:root {
    color-scheme: light;
    --page: #f4f7f8;
    --surface: #ffffff;
    --surface-soft: #f8fafb;
    --ink: #1f2933;
    --muted: #667085;
    --line: #d6dee7;
    --line-strong: #b9c7d5;
    --blue: #245d83;
    --green: #087f5b;
    --amber: #b7791f;
    --shadow: 0 14px 30px rgba(30, 42, 54, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-width: 320px;
    background: var(--page);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
    font-size: 15px;
    letter-spacing: 0;
}

a {
    color: var(--blue);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

button,
input,
select {
    font: inherit;
}

.front-header {
    border-bottom: 1px solid var(--line);
    background: var(--surface);
}

.front-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    width: min(1360px, calc(100% - 32px));
    min-height: 72px;
    margin: 0 auto;
}

.front-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--ink);
}

.front-brand:hover {
    text-decoration: none;
}

.front-brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 8px;
    background: var(--blue);
    color: #ffffff;
    font-weight: 700;
}

.front-brand strong,
.front-brand small {
    display: block;
}

.front-brand small {
    margin-top: 2px;
    color: var(--muted);
    font-size: 12px;
}

.front-nav {
    display: flex;
    gap: 10px;
}

.front-nav a {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 7px 12px;
    color: var(--ink);
    font-weight: 700;
}

.front-main {
    width: min(1360px, calc(100% - 32px));
    margin: 0 auto;
    padding: 24px 0 44px;
}

.search-workbench {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.search-heading {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    border-bottom: 1px solid var(--line);
    padding: 20px 22px;
}

.front-kicker {
    margin: 0 0 6px;
    color: var(--blue);
    font-size: 12px;
    font-weight: 700;
}

.search-heading h1,
.asset-detail-info h1 {
    margin: 0;
    font-size: clamp(24px, 4vw, 34px);
    line-height: 1.25;
}

.result-count {
    align-self: center;
    color: var(--blue);
    font-size: 24px;
    font-weight: 700;
    white-space: nowrap;
}

.search-form {
    display: grid;
    grid-template-columns: minmax(260px, 1.5fr) repeat(4, minmax(150px, 1fr)) auto;
    gap: 12px;
    align-items: end;
    padding: 18px 22px 22px;
}

.search-main-field label,
.search-field label {
    display: block;
    margin-bottom: 6px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

.search-main-field input,
.search-field select {
    width: 100%;
    min-height: 42px;
    border: 1px solid var(--line-strong);
    border-radius: 8px;
    background: #ffffff;
    color: var(--ink);
    padding: 8px 10px;
}

.search-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.front-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    border: 1px solid var(--blue);
    border-radius: 8px;
    background: var(--blue);
    color: #ffffff;
    padding: 9px 14px;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
}

.front-button:hover {
    text-decoration: none;
    filter: brightness(0.96);
}

.front-button-secondary {
    background: #ffffff;
    color: var(--blue);
}

.result-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 18px 0 12px;
}

.front-pill,
.front-tag {
    display: inline-flex;
    align-items: center;
    min-height: 26px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface);
    color: var(--muted);
    padding: 4px 9px;
    font-size: 12px;
    font-weight: 700;
}

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

.asset-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.asset-card {
    min-width: 0;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.asset-card-image {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 4 / 3;
    background: #e9eef2;
    color: var(--muted);
    font-weight: 700;
}

.asset-card-image img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.asset-card-body {
    padding: 14px;
}

.asset-card-meta {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

.asset-card h2 {
    margin: 10px 0 0;
    font-size: 16px;
    line-height: 1.45;
}

.asset-card p {
    margin: 8px 0 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.6;
}

.tag-row {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.front-tag {
    background: var(--surface-soft);
}

.front-empty {
    grid-column: 1 / -1;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    color: var(--muted);
    padding: 34px;
    text-align: center;
}

.front-pagination {
    display: flex;
    justify-content: flex-end;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 18px;
}

.front-pagination a,
.front-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    min-height: 36px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    color: var(--ink);
    padding: 7px 10px;
}

.front-pagination .current {
    border-color: var(--blue);
    background: var(--blue);
    color: #ffffff;
}

.front-pagination .disabled {
    color: var(--muted);
    opacity: 0.55;
}

.detail-actions {
    margin-bottom: 14px;
}

.asset-detail {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.9fr);
    gap: 18px;
}

.asset-detail-media,
.asset-detail-info,
.file-strip {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.asset-detail-media {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 420px;
    padding: 16px;
    background:
        linear-gradient(45deg, #eef2f6 25%, transparent 25%),
        linear-gradient(-45deg, #eef2f6 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #eef2f6 75%),
        linear-gradient(-45deg, transparent 75%, #eef2f6 75%);
    background-color: #ffffff;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0;
    background-size: 20px 20px;
}

.asset-detail-media img {
    display: block;
    max-width: 100%;
    max-height: 620px;
    border-radius: 6px;
    box-shadow: 0 14px 32px rgba(27, 39, 51, 0.18);
    object-fit: contain;
}

.asset-detail-info {
    padding: 22px;
}

.detail-text {
    color: var(--ink);
    line-height: 1.8;
}

.notice-box {
    border: 1px solid #f2d69a;
    border-radius: 8px;
    background: #fff8e8;
    color: var(--amber);
    padding: 14px;
    line-height: 1.7;
}

.notice-box p {
    margin: 8px 0 0;
}

.taxonomy-groups {
    display: grid;
    gap: 14px;
    margin: 18px 0;
}

.taxonomy-groups h2,
.section-heading h2 {
    margin: 0;
    font-size: 15px;
}

.file-strip {
    margin-top: 18px;
    padding: 18px;
}

.section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
}

.file-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 10px;
}

.file-tile {
    min-width: 0;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface-soft);
    color: var(--ink);
    padding: 8px;
}

.file-tile:hover {
    text-decoration: none;
}

.file-tile img,
.file-tile > span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: 6px;
    background: #e9eef2;
    object-fit: cover;
    color: var(--muted);
    font-weight: 700;
}

.file-tile strong,
.file-tile small {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-tile strong {
    margin-top: 8px;
    font-size: 12px;
}

.file-tile small {
    margin-top: 3px;
    color: var(--muted);
    font-size: 11px;
}

@media (max-width: 1180px) {
    .search-form {
        grid-template-columns: 1fr 1fr 1fr;
    }

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

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

@media (max-width: 820px) {
    .front-header-inner,
    .front-main {
        width: min(100% - 24px, 1360px);
    }

    .search-heading,
    .result-toolbar,
    .asset-detail {
        grid-template-columns: 1fr;
    }

    .search-heading,
    .result-toolbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .search-form {
        grid-template-columns: 1fr;
    }

    .search-actions {
        justify-content: flex-start;
    }

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

    .asset-detail {
        display: grid;
    }

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

@media (max-width: 560px) {
    .front-header-inner {
        align-items: flex-start;
        flex-direction: column;
        padding: 12px 0;
    }

    .asset-grid,
    .file-grid {
        grid-template-columns: 1fr;
    }

    .asset-detail-media {
        min-height: 260px;
    }
}