/* リセットCSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 14px;
    line-height: 1.5;
    scroll-behavior: smooth; /* スムーススクロールを代用 */
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    color: #333;
    background-color: #ffffff;
}

img {
    max-width: 100%;
    height: auto;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

a {
    text-decoration: none;
    color: inherit;
}

/* 共通コンテナ */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* ヘッダー */
.header {
    width: 100%;
    background-color: #ffffff;
    border-bottom: 1px solid #e5e7eb;
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem;
}

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

.logo-container {
    display: flex;
    justify-content: flex-start;
}

.logo-mobile {
    height: 2rem;
    width: auto;
    display: block;
}

.logo-desktop {
    height: 2.5rem;
    width: auto;
    display: none;
}

.social-buttons {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.social-btn {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
    text-decoration: none;
}

.social-btn:hover {
    transform: scale(1.1);
}

.social-icon {
    width: 2rem;
    height: 2rem;
    object-fit: contain;
}

/* ヒーローセクション */
.hero-section {
    position: relative;
    min-height: 560px;
}

/* PC版背景画像 */
.hero-bg-desktop {
    display: none;
    position: absolute;
    inset: 0;
}

.hero-bg-container {
    position: absolute;
    inset: 0;
    display: flex;
    justify-content: center;
}

.hero-bg-container .hero-bg-img {
    max-width: 1280px;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}

/* モバイル版レイアウト */
.hero-mobile {
    display: block;
    position: relative;
    min-height: 100vh;
    background-color: #ffffff;
}

.hero-mobile-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
}

.hero-mobile-bg-img {
    width: 100%;
    height: auto;
    object-fit: contain;
    object-position: top;
}

.hero-mobile-content {
    position: relative;
    z-index: 10;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.hero-mobile-text {
    margin-top: 18rem;
    flex: 1;
}

.hero-card {
    background-color: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(4px);
    padding: 1.5rem;
    margin: 0 1rem;
    border-radius: 0.5rem;
}

.download-badge-container {
    display: flex;
    justify-content: center;
}

.download-badge {
    display: inline-block;
    background-color: #2563eb;
    padding: 1rem;
    border-radius: 9999px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.download-badge-text {
    font-weight: 900;
    color: #ffffff;
    font-size: 1rem;
    text-align: center;
    margin: 0;
}

.download-count {
    font-size: 1.25rem;
}

.catchphrase {
    margin-top: 1rem;
    text-align: center;
}

.catchphrase-text {
    font-size: 1.125rem;
    color: #374151;
    font-weight: 700;
    margin: 0;
}

.app-title-container {
    margin-top: 0.5rem;
    text-align: center;
}

.app-title-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.app-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.app-title {
    font-size: 2.25rem;
    font-weight: 900;
    color: #1f2937;
    margin: 0;
}

.description-container {
    margin-top: 1rem;
    text-align: center;
}

.description-title {
    font-size: 1.25rem;
    font-weight: 900;
    color: #1f2937;
    margin: 0 0 1rem 0;
}

.description-text {
    font-size: 1rem;
    color: #374151;
}

.description-text p {
    margin: 0;
}

.description-highlight {
    font-weight: 900;
    font-size: 1.125rem;
    margin-top: 0.75rem !important;
}

.download-buttons {
    padding-top: 2rem;
    padding-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    justify-content: center;
}

.download-link {
    display: block;
}

.download-btn-img {
    height: 4rem;
    width: auto;
}

.hero-phone-container {
    display: flex;
    justify-content: center;
    padding-bottom: 2rem;
    margin-top: 2rem;
}

.hero-phone-wrapper {
    position: relative;
}

.hero-phone {
    width: 20rem;
    max-width: none;
    position: relative;
    z-index: 10;
    filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.1));
}

.hero-phone-wrapper::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -10;
    filter: blur(48px);
    opacity: 0.2;
    background: linear-gradient(to bottom, transparent, rgba(156, 163, 175, 0.1), rgba(107, 114, 128, 0.2));
    border-radius: 0.5rem;
    transform: translateY(1rem) scale(0.95);
}

/* PC版レイアウト */
.hero-desktop {
    display: none;
}

.hero-desktop-container {
    position: relative;
    max-width: 1280px;
    margin: 0 auto;
    padding: 4rem 1rem 6rem 2rem;
    min-height: 560px;
    display: flex;
    align-items: center;
    overflow: visible;
}

