/* リセットとベーススタイル */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #F5F1EB;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ヘッダー */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(245, 241, 235, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    width: 40px;
    height: 40px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 500;
    color: #8FA68E;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 400;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #8FA68E;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* ヒーローセクション */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
    background: linear-gradient(135deg, #F5F1EB 0%, #E8E4DE 100%);
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    z-index: 2;
}

.hero-title {
    font-size: 3rem;
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: 30px;
    color: #333;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 40px;
    line-height: 1.8;
}

.cta-button {
    display: inline-block;
    background: #8FA68E;
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(143, 166, 142, 0.3);
}

.cta-button:hover {
    background: #7A9179;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(143, 166, 142, 0.4);
}

.hero-visual {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.zen-circle {
    width: 200px;
    height: 200px;
    border: 3px solid #8FA68E;
    border-radius: 50%;
    position: absolute;
    animation: rotate 20s linear infinite;
}

.tao-flow {
    width: 150px;
    height: 150px;
    background: linear-gradient(45deg, #8FA68E, #D4D4D4);
    border-radius: 50%;
    position: absolute;
    opacity: 0.7;
    animation: float 6s ease-in-out infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* セクション共通スタイル */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
    color: #333;
    font-weight: 300;
}

/* コンセプトセクション */
.concept {
    background: white;
}

.concept-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.concept-item {
    text-align: center;
    padding: 40px 20px;
    border-radius: 15px;
    background: #F5F1EB;
    transition: transform 0.3s ease;
}

.concept-item:hover {
    transform: translateY(-5px);
}

.concept-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.concept-item h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #8FA68E;
}

.concept-item p {
    color: #666;
    line-height: 1.8;
}

/* 提供価値セクション */
.benefits {
    background: #F5F1EB;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.benefit-item {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.benefit-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.benefit-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
}

.benefit-item p {
    color: #666;
    line-height: 1.7;
}

/* 修行についてセクション */
.practice {
    background: white;
}

.practice-content {
    max-width: 800px;
    margin: 0 auto;
}

.practice-definition {
    text-align: center;
    margin-bottom: 60px;
}

.practice-definition h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #8FA68E;
}

.definition-text {
    font-size: 1.5rem;
    font-weight: 500;
    color: #333;
    margin-bottom: 20px;
    padding: 20px;
    background: #F5F1EB;
    border-radius: 10px;
    border-left: 4px solid #8FA68E;
}

.practice-steps {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 30px;
    background: #F5F1EB;
    border-radius: 15px;
}

.step-number {
    background: #8FA68E;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    flex-shrink: 0;
}

.step h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #333;
}

.step p {
    color: #666;
    line-height: 1.7;
}

/* 参加方法セクション */
.join {
    background: #F5F1EB;
}

.join-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.pricing {
    display: flex;
    justify-content: center;
}

.price-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    max-width: 350px;
    width: 100%;
}

.price-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #8FA68E;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 30px;
}

.price span {
    font-size: 1rem;
    color: #666;
}

.features {
    list-style: none;
    margin-bottom: 30px;
}

.features li {
    padding: 10px 0;
    color: #666;
    border-bottom: 1px solid #eee;
}

.features li:last-child {
    border-bottom: none;
}

.join-button {
    background: #8FA68E;
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.join-button:hover {
    background: #7A9179;
    transform: translateY(-2px);
}

.join-steps h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: #333;
}

.steps-list {
    list-style: none;
    counter-reset: step-counter;
}

.steps-list li {
    counter-increment: step-counter;
    padding: 20px 0;
    position: relative;
    padding-left: 60px;
    color: #666;
    font-size: 1.1rem;
}

.steps-list li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 20px;
    background: #8FA68E;
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
}

/* お問い合わせセクション */
.contact {
    background: white;
}

.contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-content p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 30px;
}

.contact-info {
    background: #F5F1EB;
    padding: 30px;
    border-radius: 15px;
}

.contact-info p {
    font-size: 1.1rem;
    color: #333;
    margin-bottom: 10px;
}

.contact-info p:last-child {
    margin-bottom: 0;
}

/* フッター */
.footer {
    background: #333;
    color: white;
    padding: 40px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-logo-img {
    width: 30px;
    height: 30px;
    filter: brightness(0) invert(1);
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #555;
    color: #ccc;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-visual {
        height: 200px;
    }
    
    .zen-circle {
        width: 120px;
        height: 120px;
    }
    
    .tao-flow {
        width: 90px;
        height: 90px;
    }
    
    .concept-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .practice-steps {
        gap: 20px;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
    
    .join-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .concept-item,
    .benefit-item {
        padding: 20px;
    }
    
    .step {
        padding: 20px;
    }
    
    .price-card {
        padding: 30px 20px;
    }
}