:root{
  --bg:#0b0d10; --bg2:#11151a; --panel:#161b22; --panel2:#1c222b;
  --ink:#e9ecef; --ink2:#9aa4ae; --mute:#5d6873;
  --red:#e23b2e; --red-d:#bf2c20; --steel:#8a97a6; --amber:#e0a43b;
  --line:rgba(255,255,255,.1); --line2:rgba(255,255,255,.06);
  --jp:'Noto Sans JP',sans-serif; --en:'Oswald',sans-serif; --mono:'Roboto Mono',monospace;
  --ease:cubic-bezier(.5,0,.12,1);
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;interpolate-size:allow-keywords;}
body{background:var(--bg);color:var(--ink);font-family:var(--jp);line-height:1.85;font-weight:400;-webkit-font-smoothing:antialiased;overflow-x:hidden;}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
section{position:relative;}
::selection{background:var(--red);color:#fff;}
.wrap{width:min(92%,1240px);margin-inline:auto;}
h1,h2,h3{font-weight:700;line-height:1.2;}
h1,h2,h3,p,.lead{word-break:auto-phrase;line-break:strict;text-wrap:pretty;}
.mono{font-family:var(--mono);}
.lbl{font-family:var(--mono);font-size:12px;letter-spacing:.22em;color:var(--red);text-transform:uppercase;}

/* loader */
.loader{position:fixed;inset:0;z-index:200;background:#070809;display:grid;place-content:center;gap:20px;justify-items:center;transition:opacity .7s var(--ease),visibility .7s var(--ease);}
.loader.done{opacity:0;visibility:hidden;}
.loader__t{font-family:var(--en);font-weight:700;font-size:30px;letter-spacing:.3em;text-indent:.3em;color:var(--ink);}
.loader__t b{color:var(--red);}
.loader__bar{width:200px;height:2px;background:rgba(255,255,255,.12);overflow:hidden;}
.loader__bar i{display:block;height:100%;width:100%;background:var(--red);transform:scaleX(0);transform-origin:left;animation:lprog 1.3s var(--ease) infinite;}
.loader__pct{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--mute);}
@keyframes lprog{0%{transform:scaleX(0);}100%{transform:scaleX(1);}}

/* header */
.hd{position:fixed;inset:0 0 auto 0;z-index:80;display:flex;align-items:center;justify-content:space-between;padding:18px clamp(18px,4vw,48px);transition:.4s var(--ease);border-bottom:1px solid transparent;}
.hd.sc{background:rgba(11,13,16,.82);backdrop-filter:blur(12px);border-bottom-color:var(--line2);padding-block:13px;}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--en);font-weight:700;font-size:21px;letter-spacing:.14em;}
.brand .mk{width:30px;height:30px;flex:0 0 auto;}
.brand small{display:block;font-family:var(--mono);font-weight:400;font-size:8.5px;letter-spacing:.2em;color:var(--mute);margin-top:2px;}
.nav{display:flex;gap:30px;font-family:var(--en);font-weight:500;font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink2);}
.nav a{position:relative;padding:5px 0;transition:.3s;}
.nav a::before{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--red);transition:.35s var(--ease);}
.nav a:hover,.nav a.cur{color:var(--ink);} .nav a:hover::before,.nav a.cur::before{width:100%;}
.hd__cta{font-family:var(--en);font-weight:600;font-size:13px;letter-spacing:.1em;text-transform:uppercase;background:var(--red);color:#fff;padding:12px 24px;clip-path:polygon(0 0,100% 0,100% 100%,10px 100%);transition:.3s;}
.hd__cta:hover{background:var(--red-d);}
.burger{display:none;flex-direction:column;gap:6px;width:30px;}
.burger span{height:2px;background:var(--ink);}
.mnav{position:fixed;inset:0;z-index:120;background:#070809;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;font-family:var(--en);font-size:24px;letter-spacing:.12em;text-transform:uppercase;opacity:0;visibility:hidden;transition:.45s var(--ease);}
.mnav.open{opacity:1;visibility:visible;}

