/* HADA.BIZ shared presentation — Phase 1+ */

/* Site roles: .site-gateway (/) | .locale-jp (/jp/) | .locale-en (/en/) */

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-y: scroll;
}

body {
    margin: 0;
    background-color: #ffffff;
    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-biz-top.jpg");
    background-attachment: fixed;
    background-position: center top;
    background-repeat: no-repeat;
    background-size: cover;
    color: #111111;
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        "Hiragino Kaku Gothic ProN",
        "Yu Gothic",
        Meiryo,
        sans-serif;
    line-height: 1.75;
}

a {
    color: inherit;
}

body[data-logical-page^="services"] {
    background-image: none;
}

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

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

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

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

.page {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 34px;
}

body[data-logical-page^="services"] .page {
    position: relative;
    z-index: 1;
}

body[data-logical-page^="services"] .page-background-visual {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-position: center 40%;
    background-repeat: no-repeat;
    background-size: cover;
    opacity: 0.24;
}

html[data-theme="dark"] body[data-logical-page^="services"] .page-background-visual {
    opacity: 0.15;
    filter: brightness(0.72) saturate(0.72);
}

:root {
    --site-bg: #ffffff;
    --site-surface: rgba(255, 255, 255, 0.66);
    --site-surface-strong: rgba(255, 255, 255, 0.80);
    --site-text: #111111;
    --site-text-muted: #555555;
    --site-text-soft: #666666;
    --site-border: rgba(220, 220, 220, 0.84);
    --site-border-strong: rgba(17, 17, 17, 0.72);
    --site-link: #111111;
    --site-accent: #d60000;
    --site-image-overlay-start: rgba(255, 255, 255, 0.38);
    --site-image-overlay-mid: rgba(255, 255, 255, 0.12);
    --site-image-overlay-end: rgba(255, 255, 255, 0.34);
    --site-shadow: rgba(0, 0, 0, 0.14);
    --header-inner-gutter: 34px;
    --card-radius: 5px;
    --card-shadow-x: 4px;
    --card-shadow-y: 4px;
    --card-shadow-blur: 8px;
    --card-shadow-color: rgba(0, 0, 0, 0.14);
    --card-hover-rise: -3px;
    --card-hover-shadow-x: 7px;
    --card-hover-shadow-y: 7px;
    --card-hover-shadow-blur: 14px;
    --card-active-offset: 1px;
    --card-transition-duration: 30ms;
}

header {
    min-height: auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    border-bottom: 1px solid #111111;
    padding: 18px 0 12px;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(220, 220, 220, 0.82);
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 64px;
    padding-inline: var(--header-inner-gutter);
}

.header-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.2rem;
}

.brand {
    margin: 0;
    font-size: 1.65rem;
    font-weight: 600;
    letter-spacing: 0.08em;
}

.brand .dot {
    color: #d60000;
}

.location {
    font-size: 1rem;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    color: #555555;
}

.site-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0 0;
    padding-inline: var(--header-inner-gutter);
    margin-top: 5px;
    border-top: 1px solid #eeeeee;
    font-size: 1rem;
}

body[data-logical-page="contact"] {
    background-image:
        linear-gradient(135deg, var(--site-image-overlay-start), var(--site-image-overlay-mid) 48%, var(--site-image-overlay-end)),
        url("/assets/images/web/hada-biz-background-contact-v1.jpg");
}

.site-nav-stack {
    width: 100%;
}

.site-nav-primary {
    width: 100%;
}

.site-nav-secondary {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 16px;
    min-height: 2rem;
    padding: 6px var(--header-inner-gutter) 8px;
    color: #555555;
    font-size: 0.98rem;
}

.site-nav-secondary a {
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
}

.site-nav-secondary [aria-current="page"] {
    color: #111111;
    text-decoration: none;
}

.site-nav-empty-secondary {
    min-height: 0.45rem;
}

.site-breadcrumbs {
    margin: 14px 0 0;
    padding: 0 var(--header-inner-gutter);
    color: #666666;
    font-size: 0.98rem;
}

.site-breadcrumbs ol {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-breadcrumbs li + li::before {
    content: "/";
    margin-right: 0.35rem;
    color: #bbbbbb;
}

.site-breadcrumbs [aria-current="page"] {
    color: #111111;
}

.site-nav a {
    text-decoration: none;
    transition: color 0.2s ease;
}

.site-nav a:hover,
.lang-switch a:hover {
    color: #d60000;
}

.site-nav a[aria-current="page"] {
    font-weight: 400;
    text-decoration: none;
}

.site-nav-links [aria-current="page"] {
    font-weight: 400;
    text-decoration: none;
}

.site-nav-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 20px;
}

.site-nav-links a {
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
}

.site-nav-links .nav-sep {
    color: #cccccc;
    user-select: none;
}

.lang-switch a[aria-current="page"] {
    font-weight: 400;
}

.lang-sep {
    margin: 0 10px;
    color: #999999;
}

.site-nav-label {
    color: #555555;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 1rem;
}

.brand-link {
    text-decoration: none;
    color: inherit;
}

.brand-link:hover .dot {
    color: #d60000;
}

.hero {
    margin: 28px 0 24px;
    padding: 42px 34px 38px;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(220, 220, 220, 0.84);
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
}

.eyebrow {
    margin: 0 0 12px;
    color: #d60000;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.hero h1 {
    max-width: 100%;
    margin: 0;
    font-size: clamp(2.4rem, 5vw, 4.7rem);
    line-height: 1.08;
    font-weight: 500;
    letter-spacing: -0.025em;
}

.hero h1 span {
    display: block;
    margin-top: 12px;
    font-size: max(1rem, 0.47em);
    line-height: 1.35;
    font-weight: 400;
    letter-spacing: 0.01em;
}

@media (min-width: 960px) {
    body[data-logical-page="index"] .hero h1 {
        max-width: 100%;
        font-size: clamp(2.2rem, 3.4vw, 3.3rem);
        white-space: normal;
        overflow-wrap: break-word;
    }
}

