:root{
  --white:#FFFFFF;
  --ice:#EFF8FC;
  --mizu:#3FBEE8;
  --mizu-deep:#1899C7;
  --mizu-pale:#BDE9F7;
  --ink:#0B0F13;
  --ink-soft:#3A444C;
  --line:rgba(11,15,19,.12);
  /* 欧文・数字用ディスプレイ */
  --font-display:'Monomaniac One',sans-serif;
  /* 和文ディスプレイ(漢字フル対応のDela Gothic Oneを第一に) */
  --font-display-ja:'Dela Gothic One','Monomaniac One','Zen Kaku Gothic New',sans-serif;
  --font-body:'Zen Kaku Gothic New',sans-serif;
  --font-mono:'IBM Plex Mono',monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--white);color:var(--ink);overflow-x:hidden;line-height:1.7}
::selection{background:var(--mizu);color:var(--white)}
.mono{font-family:var(--font-mono)}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px;position:relative;z-index:2}
a{color:inherit}

/* ---------- custom cursor ---------- */
@media (pointer:fine){
  body.cursor-on, body.cursor-on a, body.cursor-on button{cursor:none}
  .cur-dot,.cur-ring{position:fixed;top:0;left:0;z-index:9999;pointer-events:none;border-radius:50%;will-change:transform}
  .cur-dot{width:8px;height:8px;background:var(--mizu);mix-blend-mode:multiply}
  .cur-ring{width:38px;height:38px;border:1.5px solid var(--mizu);transition:width .25s,height .25s,border-color .25s,background .25s}
  .cur-ring.hovering{width:64px;height:64px;background:rgba(63,190,232,.12);border-color:var(--mizu-deep)}
}
@media (pointer:coarse){.cur-dot,.cur-ring{display:none}}
#fx{position:fixed;inset:0;z-index:9998;pointer-events:none}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(30px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}.rv.d3{transition-delay:.24s}.rv.d4{transition-delay:.32s}

/* ---------- nav ---------- */
nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;
  padding:14px 28px;background:rgba(255,255,255,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)}
.nav-logo{font-family:var(--font-display);font-size:20px;letter-spacing:.04em;text-decoration:none;display:flex;align-items:center;gap:10px}
.nav-logo .dot{width:10px;height:10px;background:var(--mizu);border-radius:50%;animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(.5);opacity:.5}}
.nav-links{display:flex;gap:26px;list-style:none}
.nav-links a{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-decoration:none;color:var(--ink-soft);position:relative;padding:4px 0}
.nav-links a::after{content:'';position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--mizu);transition:width .3s cubic-bezier(.2,.7,.2,1)}
.nav-links a:hover::after,.nav-links a:focus-visible::after{width:100%}
.nav-links a span{color:var(--mizu)}
@media(max-width:720px){.nav-links{display:none}}

/* ---------- hero ---------- */
.hero{min-height:100svh;position:relative;display:flex;flex-direction:column;justify-content:center;
  background:linear-gradient(180deg,var(--white) 0%,var(--ice) 62%,var(--white) 100%);overflow:hidden}
.hero-video{position:absolute;top:0;left:0;right:0;height:78%;overflow:hidden;pointer-events:none;z-index:0;
  opacity:0;transition:opacity 1.2s ease}
.hero-video.playing{opacity:1}
.hero-video iframe{position:absolute;top:50%;left:50%;width:max(100vw,178vh);height:max(100vh,57vw);
  transform:translate(-50%,-50%);border:0;filter:saturate(.75) contrast(1.02) brightness(1.05)}
.hero-video::before{content:'';position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(255,255,255,.6) 0%,rgba(239,248,252,.5) 40%,rgba(255,255,255,.86) 80%,var(--white) 100%)}
.hero-video::after{content:'';position:absolute;inset:0;z-index:1;background:rgba(63,190,232,.08);mix-blend-mode:multiply}
#heroCanvas{position:absolute;inset:0;width:100%;height:100%;z-index:1}

