@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&family=Noto+Serif+JP:wght@500;700&display=swap');
/* ==========================================================================
   キリハレ SaaS 群 共通スタイル
   既存 web/css/style.css の :root カスタムプロパティを継承して使用する
   ライトモード必須（白背景）、ヘッダー #1a1a2e、CTA #2563eb 系
   ========================================================================== */

/* 旧 Spark (src/main/resources/public/css/auth.css) のブランドトークンへ統一 (teal 系)。
   統合入口を旧 Spark デザインに寄せるため、SaaS 22 製品も共通でこのパレットで描画する。
   ライトモード必須（白背景 #F7F8F5 canvas / #ffffff surface）。 */
:root {
  --saas-bg: #F7F8F5;
  --saas-bg-alt: #ffffff;
  --saas-bg-soft: #E6F1F0;
  --saas-text: #0F2A2E;
  --saas-text-muted: #5A6B6E;
  --saas-border: #E4E7E2;
  --saas-card-shadow: 0 1px 2px rgba(15, 42, 46, 0.04), 0 4px 12px rgba(15, 42, 46, 0.04);
  --saas-card-shadow-hover: 0 2px 4px rgba(15, 42, 46, 0.05), 0 12px 32px rgba(15, 42, 46, 0.06);
  --saas-primary: #0E7C7B;
  --saas-primary-dark: #0A5F5E;
  --saas-primary-light: #E6F1F0;
  --saas-header-bg: #0A5F5E;
  --saas-header-text: #ffffff;
  --saas-accent: #0A5F5E;
  --saas-warning: #C2410C;
  --saas-danger: #dc2626;
  --saas-container: 1180px;
  --saas-radius: 12px;
  --saas-radius-lg: 20px;
  --saas-font-display: 'Noto Serif JP', 'Hiragino Mincho ProN', serif;
}

/* ---------- Reset & Base ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans JP', 'Hiragino Sans', system-ui, -apple-system, 'Segoe UI', 'Hiragino Kaku Gothic ProN', sans-serif;
  color: var(--saas-text);
  background: var(--saas-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
/* 見出しは旧 Spark と同じ Noto Serif JP に揃える */
h1, h2, h3, .saas-hero-title, .saas-section-title {
  font-family: var(--saas-font-display);
}
img, svg { max-width: 100%; display: block; }
a { color: var(--saas-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Header ---------- */
.saas-header {
  background: var(--saas-header-bg);
  color: var(--saas-header-text);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 0 rgba(255,255,255,0.04);
}
.saas-header-inner {
  max-width: var(--saas-container);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.saas-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}
.saas-brand-mark {
  width: 30px; height: 30px;
  display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #2563eb 0%, #38bdf8 100%);
  border-radius: 8px;
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
}
.saas-brand-tag {
  font-size: 0.72rem;
  font-weight: 500;
  color: #94a3b8;
  margin-left: 4px;
}
.saas-nav {
  display: flex;
  gap: 20px;
  margin-left: auto;
  align-items: center;
}
.saas-nav a {
  color: #cbd5e1;
  font-size: 0.92rem;
  font-weight: 500;
}
.saas-nav a:hover { color: #fff; text-decoration: none; }
.saas-nav-cta {
  background: #2563eb;
  color: #fff !important;
  padding: 8px 18px;
  border-radius: 6px;
  font-weight: 600;
}
.saas-nav-cta:hover { background: #1d4ed8; }

/* ---------- Hero ---------- */
.saas-hero {
  padding: 88px 24px 64px;
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}
.saas-hero-inner {
  max-width: var(--saas-container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 860px) {
  .saas-hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .saas-hero { padding: 56px 20px 40px; }
}
.saas-eyebrow {
  display: inline-block;
  padding: 6px 14px;
  background: var(--saas-primary-light);
  color: var(--saas-primary-dark);
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-bottom: 18px;
}
.saas-hero h1 {
  font-size: 2.6rem;
  line-height: 1.3;
  font-weight: 800;
  margin-bottom: 20px;
  color: #0b1220;
}
.saas-hero h1 .accent { color: var(--saas-primary); }
.saas-hero p.lead {
  font-size: 1.1rem;
  color: var(--saas-text-muted);
  margin-bottom: 28px;
}
.saas-cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.saas-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
  text-decoration: none !important;
}
.saas-btn-primary {
  background: var(--saas-primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(37,99,235,0.25);
}
.saas-btn-primary:hover { background: var(--saas-primary-dark); transform: translateY(-1px); }
.saas-btn-secondary {
  background: #fff;
  color: var(--saas-primary);
  border: 1px solid var(--saas-primary);
}
.saas-btn-secondary:hover { background: var(--saas-primary-light); }
.saas-btn-ghost {
  background: transparent;
  color: var(--saas-text);
  border: 1px solid var(--saas-border);
}
.saas-btn-ghost:hover { background: var(--saas-bg-alt); }