.hero-copy {
    max-width: 700px;
    margin: 20px 0 0;
    color: #444444;
    font-size: 1.02rem;
}

/* Page illustrations are deliberately concrete, compact, and page-specific.
   The hero remains the content container; the illustration occupies a stable
   upper-right column so it never becomes an unrelated background pattern. */
.hero--illustrated {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(10rem, 16rem);
    column-gap: clamp(1.25rem, 3vw, 2.5rem);
    align-items: start;
}

.hero--illustrated .page-illustration {
    grid-column: 2;
    grid-row: 1 / span 8;
    width: 100%;
    max-width: none;
    margin: 0;
    align-self: start;
}

.hero--illustrated .page-illustration img {
    display: block;
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border: 1px solid var(--site-border);
    border-radius: 0.35rem;
    box-shadow: 10px 10px 0 rgba(20, 24, 30, 0.08);
}

.hero--illustrated .page-illustration figcaption {
    margin-top: 0.6rem;
    color: var(--site-text-muted);
    font-size: 0.9rem;
    line-height: 1.45;
}

.gallery-category-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.gallery-category-card {
    display: block;
    min-height: 10rem;
    padding: 24px;
    border: 1px solid var(--site-border);
    border-radius: 0.35rem;
    background: var(--site-surface-strong);
    color: var(--site-text);
    text-decoration: none;
}

.gallery-category-card h2 {
    margin: 0 0 0.75rem;
}

.gallery-category-card p {
    color: var(--site-text-muted);
}

.gallery-category-card span {
    display: inline-block;
    margin-top: 0.75rem;
    text-decoration: underline;
    text-underline-offset: 4px;
}

.media-library .items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.media-library .items > a,
.media-library .items > figure {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    min-width: 0;
    padding: 12px;
    border: 1px solid var(--site-border);
    border-radius: 0.35rem;
    background: var(--site-surface-strong);
    color: var(--site-text);
    text-decoration: none;
}

.media-library .items img {
    display: block;
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.media-library .items span,
.media-library .items figcaption {
    color: var(--site-text-muted);
    font-size: 1rem;
}

.media-library .nav {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin: 1rem 0;
}

.media-library .nav a {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.media-library .spread,
.media-library figure {
    max-width: 100%;
}

.media-library .spread img,
.media-library figure img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 72vh;
    object-fit: contain;
    margin-inline: auto;
}

.bilingual {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
    margin: 24px 0;
}

.language {
    min-width: 0;
    padding: 28px 30px 32px;
    background: var(--site-surface-strong);
    border: 1px solid var(--site-border);
}

.language + .language {
    border-left: 1px solid var(--site-border);
}

.language-choice {
    display: inline-block;
    margin: 0 0 24px;
    padding: 7px 14px;
    border: 1px solid var(--site-border-strong);
    color: var(--site-text);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-decoration: none;
    transition: color 30ms ease, background-color 30ms ease, border-color 30ms ease;
}

.language-choice:hover,
.language-choice:focus-visible {
    color: var(--site-accent);
    border-color: var(--site-accent);
    background: var(--site-surface-strong);
}

.language h2 {
    margin: 0 0 18px;
    font-size: 1.35rem;
    font-weight: 500;
    letter-spacing: 0.01em;
}

.language p {
    margin: 0 0 24px;
    color: var(--site-text-muted);
}

.content-block {
    margin: 24px 0;
    padding: 34px 34px 38px;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid rgba(220, 220, 220, 0.84);
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
}

.content-block h2 {
    margin: 0 0 18px;
    font-size: 1.45rem;
    font-weight: 500;
    letter-spacing: 0.01em;
}

.content-block p {
    margin: 0 0 24px;
    color: #333333;
}

.change-list {
    padding-left: 1.2rem;
}

.status-new,
.status-updated {
    display: inline-block;
    margin-right: 0.45rem;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.06em;
}

.status-new {
    color: #b00000;
}

.status-updated {
    color: #8a6500;
}

.services {
    display: flex;
    flex-wrap: wrap;
    gap: 9px 22px;
    margin-top: 30px;
    padding-top: 24px;
    border-top: 1px solid #eeeeee;
    font-size: 1rem;
    color: #222222;
}

.services span::before {
    content: "—";
    margin-right: 8px;
    color: #d60000;
}

.section {
    margin: 24px 0;
    padding: 34px 34px 38px;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid rgba(220, 220, 220, 0.84);
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
}

.section-heading {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    margin-bottom: 26px;
}

.section-heading h2 {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 500;
    letter-spacing: 0.05em;
}

.section-heading p {
    margin: 0;
    color: #444444;
}

.background {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid #111111;
    border-bottom: 1px solid #111111;
}

.experience {
    min-height: 135px;
    padding: 25px 22px;
}

.experience + .experience {
    border-left: 1px solid #dddddd;
}

.experience strong {
    display: block;
    font-size: 1rem;
    font-weight: 600;
}

.experience small {
    display: block;
    margin-top: 7px;
    color: #666666;
    font-size: 1rem;
    line-height: 1.55;
}

.person {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    align-items: start;
}

.person-name {
    font-size: 1.45rem;
    font-weight: 500;
}

.person-role {
    margin-top: 4px;
    color: #666666;
    font-size: 1rem;
}

.person-copy {
    margin: 0;
    color: #333333;
}

.external-link {
    display: inline-block;
    margin-top: 20px;
    margin-right: 24px;
    padding-bottom: 3px;
    border-bottom: 1px solid #111111;
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.external-link:hover {
    color: #d60000;
    border-color: #d60000;
}

.ui-card--interactive {
    border-radius: var(--card-radius);
    transition:
        transform var(--card-transition-duration) ease,
        box-shadow var(--card-transition-duration) ease,
        border-color var(--card-transition-duration) ease;
    box-shadow:
        var(--card-shadow-x)
        var(--card-shadow-y)
        var(--card-shadow-blur)
        var(--card-shadow-color);
}

