:root{
    --ink:#2f2725;
    --ink-soft:#6b615b;
    --paper:#faf8f5;
    --paper-2:#f0ebe4;
    --line:rgba(47,39,37,.13);
    --line-soft:rgba(47,39,37,.08);
    --paper-on-dark:#f4f0ea;
    --mincho:"Shippori Mincho", serif;
    --sans:"Zen Kaku Gothic New", sans-serif;
    --latin:"Cormorant Garamond", serif;
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    font-family:var(--sans);
    background:var(--paper);
    color:var(--ink);
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  .wrap{max-width:1160px;margin:0 auto;padding:0 28px;}
  .eyebrow{
    font-family:var(--latin);
    font-style:italic;
    font-size:1.15rem;
    letter-spacing:.04em;
    color:var(--ink-soft);
    display:block;
    margin-bottom:18px;
  }
  a{color:inherit;text-decoration:none;}

  /* ===== Header ===== */
  header{
    position:fixed;top:0;left:0;right:0;z-index:100;
    display:flex;align-items:center;justify-content:space-between;
    padding:22px 40px;
    transition:background .4s ease, padding .4s ease, box-shadow .4s ease;
  }
  header.scrolled{
    background:rgba(250,248,245,.9);
    backdrop-filter:saturate(140%) blur(14px);
    padding:14px 40px;
    box-shadow:0 1px 0 var(--line-soft);
  }
  .logo{display:flex;align-items:center;gap:11px;font-weight:500;letter-spacing:.02em;font-size:1.02rem;}
  .logo .mark{
    width:30px;height:30px;border:1.5px solid var(--ink);
    display:flex;align-items:center;justify-content:center;
    font-family:var(--latin);font-style:italic;font-size:1.05rem;font-weight:600;
  }
  .logo .mark-img{height:30px;width:auto;display:block;}
  footer .logo .mark-img{height:26px;}
  nav{display:flex;align-items:center;gap:34px;}
  nav a{
    position:relative;font-size:.86rem;letter-spacing:.06em;color:var(--ink);
    font-family:var(--latin);font-size:1.05rem;
  }
  nav a::after{
    content:"";position:absolute;left:0;bottom:-4px;width:0;height:1px;background:var(--ink);transition:width .35s ease;
  }
  nav a:hover::after{width:100%;}
  .tag{
    font-family:var(--latin);font-style:italic;font-size:1rem;color:var(--ink-soft);
    border-left:1px solid var(--line);padding-left:18px;
  }
  .nav-toggle{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;}
  .nav-toggle span{width:24px;height:1.5px;background:var(--ink);transition:.3s;}

  /* ===== Hero ===== */
  .hero{
    min-height:100vh;display:flex;flex-direction:column;justify-content:center;
    padding:160px 0 90px;position:relative;
  }
  .hero::before{
    content:"OFFICIAL WEBSITE";
    position:absolute;top:120px;right:40px;
    font-family:var(--latin);letter-spacing:.5em;font-size:.7rem;color:var(--ink-soft);
    writing-mode:vertical-rl;opacity:.6;
  }
  .hero h1{
    font-family:var(--mincho);font-weight:700;
    font-size:clamp(2.3rem,6vw,5rem);
    line-height:1.45;letter-spacing:.02em;
    margin-bottom:38px;
  }
  .hero h1 .ln{display:block;overflow:hidden;}
  .hero h1 .ln i{display:inline-block;font-style:normal;transform:translateY(110%);opacity:0;
    animation:rise 1s cubic-bezier(.22,1,.36,1) forwards;}
  .hero h1 .ln:nth-child(1) i{animation-delay:.15s;}
  .hero h1 .ln:nth-child(2) i{animation-delay:.32s;}
  .hero h1 .ln:nth-child(3) i{animation-delay:.49s;}
  @keyframes rise{to{transform:translateY(0);opacity:1;}}
  .hero p.lead{
    max-width:620px;font-size:1.02rem;color:var(--ink-soft);line-height:2.1;
    margin-bottom:48px;opacity:0;animation:fade 1s ease forwards .8s;
  }
  @keyframes fade{to{opacity:1;}}
  .hero .cta{display:flex;gap:18px;flex-wrap:wrap;opacity:0;animation:fade 1s ease forwards 1s;}
  .btn{
    display:inline-flex;align-items:center;gap:12px;
    padding:16px 34px;font-size:.92rem;letter-spacing:.04em;font-weight:500;
    border:1px solid var(--ink);transition:.35s ease;
  }
  .btn .arr{transition:transform .35s ease;}
  .btn:hover .arr{transform:translateX(5px);}
  .btn--solid{background:var(--ink);color:var(--paper);}
  .btn--solid:hover{background:#1c1714;}
  .btn--ghost:hover{background:var(--ink);color:var(--paper);}

