/* ============================================================
   30代から始める恋活アプリ - 共通スタイルシート
   ============================================================ */
:root {
  --pink-50: #FDF2F6;
  --pink-100: #FAE0EC;
  --pink-200: #F5BFDA;
  --pink-400: #E07AAA;
  --pink-500: #D4537E;
  --pink-600: #B83D66;
  --pink-800: #7A1E40;
  --pink-900: #4B0E25;
  --amber-100: #FEF3C7;
  --amber-400: #FBBF24;
  --cream: #FDF8F0;
  --text-dark: #2D1A24;
  --text-mid: #6B3A52;
  --text-light: #A07090;
  --white: #FFFFFF;
  --border: rgba(212,83,126,0.15);
  --serif: 'Noto Serif JP', serif;
  --sans: 'Noto Sans JP', sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 99px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--cream);
  color: var(--text-dark);
  line-height: 1.9;
  font-size: 16px;
  overflow-x: hidden;
}

/* ===== HEADER ===== */
header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(253,242,246,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}
.header-inner {
  max-width: 760px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 56px;
}
.logo {
  font-family: var(--serif); font-size: 15px; font-weight: 700;
  color: var(--pink-600); letter-spacing: 0.02em;
  text-decoration: none; display: flex; align-items: center; gap: 7px;
}
.logo::before { content: "♡"; font-size: 16px; color: var(--pink-500); }
header nav { display: flex; gap: 22px; }
header nav a { font-size: 13px; color: var(--text-mid); text-decoration: none; transition: color 0.2s; }
header nav a:hover { color: var(--pink-500); }

/* ===== ARTICLE LAYOUT ===== */
.article-wrap { max-width: 760px; margin: 0 auto; padding: 0 24px; }

.breadcrumb {
  font-size: 12px; color: var(--text-light);
  padding: 20px 0 0; display: flex; gap: 8px; flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-light); text-decoration: none; }
.breadcrumb a:hover { color: var(--pink-500); }
.breadcrumb span { color: var(--pink-400); }

.article-header { padding: 28px 0 24px; border-bottom: 1px solid var(--border); margin-bottom: 32px; }
.article-cat-row { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.article-cat {
  font-size: 11px; font-weight: 700; padding: 4px 12px;
  border-radius: var(--radius-pill); display: inline-block;
}
.cat-pink { background: var(--pink-100); color: var(--pink-600); }
.cat-amber { background: #FEF3C7; color: #92400E; }
.cat-teal { background: #D1FAE5; color: #065F46; }
.cat-blue { background: #DBEAFE; color: #1E40AF; }
.cat-gray { background: #F1EFE8; color: #5F5E5A; }

h1.article-title {
  font-family: var(--serif); font-size: clamp(22px, 5vw, 30px);
  font-weight: 700; color: var(--text-dark);
  line-height: 1.5; margin-bottom: 18px;
}
.article-meta-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.author-mini { display: flex; align-items: center; gap: 10px; }
.author-mini-avatar {
  width: 38px; height: 38px; border-radius: 50%;
  background: linear-gradient(135deg, var(--pink-400), var(--pink-600));
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 13px; font-weight: 700; flex-shrink: 0;
}
.author-mini-info { font-size: 12px; line-height: 1.4; }
.author-mini-name { font-weight: 700; color: var(--text-dark); }
.author-mini-desc { color: var(--text-light); }
.article-date { font-size: 12px; color: var(--text-light); margin-left: auto; }

/* ===== ARTICLE BODY ===== */
.article-body { padding-bottom: 24px; }
.article-body p { margin-bottom: 22px; font-size: 16px; color: var(--text-dark); }
.article-body h2 {
  font-family: var(--serif); font-size: 22px; font-weight: 700;
  color: var(--text-dark); margin: 44px 0 18px;
  padding-left: 16px; border-left: 4px solid var(--pink-400);
  line-height: 1.5;
}
.article-body h3 {
  font-size: 18px; font-weight: 700; color: var(--pink-600);
  margin: 32px 0 14px; line-height: 1.5;
}
.article-body strong { color: var(--pink-600); font-weight: 700; }
.article-body .highlight {
  background: linear-gradient(180deg, transparent 60%, rgba(212,83,126,0.2) 60%);
}
.article-body ul, .article-body ol { margin: 0 0 22px; padding-left: 4px; }
.article-body li {
  list-style: none; position: relative; padding-left: 28px;
  margin-bottom: 12px; font-size: 16px; line-height: 1.8;
}
.article-body ul li::before {
  content: "♡"; position: absolute; left: 4px; top: 0;
  color: var(--pink-400); font-size: 14px;
}
.article-body ol { counter-reset: olc; }
.article-body ol li { counter-increment: olc; }
.article-body ol li::before {
  content: counter(olc); position: absolute; left: 0; top: 2px;
  width: 20px; height: 20px; background: var(--pink-500); color: white;
  border-radius: 50%; font-size: 11px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}

