:root{
  --navy:#07182f;
  --navy-2:#0d2748;
  --red:#d20a2e;
  --red-bright:#f1193f;
  --ink:#101a2c;
  --muted:#657084;
  --line:#dde3eb;
  --soft:#f5f7fa;
  --white:#fff;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans JP",sans-serif;color:var(--ink);background:#fff;line-height:1.8}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.container{width:min(calc(100% - 40px),var(--max));margin:0 auto}
.site-header{position:fixed;z-index:100;top:0;left:0;right:0;height:82px;background:rgba(255,255,255,.9);backdrop-filter:blur(16px);border-bottom:1px solid rgba(13,39,72,.08)}
.nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between}
.brand img{width:174px;height:58px;object-fit:contain}
.nav{display:flex;align-items:center;gap:30px;font-family:Montserrat,sans-serif;font-size:13px;font-weight:600;letter-spacing:.04em}
.nav a{transition:.2s}
.nav a:hover{color:var(--red)}
.nav-cta{padding:11px 20px;border:1px solid var(--navy);border-radius:999px}
.menu-button{display:none;border:0;background:none;padding:8px}
.menu-button span{display:block;width:25px;height:2px;background:var(--navy);margin:5px}

.hero{position:relative;min-height:800px;padding:160px 0 90px;overflow:hidden;background:linear-gradient(122deg,#fff 0%,#f8fafd 57%,#eef3f8 100%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:60px}
.eyebrow,.section-kicker{font-family:Montserrat,sans-serif;font-size:12px;font-weight:700;letter-spacing:.22em;color:var(--red);margin:0 0 22px}
.hero h1{font-size:clamp(48px,6vw,78px);line-height:1.22;letter-spacing:-.045em;margin:0 0 28px;font-weight:700}
.hero h1 span{color:var(--navy)}
.hero-lead{font-size:17px;color:#4e596b;margin:0 0 36px}
.hero-actions{display:flex;gap:14px}
.button{display:inline-flex;align-items:center;justify-content:center;min-width:174px;padding:15px 24px;border-radius:4px;font-size:14px;font-weight:600;transition:.25s}
.button.primary{background:var(--red);color:white;box-shadow:0 10px 28px rgba(210,10,46,.2)}
.button.primary:hover{transform:translateY(-2px);background:#b80728}
.button.ghost{border:1px solid #9eabbc;background:rgba(255,255,255,.6)}
.button.ghost:hover{border-color:var(--navy)}
.hero-symbol{position:relative;min-height:500px;display:grid;place-items:center}
.symbol-card{position:relative;width:min(420px,90%);aspect-ratio:1;border-radius:42px;background:linear-gradient(145deg,#FFF,#061326);display:grid;place-items:center;box-shadow:0 42px 90px rgba(7,24,47,.26);overflow:hidden}
.symbol-card:before{content:"";position:absolute;inset:-35%;background:conic-gradient(from 40deg,transparent,rgba(241,25,63,.17),transparent 35%,rgba(62,127,255,.18),transparent 72%);animation:rotate 14s linear infinite}
.symbol-card img{position:relative;width:78%;filter:drop-shadow(0 18px 24px rgba(0,0,0,.25))}
.floating-label{position:absolute;padding:11px 18px;border:1px solid rgba(13,39,72,.12);background:rgba(255,255,255,.9);box-shadow:0 10px 30px rgba(7,24,47,.08);border-radius:999px;font-family:Montserrat,sans-serif;font-size:12px;font-weight:600}
.label-one{top:70px;left:-5px}.label-two{right:-15px;top:190px}.label-three{left:20px;bottom:55px}
.hero-glow{position:absolute;border-radius:50%;filter:blur(5px);opacity:.35}
.hero-glow-red{width:420px;height:420px;right:-170px;top:80px;background:radial-gradient(circle,rgba(210,10,46,.28),transparent 68%)}
.hero-glow-blue{width:500px;height:500px;left:-220px;bottom:-220px;background:radial-gradient(circle,rgba(30,88,160,.22),transparent 70%)}
.hero-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(13,39,72,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(13,39,72,.025) 1px,transparent 1px);background-size:56px 56px;mask-image:linear-gradient(to right,transparent,black 30%,black)}
@keyframes rotate{to{transform:rotate(360deg)}}

