/* ========================================
   service.css — 在庫管理LP 専用スタイル
   styles.css のダークテーマを継承・拡張
======================================== */

/* ---- ボタン追加サイズ ---- */
.btn--lg {
  padding: 0.9rem 2.2rem;
  font-size: 1rem;
  font-weight: 600;
}

/* ---- ヘッダーロゴ（小） ---- */
.nav__logo-img-sm {
  height: 28px;
  width: auto;
  mix-blend-mode: screen;
  filter: drop-shadow(0 0 6px rgba(255,255,255,0.4));
}

/* ========================================
   Hero
======================================== */
.sp-hero {
  padding: 9rem 0 6rem;
  text-align: center;
  background: radial-gradient(ellipse 80% 60% at 50% 0%,
    rgba(74,144,226,0.12) 0%, transparent 70%),
    var(--bg-primary);
  position: relative;
}

.sp-hero__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(74,144,226,0.4);
  background: var(--accent-dim);
  padding: 0.3rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.sp-hero__title {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.3;
  margin-bottom: 1.5rem;
}

.sp-hero__lead {
  color: var(--text-secondary);
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  line-height: 1.9;
  max-width: 600px;
  margin: 0 auto 2rem;
}

.sp-hero__lead strong {
  color: var(--accent-light);
  font-weight: 600;
}

.sp-hero__badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
}

.sp-hero__badge {
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.35rem 0.9rem;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
  color: var(--text-secondary);
}

.sp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

/* ========================================
   Alt section background
======================================== */
.sp-section--alt {
  background: var(--bg-section);
}

/* ========================================
   Compare Cards (About)
======================================== */
.sp-compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.sp-compare-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color var(--transition);
}

.sp-compare-card--accent {
  border-color: rgba(74,144,226,0.35);
  background: linear-gradient(135deg, #14182a 0%, #1a1f2e 100%);
  box-shadow: 0 0 32px rgba(74,144,226,0.1);
}

.sp-compare-card__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border);
}

.sp-compare-card--accent .sp-compare-card__title {
  color: var(--accent-light);
  border-bottom-color: rgba(74,144,226,0.3);
}

.sp-compare-card__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.sp-compare-card__list li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding-left: 1.4rem;
  position: relative;
}

.sp-compare-card__list--bad li::before {
  content: '✕';
  position: absolute;
  left: 0;
  color: #e07878;
  font-size: 0.8rem;
}

.sp-compare-card__list--good li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #5cca8a;
  font-weight: 700;
}

.sp-compare-card--accent .sp-compare-card__list li {
  color: var(--text-primary);
}

/* ========================================
   Feature Cards (Strength)
======================================== */
.sp-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.sp-feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  transition: border-color var(--transition), transform var(--transition);
}

.sp-feature-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

.sp-feature-card__num {
  font-family: 'Inter', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: rgba(74,144,226,0.25);
  margin-bottom: 0.75rem;
  line-height: 1;
}

.sp-feature-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--text-primary);
}

.sp-feature-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ========================================
   Target List
======================================== */
.sp-target-list {
  list-style: none;
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.sp-target-list li {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 0.9rem 1.2rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: border-color var(--transition), color var(--transition);
}

.sp-target-list li:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
  border-left-color: var(--accent-light);
}

.sp-note {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ========================================
   Phase Cards (Contents)
======================================== */
.sp-phases {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.sp-phase-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition), transform var(--transition);
}

.sp-phase-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

.sp-phase-card__head {
  background: linear-gradient(135deg, #14182a, #1a1f2e);
  padding: 1.2rem 1.25rem;
  border-bottom: 1px solid rgba(74,144,226,0.2);
}

.sp-phase-card__num {
  font-family: 'Inter', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent);
  display: block;
  margin-bottom: 0.35rem;
}

.sp-phase-card__head h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.sp-phase-card__body {
  padding: 1.25rem;
  flex: 1;
}

.sp-phase-card__deliverable {
  font-size: 0.78rem;
  color: var(--accent-light);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.sp-phase-card__body ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sp-phase-card__body li {
  font-size: 0.83rem;
  color: var(--text-secondary);
  padding-left: 1rem;
  position: relative;
}

.sp-phase-card__body li::before {
  content: '・';
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ========================================
   Deliverables
======================================== */
.sp-deliverables {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  max-width: 700px;
  margin: 0 auto;
}

.sp-deliverable-item {
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(74,144,226,0.35);
  background: var(--accent-dim);
  color: var(--accent-light);
  transition: background var(--transition), transform var(--transition);
}

.sp-deliverable-item:hover {
  background: rgba(74,144,226,0.2);
  transform: translateY(-2px);
}

/* ========================================
   Pricing Cards
======================================== */
.sp-pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: start;
  margin-bottom: 3rem;
}

.sp-price-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  transition: border-color var(--transition), transform var(--transition);
}

.sp-price-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

.sp-price-card--featured {
  border-color: var(--accent);
  background: linear-gradient(135deg, #13182c 0%, #1a2035 100%);
  box-shadow: 0 0 40px rgba(74,144,226,0.18);
  transform: scale(1.02);
}