/* author voice box */
.voice-box {
  background: var(--pink-50); border-radius: var(--radius-md);
  padding: 18px 20px; margin: 0 0 22px;
  display: flex; gap: 14px; align-items: flex-start;
}
.voice-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, var(--pink-400), var(--pink-600));
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 14px; font-weight: 700; flex-shrink: 0;
}
.voice-text { font-size: 14px; color: var(--text-mid); line-height: 1.75; }
.voice-name { font-size: 12px; font-weight: 700; color: var(--pink-600); margin-bottom: 4px; }

/* callout / point box */
.point-box {
  background: var(--white); border: 1px solid var(--border);
  border-left: 4px solid var(--pink-400); border-radius: var(--radius-md);
  padding: 18px 20px; margin: 0 0 22px;
}
.point-box-title {
  font-size: 13px; font-weight: 700; color: var(--pink-600);
  margin-bottom: 8px; display: flex; align-items: center; gap: 6px;
}
.point-box p:last-child { margin-bottom: 0; }
.point-box p { font-size: 14px; }

/* note / caution box */
.note-box {
  background: #FEF9EC; border: 1px solid #F5D97A;
  border-radius: var(--radius-md); padding: 16px 18px; margin: 0 0 22px;
}
.note-box-title { font-size: 13px; font-weight: 700; color: #7A5C00; margin-bottom: 6px; }
.note-box p { font-size: 14px; color: #6B5200; margin-bottom: 0; }

/* ===== PR + AFFILIATE ===== */
.pr-notice {
  display: inline-flex; align-items: center; gap: 6px;
  background: #FEF9EC; border: 1px solid #F5D97A; color: #7A5C00;
  font-size: 11px; font-weight: 700; padding: 5px 12px;
  border-radius: var(--radius-pill); margin-bottom: 16px;
}
.pr-notice::before {
  content: "PR"; background: #F5D97A; color: #7A5C00;
  font-size: 10px; font-weight: 700; padding: 1px 6px; border-radius: 4px;
}
.btn-pr-label { font-size: 10px; opacity: 0.8; font-weight: 400; margin-left: 2px; }

.app-cta {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 22px; margin: 28px 0;
}
.app-cta.featured { border-color: rgba(251,187,36,0.4); }
.app-cta-name { font-size: 17px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.app-cta-desc { font-size: 14px; color: var(--text-mid); line-height: 1.75; margin-bottom: 16px; }
.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--pink-500), var(--pink-600));
  color: white; font-size: 14px; font-weight: 700;
  padding: 12px 28px; border-radius: var(--radius-pill);
  text-decoration: none; transition: opacity 0.2s, transform 0.2s;
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }
.btn-outline {
  display: inline-block; background: transparent; color: var(--pink-500);
  font-size: 14px; font-weight: 700; padding: 11px 26px;
  border-radius: var(--radius-pill); border: 1.5px solid var(--pink-400);
  text-decoration: none; transition: background 0.2s;
}
.btn-outline:hover { background: var(--pink-50); }

/* ===== RELATED ARTICLES ===== */
.related {
  margin: 48px 0; padding-top: 32px; border-top: 1px solid var(--border);
}
.related-title {
  font-family: var(--serif); font-size: 18px; font-weight: 700;
  color: var(--text-dark); margin-bottom: 18px;
}
.related-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.related-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 16px; text-decoration: none;
  display: flex; flex-direction: column; gap: 8px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.related-card:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(212,83,126,0.08); }
.related-card .article-cat { width: fit-content; }
.related-card-title { font-size: 14px; font-weight: 700; color: var(--text-dark); line-height: 1.5; }

/* ===== FOOTER ===== */
footer {
  text-align: center; padding: 40px 24px;
  font-size: 12px; color: var(--text-light);
  border-top: 1px solid var(--border); margin-top: 48px;
}
.footer-logo {
  font-family: var(--serif); font-size: 15px; font-weight: 700;
  color: var(--pink-500); margin-bottom: 12px;
}
.footer-links {
  display: flex; gap: 20px; justify-content: center;
  flex-wrap: wrap; margin-bottom: 16px;
}
.footer-links a { color: var(--text-light); text-decoration: none; font-size: 12px; }
.footer-links a:hover { color: var(--pink-500); }

