@import url('https://fonts.googleapis.com/css2?family=LINE+Seed+JP:wght@100;400;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');
    :root {
      --color-main: #f76760;
      --color-main-dark: #d4564f;
      --color-dark: #0F2740;
      --color-dark2: #1a3a5c;
      --color-text: #1E293B;
      --color-text-light: #64748B;
      --color-bg: #F8FAFC;
      --color-border: #E2E8F0;
      --color-white: #FFFFFF;
      --line-mid: rgba(255,255,255,.12);
      --line-faint: rgba(255,255,255,.06);
      color-scheme: light;
    }
    /* 計装システム：小さな英数字トラッキングラベルにのみJetBrains Monoを適用（大きな実績数値は本文書体のまま） */
    .section-subtitle, .problem-num, .feature-num, .plan-badge { font-family:"JetBrains Mono",monospace; }
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; overflow-x: hidden; }
    body { font-family: "LINE Seed JP", sans-serif; background: var(--color-bg); color: var(--color-text); line-height: 1.7; overflow-x: hidden; max-width: 100vw; }
    img, svg { max-width: 100%; height: auto; display: block; }
    a { text-decoration: none; color: inherit; }
    ul { list-style: none; }

    .section-subtitle { font-size: 11px; font-weight: 700; letter-spacing: .18em; color: var(--color-main); margin-bottom: 10px; }
    .section-title { font-size: clamp(22px, 3vw, 32px); font-weight: 800; color: var(--color-text); line-height: 1.4; margin-bottom: 16px; }
    .section { padding: 88px 0; }
    .container { max-width: 1240px; margin: 0 auto; padding: 0 24px; width: 100%; }
    .section-header { text-align: center; margin-bottom: 60px; }
    .section-lead { font-size: 15px; color: var(--color-text-light); line-height: 1.85; max-width: 640px; margin: 0 auto; }
    .text-center { text-align: center; }

    /* BUTTONS */
    .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 28px; border-radius: 6px; font-weight: 700; font-size: 14px; cursor: pointer; transition: all .2s; border: 2px solid transparent; text-decoration: none; font-family: inherit; }
    .btn-primary { background: var(--color-main); color: #fff; border-color: var(--color-main); }
    .btn-primary:hover { background: var(--color-main-dark); border-color: var(--color-main-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(247,103,96,.35); }
    .btn-secondary { background: transparent; color: #fff; border-color: rgba(255,255,255,.6); }
    .btn-secondary:hover { background: rgba(255,255,255,.12); border-color: #fff; }
    .btn-outline { background: transparent; color: var(--color-main); border-color: var(--color-main); }
    .btn-outline:hover { background: var(--color-main); color: #fff; transform: translateY(-1px); }
    .btn-dark { background: var(--color-dark); color: #fff; border-color: var(--color-dark); }
    .btn-dark:hover { background: #0a1d30; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,.2); }
    .btn-sm { padding: 10px 20px; font-size: 13px; }
    .btn-lg { padding: 18px 40px; font-size: 16px; }

    /* HEADER */
    #site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(255,255,255,.94); backdrop-filter: blur(12px); border-bottom: 1px solid var(--color-border); transition: box-shadow .3s; }
    #site-header.scrolled { box-shadow: 0 1px 8px rgba(0,0,0,.1); }
    .header-inner { display: flex; align-items: center; height: 68px; gap: 24px; }
    .header-logo { flex-shrink: 0; }
    .header-logo img { height: 26px; width: auto; }
    .header-nav { display: flex; align-items: center; gap: 8px; margin-left: auto; }
    .header-nav a { font-size: 13px; font-weight: 600; color: var(--color-text-light); padding: 8px 12px; border-radius: 6px; transition: all .2s; }
    .header-nav a:hover { color: var(--color-main); background: rgba(247,103,96,.06); }
    .header-cta { margin-left: 8px; }
    .header-cta .btn { padding: 10px 20px; font-size: 13px; }
    .hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; margin-left: auto; background: none; border: none; }
    .hamburger span { display: block; width: 24px; height: 2px; background: var(--color-dark); transition: all .3s; border-radius: 2px; }
    .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .hamburger.open span:nth-child(2) { opacity: 0; }
    .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .mobile-menu { display: none; position: fixed; top: 68px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--color-border); padding: 20px 24px; z-index: 999; box-shadow: 0 8px 24px rgba(0,0,0,.1); }
    .mobile-menu.open { display: block; }
    .mobile-menu a { display: block; padding: 14px 0; font-size: 15px; font-weight: 600; color: var(--color-text); border-bottom: 1px solid var(--color-border); }
    .mobile-menu a:last-child { border-bottom: none; display: flex; justify-content: center; gap: 15px;}
    .mobile-menu-btns { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }

