:root {
    --ink: #0f172a;
    --muted: #64748b;
    --line: #e2e8f0;
    --bg: #f8fafc;
    --blue: #2563eb;
    --violet: #7c3aed;
    --cyan: #0891b2;
    --card: #fff
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif;
    color: var(--ink);
    background: var(--bg)
}

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

.site-page {
    background: radial-gradient(circle at 80% 0, #e0e7ff 0, transparent 30%), radial-gradient(circle at 0 25%, #cffafe 0, transparent 26%), #f8fafc;
    min-height: 100vh
}

.site-header {
    height: 72px;
    max-width: 1180px;
    margin: auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 5
}

.site-logo,
.auth-logo {
    font-weight: 850;
    letter-spacing: -.04em;
    font-size: 26px
}

.site-header nav {
    display: flex;
    gap: 24px;
    align-items: center;
    font-size: 14px;
    font-weight: 650;
    color: #475569
}

.nav-cta {
    background: #0f172a;
    color: #fff !important;
    padding: 11px 17px;
    border-radius: 12px
}

.hero-section {
    max-width: 1040px;
    margin: 0 auto;
    padding: 110px 24px 95px;
    text-align: center
}

.hero-badge,
.section-kicker {
    display: inline-flex;
    padding: 8px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 999px;
    background: rgba(255, 255, 255, .72);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .14em;
    color: #475569;
    backdrop-filter: blur(16px)
}

.hero-section h1 {
    font-size: clamp(52px, 8vw, 90px);
    line-height: .98;
    letter-spacing: -.065em;
    margin: 22px 0
}

.hero-section h1 span {
    background: linear-gradient(90deg, #2563eb, #7c3aed, #0891b2);
    -webkit-background-clip: text;
    color: transparent
}

.hero-section>p {
    max-width: 720px;
    margin: 0 auto;
    color: #475569;
    font-size: 18px;
    line-height: 1.85
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 34px
}

.btn-primary,
.btn-secondary {
    padding: 15px 22px;
    border-radius: 15px;
    font-weight: 800
}

.btn-primary {
    background: #0f172a;
    color: #fff;
    box-shadow: 0 14px 30px #0f172a24
}

.btn-secondary {
    background: #fff;
    border: 1px solid #dbe3ee
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 54px;
    margin-top: 58px
}

.hero-stats div {
    display: flex;
    flex-direction: column
}

.hero-stats strong {
    font-size: 32px
}

.hero-stats span {
    font-size: 12px;
    color: #64748b
}

.services-section,
.how-section {
    max-width: 1180px;
    margin: auto;
    padding: 90px 24px
}

.section-heading {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 42px
}

.section-heading>span {
    font-size: 16px;
    letter-spacing: .18em;
    font-weight: 900;
    color: #6366f1
}

.section-heading h2 {
    font-size: clamp(34px, 5vw, 54px);
    letter-spacing: -.05em;
    margin: 12px 0
}

.section-heading p {
    color: #64748b;
    line-height: 1.8
}

.service-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px
}

.service-card {
    position: relative;
    overflow: hidden;
    background: rgba(255, 255, 255, .82);
    border: 1px solid #e2e8f0;
    border-radius: 28px;
    padding: 30px;
    box-shadow: 0 18px 50px #0f172a0a;
    backdrop-filter: blur(20px)
}

.service-card:before {
    content: "";
    position: absolute;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    right: -80px;
    top: -80px;
    filter: blur(3px);
    opacity: .18
}

.service-card-studio:before {
    background: #6366f1
}

.service-card-selfie:before {
    background: #06b6d4
}

.service-card-tattoo:before {
    background: #8b5cf6
}

.service-number {
    font-size: 12px;
    font-weight: 850;
    color: #94a3b8
}

.service-icon {
    width: 54px;
    height: 54px;
    border-radius: 17px;
    display: grid;
    place-items: center;
    margin: 28px 0 18px;
    background: #0f172a;
    color: #fff;
    font-weight: 900;
    font-size: 20px
}

.service-card h3 {
    font-size: 22px;
    margin: 0 0 12px
}

.service-card p {
    color: #64748b;
    line-height: 1.75;
    min-height: 76px
}

.service-card ul {
    padding: 0;
    list-style: none;
    margin: 24px 0
}

.service-card li {
    padding: 9px 0;
    border-bottom: 1px solid #eef2f7;
    font-size: 14px
}

.service-card li:before {
    content: "✓";
    margin-right: 9px;
    font-weight: 900
}

.service-card>a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 26px;
    font-weight: 800
}

.credit-section {
    max-width: 1100px;
    margin: 60px auto;
    padding: 52px;
    border-radius: 32px;
    background: #0f172a;
    color: #fff;
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 42px;
    align-items: center
}

.credit-section h2 {
    font-size: 42px;
    letter-spacing: -.05em;
    margin: 14px 0
}

.credit-section p {
    color: #cbd5e1;
    line-height: 1.8
}

.credit-flow {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 10px
}

.credit-flow span {
    padding: 13px 16px;
    border-radius: 14px;
    background: #ffffff10;
    border: 1px solid #ffffff1d;
    font-size: 13px;
    font-weight: 750
}

.how-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px
}

.how-grid>div {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 22px;
    padding: 24px
}

.how-grid b {
    color: #6366f1
}

.how-grid h3 {
    margin: 18px 0 8px
}

.how-grid p {
    font-size: 14px;
    color: #64748b;
    line-height: 1.7
}

.site-footer {
    max-width: 1180px;
    margin: 70px auto 0;
    padding: 30px 24px 50px;
    border-top: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    color: #64748b
}

.auth-sub {
    color: #64748b;
    font-size: 14px;
    line-height: 1.7;
    margin-top: -6px
}

.auth-logo {
    display: block;
    margin-bottom: 24px;
    text-align: center;
    color: #0f172a
}

@media(max-width:820px) {
    .site-header {
        height: 64px
    }

    .site-header nav>a:not(.nav-cta):not(:last-child) {
        display: none
    }

    .site-header nav {
        gap: 8px
    }

    .hero-section {
        padding: 72px 20px 60px
    }

    .hero-section h1 {
        font-size: 52px
    }

    .hero-section>p {
        font-size: 15px
    }

    .hero-actions {
        flex-direction: column
    }

    .hero-stats {
        gap: 26px
    }

    .service-card-grid,
    .how-grid {
        grid-template-columns: 1fr
    }

    .services-section,
    .how-section {
        padding: 62px 18px
    }

    .service-card p {
        min-height: 0
    }

    .credit-section {
        margin: 30px 16px;
        padding: 30px 22px;
        grid-template-columns: 1fr
    }

    .credit-section h2 {
        font-size: 32px
    }

    .site-footer {
        margin: 50px 16px 0;
        padding: 24px 4px 36px;
        flex-direction: column;
        gap: 8px
    }
}