:root {
  --ds-surface: #f7f8f9;
  --ds-surface-raised: #ffffff;
  --ds-surface-sunken: #f1f2f4;
  --ds-border: #dfe1e6;
  --ds-border-bold: #c1c7d0;
  --ds-text: #172b4d;
  --ds-text-subtle: #5e6c84;
  --ds-link: #0c66e4;
  --ds-link-hover: #0055cc;
  --ds-brand: #0c66e4;
  --ds-brand-hover: #0055cc;
  --ds-accent: #e9f2ff;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(9, 30, 66, 0.16);
  --shadow-md: 0 4px 10px rgba(9, 30, 66, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  color: var(--ds-text);
  background: var(--ds-surface);
}

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

a:hover {
  color: var(--ds-link-hover);
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--ds-border);
  background: color-mix(in srgb, var(--ds-surface-raised) 92%, transparent);
  backdrop-filter: blur(10px);
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.top-nav {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 0;
}

.brand-wrap {
  display: grid;
  gap: 0.15rem;
}

.brand {
  color: var(--ds-text);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand-subtitle {
  margin: 0;
  color: var(--ds-text-subtle);
  font-size: 0.76rem;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem;
}

.nav-item {
  display: inline-flex;
  align-items: center;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.42rem 0.72rem;
  color: var(--ds-text-subtle);
  font-size: 0.88rem;
  font-weight: 600;
}

.nav-item:hover {
  text-decoration: none;
  color: var(--ds-text);
  border-color: var(--ds-border);
  background: var(--ds-surface-raised);
}

.nav-item-strong {
  color: var(--ds-brand);
  border-color: #b3d4ff;
  background: var(--ds-accent);
}

.session-badge {
  margin: 0;
  border: 1px solid var(--ds-border);
  border-radius: 999px;
  padding: 0.28rem 0.6rem;
  color: var(--ds-text-subtle);
  font-size: 0.76rem;
  white-space: nowrap;
}

.session-icon {
  display: inline-flex;
  vertical-align: middle;
  font-size: 1rem;
}

.page-content {
  padding: 1.15rem 0 2.2rem;
}

.stack {
  display: grid;
  gap: 1rem;
}

.panel {
  background: var(--ds-surface-raised);
  border: 1px solid var(--ds-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 1rem 1.2rem;
  margin: 0;
}

.hero-panel {
  background: linear-gradient(135deg, #ffffff 0%, #f7fbff 68%, #f0fffb 100%);
  border-color: #c7ddff;
}

.hero-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1.7fr 1fr;
  align-items: start;
}

.hero-title {
  margin: 0;
  font-size: clamp(1.35rem, 1.1rem + 1.2vw, 1.9rem);
  line-height: 1.35;
}

.hero-copy {
  margin: 0.75rem 0;
  color: var(--ds-text-subtle);
  line-height: 1.7;
}

.hero-stats {
  display: grid;
  gap: 0.7rem;
}

.stat-card {
  border: 1px solid #c7ddff;
  border-radius: var(--radius-sm);
  background: #f2f8ff;
  padding: 0.7rem 0.75rem;
}

.stat-label {
  display: block;
  color: var(--ds-text-subtle);
  font-size: 0.78rem;
}

.stat-value {
  display: block;
  margin-top: 0.25rem;
  font-size: 1.1rem;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.8rem;
}

.section-head h2 {
  margin: 0;
  font-size: 1.1rem;
}

.row {
  display: flex;
}

.between {
  justify-content: space-between;
}

.center {
  align-items: center;
}

.wrap {
  flex-wrap: wrap;
}

.gap-sm {
  gap: 0.6rem;
}

.mt-sm {
  margin-top: 0.8rem;
}

.muted {
  color: var(--ds-text-subtle);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--ds-border);
  border-radius: var(--radius-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--ds-surface-raised);
}

th,
td {
  border-bottom: 1px solid var(--ds-border);
  text-align: left;
  padding: 0.62rem 0.72rem;
  vertical-align: top;
  font-size: 0.92rem;
}

th {
  background: var(--ds-surface-sunken);
  color: var(--ds-text-subtle);
  font-weight: 600;
}

tr:hover td {
  background: #f8fbff;
}

.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.3rem;
  border-radius: 999px;
  border: 1px solid #b3d4ff;
  color: #09326c;
  font-weight: 700;
  font-size: 0.78rem;
  background: #e9f2ff;
  padding: 0.2rem 0.48rem;
}

