:root {
    --bg: #ffffff;
    --black: #000000;
    --gray: #888888;
    --accent: #f2ff00;
    --grid-gap: 24px;
    --size-title: 18px;
    --size-manifesto: clamp(20px, 3.2vw, 34px);
    --size-body: 14.5px;
    --size-meta: 9px;
}

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

body {
    background: var(--bg);
    color: var(--black);
    font-family: 'Inter', 'Noto Sans SC', 'Noto Sans JP', sans-serif;
    font-size: var(--size-body);
    line-height: 1.5;
    padding: 64px 48px;
    -webkit-font-smoothing: antialiased;
}

/* --- POP-UP (award) --- */
#award-popup {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: var(--bg);
    z-index: 9999;
    overflow-y: auto;
    padding: 64px 48px;
    transition: opacity 0.5s ease;
    display: none;
    opacity: 0;
}

.popup-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    column-gap: var(--grid-gap);
    border: 1px solid var(--black);
    padding: 40px;
    position: relative;
    min-height: 80vh;
    align-content: start;
}

.close-btn {
    position: absolute;
    top: 24px; right: 24px;
    font-size: var(--size-meta);
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    border-bottom: 1px solid var(--black);
    z-index: 10;
    background: none;
    border-left: none; border-right: none; border-top: none;
}

.award-info { grid-column: 1 / span 12; margin-bottom: 32px; }
.award-badge {
    background: var(--accent);
    display: inline-block;
    padding: 4px 12px;
    font-size: var(--size-meta);
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 16px;
    letter-spacing: 0.05em;
}

.we-won-title {
    font-size: clamp(60px, 12vw, 160px);
    font-weight: 900;
    line-height: 0.8;
    letter-spacing: -0.04em;
    text-transform: uppercase;
    margin: 0;
}

.popup-video-container { grid-column: 1 / span 8; margin-bottom: 40px; }
.popup-video-container video { width: 100%; height: auto; display: block; }

.popup-text-content {
    grid-column: 9 / span 4;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.popup-text-content h2 {
    font-size: var(--size-title);
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 16px;
    border-top: 1px solid var(--black);
    padding-top: 16px;
}

.popup-text-content p { font-size: 13px; margin-bottom: 24px; max-width: 400px; }

.doc-links a {
    display: block;
    font-size: var(--size-meta);
    font-weight: 700;
    text-transform: uppercase;
    color: var(--black);
    text-decoration: none;
    border-bottom: 1px solid var(--black);
    padding-bottom: 4px;
    margin-bottom: 12px;
    width: fit-content;
    transition: 0.3s;
}
.doc-links a:hover { background: var(--black); color: #fff; }

/* --- BASE GRID --- */
.grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    column-gap: var(--grid-gap);
    max-width: 1400px;
    margin: 0 auto;
}

header {
    grid-column: 1 / span 12;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--black);
    padding-bottom: 8px;
    flex-wrap: wrap;
    gap: 16px;
}

h1 {
    font-size: var(--size-title);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: -0.01em;
}

.lang-switch {
    font-size: var(--size-meta);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 12px;
}

.lang-switch span,
.lang-switch a.nav-link { cursor: pointer; color: var(--gray); transition: 0.2s; text-decoration: none; }
.lang-switch span.active,
.lang-switch a.nav-link.active { color: var(--black); text-decoration: underline; text-underline-offset: 4px; }

.nav-divider { color: #ccc; }

/* Popup trigger / section-number style */
.lang-switch .trigger-popup,
.lang-switch a.nav-link {
    font-size: 1.05em;
    color: var(--black);
}
.lang-switch .trigger-popup:hover,
.lang-switch a.nav-link:hover { color: var(--accent); background: var(--black); }

.hero-video, .hero-image {
    grid-column: 1 / span 12;
    margin-bottom: 80px;
}
video { width: 100%; height: auto; display: block; filter: grayscale(100%); transition: filter 0.8s ease; }
.hero-video:hover video, .hero-image:hover img { filter: grayscale(0%); }
.hero-image img { width: 100%; height: auto; display: block; filter: grayscale(100%); transition: filter 0.8s ease; max-height: 640px; object-fit: cover; }

/* Landing hero triad */
.hero-triad {
    grid-column: 1 / span 12;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--grid-gap);
    margin-bottom: 80px;
}
.triad-tile { position: relative; display: block; text-decoration: none; color: var(--black); overflow: hidden; }
.triad-tile img { width: 100%; height: 420px; object-fit: cover; display: block; filter: grayscale(100%); transition: 0.5s ease; }
.triad-tile:hover img { filter: grayscale(0%); transform: scale(1.03); }
.triad-label {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: 16px;
    background: linear-gradient(to top, rgba(0,0,0,0.65), transparent);
    color: #fff;
    font-size: var(--size-meta);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.manifesto-text {
    grid-column: 1 / span 9;
    font-size: var(--size-manifesto);
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 80px;
}

.description-content { grid-column: 7 / span 6; margin-bottom: 100px; }
.description-content p { margin-bottom: 24px; }
.description-content strong { font-weight: 600; }

.meta-row {
    grid-column: 1 / span 12;
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    margin-bottom: 60px;
    border-top: 1px solid var(--black);
    padding-top: 16px;
}
.meta-item { font-size: var(--size-meta); text-transform: uppercase; }
.meta-item span { display: block; color: var(--gray); margin-bottom: 6px; }
.meta-item a { color: var(--black); }

.link-cta {
    display: inline-block;
    font-size: var(--size-meta);
    font-weight: 700;
    text-transform: uppercase;
    color: var(--black);
    text-decoration: none;
    border-bottom: 1px solid var(--black);
    padding-bottom: 4px;
    margin-bottom: 24px;
    transition: 0.3s;
}
.link-cta:hover { background: var(--black); color: #fff; }

.archive-grid {
    grid-column: 1 / span 12;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 48px var(--grid-gap);
    border-top: 1px solid var(--black);
    padding-top: 32px;
    margin-bottom: 120px;
}

.plate { flex: 1 1 calc(25% - var(--grid-gap)); min-width: 250px; }
.plate-img img { width: 100%; height: auto; display: block; filter: grayscale(100%); transition: 0.5s; }
.plate-img video { filter: grayscale(100%); transition: 0.5s; }
.plate:hover img, .plate:hover video { filter: grayscale(0%); }
.plate-label { font-size: var(--size-meta); font-weight: 600; text-transform: uppercase; color: var(--gray); border-top: 1px solid #eee; padding-top: 8px; }

footer {
    grid-column: 1 / span 12;
    border-top: 1px solid #eee;
    padding-top: 32px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--grid-gap);
}
.footer-col h4 { font-size: var(--size-meta); font-weight: 700; text-transform: uppercase; color: var(--gray); margin-bottom: 16px; }
.footer-col p, .footer-col a { font-size: 11px; text-transform: uppercase; text-decoration: none; color: var(--black); line-height: 1.6; }

.hidden { display: none; }

@media (max-width: 900px) {
    .grid { display: block; }
    .popup-inner { display: flex; flex-direction: column; padding: 20px; }
    .we-won-title { font-size: 80px; margin-bottom: 20px; }
    .popup-video-container { grid-column: 1 / -1; width: 100%; margin-bottom: 20px; }
    .popup-text-content { grid-column: 1 / -1; }

    .description-content { width: 100%; }
    .plate { flex: 1 1 100%; }
    .hero-triad { grid-template-columns: 1fr; }
    footer { grid-template-columns: 1fr 1fr; row-gap: 32px; }
}