:root{
  --bg:#171512;
  --bg2:#1e1b18;
  --panel:#242019;
  --ink:#f5e6d3;
  --dim:#a99c8a;
  --accent:#e07030;
  --line:rgba(245,230,211,.12);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:"Inter","Noto Sans JP",sans-serif;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 28px}

/* ---------- header ---------- */
header{
  position:sticky;top:0;z-index:20;
  background:rgba(23,21,18,.85);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.2em;font-size:15px}
.brand svg{display:block}
.nav ul{display:flex;gap:26px;list-style:none;font-size:12px;letter-spacing:.12em;align-items:center}
.nav ul a{color:var(--dim);transition:color .2s}
.nav ul a:hover{color:var(--ink)}
.nav .lang{color:var(--accent);font-weight:700;border:1px solid rgba(224,112,48,.4);padding:4px 12px;border-radius:99px}
@media(max-width:680px){.nav ul li{display:none}.nav ul li:last-child{display:block}}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(245,230,211,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(245,230,211,.05) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(ellipse 90% 85% at 62% 38%,#000 25%,transparent 74%);
  mask-image:radial-gradient(ellipse 90% 85% at 62% 38%,#000 25%,transparent 74%);
}
.glow{
  position:absolute;top:-240px;right:-180px;width:860px;height:860px;border-radius:50%;
  background:radial-gradient(circle at 42% 42%,rgba(224,112,48,.30),rgba(224,112,48,.07) 46%,transparent 66%);
  filter:blur(46px);pointer-events:none;
  animation:drift 16s ease-in-out infinite alternate;
}
.glow2{
  position:absolute;bottom:-300px;left:-260px;width:760px;height:760px;border-radius:50%;
  background:radial-gradient(circle,rgba(245,230,211,.10),transparent 62%);
  filter:blur(60px);pointer-events:none;
  animation:drift 20s ease-in-out infinite alternate-reverse;
}
@keyframes drift{
  from{transform:translate(0,0) scale(1)}
  to{transform:translate(-140px,90px) scale(1.18)}
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:24px;align-items:center;
  min-height:calc(100vh - 64px);padding-top:48px;padding-bottom:48px;
}
.kicker{
  display:flex;align-items:center;gap:14px;
  color:var(--accent);font-weight:700;letter-spacing:.28em;font-size:12px;margin-bottom:28px;
}
.kicker::before{content:"";width:44px;height:2px;background:var(--accent)}
h1{
  font-size:clamp(42px,6.4vw,84px);
  font-weight:900;line-height:1.16;letter-spacing:.01em;
}
h1 .grad{
  background:linear-gradient(100deg,var(--ink) 20%,var(--accent) 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lead{margin-top:32px;max-width:560px;color:var(--dim);font-size:16px}
.stats{display:flex;gap:52px;margin-top:52px;flex-wrap:wrap}
.stat b{font-size:36px;font-weight:800;letter-spacing:-.01em}
.stat b i{font-style:normal;color:var(--accent);font-size:22px;margin-left:2px}
.stat span{display:block;font-size:11px;color:var(--dim);letter-spacing:.14em;margin-top:2px}
.hero-canvas{position:relative;display:flex;justify-content:center}
.hero-canvas{min-width:0}
.hero-canvas video{
  width:100%;max-width:560px;aspect-ratio:56/47;height:auto;display:block;
  -webkit-mask-image:radial-gradient(ellipse 62% 64% at 50% 46%,#000 38%,transparent 82%);
  mask-image:radial-gradient(ellipse 62% 64% at 50% 46%,#000 38%,transparent 82%);
}
.heronote{
  position:absolute;bottom:-6px;left:0;right:0;text-align:center;
  font-size:10px;color:var(--dim);letter-spacing:.08em;opacity:.85;
}
.glnote{
  position:absolute;bottom:10px;left:0;right:0;text-align:center;
  font-size:11px;color:var(--dim);letter-spacing:.08em;
}
.hero-canvas canvas{width:100%;max-width:560px;aspect-ratio:56/47;height:auto}
@media(max-width:900px){
  /* narrow widths: walker becomes a dim background layer so the walking
     is always inside the first view, behind the headline */
  .hero-grid{grid-template-columns:1fr;min-height:88vh;padding-top:72px}
  .hero-canvas{
    position:absolute;inset:0;z-index:0;pointer-events:none;
    display:flex;align-items:center;justify-content:center;
    opacity:.42;
  }
  .hero-txt{position:relative;z-index:1}
}
@media(min-height:1600px){
  .hero-grid{min-height:auto;padding-top:140px;padding-bottom:120px}
}

