/* TERACTOR LLC corporate site — B1 Orbit
   - CSP が style-src 'self' のため、HTML にインライン style 属性・<style> は書かない。
   - フォントは /assets/fonts.css（自前配信）。外部リソースは読み込まない。 */

:root{
  color-scheme:dark;
  --bg:#070B14;
  --bg-2:#0B1120;
  --surface:rgba(255,255,255,.045);
  --surface-strong:rgba(255,255,255,.08);
  --line:rgba(255,255,255,.11);
  --line-soft:rgba(255,255,255,.055);
  --text:#EDEFF5;
  --body:#CDD2DF;
  --muted:#A9B0C2;
  --amber:#FFB45E;
  --coral:#FF7A59;
  --glow:rgba(255,160,90,.35);
  --on-accent:#1B0F06;
  --font-jp:"Zen Kaku Gothic New","Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;
  --font-en:"Space Grotesk","Zen Kaku Gothic New",system-ui,sans-serif;
  --gutter:clamp(20px,5vw,48px);
  --max:1120px;
  --doc:72ch;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%;background:var(--bg)}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font-jp);font-size:16px;line-height:1.95;letter-spacing:.04em;
  font-feature-settings:"palt";
  word-break:keep-all;overflow-wrap:anywhere;line-break:strict;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(1200px 700px at 85% -10%,rgba(255,150,80,.10),transparent 60%),
    radial-gradient(900px 600px at -10% 45%,rgba(255,110,90,.05),transparent 60%),
    linear-gradient(var(--line-soft) 1px,transparent 1px) 0 0/72px 72px,
    linear-gradient(90deg,var(--line-soft) 1px,transparent 1px) 0 0/72px 72px,
    var(--bg);
  -webkit-mask-image:linear-gradient(#000 0%,#000 55%,rgba(0,0,0,.4) 100%);
  mask-image:linear-gradient(#000 0%,#000 55%,rgba(0,0,0,.4) 100%);
}
img,svg{max-width:100%;height:auto}
a{color:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:12px;top:-60px;background:var(--amber);color:var(--on-accent);padding:10px 16px;border-radius:8px;z-index:100;font-weight:700;text-decoration:none}
.skip:focus{top:12px}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding-inline:var(--gutter)}
.nb,.nowrap{white-space:nowrap}
.center{justify-content:center}

/* Header */
header.site{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(7,11,20,.66);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line-soft);
}
.bar{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-family:var(--font-en);font-weight:700;font-size:20px;letter-spacing:.28em;text-decoration:none;display:inline-flex;align-items:center;gap:12px;min-height:44px}
.logo i{width:10px;height:10px;border-radius:50%;background:var(--amber);box-shadow:0 0 14px 3px var(--glow)}
header.site nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
header.site nav a{
  display:inline-flex;align-items:center;min-height:44px;padding:0 14px;
  font-family:var(--font-en);font-size:14px;letter-spacing:.08em;color:var(--muted);text-decoration:none;
  border-radius:999px;transition:color .2s,background .2s;
}
header.site nav a:hover{color:var(--text);background:var(--surface-strong)}
header.site nav a.cta{color:var(--amber)}
header.site nav a[aria-current="page"]{color:var(--text)}
.menu-btn{display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--surface);border-radius:12px;cursor:pointer;color:var(--text);align-items:center;justify-content:center}
.menu-btn span,.menu-btn span::before,.menu-btn span::after{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative;transition:transform .25s,background .25s}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0}
.menu-btn span::before{top:-6px}.menu-btn span::after{top:6px}
.menu-btn[aria-expanded="true"] span{background:transparent}
.menu-btn[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

