/* =========================================================================
   Cyber Security International — Design System
   Light × Minimal × Premium, tech-forward.
   Three tones, switched via [data-theme]:
     atlas  — Cobalt editorial (王道・信頼)
     pulse  — Teal tech (先進・テクノロジー)
     aria   — Indigo mincho (上質・編集的)
   ========================================================================= */

/* ---- Reset ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{min-height:100%;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
ul{list-style:none}
::selection{background:var(--accent);color:#fff}

/* =========================================================================
   THEME TOKENS
   ========================================================================= */
:root,[data-theme="atlas"]{
  --paper:#F4F6FA;
  --surface:#FFFFFF;
  --panel:#E8EDF5;
  --ink:#0A1A3E;
  --ink-soft:#22304F;
  --muted:#586079;
  --faint:#8B92A6;
  --line:rgba(10,26,62,.14);
  --line-soft:rgba(10,26,62,.07);
  --accent:#1E63EF;
  --accent-2:#0E3FB0;
  --accent-soft:#E5EDFE;
  --accent-ink:#fff;
  --font-display:"Zen Kaku Gothic New",sans-serif;
  --font-body:"Zen Kaku Gothic New",sans-serif;
  --font-mono:"Space Mono",monospace;
  --display-weight:700;
  --display-spacing:-0.01em;
  --display-line:1.18;
}
[data-theme="pulse"]{
  --paper:#EEF2F8;
  --surface:#FFFFFF;
  --panel:#E2E8F3;
  --ink:#08122B;
  --ink-soft:#1C2A47;
  --muted:#525C73;
  --faint:#838CA3;
  --line:rgba(8,18,43,.13);
  --line-soft:rgba(8,18,43,.06);
  --accent:#2563EB;
  --accent-2:#1140A8;
  --accent-soft:#E0E9FD;
  --accent-ink:#fff;
  --font-display:"Archivo",sans-serif;
  --font-body:"Zen Kaku Gothic New",sans-serif;
  --font-mono:"Space Mono",monospace;
  --display-weight:700;
  --display-spacing:-0.02em;
  --display-line:1.12;
}
[data-theme="aria"]{
  --paper:#F2EFE9;
  --surface:#FBFAF6;
  --panel:#E7E2D8;
  --ink:#0C1A38;
  --ink-soft:#26334F;
  --muted:#5C5F6B;
  --faint:#8B8B92;
  --line:rgba(12,26,56,.14);
  --line-soft:rgba(12,26,56,.07);
  --accent:#1B4FC4;
  --accent-2:#0E3286;
  --accent-soft:#E6ECF9;
  --accent-ink:#fff;
  --font-display:"Zen Old Mincho",serif;
  --font-body:"Zen Kaku Gothic New",sans-serif;
  --font-mono:"Space Mono",monospace;
  --display-weight:600;
  --display-spacing:0.005em;
  --display-line:1.24;
}

/* =========================================================================
   BASE
   ========================================================================= */
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  font-weight:400;
  overflow-x:hidden;
}
.wrap{max-width:1240px;margin:0 auto;padding:0 40px}
@media(max-width:720px){.wrap{padding:0 22px}}

.eyebrow{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--accent);
  font-weight:700;
}
.eyebrow.muted{color:var(--faint)}

.h-display{
  font-family:var(--font-display);
  font-weight:var(--display-weight);
  letter-spacing:var(--display-spacing);
  line-height:var(--display-line);
  text-wrap:pretty;
  word-break:keep-all;
  overflow-wrap:normal;
  line-break:strict;
}
.lead{color:var(--muted);font-size:clamp(15px,1.15vw,18px);line-height:1.85;text-wrap:pretty}

.section{padding:clamp(80px,11vw,150px) 0;position:relative}
.section-head{max-width:760px}
.section-num{font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;color:var(--faint)}
.nowrap{white-space:nowrap}

