:root {
    --bg: #0a0e27;
    --bg-alt: #101632;
    --card: #171c38;
    --line: rgba(255, 255, 255, 0.1);
    --text: #f4f5fb;
    --muted: #b7bdd6;
    --accent: #a5b4fc;
    --accent-strong: #818cf8;
    --live: #86efac;
    --live-bg: rgba(34, 197, 94, 0.16);
    --plan: #fcd34d;
    --plan-bg: rgba(245, 158, 11, 0.16);
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
    --radius: 22px;
    --nav: 76px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav) + 12px);
}

body {
    font-family: "Zen Kaku Gothic New", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", sans-serif;
    background:
        radial-gradient(900px 420px at 10% -10%, rgba(99, 102, 241, 0.22), transparent 60%),
        radial-gradient(700px 380px at 100% 0%, rgba(139, 92, 246, 0.16), transparent 55%),
        var(--bg);
    color: var(--text);
    line-height: 1.8;
    font-weight: 400;
}

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

a {
    color: var(--accent);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    left: 16px;
    top: 8px;
    transform: translateY(-160%);
    background: #fff;
    color: #111;
    padding: 8px 12px;
    z-index: 2000;
    border-radius: 8px;
}

.skip-link:focus {
    transform: none;
}

.container {
    width: min(1080px, calc(100% - 40px));
    margin: 0 auto;
}

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--nav);
    background: rgba(10, 14, 39, 0.88);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
}

.nav-container {
    width: min(1080px, calc(100% - 40px));
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    font-family: Outfit, "Zen Kaku Gothic New", sans-serif;
    font-weight: 800;
    font-size: 22px;
    letter-spacing: -0.04em;
    color: var(--text);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-link {
    color: var(--muted);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text);
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: transparent;
    padding: 0;
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.nav-toggle span:not(.sr-only) {
    display: block;
    width: 18px;
    height: 1.5px;
    background: var(--text);
}

.hero {
    padding: 72px 0 36px;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
    gap: 48px;
    align-items: center;
}

.eyebrow,
.kicker {
    font-family: Outfit, sans-serif;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 12px;
}

.hero-title {
    font-family: Outfit, "Zen Kaku Gothic New", sans-serif;
    font-size: clamp(46px, 7vw, 76px);
    line-height: 0.95;
    letter-spacing: -0.045em;
    font-weight: 800;
}

.hero-tagline {
    margin-top: 16px;
    color: var(--muted);
    font-size: 18px;
}

.hero-lead {
    margin-top: 18px;
    max-width: 38em;
    color: var(--muted);
    font-size: 16px;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 22px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;
    font-size: 15px;
    border: 1px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    box-shadow: 0 10px 28px rgba(99, 102, 241, 0.28);
}

.btn-primary:hover {
    transform: translateY(-1px);
}

.btn-secondary {
    color: var(--text);
    border-color: rgba(255, 255, 255, 0.28);
    background: rgba(255, 255, 255, 0.04);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
}

.hero-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    list-style: none;
    margin-top: 22px;
}

.hero-links a {
    color: var(--muted);
    text-decoration: none;
    font-size: 14px;
}

.hero-links a:hover {
    color: var(--text);
}

.hero-photo {
    margin: 0;
    border-radius: 28px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--line);
    aspect-ratio: 4 / 3;
}

.hero-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.quote-band {
    padding: 28px 0 8px;
}

.quote-band p {
    font-size: clamp(22px, 3vw, 30px);
    font-weight: 500;
    line-height: 1.6;
    letter-spacing: 0.02em;
}

.section {
    padding: 88px 0;
}

.section-alt {
    background: linear-gradient(180deg, rgba(16, 22, 50, 0.65), rgba(16, 22, 50, 0.2));
    border-block: 1px solid var(--line);
}

.section-title {
    font-size: clamp(30px, 4vw, 44px);
    line-height: 1.25;
    font-weight: 900;
    letter-spacing: 0.01em;
    margin-bottom: 14px;
}

.section-lead {
    max-width: 40em;
    color: var(--muted);
    margin-bottom: 36px;
}

.channel-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
}

.channel-card,
.library-card {
    display: flex;
    flex-direction: column;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    min-height: 100%;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.channel-card:hover,
.library-card:hover {
    transform: translateY(-4px);
    border-color: rgba(165, 180, 252, 0.45);
}

.channel-visual,
.library-visual {
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.channel-visual img,
.library-visual img,
.lane-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.channel-visual--cast img {
    object-position: center 28%;
}

.channel-body,
.library-body {
    padding: 22px 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.channel-label {
    color: var(--accent);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.channel-body h3,
.library-body h3,
.lane-head h3,
.story-card h3,
.spectrum-block h3,
.project-cta h3 {
    font-size: 24px;
    line-height: 1.35;
    font-weight: 900;
}

.channel-body p,
.library-body p,
.lane-copy p,
.plan-panel p,
.story-card p,
.project-cta p {
    color: var(--muted);
}

.channel-go {
    margin-top: auto;
    padding-top: 12px;
    color: var(--text);
    font-weight: 700;
    font-size: 14px;
}

.channel-go::after,
.text-link::after {
    content: " →";
}

.lane {
    margin-bottom: 28px;
}

.lane-layout {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 24px;
    align-items: center;
    margin-bottom: 26px;
}

.lane-visual {
    border-radius: 18px;
    overflow: hidden;
    aspect-ratio: 1;
    border: 1px solid var(--line);
}

.lane-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 14px;
    margin-bottom: 8px;
}

.badge {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.badge-live {
    color: var(--live);
    background: var(--live-bg);
}