@media (hover: hover) and (pointer: fine) {
    .ui-card--interactive:hover {
        transform: translateY(var(--card-hover-rise));
        box-shadow:
            var(--card-hover-shadow-x)
            var(--card-hover-shadow-y)
            var(--card-hover-shadow-blur)
            var(--card-shadow-color);
    }
}

.ui-card--interactive:active {
    transform: translateY(var(--card-active-offset));
    box-shadow: 0 0 0 transparent;
}

.ui-card--interactive:focus-within {
    outline: 2px solid currentColor;
    outline-offset: 4px;
}

@media (prefers-reduced-motion: reduce) {
    .ui-card--interactive {
        transition: none;
    }

    .ui-card--interactive:hover,
    .ui-card--interactive:active {
        transform: none;
    }
}

footer {
    margin-top: 28px;
    padding: 30px 34px 36px;
    display: block;
    color: #555555;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(220, 220, 220, 0.84);
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
}

footer .copyright {
    color: #222222;
}

.footer-row {
    display: flex;
    justify-content: space-between;
    width: 100%;
    gap: 36px;
    padding-bottom: 18px;
    border-bottom: 1px solid #eeeeee;
}

.footer-related,
.footer-attribution {
    width: 100%;
    color: #888888;
}

.footer-related {
    margin-top: 16px;
    font-size: 1rem;
}

.footer-attribution {
    margin-top: 12px;
    font-size: 1rem;
}

.footer-related a,
.footer-attribution a {
    margin: 0;
}

.footer-attribution .nav-sep {
    display: inline-block;
    margin: 0 0.7rem;
    color: #bbbbbb;
}

.footer-related a,
.footer-attribution a {
    text-decoration: none;
}

.footer-related a:hover,
.footer-attribution a:hover {
    color: #d60000;
}

.footer-sep {
    display: inline-block;
    margin: 0 0.65rem;
    color: #bbbbbb;
}

@media (max-width: 700px) {
    .footer-row {
        align-items: flex-start;
        flex-direction: column;
        gap: 6px;
    }
}

/* --- Profile page --- */

.profile-name {
    margin: 0;
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 500;
    letter-spacing: 0.02em;
}

.profile-title {
    margin: 12px 0 0;
    color: #444444;
    font-size: 1rem;
    line-height: 1.5;
}

.experience-list {
    border-top: 1px solid #111111;
}

.experience-item {
    padding: 20px 0;
    border-bottom: 1px solid #dddddd;
}

.experience-item h3 {
    margin: 0 0 4px;
    font-size: 1.02rem;
    font-weight: 600;
}

.experience-item .exp-role {
    margin: 0 0 6px;
    color: #333333;
    font-size: 1rem;
    font-weight: 500;
}

.experience-item .exp-meta {
    margin: 0 0 10px;
    color: #666666;
    font-size: 1rem;
}

.experience-item p {
    margin: 0;
    color: #444444;
    font-size: 1rem;
    line-height: 1.65;
}

.repo-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.repo-card {
    padding: 18px 20px;
    border: 1px solid #dddddd;
    background: rgba(255, 255, 255, 0.88);
}

.repo-card h3 {
    margin: 0 0 8px;
    font-size: 1.05rem;
    font-weight: 500;
}

.repo-card p {
    margin: 0;
    color: #444444;
    font-size: 1rem;
    line-height: 1.65;
}

.repo-card a {
    display: inline-block;
    margin-top: 8px;
    font-size: 1rem;
    text-decoration: none;
    border-bottom: 1px solid #111111;
    padding-bottom: 2px;
}

.repo-card a:hover {
    color: #d60000;
    border-color: #d60000;
}

.patent-block {
    padding: 24px 0;
    border-top: 1px solid #111111;
    border-bottom: 1px solid #dddddd;
}

.patent-block h3 {
    margin: 0 0 8px;
    font-size: 1rem;
    font-weight: 600;
}

.patent-block p {
    margin: 0 0 6px;
    color: #444444;
    font-size: 1rem;
}

.patent-note {
    margin-top: 10px;
    color: #666666;
    font-size: 1rem;
}

.showcase-note {
    margin: 0;
    padding: 20px 22px;
    border-left: 3px solid #d60000;
    background: #fafafa;
    color: #444444;
    font-size: 1rem;
    line-height: 1.65;
}

@media (max-width: 760px) {
    body[data-logical-page^="services"] .page-background-visual {
        background-position: 64% top;
        opacity: 0.16;
    }

    html[data-theme="dark"] body[data-logical-page^="services"] .page-background-visual {
        opacity: 0.10;
    }
    .footer-row {
        flex-direction: column;
        gap: 8px;
    }

    .repo-list {
        grid-template-columns: 1fr;
    }
}

/* --- Services page --- */

.hero--services {
    padding: 42px 34px 38px;
}

.hero--services h1 {
    font-size: clamp(2rem, 4vw, 3.2rem);
}

.hero--services .hero-copy {
    margin-top: 20px;
    font-size: 1rem;
}

.hero-tagline {
    margin: 14px 0 0;
    color: #555555;
    font-size: 1rem;
    letter-spacing: 0.06em;
}

.process-line {
    margin: 18px 0 0;
    color: #d60000;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.service-pillars {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    padding: 30px 0 28px;
    border-bottom: 1px solid #dddddd;
}

.pillar-card {
    padding: 18px 20px;
    border: 1px solid #111111;
    background: rgba(255, 255, 255, 0.88);
}

.pillar-card h2 {
    margin: 0 0 10px;
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.pillar-card p {
    margin: 0;
    color: #444444;
    font-size: 1rem;
    line-height: 1.65;
}

.pillar-card--future {
    border-style: dashed;
    border-color: #cccccc;
    color: #666666;
}

.pillar-card--future h2 {
    color: #333333;
}

.pillar-label {
    display: block;
    margin-bottom: 8px;
    color: #d60000;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
    padding: 30px 0 32px;
    border-bottom: 1px solid #dddddd;
}

