*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --primary: #e91e8c;
  --primary-dark: #b5126d;
  --accent: #ff6b9d;
  --dark: #1a1a1a;
  --gray: #555;
  --light: #fdf0f7;
  --light-gray: #f5f5f5;
  --white: #ffffff;
  --border: #e0e0e0;
  --font-main: 'Noto Sans JP', 'Hiragino Sans', sans-serif;
  --shadow: 0 4px 20px rgba(0,0,0,0.1);
  --radius: 12px;
}
html { scroll-behavior: smooth; }
body { font-family: var(--font-main); color: var(--dark); line-height: 1.7; background: var(--white); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
header { background: var(--white); border-bottom: 3px solid var(--primary); position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 10px rgba(0,0,0,0.08); }
.header-inner { max-width: 1100px; margin: 0 auto; padding: 0 20px; display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-size: 1.4rem; font-weight: 900; color: var(--primary); }
.logo span { color: var(--dark); font-size: 0.9rem; font-weight: 400; display: block; line-height: 1; }
nav ul { list-style: none; display: flex; gap: 24px; }
nav a { font-size: 0.9rem; font-weight: 600; color: var(--gray); transition: color 0.2s; }
nav a:hover { color: var(--primary); }
.btn-cta { background: var(--primary); color: var(--white) !important; padding: 8px 20px; border-radius: 50px; font-size: 0.85rem !important; transition: background 0.2s !important; }
.btn-cta:hover { background: var(--primary-dark) !important; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.hamburger span { width: 24px; height: 2px; background: var(--dark); border-radius: 2px; }
.hero { background: linear-gradient(135deg, #4a0028 0%, #9c1060 50%, #e91e8c 100%); color: var(--white); text-align: center; padding: 80px 20px; position: relative; overflow: hidden; }
.hero::before { content: '💕'; position: absolute; font-size: 300px; opacity: 0.04; top: 50%; left: 50%; transform: translate(-50%, -50%); pointer-events: none; }
.hero-badge { display: inline-block; background: #fff; color: var(--primary); font-size: 0.8rem; font-weight: 700; padding: 4px 16px; border-radius: 50px; margin-bottom: 20px; }
.hero h1 { font-size: clamp(1.8rem, 5vw, 3rem); font-weight: 900; line-height: 1.3; margin-bottom: 16px; }
.hero h1 em { font-style: normal; color: #ffe082; }
.hero p { font-size: 1.05rem; opacity: 0.9; max-width: 580px; margin: 0 auto 32px; }
.hero-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn-primary { background: #ffe082; color: var(--dark); font-weight: 700; padding: 14px 32px; border-radius: 50px; font-size: 1rem; transition: transform 0.2s, box-shadow 0.2s; box-shadow: 0 4px 15px rgba(255,224,130,0.5); }
.btn-primary:hover { transform: translateY(-2px); }
.btn-secondary { background: rgba(255,255,255,0.15); color: var(--white); font-weight: 600; padding: 14px 32px; border-radius: 50px; font-size: 1rem; border: 2px solid rgba(255,255,255,0.4); }
.stats-bar { background: var(--dark); color: var(--white); padding: 20px; }
.stats-inner { max-width: 1100px; margin: 0 auto; display: flex; justify-content: center; gap: 48px; flex-wrap: wrap; }
.stat-item { text-align: center; }
.stat-num { font-size: 1.8rem; font-weight: 900; color: #ffe082; line-height: 1; }
.stat-label { font-size: 0.8rem; opacity: 0.7; margin-top: 4px; }
section { padding: 64px 20px; }
.container { max-width: 1100px; margin: 0 auto; }
.section-title { font-size: 1.7rem; font-weight: 900; margin-bottom: 8px; }
.section-title::after { content: ''; display: block; width: 48px; height: 4px; background: var(--primary); border-radius: 2px; margin-top: 8px; }
.section-sub { color: var(--gray); margin-bottom: 40px; margin-top: 12px; }
