@charset "UTF-8";
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@700;800;900&display=swap');

/* ==========================================================================
   ヘッダー (site-header)
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    width: 100%;
    height: 80px;
    z-index: 100;
    background: rgba(var(--main-color-rgb), 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(var(--main-color-rgb), 0.2);
    transition: height 0.3s ease;
}

.header-app-bar {
    display: none;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--space-sm);
    height: 100%;
}

.logo img {
    height: 40px;
}

h1.logo {
    display: flex;
    align-items: center;
    margin: 0;
}

h1.logo a {
    display: inline-block;
    line-height: 0;
}

.pc-nav {
    display: flex;
    align-items: center;
    height: 100%;
}

.pc-nav ul {
    display: flex;
    align-items: center;
    gap: 30px;
    height: 100%;
}

.pc-nav li {
    height: 100%;
    display: flex;
    align-items: center;
}

.pc-nav a {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--white-color);
    font-weight: bold;
    font-size: var(--fs-base);
    position: relative;
}

.pc-nav a.is-active::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-color);
}

.pc-nav a:hover::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-color);
    opacity: 0.5;
}

.sp-switch-nav {
    display: none;
}

.sp-nav-overlay {
    display: none;
    opacity: 0;
}

.menu-button {
    display: none;
}

/* ==========================================================================
   ヒーローセクション (hero)
   ========================================================================== */
.hero {
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    background: var(--bg-light);
    padding-top: 80px;
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    align-items: center;
}

.hero-image-left img,
.hero-image-right img {
    width: 100%;
    height: auto;
    display: block;
}

.catch-copy {
    font-size: clamp(2rem, 8vw, 3.5rem);
    line-height: 1.3;
    font-weight: 900;
    letter-spacing: 0.02em;
    margin-bottom: var(--space-md);
    color: var(--text-color);
}

.catch-copy-sub {
    font-size: var(--fs-lg);
    margin-bottom: var(--space-md);
    display: inline-block;
    padding: var(--space-xxs) var(--space-xs) var(--space-xxs) var(--space-xs);
    border-left: 4px solid var(--accent-color);
    color: var(--main-color);
    font-weight: 900;
}

/* ==========================================================================
   特徴・サービス紹介セクション (feature-section)
   ========================================================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-xl);
    display: flex;
    align-items: center;
    gap: 60px;
}

.container_color {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-max) var(--space-xl);
    display: flex;
    align-items: center;
    gap: 60px;
}

.feature-text {
    flex: 1;
    position: relative;
}

.service_solt {
    width: 30%;
    position: absolute;
    right: 0;
    top: -60px;
}

.feature-title {
    font-size: var(--fs-xxl);
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: var(--space-md);
}

.feature-divider {
    width: 60px;
    height: 4px;
    background-color: var(--main-color);
    margin-bottom: var(--space-md);
}

.feature-description {
    max-width: 450px;
    margin-bottom: var(--space-md);
}

.feature-visual {
    flex: 1;
    text-align: center;
    position: relative;
}

.feature-visual::after {
    content: "";
    position: absolute;
    top: 0;
    width: 500px;
    height: 800px;
    background-repeat: no-repeat;
    background-size: contain;
    opacity: 0;
    z-index: -1;
    pointer-events: none;
}

.feature-visual-wave01::after {
    left: 40%;
    background-image: url('../img/background-waves-01.svg');
    animation: waveScrollRightToLeft 1.5s ease-out 1 forwards;
}

.feature-visual-wave02::after {
    left: -40%;
    background-image: url('../img/background-waves-02.svg');
    animation: waveScrollRightToLeft 1.5s ease-out 1 forwards;
}

.feature-visual-wave03::after {
    left: 40%;
    background-image: url('../img/background-waves-03.svg');
    animation: waveScrollRightToLeft 1.5s ease-out 1 forwards;
}

.feature-visual-wave01[data-aos="fade-left"]::after,
.feature-visual-wave03[data-aos="fade-left"]::after {
    opacity: .8;
    transition: opacity 0.5s ease;
}

.feature-visual-wave02[data-aos="fade-right"]::after {
    opacity: .8;
    transition: opacity 0.5s ease;
}

@keyframes waveScrollRightToLeft {
    0% {
        transform: translateX(100px);
        opacity: 0;
    }