/* hero */
.hero{position:relative;height:100svh;min-height:640px;display:flex;align-items:center;overflow:hidden;}
.hero__bg{position:absolute;inset:0;z-index:0;}
.hero__bg img{width:100%;height:100%;object-fit:cover;}
.hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,9,11,.92) 0%,rgba(8,9,11,.6) 48%,rgba(8,9,11,.28) 100%);}
.hero__grid{position:absolute;inset:0;z-index:1;background-image:linear-gradient(var(--line2) 1px,transparent 1px),linear-gradient(90deg,var(--line2) 1px,transparent 1px);background-size:64px 64px;mask-image:linear-gradient(100deg,#000 30%,transparent 75%);}
.hero__in{position:relative;z-index:3;width:min(92%,1240px);margin-inline:auto;}
.hero__tag{font-family:var(--mono);font-size:13px;letter-spacing:.18em;color:var(--red);margin-bottom:24px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.hero__tag::before{content:"";width:46px;height:1px;background:var(--red);}
.hero h1{font-family:var(--en);font-weight:700;font-size:clamp(46px,9vw,128px);line-height:.96;letter-spacing:.01em;text-transform:uppercase;margin-bottom:10px;}
.hero h1 .jp{display:block;font-family:var(--jp);font-weight:700;font-size:clamp(20px,3vw,38px);letter-spacing:.04em;text-transform:none;margin-top:18px;line-height:1.5;}
.hero h1 em{color:var(--red);font-style:normal;}
.hero__p{max-width:30em;color:var(--ink2);font-size:15px;margin:24px 0 34px;}
.hero__readout{position:absolute;right:0;bottom:clamp(40px,8vh,90px);z-index:3;display:grid;gap:14px;text-align:right;}
.hero__readout div{font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--ink2);}
.hero__readout b{display:block;font-family:var(--en);font-weight:600;font-size:26px;color:var(--ink);letter-spacing:.04em;}
.hero__readout b em{color:var(--red);font-style:normal;}
.hero__scroll{position:absolute;left:clamp(18px,4vw,48px);bottom:30px;z-index:3;font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--ink2);writing-mode:vertical-rl;display:flex;align-items:center;gap:14px;}
.hero__scroll::after{content:"";width:1px;height:60px;background:var(--red);animation:sd 1.8s var(--ease) infinite;}
@keyframes sd{0%{transform:scaleY(.2);transform-origin:top;}50%{transform:scaleY(1);transform-origin:top;}51%{transform:scaleY(1);transform-origin:bottom;}100%{transform:scaleY(.2);transform-origin:bottom;}}

.btn{font-family:var(--en);font-weight:600;font-size:14px;letter-spacing:.1em;text-transform:uppercase;padding:16px 34px;transition:.4s var(--ease);display:inline-flex;align-items:center;gap:11px;position:relative;overflow:hidden;z-index:0;}
.btn svg{width:16px;height:16px;}
.btn--fill{background:var(--red);color:#fff;clip-path:polygon(0 0,100% 0,100% 100%,14px 100%);}
.btn--fill::before{content:"";position:absolute;inset:0;background:#fff;z-index:-1;transform:translateX(-101%);transition:transform .4s var(--ease);}
.btn--fill:hover{color:var(--red);}.btn--fill:hover::before{transform:translateX(0);}
.btn--line{border:1px solid var(--line);color:var(--ink);}
.btn--line:hover{border-color:var(--red);color:var(--red);}

/* marquee */
.marquee{background:var(--red);color:#fff;padding:16px 0;overflow:hidden;}
.marquee__row{display:flex;width:max-content;animation:mq 30s linear infinite;}
.marquee:hover .marquee__row{animation-play-state:paused;}
.marquee span{font-family:var(--en);font-weight:600;font-size:clamp(16px,2vw,24px);letter-spacing:.08em;text-transform:uppercase;padding:0 .8em;display:inline-flex;align-items:center;gap:.8em;}
.marquee span::after{content:"／";opacity:.5;}
@keyframes mq{to{transform:translateX(-50%);}}

