/* =========================================================
   株式会社Style Zero — corporate site styles
   ========================================================= */
:root{
  --bg:#ffffff;
  --ink:#20262e;
  --muted:#5f6b78;
  --line:#e6e9ee;
  --brand:#0e2b4a;      /* deep navy */
  --brand-2:#16406b;
  --accent:#1560a8;     /* blue */
  --gold:#f5a623;       /* logo orange */
  --soft:#f6f8fb;       /* section tint */
  --soft-2:#eef2f7;
  --shadow:0 10px 30px rgba(14,43,74,.08);
  --shadow-sm:0 4px 14px rgba(14,43,74,.06);
  --radius:14px;
  --max:1080px;
  --gutter:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP","Yu Gothic",Meiryo,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.85;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none;transition:color .15s,opacity .15s}
a:hover{color:var(--brand);text-decoration:underline}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:inline-flex;align-items:center}
.brand-logo{height:40px;width:auto}
.nav{display:flex;gap:28px;flex-wrap:wrap}
.nav a{
  position:relative;color:var(--ink);font-size:14.5px;font-weight:600;letter-spacing:.02em;padding:6px 0;
}
.nav a:hover{color:var(--accent);text-decoration:none}
.nav a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--gold);transition:width .2s;
}
.nav a:hover::after,.nav a[aria-current="page"]::after{width:100%}
.nav a[aria-current="page"]{color:var(--accent)}

/* ---------- hero (home) ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 60%,#1c4f80 100%);
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(245,166,35,.22),transparent 70%);
}
.hero .wrap{position:relative;z-index:1;padding:104px var(--gutter)}
.hero .kicker{display:inline-block;font-size:13px;letter-spacing:.18em;color:#a9c6e6;font-weight:700;margin-bottom:20px;text-transform:uppercase}
.hero h1{margin:0 0 20px;font-size:38px;line-height:1.45;font-weight:800;letter-spacing:.01em}
.hero p{margin:0;font-size:17px;color:#d7e3f1;max-width:660px;line-height:2}
.hero .actions{margin-top:36px;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent);color:#fff;padding:13px 30px;border-radius:10px;font-weight:700;font-size:15.5px;
  border:0;cursor:pointer;font-family:inherit;box-shadow:var(--shadow-sm);transition:transform .12s,opacity .15s,background .15s;
}
.btn:hover{text-decoration:none;color:#fff;background:var(--brand);transform:translateY(-1px)}
.btn-gold{background:var(--gold);color:#3a2a04}
.btn-gold:hover{background:#e8971a;color:#3a2a04}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55);box-shadow:none}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}

/* ---------- page hero band (inner pages) ---------- */
.page-hero{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;position:relative;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:4px;
  background:linear-gradient(90deg,var(--gold),transparent 60%);
}
.page-hero .wrap{padding:56px var(--gutter) 52px}
.page-hero .en{display:block;font-size:12.5px;letter-spacing:.2em;color:#a9c6e6;font-weight:700;text-transform:uppercase;margin-bottom:8px}
.page-hero h1{margin:0;font-size:30px;font-weight:800;letter-spacing:.02em}

/* ---------- sections ---------- */
main{display:block}
.section{padding:76px 0}
.section.tint{background:var(--soft)}
.section-head{text-align:center;max-width:720px;margin:0 auto 48px}
.section-head .en{display:block;font-size:12.5px;letter-spacing:.2em;color:var(--accent);font-weight:700;text-transform:uppercase;margin-bottom:10px}
.section-head h2{margin:0;font-size:26px;font-weight:800;color:var(--brand);border:0;padding:0}
.section-head h2::after{content:"";display:block;width:44px;height:3px;background:var(--gold);border-radius:2px;margin:16px auto 0}
.section-head p{margin:16px 0 0;color:var(--muted)}

/* content headings inside article pages */
.article h2{
  font-size:20px;color:var(--brand);margin:44px 0 14px;font-weight:800;
  padding-left:14px;border-left:4px solid var(--gold);
}
.article h2:first-child{margin-top:0}
.article h3{font-size:16px;margin:24px 0 8px;color:var(--brand)}
.article p{margin:0 0 14px}
.article ol,.article ul{padding-left:1.4em;margin:0 0 16px}
.article li{margin:7px 0}
.article{max-width:820px}

