.install-steps{counter-reset:steps;list-style:none;margin:2rem 0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.4rem}.install-steps li{padding:1.5rem;border:1px solid var(--line,#ddd);border-radius:18px}.install-steps li::before{counter-increment:steps;content:counter(steps,decimal-leading-zero);display:block;font-size:.8rem;letter-spacing:.1em;color:#466c60;margin-bottom:.8rem}.install-steps p{margin-bottom:0}.mobile-actual{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.4rem}.mobile-actual figure{margin:0}.mobile-actual img{width:100%;height:auto;display:block;border-radius:18px}.mobile-actual figcaption{font-size:.85rem;line-height:1.6;padding-top:1rem}.handbook section{scroll-margin-top:1rem}@media(max-width:700px){.install-steps{grid-template-columns:1fr}.mobile-actual{grid-template-columns:1fr;max-width:400px;margin-inline:auto}.mobile-actual img{max-height:720px;object-fit:contain}}