.saas-hero-visual {
  background: #fff;
  border: 1px solid var(--saas-border);
  border-radius: var(--saas-radius-lg);
  box-shadow: var(--saas-card-shadow-hover);
  padding: 20px;
  min-height: 320px;
}
.saas-hero-visual-bar {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
}
.saas-hero-visual-bar span {
  width: 10px; height: 10px; border-radius: 50%;
  background: #e2e8f0;
}
.saas-hero-visual-bar span:first-child { background: #f87171; }
.saas-hero-visual-bar span:nth-child(2) { background: #fbbf24; }
.saas-hero-visual-bar span:nth-child(3) { background: #34d399; }

/* ---------- Trust bar ---------- */
.saas-trust {
  background: var(--saas-bg-alt);
  border-top: 1px solid var(--saas-border);
  border-bottom: 1px solid var(--saas-border);
  padding: 28px 24px;
}
.saas-trust-inner {
  max-width: var(--saas-container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
@media (max-width: 720px) {
  .saas-trust-inner { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}
.saas-trust-num {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--saas-primary);
  line-height: 1.1;
}
.saas-trust-label {
  font-size: 0.78rem;
  color: var(--saas-text-muted);
  margin-top: 4px;
}

/* ---------- Section ---------- */
.saas-section {
  padding: 80px 24px;
}
.saas-section-alt { background: var(--saas-bg-alt); }
.saas-section-inner {
  max-width: var(--saas-container);
  margin: 0 auto;
}
.saas-section-head {
  text-align: center;
  margin-bottom: 48px;
}
.saas-section-head .eyebrow {
  display: inline-block;
  padding: 4px 12px;
  background: var(--saas-primary-light);
  color: var(--saas-primary-dark);
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 14px;
}
.saas-section-head h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.saas-section-head p {
  color: var(--saas-text-muted);
  max-width: 640px;
  margin: 0 auto;
}

/* ---------- Feature grid ---------- */
.saas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 860px) { .saas-grid { grid-template-columns: 1fr; } }
@media (min-width: 861px) and (max-width: 1024px) { .saas-grid { grid-template-columns: repeat(2, 1fr); } }

.saas-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media (max-width: 860px) { .saas-grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .saas-grid-4 { grid-template-columns: 1fr; } }

.saas-card {
  background: #fff;
  border: 1px solid var(--saas-border);
  border-radius: var(--saas-radius);
  padding: 26px;
  transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
}
.saas-card:hover {
  box-shadow: var(--saas-card-shadow-hover);
  transform: translateY(-2px);
  border-color: #cbd5e1;
}
.saas-card-icon {
  width: 44px; height: 44px;
  background: var(--saas-primary-light);
  color: var(--saas-primary);
  border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.2rem; font-weight: 700;
  margin-bottom: 14px;
}
.saas-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.saas-card p {
  color: var(--saas-text-muted);
  font-size: 0.93rem;
}

