:root{
  --bg:#0b0c10; --card:#11131a; --text:#e9eaf0; --muted:#b7bac7;
  --line:#262a36; --accent:#7c5cff; --accent2:#35d0ba;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius:18px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", "Yu Gothic", "Meiryo", sans-serif;
  background: radial-gradient(1200px 800px at 20% -10%, rgba(124,92,255,.25), transparent 60%),
              radial-gradient(900px 700px at 90% 10%, rgba(53,208,186,.18), transparent 55%),
              var(--bg);
  color:var(--text);
  line-height:1.7;
}
a{color:inherit; text-decoration:none}
a:hover{opacity:.9}
.container{max-width:1080px; margin:0 auto; padding: 22px 16px 60px}
header{
  position:sticky; top:0; z-index:50;
  backdrop-filter:saturate(140%) blur(10px);
  background: rgba(11,12,16,.65);
  border-bottom:1px solid rgba(38,42,54,.7);
}
.nav{
  max-width:1080px; margin:0 auto;
  display:flex; align-items:center; gap:14px;
  padding: 14px 16px;
}
.brand{
  display:flex; align-items:center; gap:10px; font-weight:800; letter-spacing:.2px
}
.brand-badge{
  width:28px;height:28px;border-radius:9px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: var(--shadow);
}
.navlinks{margin-left:auto; display:flex; gap:10px; flex-wrap:wrap}
.navlinks a{
  padding:8px 10px; border-radius:12px;
  color:var(--muted);
}
.navlinks a.active, .navlinks a:hover{
  color:var(--text);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.06);
}
.hero{
  margin: 18px 0 18px;
  padding: 22px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.08);
  box-shadow: var(--shadow);
}
.kicker{color:var(--muted); font-weight:600}
h1{font-size: clamp(24px, 2.5vw, 34px); margin:.35em 0 .2em}
h2{font-size: clamp(18px, 2vw, 24px); margin: 22px 0 10px}
h3{font-size: 16px; margin: 18px 0 8px; color: var(--text)}
p{margin: 10px 0}
.grid{
  display:grid; gap:12px;
  grid-template-columns: repeat(12, 1fr);
}
.card{
  grid-column: span 12;
  padding: 16px;
  border-radius: var(--radius);
  background: rgba(17,19,26,.72);
  border:1px solid rgba(255,255,255,.08);
  box-shadow: var(--shadow);
}
@media(min-width: 860px){
  .card.half{grid-column: span 6}
  .card.third{grid-column: span 4}
}
.badges{display:flex; flex-wrap:wrap; gap:8px; margin: 10px 0 0}
.badge{
  font-size:12px; color: var(--muted);
  padding: 6px 10px; border-radius: 999px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
}
.table{
  width:100%; border-collapse: separate; border-spacing:0;
  overflow:hidden; border-radius: 14px;
  border:1px solid rgba(255,255,255,.10);
}
.table th,.table td{
  padding: 12px 12px;
  border-bottom:1px solid rgba(255,255,255,.08);
  vertical-align:top;
}
.table th{
  text-align:left; color: var(--muted);
  background: rgba(255,255,255,.03);
  font-weight:700;
}
.table tr:last-child td{border-bottom:none}
.note{
  color: var(--muted);
  padding: 12px 14px;
  border-radius: 14px;
  border:1px dashed rgba(255,255,255,.18);
  background: rgba(255,255,255,.03);
}
.cta{
  display:flex; flex-wrap:wrap; gap:10px; align-items:center;
  padding: 14px; border-radius: 16px;
  border:1px solid rgba(255,255,255,.10);
  background: linear-gradient(135deg, rgba(124,92,255,.16), rgba(53,208,186,.12));
}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 10px 14px; border-radius: 14px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: var(--text);
  font-weight:800;
}
.btn.primary{
  border:none;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
}
.small{font-size: 13px; color: var(--muted)}
ul{margin: 8px 0 12px 18px}
footer{
  margin-top: 34px;
  padding-top: 16px;
  border-top: 1px solid rgba(38,42,54,.8);
  color: var(--muted);
}
footer a{color: var(--muted); text-decoration: underline}
.breadcrumb{color: var(--muted); font-size: 13px; margin: 10px 0 0}