.guide{max-width:860px}.guide h1{font-size:clamp(2.2rem,5vw,3.5rem);line-height:1.15;margin:28px 0}.guide section{margin:36px 0}.guide h2{font-size:1.6rem;line-height:1.3}.guide p{line-height:1.85}.guide .card{padding:30px}.guide a{color:#62459a;text-decoration:underline}.guide aside{margin-top:40px}@media(max-width:640px){.header nav{display:flex;flex-wrap:wrap;gap:12px}.header{flex-wrap:wrap}.guide .card{padding:22px}}