/* ---------- Pricing ---------- */
.saas-pricing {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 860px) { .saas-pricing { grid-template-columns: 1fr; } }
.saas-plan {
  background: #fff;
  border: 1px solid var(--saas-border);
  border-radius: var(--saas-radius-lg);
  padding: 32px 28px;
}
.saas-plan.featured {
  border-color: var(--saas-primary);
  box-shadow: 0 0 0 2px var(--saas-primary-light);
  position: relative;
}
.saas-plan.featured::before {
  content: 'おすすめ';
  position: absolute;
  top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--saas-primary);
  color: #fff;
  padding: 4px 14px;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 600;
}
.saas-plan-name {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.saas-plan-price {
  font-size: 2rem;
  font-weight: 800;
  margin: 10px 0 4px;
}
.saas-plan-price-unit {
  font-size: 0.9rem;
  color: var(--saas-text-muted);
  font-weight: 500;
}
.saas-plan-features {
  list-style: none;
  margin: 20px 0 24px;
  padding: 0;
}
.saas-plan-features li {
  padding: 8px 0 8px 24px;
  position: relative;
  font-size: 0.93rem;
  color: var(--saas-text);
}
.saas-plan-features li::before {
  content: '✓';
  position: absolute;
  left: 0; top: 8px;
  color: var(--saas-accent);
  font-weight: 800;
}

/* ---------- Case cards ---------- */
.saas-case {
  background: #fff;
  border: 1px solid var(--saas-border);
  border-radius: var(--saas-radius);
  overflow: hidden;
}
.saas-case-thumb {
  height: 140px;
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 60%, #38bdf8 100%);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 1.1rem;
  padding: 12px;
  text-align: center;
}
.saas-case-body { padding: 20px 22px 24px; }
.saas-case-tags {
  display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px;
}
.saas-case-tags span {
  background: var(--saas-bg-soft);
  color: var(--saas-primary-dark);
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 600;
}
.saas-case h4 { font-size: 1.05rem; margin-bottom: 6px; }
.saas-case p.summary { font-size: 0.88rem; color: var(--saas-text-muted); }
.saas-case .kpi {
  margin-top: 14px;
  display: flex; gap: 16px;
}
.saas-case .kpi div { flex: 1; }
.saas-case .kpi-num {
  font-size: 1.3rem; font-weight: 800; color: var(--saas-primary);
}
.saas-case .kpi-label {
  font-size: 0.72rem; color: var(--saas-text-muted);
}

/* ---------- CTA banner ---------- */
.saas-cta-banner {
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
  color: #fff;
  padding: 64px 24px;
  text-align: center;
}
.saas-cta-banner h2 {
  font-size: 1.9rem; margin-bottom: 14px; font-weight: 800;
}
.saas-cta-banner p { margin-bottom: 24px; opacity: 0.95; }
.saas-cta-banner .saas-btn-primary {
  background: #fff; color: var(--saas-primary);
  box-shadow: 0 4px 14px rgba(0,0,0,0.15);
}
.saas-cta-banner .saas-btn-primary:hover { background: #f8fafc; }
.saas-cta-banner .saas-btn-secondary {
  background: transparent; color: #fff; border-color: #fff;
}
.saas-cta-banner .saas-btn-secondary:hover { background: rgba(255,255,255,0.12); }

/* ---------- Footer ---------- */
.saas-footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 48px 24px 28px;
}
.saas-footer-inner {
  max-width: var(--saas-container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
}
@media (max-width: 860px) { .saas-footer-inner { grid-template-columns: 1fr 1fr; } }
.saas-footer h5 {
  color: #fff;
  font-size: 0.85rem;
  margin-bottom: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.saas-footer ul { list-style: none; }
.saas-footer li { margin-bottom: 8px; }
.saas-footer a { color: #94a3b8; font-size: 0.9rem; }
.saas-footer a:hover { color: #fff; text-decoration: none; }
.saas-footer-bottom {
  max-width: var(--saas-container);
  margin: 32px auto 0;
  padding-top: 24px;
  border-top: 1px solid #1e293b;
  font-size: 0.82rem;
  color: #64748b;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}

/* ---------- Demo app shell ---------- */
.saas-app {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: calc(100vh - 60px);
}
@media (max-width: 720px) { .saas-app { grid-template-columns: 1fr; } }
.saas-sidebar {
  background: #f8fafc;
  border-right: 1px solid var(--saas-border);
  padding: 24px 16px;
}
.saas-sidebar h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--saas-text-muted);
  margin: 14px 8px 6px;
  font-weight: 700;
}
.saas-sidebar a {
  display: block;
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--saas-text);
  font-size: 0.93rem;
  font-weight: 500;
  cursor: pointer;
}
.saas-sidebar a:hover { background: var(--saas-primary-light); color: var(--saas-primary-dark); text-decoration: none; }
.saas-sidebar a.active { background: var(--saas-primary); color: #fff; }