.hero-inner{position:relative;z-index:2;padding:130px 24px 120px;max-width:1180px;margin:0 auto;width:100%}
.hero-eyebrow{font-family:var(--font-mono);font-size:12px;letter-spacing:.3em;color:var(--mizu-deep);
  margin-bottom:18px;display:flex;align-items:center;gap:14px;opacity:0;animation:fadeUp .8s ease .2s forwards}
.hero-eyebrow::before{content:'';display:block;width:44px;height:2px;background:var(--mizu)}
.hero h1{font-family:var(--font-display);font-weight:400;font-size:clamp(54px,11vw,152px);line-height:.94;
  letter-spacing:.01em;color:var(--ink);user-select:none;text-shadow:0 0 30px rgba(255,255,255,.9)}
.hero h1 .row{display:block;overflow:hidden}
.hero h1 .ch{display:inline-block;transform:translateY(110%);animation:riseIn .8s cubic-bezier(.2,.8,.2,1) forwards;
  transition:transform .3s cubic-bezier(.3,1.6,.4,1),color .3s,-webkit-text-stroke .3s}
.hero h1 .row2 .ch{color:transparent;-webkit-text-stroke:2px var(--mizu)}
@media (pointer:fine){
  .hero h1 .ch:hover{transform:translateY(-10px) rotate(-6deg) scale(1.08);color:var(--mizu);-webkit-text-stroke:0 transparent}
  .hero h1 .row2 .ch:hover{color:var(--ink);-webkit-text-stroke:2px var(--ink)}
}
@keyframes riseIn{to{transform:translateY(0)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.hero-sub{margin-top:26px;max-width:580px;font-size:15px;color:var(--ink-soft);opacity:0;animation:fadeUp .8s ease 1.1s forwards;
  background:rgba(255,255,255,.55);backdrop-filter:blur(2px);border-radius:4px;padding:6px 10px;margin-left:-10px}
.hero-sub b{color:var(--ink)}
.hero-cta{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap;opacity:0;animation:fadeUp .8s ease 1.3s forwards}
.btn{font-family:var(--font-mono);font-size:13px;letter-spacing:.1em;text-decoration:none;padding:14px 26px;border-radius:2px;
  display:inline-flex;align-items:center;gap:10px;border:none;background:none;
  transition:transform .25s cubic-bezier(.2,.7,.2,1),box-shadow .25s,background .25s,color .25s,border-color .25s}
.btn-fill{background:var(--ink);color:var(--white)}
.btn-fill:hover{background:var(--mizu);transform:translateY(-2px);box-shadow:0 10px 24px rgba(63,190,232,.35)}
.btn-line{border:1.5px solid var(--ink);color:var(--ink)}
.btn-line:hover{border-color:var(--mizu);color:var(--mizu-deep);transform:translateY(-2px)}
.hero-hint{position:absolute;bottom:64px;right:28px;z-index:3;font-family:var(--font-mono);font-size:10px;
  letter-spacing:.2em;color:var(--mizu-deep);writing-mode:vertical-rl;opacity:0;animation:fadeUp 1s ease 2s forwards}
@media(max-width:720px){.hero-hint{display:none}}

.ticker{position:absolute;bottom:0;left:0;right:0;z-index:3;border-top:1px solid var(--line);
  background:rgba(255,255,255,.7);backdrop-filter:blur(8px);overflow:hidden;white-space:nowrap}
.ticker-track{display:inline-flex;animation:scroll 28s linear infinite}
.ticker span{font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;color:var(--ink-soft);padding:12px 0 12px 46px}
.ticker b{color:var(--mizu-deep);font-weight:500}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- marquee band ---------- */
.band{background:var(--mizu);color:var(--white);overflow:hidden;white-space:nowrap;
  transform:rotate(-1.2deg) scale(1.02);margin:-14px 0;position:relative;z-index:4;
  border-top:3px solid var(--ink);border-bottom:3px solid var(--ink)}
.band-track{display:inline-flex;animation:scroll 20s linear infinite}
.band span{font-family:var(--font-display-ja);font-size:22px;letter-spacing:.06em;padding:12px 0 12px 40px}
.band span i{font-style:normal;color:var(--ink)}

/* ---------- section shell ---------- */
section{padding:120px 0;position:relative;overflow:hidden}
.sec-head{display:flex;align-items:baseline;gap:22px;margin-bottom:52px;flex-wrap:wrap}
.sec-tag{font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;color:var(--white);background:var(--ink);padding:5px 12px;border-radius:2px}
.sec-tag i{font-style:normal;color:var(--mizu)}
.sec-head h2{font-family:var(--font-display-ja);font-weight:400;font-size:clamp(26px,4.4vw,48px);letter-spacing:.03em;line-height:1.25;min-height:1.25em}
.sub-head{font-family:var(--font-mono);font-size:12px;letter-spacing:.24em;color:var(--mizu-deep);
  margin:64px 0 28px;display:flex;align-items:center;gap:16px}
.sub-head::after{content:'';flex:1;height:1px;background:var(--line)}

