:root{
  --ink:#0d1824;--ink2:#1b2a3a;--steel:#5b6b7b;--line:#d9e0e6;--bg:#f3f5f7;--paper:#fff;
  --teal:#0e9fb3;--teal-l:#3fd0e0;--amber:#e8a93c;
  --mono:'IBM Plex Mono',monospace;--en:'Inter','Noto Sans JP',sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.85 'Noto Sans JP',sans-serif;-webkit-font-smoothing:antialiased}
h1,h2,h3,p,dl,dd,ol,ul,figure{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.wrap{width:min(1200px,calc(100% - 64px));margin:0 auto}
.nb{display:inline-block}
.sp{display:none}
.eyebrow{font:500 12px/1 var(--mono);letter-spacing:.14em;color:var(--teal)}

/* header */
.hdr{position:fixed;inset:0 0 auto;z-index:50;transition:background .3s,box-shadow .3s}
.hdr.scrolled{background:rgba(255,255,255,.94);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--line)}
.hdr-in{height:72px;display:flex;align-items:center;gap:24px;width:min(1280px,calc(100% - 48px));margin:0 auto}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{width:34px;height:34px;border-radius:7px;background:var(--ink);position:relative;flex:none}
.logo-mark::before{content:"";position:absolute;inset:8px;border:3px solid var(--teal);border-radius:50%}
.logo-mark::after{content:"";position:absolute;width:6px;height:6px;left:14px;top:14px;background:#fff;border-radius:50%}
.logo-txt b{display:block;font-size:18px;letter-spacing:.06em;line-height:1.1}
.logo-txt small{display:block;font:500 9.5px/1.4 var(--en);letter-spacing:.24em;color:var(--steel)}
.nav{margin-left:auto;display:flex;align-items:center;gap:26px;font-size:14px;font-weight:500}
.nav a:not(.nav-cta):hover{color:var(--teal)}
.nav-cta{background:var(--ink);color:#fff;padding:10px 18px;border-radius:4px}
.nav-cta:hover{background:var(--teal)}
.burger{display:none;margin-left:auto;width:44px;height:44px;border:0;background:none;position:relative;cursor:pointer}
.burger span{position:absolute;left:11px;right:11px;height:2px;background:var(--ink);transition:.3s}
.burger span:first-child{top:17px}.burger span:last-child{top:25px}
.burger[aria-expanded=true] span:first-child{top:21px;transform:rotate(45deg)}
.burger[aria-expanded=true] span:last-child{top:21px;transform:rotate(-45deg)}

/* FV */
.fv{position:relative;padding:150px 0 70px;background:linear-gradient(180deg,#eef2f5 0%,#f7f9fa 70%,#fff 100%);overflow:hidden}
.fv-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(13,24,36,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(13,24,36,.05) 1px,transparent 1px);background-size:40px 40px;mask-image:linear-gradient(180deg,#000 0%,transparent 90%)}
.fv-in{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center}
.fv h1{font-size:clamp(34px,3.9vw,56px);line-height:1.32;font-weight:900;letter-spacing:.01em;margin:20px 0 22px}
.fv h1 em{font-style:normal;color:var(--teal)}
.fv-lead{color:var(--ink2);font-size:16.5px}
.fv-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:54px;padding:0 28px;border-radius:4px;font-weight:700;font-size:15px;transition:.25s}
.btn-main{background:var(--teal);color:#fff;box-shadow:0 8px 24px rgba(14,159,179,.28)}
.btn-main::after{content:"→";font-family:var(--en)}
.btn-main:hover{background:#0b8798;transform:translateY(-1px)}
.btn-ghost{border:1px solid var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff}
.fv-fig{background:#fff;border:1px solid var(--line);border-radius:6px;padding:26px 26px 14px;box-shadow:0 30px 60px -30px rgba(13,24,36,.35);position:relative}
.fv-fig::before{content:"";position:absolute;inset:10px;border:1px solid var(--line);pointer-events:none}
.fv-fig figcaption{display:flex;justify-content:space-between;font:12px var(--mono);color:var(--steel);border-top:1px solid var(--line);margin-top:8px;padding-top:8px}
.fv-fig img{animation:draw 1.6s ease-out both}
@keyframes draw{from{clip-path:inset(0 100% 0 0);opacity:.2}to{clip-path:inset(0 0 0 0);opacity:1}}
.kpi{display:grid;grid-template-columns:repeat(4,1fr);margin-top:64px;border-top:1px solid var(--ink);position:relative}
.kpi li{padding:22px 20px 0;border-left:1px solid var(--line)}
.kpi li:first-child{border-left:0;padding-left:0}
.kpi-num{display:block;font:800 clamp(28px,3.2vw,42px)/1.1 var(--en);letter-spacing:-.01em}
.kpi-num small{font-size:.42em;font-weight:700;margin-left:3px;font-family:'Noto Sans JP'}
.kpi-lbl{display:block;font-size:13px;color:var(--steel);margin-top:8px}

