:root {
    --main-color: #00B900;
    --light-text: rgba(255,255,255,0.9);
    --dark-text: #333;
    --default-shadow: 0 4px 10px rgba(0,0,0,0.3);
    --hover-shadow: 0 6px 15px rgba(0,0,0,0.4);
    --transition-duration: 0.3s;
}

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

body {
    font-family: 'Noto Sans JP', sans-serif;
    overflow-x: hidden;
    height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: #f5f5f5;
}

.container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
    position: relative;
}

.carousel-wrapper {
    flex: 1;
    position: relative;
    overflow: hidden;
    width: 100%;
    touch-action: pan-y;
    background-color: #f5f5f5;
}

.track {
    display: flex;
    height: 100%;
    width: 100%;
    transition: transform 0.5s ease;
    will-change: transform;
}

.slide {
    min-width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    user-select: none;
}

.image-box {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f5f5;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.carousel-img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    margin: auto;
}

.fallback-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #e0e0e0;
    color: #666;
    font-size: 16px;
}

.navigation {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 2;
    background: rgba(0,0,0,0.3);
    padding: 5px 10px;
    border-radius: 20px;
}

.nav-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all var(--transition-duration);
}

.nav-dot.active {
    background: white;
    width: 20px;
    border-radius: 5px;
}

.cta-section {
    width: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    padding-bottom: 15px;
    flex-shrink: 0;
}

.cta-container {
    padding: 25px 20px 10px;
    text-align: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.cta-button {
    display: inline-block;
    background: var(--main-color);
    color: white;
    padding: 15px 40px;
    border-radius: 50px;
    font-weight: 800;
    text-decoration: none;
    box-shadow: var(--default-shadow);
    transition: all var(--transition-duration);
    font-size: 18px;
    letter-spacing: 1px;
    margin-bottom: 8px;
    width: auto;
    max-width: 90%;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--hover-shadow);
}

footer {
    background: white;
    padding: 20px;
    text-align: center;
    box-shadow: 0 -1px 10px rgba(0,0,0,0.1);
    width: 100%;
    flex-shrink: 0;
}

.footer-links {
    margin-top: 15px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-link {
    color: var(--main-color);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition-duration);
}

.footer-link:hover {
    text-decoration: underline;
    color: #008000;
}

/* 响应式样式 */
@media (max-width: 768px) {
    .cta-container {
        padding: 20px 15px 8px;
    }
    .cta-button {
        padding: 12px 30px;
        font-size: 16px;
    }
    .navigation {
        top: 15px;
    }
    .slide:nth-child(1),
    .slide:nth-child(2),
    .slide:nth-child(3) {
        display: none;
    }
}

@media (max-width: 480px) {
    .cta-container {
        padding: 15px 10px 5px;
    }
    .cta-button {
        padding: 10px 25px;
        font-size: 15px;
    }
    .navigation {
        top: 10px;
    }
    .footer-link {
        font-size: 13px;
    }
}