.hero-desktop-content {
    width: 100%;
    overflow: visible;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-text {
    color: #1f2937;
    z-index: 10;
    text-align: left;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.hero-text-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.hero-badge-and-title {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hero-badge-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.hero-badge {
    display: inline-block;
    background-color: #2563eb;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    align-self: flex-start;
}

.hero-badge-text {
    font-weight: 900;
    color: #ffffff;
    font-size: 1rem;
    margin: 0;
    text-align: center;
}

.hero-badge-count {
    font-size: 1.25rem;
}

.hero-main-title {
    font-weight: 900;
    line-height: 1.2;
    color: #1f2937;
    margin: 0;
}

.hero-subtitle {
    font-size: 1rem;
    line-height: 1.4;
    margin-bottom: 0.5rem;
}

.hero-title-with-icon {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.hero-app-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.hero-title-text {
    font-size: 2.25rem;
    white-space: nowrap;
}

.hero-description {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hero-description-title {
    font-size: 1.125rem;
    font-weight: 900;
    color: #1f2937;
    margin: 0;
}

.hero-description-text {
    font-size: 0.875rem;
    line-height: 1.6;
    color: #1f2937;
}

.hero-description-text p {
    margin: 0;
}

.hero-highlight {
    font-weight: 900;
    color: #1f2937;
    font-size: 1.125rem;
}

.hero-download-buttons {
    padding-top: 1rem;
    display: flex;
    flex-direction: row;
    gap: 1rem;
    align-items: center;
    justify-content: flex-start;
}

.hero-download-link {
    display: block;
}

.hero-download-qr {
    height: 7rem;
    width: auto;
    display: none;
}

.hero-download-normal {
    height: 4rem;
    width: auto;
    display: block;
}

.hero-phone-desktop {
    display: flex;
    justify-content: center;
    align-items: end;
    overflow: visible;
}

.hero-phone-desktop-wrapper {
    position: relative;
    margin-bottom: -5rem;
    overflow: visible;
}

.hero-phone-desktop-img {
    width: 18rem;
    max-width: none;
    position: relative;
    z-index: 10;
    filter: drop-shadow(0 25px 50px rgba(0, 0, 0, 0.15));
}

.hero-phone-desktop-wrapper::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -10;
    filter: blur(48px);
    opacity: 0.3;
    background: linear-gradient(to bottom, transparent, rgba(156, 163, 175, 0.2), rgba(107, 114, 128, 0.4));
    border-radius: 0.5rem;
    transform: translateY(1.5rem);
}

/* 下部装飾 */
.hero-bottom-decoration {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 8px;
    background-color: #ffffff;
}

/* 3つの特徴セクション */
.features-section {
    padding: 4rem 0 5rem 0;
    background-color: #ffffff;
}

.features-header {
    text-align: center;
    margin-bottom: 4rem;
}

.features-title {
    font-size: 2.25rem;
    font-weight: 900;
    color: #1f2937;
    margin-bottom: 1.5rem;
}

.features-title-mobile {
    display: block;
}

.features-title-desktop {
    display: none;
}

.features-description {
    font-size: 1.125rem;
    color: #374151;
    max-width: 48rem;
    margin: 0 auto;
}

.features-description-mobile {
    display: block;
}

.features-description-desktop {
    display: none;
}

.features-highlight {
    font-weight: 900;
    color: #2563eb;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.feature-item {
    padding-top: 2rem;
}

.feature-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
}

.feature-content-reverse .feature-text {
    order: 1;
}

.feature-content-reverse .feature-image-left {
    order: 2;
}

.feature-text {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-title {
    font-size: 1.875rem;
    font-weight: 900;
    color: #1f2937;
    margin: 0;
}

.feature-description {
    font-size: 1rem;
    line-height: 1.6;
    color: #374151;
    margin: 0;
}

.feature-badge {
    background-color: #eff6ff;
    padding: 1.5rem;
    border-radius: 0.5rem;
}

.feature-badge-content {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.feature-badge-dot {
    width: 0.5rem;
    height: 0.5rem;
    background-color: #2563eb;
    margin-top: 0.5rem;
    flex-shrink: 0;
}

