:root{
  --bg:#0b0b0c;--bg2:#111113;--panel:#161619;--line:#26262b;--line2:#3a3a41;
  --mute:#93939a;--text:#ecebe8;--white:#f7f6f3;--red:#e0201b;--red-d:#8f1210;
  --f-jp:"Zen Kaku Gothic New",system-ui,sans-serif;
  --f-disp:"Dela Gothic One","Zen Kaku Gothic New",sans-serif;
  --f-lat:"Anton","Impact",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,monospace;
  --max:1280px;--pad:clamp(18px,4vw,48px);--hdr:64px;
}
*{box-sizing:border-box}
html{background:var(--bg);scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:400 16px/1.8 var(--f-jp);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{display:block;max-width:100%}
a{color:var(--text);text-decoration:none}
a:hover{color:var(--red)}
button{font:inherit;color:inherit}
::selection{background:var(--red);color:var(--bg)}
:focus-visible{outline:2px solid var(--red);outline-offset:3px}
h1,h2,h3,p{margin:0}
ul{margin:0;padding:0;list-style:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.mono{font-family:var(--f-mono)}
.r{color:var(--red)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.dg-fig{margin:0;display:flex;flex-direction:column;gap:6px;min-width:0}
.dg-cap{font:500 10px/1.4 var(--f-mono);color:var(--mute);letter-spacing:.08em}

/* skip */
.skip{position:fixed;left:12px;top:-60px;z-index:100;background:var(--red);color:var(--bg);border:0;padding:10px 16px;font-weight:700;cursor:pointer}
.skip:focus{top:12px}

/* language bar (scrolls with page; always first control on mobile) */
.util{border-bottom:1px solid var(--line);background:var(--bg)}
.util-in{max-width:var(--max);margin:0 auto;padding:6px var(--pad);display:flex;justify-content:flex-end}
.lang{display:flex;flex-wrap:wrap;align-items:center;gap:4px 2px}
.lang-k{font:500 11px var(--f-mono);letter-spacing:.12em;color:var(--mute);margin-right:10px}
.lang button{background:none;border:1px solid transparent;color:var(--mute);font:500 13px/1 var(--f-jp);padding:8px 10px;min-height:34px;cursor:pointer}
.lang button[lang="zh-CN"]{font-family:"Noto Sans SC",var(--f-jp)}
.lang button:hover{color:var(--text);border-color:var(--line2)}
.lang button[aria-pressed="true"]{color:var(--white);border-color:var(--red);box-shadow:inset 0 -2px 0 var(--red)}
.lang button+button::before{content:""}
@media (max-width:480px){.util-in{justify-content:space-between}.lang{width:100%;justify-content:space-between}.lang button{padding:8px 8px;min-height:40px}}

/* per-language type */
html[lang="zh-CN"]{--f-jp:"Noto Sans SC","Zen Kaku Gothic New",system-ui,sans-serif;--f-disp:"Noto Sans SC",sans-serif}
html[lang="zh-CN"] :is(.h1,.h2,.hero h1,.sc-info h3,.chan h2,.page-head .h1){font-weight:900}
.hero-grid>div:first-child{container-type:inline-size;min-width:0}
html[lang="en"] .hero h1{font-size:clamp(28px,8.4cqi,84px);overflow-wrap:normal;word-break:normal;hyphens:none}
html[lang="en"] .hero h1 .ln{white-space:nowrap}
html[lang="en"] :is(.h1,.h2,.chan h2,.tc-name,.trow h2,.sc-info h3){hyphens:auto}
:is(.h1,.h2,.hero h1,.chan h2,.tc-name,.trow h2,.sc-info h3,.rc-card h3,.wcard h3,.pn b,.kv dd,.chip,.btn,.crumbs){overflow-wrap:anywhere}
.btn{flex-wrap:wrap}
[lang="ja"]{font-family:inherit}

