:root{--signal-on-dark:#ff5a36;--signal-on-light:#c33517;--signal-text:#c33517;
  --ink:#0a1622;--ink2:#0e1d2c;--paper:#f3f0e9;--warm:#ece7db;--card:#fff;
  --signal:#ff5a36;--signal2:#d63a1c;--trace:#00b4a6;--trace2:#067c74;
  --steel:#5a6b7b;--steel-l:#9aa8b4;--line:rgba(10,22,34,.12);--line2:rgba(10,22,34,.26);--gold:#c9a84a;
  --serif:"Times New Roman",'Noto Serif JP',serif;--sans:'Helvetica Neue',Arial,'Noto Sans JP',sans-serif;--mono:'SFMono-Regular',Consolas,monospace;
}body{font-family:var(--sans);background:var(--paper);color:var(--ink);line-height:1.8;-webkit-font-smoothing:antialiased}@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto}}.wrap{max-width:1200px;margin:0 auto;padding:0 28px}.btn{font-family:var(--mono);font-size:14px;letter-spacing:.04em;padding:15px 26px;display:inline-flex;align-items:center;gap:10px;border:1px solid;transition:.2s;cursor:pointer}.btn-fill:hover{background:var(--signal2);border-color:var(--signal2)}.btn-line{background:transparent;border-color:var(--line2);color:var(--ink)}.btn-line:hover{border-color:var(--trace);color:var(--trace2)}.btn-ghost{background:transparent;border-color:rgba(255,255,255,.3);color:#fff}.btn-ghost:hover{border-color:var(--trace);color:var(--trace)}.sec-tag{font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--trace2);text-transform:uppercase;margin-bottom:14px}.sec-h{font-family:var(--serif);font-weight:400;font-size:clamp(28px,4vw,44px);line-height:1.15;margin-bottom:18px}/* ===== ヘッダ ===== */
header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(243,240,233,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.nav{display:flex;justify-content:space-between;align-items:center;height:64px}.brand{display:flex;align-items:center;gap:12px}.brand .glyph{width:36px;height:36px;background:var(--ink);display:grid;place-items:center;position:relative;flex:none}.brand .glyph::after{content:"+";color:#fff;font-family:var(--mono);font-size:19px;font-weight:700}.brand b{font-size:14px;font-weight:800;display:block;line-height:1.1}.brand small{font-family:var(--mono);font-size:8px;letter-spacing:.16em;color:var(--steel);text-transform:uppercase}.nav-menu{display:flex;gap:24px;align-items:center}.nav-menu a{font-size:13px;font-weight:600}.nav-menu a:hover{color:var(--signal2)}.nav-cta{background:var(--signal2);color:#fff!important;padding:9px 16px;font-family:var(--mono);font-size:12px}@media (max-width:860px){.nav-menu{display:none}}/* ===== 1. ファーストビュー（縦） ===== */
.fv{min-height:100vh;background:var(--ink);color:#fff;display:flex;align-items:center;position:relative;overflow:hidden;padding:90px 0 50px}.fv-photo-bg{position:absolute;inset:0;background:url(/products/images/use-smartcity.jpg) center right/cover no-repeat;opacity:.28}.fv-photo-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--ink) 8%,rgba(10,22,34,.72) 45%,rgba(10,22,34,.55) 100%)}.fv-grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(0,180,166,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(0,180,166,.07) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse 75% 75% at 60% 40%,#000 20%,transparent 75%)}.fv-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}.fv-badge{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;border:1px solid rgba(0,180,166,.4);color:var(--trace);padding:6px 13px;margin-bottom:24px}.fv-badge .dot{color:var(--trace)}.fv h1{font-family:var(--serif);font-weight:400;font-size:clamp(32px,5vw,58px);line-height:1.12;margin-bottom:22px}.fv h1 em{font-style:normal;color:var(--trace)}.fv-lead{font-size:16px;color:var(--steel-l);line-height:1.85;margin-bottom:18px;max-width:560px}.fv-value{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:32px}.fv-value span{font-family:var(--mono);font-size:13px;color:#fff;display:flex;align-items:center;gap:7px}.fv-value span::before{content:"›";color:var(--signal);font-weight:700}.fv-actions{display:flex;gap:13px;flex-wrap:wrap}.fv-visual{position:relative}.fv-visual img{width:100%;height:auto;border-radius:12px;border:1px solid rgba(255,255,255,.14);box-shadow:0 24px 70px rgba(0,0,0,.45);background:#fff}.fv-vcap{font-family:var(--mono);font-size:10px;color:var(--steel);margin-top:10px;text-align:center}.scroll-hint{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);font-family:var(--mono);font-size:10px;letter-spacing:.15em;color:var(--steel-l);z-index:3;text-align:center}.scroll-hint::after{content:"";display:block;width:1px;height:30px;background:linear-gradient(var(--trace),transparent);margin:8px auto 0}@media (max-width:860px){.fv-grid{grid-template-columns:1fr;gap:34px}.fv{padding:84px 0 60px}}/* ===== 共通: 縦セクション ===== */
