/* GCN Tanigawa - static presentation layer */
:root{--navy:#071a35;--blue:#0d4d92;--accent:#3b82f6;--ink:#172033;--muted:#637087;--line:#dbe3ee;--surface:#fff;--soft:#f4f7fb;--good:#16744a;--danger:#b42318;--shadow:0 14px 40px rgba(16,35,60,.08);--radius:22px;--max:1180px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#f7f9fc;line-height:1.55}a{color:inherit}button,input{font:inherit}.container{width:min(calc(100% - 32px),var(--max));margin-inline:auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(7,26,53,.96);border-bottom:1px solid rgba(255,255,255,.08);backdrop-filter:blur(12px);color:#fff}.header-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--blue));font-weight:900}.brand small,.brand strong{display:block}.brand strong{letter-spacing:.06em}.brand small{color:#bfcee3;font-size:12px}.desktop-nav{display:flex;gap:6px;align-items:center}.desktop-nav a{padding:9px 12px;border-radius:10px;text-decoration:none;color:#d5e1f2;font-size:13px}.desktop-nav a:hover,.desktop-nav a:focus-visible{background:rgba(255,255,255,.08);color:#fff}.mobile-nav{display:none}.mobile-nav summary{cursor:pointer}.mobile-nav nav{display:grid;gap:8px;padding:10px 0}.mobile-nav a{color:#fff;text-decoration:none}.hero{background:radial-gradient(circle at 80% 10%,rgba(59,130,246,.25),transparent 32%),linear-gradient(180deg,var(--navy),#0a2850);color:#fff;padding:78px 0 64px}.hero-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:50px;align-items:center}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:11px;font-weight:800;color:var(--accent);margin:0 0 10px}.hero .eyebrow{color:#91c3ff}.hero h1{font-size:clamp(36px,5vw,64px);line-height:1.02;letter-spacing:-.04em;margin:0 0 20px;max-width:900px}.lead{color:#d9e6f8;font-size:18px;max-width:760px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border-radius:12px;text-decoration:none;font-weight:800;font-size:13px}.button.primary{background:#fff;color:var(--navy)}.button.secondary{border:1px solid rgba(255,255,255,.22);color:#fff}.hero-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:24px;padding:24px;box-shadow:var(--shadow)}.status-row{display:flex;align-items:center;gap:10px;font-size:13px}.live-dot{width:9px;height:9px;border-radius:999px;background:#4ade80;box-shadow:0 0 0 7px rgba(74,222,128,.12)}.tag{font-size:10px;border:1px solid rgba(255,255,255,.14);padding:4px 7px;border-radius:999px;color:#bdd0ea;margin-left:auto}.quick-facts{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:24px 0}.quick-facts div{padding:16px;border:1px solid rgba(255,255,255,.1);border-radius:16px;background:rgba(0,0,0,.1)}.quick-facts dt{font-size:30px;font-weight:900;letter-spacing:-.04em}.quick-facts dd{margin:2px 0 0;color:#bdd0ea;font-size:12px}.note,.micro-note{font-size:12px;color:#9eb1ca}.section{padding:72px 0}.section-alt{background:#edf2f8}.section-dark{background:#081b37;color:#e8f0fa}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}.section-head h2{font-size:clamp(28px,4vw,42px);line-height:1.06;letter-spacing:-.035em;margin:0}.section-head>p{max-width:520px;color:var(--muted);margin:0}.section-head.dark>p{color:#aebfd4}.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.kpi,.sim-card,.metric{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 6px 22px rgba(16,35,60,.04)}.kpi span,.sim-card span,.metric span{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.08em;font-weight:800}.kpi strong{display:block;font-size:30px;line-height:1.05;margin:7px 0}.kpi small{color:var(--muted)}.frame{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 10px 28px rgba(16,35,60,.05)}.two-col{display:grid;grid-template-columns:.8fr 1.2fr;gap:26px;align-items:start}.domain-list{display:grid;gap:10px}.domain-list div{display:grid;grid-template-columns:210px 1fr;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line)}.domain-list span{color:var(--muted);font-size:13px}.toolbar{display:grid;gap:14px;margin-bottom:24px}.search{display:block}.search span{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.08em;font-weight:800;color:var(--muted);margin-bottom:7px}.search input{width:100%;height:48px;border:1px solid var(--line);border-radius:14px;padding:0 14px;background:#fff;outline:none}.search input:focus{border-color:#75a7ed;box-shadow:0 0 0 4px rgba(59,130,246,.1)}.chips{display:flex;gap:8px;flex-wrap:wrap}.chip,.service{border:1px solid var(--line);background:#fff;color:var(--ink);padding:8px 11px;border-radius:999px;cursor:pointer;font-size:12px}.chip.active,.chip:hover,.service.active,.service:hover{border-color:#7aa6dc;background:#eaf3ff;color:#0b4789}.stack{display:grid;gap:16px}.phase-card{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:0 12px 30px rgba(16,35,60,.05)}.phase-head{display:grid;grid-template-columns:64px 1fr auto;gap:16px;align-items:start;padding:22px 22px 18px;border-bottom:1px solid var(--line)}.phase-number{display:grid;place-items:center;width:54px;height:54px;border-radius:16px;background:#0b2c57;color:#fff;font-weight:900;font-size:15px}.phase-head