/* ===== CSS Variables ===== */
:root {
    --color-bg: #faf9f7;
    --color-bg-alt: #f0efeb;
    --color-text: #1a1a1a;
    --color-text-muted: #5a5a5a;
    --color-accent: #2d5a7b;
    --color-accent-light: #e8f0f5;
    --color-border: #e0ddd8;
    --font-display: 'Instrument Serif', Georgia, serif;
    --font-body: 'Source Sans 3', -apple-system, sans-serif;
    --max-width: 1100px;
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: opacity 0.2s ease;
}

a:hover {
    opacity: 0.7;
}

/* ===== Typography ===== */
h1,
h2,
h3 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: var(--space-md);
}

h3 {
    font-size: 1.25rem;
}

.section-label {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

/* ===== Layout ===== */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

section {
    padding: var(--space-xl) 0;
}

/* ===== Collapsible Sections ===== */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
    cursor: pointer;
    user-select: none;
    transition: margin-bottom 0.3s ease;
}

.section-header.collapsed {
    margin-bottom: var(--space-xs);
}

.section-title-wrapper {
    flex: 1;
}

.section-collapse-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.4;
    transition: opacity 0.3s ease, transform 0.3s ease;
    cursor: pointer;
    margin-left: var(--space-md);
}

.section-collapse-icon:hover {
    opacity: 0.8;
}

.section-collapse-icon .icon-minus {
    width: 16px;
    height: 2px;
    background: var(--color-text);
    border-radius: 1px;
}

.section-collapse-icon .icon-chevron {
    width: 12px;
    height: 12px;
    border-left: 2px solid var(--color-text);
    border-bottom: 2px solid var(--color-text);
    transform: rotate(-45deg);
}

.section-content {
    max-height: 10000px;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.4s ease;
}

.section-content.collapsed {
    max-height: 0;
    opacity: 0;
}

.section-header.collapsed .icon-minus {
    display: none;
}

.section-header:not(.collapsed) .icon-chevron {
    display: none;
}

/* ===== Header & Navigation ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 249, 247, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

nav.container {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    height: 70px;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--color-text);
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
    position: relative;
}

.scroll-indicator {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: opacity 0.3s ease;
    animation: bounce 2s infinite;
    z-index: 10;
}

.scroll-indicator:hover .chevron {
    border-color: var(--color-primary);
}

.chevron {
    width: 20px;
    height: 20px;
    border-left: 2px solid var(--color-text-muted);
    border-bottom: 2px solid var(--color-text-muted);
    transform: rotate(-45deg);
    transition: border-color 0.3s ease;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--color-bg-alt);
    border: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s ease, background 0.3s ease, transform 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 100;
    pointer-events: none;
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
}

.back-to-top:hover {
    background: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.back-to-top:hover .chevron-up {
    border-color: white;
}

.chevron-up {
    width: 16px;
    height: 16px;
    border-left: 2px solid var(--color-text-muted);
    border-bottom: 2px solid var(--color-text-muted);
    transform: rotate(135deg);
    transition: border-color 0.3s ease;
}

.hero-content {
    display: grid;
    gap: var(--space-lg);
    align-items: center;
}

.hero-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: var(--color-bg-alt);
    border: 3px solid var(--color-border);
    overflow: hidden;
    margin: 0 auto;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-text h1 {
    margin-bottom: var(--space-sm);
}

.hero-title {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.hero-tagline {
    font-size: 1.1rem;
    max-width: 550px;
    margin-bottom: var(--space-md);
}

.hero-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.hero-links a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0.5rem 1rem;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 0.9rem;
    color: var(--color-text);
}

.hero-links a:hover {
    background: var(--color-accent-light);
    border-color: var(--color-accent);
    opacity: 1;
}

.hero-links svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* ===== About Section ===== */
.about {
    background: var(--color-bg-alt);
}

.about-content {
    display: grid;
    gap: var(--space-md);
}

.about-text p {
    margin-bottom: var(--space-sm);
}

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-md);
}

.skill-tag {
    padding: 0.4rem 0.8rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 3px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ===== Research/Projects Section ===== */
.projects-grid {
    display: grid;
    gap: var(--space-md);
}

.project-card {
    padding: var(--space-md);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

.project-card h3 {
    margin-bottom: var(--space-xs);
}

.project-meta {
    font-size: 0.85rem;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.project-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.project-short {
    margin-bottom: 0;
}

