:root {
    --primary-color: #1a4b8c;
    --primary-dark: #0d2d5a;
    --accent-color: #c9a227;
    --text-color: #333333;
    --text-light: #666666;
    --bg-light: #f8f9fa;
    --bg-section: #e8f0f8;
    --white: #ffffff;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text-color);
    line-height: 1.8;
    background-color: var(--white);
}

/* ヘッダー */
.header {
    background-color: var(--white);
    padding: 12px 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-color);
}

.header-cta {
    background-color: var(--accent-color);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    transition: all 0.3s ease;
}

.header-cta:hover {
    background-color: #b8911f;
    transform: translateY(-2px);
}

/* ヒーローセクション */
.hero {
    background: linear-gradient(135deg, rgba(26, 75, 140, 0.9) 0%, rgba(13, 45, 90, 0.95) 100%),
                url('https://images.pexels.com/photos/3183150/pexels-photo-3183150.jpeg?auto=compress&cs=tinysrgb&w=1920') center/cover no-repeat;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 20px 80px;
    color: var(--white);
}

.hero-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--white);
    padding: 8px 24px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(28px, 5vw, 48px);
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 16px;
}

.hero-title .highlight {
    color: var(--accent-color);
}

.hero-subtitle {
    font-size: clamp(18px, 3vw, 28px);
    font-weight: 700;
    margin-bottom: 32px;
    opacity: 0.95;
}

.hero-description {
    font-size: 16px;
    line-height: 2;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.hero-info-item {
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 16px 28px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-info-label {
    font-size: 12px;
    opacity: 0.8;
    margin-bottom: 4px;
}

.hero-info-value {
    font-size: 18px;
    font-weight: 700;
}

.hero-info-value.large {
    font-size: 24px;
    color: var(--accent-color);
}

/* CTAボタン */
.cta-button {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--white);
    padding: 20px 48px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 18px;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(201, 162, 39, 0.4);
}

.cta-button:hover {
    background-color: #b8911f;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(201, 162, 39, 0.5);
}

.cta-note {
    margin-top: 16px;
    font-size: 14px;
    opacity: 0.8;
}

/* セクション共通 */
section {
    padding: 80px 20px;
}

.section-title {
    text-align: center;
    font-size: clamp(24px, 4vw, 36px);
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.section-subtitle {
    text-align: center;
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 48px;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
}

/* こんな悩みセクション */
.problems {
    background-color: var(--bg-light);
}

.problems-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.problem-item {
    background-color: var(--white);
    padding: 28px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.problem-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.problem-text {
    font-size: 15px;
    line-height: 1.8;
}

/* 学べることセクション */
.features {
    background-color: var(--white);
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.feature-item {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    background-color: var(--bg-section);
    padding: 32px;
    border-radius: 16px;
    border-left: 5px solid var(--primary-color);
}

.feature-number {
    background-color: var(--primary-color);
    color: var(--white);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    flex-shrink: 0;
}

.feature-content {
    flex: 1;
}

.feature-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.feature-description {
    font-size: 15px;
    color: var(--text-light);
}

.feature-description li {
    margin-bottom: 8px;
    list-style: none;
    position: relative;
    padding-left: 20px;
}

.feature-description li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

/* 講師セクション */
.instructors {
    background-color: var(--bg-light);
}

.instructors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.instructor-card {
    background-color: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.instructor-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 24px 24px 80px;
    text-align: center;
    position: relative;
}

.instructor-image-wrapper {
    position: relative;
    margin-top: -60px;
    margin-bottom: 16px;
    display: flex;
    justify-content: center;
}

.instructor-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--white);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.instructor-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.instructor-title {
    font-size: 14px;
    opacity: 0.9;
}

.instructor-body {
    padding: 0 24px 24px;
    text-align: center;
}

.instructor-name-below {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.instructor-title-below {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 16px;
}

.instructor-credentials {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-bottom: 16px;
}

.credential-tag {
    background-color: var(--bg-section);
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.instructor-bio {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
}

/* 開催概要セクション */
.overview {
    background-color: var(--white);
}

.overview-table {
    background-color: var(--bg-light);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.overview-row {
    display: flex;
    border-bottom: 1px solid #e0e0e0;
}

.overview-row:last-child {
    border-bottom: none;
}

.overview-label {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 20px 24px;
    width: 140px;
    flex-shrink: 0;
    font-weight: 700;
    display: flex;
    align-items: center;
}

.overview-value {
    padding: 20px 24px;
    flex: 1;
    background-color: var(--white);
}

.overview-value.highlight {
    color: #c41e3a;
    font-weight: 700;
}

/* CTAセクション */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    text-align: center;
}

.cta-section .section-title {
    color: var(--white);
}

.cta-section .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.cta-button.white {
    background-color: var(--white);
    color: var(--primary-color);
}

.cta-button.white:hover {
    background-color: #f0f0f0;
}

/* 有料サービス案内 */
.services {
    background-color: var(--bg-light);
}

.services-intro {
    text-align: center;
    margin-bottom: 40px;
    font-size: 15px;
    color: var(--text-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.service-card {
    background-color: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.service-header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 20px;
    text-align: center;
}

.service-number {
    font-size: 14px;
    opacity: 0.8;
}

.service-title {
    font-size: 22px;
    font-weight: 700;
}

.service-body {
    padding: 24px;
}

.service-description {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 20px;
    text-align: center;
}

.service-detail {
    display: flex;
    margin-bottom: 12px;
}

.service-detail-label {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 700;
    width: 70px;
    text-align: center;
    flex-shrink: 0;
}

.service-detail-value {
    padding-left: 16px;
    font-size: 14px;
}

.service-price {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px dashed #ddd;
}

.price-label {
    font-size: 12px;
    color: var(--text-light);
}

.price-value {
    font-size: 28px;
    font-weight: 900;
    color: var(--primary-color);
}

.price-note {
    font-size: 12px;
    color: var(--text-light);
}

/* フッター */
.footer {
    background-color: var(--primary-dark);
    color: var(--white);
    padding: 40px 20px;
    text-align: center;
}

.footer-org {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.footer-note {
    font-size: 12px;
    opacity: 0.7;
}

/* レスポンシブ */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 12px;
    }

    .hero {
        padding: 100px 16px 60px;
    }

    .hero-info {
        flex-direction: column;
        align-items: center;
    }

    .hero-info-item {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }

    .feature-item {
        flex-direction: column;
        text-align: center;
    }

    .feature-number {
        margin: 0 auto;
    }

    .overview-row {
        flex-direction: column;
    }

    .overview-label {
        width: 100%;
    }

    .cta-button {
        padding: 16px 32px;
        font-size: 16px;
    }
}