:root {
    --lp-bg: #F5F5F7;
    --lp-ink: #1D1D1F;
    --lp-accent: #0071E3;
    --lp-accent-hover: #0077ED;
    --lp-soft: #E8E8ED;
    --lp-panel: #FFFFFF;
    --lp-white: #FFFFFF;
    --lp-line: rgba(0, 0, 0, 0.08);
    --lp-muted: #6E6E73;
    --lp-font-display: "Manrope", "Noto Sans JP", sans-serif;
    --lp-font-body: "Noto Sans JP", "Hiragino Sans", sans-serif;
    --lp-radius: 980px;
    --lp-radius-media: 18px;
    --lp-max: 1120px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body.lp {
    margin: 0;
    color: var(--lp-ink);
    font-family: var(--lp-font-body);
    background: var(--lp-bg);
    line-height: 1.6;
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
}

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

.lp-nav {
    position: sticky;
    top: 0;
    z-index: 20;
    width: 100%;
    background: rgba(245, 245, 247, 0.72);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.lp-nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    max-width: var(--lp-max);
    margin: 0 auto;
    padding: 0.7rem 1.5rem;
}

.lp-nav__right {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.lp-nav__brand {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
}

.lp-nav__brand img {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.14);
}

.lp-nav__brand-text {
    font-family: var(--lp-font-display);
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--lp-ink);
}

.lp-nav__links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.lp-nav__link {
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--lp-muted);
    transition: color 0.2s ease;
}

.lp-nav__link:hover {
    color: var(--lp-ink);
}

.lp-nav__cta {
    display: inline-flex;
    align-items: center;
    min-height: 2.25rem;
    padding: 0 1rem;
    border-radius: var(--lp-radius);
    background: var(--lp-ink);
    color: var(--lp-white);
    font-size: 0.8125rem;
    font-weight: 600;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.lp-nav__cta:hover {
    opacity: 0.88;
}

.lp-hero {
    max-width: var(--lp-max);
    margin: 0 auto;
    padding: 4.5rem 1.5rem 2.5rem;
    text-align: center;
}

.lp-hero__intro {
    max-width: 760px;
    margin: 0 auto 3rem;
}

.lp-hero__logo {
    width: 120px;
    height: 120px;
    margin: 0 auto 1.35rem;
    border-radius: 28px;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.14);
    opacity: 0;
    animation: lpFadeUp 0.8s ease forwards;
}

.lp-hero__title {
    margin: 0 0 1rem;
    font-family: var(--lp-font-display);
    font-size: clamp(1.65rem, 3.4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.035em;
    opacity: 0;
    animation: lpFadeUp 0.8s ease 0.08s forwards;
}

.lp-hero__lead {
    margin: 0 auto 1.75rem;
    max-width: 34em;
    font-size: 1.0625rem;
    color: var(--lp-muted);
    opacity: 0;
    animation: lpFadeUp 0.8s ease 0.16s forwards;
}

.lp-hero__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    opacity: 0;
    animation: lpFadeUp 0.8s ease 0.24s forwards;
}

.lp-hero__visual {
    overflow: hidden;
    border-radius: var(--lp-radius-media);
    opacity: 0;
    animation: lpFadeIn 1s ease 0.2s forwards;
}

.lp-hero__image {
    width: 100%;
    height: clamp(240px, 42vw, 520px);
    object-fit: cover;
    object-position: center;
}

.lp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.75rem;
    padding: 0.7rem 1.35rem;
    border-radius: var(--lp-radius);
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: transform 0.2s ease, background-color 0.2s ease, opacity 0.2s ease;
}

.lp-btn--primary {
    background: var(--lp-accent);
    color: var(--lp-white);
}

.lp-btn--primary:hover {
    background: var(--lp-accent-hover);
    transform: scale(1.02);
}

.lp-btn--ghost {
    background: rgba(0, 113, 227, 0.08);
    color: var(--lp-accent);
    border: 0;
}

.lp-btn--ghost:hover {
    background: rgba(0, 113, 227, 0.14);
    opacity: 1;
}

.lp-logos {
    margin: 1rem 0 0;
    padding: 2.75rem 0 3rem;
    background: var(--lp-white);
    border-top: 1px solid var(--lp-line);
    border-bottom: 1px solid var(--lp-line);
    overflow: hidden;
}

.lp-logos__label {
    margin: 0 auto 1.75rem;
    max-width: var(--lp-max);
    padding: 0 1.5rem;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--lp-muted);
}

.lp-marquee {
    position: relative;
    width: 100%;
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}

.lp-marquee__track {
    display: flex;
    width: max-content;
    animation: lpMarqueeLeftToRight 90s linear infinite;
}

.lp-marquee__group {
    list-style: none;
    margin: 0;
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 1.75rem;
    padding-right: 1.75rem;
}

.lp-marquee__item {
    flex: 0 0 auto;
}

.lp-marquee__item img {
    height: 56px;
    width: auto;
    max-height: 80px;
    object-fit: contain;
    display: block;
}