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
  header nav { display: none; }
  .related-grid { grid-template-columns: 1fr; }
  body { font-size: 15px; }
  .article-body p, .article-body li { font-size: 15px; }
  .compare-table { font-size: 13px; }
  .step-flow { flex-direction: column; }
  .step-flow .step-arrow { transform: rotate(90deg); }
  .stat-grid { grid-template-columns: 1fr 1fr; }
}

/* ===== ICONS (inline emoji-style accent circles) ===== */
.icon-circle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--pink-100); color: var(--pink-600);
  font-size: 22px; flex-shrink: 0;
}
.icon-circle.amber { background: #FEF3C7; color: #B45309; }
.icon-circle.teal { background: #D1FAE5; color: #047857; }
.icon-circle.blue { background: #DBEAFE; color: #1D4ED8; }

/* ===== SECTION LEAD (icon + heading combo) ===== */
.lead-icon {
  display: flex; align-items: center; gap: 14px; margin: 44px 0 18px;
}
.lead-icon h2 { margin: 0; padding: 0; border: none; }

/* ===== STAT / NUMBER GRID ===== */
.stat-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px; margin: 0 0 26px;
}
.stat-card {
  background: var(--pink-50); border-radius: var(--radius-md);
  padding: 18px 16px; text-align: center;
}
.stat-num {
  font-family: var(--serif); font-size: 28px; font-weight: 700;
  color: var(--pink-600); line-height: 1.2;
}
.stat-label { font-size: 12px; color: var(--text-mid); margin-top: 4px; }

/* ===== COMPARISON TABLE ===== */
.compare-table {
  width: 100%; border-collapse: collapse; margin: 0 0 26px;
  font-size: 14px; border-radius: var(--radius-md); overflow: hidden;
  border: 1px solid var(--border);
}
.compare-table th, .compare-table td {
  padding: 14px 14px; text-align: left; border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.compare-table thead th {
  background: var(--pink-500); color: white; font-weight: 700; font-size: 13px;
}
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table tbody th {
  background: var(--pink-50); color: var(--pink-700, var(--pink-800));
  font-weight: 700; width: 30%; font-size: 13px;
}
.compare-table .yes { color: #047857; font-weight: 700; }
.compare-table .no { color: #B83D66; font-weight: 700; }

/* ===== STEP FLOW DIAGRAM ===== */
.step-flow {
  display: flex; align-items: stretch; gap: 8px; margin: 0 0 26px;
}
.step-box {
  flex: 1; background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 16px 12px; text-align: center;
}
.step-box .step-n {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--pink-500); color: white; font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 8px;
}
.step-box .step-emoji { font-size: 26px; display: block; margin-bottom: 6px; }
.step-box .step-t { font-size: 13px; font-weight: 700; color: var(--text-dark); margin-bottom: 4px; }
.step-box .step-d { font-size: 12px; color: var(--text-mid); line-height: 1.5; }
.step-arrow { display: flex; align-items: center; color: var(--pink-400); font-size: 18px; }

/* ===== CHECKLIST CARD (visual) ===== */
.check-list { margin: 0 0 26px; }
.check-list .check-item {
  display: flex; align-items: flex-start; gap: 12px;
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 14px 16px; margin-bottom: 10px;
}
.check-list .check-icon {
  width: 28px; height: 28px; border-radius: 50%; background: #D1FAE5;
  color: #047857; display: flex; align-items: center; justify-content: center;
  font-size: 14px; flex-shrink: 0;
}
.check-list .check-icon.cross { background: var(--pink-100); color: var(--pink-600); }
.check-list .check-body { font-size: 14px; line-height: 1.7; }
.check-list .check-body strong { color: var(--text-dark); }

/* ===== PROS / CONS ===== */
.proscons { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 0 0 26px; }
.proscons-col {
  border-radius: var(--radius-md); padding: 16px 18px;
}
.proscons-col.pros { background: #ECFDF5; border: 1px solid #A7F3D0; }
.proscons-col.cons { background: var(--pink-50); border: 1px solid var(--pink-200); }
.proscons-col h4 { font-size: 14px; font-weight: 700; margin-bottom: 10px; display: flex; align-items: center; gap: 6px; }
.proscons-col.pros h4 { color: #047857; }
.proscons-col.cons h4 { color: var(--pink-600); }
.proscons-col ul { margin: 0; padding: 0; }
.proscons-col li { font-size: 13px; line-height: 1.6; margin-bottom: 8px; padding-left: 20px; }
.proscons-col li::before { left: 0; }
.proscons-col.pros li::before { content: "○"; color: #047857; }
.proscons-col.cons li::before { content: "△"; color: var(--pink-500); }

@media (max-width: 600px) {
  .proscons { grid-template-columns: 1fr; }
}