/* ---------- tokens ---------- */
:root{
  --bg-0:#030614;  --bg-1:#0a0e27;  --panel:rgba(148,163,199,.055);
  --line:rgba(148,163,199,.16);     --text:#e9edf8;  --muted:#9aa7c7;
  --cyan:#22d3ee;  --blue:#4f7cff;  --violet:#8b5cf6;
  --green:#34d399; --orange:#fb923c;
  --grad: linear-gradient(115deg,#22d3ee,#4f7cff 45%,#8b5cf6);
  --grad-orange: linear-gradient(115deg,#fdba74,#fb923c 55%,#ea580c);
  --radius:16px;   --maxw:1160px;
  --ease:cubic-bezier(.22,1,.36,1);
  --header-h:68px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg-0);color:var(--text);overflow-x:hidden;
  font-family:'Noto Sans JP',-apple-system,BlinkMacSystemFont,'Hiragino Kaku Gothic ProN','Yu Gothic',sans-serif;
  font-weight:400;line-height:1.95;letter-spacing:.02em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
svg{display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,p,dl,dd,dt,figure{margin:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}

/* ---------- helpers ---------- */
.container{max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(20px,4vw,32px)}
.section{padding:clamp(88px,12vw,140px) 0;position:relative}
.section-tight{padding-bottom:clamp(60px,8vw,96px)}
.section-head h2{font-weight:900;font-size:clamp(28px,4vw,44px);line-height:1.3}
.section-desc{margin-top:14px;color:var(--muted);max-width:42em;font-size:15px}
.section-link{margin-top:40px}
.section-link a{font-weight:700;font-size:15px;border-bottom:1px solid var(--line);padding-bottom:2px;transition:border-color .4s var(--ease),color .4s var(--ease)}
.section-link a:hover{color:var(--cyan);border-color:var(--cyan)}

.font-mono{font-family:var(--mono)}
.font-en{font-family:'Space Grotesk','Noto Sans JP',sans-serif}

.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;margin:0 0 16px;color:var(--muted);display:flex;align-items:center}
.eyebrow-cyan{color:var(--cyan)}
.eyebrow-orange{color:var(--orange)}

.pill{display:inline-flex;align-items:center;padding:9px 18px;border-radius:999px;background:var(--panel);border:1px solid var(--line);font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}

.dot{width:7px;height:7px;border-radius:50%;display:inline-block;margin-right:9px;flex-shrink:0}
.dot-green{background:var(--green);box-shadow:0 0 9px 1px rgba(52,211,153,.7);animation:dotpulse 1.8s ease-in-out infinite}
@keyframes dotpulse{0%,100%{opacity:1}50%{opacity:.3}}

.grad-text{color:var(--cyan);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease) var(--d,0s),transform .7s var(--ease) var(--d,0s);will-change:opacity,transform}
.reveal.is-in{opacity:1;transform:translateY(0)}

/* grid/flex items default to min-width:auto, which lets long unbroken
   content (nowrap buttons, an inline-flex badge) inflate the item past its
   track/line width instead of wrapping — force them back down to the
   width the layout actually gives them so narrow viewports never clip. */
.hero-inner > *, .company-grid > *, .card-grid > *, .footer-top > *,
.sports-panel > *, .hero-cta, .hero-stats > *, .field-row > *{min-width:0}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 30px;border-radius:999px;font-weight:700;font-size:15px;letter-spacing:.01em;white-space:nowrap;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease),background-color .4s ease,border-color .4s ease,color .4s ease}
.btn-primary{background:var(--grad);color:#fff}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 34px -12px rgba(34,211,238,.55)}
.btn-primary .btn-arrow{transition:transform .5s var(--ease)}
.btn-primary:hover .btn-arrow{transform:translateX(4px)}
.btn-ghost{border:1px solid var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--cyan);background:rgba(34,211,238,.07);transform:translateY(-3px)}
.btn-outline{border:1px solid var(--line);color:var(--text);width:100%;justify-content:center}
.btn-outline:hover{border-color:var(--cyan);background:rgba(34,211,238,.07)}
.btn-orange{background:var(--grad-orange);color:#2a0f02}
.btn-orange:hover{transform:translateY(-3px);box-shadow:0 14px 34px -12px rgba(251,146,60,.55)}
.btn-lg{padding:19px 42px;font-size:16.5px}
@media (max-width:480px){
  .btn-lg{padding:16px 26px;font-size:clamp(13px,4.2vw,16.5px);white-space:normal;text-align:center;justify-content:center}
}
.btn-sm{padding:11px 22px;font-size:13.5px}

