/* Hada.Org shared presentation. Background images never contain the web labels. */

body {
    background-color: var(--site-bg);
    background-image:
        linear-gradient(
            135deg,
            var(--site-image-overlay-start) 0%,
            var(--site-image-overlay-mid) 48%,
            var(--site-image-overlay-end) 100%
        ),
        url("/assets/images/hada-org-home.jpg");
    background-attachment: fixed;
    background-position: center top;
    background-repeat: no-repeat;
    background-size: cover;
    color: var(--site-text);
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        "Noto Sans JP",
        "Hiragino Kaku Gothic ProN",
        "Yu Gothic",
        Meiryo,
        sans-serif;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

body[data-logical-page="archive"],
body[data-logical-page="gallery"] {
    background-image:
        linear-gradient(
            135deg,
            var(--site-image-overlay-start) 0%,
            var(--site-image-overlay-mid) 48%,
            var(--site-image-overlay-end) 100%
        ),
        url("/assets/images/hada-org-archive.jpg");
}

a {
    color: inherit;
}

.page {
    width: min(calc(100% - 44px), 820px);
    margin: 0 auto;
    padding: 34px 0 52px;
}

.site-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 2rem;
    margin-bottom: 24px;
}

.site-wordmark {
    color: var(--site-text);
    font-size: max(var(--font-min-size, 1rem), 0.78rem);
    font-weight: 720;
    letter-spacing: 0.1em;
    text-decoration: none;
}

.site-wordmark:hover,
.site-wordmark:focus-visible {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.site-display-controls {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.7rem;
    min-height: 1.8rem;
    padding: 0;
    color: var(--site-text-muted);
    font-size: max(var(--font-min-size, 1rem), 0.76rem);
}

.site-display-controls[hidden] {
    display: none;
}

.site-display-controls button {
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--site-text-muted);
    font: inherit;
    cursor: pointer;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

.site-display-controls button:hover,
.site-display-controls button:focus-visible {
    color: var(--site-accent);
}

.site-header,
.site-note,
.site-footer,
.gallery-intro {
    background: var(--site-surface);
    border: 1px solid var(--site-border);
    border-radius: 12px;
}

.site-header {
    padding: 32px 32px 36px;
}

.label {
    margin: 0 0 18px;
    color: var(--site-text-muted);
    font-size: max(var(--font-min-size, 1rem), 0.76rem);
    font-weight: 650;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

h1 {
    margin: 0;
    color: var(--site-text);
    font-size: clamp(3rem, 9vw, 5.2rem);
    font-weight: 700;
    letter-spacing: -0.055em;
    line-height: 0.98;
}

.intro {
    max-width: 650px;
    margin: 28px 0 0;
    color: var(--site-text-soft);
    font-size: 1rem;
}

.intro-en {
    margin-top: 10px;
    color: var(--site-text-muted);
    font-size: max(var(--font-min-size, 1rem), 0.9rem);
}

.content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 16px;
}

.card,
.gallery-card {
    min-height: 172px;
    padding: 25px 26px 24px;
    background: var(--site-surface-strong);
    border: 1px solid var(--site-border);
    border-radius: 12px;
    color: var(--site-text);
    text-decoration: none;
    transition:
        transform 0.18s ease,
        border-color 0.18s ease,
        box-shadow 0.18s ease;
}

.card:hover,
.card:focus-visible,
.gallery-card:hover,
.gallery-card:focus-visible {
    transform: translateY(-3px);
    border-color: var(--site-border-strong);
    box-shadow: 0 8px 24px var(--site-shadow);
}

.card-number,
.card-year,
.archive-count {
    color: var(--site-text-muted);
    font-family:
        ui-monospace,
        SFMono-Regular,
        Menlo,
        Monaco,
        Consolas,
        monospace;
    font-size: max(var(--font-min-size, 1rem), 0.72rem);
    letter-spacing: 0.08em;
}

.card-number {
    display: block;
    margin-bottom: 22px;
}

.card h2,
.card h3,
.gallery-card h2 {
    margin: 0;
    font-size: 1.08rem;
    font-weight: 680;
    letter-spacing: -0.01em;
}

.card p,
.gallery-card p {
    margin: 8px 0 0;
    color: var(--site-text-muted);
    font-size: max(var(--font-min-size, 1rem), 0.84rem);
    line-height: 1.65;
}

.archive-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin: 44px 0 16px;
}

.archive-header h2,
.site-note h2 {
    margin: 0;
    color: var(--site-text);
    font-size: max(var(--font-min-size, 1rem), 0.82rem);
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 22px;
}

.card-top .card-number,
.card-top .card-year {
    margin: 0;
}

.site-note {
    margin-top: 48px;
    padding: 25px 28px;
    border-left: 3px solid var(--site-accent);
}

.site-note p {
    margin: 8px 0 0;
    color: var(--site-text-muted);
    font-size: max(var(--font-min-size, 1rem), 0.88rem);
}