    /* HERO */
    #section-hero { background: var(--color-dark); padding: 140px 0 100px; position: relative; overflow: hidden; }
    #section-hero::before, #section-hero::after { content:''; position:absolute; inset:0; pointer-events:none; }
    #section-hero::before { background-image:
        repeating-linear-gradient(90deg, var(--line-faint) 0 1px, transparent 1px 64px),
        repeating-linear-gradient(0deg, var(--line-faint) 0 1px, transparent 1px 64px); }
    #section-hero::after { background-image:
        repeating-linear-gradient(90deg, var(--line-mid) 0 1px, transparent 1px 320px),
        repeating-linear-gradient(0deg, var(--line-mid) 0 1px, transparent 1px 320px); }
    .hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
    .hero-content { max-width: 600px; }
    .cal-ruler { display:flex; align-items:center; margin-bottom:28px; opacity:.5; font-family:"JetBrains Mono",monospace; font-size:10px; color:rgba(255,255,255,.5); letter-spacing:.04em; user-select:none; }
    .cal-ruler .tick { position:relative; width:32px; flex-shrink:0; text-align:center; }
    .cal-ruler .tick::before { content:''; position:absolute; left:50%; top:-8px; width:1px; height:6px; background:rgba(255,255,255,.5); }
    .cal-ruler .tick.major::before { height:10px; top:-12px; background:var(--color-main); }
    .cal-ruler .tick.major { color:var(--color-main); font-weight:600; }
    .cal-ruler .rule-line { flex:1; height:1px; background:var(--line-mid); margin-left:8px; }
    .hero-badge { display: inline-flex; align-items: center; gap: 8px; font-size: 11px; font-weight: 700; letter-spacing: .1em; color: var(--color-main); margin-bottom: 20px; background: rgba(247,103,96,.1); padding: 7px 14px 7px 10px; border-radius: 3px; border: 1px solid rgba(247,103,96,.35); }
    .hero-badge .dot { width:6px; height:6px; border-radius:50%; background:var(--color-main); flex-shrink:0; box-shadow:0 0 0 3px rgba(247,103,96,.2); }
    .hero-badge .dot { width:6px; height:6px; border-radius:50%; background:var(--color-main); flex-shrink:0; box-shadow:0 0 0 3px rgba(247,103,96,.2); }
    .hero-title { font-size: clamp(22px, 3.2vw, 40px); font-weight: 900; color: #fff; line-height: 1.4; margin-bottom: 24px; word-break: break-word; overflow-wrap: anywhere; }
    .hero-title .h-sub { display: block; font-size: clamp(20px, 2.6vw, 36px); font-weight: 700; color: rgba(255,255,255,.78); line-height: 1.5; word-break: break-word; overflow-wrap: anywhere; }
    .hero-title .h-main { display: block; font-size: clamp(28px, 3.8vw, 52px); font-weight: 900; color: var(--color-main); margin-top: 12px; line-height: 1.25; letter-spacing: -.01em; word-break: break-word; overflow-wrap: anywhere; }
    .hero-lead { font-size: clamp(13px, 1.4vw, 15px); color: rgba(255,255,255,.78); line-height: 1.9; margin-bottom: 40px; word-break: break-word; overflow-wrap: anywhere; }
    .hero-btns { display: flex; flex-wrap: wrap; gap: 14px; }
    .hero-visual { position: relative; display: flex; align-items: center; justify-content: center; }