/* header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(11,11,12,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hdr-in{max-width:var(--max);margin:0 auto;padding:0 var(--pad);height:var(--hdr);display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:14px;height:14px;background:var(--red);box-shadow:4px 4px 0 var(--white)}
.brand-txt{display:flex;flex-direction:column;line-height:1.1}
.brand-txt b{font:600 14px/1 var(--f-mono);letter-spacing:.18em}
.brand-txt small{font-size:11px;color:var(--mute);letter-spacing:.1em;margin-top:4px}
.gnav{display:flex;align-items:center;gap:20px;margin-left:auto}
.gnav ul{display:flex;gap:4px}
.gnav ul a{display:flex;align-items:baseline;gap:6px;padding:8px 12px;font-size:14px;font-weight:500;position:relative;white-space:nowrap}
.gnav ul a i{font:500 10px var(--f-mono);font-style:normal;color:var(--mute)}
.gnav ul a[aria-current="page"]{color:var(--white)}
.gnav ul a[aria-current="page"]::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--red)}
.gnav ul a[aria-current="page"] i{color:var(--red)}
.nav-ch{display:flex;gap:6px;align-items:center;white-space:nowrap;border:1px solid var(--red);padding:7px 14px;font-size:13px;font-weight:700;color:var(--white)}
.nav-ch:hover{background:var(--red);color:var(--bg)}
.motion-btn{display:flex;gap:8px;align-items:center;background:none;border:1px solid var(--line2);padding:7px 10px;cursor:pointer;font:500 11px var(--f-mono)}
.motion-btn .mb-k{color:var(--mute);letter-spacing:.1em}
.motion-btn[aria-pressed="true"] .mb-v{color:var(--red)}
.motion-btn:hover{border-color:var(--text)}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line2);height:40px;padding:0 12px;gap:10px;align-items:center;cursor:pointer;font:600 11px var(--f-mono);letter-spacing:.14em}
.menu-ico{width:16px;height:10px;border-top:2px solid var(--text);border-bottom:2px solid var(--text);position:relative}
.menu-btn[aria-expanded="true"] .menu-ico{border-color:var(--red)}
@media (max-width:1260px){
  .menu-btn{display:flex}
  .gnav{position:absolute;left:0;right:0;top:100%;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;padding:8px var(--pad) 20px;display:none}
  .gnav.open{display:flex}
  .gnav ul{flex-direction:column}
  .gnav ul a{padding:14px 0;font-size:17px;border-bottom:1px solid var(--line)}
  .gnav ul a[aria-current="page"]::after{left:auto;right:0;top:50%;bottom:auto;width:10px;height:10px;margin-top:-5px}
  .nav-ch{margin-top:16px;justify-content:center;padding:14px}
  .motion-btn{margin-top:10px;justify-content:center;padding:12px}
}

/* generic */
.sec{padding:clamp(64px,9vw,120px) 0;border-top:1px solid var(--line)}
.sec-h{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:clamp(28px,4vw,48px)}
.kicker{font:500 12px/1 var(--f-mono);letter-spacing:.2em;color:var(--mute);display:flex;gap:10px;align-items:center;margin-bottom:14px}
.kicker::before{content:"";width:18px;height:2px;background:var(--red)}
.h2{font:400 clamp(30px,4.4vw,52px)/1.15 var(--f-disp);letter-spacing:.02em}
.more{font:500 13px var(--f-mono);letter-spacing:.08em;display:inline-flex;gap:8px;align-items:center;border-bottom:1px solid var(--line2);padding-bottom:4px}
.more:hover{border-color:var(--red)}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;font-weight:700;font-size:15px;border:1px solid var(--white);background:var(--white);color:var(--bg);transition:transform .15s}
.btn:hover{background:var(--red);border-color:var(--red);color:var(--bg)}
.btn.ghost{background:transparent;color:var(--white);border-color:var(--line2)}
.btn.ghost:hover{border-color:var(--red);color:var(--red);background:transparent}
.chip{display:inline-block;font:500 11px/1 var(--f-mono);padding:6px 8px;border:1px solid var(--line2);color:var(--mute);letter-spacing:.04em}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.page-head{padding:clamp(48px,7vw,96px) 0 clamp(28px,4vw,48px);position:relative;overflow:hidden}
.page-head .h1{font:400 clamp(40px,7vw,88px)/1.05 var(--f-disp)}
.page-head p.lead{max-width:640px;color:var(--mute);margin-top:18px}
.crumbs{font:500 12px var(--f-mono);color:var(--mute);display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.crumbs a{color:var(--mute)}.crumbs a:hover{color:var(--red)}

/* scanlines (hero & works only) */
.scan{position:absolute;inset:0;pointer-events:none;z-index:2;background:repeating-linear-gradient(0deg,rgba(255,255,255,.035) 0 1px,transparent 1px 3px)}
.scan::after{content:"";position:absolute;left:0;right:0;height:120px;background:linear-gradient(180deg,transparent,rgba(224,32,27,.06),transparent);animation:scanMove 9s linear infinite}
@keyframes scanMove{0%{top:-120px}100%{top:100%}}

