/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
    html {
      scroll-behavior: smooth;
    }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif "Noto Serif JP", serif;
    line-height: 1.6;
    color: #0f172a;
    background-color: #ffffff;
    font-weight: 700; /* 追加 */
}


.font-serif {
    font-family: "Noto Serif JP", serif;
    font-weight: 700; /* 追加 */
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

/* Colors */
:root {
    --gold: #d4af37;
    --gold-light: rgba(212, 175, 55, 0.24);
    --gold-hover: rgba(212, 175, 55, 0.9);
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 50;
    width: 100%;
    border-bottom: 1px solid #e2e8f0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    height: 4rem;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.wine-icon {
    height: 2rem;
    width: 2rem;
    color: var(--gold);
}


.logo-text {
    font-family: "Yu Mincho", "MS Mincho", serif;
    font-size: 1.125rem;
    font-weight: 900; /* bold → 700 */
}

.mobile-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mobile-purchase-btn {
    background-color: var(--gold);
    color: white;
    font-size: 0.75rem;
    padding: 0.5rem 0.75rem;
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.mobile-purchase-btn:hover {
    background-color: var(--gold-hover);
    transform: scale(1.05);
}

.mobile-menu-btn {
    display: flex;
    align-items: center;
    color: #374151;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-icon, .close-icon {
    height: 1.5rem;
    width: 1.5rem;
}

.desktop-nav {
    display: none;
    gap: 1.5rem;
    font-family: "Noto Serif JP", serif;
}

.desktop-nav a {
    font-size: 0.875rem;
    font-weight: 600; /* 500 → 600 */
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

.desktop-nav a:hover {
    color: var(--gold);
}

.desktop-purchase-btn {
    display: none;
    background-color: var(--gold);
    color: white;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.desktop-purchase-btn:hover {
    background-color: var(--gold-hover);
}

.mobile-menu {
    background-color: white;
    border-top: 1px solid #e5e7eb;
    padding: 1rem 0;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    font-family: "Noto Serif JP", serif;
}

.mobile-nav a {
    font-size: 0.875rem;
    font-weight: 600; /* 500 → 600 */
    text-decoration: none;
    color: inherit;
    padding: 0.5rem 1rem;
    transition: color 0.2s;
}

.mobile-nav a:hover {
    color: var(--gold);
}

button {
    font-weight: 700;
}


/* Hero Section */
.hero {
    position: relative;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0);
    z-index: 10;
}

.hero-video-container {
    position: relative;
    overflow: hidden;
}

.hero-video-desktop {
    display: none;
    width: 100%;
    height: 90vh;
    object-fit: cover;
}

.hero-video-mobile {
    width: 100%;
    max-height: 90vh;
    aspect-ratio: 1;
    object-fit: cover;
}

.hero-content {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 20;
}

.hero-content .container {
    text-align: center;
    color: white;
    padding: 0 1rem;
}

.hero-title {
    font-family: "Noto Serif JP", serif;
    font-size: 1.55rem;
    font-weight: 900; /* bold → 700 */
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing:0.5rem
}

.mobile-title span {
    display: block;
    font-size: 1.5rem;
    letter-spacing:0.5rem;
}

.desktop-title {
    display: none;
}

.hero-subtitle {
    font-family: "Noto Serif JP", serif;
    font-size: 1.1rem;
    font-weight: 500; /* 追加 */
    margin-bottom: 2rem;
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
    margin-top: 1rem;
}

.mobile-subtitle span {
    display: block;
    font-family: "Noto Serif JP", serif;
    font-size: 1.1rem;
}

.desktop-subtitle {
    display: none;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 0rem;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    z-index: 20;
}

.chevron-down {
    height: 2rem;
    width: 2rem;
    color: white;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0, 0, 0);
    }
    40%, 43% {
        transform: translate3d(0, -20px, 0);
    }
    70% {
        transform: translate3d(0, -10px, 0);
    }
    90% {
        transform: translate3d(0, -3px, 0);
    }
}

/* Expo Section */
.expo-section {
    padding: 3rem 0 5rem;
    position: relative;
    overflow: hidden;
}

.expo-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, var(--gold-light), rgba(212, 175, 55, 0.1));
}

