:root {
    color-scheme: light;
    --ink: #201916;
    --muted: #695f59;
    --paper: #f7f0e4;
    --sheet: #fffaf1;
    --line: #ded0c0;
    --yellow: #f4c915;
    --teal: #31ada3;
    --red: #df594d;
    --shadow: 0 14px 42px rgba(38, 27, 19, .13);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", system-ui, sans-serif;
    background:
        linear-gradient(90deg, rgba(32, 25, 22, .035) 1px, transparent 1px) 0 0 / 28px 28px,
        linear-gradient(0deg, rgba(32, 25, 22, .028) 1px, transparent 1px) 0 0 / 28px 28px,
        var(--paper);
    color: var(--ink);
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid rgba(32, 25, 22, .12);
    background: rgba(247, 240, 228, .86);
    backdrop-filter: blur(16px);
}

.topbar-inner {
    width: calc(100% - 18px);
    min-height: 58px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 0 auto;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--ink);
    font-family: "Arial Black", sans-serif;
    font-size: 24px;
    font-weight: 900;
    text-decoration: none;
}

.brand-logo {
    height: 38px;
}

.container {
    display: grid;
    place-items: center;
    padding: 24px 12px;
}

.panel {
    position: relative;
    width: min(1200px, 100%);
    display: grid;
    grid-template-columns: minmax(0, 1fr) 380px;
    border: 3px solid var(--ink);
    border-radius: 8px;
    background: var(--sheet);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.art {
    display: grid;
    place-items: center;
    background: #efe7da;
    padding: 20px;
}

.art img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

.side {
    padding: 24px;
    border-left: 3px solid var(--ink);
    display: grid;
    gap: 16px;
    align-content: start;
}

.title {
    margin: 0;
    font-size: 24px;
    font-weight: 900;
}

.file {
    font-size: 14px;
    color: var(--muted);
    margin: 0;
}

.tag {
    display: inline-flex;
    padding: 4px 8px;
    border: 1px solid var(--line);
    border-radius: 4px;
    font-size: 12px;
    font-weight: 800;
}

.desc {
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

.creator-wrap {
    display: flex;
    gap: 4px;
    align-items: center;
    font-size: 13px;
    font-weight: 900;
}

.creator-link {
    color: var(--ink);
    text-decoration: underline;
}

.rights {
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: rgba(255, 250, 241, .78);
    font-size: 12px;
}

.rights-text {
    margin: 0 0 4px;
    color: var(--muted);
}

.agree {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 800;
    cursor: pointer;
    margin-top: 8px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 48px;
    border: 2px solid var(--ink);
    border-radius: 6px;
    background: var(--ink);
    color: #fff;
    font-weight: 900;
    text-decoration: none;
    cursor: pointer;
}

.button.secondary {
    background: #fff;
    color: var(--ink);
}

.button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.actions {
    display: grid;
    gap: 10px;
}

.share-actions {
    margin-top: 8px;
    display: flex;
    gap: 12px;
}

.netprint-links {
    margin-top: 4px;
    display: grid;
    gap: 2px;
    font-size: 13px;
}

.netprint-title {
    font-weight: 800;
    color: var(--muted);
}

.netprint-link-item {
    display: flex;
    gap: 2px;
    font-weight: 800;
}

.netprint-bullet {
    color: var(--ink);
}

.netprint-link {
    color: var(--ink);
    text-decoration: underline;
}

.share-actions {
    display: flex;
    gap: 12px;
}

.share-icon {
    width: 32px;
    height: 32px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 12px;
    font-weight: 800;
    text-decoration: none;
    font-size: 14px;
}

.section-title {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 800;
}

.variant-list {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 16px;
    align-items: flex-start;
}

.variant-thumb {
    width: 72px;
    height: auto;
    border: 2px solid var(--ink);
    border-radius: 6px;
    cursor: pointer;
    background: var(--sheet);
    transition: transform 0.1s;
}

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

@media (max-width: 800px) {
    .panel {
        grid-template-columns: 1fr;
    }

    .side {
        border-left: 0;
        border-top: 3px solid var(--ink);
    }
}