/* ---------- cards ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:22px}
.card{
  border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;background:#fff;
  box-shadow:var(--shadow-sm);transition:transform .15s,box-shadow .15s;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card .ico{width:44px;height:44px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:var(--soft-2);color:var(--accent);margin-bottom:16px}
.card h3{margin:0 0 8px;color:var(--brand);font-size:16.5px;font-weight:700}
.card p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.8}

/* contact cards (with border accent) */
.cards.contact .card{background:var(--soft);box-shadow:none}
.cards.contact .card h3{font-size:14px;color:var(--accent);letter-spacing:.04em}
.cards.contact .card p{color:var(--ink);font-size:15px}

/* ---------- info table ---------- */
.info-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.info-table th,.info-table td{border-bottom:1px solid var(--line);padding:16px 20px;text-align:left;vertical-align:top;font-size:15px}
.info-table tr:last-child th,.info-table tr:last-child td{border-bottom:0}
.info-table th{background:var(--soft);width:32%;font-weight:700;color:var(--brand);white-space:nowrap}
.pending{color:#b4530a;font-weight:700}

/* ---------- legal / notice ---------- */
.legal-block{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:6px 24px;margin:18px 0}
.legal-block .info-table{border:0;border-radius:0}
.notice{background:#fff8ef;border:1px solid #f0dcb8;border-radius:12px;padding:18px 20px;color:#7a4d13;font-size:14.5px;margin:24px 0;line-height:1.8}

/* ---------- form ---------- */
.contact-form{max-width:660px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:32px;margin:8px 0}
.contact-form .field{margin-bottom:20px}
.contact-form label{display:block;font-weight:700;font-size:14px;margin-bottom:7px;color:var(--brand)}
.contact-form .req{color:#c0392b;font-weight:700;margin-left:2px}
.contact-form input,.contact-form select,.contact-form textarea{
  width:100%;padding:12px 14px;border:1px solid #d5dbe3;border-radius:9px;
  font-size:15px;font-family:inherit;background:#fff;color:var(--ink);transition:border-color .15s,box-shadow .15s;
}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(21,96,168,.14)
}
.contact-form textarea{resize:vertical;min-height:130px}
.contact-form .consent label{font-weight:500;color:var(--ink);display:flex;align-items:flex-start;gap:8px}
.contact-form .consent input{width:auto;margin-top:5px}
.contact-form .btn{width:100%;padding:15px}
.contact-form .hp{position:absolute;left:-9999px;visibility:hidden}

/* ---------- generic helpers ---------- */
.lead{font-size:16.5px;color:var(--muted);max-width:760px}
.center{text-align:center}
.mt-lg{margin-top:36px}

/* ---------- footer ---------- */
.site-footer{background:var(--brand);color:#b9cbe0;padding:52px 0 30px;font-size:13.5px;margin-top:0}
.site-footer .ftop{display:flex;justify-content:space-between;gap:28px;flex-wrap:wrap;align-items:flex-start}
.site-footer .fbrand img{height:38px;filter:brightness(0) invert(1);opacity:.95}
.site-footer .fbrand p{margin:14px 0 0;color:#93aacb;max-width:320px;line-height:1.8;font-size:13px}
.site-footer .flinks{display:flex;gap:22px;flex-wrap:wrap}
.site-footer .flinks a{color:#dbe6f2;font-weight:600;font-size:13.5px}
.site-footer .flinks a:hover{color:#fff}
.site-footer .license{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:10px;padding:14px 18px;margin:28px 0 0;line-height:1.8;color:#c7d6e7;
}
.site-footer .license b{color:#fff}
.site-footer .copy{color:#7f97b6;margin-top:22px;border-top:1px solid rgba(255,255,255,.1);padding-top:18px}

/* ---------- responsive ---------- */
@media(max-width:820px){
  .hero .wrap{padding:76px var(--gutter)}
  .hero h1{font-size:29px}
  .section{padding:56px 0}
  .info-table th{width:38%}
}
@media(max-width:640px){
  body{font-size:15.5px}
  .site-header .wrap{height:auto;flex-direction:column;gap:10px;padding-top:12px;padding-bottom:12px}
  .nav{gap:16px;justify-content:center}
  .hero h1{font-size:25px}
  .hero .actions{flex-direction:column}
  .hero .actions .btn{width:100%}
  .page-hero h1{font-size:24px}
  .section-head h2{font-size:22px}
  .contact-form{padding:22px}
  .info-table th,.info-table td{display:block;width:100%}
  .info-table th{border-bottom:0}
}