/* ===== Base ===== */
:root{
  --navy:#0f2a4a;
  --navy-dark:#0a1d33;
  --gold:#b8934a;
  --gold-light:#d8b978;
  --bg:#ffffff;
  --bg-soft:#f6f7f9;
  --text:#22282f;
  --text-soft:#5b6470;
  --border:#e4e7eb;
  --maxw:1120px;
  --font: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:var(--bg);
  line-height:1.85;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.02em;}
p{margin:0 0 1em;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 24px;max-width:var(--maxw);margin:0 auto;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:40px;height:40px;border-radius:8px;
  background:linear-gradient(135deg,var(--navy),var(--navy-dark));
  display:flex;align-items:center;justify-content:center;
  color:var(--gold-light);font-weight:700;font-size:18px;
  flex-shrink:0;
}
.brand-text{line-height:1.3;}
.brand-text .ja{font-size:16px;font-weight:700;color:var(--navy);}
.brand-text .en{font-size:11px;letter-spacing:.12em;color:var(--text-soft);}

nav.main-nav{display:flex;gap:8px;}
nav.main-nav a{
  padding:10px 16px;font-size:14px;font-weight:600;color:var(--text);
  border-radius:6px;transition:background .15s, color .15s;
}
nav.main-nav a:hover, nav.main-nav a.active{background:var(--bg-soft);color:var(--navy);}
.nav-cta{
  background:var(--navy)!important;color:#fff!important;
  padding:10px 20px!important;
}
.nav-cta:hover{background:var(--navy-dark)!important;}

.nav-toggle{display:none;}

@media (max-width:840px){
  nav.main-nav{
    position:fixed;inset:64px 0 0 0;background:#fff;
    flex-direction:column;padding:16px;gap:4px;
    transform:translateY(-8px);opacity:0;pointer-events:none;
    transition:opacity .18s, transform .18s;
    border-top:1px solid var(--border);
  }
  nav.main-nav.open{opacity:1;transform:translateY(0);pointer-events:auto;}
  nav.main-nav a{padding:14px 12px;font-size:16px;}
  .nav-toggle{
    display:flex;flex-direction:column;justify-content:center;gap:5px;
    width:40px;height:40px;background:none;border:none;cursor:pointer;
  }
  .nav-toggle span{display:block;height:2px;background:var(--navy);border-radius:2px;}
}

/* ===== Hero ===== */
.hero{
  background:
    radial-gradient(1200px 400px at 80% -10%, rgba(184,147,74,.18), transparent),
    linear-gradient(160deg, var(--navy) 0%, var(--navy-dark) 100%);
  color:#fff;padding:96px 24px 88px;position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;
  border:1px solid rgba(255,255,255,.08);border-radius:50%;
}
.hero-inner{max-width:var(--maxw);margin:0 auto;position:relative;}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.18em;color:var(--gold-light);
  border:1px solid rgba(216,185,120,.4);padding:6px 14px;border-radius:999px;margin-bottom:24px;
}
.hero h1{font-size:36px;line-height:1.55;max-width:680px;margin-bottom:20px;}
.hero p.lead{font-size:16px;color:rgba(255,255,255,.78);max-width:560px;margin-bottom:36px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 28px;border-radius:6px;font-size:14px;font-weight:700;
  letter-spacing:.03em;transition:transform .15s, box-shadow .15s, background .15s;
  border:1px solid transparent;cursor:pointer;
}
.btn-primary{background:var(--gold);color:#1a1305;}
.btn-primary:hover{background:var(--gold-light);transform:translateY(-1px);}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.08);}
.btn-navy{background:var(--navy);color:#fff;}
.btn-navy:hover{background:var(--navy-dark);}

/* ===== Sections ===== */
section{padding:88px 0;}
section.soft{background:var(--bg-soft);}
.section-head{max-width:640px;margin:0 0 48px;}
.section-tag{
  font-size:12px;letter-spacing:.16em;color:var(--gold);font-weight:700;
  text-transform:uppercase;margin-bottom:12px;display:block;
}
.section-head h2{font-size:28px;color:var(--navy);margin-bottom:14px;line-height:1.5;}
.section-head p{color:var(--text-soft);font-size:15px;}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.grid-2{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;}
@media (max-width:840px){
  .grid-3{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;gap:32px;}
}

.card{
  background:#fff;border:1px solid var(--border);border-radius:10px;
  padding:32px 28px;transition:box-shadow .15s, transform .15s;
}
.card:hover{box-shadow:0 12px 32px rgba(15,42,74,.08);transform:translateY(-2px);}
.card .icon{
  width:44px;height:44px;border-radius:9px;background:var(--bg-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--navy);
}
.card h3{font-size:17px;color:var(--navy);margin-bottom:10px;}
.card p{color:var(--text-soft);font-size:14px;margin:0;}

