:root {
  --wc-red:    #E60012;
  --wc-blue:   #1976D2;
  --wc-gray:   #f5f5f5;
  --wc-font:   'Roboto', sans-serif;
}

/* ---------- body & リセット ---------- */
body.youfo-worldcup {
  font-family: var(--wc-font);
  color: #333;
  line-height: 1.6;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ---------- ヘッダーナビ ---------- */
.wc-header--main {
  background: #fff;
  border-bottom: 1px solid #eee;
}
.wc-header--main .container {
  max-width: 900px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.wc-header--main .logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--wc-red);
  text-decoration: none;
}
.wc-nav {
  display: flex;
  gap: 16px;
}
.wc-nav a {
  color: #333;
  text-decoration: none;
  font-weight: 500;
  transition: color .2s;
}
.wc-nav a:hover {
  color: var(--wc-red);
}

/* ---------- モバイル用ハンバーガー ---------- */
.wc-nav-toggle {
  display: none;
  background: none;
  border: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
}
.wc-nav-toggle-bar {
  width: 24px;
  height: 3px;
  background: #333;
  border-radius: 2px;
}

/* ---------- ヒーローセクション ---------- */
.wc-hero {
  color: #fff;
  text-align: center;
  padding: 80px 20px;
  background-size: cover;
  background-position: center;
}
.wc-hero .container {
  max-width: 900px;
  margin: 0 auto;
}
.wc-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 12px;
}
.wc-hero p {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
}

/* ---------- レスポンシブ ---------- */
@media (max-width: 768px) {
  /* ナビを非表示にしてハンバーガーを表示 */
  .wc-nav {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: #fff;
    flex-direction: column;
    width: 80%;
    max-width: 280px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    padding: 10px;
  }
  .wc-nav.show {
    display: flex;
  }
  .wc-nav-toggle {
    display: flex;
  }
}