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;height:var(--header-h);z-index:100;display:flex;align-items:center;
  background:rgba(3,6,20,.5);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;transition:background-color .4s ease,border-color .4s ease}
.site-header.is-scrolled{background:rgba(3,6,20,.88);border-bottom-color:var(--line)}
.header-inner{width:100%;display:flex;align-items:center;justify-content:space-between}
.logo{display:inline-flex;align-items:center;gap:10px}
.logo-mark{flex-shrink:0}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-name{font-weight:700;font-size:15px}
.logo-en{font-family:'Space Grotesk',sans-serif;font-size:10.5px;letter-spacing:.16em;color:var(--muted)}

.nav-desktop{display:flex;align-items:center;gap:40px}
.nav-desktop ul{display:flex;align-items:center;gap:32px}
.nav-desktop a:not(.btn){font-size:14.5px;font-weight:500;color:var(--muted);position:relative;transition:color .3s ease}
.nav-desktop a:not(.btn)::after{content:'';position:absolute;left:0;right:100%;bottom:-6px;height:1px;background:var(--cyan);transition:right .35s var(--ease)}
.nav-desktop a:not(.btn):hover{color:var(--text)}
.nav-desktop a:not(.btn):hover::after{right:0}

.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;flex-shrink:0}
.hamburger span{display:block;width:22px;height:2px;background:var(--text);transition:transform .4s var(--ease),opacity .3s ease,background-color .3s ease;margin-inline:auto}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-menu{position:fixed;top:var(--header-h);left:0;right:0;bottom:0;z-index:90;background:var(--bg-0);
  display:flex;flex-direction:column;justify-content:center;padding:32px clamp(24px,7vw,56px);
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .4s var(--ease),transform .4s var(--ease),visibility 0s linear .4s}
.mobile-menu.is-open{opacity:1;visibility:visible;transform:translateY(0);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.mobile-menu ul{display:flex;flex-direction:column;gap:6px;margin-bottom:36px}
.mobile-menu a:not(.btn){display:block;padding:16px 4px;font-size:24px;font-weight:700;border-bottom:1px solid var(--line)}
body.menu-open{overflow:hidden}

@media (max-width:900px){
  .nav-desktop{display:none}
  .hamburger{display:flex}
}

.nav-desktop a[aria-current="page"],.mobile-menu a[aria-current="page"],.footer-nav a[aria-current="page"]{color:var(--text)}

/* ---------- page hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:calc(var(--header-h) + clamp(64px,10vw,110px)) 0 clamp(44px,7vw,72px);border-bottom:1px solid var(--line)}
.page-hero::before{content:'';position:absolute;inset:0;pointer-events:none;background:radial-gradient(560px 420px at 12% 0%, rgba(34,211,238,.06), transparent 62%),radial-gradient(640px 520px at 88% 100%, rgba(139,92,246,.07), transparent 62%),var(--bg-0)}
.page-hero-orange::before{background:radial-gradient(560px 420px at 12% 0%, rgba(251,146,60,.07), transparent 62%),radial-gradient(640px 520px at 88% 100%, rgba(234,88,12,.06), transparent 62%),var(--bg-0)}
.page-hero-grid{position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(148,163,199,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,199,.06) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse 85% 90% at 50% 0%,black 0%,transparent 80%);-webkit-mask-image:radial-gradient(ellipse 85% 90% at 50% 0%,black 0%,transparent 80%)}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--muted);display:flex;flex-wrap:wrap;gap:10px;margin:0 0 26px}
.breadcrumb a:hover{color:var(--cyan)}
.page-hero h1{font-weight:900;font-size:clamp(34px,5vw,56px);line-height:1.2;margin-top:14px}
.page-lead{margin-top:20px;color:var(--muted);max-width:44em;line-height:1.9}