.feature-badge-text {
    min-width: 0;
    flex: 1;
}

.feature-badge-title {
    font-size: 1rem;
    font-weight: 900;
    color: #2563eb;
    margin-bottom: 0.75rem;
    word-wrap: break-word;
}

.feature-badge-description {
    font-size: 1rem;
    color: #374151;
    line-height: 1.6;
    word-wrap: break-word;
    margin: 0;
}

.feature-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-img {
    width: 100%;
    max-width: none;
    height: auto;
}

/* カテゴリ・カルーセルセクション */
.categories-section {
    padding: 2rem 0 2.5rem 0;
    background: linear-gradient(135deg, #eff6ff 0%, #ffffff 50%, #dbeafe 100%);
}

.categories-header {
    text-align: center;
    margin-bottom: 4rem;
}

.categories-title {
    font-size: 2.25rem;
    font-weight: 900;
    color: #1f2937;
    margin-bottom: 1.5rem;
}

.categories-description {
    font-size: 1.125rem;
    color: #374151;
    max-width: 48rem;
    margin: 0 auto;
}

/* カルーセル */
.carousel-container {
    position: relative;
    max-width: 1024px;
    margin: 0 auto 5rem auto;
    padding: 0 0.5rem;
}

.carousel-wrapper {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 0.5rem;
}

.carousel-slides {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.carousel-slide {
    width: 100%;
    flex-shrink: 0;
}

.carousel-slide-content {
    position: relative;
    height: 400px;
    width: 100%;
    overflow: hidden;
    border-radius: 0.5rem;
}



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

.carousel-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 1rem;
}

/* スライド1 - 下寄せ、左寄せ */
.carousel-slide:nth-child(1) .carousel-overlay {
    align-items: flex-end;
    justify-content: flex-start;
}

/* スライド2 - 中央縦寄せ、左寄せ */
.carousel-slide:nth-child(2) .carousel-overlay {
    align-items: center;
    justify-content: flex-start;
}

/* スライド3 - 中央縦寄せ、右寄せ（タブレット以上） */
.carousel-slide:nth-child(3) .carousel-overlay {
    align-items: center;
    justify-content: flex-start; /* スマホ版では左寄せ */
}

/* タブレット以上では3枚目を右寄せ */
@media (min-width: 640px) {
    .carousel-slide:nth-child(3) .carousel-overlay {
        justify-content: flex-end;
    }
}

.carousel-text {
    background-color: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(4px);
    padding: 2rem;
    border-radius: 0.5rem;
    max-width: 32rem;
    color: #1f2937;
}

/* スライド1 - 白背景、最大幅小さめ */
.carousel-slide:nth-child(1) .carousel-text {
    background-color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(4px);
    color: #1f2937;
    max-width: 28rem;
    width: auto;
}

/* スライド2 - 白背景、最大幅中くらい */
.carousel-slide:nth-child(2) .carousel-text {
    background-color: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(4px);
    color: #1f2937;
    max-width: 32rem;
    width: 100%;
}

/* スライド3 - 白背景、最大幅中くらい */
.carousel-slide:nth-child(3) .carousel-text {
    background-color: rgba(255, 255, 255, 0.6) !important;
    backdrop-filter: blur(4px);
    color: #1f2937 !important;
    max-width: 32rem; /* スマホ版では他と同じ幅 */
    width: 100%; /* スマホ版では左右いっぱい */
    margin-left: 0; /* スマホ版では左端から */
}

/* タブレット以上では3枚目を右寄せレイアウト */
@media (min-width: 640px) {
    .carousel-slide:nth-child(3) .carousel-text {
        max-width: 28rem;
        width: 66.666667%;
        margin-left: auto;
    }
}

/* スライド3の全テキスト要素を確実にダークグレーに */
.carousel-slide:nth-child(3) .carousel-text * {
    color: #1f2937 !important;
}

.carousel-slide:nth-child(3) .carousel-description {
    color: #374151 !important;
}



.carousel-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.carousel-icon {
    width: 3rem;
    height: 3rem;
    background-color: #ffffff;
    color: #2563eb;
    padding: 0.75rem;
    border-radius: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-icon-img {
    width: 2rem;
    height: 2rem;
}

.carousel-title-container {
    display: flex;
    flex-direction: column;
}

.carousel-title {
    font-size: 1.5rem;
    font-weight: 900;
    color: #1f2937;
    margin: 0;
}