.project-meta-full {
    font-size: 0.85rem;
    color: var(--color-accent);
    margin-top: var(--space-sm);
    margin-bottom: var(--space-xs);
}

.read-more,
.read-less {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.2s ease;
}

.read-more:hover,
.read-less:hover {
    color: var(--color-text);
    text-decoration: underline;
}

.project-full {
    margin-top: var(--space-sm);
}

.project-image {
    width: 100%;
    height: auto;
    overflow: hidden;
    border-radius: 12px;
    margin-top: var(--space-sm);
}

.project-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.02);
}

/* Layout: Content above Image always */
.project-card {
    display: flex;
    flex-direction: column-reverse;
    gap: var(--space-sm);
}

/* Desktop Layout adjustments */
@media (min-width: 768px) {
    .project-card {
        gap: var(--space-md);
    }
}

/* ===== Activities Section ===== */
.activities-grid {
    display: grid;
    gap: var(--space-md);
}

.activity-card {
    display: grid;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 6px;
}

@media (min-width: 768px) {
    .activity-card {
        grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
        align-items: center;
    }
    .activity-card--flip .activity-content { order: 2; }
    .activity-card--flip .activity-preview { order: 1; }
}

.activity-kicker {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.activity-card h3 {
    margin-bottom: var(--space-xs);
}

.activity-meta {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin-bottom: var(--space-sm);
}

.activity-content p:last-child { margin-bottom: 0; }

/* Fanned photo stack. Each card keeps its own image ratio (--ar = width / height);
   its width depends on orientation, so posters, landscape and square photos all fit. */
.activity-preview {
    position: relative;
    width: 100%;
    max-width: 440px;
    aspect-ratio: 1 / 1;
    margin: 0 auto;
}

.stack-card {
    position: absolute;
    aspect-ratio: var(--ar, 3 / 4);
    border-radius: 14px;
    overflow: hidden;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    box-shadow: 0 18px 40px -18px rgba(40, 60, 90, 0.4), 0 4px 12px -6px rgba(40, 60, 90, 0.2);
    padding: 0;
    cursor: zoom-in;
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

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

.stack-card--portrait  { width: 50%; }
.stack-card--landscape { width: 64%; }
.stack-card--square    { width: 56%; }

/* slots: back (top-left), front (right), third (bottom-left) */
.stack-card:nth-child(1) { left: 2%;  top: 2%;    transform: rotate(-8deg); z-index: 1; }
.stack-card:nth-child(2) { right: 2%; top: 22%;   transform: rotate(6deg);  z-index: 3; }
.stack-card:nth-child(3) { left: 12%; bottom: 2%; transform: rotate(-3deg); z-index: 2; }
/* landscape photos sit lower in the back slot so they overlap the front card less */
.stack-card--landscape:nth-child(1) { top: 10%; }

.activity-card:hover .stack-card:nth-child(1) { transform: rotate(-11deg) translate(-3%, -2%); }
.activity-card:hover .stack-card:nth-child(2) { transform: rotate(3deg) translate(2%, -2%); }
.activity-card:hover .stack-card:nth-child(3) { transform: rotate(-1deg) translate(0, 2%); }
.stack-card:hover { z-index: 5; box-shadow: 0 24px 48px -18px rgba(40, 60, 90, 0.5); }

/* lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(20, 24, 30, 0.88);
    cursor: zoom-out;
}
.lightbox.is-open { display: flex; }
.lightbox img {
    max-width: min(96vw, 1400px);
    max-height: 88vh;
    border-radius: 8px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}
.lightbox figcaption {
    position: absolute;
    left: 0; right: 0; bottom: 18px;
    text-align: center;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
}

/* ===== Presentations Section (compact rows) ===== */
.pres-list {
    display: flex;
    flex-direction: column;
}

.pres-item {
    display: grid;
    grid-template-columns: 5.2rem minmax(0, 1fr);
    gap: 0.35rem 1rem;
    align-items: baseline;
    padding: 0.7rem 0;
    border-bottom: 1px solid var(--color-border);
}

.pres-item:last-child {
    border-bottom: none;
}

.pres-badge {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    white-space: nowrap;
}

.pres-title {
    font-family: var(--font-display);
    font-size: 1rem;
    line-height: 1.35;
    margin: 0;
}

.pres-meta {
    grid-column: 2;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.45;
    margin: 0;
}

@media (max-width: 767px) {
    .pres-item {
        grid-template-columns: 1fr;
        gap: 0.2rem;
    }
    .pres-meta {
        grid-column: 1;
    }
}