.expo-decorations {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.05;
}

.expo-circle-1 {
    position: absolute;
    top: 2.5rem;
    left: 2.5rem;
    width: 10rem;
    height: 10rem;
    border-radius: 50%;
    background-color: var(--gold);
}

.expo-circle-2 {
    position: absolute;
    bottom: 2.5rem;
    right: 2.5rem;
    width: 15rem;
    height: 15rem;
    border-radius: 50%;
    background-color: var(--gold);
}

.expo-circle-3 {
    position: absolute;
    top: 50%;
    left: 33.333333%;
    width: 5rem;
    height: 5rem;
    border-radius: 50%;
    background-color: var(--gold);
}

.expo-header {
    max-width: 64rem;
    margin: 0 auto;
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
    z-index: 10;
}

.expo-badge {
    display: inline-block;
    padding: 0.3rem 1.5rem;
    background-color: var(--gold);
    border-radius: 9999px;
    color: white;
    font-weight: 600; /* 500 → 600 */
    font-size: 1rem;
    margin-bottom: 1rem;
}

.expo-title {
    font-family: "Noto Serif JP", serif;
    font-size: 1.5rem;
    font-weight: 900; /* bold → 700 */
    margin-bottom: 1rem;
}

.expo-title-highlight {
    display: block;
    margin-top: 0.5rem;
    color: var(--gold);
}

.expo-divider {
    width: 4rem;
    height: 0.25rem;
    background-color: var(--gold);
    margin: 1rem auto;
}

.expo-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    position: relative;
    z-index: 10;
}

.expo-image-container {
    width: 100%;
    position: relative;
}

.expo-image-border {
    position: absolute;
    top: -1rem;
    left: -1rem;
    width: 100%;
    height: 100%;
    border: 2px solid rgba(212, 175, 55, 0.2);
    border-radius: 0.5rem;
}

.expo-image {
    border-radius: 0.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    position: relative;
    z-index: 10;
    width: 100%;
}

.expo-image-decoration {
    position: absolute;
    bottom: -0.75rem;
    right: -0.75rem;
    width: 4rem;
    height: 4rem;
    background-color: var(--gold-light);
    border-radius: 50%;
}

.expo-text {
    width: 100%;
    margin-top: 2rem;
}

.expo-description {
    font-size: 1rem;
    font-weight: 500; /* 追加 */
    line-height: 1.75;
    margin-bottom: 1rem;
}

.expo-highlight {
    font-weight: 600; /* 500 → 600 */
}

.expo-subdescription {
    font-size: 0.875rem;
    font-weight: 500; /* 追加 */
    margin-bottom: 1rem;
}

/* Testimonial Section */
.testimonial-section {
    padding: 3rem 0 6rem;
    position: relative;
    overflow: hidden;
}

.testimonial-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, white, #f8fafc);
}

.testimonial-skew {
    position: absolute;
    top: 0;
    right: 0;
    width: 33.333333%;
    height: 100%;
    background-color: rgba(212, 175, 55, 0.05);
    transform: skewX(-12deg);
}

.testimonial-mobile {
    position: relative;
    z-index: 10;
}

.testimonial-desktop {
    display: none;
    position: relative;
    z-index: 10;
}

.testimonial-header {
    text-align: left;
    margin-bottom: 1.5rem;
}

.testimonial-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--gold-light);
    border-radius: 9999px;
    color: var(--gold);
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    text-align: left; /* 追加 */
}

.testimonial-title {
    font-family: "Noto Serif JP", serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--gold);
    text-align: left; /* 追加 */
}

.testimonial-divider {
    width: 3rem;
    height: 0.125rem;
    background-color: var(--gold);
    margin: 0 auto 1.5rem;
}

.testimonial-image-container {
    position: relative;
    margin-bottom: 1.5rem;
}

.testimonial-image-border {
    position: absolute;
    top: -1rem;
    right: -1rem;
    width: 100%;
    height: 100%;
    border: 2px solid rgba(212, 175, 55, 0.2);
    border-radius: 0.5rem;
}

.testimonial-image-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: 0.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.testimonial-image {
    width: 100%;
    object-fit: cover;
}

.testimonial-image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    padding: 1rem;
}