/* スライド1 - 統一タイトルサイズ */
.carousel-slide:nth-child(1) .carousel-title {
    font-size: 1.5rem;
}

/* スライド2 - 統一タイトルサイズ */
.carousel-slide:nth-child(2) .carousel-title {
    font-size: 1.5rem;
}

/* スライド3 - 統一タイトルサイズ */
.carousel-slide:nth-child(3) .carousel-title {
    font-size: 1.5rem;
}

.carousel-subtitle {
    font-size: 1rem;
    font-weight: 500;
    color: #374151;
    margin: 0;
}

/* スライド1 - 統一サブタイトルサイズ */
.carousel-slide:nth-child(1) .carousel-subtitle {
    font-size: 1rem;
}

/* スライド2 - 統一サブタイトルサイズ */
.carousel-slide:nth-child(2) .carousel-subtitle {
    font-size: 1rem;
}

/* スライド3 - 統一サブタイトルサイズ */
.carousel-slide:nth-child(3) .carousel-subtitle {
    font-size: 1rem;
}

.carousel-description {
    font-size: 1rem;
    line-height: 1.6;
    color: #374151;
    margin: 0;
}

/* スライド1 - 小さめの説明 */
.carousel-slide:nth-child(1) .carousel-description {
    font-size: 0.875rem;
}

/* スライド2 - 中くらいの説明 */
.carousel-slide:nth-child(2) .carousel-description {
    font-size: 0.875rem;
}

/* スライド3 - 中くらいの説明 */
.carousel-slide:nth-child(3) .carousel-description {
    font-size: 0.875rem;
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 3rem;
    height: 3rem;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    transition: all 0.2s ease;
}

.carousel-arrow:hover {
    background-color: #ffffff;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.carousel-arrow-prev {
    left: 1rem;
}

.carousel-arrow-next {
    right: 1rem;
}

.carousel-dots {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.75rem;
    z-index: 10;
}

.carousel-dot {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    transition: all 0.2s ease;
    cursor: pointer;
}

.carousel-dot.active {
    background-color: #2563eb;
    transform: scale(1.25);
}

.carousel-dot:not(.active) {
    background-color: rgba(255, 255, 255, 0.6);
}

.carousel-dot:not(.active):hover {
    background-color: rgba(255, 255, 255, 0.8);
}

/* カテゴリ一覧 */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.category-item {
    padding: 1.5rem;
    text-align: center;
    border-radius: 0.5rem;
}

.category-item-odd {
    background-color: #dbeafe;
}

.category-item-even {
    background-color: #ffffff;
    border: 1px solid #e5e7eb;
}

.category-icon-container {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.75rem auto;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

.category-icon-odd {
    background-color: #ffffff;
}

.category-icon-even {
    background-color: #dbeafe;
}

.category-icon {
    width: 1.5rem;
    height: 1.5rem;
    opacity: 0.8;
}

.category-name {
    font-weight: 900;
    font-size: 1rem;
    line-height: 1.2;
    color: #1f2937;
    margin: 0;
}

/* AI特別セクション */
.ai-section {
    padding: 4rem 0 5rem 0;
    background-color: #ffffff;
}

.ai-header {
    text-align: center;
    margin-bottom: 4rem;
}

.ai-title-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.ai-icon {
    width: 4rem;
    height: 4rem;
    object-fit: contain;
}

.ai-title {
    font-size: 2.25rem;
    font-weight: 900;
    color: #1f2937;
    margin: 0;
}

.ai-description {
    font-size: 1.125rem;
    color: #374151;
    max-width: 48rem;
    margin: 0 auto;
}

.ai-highlight {
    font-weight: 900;
    color: #2563eb;
}

.ai-features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 4rem;
}

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

.ai-feature-icon {
    width: 8rem;
    height: 8rem;
    background-color: #2563eb;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem auto;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.ai-feature-icon-img {
    width: 3rem;
    height: 3rem;
}

.ai-feature-title {
    font-size: 1.25rem;
    font-weight: 900;
    color: #1f2937;
    margin-bottom: 0.75rem;
}

.ai-feature-description {
    color: #374151;
    line-height: 1.6;
    margin: 0;
}

.ai-samples-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.ai-sample {
    background-color: #ffffff;
    padding: 2rem;
    border: 1px solid #e5e7eb;
    height: 100%;
    border-radius: 0.5rem;
}