/* Hero (top) */
.hero{position:relative;height:min(100svh,860px);min-height:600px;display:flex;align-items:center;overflow:hidden;padding:84px 0 56px}
#orbit{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(90deg,rgba(7,11,20,.9) 0%,rgba(7,11,20,.6) 42%,rgba(7,11,20,0) 76%),
             linear-gradient(0deg,var(--bg) 0%,transparent 18%);
}
.hero .wrap{position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;margin:0 0 24px;
  font-family:var(--font-en);font-size:13px;letter-spacing:.22em;text-transform:uppercase;color:var(--amber);
}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--amber)}
h1{margin:0 0 18px;font-weight:700;font-size:clamp(36px,6.4vw,72px);line-height:1.28;letter-spacing:.02em}
h1 .glow{background:linear-gradient(100deg,var(--amber),var(--coral));-webkit-background-clip:text;background-clip:text;color:transparent}
.tagline{font-family:var(--font-en);font-weight:500;font-size:clamp(17px,2.2vw,24px);letter-spacing:.04em;color:var(--muted);margin:0 0 24px;line-height:1.5}
.lead{max-width:32em;font-size:clamp(15px,1.5vw,17px);color:#C9CEDB;margin:0 0 36px}
.btns,.btn-row{display:flex;flex-wrap:wrap;gap:14px}
.btn{
  display:inline-flex;align-items:center;gap:12px;min-height:52px;padding:0 28px;border-radius:999px;
  font-weight:700;font-size:15px;letter-spacing:.06em;text-decoration:none;cursor:pointer;
  transition:transform .25s,box-shadow .25s,background .25s,border-color .25s;
}
.btn.primary{background:linear-gradient(100deg,var(--amber),var(--coral));color:var(--on-accent);box-shadow:0 8px 32px -8px var(--glow)}
.btn.primary:hover{box-shadow:0 12px 40px -6px rgba(255,140,90,.55);transform:translateY(-2px)}
.btn.ghost{border:1px solid var(--line);color:var(--text);background:var(--surface)}
.btn.ghost:hover{border-color:var(--amber);background:var(--surface-strong)}
.btn svg{width:18px;height:18px;flex:none}

/* Sections */
section.block{padding:clamp(72px,10vw,128px) 0;position:relative}
section.block + section.block{border-top:1px solid var(--line-soft)}
.sec-label{font-family:var(--font-en);font-size:13px;letter-spacing:.26em;text-transform:uppercase;color:var(--amber);display:flex;align-items:center;gap:14px;margin:0 0 18px}
.sec-label span{color:var(--muted)}
h2{margin:0 0 26px;font-weight:700;font-size:clamp(26px,3.8vw,42px);line-height:1.5;letter-spacing:.03em}
.glass,.card,.contact,.callout,.toc{
  background:var(--surface);border:1px solid var(--line);border-radius:20px;
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 24px 60px -30px rgba(0,0,0,.7);
}

/* Mission */
.mission{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(32px,6vw,88px);align-items:start}
.mission p{margin:0 0 1.4em;color:var(--body)}
.mission p:last-child{margin-bottom:0}
.mission .hl{color:var(--text);font-weight:500}
.mission-lead{position:sticky;top:110px}
.quote-en{font-family:var(--font-en);font-size:clamp(17px,2vw,21px);color:var(--amber);letter-spacing:.03em;line-height:1.6;margin:0;padding-left:18px;border-left:2px solid var(--amber)}

/* What we do */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px;list-style:none;padding:0}
.card{padding:32px 28px 36px;position:relative;overflow:hidden;transition:border-color .3s,transform .3s}
.card::before{content:"";position:absolute;width:220px;height:220px;right:-90px;top:-90px;border-radius:50%;background:radial-gradient(circle,rgba(255,150,90,.22),transparent 65%);transition:opacity .3s;opacity:.6;pointer-events:none}
.card:hover{border-color:rgba(255,180,94,.45);transform:translateY(-4px)}
.card:hover::before{opacity:1}
.card .ico{width:48px;height:48px;border-radius:14px;border:1px solid rgba(255,180,94,.35);display:grid;place-items:center;color:var(--amber);margin-bottom:26px;background:rgba(255,160,90,.07)}
.card .ico svg{width:24px;height:24px}
.card h3{margin:0 0 12px;font-size:19px;line-height:1.6;font-weight:700;letter-spacing:.03em}
.card p{margin:0;color:var(--muted);font-size:15px;line-height:1.9}

/* Values */
.values{display:grid;grid-template-columns:repeat(2,1fr);gap:0;margin-top:44px;list-style:none;padding:0;border-top:1px solid var(--line)}
.values li{padding:30px 0 30px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:64px 1fr;gap:6px 8px}
.values li:nth-child(odd){padding-right:clamp(16px,4vw,56px)}
.values li:nth-child(even){padding-left:clamp(16px,4vw,56px);border-left:1px solid var(--line)}
.values .num{font-family:var(--font-en);font-size:15px;letter-spacing:.14em;color:var(--amber);grid-row:span 2;padding-top:4px}
.values h3{margin:0;font-size:20px;line-height:1.6;font-weight:700}
.values p{margin:0;color:var(--muted);font-size:15px;line-height:1.9}

