.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  padding: 8px 16px;
  background: var(--blue-500);
  color: var(--navy-900);
  font-weight: 600;
  z-index: 100;
  border-radius: var(--radius-sm);
}
.skip-link:focus { left: 8px; }

.ad-slot--top {
  max-width: 960px;
  margin: 0 auto;
  padding: 12px 16px 8px;
  text-align: center;
}

.ad-slot--mid {
  margin: 1.25rem 0;
  text-align: center;
}

.main {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.page-header {
  margin-bottom: 1.5rem;
}

.page-header h1 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.lead {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

.form-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.form-card h2 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

/* Today Card */
.today-card {
  text-align: center;
  padding: 2rem 1.25rem;
}

.today-date {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
}

.today-badge {
  display: inline-block;
  font-size: 1.5rem;
  font-weight: 700;
  padding: 0.35rem 1.25rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.6rem;
}

.today-badge.holiday {
  background: rgba(34, 197, 94, 0.15);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.today-badge.workday {
  background: rgba(100, 116, 139, 0.15);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.today-badge.weekend {
  background: rgba(59, 130, 246, 0.15);
  color: var(--blue-300);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.today-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Countdown */
.countdown-card { text-align: center; }

.countdown-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.countdown-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.countdown-date {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.countdown-days {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.cnt-num {
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  font-weight: 700;
  color: var(--blue-400);
  font-family: var(--font-mono);
  line-height: 1;
}

.cnt-label {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* Year Tabs */
.year-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.year-row h2 { margin-bottom: 0; }

.year-tabs {
  display: flex;
  gap: 0.375rem;
  flex-wrap: wrap;
}

.year-tab {
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--navy-800);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-base);
}

.year-tab:hover {
  border-color: var(--blue-500);
  color: var(--text-primary);
}

.year-tab.active {
  background: var(--blue-600);
  border-color: var(--blue-600);
  color: #fff;
}

/* Year Stats */
.year-stats {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.stat-chip {
  font-size: 0.8rem;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--navy-800);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.stat-chip strong {
  color: var(--blue-300);
}

/* Holiday List */
.holiday-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.holiday-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--navy-900);
  transition: var(--transition-base);
}

.holiday-item:hover {
  border-color: var(--blue-700);
  background: var(--navy-800);
}

.holiday-item.passed {
  opacity: 0.45;
}

.holiday-item.today-item {
  border-color: #22c55e;
  background: rgba(34, 197, 94, 0.05);
}

.holiday-item.upcoming-next {
  border-color: var(--blue-500);
  background: rgba(59, 130, 246, 0.05);
}

.hol-date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  min-width: 80px;
}

.hol-info { min-width: 0; }

.hol-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.1rem;
}

.hol-name-en {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.hol-tag {
  font-size: 0.7rem;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.tag-compensate {
  background: rgba(251, 191, 36, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.tag-today {
  background: rgba(34, 197, 94, 0.15);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.tag-next {
  background: rgba(59, 130, 246, 0.15);
  color: var(--blue-300);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

/* Date Checker */
.check-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.date-input {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--navy-900);
  color: var(--text-primary);
  cursor: pointer;
  flex: 1;
  min-width: 160px;
}

.date-input:focus {
  outline: none;
  border-color: var(--blue-500);
}

.check-result {
  min-height: 2rem;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.5rem 0;
}

.check-result.is-holiday { color: #22c55e; }
.check-result.is-workday { color: var(--text-secondary); }
.check-result.is-weekend { color: var(--blue-300); }

/* Share */
.share-card { padding: 1rem 1.25rem; }
.share-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
}

.btn--primary {
  background: var(--blue-600);
  color: #fff;
}

.btn--primary:hover { background: var(--blue-500); }

.btn--ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.btn--ghost:hover {
  border-color: var(--blue-500);
  color: var(--text-primary);
}

/* FAQ */
.faq-section { margin-top: 1rem; }

.faq-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 0.5rem;
  overflow: hidden;
}

.faq-item summary {
  padding: 0.75rem 1rem;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.2rem;
  color: var(--blue-400);
  flex-shrink: 0;
}

.faq-item[open] summary::after { content: '−'; }

.faq-a {
  padding: 0 1rem 0.75rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Footer */
.site-footer {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--text-secondary);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
}

@media (max-width: 480px) {
  .holiday-item {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
  }
  .hol-date { grid-column: 1; grid-row: 1; }
  .hol-info { grid-column: 1; grid-row: 2; }
  .hol-tag  { grid-column: 2; grid-row: 1 / 3; align-self: center; }
}