:root {
  --navy: #1F3864;
  --navy-light: #DCE6F1;
  --green: #E2EFDA;
  --red: #FCE4E4;
  --gray: #F2F2F2;
  --text: #2b2b2b;
  --muted: #666;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Apple SD Gothic Neo", "Malgun Gothic", "맑은 고딕", sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.6;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  border-bottom: 3px solid var(--navy);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  flex-wrap: wrap;
}

.brand {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--navy);
  text-decoration: none;
}

.nav {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.nav a {
  color: var(--text);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.92rem;
  font-weight: 600;
}

.nav a:hover { background: var(--navy-light); }
.nav a.active { background: var(--navy); color: #fff; }

main.wrap { padding: 32px 20px 60px; min-height: 60vh; }

h1 { color: var(--navy); font-size: 1.9rem; margin-bottom: 6px; }
h2 { color: var(--navy); font-size: 1.3rem; margin-top: 34px; margin-bottom: 12px; border-left: 5px solid var(--navy); padding-left: 10px; }
h3 { color: #7F6000; margin-top: 0; }

.subtitle { color: var(--muted); font-size: 0.95rem; margin-bottom: 20px; }
.lead { font-size: 1.02rem; margin-bottom: 8px; }
.closing { margin-top: 24px; }
.disclaimer { font-size: 0.8rem; color: #999; font-style: italic; margin-top: 18px; }

table { border-collapse: collapse; width: 100%; font-size: 0.92rem; }
th, td { border: 1px solid #ddd; padding: 8px 10px; text-align: left; }
th { background: var(--navy); color: #fff; text-align: center; }
td.c { text-align: center; }

.kw-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.kw-table tbody tr:nth-child(odd) { background: #fafafa; }

@media (max-width: 720px) {
  .kw-grid { grid-template-columns: 1fr; }
}

.tag { display: inline-block; padding: 2px 10px; border-radius: 12px; font-weight: 700; font-size: 0.85rem; }
.tag-blue { background: var(--navy-light); color: var(--navy); }
.tag-red { background: var(--red); color: #b00; }
.tag-green { background: var(--green); color: #227722; }

.trend-table td.trend-label { font-weight: 700; width: 220px; }
.trend-table tr td:first-child.tag-blue,
.trend-label.tag-blue { background: var(--navy-light); }
.trend-label.tag-red { background: var(--red); }
.trend-label.tag-green { background: var(--green); }

.product-table td.cat-cell { font-weight: 700; text-align: center; background: var(--gray); width: 110px; }

.action-box { background: #FFF2CC; border-radius: 8px; padding: 16px 20px; margin-top: 26px; }
.action-box p { margin: 6px 0; }

.hero { padding: 30px 0 10px; text-align: center; }
.hero h1 { font-size: 2rem; }
.hero .lead { max-width: 720px; margin: 10px auto 0; color: var(--muted); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 30px;
}
@media (max-width: 720px) { .card-grid { grid-template-columns: 1fr; } }

.card {
  display: block;
  border: 1px solid #ddd;
  border-radius: 10px;
  padding: 20px;
  text-decoration: none;
  color: var(--text);
  transition: box-shadow .15s, border-color .15s;
}
.card:hover { border-color: var(--navy); box-shadow: 0 4px 14px rgba(31,56,100,0.12); }
.card h3 { color: var(--navy); margin: 0 0 6px; }
.card p { margin: 0; color: var(--muted); font-size: 0.9rem; }

.intro-text { margin-top: 50px; border-top: 1px solid #eee; padding-top: 24px; }

.site-footer {
  border-top: 1px solid #eee;
  margin-top: 40px;
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 0.85rem;
}
.footer-links a { color: var(--navy); text-decoration: none; }
.footer-note { font-size: 0.75rem; color: #999; margin-top: 8px; }

.subnav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid #eee;
}
.subnav a {
  padding: 6px 14px;
  border: 1px solid var(--navy-light);
  border-radius: 16px;
  color: var(--navy);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
}
.subnav a:hover { background: var(--navy-light); }
.subnav a.active { background: var(--navy); color: #fff; border-color: var(--navy); }

.rank-list {
  list-style: none;
  padding: 0;
  margin: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.rank-list li {
  display: flex;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid #ddd;
  border-radius: 10px;
  align-items: flex-start;
}
.rank-num {
  flex: 0 0 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
}
.rank-body h4 { margin: 0 0 4px; color: var(--navy); font-size: 1rem; }
.rank-body p { margin: 0; color: var(--muted); font-size: 0.9rem; }