/* sections */
.sec{padding:120px 0}
.sec-no{font:500 12px/1 var(--mono);letter-spacing:.14em;color:var(--teal);margin-bottom:16px}
.sec-ttl{font-size:clamp(26px,3vw,40px);line-height:1.45;font-weight:700;letter-spacing:.02em}
.sec-lead{color:var(--steel);margin-top:12px;font-size:14px}

.pains{background:var(--bg)}
.pain-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:48px}
.pain{background:#fff;border-radius:6px;padding:30px 32px 30px 92px;position:relative;border:1px solid var(--line)}
.pain-i{position:absolute;left:30px;top:30px;font:700 15px var(--mono);color:#fff;background:var(--ink);width:40px;height:40px;border-radius:50%;display:grid;place-items:center}
.pain h3{font-size:19px;line-height:1.55;margin-bottom:8px}
.pain p{color:var(--steel);font-size:14.5px}
.pains-answer{margin-top:44px;text-align:center;font-size:clamp(18px,2vw,24px);font-weight:700}
.pains-answer b{color:var(--teal)}

.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:52px;counter-reset:f}
.flow li{padding:30px 26px 34px;border-top:3px solid var(--ink);position:relative;background:linear-gradient(180deg,var(--bg),#fff)}
.flow li+li{border-left:1px solid var(--line)}
.flow li::after{content:"";position:absolute;right:-9px;top:-9px;width:15px;height:15px;border-radius:50%;background:var(--teal);z-index:1}
.flow li:last-child::after{display:none}
.flow-n{font:500 12px var(--mono);color:var(--teal);letter-spacing:.1em}
.flow h3{font-size:19px;margin:8px 0 12px}
.flow p{font-size:14.5px;color:var(--ink2)}
.flow b{background:linear-gradient(transparent 62%,rgba(14,159,179,.22) 62%)}

.strengths{background:var(--ink);color:#fff}
.strengths .sec-ttl{color:#fff}
.st-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:52px}
.st{border:1px solid rgba(255,255,255,.16);border-radius:6px;padding:34px 30px;background:rgba(255,255,255,.03)}
.st .st-num{font:800 clamp(44px,4.6vw,64px)/1 var(--en);color:var(--teal-l);letter-spacing:-.02em}
.st .st-num small{font-size:.38em;margin-left:4px;color:#fff;font-weight:700}
.st h3{font-size:18px;margin:20px 0 10px}
.st p{color:#b9c4cf;font-size:14.5px}
.materials{margin-top:36px;display:flex;gap:24px;align-items:baseline;border-top:1px solid rgba(255,255,255,.16);padding-top:22px}
.materials dt{font-weight:700;flex:none;font-size:14px}
.materials dd{font:13.5px/1.9 var(--mono);color:#b9c4cf}

