/* ══ PAGE HERO ══ */
    .ph{min-height:60svh;display:flex;align-items:center;background:#1e2e40;position:relative;overflow:hidden;padding:110px 0 72px;}
    .ph::before{content:'';position:absolute;inset:0;background:
      radial-gradient(ellipse at 75% 25%,rgba(47,111,165,.22) 0%,transparent 55%),
      radial-gradient(ellipse at 15% 75%,rgba(142,197,234,.1) 0%,transparent 45%);
      pointer-events:none;}
    .ph::after{content:'';position:absolute;inset:0;
      background-image:linear-gradient(rgba(142,197,234,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(142,197,234,.05) 1px,transparent 1px);
      background-size:60px 60px;
      mask-image:radial-gradient(ellipse at 70% 50%,black 10%,transparent 60%);
      pointer-events:none;}
    .ph-wave{position:absolute;inset:0;width:200%;height:100%;
      background:
        repeating-linear-gradient(-12deg,transparent 0,transparent 60px,rgba(142,197,234,.05) 72px,rgba(47,111,165,.09) 86px,rgba(142,197,234,.05) 100px,transparent 112px,transparent 190px),
        repeating-linear-gradient(12deg,transparent 0,transparent 90px,rgba(47,111,165,.04) 102px,rgba(142,197,234,.08) 116px,rgba(47,111,165,.04) 130px,transparent 142px,transparent 230px);
      animation:waveRTL 14s linear infinite;pointer-events:none;z-index:0;}
    @keyframes waveRTL{to{transform:translateX(-50%);}}
    .ph-ui{position:absolute;right:0;top:50%;transform:translateY(-50%);width:46%;height:80%;pointer-events:none;z-index:1;opacity:.16;}
    .ph-ui svg{width:100%;height:100%;}
    .ph-in{position:relative;z-index:2;max-width:720px;}
    .ph-lbl{font-family:'Noto Sans JP',sans-serif;font-size:.68rem;font-weight:600;letter-spacing:.28em;text-transform:uppercase;color:rgba(142,197,234,.7);display:flex;align-items:center;gap:14px;margin-bottom:26px;opacity:0;transform:translateX(-16px);transition:opacity .6s ease,transform .6s ease;}
    .ph-lbl.in{opacity:1;transform:none;}
    .ph-lbl::before{content:'';display:block;width:24px;height:1px;background:rgba(142,197,234,.5);}
    .ph-h1{font-family:'Shippori Mincho',serif;font-size:clamp(1.4rem,2.8vw,2.2rem);font-weight:400;line-height:1.45;letter-spacing:.05em;color:#fff;margin-bottom:28px;}
    .ph-h1 em{font-style:normal;color:rgba(142,197,234,.9);}
    .ph-body{font-size:.9rem;color:rgba(255,255,255,.58);line-height:2.1;margin-bottom:42px;max-width:560px;}
    .ph-btns{display:flex;gap:12px;flex-wrap:wrap;}
    .bt-w{background:#8ec5ea;color:#1a3250;}
    .bt-w:hover{background:#a8d4f0;box-shadow:0 6px 22px rgba(142,197,234,.35);transform:translateY(-2px);}
    .bt-o{background:transparent;border:1px solid rgba(255,255,255,.34);color:rgba(255,255,255,.82);}
    .bt-o:hover{border-color:rgba(255,255,255,.7);color:#fff;transform:translateY(-2px);}

    /* ══ BREADCRUMB ══ */
    .bc{background:var(--bg1);border-bottom:1px solid var(--br);padding:12px 0;}
    .bc-in{display:flex;align-items:center;gap:8px;font-size:.72rem;color:var(--tx3);}
    .bc-in a{color:var(--tx3);transition:color var(--t);}
    .bc-in a:hover{color:var(--acc);}
    .bc-sep{opacity:.5;}