/* Contact */
.contact{padding:clamp(36px,6vw,72px);text-align:center;position:relative;overflow:hidden}
.contact::before{content:"";position:absolute;left:50%;top:-40%;width:760px;height:760px;transform:translateX(-50%);background:radial-gradient(circle,rgba(255,150,90,.16),transparent 62%);pointer-events:none}
.contact > *{position:relative}
.contact h2{margin-bottom:18px}
.contact p{margin:0 auto 34px;max-width:30em;color:var(--body)}
.contact p.meta{margin:28px auto 0;font-size:14px;color:var(--muted)}
.contact .btn-row{justify-content:center}
.mail{font-family:var(--font-en);font-size:clamp(15px,3.9vw,22px);letter-spacing:.02em;padding:0 clamp(18px,4vw,34px);max-width:100%}
.contact a.mail:not(.btn){display:inline-block;margin:0 0 28px;padding:0;color:var(--amber);text-decoration:none;border-bottom:1px solid rgba(255,180,94,.4)}

/* Footer */
footer.site{border-top:1px solid var(--line-soft);padding:36px 0 44px}
.foot{display:flex;flex-wrap:wrap;gap:16px 32px;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}
.foot ul{display:flex;gap:6px 24px;flex-wrap:wrap;list-style:none;margin:0;padding:0}
.foot a{display:inline-flex;align-items:center;min-height:44px;text-decoration:none}
.foot a:hover{color:var(--amber)}
.foot .copy{font-family:var(--font-en);letter-spacing:.06em}

/* Reveal（JS が有効なときだけ隠す） */
.js .rv{opacity:0;transform:translateY(18px);transition:opacity .8s ease,transform .8s ease}
.js .rv.in{opacity:1;transform:none}
.js .rv.d1{transition-delay:80ms}
.js .rv.d2{transition-delay:160ms}

/* ---------- Sub pages ---------- */
.page-head{padding:calc(68px + clamp(40px,7vw,80px)) 0 clamp(28px,4vw,44px);border-bottom:1px solid var(--line-soft)}
.page-head .eyebrow{margin-bottom:16px}
.page-head h1{font-size:clamp(28px,4.6vw,46px);line-height:1.4;margin-bottom:16px}
.page-head p{margin:0 0 12px;color:var(--body);max-width:var(--doc)}
.page-head .meta{color:var(--muted);font-size:14px}
.crumbs{margin:0 0 22px;font-size:13px;color:var(--muted)}
.crumbs ol{display:flex;flex-wrap:wrap;gap:2px 0;list-style:none;margin:0;padding:0}
.crumbs li + li::before{content:"/";margin:0 .7em;color:var(--line)}
.crumbs a{display:inline-flex;align-items:center;min-height:32px;color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--amber)}
.crumbs [aria-current="page"]{color:var(--body)}
.lang-switch{margin:4px 0 0}
.lang-switch a{display:inline-flex;align-items:center;min-height:44px;color:var(--amber);font-size:14px}

.section{padding:clamp(48px,7vw,88px) 0;position:relative}
.section + .section{border-top:1px solid var(--line-soft)}
.section-head{margin-bottom:32px}
.section-head h2{font-size:clamp(24px,3.2vw,34px);margin-bottom:14px}
.section-head p{margin:0;color:var(--body);max-width:var(--doc)}
.section .btn-row{margin-top:36px}
.section-head .eyebrow{margin-bottom:14px}