/* glitch text */
.gl{position:relative;display:inline-block}
.gl::before,.gl::after{content:attr(data-text);position:absolute;inset:0;pointer-events:none}
.gl::before{color:var(--red);animation:glTop 6.5s steps(1,end) infinite;clip-path:inset(0 0 100% 0)}
.gl::after{color:var(--white);text-shadow:-2px 0 var(--red);animation:glBot 6.5s steps(1,end) infinite;animation-delay:.15s;clip-path:inset(100% 0 0 0)}
.gl.d2::before,.gl.d2::after{animation-delay:1.1s}
@keyframes glTop{0%,86%,100%{clip-path:inset(0 0 100% 0);transform:none}87%{clip-path:inset(8% 0 70% 0);transform:translate(-7px,0)}89%{clip-path:inset(40% 0 42% 0);transform:translate(6px,0)}91%{clip-path:inset(70% 0 12% 0);transform:translate(-4px,0)}93%{clip-path:inset(0 0 100% 0)}}
@keyframes glBot{0%,87%,100%{clip-path:inset(100% 0 0 0);transform:none}88%{clip-path:inset(58% 0 22% 0);transform:translate(8px,0)}90%{clip-path:inset(14% 0 66% 0);transform:translate(-5px,0)}92%{clip-path:inset(46% 0 32% 0);transform:translate(3px,0)}94%{clip-path:inset(100% 0 0 0)}}

/* HERO */
.hero{position:relative;overflow:hidden;min-height:calc(100svh - var(--hdr));display:flex;align-items:center;border-bottom:1px solid var(--line)}
.hero-bgtxt{position:absolute;right:-2vw;bottom:-4vw;font:400 clamp(120px,24vw,360px)/.8 var(--f-lat);color:transparent;-webkit-text-stroke:1px #222226;letter-spacing:-.01em;user-select:none;pointer-events:none;white-space:nowrap}
.hero-grid{position:relative;z-index:3;width:100%;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:clamp(32px,5vw,80px);align-items:center;padding-top:48px;padding-bottom:64px}
.boot{font:500 12px/1.6 var(--f-mono);color:var(--mute);letter-spacing:.12em;margin-bottom:28px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.boot .dot{width:8px;height:8px;background:var(--red);display:inline-block}
.boot .caret{display:inline-block;width:8px;height:14px;background:var(--text);vertical-align:-2px;animation:caret 1.1s steps(1) infinite}
@keyframes caret{50%{opacity:0}}
.hero h1{font:400 clamp(48px,8.6vw,128px)/1.08 var(--f-disp);letter-spacing:.01em;color:var(--white)}
.hero h1 .ln{display:block}
.hero h1 .ln2{padding-left:.6em}
.hero h1 .stop{color:var(--red)}
.hero-id{margin-top:28px;display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 16px}
.hero-id b{font:400 clamp(22px,2.4vw,30px)/1 var(--f-lat);letter-spacing:.08em}
.hero-id span{font-size:15px;color:var(--mute)}
.hero-lead{max-width:560px;margin-top:20px;color:#c9c8c4;text-wrap:pretty}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.hero-ch{margin-top:28px;display:inline-flex;align-items:center;gap:14px;padding:10px 14px 10px 10px;border:1px solid var(--line2);font-size:14px}
.hero-ch:hover{border-color:var(--red);color:var(--text)}
.hero-ch .yt{width:28px;height:20px;background:var(--red);position:relative;flex-shrink:0}
.hero-ch .yt::after{content:"";position:absolute;left:11px;top:6px;border-left:8px solid var(--white);border-top:4px solid transparent;border-bottom:4px solid transparent}
.hero-ch small{display:block;font:500 11px var(--f-mono);color:var(--mute);letter-spacing:.06em}

