible,input:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px}

  header.bar{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
  .bar .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
  .logo{font-weight:800;font-size:1.42rem;letter-spacing:.14em;color:var(--brand);display:flex;align-items:center;gap:.5em}
  .logo .dot{width:8px;height:8px;border-radius:50%;background:var(--brand-2)}
  .nav{display:flex;gap:24px;align-items:center;font-size:.9rem;color:var(--ink-mut)}
  .nav a:not(.btn):hover{color:var(--brand)}
  @media(max-width:900px){.nav a:not(.btn){display:none}}

  /* hero */
  .hero{border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fff,#fff 56%,var(--alt))}
  .hero .wrap{display:grid;grid-template-columns:1.08fr .92fr;gap:50px;align-items:center;padding:76px 28px 82px}
  .hero h1{font-size:clamp(2rem,4.3vw,3.3rem);line-height:1.38;margin:.55em 0 .5em;color:var(--ink)}
  .hero h1 .u{color:var(--brand);border-bottom:5px solid var(--brand-2);padding-bottom:.02em}
  .hero .lead{color:var(--ink-mut);font-size:clamp(1rem,1.5vw,1.14rem);max-width:31em;line-height:1.95}
  .hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
  .microtrust{margin-top:22px;font-size:.82rem;color:var(--ink-soft)}
  @media(max-width:860px){.hero .wrap{grid-template-columns:1fr;gap:38px;padding-top:52px}}

  /* ai ops card (hero right) */
  .card{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 24px 60px -30px rgba(18,60,130,.35);overflow:hidden}
  .card .top{background:var(--brand);color:#fff;padding:15px 20px;display:flex;align-items:center;justify-content:space-between;font-size:.9rem}
  .card .top b{font-weight:700}
  .card .top .st{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;background:rgba(255,255,255,.16);padding:.35em .7em;border-radius:999px}
  .apis{list-style:none;margin:0;padding:6px 8px}
  .apis li{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--line)}
  .apis li:last-child{border-bottom:none}
  .apis .m{font-family:var(--mono);font-size:.86rem;color:var(--ink)}
  .apis .m b{color:var(--brand-2)}
  .apis .ck{color:var(--pos);display:inline-flex;align-items:center;gap:6px;font-size:.74rem;font-family:var(--mono)}
  .card .foot{border-top:1px solid var(--line);padding:13px 20px;display:flex;justify-content:space-between;font-size:.8rem;color:var(--ink-mut);background:var(--alt-2)}

  .stats{background:var(--brand);color:#fff}
  .stats .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
  .stat{padding:30px 22px;border-left:1px solid rgba(255,255,255,.14)}
  .stat:first-child{border-left:none}
  .stat .n{font-family:var(--mono);font-size:1.7rem;font-variant-numeric:tabular-nums}
  .stat .l{color:#c9d7ef;font-size:.82rem;margin-top:6px}
  @media(max-width:720px){.stats .wrap{grid-template-columns:repeat(2,1fr)}.stat:nth-child(3){border-left:none}.stat{border-top:1px solid rgba(255,255,255,.14)}}

  .sec{padding:92px 0}
  .sec-head{max-width:var(--measure)}
  .sec-head h2{font-size:clamp(1.6rem,3vw,2.35rem);line-height:1.45;margin:.5em 0 .55em}
  .sec-head p{color:var(--ink-mut);line-height:1.95}
  .alt{background:var(--alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

  /* figures */
  .fig{margin:42px 0 0;background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px 20px 14px;overflow-x:auto}
  .fig svg{display:block;max-width:100%;height:auto;margin:0 auto}
  .fig .cap{margin-top:12px;text-align:center;color:var(--ink-mut);font-size:.82rem}
  .fig .cap b{color:var(--brand)}
  .whychips{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
  .whychips span{background:var(--brand-wash);color:var(--brand);border-radius:999px;padding:.55em 1.05em;font-size:.88rem;font-weight:700;display:inline-flex;align-items:center;gap:.5em}
  .subh{margin-top:64px;font-size:1.3rem;font-weight:700}
  .subh + p{color:var(--ink-mut);margin-top:.5em;max-width:var(--measure)}