/* section base */
.sec{padding:clamp(72px,10vw,150px) 0;}
.sec--panel{background:var(--bg2);}
.shead{margin-bottom:clamp(40px,5vw,68px);max-width:50em;}
.shead .lbl{display:inline-block;margin-bottom:16px;}
.shead h2{font-family:var(--en);font-weight:700;font-size:clamp(30px,5vw,62px);text-transform:uppercase;letter-spacing:.01em;line-height:1;}
.shead h2 .jp{display:block;font-family:var(--jp);font-weight:700;font-size:clamp(17px,2vw,24px);text-transform:none;margin-top:14px;letter-spacing:.03em;color:var(--ink2);}
.shead p{color:var(--ink2);margin-top:18px;font-size:15px;}

/* strengths */
.str{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line2);border:1px solid var(--line2);}
.str__c{background:var(--bg);padding:clamp(28px,3vw,44px);position:relative;transition:.4s var(--ease);}
.str__c:hover{background:var(--panel);}
.str__no{font-family:var(--mono);font-size:12px;color:var(--red);letter-spacing:.12em;}
.str__ic{width:50px;height:50px;color:var(--red);margin:18px 0 18px;}
.str__ic svg{width:100%;height:100%;}
.str__c h3{font-family:var(--en);font-weight:600;font-size:22px;letter-spacing:.04em;text-transform:uppercase;margin-bottom:6px;}
.str__c h3 .jp{display:block;font-family:var(--jp);font-size:16px;letter-spacing:.02em;text-transform:none;margin-top:4px;}
.str__c p{color:var(--ink2);font-size:13.5px;line-height:1.85;margin-top:12px;}

/* horizontal scroll */
.hscroll{position:relative;background:var(--bg2);}
.hscroll__sticky{position:sticky;top:0;height:100vh;overflow:hidden;display:flex;flex-direction:column;justify-content:center;}
.hscroll__head{position:absolute;top:clamp(40px,8vh,80px);left:0;right:0;width:min(92%,1240px);margin-inline:auto;z-index:3;}
.hscroll__head h2{font-family:var(--en);font-weight:700;font-size:clamp(28px,4vw,52px);text-transform:uppercase;}
.hscroll__head h2 .jp{font-family:var(--jp);font-size:.4em;color:var(--ink2);margin-left:14px;}
.hscroll__track{display:flex;gap:24px;padding:0 clamp(18px,4vw,48px);will-change:transform;}
.hpanel{flex:0 0 clamp(300px,42vw,520px);background:var(--panel);border:1px solid var(--line2);position:relative;overflow:hidden;}
.hpanel__img{aspect-ratio:16/10;overflow:hidden;}
.hpanel__img img{width:100%;height:100%;object-fit:cover;opacity:.85;transition:.6s var(--ease);}
.hpanel:hover .hpanel__img img{opacity:1;transform:scale(1.04);}
.hpanel__b{padding:26px 28px 30px;}
.hpanel__no{font-family:var(--mono);font-size:12px;color:var(--red);letter-spacing:.14em;}
.hpanel__b h3{font-family:var(--en);font-weight:600;font-size:24px;letter-spacing:.03em;text-transform:uppercase;margin:8px 0 4px;}
.hpanel__b h3 .jp{display:block;font-family:var(--jp);font-size:15px;text-transform:none;margin-top:4px;color:var(--ink2);}
.hpanel__b p{color:var(--ink2);font-size:13.5px;line-height:1.8;margin-top:12px;}
.hscroll__progress{position:absolute;bottom:clamp(34px,7vh,70px);left:clamp(18px,4vw,48px);right:clamp(18px,4vw,48px);height:2px;background:var(--line2);z-index:3;}
.hscroll__progress i{display:block;height:100%;width:0;background:var(--red);}
.hscroll__hint{position:absolute;bottom:clamp(44px,8vh,84px);right:clamp(18px,4vw,48px);font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--mute);z-index:3;}

/* numbers */
.nums{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line2);border-block:1px solid var(--line2);}
.numc{background:var(--bg);padding:clamp(34px,4vw,56px) clamp(20px,2vw,30px);text-align:center;}
.numc .n{font-family:var(--en);font-weight:700;font-size:clamp(44px,6vw,76px);line-height:1;color:var(--ink);}
.numc .n small{font-size:.34em;color:var(--red);margin-left:6px;font-weight:600;}
.numc .l{font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--ink2);margin-top:14px;text-transform:uppercase;}
.numc .l span{display:block;font-family:var(--jp);font-size:12.5px;letter-spacing:.02em;color:var(--mute);margin-top:5px;text-transform:none;}

