:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  color: #24272b;
  background: #fff;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-text-size-adjust: 100%;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  font-size: 16px;
  line-height: 1.75;
}

.page {
  width: min(100%, 720px);
  margin: 0 auto;
  padding: 64px 28px 32px;
  flex: 1;
}

.site-header { margin-bottom: 40px; }
.domain, .eyebrow { margin: 0 0 8px; color: #626a73; font-size: 14px; }
.domain { letter-spacing: .04em; }
h1, h2 { margin: 0; color: #202328; line-height: 1.35; }
h1 { font-size: clamp(30px, 6vw, 40px); font-weight: 700; letter-spacing: .02em; }
h2 { font-size: 23px; font-weight: 650; }
p { margin: 12px 0 0; }
.intro { color: #626a73; }

.entry {
  padding: 28px 0;
  border-top: 1px solid #e5e8ec;
}

.entry > p:not(.eyebrow) { max-width: 38em; }
.account-id { color: #626a73; font-size: 14px; }
.entry-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  margin-top: 18px;
  color: #28557f;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

a:hover { color: #173c60; }
a:focus-visible { outline: 2px solid #28557f; outline-offset: 5px; border-radius: 2px; }
.site-footer {
  text-align: center;
  width: min(100%, 720px);
  margin: 0 auto;
  padding: 24px 28px;
  color: #626a73;
  font-size: 13px;
}
.site-footer a { color: inherit; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; text-underline-offset: 3px; }

.not-found { padding: 32px 0; }
.not-found h1 { font-size: 32px; }

@media (max-width: 480px) {
  .page { padding: 36px 20px 20px; }
  .site-header { margin-bottom: 30px; }
  .entry { padding: 24px 0; }
  .site-footer { padding: 24px 20px; }
}