/* divider hairline */
.rule{height:1px;background:var(--line);width:100%}

/* buttons */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  height:52px;padding:0 26px;border-radius:2px;
  font-size:14.5px;font-weight:500;letter-spacing:.01em;
  transition:transform .35s cubic-bezier(.2,.7,.2,1),background .35s,color .35s,box-shadow .35s;
  position:relative;white-space:nowrap;
}
.btn .arr{transition:transform .4s cubic-bezier(.2,.7,.2,1)}
.btn:hover .arr{transform:translateX(4px)}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--accent);box-shadow:0 14px 30px -12px var(--accent)}
.btn-ghost{border:1px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);background:var(--ink);color:#fff}

/* =========================================================================
   HEADER
   ========================================================================= */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  transition:background .4s,border-color .4s,backdrop-filter .4s;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:color-mix(in srgb,var(--paper) 82%,transparent);
  backdrop-filter:blur(14px) saturate(1.3);
  border-bottom:1px solid var(--line-soft);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:78px}
.brand{display:flex;align-items:center;gap:13px}
.brand-logo{height:30px;width:auto;display:block}
.brand-mark{
  width:34px;height:34px;border-radius:3px;
  display:grid;place-items:center;flex:0 0 auto;
  background:var(--ink);color:#fff;position:relative;overflow:hidden;
}
.brand-mark span{font-family:var(--font-mono);font-weight:700;font-size:13px;letter-spacing:.02em;z-index:1}
.brand-mark::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,transparent 40%,var(--accent) 140%);opacity:.9}
.brand-name{font-weight:700;font-size:15px;letter-spacing:.02em;white-space:nowrap}
.brand-name b{font-weight:700}
.brand-sub{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.18em;color:var(--faint);text-transform:uppercase}
.nav{display:flex;align-items:center;gap:30px}
.nav a{font-size:13.5px;color:var(--ink-soft);position:relative;transition:color .25s}
.nav a::after{content:"";position:absolute;left:0;bottom:-6px;height:1px;width:0;background:var(--accent);transition:width .3s cubic-bezier(.2,.7,.2,1)}
.nav a:hover{color:var(--ink)}
.nav a:hover::after{width:100%}
.header-cta{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:500;padding:10px 18px;border:1px solid var(--line);border-radius:2px;transition:.3s}
.header-cta:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.nav-toggle{display:none;width:44px;height:44px;place-items:center;grid-auto-flow:column;gap:9px;border-radius:3px;transition:background .25s}
.nav-toggle:hover{background:var(--line-soft)}
.nt-label{font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;color:var(--ink-soft)}
.nt-bars{position:relative;width:20px;height:14px;display:block}
.nt-bars span{position:absolute;left:0;width:100%;height:1.8px;background:var(--ink);border-radius:2px;transition:transform .35s cubic-bezier(.2,.7,.2,1),opacity .25s}
.nt-bars span:nth-child(1){top:2px}
.nt-bars span:nth-child(2){bottom:2px}
body.menu-open .nt-bars span:nth-child(1){top:6px;transform:rotate(45deg)}
body.menu-open .nt-bars span:nth-child(2){bottom:6px;transform:rotate(-45deg)}

/* mobile menu panel */
.mobile-menu{
  position:fixed;top:0;left:0;right:0;z-index:75;
  background:color-mix(in srgb,var(--paper) 96%,transparent);
  backdrop-filter:blur(18px) saturate(1.3);
  border-bottom:1px solid var(--line);
  padding:96px 0 34px;
  transform:translateY(-100%);
  opacity:0;visibility:hidden;pointer-events:none;
  transition:transform .5s cubic-bezier(.2,.7,.2,1),opacity .4s,visibility .4s;
}
body.menu-open .mobile-menu{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}
.mm-nav{display:flex;flex-direction:column;max-width:1240px;margin:0 auto;padding:0 22px}
.mm-nav a{
  display:flex;align-items:baseline;gap:18px;
  padding:18px 4px;border-bottom:1px solid var(--line-soft);
  font-family:var(--font-display);font-weight:var(--display-weight);font-size:24px;letter-spacing:var(--display-spacing);color:var(--ink);
  transition:color .25s,padding-left .3s;
}
.mm-nav a:hover{color:var(--accent);padding-left:12px}
.mm-i{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--accent);font-weight:700}
.mm-cta{
  display:flex;align-items:center;justify-content:center;gap:10px;
  margin:26px 22px 0;height:54px;border-radius:2px;background:var(--ink);color:#fff;
  font-size:15px;font-weight:500;transition:background .3s;
}
.mm-cta:hover{background:var(--accent)}