.vsec{padding:90px 0}.vsec.alt{background:var(--warm)}.vsec.dark{background:var(--ink);color:#fff}/* ===== 2. 課題提示（縦） ===== */
.issues{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}.issue-card{background:var(--card);border:1px solid var(--line);padding:30px 26px;position:relative}.issue-card .num{font-family:var(--mono);font-size:12px;color:var(--signal);font-weight:700;margin-bottom:14px}.issue-card h3{font-size:18px;font-weight:700;margin-bottom:12px;line-height:1.4}.issue-card p{font-size:14px;color:var(--steel);line-height:1.8}.issue-arrow{text-align:center;font-size:30px;color:var(--trace);margin:34px 0 0}.issue-concl{text-align:center;max-width:760px;margin:24px auto 0;font-size:17px;line-height:1.9}.issue-concl strong{color:var(--signal2)}@media (max-width:780px){.issues{grid-template-columns:1fr}}/* ===== 横スクロールセクション 共通 ===== */
.hsec{background:var(--ink);color:#fff;position:relative;overflow:hidden}.hsec-head{padding:70px 0 30px;position:relative;z-index:3}.hsec-head .sec-tag{color:var(--trace)}.hsec-head .sec-h{color:#fff}.hsec-head p{color:var(--steel-l);font-size:15px;max-width:680px}.htrack-outer{position:relative}.htrack{display:flex;gap:0;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none}.htrack::-webkit-scrollbar{display:none}.hpanel{min-width:100vw;max-width:100vw;flex:0 0 100vw;scroll-snap-align:start;padding:16px 0 30px;box-sizing:border-box}.hpanel-inner{max-width:1080px;margin:0 auto;padding:0 48px;display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}.hpanel-num{font-family:var(--mono);font-size:13px;color:var(--signal);font-weight:700;margin-bottom:14px;letter-spacing:.08em}.hpanel h3{font-family:var(--serif);font-weight:400;font-size:clamp(24px,3vw,36px);line-height:1.18;margin-bottom:16px}.hpanel h3 em{font-style:normal;color:var(--trace)}.hpanel p{font-size:14.5px;color:var(--steel-l);line-height:1.85;margin-bottom:14px}.hpanel ul{list-style:none;display:flex;flex-direction:column;gap:8px;margin-top:6px}.hpanel ul li{font-size:13.5px;color:#dde6ed;display:flex;gap:10px;line-height:1.55}.hpanel ul li::before{content:"✓";color:var(--trace);font-weight:700;flex:none}.hpanel-visual{display:flex;flex-direction:column;align-items:center}.hpanel-visual img{width:100%;max-height:42vh;height:auto;object-fit:contain;border-radius:10px;border:1px solid rgba(255,255,255,.14);background:#fff}.hpanel-visual .vcap{font-family:var(--mono);font-size:10px;color:var(--steel);margin-top:9px;text-align:center}/* 横スクロール プログレス＆操作 */
.hbar{position:sticky;bottom:0;z-index:5;background:linear-gradient(transparent,var(--ink) 40%);padding:0 0 26px}.hbar-inner{max-width:1100px;margin:0 auto;padding:0 40px;display:flex;align-items:center;justify-content:space-between;gap:20px}.hprog{display:flex;align-items:center;gap:14px}.hprog-text{font-family:var(--mono);font-size:13px;color:var(--trace)}.hprog-track{width:160px;height:3px;background:rgba(255,255,255,.18);position:relative}.hprog-fill{position:absolute;left:0;top:0;height:100%;background:var(--signal);transition:width .3s}.hdots{display:flex;gap:8px}.hdot{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.25);border:none;cursor:pointer;transition:.18s;padding:0}.hdot.active{background:var(--signal);transform:scale(1.25)}.harrows{display:flex;gap:8px}.harrow{width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.25);color:#fff;font-size:22px;cursor:pointer;display:grid;place-items:center;transition:.18s}.harrow:hover{background:var(--signal);border-color:var(--signal)}.harrow:disabled{opacity:.3;cursor:default}.hhint{font-family:var(--mono);font-size:10px;color:var(--steel);letter-spacing:.1em;text-align:center;padding:0 0 18px}/* CTAを横パネルに埋め込み */
.hpanel-cta{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap}/* スマホ: 横→縦積み */
@media (max-width:920px){
