@charset "UTF-8";

.sponsor-hero {
  padding: 100px 20px 40px;
  text-align: center;
}
.sponsor-hero h1 {
  font-size: 3rem;
  margin-bottom: 10px;
}
.sponsor-hero p {
  font-size: 1.2rem;
  color: #ccc;
}
.sponsor-hero-edition {
  margin-top: 1.2rem;
  font-size: 1rem;
  color: #ffcc00;
  border: 1px solid rgba(255,204,0,0.4);
  display: inline-block;
  padding: 8px 24px;
  border-radius: 4px;
  background: rgba(255,204,0,0.06);
}
.sponsor-hero-edition strong {
  color: #fff;
}

.sponsor-about,
.sponsor-features,
.sponsor-recruit,
.sponsor-contact {
  max-width: 960px;
  margin: 0 auto;
  padding: 40px 20px;
}

.sponsor-about h2,
.sponsor-features h2,
.sponsor-recruit h2,
.sponsor-contact h2 {
  font-size: 1.6rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #333;
}

.sponsor-about p,
.sponsor-lead {
  color: #ccc;
  line-height: 1.9;
}

/* 実績数値 */
.sponsor-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 2rem;
}
.stat-item {
  text-align: center;
}
.stat-number {
  display: block;
  font-size: 2.8rem;
  font-weight: 700;
  color: #ffcc00;
  line-height: 1;
}
.stat-label {
  display: block;
  font-size: 0.9rem;
  color: #aaa;
  margin-top: 6px;
}

/* 特徴セクション */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 1.5rem;
}
.feature-item {
  background: #1a1a1a;
  border-radius: 12px;
  padding: 24px 20px;
  border: 1px solid #333;
}
.feature-item h3 {
  font-size: 1.1rem;
  color: #ffcc00;
  margin-bottom: 0.5rem;
}
.feature-item p {
  color: #ccc;
  font-size: 0.95rem;
  line-height: 1.7;
}

/* 協賛プランカード */
.sponsor-plans {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 2rem;
}

.sponsor-card {
  background: #1a1a1a;
  border-radius: 12px;
  padding: 28px 24px;
  border: 1px solid #333;
  transition: border-color 0.3s;
}
.sponsor-card:hover {
  border-color: #ffcc00;
}
.sponsor-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}
.sponsor-card.diamond h3 { color: #b9f2ff; }
.sponsor-card.gold h3 { color: #ffcc00; }
.sponsor-card.silver h3 { color: #c0c0c0; }
.sponsor-card.bronze h3 { color: #cd7f32; }

.sponsor-price {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.sponsor-card ul {
  list-style: none;
  padding: 0;
}
.sponsor-card ul li {
  padding: 6px 0;
  color: #ccc;
  border-bottom: 1px solid #222;
  font-size: 0.95rem;
}
.sponsor-card ul li:last-child {
  border-bottom: none;
}

.sponsor-contact {
  text-align: center;
  padding-bottom: 60px;
}
.sponsor-contact p {
  color: #ccc;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

/* タブ切り替え */
.contact-tabs {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-bottom: 2rem;
}
.tab-btn {
  background: transparent;
  border: 1px solid #444;
  color: #888;
  padding: 10px 28px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s;
}
.tab-btn:first-child {
  border-radius: 4px 0 0 4px;
}
.tab-btn:last-child {
  border-radius: 0 4px 4px 0;
  border-left: none;
}
.tab-btn.active {
  background: #ffcc00;
  color: #000;
  border-color: #ffcc00;
  font-weight: bold;
}
.tab-panel {
  display: none;
}
.tab-panel.active {
  display: block;
}

/* お問い合わせフォーム（インライン） */
.sponsor-contact .sponsor-apply {
  padding: 0;
  text-align: left;
}

/* 申込フォーム（sponsor/apply.php） */
.sponsor-apply {
  max-width: 680px;
  margin: 0 auto;
  padding: 100px 20px 60px;
}
.sponsor-apply h1 {
  font-size: 1.6rem;
  color: #ffcc00;
  margin-bottom: 0.5rem;
}
.sponsor-apply-lead {
  color: #ccc;
  line-height: 1.8;
  margin-bottom: 2rem;
  font-size: 0.95rem;
}
.plan-highlight {
  background: rgba(255,204,0,0.08);
  border: 1px solid #ffcc00;
  border-radius: 8px;
  padding: 1.2rem 1.5rem;
  margin-bottom: 2rem;
}
.plan-highlight h3 {
  color: #ffcc00;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}
.plan-highlight p {
  color: #eee;
  font-size: 0.9rem;
  line-height: 1.7;
  margin: 0;
}
.plan-highlight-price {
  font-size: 1.4rem;
  font-weight: bold;
  color: #ffcc00;
}
.plan-highlight-price span {
  font-size: 0.8rem;
  font-weight: normal;
  color: #ccc;
}
.sponsor-apply .form-group {
  margin-bottom: 1.2rem;
}
.sponsor-apply .form-group label {
  display: block;
  font-size: 0.85rem;
  color: #bbb;
  margin-bottom: 0.4rem;
}
.sponsor-apply .form-group input,
.sponsor-apply .form-group textarea {
  width: 100%;
  background: #111;
  border: 1px solid #444;
  color: #fff;
  padding: 0.6rem 0.8rem;
  font-size: 0.95rem;
  border-radius: 4px;
  box-sizing: border-box;
  font-family: inherit;
}
.sponsor-apply .form-group input[type="file"] {
  padding: 0.4rem 0;
  border: none;
  color: #ccc;
}
.sponsor-apply .form-group textarea {
  min-height: 100px;
  resize: vertical;
}
.sponsor-apply .form-group input:focus,
.sponsor-apply .form-group textarea:focus {
  outline: none;
  border-color: #ffcc00;
}
.req { color: #e06060; margin-left: 3px; }
.label-note { font-size: 0.78rem; color: #888; margin-left: 0.4rem; }
.help-text { font-size: 0.78rem; color: #666; margin: 0.4rem 0 0; }
.btn-submit {
  background: #ffcc00;
  color: #000;
  border: none;
  padding: 0.8rem 2.5rem;
  font-size: 1rem;
  font-weight: bold;
  border-radius: 4px;
  cursor: pointer;
  width: 100%;
}
.btn-submit:hover { opacity: 0.9; }
.error-msg {
  background: #200;
  border: 1px solid #a44;
  color: #faa;
  padding: 0.8rem 1rem;
  border-radius: 4px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}
.success-box {
  background: #051505;
  border: 1px solid #3a7a3a;
  color: #7ac47a;
  padding: 1.5rem;
  border-radius: 8px;
  text-align: center;
}
.success-box h2 {
  color: #7ac47a;
  margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
  .sponsor-hero h1 {
    font-size: 2.2rem;
  }
  .sponsor-stats {
    gap: 24px;
  }
  .stat-number {
    font-size: 2rem;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .sponsor-plans {
    grid-template-columns: 1fr;
  }
  .sponsor-about,
  .sponsor-features,
  .sponsor-recruit,
  .sponsor-contact {
    padding: 30px 16px;
  }
}