:root {
    --bg: #070707;
    --bg-soft: #101010;
    --panel: rgba(255, 255, 255, 0.045);
    --panel-strong: rgba(255, 255, 255, 0.075);
    --line: rgba(168, 85, 247, 0.24);
    --line-soft: rgba(255, 255, 255, 0.08);
    --text: #ffffff;
    --muted: rgba(255, 255, 255, 0.7);
    --subtle: rgba(255, 255, 255, 0.42);
    --gold: #a855f7;
    --gold-deep: #7e22ce;
    --shadow-xl: 0 40px 100px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 26px 70px rgba(0, 0, 0, 0.34);
    --shadow-md: 0 18px 40px rgba(0, 0, 0, 0.28);
    --radius-xl: 32px;
    --radius-lg: 24px;
    --radius-md: 18px;
    --content: min(1120px, calc(100% - 40px));
}

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100%;
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(168, 85, 247, 0.16), transparent 28%),
        radial-gradient(circle at 85% 15%, rgba(192, 132, 252, 0.12), transparent 24%),
        linear-gradient(180deg, #090909 0%, #060606 100%);
    line-height: 1.65;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.86), transparent 90%);
    opacity: 0.5;
}


body::after {
    content: "";
    position: fixed;
    right: -120px;
    bottom: -140px;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.14), rgba(168, 85, 247, 0));
    filter: blur(16px);
    pointer-events: none;
    opacity: 0.7;
}
a {
    color: inherit;
    text-decoration: none;
}

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

.container {
    width: var(--content);
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(16px);
    background: rgba(7, 7, 7, 0.78);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 76px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 900;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.brand::before {
    content: "";
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, #f3e8ff, var(--gold));
    box-shadow: 0 0 18px rgba(168, 85, 247, 0.45);
}

.brand span {
    color: var(--gold);
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.nav-link {
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid transparent;
    color: var(--muted);
    font-size: 13px;
    transition: 0.25s ease;
}

.nav-link:hover,
.nav-link.is-current {
    color: var(--text);
    border-color: var(--line);
    background: rgba(255, 255, 255, 0.03);
}

.page-main {
    overflow: hidden;
}

.hero,
.page-hero {
    padding: 42px 0 28px;
}

.hero-shell,
.page-hero-shell,
.cta-shell,
.quote-shell {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.08);
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02)),
        linear-gradient(160deg, rgba(16, 16, 16, 0.97), rgba(8, 8, 8, 0.98));
    box-shadow: var(--shadow-xl), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    isolation: isolate;
}

.hero-shell::before,
.page-hero-shell::before,
.cta-shell::before,
.quote-shell::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, 0.03) 48%, transparent 100%);
    pointer-events: none;
}

.hero-shell::after,
.page-hero-shell::after,
.cta-shell::after,
.quote-shell::after {
    content: "";
    position: absolute;
    inset: auto -90px -120px auto;
    width: 260px;
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, rgba(168, 85, 247, 0.34), rgba(168, 85, 247, 0));
    filter: blur(10px);
    opacity: 0.7;
    pointer-events: none;
}

.hero-grid,
.page-hero-grid,
.cta-grid,
.split-grid,
.value-grid,
.detail-grid,
.pricing-grid,
.service-grid,
.related-grid,
.highlight-grid {
    display: grid;
    gap: 20px;
}

.hero-grid,
.page-hero-grid,
.cta-grid,
.split-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
}

.hero-grid,
.page-hero-grid,
.cta-grid {
    padding: 46px;
    align-items: stretch;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--gold);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 28px;
    height: 1px;
    background: linear-gradient(90deg, rgba(168, 85, 247, 0.98), transparent);
}

.hero-copy h1,
.page-title,
.cta-copy h2 {
    font-size: clamp(40px, 7vw, 72px);
    line-height: 1.04;
    letter-spacing: -0.03em;
    margin: 18px 0 18px;
}

.page-title {
    font-size: clamp(38px, 6vw, 62px);
}

.accent {
    color: var(--gold);
}

.lead,
.section-head p,
.page-hero-copy p,
.cta-copy p,
.quote-copy p,
.muted-copy {
    color: var(--muted);
    font-size: 16px;
    max-width: 56ch;
}

.hero-actions,
.button-row,
.chip-row,
.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.hero-actions,
.button-row {
    margin-top: 28px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 18px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 14px;
    font-weight: 700;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button-primary {
    color: #fcfaff;
    background: linear-gradient(135deg, var(--gold), #c084fc);
    box-shadow: 0 16px 36px rgba(168, 85, 247, 0.24);
}

.button-secondary {
    color: var(--text);
    background: rgba(255, 255, 255, 0.03);
    border-color: var(--line);
}

.button-ghost {
    color: var(--muted);
    background: transparent;
    border-color: rgba(255, 255, 255, 0.08);
}

.hero-note,
.section-note,
.page-note {
    color: var(--subtle);
    font-size: 13px;
}

.chip,
.tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid rgba(168, 85, 247, 0.22);
    background: rgba(255, 255, 255, 0.03);
    color: rgba(255, 255, 255, 0.82);
    font-size: 12px;
}

.chip::before,
.tag::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gold);
}

.panel,
.card,
.metric-card,
.info-card {
    position: relative;
    padding: 26px 22px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.02));
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.04);
    transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}