/* ---------- 背景ワイヤーフレーム ---------- */
.wire{position:absolute;pointer-events:none;z-index:0}
.wire .draw{stroke-dasharray:1400;stroke-dashoffset:1400}
.wire.in .draw{animation:wiredraw 2.6s cubic-bezier(.4,0,.2,1) forwards}
@keyframes wiredraw{to{stroke-dashoffset:0}}
@keyframes spinWheel{to{transform:rotate(360deg)}}
@keyframes crankSpin{to{transform:rotate(360deg)}}
@keyframes pistonMove{0%,100%{transform:translateY(0)}50%{transform:translateY(44px)}}
@keyframes dashFlow{to{stroke-dashoffset:-360}}
@keyframes floatSlow{0%,100%{transform:translate(0,0)}50%{transform:translate(0,-18px)}}

.wire-engine{right:-60px;top:60px;width:min(560px,52vw);opacity:.5;animation:floatSlow 9s ease-in-out infinite}
.wire-engine svg{width:100%;height:auto}
.wire-engine .st{fill:none;stroke:var(--mizu);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.wire-engine .st.dim{stroke:var(--mizu-pale)}
.wire-engine .piston{animation:pistonMove 1.1s cubic-bezier(.45,0,.55,1) infinite}
.wire-engine .p2{animation-delay:-.55s}
.wire-engine .p3{animation-delay:-.275s}
.wire-engine .p4{animation-delay:-.825s}
.wire-engine .crank{transform-origin:200px 244px;animation:crankSpin 1.1s linear infinite}
@media(max-width:820px){.wire-engine{opacity:.25;right:-140px}}

.wire-circuit{left:-80px;top:50%;transform:translateY(-50%);width:min(620px,60vw);opacity:.5}
.wire-circuit svg{width:100%;height:auto}
.wire-circuit .track-ghost{fill:none;stroke:rgba(63,190,232,.18);stroke-width:12;stroke-linejoin:round}
.wire-circuit .track-dash{fill:none;stroke:var(--mizu);stroke-width:2;stroke-dasharray:10 14;animation:dashFlow 9s linear infinite}
.wire-circuit .sf{stroke:var(--white);stroke-width:3;stroke-dasharray:4 4}
.wire-circuit .carDot{fill:var(--white);filter:drop-shadow(0 0 8px rgba(63,190,232,.9))}
@media(max-width:820px){.wire-circuit{opacity:.28}}

.wire-car{right:-40px;bottom:30px;width:min(680px,64vw);opacity:.55}
.wire-car svg{width:100%;height:auto;overflow:visible}
.wire-car .st{fill:none;stroke:var(--mizu-deep);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.wire-car .st.dim{stroke:var(--mizu);opacity:.55}
.wire-car .wheel{transform-box:fill-box;transform-origin:center;animation:spinWheel 1.6s linear infinite}
@media(max-width:820px){.wire-car{opacity:.25}}

.wire-speed{left:0;right:0;top:0;bottom:0;overflow:hidden}
.wire-speed span{position:absolute;height:2px;background:linear-gradient(90deg,transparent,var(--mizu-pale));animation:speedAcross linear infinite}
@keyframes speedAcross{from{transform:translateX(-120%)}to{transform:translateX(120vw)}}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-bottom:56px;position:relative;z-index:2}
.stat{background:var(--white);padding:30px 26px;transition:background .3s}
.stat:hover{background:var(--ice)}
.stat .num{font-family:var(--font-display);font-size:clamp(34px,4.4vw,52px);line-height:1;color:var(--ink)}
.stat .lbl{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;color:var(--ink-soft);margin-top:10px}
.live-tag{color:var(--mizu-deep);font-size:9px;letter-spacing:.14em;margin-left:8px;animation:pulse 2s ease-in-out infinite}
@media(max-width:680px){.stats{grid-template-columns:1fr}}