  /* use-case: chat + steps */
  .uc{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:26px;align-items:start}
  .chat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;display:flex;flex-direction:column;gap:12px}
  .bub{max-width:90%;padding:12px 15px;border-radius:14px;font-size:.9rem;line-height:1.7}
  .bub .who{display:block;font-size:.64rem;font-family:var(--mono);letter-spacing:.08em;opacity:.75;margin-bottom:4px}
  .bub.user{align-self:flex-end;background:var(--brand);color:#fff;border-bottom-right-radius:4px}
  .bub.ai{align-self:flex-start;background:var(--alt-2);color:var(--ink);border-bottom-left-radius:4px}
  .bub.ai .chip2{display:inline-block;margin-top:9px;font-family:var(--mono);font-size:.7rem;background:var(--pos-wash);color:var(--pos);padding:.35em .6em;border-radius:6px;line-height:1.5}
  .sysline{align-self:center;font-size:.76rem;font-family:var(--mono);color:var(--pos);display:inline-flex;align-items:center;gap:8px}
  .steps{list-style:none;margin:2px 0 0;padding:0;counter-reset:s;display:flex;flex-direction:column;gap:15px}
  .steps li{position:relative;padding-left:46px;font-size:.92rem;line-height:1.65;color:var(--ink)}
  .steps li::before{counter-increment:s;content:counter(s);position:absolute;left:0;top:-1px;width:30px;height:30px;border-radius:8px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:700;font-size:.85rem;font-family:var(--mono)}
  .steps li b{color:var(--brand)}
  @media(max-width:760px){.uc{grid-template-columns:1fr}}

  /* audit band */
  .auditband{margin-top:40px;background:var(--brand);color:#fff;border-radius:14px;padding:30px 32px}
  .auditband .ab-head{display:flex;gap:18px;align-items:flex-start}
  .auditband .ab-ic{flex:none;width:46px;height:46px;border-radius:11px;background:rgba(255,255,255,.14);color:#fff;display:grid;place-items:center}
  .auditband .h{font-size:1.22rem;font-weight:700;line-height:1.5}
  .auditband p{margin:.5em 0 0;color:#c9d7ef;font-size:.93rem;line-height:1.85}
  .auditband b{color:#fff}
  .phaseflow{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:22px}
  .phaseflow .ph{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);border-radius:999px;padding:.5em 1.05em;font-size:.86rem;font-weight:700}
  .phaseflow .ph.rec{background:var(--pos-wash);color:#0f7a56;border-color:var(--pos-wash)}
  .phaseflow .ar{color:#9fb4d8;font-family:var(--mono);font-weight:700}

  /* real architecture */
  .real{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:46px}
  .rcard{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px 22px}
  .rcard .n{font-family:var(--mono);font-size:1.45rem;color:var(--brand);font-weight:700;letter-spacing:-.01em}
  .rcard h4{font-size:1.02rem;margin:9px 0 7px}
  .rcard p{color:var(--ink-mut);font-size:.88rem;line-height:1.75}
  @media(max-width:900px){.real{grid-template-columns:repeat(2,1fr)}}
  @media(max-width:560px){.real{grid-template-columns:1fr}}
  .realnote{margin-top:26px;border-left:3px solid var(--brand-2);padding:.4em 0 .4em 1em;font-size:1.04rem;line-height:1.85}
  .realnote b{color:var(--brand)}

  /* blog band */
  .bloglist{margin-top:40px;display:flex;flex-direction:column;gap:12px}
  .blogitem{display:flex;gap:14px;align-items:baseline;background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px 20px;color:var(--ink);font-weight:600;transition:border-color .18s,color .18s,transform .15s}
  .blogitem span{font-family:var(--mono);font-size:.72rem;color:var(--brand-2);flex:none}
  .blogitem:hover{border-color:var(--brand);color:var(--brand);transform:translateX(2px)}