/* feature split (about / quality) */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px);align-items:center;}
.split__art{position:relative;aspect-ratio:4/3.2;overflow:hidden;}
.split__art img{width:100%;height:100%;object-fit:cover;}
.split__art .frame{position:absolute;inset:14px;border:1px solid var(--red);pointer-events:none;}
.split__b .lbl{display:inline-block;margin-bottom:16px;}
.split__b h2{font-family:var(--en);font-weight:700;font-size:clamp(28px,4vw,52px);text-transform:uppercase;line-height:1;margin-bottom:6px;}
.split__b h2 .jp{display:block;font-family:var(--jp);font-size:clamp(17px,2vw,22px);text-transform:none;margin-top:12px;color:var(--ink2);}
.split__b p{color:var(--ink2);font-size:14.5px;margin:16px 0;}
.split__list{list-style:none;display:grid;gap:12px;margin-top:20px;}
.split__list li{display:flex;gap:14px;align-items:flex-start;font-size:14px;color:var(--ink);}
.split__list li::before{content:"";flex:0 0 auto;width:8px;height:8px;background:var(--red);margin-top:8px;}

/* gallery */
.gal{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:170px;gap:10px;}
.gal figure{overflow:hidden;position:relative;}
.gal img{width:100%;height:100%;object-fit:cover;transition:.7s var(--ease);filter:grayscale(.2);}
.gal figure:hover img{transform:scale(1.06);filter:grayscale(0);}
.gal .a{grid-column:span 2;grid-row:span 2;} .gal .b{grid-column:span 2;} .gal .c{grid-column:span 1;} .gal .d{grid-column:span 1;} .gal .e{grid-column:span 2;}

/* process */
.proc{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line2);border:1px solid var(--line2);counter-reset:p;}
.procc{background:var(--bg);padding:clamp(28px,3vw,40px);position:relative;}
.procc::before{counter-increment:p;content:counter(p,decimal-leading-zero);font-family:var(--en);font-weight:700;font-size:46px;color:var(--panel2);line-height:1;}
.procc h3{font-family:var(--jp);font-weight:700;font-size:16px;margin:10px 0 8px;}
.procc p{color:var(--ink2);font-size:13px;line-height:1.8;}

/* cta */
.cta{position:relative;padding:clamp(70px,10vw,140px) 0;overflow:hidden;background:var(--bg2);}
.cta__bg{position:absolute;inset:0;z-index:0;opacity:.16;}
.cta__bg img{width:100%;height:100%;object-fit:cover;}
.cta::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,var(--bg2),transparent);z-index:1;}
.cta__in{position:relative;z-index:2;text-align:center;}
.cta__in h2{font-family:var(--en);font-weight:700;font-size:clamp(32px,6vw,80px);text-transform:uppercase;line-height:1;margin-bottom:16px;}
.cta__in h2 em{color:var(--red);font-style:normal;}
.cta__in p{color:var(--ink2);font-size:15px;margin-bottom:30px;max-width:36em;margin-inline:auto;}
.cta__btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
.cta__tel{font-family:var(--en);font-weight:600;font-size:30px;letter-spacing:.04em;margin-top:24px;display:block;}

/* page header */
.phead{padding:clamp(140px,18vh,210px) 0 clamp(40px,5vw,64px);background:var(--bg2);border-bottom:1px solid var(--line2);position:relative;overflow:hidden;}
.phead__grid{position:absolute;inset:0;background-image:linear-gradient(var(--line2) 1px,transparent 1px),linear-gradient(90deg,var(--line2) 1px,transparent 1px);background-size:54px 54px;mask-image:radial-gradient(circle at 80% 50%,#000,transparent 70%);}
.phead .wrap{position:relative;z-index:2;}
.phead .lbl{display:inline-block;margin-bottom:14px;}
.phead h1{font-family:var(--en);font-weight:700;font-size:clamp(38px,7vw,90px);text-transform:uppercase;line-height:.95;}
.phead h1 .jp{display:block;font-family:var(--jp);font-size:clamp(16px,2vw,22px);text-transform:none;margin-top:14px;color:var(--ink2);}
.crumb{font-family:var(--mono);font-size:11px;color:var(--mute);margin-top:18px;letter-spacing:.08em;}
.crumb a:hover{color:var(--red);}

