:root {
    --blue:#70b9ed; --blue-h:rgba(112,185,237,0.56); --blue-l:#a7daee;
    --blue-pale:#eaf5fc; --blue-bg:#f0f8ff;
    --text:#111111; --body:#333333; --muted:#666666;
    --white:#ffffff; --gray:#f7f7f7; --border:#e8e8e8;
    --shadow:0px 2px 5px #b7def2; --max:1080px;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{font-family:'Noto Sans JP',sans-serif;color:var(--body);background:var(--white);line-height:1.7;font-size:16px}

  /* NAV */
  nav{position:fixed;top:0;width:100%;z-index:100;background:rgba(255,255,255,0.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);height:88px;display:flex;align-items:center;justify-content:space-between;padding:0 40px}
  .n-logo{font-family:'Noto Serif JP',serif;font-size:1.6rem;color:var(--text);font-weight:700;text-decoration:none;letter-spacing:.05em}
  .n-links{display:flex;gap:4px;list-style:none}
  .n-links a{font-size:14px;font-weight:700;color:var(--text);text-decoration:none;letter-spacing:.1em;padding:4px 12px;transition:color .2s}
  .n-links a:hover{color:var(--blue-l)}
  .n-cta{background:var(--blue);color:white;padding:12px 24px;border-radius:80px;font-size:14px;font-weight:700;letter-spacing:.15em;text-decoration:none;transition:background .2s;box-shadow:var(--shadow)}
  .n-cta:hover{background:var(--blue-h)}

  /* HERO — centered, text only */
  #hero{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:120px 40px 80px;background:var(--white);text-align:center}
  .hero-wrap{max-width:800px;width:100%}
  h1{font-size:clamp(2rem,4vw,3.2rem);font-weight:700;color:var(--text);line-height:1.4;letter-spacing:.03em;margin-bottom:24px}
  h1 em{color:var(--blue);font-style:normal}
  .hero-sub{font-size:17px;color:var(--muted);line-height:1.9;margin-bottom:36px}
  .hero-kpis{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;margin-bottom:36px}
  .kpi{border:2px solid var(--blue);border-radius:80px;padding:14px 24px;text-align:center;min-width:120px}
  .kpi-n{font-size:1.5rem;font-weight:700;color:var(--blue);display:block;line-height:1}
  .kpi-l{font-size:15px;color:var(--muted);letter-spacing:.05em;margin-top:4px;display:block}
  .hero-btns{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
  .btn-p{background:var(--blue);color:white;padding:14px 32px;border-radius:80px;font-size:14px;font-weight:700;letter-spacing:.12em;text-decoration:none;transition:background .2s;box-shadow:var(--shadow);border:none;cursor:pointer;font-family:'Noto Sans JP',sans-serif}
  .btn-p:hover{background:var(--blue-h)}
  .btn-o{background:transparent;color:var(--blue);border:2px solid var(--blue);padding:12px 28px;border-radius:80px;font-size:14px;font-weight:700;letter-spacing:.12em;text-decoration:none;transition:all .2s;cursor:pointer}
  .btn-o:hover{background:var(--blue);color:white}

  /* LOGO STRIP */
  #logos{background:var(--gray);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:32px 40px}
  .logos-inner{max-width:var(--max);margin:0 auto}
  .logos-label{font-size:15px;font-weight:700;letter-spacing:.15em;color:var(--muted);text-align:center;margin-bottom:20px;text-transform:uppercase}
  .logos-row{display:flex;align-items:center;justify-content:center;gap:40px;flex-wrap:wrap}
  .logo-slot{height:36px;display:flex;align-items:center;justify-content:center;opacity:.45;filter:grayscale(1);transition:opacity .2s}
  .logo-slot:hover{opacity:.7}
  /* SVG placeholder logos */
  .logo-slot svg{height:28px;width:auto}

