@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700;900&display=swap');

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: #1e293b; /* slate-800 */
}

/* Custom Colors */
:root {
    --color-gold: #d4af37;
    --color-gold-hover: #b89628;
    --color-navy: #0f172a; /* slate-900 */
}

.text-gold { color: var(--color-gold); }
.bg-gold { background-color: var(--color-gold); }
.border-gold { border-color: var(--color-gold); }
.hover\:bg-gold:hover { background-color: var(--color-gold); }
.hover\:text-gold:hover { color: var(--color-gold); }
.hover\:border-gold:hover { border-color: var(--color-gold); }

/* Hero Section */
.hero-bg {
    background-image: linear-gradient(rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.7)), url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

/* Typography Details */
.section-title {
    position: relative;
    padding-bottom: 1rem;
    display: inline-block;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--color-gold);
    margin: 1rem auto 0;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

/* Process Step Flow Chart */
.step-item {
    position: relative;
    transition: all 0.3s ease;
}

.step-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Arrow for desktop view */
@media (min-width: 768px) {
    .step-item:not(:last-child)::after {
        content: '';
        position: absolute;
        top: 50%;
        right: -24px; 
        transform: translateY(-50%);
        width: 0; 
        height: 0; 
        border-top: 12px solid transparent;
        border-bottom: 12px solid transparent;
        border-left: 24px solid #cbd5e1; /* slate-300 */
        z-index: 10;
    }
}

/* Arrow for mobile view */
@media (max-width: 767px) {
    .step-item:not(:last-child)::after {
        content: '▼';
        display: block;
        text-align: center;
        color: #cbd5e1;
        font-size: 1.5rem;
        margin-top: 1rem;
        position: absolute;
        bottom: -2.5rem;
        left: 50%;
        transform: translateX(-50%);
    }
    .step-item {
        margin-bottom: 2rem;
    }
    .step-item:last-child {
        margin-bottom: 0;
    }
}

/* Synergy Diagram Details */
.synergy-arrow-down {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
    40% {transform: translateY(-10px);}
    60% {transform: translateY(-5px);}
}

/* Step Form Animation */
.form-step {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: #555;
}