    100% {
        transform: translateX(0);
        opacity: 0.8;
    }
}

.browser-mockup {
    width: 100%;
}

.browser-content img {
    width: 100%;
    display: block;
    filter: var(--img-shadow);
}

.iphone-content img {
    width: 55%;
    filter: var(--img-shadow);
}

.steps {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-md);
}

.steps_circle {
    width: 20px;
    height: 20px;
    border: 3px solid var(--gray-light);
    border-radius: var(--radius-circle);
    flex-shrink: 0;
}

.steps_circle.active {
    border-color: var(--main-color);
}

.steps_line {
    height: 3px;
    width: 15px;
    background-color: var(--gray-light);
}

/* ==========================================================================
   料金プランセクション (pricing-section)
   ========================================================================== */
.pricing-section {
    padding: clamp(80px, 10vw, 140px) 20px;
    background-color: var(--bg-light);
    font-family: 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-color);
}

.pricing-container {
    max-width: 1100px;
    margin: 0 auto;
    text-align: center;
}

.pricing-title {
    font-size: clamp(2rem, 5vw, 2.5rem);
    color: var(--text-color);
    margin-bottom: var(--space-sm);
    font-weight: 900;
    letter-spacing: -0.02em;
}

.pricing-subtitle {
    font-size: var(--fs-base);
    color: var(--text-color);
    opacity: 0.7;
    margin-bottom: var(--space-xl);
}

.pricing-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    align-items: stretch;
}

.pricing-card {
    background-color: var(--white-color);
    border: 1px solid rgba(var(--main-color-rgb), 0.15);
    border-radius: var(--radius-lg);
    padding: var(--space-xl) var(--space-lg) var(--space-lg);
    width: 360px;
    position: relative;
    display: flex;
    flex-direction: column;
    box-shadow: var(--card-shadow);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-shadow-hover);
}

.pricing-card.featured {
    border: 2px solid var(--main-color);
    background: var(--white-color);
    box-shadow: var(--featured-shadow);
}

.badge-featured {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--main-color);
    color: var(--white-color);
    font-size: var(--fs-xs);
    font-weight: 800;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-pill);
    letter-spacing: 1.5px;
    box-shadow: 0 4px 12px rgba(var(--main-color-rgb), 0.3);
}

.plan-name {
    font-family: 'Inter', "Helvetica Neue", Arial, sans-serif;
    font-size: var(--fs-lg);
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
}

.plan-description {
    font-size: var(--fs-sm);
    color: var(--text-color);
    opacity: 0.6;
    margin-bottom: var(--space-md);
}

.price-block-container {
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: 20px;
    text-align: center;
    height: 180px;
    justify-content: center;
}

.price-row {
    display: flex;
    flex-direction: column;
    gap: 4px;
    position: relative;
}

.price-value {
    font-size: var(--fs-md);
    color: var(--text-color);
    font-weight: 700;
}

.price-value .num {
    font-size: var(--fs-max);
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.03em;
    margin-right: var(--space-xxs);
}

.price-row.highlight {
    background-color: rgba(var(--accent-color-rgb), 0.05);
    border: 1px solid var(--accent-color);
    margin: 0;
    padding: var(--space-md) var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
}

.price-row.highlight .price-label {
    color: var(--accent-color);
    opacity: 0.9;
}

.price-row.highlight .price-value {
    color: var(--accent-color);
}

.old-price {
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--text-color);
    text-decoration: line-through;
    opacity: 0.4;
    display: block;
}

.badge-discount {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent-color);
    color: var(--white-color);
    font-size: var(--fs-xs);
    padding: var(--space-xxs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-weight: 800;
    box-shadow: 0 4px 10px rgba(var(--main-color-rgb), 0.2);
    white-space: nowrap;
}

.card-body {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.plan-features {
    padding: 0;
    text-align: left;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.plan-features li {
    font-size: var(--fs-sm);
    color: var(--text-color);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    max-width: 240px;
}

.icon-check {
    background-color: rgba(var(--main-color-rgb), 0.12);
    color: var(--main-color);
    width: 24px;
    height: 24px;
    border-radius: var(--radius-circle);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-xs);
    font-weight: bold;
    flex-shrink: 0;
}

.plan-features li span:not(.icon-check) {
    background-color: rgba(var(--main-color-rgb), 0.05);
    color: var(--text-color);
    opacity: 0.3;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-circle);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-xs);
    flex-shrink: 0;
}

