/* ========================================
   グローバルスタイル
   ======================================== */

:root {
    --primary-color: #d4af37;
    --dark-bg: #1a1a1a;
    --light-text: #ffffff;
    --secondary-text: #e0e0e0;
    --accent-color: #8b7355;
    --border-color: #333333;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--dark-bg);
    color: var(--light-text);
    line-height: 1.6;
}

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

/* ========================================
   ナビゲーション
   ======================================== */

.navbar {
    background-color: rgba(26, 26, 26, 0.95);
    border-bottom: 2px solid var(--primary-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo-text {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    color: var(--secondary-text);
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
}

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

.cta-link {
    color: var(--primary-color) !important;
    border: 2px solid var(--primary-color);
    padding: 8px 20px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.cta-link:hover {
    background-color: var(--primary-color);
    color: var(--dark-bg) !important;
}

/* ========================================
   ヒーロー セクション
   ======================================== */

.hero {
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.95) 0%, rgba(40, 30, 20, 0.95) 100%);
    padding: 80px 20px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
    color: var(--light-text);
    line-height: 1.2;
}

.hero-title strong {
    color: var(--primary-color);
}

.hero-subtitle {
    font-size: 18px;
    color: var(--secondary-text);
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-cta {
    margin-top: 30px;
}

.profile-image {
    width: 100%;
    max-width: 400px;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(212, 175, 55, 0.2);
    transition: transform 0.3s ease;
}

.profile-image:hover {
    transform: scale(1.05);
}

/* ========================================
   バナー セクション
   ======================================== */

.banner-section {
    padding: 40px 20px;
    background-color: rgba(26, 26, 26, 0.8);
    text-align: center;
}

.banner-image {
    max-width: 100%;
    height: auto;
    max-height: 400px;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(212, 175, 55, 0.3);
}

/* ========================================
   セクション共通スタイル
   ======================================== */

section {
    padding: 80px 20px;
}

section:nth-child(odd) {
    background-color: rgba(26, 26, 26, 0.5);
}

section:nth-child(even) {
    background-color: rgba(40, 30, 20, 0.3);
}

.section-title {
    font-size: 42px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 50px;
    color: var(--light-text);
}

.section-title strong {
    color: var(--primary-color);
}

/* ========================================
   問題提示 セクション
   ======================================== */

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.problem-card {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(139, 115, 85, 0.1) 100%);
    padding: 30px;
    border-radius: 10px;
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: all 0.3s ease;
    text-align: center;
}

.problem-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.2);
}

.problem-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.problem-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.problem-card p {
    color: var(--secondary-text);
    line-height: 1.8;
}

/* ========================================
   ソリューション セクション
   ======================================== */

.solution-intro {
    font-size: 18px;
    text-align: center;
    margin-bottom: 50px;
    color: var(--secondary-text);
    line-height: 1.8;
}

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

.feature {
    text-align: center;
}

.feature-number {
    display: inline-block;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--dark-bg);
    border-radius: 50%;
    font-size: 32px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.feature p {
    color: var(--secondary-text);
    line-height: 1.8;
}

/* ========================================
   メールレッスン詳細 セクション
   ======================================== */

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

.lesson-detail-item {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.05) 0%, rgba(139, 115, 85, 0.05) 100%);
    padding: 30px;
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
}

.lesson-detail-item h3 {
    font-size: 22px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.lesson-detail-item ul {
    list-style: none;
    padding-left: 0;
}

.lesson-detail-item li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
    color: var(--secondary-text);
    line-height: 1.8;
}

.lesson-detail-item li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* ========================================
   東洋哲学・算命学 セクション
   ======================================== */

.philosophy-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.philosophy-card {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(139, 115, 85, 0.1) 100%);
    padding: 30px;
    border-radius: 10px;
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: all 0.3s ease;
}

.philosophy-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.2);
}

.philosophy-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.philosophy-card p {
    color: var(--secondary-text);
    line-height: 1.8;
}

/* ========================================
   メルマガ紹介 セクション
   ======================================== */

.magazine-intro {
    font-size: 18px;
    text-align: center;
    margin-bottom: 40px;
    color: var(--secondary-text);
    line-height: 1.8;
}

