:root{--bg:#f6f6f3;--ink:#111;--ink-2:#2b2b2b;--mute:#6b6b6b;--line:#d8d8d2;--accent:#00d977;--accent-2:#00b6ff;--paper:#fff;--warn:#ff5b3a;--dark2:#1a1a2e;}
  *{box-sizing:border-box;margin:0;padding:0;}
  html,body{background:var(--bg);color:var(--ink);font-family:"Zen Kaku Gothic New",sans-serif;-webkit-font-smoothing:antialiased;}
  body{overflow-x:hidden;}
  a{color:inherit;text-decoration:none;}
  .mono{font-family:"JetBrains Mono",monospace;letter-spacing:.02em;}
  .min{font-family:"Shippori Mincho",serif;}
  .grid-bg{position:fixed;inset:0;pointer-events:none;z-index:0;background-image:linear-gradient(to right,rgba(0,0,0,.04) 1px,transparent 1px),linear-gradient(to bottom,rgba(0,0,0,.04) 1px,transparent 1px);background-size:80px 80px;}
  .noise{position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.035;mix-blend-mode:multiply;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");}
  header{position:fixed;top:0;left:0;right:0;z-index:50;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:22px 36px;backdrop-filter:saturate(1.2) blur(10px);background:rgba(246,246,243,.7);border-bottom:1px solid var(--line);}
  .logo{display:flex;align-items:center;color:var(--ink);}
  .logo svg{height:32px;width:auto;display:block;}
  nav{display:flex;gap:28px;justify-content:center;}
  nav a{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-2);position:relative;padding:6px 0;}
  nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--ink);transition:right .3s;}
  nav a:hover::after,nav a.current::after{right:0;}
  nav a.current::after{background:var(--accent);}
  .meta-right{justify-self:end;display:flex;align-items:center;gap:14px;font-size:11px;color:var(--mute);}
  .meta-right .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);animation:pulse 2s infinite;}
  @keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
  .hero{position:relative;z-index:2;padding:140px 36px 80px;border-bottom:1px solid var(--line);}
  .breadcrumb{display:flex;align-items:center;gap:12px;font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--mute);margin-bottom:40px;letter-spacing:.15em;}
  .breadcrumb a:hover{color:var(--accent);}
  .breadcrumb .sep{color:var(--line);}
  .breadcrumb .current{color:var(--ink);}
  .hero-grid{display:grid;grid-template-columns:80px 1fr 280px;gap:36px;align-items:end;}
  .hero-vlabel{writing-mode:vertical-rl;font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.3em;color:var(--mute);height:280px;}
  .hero-main h1{font-family:"Shippori Mincho",serif;font-weight:800;font-size:clamp(48px,7vw,104px);line-height:.95;letter-spacing:-.02em;}
  .hero-main .kicker{display:inline-flex;align-items:center;gap:10px;font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.3em;color:var(--ink-2);border:1px solid var(--ink);padding:6px 14px;border-radius:100px;margin-bottom:30px;}
  .hero-main .kicker .blink{width:8px;height:8px;border-radius:50%;background:var(--accent);}
  .hero-main .lead{font-family:"Shippori Mincho",serif;font-size:22px;line-height:1.8;margin-top:32px;color:var(--ink-2);max-width:680px;}
  .hero-side{padding-left:30px;border-left:1px solid var(--line);}
  .hero-side .label{font-family:"JetBrains Mono",monospace;font-size:10px;color:var(--accent);letter-spacing:.25em;margin-bottom:14px;}
  .hero-side .item{font-family:"Shippori Mincho",serif;font-size:14px;color:var(--ink);margin-bottom:8px;line-height:1.6;}
  .hero-side .meta{font-family:"JetBrains Mono",monospace;font-size:10px;color:var(--mute);letter-spacing:.1em;}
  section{position:relative;z-index:2;padding:100px 36px;}
  section + section{border-top:1px solid var(--line);}
  .sec-head{display:grid;grid-template-columns:80px 1fr auto;gap:36px;align-items:end;margin-bottom:60px;}
  .sec-num{writing-mode:vertical-rl;font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--mute);height:160px;letter-spacing:.2em;}