.testimonial-image-badge {
    display: flex;
    align-items: center;
    color: white;
}

.wine-icon-small {
    height: 1rem;
    width: 1rem;
    margin-right: 0.5rem;
    color: var(--gold);
}

.testimonial-image-badge span {
    font-size: 0.75rem;
    font-weight: 500;
}

.testimonial-image-decoration {
    position: absolute;
    bottom: -1rem;
    left: -1rem;
    width: 6rem;
    height: 6rem;
    background-color: var(--gold-light);
    border-radius: 50%;
}

.testimonial-author {
    margin-bottom: 1.5rem;
}

.testimonial-author-border {
    display: flex;
    align-items: center;
    border-left: 4px solid var(--gold);
    padding-left: 1rem;
    margin: 1rem 0;
}

.testimonial-author-info {
    font-family: "Noto Serif JP", serif;

}

.testimonial-author-name {
    font-size: 1.5rem;
    font-weight: 900; /* bold → 700 */
    font-family: "Noto Serif JP", serif;
}

.testimonial-author-title {
    font-size: 1.1rem;
    color: #536174;
    font-family: "Noto Serif JP", serif;
}

.testimonial-comment {
    font-size: 1rem;
    font-weight: 500; /* 追加 */
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.testimonial-button {
    background-color: var(--gold);
    color: white;
    font-size: 0.875rem;
    font-weight: 700;
    width: 100%;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: background-color 0.2s;
    text-decoration-line:none;
}

.testimonial-button:hover {
    background-color: var(--gold-hover);
}

.youtube-button {
    background-color: black;
    color: white;
    font-size: 1rem;
    width:100%;
    text-align: center;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.youtube-button:hover {
    transform: scale(1.05);
    background-color: var(--gold-hover);
}

.play-icon {
    height: 1rem;
    width: 1rem;
}





.chevron-right {
    height: 1rem;
    width: 1rem;
}

/* Features Section */
.features-section {
    padding: 3rem 0 4rem;
    background-color: white;
}

.features-header {
    text-align: center;
    margin-bottom: 2rem;
}

.features-title {
    font-family: "Noto Serif JP", serif;
    font-size: 1.5rem;
    font-weight: 700; /* bold → 700 */
    margin-bottom: 0.75rem;
}

.features-subtitle {
    font-size: 1rem;
    font-weight: 500; /* 追加 */
    color: #64748b;
    max-width: 32rem;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1rem;
}

.feature-icon {
    border-radius: 50%;
    background-color: var(--gold-light);
    padding: 0.75rem;
    margin-bottom: 0.75rem;
}

.feature-icon svg {
    height: 1.5rem;
    width: 1.5rem;
    color: var(--gold);
}

.feature-title {
    font-family: "Noto Serif JP", serif;
    font-size: 1.125rem;
    font-weight: 700; /* bold → 700 */
    margin-bottom: 0.5rem;
}

.feature-description {
    font-size: 0.875rem;
    font-weight: 500; /* 追加 */
    color: #64748b;
}

/* Offer Section */
.offer-section {
    margin-top:1rem;
    padding: 3rem 0 5rem;
    background-color: var(--gold-light);
}

.offer-content {
    max-width: 48rem;
    margin: 0 auto;
    text-align: center;
}

.offer-badge {
    display: inline-block;
    background-color: var(--gold);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    margin-bottom: 1rem;
    font-weight: 700; /* bold → 700 */
    font-size: 0.875rem;
}

.offer-title {
    font-family: "Noto Serif JP", serif;
    font-size: 1.5rem;
    font-weight: 700; /* bold → 700 */
    margin-bottom: 1rem;
}

.offer-description {
    font-size: 1rem;
    font-weight: 500; /* 追加 */
    margin-bottom: 1.5rem;
}

.offer-price-card {
    background-color: white;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
}

.offer-price {
    font-size: 1.5rem;
    font-weight: 700; /* bold → 700 */
    color: var(--gold);
    margin-bottom: 0.5rem;
}

.offer-price-note {
    font-size: 0.75rem;
    color: #64748b;
}

.offer-price-card-black {
    background-color: black;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
}