.site-note p + p {
    margin-top: 8px;
}

.home-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin: 0 0 28px;
    color: var(--site-text-muted);
    font-size: max(var(--font-min-size, 1rem), 0.78rem);
    font-weight: 650;
    letter-spacing: 0.08em;
    text-decoration: none;
}

.home-link:hover,
.home-link:focus-visible {
    color: var(--site-text);
}

.home-link span {
    font-size: 1rem;
    line-height: 1;
}

.back-home {
    display: flex;
    justify-content: center;
    margin-top: 56px;
}

.back-home a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 18px;
    background: var(--site-surface-strong);
    border: 1px solid var(--site-border);
    border-radius: 8px;
    color: var(--site-text);
    font-size: max(var(--font-min-size, 1rem), 0.82rem);
    font-weight: 650;
    text-decoration: none;
}

.back-home a:hover,
.back-home a:focus-visible {
    border-color: var(--site-border-strong);
    transform: translateY(-2px);
}

.site-footer {
    margin-top: 56px;
    padding: 24px 28px;
    color: var(--site-text-muted);
    font-size: max(var(--font-min-size, 1rem), 0.76rem);
}

.site-footer p {
    margin: 0;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem 0.7rem;
    margin-top: 10px;
}

.site-footer a {
    color: inherit;
    text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus-visible {
    color: var(--site-text);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.site-brand-links {
    position: fixed;
    left: max(14px, env(safe-area-inset-left));
    bottom: max(14px, env(safe-area-inset-bottom));
    z-index: 10;
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.4rem 0.7rem;
    background: var(--site-surface-strong);
    border: 1px solid var(--site-border);
    border-radius: 999px;
    box-shadow: 0 5px 16px var(--site-shadow);
    color: var(--site-text-muted);
    font-size: max(var(--font-min-size, 1rem), 0.7rem);
    letter-spacing: 0.08em;
}

.site-brand-links a {
    color: inherit;
    text-decoration: none;
}

.site-brand-links a:hover,
.site-brand-links a:focus-visible {
    color: var(--site-text);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.gallery-intro {
    margin-top: 16px;
    padding: 24px 28px;
}

.gallery-intro p {
    margin: 8px 0 0;
    color: var(--site-text-muted);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 16px;
}

.gallery-card {
    display: block;
    min-height: 0;
    padding: 0 0 20px;
    overflow: hidden;
}

.gallery-card img {
    display: block;
    width: 100%;
    aspect-ratio: 3 / 2;
    object-fit: cover;
    border-bottom: 1px solid var(--site-border);
}

.gallery-card h2,
.gallery-card p {
    margin-left: 22px;
    margin-right: 22px;
}

.gallery-card h2 {
    margin-top: 18px;
}

.gallery-detail {
    margin-top: 16px;
    padding: 28px;
    background: var(--site-surface);
    border: 1px solid var(--site-border);
    border-radius: 12px;
}

.gallery-detail-copy {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 22px;
}

.gallery-detail-copy h1 {
    margin: 0;
    color: var(--site-text);
    font-size: clamp(1.7rem, 4vw, 2.4rem);
    font-weight: 650;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.gallery-detail-copy p,
.gallery-detail-description {
    color: var(--site-text-muted);
}

.gallery-detail-copy p {
    margin: 0;
}

.gallery-detail-image {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid var(--site-border);
}

.gallery-detail-description {
    margin: 20px 0 0;
}

.gallery-detail-back {
    display: inline-block;
    margin-bottom: 18px;
    color: var(--site-link);
    text-decoration: none;
}

.gallery-detail-back:hover,
.gallery-detail-back:focus-visible {
    color: var(--site-accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.gallery-card p {
    margin-bottom: 0;
}

html[data-theme="dark"] .site-display-controls button,
html[data-theme="dark"] .site-footer,
html[data-theme="dark"] .site-note p,
html[data-theme="dark"] .intro,
html[data-theme="dark"] .intro-en,
html[data-theme="dark"] .card p,
html[data-theme="dark"] .gallery-card p,
html[data-theme="dark"] .gallery-intro p {
    color: var(--site-text-muted);
}

@media (max-width: 640px) {
    .page {
        width: min(calc(100% - 28px), 820px);
        padding-top: 24px;
    }

    .site-topbar {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
        margin-bottom: 18px;
    }

    .site-display-controls {
        justify-content: flex-start;
        gap: 0.55rem;
        font-size: max(var(--font-min-size, 1rem), 0.7rem);
    }

    .site-header {
        padding: 25px 22px 28px;
    }

    .intro {
        font-size: max(var(--font-min-size, 1rem), 0.94rem);
    }

    .content,
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .card {
        min-height: auto;
        padding: 22px 23px;
    }

    .archive-header {
        margin-top: 36px;
    }

    .site-note,
    .gallery-intro {
        padding: 22px;
    }

    .gallery-detail {
        padding: 22px;
    }

    .gallery-detail-copy {
        align-items: flex-start;
        flex-direction: column;
    }

    .site-footer {
        margin-top: 46px;
        padding: 22px;
    }

    .site-brand-links {
        font-size: max(var(--font-min-size, 1rem), 0.66rem);
    }
}