/* Long-form documents */
.doc{padding:clamp(36px,5vw,64px) 0 clamp(72px,9vw,120px)}
.doc-body,.faq,.prose{max-width:var(--doc);word-break:normal}
.doc-body{color:var(--body);line-height:2}
.doc-body p{margin:0 0 1.2em}
.doc-body h2{font-size:clamp(20px,2.4vw,24px);line-height:1.6;margin:2.8em 0 .9em;padding-top:1.4em;border-top:1px solid var(--line)}
.doc-body h3{font-size:18px;line-height:1.7;margin:2em 0 .6em;color:var(--text)}
.doc-body ul,.doc-body ol{margin:0 0 1.4em;padding-left:1.6em}
.doc-body li{margin:.35em 0}
.doc-body li::marker{color:var(--amber)}
.doc-body strong{color:var(--text);font-weight:700}
.doc-body a,.faq a,.page-head p a,.contact p a,.section-head a,.prose a{color:var(--amber);text-decoration:underline;text-underline-offset:.2em;text-decoration-thickness:1px}
.doc-body a:hover,.faq a:hover,.contact p a:hover{text-decoration-thickness:2px}
.doc-body > .callout + h2,.doc-body > .toc + h2{margin-top:2.4em}
.doc-body > h2:first-child{margin-top:0;padding-top:0;border-top:0}
.doc-body time{font-variant-numeric:tabular-nums}

.callout{padding:22px 26px;border-left:3px solid var(--amber);margin:2em 0}
.callout h2,.doc-body .callout h2{font-size:17px;line-height:1.6;margin:0 0 10px;padding:0;border:0;color:var(--amber)}
.callout ul{margin:0;padding-left:1.4em}
.callout p:last-child,.callout ul:last-child{margin-bottom:0}
.callout.note{border-left-color:var(--coral);background:rgba(255,122,89,.07)}
.callout.note h2,.doc-body .callout.note h2{color:var(--coral)}
.prose.callout{max-width:none}

.toc{padding:20px 26px;max-width:var(--doc)}
.toc h2,.doc-body .toc h2{font-family:var(--font-en);font-size:13px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin:0 0 8px;padding:0;border:0}
.toc ol{margin:0;padding-left:1.8em;font-size:15px;columns:1}
.toc li{margin:0;line-height:1.9}
.toc a{color:var(--body);text-decoration:none}
.toc a:hover{color:var(--amber);text-decoration:underline}
@media (min-width:720px){.toc ol{columns:2;column-gap:40px}}

/* spec (definition list) */
.spec{margin:1.6em 0;border-top:1px solid var(--line)}
.spec > div{display:grid;grid-template-columns:1fr;gap:4px;padding:16px 0;border-bottom:1px solid var(--line)}
.spec dt{font-family:var(--font-en);font-size:13px;letter-spacing:.12em;color:var(--muted);font-weight:500}
.spec dd{margin:0;color:var(--text)}
.spec dd ul{margin:0;padding-left:1.3em}
.spec dd li{margin:.2em 0}
.spec dd a{color:var(--amber);text-underline-offset:.2em}
@media (min-width:720px){.spec > div{grid-template-columns:200px 1fr;gap:24px}}
.company-spec{max-width:860px;margin-top:0}

/* data table */
.data-table{width:100%;border-collapse:separate;border-spacing:0;margin:1.4em 0 2em;font-size:15px;line-height:1.8;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--surface)}
.data-table th,.data-table td{text-align:left;vertical-align:top;padding:14px 16px;border-bottom:1px solid var(--line);border-right:1px solid var(--line-soft)}
.data-table th:last-child,.data-table td:last-child{border-right:0}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table thead th{background:var(--surface-strong);color:var(--text);font-weight:700;white-space:nowrap}
.data-table caption{text-align:left;font-size:14px;color:var(--muted);padding:0 0 10px;caption-side:top}
@media (max-width:719px){
  .data-table{border:0;background:none;border-radius:0}
  .data-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
  .data-table,.data-table tbody,.data-table tr,.data-table td{display:block;width:100%}
  .data-table tr{margin-bottom:16px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--surface)}
  .data-table td{border:0;border-bottom:1px solid var(--line-soft);padding:10px 14px}
  .data-table tbody tr:last-child td{border-bottom:1px solid var(--line-soft)}
  .data-table td:last-child{border-bottom:0!important}
  .data-table td::before{content:attr(data-label);display:block;font-size:12px;font-weight:700;color:var(--amber);letter-spacing:.06em}
}

