:root{
    --navy:#0C2340;
    --navy-2:#13314f;
    --ink:#16222F;
    --blue:#1F5BA8;
    --blue-bright:#2E78D6;
    --paper:#F4F7FB;
    --white:#FFFFFF;
    --tint:#E7F0FB;
    --tint-2:#F0F5FC;
    --red:#C8202B;
    --red-soft:#E2483F;
    --line:#D7DFEA;
    --line-soft:#E6ECF3;
    --muted:#5C6B7C;
    --muted-2:#8593A2;
    --shadow:0 18px 50px -24px rgba(12,35,64,.35);
    --shadow-sm:0 6px 22px -14px rgba(12,35,64,.3);
    --maxw:1140px;
    --r:14px;
  }

  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"Noto Sans JP",sans-serif;
    color:var(--ink);
    background:var(--paper);
    line-height:1.92;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  h1,h2,h3,h4{margin:0;line-height:1.42;letter-spacing:.01em;}
  p{margin:0;}
  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  ::selection{background:var(--blue-bright);color:#fff;}

  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
  .mincho{font-family:"Shippori Mincho",serif;}
  .num{font-family:"Archivo",sans-serif;font-variant-numeric:tabular-nums;letter-spacing:-.01em;}
  .en{font-family:"Inter",sans-serif;}

  /* eyebrow */
  .eyebrow{
    font-family:"Inter",sans-serif;
    font-size:.72rem;font-weight:600;letter-spacing:.22em;
    text-transform:uppercase;color:var(--blue);
    display:inline-flex;align-items:center;gap:.6em;margin-bottom:18px;
  }
  .eyebrow::before{content:"";width:26px;height:1.5px;background:var(--blue);display:inline-block;}
  .eyebrow .ja{font-family:"Noto Sans JP",sans-serif;letter-spacing:.16em;color:var(--muted);font-weight:500;}

  /* section shell */
  .section{padding:104px 0;}
  .section-head{max-width:760px;margin-bottom:52px;}
  .section-title{
    font-family:"Shippori Mincho",serif;font-weight:700;
    font-size:clamp(1.62rem,3.4vw,2.35rem);color:var(--navy);line-height:1.5;
  }
  .section-lead{margin-top:22px;color:var(--muted);font-size:1.02rem;}
  .section-title .accent{color:var(--red);}

  /* buttons */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:.6em;
    font-family:"Noto Sans JP",sans-serif;font-weight:700;font-size:.98rem;
    padding:16px 30px;border-radius:999px;cursor:pointer;border:1.5px solid transparent;
    transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
    white-space:nowrap;
  }
  .btn-primary{background:var(--red);color:#fff;box-shadow:0 14px 30px -14px rgba(200,32,43,.7);}
  .btn-primary:hover{background:var(--red-soft);transform:translateY(-2px);box-shadow:0 20px 38px -14px rgba(200,32,43,.75);}
  .btn-primary .arw{transition:transform .25s ease;}
  .btn-primary:hover .arw{transform:translateX(4px);}
  .btn-ghost{background:transparent;color:var(--navy);border-color:var(--line);}
  .btn-ghost:hover{border-color:var(--blue);color:var(--blue);background:#fff;}
  .btn-light{background:#fff;color:var(--navy);}
  .btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm);}

  /* ============ HEADER ============ */
  header{
    position:fixed;top:0;left:0;right:0;z-index:50;
    background:rgba(255,255,255,.86);backdrop-filter:blur(10px);
    border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s;
  }
  header.scrolled{border-color:var(--line-soft);box-shadow:0 4px 20px -16px rgba(12,35,64,.4);}
  .nav{display:flex;align-items:center;justify-content:space-between;height:72px;}
  .brand{display:flex;align-items:center;gap:11px;font-weight:700;color:var(--navy);font-size:1.02rem;letter-spacing:.02em;}
  .brand .mark{
    width:34px;height:34px;border-radius:9px;background:linear-gradient(150deg,var(--navy),var(--blue));
    display:grid;place-items:center;color:#fff;font-family:"Archivo";font-weight:800;font-size:1.05rem;
    box-shadow:0 6px 16px -8px rgba(31,91,168,.7);
  }
  .brand .mark::after{content:"SB";}
  header .brand .mark::after{content:none;}
  .brand small{display:block;font-size:.62rem;font-weight:500;color:var(--muted-2);letter-spacing:.14em;line-height:1;margin-top:3px;}
  .nav-links{display:flex;align-items:center;gap:30px;}
  .nav-links a{font-size:.86rem;font-weight:500;color:var(--muted);transition:color .2s;}
  .nav-links a:hover{color:var(--navy);}
  .nav-cta{display:flex;align-items:center;gap:14px;}
  .nav-cta .btn{padding:11px 22px;font-size:.86rem;}
  .nav-tel{font-family:"Archivo";font-weight:700;color:var(--navy);font-size:1.04rem;letter-spacing:.02em;}
  .nav-tel span{display:block;font-family:"Noto Sans JP";font-size:.6rem;color:var(--muted-2);font-weight:500;letter-spacing:.1em;}
  .burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;}
  .burger span{width:24px;height:2px;background:var(--navy);transition:.3s;}