/* ===== Publications Section ===== */
.publications {
    background: var(--color-bg-alt);
}

/* Publication Filter Tabs */
.pub-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: var(--space-lg);
    justify-content: center;
}

.pub-filter-btn {
    padding: 0.5rem 1.25rem;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 2rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
}

.pub-filter-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.pub-filter-btn.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
}

.pub-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.pub-item {
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-border);
}

.pub-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

/* Hide publications with data-show="false" */
.pub-item[data-show="false"] {
    display: none;
}

.pub-type {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.pub-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    margin-bottom: var(--space-xs);
}

.pub-authors {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.pub-venue {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-style: italic;
}

.pub-links {
    margin-top: var(--space-xs);
    display: flex;
    gap: var(--space-sm);
}

.pub-links a {
    font-size: 0.85rem;
    font-weight: 500;
}

/* ===== Experience Section ===== */
.timeline {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.timeline-item {
    display: grid;
    gap: var(--space-xs);
    padding-left: var(--space-md);
    border-left: 2px solid var(--color-border);
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 6px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-accent);
}

.timeline-date {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.timeline-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
}

.timeline-org {
    font-weight: 500;
    color: var(--color-accent);
}

.timeline-desc {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

/* ===== Funding Section ===== */
.funding {
    background: var(--color-bg-alt);
}

/* ===== More Section ===== */
.more {
    background: var(--color-bg);
}

.more-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.more-top-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.more-category h3 {
    font-size: 1.3rem;
    margin-bottom: var(--space-sm);
    color: var(--color-primary);
}

.more-category ul {
    list-style: none;
    padding: 0;
}

.more-category li {
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--color-border);
}

.more-category li:last-child {
    border-bottom: none;
}

.more-category.full-width {
    grid-column: 1 / -1;
}


.funding-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.funding-item {
    padding: var(--space-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 6px;
}

.funding-item h3 {
    margin-bottom: var(--space-xs);
}

.funding-meta {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
}

.funding-amount {
    font-weight: 600;
    color: var(--color-accent);
    font-size: 0.9rem;
    margin-bottom: var(--space-xs);
}

.funding-short {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--color-text);
    margin-bottom: 0;
    font-weight: 400;
}

.funding-full {
    margin-top: var(--space-sm);
}

.funding-grant {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.funding-full .funding-meta {
    font-size: 0.95rem;
}

.funding-full .funding-amount {
    font-size: 0.95rem;
}

.funding-read-more {
    font-size: 0.85rem;
    margin-top: var(--space-xs);
    margin-bottom: 0;
}

/* ===== Contact Section ===== */
.contact {
    text-align: center;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    margin-top: var(--space-md);
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
    text-align: left;
}

.contact-item {
    font-size: 1.1rem;
}

.contact-item-label {
    font-weight: 600;
    color: var(--color-text);
    display: block;
    margin-bottom: 4px;
}

.map-container {
    width: 100%;
    height: 300px;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid var(--color-border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.contact-socials {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-md);
    grid-column: 1 / -1;
    justify-content: center;
}

.contact-socials a {
    font-weight: 500;
}

@media (max-width: 768px) {
    .hero {
        padding-top: 100px;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .contact-socials {
        grid-column: 1;
    }
}

/* ===== Footer ===== */
footer {
    padding: var(--space-md) 0;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

footer p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ===== Responsive: Tablet+ ===== */
@media (min-width: 768px) {
    .nav-toggle,
    .nav-mobile {
        display: none;
    }

    .hero-content {
        grid-template-columns: auto 1fr;
        text-align: left;
    }

    .hero-image {
        width: 220px;
        height: 220px;
        margin: 0;
    }

    .about-content {
        grid-template-columns: 2fr 1fr;
    }

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

    .contact-info {
        flex-direction: row;
        justify-content: center;
        gap: var(--space-lg);
    }
}

/* ===== Responsive: Desktop ===== */
@media (min-width: 1024px) {
    .hero-image {
        width: 260px;
        height: 260px;
    }
}

/* ===== Animations ===== */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeUp 0.6s ease forwards;
}

