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

body {
    font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    color: #fff;
    background-color: #000;
    font-weight: 400;
    letter-spacing: 0.02em;
}

/* Header Styles */
.header {
    background-color: #fff;
    padding: 20px 0;
    position: relative;
    z-index: 100;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo img {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-item {
    text-decoration: none;
    color: #333;
    font-size: 16px;
    font-weight: 400;
    transition: color 0.3s ease;
    position: relative;
}

.nav-item:hover {
    color: #d4af37;
}

.nav-item.active {
    text-decoration: underline;
    text-underline-offset: 4px;
}

/* First View Styles */
.first-view {
    position: relative;
    width: 100%;
    height: 85vh;
    overflow: hidden;
}

.fv-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.fv-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.fv-slide.active {
    opacity: 1;
}

.fv-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.fv-cover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    pointer-events: none;
}

.fv-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Order Simulation Section */
.order-simulation {
    padding: 80px 0;
    background-color: #000;
}

.simulation-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.simulation-item {
    text-decoration: none;
    color: #fff;
    display: block;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    padding: 4px;
    background-color: #1a1a1a;
    border-radius: 8px;
}

.simulation-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('img/gold.jpg') center center;
    background-size: cover;
    border-radius: 8px;
    z-index: 0;
}

.simulation-item::after {
    content: '';
    position: absolute;
    top: 4px;
    left: 4px;
    right: 4px;
    bottom: 4px;
    background-color: #1a1a1a;
    border-radius: 6px;
    z-index: 1;
}

.simulation-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
}

.simulation-image {
    width: 100%;
    height: 400px;
    overflow: hidden;
    border-radius: 4px;
    margin-bottom: 20px;
    background-color: #1a1a1a;
    position: relative;
    z-index: 2;
}

.simulation-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.simulation-item:hover .simulation-image img {
    transform: scale(1.05);
}

.simulation-title {
    margin-bottom: 10px;
    font-size: 20px;
    font-weight: 500;
    text-align: center;
    color: #fff;
    padding: 0 10px;
    position: relative;
    z-index: 2;
}

/* Main Content Styles */
.main-content {
    min-height: 60vh;
    padding: 80px 0;
    background-color: #000;
}

.content-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 40px;
}

.page-title {
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    text-align: center;
    margin-bottom: 60px;
    letter-spacing: 0.05em;
}

/* Q&A Styles */
.qa-section {
    color: #fff;
}

.qa-item {
    margin-bottom: 40px;
}

.qa-question {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 500;
    line-height: 1.6;
}

.qa-number {
    color: #d4af37;
    font-weight: 700;
    flex-shrink: 0;
}

.qa-text {
    flex: 1;
}

.qa-answer {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 16px;
    line-height: 1.8;
    padding-left: 20px;
}

.qa-label {
    color: #d4af37;
    font-weight: 700;
    flex-shrink: 0;
}

.qa-content {
    flex: 1;
    color: #e0e0e0;
}

.qa-divider {
    text-align: center;
    color: #666;
    font-size: 24px;
    margin: 40px 0;
    letter-spacing: 0.2em;
}

/* Contact Form Styles */
.contact-form {
    max-width: 700px;
    margin: 0 auto;
}

.form-message {
    max-width: 700px;
    margin: 0 auto 30px;
    padding: 20px;
    border-radius: 4px;
    text-align: center;
}

.form-message.success {
    background-color: rgba(212, 175, 55, 0.1);
    border: 1px solid #d4af37;
    color: #d4af37;
}

.form-message.error {
    background-color: rgba(220, 53, 69, 0.1);
    border: 1px solid #dc3545;
    color: #dc3545;
}

.form-message p {
    margin: 0;
    line-height: 1.6;
}

.form-group {
    margin-bottom: 30px;
}

.form-label {
    display: block;
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 8px;
}

.required {
    color: #d4af37;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 16px;
    font-family: "Noto Sans JP", sans-serif;
    color: #fff;
    background-color: #1a1a1a;
    border: 1px solid #333;
    border-radius: 4px;
    transition: border-color 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: #d4af37;
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
}

.form-submit {
    text-align: center;
    margin-top: 40px;
}

.submit-button {
    padding: 14px 60px;
    font-size: 16px;
    font-weight: 500;
    font-family: "Noto Sans JP", sans-serif;
    color: #000;
    background-color: #d4af37;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.submit-button:hover {
    background-color: #c9a030;
    transform: translateY(-2px);
}

.submit-button:active {
    transform: translateY(0);
}

/* Terms of Service Styles */
.terms-content {
    color: #fff;
    line-height: 1.8;
    font-size: 16px;
}

.terms-content p {
    margin-bottom: 20px;
    color: #e0e0e0;
}

.terms-list {
    list-style: none;
    padding: 0;
    margin: 30px 0;
}

.terms-list li {
    font-size: 16px;
    color: #e0e0e0;
    margin-bottom: 20px;
}

/* Footer Styles */
.footer {
    background-color: #000;
    padding: 60px 0 40px;
    border-top: 1px solid #333;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.footer-menu {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.footer-item {
    text-decoration: none;
    color: #fff;
    font-size: 14px;
    font-weight: 400;
    transition: color 0.3s ease;
    position: relative;
}

.footer-item:hover {
    color: #d4af37;
}

.footer-item::after {
    content: '|';
    position: absolute;
    right: -20px;
    color: #666;
    pointer-events: none;
}

.footer-item:last-child::after {
    display: none;
}

/* Responsive */
@media (max-width: 768px) {
    .header-container {
        padding: 0 20px;
        flex-direction: column;
        gap: 20px;
    }

    .nav-menu {
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-item {
        font-size: 14px;
    }

    .first-view {
        height: 60vh;
    }

    .order-simulation {
        padding: 40px 0;
    }

    .simulation-container {
        padding: 0 20px;
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .simulation-image {
        height: 300px;
    }

    .simulation-title {
        font-size: 18px;
    }

    .footer {
        padding: 40px 0 30px;
    }

    .footer-container {
        padding: 0 20px;
    }

    .footer-menu {
        gap: 20px;
        flex-direction: column;
        align-items: center;
    }

    .footer-item::after {
        display: none;
    }

    .content-container {
        padding: 0 20px;
    }

    .page-title {
        font-size: 28px;
        margin-bottom: 40px;
    }

    .qa-question {
        font-size: 16px;
        flex-direction: column;
        gap: 8px;
    }

    .qa-answer {
        font-size: 14px;
        padding-left: 0;
        flex-direction: column;
        gap: 8px;
    }

    .qa-divider {
        margin: 30px 0;
    }

    .terms-content {
        font-size: 14px;
    }

    .terms-content p,
    .terms-list li {
        font-size: 14px;
    }

    .form-label {
        font-size: 14px;
    }

    .form-input,
    .form-textarea {
        font-size: 14px;
        padding: 10px 14px;
    }

    .submit-button {
        padding: 12px 50px;
        font-size: 14px;
    }
}