  /* ============ HERO ============ */
  .hero{
    position:relative;padding:120px 0 90px;overflow:hidden;min-height:648px;
    background:
      radial-gradient(1100px 520px at 78% -8%, rgba(46,120,214,.10), transparent 60%),
      linear-gradient(180deg,#fff 0%,var(--paper) 100%);
  }
  .hero::before{
    content:"";position:absolute;inset:0;z-index:0;opacity:.5;
    background-image:
      linear-gradient(rgba(31,91,168,.05) 1px,transparent 1px),
      linear-gradient(90deg,rgba(31,91,168,.05) 1px,transparent 1px);
    background-size:34px 34px;
    -webkit-mask-image:linear-gradient(180deg,#000,transparent 75%);
    mask-image:linear-gradient(180deg,#000,transparent 75%);
  }
  .hero .wrap{position:relative;z-index:3;}
  .hero-copy{max-width:560px;}
  .hero-media{position:absolute;top:0;right:0;height:100%;width:62%;max-width:900px;display:flex;align-items:center;justify-content:flex-end;z-index:1;pointer-events:none;}
  .hero-ill{width:100%;height:auto;filter:drop-shadow(0 30px 50px rgba(12,35,64,.18));}
  .hero-fade{position:absolute;inset:0;z-index:2;pointer-events:none;background:linear-gradient(96deg,#ffffff 0%,#ffffff 40%,rgba(255,255,255,.84) 50%,rgba(255,255,255,0) 66%);}
  .hero-tag{
    display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:700;color:var(--blue);
    background:var(--tint);border:1px solid rgba(46,120,214,.22);padding:7px 16px;border-radius:999px;margin-bottom:26px;
  }
  .hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--blue-bright);box-shadow:0 0 0 4px rgba(46,120,214,.18);}
  .hero h1{
    font-family:"Shippori Mincho",serif;font-weight:800;color:var(--navy);
    font-size:clamp(2.05rem,4.7vw,3.45rem);line-height:1.34;letter-spacing:.005em;
  }
  .hero h1 .em{color:var(--red);position:relative;white-space:nowrap;}
  .hero h1 .em::after{content:"";position:absolute;left:0;right:0;bottom:.04em;height:.12em;background:rgba(200,32,43,.16);z-index:-1;}
  .hero-sub{margin-top:28px;font-size:1.06rem;color:var(--muted);max-width:30em;line-height:2;}
  .hero-sub b{color:var(--ink);font-weight:700;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px;}
  .hero-trust{display:flex;gap:0;margin-top:40px;border-top:1px solid var(--line);padding-top:26px;flex-wrap:wrap;}
  .hero-trust .t{padding-right:30px;margin-right:30px;border-right:1px solid var(--line);}
  .hero-trust .t:last-child{border:none;margin:0;padding:0;}
  .hero-trust .tn{font-family:"Archivo";font-weight:800;font-size:1.5rem;color:var(--navy);line-height:1.1;}
  .hero-trust .tn .u{font-size:.95rem;font-weight:700;margin-left:1px;}
  .hero-trust .tl{font-size:.74rem;color:var(--muted);font-weight:500;letter-spacing:.02em;}

  /* estimate card */
  .estimate{
    position:relative;background:#fff;border-radius:18px;border:1px solid var(--line);
    box-shadow:var(--shadow);padding:30px 30px 26px;
  }
  .estimate::before{content:"";position:absolute;inset:0;border-radius:18px;padding:1px;
    background:linear-gradient(160deg,rgba(46,120,214,.5),transparent 45%);
    -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
    -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;}
  .est-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1.5px dashed var(--line);}
  .est-top .lbl{display:flex;align-items:center;gap:9px;font-weight:700;color:var(--navy);font-size:.95rem;letter-spacing:.04em;}
  .est-top .lbl .en{font-family:"Inter";font-size:.62rem;color:var(--muted-2);letter-spacing:.18em;font-weight:600;background:var(--paper);padding:3px 8px;border-radius:5px;}
  .est-badge{font-size:.68rem;font-weight:700;color:var(--blue);background:var(--tint);border:1px solid rgba(46,120,214,.25);padding:4px 11px;border-radius:6px;}
  .est-row{display:flex;align-items:baseline;justify-content:space-between;padding:16px 0 6px;}
  .est-row .k{font-size:.84rem;color:var(--muted);font-weight:500;}
  .est-before{color:var(--muted-2);}
  .est-before .v{font-family:"Archivo";font-weight:600;font-size:1.18rem;text-decoration:line-through;text-decoration-color:rgba(200,32,43,.55);text-decoration-thickness:1.5px;}
  .est-after{padding-bottom:18px;border-bottom:1px solid var(--line-soft);}
  .est-after .v{font-family:"Archivo";font-weight:800;font-size:2.4rem;color:var(--navy);line-height:1;}
  .est-after .v .yen{font-size:1.2rem;font-weight:700;margin-right:2px;}
  .est-result{display:flex;align-items:center;justify-content:space-between;margin-top:18px;background:linear-gradient(120deg,#fdf2f2,#fff);border:1px solid rgba(200,32,43,.18);border-radius:12px;padding:14px 18px;}
  .est-cut .k{font-size:.72rem;color:var(--muted);font-weight:500;}
  .est-cut .v{font-family:"Archivo";font-weight:800;color:var(--red);font-size:1.18rem;}
  .est-rate{text-align:right;}
  .est-rate .k{font-size:.72rem;color:var(--muted);font-weight:500;}
  .est-rate .v{font-family:"Archivo";font-weight:900;color:var(--red);font-size:2.05rem;line-height:1;}
  .est-rate .v .tri{font-size:1.1rem;vertical-align:.18em;margin-right:1px;}
  .est-foot{margin-top:16px;font-size:.7rem;color:var(--muted-2);text-align:center;letter-spacing:.02em;}