.service-card h2 {
    margin: 0 0 10px;
    font-size: 1.2rem;
    line-height: 1.35;
}

.service-contact-cta {
    margin: 2rem 0;
    padding: 1.4rem clamp(1rem, 4vw, 2rem);
    border: 1px solid var(--site-border);
    border-top: 4px solid var(--site-accent);
    border-radius: var(--card-radius);
    background: var(--site-surface-strong);
    text-align: center;
}

.service-contact-cta h2 {
    margin: 0 0 0.45rem;
}

.service-contact-cta p {
    margin: 0 0 1rem;
    color: var(--site-text-muted);
}

.service-contact-cta-link,
.service-hadahomes-cta-link {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.25rem;
    border-radius: var(--card-radius);
    background: var(--site-accent);
    color: var(--site-bg);
    font-weight: 700;
    text-decoration: none;
}

.service-contact-cta-link:focus-visible,
.service-hadahomes-cta-link:focus-visible {
    outline: 3px solid currentColor;
    outline-offset: 3px;
}

.service-card {
    padding: 18px 20px;
    border: 1px solid #dddddd;
    background: rgba(255, 255, 255, 0.88);
}

.service-card h3 {
    margin: 0 0 6px;
    font-size: 1.08rem;
    font-weight: 600;
    line-height: 1.35;
}

.service-card .service-subtitle {
    margin: 0 0 14px;
    color: #666666;
    font-size: 1rem;
    letter-spacing: 0.04em;
}

.service-card p {
    margin: 0;
    color: #333333;
    font-size: 1rem;
    line-height: 1.65;
}

.service-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid #eeeeee;
    font-size: 1rem;
    color: #444444;
}

.service-keywords span::before {
    content: "—";
    margin-right: 6px;
    color: #d60000;
}

.section--compact {
    margin: 24px 0;
    padding: 30px 34px 34px;
    background: rgba(255, 255, 255, 0.76);
    border: 1px solid rgba(220, 220, 220, 0.84);
}

@media (max-width: 760px) {
    .hero,
    .content-block,
    .section,
    .section--compact,
    .section--muted {
        margin: 16px 0;
        padding: 26px 22px 30px;
    }
}

.section--compact h2 {
    margin: 0 0 16px;
    font-size: 1.1rem;
    font-weight: 500;
}

.section--compact p {
    margin: 0;
    max-width: 720px;
    color: #444444;
    font-size: 1rem;
}

.section--muted {
    background: rgba(250, 250, 250, 0.78);
    margin: 24px 0;
    padding: 30px 34px;
    border: 1px solid rgba(220, 220, 220, 0.84);
}

.section--muted h2 {
    margin: 0 0 12px;
    font-size: 1rem;
    font-weight: 500;
    color: #333333;
}

.section--muted p {
    margin: 0;
    max-width: 680px;
    color: #555555;
    font-size: 1rem;
    line-height: 1.7;
}

@media (min-width: 960px) {
    .service-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 760px) {
    footer {
        margin-top: 20px;
        padding: 24px 22px 30px;
    }

    .page {
        padding: 0 22px;
    }

    :root {
        --header-inner-gutter: 22px;
    }

    .header-top {
        min-height: auto;
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
    }

    .site-nav {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
        line-height: 1.3;
    }

    .header-meta,
    .site-display-controls {
        width: 100%;
        align-items: flex-start;
        justify-content: flex-start;
    }

    .location {
        display: none;
    }

    .site-display-controls {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 4px;
    }

    .site-display-controls button {
        min-height: 38px;
        padding: 5px 7px;
        font-size: 0.8rem;
        white-space: nowrap;
    }

    .site-nav-links,
    .lang-switch {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 6px 10px;
    }

    .site-nav-links .nav-sep,
    .lang-switch .lang-sep {
        display: none;
    }

    .hero {
        padding: 46px 22px 42px;
    }

    .content-block {
        padding: 34px 22px 38px;
    }

    .bilingual {
        grid-template-columns: 1fr;
    }

    .language + .language {
        border-left: 0;
        border-top: 1px solid var(--site-border);
    }

    .section {
        padding: 40px 0;
    }

    .section-heading,
    .person {
        grid-template-columns: 1fr;
        gap: 22px;
    }

    .background {
        grid-template-columns: 1fr 1fr;
    }

    .experience:nth-child(odd) {
        border-left: 0;
    }

    .experience:nth-child(n + 3) {
        border-top: 1px solid #dddddd;
    }

    .experience:nth-child(even) {
        border-left: 1px solid #dddddd;
    }

    footer {
        flex-direction: column;
        gap: 8px;
    }

    .service-pillars {
        grid-template-columns: 1fr;
    }

    .service-grid {
        grid-template-columns: 1fr;
    }

    .section--muted {
        margin: 0 -22px;
        padding: 30px 22px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: clamp(1.85rem, 8vw, 2.2rem);
        line-height: 1.12;
    }

    body { font-size: 15px; }

    .hero--illustrated .page-illustration {
        width: min(42vw, 8.5rem);
        padding: 8px;
        border: 1px solid var(--site-border);
        border-radius: var(--card-radius);
        background: var(--site-surface-strong);
    }

    .hero--illustrated .page-illustration figcaption { font-size: 0.82rem; }

    .background {
        grid-template-columns: 1fr;
    }

    .experience,
    .experience:nth-child(even) {
        border-left: 0;
    }

    .experience + .experience {
        border-top: 1px solid #dddddd;
    }
}

/* Shared translucent surface contract: every locale and page uses the same layers. */
header,
footer,
.hero,
.content-block,
.section,
.section--compact,
.section--muted {
    background: var(--site-surface);
    border-color: var(--site-border);
}

.service-card,
.pillar-card,
.repo-card,
.experience-item,
.profile-card,
.home-summary-card,
.gallery figure {
    background: var(--site-surface-strong);
    border-color: var(--site-border);
}