.stat-row{display:flex;gap:0;border:1px solid var(--border);border-radius:10px;overflow:hidden;}
.stat{flex:1;padding:32px 20px;text-align:center;border-right:1px solid var(--border);}
.stat:last-child{border-right:none;}
.stat .num{font-size:30px;font-weight:700;color:var(--navy);}
.stat .num span{font-size:16px;color:var(--gold);}
.stat .label{font-size:12px;color:var(--text-soft);margin-top:6px;letter-spacing:.04em;}
@media (max-width:640px){.stat-row{flex-direction:column;}.stat{border-right:none;border-bottom:1px solid var(--border);}.stat:last-child{border-bottom:none;}}

/* ===== Table (会社概要) ===== */
.info-table{width:100%;border-collapse:collapse;font-size:14.5px;}
.info-table tr{border-bottom:1px solid var(--border);}
.info-table tr:last-child{border-bottom:none;}
.info-table th, .info-table td{padding:18px 20px;text-align:left;vertical-align:top;}
.info-table th{
  width:160px;color:var(--navy);font-weight:700;background:var(--bg-soft);
  border-right:1px solid var(--border);
}
@media (max-width:640px){
  .info-table, .info-table tbody, .info-table tr, .info-table th, .info-table td{display:block;width:100%;}
  .info-table th{border-right:none;border-bottom:1px solid var(--border);width:auto;}
  .info-table td{padding-top:10px;}
}

/* ===== Breadcrumb / Page header ===== */
.page-header{
  background:var(--bg-soft);padding:56px 0 40px;border-bottom:1px solid var(--border);
}
.page-header .crumb{font-size:12px;color:var(--text-soft);margin-bottom:14px;}
.page-header .crumb a:hover{color:var(--navy);}
.page-header h1{font-size:26px;color:var(--navy);}
.page-header p.desc{color:var(--text-soft);margin-top:12px;font-size:14.5px;max-width:600px;}

/* ===== Business list ===== */
.biz-item{
  display:grid;grid-template-columns:56px 1fr;gap:20px;padding:32px 0;border-bottom:1px solid var(--border);
}
.biz-item:last-child{border-bottom:none;}
.biz-num{font-size:20px;font-weight:700;color:var(--gold);}
.biz-item h3{font-size:18px;color:var(--navy);margin-bottom:8px;}
.biz-item p{color:var(--text-soft);font-size:14.5px;margin-bottom:12px;}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;}
.tag{
  font-size:12px;background:var(--bg-soft);color:var(--navy);
  padding:5px 12px;border-radius:999px;border:1px solid var(--border);
}

/* ===== Form ===== */
.form-wrap{background:#fff;border:1px solid var(--border);border-radius:12px;padding:40px;}
@media (max-width:640px){.form-wrap{padding:24px;}}
.form-row{margin-bottom:22px;}
.form-row label{display:block;font-size:13.5px;font-weight:700;color:var(--navy);margin-bottom:8px;}
.form-row label .req{color:#c0392b;margin-left:4px;font-weight:700;}
.form-row input, .form-row select, .form-row textarea{
  width:100%;padding:13px 14px;border:1px solid var(--border);border-radius:6px;
  font-family:var(--font);font-size:14.5px;background:#fff;color:var(--text);
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus{
  outline:none;border-color:var(--navy);box-shadow:0 0 0 3px rgba(15,42,74,.08);
}
.form-row textarea{resize:vertical;min-height:140px;}
.form-note{font-size:12.5px;color:var(--text-soft);margin-top:6px;}
.form-cols{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
@media (max-width:640px){.form-cols{grid-template-columns:1fr;}}

.contact-side .card{margin-bottom:20px;}
.contact-side h3{color:var(--navy);font-size:15px;margin-bottom:10px;}

/* ===== CTA band ===== */
.cta-band{
  background:linear-gradient(135deg,var(--navy),var(--navy-dark));
  color:#fff;padding:64px 0;text-align:center;
}
.cta-band h2{font-size:24px;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.75);margin-bottom:28px;font-size:14.5px;}

/* ===== Footer ===== */
footer.site-footer{background:var(--navy-dark);color:rgba(255,255,255,.65);padding:56px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;margin-bottom:40px;}
@media (max-width:640px){.footer-grid{grid-template-columns:1fr;gap:28px;}}
.footer-brand .brand-text .ja{color:#fff;}
.footer-brand .brand-text .en{color:rgba(255,255,255,.5);}
.footer-brand p{font-size:13px;color:rgba(255,255,255,.55);margin-top:14px;max-width:280px;}
footer h4{font-size:13px;color:#fff;margin-bottom:16px;letter-spacing:.06em;}
footer ul{list-style:none;margin:0;padding:0;}
footer li{margin-bottom:10px;font-size:13.5px;}
footer a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:24px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12px;color:rgba(255,255,255,.45);
}

/* ===== Utility ===== */
.mt-0{margin-top:0;}
.center{text-align:center;}