/* avatar card */
.ava{position:relative;justify-self:center;width:min(100%,380px)}
.ava-frame{position:relative;aspect-ratio:204/178;background:var(--white);overflow:hidden}
.ava-frame::before{content:"";position:absolute;right:0;bottom:0;width:46%;height:58%;background:var(--red)}
.ava-frame::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(0,0,0,.06) 0 1px,transparent 1px 3px);pointer-events:none}
.ava-frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;image-rendering:auto}
.ava-frame .sl{z-index:2}
.ava-frame .sl1{animation:avaA 7s steps(1,end) infinite;clip-path:inset(0 0 100% 0)}
.ava-frame .sl2{animation:avaB 7s steps(1,end) infinite;clip-path:inset(100% 0 0 0);filter:grayscale(1) contrast(1.8) brightness(.6) sepia(1) saturate(8) hue-rotate(-40deg);mix-blend-mode:multiply}
@keyframes avaA{0%,90%,100%{clip-path:inset(0 0 100% 0);transform:none}91%{clip-path:inset(22% 0 62% 0);transform:translateX(-10px)}93%{clip-path:inset(55% 0 30% 0);transform:translateX(12px)}95%{clip-path:inset(0 0 100% 0)}}
@keyframes avaB{0%,91%,100%{clip-path:inset(100% 0 0 0);transform:none}92%{clip-path:inset(30% 0 52% 0);transform:translateX(9px)}94%{clip-path:inset(68% 0 14% 0);transform:translateX(-7px)}96%{clip-path:inset(100% 0 0 0)}}
.ava-tick{position:absolute;width:18px;height:18px;border:2px solid var(--red);z-index:3}
.ava-tick.t1{left:-9px;top:-9px;border-right:0;border-bottom:0}
.ava-tick.t2{right:-9px;bottom:-9px;border-left:0;border-top:0;border-color:var(--white)}
.ava-meta{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;margin-top:18px;font:500 12px/1.6 var(--f-mono);letter-spacing:.04em}
.ava-meta dt{color:var(--mute)}
.ava-meta dd{margin:0;color:var(--text)}
.ava-lbl{position:absolute;left:10px;top:10px;z-index:3;font:600 10px var(--f-mono);letter-spacing:.14em;color:var(--bg);background:var(--white);padding:3px 6px;border:1px solid var(--bg)}
.hero-strip{position:absolute;left:0;right:0;bottom:0;z-index:3;border-top:1px solid var(--line);background:rgba(11,11,12,.7)}
.hero-strip ul{display:flex;flex-wrap:wrap;gap:0 28px;padding:12px 0;font:500 11px var(--f-mono);letter-spacing:.14em;color:var(--mute)}
.hero-strip li::before{content:"/ ";color:var(--red)}
@media (max-width:860px){
  .hero{min-height:auto}
  .hero-grid{grid-template-columns:1fr;padding-top:40px;padding-bottom:96px}
  .ava{order:-1;width:min(70%,280px);justify-self:start}
  .hero h1 .ln2{padding-left:0}
}

/* thumbnails w/ glitch layers */
.thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#000}
.thumb .t{position:absolute;inset:0;background:var(--img) center/cover no-repeat}
.thumb .t-r,.thumb .t-w{opacity:0;mix-blend-mode:screen}
.thumb .t-r{filter:grayscale(1) brightness(.9) sepia(1) saturate(9) hue-rotate(-42deg)}
.thumb .t-w{filter:grayscale(1) contrast(2)}
.thumb .t-scan{position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(0,0,0,.22) 0 1px,transparent 1px 3px);pointer-events:none}

/* featured tech cards */
.tech-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.tcard{background:var(--bg);padding:clamp(22px,2.6vw,32px);display:flex;flex-direction:column;gap:18px;min-height:100%;position:relative;transition:background .2s}
.tcard:hover{background:var(--bg2);color:var(--text)}
.tcard:hover .tc-name{color:var(--red)}
.tc-top{display:flex;justify-content:space-between;font:500 11px var(--f-mono);color:var(--mute);letter-spacing:.12em}
.tc-name{font:400 clamp(22px,2.2vw,28px)/1.3 var(--f-disp);letter-spacing:.02em;color:var(--white);transition:color .2s}
.tcard p{color:#bdbcb8;font-size:15px;text-wrap:pretty}
.tc-go{margin-top:auto;font:500 12px var(--f-mono);letter-spacing:.08em}
.tcard .dg{margin:4px 0}

