:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: #171717;
  background: #fff;
  font-synthesis: none;
}

* { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; }
a:focus-visible { outline: 3px solid #171717; outline-offset: 6px; }

.skip-link {
  position: absolute;
  top: 12px;
  left: 20px;
  z-index: 2;
  padding: 12px 18px;
  background: #171717;
  color: #fff;
  transform: translateY(-200%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: block; width: 168px; height: 48px; object-fit: contain; object-position: left center; }
.home-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 0;
  font-size: 14px;
  text-underline-offset: 5px;
  white-space: nowrap;
}

main { max-width: 1000px; margin: 0 auto; padding: 60px 32px 88px; }
.intro { margin-bottom: 40px; }
.eyebrow { margin: 0 0 14px; color: #626262; font-size: 14px; letter-spacing: .08em; }
h1 { margin: 0; font-size: clamp(32px, 5vw, 46px); font-weight: 650; line-height: 1.25; letter-spacing: -.035em; }
.intro-text { margin: 18px 0 0; color: #626262; font-size: 16px; line-height: 1.75; }
.entries { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.entry-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 32px;
  border: 1px solid #d8d8d8;
  border-radius: 16px;
  background: #fff;
  text-decoration: none;
}
.entry-card:hover { border-color: #171717; background: #fafafa; }
.card-label { color: #626262; font-size: 13px; line-height: 1.5; }
h2 { margin: 18px 0 12px; font-size: 27px; font-weight: 650; line-height: 1.35; }
.entry-card p { margin: 0 0 36px; max-width: 26em; color: #626262; font-size: 16px; line-height: 1.8; }
.card-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: auto;
  padding-top: 22px;
  border-top: 1px solid #e6e6e6;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}
.card-action > span { font-size: 22px; font-weight: 400; }

@media (max-width: 640px) {
  .site-header { padding: 20px; gap: 16px; }
  .brand { width: 140px; height: 40px; }
  main { padding: 38px 20px 56px; }
  .intro { margin-bottom: 28px; }
  .entries { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .entry-card { padding: 26px 24px; }
  .entry-card p { margin-bottom: 28px; }
}