.ai-sample-category {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.ai-sample-category-badge {
    background-color: #2563eb;
    color: #ffffff;
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 900;
    border-radius: 0.25rem;
}

.ai-sample-question {
    background-color: #f9fafb;
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid #9ca3af;
    border-radius: 0.25rem;
}

.ai-sample-question-text {
    font-weight: 900;
    color: #1f2937;
    line-height: 1.2;
    margin: 0;
}

.ai-sample-answer {
    margin-bottom: 1.5rem;
}

.ai-sample-answer-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.ai-sample-answer-icon {
    width: 2rem;
    height: 2rem;
    background: linear-gradient(to right, #3b82f6, #1d4ed8);
    border-radius: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-answer-icon {
    width: 1rem;
    height: 1rem;
}

.ai-sample-answer-label {
    font-weight: 900;
    color: #1f2937;
}

.ai-sample-answer-text {
    font-size: 1rem;
    color: #374151;
    line-height: 1.6;
    white-space: pre-line;
    border-left: 4px solid #2563eb;
    padding-left: 1rem;
    background-color: rgba(239, 246, 255, 0.5);
    padding: 1rem;
    border-radius: 0.25rem;
    margin: 0;
}

/* セキュリティ・プライバシーセクション */
.security-section {
    padding: 4rem 0 5rem 0;
    background-color: #111827;
    color: #ffffff;
}

.security-header {
    text-align: center;
    margin-bottom: 4rem;
}

.security-title {
    font-size: 2.25rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    color: #ffffff;
}

.security-description {
    font-size: 1.125rem;
    color: #d1d5db;
    max-width: 48rem;
    margin: 0 auto;
}

.security-highlight {
    font-weight: 900;
    color: #60a5fa;
}

.security-features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.security-feature {
    background-color: #1f2937;
    padding: 2rem;
    text-align: center;
    border-top: 4px solid #ffffff;
    border-radius: 0.5rem;
}

.security-feature-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.security-feature-icon {
    background-color: #374151;
    padding: 1rem;
    color: #ffffff;
    border-radius: 0.5rem;
}

.security-icon {
    width: 2rem;
    height: 2rem;
}

.security-feature-text {
    display: flex;
    flex-direction: column;
}

.security-feature-title {
    font-size: 1.25rem;
    font-weight: 900;
    margin-bottom: 0.75rem;
}

.security-feature-description {
    color: #d1d5db;
    line-height: 1.6;
    margin: 0;
}

.security-footer {
    text-align: center;
    margin-top: 4rem;
}

.security-footer-text {
    color: #9ca3af;
    margin-bottom: 1rem;
}

.security-footer-link {
    color: #60a5fa;
    text-decoration: underline;
    font-weight: 900;
}

/* レビュー・実績セクション */
.reviews-section {
    padding: 2rem 0 3rem 0;
    background-color: #ffffff;
}

.reviews-header {
    text-align: center;
    margin-bottom: 4rem;
}

.reviews-title {
    font-size: 2.25rem;
    font-weight: 900;
    color: #1f2937;
    margin-bottom: 1.5rem;
}

.reviews-description {
    font-size: 1.125rem;
    color: #374151;
    max-width: 48rem;
    margin: 0 auto;
}

.stats-container {
    margin-bottom: 4rem;
}

.stats-container > div {
    background-color: #eff6ff;
    padding: 2rem;
    border-radius: 0.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.stat-item {
    background-color: #ffffff;
    padding: 2rem;
    text-align: center;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
}

.stat-value {
    font-size: 2.25rem;
    font-weight: 900;
    color: #2563eb;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.125rem;
    font-weight: 900;
    color: #1f2937;
    margin-bottom: 0.25rem;
}

.stat-description {
    font-size: 0.875rem;
    color: #6b7280;
}

.stat-period {
    font-size: 0.875rem;
    color: #9ca3af;
    margin-top: 0.25rem;
}

.reviews-content {
    /* padding: 0; */
}

.reviews-rating-header {
    text-align: center;
    margin-bottom: 3rem;
}

.reviews-rating-title {
    font-size: 1.875rem;
    font-weight: 900;
    color: #1f2937;
    margin-bottom: 1rem;
}

.reviews-rating {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.reviews-stars {
    display: flex;
    gap: 0.25rem;
}