    /* HERO — RAGチャット引用デモ（実物の「根拠表示」機能を再現） */
    .hero-signal-panel { width:100%; border:1px solid var(--line-mid); border-radius:6px; background:#132E48; overflow:hidden; }
    .hero-signal-head { display:flex; align-items:center; justify-content:space-between; padding:14px 18px; border-bottom:1px solid var(--line-mid); font-family:"JetBrains Mono",monospace; font-size:10.5px; color:rgba(255,255,255,.5); letter-spacing:.04em; }
    .hero-signal-head .rec { display:inline-flex; align-items:center; gap:7px; color:var(--color-main); }
    .hero-signal-head .rec::before { content:''; width:6px; height:6px; border-radius:50%; background:var(--color-main); box-shadow:0 0 0 3px rgba(247,103,96,.2); }
    .rag-pad { padding:16px; }
    .rag-card { background:#fff; border-radius:12px; overflow:hidden; box-shadow:0 20px 50px rgba(0,0,0,.3), 0 2px 8px rgba(0,0,0,.15); }
    .rag-card-header { display:flex; align-items:center; gap:10px; padding:14px 18px; border-bottom:1px solid var(--color-border); }
    .rag-card-header i { color: var(--color-main); font-size:15px; }
    .rag-card-header span { font-size:12.5px; font-weight:700; color:var(--color-text); }
    .rag-card-body { padding:18px; }
    .rag-row { display:flex; margin-bottom:14px; }
    .rag-row.user { justify-content:flex-end; }
    .rag-bubble { max-width:88%; padding:11px 15px; border-radius:14px; font-size:13px; line-height:1.75; }
    .rag-row.user .rag-bubble { background:var(--color-dark); color:#fff; border-radius:14px 14px 3px 14px; }
    .rag-row.bot .rag-bubble { background:var(--color-bg); color:var(--color-text); border-radius:14px 14px 14px 3px; border:1px solid var(--color-border); }
    .cite { display:inline-flex; align-items:center; justify-content:center; width:15px; height:15px; border-radius:50%; background:rgba(247,103,96,.15); color:var(--color-main-dark); font-size:9px; font-weight:700; font-family:"JetBrains Mono",monospace; margin-left:2px; vertical-align:super; }
    .rag-sources { display:flex; flex-wrap:wrap; gap:8px; padding-top:12px; border-top:1px solid var(--color-border); }
    .rag-source-label { font-family:"JetBrains Mono",monospace; font-size:9.5px; letter-spacing:.06em; color:var(--color-text-light); text-transform:uppercase; align-self:center; margin-right:2px; }
    .rag-source-chip { display:inline-flex; align-items:center; gap:5px; font-size:11px; font-weight:600; color:var(--color-text); background:var(--color-bg); border:1px solid var(--color-border); border-radius:100px; padding:4px 10px 4px 6px; }
    .rag-source-chip b { display:inline-flex; align-items:center; justify-content:center; width:14px; height:14px; border-radius:50%; background:rgba(247,103,96,.15); color:var(--color-main-dark); font-size:8.5px; font-family:"JetBrains Mono",monospace; }

    /* PROBLEM */
    #section-problem { background: #fff; }
    .problem-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-bottom: 48px; }
    .problem-card { background: var(--color-bg); border: 1.5px solid var(--color-border); border-radius: 14px; padding: 32px 24px; transition: all .25s; position: relative; overflow: hidden; }
    .problem-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--color-main); transform: scaleX(0); transform-origin: left; transition: transform .3s; }
    .problem-card:hover { border-color: var(--color-main); box-shadow: 0 8px 28px rgba(247,103,96,.12); transform: translateY(-4px); }
    .problem-card:hover::before { transform: scaleX(1); }
    .problem-icon { width: 48px; height: 48px; border-radius: 10px; background: var(--color-dark); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
    .problem-icon i { color: var(--color-main); font-size: 20px; }
    .problem-num { font-size: 10px; font-weight: 700; letter-spacing: .1em; color: var(--color-main); margin-bottom: 8px; text-transform: uppercase; }
    .problem-title { font-size: 15px; font-weight: 800; color: var(--color-text); margin-bottom: 10px; line-height: 1.5; }
    .problem-desc { font-size: 13px; color: var(--color-text-light); line-height: 1.75; }
    .problem-urgency { background: linear-gradient(135deg, var(--color-dark) 0%, #1a3a5c 100%); border-radius: 16px; padding: 36px 40px; display: flex; align-items: flex-start; gap: 24px; color: rgba(255,255,255,.9); }
    .urgency-icon { width: 48px; height: 48px; border-radius: 12px; background: rgba(247,103,96,.25); border: 1px solid rgba(247,103,96,.5); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
    .urgency-icon i { font-size: 22px; color: var(--color-main); }
    .urgency-label { font-size: 11px; font-weight: 700; letter-spacing: .14em; color: var(--color-main); text-transform: uppercase; margin-bottom: 8px; }
    .urgency-text { font-size: 15px; line-height: 1.85; color: rgba(255,255,255,.88); }