  .htrack{display:block;overflow-x:visible;scroll-snap-type:none}
  .hpanel{min-width:100%;max-width:100%;flex:none;padding:14px 0 30px}
  .hpanel-inner{grid-template-columns:1fr;gap:24px;padding:0 22px;min-height:auto}
  .hbar{display:none}
  .hpanel{border-bottom:1px solid rgba(255,255,255,.1)}
  .hpanel-visual{order:-1}
}/* ===== 5. 導入用途（縦） ===== */
.uses{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px}.use-card{background:var(--card);border:1px solid var(--line);padding:26px 22px;transition:.18s}.use-card:hover{border-color:var(--trace);transform:translateY(-3px);box-shadow:0 12px 30px rgba(10,22,34,.1)}.use-ico{width:46px;height:46px;background:var(--ink);display:grid;place-items:center;margin-bottom:16px}.use-ico svg{width:26px;height:26px}.use-card h3{font-size:16px;font-weight:700;margin-bottom:9px}.use-card p{font-size:13.5px;color:var(--steel);line-height:1.75}.use-effect{font-family:var(--mono);font-size:11px;color:var(--trace2);margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}@media (max-width:780px){.uses{grid-template-columns:1fr 1fr}}@media (max-width:520px){.uses{grid-template-columns:1fr}}/* ===== 7. 信頼性・FAQ（縦） ===== */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px}.trust-card{text-align:center;padding:26px 18px;background:var(--card);border:1px solid var(--line)}.trust-card .big{font-family:var(--serif);font-size:34px;color:var(--signal2);line-height:1;margin-bottom:10px}.trust-card p{font-size:13px;color:var(--steel);line-height:1.6}.faq-wrap{max-width:840px;margin:46px auto 0}.faq-item{border-bottom:1px solid var(--line2)}.faq-item summary{cursor:pointer;padding:18px 4px;font-size:15px;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:14px}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary::after{content:"+";font-family:var(--mono);color:var(--signal);font-size:20px;transition:.2s}.faq-item[open] summary::after{transform:rotate(45deg)}.faq-item p{padding:0 4px 20px;font-size:13.5px;color:var(--steel);line-height:1.8}@media (max-width:780px){.trust-grid{grid-template-columns:1fr 1fr}}/* ===== 8. 最終CTA（縦） ===== */
.final-cta{background:var(--ink);color:#fff;padding:80px 0;text-align:center}.final-cta .sec-h{color:#fff}.final-cta p{color:var(--steel-l);font-size:16px;max-width:620px;margin:0 auto 36px}.cta-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;max-width:900px;margin:0 auto 30px}.cta-card{background:var(--ink2);border:1px solid rgba(255,255,255,.15);padding:24px 18px;transition:.18s;cursor:pointer}.cta-card:hover{border-color:var(--signal);transform:translateY(-3px)}.cta-card .ico{font-size:24px;margin-bottom:10px}.cta-card h3{font-size:14px;font-weight:700;margin-bottom:6px}.cta-card p{font-size:11px;color:var(--steel-l);margin:0}@media (max-width:780px){.cta-grid{grid-template-columns:1fr 1fr}}footer{background:#060d15;color:var(--steel-l);padding:50px 0 26px;font-size:13px}.foot-top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.1)}.foot-links{display:flex;gap:30px;flex-wrap:wrap}.foot-links a:hover{color:var(--trace)}.foot-bottom{padding-top:20px;font-family:var(--mono);font-size:11px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}.uses-lead{font-size:15px;color:var(--steel);line-height:1.9;max-width:820px;margin:0 auto 40px;text-align:center}.uses{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:0}.use-card{background:var(--card);border:1px solid var(--line);overflow:hidden;transition:.2s;display:flex;flex-direction:column}.use-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(10,22,34,.15);border-color:var(--trace)}.use-photo{width:100%;aspect-ratio:3/1;overflow:hidden;background:var(--ink)}.use-photo img{width:100%;height:100%;object-fit:cover;display:block;transition:.4s}.use-card:hover .use-photo img{transform:scale(1.05)}.use-txt{padding:20px 22px 22px}.use-txt h3{font-size:17px;font-weight:700;margin-bottom:9px;color:var(--ink)}.use-txt p{font-size:13px;color:var(--steel);line-height:1.75;margin:0}.use-effect{font-family:var(--mono);font-size:11px;color:var(--trace2);margin-top:13px;padding-top:12px;border-top:1px solid var(--line)}@media (max-width:880px){.uses{grid-template-columns:1fr 1fr}}@media (max-width:560px){.uses{grid-template-columns:1fr}.use-photo{aspect-ratio:16/7}}.fv-brands{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:26px 