/*
Theme Name: Jukujo Affiliate Theme
Description: 熟女系アフィリエイト専用のシンプル＆高品質テーマ
Author: ChatGPT
Version: 1.0
*/

:root {
  --bg-dark: #1c1c1c;
  --text-main: #f5f5f5;
  --accent: #c0392b;
  --accent-dark: #962d22;
  --card-bg: #2c2c2c;
  --gold: #f1c40f;
}

body {
  margin: 0;
  font-family: 'Segoe UI', 'Helvetica Neue', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.7;
}

header {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  padding: 60px 20px;
  text-align: center;
}

header h1 {
  font-size: 2.4rem;
  margin: 0;
  font-weight: bold;
  color: var(--gold);
}

header p {
  font-size: 1.1rem;
  margin-top: 10px;
  color: #ffeaea;
}

nav {
  background-color: #111;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  padding: 10px 0;
  border-bottom: 1px solid #444;
}

nav a {
  color: var(--text-main);
  padding: 14px 18px;
  text-decoration: none;
  transition: background 0.3s;
  font-weight: 500;
}

nav a:hover {
  background-color: #333;
}

main {
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 20px;
  display: grid;
  gap: 30px;
}

.card {
  background-color: var(--card-bg);
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
}

.card h2 {
  font-size: 1.4rem;
  color: var(--gold);
  border-left: 5px solid var(--accent);
  padding-left: 12px;
  margin-bottom: 12px;
}

.card p {
  font-size: 1rem;
}

.card ul {
  list-style: none;
  padding-left: 0;
}

.card li {
  margin-bottom: 8px;
}

.card li a {
  color: var(--accent);
  text-decoration: none;
}

.card li a:hover {
  text-decoration: underline;
}

.cta-button {
  display: inline-block;
  margin-top: 16px;
  background: linear-gradient(to right, #e74c3c, #c0392b);
  color: white;
  padding: 12px 24px;
  font-weight: bold;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.3s ease, transform 0.2s ease;
}

.cta-button:hover {
  background: linear-gradient(to right, #c0392b, #962d22);
  transform: scale(1.03);
}

footer {
  text-align: center;
  padding: 30px 10px;
  color: #888;
  font-size: 0.9rem;
  background-color: #111;
  margin-top: 60px;
}

@media (min-width: 900px) {
  main {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 899px) {
  main {
    grid-template-columns: 1fr;
  }

  nav {
    flex-direction: column;
  }

  nav a {
    text-align: center;
    border-top: 1px solid #222;
  }
}