/* ---------- video cards ---------- */
.videos{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;position:relative;z-index:2}
@media(max-width:900px){.videos{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.videos{grid-template-columns:1fr}}
.vcard{text-decoration:none;display:block;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:var(--white);
  transition:box-shadow .35s,border-color .35s;transform-style:preserve-3d;will-change:transform}
.vcard:hover{box-shadow:0 22px 48px rgba(11,15,19,.14);border-color:var(--mizu)}
.thumb{aspect-ratio:16/9;position:relative;overflow:hidden;background:linear-gradient(135deg,var(--ink) 0%,#12222c 55%,var(--mizu-deep) 130%)}
.thumb .ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-size:38px;color:rgba(255,255,255,.16);letter-spacing:.05em}
.thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.thumb img.dead{display:none}
.vcard:hover .thumb img{transform:scale(1.06)}
.thumb .speedline{position:absolute;left:-30%;top:0;bottom:0;width:36%;
  background:linear-gradient(100deg,transparent,rgba(189,233,247,.4),transparent);
  transform:skewX(-18deg);transition:left .55s cubic-bezier(.2,.7,.2,1);z-index:2}
.vcard:hover .speedline{left:110%}
.thumb .badge{position:absolute;left:12px;top:12px;font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;
  background:var(--mizu);color:var(--white);padding:4px 9px;border-radius:2px;z-index:2}
.thumb .play{position:absolute;right:12px;bottom:12px;width:38px;height:38px;border-radius:50%;
  background:rgba(255,255,255,.9);display:flex;align-items:center;justify-content:center;color:var(--ink);font-size:12px;
  transform:scale(0);transition:transform .3s cubic-bezier(.3,1.6,.4,1);z-index:2}
.vcard:hover .play{transform:scale(1)}
.vbody{padding:18px 18px 20px}
.vbody .client{font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;color:var(--mizu-deep);margin-bottom:8px}
.vbody h3{font-size:15px;font-weight:700;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.vmeta{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--ink-soft);display:flex;justify-content:space-between;gap:10px}
.vmeta .views{color:var(--mizu-deep)}
.vmeta .go{color:var(--mizu-deep);transition:transform .3s;display:inline-block;white-space:nowrap}
.vcard:hover .vmeta .go{transform:translateX(5px)}
.more-row{margin-top:44px;text-align:center;position:relative;z-index:2}
.feed-note{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--ink-soft);margin-top:16px;text-align:center;opacity:.7}

/* ---------- series ---------- */
#series{background:var(--ink);color:var(--white)}
#series .sec-tag{background:var(--mizu)}
#series .sec-head h2{color:var(--white)}
.series-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center;position:relative;z-index:2}
@media(max-width:860px){.series-grid{grid-template-columns:1fr}}
.series-copy p{color:#B8C4CC;font-size:15px;margin-bottom:18px}
.series-copy p b{color:var(--white)}
.series-copy .kw{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.kw span{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;border:1px solid rgba(63,190,232,.5);
  color:var(--mizu-pale);padding:6px 14px;border-radius:999px;transition:background .3s,color .3s,transform .3s;user-select:none}
.kw span:hover{background:var(--mizu);color:var(--ink);transform:translateY(-3px) rotate(-2deg)}
.gauge{position:relative;aspect-ratio:1/1;max-width:400px;margin:0 auto;width:100%}
.gauge svg{width:100%;height:100%;transform:rotate(-90deg)}
.gauge .track{fill:none;stroke:rgba(255,255,255,.1);stroke-width:6}
.gauge .arc{fill:none;stroke:var(--mizu);stroke-width:6;stroke-linecap:round;stroke-dasharray:0 999;
  transition:stroke-dasharray 1.6s cubic-bezier(.2,.7,.2,1);filter:drop-shadow(0 0 10px rgba(63,190,232,.6))}
.gauge .center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.gauge .center .big{font-family:var(--font-display);font-size:clamp(52px,7vw,84px);line-height:1;color:var(--white)}
.gauge .center .big i{font-style:normal;color:var(--mizu);font-size:.5em}
.gauge .center .sm{font-family:var(--font-mono);font-size:11px;letter-spacing:.24em;color:#8FA0AA;margin-top:8px}