  /* SECTION COMMON */
  .sw{padding:80px 40px}
  .si{max-width:var(--max);margin:0 auto}
  .sh{margin-bottom:44px}
  .eye{font-size:15px;font-weight:700;letter-spacing:.2em;color:var(--blue);text-transform:uppercase;margin-bottom:10px}
  h2{font-size:clamp(1.4rem,2.2vw,1.8rem);font-weight:700;color:var(--text);line-height:1.4;letter-spacing:.05em;margin-bottom:10px}
  .lead{font-size:15px;color:var(--muted);max-width:560px}

  /* WHY — icon + card layout */
  #why{background:var(--white)}
  .why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .why-card{border:1.5px solid var(--border);border-radius:16px;padding:36px 28px;transition:box-shadow .3s,border-color .3s;position:relative;overflow:hidden}
  .why-card:hover{box-shadow:0 8px 28px rgba(112,185,237,.14);border-color:var(--blue)}
  .why-icon{width:56px;height:56px;border-radius:14px;background:var(--blue-pale);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
  .why-icon svg{width:28px;height:28px;stroke:var(--blue);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
  .why-num-bg{position:absolute;right:-8px;top:-8px;font-size:5rem;font-weight:700;color:var(--blue);opacity:.05;font-family:'Noto Serif JP',serif;line-height:1;pointer-events:none}
  .why-card h3{font-size:15px;font-weight:700;color:var(--text);margin-bottom:10px;line-height:1.5}
  .why-card p{font-size:14px;color:var(--muted);line-height:1.85}
  .why-tag{display:inline-block;background:var(--blue-pale);color:var(--blue);font-size:15px;font-weight:700;padding:3px 10px;border-radius:80px;margin-bottom:12px;letter-spacing:.06em}

  /* ATTRIBUTES — icon cards with SVG */
  #attributes{background:var(--blue-bg)}
  .attr-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
  .attr-card{background:white;border-radius:14px;padding:32px 20px;text-align:center;box-shadow:0 3px 16px rgba(112,185,237,.08)}
  .attr-ill{width:72px;height:72px;border-radius:50%;background:var(--blue-pale);display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
  .attr-ill svg{width:36px;height:36px;stroke:var(--blue);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
  .attr-n{font-size:1rem;font-weight:700;color:var(--blue);display:block;margin-bottom:5px}
  .attr-card h3{font-size:14px;font-weight:700;color:var(--text);margin-bottom:7px}
  .attr-card p{font-size:15px;color:var(--muted);line-height:1.75}

  /* HOWTO */
  #howto{background:var(--white)}
  .steps{display:flex;position:relative;align-items:flex-start}
  .steps::before{content:'';position:absolute;top:35px;left:10%;right:10%;height:1.5px;background:linear-gradient(to right,var(--blue),var(--blue-l));opacity:.25}
  .step{flex:1;text-align:center;padding:0 10px;position:relative;z-index:1}
  .step-c{width:70px;height:70px;border-radius:50%;background:var(--blue);color:white;display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:700;margin:0 auto 18px;box-shadow:var(--shadow)}
  .step h3{font-size:14px;font-weight:700;color:var(--text);margin-bottom:7px;line-height:1.4}
  .step p{font-size:14px;color:var(--muted);line-height:1.75}
  .step-tag{display:inline-block;background:var(--blue-pale);color:var(--blue);font-size:15px;font-weight:700;padding:3px 10px;border-radius:80px;margin-top:7px}