    /* COMPARISON */
    #section-comparison { background: var(--color-bg); }
    .comparison-wrap { overflow-x: auto; border-radius: 16px; box-shadow: 0 4px 24px rgba(0,0,0,.08); }
    .comparison-table { width: 100%; border-collapse: collapse; min-width: 700px; background: #fff; }
    .comparison-table thead th { padding: 20px 24px; font-size: 13px; font-weight: 800; text-align: center; border-bottom: 2px solid var(--color-border); }
    .comparison-table thead th:first-child { text-align: left; background: var(--color-bg); color: var(--color-text-light); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
    .th-keyword { background: var(--color-bg); color: var(--color-text-light); }
    .th-chatgpt { background: var(--color-bg); color: var(--color-text-light); }
    .th-iknow { background: linear-gradient(135deg, var(--color-main), #ff9a95); color: #fff; border-radius: 10px 10px 0 0; }
    .th-iknow small { display: block; font-size: 10px; font-weight: 600; opacity: .85; margin-top: 2px; }
    .comparison-table tbody tr { border-bottom: 1px solid var(--color-border); transition: background .15s; }
    .comparison-table tbody tr:last-child { border-bottom: none; }
    .comparison-table tbody tr:hover { background: #fffbfb; }
    .comparison-table tbody td { padding: 18px 24px; font-size: 13px; color: var(--color-text); vertical-align: top; line-height: 1.65; }
    .comparison-table tbody td:first-child { font-weight: 700; color: var(--color-text); background: var(--color-bg); font-size: 13px; white-space: nowrap; }
    .comparison-table tbody td.col-iknow { background: rgba(247,103,96,.04); border-left: 2px solid rgba(247,103,96,.2); font-weight: 600; color: var(--color-text); }
    .col-iknow-check { display: flex; align-items: flex-start; gap: 8px; }
    .col-iknow-check i { color: var(--color-main); font-size: 14px; flex-shrink: 0; margin-top: 2px; }

    /* FEATURES */
    #section-features { background: #fff; }
    .features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-bottom: 56px; }
    .feature-card { background: var(--color-bg); border: 1.5px solid var(--color-border); border-radius: 16px; padding: 32px 28px; transition: all .25s; }
    .feature-card:hover { border-color: var(--color-main); box-shadow: 0 8px 28px rgba(247,103,96,.1); transform: translateY(-4px); }
    .feature-num { font-size: 10px; font-weight: 700; letter-spacing: .12em; color: var(--color-main); margin-bottom: 12px; text-transform: uppercase; }
    .feature-icon { width: 52px; height: 52px; border-radius: 10px; background: var(--color-dark); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
    .feature-icon i { color: var(--color-main); font-size: 22px; }
    .feature-title { font-size: 16px; font-weight: 800; color: var(--color-text); margin-bottom: 12px; line-height: 1.45; }
    .feature-list { display: flex; flex-direction: column; gap: 8px; }
    .feature-item { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; color: var(--color-text-light); line-height: 1.6; }
    .feature-item i { color: var(--color-main); font-size: 11px; flex-shrink: 0; margin-top: 4px; }
    .feature-demo-box { background: linear-gradient(140deg, var(--color-dark) 0%, #1a3a5c 100%); border-radius: 16px; padding: 48px 40px; text-align: center; }
    .feature-demo-box h3 { font-size: 20px; font-weight: 800; color: #fff; margin-bottom: 12px; line-height: 1.5; }
    .feature-demo-box p { font-size: 14px; color: rgba(255,255,255,.72); margin-bottom: 28px; line-height: 1.8; }

