:root{
  --bg:#06090f;
  --bg-2:#0a0f18;
  --bg-3:#0e1420;
  --line:rgba(140,180,235,.13);
  --line-2:rgba(140,180,235,.26);
  --ink:#eaf1fb;
  --body:#9db0c8;
  --mute:#6b7e96;
  --accent:#5aa9ff;
  --accent-2:#78d7ff;
  --live:#78d7ff;
  --build:#60a5fa;
  --talks:#94a3b8;
  --max:1180px;
  --mincho:"Hiragino Mincho ProN","Yu Mincho",YuMincho,"Noto Serif JP",serif;
  --gothic:"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic",YuGothic,"Noto Sans JP",system-ui,sans-serif;
  --mono:"SF Mono",ui-monospace,Menlo,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:70px;background:var(--bg);overflow-x:hidden}
@media(max-width:999px){html{scroll-padding-top:112px}}
body{
  font-family:var(--gothic);background:var(--bg);color:var(--body);
  line-height:1.95;font-size:15px;letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body.en{font-size:15.5px;letter-spacing:.005em;line-height:1.75}
img,video,canvas{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 32px}
@media(max-width:640px){.wrap{padding:0 20px}}

/* ---- type ---- */
h1,h2,h3{font-family:var(--mincho);color:var(--ink);font-weight:600;letter-spacing:.045em;line-height:1.5}
body.en h1,body.en h2,body.en h3{font-family:"Helvetica Neue",Inter,system-ui,sans-serif;letter-spacing:-.015em;font-weight:600}
h2{font-size:27px;margin-bottom:20px}
@media(min-width:780px){h2{font-size:40px;line-height:1.42}}
h3{font-size:16.5px;margin-bottom:10px;letter-spacing:.03em}
.eyebrow{
  display:flex;align-items:center;gap:14px;font-family:var(--mono);
  font-size:10.5px;letter-spacing:.3em;color:var(--accent);margin-bottom:22px;text-transform:uppercase;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent);opacity:.6;flex:none}
.lede{max-width:740px;font-size:15.5px;line-height:2.1;color:var(--body)}
.mono{font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--mute);text-transform:uppercase}

section{padding:96px 0;border-top:1px solid var(--line);position:relative}
@media(min-width:780px){section{padding:132px 0}}
.sec-head{margin-bottom:56px;max-width:820px}

/* ---- header ---- */
header{
  position:fixed;top:0;left:0;right:0;z-index:60;height:70px;
  background:rgba(6,9,15,.72);backdrop-filter:saturate(150%) blur(14px);
  border-bottom:1px solid var(--line);
}
.hd{display:flex;align-items:center;height:70px;gap:24px}
.logo{font-family:var(--mono);font-size:14px;font-weight:600;letter-spacing:.24em;color:var(--ink);white-space:nowrap}
.logo em{display:block;font-style:normal;font-size:8.5px;letter-spacing:.26em;color:var(--mute);margin-top:2px}
.nav{display:none;gap:30px;margin-left:auto;font-size:12.5px;letter-spacing:.08em}
.nav a{color:var(--body);font-weight:500;padding:6px 0;border-bottom:1px solid transparent;transition:.18s}
.nav a:hover{color:var(--ink);border-color:var(--accent)}
@media(min-width:1000px){.nav{display:flex}}
.hd-right{display:flex;align-items:center;gap:14px;margin-left:auto}
@media(min-width:1000px){.hd-right{margin-left:0}}
.lang{display:flex;border:1px solid var(--line-2);font-family:var(--mono);font-size:10px;letter-spacing:.12em}
.lang button{
  background:none;border:0;color:var(--mute);padding:7px 11px;cursor:pointer;
  font-family:inherit;font-size:inherit;letter-spacing:inherit;transition:.16s;
}
.lang button[aria-pressed="true"]{background:var(--accent);color:#04070d;font-weight:700}
.hd-cta{
  border:1px solid var(--line-2);color:var(--ink);padding:10px 20px;
  font-size:11.5px;font-weight:600;letter-spacing:.12em;font-family:var(--mono);
  transition:.18s;white-space:nowrap;
}
.hd-cta:hover{background:var(--accent);border-color:var(--accent);color:#04070d}
@media(max-width:999px){
  header{height:auto}
  .nav{
    display:flex;order:3;width:100%;margin:0 -32px;padding:0 32px 12px;gap:22px;
    overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;
  }
  .nav::-webkit-scrollbar{display:none}
  .nav a{white-space:nowrap;font-size:12px}
  .hd{flex-wrap:wrap;height:auto;padding-top:14px;row-gap:12px}
  .hd-right{margin-left:auto}
}
@media(max-width:520px){
  .hd{gap:10px}
  .logo{font-size:12px;letter-spacing:.16em}
  .logo em{font-size:7.5px;letter-spacing:.18em}
  .hd-cta{padding:9px 12px;font-size:10px;letter-spacing:.06em}
  .lang button{padding:6px 8px}
  .nav{margin:0 -20px;padding:0 20px 12px}
}