.price-attention {
    margin: var(--space-lg) 0;
}

/* ==========================================================================
   下部ダウンロードCTA (download-cta-section)
   ========================================================================== */
.download-cta-section {
    background-color: var(--main-color);
    padding: var(--space-xl) var(--space-md);
    text-align: center;
}

.download-cta-section {
    position: relative;
    overflow: hidden;
}

.download-cta-section::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background-image: url('../img/background-waves-cta.svg');
    background-size: cover;
    background-position: right center;
    background-repeat: no-repeat;
    opacity: 0.15;
    pointer-events: none;
}

.download-cta-container {
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    color: var(--white-color);
    font-size: var(--fs-lg);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    letter-spacing: 0.5px;
    line-height: 1.4;
}

.cta-subtitle {
    color: var(--white-color);
    font-size: var(--fs-base);
    font-weight: 600;
    margin-bottom: var(--space-lg);
    display: inline-block;
    padding: var(--space-xxs) var(--space-sm);
}

.cta-store-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}

.cta-store-link {
    display: inline-block;
    transition: transform 0.2s, box-shadow 0.2s;
}

.cta-store-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.cta-badge {
    width: 100%;
    height: auto;
    display: block;
}

.cta-app-btn {
    display: none;
}

/* ==========================================================================
   よくある質問セクション (faq-section)
   ========================================================================== */
.faq-section {
    padding: var(--space-max) var(--space-xl);
    background-color: var(--bg-light);
}

.faq-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 60px;
}

.faq-left {
    flex: 0 0 160px;
}

.faq-sticky-title {
    position: sticky;
    top: 40px;
}

.faq-sticky-title .en-title {
    font-size: var(--fs-xl);
    font-weight: 800;
    color: var(--main-color);
    display: block;
    line-height: 1;
    letter-spacing: 1px;
}

.faq-sticky-title .ja-title {
    font-size: var(--fs-sm);
    font-weight: 700;
    color: var(--main-color);
    margin-top: var(--space-xs);
}

.faq-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.faq-item {
    background-color: var(--gray-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: background-color 0.3s;
}

.faq-toggle {
    width: 100%;
    background: none;
    border: none;
    padding: var(--space-md);
    display: flex;
    align-items: center;
    cursor: pointer;
    outline: none;
    text-align: left;
}

.q-prefix {
    background-color: var(--white-color);
    border-radius: var(--radius-circle);
    font-size: var(--fs-md);
    font-weight: 700;
    color: var(--text-color);
    margin-right: var(--space-md);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.q-text {
    font-size: var(--fs-base);
    font-weight: 700;
    color: var(--text-color);
    flex: 1;
}

.faq-icon {
    position: relative;
    width: 20px;
    height: 20px;
}

.faq-icon::before,
.faq-icon::after {
    content: "";
    position: absolute;
    background-color: var(--text-color);
    transition: transform 0.3s ease;
}

.faq-icon::before {
    top: 9px;
    left: 0;
    width: 20px;
    height: 2px;
}

.faq-icon::after {
    top: 0;
    left: 9px;
    width: 2px;
    height: 20px;
}

.faq-item.active .faq-icon::after {
    transform: rotate(90deg);
    opacity: 0;
}

.faq-body {
    height: 0;
    overflow: hidden;
    transition: height 0.3s ease-in-out;
}

.faq-content {
    padding: 0 var(--space-md) var(--space-md) var(--space-md);
    display: flex;
    align-items: flex-start;
    border-top: 1px dashed rgba(var(--main-color-rgb), 0.15);
    padding-top: var(--space-md);
}

.a-badge {
    background-color: var(--main-color);
    color: var(--white-color);
    font-size: var(--fs-base);
    font-weight: 700;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-circle);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: var(--space-md);
    flex-shrink: 0;
}

.a-text {
    font-size: var(--fs-base);
    line-height: 1.7;
    color: var(--text-color);
    margin: 0;
    padding-top: var(--space-xxs);
}

/* ==========================================================================
   フッターセクション (style-footer)
   ========================================================================== */
.style-footer {
    background-color: var(--white-color);
    padding: var(--space-xl) var(--space-md) var(--space-lg) var(--space-md);
    border-top: 1px solid var(--gray-light);
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", sans-serif;
    color: var(--text-color-dark);
}

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

.footer-top-row {
    display: flex;
    align-items: center;
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--gray-light);
    margin-bottom: var(--space-lg);
}