.badge-plan {
    color: var(--plan);
    background: var(--plan-bg);
}

.music-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 16px;
}

.music-card {
    text-decoration: none;
    color: inherit;
}

.music-card:hover {
    transform: translateY(-3px);
}

.music-cover {
    position: relative;
    aspect-ratio: 1;
    border-radius: 14px;
    overflow: hidden;
    background: #0c1024;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
}

.music-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.music-play {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    background: rgba(0, 0, 0, 0.38);
    color: #fff;
    font-size: 28px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.music-card:hover .music-play,
.music-card:focus-visible .music-play {
    opacity: 1;
}

.music-title {
    margin-top: 10px;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.45;
    text-align: center;
}

.plan-panel {
    margin-top: 8px;
    padding: 28px;
    border-radius: var(--radius);
    border: 1px dashed rgba(252, 211, 77, 0.45);
    background: rgba(252, 211, 77, 0.05);
}

.plan-panel p {
    max-width: 42em;
}

.text-link {
    display: inline-block;
    margin-top: 12px;
    font-weight: 700;
    text-decoration: none;
}

.library-card {
    display: grid;
    grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.2fr);
}

.library-visual {
    aspect-ratio: auto;
    min-height: 240px;
}

.library-body {
    justify-content: center;
    padding: 36px;
}

.library-body h3 {
    font-family: Outfit, "Zen Kaku Gothic New", sans-serif;
    letter-spacing: -0.03em;
}

.story-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 18px;
}

.story-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px;
}

.story-point {
    color: var(--text) !important;
    font-weight: 700;
    margin: 8px 0 10px;
}

.activity-list {
    margin-top: 12px;
    padding-left: 1.15em;
    color: var(--muted);
}

.activity-list li + li {
    margin-top: 8px;
}

.activity-list a {
    font-weight: 700;
}

.spectrum-block {
    margin-top: 28px;
}

.spectrum-note {
    color: var(--muted);
    margin: 8px 0 16px;
    max-width: 40em;
}

.spectrum {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
}

.spectrum li {
    min-height: 148px;
    padding: 16px 10px 14px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: 6px;
    background:
        linear-gradient(180deg, color-mix(in srgb, var(--c) 55%, transparent), rgba(10, 14, 39, 0.2)),
        #14182f;
    border-top: 4px solid var(--c);
}

.spectrum li + li {
    border-left: 1px solid var(--line);
}

.spectrum-emotion {
    font-weight: 900;
    letter-spacing: 0.12em;
    font-size: 14px;
}

.spectrum-name {
    color: var(--muted);
    font-size: 12px;
}

.spectrum-cap {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    color: var(--muted);
    font-size: 13px;
}

.project-hero {
    margin: 0 0 28px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--line);
}

.project-hero img {
    width: 100%;
    height: auto;
}

.project-cta {
    margin-top: 28px;
    padding: 28px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.08));
    border: 1px solid rgba(165, 180, 252, 0.28);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.project-cta p {
    margin-top: 8px;
    max-width: 40em;
}

.about-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(220px, 0.6fr);
    gap: 36px;
    align-items: start;
}

.about-text p {
    color: var(--muted);
    margin-bottom: 16px;
}

.about-text .highlight {
    color: var(--text);
    font-weight: 700;
}

.about-side {
    display: grid;
    gap: 14px;
}

.stat-card,
.side-link {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 22px;
}

.stat-number {
    font-family: Outfit, "Zen Kaku Gothic New", sans-serif;
    font-size: 36px;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.1;
}

.stat-label {
    color: var(--muted);
    font-size: 13px;
    margin-top: 4px;
}

.side-link {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: var(--text);
}

.side-link span {
    color: var(--muted);
    font-size: 14px;
}

.side-link:hover {
    border-color: rgba(165, 180, 252, 0.45);
}

.footer {
    border-top: 1px solid var(--line);
    padding: 36px 0 48px;
}

.footer-inner {
    display: grid;
    gap: 16px;
}

.footer-brand {
    font-family: Outfit, sans-serif;
    font-weight: 800;
    letter-spacing: -0.04em;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    list-style: none;
}

.footer-links a {
    color: var(--muted);
    text-decoration: none;
    font-size: 14px;
}

.footer-links a:hover {
    color: var(--text);
}

.footer-copy {
    color: var(--muted);
    font-size: 13px;
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

@media (max-width: 900px) {
    .hero-grid,
    .channel-grid,
    .story-grid,
    .library-card,
    .about-layout,
    .lane-layout {
        grid-template-columns: 1fr;
    }

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

    .project-cta {
        flex-direction: column;
        align-items: flex-start;
    }

    .library-visual,
    .lane-visual {
        aspect-ratio: 16 / 9;
        min-height: 0;
    }

    .spectrum {
        grid-template-columns: 1fr;
    }

    .spectrum li {
        min-height: 0;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 12px 16px;
    }

    .spectrum li + li {
        border-left: 0;
        border-top: 1px solid var(--line);
    }
}

@media (max-width: 980px) {
    .nav-menu {
        gap: 16px;
    }

    .nav-link {
        font-size: 14px;
    }
}

@media (max-width: 860px) {
    .nav-toggle {
        display: inline-flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: var(--nav);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 8px 20px 16px;
        background: #0b1028;
        border-bottom: 1px solid var(--line);
        z-index: 30;
        box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
    }

    .nav-menu.is-open {
        display: flex;
    }

    .nav-link {
        padding: 12px 0;
        border-top: 1px solid var(--line);
        font-size: 15px;
    }
}

@media (max-width: 720px) {
    .hero {
        padding-top: 36px;
    }

    .section {
        padding: 64px 0;
    }

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

    .plan-panel,
    .story-card,
    .project-cta,
    .library-body {
        padding: 22px;
    }
}

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

    .channel-card,
    .library-card,
    .music-card,
    .btn-primary {
        transition: none;
    }
}