    /* ══ SHARED ══ */
    .what-lead{text-align:center;font-family:'Shippori Mincho',serif;font-size:clamp(1rem,2vw,1.32rem);font-weight:400;color:var(--tx1);line-height:2.3;letter-spacing:.06em;margin-bottom:52px;}
    .what-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-bottom:48px;}
    .what-chip{padding:8px 22px;border-radius:100px;border:1px solid var(--br2);font-size:.82rem;color:var(--acc);background:var(--card);letter-spacing:.04em;font-weight:500;}
    .what-tail{text-align:center;font-family:'Shippori Mincho',serif;font-size:clamp(.94rem,1.8vw,1.15rem);color:var(--tx1);line-height:2.3;letter-spacing:.06em;border-top:1px solid var(--br);padding-top:48px;}
    .what-tail strong{color:var(--acc);}

    /* ══ CHANGE SECTION ══ */
    .change-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:860px;margin:0 auto 48px;}
    .change-card{border-radius:var(--r);padding:36px 32px;text-align:center;}
    .change-card.before{background:var(--bg2);border:1px solid var(--br);}
    .change-card.after{background:var(--acc-dim);border:1px solid rgba(47,111,165,.25);}
    .change-era{font-size:.62rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;margin-bottom:16px;}
    .change-era.b{color:var(--tx3);}
    .change-era.a{color:var(--acc);}
    .change-main{font-family:'Shippori Mincho',serif;font-size:1.1rem;color:var(--acc-dk);margin-bottom:16px;letter-spacing:.05em;}
    .change-list{list-style:none;display:flex;flex-direction:column;gap:8px;}
    .change-list li{font-size:.82rem;color:var(--tx2);display:flex;align-items:center;justify-content:center;gap:7px;}
    .change-list li::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--acc);flex-shrink:0;}
    .change-arr{text-align:center;font-size:1.8rem;color:var(--acc);margin:0 0 28px;}

    /* ══ WHAT IS ══ */
    .what-dk{background:#1e2e40;position:relative;overflow:hidden;}
    .what-dk::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 80% 30%,rgba(142,197,234,.08) 0%,transparent 55%),radial-gradient(ellipse at 20% 70%,rgba(47,111,165,.07) 0%,transparent 50%);pointer-events:none;}
    .what-dk-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;position:relative;z-index:1;}
    .what-dk-body{font-size:.9rem;color:rgba(255,255,255,.6);line-height:2.1;}
    .what-dk-kws{display:flex;flex-direction:column;gap:10px;margin:24px 0;}
    .what-dk-kw{display:flex;align-items:center;gap:12px;font-size:.9rem;color:rgba(255,255,255,.8);}
    .what-dk-kw::before{content:'';width:6px;height:6px;border-radius:50%;background:rgba(142,197,234,.8);flex-shrink:0;}
    .what-dk-end{font-family:'Shippori Mincho',serif;font-size:1rem;color:rgba(142,197,234,.8);letter-spacing:.06em;border-top:1px solid rgba(255,255,255,.08);padding-top:20px;margin-top:8px;}
    /* AI network visual */
    .ai-net{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);border-radius:var(--r);padding:32px;text-align:center;}
    .ai-net svg{width:100%;max-width:320px;height:auto;}

    /* ══ CONTENT LIST ══ */
    .clist-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:960px;margin:0 auto;}
    .clist-card{background:var(--card);border:1px solid var(--br);border-radius:var(--r);padding:28px 24px;transition:all var(--t);position:relative;overflow:hidden;}
    .clist-card:hover{box-shadow:0 6px 24px rgba(47,111,165,.1);border-color:var(--br2);transform:translateY(-2px);}
    .clist-card::after{content:'';position:absolute;bottom:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--acc),rgba(142,197,234,.4));transform:scaleX(0);transform-origin:left;transition:transform .4s ease;}
    .clist-card:hover::after{transform:scaleX(1);}
    .clist-no{font-family:'Shippori Mincho',serif;font-size:2.4rem;color:rgba(47,111,165,.1);line-height:1;margin-bottom:8px;}
    .clist-t{font-family:'Shippori Mincho',serif;font-size:1rem;color:var(--acc-dk);margin-bottom:8px;letter-spacing:.04em;}
    .clist-d{font-size:.8rem;color:var(--tx2);line-height:1.85;}