.service-label {
    font-size: var(--fs-xs);
    font-weight: 700;
    color: var(--text-color-dark);
    margin-right: var(--space-lg);
    letter-spacing: 0.5px;
    opacity: 0.6;
}

.service-links {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.service-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--fs-sm);
    font-weight: 700;
}

.service-icon {
    width: 20px;
}

.footer-bottom-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.footer-bottom-left {
    display: flex;
    align-items: center;
    gap: 40px;
}

.footer-sns-icons {
    display: flex;
    gap: 22px;
}

.sns-icon-link img {
    width: 28px;
}

.footer-text-links {
    display: flex;
    gap: 24px;
    border-left: 1px solid var(--gray-light);
    padding-left: var(--space-md);
}

.text-link-item {
    font-size: var(--fs-xs);
    font-weight: 700;
    color: var(--text-color-dark);
}

.text-link-item:hover {
    color: var(--main-color);
}

.footer-bottom-right {
    text-align: right;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
}

.footer-logo-area img {
    width: 180px;
}

.copyright {
    font-size: var(--fs-xs);
    color: var(--text-color-dark);
    margin: 0;
    opacity: 0.7;
}

/* ==========================================================================
   規約関連
   ========================================================================== */
#rule-main-body {
    margin: var(--space-max) 0 var(--space-xxl) 0;
    line-height: 1.7;
}

#rule-main-body section {
    width: 70%;
    margin: 0 auto;
    padding: var(--space-md) 0;
}

#rule-main-body section h1 {
    margin-bottom: var(--space-md);
}

#rule-main-body section h2 {
    margin: var(--space-sm) 0;
}

#rule-main-body section a {
    color: var(--main-color);
}

#rule-main-body section h3 {
    margin: var(--space-sm) 0;
}

#rule-main-body section ul {
    list-style: disc;
    margin-left: var(--space-lg);
}

#rule-main-body section ul,
#rule-main-body section ol {
    padding: var(--space-xs) 0 var(--space-xs) var(--space-xs);
}

#rule-main-body section p {
    padding-left: var(--space-md);
}

#rule-main-body section ol {
    padding-left: var(--space-lg);
}

/* ==========================================================================
   セキュリティ
   ========================================================================== */
.security-title {
    font-weight: bold;
    color: var(--main-color);
    padding-top: var(--space-xs);
}

.security-item {
    display: flex;
    margin-bottom: var(--space-xs);
    align-items: center;
    gap: 16px;
}

.icon-circle {
    width: 56px;
    height: 56px;
    background-color: var(--main-color);
    border-radius: var(--radius-circle);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.icon-circle img {
    width: 36px;
    height: 36px;
}

.security-article {
    display: grid;
    gap: 60px;
}

.security-section {
    background: var(--white-color);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-light);
    box-shadow: var(--featured-shadow);
}

/* ==========================================================================
   トップ以外共通
   ========================================================================== */
.sub-header-bg {
    width: 100%;
    background: var(--bg-light) url(../img/background-waves-cta.svg) no-repeat center center / cover;
    padding: var(--space-xxl) 0;
}

.sub-header {
    width: 80%;
    margin: var(--space-xl) auto 0 auto;
}

.sub-header h1 {
    font-size: var(--fs-max);
    margin-bottom: var(--space-xs);
}

.sub-main-body {
    width: 80%;
    margin: var(--space-xl) auto var(--space-xxl);
}

.sub-main-body section h2 {
    font-size: clamp(1.2rem, 2vw + 0.8rem, 1.4rem);
}

.sub-main-body section p {
    line-height: 2.2;
}

/* ==========================================================================
   メディアクエリ
   ========================================================================== */
@media screen and (max-width: 768px) {

    .br-small-vsual {
        display: block;
    }

    .site-header {
        height: auto;
        background: var(--white-color);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        border-bottom: none;
    }

    .header-container {
        height: 56px;
        background: rgba(var(--main-color-rgb), 0.95);
        max-width: 100%;
    }

    .header-app-bar {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: var(--space-sm);
        background-color: var(--white-color);
        border-bottom: 1px solid var(--gray-light);
        height: 80px;
    }

    .app-bar-left {
        display: flex;
        align-items: center;
        gap: 12px;
        flex: 1;
        min-width: 0;
    }

    .app-bar-icon {
        width: 44px;
        height: 44px;
        border-radius: var(--radius-md);
        object-fit: cover;
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
        flex-shrink: 0;
    }