  /* ===== Foundation band ===== */
  .foundation{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper-2);}
  .foundation .wrap{display:grid;grid-template-columns:1.1fr 1fr 1fr;}
  .found-head{padding:46px 36px 46px 0;}
  .found-head .ttl{font-family:var(--latin);font-size:1.5rem;line-height:1.3;color:var(--ink);}
  .found-item{padding:46px 36px;border-left:1px solid var(--line);}
  .found-item .k{font-family:var(--latin);font-style:italic;color:var(--ink-soft);font-size:1.05rem;margin-bottom:8px;}
  .found-item .v{font-family:var(--mincho);font-size:1.3rem;font-weight:600;letter-spacing:.02em;}

  /* ===== Section base ===== */
  section.block{padding:130px 0;}
  .sec-head{margin-bottom:64px;max-width:760px;}
  .sec-head h2{font-family:var(--mincho);font-weight:700;font-size:clamp(1.9rem,3.6vw,2.9rem);line-height:1.4;letter-spacing:.02em;margin-bottom:22px;}
  .sec-head p{color:var(--ink-soft);font-size:1rem;line-height:2.1;}

  /* ===== Services ===== */
  .services{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--line);}
  .svc{padding:54px 40px 60px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);position:relative;transition:background .4s ease;}
  .svc:first-child{border-left:1px solid var(--line);}
  .svc:hover{background:var(--paper-2);}
  .svc .no{font-family:var(--latin);font-style:italic;font-size:1.1rem;color:var(--ink-soft);}
  .svc .ic{margin:26px 0 28px;width:46px;height:46px;color:var(--ink);}
  .svc h3{font-family:var(--mincho);font-weight:600;font-size:1.35rem;letter-spacing:.02em;margin-bottom:18px;}
  .svc p{color:var(--ink-soft);font-size:.94rem;line-height:2.05;}
  .svc .more{margin-top:26px;font-family:var(--latin);font-style:italic;color:var(--ink);font-size:1rem;display:inline-flex;align-items:center;gap:8px;opacity:0;transform:translateY(6px);transition:.4s ease;}
  .svc:hover .more{opacity:1;transform:translateY(0);}

  /* ===== About (dark) ===== */
  .about{background:var(--ink);color:var(--paper-on-dark);padding:140px 0;}
  .about .eyebrow{color:rgba(244,240,234,.6);}
  .about h2{font-family:var(--mincho);font-weight:700;font-size:clamp(2rem,4.4vw,3.4rem);line-height:1.5;letter-spacing:.03em;margin-bottom:40px;}
  .about p{max-width:680px;color:rgba(244,240,234,.78);font-size:1.04rem;line-height:2.3;}
  .about .grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:end;}
  .about .stat{border-top:1px solid rgba(244,240,234,.18);padding-top:22px;}
  .about .stat .n{font-family:var(--mincho);font-size:2.4rem;font-weight:700;}
  .about .stat .l{font-family:var(--latin);font-style:italic;color:rgba(244,240,234,.6);font-size:1.02rem;}

  /* ===== Company ===== */
  .profile{border-top:1px solid var(--line);}
  .profile .row{display:grid;grid-template-columns:220px 1fr;gap:24px;padding:26px 4px;border-bottom:1px solid var(--line);}
  .profile dt{font-family:var(--latin);font-style:italic;font-size:1.15rem;color:var(--ink-soft);}
  .profile dd{font-family:var(--sans);font-size:1rem;color:var(--ink);line-height:1.9;}
  .profile dd a{border-bottom:1px solid var(--line);transition:border-color .3s ease;}
  .profile dd a:hover{border-bottom-color:var(--ink);}