h3{margin:0;font-size:23px;line-height:1.15;letter-spacing:-.02em}.subtle,.objective{color:var(--muted)}.subtle{margin:6px 0 0}.objective{padding:0 22px;margin:18px 0}.phase-focus{min-width:120px;text-align:right}.phase-focus span{display:block;color:var(--muted);font-size:10px;text-transform:uppercase;font-weight:800}.phase-focus strong{font-size:13px}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:0 22px 20px}.metric strong{display:block;margin:7px 0 3px;font-size:17px}.metric small{display:block;color:var(--muted)}.frame-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:20px}.lower{margin-top:20px;grid-template-columns:1fr 1fr}.frame summary{cursor:pointer;font-weight:800}.frame h4{margin:0 0 8px;font-size:19px}.frame p{font-size:14px;color:var(--muted)}.reference{border-top:1px dashed var(--line);padding-top:12px}.table-wrap{overflow:auto}.table-wrap table{width:100%;border-collapse:collapse;min-width:760px}.table-wrap th,.table-wrap td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top;font-size:12px}.table-wrap th{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);background:#f7f9fc}.status{display:inline-flex;padding:4px 8px;border-radius:999px;background:#eef2f7;color:#44546a;font-size:10px;font-weight:800}.status.success{background:#e8f7ef;color:var(--good)}.danger{color:var(--danger)!important}.warning{padding:14px;border-radius:14px;background:#fff7e6;color:#7b4d00;border:1px solid #f3d99a;font-size:13px}.checklist{margin:0;padding-left:18px;color:var(--muted);font-size:13px}.code-frame{margin-top:18px;border-top:1px dashed var(--line);padding-top:14px}.code-frame pre{margin:12px 0 0;background:#071a35;color:#dbeaff;border-radius:14px;padding:16px;overflow:auto;font-size:12px}.empty{padding:22px;border:1px dashed #b8c4d4;border-radius:14px;color:var(--muted);text-align:center}.bia-frame{padding:0;overflow:hidden}.service-selector{display:grid;grid-template-columns:repeat(4,1fr);padding:12px;background:#f6f8fb;border-bottom:1px solid var(--line);gap:8px}.service{border-radius:12px;text-align:left;padding:13px 14px}.sim-body{padding:26px}.sim-body label{display:flex;justify-content:space-between;gap:12px;align-items:center;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.06em}.sim-body output{font-size:26px;letter-spacing:-.03em;color:#0d4d92}.sim-body input[type=range]{width:100%;margin:18px 0}.range-scale{display:flex;justify-content:space-between;color:var(--muted);font-size:11px}.sim-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:22px}.sim-card strong{display:block;margin-top:7px;font-size:18px;line-height:1.25}.sim-card.emphasis{grid-column:span 2;background:#0b2b55;color:#fff;border-color:#0b2b55}.sim-card.emphasis span,.sim-card.emphasis small{color:#b9cce3}.sim-card .ok{display:block;color:#4ade80;margin-top:8px;font-size:11px}.cards-2,.architecture-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.cards-2 h3,.arch-card h3{margin:5px 0 10px}.template-wrap{margin-top:18px}.template-wrap table{min-width:950px}.section-dark .arch-card{padding:22px;border:1px solid rgba(255,255,255,.12);border-radius:18px;background:rgba(255,255,255,.04)}.arch-step{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:10px;background:#164a8d;color:#fff;font-weight:900;font-size:11px}.arch-card p{color:#b7c9df;font-size:13px}.section-dark code{color:#d8ebff}.security-note{margin-top:16px;padding:16px;border-radius:16px;border:1px solid rgba(255,255,255,.12);color:#bed0e5;font-size:12px}.final-note{padding-top:22px}.final-note .frame{max-width:100%}.final-note h2{font-size:28px;line-height:1.12;margin:0 0 12px}.footer{background:#06162d;color:#aab9cb;padding:24px 0}.footer-inner{display:flex;justify-content:space-between;gap:20px;align-items:center;font-size:12px}.footer strong{display:block;color:#fff}.footer span{display:block}.hidden-row{display:none!important}@media (max-width:980px){.desktop-nav{display:none}.mobile-nav{display:block}.hero-grid,.two-col,.frame-grid,.lower,.cards-2,.architecture-grid{grid-template-columns:1fr}.kpi-grid{grid-template-columns:1fr 1fr}.metrics{grid-template-columns:1fr}.service-selector{grid-template-columns:1fr 1fr}.sim-grid{grid-template-columns:1fr 1fr}.sim-card.emphasis{grid-column:span 2}.phase-head{grid-template-columns:54px 1fr}.phase-focus{grid-column:2;text-align:left}.domain-list div{grid-template-columns:1fr}.footer-inner{flex-direction:column;align-items:flex-start}}@media (max-width:640px){.container{width:min(calc(100% - 22px),var(--max))}.header-inner{min-height:68px}.hero{padding-top:56px}.hero h1{font-size:40px}.kpi-grid,.service-selector,.sim-grid{grid-template-columns:1fr}.sim-card.emphasis{grid-column:auto}.section{padding:54px 0}.section-head{display:block}.section-head>p{margin-top:10px}.phase-head{padding:18px 16px}.phase-head h3{font-size:20px}.objective,.metrics{padding-inline:16px}.frame{padding:18px}.tag{display:none}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}