* { box-sizing: border-box; }
body {
  margin: 0;
  color: #222;
  background: #fff6e9;
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}
main { width: min(100% - 40px, 560px); margin: 64px auto; }
h1 { margin: 0 0 6px; font-size: 28px; line-height: 1.4; }
.intro { margin: 0 0 28px; color: #555; font-size: 16px; }
table { width: 100%; border-collapse: collapse; font-size: 18px; }
th, td { padding: 18px 0; border-bottom: 1px solid #e5e5e5; text-align: left; }
thead th { padding: 10px 0; color: #777; font-size: 14px; font-weight: 400; }
tbody th { font-weight: 500; }
.video-note { color: #1769c2; font-size: 14px; white-space: nowrap; }
td, thead th:last-child { text-align: right; }
td { font-weight: 600; white-space: nowrap; }
.contact { margin: 24px 0 0; color: #c62222; font-size: clamp(24px, 5.8vw, 30px); font-weight: 700; }
.contact strong { font-weight: 600; white-space: nowrap; user-select: all; }
@media (max-width: 600px) {
  main { margin-top: 32px; }
}