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: transform 0.2s, box-shadow 0.2s; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card-thumb { width: 100%; height: 160px; background: linear-gradient(135deg, #fce4ec, #f8bbd0); display: flex; align-items: center; justify-content: center; font-size: 4rem; }
.card-body { padding: 20px; }
.card-tag { display: inline-block; background: #fce4ec; color: var(--primary); font-size: 0.75rem; font-weight: 700; padding: 3px 10px; border-radius: 50px; margin-bottom: 10px; }
.card h3 { font-size: 1rem; font-weight: 700; line-height: 1.5; margin-bottom: 8px; }
.card p { font-size: 0.85rem; color: var(--gray); line-height: 1.6; }
.table-wrap { overflow-x: auto; margin-top: 32px; }
.compare-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.compare-table th { background: var(--primary); color: var(--white); padding: 14px 16px; text-align: left; font-weight: 700; }
.compare-table td { padding: 14px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.compare-table tr:nth-child(even) td { background: var(--light-gray); }
.compare-table tr:hover td { background: var(--light); }
.rank-badge { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; font-weight: 700; font-size: 0.85rem; color: var(--white); }
.rank-1 { background: #f39c12; }
.rank-2 { background: #95a5a6; }
.rank-3 { background: #a04000; }
.check { color: #27ae60; font-weight: 700; }
.cta-section { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: var(--white); text-align: center; padding: 64px 20px; }
.cta-section h2 { font-size: 1.8rem; font-weight: 900; margin-bottom: 12px; }
.cta-section p { opacity: 0.85; margin-bottom: 32px; }
.article-header { background: linear-gradient(135deg, #4a0028, #9c1060); color: var(--white); padding: 48px 20px; }
.article-header .container { max-width: 800px; }
.article-category { display: inline-block; background: var(--primary); color: var(--white); font-size: 0.8rem; font-weight: 700; padding: 4px 14px; border-radius: 50px; margin-bottom: 16px; }
.article-header h1 { font-size: clamp(1.5rem, 4vw, 2.2rem); font-weight: 900; line-height: 1.4; margin-bottom: 16px; }
.article-meta { display: flex; gap: 16px; font-size: 0.85rem; opacity: 0.7; flex-wrap: wrap; }
.article-body { max-width: 800px; margin: 48px auto; padding: 0 20px; }
.article-body h2 { font-size: 1.4rem; font-weight: 900; margin: 40px 0 16px; padding-left: 16px; border-left: 4px solid var(--primary); }
.article-body h3 { font-size: 1.1rem; font-weight: 700; margin: 28px 0 12px; color: var(--primary-dark); }
.article-body p { margin-bottom: 16px; font-size: 1rem; line-height: 1.85; }
.article-body ul, .article-body ol { margin: 16px 0 16px 24px; }
.article-body li { margin-bottom: 8px; line-height: 1.7; }
.notice-box { background: #fff8e1; border-left: 4px solid #f39c12; padding: 16px 20px; border-radius: 0 8px 8px 0; margin: 24px 0; font-size: 0.95rem; }
.info-box { background: #e8f5e9; border-left: 4px solid #27ae60; padding: 16px 20px; border-radius: 0 8px 8px 0; margin: 24px 0; font-size: 0.95rem; }
footer { background: var(--dark); color: rgba(255,255,255,0.7); padding: 48px 20px 24px; }
.footer-inner { max-width: 1100px; margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo { color: var(--white); margin-bottom: 12px; }
.footer-brand p { font-size: 0.85rem; line-height: 1.7; }
.footer-links h4 { color: var(--white); font-size: 0.9rem; margin-bottom: 12px; font-weight: 700; }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { font-size: 0.85rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; font-size: 0.8rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
@media (max-width: 768px) {
  nav ul { display: none; }
  .hamburger { display: flex; }
  nav.open ul { display: flex; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--white); padding: 16px 20px; border-bottom: 1px solid var(--border); gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
}