.offer-price-note-white {
    font-size: 0.85rem;
    color: white;
}

.offer-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
}

.offer-button-primary {
    background-color: var(--gold);
    color: white;
    font-size: 1rem;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.offer-button-primary:hover {
    background-color: var(--gold-hover);
}

.offer-button-secondary {
    background-color: white;
    color: inherit;
    font-size: 1rem;
    padding: 0.75rem 2rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.2s;
}

.offer-button-secondary:hover {
    background-color:transparent;
}

/* Detailed Features Section */
.detailed-features-section {
    padding: 3rem 0 5rem;
    background-color: #f8fafc;
}

.detailed-features-header {
    text-align: center;
    margin-bottom: 2rem;
}

.detailed-features-title {
    font-family: "Noto Serif JP", serif;
    font-size: 1.5rem;
    font-weight: 700; /* bold → 700 */
    margin-bottom: 0.75rem;
}

.detailed-features-subtitle {
    font-size: 1rem;
    font-weight: 500; /* 追加 */
    color: #64748b;
    max-width: 32rem;
    margin: 0 auto;
}

.detailed-feature {
    display: grid;
    gap: 2rem;
    align-items: center;
    margin-bottom: 3rem;
}

.detailed-feature-reverse {
    grid-template-columns: 1fr;
}

.detailed-feature-image {
    width: 100%;
}

.feature-image {
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    width: 100%;
}

.detailed-feature-title-mobile {
    font-family: "Noto Serif JP", serif;
    font-size: 1.25rem;
    font-weight: 700; /* bold → 700 */
    margin-top: 0.75rem;
    margin-bottom: 0.5rem;
}

.detailed-feature-title-desktop {
    display: none;
    font-family: "Noto Serif JP", serif;
    font-size: 1.25rem;
    font-weight: 700; /* bold → 700 */
    margin-bottom: 1rem;
}

.detailed-feature-content {
    margin-top: 0;
}

.detailed-feature-button {
    background-color: var(--gold);
    color: white;
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    transition: background-color 0.2s;
}

.detailed-feature-button:hover {
    background-color: var(--gold-hover);
}

/* Reviews Section */
.reviews-section {
    padding: 3rem 0 5rem;
    background-color: white;
}

.reviews-header {
    text-align: center;
    margin-bottom: 2rem;
}

.reviews-title {
    font-family: "Noto Serif JP", serif;
    font-size: 1.5rem;
    font-weight: 700; /* bold → 700 */
    margin-bottom: 0.75rem;
}

.reviews-subtitle {
    font-size: 1rem;
    font-weight: 500; /* 追加 */
    color: #64748b;
    max-width: 32rem;
    margin: 0 auto;
}

.tabs {
    width: 100%;
}

.tabs-list {
    display: grid;
    width: 100%;
    max-width: 20rem;
    margin: 0 auto;
    grid-template-columns: repeat(2, 1fr);
    background-color: #f1f5f9;
    border-radius: 0.375rem;
    padding: 0.25rem;
    margin-bottom: 1.5rem;
}

.tab-trigger {
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: 0.25rem;
    transition: all 0.2s;
}

.tab-trigger.active {
    background-color: white;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

.tab-content {
    margin-top: 1.5rem;
}

.tab-content:not(.active) {
    display: none;
}

/* Carousel Styles - 修正版 */
.carousel-container {
    position: relative;
    overflow: hidden;
}

.carousel {
    display: flex;
    transition: transform 0.3s ease-in-out;
    width: 100%;
}

.carousel-item {
    flex: 0 0 100%;
    padding: 0 0.5rem;
    box-sizing: border-box;
}

.review-card {
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    height: 100%;
    background-color: white;
    border-radius: 0.5rem;
    overflow: hidden;
}

.review-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.review-author-image {
    flex-shrink: 0;
    margin-bottom: 1rem;
}

.author-image {
    border-radius: 0.5rem;
    object-fit: cover;
    width: 10rem;
    height: 10rem;
    margin: 0 auto;
    display: block;
}

.review-text {
    flex: 1;
    text-align: center;
}

.review-author {
    margin-bottom: 1rem;
}

.author-name {
    font-family: "Noto Serif JP", serif;
    font-weight: 800; /* bold → 700 */
    font-size: 1.2rem;
}