  .sec-title{font-family:"Shippori Mincho",serif;font-weight:800;font-size:clamp(36px,5vw,68px);line-height:1;letter-spacing:-.02em;}
  .sec-title .en{display:block;font-family:"JetBrains Mono",monospace;font-size:11px;font-weight:400;letter-spacing:.3em;color:var(--mute);margin-bottom:16px;}
  .sec-meta{font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--mute);letter-spacing:.2em;text-align:right;}
  .intro-wrap{display:grid;grid-template-columns:1fr 320px;gap:80px;}
  .intro-body{font-family:"Shippori Mincho",serif;font-size:20px;line-height:2;color:var(--ink);}
  .intro-body strong{color:var(--accent);font-weight:700;}
  .intro-side{background:var(--paper);border:1px solid var(--line);padding:30px;height:fit-content;}
  .intro-side .label{font-family:"JetBrains Mono",monospace;font-size:10px;color:var(--accent);letter-spacing:.25em;margin-bottom:18px;}
  .intro-side .tag{display:inline-block;font-family:"JetBrains Mono",monospace;font-size:11px;padding:6px 12px;border:1px solid var(--line);border-radius:100px;margin:0 4px 8px 0;background:var(--bg);}
  .pains-section{background:linear-gradient(180deg,var(--bg),#eeeee8);}
  .pains{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .pain{background:var(--paper);border:1px solid var(--line);padding:30px;position:relative;}
  .pain .num{font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--accent);letter-spacing:.2em;margin-bottom:14px;}
  .pain h3{font-family:"Shippori Mincho",serif;font-size:22px;line-height:1.4;margin-bottom:14px;}
  .pain p{font-size:13px;line-height:1.8;color:var(--ink-2);}
  .pain::before{content:"";position:absolute;top:0;left:0;width:40px;height:4px;background:var(--accent);}
  .delivers{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border:1px solid var(--line);background:var(--paper);}
  .deliver{padding:36px 32px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:background .3s;}
  .deliver:nth-child(2n){border-right:none;}
  .deliver:nth-last-child(-n+2){border-bottom:none;}
  .deliver:hover{background:var(--ink);color:#fff;}
  .deliver:hover p{color:rgba(255,255,255,.7);}
  .deliver .lbl{font-family:"JetBrains Mono",monospace;font-size:10px;color:var(--accent);letter-spacing:.25em;margin-bottom:10px;}
  .deliver h3{font-family:"Shippori Mincho",serif;font-size:24px;line-height:1.3;margin-bottom:14px;}
  .deliver p{font-size:13px;line-height:1.8;color:var(--ink-2);}
  .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
  .step{background:var(--ink);color:#fff;padding:32px 24px;position:relative;display:flex;flex-direction:column;gap:14px;min-height:280px;}
  .step::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--accent);}
  .step .num{font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--accent);letter-spacing:.25em;}
  .step h3{font-family:"Shippori Mincho",serif;font-size:20px;line-height:1.3;}
  .step p{font-size:12px;line-height:1.8;color:rgba(255,255,255,.75);margin-top:auto;}
  .tech-section{background:var(--ink);color:#fff;}
  .tech-section .sec-title{color:#fff;}
  .tech-section .sec-num,.tech-section .sec-meta{color:rgba(255,255,255,.5);}
  .tech{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;}
  .tech-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);padding:36px 30px;transition:transform .3s,border-color .3s;}
  .tech-card:hover{transform:translateY(-4px);border-color:var(--accent);}
  .tech-card .icon{font-family:"JetBrains Mono",monospace;font-size:24px;color:var(--accent);margin-bottom:18px;}
  .tech-card h3{font-family:"Shippori Mincho",serif;font-size:24px;margin-bottom:6px;color:#fff;}
  .tech-card .sub{font-family:"JetBrains Mono",monospace;font-size:10px;color:var(--accent);letter-spacing:.2em;margin-bottom:16px;}
  .tech-card p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.7);}