.repo-list,
.repo-card {
    min-width: 0;
}

.repo-card h3 {
    overflow-wrap: anywhere;
}

/* Optional display preferences: keep the existing site layout as the default. */
.site-display-controls {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 0.7rem;
    min-height: 1.8rem;
    padding: 0;
    font-size: 1rem;
}

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

.site-display-controls button {
    padding: 0;
    border: 0;
    background: transparent;
    color: #666666;
    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: #d60000;
}

html[data-text-size="large"] {
    font-size: 1.12rem;
}

html[data-text-size="xlarge"] {
    font-size: 1.28rem;
}

html[data-theme="dark"] {
    --site-bg: #15161a;
    --site-surface: rgba(21, 22, 26, 0.66);
    --site-surface-strong: rgba(30, 31, 36, 0.80);
    --site-text: #f2f3f5;
    --site-text-muted: #c4c7cc;
    --site-text-soft: #aeb3bb;
    --site-border: rgba(255, 255, 255, 0.24);
    --site-border-strong: rgba(255, 255, 255, 0.48);
    --site-link: #f2f3f5;
    --site-accent: #ff6b6b;
    --site-shadow: rgba(0, 0, 0, 0.5);
    background: var(--site-bg);
    color: var(--site-text);
}

html[data-theme="dark"] header,
html[data-theme="dark"] footer,
html[data-theme="dark"] .hero,
html[data-theme="dark"] .content-block,
html[data-theme="dark"] .section,
html[data-theme="dark"] .section--muted,
html[data-theme="dark"] .section--compact {
    background-color: var(--site-surface);
    border-color: var(--site-border);
}

html[data-theme="dark"] .service-card,
html[data-theme="dark"] .pillar-card,
html[data-theme="dark"] .repo-card {
    background-color: var(--site-surface-strong);
    border-color: var(--site-border);
}

html[data-theme="dark"] .site-display-controls button,
html[data-theme="dark"] .location,
html[data-theme="dark"] .hero-copy,
html[data-theme="dark"] .section-heading p,
html[data-theme="dark"] .content-block p,
html[data-theme="dark"] .person-copy,
html[data-theme="dark"] .person-role,
html[data-theme="dark"] .experience small,
html[data-theme="dark"] .footer-related,
html[data-theme="dark"] .footer-attribution {
    color: #c7c7c7;
}

html[data-theme="dark"] .site-nav,
html[data-theme="dark"] .site-nav-secondary,
html[data-theme="dark"] .site-nav-empty-secondary,
html[data-theme="dark"] .site-breadcrumbs,
html[data-theme="dark"] .footer-row,
html[data-theme="dark"] .services,
html[data-theme="dark"] .background,
html[data-theme="dark"] .experience + .experience,
html[data-theme="dark"] .experience:nth-child(even) {
    border-color: rgba(255, 255, 255, 0.22);
}

@keyframes hada-play-card-glow {
    0% {
        box-shadow: 4px 4px 8px var(--site-shadow), 0 0 0 rgba(99, 179, 237, 0);
    }
    50% {
        box-shadow: 8px 9px 16px var(--site-shadow), 0 0 18px rgba(183, 148, 244, 0.14);
    }
    100% {
        box-shadow: 4px 4px 8px var(--site-shadow), 0 0 16px rgba(255, 107, 107, 0.13);
    }
}

.contact-form-embed {
    width: 100%;
    min-width: 0;
    margin: 1.5rem 0 1rem;
    overflow: hidden;
    border: 1px solid var(--site-border);
    border-radius: var(--card-radius, 8px);
    background: var(--site-surface);
    color: var(--site-text);
}

.contact-form-embed iframe {
    display: block;
    width: 100%;
    min-height: 1120px;
    border: 0;
    background: transparent;
}

.contact-form-fallback {
    font-size: .95rem;
}

@media (max-width: 600px) {
    .contact-form-embed iframe {
        min-height: 1320px;
    }
}

/* PWA Timer Demo */
.timer-page main {
    padding-bottom: 42px;
}

.timer-panel {
    max-width: 680px;
    margin: 28px auto 0;
    padding: 34px;
    text-align: center;
    background: var(--site-surface-strong);
    border: 1px solid var(--site-border);
    box-shadow: 4px 4px 12px var(--site-shadow);
}

.timer-display {
    margin: 12px 0 26px;
    color: var(--site-text);
    font: 700 clamp(4rem, 15vw, 7rem)/1 ui-monospace, SFMono-Regular, Menlo, monospace;
    letter-spacing: 0.04em;
}

.timer-inputs {
    display: flex;
    justify-content: center;
    gap: 14px;
    border: 0;
    margin: 0;
    padding: 0;
}

.timer-inputs label {
    display: grid;
    gap: 5px;
    color: var(--site-text-muted);
    font-size: 1rem;
}

.timer-inputs input {
    width: 5rem;
    padding: 0.65rem;
    border: 1px solid var(--site-border-strong);
    border-radius: var(--card-radius);
    background: var(--site-bg);
    color: var(--site-text);
    font: inherit;
    text-align: center;
}

.timer-presets,
.timer-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.timer-presets {
    margin-top: 16px;
}

.timer-actions {
    margin-top: 24px;
}

.timer-page main button {
    min-height: 2.5rem;
    padding: 0.6rem 0.9rem;
    border: 1px solid var(--site-border-strong);
    border-radius: var(--card-radius);
    background: var(--site-surface-strong);
    color: var(--site-text);
    font: inherit;
    cursor: pointer;
}

.timer-page main button:hover,
.timer-page main button:focus-visible {
    color: var(--site-accent);
    border-color: var(--site-accent);
}

.timer-page main .timer-preset {
    min-width: 3.25rem;
    min-height: 2.25rem;
    padding: 0.35rem 0.65rem;
}

.timer-page main .timer-preset[aria-pressed="true"] {
    color: var(--site-accent);
    border-color: var(--site-accent);
}