.author-title {
    font-size: 0.75rem;
    color: #64748b;
}

.review-comment {
    font-style: italic;
    font-size: 0.75rem;
    font-weight: 500; /* 追加 */
    line-height: 1.75;
}

.user-review .review-content {
    text-align: center;
}

.user-review .review-comment {
    font-style: italic;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    font-weight: 500; /* 追加 */
    line-height: 1.75;
    text-align: left;
}
.review-author-name {
    display:none;
}

.carousel-navigation {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.carousel-btn {
    padding: 0.5rem;
    border-radius: 50%;
    background-color: var(--gold-light);
    border: none;
    cursor: pointer;
    transition: background-color 0.2s;
}

.carousel-btn:hover:not(:disabled) {
    background-color: rgba(212, 175, 55, 0.2);
}

.carousel-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.carousel-btn svg {
    height: 1.25rem;
    width: 1.25rem;
    color: var(--gold);
}

.carousel-dots {
    display: flex;
    gap: 0.5rem;
}

.carousel-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background-color: rgba(212, 175, 55, 0.3);
    border: none;
    cursor: pointer;
    transition: background-color 0.2s;
}

.carousel-dot.active {
    background-color: var(--gold);
}

.reviews-video-button {
    margin-top: 2rem;
    text-align: center;
}

.video-button {
    background-color: black;
    color: white;
    font-size: 0.875rem;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 9999px;
    cursor: pointer;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.video-button:hover {
    transform: scale(1.05);
    background-color: var(--gold-hover);
}

.youtube-button {
    background-color: black;
    color: white;
    font-size: 1rem;
    text-align: center;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.youtube-button:hover {
    transform: scale(1.05);
    background-color: var(--gold-hover);
}

.play-icon {
    height: 1rem;
    width: 1rem;
}

/* Final CTA Section */
.final-cta-section {
    padding: 3rem 0 5rem;
    background-color: black;
    color: white;
}

.final-cta-content {
    max-width: 48rem;
    margin: 0 auto;
    text-align: center;
}

.final-cta-title {
    font-family: "Noto Serif JP", serif;
    font-size: 1.5rem;
    font-weight: 700; /* bold → 700 */
    margin-bottom: 1rem;
}

.final-cta-description {
    font-size: 1rem;
    font-weight: 500; /* 追加 */
    margin-bottom: 1.5rem;
}

.final-cta-button {
    background-color: var(--gold);
    color: white;
    font-size: 1rem;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.final-cta-button:hover {
    background-color: var(--gold-hover);
}

.final-cta-note {
    margin-top: 1rem;
    font-size: 0.75rem;
    color: #9ca3af;
}

/* Footer Styles */
.bg-black {
    background-color: black;
}

.text-white {
    color: white;
}

.py-8 {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.px-4 {
    padding-left: 1rem;
    padding-right: 1rem;
}

.grid {
    display: grid;
}

.grid-cols-1 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
}

.gap-6 {
    gap: 1.5rem;
}

.font-serif {
    font-family: "Yu Mincho", "MS Mincho", serif;
}

.font-bold {
    font-weight: 700; /* bold → 700 */
}

.mb-3 {
    margin-bottom: 0.75rem;
}

.text-base {
    font-size: 1rem;
    font-weight: 500; /* 追加 */
}

.space-y-2 > * + * {
    margin-top: 0.5rem;
}

.text-sm {
    font-size: 0.875rem;
    font-weight: 500; /* 追加 */
}

.text-gray-400 {
    color: #9ca3af;
}

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

.flex {
    display: flex;
}

.gap-4 {
    gap: 1rem;
}

.border-t {
    border-top-width: 1px;
}

.border-gray-800 {
    border-color: #1f2937;
}

.mt-6 {
    margin-top: 1.5rem;
}

.pt-6 {
    padding-top: 1.5rem;
}

.text-center {
    text-align: center;
}

.text-xs {
    font-size: 0.75rem;
}

/* Responsive Design */
@media (min-width: 640px) {
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .chevron-down {
        height: 2.5rem;
        width: 2.5rem;
    }
    
