:root {
  --ink: #22333b;
  --teal: #1f7a72;
  --teal-soft: #e8f4f2;
  --coral: #e2725b;
  --paper: #fffdf8;
  --line: #e5ded2;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Georgia, 'Times New Roman', serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.75;
  font-size: 1.06rem;
}
.site-header {
  display: flex; justify-content: space-between; align-items: center;
  max-width: 720px; margin: 0 auto; padding: 1.2rem 1rem;
  border-bottom: 1px solid var(--line);
}
.logo { font-weight: bold; font-size: 1.3rem; text-decoration: none; color: var(--ink); letter-spacing: -0.02em; }
.logo span { color: var(--teal); }
.site-header nav a { margin-left: 1.2rem; color: var(--ink); text-decoration: none; font-size: 0.95rem; }
.site-header nav a:hover { color: var(--teal); }
main { max-width: 720px; margin: 0 auto; padding: 1.5rem 1rem 3rem; }
h1 { font-size: 1.9rem; line-height: 1.3; margin: 1rem 0 0.4rem; }
h2 { font-size: 1.35rem; margin-top: 2.2rem; color: var(--ink); }
h3 { font-size: 1.1rem; margin-top: 1.8rem; }
a { color: var(--teal); }
.meta { color: #8a8175; font-size: 0.9rem; margin: 0 0 0.6rem; }
.disclosure-note {
  font-size: 0.85rem; color: #8a8175; background: var(--teal-soft);
  padding: 0.5rem 0.9rem; border-radius: 8px;
}
blockquote {
  border-left: 3px solid var(--teal); margin: 1.4rem 0; padding: 0.2rem 1.1rem;
  background: var(--teal-soft); border-radius: 0 8px 8px 0; color: #33443f;
}
.btn {
  display: inline-block; background: var(--coral); color: #fff !important;
  padding: 0.7rem 1.3rem; border-radius: 10px; text-decoration: none;
  font-family: system-ui, sans-serif; font-weight: 600; font-size: 0.98rem;
}
.btn:hover { filter: brightness(1.06); }
.card-list { list-style: none; padding: 0; }
.card-list li {
  border: 1px solid var(--line); border-radius: 12px; padding: 1rem 1.2rem;
  margin-bottom: 1rem; background: #fff;
}
.card-list li a.title { font-size: 1.15rem; font-weight: bold; text-decoration: none; }
.card-list li p { margin: 0.4rem 0 0; font-size: 0.95rem; color: #5c5648; }
.site-footer {
  max-width: 720px; margin: 0 auto; padding: 1.4rem 1rem 2.5rem;
  border-top: 1px solid var(--line); font-size: 0.88rem; color: #8a8175;
}
.footer-small { font-size: 0.8rem; }
img { max-width: 100%; border-radius: 10px; }
table { border-collapse: collapse; width: 100%; font-size: 0.95rem; }
th, td { border: 1px solid var(--line); padding: 0.5rem 0.7rem; text-align: left; }
th { background: var(--teal-soft); }