.work-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;margin-top:44px}
.work{border:1px solid var(--line);border-radius:6px;overflow:hidden;background:#fff;transition:.3s}
.work:hover{box-shadow:0 20px 40px -24px rgba(13,24,36,.4);transform:translateY(-2px)}
.work-fig{background:var(--bg);background-image:linear-gradient(rgba(13,24,36,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(13,24,36,.045) 1px,transparent 1px);background-size:24px 24px;height:300px;display:grid;place-items:center;padding:24px}
.work-fig img{max-height:250px;max-width:88%;width:auto;height:auto}
.work-cat{font:500 12px var(--mono);color:var(--teal);letter-spacing:.08em;padding:22px 26px 0}
.work h3{font-size:19px;padding:4px 26px 0}
.spec{display:grid;grid-template-columns:auto 1fr;gap:4px 18px;padding:14px 26px 26px;font-size:14px}
.spec dt{color:var(--steel)}
.spec dd{font-family:var(--mono);font-size:13.5px}

.iot{background:linear-gradient(180deg,#fff,var(--bg))}
.iot-in{display:grid;grid-template-columns:1fr 1.05fr;gap:64px;align-items:center}
.iot-lead{margin:22px 0 28px;color:var(--ink2)}
.iot-points li{border-top:1px solid var(--line);padding:16px 0 16px 28px;position:relative}
.iot-points li::before{content:"";position:absolute;left:0;top:25px;width:10px;height:10px;border:2px solid var(--teal);border-radius:50%}
.iot-points b{display:block;font-size:16px}
.iot-points span{display:block;color:var(--steel);font-size:14px}
.dash{background:#0b1520;border-radius:10px;padding:22px;color:#dfe7ee;font-family:var(--mono);box-shadow:0 40px 80px -40px rgba(13,24,36,.7);border:1px solid #1f3042}
.dash-hd{display:flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.12em;color:#8fa3b5}
.dash-hd .dot{width:8px;height:8px;border-radius:50%;background:#35d07f;box-shadow:0 0 10px #35d07f;animation:blink 1.6s infinite}
.dash-time{margin-left:auto;color:var(--teal-l)}
@keyframes blink{50%{opacity:.35}}
.dash-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0}
.dash-kpis div{background:#122132;border-radius:6px;padding:12px 14px}
.dash-kpis small{display:block;font-size:11px;color:#8fa3b5;font-family:'Noto Sans JP'}
.dash-kpis b{font:700 24px/1.3 var(--en);color:#fff}
.dash-kpis b.ok{color:#35d07f}
.dash-kpis i{font-style:normal;font-size:12px;margin-left:2px;color:#8fa3b5}
.dash-machines{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.m{background:#122132;border-radius:5px;padding:9px 12px;font-size:11.5px;display:flex;justify-content:space-between;align-items:center}
.m i{width:44px;height:6px;border-radius:3px;background:#1f3042;position:relative;overflow:hidden}
.m i::after{content:"";position:absolute;inset:0;transform-origin:left}
.m.run i::after{background:#35d07f;animation:load 3s ease-in-out infinite alternate}
.m.setup i::after{background:var(--amber);transform:scaleX(.45)}
.m.idle i::after{background:#55687b;transform:scaleX(.15)}
.m:nth-child(2) i::after{animation-delay:-.7s}.m:nth-child(3) i::after{animation-delay:-1.4s}.m:nth-child(5) i::after{animation-delay:-2s}
@keyframes load{from{transform:scaleX(.6)}to{transform:scaleX(.95)}}
.dash-chart{margin-top:16px;background:#122132;border-radius:6px;padding:12px 14px}
.dash-chart small{font-size:11px;color:#8fa3b5;font-family:'Noto Sans JP'}
.dash-chart svg{width:100%;height:90px;display:block;margin-top:6px}
.dash-line{stroke-dasharray:420;stroke-dashoffset:420;animation:line 2.4s ease-out forwards}
.dash .dash-line{animation-play-state:paused}.dash.in .dash-line{animation-play-state:running}
@keyframes line{to{stroke-dashoffset:0}}
.dash-legend{display:flex;justify-content:space-between;font-size:10.5px;color:#8fa3b5;margin-top:4px}