  /* PRICING — 3 column fee display */
  #pricing{background:var(--gray)}
  .pricing-top{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:20px}
  .fee-card{background:white;border-radius:16px;padding:36px 28px;border:1.5px solid var(--border);text-align:center;transition:box-shadow .3s}
  .fee-card:hover{box-shadow:0 8px 28px rgba(112,185,237,.12)}
  .fee-card.accent{background:var(--blue);border-color:var(--blue);color:white}
  .fee-icon{width:48px;height:48px;border-radius:12px;background:var(--blue-pale);display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
  .fee-card.accent .fee-icon{background:rgba(255,255,255,.2)}
  .fee-icon svg{width:24px;height:24px;stroke:var(--blue);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
  .fee-card.accent .fee-icon svg{stroke:white}
  .fee-label{font-size:15px;font-weight:700;letter-spacing:.1em;color:var(--muted);margin-bottom:10px}
  .fee-card.accent .fee-label{color:rgba(255,255,255,.7)}
  .fee-price{font-size:2.4rem;font-weight:700;color:var(--text);line-height:1;margin-bottom:6px}
  .fee-card.accent .fee-price{color:white}
  .fee-price span{font-size:.9rem;font-weight:400;opacity:.6;margin-left:2px}
  .fee-note{font-size:14px;color:var(--muted);line-height:1.7}
  .fee-card.accent .fee-note{color:rgba(255,255,255,.65)}
  .pricing-info{background:white;border-radius:14px;padding:24px 28px;border:1.5px solid var(--border)}
  .pricing-info-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:12px}
  .pricing-info-list{display:flex;flex-wrap:wrap;gap:10px 32px}
  .pricing-info-list li{font-size:14px;color:var(--muted);list-style:none;display:flex;align-items:center;gap:7px}
  .pricing-info-list li::before{content:'✓';color:var(--blue);font-weight:700}

  /* CASES */
  #cases{background:var(--white)}
  .cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
  .case-card{border:1.5px solid var(--border);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .3s,border-color .3s}
  .case-card:hover{box-shadow:0 8px 28px rgba(112,185,237,.12);border-color:var(--blue-l)}
  .case-img{height:160px;background:linear-gradient(135deg,var(--blue-bg),rgba(112,185,237,.2));display:flex;align-items:center;justify-content:center;font-size:3rem}
  .case-body{padding:20px 20px 24px;display:flex;flex-direction:column;flex:1;min-height:160px}
  .case-cat{font-size:15px;font-weight:700;letter-spacing:.1em;color:var(--blue);margin-bottom:8px}
  .case-card h3{font-size:14px;font-weight:700;color:var(--text);margin-bottom:8px;line-height:1.5}
  .case-card p{font-size:14px;color:var(--muted);line-height:1.8}
  .case-r{margin-top:14px;padding:10px 12px;background:var(--blue-pale);border-radius:7px;font-size:15px;font-weight:500;color:var(--blue)}

  /* VOICE */
  #voice{background:var(--blue-bg)}
  .voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .vc{background:white;border-radius:14px;padding:28px 24px;box-shadow:0 3px 16px rgba(112,185,237,.08);position:relative}
  .vq{font-size:3rem;color:var(--blue);opacity:.2;position:absolute;top:10px;left:20px;line-height:1;font-family:'Noto Serif JP',serif}
  .vc p{font-size:14px;color:var(--body);line-height:1.85;margin-bottom:18px;padding-top:18px}
  .vp{display:flex;align-items:center;gap:10px}
  .va{width:38px;height:38px;border-radius:50%;background:var(--blue);color:white;font-size:.85rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
  .vname{font-size:14px;font-weight:700;color:var(--text)}
  .vrole{font-size:15px;color:var(--muted)}

  /* FAQ */
  #faq{background:var(--white)}
  .faq-list{max-width:760px}
  .fi{border-bottom:1px solid var(--border);padding:18px 0;cursor:pointer}
  .fq{display:flex;justify-content:space-between;align-items:flex-start;gap:14px}
  .fqt{font-size:14px;font-weight:700;color:var(--text);line-height:1.5}
  .ficon{width:26px;height:26px;border-radius:50%;background:var(--blue-pale);color:var(--blue);display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:700;flex-shrink:0;transition:transform .3s,background .3s}
  .fi.open .ficon{transform:rotate(45deg);background:var(--blue);color:white}
  .fa{font-size:14px;color:var(--muted);line-height:1.85;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .3s}
  .fi.open .fa{max-height:300px;padding-top:12px}

