:root{
  --bg:#f6fbff;
  --card:#ffffffcc;
  --text:#10233f;
  --muted:#4f6682;
  --border:rgba(30,79,138,.16);
  --accent:#2563eb;
  --accent2:#22d3ee;
  --shadow:0 14px 36px rgba(20,56,99,.12);
  --radius:16px;
  --max:1040px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  color:var(--text);
  background:
    radial-gradient(900px 420px at 8% -12%, rgba(37,99,235,.22), transparent 60%),
    radial-gradient(780px 460px at 92% 0%, rgba(34,211,238,.20), transparent 56%),
    linear-gradient(130deg, rgba(255,255,255,.9), rgba(241,250,255,.95)),
    var(--bg);
  line-height:1.6;
}

a{color:inherit}
.container{max-width:var(--max); margin:0 auto; padding:28px 18px}
.skip{position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden}
.skip:focus{left:18px; top:14px; width:auto; height:auto; padding:10px 12px; background:#fff; border:1px solid var(--border); border-radius:10px; z-index:1000}

header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:14px 0 22px;
}
.brand{
  display:flex;
  flex-direction:column;
  gap:2px;
  text-decoration:none;
}
.brand strong{font-size:15px; letter-spacing:.2px}
.brand span{font-size:12px; color:var(--muted)}
nav{display:flex; gap:10px; flex-wrap:wrap; justify-content:flex-end}
nav a{
  text-decoration:none;
  font-size:13px;
  padding:8px 10px;
  border:1px solid var(--border);
  border-radius:999px;
  background:rgba(255,255,255,.78);
}
nav a:hover{border-color:rgba(37,99,235,.4); box-shadow:0 0 0 3px rgba(37,99,235,.08)}

.hero{
  border:1px solid var(--border);
  border-radius:calc(var(--radius) + 4px);
  background:
    radial-gradient(circle at 95% 8%, rgba(34,211,238,.22), transparent 40%),
    linear-gradient(155deg, rgba(37,99,235,.08), rgba(255,255,255,.88) 42%);
  box-shadow:var(--shadow);
  padding:26px 20px;
  backdrop-filter: blur(4px);
}
.kicker{
  display:inline-flex;
  gap:8px;
  align-items:center;
  font-size:12px;
  color:var(--muted);
  border:1px solid var(--border);
  padding:6px 10px;
  border-radius:999px;
  background:rgba(255,255,255,.85);
}
.hero h1{margin:12px 0 8px; font-size:30px; line-height:1.2}
.hero p{margin:0; color:var(--muted)}

.grid{display:grid; gap:14px}
@media (min-width:860px){
  .grid.cols-3{grid-template-columns:repeat(3, 1fr)}
  .grid.cols-2{grid-template-columns:repeat(2, 1fr)}
}

.section{margin-top:22px}
.section h2{margin:0 0 10px; font-size:18px}
.card{
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--card);
  padding:16px;
  box-shadow:var(--shadow);
  backdrop-filter: blur(4px);
}
.card h3{margin:0 0 6px; font-size:16px}
.card p{margin:0; color:var(--muted)}
.list{margin:10px 0 0; padding-left:18px; color:var(--muted)}
.list li{margin:6px 0}

.tableWrap{
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:auto;
  background:rgba(255,255,255,.86);
  box-shadow:var(--shadow);
}
table{border-collapse:collapse; width:100%; min-width:720px}
th,td{padding:12px 12px; border-bottom:1px solid var(--border); text-align:left; vertical-align:top}
th{font-size:12px; color:var(--muted); font-weight:600}
td{font-size:14px}
tr:last-child td{border-bottom:none}

.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  font-size:12px;
  color:var(--muted);
  background:rgba(255,255,255,.95);
  white-space:nowrap;
}
.pill.high{color:#8b1e1e; border-color:rgba(239,68,68,.35); background:rgba(254,226,226,.85)}
.pill.mid{color:#0f4c6a; border-color:rgba(34,211,238,.45); background:rgba(207,250,254,.9)}

.ctaRow{display:flex; flex-wrap:wrap; gap:10px; margin-top:14px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  text-decoration:none;
  font-weight:650;
  font-size:13px;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid rgba(30,79,138,.18);
  background:rgba(255,255,255,.92);
}
.btn.primary{
  background:linear-gradient(135deg, rgba(37,99,235,.95), rgba(34,211,238,.85));
  border-color:transparent;
  color:#fff;
  box-shadow:0 10px 24px rgba(37,99,235,.26), 0 0 0 1px rgba(255,255,255,.4) inset;
}
.btn:hover{filter:brightness(1.04); transform:translateY(-1px)}
.btn:active{transform:translateY(1px)}

.muted{color:var(--muted)}
.note{font-size:12px; color:var(--muted); margin-top:10px}

footer{
  margin-top:26px;
  padding:18px 0 8px;
  border-top:1px solid var(--border);
  color:var(--muted);
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:space-between;
}
footer a{text-decoration:none; border-bottom:1px dotted rgba(30,79,138,.34)}
footer a:hover{border-bottom-color:rgba(37,99,235,.6)}