.star {
    width: 1.5rem;
    height: 1.5rem;
    color: #fbbf24;
}

.reviews-score {
    font-size: 1.25rem;
    font-weight: 900;
    color: #1f2937;
    margin-left: 0.5rem;
}

.reviews-score-max {
    color: #6b7280;
}

.reviews-source {
    color: #6b7280;
}

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.review-item {
    background-color: #ffffff;
    padding: 2rem;
    border: 1px solid #e5e7eb;
    position: relative;
    border-radius: 0.5rem;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.review-quote {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 1.5rem;
    height: 1.5rem;
    color: rgba(37, 99, 235, 0.3);
}

.review-stars {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

.review-star {
    width: 1rem;
    height: 1rem;
    color: #fbbf24;
}

.review-text {
    color: #374151;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex: 1;
}

.review-author {
    display: flex;
    align-items: center;
    margin-top: auto;
    font-size: 0.875rem;
    font-weight: 900;
    color: #1f2937;
}

/* ダウンロードセクション */
.download-section {
    position: relative;
    padding: 5rem 0 7rem 0;
    overflow: hidden;
}

.download-bg {
    position: absolute;
    inset: 0;
}

.download-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.download-content {
    position: relative;
    max-width: 64rem;
    margin: 0 auto;
    padding: 0 1rem;
    text-align: center;
    z-index: 10;
}

.download-card {
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(4px);
    padding: 3rem 2rem 4rem 2rem;
    border-radius: 0.5rem;
}

.download-text {
    color: #000000;
}

.download-title {
    font-size: 2.25rem;
    font-weight: 900;
    line-height: 1.2;
    color: #1f2937;
    margin: 0 0 1.5rem 0;
}

.download-subtitle {
    font-size: 1.5rem;
    font-weight: 900;
    color: #1f2937;
    margin: 0 0 1.5rem 0;
}

.download-description {
    font-size: 1.25rem;
    color: #374151;
    max-width: 48rem;
    margin: 0 auto 2rem auto;
    line-height: 1.6;
}

.download-highlight {
    font-weight: 900;
    color: #1f2937;
}

.download-buttons-final {
    padding-top: 2rem;
    display: flex;
    justify-content: center;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.download-final-link {
    display: block;
}

.download-final-qr {
    height: 7rem;
    width: auto;
    display: none;
}

.download-final-normal {
    height: 4rem;
    width: auto;
    display: block;
}

/* SNSシェアセクション */
.social-share-section {
    padding: 3rem 0;
    background-color: #ffffff;
}

.social-share-container {
    max-width: 64rem;
    margin: 0 auto;
    padding: 0 1rem;
}

.social-share-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

.social-share-btn {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
    text-decoration: none;
}

.social-share-btn:hover {
    transform: scale(1.1);
}

.social-share-icon {
    width: 3rem;
    height: 3rem;
    object-fit: contain;
}

/* 免責事項セクション */
.disclaimer-section {
    padding: 3rem 0;
    background-color: #ffffff;
    border-top: 1px solid rgba(147, 51, 234, 0.2);
}

.disclaimer-container {
    max-width: 96rem;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: center;
}

.disclaimer-text {
    text-align: left;
    font-size: 1rem;
    color: #6b7280;
    line-height: 1.5;
}

.disclaimer-text p {
    margin: 0;
}

/* フッター */
.footer {
    background-color: #f3f4f6;
    color: #1f2937;
}

.footer-container {
    max-width: 96rem;
    margin: 0 auto;
    padding: 0 1rem;
}

.footer-content {
    padding: 3rem 0;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0;
    font-size: 1rem;
}

.footer-links > * {
    display: flex;
    align-items: center;
}

.footer-link {
    transition: color 0.2s ease;
    padding: 0 1.5rem;
}

.footer-link:hover {
    color: #2563eb;
}

.footer-separator {
    color: #9ca3af;
    margin: 0;
}

.footer-copyright {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.875rem;
    color: #6b7280;
}

/* レスポンシブデザイン */
@media (min-width: 640px) {
    .container {
        padding: 0 1.5rem;
    }