/* ---- hero ---- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;padding:110px 0 60px;overflow:hidden}
@media(max-width:999px){.hero{padding:150px 0 60px}}
.hero-grid{
  position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:88px 88px;
  -webkit-mask-image:radial-gradient(ellipse 80% 65% at 50% 40%,#000,transparent 78%);
          mask-image:radial-gradient(ellipse 80% 65% at 50% 40%,#000,transparent 78%);
}
.globe-stage{
  position:absolute;top:50%;right:-5%;transform:translateY(-50%);
  width:min(760px,58vw);aspect-ratio:1;z-index:1;
}
#globe{width:100%;height:100%;cursor:grab;touch-action:pan-y}
#globe:active{cursor:grabbing}
@media(max-width:1000px){
  .globe-stage{right:auto;left:50%;top:54%;transform:translate(-50%,-50%);width:min(520px,94vw);opacity:.4}
}
.hero .wrap{position:relative;z-index:2;width:100%}
.hero-copy{max-width:640px}
body.en .hero-copy{max-width:680px}
.hero h1{
  font-size:clamp(30px,5.2vw,56px);line-height:1.34;color:#fff;
  margin:22px 0 26px;letter-spacing:.03em;
}
body.en .hero h1{letter-spacing:-.025em;line-height:1.12;font-size:clamp(32px,4.5vw,52px)}
.hero h1 .accent{
  background:linear-gradient(96deg,var(--accent-2),var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero .sub{font-size:15.5px;line-height:2.05;max-width:540px;color:var(--body)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:15px 30px;
  font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.14em;
  background:var(--accent);color:#04070d;border:1px solid var(--accent);transition:.18s;
}
.btn:hover{background:var(--accent-2);border-color:var(--accent-2)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn-ghost:hover{background:rgba(90,169,255,.1);border-color:var(--accent);color:var(--ink)}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:0 34px;margin-top:56px;padding-top:26px;
  border-top:1px solid var(--line);font-family:var(--mono);font-size:10.5px;
  letter-spacing:.2em;color:var(--mute);text-transform:uppercase;
}
.hero-meta span{padding:4px 0}

/* ---- network ---- */
.net{display:grid;gap:10px}
@media(min-width:760px){.net{grid-template-columns:repeat(3,1fr)}}
.node{
  border:1px solid var(--line);background:var(--bg-2);padding:24px 22px;
  text-align:left;cursor:pointer;font:inherit;color:inherit;transition:.2s;position:relative;
}
.node:hover{border-color:var(--line-2);background:var(--bg-3);transform:translateY(-2px)}
.node .top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.node .code{font-family:var(--mono);font-size:10.5px;letter-spacing:.22em;color:var(--mute)}
.node h3{margin-bottom:8px;font-size:19px}
.node p{font-size:13.5px;line-height:1.85;color:var(--body)}
.pill{
  font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;padding:4px 9px;
  border:1px solid currentColor;white-space:nowrap;text-transform:uppercase;
}
.pill.live{color:var(--live)}
.pill.build{color:var(--build)}
.pill.talks{color:var(--talks)}
.legend{
  display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:24px;
  font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--mute);
}
.legend i{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:8px;vertical-align:1px}

/* ---- stack ---- */
.stack{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
@media(min-width:900px){.stack{grid-template-columns:repeat(4,1fr)}}
.layer{background:var(--bg-2);padding:34px 26px;transition:.22s;position:relative;overflow:hidden}
.layer::after{content:"";position:absolute;left:0;top:0;width:100%;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:.3s}
.layer:hover{background:var(--bg-3)}
.layer:hover::after{transform:scaleX(1)}
.layer .n{font-family:var(--mono);font-size:10.5px;letter-spacing:.22em;color:var(--accent);display:block;margin-bottom:20px}
.layer h3{font-size:18px;margin-bottom:12px}
.layer p{font-size:13.5px;line-height:1.9}
.layer ul{list-style:none;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.layer li{font-size:12.5px;line-height:2.05;color:var(--mute);padding-left:14px;position:relative}
.layer li::before{content:"";position:absolute;left:0;top:12px;width:5px;height:1px;background:var(--line-2)}