    /* ══ DETAIL SECTIONS ══ */
    .detail-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
    .detail-body{font-size:.9rem;color:var(--tx2);line-height:2.1;margin-bottom:20px;}
    .detail-kws{list-style:none;display:flex;flex-direction:column;gap:10px;margin-bottom:20px;}
    .detail-kws li{display:flex;align-items:center;gap:10px;font-size:.86rem;color:var(--tx1);background:var(--card);border:1px solid var(--br);border-radius:6px;padding:10px 16px;}
    .detail-kws li::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--acc);flex-shrink:0;}
    .detail-result{background:var(--acc-dim);border:1px solid rgba(47,111,165,.2);border-radius:var(--r);padding:22px 24px;}
    .detail-result-t{font-size:.68rem;font-weight:600;letter-spacing:.16em;color:var(--acc);margin-bottom:12px;text-transform:uppercase;}
    .detail-result-list{list-style:none;display:flex;flex-direction:column;gap:8px;}
    .detail-result-list li{font-size:.84rem;color:var(--tx1);display:flex;align-items:center;gap:8px;}
    .detail-result-list li::before{content:'→';color:var(--acc);font-size:.78rem;}
    .detail-visual{background:var(--card);border:1px solid var(--br);border-radius:var(--r);padding:28px;}
    /* Dark version */
    .detail-dk .detail-body{color:rgba(255,255,255,.6);}
    .detail-dk .detail-kws li{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.1);color:rgba(255,255,255,.8);}
    .detail-dk .detail-result{background:rgba(142,197,234,.08);border-color:rgba(142,197,234,.2);}
    .detail-dk .detail-result-t{color:rgba(142,197,234,.8);}
    .detail-dk .detail-result-list li{color:rgba(255,255,255,.75);}
    .detail-dk .detail-result-list li::before{color:rgba(142,197,234,.7);}
    .detail-dk .detail-visual{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.08);}

    /* mini mock visuals */
    .mock-heat{width:100%;height:160px;border-radius:8px;background:var(--bg1);position:relative;overflow:hidden;margin-bottom:16px;}
    .heat-zone{position:absolute;border-radius:50%;}
    .mock-flow{display:flex;flex-direction:column;gap:8px;}
    .flow-row{display:flex;align-items:center;gap:8px;}
    .flow-node{padding:7px 14px;border-radius:4px;font-size:.72rem;text-align:center;flex-shrink:0;}
    .flow-node.fn-top{background:rgba(47,111,165,.2);color:rgba(142,197,234,.9);border:1px solid rgba(142,197,234,.2);}
    .flow-node.fn-mid{background:rgba(255,255,255,.06);color:rgba(255,255,255,.65);border:1px solid rgba(255,255,255,.1);}
    .flow-node.fn-drop{background:rgba(220,80,80,.12);color:rgba(220,120,120,.8);border:1px solid rgba(220,80,80,.15);}
    .flow-arr{color:rgba(142,197,234,.4);font-size:.8rem;}
    .mock-gauge{display:flex;flex-direction:column;gap:10px;}
    .gauge-row{display:flex;align-items:center;gap:10px;}
    .gauge-lbl{font-size:.72rem;color:rgba(255,255,255,.55);width:60px;flex-shrink:0;}
    .gauge-bar{flex:1;height:6px;background:rgba(255,255,255,.08);border-radius:3px;overflow:hidden;}
    .gauge-fill{height:100%;border-radius:3px;background:linear-gradient(90deg,rgba(47,111,165,.7),rgba(142,197,234,.6));}