  .cases{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);}
  .case{padding:36px;background:var(--paper);border-right:1px solid var(--line);border-bottom:1px solid var(--line);}
  .case:nth-child(2n){border-right:none;}
  .case:nth-last-child(-n+2){border-bottom:none;}
  .case .industry{font-family:"JetBrains Mono",monospace;font-size:10px;color:var(--accent);letter-spacing:.25em;margin-bottom:10px;}
  .case h3{font-family:"Shippori Mincho",serif;font-size:22px;line-height:1.4;margin-bottom:18px;}
  .case .case-body{font-size:13px;line-height:1.9;color:var(--ink-2);}
  .case .case-body strong{color:var(--ink);font-weight:700;}
  .case .case-stack{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);}
  .case .case-stack span{font-family:"JetBrains Mono",monospace;font-size:10px;padding:3px 8px;background:var(--bg);color:var(--mute);letter-spacing:.05em;}
  .pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .price-card{background:var(--paper);border:1px solid var(--line);padding:36px 30px;position:relative;}
  .price-card.featured{background:var(--ink);color:#fff;border-color:var(--ink);}
  .price-card .tier{font-family:"JetBrains Mono",monospace;font-size:10px;color:var(--accent);letter-spacing:.25em;margin-bottom:12px;}
  .price-card h3{font-family:"Shippori Mincho",serif;font-size:24px;line-height:1.3;margin-bottom:14px;}
  .price-card .price{font-family:"Shippori Mincho",serif;font-size:36px;font-weight:800;letter-spacing:-.02em;margin-bottom:20px;}
  .price-card .price small{font-family:"Zen Kaku Gothic New",sans-serif;font-size:13px;font-weight:400;color:var(--mute);margin-left:6px;}
  .price-card.featured .price small{color:rgba(255,255,255,.6);}
  .price-card ul{list-style:none;}
  .price-card li{font-size:13px;line-height:2;padding-left:20px;position:relative;color:var(--ink-2);}
  .price-card.featured li{color:rgba(255,255,255,.85);}
  .price-card li::before{content:"+";position:absolute;left:0;color:var(--accent);font-weight:600;}
  .price-card .note{font-family:"JetBrains Mono",monospace;font-size:10px;color:var(--mute);letter-spacing:.1em;margin-top:18px;padding-top:18px;border-top:1px solid var(--line);}
  .price-card.featured .note{border-top-color:rgba(255,255,255,.15);color:rgba(255,255,255,.5);}
  .faq{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);padding:24px 0;}
  .faq-item summary{font-family:"Shippori Mincho",serif;font-size:18px;font-weight:700;cursor:pointer;list-style:none;display:flex;align-items:flex-start;gap:20px;color:var(--ink);}
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::before{content:"Q.";font-family:"JetBrains Mono",monospace;font-size:13px;color:var(--accent);flex-shrink:0;letter-spacing:.1em;padding-top:3px;}
  .faq-item summary::after{content:"+";margin-left:auto;color:var(--mute);font-size:24px;font-weight:300;transition:transform .3s;}
  .faq-item[open] summary::after{transform:rotate(45deg);}
  .faq-item .body{padding:16px 0 8px 38px;font-size:14px;line-height:1.9;color:var(--ink-2);}
  .cta-section{background:var(--ink);color:#fff;border-top:none;}
  .cta-wrap{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:end;}
  .cta-section .sec-head{margin-bottom:60px;}
  .cta-section .sec-title{color:#fff;}
  .cta-section .sec-num,.cta-section .sec-meta{color:rgba(255,255,255,.4);}
  .cta-headline{font-family:"Shippori Mincho",serif;font-size:clamp(40px,6vw,80px);line-height:.95;letter-spacing:-.02em;}
  .cta-headline .acc{color:var(--accent);}
  .cta-right .label{font-family:"JetBrains Mono",monospace;font-size:10px;color:var(--accent);letter-spacing:.25em;margin-bottom:14px;display:block;}
  .cta-right p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.8);margin-bottom:30px;}
  .cta-btn{display:inline-flex;align-items:center;gap:14px;padding:18px 28px;background:var(--accent);color:var(--ink);font-family:"JetBrains Mono",monospace;font-size:13px;letter-spacing:.2em;font-weight:600;transition:transform .3s;}
