:root {
    --site-bg: #fcfbfa;
    --site-surface: #ffffff;
    --site-surface-soft: #f7f0f2;
    --site-surface-tint: #fff5f7;
    --site-ink: #1f1b1d;
    --site-muted: #6f6870;
    --site-line: rgba(217, 134, 149, 0.18);
    --site-accent: #d98695;
    --site-accent-deep: #bf6d7d;
    --site-shadow: 0 20px 50px rgba(112, 72, 84, 0.08);
}

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

html {
    scroll-behavior: auto;
}

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(180deg, #fffdfd 0%, #fcf7f8 100%);
    color: var(--site-ink);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
}

img {
    max-width: 100%;
}

.section {
    padding: 20px 12px;
    max-width: 1200px;
    margin: 0 auto;
    background: transparent;
    scroll-margin-top: 108px;
}

.section-title {
    font-size: clamp(32px, 6vw, 48px);
    font-weight: 800;
    text-align: center;
    margin-bottom: 16px;
    color: var(--site-ink);
    letter-spacing: -0.05em;
    line-height: 1.12;
}

.section-subtitle {
    font-size: clamp(16px, 3vw, 20px);
    text-align: center;
    color: var(--site-muted);
    margin: 0 auto 40px;
    max-width: 700px;
}

.section-bottom-cta {
    text-align: center;
    margin: 20px auto;
    width: 100%;
    padding: 0 12px;
}

.section-bottom-cta--tight-bottom {
    margin-bottom: 10px;
}

.btn-pink-gradient {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    background: var(--site-accent);
    padding: 18px 40px;
    border-radius: 16px;
    font-size: 18px;
    font-weight: 800;
    color: #ffffff !important;
    text-decoration: none;
    box-shadow: 0 10px 25px rgba(217, 134, 149, 0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    width: 100%;
    max-width: 340px;
}

.cta-section-button__content {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.cta-section-button__icon {
    display: inline-flex;
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

.cta-section-button__icon svg {
    display: block;
    width: 100%;
    height: 100%;
}

.cta-section-button--web-demo {
    background: #3366ff;
    box-shadow: 0 10px 25px rgba(51, 102, 255, 0.26);
}

.cta-section-button--web-demo:hover {
    box-shadow: 0 12px 24px rgba(51, 102, 255, 0.34);
}

.cta-section-button--line {
    background: #06c755;
    box-shadow: 0 10px 25px rgba(6, 199, 85, 0.26);
}

.cta-section-button--line:hover {
    box-shadow: 0 12px 24px rgba(6, 199, 85, 0.34);
}

.cta-section-hint {
    margin: 14px auto 0;
    max-width: 680px;
    padding: 0 8px;
    text-align: center;
    color: var(--site-muted);
    font-size: 13px;
    font-weight: 700;
    line-height: 1.55;
}

.btn-pink-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(217, 134, 149, 0.4);
}

.btn-pink-gradient:active {
    transform: scale(0.98);
}

.premium-text {
    display: inline-block;
    color: #ffffff;
    font-weight: 800;
}

.text-keep {
    word-break: keep-all;
}

.highlighter {
    background: linear-gradient(transparent 60%, rgba(217, 134, 149, 0.25) 0%);
    display: inline;
    padding: 2px 0;
    font-weight: 800;
}

.footer {
    background: #1d1d1f;
    color: rgba(255, 255, 255, 0.72);
    text-align: center;
    padding: 48px 20px;
}

.footer__support {
    margin-bottom: 24px;
    line-height: 1.8;
}

.footer__support-link {
    color: var(--site-accent);
    font-weight: 700;
    text-decoration: none;
}

.footer__muted-note,
.footer__link,
.footer__copyright {
    font-size: 12px;
}

.footer__muted-note {
    color: #888;
}

.footer__muted-note a {
    color: #888;
    text-decoration: underline;
}

.footer__links {
    margin-bottom: 16px;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.footer__link {
    color: #666;
    text-decoration: underline;
}

@media (max-width: 759px) {
    .section {
        padding: 20px 6px;
    }

    .section-bottom-cta {
        padding: 0 6px;
    }

    .section-title {
        font-size: clamp(28px, 8vw, 40px);
    }

    .section-subtitle {
        margin-bottom: 28px;
        font-size: 15px;
        line-height: 1.65;
    }

    .btn-pink-gradient {
        max-width: 320px;
        font-size: 16px;
        min-height: 54px;
        padding: 16px 28px;
    }

    .cta-section-button__content {
        gap: 8px;
    }

    .cta-section-button__icon {
        width: 24px;
        height: 24px;
    }

    .cta-section-hint {
        margin-top: 16px;
        font-size: 12px;
        line-height: 1.6;
    }

    .footer {
        padding: 42px 16px;
    }
}

.lp-install-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 72px;
    border: 0;
    border-radius: 24px;
    background: linear-gradient(135deg, #ef6f96 0%, #d95f82 100%);
    color: #fff !important;
    font-size: 19px;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.03em;
    text-decoration: none;
    box-shadow: 0 20px 34px rgba(217, 95, 130, 0.28);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.lp-install-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 24px 36px rgba(217, 95, 130, 0.34);
}

.lp-install-cta:active {
    transform: translateY(0) scale(0.988);
}

.lp-install-cta:focus-visible {
    outline: 3px solid rgba(239, 111, 150, 0.3);
    outline-offset: 4px;
}

@media (max-width: 639px) {
    .lp-install-cta {
        min-height: 56px;
        border-radius: 18px;
        font-size: 16px;
    }
}