.section{padding:110px 0}
.section-heading.centered{text-align:center;max-width:760px;margin:0 auto 54px}
.section-heading h2,.company h2,.contact h2{font-size:clamp(34px,4vw,50px);line-height:1.35;margin:0 0 20px;letter-spacing:-.035em}
.section-heading p{color:var(--muted)}
.philosophy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.value-card{position:relative;padding:42px 38px;border:1px solid var(--line);min-height:360px;background:#fff;transition:.25s}
.value-card:hover{transform:translateY(-5px);box-shadow:0 22px 52px rgba(7,24,47,.09)}
.value-card.featured{border-top:4px solid var(--red)}
.value-number{position:absolute;top:26px;right:28px;font-family:Montserrat;color:#aab3c1;font-size:12px}
.value-icon{width:64px;height:64px;margin-bottom:32px;position:relative}
.book-icon:before,.book-icon:after{content:"";position:absolute;top:8px;width:27px;height:44px;border:3px solid var(--navy)}
.book-icon:before{left:2px;border-radius:3px 0 0 3px;transform:skewY(8deg)}
.book-icon:after{right:2px;border-radius:0 3px 3px 0;transform:skewY(-8deg)}
.cube-icon{border:3px solid var(--red);transform:rotate(30deg);width:46px;height:46px;margin:9px}
.cube-icon:before,.cube-icon:after{content:"";position:absolute;background:var(--red)}
.cube-icon:before{width:3px;height:49px;left:20px;top:-4px;transform:rotate(-30deg)}
.cube-icon:after{width:49px;height:3px;top:20px;left:-4px;transform:rotate(-30deg)}
.target-icon{border:3px solid var(--navy);border-radius:50%}
.target-icon:before{content:"";position:absolute;inset:13px;border:3px solid var(--red);border-radius:50%}
.target-icon:after{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:var(--navy);inset:0;margin:auto}
.value-card h3{font-family:Montserrat,sans-serif;font-size:22px;margin:0}
.value-card h4{font-size:15px;color:var(--red);margin:4px 0 18px}
.value-card p{color:var(--muted);font-size:14px}

.business{background:var(--soft)}
.section-heading.split{display:grid;grid-template-columns:1fr .8fr;align-items:end;gap:90px;margin-bottom:50px}
.section-heading.split h2{margin:0}
.business-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.business-card{display:grid;grid-template-columns:52px 1fr;gap:22px;padding:34px;background:white;border:1px solid #e1e6ec;min-height:210px;transition:.25s}
.business-card:hover{border-color:rgba(210,10,46,.35);box-shadow:0 18px 45px rgba(7,24,47,.07)}
.business-card.large{grid-column:1/-1;min-height:250px;background:linear-gradient(110deg,var(--navy),var(--navy-2));color:white}
.business-card>span{font-family:Montserrat,sans-serif;color:var(--red);font-size:12px;font-weight:700}
.card-label{font-family:Montserrat,sans-serif;font-size:11px;letter-spacing:.17em;color:var(--red);font-weight:700;margin:0 0 9px}
.business-card h3{font-size:22px;margin:0 0 12px}
.business-card p:last-child{font-size:14px;color:var(--muted);margin:0}
.business-card.large p:last-child{color:#c7d0dd;max-width:760px}

