* { box-sizing: border-box; }
body {
  margin: 0;
  color: #142729;
  background: #f5f7f7;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
header {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 14px; color: inherit; text-decoration: none; }
.mark {
  width: 48px; height: 48px; display: grid; place-items: center;
  border-radius: 15px 15px 20px 14px; background: #146d73; color: #fff;
  font-family: serif; font-size: 23px;
}
.brand strong { display: block; font-size: 23px; }
.brand small { display: block; margin-top: 5px; color: #728081; font-size: 12px; }
.location { color: #146d73; font-size: 13px; }
main { max-width: 1120px; margin: 0 auto; padding: 24px; }
.hero { padding: 54px 0 50px; border-top: 1px solid #e4eaea; border-bottom: 1px solid #e4eaea; }
.eyebrow { color: #146d73; font-size: 12px; font-weight: 700; letter-spacing: .15em; }
h1 { max-width: 750px; margin: 14px 0 18px; font-size: clamp(36px, 6vw, 64px); line-height: 1.14; letter-spacing: -.04em; }
.hero > p:last-child { max-width: 720px; color: #647475; font-size: 16px; line-height: 1.8; }
section { margin-top: 48px; }
.section-head { margin-bottom: 20px; display: flex; align-items: end; justify-content: space-between; }
h2 { margin: 0; font-size: 27px; }
.section-head span { color: #728081; font-size: 13px; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
article { overflow: hidden; border: 1px solid #e3e9e9; border-radius: 18px; background: #fff; }
article img { width: 100%; height: 270px; object-fit: cover; }
article div { padding: 18px; }
h3 { margin: 0; font-size: 17px; line-height: 1.45; }
article p { margin: 10px 0 13px; color: #728081; font-size: 13px; }
article strong { color: #146d73; font-size: 22px; }
.about { padding: 28px; border-radius: 18px; background: #e5f2f1; }
.about p { max-width: 850px; color: #506465; font-size: 14px; line-height: 1.8; }
footer { max-width: 1120px; margin: 30px auto 0; padding: 28px 24px 40px; display: flex; justify-content: space-between; gap: 20px; color: #8b9798; font-size: 12px; }
footer a { color: #146d73; text-decoration: none; }
.policy { max-width: 820px; padding-top: 46px; }
.policy h1 { font-size: clamp(34px, 6vw, 54px); }
.policy h2 { margin-top: 34px; font-size: 22px; }
.policy p, .policy li { color: #596a6b; font-size: 15px; line-height: 1.9; }
.policy ul { padding-left: 22px; }
.back-link { color: #146d73; text-decoration: none; font-size: 13px; }
@media (max-width: 680px) {
  header { padding: 20px; }
  main { padding: 16px 20px; }
  .grid { grid-template-columns: 1fr; }
  article img { height: 220px; }
}