/* CSS diagrams */
.dg{border:1px solid var(--line);background:var(--bg2);padding:14px;font:500 10px/1 var(--f-mono);color:var(--mute);letter-spacing:.06em}
.dg-tracks{display:grid;gap:6px}
.dg-row{display:grid;grid-template-columns:54px 1fr;align-items:center;gap:8px}
.dg-lane{position:relative;height:14px;background:repeating-linear-gradient(90deg,var(--line) 0 1px,transparent 1px 12.5%)}
.dg-lane i{position:absolute;top:2px;bottom:2px;background:var(--line2)}
.dg-lane i.on{background:var(--red)}
.dg-lane i.w{background:var(--text)}
.dg-focus{display:flex;align-items:center;gap:10px;height:62px}
.dg-cam{width:26px;height:18px;border:2px solid var(--text);position:relative;flex-shrink:0}
.dg-cam::after{content:"";position:absolute;right:-9px;top:3px;border-left:7px solid var(--text);border-top:4px solid transparent;border-bottom:4px solid transparent}
.dg-dist{flex:1;height:1px;background:var(--line2);position:relative;margin-left:8px}
.dg-dist::before,.dg-dist::after{content:"";position:absolute;top:-4px;width:1px;height:9px;background:var(--line2)}
.dg-dist::before{left:0}.dg-dist::after{right:0}
.dg-dist span{position:absolute;left:50%;top:-16px;transform:translateX(-50%);color:var(--text)}
.dg-tgt{width:22px;height:22px;border:2px solid var(--red);border-radius:50%;position:relative;flex-shrink:0}
.dg-tgt::after{content:"";position:absolute;inset:5px;background:var(--red);border-radius:50%}
.dg-blur{width:16px;height:16px;border-radius:50%;background:var(--line2);filter:blur(2px);flex-shrink:0}
.dg-folders{display:flex;align-items:center;gap:10px;height:62px}
.dg-fd{border:1px solid var(--line2);padding:8px 10px;color:var(--text);display:flex;flex-direction:column;gap:6px}
.dg-fd b{font-weight:600;color:var(--mute)}
.dg-arrow{flex:1;height:1px;background:var(--red);position:relative;min-width:24px}
.dg-arrow::after{content:"";position:absolute;right:-1px;top:-4px;border-left:7px solid var(--red);border-top:4px solid transparent;border-bottom:4px solid transparent}
.dg-arrow span{position:absolute;left:50%;top:-16px;transform:translateX(-50%);white-space:nowrap;color:var(--red)}

/* SHOWCASE (works switcher) */
.showcase{position:relative;overflow:hidden}
.sc{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:clamp(20px,3vw,40px);position:relative;z-index:3}
.sc-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.sc-tab{display:grid;grid-template-columns:34px 1fr;gap:8px;align-items:baseline;text-align:left;background:none;border:0;border-bottom:1px solid var(--line);padding:16px 8px 16px 0;cursor:pointer;color:var(--mute);transition:color .15s,padding .15s}
.sc-tab i{font:500 11px var(--f-mono);font-style:normal}
.sc-tab b{font-weight:700;font-size:17px;line-height:1.3}
.sc-tab small{grid-column:2;font:500 11px var(--f-mono);letter-spacing:.06em}
.sc-tab:hover{color:var(--text)}
.sc-tab[aria-selected="true"]{color:var(--white);padding-left:10px;box-shadow:inset 3px 0 0 var(--red)}
.sc-tab[aria-selected="true"] i{color:var(--red)}
.sc-panel{display:flex;flex-direction:column;gap:20px;min-width:0}
.sc-panel .thumb{border:1px solid var(--line)}
.sc-hud{position:absolute;left:12px;top:12px;z-index:4;font:600 10px var(--f-mono);letter-spacing:.14em;background:var(--bg);color:var(--text);padding:4px 7px;border:1px solid var(--line2)}
.sc-hud b{color:var(--red)}
.sc-info{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px 24px;align-items:end}
.sc-info .cr{font:500 12px var(--f-mono);color:var(--mute);letter-spacing:.1em}
.sc-info h3{font:400 clamp(26px,3.2vw,40px)/1.15 var(--f-disp);margin-top:6px}
.sc-info .chips{grid-column:1/-1}
.sc-panel.swap .t-base{animation:swBase .52s steps(7,end)}
.sc-panel.swap .t-r{animation:swR .52s steps(7,end)}
.sc-panel.swap .t-w{animation:swW .52s steps(7,end)}
.sc-panel.swap .sc-info{animation:infoIn .5s cubic-bezier(.2,.7,.2,1)}
@keyframes swBase{0%{transform:translateX(-16px);filter:grayscale(1) contrast(1.6)}35%{transform:translateX(7px)}70%{transform:translateX(-2px);filter:none}100%{transform:none}}
@keyframes swR{0%{opacity:.85;clip-path:inset(8% 0 60% 0);transform:translateX(20px)}30%{clip-path:inset(58% 0 18% 0);transform:translateX(-14px)}60%{clip-path:inset(30% 0 46% 0);transform:translateX(8px)}100%{opacity:0;transform:none}}
@keyframes swW{0%{opacity:.5;clip-path:inset(70% 0 8% 0);transform:translateX(-18px)}40%{clip-path:inset(18% 0 70% 0);transform:translateX(10px)}100%{opacity:0;transform:none}}
@keyframes infoIn{0%{opacity:0;transform:translateY(10px);clip-path:inset(0 100% 0 0)}100%{opacity:1;transform:none;clip-path:inset(0 0 0 0)}}
@media (max-width:860px){
  .sc{grid-template-columns:1fr}
  .sc-list{flex-direction:row;overflow-x:auto;border-top:0;border-bottom:1px solid var(--line);order:2;scrollbar-width:thin}
  .sc-tab{flex:0 0 auto;border-bottom:0;padding:12px 16px 12px 0;grid-template-columns:auto auto}
  .sc-tab small{display:none}
  .sc-tab[aria-selected="true"]{padding-left:0;box-shadow:inset 0 -3px 0 var(--red)}
  .sc-info{grid-template-columns:1fr}
}