  .cta-btn:hover{transform:translateX(6px);}
  .cta-btn::after{content:"→";}
  .back-link{margin-top:30px;display:inline-flex;align-items:center;gap:10px;font-family:"JetBrains Mono",monospace;font-size:11px;color:rgba(255,255,255,.5);letter-spacing:.2em;transition:color .3s;}
  .back-link:hover{color:var(--accent);}
  footer{background:var(--ink);color:rgba(255,255,255,.85);padding:80px 36px 30px;border-top:1px solid rgba(255,255,255,.1);position:relative;z-index:2;}
  .foot-top{display:grid;grid-template-columns:auto 1fr;gap:80px;align-items:start;padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,.12);}
  .foot-voxel{display:flex;align-items:center;justify-content:center;padding:10px;}
  .foot-voxel svg{width:130px;height:auto;display:block;}
  .foot-info{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;}
  .foot-info .col h5{font-family:"JetBrains Mono",monospace;font-size:10px;color:var(--accent);letter-spacing:.25em;margin-bottom:18px;}
  .foot-info .col .item{font-family:"Shippori Mincho",serif;font-size:16px;color:#fff;margin-bottom:8px;line-height:1.4;}
  .foot-info .col .sub{font-family:"JetBrains Mono",monospace;font-size:10px;color:rgba(255,255,255,.45);letter-spacing:.1em;}
  .foot-info .nav-links a{display:block;font-family:"Zen Kaku Gothic New",sans-serif;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:10px;transition:color .2s;}
  .foot-info .nav-links a:hover{color:var(--accent);}
  .foot-bottom{padding-top:24px;display:flex;justify-content:space-between;align-items:center;font-family:"JetBrains Mono",monospace;font-size:10px;color:rgba(255,255,255,.4);letter-spacing:.2em;}
  .foot-bottom .tagline{color:var(--accent);}
  /* WEB専用: フレームワーク図解 */
  .frame{background:var(--paper);border:1px solid var(--line);padding:50px;}
  .frame-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0;text-align:center;}
  .frame-layer{padding:30px 16px;border-right:1px solid var(--line);position:relative;}
  .frame-layer:last-child{border-right:none;}
  .frame-layer .num{font-family:"JetBrains Mono",monospace;font-size:10px;color:var(--accent);letter-spacing:.25em;margin-bottom:14px;}
  .frame-layer h4{font-family:"Shippori Mincho",serif;font-size:20px;margin-bottom:14px;}
  .frame-layer .stack-list{display:flex;flex-direction:column;gap:6px;font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--ink-2);}
  .frame-arrows{display:flex;justify-content:space-around;padding:18px 0 0;font-family:"JetBrains Mono",monospace;font-size:14px;color:var(--accent);}
  @media (max-width:900px){
    header{padding:16px 20px;grid-template-columns:1fr auto;}
    nav,.meta-right{display:none;}
    .hero{padding:90px 20px 50px;}
    .hero-grid{grid-template-columns:1fr;gap:30px;}
    .hero-vlabel{display:none;}
    .hero-side{padding-left:0;border-left:none;border-top:1px solid var(--line);padding-top:30px;}
    section{padding:60px 20px;}
    .sec-head{grid-template-columns:1fr;gap:14px;margin-bottom:40px;}
    .sec-num{writing-mode:horizontal-tb;height:auto;}
    .sec-meta{text-align:left;}
    .intro-wrap{grid-template-columns:1fr;gap:30px;}
    .intro-body{font-size:16px;}
    .pains,.delivers,.flow,.tech,.cases,.pricing,.frame-grid{grid-template-columns:1fr;}
    .frame{padding:30px 20px;}
    .frame-layer{border-right:none;border-bottom:1px solid var(--line);}
    .frame-layer:last-child{border-bottom:none;}
    .frame-arrows{display:none;}
    .delivers .deliver{border-right:none;}
    .cases .case{border-right:none;}
    .cta-wrap{grid-template-columns:1fr;gap:40px;}
    .foot-top{grid-template-columns:1fr;gap:40px;}
    .foot-info{grid-template-columns:1fr;gap:30px;}
    .foot-voxel svg{width:100px;}
    .foot-bottom{flex-direction:column;gap:10px;text-align:center;}
  }