    /* PLAN */
    #section-plan { background: var(--color-bg); }
    .plan-note { font-size: 13px; color: var(--color-text-light); text-align: center; margin-bottom: 40px; }
    .plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .plan-card { background: #fff; border: 2px solid var(--color-border); border-radius: 20px; padding: 40px 32px; display: flex; flex-direction: column; transition: all .25s; }
    .plan-card:hover { border-color: var(--color-main); box-shadow: 0 12px 36px rgba(247,103,96,.12); transform: translateY(-4px); }
    .plan-card.featured { border-color: var(--color-main); position: relative; }
    .plan-badge { align-self: flex-start; font-size: 10px; font-weight: 700; letter-spacing: .1em; color: var(--color-main); background: rgba(247,103,96,.1); border: 1px solid rgba(247,103,96,.3); padding: 4px 12px; border-radius: 100px; margin-bottom: 16px; text-transform: uppercase; }
    .plan-title { font-size: 20px; font-weight: 900; color: var(--color-text); margin-bottom: 6px; }
    .plan-subtitle { font-size: 12px; color: var(--color-main); font-weight: 700; margin-bottom: 16px; }
    .plan-desc { font-size: 14px; color: var(--color-text-light); line-height: 1.75; margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--color-border); }
    .plan-features { display: flex; flex-direction: column; gap: 10px; margin-bottom: 32px; flex: 1; }
    .plan-feature-item { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; color: var(--color-text); line-height: 1.6; }
    .plan-feature-item i { color: var(--color-main); font-size: 13px; flex-shrink: 0; margin-top: 3px; }

    /* ROI / REASON */
    #section-reason { background: #fff; }
    .roi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-bottom: 16px; }
    .roi-card { background: linear-gradient(140deg, var(--color-dark) 0%, #1a3a5c 100%); border-radius: 16px; padding: 36px 28px; text-align: center; }
    .roi-num { font-size: clamp(40px, 5vw, 56px); font-weight: 900; color: var(--color-main); line-height: 1; letter-spacing: -.02em; }
    .roi-unit { font-size: clamp(16px, 2vw, 22px); font-weight: 700; color: rgba(255,255,255,.55); vertical-align: super; }
    .roi-label { font-size: 13px; color: rgba(255,255,255,.7); margin-top: 12px; line-height: 1.6; }
    .reason-title { font-size: clamp(18px, 2.5vw, 24px); font-weight: 800; color: var(--color-text); text-align: center; margin-bottom: 40px; }
    .reason-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .reason-card { background: var(--color-bg); border: 1.5px solid var(--color-border); border-radius: 14px; padding: 32px 28px; }
    .reason-num { font-size: 32px; font-weight: 900; color: rgba(247,103,96,.18); line-height: 1; margin-bottom: 12px; }
    .reason-head { font-size: 15px; font-weight: 800; color: var(--color-text); margin-bottom: 10px; line-height: 1.5; }
    .reason-desc { font-size: 13px; color: var(--color-text-light); line-height: 1.75; }

    /* FAQ */
    #section-faq { background: var(--color-bg); }
    .faq-list { display: flex; flex-direction: column; gap: 12px; max-width: 800px; margin: 0 auto; }
    .faq-item { background: #fff; border: 1.5px solid var(--color-border); border-radius: 12px; overflow: hidden; transition: border-color .2s; }
    .faq-item.open { border-color: var(--color-main); }
    .faq-q { display: flex; align-items: flex-start; gap: 16px; padding: 22px 24px; cursor: pointer; user-select: none; }
    .faq-q-icon { width: 28px; height: 28px; border-radius: 50%; background: rgba(247,103,96,.1); border: 1.5px solid rgba(247,103,96,.3); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
    .faq-q-icon i { font-size: 11px; color: var(--color-main); font-weight: 900; }
    .faq-q-text { font-size: 14px; font-weight: 700; color: var(--color-text); line-height: 1.6; flex: 1; }
    .faq-toggle { width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
    .faq-toggle i { font-size: 13px; color: var(--color-text-light); transition: transform .3s; }
    .faq-item.open .faq-toggle i { transform: rotate(180deg); color: var(--color-main); }
    .faq-a { display: none; padding: 0 24px 22px 68px; font-size: 14px; color: var(--color-text-light); line-height: 1.85; }
    .faq-item.open .faq-a { display: block; }

    /* CONTACT */
    #section-contact { background: linear-gradient(140deg, var(--color-dark) 0%, #1a3a5c 100%); text-align: center; }
    #section-contact .section-subtitle { color: var(--color-main); }
    #section-contact .section-title { color: #fff; max-width: 640px; margin: 0 auto 16px; }
    .contact-lead { font-size: 15px; color: rgba(255,255,255,.72); margin-bottom: 40px; line-height: 1.85;}
    .contact-btns { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }

    /* FOOTER */
    #site-footer { background: var(--color-dark); color: rgba(255,255,255,.75); padding: 60px 0 30px; }
    .footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.1); }
    .footer-logo { margin-bottom: 14px; }
    .footer-logo img { height: 18px; width: auto; filter: brightness(0) invert(1); }
    .footer-tagline { font-size: 13px; color: rgba(255,255,255,.6); line-height: 1.7; margin-top: 8px; }
    .footer-col-title { font-size: 12px; font-weight: 700; color: #fff; margin-bottom: 16px; letter-spacing: .08em; text-transform: uppercase; }
    .footer-col ul li { margin-bottom: 10px; }
    .footer-col ul li a { font-size: 13px; color: rgba(255,255,255,.6); transition: color .2s; display: flex; align-items: center; gap: 6px; }
    .footer-col ul li a:hover { color: var(--color-main); }
    .footer-col ul li a i { font-size: 10px; color: rgba(255,255,255,.3); }
    .footer-current { color: rgba(247,103,96,.9) !important; font-weight: 700; }
    .footer-bottom { display: flex; justify-content: center; align-items: center; font-size: 12px; color: rgba(255,255,255,.3); }

    .attention-lead { padding: 16px 14px; transition: all .25s; position: relative; overflow: hidden; margin-bottom:64px;}
    .attention-desc { font-size: 11px; color: var(--color-text-light); line-height: 1.75; }
    /* =====================
       RESPONSIVE
    ===================== */
    @media (max-width: 1100px) {
      .hero-inner { gap: 40px; }
      .features-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 960px) {
      .hero-inner { grid-template-columns: 1fr; }
      .hero-content { max-width: 100%; }
      .problem-grid { grid-template-columns: repeat(2, 1fr); }
      .plan-grid { grid-template-columns: 1fr; }
      .roi-grid { grid-template-columns: repeat(3, 1fr); }
      .reason-grid { grid-template-columns: repeat(3, 1fr); }
      .footer-top { grid-template-columns: 1fr 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .section { padding: 64px 0; }
      .section-header { margin-bottom: 40px; }
      .container { padding: 0 18px; }
      /* header */
      .header-nav, .header-cta { display: none; }
      .hamburger { display: flex; }
      /* hero */
      #section-hero { padding: 96px 0 64px; }
      .hero-title { font-size: clamp(20px, 5.5vw, 28px); word-break: break-word; overflow-wrap: anywhere; }
      .hero-lead { font-size: 14px; word-break: break-word; overflow-wrap: anywhere; }
      .hero-btns { flex-direction: column; gap: 12px; }
      .hero-btns .btn { width: 100%; justify-content: center; }
      /* problem */
      .problem-grid { grid-template-columns: 1fr; gap: 14px; }
      .problem-urgency { flex-direction: column; padding: 24px 20px; gap: 16px; }
      .problem-title, .problem-desc, .urgency-text { word-break: break-word; overflow-wrap: anywhere; }
      /* comparison */
      .comparison-table thead th, .comparison-table tbody td { padding: 14px 14px; font-size: 12px; }
      .comparison-table tbody td:first-child { white-space: normal; }
      /* features */
      .features-grid { grid-template-columns: 1fr; }
      .feature-card { padding: 24px 20px; }
      .feature-demo-box { padding: 32px 24px; }
      /* plan */
      .plan-grid { grid-template-columns: 1fr; }
      .plan-card { padding: 32px 24px; }
      /* roi / reason */
      .roi-grid { grid-template-columns: 1fr; gap: 14px; }
      .reason-grid { grid-template-columns: 1fr; }
      /* contact */
      .contact-btns { flex-direction: column; align-items: center; }
      .contact-btns .btn { width: 100%; max-width: 360px; }
      /* footer */
      .footer-top { grid-template-columns: 1fr 1fr; gap: 24px; }
      /* faq */
      .faq-a { padding-left: 24px; }
      /* text */
      .section-title, .plan-title, .feature-title, .reason-head, .plan-desc, .plan-subtitle, .contact-lead, .roi-label, .feature-demo-box h3, .feature-demo-box p { word-break: break-word; overflow-wrap: anywhere; }
      .section-title br, .hero-title br { display: none; }
    }
    @media (max-width: 480px) {
      .container { padding: 0 16px; }
      .problem-grid { grid-template-columns: 1fr; }
      .plan-grid { grid-template-columns: 1fr; }
      .roi-grid { grid-template-columns: 1fr; }
      .footer-top { grid-template-columns: 1fr; }
      .section-title { font-size: clamp(20px, 5.5vw, 26px); }
    }