@media(max-width:980px){
  .nav,.header-cta{display:none}
  .nav-toggle{display:grid}
}

/* =========================================================================
   HERO
   ========================================================================= */
.hero{position:relative;padding-top:150px;padding-bottom:clamp(70px,9vw,120px);overflow:hidden}
.hero-grid{position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.5}
.hero-inner{position:relative;z-index:2}
.hero-eyebrow{display:inline-flex;align-items:center;gap:12px;margin-bottom:34px}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.hero h1{
  font-family:var(--font-display);font-weight:var(--display-weight);
  font-size:clamp(34px,5.6vw,80px);line-height:1.12;letter-spacing:var(--display-spacing);
  max-width:16ch;text-wrap:pretty;word-break:keep-all;overflow-wrap:normal;line-break:strict;
}
[data-theme="aria"] .hero h1{line-height:1.22}
.hero h1 .accent{color:var(--accent)}
.hero-sub{margin-top:34px;max-width:54ch;color:var(--muted);font-size:clamp(15px,1.2vw,18.5px);line-height:1.85}
.hero-cta{display:flex;gap:14px;margin-top:44px;flex-wrap:wrap}
.hero-meta{display:flex;gap:38px;margin-top:64px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:30px}
.hero-meta .item{max-width:240px}
.hero-meta .k{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--accent);text-transform:uppercase}
.hero-meta .v{margin-top:9px;font-size:13.5px;color:var(--muted);line-height:1.6}

/* decorative orbit (tech) */
.hero-deco{position:absolute;right:-60px;top:90px;width:540px;height:540px;z-index:1;pointer-events:none;opacity:.85}
@media(max-width:1100px){.hero-deco{opacity:.35;right:-180px}}
@media(max-width:760px){.hero-deco{display:none}}

/* =========================================================================
   THESIS BAND
   ========================================================================= */
.thesis{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.thesis .wrap{position:relative;z-index:2}
.thesis::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,color-mix(in srgb,var(--accent) 40%,transparent),transparent 55%);opacity:.55}
.thesis .eyebrow{color:color-mix(in srgb,var(--accent) 60%,#fff)}
.thesis h2{font-family:var(--font-display);font-weight:var(--display-weight);font-size:clamp(26px,3.4vw,46px);line-height:1.3;letter-spacing:var(--display-spacing);max-width:24ch;margin-top:26px;color:#fff;text-wrap:pretty;word-break:keep-all;overflow-wrap:normal;line-break:strict}
.thesis h2 em{font-style:normal;color:color-mix(in srgb,var(--accent) 55%,#fff)}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:64px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12)}
.pillar{background:var(--ink);padding:38px 34px}
.pillar .p-k{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:color-mix(in srgb,var(--accent) 55%,#fff)}
.pillar .p-t{margin-top:18px;font-size:20px;font-weight:700;color:#fff}
.pillar .p-d{margin-top:12px;font-size:14px;color:rgba(255,255,255,.62);line-height:1.7}
@media(max-width:760px){.pillars{grid-template-columns:1fr}}