.timer-page main button:disabled {
    cursor: not-allowed;
    opacity: 0.52;
}

.timer-status,
.timer-install-help {
    min-height: 1.5rem;
    margin: 18px 0 0;
    color: var(--site-text-muted);
}

.timer-install-help {
    margin-top: 8px;
}

.timer-back-link {
    margin: 18px 0 0;
    text-align: center;
}

.timer-back-link a {
    text-decoration: underline;
    text-underline-offset: 4px;
}

/* Generated background gallery pages use the same site shell as authored pages. */
.gallery-page,
.gallery-detail {
    padding-bottom: 42px;
}

.gallery-page h1,
.gallery-detail h1 {
    margin: 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.gallery-grid > * {
    min-width: 0;
}

.gallery-card {
    display: flex;
    flex-direction: column;
    margin: 0;
    min-width: 0;
    padding: 12px;
    border: 1px solid var(--site-border);
    background: var(--site-surface-strong);
}

.gallery-card img {
    display: block;
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.gallery-card figcaption {
    padding: 14px 4px 4px;
    color: var(--site-text-muted);
    font-size: 1rem;
}

.gallery-card figcaption strong {
    color: var(--site-text);
}

.gallery-detail-image {
    display: block;
    width: 100%;
    max-height: 70vh;
    margin-top: 24px;
    object-fit: contain;
    background: var(--site-surface-strong);
    border: 1px solid var(--site-border);
}

.gallery-detail-caption {
    color: var(--site-text-muted);
    font-size: 1rem;
}

.content-block pre,
.section pre {
    max-width: 100%;
    overflow-x: auto;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

@media (max-width: 700px) {
    .site-nav-secondary,
    .site-breadcrumbs {
        padding-inline: 22px;
    }

    .timer-panel {
        padding: 20px 16px;
    }

    .timer-inputs {
        gap: 8px;
    }

    .timer-inputs label { font-size: 0.9rem; }
    .timer-inputs input { width: 4.5rem; font-size: 16px; }
    .timer-display { font-size: clamp(2.9rem, 14vw, 4.2rem); margin: 8px 0 16px; }
    .timer-presets { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
    .timer-page main .timer-preset { min-width: 0; min-height: 40px; padding: 0.35rem 0.2rem; font-size: 0.875rem; }
    .timer-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-areas: "start reset" "pause pause" "notify notify"; gap: 8px; margin-top: 16px; }
    .timer-actions button { min-width: 0; min-height: 44px; padding: 0.5rem 0.35rem; font-size: 0.875rem; }
    .timer-actions [data-action="start"] { grid-area: start; }
    .timer-actions [data-action="reset"] { grid-area: reset; }
    .timer-actions [data-action="pause"] { grid-area: pause; }
    .timer-actions [data-action="notify"] { grid-area: notify; }

    .page footer .footer-row { align-items: flex-start; flex-direction: column; gap: 8px; }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .hero--illustrated {
        grid-template-columns: minmax(0, 1fr) 8.5rem;
        column-gap: 1rem;
    }

    .gallery-category-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) and (orientation: portrait) {
    body {
        background-position: center top, center top;
        background-size: cover, auto 100svh;
    }
}

@media (max-width: 760px) {
    .site-display-controls { gap: 4px; }
    .site-display-controls button { font-size: 0.75rem; padding: 4px 5px; }
}

@media (max-width: 480px) {
    .hero--illustrated {
        display: block;
    }

    .hero--illustrated .page-illustration {
        width: min(42vw, 8.5rem);
        margin: 1rem 0 0 auto;
    }
}

[data-mode="play"] .repo-card,
[data-mode="play"] .pillar-card,
[data-mode="play"] .service-card,
[data-mode="play"] .experience,
[data-mode="play"] .experience-item {
    animation: hada-play-card-glow 1.4s ease-in-out infinite alternate;
}

@media (prefers-reduced-motion: reduce) {
    [data-mode="play"] .repo-card,
    [data-mode="play"] .pillar-card,
    [data-mode="play"] .service-card,
    [data-mode="play"] .experience,
    [data-mode="play"] .experience-item {
        animation: none;
    }
}

/* Complete dark-theme contract: surfaces, typography, links, and page imagery change together. */
html[data-theme="dark"] body {
    background-color: var(--site-bg);
    background-blend-mode: normal;
}

html[data-theme="dark"] body[data-logical-page="index"] {
    background-image:
        linear-gradient(135deg, rgba(12, 14, 18, 0.82), rgba(12, 14, 18, 0.62) 48%, rgba(12, 14, 18, 0.84)),
        url("/assets/images/hada-biz-top.jpg");
}

html[data-theme="dark"] body[data-logical-page^="services"] {
    background-image: none;
}

html[data-theme="dark"] body[data-logical-page="about"] {
    background-image:
        linear-gradient(135deg, rgba(12, 14, 18, 0.82), rgba(12, 14, 18, 0.62) 48%, rgba(12, 14, 18, 0.84)),
        url("/assets/images/hada-biz-about.jpg");
}

html[data-theme="dark"] body[data-logical-page="about_naoki"] {
    background-image:
        linear-gradient(135deg, rgba(12, 14, 18, 0.82), rgba(12, 14, 18, 0.62) 48%, rgba(12, 14, 18, 0.84)),
        url("/assets/images/hada-biz-about-naoki.jpg");
}

html[data-theme="dark"] body[data-logical-page="about_tour"] {
    background-image:
        linear-gradient(135deg, rgba(12, 14, 18, 0.82), rgba(12, 14, 18, 0.62) 48%, rgba(12, 14, 18, 0.84)),
        url("/assets/images/hada-biz-tour.jpg");
}

html[data-theme="dark"] body[data-logical-page="about_sitemap"] {
    background-image:
        linear-gradient(135deg, rgba(12, 14, 18, 0.82), rgba(12, 14, 18, 0.62) 48%, rgba(12, 14, 18, 0.84)),
        url("/assets/images/hada-biz-sitemap.jpg");
}