/* tables (specs) */
.spec{width:100%;border-collapse:collapse;font-size:14px;border:1px solid var(--line2);}
.spec th,.spec td{border:1px solid var(--line2);padding:14px 18px;text-align:left;vertical-align:top;}
.spec th{background:var(--panel);font-family:var(--jp);font-weight:700;white-space:nowrap;width:30%;color:var(--ink);}
.spec td{color:var(--ink2);}
.spec .mono{font-family:var(--mono);color:var(--ink);}

/* form */
.form{max-width:780px;background:var(--panel);border:1px solid var(--line2);padding:clamp(26px,4vw,46px);}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{margin-bottom:18px;}
.field label{display:block;font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--ink2);margin-bottom:8px;text-transform:uppercase;}
.field label .req{color:var(--red);margin-left:6px;}
.field input,.field select,.field textarea{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:0;padding:13px 14px;font-size:14.5px;color:var(--ink);transition:.3s;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--red);}
.field textarea{resize:vertical;min-height:120px;}
.form .submit{width:100%;justify-content:center;margin-top:6px;}
.form__priv{font-family:var(--mono);font-size:11px;color:var(--mute);text-align:center;margin-top:14px;}
.form__ok{display:none;text-align:center;padding:30px 10px;}
.form__ok.show{display:block;}
.form__ok .ic{font-family:var(--en);font-size:40px;color:var(--red);}

/* footer */
.ft{background:#070809;border-top:1px solid var(--line2);padding:64px 0 40px;color:var(--ink2);}
.ft__top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:30px;margin-bottom:42px;}
.ft .brand{margin-bottom:16px;}
.ft p{font-size:13px;line-height:1.9;max-width:24em;}
.ft h4{font-family:var(--en);font-weight:600;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink);margin-bottom:16px;}
.ft ul{list-style:none;font-size:13.5px;display:grid;gap:10px;}
.ft ul a:hover{color:var(--red);}
.ft__btm{border-top:1px solid var(--line2);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-family:var(--mono);font-size:11px;color:var(--mute);letter-spacing:.06em;}

.demo-flag{position:fixed;right:14px;bottom:14px;z-index:100;background:var(--red);color:#fff;font-family:var(--mono);font-size:11px;padding:8px 14px;box-shadow:0 12px 28px -12px rgba(0,0,0,.7);}
.demo-flag a{color:#fff;text-decoration:underline;}

.js [data-rv]{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease),transform .9s var(--ease);}
.js [data-rv].in{opacity:1;transform:none;}
.js [data-rv].d1{transition-delay:.1s;}.js [data-rv].d2{transition-delay:.2s;}.js [data-rv].d3{transition-delay:.3s;}

@media(max-width:1080px){.str,.nums{grid-template-columns:repeat(2,1fr);} .proc{grid-template-columns:repeat(2,1fr);}}
@media(max-width:900px){
  .nav,.hd__cta{display:none;} .burger{display:flex;}
  .hero__readout{display:none;}
  .split{grid-template-columns:1fr;} .split__art{order:-1;aspect-ratio:4/3;}
  .ft__top{grid-template-columns:1fr 1fr;gap:26px;}
  .gal{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px;} .gal .a,.gal .b,.gal .c,.gal .d,.gal .e{grid-column:span 1;grid-row:span 1;}
  /* disable horizontal pin on mobile -> vertical stack */
  .hscroll{height:auto!important;} .hscroll__sticky{position:static;height:auto;padding:90px 0 60px;} .hscroll__track{flex-direction:column;transform:none!important;} .hpanel{flex:none;width:100%;} .hscroll__progress,.hscroll__hint{display:none;}
}
@media(max-width:560px){.str,.nums,.proc{grid-template-columns:1fr;} .form .row{grid-template-columns:1fr;} .ft__top{grid-template-columns:1fr;}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;} .js [data-rv]{opacity:1;transform:none;transition:none;} .hscroll__track{transform:none!important;}}