/* ---------- marquee strip ---------- */
.strip{overflow:hidden;border-bottom:1px solid var(--line);padding:16px 0;background:var(--bg2)}
.strip-in{display:flex;white-space:nowrap;width:max-content;animation:mar 36s linear infinite}
.strip b{font-weight:800;font-size:13px;letter-spacing:.32em;color:var(--dim);padding-right:.32em}
.strip b em{font-style:normal;color:var(--accent);padding:0 .8em}
@keyframes mar{to{transform:translateX(-50%)}}

/* ---------- sections ---------- */
section{padding:120px 0;border-bottom:1px solid var(--line);position:relative}
.sec-head{display:flex;align-items:baseline;gap:20px;margin-bottom:56px}
.sec-num{
  font-size:clamp(48px,6vw,72px);font-weight:900;line-height:1;color:transparent;
  -webkit-text-stroke:1.5px rgba(245,230,211,.28);letter-spacing:.02em;
}
.sec-head div{display:flex;flex-direction:column;gap:6px}
.sec-label{color:var(--accent);font-weight:700;letter-spacing:.28em;font-size:11px}
h2{font-size:clamp(30px,4vw,44px);font-weight:800;letter-spacing:.02em;line-height:1.3}

/* reveal */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .9s cubic-bezier(.2,.6,.2,1),transform .9s cubic-bezier(.2,.6,.2,1)}
.reveal.on{opacity:1;transform:none}
.cards .card:nth-child(2){transition-delay:.12s}
.cards .card:nth-child(3){transition-delay:.24s}

/* ---------- tech cards ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px}
.card{
  background:linear-gradient(180deg,var(--panel),var(--bg2));
  border:1px solid var(--line);border-radius:14px;
  padding:36px 30px;position:relative;overflow:hidden;
  translate:0 0;transition:translate .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--accent),transparent 70%);
  opacity:0;transition:opacity .3s;
}
.card:hover{translate:0 -8px;border-color:rgba(224,112,48,.45);box-shadow:0 24px 48px -24px rgba(0,0,0,.7)}
.card:hover::before{opacity:1}
.card .icon{margin-bottom:22px}
.card h3{font-size:18px;margin-bottom:14px;font-weight:700;line-height:1.5}
.card h3 span{display:block;color:var(--accent);font-size:10px;letter-spacing:.24em;font-weight:700;margin-bottom:10px}
.card p{color:var(--dim);font-size:14px}

/* ---------- business ---------- */
.biz{list-style:none}
.biz li{
  padding:34px 8px;border-bottom:1px solid var(--line);
  display:flex;gap:28px;align-items:baseline;
  transition:background .3s,padding-left .3s;
}
.biz li:hover{background:rgba(245,230,211,.03);padding-left:20px}
.biz li:last-child{border-bottom:none}
.biz .num{
  color:transparent;-webkit-text-stroke:1px var(--accent);
  font-weight:900;font-size:26px;letter-spacing:.05em;min-width:52px;
}
.biz .t{font-weight:700;font-size:18px;min-width:17em}
.biz .d{color:var(--dim);font-size:14px}
@media(max-width:760px){.biz li{flex-direction:column;gap:8px}.biz .t{min-width:0}}

/* ---------- company ---------- */
.company table{width:100%;border-collapse:collapse;font-size:15px}
.company th,.company td{padding:22px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.company th{width:200px;color:var(--dim);font-weight:500;letter-spacing:.08em}
@media(max-width:560px){.company th{width:110px}}

/* ---------- news ---------- */
.news-list{list-style:none}
.news-list li{
  display:flex;gap:32px;align-items:baseline;
  padding:20px 8px;border-bottom:1px solid var(--line);font-size:15px;
}
.news-list li:last-child{border-bottom:none}
.news-list time{color:var(--accent);font-weight:700;letter-spacing:.08em;min-width:70px}
.news-list span{color:var(--ink)}

/* ---------- contact ---------- */
.contact{text-align:center}
.contact .sec-head{justify-content:center}
.contact .mail{
  display:inline-block;margin-top:16px;
  font-size:clamp(22px,4.2vw,44px);font-weight:800;letter-spacing:.01em;
  border-bottom:3px solid var(--accent);padding-bottom:8px;
  transition:color .25s;
}
.contact .mail:hover{color:var(--accent)}
.contact .note{color:var(--dim);font-size:14px;margin-top:26px}

/* ---------- footer ---------- */
footer{padding:44px 0;color:var(--dim);font-size:12px;letter-spacing:.12em}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .glow,.glow2,.strip-in{animation:none}
  .reveal{opacity:1;transform:none;transition:none}
}