  /* ============ PROBLEM ============ */
  .problem{background:var(--white);}
  .prob-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:8px;}
  .prob-card{
    display:flex;gap:18px;align-items:flex-start;background:var(--paper);
    border:1px solid var(--line-soft);border-radius:var(--r);padding:26px 26px;transition:transform .25s,box-shadow .25s,border-color .25s;
  }
  .prob-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:rgba(46,120,214,.3);}
  .prob-card .ic{flex:none;width:46px;height:46px;border-radius:11px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;color:var(--red);}
  .prob-card h4{font-size:1.02rem;color:var(--navy);font-weight:700;margin-bottom:8px;}
  .prob-card p{font-size:.9rem;color:var(--muted);line-height:1.85;}
  .prob-note{
    margin-top:34px;background:var(--navy);color:#fff;border-radius:var(--r);padding:30px 36px;
    display:flex;align-items:center;gap:22px;
  }
  .prob-note .tag{flex:none;font-family:"Shippori Mincho";font-weight:700;color:#fff;font-size:1.25rem;border-right:1px solid rgba(255,255,255,.22);padding-right:22px;line-height:1.5;}
  .prob-note p{font-size:.97rem;color:rgba(255,255,255,.82);line-height:1.9;}
  .prob-note b{color:#fff;}

  /* ============ CAUSE / B工事 ============ */
  .cause{background:var(--paper);}
  .cause-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:start;margin-top:8px;}
  .ko-list{display:flex;flex-direction:column;gap:14px;}
  .ko{display:grid;grid-template-columns:64px 1fr;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:.25s;}
  .ko .badge{display:grid;place-items:center;font-family:"Shippori Mincho";font-weight:700;font-size:1.5rem;color:#fff;background:var(--muted-2);}
  .ko .body{padding:18px 22px;}
  .ko .body h4{font-size:1.0rem;color:var(--navy);margin-bottom:4px;}
  .ko .body .desc{font-size:.82rem;color:var(--muted);}
  .ko .meta{display:flex;gap:18px;margin-top:9px;flex-wrap:wrap;}
  .ko .meta span{font-size:.74rem;color:var(--muted);}
  .ko .meta span b{color:var(--navy);font-weight:700;}
  .ko.trap{border-color:var(--red);box-shadow:0 14px 40px -22px rgba(200,32,43,.5);position:relative;overflow:visible;}
  .ko.trap .badge{background:linear-gradient(160deg,var(--red),var(--red-soft));border-radius:11px 0 0 11px;}
  .ko.trap .body h4{color:var(--red);}
  .ko.trap .meta span b{color:var(--red);}
  .ko-flag{position:absolute;top:-11px;right:14px;background:var(--red);color:#fff;font-size:.66rem;font-weight:700;padding:3px 12px;border-radius:6px;letter-spacing:.06em;}
  .cause-explain{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px 30px;box-shadow:var(--shadow-sm);position:sticky;top:96px;}
  .cause-explain .badge{font-family:"Inter";font-size:.68rem;font-weight:600;letter-spacing:.18em;color:var(--red);text-transform:uppercase;margin-bottom:14px;display:block;}
  .cause-explain h3{font-family:"Shippori Mincho";font-weight:700;font-size:1.3rem;color:var(--navy);line-height:1.6;margin-bottom:16px;}
  .cause-explain p{font-size:.92rem;color:var(--muted);line-height:1.95;}
  .cause-explain p+p{margin-top:14px;}
  .cause-explain .split{display:flex;gap:10px;margin:20px 0;}
  .cause-explain .split .s{flex:1;text-align:center;background:var(--paper);border-radius:10px;padding:13px 8px;}
  .cause-explain .split .s .who{font-size:.7rem;color:var(--muted);}
  .cause-explain .split .s .role{font-weight:700;color:var(--navy);font-size:.86rem;margin-top:3px;}
  .cause-explain .split .arrow{align-self:center;color:var(--red);font-weight:800;}

