:root{--paper:#F5F5F7;--ink:#1D1D1F;--haze:#86868B;--line:rgba(29,29,31,.12);
 --void:#0A0A0C;--void2:#141416;--glow:232,200,154;--acc:#E8C89A;
 --s:"Noto Sans CJK JP","Hiragino Sans","Noto Sans JP",sans-serif;--m:"DejaVu Sans Mono","SF Mono",Menlo,monospace}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:var(--s);line-height:1.9;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}img{display:block;max-width:100%}
:focus-visible{outline:2px solid #0071E3;outline-offset:4px}
.g{max-width:980px;margin:0 auto;padding-inline:24px}
/* nav */
.nav{position:sticky;top:0;z-index:80;background:rgba(10,10,12,.74);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(245,245,247,.08)}
.nav-in{max-width:1024px;margin:0 auto;height:52px;display:flex;align-items:center;justify-content:space-between;padding-inline:24px}
.nav .logo img{height:22px;width:auto}
.nav ul{display:flex;gap:34px;list-style:none}
.nav ul a{color:rgba(245,245,247,.82);font-size:12.5px;letter-spacing:.02em}
/* light field */
.field{position:relative;background:linear-gradient(180deg,var(--void),var(--void2));color:var(--paper);overflow:hidden;isolation:isolate}
.field::before{content:"";position:absolute;inset:0;z-index:0;background:radial-gradient(58% 34% at 76% 4%,rgba(var(--glow),.11),transparent 70%)}
.beam{position:absolute;left:50%;bottom:-16%;width:74%;height:58%;z-index:0;transform:translateX(-50%) perspective(700px) rotateX(66deg);
 background:radial-gradient(ellipse at center,rgba(var(--glow),.40),rgba(var(--glow),.08) 46%,transparent 70%);filter:blur(46px)}
.shaft{position:absolute;left:50%;bottom:-4%;width:56%;height:54%;z-index:0;transform:translateX(-50%) perspective(760px) rotateX(70deg) rotate(-7deg);
 background:linear-gradient(90deg,transparent 0 5%,rgba(var(--glow),.30) 5% 27%,transparent 27% 36%,rgba(var(--glow),.24) 36% 60%,transparent 60% 69%,rgba(var(--glow),.15) 69% 91%,transparent 91%);filter:blur(16px)}
.hz{position:absolute;left:0;right:0;bottom:22%;height:1px;z-index:0;background:linear-gradient(90deg,transparent,rgba(var(--glow),.28),transparent)}
.field>.g{position:relative;z-index:1}
/* hero */
.hero{min-height:84vh;display:flex;align-items:center;text-align:center;padding-block:110px 120px}
.hero .lg{width:min(260px,60vw);margin:0 auto;opacity:.92}
h1.big{font-size:clamp(46px,8vw,100px);font-weight:900;letter-spacing:-.045em;line-height:1.16;margin-top:40px}
.lead{font-size:clamp(16px,1.9vw,21px);font-weight:500;line-height:2;color:rgba(245,245,247,.66);max-width:30em;margin:32px auto 0}
.links{display:flex;gap:34px;justify-content:center;margin-top:44px;flex-wrap:wrap}
.lk{font-size:clamp(15px,1.6vw,18px);font-weight:500;color:var(--acc);display:inline-flex;align-items:center;gap:7px}
.lk::after{content:"›";font-size:1.25em;line-height:1}
.lk.b{color:#0071E3}
/* statement */
.stmt{text-align:center;padding-block:clamp(90px,14vw,180px)}
.stmt h2{font-size:clamp(30px,5.2vw,62px);font-weight:900;letter-spacing:-.035em;line-height:1.34}
.stmt p{font-size:clamp(15px,1.7vw,19px);font-weight:500;line-height:2.1;color:var(--ink);max-width:30em;margin:34px auto 0}
.field .stmt p{color:rgba(245,245,247,.6)}
.stmt.t{padding-block:clamp(80px,11vw,140px)}
/* triad */
.tri3{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.t{padding:52px 30px 60px;text-align:center;border-right:1px solid var(--line)}
.t:last-child{border-right:0}
.t .n{font-family:var(--m);font-size:11px;letter-spacing:.24em;color:var(--ink)}
.t h3{font-size:clamp(20px,2.2vw,25px);font-weight:900;letter-spacing:-.02em;margin:22px 0 16px}
.t p{font-size:14.5px;line-height:2.05;color:var(--ink)}
/* specs */