.search-grid {
  display: grid;
  gap: 0.7rem;
}

.search-grid-home {
  grid-template-columns: minmax(220px, 1.5fr) minmax(170px, 1fr) minmax(170px, 1fr) auto;
}

.search-grid-games {
  grid-template-columns: minmax(220px, 1.4fr) minmax(150px, 1fr) minmax(150px, 1fr) minmax(90px, 0.45fr) auto;
}

.search-grid-developers {
  grid-template-columns: minmax(220px, 1.4fr) minmax(90px, 0.45fr) auto;
}

input,
textarea,
select,
button {
  width: 100%;
  border: 1px solid var(--ds-border-bold);
  border-radius: 10px;
  font-size: 0.94rem;
  padding: 0.62rem 0.75rem;
  background: #fff;
  color: var(--ds-text);
}

input:focus,
textarea:focus,
select:focus,
button:focus {
  outline: 2px solid rgba(12, 102, 228, 0.26);
  outline-offset: 0;
  border-color: var(--ds-brand);
}

button {
  width: auto;
  border-color: var(--ds-brand);
  background: var(--ds-brand);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

button:hover {
  border-color: var(--ds-brand-hover);
  background: var(--ds-brand-hover);
}

.tag {
  display: inline-flex;
  align-items: center;
  border: 1px solid #c7ddff;
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  color: #0c4a9e;
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--ds-accent);
}

.list-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.pagination {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.page-link {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--ds-border);
  border-radius: 999px;
  padding: 0.28rem 0.65rem;
  font-size: 0.86rem;
  font-weight: 600;
  background: var(--ds-surface-raised);
}

.page-link:hover {
  text-decoration: none;
  border-color: #b3d4ff;
  background: var(--ds-accent);
}

.page-link-disabled {
  color: var(--ds-text-subtle);
  background: var(--ds-surface-sunken);
  border-color: var(--ds-border);
  pointer-events: none;
}

.page-status {
  color: var(--ds-text-subtle);
  font-size: 0.86rem;
}

.result-list {
  list-style: none;
  padding: 0;
  margin: 0.8rem 0 0;
  display: grid;
  gap: 0.55rem;
}

.result-item {
  display: grid;
  grid-template-columns: minmax(190px, 1.2fr) minmax(170px, 1fr) minmax(180px, 1fr);
  align-items: center;
  gap: 0.75rem;
  border: 1px solid var(--ds-border);
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 0.62rem 0.72rem;
}

.form-grid {
  display: grid;
  gap: 0.65rem;
}

.result {
  background: #f7fafc;
  border: 1px solid var(--ds-border);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  overflow-x: auto;
}

ul {
  padding-left: 1.2rem;
}

@media (max-width: 980px) {
  .top-nav {
    grid-template-columns: 1fr;
    justify-items: start;
    gap: 0.65rem;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .search-grid-home,
  .search-grid-games {
    grid-template-columns: 1fr 1fr;
  }

  .search-grid-developers {
    grid-template-columns: 1fr 1fr;
  }

  .search-grid button {
    width: 100%;
  }

  .result-item {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}

@media (max-width: 620px) {
  .container {
    width: min(1120px, 94vw);
  }

  .panel {
    padding: 0.85rem 0.9rem;
  }

  .search-grid {
    grid-template-columns: 1fr;
  }

  .section-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .list-meta {
    flex-direction: column;
    align-items: flex-start;
  }
}