    .header-container {
        padding: 1rem 1.5rem 1rem 2rem;
    }

    .social-buttons {
        gap: 1.25rem;
    }

    .social-btn {
        width: 2.5rem;
        height: 2.5rem;
    }

    .social-icon {
        width: 2.5rem;
        height: 2.5rem;
    }

    .download-buttons {
        flex-direction: row;
    }

    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .ai-features-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .security-features-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .ai-samples-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .download-buttons-final {
        flex-direction: row;
    }

    .social-share-buttons {
        gap: 2rem;
    }

    .social-share-btn {
        width: 4rem;
        height: 4rem;
    }

    .social-share-icon {
        width: 4rem;
        height: 4rem;
    }

    .carousel-overlay {
        padding: 2rem;
    }

    /* タブレット以上でのスライド1パディング調整 */
    .carousel-slide:nth-child(1) .carousel-overlay {
        padding: 3rem;
    }

    /* タブレット以上でのスライド2,3パディング調整 */
    .carousel-slide:nth-child(2) .carousel-overlay,
    .carousel-slide:nth-child(3) .carousel-overlay {
        padding: 2rem 3rem;
    }

    /* タブレット以上でのタイトルサイズ統一 */
    .carousel-slide:nth-child(1) .carousel-title {
        font-size: 1.875rem;
    }

    .carousel-slide:nth-child(2) .carousel-title {
        font-size: 1.875rem;
    }

    .carousel-slide:nth-child(3) .carousel-title {
        font-size: 1.875rem;
    }

    .carousel-slide:nth-child(1) .carousel-subtitle,
    .carousel-slide:nth-child(2) .carousel-subtitle,
    .carousel-slide:nth-child(3) .carousel-subtitle {
        font-size: 1.125rem;
    }

    .carousel-slide:nth-child(1) .carousel-description,
    .carousel-slide:nth-child(2) .carousel-description,
    .carousel-slide:nth-child(3) .carousel-description {
        font-size: 1rem;
    }

    /* タブレット以上でのスライド3テキストボックス調整 */
    .carousel-slide:nth-child(3) .carousel-text {
        max-width: 32rem;
        width: 50%;
    }
    

}

@media (min-width: 768px) {
    .logo-mobile {
        display: none;
    }

    .logo-desktop {
        display: block;
        height: 2.5rem;
    }

    .hero-section {
        min-height: 640px;
    }

    .features-title-mobile {
        display: none;
    }

    .features-title-desktop {
        display: block;
    }

    .features-description-mobile {
        display: none;
    }

    .features-description-desktop {
        display: block;
    }

    .features-title {
        font-size: 2.5rem;
    }

    .features-description {
        font-size: 1.25rem;
    }

    .feature-content {
        grid-template-columns: 3fr 2fr;
        gap: 3rem;
    }

    .feature-content-reverse {
        grid-template-columns: 2fr 3fr;
    }

    .feature-title {
        font-size: 2.25rem;
    }

    .feature-description {
        font-size: 1rem;
    }

    .feature-badge-title {
        font-size: 1.125rem;
    }

    .feature-badge-description {
        font-size: 1rem;
    }

    .categories-title {
        font-size: 2.5rem;
    }

    .categories-description {
        font-size: 1.25rem;
    }

    .carousel-slide-content {
        height: 480px;
    }

    .ai-title {
        font-size: 2.5rem;
    }

    .ai-description {
        font-size: 1.25rem;
    }

    .security-title {
        font-size: 2.5rem;
    }

    .security-description {
        font-size: 1.25rem;
    }

    .reviews-title {
        font-size: 2.5rem;
    }

    .reviews-description {
        font-size: 1.25rem;
    }

    .download-title {
        font-size: 3rem;
    }

    .download-subtitle {
        font-size: 1.875rem;
    }

    .download-description {
        font-size: 1.5rem;
    }

    .download-card {
        padding: 3rem 4rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }

    .hero-section {
        min-height: 640px;
    }

    .hero-mobile {
        display: none;
    }

    .hero-bg-desktop {
        display: block;
    }

    .hero-desktop {
        display: block;
    }

    .hero-desktop-container {
        padding: 4rem 2rem 6rem 2rem;
    }

    .hero-phone-desktop {
        justify-content: end;
        align-items: end;
    }

