:root {
    color-scheme: light;
    --ink: #111111;
    --paper: #fff7df;
    --white: #ffffff;
    --yellow: #ffe14d;
    --pink: #ff4fa3;
    --cyan: #33d7ff;
    --green: #4dff88;
    --shadow: 8px 8px 0 var(--ink);
    --border: 4px solid var(--ink);
    font-family:
        Arial, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    min-width: 320px;
    margin: 0;
    color: var(--ink);
    background:
        linear-gradient(90deg, rgba(17, 17, 17, 0.08) 1px, transparent 1px) 0
            0 / 34px 34px,
        linear-gradient(rgba(17, 17, 17, 0.08) 1px, transparent 1px) 0 0 / 34px
            34px,
        var(--paper);
}

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

button {
    font: inherit;
}

.page-shell {
    width: min(1180px, calc(100% - 28px));
    margin: 0 auto;
    padding: 18px 0 56px;
}

.site-header {
    position: sticky;
    top: 12px;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px;
    border: var(--border);
    background: var(--white);
    box-shadow: var(--shadow);
}

.brand {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 10px;
    font-weight: 950;
}

.brand-mark {
    border: 3px solid var(--ink);
    background: var(--yellow);
    padding: 8px 10px;
    box-shadow: 4px 4px 0 var(--ink);
    font-size: 0.88rem;
    font-weight: 950;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.6fr);
    gap: 28px;
    align-items: end;
    padding: 40px 0 28px;
}

.hero-copy {
    border: var(--border);
    background: var(--green);
    padding: clamp(24px, 5vw, 54px);
    box-shadow: 12px 12px 0 var(--ink);
}

.kicker {
    width: fit-content;
    margin: 0 0 16px;
    border: 3px solid var(--ink);
    background: var(--pink);
    padding: 8px 10px;
    box-shadow: 4px 4px 0 var(--ink);
    font-size: clamp(0.78rem, 2vw, 0.95rem);
    font-weight: 950;
}

h1,
h2,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 18px;
    font-size: clamp(3rem, 10vw, 7rem);
    line-height: 0.88;
    letter-spacing: 0;
}

.lead {
    max-width: 760px;
    margin-bottom: 22px;
    font-size: clamp(1.05rem, 2.5vw, 1.5rem);
    line-height: 1.65;
    font-weight: 900;
}

.button {
    display: inline-flex;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    border: var(--border);
    padding: 12px 18px;
    box-shadow: 6px 6px 0 var(--ink);
    color: var(--ink);
    font-weight: 950;
    cursor: pointer;
    transition:
        transform 140ms ease,
        box-shadow 140ms ease;
}

.button:hover,
.button:focus-visible {
    transform: translate(3px, 3px);
    box-shadow: 3px 3px 0 var(--ink);
}

.button.primary {
    background: var(--yellow);
}

.button.secondary {
    background: var(--white);
}

.event-card {
    position: relative;
    border: var(--border);
    background: var(--pink);
    padding: 28px 22px 22px;
    box-shadow: 12px 12px 0 var(--ink);
    transform: rotate(1.5deg);
}

.stamp {
    position: absolute;
    top: -24px;
    left: 18px;
    border: 3px solid var(--ink);
    background: var(--yellow);
    padding: 8px 12px;
    box-shadow: 4px 4px 0 var(--ink);
    font-weight: 950;
}

dl {
    display: grid;
    gap: 16px;
    margin: 0;
}

dt {
    margin-bottom: 4px;
    font-size: 0.78rem;
    font-weight: 950;
}

dd {
    margin: 0;
    border: 3px solid var(--ink);
    background: var(--white);
    padding: 12px;
    font-weight: 950;
}

.screen-section {
    padding: 10px 0 42px;
}

.screen-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 18px;
}

.screen-heading h2 {
    margin: 0;
    font-size: clamp(1.65rem, 6vw, 4.5rem);
    line-height: 0.95;
    text-align: right;
}

.video-frame {
    border: 6px solid var(--ink);
    background: var(--ink);
    box-shadow: 14px 14px 0 var(--pink);
}

.movie {
    display: block;
    width: 100%;
    max-height: min(78vh, 860px);
    aspect-ratio: 16 / 9;
    object-fit: contain;
    background: #000000;
}

@media (max-width: 860px) {
    .site-header,
    .screen-heading {
        align-items: stretch;
        flex-direction: column;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 30px 0 20px;
    }

    .event-card {
        transform: none;
    }

    .screen-heading h2 {
        text-align: left;
    }

    .movie {
        max-height: 70vh;
    }
}

@media (max-width: 520px) {
    .page-shell {
        width: min(100% - 18px, 1180px);
        padding-top: 10px;
    }

    .site-header {
        top: 8px;
        box-shadow: 5px 5px 0 var(--ink);
    }

    .brand {
        flex-wrap: wrap;
    }

    .hero-grid {
        padding: 22px 0 8px;
    }

    .hero-copy,
    .event-card {
        padding: 16px;
        box-shadow: 7px 7px 0 var(--ink);
    }

    .hero-copy h1 {
        margin-bottom: 12px;
        font-size: clamp(2.55rem, 15vw, 4.2rem);
    }

    .lead {
        margin-bottom: 14px;
        line-height: 1.55;
    }

    .button {
        width: 100%;
        min-height: 48px;
    }

    dl {
        gap: 8px;
    }

    dd {
        padding: 8px;
    }
}
.video-frame {
    position: relative;
    width: min(100%, 960px);
    aspect-ratio: 16 / 9;
    margin: 0 auto;
    overflow: hidden;
}

#youtubePlayer,
#youtubePlayer iframe,
.movie {
    width: 100%;
    height: 100%;
    display: block;
}

#youtubePlayer iframe {
    border: 0;
}