    .app-bar-info {
        display: flex;
        flex-direction: column;
        min-width: 0;
    }

    .app-bar-title {
        font-weight: 800;
        color: var(--text-color-dark);
        line-height: 1.2;
        margin-bottom: var(--space-xxs);
    }

    .app-bar-desc {
        font-size: var(--fs-xs);
        color: var(--text-color);
        opacity: 0.7;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .header-download-btn {
        font-size: var(--fs-xs);
        background-color: var(--text-color);
        color: var(--white-color) !important;
        padding: var(--space-xs) var(--space-sm);
        border-radius: var(--radius-sm);
        font-weight: 800;
        white-space: nowrap;
        margin: 0;
        box-shadow: 0 2px 6px rgba(0, 199, 60, 0.2);
    }

    .logo img {
        height: 25px;
    }

    .pc-nav {
        display: none;
    }

    .sp-switch-nav {
        display: flex;
        background: rgba(0, 0, 0, 0.15);
        padding: var(--space-xxs);
        border-radius: var(--radius-lg);
        margin-left: auto;
        margin-right: var(--space-sm);
    }

    .switch-item {
        font-size: var(--fs-xs);
        font-weight: bold;
        color: rgba(255, 255, 255, 0.8);
        padding: 6px 12px;
        border-radius: var(--radius-lg);
        white-space: nowrap;
        transition: all 0.2s ease;
    }

    .switch-item.is-visible,
    .switch-item.is-active {
        background: var(--white-color);
        color: var(--main-color);
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }

    .pc-nav {
        display: none;
    }

    .header-container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
    }

    .menu-button {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 30px;
        height: 20px;
        background: none;
        border: none;
        cursor: pointer;
        padding: 0;
        z-index: 120;
        position: relative;
    }

    .menu-button span {
        width: 100%;
        height: 2px;
        background-color: var(--white-color);
        border-radius: var(--radius-sm);
        transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        transform-origin: left center;
    }

    .menu-button.is-active span:nth-child(1) {
        transform: rotate(45deg) translate(2px, -1px);
    }

    .menu-button.is-active span:nth-child(2) {
        opacity: 0;
        transform: scaleX(0);
    }

    .menu-button.is-active span:nth-child(3) {
        transform: rotate(-45deg) translate(1px, 2px);
    }

    .sp-switch-nav {
        display: flex;
        background: rgba(0, 0, 0, 0.1);
        padding: 2px;
        border-radius: var(--radius-lg);
        margin-left: auto;
        margin-right: var(--space-sm);
    }

    .sp-nav-overlay {
        display: block;
        position: fixed;
        top: 56px;
        left: 0;
        width: 100%;
        height: calc(100vh - 56px);
        background: linear-gradient(to bottom,
                rgba(var(--main-color-rgb), 0.98) 0%,
                rgba(125, 187, 201, 0.98) 50%,
                rgba(164, 212, 222, 0.98) 100%);
        z-index: 115;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.4s ease, visibility 0.4s ease;
    }

    .sp-nav-overlay.open {
        opacity: 1;
        visibility: visible;
    }

    .sp-nav-menu {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        height: 100%;
        padding: 0 var(--space-lg) var(--space-xl) var(--space-lg);
    }

    .sp-nav-menu ul {
        width: 100%;
        max-width: 320px;
        padding: 0;
    }

    .sp-nav-menu li {
        width: 100%;
        text-align: left;
    }

    .sp-nav-menu a {
        display: block;
        font-size: var(--fs-base);
        font-weight: bold;
        color: var(--white-color);
        padding: var(--space-sm) 0 var(--space-sm) var(--space-xs);
        letter-spacing: 0.05em;
        transition: opacity 0.2s ease;
    }

    .sp-nav-menu .sp-nav-btn {
        border: 2px solid var(--white-color);
        border-radius: var(--radius-pill);
        text-align: center;
        padding: var(--space-sm) var(--space-md);
        margin-top: var(--space-md);
        display: block;
    }

    .sp-nav-menu .sp-nav-btn::before {
        display: none;
    }

    .sp-nav-menu .sp-nav-btn:active {
        background-color: rgba(255, 255, 255, 0.2);
        opacity: 1;
    }

    .download-buttons {
        display: none;
    }

    .hero {
        height: auto;
        min-height: calc(100vh - 136px);
        margin-top: 130px;
        background: var(--bg-light);
        display: flex;
        align-items: center;
        padding: 50px 20px 40px 20px;
    }

