/* ===================================================
   IRNotify Official Site — Common Stylesheet
   配色: アプリの AppColors に準拠（ダーク固定）
   =================================================== */

:root {
  --bg-primary:   #17191F;
  --bg-secondary: #232730;
  --bg-tertiary:  #303340;
  --accent:       #15ADB8;
  --accent-amber: #F2A633;
  --danger:       #FF595F;
  --text-primary: #F2F2F8;
  --text-secondary: #A6A6B3;
  --text-disabled:  #6B6B75;
  --divider:      #40444F;
  --radius:       12px;
  --radius-sm:    8px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===================================================
   Header / Nav
   =================================================== */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(23, 25, 31, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--divider);
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
}

.nav-logo {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); text-decoration: none; }

/* ===================================================
   Hero Section
   =================================================== */
.hero {
  text-align: center;
  padding: 96px 24px 80px;
  max-width: 720px;
  margin: 0 auto;
}

.hero-cover {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: var(--radius);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto 36px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: opacity 0.2s, transform 0.15s;
  text-decoration: none;
}
.btn:hover { opacity: 0.85; transform: translateY(-1px); text-decoration: none; }
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 16px rgba(21,173,184,0.35);
}
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}

/* ===================================================
   Section Commons
   =================================================== */
.section {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 24px;
  color: #eeeeee;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.section-sub {
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.divider-line {
  border: none;
  border-top: 1px solid var(--divider);
}

/* ===================================================
   Feature Cards
   =================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.card {
  background: var(--bg-secondary);
  border: 1px solid var(--divider);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 14px;
}

.card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.65;
}

/* ===================================================
   CTA Section
   =================================================== */
.cta-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--divider);
  border-bottom: 1px solid var(--divider);
  text-align: center;
  padding: 72px 24px;
}
.cta-section h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.cta-section p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 0.95rem;
}

/* ===================================================
   Contact Form
   =================================================== */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-secondary);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--divider);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  padding: 10px 14px;
  outline: none;
  transition: border-color 0.2s;
  font-family: inherit;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}
.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-notice {
  font-size: 0.8rem;
  color: var(--text-disabled);
  margin-top: 4px;
}

/* ===================================================
   Privacy Policy
   =================================================== */
.prose h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 36px 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--divider);
}
.prose p, .prose li {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 10px;
}
.prose ul { padding-left: 20px; }
.prose ul li { list-style: disc; }
.prose .updated {
  font-size: 0.82rem;
  color: var(--text-disabled);
  margin-bottom: 32px;
}

/* ===================================================
   Alert / Flash
   =================================================== */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-bottom: 24px;
}
.alert-success { background: rgba(21,173,184,0.12); border: 1px solid rgba(21,173,184,0.4); color: var(--accent); }
.alert-error   { background: rgba(255,89,95,0.12);  border: 1px solid rgba(255,89,95,0.4);  color: var(--danger); }

/* ===================================================
   Page Header (inner pages)
   =================================================== */
.page-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--divider);
  padding: 56px 24px 48px;
  text-align: center;
}
.page-header h1 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 24px;
}
.page-header p {
  color: var(--text-secondary);
  margin-top: 10px;
  font-size: 0.95rem;
}

/* ===================================================
   Footer
   =================================================== */
footer {
  border-top: 1px solid var(--divider);
  text-align: center;
  padding: 36px 24px;
  color: var(--text-disabled);
  font-size: 0.82rem;
}
footer a { color: var(--text-disabled); }
footer a:hover { color: var(--accent); text-decoration: none; }

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

/* ===================================================
   Admin (urauchi)
   =================================================== */
.admin-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 24px;
}
.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}
.admin-title { font-size: 1.3rem; font-weight: 700; }
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-new { background: rgba(21,173,184,0.18); color: var(--accent); }
.badge-replied { background: rgba(107,107,117,0.25); color: var(--text-disabled); }

.inquiry-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
.inquiry-table th {
  text-align: left;
  padding: 10px 14px;
  color: var(--text-disabled);
  font-weight: 600;
  border-bottom: 1px solid var(--divider);
  white-space: nowrap;
}
.inquiry-table td {
  padding: 14px 14px;
  border-bottom: 1px solid var(--divider);
  vertical-align: top;
  color: var(--text-secondary);
}
.inquiry-table tr:hover td { background: var(--bg-secondary); }

.detail-card {
  background: var(--bg-secondary);
  border: 1px solid var(--divider);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 24px;
}
.detail-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-disabled);
  margin-bottom: 4px;
}
.detail-value {
  color: var(--text-primary);
  font-size: 0.95rem;
  margin-bottom: 20px;
  white-space: pre-wrap;
  word-break: break-all;
}

/* ===================================================
   Responsive
   =================================================== */
@media (max-width: 640px) {
  .hero { padding: 64px 20px 56px; }
  .section { padding: 48px 20px; }
  .nav-links { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .admin-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .inquiry-table { font-size: 0.82rem; }
  .inquiry-table th:nth-child(3),
  .inquiry-table td:nth-child(3) { display: none; }
}