  /* batch-less compare */
  .vs2{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:42px}
  .vscard{border:1px solid var(--line);border-radius:12px;padding:26px 24px;background:#fff}
  .vscard.old{background:var(--alt-2)}
  .vscard h3{font-size:1.06rem;margin-bottom:14px}
  .vscard.old h3{color:var(--ink-mut)}.vscard.new h3{color:var(--brand)}
  .vscard ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
  .vscard li{position:relative;padding-left:24px;font-size:.92rem;line-height:1.6;color:var(--ink)}
  .vscard.old li{color:var(--ink-mut)}
  .vscard.old li::before{content:"×";position:absolute;left:3px;top:-.05em;color:var(--amber);font-weight:800}
  .vscard.new li::before{content:"";position:absolute;left:4px;top:.55em;width:8px;height:8px;border-radius:2px;background:var(--pos)}
  @media(max-width:700px){.vs2{grid-template-columns:1fr}}

  /* cards grids */
  .out{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px}
  .ocard{background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px 24px;display:flex;flex-direction:column;gap:12px}
  .ocard .ic{width:42px;height:42px;border-radius:10px;background:var(--brand-wash);color:var(--brand);display:grid;place-items:center}
  .ocard h3{font-size:1.05rem;line-height:1.5}
  .ocard p{color:var(--ink-mut);font-size:.89rem;line-height:1.75}
  @media(max-width:900px){.out{grid-template-columns:repeat(2,1fr)}}
  @media(max-width:520px){.out{grid-template-columns:1fr}}

  .eng{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px}
  .ecard{background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px 26px;display:flex;flex-direction:column;gap:13px;position:relative;overflow:hidden}
  .ecard::before{content:"";position:absolute;left:0;top:0;height:4px;width:100%;background:var(--brand-2)}
  .ecard .rt{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;color:var(--brand-2)}
  .ecard h3{font-size:1.18rem;line-height:1.5}
  .ecard p{color:var(--ink-mut);font-size:.9rem;line-height:1.8}
  .ecard .pts{list-style:none;margin:4px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}
  .ecard .pts li{position:relative;padding-left:20px;font-size:.85rem;color:var(--ink)}
  .ecard .pts li::before{content:"";position:absolute;left:2px;top:.6em;width:7px;height:7px;border-radius:2px;background:var(--pos)}
  @media(max-width:860px){.eng{grid-template-columns:1fr}}

  /* pain */
  .pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:44px}
  .pcd{display:flex;gap:15px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 22px}
  .pcd .qi{flex:none;width:30px;height:30px;border-radius:8px;background:var(--brand-wash);color:var(--brand);display:grid;place-items:center;font-weight:800}
  .pcd .txt{font-size:.95rem;line-height:1.7}
  .pcd .cap{display:inline-block;margin-top:9px;font-family:var(--mono);font-size:.64rem;letter-spacing:.08em;color:var(--brand-2);background:var(--brand-wash);padding:.3em .65em;border-radius:999px}
  @media(max-width:760px){.pain-grid{grid-template-columns:1fr}}
  .painfoot{margin-top:26px;background:var(--brand);color:#fff;border-radius:12px;padding:26px 28px}
  .painfoot .h{font-size:1.12rem;font-weight:700;line-height:1.6}
  .painfoot p{margin:.5em 0 0;color:#c9d7ef;font-size:.92rem;line-height:1.85}
  .painfoot b{color:#fff}

  /* comparison */
  .cmpwrap{overflow-x:auto;margin-top:48px}
  table.cmp{border-collapse:collapse;width:100%;min-width:680px;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
  table.cmp th,table.cmp td{padding:17px 20px;text-align:left;vertical-align:top;border-top:1px solid var(--line);font-size:.92rem;line-height:1.7}
  table.cmp thead th{background:var(--alt-2);font-size:.85rem;border-top:none}
  table.cmp tbody th{font-weight:700;width:20%;background:#fff}
  table.cmp td.gen{color:var(--ink-mut);width:40%}
  table.cmp td.vg{width:40%;background:#fbfdff}
  table.cmp td.vg b{color:var(--brand)}
  .vgmark{display:inline-flex;align-items:center;gap:8px}.vgmark svg{flex:none;color:var(--pos)}

