:root {
  --bg: #f6f7f8;
  --card: #ffffff;
  --text: #15171a;
  --muted: #6b7280;
  --border: #e5e7eb;
  --accent: #0f766e;
  --accent-soft: #e6f4f1;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover { text-decoration: underline; }

.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 18px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  color: var(--text);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  gap: 14px;
  font-size: 14px;
}

.page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 16px 48px;
}

.hero,
.article {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px;
  margin-bottom: 22px;
}

.hero-label {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
}

h1 {
  margin: 0 0 12px;
  font-size: 34px;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

h2 {
  margin: 0 0 16px;
  font-size: 22px;
}

.lead {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.grid {
  display: grid;
  gap: 16px;
}

.post-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  color: var(--text);
}

.post-card:hover {
  text-decoration: none;
  border-color: #cbd5e1;
}

.post-title {
  margin: 0 0 8px;
  font-size: 19px;
  line-height: 1.3;
}

.meta,
.breadcrumbs,
.site-footer {
  color: var(--muted);
  font-size: 14px;
}

.empty {
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: 16px;
  padding: 20px;
  color: var(--muted);
}

.match-box {
  margin: 18px 0 22px;
  padding: 16px;
  border-radius: 14px;
  background: var(--bg);
  border: 1px solid var(--border);
}

.match-title {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 700;
}

.article-body {
  max-width: 780px;
}

.article-body p {
  margin: 0 0 14px;
}

.article img {
  max-width: 100%;
  height: auto;
  border-radius: 14px;
  border: 1px solid var(--border);
}

.site-footer {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 16px 36px;
}

@media (max-width: 640px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav { flex-wrap: wrap; }

  .page { padding-top: 18px; }

  .hero,
  .article {
    padding: 20px;
    border-radius: 14px;
  }

  h1 { font-size: 27px; }

  .lead { font-size: 16px; }
}

.post-card-image {
  display: block;
  width: 100%;
  aspect-ratio: 1200 / 630;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--border);
  margin-bottom: 14px;
  background: var(--bg);
}