/* ANKA Corporate Site - simple modern IT style */
:root{
  --bg: #0b1220;
  --panel: rgba(255,255,255,0.06);
  --panel2: rgba(255,255,255,0.10);
  --text: #eaf0ff;
  --muted: rgba(234,240,255,0.72);
  --line: rgba(234,240,255,0.14);
  --brand: #4f9cff;
  --brand2: #7c5cff;
  --ok: #3ddc97;
  --shadow: 0 24px 60px rgba(0,0,0,0.45);
  --radius: 16px;
  --radius2: 22px;
  --max: 1120px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", "Meiryo", sans-serif;
}

*{ box-sizing: border-box; }
html,body{ height: 100%; }
body{
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% 10%, rgba(79,156,255,0.35), transparent 60%),
    radial-gradient(900px 500px at 90% 0%, rgba(124,92,255,0.35), transparent 60%),
    radial-gradient(900px 700px at 70% 90%, rgba(61,220,151,0.16), transparent 60%),
    linear-gradient(180deg, #070b14 0%, #0b1220 45%, #070b14 100%);
  overflow-x: hidden;
}

a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: none; }

.container{ width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }

.skip-link{
  position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  left: 16px; top: 16px; width:auto; height:auto;
  background: #111a2d; border: 1px solid var(--line);
  padding: 10px 12px; border-radius: 12px; z-index: 9999;
}

header.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(11,18,32,0.78), rgba(11,18,32,0.48));
  border-bottom: 1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
}
.brand{
  display:flex; align-items:center; gap: 10px;
  font-weight: 700; letter-spacing: .3px;
}
.brand-mark{
  width: 34px; height: 34px; border-radius: 12px;
  background:
    radial-gradient(14px 14px at 30% 30%, rgba(255,255,255,0.65), transparent 55%),
    linear-gradient(135deg, var(--brand) 0%, var(--brand2) 55%, #2dd4bf 100%);
  box-shadow: 0 10px 24px rgba(79,156,255,0.22);
  border: 1px solid rgba(255,255,255,0.18);
}
.brand-name{ font-size: 15px; }
.brand-sub{ display:block; font-size: 12px; font-weight: 600; color: var(--muted); margin-top: 2px; letter-spacing: .2px; }

.nav{
  display:flex; align-items:center; gap: 16px;
}
.nav a{
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
  border: 1px solid transparent;
  transition: 160ms ease;
}
.nav a:hover{
  color: var(--text);
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.08);
}
.nav a[aria-current="page"]{
  color: var(--text);
  background: rgba(79,156,255,0.14);
  border-color: rgba(79,156,255,0.28);
}

.menu-btn{
  display:none;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  cursor: pointer;
}
.menu-btn:hover{ background: rgba(255,255,255,0.07); }

.hero{
  padding: 74px 0 40px;
  position: relative;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: stretch;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.10);
  color: var(--muted);
  font-weight: 600;
  font-size: 13px;
}
.kicker-dot{
  width: 8px; height: 8px; border-radius: 999px;
  background: var(--ok);
  box-shadow: 0 0 0 6px rgba(61,220,151,0.15);
}

h1{
  font-size: clamp(34px, 4vw, 50px);
  line-height: 1.08;
  margin: 16px 0 12px;
  letter-spacing: -0.6px;
}
.lead{
  font-size: 16px;
  color: var(--muted);
  line-height: 1.8;
  margin: 0 0 22px;
}

.cta-row{
  display:flex; flex-wrap: wrap; gap: 12px;
  align-items:center;
  margin-top: 18px;
}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  font-weight: 700;
  transition: 160ms ease;
}
.btn:hover{ transform: translateY(-1px); background: rgba(255,255,255,0.09); }
.btn.primary{
  background: linear-gradient(135deg, rgba(79,156,255,0.95), rgba(124,92,255,0.90));
  border-color: rgba(255,255,255,0.18);
  box-shadow: 0 18px 34px rgba(79,156,255,0.22);
}
.btn.primary:hover{ filter: brightness(1.05); }
.btn.ghost{
  background: transparent;
}
.btn .arrow{
  width: 18px; height: 18px;
  display:inline-block;
}

.card{
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
}
.hero-aside{
  padding: 20px;
  display:flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
}
.stat-row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.stat{
  padding: 14px 14px;
  border-radius: 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.10);
}
.stat .n{
  font-family: var(--mono);
  font-size: 16px;
  color: rgba(255,255,255,0.88);
}
.stat .l{
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

.badge{
  display:inline-flex; align-items:center; gap: 8px;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(79,156,255,0.12);
  border: 1px solid rgba(79,156,255,0.22);
  color: rgba(234,240,255,0.85);
  font-weight: 700;
  font-size: 13px;
}

.section{
  padding: 42px 0;
}
.section-title{
  display:flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}
.section-title h2{
  font-size: 22px;
  margin: 0;
  letter-spacing: -0.2px;
}
.section-title p{
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.feature{
  padding: 18px;
}
.icon{
  width: 38px; height: 38px;
  border-radius: 14px;
  display:grid; place-items:center;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  margin-bottom: 12px;
}
.feature h3{
  margin: 0 0 8px;
  font-size: 16px;
}
.feature p{
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
  font-size: 14px;
}

.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.panel{
  padding: 18px;
  border-radius: var(--radius2);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.11);
}
.panel h3{ margin: 0 0 8px; font-size: 16px; }
.panel p{ margin: 0; color: var(--muted); line-height: 1.75; font-size: 14px; }

.kv{
  padding: 18px;
}
.kv h1{ margin-top: 6px; }
.breadcrumb{
  font-size: 12px; color: var(--muted);
}
.breadcrumb a{ color: rgba(234,240,255,0.86); }
.breadcrumb span{ opacity: .7; }

.table{
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.12);
}
.table th,.table td{
  padding: 14px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.10);
  vertical-align: top;
}
.table th{
  width: 180px;
  color: rgba(234,240,255,0.86);
  text-align: left;
  background: rgba(255,255,255,0.04);
  font-weight: 800;
}
.table td{ color: var(--muted); }

.footer{
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
  margin-top: 30px;
  color: var(--muted);
}
.footer-top{
  display:flex; align-items:flex-start; justify-content: space-between;
  gap: 18px;
}
.footer .mini{
  font-size: 12px;
  line-height: 1.7;
}
.footer-nav{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
}
.footer-nav a{
  padding: 8px 10px;
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.10);
}
.footer-nav a:hover{ background: rgba(255,255,255,0.06); }
.copyright{
  margin-top: 14px;
  font-size: 12px;
  opacity: 0.8;
}

/* Mobile */
@media (max-width: 880px){
  .hero-grid{ grid-template-columns: 1fr; }
  .grid-3{ grid-template-columns: 1fr; }
  .split{ grid-template-columns: 1fr; }
  .stat-row{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px){
  .nav{ display:none; }
  .menu-btn{ display:inline-flex; }
  .nav.open{
    display:flex;
    position:absolute;
    left: 0; right:0;
    top: 62px;
    padding: 12px;
    background: rgba(11,18,32,0.95);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(14px);
    flex-wrap: wrap;
  }
  .nav.open a{ flex: 1 1 auto; text-align:center; }
  .footer-top{ flex-direction: column; }
}