*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.6;color:#1d1d1f;background:#fafafa}
header,main,footer{max-width:46rem;margin:0 auto;padding:0 1.25rem}
header{padding-top:2rem;padding-bottom:1rem;border-bottom:1px solid #e3e3e3}
header .brand{font-size:1.4rem;font-weight:700;color:#1d1d1f;text-decoration:none}
nav{margin-top:.5rem}
nav a{margin-right:1rem;color:#0b5cad;text-decoration:none;font-size:.95rem}
nav a:hover,main a:hover{text-decoration:underline}
main{padding-top:1.5rem;padding-bottom:2rem}
main a{color:#0b5cad}
h1{font-size:1.8rem;line-height:1.25;margin:.5rem 0 1rem}
h2{font-size:1.2rem;margin:2rem 0 .5rem}
.app{background:#fff;border:1px solid #e3e3e3;border-radius:10px;padding:1rem 1.25rem;margin:1rem 0}
.app h3{margin:0 0 .25rem;font-size:1.1rem}
.app p{margin:0}
.muted{color:#666;font-size:.9rem}
footer{border-top:1px solid #e3e3e3;padding-top:1rem;padding-bottom:2rem;font-size:.85rem;color:#666}
footer a{color:#666}
form input[type=text],form input[type=tel]{width:100%;max-width:22rem;padding:.55rem .7rem;font-size:1rem;border:1px solid #c9c9c9;border-radius:8px;margin-top:.25rem}
.check{display:flex;gap:.6rem;align-items:flex-start}
.check input{margin-top:.35rem;flex:none;width:1.1rem;height:1.1rem}
button{background:#0b5cad;color:#fff;border:0;border-radius:8px;padding:.7rem 1.4rem;font-size:1rem;font-weight:600;cursor:pointer}
button:hover{background:#094a8b}
.error{color:#b00020}