/* 全体基本設定 */
:root {
  --primary-green: #2eb67d;
  --primary-blue: #36b5e8;
  --primary-pink: #ff7ebb;
  --bg-light: #f4f9f6;
  --text-main: #333333;
  --text-sub: #666666;
}

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

body {
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  color: var(--text-main);
  line-height: 1.7;
  background-color: #ffffff;
}

/* ヘッダー */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(5px);
  border-bottom: 2px solid var(--primary-green);
  z-index: 1000;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ヘッダーロゴ枠設定 */
.logo {
  display: flex;
  align-items: center;
  height: 48px;
  max-width: 280px;
  min-width: 150px;
}

.logo a {
  display: flex;
  align-items: center;
  height: 100%;
  width: 100%;
}

.logo img {
  height: 100%;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  display: block;
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 20px;
  align-items: center;
}

.main-nav a {
  text-decoration: none;
  color: var(--text-main);
  font-size: 0.95rem;
  transition: color 0.3s;
}

.main-nav a:hover {
  color: var(--primary-blue);
}

.main-nav .nav-btn {
  background: var(--primary-green);
  color: #fff;
  padding: 8px 16px;
  border-radius: 20px;
}

/* ヒーローエリア */
.hero-section {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  max-width: 1100px;
  margin: 40px auto;
  padding: 0 20px;
  gap: 40px;
}

.hero-content {
  flex: 1;
  min-width: 300px;
}

.hero-content h1 {
  font-size: 2rem;
  color: #111;
  line-height: 1.4;
  margin-bottom: 15px;
}

.hero-sub {
  color: var(--text-sub);
  margin-bottom: 25px;
}

.hero-image {
  flex: 1;
  min-width: 300px;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

/* ボタン共通 */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: bold;
  transition: opacity 0.3s, transform 0.2s;
}

.btn:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
  color: #ffffff;
}

.btn-insta {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  color: #ffffff;
}

/* セクション共通 */
.section {
  padding: 60px 20px;
}

.bg-light {
  background-color: var(--bg-light);
}

.container {
  max-width: 900px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  font-size: 1.7rem;
  color: var(--primary-green);
  margin-bottom: 15px;
}

.section-lead {
  text-align: center;
  font-size: 1.2rem;
  font-weight: bold;
  margin-bottom: 15px;
}

.section-desc {
  text-align: center;
  color: var(--text-sub);
  margin-bottom: 30px;
}

.text-center {
  text-align: center;
}

/* カードレイアウト */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.card {
  background: #ffffff;
  padding: 30px 20px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  border-top: 4px solid var(--primary-blue);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

/* スケジュールボックス */
.schedule-box {
  background: #ffffff;
  border: 2px solid var(--primary-green);
  border-radius: 12px;
  padding: 30px;
}

.schedule-box h3 {
  color: var(--primary-green);
  margin-bottom: 15px;
}

.schedule-box ul {
  list-style: none;
  margin-bottom: 20px;
}

.schedule-box li {
  margin-bottom: 8px;
}

.schedule-box hr {
  border: 0;
  border-top: 1px dashed #ccc;
  margin: 20px 0;
}

.flow-list {
  list-style: none;
}

.flow-list li {
  margin-bottom: 15px;
  padding-left: 10px;
  border-left: 3px solid var(--primary-blue);
}

/* お問い合わせフォーム */
.contact-form {
  background: #ffffff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  border: 1px solid #e0e0e0;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: bold;
  margin-bottom: 8px;
}

.required {
  background: #e74c3c;
  color: #fff;
  font-size: 0.75rem;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 6px;
}

.optional {
  background: #95a5a6;
  color: #fff;
  font-size: 0.75rem;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 1rem;
}

.form-submit {
  text-align: center;
  margin-top: 30px;
}

.btn-submit {
  background: var(--primary-green);
  color: #ffffff;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  padding: 14px 40px;
}

/* プライバシーポリシー */
.section-policy {
  font-size: 0.85rem;
  color: var(--text-sub);
}

.section-policy h3 {
  font-size: 0.95rem;
  margin-bottom: 10px;
}

.section-policy ol {
  margin-left: 20px;
  margin-bottom: 15px;
}

/* フッター（明るいグラデーション背景） */
.site-footer {
  background: linear-gradient(135deg, #eafaf1, #e8f7fc);
  border-top: 1px solid #dcdcdc;
  color: var(--text-main);
  text-align: center;
  padding: 40px 20px;
  font-size: 0.85rem;
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.footer-logo {
  height: 60px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  display: block;
}

/* モバイル対応 */
@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    gap: 10px;
  }
  .main-nav ul {
    font-size: 0.85rem;
    gap: 10px;
  }
  .hero-content h1 {
    font-size: 1.5rem;
  }
}