main {padding: 30px 0;}
main ul {display: flex; flex-direction: column; gap: 25px;}
main ul li a {display: block; border: 1px solid #ddd; border-radius: 10px; padding: 30px 25px;}
main ul li a h3 {font-size: 24px; font-weight: 600; letter-spacing: -1px; line-height: 1.4; margin-bottom: 15px;}
main ul li a p {font-size: 20px; letter-spacing: -1px; line-height: 1.5;}

@media screen and (max-width: 720px) {
  main {padding: 15px 0;}
  main ul {gap: 15px;}
  main ul li a {padding: 25px 15px;}
  main ul li a h3 {font-size: 20px;}
  main ul li a p {font-size: 16px;}
}