.strengths{background:var(--navy);color:white;position:relative;overflow:hidden}
.strengths:before{content:"";position:absolute;width:600px;height:600px;border-radius:50%;right:-280px;top:-250px;border:1px solid rgba(255,255,255,.08);box-shadow:0 0 0 90px rgba(255,255,255,.02),0 0 0 180px rgba(255,255,255,.015)}
.strengths-wrap{position:relative;display:grid;grid-template-columns:.85fr 1.15fr;gap:100px}
.light{color:#ff5b75}
.strengths-copy h2{font-size:clamp(32px,4vw,48px);line-height:1.45;margin:0 0 24px}
.strengths-copy>p:last-child{color:#aebacc}
.strength-list article{display:grid;grid-template-columns:50px 1fr;gap:20px;padding:28px 0;border-bottom:1px solid rgba(255,255,255,.13)}
.strength-list article:first-child{padding-top:0}
.strength-list b{font-family:Montserrat;color:#ff4b68}
.strength-list h3{margin:0 0 5px;font-size:19px}
.strength-list p{margin:0;color:#aebacc;font-size:14px}

.company-grid{display:grid;grid-template-columns:.65fr 1.35fr;gap:100px}
.company-intro{color:var(--muted);max-width:360px}
.company-table{margin:0;border-top:2px solid var(--navy)}
.company-table div{display:grid;grid-template-columns:160px 1fr;padding:20px 8px;border-bottom:1px solid var(--line)}
.company-table dt{font-weight:600;font-size:14px}
.company-table dd{margin:0;color:#4e596b;font-size:14px}

.contact{position:relative;padding:100px 0;background:linear-gradient(125deg,#07182f,#0c294c);color:white;overflow:hidden}
.contact-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;align-items:end;gap:100px}
.contact h2{margin:0}
.contact-copy p{color:#c1cbd8;margin:0 0 18px}
.contact-note{display:inline-block;padding:11px 17px;border-left:3px solid var(--red);background:rgba(255,255,255,.06)}
.contact-glow{position:absolute;width:640px;height:640px;border-radius:50%;background:radial-gradient(circle,rgba(241,25,63,.25),transparent 65%);right:-220px;top:-280px}

footer{background:#061225;color:white;padding:55px 0 26px}
.footer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-logo img{width:170px;filter:brightness(0) invert(1)}
.footer-nav{display:flex;gap:28px;font-family:Montserrat;font-size:12px;color:#b8c2cf}
.footer-bottom{display:flex;justify-content:space-between;padding-top:25px;font-size:12px;color:#7f8b9c}

@media(max-width:900px){
  .nav{position:absolute;top:82px;left:0;right:0;padding:25px 20px;background:white;display:none;flex-direction:column;align-items:flex-start;border-bottom:1px solid var(--line)}
  .nav.open{display:flex}.menu-button{display:block}
  .hero{padding-top:125px}.hero-inner{grid-template-columns:1fr}.hero-symbol{min-height:430px}
  .philosophy-grid{grid-template-columns:1fr}.section-heading.split,.strengths-wrap,.company-grid,.contact-inner{grid-template-columns:1fr;gap:45px}
  .business-grid{grid-template-columns:1fr}.business-card.large{grid-column:auto}
}
@media(max-width:620px){
  .container{width:min(calc(100% - 28px),var(--max))}
  .site-header{height:72px}.brand img{width:145px;height:50px}.nav{top:72px}
  .hero{min-height:auto;padding:120px 0 70px}.hero h1{font-size:43px}.hero-lead br{display:none}
  .hero-actions{flex-direction:column}.button{width:100%}
  .hero-symbol{min-height:340px}.symbol-card{width:285px;border-radius:30px}.floating-label{font-size:10px;padding:8px 12px}.label-one{top:25px}.label-two{right:0;top:140px}.label-three{bottom:18px}
  .section{padding:78px 0}.section-heading h2,.company h2,.contact h2{font-size:34px}
  .value-card{min-height:auto;padding:34px 28px}.business-card{grid-template-columns:38px 1fr;padding:26px 22px}
  .company-table div{grid-template-columns:1fr;gap:5px}.footer-top,.footer-bottom{align-items:flex-start;flex-direction:column;gap:22px}.footer-nav{flex-wrap:wrap}
}