/* ---------- works ---------- */
#works{background:var(--ice)}
.works-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;position:relative;z-index:2}
@media(max-width:820px){.works-grid{grid-template-columns:1fr}}
.wcard{background:var(--white);border:1px solid var(--line);border-radius:6px;position:relative;overflow:hidden;
  transition:transform .35s cubic-bezier(.2,.7,.2,1),box-shadow .35s}
.wcard::before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--mizu);z-index:3;
  transform:scaleY(0);transform-origin:top;transition:transform .4s cubic-bezier(.2,.7,.2,1)}
.wcard:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(11,15,19,.08)}
.wcard:hover::before{transform:scaleY(1)}
.wthumb{display:block;position:relative;height:170px;overflow:hidden;background:linear-gradient(135deg,var(--ink),#12222c)}
.wthumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.wcard:hover .wthumb img{transform:scale(1.05)}
.wthumb .wbadge{position:absolute;left:12px;bottom:12px;font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;
  background:rgba(11,15,19,.8);color:var(--mizu-pale);padding:4px 10px;border-radius:2px}
.wbody{padding:26px 30px 30px}
.wcard .cat{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;color:var(--mizu-deep);margin-bottom:12px}
.wcard h3{font-size:18px;font-weight:700;margin-bottom:12px}
.wcard p{font-size:14px;color:var(--ink-soft)}
.wcard .stat-inline{font-family:var(--font-display);font-size:30px;color:var(--mizu-deep);margin:12px 0 2px}
.wcard .tags{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
.wcard .tags span{font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;background:var(--ice);color:var(--ink-soft);padding:4px 10px;border-radius:2px}
.wcard .mini-links{margin-top:16px;display:flex;flex-wrap:wrap;gap:12px}
.wcard .mini-links a{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--mizu-deep);text-decoration:none;
  border-bottom:1px solid var(--mizu-pale);padding-bottom:2px;transition:border-color .3s,color .3s}
.wcard .mini-links a:hover{color:var(--ink);border-color:var(--mizu)}

/* ---------- links ---------- */
.links-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;position:relative;z-index:2}
@media(max-width:900px){.links-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.links-grid{grid-template-columns:1fr}}
.lcard{text-decoration:none;border:1.5px solid var(--ink);border-radius:6px;padding:32px 28px;display:block;
  position:relative;overflow:hidden;transition:color .35s;background:var(--white)}
.lcard::after{content:'';position:absolute;inset:0;background:var(--mizu);transform:translateY(101%);
  transition:transform .4s cubic-bezier(.2,.7,.2,1);z-index:0}
.lcard:hover::after{transform:translateY(0)}
.lcard>*{position:relative;z-index:1}
.lcard:hover{color:var(--white)}
.lcard .licon{width:34px;height:34px;margin-bottom:14px;transition:transform .35s cubic-bezier(.3,1.6,.4,1)}
.lcard:hover .licon{transform:scale(1.15) rotate(-6deg)}
.lcard .licon svg{width:100%;height:100%;display:block}
.lcard .svc{font-family:var(--font-mono);font-size:11px;letter-spacing:.24em;margin-bottom:14px;opacity:.7}
.lcard h3{font-family:var(--font-display);font-weight:400;font-size:26px;letter-spacing:.02em;margin-bottom:10px}
.lcard p{font-size:13px;opacity:.75}
.lcard .arrow{position:absolute;right:22px;top:26px;font-family:var(--font-mono);font-size:18px;transition:transform .35s}
.lcard:hover .arrow{transform:translate(4px,-4px)}

/* ---------- neru ---------- */
.neru-btn{position:fixed;right:22px;bottom:22px;z-index:200;width:58px;height:58px;border-radius:50%;
  background:var(--ink);color:var(--white);border:2px solid var(--mizu);font-family:var(--font-display-ja);font-size:20px;
  display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(11,15,19,.25);
  transition:transform .25s cubic-bezier(.3,1.6,.4,1),background .25s}
.neru-btn:hover{transform:scale(1.12) rotate(-8deg);background:var(--mizu)}
.neru-btn:active{transform:scale(.92)}
.neru{position:fixed;top:-60px;z-index:150;pointer-events:none;font-family:var(--font-display-ja);color:var(--mizu);
  animation:neruFall linear forwards;user-select:none;text-shadow:0 0 12px rgba(63,190,232,.4)}
@keyframes neruFall{to{transform:translateY(115vh) rotate(var(--rot));opacity:.9}}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:44px 0 60px;text-align:center}
footer .flogo{font-family:var(--font-display);font-size:26px;margin-bottom:10px}
footer .flogo i{font-style:normal;color:var(--mizu)}
footer p{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--ink-soft)}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .hero h1 .ch{transform:none}
  .hero-eyebrow,.hero-sub,.hero-cta,.hero-hint{opacity:1}
  .rv{opacity:1;transform:none}
  #heroCanvas,#fx,.hero-video{display:none}
  .wire .draw{stroke-dashoffset:0}
}
:focus-visible{outline:2px solid var(--mizu);outline-offset:3px}

