:root{
  --navy:#00276B;
  --navy-deep:#001638;
  --red:#C50022;
  --white:#fff;
  --ink:#0d234b;
  --muted:#64708a;
  --line:rgba(0,39,107,.12);
  --soft:#f6f8fc;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Heebo',sans-serif;color:var(--ink);background:var(--white);line-height:1.65;overflow-x:hidden}
h1,h2,h3{font-family:'Noto Serif JP',serif;line-height:1.12;color:var(--navy)}
a{text-decoration:none;color:inherit}
nav{position:fixed;top:0;left:0;right:0;z-index:50;height:76px;padding:0 5.4vw;display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.92);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);transition:.3s}
nav.scrolled{height:66px;box-shadow:0 12px 35px rgba(0,39,107,.08)}
.logo-img{height:42px;width:auto}
.nav-links{display:flex;align-items:center;gap:2rem;list-style:none}
.nav-links a{font-size:.9rem;font-weight:700;color:var(--navy);position:relative}
.nav-links a:not(.nav-cta)::after{content:'';position:absolute;left:0;bottom:-8px;width:0;height:2px;background:var(--red);transition:.25s}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-cta{background:var(--navy);color:#fff!important;padding:.78rem 1.25rem;border-radius:4px;display:inline-flex;gap:.55rem;align-items:center}
.menu-toggle{display:none;background:none;border:0;font-size:1.6rem;color:var(--navy)}
.hero{position:relative;min-height:100vh;padding:148px 5.4vw 80px;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,39,107,.98) 0%,rgba(0,39,107,.86) 36%,rgba(0,39,107,.35) 62%,rgba(0,39,107,.05) 100%),url('https://images.unsplash.com/photo-1556761175-4b46a572b786?w=1800&q=85&auto=format&fit=crop') center right/cover no-repeat;transform:scale(1.02)}
.hero-overlay{position:absolute;inset:0;background:radial-gradient(circle at 18% 35%,rgba(197,0,34,.22),transparent 28%),linear-gradient(180deg,transparent,rgba(0,22,56,.24))}
.hero-copy{position:relative;z-index:2;max-width:710px;color:#fff}
.eyebrow{display:inline-block;color:#fff;text-transform:uppercase;letter-spacing:.18em;font-size:.78rem;font-weight:800;margin-bottom:1.4rem}
.hero-copy h1{font-size:clamp(3.3rem,6.2vw,6.6rem);color:#fff;margin-bottom:1.4rem}
.hero-copy h1 span{color:#fff}
.hero-copy p{max-width:560px;color:rgba(255,255,255,.84);font-size:1.08rem;margin-bottom:2rem}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:.7rem;padding:1rem 1.45rem;border-radius:4px;font-weight:800;transition:.25s}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{transform:translateY(-3px);box-shadow:0 18px 35px rgba(197,0,34,.34)}
.btn-ghost{color:#fff;border:1px solid rgba(255,255,255,.35)}
.btn-ghost:hover{background:#fff;color:var(--navy)}
.hero-panel{position:absolute;right:5.4vw;bottom:54px;z-index:3;display:flex;background:rgba(255,255,255,.94);box-shadow:0 25px 70px rgba(0,39,107,.24);border-radius:14px;overflow:hidden}
.hero-panel div{padding:1.1rem 1.4rem;border-right:1px solid var(--line)}
.hero-panel div:last-child{border-right:0}
.hero-panel span{display:block;font-size:.78rem;color:var(--muted);font-weight:700}
.hero-panel strong{font-family:'Noto Serif JP',serif;color:var(--navy);font-size:1.55rem}
.intro-band,.service-overview{padding:7rem 5.4vw;text-align:center;background:#fff}
.section-kicker{display:block;text-transform:uppercase;letter-spacing:.18em;color:var(--red);font-size:.78rem;font-weight:900;margin-bottom:.7rem}
.intro-band h2,.service-overview h2,.split-section h2,.process-band h2,.cta-section h2{font-size:clamp(2.1rem,4vw,3.5rem);margin-bottom:1rem}
.intro-band>p,.service-overview>p{max-width:650px;margin:0 auto 3rem;color:var(--muted)}
.mini-services{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;margin-top:3rem;text-align:left}
.mini-card,.service-detail-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:2rem;transition:.32s;box-shadow:0 12px 30px rgba(0,39,107,.03)}