.h1-u{display:inline-block}

/* ---------- services ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:52px}
@media (max-width:900px){.card-grid{grid-template-columns:1fr}}
.card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:34px 28px;
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  transition:transform .6s var(--ease),border-color .6s var(--ease),box-shadow .6s var(--ease)}
.card::before{content:'';position:absolute;inset:0;border-radius:inherit;padding:1px;background:var(--grad);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;
  opacity:0;transition:opacity .6s var(--ease);pointer-events:none}
.card:hover{transform:translateY(-4px);border-color:transparent;box-shadow:0 22px 44px -24px rgba(34,211,238,.35)}
.card:hover::before{opacity:1}
.card-num{display:block;font-family:'Space Grotesk',sans-serif;font-weight:700;color:var(--muted);font-size:14px;margin-bottom:22px}
.card-icon{display:inline-flex;color:var(--cyan);margin-bottom:18px}

/* ---------- illustrations ---------- */
.card-illust{display:block;width:100%;margin-bottom:20px;border-radius:10px;background:rgba(148,163,199,.05);border:1px solid var(--line);overflow:hidden}
.card-illust svg{display:block;width:100%;height:auto}
.arch-panel{margin-top:52px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(16px,3vw,34px);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);overflow-x:auto}
.arch-panel svg{display:block;width:100%;min-width:660px;height:auto}
.arch-caption{margin-top:16px;color:var(--muted);font-size:12px;text-align:center;font-family:var(--mono);letter-spacing:.08em}
@keyframes archflow{to{stroke-dashoffset:-26}}
.arch-flow{stroke-dasharray:5 8;animation:archflow 1.5s linear infinite}
@media (prefers-reduced-motion:reduce){.arch-flow{animation:none}}
.card h3{font-size:19px;font-weight:700;margin-bottom:14px;letter-spacing:.01em}
.card p{color:var(--muted);font-size:14.5px;line-height:1.85}

/* ---------- in-house practice ---------- */
.practice-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.practice-role{margin:0;max-width:100%;white-space:normal;line-height:1.6}
.practice-metrics{margin-top:44px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.practice-metric{min-width:0;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px}
.practice-metric dt{display:flex;align-items:baseline;justify-content:space-between;gap:14px}
.practice-value{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:clamp(28px,3.4vw,38px);line-height:1.2}
.practice-type{font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--muted);text-align:right}
.practice-metric dd{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:13px;line-height:1.75}
.practice-metric dd strong{display:block;margin-bottom:3px;color:var(--text);font-size:14.5px}
.practice-areas{margin-top:24px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(24px,4vw,36px)}
.practice-areas-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:22px;flex-wrap:wrap}
.practice-areas h3{font-size:17px;font-weight:700}
.practice-measured{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;color:var(--muted)}
.practice-area-list{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.practice-area-list li{position:relative;min-width:0;padding:13px 14px 13px 34px;border:1px solid var(--line);border-radius:9px;color:var(--muted);font-size:12.5px;line-height:1.65}
.practice-area-list li::before{content:'';position:absolute;left:15px;top:22px;width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px rgba(34,211,238,.65)}
@media (max-width:900px){
  .practice-metrics{grid-template-columns:1fr}
  .practice-area-list{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:520px){
  .practice-area-list{grid-template-columns:1fr}
}

/* ---------- tech stack (static grid) ---------- */
.chip{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;background:var(--panel);border:1px solid var(--line);font-family:var(--mono);font-size:13px;white-space:nowrap}
.chip-dot{width:5px;height:5px;border-radius:50%;background:var(--cyan);display:inline-block;flex-shrink:0}
.stack-group{margin-top:44px}
.stack-group + .stack-group{margin-top:36px}
.stack-group h3{font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--muted);margin-bottom:18px}
.chip-flex{display:flex;flex-wrap:wrap;gap:10px}
.chip-flex .chip{white-space:normal;max-width:100%;min-width:0}