.lp-marquee__item img.is-sm {
    height: 40px;
}

.lp-marquee__item img.is-md {
    height: 52px;
}

.lp-marquee__item img.is-lg {
    height: 68px;
}

.lp-marquee__item img.is-xl {
    height: 76px;
}

@keyframes lpMarqueeLeftToRight {
    from {
        transform: translateX(-50%);
    }
    to {
        transform: translateX(0);
    }
}

.lp-section {
    max-width: 720px;
    margin: 0 auto;
    padding: 5.5rem 1.5rem 2.5rem;
    text-align: center;
}

.lp-section__eyebrow {
    margin: 0 0 0.75rem;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--lp-accent);
}

.lp-section__title {
    margin: 0 0 1rem;
    font-family: var(--lp-font-display);
    font-size: clamp(1.6rem, 3vw, 2.25rem);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.03em;
}

.lp-section__lead {
    margin: 0;
    font-size: 1.0625rem;
    color: var(--lp-muted);
}

.lp-feature {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
    align-items: center;
    max-width: var(--lp-max);
    margin: 0 auto;
    padding: 3rem 1.5rem;
}

.lp-feature--member {
    grid-template-columns: 0.85fr 1.15fr;
}

.lp-feature--member .lp-feature__media {
    order: 2;
}

.lp-feature--member .lp-feature__copy {
    order: 1;
}

.lp-feature__media {
    overflow: hidden;
    border-radius: var(--lp-radius-media);
    background: var(--lp-soft);
}

.lp-feature__media img {
    width: 100%;
    height: 100%;
    min-height: 280px;
    max-height: 380px;
    object-fit: cover;
    transition: transform 0.9s ease;
}

.lp-feature.is-visible .lp-feature__media img {
    transform: scale(1.02);
}

.lp-feature__label {
    margin: 0 0 0.55rem;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--lp-accent);
}

.lp-feature__title {
    margin: 0 0 0.85rem;
    font-family: var(--lp-font-display);
    font-size: clamp(1.4rem, 2.4vw, 1.85rem);
    font-weight: 700;
    letter-spacing: -0.03em;
}

.lp-feature__text {
    margin: 0;
    max-width: 30em;
    font-size: 1rem;
    color: var(--lp-muted);
}

.lp-platform {
    max-width: var(--lp-max);
    margin: 3rem auto 0;
    padding: 4rem 1.5rem 2rem;
}

.lp-platform__intro {
    max-width: 680px;
    margin: 0 auto 2.75rem;
    text-align: center;
}

.lp-platform__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.lp-platform__item {
    padding: 1.75rem 1.5rem;
    border-radius: 16px;
    background: var(--lp-white);
    border: 1px solid var(--lp-line);
}

.lp-platform__item h3 {
    margin: 0 0 0.65rem;
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.lp-platform__item p {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--lp-muted);
}

.lp-cta {
    max-width: var(--lp-max);
    margin: 3rem auto 0;
    padding: 0 1.5rem 5rem;
}

.lp-cta__inner {
    padding: 3.75rem 1.5rem;
    text-align: center;
    background: var(--lp-ink);
    color: var(--lp-white);
    border-radius: 24px;
}

.lp-cta__title {
    margin: 0 0 0.75rem;
    font-family: var(--lp-font-display);
    font-size: clamp(1.45rem, 2.8vw, 2rem);
    font-weight: 700;
    letter-spacing: -0.03em;
}

.lp-cta__lead {
    margin: 0 0 1.5rem;
    color: rgba(255, 255, 255, 0.72);
}

.lp-cta .lp-btn--primary {
    background: var(--lp-white);
    color: var(--lp-ink);
}

.lp-cta .lp-btn--primary:hover {
    background: #F5F5F7;
}

.lp-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.5rem;
    align-items: center;
    justify-content: space-between;
    max-width: var(--lp-max);
    margin: 0 auto;
    padding: 1.75rem 1.5rem 2.5rem;
}

.lp-footer__brand {
    display: inline-flex;
    text-decoration: none;
}

.lp-footer__brand img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

.lp-footer__copy {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--lp-muted);
}

.lp-reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.lp-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes lpFadeUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes lpFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@media (max-width: 900px) {
    .lp-nav__link {
        display: none;
    }

    .lp-nav__brand-text {
        display: none;
    }

    .lp-hero {
        padding-top: 2rem;
    }

    .lp-hero__logo {
        width: 96px;
        height: 96px;
        border-radius: 22px;
    }

    .lp-hero__image {
        height: 220px;
    }

    .lp-feature,
    .lp-feature--member {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .lp-feature--member .lp-feature__media,
    .lp-feature--member .lp-feature__copy {
        order: initial;
    }

    .lp-feature__media img {
        min-height: 200px;
        max-height: 240px;
    }

    .lp-platform__grid {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }

    .lp-hero__brand,
    .lp-hero__logo,
    .lp-hero__title,
    .lp-hero__lead,
    .lp-hero__actions,
    .lp-hero__visual,
    .lp-reveal,
    .lp-feature__media img,
    .lp-marquee__track {
        animation: none !important;
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}