.panel::before,
.card::before,
.metric-card::before,
.info-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    background: linear-gradient(90deg, rgba(168, 85, 247, 0.9), rgba(168, 85, 247, 0));
}

.panel::after,
.card::after,
.metric-card::after,
.info-card::after {
    content: "";
    position: absolute;
    inset: auto 14px -16px 14px;
    height: 26px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.12), transparent 70%);
    filter: blur(8px);
    opacity: 0.7;
    pointer-events: none;
}

.panel:hover,
.card:hover,
.metric-card:hover,
.info-card:hover {
    transform: translateY(-4px);
    border-color: rgba(168, 85, 247, 0.22);
    box-shadow: var(--shadow-xl), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.service-card,
.detail-card,
.related-card,
.value-card,
.pricing-card,
.audience-card,
.highlight-card {
    height: 100%;
}

.card-index,
.service-index,
.value-index,
.pricing-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--gold), #c084fc);
    color: #fcfaff;
    font-size: 14px;
    font-weight: 900;
    margin-bottom: 16px;
}

h2 {
    font-size: clamp(30px, 5vw, 48px);
    line-height: 1.12;
}

h3 {
    font-size: 24px;
    line-height: 1.24;
    margin-bottom: 10px;
}

h4 {
    font-size: 18px;
    line-height: 1.3;
}

p {
    font-size: 14px;
}

.section {
    position: relative;
    padding: 82px 0;
}

.section + .section {
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.section-head {
    display: grid;
    gap: 12px;
    margin-bottom: 30px;
}

.service-grid,
.related-grid,
.highlight-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-grid-four {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.value-grid,
.detail-grid,
.pricing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card p,
.panel p,
.metric-card p,
.info-card p,
.list li,
.check-list li {
    color: var(--muted);
}

.list,
.check-list {
    list-style: none;
    display: grid;
    gap: 10px;
    margin-top: 16px;
}

.list li,
.check-list li {
    position: relative;
    padding-left: 18px;
    font-size: 13px;
    line-height: 1.7;
}

.list li::before,
.check-list li::before {
    content: "・";
    position: absolute;
    left: 0;
    color: var(--gold);
}

.hero-side,
.page-hero-side {
    display: grid;
    gap: 16px;
}

.stacked-card {
    position: relative;
    padding: 24px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.stacked-card strong,
.metric-card strong,
.info-card strong {
    display: block;
    color: var(--gold);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.stacked-card h3 {
    font-size: 24px;
    margin-bottom: 8px;
}

.metric-stack {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-card {
    padding: 18px;
    border-radius: 18px;
    background: rgba(0, 0, 0, 0.22);
}

.metric-card span {
    color: var(--muted);
    font-size: 12px;
}

.inline-link {
    color: var(--gold);
}

.quote-shell {
    padding: 34px;
    background: linear-gradient(160deg, rgba(168, 85, 247, 0.14), rgba(255, 255, 255, 0.03));
    border-color: rgba(168, 85, 247, 0.24);
}

.quote-copy h2 {
    margin: 16px 0 12px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 20px;
}

.back-link::before {
    content: "←";
    color: var(--gold);
}

.kicker {
    color: var(--subtle);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
}

.price {
    font-size: 40px;
    line-height: 1;
    font-weight: 900;
    color: var(--gold);
    margin: 12px 0;
}

.price span {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.56);
    font-weight: 700;
}

.footer {
    padding: 24px 0 48px;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    color: var(--subtle);
    font-size: 13px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 18px;
}

.float-in {
    opacity: 0;
    transform: translateY(18px);
    animation: floatIn 0.75s ease forwards;
}

.delay-1 {
    animation-delay: 0.12s;
}

.delay-2 {
    animation-delay: 0.22s;
}

.delay-3 {
    animation-delay: 0.3s;
}

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.68s ease, transform 0.68s ease;
}

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

@keyframes floatIn {
    from {
        opacity: 0;
        transform: translateY(18px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1080px) {
    .hero-grid,
    .page-hero-grid,
    .cta-grid,
    .split-grid,
    .service-grid,
    .related-grid,
    .highlight-grid,
    .value-grid,
    .detail-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .metric-stack {
        grid-template-columns: 1fr;
    }

    .service-grid-four {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .site-header {
        position: static;
    }

    .header-inner,
    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .brand {
        display: none;
    }

    .header-inner {
        min-height: auto;
        padding: 12px 0;
    }

    .header-nav {
        width: 100%;
        flex-wrap: nowrap;
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 4px;
        scrollbar-width: none;
    }

    .header-nav::-webkit-scrollbar {
        display: none;
    }

    .hero,
    .page-hero {
        padding-top: 24px;
    }

    .hero-grid,
    .page-hero-grid,
    .cta-grid {
        padding: 28px;
    }

    .section {
        padding: 68px 0;
    }

    .hero-copy h1,
    .page-title,
    .cta-copy h2 {
        font-size: clamp(36px, 12vw, 54px);
    }

    .lead,
    .section-head p,
    .page-hero-copy p,
    .cta-copy p {
        font-size: 15px;
    }

    .button {
        width: 100%;
    }

    .nav-link {
        width: auto;
        flex: 0 0 auto;
        padding: 8px 12px;
        font-size: 12px;
    }

    .hero-actions,
    .button-row,
    .chip-row,
    .tag-row {
        align-items: stretch;
    }

    .service-grid-four {
        grid-template-columns: 1fr;
    }
}
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }
}