/* =========================================================================
   WHY NOW
   ========================================================================= */
.whynow .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:70px;border-top:1px solid var(--line)}
.challenge{padding:42px 34px 42px 0;border-right:1px solid var(--line);position:relative}
.challenge:last-child{border-right:none;padding-right:0}
.challenge .c-num{font-family:var(--font-mono);font-size:13px;color:var(--accent);letter-spacing:.1em}
.challenge .c-t{margin-top:24px;font-size:19px;font-weight:700;line-height:1.5}
.challenge .c-d{margin-top:16px;font-size:14px;color:var(--muted);line-height:1.78}
@media(max-width:860px){.whynow .grid{grid-template-columns:1fr}.challenge{border-right:none;border-bottom:1px solid var(--line);padding:34px 0}}
.mission{margin-top:0;background:var(--panel)}
.mission .wrap{display:grid;grid-template-columns:auto 1fr;gap:48px;align-items:start}
.mission .eyebrow{padding-top:6px}
.mission h3{font-family:var(--font-display);font-weight:var(--display-weight);font-size:clamp(24px,3vw,40px);line-height:1.34;letter-spacing:var(--display-spacing);max-width:24ch;text-wrap:pretty;word-break:keep-all;overflow-wrap:normal;line-break:strict}
.mission h3 .accent{color:var(--accent)}
@media(max-width:760px){.mission .wrap{grid-template-columns:1fr;gap:20px}}

/* =========================================================================
   SERVICES
   ========================================================================= */
.services .svc-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:64px}
@media(max-width:860px){.services .svc-grid{grid-template-columns:1fr}}
.svc-card{
  background:var(--surface);border:1px solid var(--line);border-radius:4px;
  padding:44px 40px;position:relative;overflow:hidden;
  transition:transform .5s cubic-bezier(.2,.7,.2,1),box-shadow .5s,border-color .5s;
}
.svc-card::before{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:var(--accent);transition:width .6s cubic-bezier(.2,.7,.2,1)}
.svc-card:hover{transform:translateY(-4px);box-shadow:0 30px 60px -34px rgba(20,22,28,.4);border-color:transparent}
.svc-card:hover::before{width:100%}
.svc-k{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent)}
.svc-icon{width:46px;height:46px;margin-bottom:30px}
.svc-t{margin-top:18px;font-family:var(--font-display);font-weight:var(--display-weight);font-size:26px;letter-spacing:var(--display-spacing)}
.svc-d{margin-top:16px;color:var(--muted);font-size:14.5px;line-height:1.8;max-width:38ch}
.svc-list{margin-top:30px;display:grid;grid-template-columns:1fr 1fr;gap:13px 24px}
.svc-list li{display:flex;gap:11px;align-items:baseline;font-size:14px;color:var(--ink-soft)}
.svc-list li::before{content:"";width:5px;height:5px;border-radius:1px;background:var(--accent);flex:0 0 auto;transform:translateY(-2px)}
@media(max-width:520px){.svc-list{grid-template-columns:1fr}}

.difference{margin-top:24px;background:var(--ink);color:#fff;border-radius:4px;padding:54px 48px;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;position:relative;overflow:hidden}
.difference::after{content:"";position:absolute;right:-10%;top:-50%;width:60%;height:200%;background:radial-gradient(circle,color-mix(in srgb,var(--accent) 45%,transparent),transparent 60%);opacity:.5}
.difference h3{position:relative;z-index:2;font-family:var(--font-display);font-weight:var(--display-weight);font-size:clamp(22px,2.6vw,34px);line-height:1.4;letter-spacing:var(--display-spacing);color:#fff;max-width:22ch;text-wrap:pretty;word-break:keep-all;overflow-wrap:normal;line-break:strict}
.difference h3 em{font-style:normal;color:color-mix(in srgb,var(--accent) 55%,#fff)}
.difference .d-side{position:relative;z-index:2;font-size:14px;color:rgba(255,255,255,.62);line-height:1.8;max-width:30ch}
@media(max-width:760px){.difference{grid-template-columns:1fr;padding:38px 30px}}