.magazine-content {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.05) 0%, rgba(139, 115, 85, 0.05) 100%);
    padding: 40px;
    border-radius: 10px;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.magazine-content h3 {
    font-size: 24px;
    margin-bottom: 25px;
    color: var(--primary-color);
}

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

.magazine-content li {
    margin-bottom: 20px;
    padding-left: 30px;
    position: relative;
    color: var(--secondary-text);
    line-height: 1.8;
}

.magazine-content li::before {
    content: '◆';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* ========================================
   プロフィール セクション
   ======================================== */

.profile-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.profile-image-large {
    text-align: center;
}

.profile-image-large img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(212, 175, 55, 0.2);
}

.profile-text h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.profile-text p {
    margin-bottom: 15px;
    color: var(--secondary-text);
    line-height: 1.8;
}

/* ========================================
   CTA セクション
   ======================================== */

.cta-section {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.15) 0%, rgba(139, 115, 85, 0.15) 100%);
    text-align: center;
    padding: 100px 20px;
}

.cta-title {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
    color: var(--light-text);
    line-height: 1.2;
}

.cta-subtitle {
    font-size: 20px;
    color: var(--secondary-text);
    margin-bottom: 40px;
    line-height: 1.8;
}

.cta-form {
    margin-top: 40px;
}

.cta-note {
    font-size: 14px;
    color: var(--secondary-text);
    margin-top: 20px;
}

/* ========================================
   診断ツール セクション
   ======================================== */

.diagnosis-intro {
    font-size: 18px;
    text-align: center;
    margin-bottom: 40px;
    color: var(--secondary-text);
    line-height: 1.8;
}

.diagnosis-form {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.05) 0%, rgba(139, 115, 85, 0.05) 100%);
    padding: 40px;
    border-radius: 10px;
    border: 1px solid rgba(212, 175, 55, 0.2);
    max-width: 600px;
    margin: 0 auto;
}

.question {
    margin-bottom: 30px;
}

.question h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.question input[type="text"],
.question input[type="email"],
.question input[type="date"] {
    width: 100%;
    padding: 12px;
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 5px;
    background-color: rgba(26, 26, 26, 0.5);
    color: var(--light-text);
    font-size: 16px;
}

.question input[type="text"]:focus,
.question input[type="email"]:focus,
.question input[type="date"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.2);
}

.radio-group,
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.radio-group label,
.checkbox-group label {
    display: flex;
    align-items: center;
    cursor: pointer;
    color: var(--secondary-text);
    transition: color 0.3s ease;
}

.radio-group label:hover,
.checkbox-group label:hover {
    color: var(--primary-color);
}

.radio-group input,
.checkbox-group input {
    margin-right: 10px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.diagnosis-result {
    margin-top: 40px;
    padding: 30px;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(139, 115, 85, 0.1) 100%);
    border-radius: 10px;
    border: 2px solid var(--primary-color);
}

.diagnosis-result h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--primary-color);
    text-align: center;
}

#resultContent {
    margin-bottom: 20px;
}

/* ========================================
   ボタン
   ======================================== */

.btn {
    display: inline-block;
    padding: 15px 40px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--dark-bg);
    border: 2px solid var(--primary-color);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--dark-bg);
}

.btn-large {
    padding: 20px 50px;
    font-size: 18px;
}

/* ========================================
   フッター
   ======================================== */

.footer {
    background-color: rgba(26, 26, 26, 0.95);
    border-top: 2px solid var(--primary-color);
    padding: 40px 20px;
    text-align: center;
    color: var(--secondary-text);
}

.footer p {
    margin-bottom: 10px;
}

/* ========================================
   レスポンシブ デザイン
   ======================================== */

@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .section-title {
        font-size: 32px;
    }

    .profile-content {
        grid-template-columns: 1fr;
    }

    .nav-links {
        gap: 15px;
    }

    .problem-grid,
    .solution-features,
    .philosophy-content,
    .lesson-details {
        grid-template-columns: 1fr;
    }

    .cta-title {
        font-size: 32px;
    }

    .cta-subtitle {
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 24px;
    }

    .section-title {
        font-size: 24px;
    }

    .nav-links {
        flex-direction: column;
        gap: 10px;
    }

    .cta-title {
        font-size: 24px;
    }

    .btn {
        padding: 12px 30px;
        font-size: 14px;
    }

    .btn-large {
        padding: 15px 40px;
        font-size