/* FAQ */
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px}
.faq details + details{margin-top:12px}
.faq details[open]{border-color:rgba(255,180,94,.35)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:12px 20px;cursor:pointer;font-weight:700;list-style:none;line-height:1.7}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:10px;height:10px;margin-right:4px;border-right:2px solid var(--amber);border-bottom:2px solid var(--amber);transform:rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq .answer{padding:0 20px 20px;color:var(--body)}
.faq .answer p{margin:0 0 1em;line-height:1.95}
.faq .answer p:last-child{margin-bottom:0}

/* mamorin top */
.page-hero{padding:calc(68px + clamp(40px,7vw,88px)) 0 clamp(48px,7vw,88px)}
.hero-grid{display:grid;gap:40px;align-items:center}
@media (min-width:860px){.hero-grid{grid-template-columns:1fr 1.05fr;gap:64px}}
.page-hero h1{font-size:clamp(32px,5.2vw,56px)}
.frame{margin:0;padding:10px;border:1px solid var(--line);border-radius:28px;background:var(--surface);box-shadow:0 24px 60px -30px rgba(0,0,0,.7)}
.frame img{display:block;width:100%;border-radius:20px}
.store{display:inline-flex;flex-direction:column;justify-content:center;align-items:flex-start;min-height:56px;padding:6px 22px;border-radius:14px;background:var(--surface);color:var(--muted);border:1px dashed var(--line);line-height:1.4}
.store small{font-size:12px;letter-spacing:.08em}
.store b{font-size:17px;color:var(--text)}
.steps{list-style:none;padding:0;margin:0;counter-reset:s;display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr))}
.steps li{counter-increment:s;margin:0;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:26px}
.steps li::before{content:counter(s,decimal-leading-zero);display:block;font-family:var(--font-en);font-size:15px;letter-spacing:.14em;color:var(--amber);margin-bottom:10px}
.steps h3{margin:0 0 6px;font-size:18px;line-height:1.6}
.steps p{margin:0;color:var(--muted);font-size:15px;line-height:1.9}
.section .cards{margin-top:0}

/* 404 */
.notfound{padding:calc(68px + clamp(56px,10vw,120px)) var(--gutter) clamp(72px,10vw,120px);min-height:70vh}
.notfound .code{font-family:var(--font-en);font-weight:700;font-size:clamp(72px,16vw,160px);line-height:1;margin:0 0 12px;background:linear-gradient(100deg,var(--amber),var(--coral));-webkit-background-clip:text;background-clip:text;color:transparent}
.notfound h1{font-size:clamp(26px,4vw,40px)}
.notfound p{color:var(--body);max-width:32em;margin:0 0 32px}

@media (max-width:900px){
  .cards{grid-template-columns:1fr}
  .mission{grid-template-columns:1fr}
  .mission-lead{position:static}
}
@media (max-width:820px){
  .menu-btn{display:inline-flex}
  header.site nav{position:absolute;left:0;right:0;top:68px;background:rgba(7,11,20,.96);border-bottom:1px solid var(--line);padding:8px var(--gutter) 16px;display:none}
  header.site nav.open{display:block}
  header.site nav ul{flex-direction:column;gap:0}
  header.site nav a{width:100%;font-size:16px;border-radius:10px}
  .hero::after{background:linear-gradient(0deg,rgba(7,11,20,.55),rgba(7,11,20,.55)),linear-gradient(0deg,var(--bg) 0%,transparent 18%)}
  .values{grid-template-columns:1fr}
  .values li:nth-child(odd),.values li:nth-child(even){padding-left:0;padding-right:0;border-left:0}
}
@media (max-width:480px){
  .hero{min-height:620px}
  .btn{width:100%;justify-content:center}
  .values li{grid-template-columns:48px 1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition-duration:.01ms!important;animation-duration:.01ms!important}
  .js .rv{opacity:1;transform:none}
}
@media print{
  header.site,footer.site,.skip,.toc,.lang-switch{display:none}
  body{background:#fff;color:#000}
  body::before{display:none}
  .doc-body,.doc-body p,.doc-body strong,h1,h2,h3{color:#000}
  .page-head{padding-top:0}
}

/* misc */
.section .meta{color:var(--muted);font-size:14px;margin:28px 0 0}
.section .meta a{color:var(--amber);text-underline-offset:.2em}
.page-hero .lead,.section .card p,.steps p,.section-head p,.callout p,.contact p,.page-head p{word-break:normal}