/* =========================================================================
   PROCESS
   ========================================================================= */
.process .proc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:70px;border-top:1px solid var(--ink)}
.proc-step{padding:34px 30px 40px;border-left:1px solid var(--line);position:relative}
.proc-step:first-child{border-left:none;padding-left:0}
.proc-step:last-child{padding-right:0}
.proc-step .ps-rail{position:absolute;top:-1px;left:0;height:3px;width:0;background:var(--accent);transition:width .8s cubic-bezier(.2,.7,.2,1)}
.proc-step.in .ps-rail{width:60%}
.proc-step .ps-k{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.14em;color:var(--accent);text-transform:uppercase}
.proc-step .ps-t{margin-top:30px;font-size:20px;font-weight:700}
.proc-step .ps-d{margin-top:14px;font-size:13.5px;color:var(--muted);line-height:1.74}
@media(max-width:860px){.process .proc-grid{grid-template-columns:1fr 1fr}.proc-step{border-left:1px solid var(--line);border-bottom:1px solid var(--line);padding:30px 26px 32px}.proc-step:nth-child(odd){border-left:none;padding-left:0}.proc-step:nth-child(even){padding-right:0}}
@media(max-width:520px){.process .proc-grid{grid-template-columns:1fr}.proc-step{border-left:none;padding:28px 0 30px}}

/* =========================================================================
   USE CASES
   ========================================================================= */
.cases{background:var(--panel)}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:64px;background:var(--line);border:1px solid var(--line)}
.case{background:var(--paper);padding:38px 32px;transition:background .4s,transform .4s;position:relative}
.case:hover{background:var(--surface)}
.case .case-i{width:38px;height:38px;color:var(--accent);margin-bottom:26px}
.case .case-t{font-size:17px;font-weight:700;display:flex;align-items:center;gap:10px}
.case .case-d{margin-top:13px;font-size:13.5px;color:var(--muted);line-height:1.75}
.case .case-tag{font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;color:var(--faint);text-transform:uppercase}
@media(max-width:860px){.case-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.case-grid{grid-template-columns:1fr}}

/* =========================================================================
   REPRESENTATIVE
   ========================================================================= */
.profile .pf-top{display:block;margin-top:64px}
.profile .pf-bio{max-width:62ch}
.pf-portrait{position:relative;border-radius:4px;overflow:hidden;background:var(--panel);aspect-ratio:3/3.7;border:1px solid var(--line)}
.pf-portrait .ph{position:absolute;inset:0;display:grid;place-items:center;color:var(--faint);font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-align:center;text-transform:uppercase}
.pf-portrait .ph svg{width:54px;height:54px;margin:0 auto 14px;opacity:.5}
.pf-name{font-family:var(--font-display);font-weight:var(--display-weight);font-size:clamp(30px,3.6vw,46px);letter-spacing:var(--display-spacing)}
.pf-name .en{font-family:var(--font-mono);font-size:13px;letter-spacing:.16em;color:var(--faint);display:block;margin-top:10px;text-transform:uppercase}
.pf-bio{margin-top:24px;color:var(--muted);font-size:15px;line-height:1.9;max-width:52ch}
.career{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:48px;background:var(--line);border:1px solid var(--line)}
.career-item{background:var(--surface);padding:26px 22px}
.career-logo{height:30px;display:flex;align-items:center;font-weight:700;letter-spacing:.01em;color:var(--ink);font-size:15px}
.career-logo .mk{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--accent);text-transform:uppercase}
.career-k{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;color:var(--faint);text-transform:uppercase;margin-bottom:14px}
.career-d{margin-top:12px;font-size:12.5px;color:var(--muted);line-height:1.65}
@media(max-width:760px){.career{grid-template-columns:1fr 1fr}}
.articles{margin-top:0;display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line)}
.article{background:var(--surface);display:flex;align-items:center;gap:20px;padding:20px 26px;transition:background .3s}
.article:hover{background:var(--accent-soft)}
.article .a-src{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;color:var(--accent);text-transform:uppercase;flex:0 0 130px}
.article .a-t{font-size:14px;font-weight:500;flex:1}
.article .a-arr{color:var(--faint);transition:transform .3s}
.article:hover .a-arr{transform:translateX(4px);color:var(--accent)}
@media(max-width:640px){.article{flex-wrap:wrap;gap:6px}.article .a-src{flex-basis:100%}}

/* support banner -> social commitment block */
.commit{margin-top:56px;padding-top:48px;border-top:1px solid var(--line)}
.commit-head{max-width:760px;margin-bottom:28px}
.commit-eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);font-weight:700}
.commit-title{margin-top:16px;font-family:var(--font-display);font-weight:var(--display-weight);font-size:clamp(22px,2.6vw,32px);letter-spacing:var(--display-spacing);color:var(--ink)}
.commit-desc{margin-top:16px;font-size:14.5px;color:var(--muted);line-height:1.85;max-width:62ch}