/* work cards grid */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.fbtn{background:none;border:1px solid var(--line2);color:var(--mute);font:500 13px var(--f-jp);padding:8px 14px;cursor:pointer;display:inline-flex;gap:8px;align-items:center}
.fbtn small{font:500 10px var(--f-mono);color:var(--mute)}
.fbtn:hover{color:var(--text);border-color:var(--text)}
.fbtn[aria-pressed="true"]{background:var(--white);color:var(--bg);border-color:var(--white)}
.fbtn[aria-pressed="true"] small{color:var(--red)}
.fcount{font:500 12px var(--f-mono);color:var(--mute);letter-spacing:.08em;margin-bottom:20px}
.fcount b{color:var(--text)}
.wgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:clamp(20px,2.4vw,32px)}
.wcard{display:flex;flex-direction:column;gap:14px}
.wcard .thumb{border:1px solid var(--line)}
.wcard:hover{color:var(--text)}
.wcard:hover .t-base,.wcard:focus-visible .t-base{animation:hvBase .4s steps(5,end)}
.wcard:hover .t-r,.wcard:focus-visible .t-r{animation:swR .4s steps(5,end)}
.wcard:hover h3{color:var(--red)}
@keyframes hvBase{0%{transform:translateX(-8px)}50%{transform:translateX(4px)}100%{transform:none}}
.wcard .cr{font:500 11px var(--f-mono);color:var(--mute);letter-spacing:.1em;display:flex;justify-content:space-between}
.wcard h3{font-size:19px;font-weight:700;line-height:1.35;margin-top:-6px;transition:color .15s}
.wcard p{font-size:13px;color:var(--mute);line-height:1.7}
.wgrid.enter .wcard{animation:cardIn .4s cubic-bezier(.2,.7,.2,1) both}
@keyframes cardIn{0%{opacity:0;transform:translateY(8px)}100%{opacity:1;transform:none}}

/* video */
.video{position:relative;display:block;width:100%;aspect-ratio:16/9;border:1px solid var(--line);background:#000;padding:0;cursor:pointer;overflow:hidden}
.video img{width:100%;height:100%;object-fit:cover;opacity:.82;transition:opacity .2s}
.video:hover img{opacity:1}
.video .play{position:absolute;left:50%;top:50%;width:84px;height:84px;margin:-42px 0 0 -42px;background:var(--red);display:grid;place-items:center}
.video .play::after{content:"";margin-left:6px;border-left:24px solid var(--white);border-top:14px solid transparent;border-bottom:14px solid transparent}
.video .vnote{position:absolute;left:0;right:0;bottom:0;padding:10px 14px;font:500 11px var(--f-mono);letter-spacing:.06em;color:var(--text);background:linear-gradient(0deg,rgba(0,0,0,.85),transparent);text-align:left}
.video:hover .play{background:var(--white)}
.video:hover .play::after{border-left-color:var(--red)}
.vframe{width:100%;aspect-ratio:16/9;border:1px solid var(--line);display:block;background:#000}

/* detail */
.detail{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,340px);gap:clamp(28px,4vw,64px);align-items:start;padding-bottom:clamp(64px,8vw,112px)}
.detail .side{position:sticky;top:calc(var(--hdr) + 24px);display:flex;flex-direction:column;gap:28px}
.dl-h{font:500 11px var(--f-mono);letter-spacing:.18em;color:var(--mute);margin-bottom:12px}
.roles{counter-reset:r;border-top:1px solid var(--line)}
.roles li{counter-increment:r;display:grid;grid-template-columns:34px 1fr;padding:12px 0;border-bottom:1px solid var(--line);font-weight:500}
.roles li::before{content:counter(r,decimal-leading-zero);font:500 11px/2.2 var(--f-mono);color:var(--red)}
.tagl{display:flex;flex-wrap:wrap;gap:6px}
.tagl a{font:500 12px var(--f-mono);border:1px solid var(--line2);padding:6px 9px;color:var(--mute)}
.tagl a:hover{border-color:var(--red);color:var(--red)}
.pn{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);margin-bottom:clamp(64px,8vw,112px)}
.pn a{background:var(--bg);padding:20px;display:flex;flex-direction:column;gap:4px}
.pn a:hover{background:var(--bg2);color:var(--text)}
.pn a small{font:500 11px var(--f-mono);color:var(--mute);letter-spacing:.1em}
.pn a b{font-weight:700;font-size:17px}
.pn a.nx{text-align:right}
.pn a:hover b{color:var(--red)}
@media (max-width:860px){.detail{grid-template-columns:1fr}.detail .side{position:static}}