    .expo-badge {
        font-size: 1.875rem;
    }
    
    .expo-title {
        font-size: 1.875rem;
    }
    
    .expo-divider {
        width: 5rem;
    }
    
    .expo-image-decoration {
        width: 6rem;
        height: 6rem;
    }
    
    .features-title {
        font-size: 1.875rem;
    }
    
    .features-subtitle {
        font-size: 1.125rem;
    }
    
    .features-grid {
        gap: 1.5rem;
    }
    
    .feature-item {
        padding: 0;
    }
    
    .feature-icon {
        padding: 1rem;
        margin-bottom: 1rem;
    }
    
    .feature-icon svg {
        height: 2rem;
        width: 2rem;
    }
    
    .feature-title {
        font-size: 1.25rem;
    }
    
    .feature-description {
        font-size: 1rem;
    }
    
    .offer-badge {
        font-size: 1rem;
    }
    
    .offer-title {
        font-size: 1.875rem;
    }
    
    .offer-description {
        font-size: 1.125rem;
    }
    
    .offer-price {
        font-size: 1.875rem;
    }
    
    .offer-price-note {
        font-size: 0.875rem;
    }
    
    .offer-buttons {
        flex-direction: row;
    }
    
    .offer-button-primary,
    .offer-button-secondary {
        font-size: 1.125rem;
        padding: 0.75rem 2rem;
    }
    
    .detailed-features-title {
        font-size: 1.875rem;
    }
    
    .detailed-features-subtitle {
        font-size: 1.125rem;
    }
    
    .detailed-feature-button {
        font-size: 1rem;
    }
    
    .reviews-title {
        font-size: 1.875rem;
    }
    
    .reviews-subtitle {
        font-size: 1.125rem;
    }
    
    .tabs-list {
        max-width: 24rem;
    }
    
    .tab-trigger {
        font-size: 1rem;
    }
    
    .video-button {
        font-size: 1.125rem;
        padding: 0.75rem 2rem;
    }
    
    .play-icon {
        height: 1.25rem;
        width: 1.25rem;
    }
    
    .final-cta-title {
        font-size: 1.875rem;
    }
    
    .final-cta-description {
        font-size: 1.125rem;
    }
    
    .final-cta-button {
        font-size: 1.125rem;
    }
    
    .final-cta-note {
        font-size: 0.875rem;
    }
    
    .grid-cols-1 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .gap-6 {
        gap: 2rem;
    }
    
    .mb-3 {
        margin-bottom: 1rem;
    }
    
    .text-base {
        font-size: 1.125rem;
    }
    
    .text-sm {
        font-size: 1rem;
    }
    
    .mt-6 {
        margin-top: 2rem;
    }
    
    .pt-6 {
        padding-top: 2rem;
    }
}

@media (min-width: 768px) {
    .mobile-controls {
        display: none;
    }
    
    .desktop-nav {
        display: flex;
    }
    
    .desktop-purchase-btn {
        display: flex;
    }
    
    .hero-video-desktop {
        display: block;
        height: 90vh;
    }
    
    .hero-video-mobile {
        display: none;
    }
    
    .mobile-title {
        display: none;
    }
    
    .desktop-title {
        display: block;
        font-size: 3.75rem;
    }
    
    .mobile-subtitle {
        display: none;
    }
    
    .desktop-subtitle {
        display: block;
        font-size: 1.875rem;
    }
    
    .expo-content {
        flex-direction: row;
        gap: 3rem;
    }
    
    .expo-image-container {
        width: 50%;
    }
    
    .expo-text {
        width: 50%;
        margin-top: 0;
    }
    
    .expo-description {
        font-size: 1.25rem;
    }
    
    .expo-subdescription {
        font-size: 1.125rem;
    }
    
    .testimonial-mobile {
        display: none;
    }
    
    .testimonial-desktop {
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 4rem;
    }
    
    .testimonial-content {
        display: flex;
        width: 100%;
    }
    
    .testimonial-text {
        width: 50%;
        padding-right: 1.5rem;
    }
    
    .testimonial-badge {
        font-size: 1.25rem;
    }
    
    .testimonial-title {
        font-size: 2.25rem;
    }
    
    .testimonial-divider {
        width: 4rem;
        margin: 0 0 2rem 0;
    }
    
    .testimonial-comment {
        font-size: 1.125rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-author-name {
        font-size: 1.5rem;
    }
    
