footer{
  display:grid;
  grid-template-columns:1fr 1.5fr 1.15fr;
  gap:42px;
  padding:50px 5vw;
  background:#123c30;
  color:#fff;
}
footer b{
  font-family:Georgia,serif;
  font-size:1.7rem;
}
footer h3{
  margin:0 0 12px;
  font-family:Georgia,serif;
  font-size:1.05rem;
}
footer p,
footer li{
  margin:0 0 9px;
  line-height:1.5;
  font-size:.88rem;
}
footer ul{
  margin:0;
  padding-left:18px;
}
footer .footer-brand p,
footer .footer-note{
  opacity:.72;
}
footer .footer-brand p:first-of-type{
  margin-top:10px;
}
footer .footer-subtitle{
  margin-top:24px;
}
@media (max-width:900px){
  footer{
    grid-template-columns:1fr 1fr;
  }
  footer .footer-brand{
    grid-column:1 / -1;
  }
}
@media (max-width:620px){
  footer{
    display:block;
    padding:40px 5vw;
  }
  footer .footer-block + .footer-block{
    margin-top:28px;
  }
}
footer .footer-details{
  margin:0;
  border-top:1px solid rgba(255,255,255,.18);
  border-bottom:1px solid rgba(255,255,255,.18);
  padding:10px 0;
}
footer .footer-details summary{
  cursor:pointer;
  font-weight:800;
  font-size:.92rem;
  list-style:none;
}
footer .footer-details summary::-webkit-details-marker{display:none}
footer .footer-details summary::after{
  content:"＋";
  float:right;
  opacity:.7;
}
footer .footer-details[open] summary::after{content:"−"}
footer .footer-details > p:first-of-type{margin-top:12px}