  /* ============ SOLUTION ============ */
  .solution{background:var(--navy);color:#fff;position:relative;overflow:hidden;}
  .solution::before{content:"";position:absolute;inset:0;opacity:.4;
    background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
    background-size:40px 40px;-webkit-mask-image:radial-gradient(900px 500px at 80% 0%,#000,transparent 70%);mask-image:radial-gradient(900px 500px at 80% 0%,#000,transparent 70%);}
  .solution .wrap{position:relative;z-index:1;}
  .solution .eyebrow{color:#7fb1f0;}
  .solution .eyebrow::before{background:#7fb1f0;}
  .solution .eyebrow .ja{color:rgba(255,255,255,.55);}
  .solution .section-title{color:#fff;}
  .solution .section-lead{color:rgba(255,255,255,.72);}
  .appro{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:14px;}
  .ap{background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:30px 26px;transition:.3s;backdrop-filter:blur(2px);}
  .ap:hover{background:rgba(255,255,255,.08);transform:translateY(-4px);border-color:rgba(127,177,240,.5);}
  .ap .no{font-family:"Archivo";font-weight:800;font-size:.95rem;color:#7fb1f0;letter-spacing:.08em;display:flex;align-items:center;gap:10px;margin-bottom:18px;}
  .ap .no::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,rgba(127,177,240,.4),transparent);}
  .ap h3{font-family:"Shippori Mincho";font-weight:700;font-size:1.16rem;color:#fff;line-height:1.55;margin-bottom:14px;}
  .ap>p{font-size:.88rem;color:rgba(255,255,255,.72);line-height:1.9;}
  .ap ul{list-style:none;padding:0;margin:20px 0 0;border-top:1px solid rgba(255,255,255,.1);padding-top:18px;display:flex;flex-direction:column;gap:11px;}
  .ap ul li{font-size:.82rem;color:rgba(255,255,255,.82);padding-left:24px;position:relative;line-height:1.7;}
  .ap ul li::before{content:"";position:absolute;left:0;top:.55em;width:12px;height:7px;border-left:2px solid #5fa0ed;border-bottom:2px solid #5fa0ed;transform:rotate(-45deg);}

  /* ============ DIFFERENCE ============ */
  .difference{background:var(--white);}
  .diff-grid{display:grid;grid-template-columns:1fr auto 1fr;gap:0;margin-top:10px;align-items:stretch;}
  .diff-col{padding:34px 34px;border-radius:var(--r);}
  .diff-col .tag{font-family:"Inter";font-size:.68rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;margin-bottom:14px;}
  .diff-col h3{font-family:"Shippori Mincho";font-weight:700;font-size:1.18rem;line-height:1.6;margin-bottom:18px;}
  .diff-col .meth{font-size:.86rem;line-height:1.85;}
  .diff-col .res{margin-top:20px;padding-top:18px;border-top:1px dashed;font-size:.84rem;}
  .diff-them{background:var(--paper);border:1px solid var(--line-soft);}
  .diff-them .tag{color:var(--muted-2);}
  .diff-them h3{color:var(--muted);}
  .diff-them .meth{color:var(--muted);}
  .diff-them .res{border-color:var(--line);color:var(--muted-2);}
  .diff-vs{display:grid;place-items:center;padding:0 22px;}
  .diff-vs .v{width:54px;height:54px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-family:"Archivo";font-weight:800;font-style:italic;font-size:1.1rem;box-shadow:var(--shadow-sm);}
  .diff-us{background:linear-gradient(160deg,#fff,#fbfdff);border:1.5px solid var(--blue);box-shadow:var(--shadow);}
  .diff-us .tag{color:var(--blue);}
  .diff-us h3{color:var(--navy);}
  .diff-us .meth{color:var(--ink);}
  .diff-us .res{border-color:rgba(46,120,214,.3);color:var(--navy);font-weight:600;}
  .diff-banner{margin-top:36px;text-align:center;background:var(--navy);border-radius:var(--r);padding:30px 24px;}
  .diff-banner p{color:rgba(255,255,255,.8);font-size:1rem;}
  .diff-banner .big{font-family:"Shippori Mincho";color:#fff;font-weight:700;font-size:clamp(1.2rem,2.6vw,1.7rem);margin-top:6px;}
  .diff-banner .big b{color:#ff8a82;font-family:"Archivo";font-weight:900;}

