html,body{margin:0;background:#fff}

.hdA{
  --acc:#635bff; --ink:#0a2540; --body:#374151; --sub:#4b5563; --line:#e6e9ee;
  font-family:system-ui,-apple-system,"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;
  background:#fff;box-shadow:0 1px 0 var(--line);
}
.hdA__in{max-width:1160px;margin:0 auto;height:72px;padding:0 24px;display:flex;align-items:center;gap:32px}
.hdA__logo{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);text-decoration:none}
.hdA__nav{display:flex;gap:28px;margin-left:auto}
.hdA__nav a{font-size:13.5px;font-weight:600;color:var(--body);text-decoration:none;transition:color .12s}
.hdA__nav a:hover{color:var(--acc)}
.hdA__cta{
  display:inline-flex;align-items:center;height:40px;padding:0 20px;border-radius:6px;background:var(--acc);
  color:#fff;font-size:13px;font-weight:700;text-decoration:none;
}
@media (max-width:820px){ .hdA__nav{display:none} .hdA__in{gap:0;justify-content:space-between} }