:root {
    --color-primary: #D4AF37;
    /* Gold */
    --color-primary-light: #F2E3B1;
    --color-primary-dark: #B4942A;
    --color-text-main: #333333;
    --color-text-light: #666666;
    --color-bg-light: #F9F9F9;
    --color-white: #FFFFFF;
    --color-accent: #CFA5A5;
    /* Dusty Pink - Optional Accent */

    --font-heading: 'Shippori Mincho', serif;
    --font-body: 'Noto Sans JP', sans-serif;
}

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

body {
    font-family: var(--font-body);
    color: var(--color-text-main);
    line-height: 1.6;
    background-color: var(--color-white);
}

.container {
    width: 100%;
    max-width: 1200px;
    /* PC layout width */
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* Header */
.header {
    height: 80px;
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-text-main);
    letter-spacing: 0.05em;
}

.nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
}

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

.btn-gold-outline {
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
}

.btn-gold-outline:hover {
    background-color: var(--color-primary);
    color: white;
}

/* First View */
.fv {
    position: relative;
    max-height: 800px;
    min-height: 600px;
    background-color: #F8F5F1;
    padding-top: 80px;
    display: flex;
    align-items: center;
}

.fv-content {
    z-index: 10;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: stretch;
}

.fv-text-box {
    width: 50%;
    padding-right: 20px;
    box-sizing: border-box;
    z-index: 20;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.fv-text-inner {
    position: relative;
    display: inline-block;
}

.fv-badge {
    top: -60px;
    left: -20px;    
    width: 100px;
    z-index: 30;
    animation: floating 3s ease-in-out infinite;
}

.fv-badge img {
    width: 100%;
    height: auto;
    display: block;
}

.fv-catch-sub {
    font-size: 1.2rem;
    color: var(--color-text-main);
    margin-bottom: 20px;
    font-weight: 500;
}

.fv-catch-main {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    line-height: 1.3;
    margin-bottom: 40px;
    color: var(--color-text-main);
    letter-spacing: 0.05em;
}

.woman {
    position: relative;
    display: flex;
    justify-content: center;
    width: 50%;
    z-index: 5;
    pointer-events: none;
    align-items: flex-end;
}

.woman img {
    width: 60%;
    height: auto;
    display: block;
    object-fit: contain;
    align-items: top;
}

@keyframes floating {
    0% { transform: translateY(0) rotate(-5deg);}
    50% { transform: translateY(-10px) rotate(-3deg);}
    100% { transform: translateY(0) rotate(-5deg);}
}

/* Mobile responsive adjustments */
@media (max-width: 1024px) {
    .woman {
        right: -100px;
        width: 65%;
        max-width: 500px;
    }

    .fv-text-box {
        max-width: 550px;
    }
}


.btn-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    color: white;
    font-size: 1.2rem;
    font-weight: 700;
    padding: 20px 60px;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.6);
}

/* Problem Section */
.problem {
    padding: 100px 0;
    background-color: var(--color-white);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section-title .en {
    font-family: var(--font-heading);
    font-size: 3rem;
    opacity: 0.1;
    line-height: 1;
    margin-bottom: -15px;
    /* Overlap effect */
}

.section-title .ja {
    font-size: 2rem;
    font-weight: 700;
    font-family: var(--font-heading);
}

.problem-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto 60px;
}

.problem-item {
    background-color: #FBFBFB;
    border: 1px solid #EAEAEA;
    padding: 30px;
    display: flex;
    align-items: center;
    gap: 20px;
    border-radius: 8px;
    transition: all 0.3s;
}

.problem-item:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
    border-color: var(--color-primary-light);
}

.check-icon {
    width: 40px;
    height: 40px;
    background-color: white;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.problem-text {
    font-size: 1.2rem;
    font-weight: 500;
}

.problem-text strong {
    background: linear-gradient(transparent 60%, rgba(212, 175, 55, 0.3) 60%);
}

.problem-summary {
    text-align: center;
    font-size: 2rem;
    font-family: var(--font-heading);
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid #eee;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.problem-summary strong {
    color: var(--color-primary-dark);
}

/* Responsive */
@media screen and (max-width: 768px) {
    .header .nav {
        display: none;
        /* Simplified for mockup */
    }

    .fv-content {
        flex-direction: column;
        height: auto;
        padding-top: 20px;
    }

    .woman {
        width: 100%;
        order: 1;        
        justify-content: center;
        align-items: flex-end;
        margin-top: 20px;
        margin-bottom: -20px;
    }

    .woman img {
        width: 80%;
        max-width: 350px;
    }

    .fv-text-box {
        width: 100%;
        order: 2;
        padding: 40px 20px;
        text-align: center;
    }

    .fv-text-inner {
        align-items: center;
        width: 100%;
    }

    .fv-badge {
        margin-left: 0;
        margin-bottom: 15px;
        width: 80px;
        animation: floating-sp 3s ease-in-out infinite;
    }

    .fv-catch-main {
        font-size: 2rem;
        margin-bottom: 30px;
    }
    
    .fv-catch-sub {
        font-size: 1rem;
        text-align: center;
    }

    @keyframes floating-sp {
        0% {transform: translateX(-50%) translateY(0) rotate(-5deg);}
        50% {transform: translateX(-50%) translateY(-10px) rotate(-3deg);}
        100% {transform: translateX(-50%) translateY(0) rotate(-5deg);}
    }

    .problem-list {
        grid-template-columns: 1fr;
    }

    .btn-cta {
        width: 100%;
        padding: 15px 20px;
        font-size: 1rem;
    }
}