/* ---------- 3Dワイヤーフレームカー ---------- */
.car3d-panel{
  position:relative;z-index:2;margin-bottom:64px;
  border:1px solid var(--line);border-radius:6px;background:var(--white);
  overflow:hidden;
}
.car3d-canvas{height:min(420px,52vw);cursor:grab;touch-action:pan-y}
.car3d-canvas:active{cursor:grabbing}
.car3d-canvas canvas{display:block}
.car3d-caption{
  display:flex;justify-content:space-between;align-items:center;
  padding:12px 18px;border-top:1px solid var(--line);
  font-size:11px;letter-spacing:.2em;color:var(--mizu-deep);
}
.car3d-caption .hint{color:var(--ink-soft);animation:hintPulse 2.6s ease-in-out infinite}
@keyframes hintPulse{0%,100%{opacity:.4}50%{opacity:1}}
@media (prefers-reduced-motion: reduce){.car3d-caption .hint{animation:none}}

/* ---------- 人気動画ランキング ---------- */
.rank-list{display:flex;flex-direction:column;gap:14px;position:relative;z-index:2}
.rrow{
  display:grid;grid-template-columns:64px 180px 1fr auto;gap:20px;align-items:center;
  text-decoration:none;border:1px solid var(--line);border-radius:6px;background:var(--white);
  padding:12px 20px 12px 12px;overflow:hidden;position:relative;
  transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s,border-color .3s;
}
.rrow:hover{transform:translateX(8px);box-shadow:0 12px 30px rgba(11,15,19,.1);border-color:var(--mizu)}
.rrow .rnum{
  font-family:var(--font-display);font-size:40px;line-height:1;text-align:center;
  color:transparent;-webkit-text-stroke:1.5px var(--mizu);
  transition:color .3s;
}
.rrow:hover .rnum{color:var(--mizu)}
.rrow:first-child .rnum{color:var(--mizu);-webkit-text-stroke:0}
.rrow .rthumb{aspect-ratio:16/9;border-radius:4px;overflow:hidden;background:linear-gradient(135deg,var(--ink),#12222c);position:relative}
.rrow .rthumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s}
.rrow:hover .rthumb img{transform:scale(1.06)}
.rrow .rtitle{font-size:14px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rrow .rviews{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--mizu-deep);white-space:nowrap}
@media(max-width:680px){
  .rrow{grid-template-columns:40px 120px 1fr;gap:12px}
  .rrow .rnum{font-size:26px}
  .rrow .rviews{grid-column:3;justify-self:end;font-size:11px}
}

/* ---------- 神ゲー発掘サムネイル帯 ---------- */
.belt{margin-top:80px;overflow:hidden;position:relative;z-index:2;
  border-top:1px solid rgba(63,190,232,.3);border-bottom:1px solid rgba(63,190,232,.3);
  padding:18px 0;
  mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);}
.belt-track{display:flex;gap:16px;width:max-content;animation:beltScroll var(--belt-dur,50s) linear infinite}
.belt:hover .belt-track{animation-play-state:paused}
@keyframes beltScroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.belt-item{position:relative;display:block;width:236px;aspect-ratio:16/9;border-radius:6px;overflow:hidden;flex:none;
  background:linear-gradient(135deg,#12222c,var(--mizu-deep));border:1px solid rgba(63,190,232,.35);
  transition:transform .3s cubic-bezier(.2,.7,.2,1),border-color .3s}
.belt-item:hover{transform:translateY(-6px) scale(1.03);border-color:var(--mizu);z-index:2}
.belt-item img{width:100%;height:100%;object-fit:cover;display:block}
.belt-item .bplay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:rgba(11,15,19,0);transition:background .3s;color:var(--white);font-size:26px;opacity:0}
.belt-item:hover .bplay{background:rgba(11,15,19,.45);opacity:1}
.belt-item .btitle{position:absolute;left:0;right:0;bottom:0;padding:20px 10px 8px;
  font-size:11px;font-weight:700;color:var(--white);line-height:1.4;
  background:linear-gradient(transparent,rgba(11,15,19,.85));
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media (prefers-reduced-motion: reduce){.belt-track{animation:none;flex-wrap:wrap}}

/* ---------- Xタイムライン ---------- */
.tweet-wrap{margin-bottom:64px;position:relative;z-index:2}
.tweet-panel{
  max-width:560px;border:1px solid var(--line);border-radius:6px;overflow:hidden;
  background:var(--white);min-height:200px;
  box-shadow:0 8px 28px rgba(11,15,19,.05);
}
.tweet-panel .twitter-timeline{display:block;padding:18px;font-family:var(--font-mono);font-size:12px;color:var(--mizu-deep)}