.mini-card:hover,.service-detail-card:hover{transform:translateY(-7px);box-shadow:0 25px 60px rgba(0,39,107,.13);border-color:rgba(197,0,34,.25)}
.icon,.service-icon-large{color:var(--red);font-size:2.2rem;display:block;margin-bottom:1rem}
.mini-card h3{font-size:1.18rem;margin-bottom:.7rem}
.mini-card p{color:var(--muted);font-size:.94rem;margin-bottom:1rem}
.mini-card b{color:var(--red);font-size:.9rem}
.split-section{padding:6rem 5.4vw;background:var(--soft);display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.text-stack p{color:var(--muted);font-size:1.08rem;margin-bottom:1.2rem}
.text-link{color:var(--red);font-weight:900}
.page-hero{min-height:76vh;padding:150px 5.4vw 70px;display:flex;align-items:end;position:relative;overflow:hidden}
.page-hero-bg{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,39,107,.98),rgba(0,39,107,.74),rgba(0,39,107,.18)),url('https://images.unsplash.com/photo-1551836022-d5d88e9218df?w=1800&q=85&auto=format&fit=crop') center/cover no-repeat}
.page-hero::after{content:'';position:absolute;right:-12vw;bottom:-20vw;width:52vw;height:52vw;border:1px solid rgba(255,255,255,.16);border-radius:50%}
.page-hero-copy{position:relative;z-index:2;max-width:850px}
.page-hero-copy h1{font-size:clamp(3rem,5.5vw,5.8rem);color:#fff;margin-bottom:1.2rem}
.page-hero-copy p{font-size:1.12rem;max-width:650px;color:rgba(255,255,255,.82)}
.service-grid-detailed{display:grid;grid-template-columns:repeat(2,1fr);gap:1.4rem;text-align:left;margin-top:3.5rem}
.service-detail-card{position:relative;padding:2.4rem}
.service-no{position:absolute;right:2rem;top:2rem;color:rgba(0,39,107,.18);font-family:'Noto Serif JP',serif;font-size:2.5rem;font-weight:700}
.service-detail-card h3{font-size:1.75rem;margin-bottom:.8rem}
.service-detail-card p{color:var(--muted);margin-bottom:1rem}
.service-detail-card ul{padding-left:1.1rem;color:var(--ink)}
.service-detail-card li{margin:.45rem 0}
.process-band{padding:7rem 5.4vw;background:var(--navy);color:#fff}
.process-band h2{color:#fff;max-width:700px}
.process-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;margin-top:3rem}
.process-row div{padding:1.7rem;border:1px solid rgba(255,255,255,.14);border-radius:12px;background:rgba(255,255,255,.05)}
.process-row b{color:var(--red);font-family:'Noto Serif JP',serif;font-size:1.6rem}
.process-row h3{color:#fff;margin:.7rem 0}
.process-row p{color:rgba(255,255,255,.72);font-size:.95rem}
.cta-section{text-align:center;padding:7rem 5.4vw;background:linear-gradient(135deg,#fff,#f7f8fc)}
.cta-section p{color:var(--muted);margin:0 auto 2rem;max-width:560px}
footer{padding:4rem 5.4vw;background:#f6f8fc;border-top:1px solid var(--line);display:grid;grid-template-columns:2fr 1fr 1fr;gap:2rem}
.footer-logo{height:42px;margin-bottom:1rem}
footer p{color:var(--muted);max-width:360px}
footer b{display:block;margin-bottom:1rem;color:var(--navy)}
footer a{display:block;color:var(--muted);margin:.45rem 0}
footer a:hover{color:var(--red)}
@media(max-width:920px){
  nav{padding:0 1.25rem}
  .menu-toggle{display:block}
  .nav-links{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;padding:1.4rem;flex-direction:column;align-items:flex-start;border-bottom:1px solid var(--line)}
  .nav-links.open{display:flex}
  .hero,.page-hero{padding-left:1.25rem;padding-right:1.25rem}
  .hero-panel{position:relative;right:auto;bottom:auto;margin-top:2rem;width:100%;display:grid;grid-template-columns:1fr 1fr}
  .mini-services,.process-row{grid-template-columns:1fr}
  .service-grid-detailed,.split-section,footer{grid-template-columns:1fr}
  .intro-band,.service-overview,.split-section,.process-band,.cta-section{padding-left:1.25rem;padding-right:1.25rem}
}