.sp-price-card--featured:hover {
  transform: scale(1.02) translateY(-4px);
}

.sp-price-card__badge {
  position: absolute;
  top: -0.75rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.85rem;
  border-radius: 100px;
  white-space: nowrap;
}

.sp-price-card__name {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.sp-price-card__price {
  font-family: 'Inter', sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
  margin-bottom: 0.25rem;
}

.sp-price-card__price small {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-left: 0.2rem;
}

.sp-price-card__period {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.sp-price-card__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.75rem;
  flex: 1;
}

.sp-price-card__list li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding-left: 1.4rem;
  position: relative;
}

.sp-price-card__list .sp-ok {
  color: var(--text-primary);
}

.sp-price-card__list .sp-ok::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #5cca8a;
  font-weight: 700;
}

.sp-price-card__list .sp-no {
  color: var(--text-muted);
  text-decoration: line-through;
}

.sp-price-card__list .sp-no::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

/* ========================================
   Plan Table
======================================== */
.sp-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.sp-plan-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 480px;
}

.sp-plan-table th,
.sp-plan-table td {
  padding: 0.85rem 1.25rem;
  text-align: center;
  font-size: 0.875rem;
  border-bottom: 1px solid var(--border);
}

.sp-plan-table tbody tr:last-child td {
  border-bottom: none;
}

.sp-plan-table th {
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  background: rgba(255,255,255,0.03);
  color: var(--text-secondary);
}

.sp-plan-table th:first-child,
.sp-plan-table td:first-child {
  text-align: left;
}

.sp-plan-table__stella {
  background: rgba(74,144,226,0.07) !important;
  color: var(--accent-light) !important;
}

.sp-plan-table th.sp-plan-table__stella {
  color: var(--accent) !important;
  border-bottom: 2px solid var(--accent) !important;
}

.sp-yes { color: #5cca8a; font-weight: 600; }
.sp-no  { color: var(--text-muted); }

/* ========================================
   Options List
======================================== */
.sp-options-list {
  max-width: 560px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 2rem;
}

.sp-options-list dl {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.6rem 2rem;
  align-items: center;
}

.sp-options-list dt {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.sp-options-list dd {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-light);
  text-align: right;
  white-space: nowrap;
}

/* ========================================
   Flow
======================================== */
.sp-flow {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
}

.sp-flow__step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.7rem 1.1rem;
  font-size: 0.82rem;
  font-weight: 600;
  text-align: center;
  line-height: 1.45;
  transition: border-color var(--transition), color var(--transition);
  min-width: 90px;
}

.sp-flow__step:hover {
  border-color: var(--accent);
  color: var(--accent-light);
}

.sp-flow__step small {
  display: block;
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-top: 0.1rem;
}

.sp-flow__arrow {
  color: var(--accent);
  font-size: 1.1rem;
  font-weight: 700;
  opacity: 0.5;
}

/* ========================================
   FAQ
======================================== */
.sp-faq-list {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.sp-faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}

.sp-faq-item[open] {
  border-color: rgba(74,144,226,0.4);
}

.sp-faq-item summary {
  padding: 1.1rem 1.5rem;
  font-size: 0.925rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-primary);
  user-select: none;
  transition: color var(--transition);
}

.sp-faq-item summary::after {
  content: '+';
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--accent);
  flex-shrink: 0;
  margin-left: 1rem;
  transition: transform var(--transition);
}

.sp-faq-item[open] summary::after {
  transform: rotate(45deg);
}

.sp-faq-item summary::-webkit-details-marker { display: none; }

.sp-faq-item__answer {
  padding: 0 1.5rem 1.25rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.8;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

/* ========================================
   CTA Section
======================================== */
.sp-cta {
  background: linear-gradient(135deg, #0f1422 0%, #0d0d12 100%);
  border-top: 1px solid rgba(74,144,226,0.2);
  padding: 6rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.sp-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(74,144,226,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.sp-cta__title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.sp-cta__text {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.9;
  margin-bottom: 2.5rem;
}

.sp-cta__note {
  margin-top: 1.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.9;
}

/* ========================================
   Responsive
======================================== */
@media (max-width: 960px) {
  .sp-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .sp-phases {
    grid-template-columns: repeat(2, 1fr);
  }
  .sp-pricing-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
  }
  .sp-price-card--featured {
    transform: none;
  }
  .sp-price-card--featured:hover {
    transform: translateY(-4px);
  }
}

@media (max-width: 640px) {
  .sp-hero {
    padding: 8rem 0 4rem;
  }
  .sp-compare-grid {
    grid-template-columns: 1fr;
  }
  .sp-features-grid,
  .sp-phases {
    grid-template-columns: 1fr;
  }
  .sp-flow {
    flex-direction: column;
    align-items: stretch;
    max-width: 260px;
    margin: 0 auto;
  }
  .sp-flow__arrow {
    transform: rotate(90deg);
    text-align: center;
  }
}