.reason-list{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin-top:52px}
.rs-n{font:800 54px/1 var(--en);color:transparent;-webkit-text-stroke:1.5px var(--teal)}
.rs h3{font-size:20px;line-height:1.55;margin:18px 0 12px}
.rs p{color:var(--steel);font-size:14.5px}
.numbers{display:grid;grid-template-columns:repeat(4,1fr);margin-top:64px;background:var(--bg);border-radius:6px}
.numbers li{padding:28px 24px;text-align:center}
.numbers li+li{border-left:1px solid var(--line)}
.numbers b{display:block;font:800 36px/1.2 var(--en)}
.numbers small{color:var(--steel);font-size:13px}

.scenes{background:var(--bg)}
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px}
.scene{background:#fff;border-radius:6px;padding:26px 22px;border-top:3px solid var(--teal)}
.scene-who{font-weight:700;font-size:16.5px;line-height:1.55;margin-bottom:12px}
.scene p:last-child{color:var(--steel);font-size:14px}
.photo-slot{margin-top:28px;border:2px dashed #aebbc7;border-radius:6px;min-height:240px;display:grid;place-content:center;text-align:center;gap:6px;padding:24px;background:repeating-linear-gradient(135deg,rgba(13,24,36,.025) 0 12px,transparent 12px 24px)}
.photo-slot span{font:500 12px var(--mono);color:var(--teal);letter-spacing:.12em}
.photo-slot p{color:var(--steel);font-size:14px}
.photo-slot.tall{min-height:300px}

.company-in{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px;align-items:start}
.co-tbl{width:100%;border-collapse:collapse;font-size:15px}
.co-tbl th,.co-tbl td{text-align:left;padding:18px 0;border-bottom:1px solid var(--line);vertical-align:top}
.co-tbl tr:first-child th,.co-tbl tr:first-child td{border-top:1px solid var(--ink)}
.co-tbl th{width:8em;color:var(--steel);font-weight:500}

.cta{background:var(--ink);color:#fff;padding:110px 0;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;right:-120px;top:-120px;width:480px;height:480px;border:1px solid rgba(63,208,224,.25);border-radius:50%;box-shadow:0 0 0 60px rgba(63,208,224,.04),0 0 0 120px rgba(63,208,224,.03)}
.cta-in{position:relative;text-align:center}
.cta h2{font-size:clamp(30px,4vw,52px);line-height:1.4;font-weight:900;margin:18px 0}
.cta-lead{color:#b9c4cf}
.cta-btns{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:36px}
.btn-line{border:1px solid rgba(255,255,255,.4);flex-direction:column;gap:0;line-height:1.3;font-family:var(--en)}
.btn-line small{font:400 11px 'Noto Sans JP';color:#b9c4cf}
.cta-note{margin:40px auto 0;max-width:640px;font-size:13.5px;color:#b9c4cf;border:1px solid rgba(255,255,255,.16);border-radius:4px;padding:14px 18px}

.ftr{background:#08111a;color:#8fa3b5;padding:36px 0 24px;font-size:12.5px}
.ftr .logo-txt b{color:#fff}
.ftr-in{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.fictional{text-align:center;margin-top:24px;font-size:11px;color:#62778b;padding:0 16px}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .8s,transform .8s}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.fv-fig img,.dash-line{animation:none;stroke-dashoffset:0}}