/* =========================================================================
   COMPANY + CONTACT
   ========================================================================= */
.company{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.company::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 15% 90%,color-mix(in srgb,var(--accent) 38%,transparent),transparent 50%);opacity:.45}
.company .wrap{position:relative;z-index:2}
.company .cc-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:70px;margin-top:60px}
@media(max-width:860px){.company .cc-grid{grid-template-columns:1fr;gap:48px}}
.company .eyebrow{color:color-mix(in srgb,var(--accent) 55%,#fff)}
.company h2{color:#fff;font-family:var(--font-display);font-weight:var(--display-weight);font-size:clamp(26px,3.2vw,42px);letter-spacing:var(--display-spacing)}
.cc-col h4{font-size:13px;font-family:var(--font-mono);letter-spacing:.16em;text-transform:uppercase;color:color-mix(in srgb,var(--accent) 55%,#fff);margin-bottom:24px}
.info-row{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.info-row .k{font-size:12.5px;color:rgba(255,255,255,.5);font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase}
.info-row .v{font-size:14.5px;color:#fff;line-height:1.6}
.contact-themes{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0 30px}
.chip{font-size:12.5px;padding:8px 15px;border:1px solid rgba(255,255,255,.2);border-radius:100px;color:rgba(255,255,255,.85);transition:.3s}
.chip:hover{background:var(--accent);border-color:var(--accent)}
.contact-note{font-size:13px;color:rgba(255,255,255,.55);line-height:1.8;margin-top:22px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12)}
.contact-cta{margin-top:30px}
.contact-mail{display:inline-block;margin-top:22px;font-family:var(--font-mono);font-size:clamp(18px,2vw,24px);letter-spacing:.01em;color:#fff;border-bottom:1px solid color-mix(in srgb,var(--accent) 60%,#fff);padding-bottom:4px;transition:color .3s,border-color .3s}
.contact-mail:hover{color:color-mix(in srgb,var(--accent) 55%,#fff);border-color:#fff}
.contact-cta .btn-primary{background:var(--accent)}
.contact-cta .btn-primary:hover{background:#fff;color:var(--ink);box-shadow:0 14px 30px -12px rgba(0,0,0,.5)}

/* =========================================================================
   FOOTER
   ========================================================================= */
.site-footer{background:var(--paper);padding:54px 0 40px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer-brand{flex:0 0 auto;min-width:0}
.footer-logo{display:block;width:auto;height:32px;max-width:min(100%,320px);object-fit:contain}
.footer-nav{display:flex;gap:26px;flex-wrap:wrap}
.footer-nav a{font-size:13px;color:var(--muted);transition:color .25s}
.footer-nav a:hover{color:var(--accent)}
.footer-copy{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--faint);text-transform:uppercase}

/* =========================================================================
   MOBILE LAYOUT TUNING
   ========================================================================= */
@media(max-width:760px){
  .wrap{padding:0 20px}
  .site-header{overflow:clip}
  .header-inner{height:68px;gap:12px}
  .brand{min-width:0;flex:1 1 auto}
  .brand-logo{width:min(230px,calc(100vw - 108px));height:auto;max-width:100%}
  .nav-toggle{display:grid;flex:0 0 auto;width:auto;min-width:42px;height:42px;margin-left:auto;padding:0 8px 0 10px}
  .nt-label{display:block}
  .nt-bars{width:18px}
  .mm-nav{padding:0 20px}

  .section{padding:56px 0}
  .section-head{max-width:none}
  .h-display,
  .hero h1,
  .thesis h2,
  .mission h3,
  .difference h3,
  .company h2{
    max-width:100%;
    word-break:normal;
    overflow-wrap:break-word;
    line-break:loose;
    text-wrap:balance;
  }