    .hero-phone-desktop-wrapper {
        margin-bottom: -5rem;
    }

    .hero-phone-desktop-img {
        width: 18rem;
    }

    .hero-download-qr {
        display: block;
    }

    .hero-download-normal {
        display: none;
    }

    .logo-desktop {
        height: 3rem;
    }

    .features-title {
        font-size: 3rem;
    }

    .feature-title {
        font-size: 2.5rem;
    }

    .feature-description {
        font-size: 1.125rem;
    }

    /* PC版では2番目の特徴の順序を逆転 */
    .feature-content-reverse .feature-text {
        order: 2;
    }

    .feature-content-reverse .feature-image-left {
        order: 1;
    }

    .categories-title {
        font-size: 3rem;
    }

    .categories-grid {
        grid-template-columns: repeat(6, 1fr);
    }

    .ai-title {
        font-size: 3rem;
    }

    .security-title {
        font-size: 3rem;
    }

    .reviews-title {
        font-size: 3rem;
    }

    .download-title {
        font-size: 3.75rem;
    }

    .download-subtitle {
        font-size: 2.25rem;
    }

    .download-final-qr {
        display: block;
    }

    .download-final-normal {
        display: none;
    }

    .hero-download-buttons {
        flex-direction: row;
    }
}

@media (min-width: 1280px) {
    .hero-badge-count {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .hero-app-icon {
        width: 4rem;
        height: 4rem;
    }

    .hero-title-text {
        font-size: 3rem;
    }

    .hero-description-title {
        font-size: 1.5rem;
    }

    .hero-description-text {
        font-size: 1rem;
    }

    .hero-highlight {
        font-size: 1.25rem;
    }

    .hero-phone-desktop-wrapper {
        margin-bottom: -8rem;
    }

    .hero-phone-desktop-img {
        width: 24rem;
    }

    /* PC版でのカルーセルタイトルサイズ統一 */
    .carousel-slide:nth-child(1) .carousel-title {
        font-size: 2.25rem;
    }

    .carousel-slide:nth-child(2) .carousel-title {
        font-size: 2.25rem;
    }

    .carousel-slide:nth-child(3) .carousel-title {
        font-size: 2.25rem;
    }

    .carousel-slide:nth-child(1) .carousel-subtitle,
    .carousel-slide:nth-child(2) .carousel-subtitle,
    .carousel-slide:nth-child(3) .carousel-subtitle {
        font-size: 1.25rem;
    }

    .carousel-slide:nth-child(1) .carousel-description,
    .carousel-slide:nth-child(2) .carousel-description,
    .carousel-slide:nth-child(3) .carousel-description {
        font-size: 1.125rem;
    }

    /* PC版でのスライド別パディング調整 */
    .carousel-slide:nth-child(1) .carousel-overlay {
        padding: 4rem;
    }

    .carousel-slide:nth-child(2) .carousel-overlay,
    .carousel-slide:nth-child(3) .carousel-overlay {
        padding: 3rem 4rem;
    }
    


    .features-title {
        font-size: 3.75rem;
    }

    .feature-title {
        font-size: 3rem;
    }

    .feature-description {
        font-size: 1.125rem;
    }

    .categories-title {
        font-size: 3.75rem;
    }

    .ai-title {
        font-size: 3.75rem;
    }

    .security-title {
        font-size: 3.75rem;
    }

    .reviews-title {
        font-size: 3.75rem;
    }

    .download-title {
        font-size: 4.5rem;
    }

    .download-subtitle {
        font-size: 2.5rem;
    }

    .stat-value {
        font-size: 3rem;
    }

    .carousel-title {
        font-size: 2rem;
    }

    .carousel-subtitle {
        font-size: 1.125rem;
    }

    .carousel-description {
        font-size: 1.125rem;
    }
}

@media (min-width: 1536px) {
    .hero-badge-count {
        font-size: 1.875rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .hero-app-icon {
        width: 5rem;
        height: 5rem;
    }

    .hero-title-text {
        font-size: 3.75rem;
    }

    .hero-description-title {
        font-size: 1.875rem;
    }

    .hero-description-text {
        font-size: 1.125rem;
    }

    .hero-highlight {
        font-size: 1.5rem;
    }

    .hero-phone-desktop-wrapper {
        margin-bottom: -10rem;
    }

    .hero-phone-desktop-img {
        width: 28rem;
    }

    .feature-title {
        font-size: 3.75rem;
    }

    .carousel-title {
        font-size: 2.5rem;
    }

    .stat-value {
        font-size: 3.75rem;
    }
}