@import url('https://fonts.googleapis.com/css2?family=M+PLUS+Rounded+1c:wght@400;500;700;800&display=swap');

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --brand:       #8B5E3C;
  --brand-dark:  #5C3A1E;
  --accent:      #C07840;
  --bg:          #FDF6EE;
  --bg2:         #F3E6D5;
  --card:        #FFFBF7;
  --border:      #E2CAB0;
  --text:        #2C1A0E;
  --text-light:  #7A5230;
  --text-muted:  #A8845E;
  --shadow:      0 4px 14px rgba(92,58,30,0.10), 0 1px 4px rgba(92,58,30,0.06);
  --shadow-hover:0 8px 28px rgba(92,58,30,0.16), 0 2px 6px rgba(92,58,30,0.08);
  --radius:      14px;
  --font: 'M PLUS Rounded 1c', 'Hiragino Maru Gothic Pro', 'Noto Sans JP', sans-serif;
}

html { font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

/* ── Header ── */
.site-header {
  background: linear-gradient(135deg, #3D2010 0%, #5C3420 100%);
  box-shadow: 0 2px 8px rgba(92,52,32,0.35);
  text-align: center;
  padding: clamp(2.5rem, 8vw, 4.5rem) 1.5rem 2rem;
}

.portal-title {
  font-size: clamp(2rem, 6vw, 3.2rem);
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #FFF7ED;
  line-height: 1.2;
}

.portal-subtitle {
  margin-top: 0.45rem;
  font-size: 0.8rem;
  color: #C4956A;
  letter-spacing: 0.25em;
  font-weight: 500;
  text-transform: uppercase;
}

/* ── Portal main ── */
.portal-main {
  flex: 1;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem clamp(1rem, 5vw, 3rem) 1rem;
}

/* ── Category section ── */
.category-section {
  margin-bottom: 2.5rem;
}

.category-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.45rem;
  margin-bottom: 1rem;
}

/* ── Card grid ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  align-content: start;
  gap: 1.5rem;
}

/* ── Card ── */
.site-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  border-left: 4px solid var(--card-accent, var(--accent));
  padding: 1rem 1.2rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  text-decoration: none;
  color: inherit;
}

.site-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.site-card.is-coming-soon {
  opacity: 0.55;
  pointer-events: none;
}

.site-card.is-maintenance {
  opacity: 0.65;
}

/* Card header row */
.card-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.card-emoji {
  font-size: 1.7rem;
  line-height: 1;
  flex-shrink: 0;
}

.card-names {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.card-name-ja {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.card-name-en {
  font-size: 0.74rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  font-weight: 500;
}

/* Description */
.card-desc {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* Tags */
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.card-tag {
  font-size: 0.72rem;
  padding: 0.18em 0.65em;
  border-radius: 999px;
  background: color-mix(in srgb, var(--card-accent, var(--accent)) 12%, transparent);
  color: color-mix(in srgb, var(--card-accent, var(--accent)) 85%, var(--brand-dark));
  border: 1px solid color-mix(in srgb, var(--card-accent, var(--accent)) 30%, transparent);
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* CTA */
.card-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  margin-top: 0.2rem;
  padding: 0.45em 1.1em;
  background: color-mix(in srgb, var(--card-accent, var(--accent)) 14%, transparent);
  border: 1.5px solid color-mix(in srgb, var(--card-accent, var(--accent)) 55%, transparent);
  border-radius: 9px;
  font-size: 0.82rem;
  font-weight: 700;
  color: color-mix(in srgb, var(--card-accent, var(--accent)) 90%, var(--brand-dark));
  align-self: flex-start;
  transition: background 0.15s ease, border-color 0.15s ease;
  text-decoration: none;
}

.site-card:hover .card-cta {
  background: color-mix(in srgb, var(--card-accent, var(--accent)) 22%, transparent);
  border-color: color-mix(in srgb, var(--card-accent, var(--accent)) 75%, transparent);
}

.card-badge {
  display: inline-block;
  margin-top: 0.2rem;
  padding: 0.38em 0.9em;
  border-radius: 9px;
  font-size: 0.78rem;
  font-weight: 600;
  border: 1.5px solid var(--border);
  color: var(--text-muted);
  align-self: flex-start;
}

/* ── Ad slot ── */
.ad-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 0.75rem;
  margin: 0 auto 1.5rem;
  background: var(--bg2);
}
.ad-slot--leaderboard { width: 100%; max-width: 728px; height: 90px; }
.ad-slot__label {
  font-weight: 600;
  padding: 0.2em 0.5em;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.68rem;
  letter-spacing: 0.05em;
}

/* ── Footer ── */
.site-footer {
  text-align: center;
  padding: 1.25rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  font-weight: 500;
}