  /* time demo */
  .demo{display:grid;grid-template-columns:1fr 360px;gap:44px;align-items:center;margin-top:48px}
  .scrub-box{background:#fff;border:1px solid var(--line);border-radius:12px;padding:30px}
  .scrub-top{display:flex;justify-content:space-between;align-items:baseline}
  .scrub-top .lbl{font-family:var(--mono);font-size:.74rem;letter-spacing:.14em;color:var(--ink-soft)}
  .scrub-date{font-family:var(--mono);font-size:1.4rem;color:var(--brand);font-variant-numeric:tabular-nums}
  input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--brand-2) var(--fill,0%),var(--line-2) var(--fill,0%));margin:24px 0 8px;cursor:pointer}
  input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:#fff;border:3px solid var(--brand-2);box-shadow:0 2px 8px rgba(18,60,130,.3)}
  input[type=range]::-moz-range-thumb{width:17px;height:17px;border-radius:50%;background:#fff;border:3px solid var(--brand-2)}
  .scrub-scale{display:flex;justify-content:space-between;font-family:var(--mono);font-size:.66rem;color:var(--ink-soft)}
  .pcard{border:1px solid var(--line);border-radius:12px;padding:26px;background:#fff;position:relative;box-shadow:0 18px 44px -28px rgba(18,60,130,.4)}
  .pcard .state{position:absolute;top:16px;right:16px;font-family:var(--mono);font-size:.64rem;letter-spacing:.1em;padding:.35em .7em;border-radius:999px;font-weight:600}
  .state.live{color:var(--pos);background:var(--pos-wash)}.state.sched{color:var(--brand-2);background:var(--brand-wash)}
  .pcard .pname{font-size:.86rem;color:var(--ink-mut);margin-bottom:6px}
  .pcard .price{font-family:var(--mono);font-size:2.3rem;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.1}
  .pcard .price small{font-size:.9rem;color:var(--ink-soft);margin-left:4px}
  .pcard .camp{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:.88rem;min-height:2.6em}
  .pcard .camp b{color:var(--brand)}
  .pcard .eff{font-family:var(--mono);font-size:.7rem;color:var(--ink-soft);margin-top:10px}
  @media(max-width:820px){.demo{grid-template-columns:1fr}}

  .fmap{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px}
  .fbox{background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px 24px}
  .fbox .h{display:flex;align-items:center;gap:12px;margin-bottom:14px}
  .fbox .h .ic{width:36px;height:36px;border-radius:9px;background:var(--brand-wash);color:var(--brand);display:grid;place-items:center;flex:none}
  .fbox h3{font-size:1.04rem}
  .fbox ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
  .fbox li{position:relative;padding-left:20px;font-size:.89rem;color:var(--ink-mut);line-height:1.7}
  .fbox li::before{content:"";position:absolute;left:2px;top:.62em;width:7px;height:7px;border-radius:2px;background:var(--brand-2)}
  @media(max-width:900px){.fmap{grid-template-columns:repeat(2,1fr)}}
  @media(max-width:600px){.fmap{grid-template-columns:1fr}}

  .rel{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-top:48px}
  .ritem .ic{width:40px;height:40px;border-radius:10px;background:#fff;border:1px solid var(--line);color:var(--brand);display:grid;place-items:center;margin-bottom:14px}
  .ritem h4{font-size:1rem;margin-bottom:6px}
  .ritem p{color:var(--ink-mut);font-size:.85rem;line-height:1.7}
  @media(max-width:900px){.rel{grid-template-columns:repeat(2,1fr)}}
  @media(max-width:520px){.rel{grid-template-columns:1fr}}