  .hero{padding-top:92px;padding-bottom:52px}
  .hero-grid{opacity:.36}
  .hero-eyebrow{margin-bottom:18px;gap:8px;flex-wrap:wrap}
  .hero-eyebrow .eyebrow{font-size:10.5px;letter-spacing:.16em;line-height:1.55}
  .hero h1{font-size:clamp(24px,8.8vw,34px);line-height:1.22;max-width:none}
  .hero h1 br{display:none}
  .hero-sub{margin-top:18px;font-size:13.5px;line-height:1.78;max-width:none}
  .hero-cta{margin-top:28px;gap:10px;display:grid;grid-template-columns:1fr}
  .hero-cta .btn{width:100%;justify-content:center;height:50px;padding:0 18px}
  .hero-meta{margin-top:28px;gap:0;padding-top:18px;display:grid;grid-template-columns:1fr}
  .hero-meta .item{max-width:none;padding:16px 0;border-bottom:1px solid var(--line-soft)}
  .hero-meta .item:last-child{padding-bottom:0;border-bottom:none}
  .hero-meta .k{font-size:10.5px;letter-spacing:.14em}
  .hero-meta .v{margin-top:7px;font-size:13px;line-height:1.65}

  .thesis h2{max-width:100%;font-size:clamp(24px,8vw,32px);line-height:1.36}
  .pillars{margin-top:24px}
  .pillar{padding:24px 20px}
  .pillar .p-t{margin-top:14px;font-size:18px}
  .pillar .p-d{margin-top:10px;font-size:13.5px;line-height:1.72}

  .whynow .grid{margin-top:28px}
  .challenge{padding:22px 0}
  .challenge .c-num{font-size:11.5px}
  .challenge .c-t{margin-top:16px;font-size:18px;line-height:1.46}
  .challenge .c-t br{display:none}
  .challenge .c-d{margin-top:12px;font-size:13.5px;line-height:1.72}

  .mission .wrap{gap:12px}
  .mission h3{font-size:clamp(22px,7.4vw,30px);max-width:100%;line-height:1.4}

  .services .svc-grid{gap:14px;margin-top:30px}
  .svc-card{padding:24px 20px}
  .svc-icon{width:40px;height:40px;margin-bottom:22px}
  .svc-t{margin-top:10px;font-size:18px;line-height:1.34}
  .svc-d{margin-top:12px;font-size:13.5px;line-height:1.74}
  .svc-list{margin-top:18px;gap:10px}
  .svc-list li{font-size:13px;line-height:1.6}
  .difference{margin-top:14px;padding:24px 20px;gap:16px}
  .difference h3{max-width:none;font-size:22px;line-height:1.42}
  .difference .d-side{max-width:none;font-size:13.5px;line-height:1.72}

  .process .proc-grid{grid-template-columns:1fr;margin-top:24px;border-top:none}
  .proc-step,
  .proc-step:first-child,
  .proc-step:last-child,
  .proc-step:nth-child(odd),
  .proc-step:nth-child(even){padding:20px 0 22px;border-left:none;border-bottom:1px solid var(--line)}
  .proc-step .ps-rail{width:96px !important;height:2px;top:0}
  .proc-step .ps-t{margin-top:18px;font-size:18px;line-height:1.4}
  .proc-step .ps-d{margin-top:10px;font-size:13.5px;line-height:1.72}

  .case-grid{margin-top:30px}
  .case{padding:24px 20px}
  .case .case-t{font-size:16px;line-height:1.45;align-items:flex-start}
  .case .case-d{margin-top:11px;font-size:13.5px;line-height:1.72}

  .profile .pf-top{margin-top:30px}
  .pf-name{font-size:clamp(28px,8vw,36px);line-height:1.2}
  .pf-name .en{margin-top:8px;font-size:11px;letter-spacing:.12em;line-height:1.6}
  .pf-bio{margin-top:18px;font-size:14px;line-height:1.82}
  .career{margin-top:24px}
  .career-item{padding:22px 18px}
  .career-logo{height:auto;min-height:24px;font-size:14px;line-height:1.45}
  .career-d{font-size:12.5px;line-height:1.7}
  .commit{margin-top:32px;padding-top:28px}
  .commit-head{margin-bottom:20px}
  .commit-title{font-size:clamp(24px,7vw,30px);line-height:1.38}
  .commit-desc{font-size:13.5px;line-height:1.8}
  .article{padding:18px 18px 20px;align-items:flex-start}
  .article .a-src{font-size:10px;letter-spacing:.08em}
  .article .a-t{font-size:13.5px;line-height:1.65}
  .article .a-arr{margin-top:2px}