.saas-content { padding: 32px; background: #fff; }
.saas-content h2 { font-size: 1.6rem; margin-bottom: 6px; font-weight: 800; }
.saas-content .subtitle { color: var(--saas-text-muted); margin-bottom: 24px; }

.saas-toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.saas-toolbar input, .saas-toolbar select {
  padding: 8px 12px;
  border: 1px solid var(--saas-border);
  border-radius: 6px;
  font-size: 0.92rem;
  font-family: inherit;
}
.saas-toolbar .grow { flex: 1; }

.saas-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--saas-border);
  border-radius: var(--saas-radius);
  overflow: hidden;
}
.saas-table th, .saas-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--saas-border);
  font-size: 0.92rem;
}
.saas-table th {
  background: #f1f5f9;
  font-weight: 700;
  color: var(--saas-text);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.saas-table tr:last-child td { border-bottom: none; }
.saas-table tr:hover { background: #f8fafc; }

.saas-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 0.74rem;
  font-weight: 600;
}
.saas-badge-success { background: #d1fae5; color: #065f46; }
.saas-badge-warning { background: #fef3c7; color: #92400e; }
.saas-badge-danger { background: #fee2e2; color: #991b1b; }
.saas-badge-info { background: #dbeafe; color: #1e40af; }
.saas-badge-muted { background: #e2e8f0; color: #475569; }

.saas-stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
@media (max-width: 720px) { .saas-stat-row { grid-template-columns: repeat(2, 1fr); } }
.saas-stat {
  background: #fff;
  border: 1px solid var(--saas-border);
  border-radius: var(--saas-radius);
  padding: 18px 20px;
}
.saas-stat-label { color: var(--saas-text-muted); font-size: 0.8rem; margin-bottom: 6px; }
.saas-stat-value { font-size: 1.6rem; font-weight: 800; color: var(--saas-text); }
.saas-stat-delta { font-size: 0.78rem; color: var(--saas-accent); margin-top: 2px; }
.saas-stat-delta.down { color: var(--saas-danger); }

.saas-modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(15,23,42,0.5);
  display: none;
  align-items: center; justify-content: center;
  z-index: 200;
}
.saas-modal-backdrop.open { display: flex; }
.saas-modal {
  background: #fff;
  border-radius: var(--saas-radius-lg);
  padding: 28px;
  max-width: 520px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
}
.saas-modal h3 { font-size: 1.2rem; margin-bottom: 14px; }
.saas-form-row { margin-bottom: 14px; }
.saas-form-row label { display: block; font-size: 0.84rem; font-weight: 600; margin-bottom: 4px; }
.saas-form-row input, .saas-form-row select, .saas-form-row textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--saas-border);
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.93rem;
}

/* ---------- Product hub catalog grid ---------- */
.saas-hub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 860px) { .saas-hub-grid { grid-template-columns: 1fr; } }
@media (min-width: 861px) and (max-width: 1024px) { .saas-hub-grid { grid-template-columns: repeat(2, 1fr); } }
.saas-hub-card {
  background: #fff;
  border: 1px solid var(--saas-border);
  border-radius: var(--saas-radius);
  padding: 24px;
  display: flex; flex-direction: column; gap: 12px;
  transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
}
.saas-hub-card:hover {
  box-shadow: var(--saas-card-shadow-hover);
  transform: translateY(-2px);
  border-color: var(--saas-primary);
}
.saas-hub-cat {
  font-size: 0.72rem;
  color: var(--saas-primary-dark);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.saas-hub-card h3 { font-size: 1.15rem; font-weight: 800; }
.saas-hub-card p { color: var(--saas-text-muted); font-size: 0.92rem; flex: 1; }
.saas-hub-card-actions { display: flex; gap: 8px; padding-top: 4px; }
.saas-hub-card-actions a {
  font-size: 0.88rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 6px;
  border: 1px solid var(--saas-border);
  color: var(--saas-text);
}
.saas-hub-card-actions a.primary { background: var(--saas-primary); color: #fff; border-color: var(--saas-primary); }
.saas-hub-card-actions a:hover { text-decoration: none; }
.saas-hub-card-actions a.primary:hover { background: var(--saas-primary-dark); }