/* tech detail */
.flow{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.flow li{background:var(--bg);padding:24px;display:flex;flex-direction:column;gap:10px;position:relative}
.flow li i{font:400 44px/1 var(--f-lat);font-style:normal;color:var(--line2)}
.flow li:first-child i{color:var(--red)}
.flow li b{font-size:18px}
.flow li p{color:#bdbcb8;font-size:15px}
.feat{border-top:1px solid var(--line)}
.feat li{padding:14px 0 14px 24px;border-bottom:1px solid var(--line);position:relative}
.feat li::before{content:"";position:absolute;left:0;top:24px;width:10px;height:2px;background:var(--red)}
.tech-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:clamp(28px,4vw,64px);align-items:end}
.tech-hero .dg{padding:22px;font-size:11px}
.tech-hero .dg-lane{height:20px}
.tech-hero .dg-focus,.tech-hero .dg-folders{height:90px}
@media (max-width:860px){.tech-hero{grid-template-columns:1fr}}
.trow{display:grid;grid-template-columns:80px minmax(0,1fr);gap:clamp(20px,3vw,48px);padding:clamp(28px,4vw,44px) 0;border-bottom:1px solid var(--line);align-items:center}
.trow:first-child{border-top:1px solid var(--line)}
.trow .idx{font:400 48px/1 var(--f-lat);color:var(--line2)}
.trow:hover .idx{color:var(--red)}
.trow:hover{color:var(--text)}
.trow h2{font:400 clamp(26px,3vw,40px)/1.25 var(--f-disp);letter-spacing:.02em}
.trow .kind{font:500 12px var(--f-mono);color:var(--mute);letter-spacing:.1em;margin-top:10px}
.trow p{color:#bdbcb8;margin-top:12px}
@media (max-width:860px){.trow{grid-template-columns:1fr}.trow .idx{font-size:32px}}

/* recent systems */
.rc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.rc-card{background:var(--bg);padding:clamp(22px,2.6vw,32px);display:flex;flex-direction:column;gap:16px;min-width:0;transition:background .2s}
.rc-card:hover{background:var(--bg2);color:var(--text)}
.rc-card:hover h3{color:var(--red)}
.rc-card:hover .t-base,.rc-card:focus-visible .t-base{animation:hvBase .4s steps(5,end)}
.rc-card:hover .t-r,.rc-card:focus-visible .t-r{animation:swR .4s steps(5,end)}
.rc-card .thumb{border:1px solid var(--line)}
.rc-card h3{font-size:clamp(18px,1.7vw,21px);font-weight:700;line-height:1.4;transition:color .2s;text-wrap:pretty}
.rc-card p{color:#bdbcb8;font-size:14px;line-height:1.8;text-wrap:pretty}
.rc-lead{max-width:620px;color:var(--mute);margin-top:14px}
.rc-text{font-size:clamp(17px,1.6vw,20px);line-height:1.9;max-width:720px;text-wrap:pretty}
.dg-fd{min-width:0}
.rc-plate{position:relative;aspect-ratio:16/9;border:1px solid var(--line);background:var(--bg2);display:flex;align-items:flex-end;padding:16px;overflow:hidden}
.rc-plate::before{content:"";position:absolute;left:16px;top:16px;width:14px;height:14px;background:var(--red)}
.rc-plate::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(255,255,255,.03) 0 1px,transparent 1px 3px);pointer-events:none}
.rc-plate span{font:400 clamp(30px,4vw,56px)/.95 var(--f-lat);letter-spacing:.03em;color:transparent;-webkit-text-stroke:1px var(--line2);overflow-wrap:anywhere}
.rc-card:hover .rc-plate span{-webkit-text-stroke-color:var(--red)}