  .cta{background:var(--brand);color:#fff}
  .cta .wrap{padding:84px 28px;text-align:center}
  .cta h2{font-size:clamp(1.7rem,3.4vw,2.5rem);line-height:1.45;color:#fff;margin-bottom:.4em}
  .cta p{color:#c9d7ef;max-width:33em;margin:0 auto 32px;line-height:1.9}
  .cta .hero-cta{justify-content:center}
  .cta .btn-p{background:#fff;color:var(--brand)}.cta .btn-p:hover{background:#eaf0fb}
  .cta .btn-o{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}.cta .btn-o:hover{border-color:#fff}

  footer{background:#0d1c33;color:#8fa0bd;font-size:.85rem}
  footer .wrap{padding:38px 28px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;align-items:center}
  footer .logo{color:#fff;font-size:1.1rem}

  .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
  .reveal.in{opacity:1;transform:none}
  @media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.btn,.ocard,.nav a{transition:none}}
  svg text{font-family:var(--sans)}

.skip-link{position:absolute;left:8px;top:-48px;z-index:300;background:#E81414;color:#fff;padding:8px 16px;border-radius:0 0 8px 8px;font-weight:700;font-size:.85rem;text-decoration:none;transition:top .15s}
.skip-link:focus{top:0}

  /* ---- お問い合わせ／資料請求フォーム（モーダル） ---- */
  .vmodal{position:fixed;inset:0;z-index:120;display:none}
  .vmodal.open{display:block}
  .vmodal-scrim{position:absolute;inset:0;background:rgba(16,26,43,.55);backdrop-filter:blur(2px)}
  .vmodal-box{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:min(94vw,520px);max-height:92vh;overflow-y:auto;background:#fff;border-radius:14px;padding:30px 30px 24px;box-shadow:0 30px 80px -20px rgba(16,26,43,.5)}
  .vmodal-box .close{position:absolute;top:10px;right:14px;background:none;border:none;font-size:1.5rem;line-height:1;color:var(--ink-soft);cursor:pointer}
  .vmodal-box h3{font-size:1.3rem;color:var(--ink);margin:0 0 6px}
  .vmodal-box .sub{color:var(--ink-mut);font-size:.9rem;line-height:1.7;margin:0 0 18px}
  .vform{display:flex;flex-direction:column;gap:12px}
  .vform>div{display:flex;flex-direction:column}
  .vform label{font-size:.8rem;font-weight:700;color:var(--ink)}
  .vform .req{color:#C0392B;font-size:.72rem;margin-left:.4em}
  .vform input,.vform textarea{width:100%;font-family:var(--sans);font-size:.95rem;padding:.72em .9em;border:1.5px solid var(--line-2);border-radius:8px;background:#fff;color:var(--ink);margin-top:5px}
  .vform input:focus,.vform textarea:focus{outline:none;border-color:var(--brand-2)}
  .vform label.consent{flex-direction:row;align-items:flex-start;gap:10px;background:var(--brand-wash);border-radius:8px;padding:12px 14px;font-size:.84rem;font-weight:700;color:var(--ink);line-height:1.75;cursor:pointer}
  .vform label.consent input{flex:none;width:19px;height:19px;margin-top:3px;accent-color:var(--brand)}
  .vform label.consent a{color:var(--brand-2);text-decoration:underline;text-underline-offset:3px}
  .vform .vmsg{display:none;background:#FDECEC;color:#C0392B;border-radius:8px;padding:11px 13px;font-size:.85rem;font-weight:700;line-height:1.6}
  .vform .vnote{color:var(--ink-soft);font-size:.72rem;margin:2px 0 0}
  .vform button[disabled]{opacity:.45;cursor:not-allowed}
  .vform .btn-p{align-self:flex-start}
  .vdone{text-align:center}
  .vdone .ic{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;margin:0 auto 14px;font-size:1.5rem;font-weight:800;background:var(--pos-wash);color:var(--pos)}
  .vdone.err .ic{background:#FDECEC;color:#C0392B}
  .vdone p{color:var(--ink-mut);font-size:.92rem;line-height:1.9;margin:0 0 20px}
  .vdone .btn-p{padding:.7em 2.2em}