  /* ===== Contact ===== */
  .contact{padding:140px 0;text-align:center;}
  .contact h2{font-family:var(--mincho);font-weight:700;font-size:clamp(2rem,4.4vw,3.2rem);letter-spacing:.03em;margin-bottom:26px;}
  .contact p{color:var(--ink-soft);max-width:540px;margin:0 auto 56px;line-height:2.1;}
  .cform{max-width:600px;margin:0 auto;text-align:left;}
  .field{margin-bottom:32px;}
  .field label{display:block;font-family:var(--latin);font-style:italic;font-size:1.1rem;color:var(--ink-soft);margin-bottom:8px;}
  .field label .req{font-family:var(--sans);font-style:normal;font-size:.6rem;letter-spacing:.1em;color:var(--paper);background:var(--ink);padding:2px 7px;margin-left:10px;vertical-align:middle;border-radius:2px;}
  .field input,.field textarea{
    width:100%;background:transparent;border:none;border-bottom:1px solid var(--line);
    padding:12px 2px;font-family:var(--sans);font-size:1rem;color:var(--ink);line-height:1.7;transition:border-color .35s ease;
  }
  .field input::placeholder,.field textarea::placeholder{color:rgba(47,39,37,.32);}
  .field input:focus,.field textarea:focus{outline:none;border-bottom-color:var(--ink);}
  .field textarea{resize:vertical;min-height:128px;}
  .cform .btn{width:100%;justify-content:center;margin-top:10px;cursor:pointer;font-family:var(--sans);}
  .cform .note{font-size:.8rem;color:var(--ink-soft);margin-top:24px;line-height:1.9;}
  .cform .formStatus{margin-top:18px;font-size:.92rem;line-height:1.8;display:none;}
  .cform .formStatus.show{display:block;}
  .cform .formStatus.ok{color:#3f6b32;}
  .cform .formStatus.ng{color:#9a3b2e;}

  /* ===== Footer ===== */
  footer{border-top:1px solid var(--line);padding:48px 0;}
  footer .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;}
  footer .logo{font-size:.95rem;}
  footer .meta{font-family:var(--latin);font-style:italic;color:var(--ink-soft);font-size:.98rem;}

  /* ===== reveal ===== */
  .reveal{opacity:0;transform:translateY(28px);transition:opacity 1s ease, transform 1s cubic-bezier(.22,1,.36,1);}
  .reveal.in{opacity:1;transform:none;}

  /* ===== responsive ===== */
  @media(max-width:880px){
    header{padding:18px 22px;}
    header.scrolled{padding:12px 22px;}
    nav{position:fixed;inset:0 0 0 auto;width:74%;max-width:320px;background:var(--paper);
      flex-direction:column;justify-content:center;align-items:flex-start;gap:30px;padding:40px;
      transform:translateX(100%);transition:transform .45s cubic-bezier(.22,1,.36,1);box-shadow:-20px 0 60px rgba(47,39,37,.08);}
    nav.open{transform:none;}
    nav a{font-size:1.5rem;}
    .tag{display:none;}
    .nav-toggle{display:flex;z-index:101;}
    .nav-toggle.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
    .nav-toggle.open span:nth-child(2){opacity:0;}
    .nav-toggle.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}
    .hero::before{display:none;}
    .foundation .wrap{grid-template-columns:1fr;}
    .found-head{padding:40px 0 10px;}
    .found-item{border-left:none;border-top:1px solid var(--line);padding:30px 0;}
    .services{grid-template-columns:1fr;}
    .svc{border-left:1px solid var(--line);}
    .about .grid{grid-template-columns:1fr;gap:40px;}
    section.block{padding:90px 0;}
    .about,.contact{padding:100px 0;}
    .profile .row{grid-template-columns:1fr;gap:6px;padding:22px 0;}
  }