/* プロパンガス白書 — 共通CSS（モックv2 helmet の <style> を移設・内容は不変） */
body{margin:0;font-family:"Noto Sans JP",system-ui,sans-serif;color:#1d2433;background:#ffffff;-webkit-font-smoothing:antialiased}
a{color:#14324f}a:hover{color:#0c2236}
table{border-collapse:collapse}
button{font-family:inherit;cursor:pointer}
.g3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.cmp-mobile{display:none}
@media (max-width:767px){
  .g3{grid-template-columns:1fr}
  .hero{padding:20px 16px 24px !important}
  .hero-h1{font-size:28px !important;line-height:1.4 !important}
  .hero-lead{font-size:16px !important;line-height:1.65 !important}
  .quiz{padding:16px !important}
  .sec{padding-top:28px !important}
  .h2{font-size:22px !important}
  .cmp-desktop{display:none}
  .cmp-mobile{display:flex}
}