0 28px;max-width:600px}.fv-brand{border:1px solid rgba(0,180,166,.28);border-left:3px solid var(--trace);padding:13px 16px;background:rgba(0,180,166,.06)}.fv-brand b{display:block;font-size:15px;color:var(--trace);font-family:var(--mono);margin-bottom:5px}.fv-brand span{font-size:11.5px;color:var(--steel-l);line-height:1.6}.fv-lead strong{color:#fff;font-weight:700}@media (max-width:560px){.fv-brands{grid-template-columns:1fr}}.what-lead{font-size:15.5px;color:var(--steel);line-height:1.9;max-width:800px;margin:0 auto 42px;text-align:center}.what-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}.what-card{background:var(--card);border:1px solid var(--line);padding:32px 30px;transition:.2s}.what-card:hover{box-shadow:0 14px 40px rgba(10,22,34,.1)}.what-head{display:flex;align-items:center;gap:12px;margin-bottom:18px}.what-badge{font-family:var(--mono);font-size:14px;font-weight:700;padding:5px 14px;color:#fff}.what-badge.enc{background:var(--signal)}.what-badge.soce{background:var(--trace)}.what-flag{font-size:12px;color:var(--steel);font-family:var(--mono)}.what-card h3{font-size:20px;font-weight:700;margin-bottom:14px;color:var(--ink)}.what-desc{font-size:14px;color:var(--steel);line-height:1.85;margin-bottom:20px}.what-list{list-style:none;display:flex;flex-direction:column;gap:11px;margin-bottom:22px}.what-list li{font-size:13px;color:var(--ink);line-height:1.6;padding-left:16px;position:relative}.what-list li::before{content:"\25aa";position:absolute;left:0;color:var(--trace2)}.what-list b{color:var(--ink);font-weight:700}.what-link{font-family:var(--mono);font-size:13px;color:var(--signal-deep);font-weight:600;transition:.15s}.what-link:hover{color:var(--signal2);letter-spacing:.02em}.what-note{font-size:14px;color:var(--ink);line-height:1.9;max-width:820px;margin:38px auto 0;text-align:center;padding:22px 26px;background:var(--warm);border-left:3px solid var(--trace)}@media (max-width:820px){.what-grid{grid-template-columns:1fr}}.what-logo{height:30px;width:auto;object-fit:contain}.prodmap{margin:48px auto 0;max-width:1000px}.prodmap-h{font-size:20px;font-weight:700;text-align:center;margin-bottom:10px;color:var(--ink)}.prodmap-lead{font-size:14px;color:var(--steel);text-align:center;margin-bottom:32px;line-height:1.8}.pm-flow{display:flex;align-items:stretch;justify-content:center;gap:14px;flex-wrap:wrap}.pm-col{flex:1;min-width:180px;max-width:250px;position:relative}.pm-num{position:absolute;top:-12px;left:-6px;width:26px;height:26px;border-radius:50%;background:var(--ink);color:#fff;font-family:var(--mono);font-size:13px;display:grid;place-items:center;z-index:2}.pm-card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:22px 18px;height:100%;text-align:center;transition:.2s}.pm-card:hover{box-shadow:0 10px 30px rgba(10,22,34,.12);transform:translateY(-3px)}.pm-ico{width:48px;height:48px;margin:0 auto 12px}.pm-ico svg{width:100%;height:100%}.pm-card b{display:block;font-size:15px;margin-bottom:8px;color:var(--ink)}.pm-card span{display:block;font-size:12px;color:var(--steel);line-height:1.65;margin-bottom:10px}.pm-card em{font-family:var(--mono);font-size:11px;color:var(--signal2);font-style:normal;font-weight:700}.pm-som{border-top:3px solid var(--signal)}.pm-board{border-top:3px solid var(--trace)}.pm-result{background:var(--ink);border:none}.pm-result b{color:#fff}.pm-result span{color:var(--steel-l)}.pm-result em{color:var(--trace)}.pm-plus,.pm-eq{display:flex;align-items:center;font-size:28px;color:var(--steel);font-weight:300;flex:none}.pm-ip{max-width:640px;margin:24px auto 0;position:relative}.pm-ipcard{border-top:3px solid var(--trace2);display:flex;align-items:flex-start;gap:16px;text-align:left}.pm-ipcard .pm-ico{flex:none;margin:0}.pm-ip .pm-num{background:var(--trace2)}.pm-note{font-size:13.5px;color:var(--ink);line-height:1.9;text-align:center;margin-top:28px;padding:18px 22px;background:rgba(0,180,166,.07);border-radius:8px}@media (max-width:760px){
  .pm-flow{flex-direction:column;align-items:center}
  .pm-plus,.pm-eq{transform:rotate(90deg)}
  .pm-col{max-width:100%;width:100%}
  .pm-ipcard{flex-direction:column;text-align:center;align-items:center}
}