/* ========================================
   About ページ全体
======================================== */
.about-page {
    background-color: #0B0B0D;
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
}

/* ========================================
   ヒーローセクション
======================================== */
.about-hero {
    background: linear-gradient(135deg, rgba(198, 161, 91, 0.15) 0%, rgba(198, 161, 91, 0.05) 100%),
                url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><rect fill="%230B0B0D" width="1200" height="600"/><path d="M0,300 Q300,250 600,300 T1200,300" stroke="%23C6A15B" stroke-width="1" fill="none" opacity="0.1"/></svg>');
    background-size: cover;
    background-position: center;
    padding: 120px 30px;
    text-align: center;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 2px solid #2A2A2E;
}

.about-hero-content {
    max-width: 800px;
}

.about-hero-title {
    font-size: 56px;
    font-weight: 700;
    color: #F2F2F2;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.about-hero-subtitle {
    font-size: 25px;
    color: #C6A15B;
    line-height: 1.8;
    letter-spacing: 0.02em;
}

/* ========================================
   セクション全体
======================================== */
.about-section {
    padding: 100px 0;
    background-color: #0B0B0D;
}

.about-section:nth-child(even) {
    background-color: rgba(20, 20, 24, 0.5);
}

.about-section-title {
    font-size: 42px;
    font-weight: 700;
    color: #F2F2F2;
    text-align: center;
    margin-bottom: 15px;
    letter-spacing: -0.02em;
}

.about-section-subtitle {
    font-size: 16px;
    color: #B9BCC2;
    text-align: center;
    margin-bottom: 60px;
    letter-spacing: 0.02em;
}

/* ========================================
   大事にしていることセクション
======================================== */
.commitment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.commitment-card {
    background-color: #141418;
    border: 2px solid #2A2A2E;
    border-radius: 12px;
    padding: 40px 30px;
    transition: all 0.3s ease;
    position: relative;
}

.commitment-card:hover {
    border-color: #C6A15B;
    background-color: rgba(198, 161, 91, 0.02);
    box-shadow: 0 12px 40px rgba(198, 161, 91, 0.1);
    transform: translateY(-5px);
}

.commitment-number {
    font-size: 48px;
    font-weight: 700;
    color: #C6A15B;
    margin-bottom: 20px;
    letter-spacing: 0.02em;
}

.commitment-title {
    font-size: 20px;
    font-weight: 600;
    color: #F2F2F2;
    margin-bottom: 15px;
    letter-spacing: 0.02em;
}

.commitment-text {
    font-size: 15px;
    color: #B9BCC2;
    line-height: 1.9;
    letter-spacing: 0.01em;
}

.commitment-note {
    background: linear-gradient(135deg, rgba(198, 161, 91, 0.1) 0%, rgba(198, 161, 91, 0.05) 100%);
    border-left: 4px solid #C6A15B;
    padding: 30px 30px;
    border-radius: 8px;
    text-align: center;
}

.commitment-note p {
    font-size: 16px;
    color: #B9BCC2;
    line-height: 1.9;
    letter-spacing: 0.02em;
    margin: 0;
}

/* ========================================
   3つの特徴セクション
======================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 50px;
}

.feature-item {
    text-align: center;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-10px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #C6A15B 0%, rgba(198, 161, 91, 0.7) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    color: #FFFFFF;
    transition: all 0.3s ease;
}

.feature-item:hover .feature-icon {
    background: linear-gradient(135deg, rgba(198, 161, 91, 0.8) 0%, #C6A15B 100%);
    box-shadow: 0 12px 30px rgba(198, 161, 91, 0.3);
}

.feature-icon svg {
    width: 40px;
    height: 40px;
    stroke: currentColor;
}

.feature-title {
    font-size: 20px;
    font-weight: 600;
    color: #F2F2F2;
    margin-bottom: 15px;
    letter-spacing: 0.02em;
}

.feature-description {
    font-size: 15px;
    color: #B9BCC2;
    line-height: 1.9;
    letter-spacing: 0.01em;
}

/* ========================================
   トレーナー紹介セクション
======================================== */
.trainers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.trainer-card {
    background-color: #141418;
    border: 2px solid #2A2A2E;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.trainer-card:hover {
    border-color: #C6A15B;
    box-shadow: 0 12px 40px rgba(198, 161, 91, 0.15);
    transform: translateY(-5px);
}

.trainer-image {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, rgba(198, 161, 91, 0.1) 0%, rgba(198, 161, 91, 0.05) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 2px solid #2A2A2E;
    overflow: hidden;
}

.trainer-placeholder {
    font-size: 20px;
    color: #C6A15B;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.trainer-info {
    padding: 30px;
}

.trainer-name {
    font-size: 20px;
    font-weight: 600;
    color: #F2F2F2;
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.trainer-experience {
    font-size: 14px;
    color: #C6A15B;
    margin-bottom: 15px;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.trainer-bio {
    font-size: 14px;
    color: #B9BCC2;
    line-height: 1.8;
    letter-spacing: 0.01em;
    margin: 0;
}

/* ========================================
   CTAセクション
======================================== */
.about-cta {
    background: linear-gradient(135deg, rgba(198, 161, 91, 0.15) 0%, rgba(198, 161, 91, 0.05) 100%);
    text-align: center;
    padding: 100px 30px;
}

.cta-title {
    font-size: 42px;
    font-weight: 700;
    color: #F2F2F2;
    margin-bottom: 15px;
    letter-spacing: -0.02em;
}

.cta-subtitle {
    font-size: 18px;
    color: #B9BCC2;
    margin-bottom: 40px;
    letter-spacing: 0.02em;
}

.btn-large {
    font-size: 16px;
    padding: 16px 40px;
    display: inline-block;
}

.mobile{
    display: none;
}
/* ========================================
   レスポンシブ
======================================== */
@media (max-width: 768px) {
    .about-hero {
        padding: 80px 20px;
        min-height: 350px;
    }

    .commitment-note h2 {
        font-size: 17px;
    }

    .about-hero-title {
        font-size: 36px;
    }

    .about-hero-subtitle {
        font-size: 18px;
    }

    .about-section {
        padding: 60px 0;
    }

    .about-section-title {
        font-size: 28px;
    }

    .commitment-grid {
        gap: 25px;
    }

    .commitment-card {
        padding: 30px 20px;
    }

    .commitment-number {
        font-size: 36px;
    }

    .features-grid {
        gap: 30px;
    }

    .feature-icon {
        width: 60px;
        height: 60px;
    }

    .trainers-grid {
        grid-template-columns: 1fr;
    }

    .about-cta {
        padding: 60px 20px;
    }

    .cta-title {
        font-size: 28px;
    }

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

@media (max-width: 480px) {
    .about-hero-title {
        font-size: 28px;
    }

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

    .about-section-title {
        font-size: 22px;
        margin-bottom: 40px;
    }

    .commitment-grid {
        gap: 20px;
    }

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

    .feature-icon {
        width: 50px;
        height: 50px;
        margin: 0 auto 20px;
    }

    .feature-icon svg {
        width: 30px;
        height: 30px;
    }

    .cta-title{
        font-size: 20px;
    }
    .pc{
        display: none;
    }
    .mobile{
        display: block;
    }
}