/* ---------- fields ---------- */
.field-list{margin-top:20px;border-bottom:1px solid var(--line)}
.field-row{display:grid;grid-template-columns:56px 1fr 24px;align-items:center;gap:22px;padding:30px 6px;border-top:1px solid var(--line);transition:background-color .4s var(--ease)}
.field-row:hover{background:rgba(148,163,199,.045)}
.field-row:hover .field-arrow{transform:translateX(7px);color:var(--cyan)}
.field-num{font-family:var(--mono);color:var(--muted);font-size:14px}
.field-body h3{font-size:18px;font-weight:700;margin-bottom:8px}
.field-body p{color:var(--muted);font-size:14.5px}
.field-arrow{font-size:19px;color:var(--muted);transition:transform .4s var(--ease),color .4s var(--ease);justify-self:end}
@media (max-width:640px){
  .field-row{grid-template-columns:30px 1fr;gap:14px}
  .field-arrow{display:none}
}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:28px;padding:clamp(50px,8vw,92px) clamp(24px,6vw,48px);text-align:center;
  background:linear-gradient(160deg, rgba(34,211,238,.08), rgba(139,92,246,.08)), var(--panel);border:1px solid var(--line)}
.cta-band-grid{position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(148,163,199,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,199,.08) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse 80% 85% at 50% 50%, black 0%, transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 80% 85% at 50% 50%, black 0%, transparent 75%)}
.cta-band h2{position:relative;z-index:1;font-weight:900;font-size:clamp(26px,4vw,40px);line-height:1.35}
.cta-band p{position:relative;z-index:1;margin:20px auto 0;max-width:44em;color:var(--muted)}
.cta-band .btn{position:relative;z-index:1;margin-top:36px}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);padding-top:clamp(56px,8vw,80px)}
.footer-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:44px}
.footer-brand .logo{margin-bottom:16px}
.footer-address{color:var(--muted);font-size:13.5px;line-height:1.8}
.footer-nav ul{display:flex;flex-wrap:wrap;gap:16px 28px}
.footer-nav a{font-size:14px;color:var(--muted);transition:color .3s ease}
.footer-nav a:hover{color:var(--text)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;border-top:1px solid var(--line);padding-block:24px}
.footer-bottom p{font-size:12.5px;color:var(--muted)}
.page-top{font-family:var(--mono);font-size:12.5px;color:var(--muted);transition:color .3s ease}
.page-top:hover{color:var(--cyan)}

/* ---------- reduced motion (global safety net) ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1!important;transform:none!important;transition:none!important}
  .dot-green{animation:none}
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .dot-green{transition:none}
}

/* no-JS safety net: never ship a page that stays invisible without JavaScript */
noscript .reveal{opacity:1}


.reveal{opacity:1!important;transform:none!important}

/* Static migration overrides: no original JavaScript dependency. */
.reveal{opacity:1!important;transform:none!important;transition:none!important}
.term-line{width:auto!important;max-width:100%;white-space:normal;overflow:visible}
.term-card{animation:none;transform:none}.hero-canvas{display:none}
.site-header{background:rgba(3,6,20,.94);border-bottom:1px solid var(--line)}
.marquee-track{animation:none;flex-wrap:wrap;width:auto}.marquee{mask-image:none;-webkit-mask-image:none}
.chip-row{flex-wrap:wrap;max-width:100%;padding:0}.chip-row[aria-hidden="true"]{display:none}
.preview-note{margin:0 0 24px;padding:16px 20px;border:1px solid #bd9342;border-radius:12px;background:#271e0d;color:#f4dfa6;line-height:1.7}
.preview-form label{display:block;margin-top:22px;color:var(--text)}
.preview-form input,.preview-form textarea{display:block;width:100%;margin-top:8px;padding:12px 14px;background:#080d21;border:1px solid var(--line);border-radius:8px;color:var(--text);font:inherit}
.preview-form textarea{min-height:160px;resize:vertical}.preview-form button{margin-top:24px}
.preview-form [hidden]{display:none!important}
.contact-trap{position:absolute!important;left:-10000px;width:1px;height:1px;overflow:hidden}
.preview-form button:disabled{opacity:.55;cursor:not-allowed}.preview-form .required{color:var(--muted);font-size:12px}
@media(max-width:600px){.arch-panel svg{min-width:0}.mobile-menu{overflow-y:auto}.chip{white-space:normal}}