:root{
  --bg: #0b1020;
  --card: rgba(255,255,255,0.08);
  --card-border: rgba(255,255,255,0.14);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.70);
  --accent: #7dd3fc;
  --accent2: #a7f3d0;
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin: 0;
  font-family: "Segoe UI", "Hiragino Kaku Gothic ProN", Meiryo, system-ui, -apple-system, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 20% 10%, rgba(125, 211, 252, 0.25), transparent 60%),
    radial-gradient(900px 500px at 80% 30%, rgba(167, 243, 208, 0.18), transparent 55%),
    radial-gradient(800px 700px at 40% 100%, rgba(147, 197, 253, 0.14), transparent 60%),
    var(--bg);
}

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

.container{
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 18px 46px;
}

.topbar{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 24px;
}

.topbar .btn.web-link{
  font-size: 13px;
  padding: 8px 12px;
}

.brand{
  display: flex;
  align-items: center;
  gap: 0;
}

.brand-logo{
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-ja{
  font-weight: 900;
  font-size: 20px;
  letter-spacing: 0.14em;
  background: linear-gradient(135deg, rgba(125,211,252,0.95), rgba(167,243,208,0.90));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 10px 30px rgba(0,0,0,0.35);
}

.brand-en{
  margin-top: 4px;
  font-weight: 900;
  font-size: 13px;
  letter-spacing: 0.36em;
  text-transform: uppercase;
  background: linear-gradient(135deg, rgba(125,211,252,0.92), rgba(167,243,208,0.82));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0.92;
}

.brand .logo{
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(125,211,252,0.9), rgba(167,243,208,0.85));
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}

.brand .title{
  font-weight: 900;
  letter-spacing: 0.2px;
}

.badge{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.06);
  color: var(--muted);
  font-size: 12px;
}

.hero{
  padding: 22px 18px;
  border: 1px solid var(--card-border);
  background: linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.05));
  border-radius: 18px;
  box-shadow: 0 14px 50px rgba(0,0,0,0.35);
}

.hero h1{
  margin: 0;
  font-size: 28px;
  line-height: 1.2;
}

.hero p{
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.hero .hero-lead{
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
}

.actions{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.btn{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  font-weight: 700;
}

.btn.primary{
  border: none;
  background: linear-gradient(135deg, rgba(125,211,252,0.95), rgba(167,243,208,0.90));
  color: rgba(0,0,0,0.78);
}

.btn:hover{
  transform: translateY(-1px);
}

.grid{
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
  margin-top: 16px;
}

.card{
  grid-column: span 6;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--card-border);
  background: var(--card);
  box-shadow: 0 10px 34px rgba(0,0,0,0.26);
}

.card h2{
  margin: 0 0 6px;
  font-size: 18px;
}

.card p{
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
  font-size: 14px;
}

.card .meta{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.card .meta .chip{
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.05);
  color: var(--muted);
  font-size: 12px;
}

.card .cta{
  margin-top: 14px;
}

.footer{
  margin-top: 24px;
  color: rgba(255,255,255,0.55);
  font-size: 12px;
  line-height: 1.6;
}

.footer a{ text-decoration: underline; }

@media (max-width: 860px){
  .card{ grid-column: span 12; }
  .hero h1{ font-size: 24px; }
}