.specs{border-top:1px solid var(--line)}
.sp{display:grid;grid-template-columns:12em 1fr;gap:40px;padding:24px 0;border-bottom:1px solid var(--line);align-items:baseline}
.sp dt{font-size:14px;font-weight:700;color:var(--ink)}.sp dd{font-size:16px;line-height:2}
.mono{font-family:var(--m);letter-spacing:-.01em}
.sp ol{padding-left:1.4em}.sp ol li{font-size:16px;line-height:2}
/* detail */
.det{padding-block:clamp(80px,12vw,150px);border-bottom:1px solid var(--line)}
.det:last-of-type{border-bottom:0}
.det .num{font-family:var(--m);font-size:12px;letter-spacing:.24em;color:var(--ink)}
.det h2{font-size:clamp(32px,5vw,60px);font-weight:900;letter-spacing:-.035em;line-height:1.3;margin-top:20px}
.det .cols{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,80px);margin-top:44px;align-items:start}
.det p{font-size:16px;line-height:2.15;color:var(--ink)}.det p+p{margin-top:1.5em}
.mini{border-top:1px solid var(--line)}
.mi{display:flex;justify-content:space-between;gap:20px;padding:16px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.mi span{color:var(--ink)}.mi b{font-weight:700;text-align:right}
/* contact */
.mail{text-align:center;padding-block:clamp(80px,12vw,150px)}
.eb{font-size:12px;letter-spacing:.34em;color:rgba(245,245,247,.5)}
.mail .ad{font-family:var(--m);font-size:clamp(20px,3.6vw,42px);font-weight:700;letter-spacing:-.03em;margin-top:24px;display:inline-flex;align-items:baseline;gap:.12em;flex-wrap:wrap;justify-content:center}
.mail .ad .pend{border:1px dashed rgba(245,245,247,.6);color:var(--paper);font-size:.62em;font-family:var(--s);font-weight:500;letter-spacing:.08em;padding:0 .4em}
.mail p{font-size:14.5px;color:rgba(245,245,247,.55);margin-top:24px;line-height:2}
/* page header */
.ph{text-align:center;padding-block:clamp(96px,13vw,160px)}
.ph h1{font-size:clamp(38px,6.4vw,82px);font-weight:900;letter-spacing:-.04em;line-height:1.18;margin-top:22px}
.ph p{font-size:clamp(15px,1.7vw,19px);font-weight:500;color:rgba(245,245,247,.62);max-width:30em;margin:28px auto 0;line-height:2}
/* footer */
.ftr{border-top:1px solid var(--line);padding-block:38px 46px;font-size:12px;color:var(--ink);line-height:2.1}
.ftr .fl img{height:20px;width:auto;opacity:.75;margin-bottom:16px}
.ftr nav{display:flex;gap:26px;flex-wrap:wrap;padding-bottom:16px;margin-bottom:16px;border-bottom:1px solid var(--line)}
.ftr .bt{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
@media(max-width:860px){.tri3{grid-template-columns:1fr}.t{border-right:0;border-bottom:1px solid var(--line);padding:42px 20px 48px}.t:last-child{border-bottom:0}
 .det .cols{grid-template-columns:1fr}.sp{grid-template-columns:1fr;gap:6px;padding:20px 0}.nav ul{gap:20px}}
@media(max-width:560px){.nav ul{display:none}}

/* Accessible shared refinements */
body{font-size:16px} .nav-in{max-width:980px}.nav ul a{color:var(--acc)}
.lead,.stmt p,.ph p,.t p,.mail p{font-size:16px}
.field .stmt p,.field .lead,.ph p,.mail p{color:rgba(245,245,247,.78)}
.field .eb{color:var(--acc)}.det h2{font-size:clamp(30px,5.2vw,62px)}
.ph h1{font-size:clamp(46px,8vw,100px);letter-spacing:-.045em;line-height:1.16}
.ftr nav a{color:#0071E3}.contact-title{font-size:clamp(30px,5.2vw,62px);letter-spacing:-.035em;font-weight:900;margin-top:18px}
.sr-only,.skip:not(:focus){position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.skip:focus{position:fixed;top:8px;left:16px;background:var(--paper);color:var(--ink);padding:8px 16px;z-index:100}
.field :focus-visible,.nav :focus-visible{outline-color:var(--acc)}
#contact,#main{scroll-margin-top:68px}.mail .pend{max-width:100%}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}