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

:root {
  --pink: #FF4B8B;
  --purple: #7B5EA7;
  --bg: #FFF8FC;
  --surface: #FFFFFF;
  --text: #1A1A2E;
  --text-secondary: #6B7280;
  --border: #E5E7EB;
  --gradient: linear-gradient(135deg, #FF4B8B 0%, #7B5EA7 100%);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.7;
}

nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,248,252,.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px; height: 64px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.nav-logo-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center; font-size: 18px;
}
.nav-logo-text { font-size: 18px; font-weight: 700; color: var(--text); }
.nav-logo-text span { color: var(--pink); }
.nav-back { font-size: 14px; color: var(--pink); text-decoration: none; font-weight: 600; }
.nav-back:hover { text-decoration: underline; }

.page-header {
  background: var(--gradient); color: #fff;
  padding: 48px 24px 40px; text-align: center;
}
.page-header h1 { font-size: clamp(26px, 5vw, 40px); font-weight: 800; letter-spacing: -.5px; margin-bottom: 8px; }
.page-header p { font-size: 15px; opacity: .85; }

.content {
  max-width: 760px; margin: 0 auto;
  padding: 48px 24px 80px;
}

.content h2 {
  font-size: 20px; font-weight: 700;
  margin: 40px 0 12px; padding-top: 8px;
  border-top: 1px solid var(--border);
  color: var(--text);
}
.content h2:first-child { border-top: none; margin-top: 0; }

.content p { font-size: 15px; color: #374151; margin-bottom: 14px; }

.content ul {
  list-style: none; margin-bottom: 14px; padding: 0;
  display: flex; flex-direction: column; gap: 8px;
}
.content ul li {
  font-size: 15px; color: #374151;
  padding-left: 20px; position: relative;
}
.content ul li::before {
  content: "·"; position: absolute; left: 0;
  color: var(--pink); font-weight: 900; font-size: 18px; line-height: 1.4;
}

.highlight-box {
  background: #FFF0F7; border-left: 4px solid var(--pink);
  border-radius: 0 12px 12px 0; padding: 16px 20px; margin: 20px 0;
}
.highlight-box p { margin: 0; font-size: 14px; color: #374151; }

.contact-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; padding: 24px; margin-top: 32px; text-align: center;
}
.contact-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.contact-card p { font-size: 14px; color: var(--text-secondary); margin-bottom: 16px; }
.contact-card a {
  display: inline-block;
  background: var(--gradient); color: #fff;
  font-weight: 600; font-size: 14px;
  padding: 10px 24px; border-radius: 50px;
  text-decoration: none;
}

footer {
  border-top: 1px solid var(--border); padding: 24px;
  text-align: center; font-size: 13px; color: var(--text-secondary);
}
footer a { color: var(--pink); text-decoration: none; }