/* responsive */
@media (max-width:1024px){
  .nav{gap:18px;font-size:13px}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow li:nth-child(3){border-left:0}
  .flow li:nth-child(2)::after{display:none}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .iot-in,.fv-in{grid-template-columns:1fr}
  .fv-fig{max-width:680px}
}
@media (max-width:860px){
  .burger{display:block}
  .nav{position:fixed;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;padding:8px 24px 24px;box-shadow:0 20px 30px -20px rgba(13,24,36,.3);transform:translateY(-8px);opacity:0;pointer-events:none;transition:.25s}
  .nav.open{transform:none;opacity:1;pointer-events:auto}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line);font-size:15px}
  .nav-cta{text-align:center;margin-top:14px;border:0}
  .hdr{background:rgba(255,255,255,.94)}
}
@media (max-width:640px){
  .wrap{width:calc(100% - 32px)}
  .hdr-in{width:calc(100% - 24px)}
  .pc{display:none}
  .sec{padding:80px 0}
  .fv{padding:110px 0 50px}
  .fv-lead{font-size:15px}
  .fv-btns .btn{width:100%}
  .fv-fig{padding:14px 14px 10px}
  .fv-fig figcaption{font-size:10px}
  .kpi{grid-template-columns:repeat(2,1fr);margin-top:44px}
  .kpi li{padding:18px 14px 18px}
  .kpi li:nth-child(odd){border-left:0;padding-left:0}
  .kpi li:nth-child(n+3){border-top:1px solid var(--line)}
  .pain-list,.work-grid,.st-grid,.reason-list,.flow{grid-template-columns:1fr}
  .flow li{border-left:0 !important}
  .flow li::after{display:none}
  .pain{padding:24px 22px 24px 76px}
  .pain-i{left:20px;top:24px;width:36px;height:36px;font-size:13px}
  .pain h3{font-size:17px}
  .scene-grid{grid-template-columns:1fr}
  .work-fig{height:220px}
  .work-fig img{max-height:180px}
  .numbers{grid-template-columns:repeat(2,1fr)}
  .numbers li:nth-child(3){border-left:0}
  .numbers li:nth-child(n+3){border-top:1px solid var(--line)}
  .numbers b{font-size:28px}
  .materials{flex-direction:column;gap:6px}
  .company-in{grid-template-columns:1fr;gap:28px}
  .co-tbl{font-size:14px}
  .co-tbl th{width:6.5em}
  .dash{padding:16px}
  .dash-kpis b{font-size:19px}
  .dash-machines{grid-template-columns:repeat(2,1fr)}
  .cta{padding:80px 0}
  .cta-btns .btn{width:100%}
}

/* 写真（AI生成）: ヒーローと検査 */
.fv-fig{padding:0;border:0;background:none;box-shadow:none}
.fv-fig::before{display:none}
.fv-photo{border-radius:8px;overflow:hidden;aspect-ratio:16/10;box-shadow:0 30px 60px -30px rgba(13,24,36,.55)}
.fv-photo img{width:100%;height:100%;object-fit:cover;animation:none;transform:scale(1.04);animation:slowzoom 14s ease-out forwards}
@keyframes slowzoom{to{transform:scale(1.12)}}
.fv-dwg{position:absolute;left:-36px;bottom:-34px;width:58%;background:#fff;border:1px solid var(--line);border-radius:6px;padding:14px 14px 8px;box-shadow:0 24px 40px -20px rgba(13,24,36,.45)}
.fv-dwg img{animation:draw 1.6s .4s ease-out both}
.fv-dwg figcaption{display:flex;justify-content:space-between;font:10px var(--mono);color:var(--steel);border-top:1px solid var(--line);margin-top:6px;padding-top:6px}
.inspect{display:grid;grid-template-columns:1.15fr 1fr;gap:56px;align-items:center;margin-top:72px}
.inspect-photo{border-radius:8px;overflow:hidden;aspect-ratio:16/10}
.inspect-photo img{width:100%;height:100%;object-fit:cover}
.inspect-txt h3{font-size:clamp(22px,2.4vw,30px);line-height:1.5;margin:14px 0 16px}
.inspect-txt>p:not(.eyebrow){color:var(--ink2);font-size:15px}
.inspect-txt ul{display:grid;grid-template-columns:repeat(3,1fr);margin-top:24px;border-top:1px solid var(--ink)}
.inspect-txt li{padding:14px 10px 0 0}
.inspect-txt li b{display:block;font:800 22px/1.3 var(--en);color:var(--teal)}
.inspect-txt li span{font-size:12.5px;color:var(--steel)}
@media (max-width:1024px){.fv-dwg{left:16px;bottom:-30px;width:56%}.fv-fig{margin-bottom:30px}}
@media (max-width:640px){
  .fv-dwg{position:relative;left:auto;bottom:auto;width:86%;margin:-40px 0 0 auto}
  .fv-fig{margin-bottom:0}
  .inspect{grid-template-columns:1fr;gap:24px;margin-top:48px}
}
@media (prefers-reduced-motion:reduce){.fv-photo img{animation:none}}