    .hero-grid {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 35px;
        width: 100%;
        position: relative;
    }

    .hero-content {
        order: 1;
        text-align: center;
        width: 100%;
        margin-bottom: var(--space-lg);
        z-index: 3;
    }

    .catch-copy {
        font-size: var(--fs-xxl);
        line-height: 1.3;
        margin-bottom: var(--space-sm);
        color: var(--text-color-dark);
        font-weight: 900;
    }

    .catch-copy-sub {
        font-size: var(--fs-base);
        margin-bottom: 0;
        padding: var(--space-xxs) 0;
        border-left: none;
        display: inline-block;
        position: relative;
    }

    .catch-copy-sub::after {
        content: "";
        position: absolute;
        bottom: -14px;
        left: 50%;
        transform: translateX(-50%);
        width: 40px;
        height: 3px;
        background-color: var(--accent-color);
    }

    .hero-grid {
        display: grid;
        grid-template-columns: 1fr;
        grid-template-rows: auto auto;
    }

    .hero-content {
        grid-column: 1;
        grid-row: 1;
    }

    .hero-image-right {
        grid-column: 1;
        grid-row: 2;
        width: 85%;
        max-width: 320px;
        justify-self: center;
    }

    .hero-image-left {
        display: none;
    }

    .hero-image-left img,
    .hero-image-right img {
        width: 100%;
        height: auto;
        display: block;
    }

    .features {
        padding: var(--space-xl) var(--space-md);
    }

    .features-grid {
        flex-direction: column;
        gap: 30px;
    }

    .feature-title {
        font-size: var(--fs-xl);
    }

    .container_color {
        flex-direction: column;
        padding: var(--space-xl) var(--space-md);
        gap: 30px;
    }

    .container {
        flex-direction: column;
        gap: 30px;
        padding: var(--space-xl) var(--space-md);
    }

    .feature-description {
        margin-bottom: 0;
    }

    .feature-visual-wave02 {
        order: 2;
    }

    .feature-visual::after {
        width: 100vw;
        left: -20px;
        height: 100%;
    }

    .feature-btn-area {
        text-align: center;
        margin-top: var(--space-md);
    }

    .cta-app-btn {
        display: block;
    }

    .faq-section {
        padding: var(--space-xxl) var(--space-md);
    }

    .faq-container {
        flex-direction: column;
        gap: 30px;
    }

    .faq-left {
        flex: 0;
    }

    .faq-toggle,
    .faq-content {
        padding: var(--space-md) var(--space-sm);
    }

    .q-prefix,
    .a-badge {
        margin-right: var(--space-xs);
    }

    .faq-icon::after {
        height: 16px;
        left: 7px;
    }

    .q-text {
        padding-right: var(--space-xs);
    }

    .faq-icon::before {
        top: 7px;
        width: 16px;
    }

    .faq-btn-area {
        margin: var(--space-md) auto 0 auto;
    }

    .price-block-container {
        height: auto;
    }

    .price-attention {
        text-align: left;
    }

    .footer-top-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .footer-bottom-row {
        flex-direction: column;
        align-items: center;
    }

    .footer-bottom-left {
        flex-direction: column;
        gap: 10px;
        margin-bottom: var(--space-lg);
    }

    .footer-bottom-right {
        align-items: center;
        text-align: center;
        gap: 2px;
    }

    .footer-text-links {
        flex-direction: column;
        gap: 10px;
        border-left: none;
        padding-left: 0;
        margin-top: var(--space-sm);
    }

    #rule-main-body section {
        width: 92%;
    }

    .sub-main-body {
        width: 94%;
        margin: var(--space-xl) auto;
    }

    .sub-header {
        width: 90%;
    }

    .sub-header-bg {
        padding: var(--space-xxl) 0 var(--space-xl) 0;
    }

    .security-section {
        padding: var(--space-md);
    }

    .sub-main-body section h2 {
        line-height: 2.5;
    }

    .icon-circle {
        height: 48px;
        width: 48px;
    }

    .icon-circle img {
        height: 28px;
        width: 28px;
    }
}

@media screen and (min-width: 1600px) {
    .hero {
        height: auto !important;
        min-height: auto !important;
        padding-top: 260px;
        padding-bottom: 220px;
    }

    .hero-grid {
        max-width: 1600px;
    }
}