  /* COMPARISON TABLE — 3 columns */
  .cmp-wrap{background:var(--blue-bg);border-radius:14px;padding:28px;margin-top:44px;max-width:760px}
  .cmp-wrap h3{font-size:14px;font-weight:700;color:var(--text);margin-bottom:18px}
  table.cmp{width:100%;border-collapse:collapse;font-size:14px}
  table.cmp th{background:var(--blue);color:white;padding:10px 14px;text-align:left;font-weight:700;font-size:15px;letter-spacing:.04em}
  table.cmp th:first-child{width:110px}
  table.cmp th.h-reelu{background:#1a8fd1}
  table.cmp td{padding:11px 14px;border-bottom:1px solid var(--border);background:white;vertical-align:top}
  table.cmp tr:last-child td{border-bottom:none}
  table.cmp td:first-child{font-weight:700;color:var(--text)}
  .ck{color:var(--blue);font-weight:700}
  .ng{color:#bbb}

  /* CONTACT */
  #contact{background:var(--blue-bg);padding:80px 40px}
  .ct-in{max-width:var(--max);margin:0 auto;text-align:center}
  .ct-t{font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:700;color:var(--text);letter-spacing:.05em;line-height:1.5;margin-bottom:10px}
  .ct-l{font-size:15px;color:var(--muted);margin-bottom:40px;line-height:1.7}
  .ct-bs{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-bottom:48px}
  .fb{background:white;border-radius:18px;padding:44px 40px;max-width:660px;margin:0 auto;text-align:left;box-shadow:0 6px 32px rgba(112,185,237,.1)}
  .fb-t{font-size:15px;font-weight:700;color:var(--text);margin-bottom:24px;text-align:center}
  .frow{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
  .fg{display:flex;flex-direction:column;gap:5px;margin-bottom:12px}
  .fg label{font-size:15px;font-weight:700;color:var(--text);letter-spacing:.04em}
  .fg input,.fg select,.fg textarea{border:1.5px solid var(--border);border-radius:8px;padding:10px 13px;font-size:14px;font-family:'Noto Sans JP',sans-serif;color:var(--text);outline:none;transition:border-color .2s;width:100%}
  .fg input:focus,.fg select:focus,.fg textarea:focus{border-color:var(--blue)}
  .fg textarea{min-height:84px;resize:vertical}
  .fsub{width:100%;background:var(--blue);color:white;border:none;border-radius:80px;padding:15px;font-size:14px;font-weight:700;letter-spacing:.12em;cursor:pointer;font-family:'Noto Sans JP',sans-serif;transition:background .2s;margin-top:6px;box-shadow:var(--shadow)}
  .fsub:hover{background:var(--blue-h)}
  .fn{font-size:15px;color:var(--muted);text-align:center;margin-top:9px}

  /* FOOTER */
  footer{font-size:14px}
  .fls a:hover{color:white}

  @keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
  h1{animation:fadeUp .5s .07s ease both}
  .hero-sub{animation:fadeUp .5s .14s ease both}
  .hero-kpis{animation:fadeUp .5s .2s ease both}
  .hero-btns{animation:fadeUp .5s .27s ease both}

  @media(max-width:1024px){
    .sw{padding:56px 24px}
    .why-grid,.cases-grid,.voice-grid{grid-template-columns:1fr}
    .attr-grid{grid-template-columns:repeat(2,1fr)}
    .pricing-top{grid-template-columns:1fr}
    .steps{flex-wrap:wrap}.steps::before{display:none}
    .step{width:50%;flex:none;padding:14px}
    footer{flex-direction:column;gap:12px;text-align:center}
    nav{padding:0 20px}.n-links{display:none}
    #hero{padding:100px 24px 56px}
    #contact{padding:56px 24px}
    #logos{padding:24px}
  }
  @media(max-width:640px){
    .frow{grid-template-columns:1fr}.fb{padding:28px 18px}
    .hero-kpis{gap:10px}.kpi{min-width:88px}
    .logos-row{gap:24px}
    table.cmp{font-size:15px}
    table.cmp th,table.cmp td{padding:8px 10px}
  }