    .testimonial-author-title {
        font-size: 1.25em;
    }
    
    .testimonial-button {
        font-size: 1rem;
        width: auto;
    }
    
    .testimonial-image-container {
        width: 50%;
        margin-bottom: 0;
    }
    
    .testimonial-image-decoration {
        width: 8rem;
        height: 8rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
    
    .detailed-feature {
        grid-template-columns: repeat(2, 1fr);
        gap: 3rem;
        margin-bottom: 5rem;
    }
    
    .detailed-feature-reverse .detailed-feature-content {
        order: 1;
    }
    
    .detailed-feature-reverse .detailed-feature-image {
        order: 2;
    }
    
    .detailed-feature-title-mobile {
        display: none;
    }
    
    .detailed-feature-title-desktop {
        display: block;
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .detailed-feature-content {
        margin-top: 0;
    }
    
    .detailed-feature-button {
        margin-top: 2rem;
    }
    
    /* Desktop carousel styles */
    .carousel-item {
        flex: 0 0 50%;
        padding: 0 1rem;
    }
    
    .review-content {
        display: flex;
        flex-direction: row;
        align-items: flex-start;
        gap: 1.5rem;
        text-align: left;
    }
    
    .review-author-image {
        margin-bottom: 0;
    }
    
    .author-image {
        width: 7.5rem;
        height: 7.5rem;
    }
    
    .review-text {
        text-align: left;
    }
    
    .author-name {
        font-size: 1.125rem;
    }
    
    .author-title {
        font-size: 0.875rem;
    }
    
    .review-comment {
        font-size: 0.875rem;
    }
    
    .user-review .review-content {
        flex-direction: column;
        text-align: center;
    }
    
    .user-review .review-comment {
        font-size: 1rem;
    }
    
    .review-author-name {
        font-size: 1rem;
    }
    
    .grid-cols-1 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .expo-title {
        font-size: 3rem;
    }
    
    .features-title {
        font-size: 2.25rem;
    }
    
    .offer-title {
        font-size: 2.25rem;
    }
    
    .detailed-features-title {
        font-size: 2.25rem;
    }
    
    .reviews-title {
        font-size: 2.25rem;
    }
    
    .final-cta-title {
        font-size: 2.25rem;
    }
}


/* Hero Section with Slideshow */
.hero {
  position: relative;
  height: 90vh;
  overflow: hidden;
}

.hero-slideshow {
  position: relative;
  width: 100%;
  height: 90vh;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 90vh;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.slide.active {
  opacity: 1;
}

.slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.4) 50%, rgba(0, 0, 0, 0.6) 100%);
  z-index: 10;
}

.slide-content {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
  text-align: center;
}

.slide-content .container {
  color: white;
  padding: 0 1rem;
}

.slide-title {
  font-family: "Yu Mincho", "MS Mincho", serif;
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  animation: slideInUp 1s ease-out;
}

.slide-title .highlight {
  color: var(--gold);
  display: block;
  margin-top: 0.5rem;
  font-size: 4rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.slide-subtitle {
  font-size: 1.5rem;
  font-weight: 500;
  opacity: 0.9;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
  animation: slideInUp 1s ease-out 0.3s both;
}


.slide-discount{
    color: white;
  font-size: 1.5rem;
  font-weight: 500;
  opacity: 0.9;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
  animation: slideInUp 1s ease-out 0.3s both;
}
.no-underline{
  text-decoration: none;
}


@media (max-width: 768px) {
 .slide-title {
   font-size: 1.8rem;
}
.slide-title .highlight {
   font-size: 2.5rem; 
}
.slide-subtitle {
  font-size: 1rem;
}
.slide-discount{
  font-size: 1rem;
}
}

/* Slideshow Navigation */
.slideshow-nav {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 1rem;
  z-index: 30;
}

.slide-dot {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.5);
  background-color: transparent;
  cursor: pointer;
  transition: all 0.3s ease;
}

.slide-dot.active {
  background-color: var(--gold);
  border-color: var(--gold);
  transform: scale(1.2);
}

.slide-dot:hover {
  border-color: rgba(255, 255, 255, 0.8);
}

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 5rem;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}