:root{
  --bg:#ffffff; --text:#111827; --muted:#6b7280; --border:#e5e7eb;
  --panel:#ffffff; --panel2:#f9fafb; --primary:#2563eb; --primary2:#3b82f6;
  --shadow:0 10px 30px rgba(17,24,39,.08); --radius:16px; --max:1120px;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,"Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic",sans-serif;background:var(--bg);color:var(--text)}
a{color:inherit;text-decoration:none}
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.header-inner{max-width:var(--max);margin:0 auto;padding:14px 18px;display:flex;align-items:center;gap:14px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:.2px}
.mark{width:34px;height:34px;border-radius:12px;background:radial-gradient(18px 18px at 30% 30%,rgba(59,130,246,.85),rgba(37,99,235,1));box-shadow:0 12px 20px rgba(37,99,235,.18)}
.spacer{flex:1}
.nav{display:flex;gap:12px;align-items:center;color:rgba(17,24,39,.86);font-weight:650}
.nav a{padding:10px 10px;border-radius:12px}
.nav a:hover{background:rgba(37,99,235,.06)}
.nav a.active{background:rgba(37,99,235,.10);color:rgba(37,99,235,1)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 16px;border-radius:14px;border:1px solid var(--border);background:var(--panel);font-weight:750}
.btn-primary{border:none;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:0 14px 26px rgba(37,99,235,.20)}
.btn:hover{transform:translateY(-1px)} .btn:active{transform:translateY(0)}
.container{max-width:var(--max);margin:0 auto;padding:24px 18px 70px}
.grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
@media (max-width:980px){.grid{grid-template-columns:1fr}.nav{display:none}}
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.hero{padding:26px;background:radial-gradient(900px 420px at 10% 0%,rgba(37,99,235,.10),transparent 55%),radial-gradient(800px 360px at 90% 10%,rgba(59,130,246,.08),transparent 52%),var(--panel)}
.kicker{display:inline-flex;gap:10px;align-items:center;color:rgba(37,99,235,1);font-weight:850;font-size:13px}
.dot{width:8px;height:8px;border-radius:999px;background:rgba(37,99,235,1)}
.h1{font-size:44px;line-height:1.07;margin:12px 0 12px;font-weight:950;letter-spacing:-.02em}
.lead{color:var(--muted);font-size:16px;line-height:1.7;margin:0}
.hero-cta{margin-top:18px;display:flex;gap:12px;flex-wrap:wrap}
.note{margin-top:14px;color:var(--muted);font-size:13px;line-height:1.7}
.section{margin-top:18px}
.h2{font-size:18px;margin:0 0 12px;font-weight:900}
.pills{display:flex;gap:10px;flex-wrap:wrap}
.pill{padding:10px 12px;border-radius:999px;border:1px solid var(--border);background:var(--panel2);font-weight:750;font-size:13px}
.pill:hover{border-color:rgba(37,99,235,.30);background:rgba(37,99,235,.06)}
.list{display:grid;gap:12px}
.item{display:block;padding:14px;border-radius:16px;border:1px solid var(--border);background:var(--panel)}
.item:hover{border-color:rgba(37,99,235,.35);box-shadow:0 10px 22px rgba(17,24,39,.06)}
.row{display:flex;gap:12px;align-items:flex-start;justify-content:space-between}
.title{font-weight:950}
.badge{font-size:12px;font-weight:850;padding:6px 10px;border-radius:999px;background:rgba(37,99,235,.10);color:rgba(37,99,235,1);border:1px solid rgba(37,99,235,.18)}
.desc{margin-top:8px;color:rgba(17,24,39,.88);line-height:1.6}
.meta{margin-top:8px;color:var(--muted);font-size:12.5px}
.side{padding:18px}
.search{display:flex;gap:10px;margin-top:10px}
.input{width:100%;padding:12px 12px;border-radius:14px;border:1px solid var(--border);background:var(--panel2);outline:none;color:var(--text)}
.input:focus{border-color:rgba(37,99,235,.45);box-shadow:0 0 0 4px rgba(37,99,235,.10)}
.small{font-size:12.5px;color:var(--muted);line-height:1.7}
.hr{height:1px;background:var(--border);margin:16px 0}
.footer{border-top:1px solid var(--border);background:var(--panel)}
.footer-inner{max-width:var(--max);margin:0 auto;padding:18px;display:flex;gap:14px;justify-content:space-between;flex-wrap:wrap;color:var(--muted);font-size:13px}
.choiceGrid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
@media (max-width:980px){.choiceGrid{grid-template-columns:1fr 1fr}}
.choice{padding:14px;border-radius:16px;border:1px solid var(--border);background:var(--panel2);font-weight:900;text-align:center}
.choice:hover{background:rgba(37,99,235,.06);border-color:rgba(37,99,235,.30)}
.progress{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:12.5px}
.bar{flex:1;height:8px;background:#eef2ff;border-radius:999px;overflow:hidden;border:1px solid rgba(37,99,235,.10)}
.fill{height:100%;width:28%;background:rgba(37,99,235,.75)}
.columns{display:grid;grid-template-columns:1fr .75fr;gap:22px}
@media (max-width:980px){.columns{grid-template-columns:1fr}}
.box{padding:20px}
.ul{margin:10px 0 0;padding-left:18px;color:rgba(17,24,39,.86);line-height:1.7}
.tagRow{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.tag{padding:8px 10px;border-radius:999px;background:rgba(37,99,235,.06);border:1px solid rgba(37,99,235,.12);color:rgba(37,99,235,1);font-weight:800;font-size:12px}