  /* ============ RESULTS ============ */
  .results{background:var(--paper);}
  .case-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:8px;}
  .case{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm);}
  .case-h{padding:24px 28px;border-bottom:1px solid var(--line-soft);display:flex;align-items:center;justify-content:space-between;gap:14px;}
  .case-h .no{font-family:"Archivo";font-weight:800;font-size:.78rem;color:#fff;background:var(--blue);padding:5px 12px;border-radius:6px;letter-spacing:.05em;}
  .case-h h3{font-size:1.06rem;color:var(--navy);font-weight:700;}
  .case-h .meta{font-size:.74rem;color:var(--muted);margin-top:3px;}
  .case-b{padding:26px 28px;}
  .case-flow{display:flex;align-items:center;gap:14px;margin-bottom:18px;}
  .case-flow .box{flex:1;background:var(--paper);border-radius:10px;padding:13px 14px;text-align:center;}
  .case-flow .box .k{font-size:.68rem;color:var(--muted);}
  .case-flow .box .v{font-family:"Archivo";font-weight:700;font-size:1.12rem;color:var(--navy);margin-top:3px;}
  .case-flow .box.bef .v{color:var(--muted-2);text-decoration:line-through;text-decoration-color:rgba(200,32,43,.45);}
  .case-flow .ar{color:var(--red);font-weight:800;font-size:1.2rem;}
  .case-rate{display:flex;align-items:center;justify-content:space-between;background:linear-gradient(120deg,#fdf2f2,#fff);border:1px solid rgba(200,32,43,.18);border-radius:12px;padding:14px 20px;margin-bottom:18px;}
  .case-rate .k{font-size:.8rem;color:var(--navy);font-weight:700;}
  .case-rate .v{font-family:"Archivo";font-weight:900;color:var(--red);font-size:2rem;line-height:1;}
  .case-rate .v .tri{font-size:1.05rem;vertical-align:.16em;}
  .case-rate.range .v{font-size:1.5rem;}
  .case-ksf{font-size:.86rem;color:var(--muted);line-height:1.9;}
  .case-ksf b{color:var(--navy);display:block;font-size:.78rem;letter-spacing:.04em;margin-bottom:5px;}
  .case-ksf b::before{content:"KEY SUCCESS FACTOR";font-family:"Inter";font-size:.6rem;color:var(--blue);letter-spacing:.16em;display:block;margin-bottom:4px;}

  /* ============ PRICING ============ */
  .pricing{background:var(--white);}
  .price-wrap{
    background:linear-gradient(155deg,var(--navy),var(--navy-2));border-radius:22px;
    padding:60px 56px;color:#fff;position:relative;overflow:hidden;text-align:center;
  }
  .price-wrap::before{content:"";position:absolute;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(46,120,214,.35),transparent 65%);top:-150px;right:-100px;}
  .price-wrap .eyebrow{color:#7fb1f0;justify-content:center;}
  .price-wrap .eyebrow::before{display:none;}
  .price-wrap .eyebrow .ja{color:rgba(255,255,255,.55);}
  .price-wrap h2{font-family:"Shippori Mincho";font-weight:700;font-size:clamp(1.5rem,3.4vw,2.3rem);line-height:1.5;position:relative;}
  .price-wrap h2 .accent{color:#ff8a82;}
  .price-wrap .lead{margin-top:20px;color:rgba(255,255,255,.78);font-size:1rem;max-width:34em;margin-left:auto;margin-right:auto;position:relative;}
  .price-three{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:42px;position:relative;}
  .pz{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:28px 18px;}
  .pz .k{font-size:.86rem;color:rgba(255,255,255,.78);font-weight:500;}
  .pz .v{font-family:"Archivo";font-weight:900;font-size:2.6rem;line-height:1.1;margin-top:8px;}
  .pz .v.zero{color:#fff;}
  .pz.alert .v{color:#ff8a82;font-size:1.5rem;line-height:1.4;font-family:"Noto Sans JP";font-weight:700;}
  .pz .sub{font-size:.72rem;color:rgba(255,255,255,.55);margin-top:6px;}

  /* ============ COVERAGE ============ */
  .coverage{background:var(--paper);}
  .cov-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:8px;}
  .cov{background:#fff;border:1px solid var(--line-soft);border-radius:14px;padding:28px 24px;transition:.25s;border-top:3px solid var(--blue);}
  .cov:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);}
  .cov .ic{width:48px;height:48px;border-radius:12px;background:var(--tint);display:grid;place-items:center;color:var(--blue);margin-bottom:16px;}
  .cov h4{font-size:1.04rem;color:var(--navy);margin-bottom:9px;}
  .cov p{font-size:.84rem;color:var(--muted);line-height:1.8;}
  .cov p .hl{color:var(--red);font-weight:700;}

  /* ============ FLOW ============ */
  .flow{background:var(--white);}
  .flow-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px 56px;margin-top:24px;}
  .fstep{position:relative;display:flex;align-items:flex-start;gap:22px;padding-top:26px;border-top:1px solid var(--line);}
  .fstep::before{content:"";position:absolute;top:-1px;left:0;width:46px;height:3px;background:var(--blue);}
  .fstep:last-child::before{background:var(--red);}
  .fnum{flex:none;font-family:"Archivo";font-weight:800;font-size:2.9rem;line-height:1;color:var(--navy);letter-spacing:-.01em;}
  .fnum .z{color:var(--line);}
  .fstep-body{flex:1;min-width:0;padding-top:3px;}
  .fstep h4{font-size:1.08rem;color:var(--navy);margin-bottom:9px;font-weight:700;line-height:1.4;}
  .fstep p{font-size:.9rem;color:var(--muted);line-height:1.8;}