/* ---- services ---- */
.svc{display:grid;gap:10px}
@media(min-width:720px){.svc{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1060px){.svc{grid-template-columns:repeat(3,1fr)}}
.card{border:1px solid var(--line);background:var(--bg-2);padding:30px 26px;transition:.2s}
.card:hover{border-color:var(--line-2);background:var(--bg-3)}
.card .tag{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--accent);display:block;margin-bottom:16px}
.card p{font-size:13.5px;line-height:1.9}
.card ul{list-style:none;margin-top:18px}
.card li{font-size:12.5px;line-height:2.1;color:var(--mute);padding-left:15px;position:relative}
.card li::before{content:"";position:absolute;left:0;top:13px;width:6px;height:1px;background:var(--accent);opacity:.55}

/* ---- infrastructure strip ---- */
.infra{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
@media(min-width:820px){.infra{grid-template-columns:repeat(2,1fr)}}
.infra-item{background:var(--bg-2);display:grid;grid-template-rows:auto 1fr}
.infra-item figure{position:relative;overflow:hidden;aspect-ratio:16/9;background:#04070d}
.infra-item img{width:100%;height:100%;object-fit:cover;opacity:.66;transition:.5s;filter:saturate(.8) contrast(1.05)}
.infra-item:hover img{opacity:.85;transform:scale(1.03)}
.infra-item figcaption{
  position:absolute;left:0;bottom:0;padding:12px 18px;font-family:var(--mono);
  font-size:10px;letter-spacing:.2em;color:var(--ink);background:linear-gradient(transparent,rgba(4,7,13,.9));width:100%;
}
.infra-item .txt{padding:26px}
.infra-item.stmt{background:var(--bg-3);display:flex;align-items:center}
.infra-item.stmt .txt{padding:44px 34px}
.infra-item.stmt .tag{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--accent);display:block;margin-bottom:20px;text-transform:uppercase}
.infra-item.stmt h3{font-size:24px;line-height:1.5;margin-bottom:16px}
@media(min-width:820px){.infra-item.stmt h3{font-size:29px}}
.infra-item p{font-size:13.5px;line-height:1.9}

/* ---- facts ---- */
.facts{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
@media(min-width:700px){.facts{grid-template-columns:repeat(3,1fr)}}
.fact{background:var(--bg-2);padding:32px 26px}
.fact .k{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--mute);display:block;margin-bottom:14px}
.fact .v{font-family:var(--mincho);font-size:30px;color:var(--ink);line-height:1.3;display:block}
body.en .fact .v{font-family:"Helvetica Neue",Inter,system-ui,sans-serif;letter-spacing:-.02em}
.fact .note{font-size:12px;color:var(--mute);margin-top:10px;line-height:1.8}

/* ---- contact ---- */
.contact{background:var(--bg-2)}
.form{display:grid;gap:14px;max-width:660px;margin-top:36px}
@media(min-width:640px){.form .two{display:grid;grid-template-columns:1fr 1fr;gap:14px}}
.form label{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:var(--mute);margin-bottom:8px;text-transform:uppercase}
.form input,.form select,.form textarea{
  width:100%;background:var(--bg-3);border:1px solid var(--line-2);color:var(--ink);
  padding:13px 14px;font-family:inherit;font-size:14px;transition:.16s;
}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--accent)}
.form textarea{min-height:130px;resize:vertical;line-height:1.8}
.form .btn{justify-content:center;border:0;cursor:pointer}
.form-note{font-size:12px;color:var(--mute);margin-top:6px;line-height:1.9}
.form-status{font-size:13px;margin-top:12px;min-height:20px}
.form-status.ok{color:var(--accent-2)}
.form-status.ng{color:#f0a5a5}

/* ---- footer ---- */
footer{border-top:1px solid var(--line);padding:64px 0 40px;background:var(--bg)}
.ft{display:grid;gap:36px}
@media(min-width:860px){.ft{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.ft h4{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--mute);margin-bottom:16px;text-transform:uppercase;font-weight:600}
.ft ul{list-style:none}
.ft li{margin-bottom:9px}
.ft a,.ft li{font-size:13px;color:var(--body)}
.ft a:hover{color:var(--ink)}
.ft-legal{
  margin-top:52px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:8px 28px;font-size:11.5px;color:var(--mute);
}

/* ---- shared ---- */
[data-lang-hide]{display:none}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}