    /* ══ WHY SMD ══ */
    .why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:860px;margin:0 auto;}
    .why-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--r);padding:32px 26px;text-align:center;transition:all var(--t);}
    .why-card:hover{border-color:rgba(142,197,234,.3);box-shadow:0 4px 20px rgba(0,0,0,.2);}
    .why-ico{width:52px;height:52px;border-radius:50%;background:rgba(47,111,165,.25);border:1px solid rgba(142,197,234,.25);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;}
    .why-ico svg{width:22px;height:22px;stroke:rgba(142,197,234,.85);fill:none;stroke-width:1.4;}
    .why-t{font-family:'Shippori Mincho',serif;font-size:.96rem;color:rgba(255,255,255,.9);margin-bottom:8px;letter-spacing:.04em;}
    .why-d{font-size:.78rem;color:rgba(255,255,255,.5);line-height:1.85;}
    .why-end{text-align:center;margin-top:44px;font-family:'Shippori Mincho',serif;font-size:clamp(.9rem,1.6vw,1.05rem);color:rgba(142,197,234,.8);letter-spacing:.06em;}

    /* ══ RESULTS ══ */
    .result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:900px;margin:0 auto;}
    .result-card{background:var(--card);border:1px solid var(--br);border-radius:var(--r);padding:36px 28px;text-align:center;transition:all var(--t);}
    .result-card:hover{box-shadow:0 8px 28px rgba(47,111,165,.1);transform:translateY(-3px);}
    .result-num{font-family:'Shippori Mincho',serif;font-size:2.6rem;font-weight:400;color:var(--acc);letter-spacing:.02em;line-height:1;margin-bottom:8px;}
    .result-num span{font-size:1.1rem;vertical-align:top;margin-top:.4rem;display:inline-block;}
    .result-label{font-size:.78rem;color:var(--tx2);letter-spacing:.05em;}

    /* ══ CTA ══ */
    .sec-cta{background:#1e2e40;position:relative;overflow:hidden;}
    .sec-cta::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 50% 0%,rgba(142,197,234,.14) 0%,transparent 60%);pointer-events:none;}
    .cta-inner{text-align:center;position:relative;z-index:1;max-width:680px;margin:0 auto;}
    .cta-lead{font-family:'Shippori Mincho',serif;font-size:clamp(1.5rem,3vw,2.2rem);font-weight:400;color:#fff;line-height:1.7;letter-spacing:.06em;margin-bottom:18px;}
    .cta-lead em{font-style:normal;color:rgba(142,197,234,.9);}
    .cta-note{font-size:.86rem;color:rgba(255,255,255,.5);line-height:2;margin-bottom:40px;}
    .cta-kws{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:44px;}
    .cta-kw{font-size:.74rem;color:rgba(255,255,255,.5);border:1px solid rgba(255,255,255,.14);border-radius:100px;padding:5px 18px;letter-spacing:.06em;}
    .cta-sub{font-size:.75rem;color:rgba(255,255,255,.35);margin-top:24px;letter-spacing:.04em;}

    /* ══ DK SECTION BASE ══ */
    .s-dark{background:#1e2e40;position:relative;overflow:hidden;}
    .s-dark::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 85% 15%,rgba(142,197,234,.08) 0%,transparent 50%),radial-gradient(ellipse at 15% 85%,rgba(47,111,165,.07) 0%,transparent 50%);pointer-events:none;}
    .s-dark > .w{position:relative;z-index:1;}

    /* ══ RESPONSIVE ══ */
    @media(max-width:768px){
      .ph{padding:110px 0 72px;}
      .change-grid{grid-template-columns:1fr;max-width:420px;}
      .what-dk-grid,.detail-wrap{grid-template-columns:1fr;}
      .clist-grid{grid-template-columns:1fr 1fr;}
      .why-grid{grid-template-columns:1fr 1fr;}
      .result-grid{grid-template-columns:1fr 1fr;}
    }
    @media(max-width:480px){
      .ph-h1{font-size:1.3rem;}
      .clist-grid,.why-grid{grid-template-columns:1fr;}
      .result-grid{grid-template-columns:1fr;}
    }