  /* ============ FAQ ============ */
  .faq{background:var(--paper);}
  .faq-list{margin-top:10px;border-top:1px solid var(--line);}
  .qa{border-bottom:1px solid var(--line);}
  .qa summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:18px;padding:26px 8px 26px 4px;font-weight:700;color:var(--navy);font-size:1.02rem;}
  .qa summary::-webkit-details-marker{display:none;}
  .qa summary .q{font-family:"Archivo";font-weight:800;color:var(--blue);font-size:1.05rem;flex:none;}
  .qa summary .tx{flex:1;line-height:1.6;}
  .qa summary .pm{flex:none;width:26px;height:26px;position:relative;transition:.3s;}
  .qa summary .pm::before,.qa summary .pm::after{content:"";position:absolute;background:var(--blue);border-radius:2px;}
  .qa summary .pm::before{width:14px;height:2px;top:12px;left:6px;}
  .qa summary .pm::after{width:2px;height:14px;top:6px;left:12px;transition:.3s;}
  .qa[open] summary .pm::after{transform:rotate(90deg);opacity:0;}
  .qa .a{padding:0 8px 28px 38px;color:var(--muted);font-size:.92rem;line-height:1.95;}
  .qa .a b{color:var(--ink);}

  /* ============ DOWNLOAD ============ */
  .download{background:var(--navy);color:#fff;position:relative;overflow:hidden;}
  .download::before{content:"";position:absolute;inset:0;opacity:.4;
    background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
    background-size:40px 40px;-webkit-mask-image:radial-gradient(800px 500px at 20% 30%,#000,transparent 70%);mask-image:radial-gradient(800px 500px at 20% 30%,#000,transparent 70%);}
  .dl-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
  .dl-copy .eyebrow{color:#7fb1f0;}
  .dl-copy .eyebrow::before{background:#7fb1f0;}
  .dl-copy .eyebrow .ja{color:rgba(255,255,255,.55);}
  .dl-copy h2{font-family:"Shippori Mincho";font-weight:700;font-size:clamp(1.6rem,3.2vw,2.3rem);line-height:1.5;color:#fff;}
  .dl-copy p{margin-top:22px;color:rgba(255,255,255,.78);font-size:1rem;line-height:2;}
  .dl-doc{display:flex;align-items:center;gap:16px;margin-top:30px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:18px 22px;}
  .dl-doc .ic{width:44px;height:44px;border-radius:10px;background:var(--blue);display:grid;place-items:center;color:#fff;flex:none;}
  .dl-doc .t{font-weight:700;color:#fff;font-size:.95rem;}
  .dl-doc .s{font-size:.78rem;color:rgba(255,255,255,.6);}
  .dl-tel{margin-top:24px;font-size:.86rem;color:rgba(255,255,255,.7);}
  .dl-tel b{font-family:"Archivo";color:#fff;font-size:1.35rem;font-weight:700;letter-spacing:.02em;margin-left:8px;vertical-align:-1px;}

  .dl-form{background:#fff;border-radius:18px;padding:38px 36px;box-shadow:var(--shadow);}
  .dl-form h3{font-family:"Shippori Mincho";font-weight:700;color:var(--navy);font-size:1.2rem;margin-bottom:6px;}
  .dl-form .fnote{font-size:.78rem;color:var(--muted);margin-bottom:24px;}
  .field{margin-bottom:16px;}
  .field label{display:block;font-size:.8rem;font-weight:700;color:var(--navy);margin-bottom:7px;}
  .field label .req{color:var(--red);font-size:.7rem;margin-left:5px;}
  .field label .opt{color:var(--muted-2);font-size:.7rem;font-weight:500;margin-left:5px;}
  .field input{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:10px;font-family:inherit;font-size:.95rem;color:var(--ink);background:var(--paper);transition:.2s;}
  .field input:focus{outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(46,120,214,.12);}
  .dl-form .btn{width:100%;margin-top:8px;font-size:1.02rem;padding:17px;}
  .dl-form .priv{font-size:.72rem;color:var(--muted-2);text-align:center;margin-top:14px;line-height:1.7;}
  .dl-form .priv a{color:var(--blue);text-decoration:underline;}
  .form-done{display:none;text-align:center;padding:30px 10px;}
  .form-done.show{display:block;}
  .form-done .chk{width:62px;height:62px;border-radius:50%;background:var(--tint);color:var(--blue);display:grid;place-items:center;margin:0 auto 18px;}
  .form-done h3{margin-bottom:10px;}
  .form-done p{font-size:.9rem;color:var(--muted);line-height:1.9;}