/* channel block */
.chan{position:relative;overflow:hidden;background:var(--red);color:var(--bg)}
.chan-in{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:end;padding:clamp(56px,8vw,104px) var(--pad);max-width:var(--max);margin:0 auto;position:relative;z-index:2}
.chan .kicker{color:var(--bg)}.chan .kicker::before{background:var(--bg)}
.chan h2{font:400 clamp(38px,6.4vw,84px)/1.05 var(--f-disp);color:var(--bg)}
.chan p{margin-top:16px;font-weight:500;max-width:520px}
.chan .hd{font:600 14px var(--f-mono);letter-spacing:.06em;margin-top:12px}
.chan .btn{background:var(--bg);color:var(--white);border-color:var(--bg)}
.chan .btn:hover{background:var(--white);color:var(--bg);border-color:var(--white)}
.chan-sub{display:flex;gap:10px;margin-top:12px;justify-content:flex-end;flex-wrap:wrap}
.chan-sub a{color:var(--bg);font:600 13px var(--f-mono);border-bottom:1px solid var(--bg);padding-bottom:2px}
.chan-sub a:hover{color:var(--white);border-color:var(--white)}
.chan-bg{position:absolute;right:-1vw;top:50%;transform:translateY(-50%);font:400 clamp(120px,20vw,300px)/.8 var(--f-lat);color:transparent;-webkit-text-stroke:1px rgba(11,11,12,.22);white-space:nowrap;pointer-events:none}
.chan :focus-visible{outline-color:var(--bg)}
@media (max-width:760px){.chan-in{grid-template-columns:1fr}.chan-sub{justify-content:flex-start}}

/* contact */
.contact{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:end}
.mail{font:500 clamp(20px,3.4vw,40px)/1.2 var(--f-mono);letter-spacing:-.01em;border-bottom:2px solid var(--line2);padding-bottom:6px;word-break:break-all}
.mail:hover{border-color:var(--red)}
@media (max-width:760px){.contact{grid-template-columns:1fr}}

/* about */
.about{display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:clamp(28px,5vw,80px);align-items:start;padding-bottom:clamp(64px,8vw,112px)}
.about .ava{width:100%;justify-self:stretch}
.about-body{display:flex;flex-direction:column;gap:48px}
.about-body .txt{font-size:clamp(17px,1.6vw,20px);line-height:1.9;max-width:680px;text-wrap:pretty}
.kv{display:grid;grid-template-columns:140px 1fr;border-top:1px solid var(--line)}
.kv dt,.kv dd{padding:16px 0;border-bottom:1px solid var(--line);margin:0}
.kv dt{font:500 12px/1.9 var(--f-mono);letter-spacing:.12em;color:var(--mute)}
.kv dd{display:flex;flex-wrap:wrap;gap:6px 18px;font-weight:500}
.kv dd a{border-bottom:1px solid var(--line2)}
.kv dd a:hover{border-color:var(--red)}
@media (max-width:760px){.about{grid-template-columns:1fr}.about .ava{width:min(70%,260px)}.kv{grid-template-columns:1fr}.kv dt{padding-bottom:0;border-bottom:0}}

/* route enter */
.route-in{animation:routeIn .45s cubic-bezier(.2,.7,.2,1)}
@keyframes routeIn{0%{opacity:0;clip-path:inset(0 0 100% 0)}100%{opacity:1;clip-path:inset(0 0 0 0)}}
.page-head .h1 .gl::before,.page-head .h1 .gl::after{animation-iteration-count:1;animation-duration:1.6s;animation-delay:.1s}

/* footer */
.ftr{border-top:1px solid var(--line);padding:40px 0}
.ftr-in{max-width:var(--max);margin:0 auto;padding:0 var(--pad);display:flex;flex-wrap:wrap;gap:20px 40px;align-items:center;justify-content:space-between}
.ftr-id{display:flex;flex-direction:column;gap:4px}
.ftr-id b{font:600 13px var(--f-mono);letter-spacing:.18em}
.ftr-id span{font-size:13px;color:var(--mute)}
.ftr-links{display:flex;flex-wrap:wrap;gap:20px;font:500 13px var(--f-mono)}
.ftr-note{width:100%;font-size:12px;color:var(--mute)}

/* reduced motion */
@media (prefers-reduced-motion:reduce){html:not([data-motion="full-forced"]) *{scroll-behavior:auto}}
html[data-motion="reduce"]{scroll-behavior:auto}
html[data-motion="reduce"] *,html[data-motion="reduce"] *::before,html[data-motion="reduce"] *::after{animation:none!important;transition:none!important}
html[data-motion="reduce"] .scan::after{display:none}
html[data-motion="reduce"] .gl::before,html[data-motion="reduce"] .gl::after{display:none}
html[data-motion="reduce"] .ava-frame .sl{display:none}