html[data-theme="dark"] body[data-logical-page="contact"] {
    background-image:
        linear-gradient(135deg, rgba(12, 14, 18, 0.82), rgba(12, 14, 18, 0.62) 48%, rgba(12, 14, 18, 0.84)),
        url("/assets/images/web/hada-biz-background-contact-v1.jpg");
}

html[data-theme="dark"] body[data-logical-page="gallery"],
html[data-theme="dark"] body[data-logical-page="pwa"],
html[data-theme="dark"] body.site-gateway {
    background-image:
        linear-gradient(135deg, rgba(12, 14, 18, 0.82), rgba(12, 14, 18, 0.62) 48%, rgba(12, 14, 18, 0.84)),
        url("/assets/images/hada-biz-top.jpg");
}

html[data-theme="dark"] header,
html[data-theme="dark"] footer,
html[data-theme="dark"] .hero,
html[data-theme="dark"] .content-block,
html[data-theme="dark"] .section,
html[data-theme="dark"] .section--compact,
html[data-theme="dark"] .section--muted {
    background-color: var(--site-surface);
    border-color: var(--site-border);
}

html[data-theme="dark"] .service-card,
html[data-theme="dark"] .pillar-card,
html[data-theme="dark"] .repo-card {
    background-color: var(--site-surface-strong);
    border-color: var(--site-border);
}

html[data-theme="dark"] .showcase-note {
    background: var(--site-surface-strong);
    border-left-color: var(--site-accent);
}

html[data-theme="dark"] body :where(h1, h2, h3, h4, p, li, dt, dd, strong, small, span, div, a) {
    color: var(--site-text) !important;
}

html[data-theme="dark"] body :where(.location, .site-nav-label, .hero-copy, .hero-tagline,
    .section-heading p, .content-block p, .person-copy, .person-role, .profile-title,
    .experience small, .experience-item .exp-meta, .experience-item p, .repo-card p,
    .patent-block p, .patent-note, .showcase-note, .service-card .service-subtitle,
    .service-card p, .pillar-card p, .section--compact p, .section--muted p,
    .footer-related, .footer-attribution, footer) {
    color: var(--site-text-muted) !important;
}

html[data-theme="dark"] body :where(.eyebrow, .process-line, .pillar-label,
    .services span::before, .service-keywords span::before, .brand .dot,
    .status-new, .status-updated) {
    color: var(--site-accent) !important;
}

html[data-theme="dark"] body :where(a:hover, .site-display-controls button:hover,
    .site-display-controls button:focus-visible, .external-link:hover,
    .repo-card a:hover, .footer-related a:hover, .footer-attribution a:hover) {
    color: var(--site-accent) !important;
}

html[data-theme="dark"] .site-nav,
html[data-theme="dark"] .footer-row,
html[data-theme="dark"] .services,
html[data-theme="dark"] .background,
html[data-theme="dark"] .experience + .experience,
html[data-theme="dark"] .experience:nth-child(even),
html[data-theme="dark"] .experience-item,
html[data-theme="dark"] .service-grid,
html[data-theme="dark"] .service-pillars,
html[data-theme="dark"] .service-keywords {
    border-color: var(--site-border);
}

html[data-theme="dark"] .site-nav-links .nav-sep,
html[data-theme="dark"] .lang-sep,
html[data-theme="dark"] .site-nav-secondary,
html[data-theme="dark"] .site-breadcrumbs,
html[data-theme="dark"] .footer-sep,
html[data-theme="dark"] .footer-attribution .nav-sep {
    color: var(--site-text-soft) !important;
}

html[data-theme="dark"] .external-link,
html[data-theme="dark"] .repo-card a {
    border-color: var(--site-border-strong);
}

html[data-theme="dark"] .service-contact-cta-link,
html[data-theme="dark"] .service-hadahomes-cta-link {
    color: var(--site-bg) !important;
}

html[data-theme="dark"] .timer-panel,
html[data-theme="dark"] .timer-page main button,
html[data-theme="dark"] .timer-inputs input {
    background-color: var(--site-surface-strong);
    border-color: var(--site-border-strong);
}

html[data-theme="dark"] .timer-page main button:hover,
html[data-theme="dark"] .timer-page main button:focus-visible,
html[data-theme="dark"] .timer-page main .timer-preset[aria-pressed="true"] {
    color: var(--site-accent);
    border-color: var(--site-accent);
}

html[data-theme="dark"] .pillar-card--future {
    border-color: var(--site-border);
    color: var(--site-text-muted) !important;
}

/* Play mode: a CSS-only visual laboratory. It changes reaction, not layout. */
html[data-mode="play"] {
    --play-red: #ff4b4b;
    --play-yellow: #ffd166;
    --play-blue: #118ab2;
    --play-purple: #8338ec;
    --play-glow: rgba(17, 138, 178, 0.28);
}

html[data-mode="play"] .page {
    position: relative;
    z-index: 1;
}

html[data-mode="play"] body::before {
    position: fixed;
    z-index: 0;
    inset: 0;
    pointer-events: none;
    content: "";
    background:
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 72px),
        repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 72px),
        linear-gradient(135deg, transparent 28%, rgba(255, 209, 102, 0.08) 42%, transparent 58%),
        linear-gradient(315deg, transparent 34%, rgba(17, 138, 178, 0.09) 50%, transparent 66%);
    background-size: 72px 72px, 72px 72px, 220% 220%, 260% 260%;
    opacity: 0.7;
    animation: hada-play-aurora 13s ease-in-out infinite alternate;
}

@keyframes hada-play-aurora {
    from {
        background-position: 0 0, 0 0, 100% 0, 0 100%;
    }
    to {
        background-position: 0 0, 0 0, 0 100%, 100% 0;
    }
}

