/* Hero Components */
.hero-title {
    font-size: clamp(30px, 5vw, 52px);
    font-family: 'Noto Serif JP', serif;
    margin-bottom: 30px;
    line-height: 1.4;
    display: inline-block;
}

.hero-title.gold-text {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-visual {
    max-width: 850px;
    margin: 0 auto 50px;
    box-shadow: 0 50px 100px rgba(0, 0, 0, 0.7);
}

.hero-usp {
    font-size: clamp(14px, 2vw, 18px);
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 0.15em;
    margin-bottom: 50px;
}

/* Buttons */
.btn-group {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 0;
}

.btn {
    display: inline-block;
    padding: 22px 50px;
    font-size: 16px;
    font-weight: 900;
    text-decoration: none;
    border-radius: 4px;
    transition: 0.4s;
    min-width: 240px;
    text-align: center;
    cursor: pointer;
    border: none;
}

.btn-gold {
    background: var(--gold-gradient);
    color: var(--black);
    box-shadow: 0 15px 35px rgba(212, 175, 55, 0.3);
}

.btn-gold:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 45px rgba(212, 175, 55, 0.5);
}

.btn-outline {
    border: 2px solid var(--gold-solid);
    color: var(--gold-solid);
}

/* Benefit Cards */
.benefit-lead {
    max-width: 850px;
    margin: 0 auto 60px;
    text-align: center;
    font-size: 17px;
    font-weight: 500;
    line-height: 2;
    color: #333;
}

.benefit-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.benefit-card {
    border: 1px solid #eee;
    padding: 45px 25px;
    text-align: center;
    transition: 0.4s;
    background: var(--white);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.benefit-card:hover {
    border-color: var(--gold);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
}

.benefit-icon {
    width: 80px !important;
    height: 80px !important;
    margin-bottom: 25px;
    display: block;
    object-fit: contain;
}

.benefit-card p {
    font-size: 14px;
    font-weight: 900;
    color: var(--black);
}

/* Video */
.video-block {
    max-width: 800px;
    margin: 0 auto 30px;
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.15);
}

.video-caption {
    text-align: center;
    font-weight: 900;
    font-size: 20px;
    color: var(--black);
}

/* Transformation */
.trans-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 0;
    background: var(--white);
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    overflow: hidden;
}

.trans-card {
    padding: 60px;
    position: relative;
}

.trans-card.before {
    background: #fafafa;
    border-right: 1px solid #eee;
}

.trans-card.after {
    background: var(--black);
    color: var(--white);
    border-top: 6px solid var(--gold);
}

.trans-label {
    font-size: 13px;
    font-weight: 900;
    color: #888;
    margin-bottom: 10px;
    display: block;
    letter-spacing: 0.2em;
}

.after .trans-label {
    color: var(--gold);
}

.trans-card h3 {
    font-size: 28px;
    margin-bottom: 40px;
    font-family: 'Noto Serif JP', serif;
}

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

.trans-list li {
    margin-bottom: 20px;
    padding-left: 30px;
    position: relative;
    font-weight: 500;
    font-size: 16px;
}

.trans-list li::before {
    content: "✕";
    position: absolute;
    left: 0;
    color: #ccc;
    font-weight: 900;
}

.after .trans-list li::before {
    content: "✔";
    color: var(--gold);
}

/* Case Block */
.case-block {
    margin-bottom: 80px;
    padding-bottom: 80px;
    border-bottom: 1px solid #333;
}

.case-block:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.case-title {
    font-size: 26px;
    color: var(--gold);
    margin-bottom: 30px;
    font-family: 'Noto Serif JP', serif;
}

/* Detail Cards */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.detail-card {
    background: var(--white);
    border-radius: 8px;
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.detail-image {
    margin-bottom: 20px;
}

.detail-card h2 {
    font-size: 20px;
    margin-bottom: 25px;
    font-family: 'Noto Serif JP', serif;
    border-left: 5px solid var(--gold);
    padding-left: 15px;
    line-height: 1.4;
}

.detail-main {
    min-height: 120px;
}

.detail-list {
    list-style: none;
    margin-bottom: 30px;
    flex-grow: 1;
}

.detail-list li {
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
    font-size: 14px;
    font-weight: 500;
}

.detail-list li::before {
    content: "・";
    position: absolute;
    left: 0;
    color: var(--gold);
}

/* FAQ Accordion */
.faq-category {
    font-size: 22px;
    font-weight: 900;
    margin: 40px 0 20px;
    border-bottom: 2px solid var(--gold);
    display: inline-block;
}

.accordion {
    background: var(--white);
    border: 1px solid #eee;
    margin-bottom: 12px;
}

.accordion-header {
    padding: 25px 30px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-header::after {
    content: "＋";
    color: var(--gold);
}

.accordion.active .accordion-content {
    max-height: 1000px;
    padding: 0 30px 30px;
    border-top: 1px solid #eee;
    padding-top: 25px;
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: 0.5s ease;
    background: #fafafa;
}

.section-title {
    font-size: 32px;
    font-family: 'Noto Serif JP', serif;
    text-align: center;
    margin-bottom: 80px;
    border-bottom: 3px solid var(--gold-solid);
    display: inline-block;
    left: 50%;
    position: relative;
    transform: translateX(-50%);
    padding-bottom: 15px;
}


@media (max-width: 900px) {
    .section-title {
        font-size: 1.5rem;
    }

    .btn {
        font-size: 15px;
        padding: 18px 30px;
        min-width: 180px;
    }

    .video-caption {
        font-size: 17px;
    }

    .benefit-lead {
        font-size: 15px;
    }

    .detail-card h2 {
        font-size: 18px;
    }

    .faq-category {
        font-size: 19px;
    }

    .benefit-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

}