  /* ============ FOOTER ============ */
  footer{background:#08182c;color:rgba(255,255,255,.6);padding:54px 0 30px;}
  .foot-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1);}
  .foot-brand .brand{color:#fff;margin-bottom:14px;}
  .foot-brand .brand .mark{background:linear-gradient(150deg,#1b3a5c,var(--blue));}
  .foot-brand p{font-size:.82rem;max-width:30em;line-height:1.9;}
  .foot-meta{font-size:.8rem;line-height:2;}
  .foot-meta .r{display:flex;gap:14px;}
  .foot-meta .r .k{color:rgba(255,255,255,.4);min-width:5em;}
  .foot-meta .r .v{color:rgba(255,255,255,.78);}
  .foot-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding-top:24px;font-size:.74rem;}
  .foot-nav{display:flex;gap:22px;flex-wrap:wrap;}
  .foot-nav a:hover{color:#fff;}
  .ph{color:#ffb3ad;background:rgba(255,179,173,.1);padding:1px 7px;border-radius:4px;font-size:.92em;border:1px dashed rgba(255,179,173,.4);}

  /* sticky mobile CTA */
  .sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:45;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-top:1px solid var(--line);padding:11px 16px;display:none;gap:10px;box-shadow:0 -8px 24px -18px rgba(12,35,64,.5);}
  .sticky-cta .btn{flex:1;padding:14px;}

  /* reveal */
  .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1);}
  .reveal.in{opacity:1;transform:none;}
  .reveal.d1{transition-delay:.08s;}.reveal.d2{transition-delay:.16s;}.reveal.d3{transition-delay:.24s;}

  /* ===== responsive ===== */
  @media(max-width:980px){
    .nav-links,.nav-tel{display:none;}
    .burger{display:flex;}
    .nav-cta .btn{padding:10px 16px;font-size:.8rem;}
    .hero{min-height:auto;padding:88px 0 50px;}
    .hero-copy{max-width:none;}
    .hero-sub{max-width:22em;}
    .hero-media{top:104px;right:-4%;left:auto;transform:none;width:75%;max-width:480px;height:auto;align-items:flex-start;justify-content:flex-end;}
    .hero-fade{background:linear-gradient(101deg,#ffffff 0%,#ffffff 37%,rgba(255,255,255,.74) 53%,rgba(255,255,255,.2) 74%,rgba(255,255,255,0) 100%);}
    .hero h1,.hero-sub{text-shadow:0 1px 14px rgba(255,255,255,.96),0 0 5px rgba(255,255,255,.85);}
    .reduce-badge{display:none;}
    .cause-grid{grid-template-columns:1fr;gap:30px;}
    .cause-explain{position:static;}
    .appro{grid-template-columns:1fr;}
    .diff-grid{grid-template-columns:1fr;gap:16px;}
    .diff-vs{padding:4px 0;}.diff-vs .v{transform:rotate(90deg);}
    .case-grid{grid-template-columns:1fr;}
    .price-three{grid-template-columns:1fr;}
    .cov-grid{grid-template-columns:1fr 1fr;}
    .flow-grid{grid-template-columns:1fr 1fr;gap:38px 30px;}
    .dl-grid{grid-template-columns:1fr;gap:36px;}
  }
  @media(max-width:680px){
    .section{padding:70px 0;}
    .wrap{padding:0 18px;}
    .nav{height:62px;}
    .nav-cta .btn-primary,.burger{display:none;}
    .brand{font-size:.92rem;gap:9px;}
    .brand .mark{width:30px;height:30px;font-size:.92rem;}
    .prob-grid{grid-template-columns:1fr;}
    .cov-grid{grid-template-columns:1fr;}
    .flow-grid{grid-template-columns:1fr;gap:26px;}
    .prob-note{flex-direction:column;align-items:flex-start;gap:14px;}
    .prob-note .tag{border-right:none;border-bottom:1px solid rgba(255,255,255,.2);padding:0 0 12px;}
    .price-wrap{padding:42px 26px;}
    .dl-form{padding:30px 24px;}
    .hero{padding:90px 0 60px;}
    .hero-trust .t{padding-right:18px;margin-right:18px;}
    .sticky-cta{display:flex;}
    body{padding-bottom:66px;}
    footer{padding-bottom:90px;}
  }
  @media(prefers-reduced-motion:reduce){
    *{scroll-behavior:auto;}
    .reveal{opacity:1 !important;transform:none !important;transition:none;}
  }