@keyframes hada-play-prism {
    0% {
        border-color: var(--play-red);
    }
    25% {
        border-color: var(--play-yellow);
    }
    50% {
        border-color: var(--play-blue);
    }
    75% {
        border-color: var(--play-blue);
    }
    100% {
        border-color: var(--play-purple);
    }
}

@keyframes hada-play-data-stream {
    from {
        transform: translateX(-120%);
    }
    to {
        transform: translateX(360%);
    }
}

@keyframes hada-play-hologram-scan {
    0%, 98% {
        transform: translateX(-180%) rotate(14deg);
        opacity: 0;
    }
    98.4% {
        transform: translateX(-40%) rotate(14deg);
        opacity: 0.48;
    }
    99.3% {
        transform: translateX(260%) rotate(14deg);
        opacity: 0.64;
    }
    100% {
        transform: translateX(520%) rotate(14deg);
        opacity: 0;
    }
}

@keyframes hada-play-living-type {
    0%, 100% {
        letter-spacing: -0.025em;
        text-shadow: 0 0 0 transparent;
    }
    50% {
        letter-spacing: -0.01em;
        text-shadow: 2px 2px 0 rgba(17, 138, 178, 0.12);
    }
}

html[data-mode="play"] .repo-card,
html[data-mode="play"] .pillar-card,
html[data-mode="play"] .service-card,
html[data-mode="play"] .experience,
html[data-mode="play"] .experience-item,
html[data-mode="play"] .ui-card--interactive {
    position: relative;
    overflow: hidden;
    animation:
        hada-play-card-glow 1.4s ease-in-out infinite alternate,
        hada-play-prism 5s linear infinite;
}

html[data-mode="play"] .repo-card > *,
html[data-mode="play"] .pillar-card > *,
html[data-mode="play"] .service-card > *,
html[data-mode="play"] .experience > *,
html[data-mode="play"] .experience-item > *,
html[data-mode="play"] .ui-card--interactive > * {
    position: relative;
    z-index: 1;
}

html[data-mode="play"] .repo-card::before,
html[data-mode="play"] .pillar-card::before,
html[data-mode="play"] .service-card::before,
html[data-mode="play"] .experience::before,
html[data-mode="play"] .experience-item::before,
html[data-mode="play"] .ui-card--interactive::before {
    position: absolute;
    z-index: 0;
    top: -30%;
    bottom: -30%;
    left: -25%;
    width: 22%;
    pointer-events: none;
    content: "";
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.32), transparent);
    transform: translateX(-180%) rotate(14deg);
    opacity: 0;
    animation: hada-play-hologram-scan 10s linear infinite;
}

html[data-mode="play"] .repo-card::after,
html[data-mode="play"] .pillar-card::after,
html[data-mode="play"] .service-card::after,
html[data-mode="play"] .experience::after,
html[data-mode="play"] .experience-item::after,
html[data-mode="play"] .ui-card--interactive::after {
    position: absolute;
    z-index: 2;
    top: 0;
    left: 0;
    width: 24%;
    height: 2px;
    pointer-events: none;
    content: "";
    background: linear-gradient(90deg, transparent, var(--play-yellow), transparent);
    opacity: 0.8;
    animation: hada-play-data-stream 3.4s linear infinite;
}

@media (hover: hover) and (pointer: fine) {
    html[data-mode="play"] .repo-card:hover,
    html[data-mode="play"] .pillar-card:hover,
    html[data-mode="play"] .service-card:hover,
    html[data-mode="play"] .experience:hover,
    html[data-mode="play"] .experience-item:hover,
    html[data-mode="play"] .ui-card--interactive:hover {
        z-index: 3;
        box-shadow:
            7px 7px 14px var(--play-glow),
            0 0 0 1px rgba(255, 255, 255, 0.16);
    }

    html[data-mode="play"] .repo-card:hover h3,
    html[data-mode="play"] .pillar-card:hover h2,
    html[data-mode="play"] .service-card:hover h3,
    html[data-mode="play"] .ui-card--interactive:hover h3 {
        transform: translateX(2px);
    }

    html[data-mode="play"] .repo-card:hover p,
    html[data-mode="play"] .pillar-card:hover p,
    html[data-mode="play"] .service-card:hover p,
    html[data-mode="play"] .ui-card--interactive:hover p {
        transform: translateY(1px);
    }
}

html[data-mode="play"] .hero h1 {
    animation: hada-play-living-type 4.5s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
    html[data-mode="play"] body::before,
    html[data-mode="play"] .hero h1,
    html[data-mode="play"] .repo-card,
    html[data-mode="play"] .pillar-card,
    html[data-mode="play"] .service-card,
    html[data-mode="play"] .experience,
    html[data-mode="play"] .experience-item,
    html[data-mode="play"] .ui-card--interactive,
    html[data-mode="play"] .repo-card::before,
    html[data-mode="play"] .pillar-card::before,
    html[data-mode="play"] .service-card::before,
    html[data-mode="play"] .experience::before,
    html[data-mode="play"] .experience-item::before,
    html[data-mode="play"] .ui-card--interactive::before,
    html[data-mode="play"] .repo-card::after,
    html[data-mode="play"] .pillar-card::after,
    html[data-mode="play"] .service-card::after,
    html[data-mode="play"] .experience::after,
    html[data-mode="play"] .experience-item::after,
    html[data-mode="play"] .ui-card--interactive::after {
        animation: none;
    }
}

/* Experience history is a continuous timeline, not a set of independent cards. */
html[data-mode="play"] .experience-list .experience-item {
    position: static;
    overflow: visible;
    animation: none;
}

html[data-mode="play"] .experience-list .experience-item::before,
html[data-mode="play"] .experience-list .experience-item::after {
    display: none;
}

html[data-mode="play"] .experience-list .experience-item:hover {
    z-index: auto;
    box-shadow: none;
}

@media (max-width: 760px) {
    .header-meta {
        align-items: flex-start;
    }

    .site-display-controls {
        justify-content: flex-start;
        padding-inline: var(--header-inner-gutter);
        flex-wrap: wrap;
    }
}