  .company .cc-grid{margin-top:28px;gap:28px}
  .cc-col h4{margin-bottom:18px;font-size:12px}
  .info-row{grid-template-columns:1fr;gap:8px;padding:15px 0}
  .info-row .k{font-size:11px;letter-spacing:.12em}
  .info-row .v{font-size:13.5px;line-height:1.72}
  .contact-themes{gap:8px;margin:12px 0 22px}
  .chip{font-size:11.5px;padding:7px 12px}
  .contact-cta{margin-top:22px}
  .contact-mail{margin-top:18px;font-size:16px;line-height:1.5;word-break:break-all}
  .contact-note{margin-top:18px;padding-top:18px;font-size:12.5px;line-height:1.75}

  .site-footer{padding:40px 0 34px}
  .footer-inner{align-items:flex-start;gap:18px}
  .footer-brand{width:100%}
  .footer-logo{height:28px;width:auto;max-width:100%}
  .footer-nav{gap:10px 18px}
  .footer-nav a{font-size:12.5px}
  .footer-copy{font-size:10.5px}
}

@media(max-width:520px){
  .wrap{padding:0 16px}
  .header-inner{height:64px}
  .brand-logo{width:min(205px,calc(100vw - 96px))}
  .nav-toggle{height:38px;padding:0 6px 0 8px}
  .nt-label{font-size:9.5px;letter-spacing:.14em}
  .mm-nav a{font-size:20px;padding:16px 2px}
  .mm-cta{margin:22px 16px 0;height:50px;font-size:14px}
  .hero{padding-top:86px;padding-bottom:48px}
  .hero h1{font-size:clamp(23px,8.3vw,30px)}
  .hero-sub{font-size:13px}
  .thesis h2{font-size:clamp(22px,7.8vw,28px)}
  .mission h3{font-size:clamp(21px,7vw,27px)}
  .svc-card,.case,.difference,.pillar{border-radius:2px}
  .career{grid-template-columns:1fr}
  .article{padding:16px 16px 18px}
  .company h2{font-size:clamp(24px,7.6vw,32px);line-height:1.34}
}

/* =========================================================================
   REVEAL ANIMATIONS
   ========================================================================= */
@media(prefers-reduced-motion:no-preference){
  .reveal{opacity:0;transform:translateY(26px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
  .reveal.in{opacity:1;transform:none}
  .reveal[data-delay="1"]{transition-delay:.08s}
  .reveal[data-delay="2"]{transition-delay:.16s}
  .reveal[data-delay="3"]{transition-delay:.24s}
  .reveal[data-delay="4"]{transition-delay:.32s}
  .reveal[data-delay="5"]{transition-delay:.40s}
}

/* anchor offset for fixed header */
section[id],footer[id]{scroll-margin-top:90px}

/* hero orbit motion */
@media(prefers-reduced-motion:no-preference){
  .orbit{transform-origin:270px 270px}
  .orbit-a{animation:spin 26s linear infinite}
  .orbit-b{animation:spin 40s linear infinite reverse}
  .orbit-c{animation:spin 18s linear infinite}
}
@keyframes spin{to{transform:rotate(360deg)}}

/* theme-specific motif tweaks */
[data-theme="aria"] .eyebrow,[data-theme="aria"] .svc-k,[data-theme="aria"] .pillar .p-k{letter-spacing:.18em}
[data-theme="pulse"] .btn-primary:hover{box-shadow:0 14px 34px -10px var(--accent)}
[data-theme="pulse"] .case .case-t,[data-theme="pulse"] .proc-step .ps-t{letter-spacing:-.01em}