  /* ===== ILLUSTRATIONS ===== */
  .ill{display:block;max-width:100%;height:auto;}
  /* hero */
  .reduce-badge{position:absolute;right:3.5%;bottom:13%;left:auto;width:250px;z-index:4;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:16px 18px;}
  .reduce-badge .rb-lbl{font-size:.66rem;font-weight:700;color:var(--blue);letter-spacing:.06em;margin-bottom:9px;display:flex;align-items:center;justify-content:space-between;}
  .reduce-badge .rb-lbl .en{font-family:"Inter";font-size:.56rem;color:var(--muted-2);letter-spacing:.16em;font-weight:600;}
  .rb-row{display:flex;align-items:baseline;justify-content:space-between;font-size:.78rem;color:var(--muted);}
  .rb-row .k{font-weight:500;}
  .rb-row.bef b{font-family:"Archivo";font-weight:600;color:var(--muted-2);text-decoration:line-through;text-decoration-color:rgba(200,32,43,.5);text-decoration-thickness:1.5px;}
  .rb-row.aft{margin-top:3px;}
  .rb-row.aft .k{color:var(--navy);font-weight:700;font-size:.8rem;}
  .rb-row.aft b{font-family:"Archivo";font-weight:800;color:var(--navy);font-size:1.32rem;}
  .rb-row.aft b .yen{font-size:.8rem;font-weight:700;margin-right:1px;}
  .rb-rate{display:flex;align-items:center;justify-content:space-between;margin-top:11px;padding-top:10px;border-top:1px solid var(--line-soft);}
  .rb-rate .k{font-size:.74rem;color:var(--muted);font-weight:600;}
  .rb-rate b{font-family:"Archivo";font-weight:900;color:var(--red);font-size:1.5rem;line-height:1;}
  .rb-rate b .tri{font-size:.78rem;vertical-align:.16em;margin-right:1px;}
  /* problem */
  .prob-layout{display:grid;grid-template-columns:.92fr 1.08fr;gap:46px;align-items:center;}
  .prob-fig img{width:min(440px,100%);margin:0 auto;filter:drop-shadow(0 26px 38px rgba(12,35,64,.16));}
  .prob-points{display:flex;flex-direction:column;}
  .pp{padding:17px 4px 17px 24px;border-left:2px solid var(--line);position:relative;transition:border-color .25s;}
  .pp::before{content:"";position:absolute;left:-5px;top:23px;width:8px;height:8px;border-radius:50%;background:var(--red);}
  .pp:hover{border-color:rgba(200,32,43,.4);}
  .pp h4{font-size:1.02rem;color:var(--navy);margin-bottom:6px;font-weight:700;}
  .pp p{font-size:.9rem;color:var(--muted);line-height:1.8;}
  /* cause */
  .cause-fig{margin:0 0 18px;}
  .cause-fig img{width:100%;filter:drop-shadow(0 18px 28px rgba(12,35,64,.13));}
  /* solution */
  .sol-head{margin-bottom:50px;}
  .sol-head .section-head{margin-bottom:0;}
  .sol-head-fig img{width:min(420px,100%);margin-left:auto;filter:drop-shadow(0 26px 44px rgba(0,0,0,.4));}
  .ap-head{display:flex;align-items:center;gap:18px;margin-bottom:22px;}
  .ap-head .card-ill{width:124px;height:auto;flex:none;margin:0;filter:drop-shadow(0 14px 22px rgba(0,0,0,.35));}
  .ap-head-txt{flex:1;min-width:0;}
  .ap-head-txt .no{margin-bottom:8px;}
  .ap-head-txt h3{margin-bottom:0;font-size:1.08rem;line-height:1.5;}
  /* difference */
  .diff-banner{display:flex;align-items:center;gap:32px;text-align:left;}
  .diff-banner .db-fig{flex:none;}
  .diff-banner .db-fig img{width:148px;filter:drop-shadow(0 16px 26px rgba(0,0,0,.4));}
  .diff-banner .db-text{flex:1;}
  /* results */
  .case-fig{margin:2px 0 14px;text-align:center;}
  .case-fig img{width:min(300px,82%);filter:drop-shadow(0 18px 28px rgba(12,35,64,.16));}
  /* pricing */
  .price-fig{margin:32px auto 0;}
  .price-fig img{width:min(300px,68%);margin:0 auto;filter:drop-shadow(0 26px 42px rgba(0,0,0,.45));}
  /* coverage */
  .cov-fig{text-align:center;margin:0 auto 46px;}
  .cov-fig img{width:min(660px,100%);filter:drop-shadow(0 26px 40px rgba(12,35,64,.16));}
  /* flow */
  .flow-head{display:grid;grid-template-columns:1.06fr .94fr;gap:50px;align-items:center;margin-bottom:54px;}
  .flow-head .section-head{margin-bottom:0;}
  .flow-fig{margin:0;}
  .flow-fig img{display:block;width:100%;max-width:540px;margin-left:auto;filter:drop-shadow(0 22px 34px rgba(12,35,64,.13));}
  @media(max-width:980px){
    .flow-head{grid-template-columns:1fr;gap:22px;margin-bottom:38px;}
    .flow-fig img{margin:0 auto;max-width:520px;}
  }
  /* download */
  .dl-fig{margin:8px 0 24px;}
  .dl-fig img{width:min(380px,82%);filter:drop-shadow(0 24px 36px rgba(0,0,0,.45));}

  @media(max-width:980px){
    .prob-layout{grid-template-columns:1fr;gap:30px;}
    .prob-fig img{width:min(360px,78%);}
    .sol-head{grid-template-columns:1fr;gap:26px;}
    .sol-head-fig img{margin:0 auto;width:min(360px,78%);}
    .diff-banner{flex-direction:column;text-align:center;gap:18px;}
    .diff-banner .db-text{text-align:center;}
  }
  @media(max-width:560px){
    .hero-media{width:76%;right:-6%;top:96px;}
  }