.delay-1 {
    animation-delay: 0.1s;
}

.delay-2 {
    animation-delay: 0.2s;
}

.delay-3 {
    animation-delay: 0.3s;
}

/* ===== Nav v2: page links with hover menus (shared by every page) ===== */
nav.container .nav-logo { grid-column: 1; }
nav.container .nav { grid-column: 2; }
nav.container .nav-toggle { grid-column: 3; justify-self: end; }
.nav { display: none; align-items: center; gap: 4px; justify-self: center; }
@media (min-width: 768px) { .nav { display: flex; } }
.nav__group { position: relative; }
.nav__item { display: inline-flex; align-items: center; gap: 6px; padding: 8px 12px; border-radius: 8px; font-family: var(--font-body);
    font-size: .92rem; font-weight: 500; color: var(--color-text); text-decoration: none; line-height: 1.2; white-space: nowrap;
    transition: background 140ms ease, color 140ms ease; }
.nav__item:hover, .nav__group:hover .nav__item, .nav__group:focus-within .nav__item { background: rgba(0, 0, 0, .05); }
.nav__item.is-active { color: var(--color-accent); }
.nav__item svg { width: 14px; height: 14px; transition: transform 160ms ease; }
.nav__group:hover .nav__item svg, .nav__group:focus-within .nav__item svg { transform: rotate(180deg); }
.nav-menu { position: absolute; top: calc(100% + 6px); left: 50%; min-width: 290px; padding: 8px; border-radius: 14px;
    background: rgba(250, 249, 247, .94); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, .7); box-shadow: 0 24px 48px -24px rgba(40, 60, 90, .35), 0 6px 18px -8px rgba(40, 60, 90, .2);
    opacity: 0; transform: translate(-50%, -6px); pointer-events: none; transition: opacity 160ms ease, transform 160ms ease; z-index: 1001; }
.nav-menu::before { content: ""; position: absolute; left: 0; right: 0; top: -8px; height: 8px; }
.nav__group:hover .nav-menu, .nav__group:focus-within .nav-menu { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }
.nav-menu ul { list-style: none; margin: 0; padding: 0; }
.nav-menu a { display: flex; align-items: center; gap: 12px; padding: 9px 10px; border-radius: 9px; text-decoration: none; color: var(--color-text); transition: background 120ms ease; }
.nav-menu a:hover { background: rgba(45, 90, 123, .08); }
.nav-menu__num { flex: 0 0 auto; width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; background: var(--color-accent-light); color: var(--color-accent);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .72rem; font-weight: 600; }
.nav-menu__label { display: block; font-size: .92rem; font-weight: 500; line-height: 1.2; }
.nav-menu__sub { display: block; font-size: .78rem; color: var(--color-text-muted); margin-top: 2px; }
@media (prefers-reduced-motion: reduce) { .nav-menu, .nav__item svg { transition: none; } }

/* phone menu: grouped lists, scrollable */
.nav-mobile { position: fixed; top: 0; right: -100%; width: 100%; height: 100dvh; background: var(--color-bg); display: flex; flex-direction: column;
    align-items: stretch; gap: 0; padding: 84px 28px 40px; box-sizing: border-box; overflow-y: auto; -webkit-overflow-scrolling: touch; transition: right 0.4s ease; }
.nav-mobile.active { right: 0; }
.nav-mobile__group { padding: 10px 0 14px; border-bottom: 1px dashed var(--color-border); }
.nav-mobile__group:last-child { border-bottom: none; }
.nav-mobile__title { display: block; font-family: var(--font-display); font-size: 1.35rem; color: var(--color-text); text-decoration: none; margin-bottom: 4px; }
.nav-mobile__title.is-active { color: var(--color-accent); }
.nav-mobile__group a:not(.nav-mobile__title) { display: block; font-family: var(--font-body); font-size: .95rem; color: var(--color-text-muted); text-decoration: none; padding: 4px 0 4px 12px; }
@media (prefers-reduced-motion: reduce) { .nav-mobile { transition: none; } }

/* ===== Sub-page intro (replaces the profile hero on the inner pages) ===== */
.page-intro { padding: 130px 0 var(--space-md); }
.page-intro h1 { font-size: 2.6rem; margin-bottom: var(--space-xs); }
.page-intro p { max-width: 640px; color: var(--color-text-muted); font-size: 1.05rem; line-height: 1.6; margin: 0; }
@media (max-width: 767px) { .page-intro { padding-top: 104px; } .page-intro h1 { font-size: 2rem; } }

/* ===== Placeholder block for pages under construction ===== */
.placeholder-card { display: grid; place-items: center; text-align: center; min-height: 240px; padding: var(--space-lg) var(--space-md);
    border: 1px dashed var(--color-border); border-radius: 12px; color: var(--color-text-muted);
    background: repeating-linear-gradient(45deg, transparent 0 14px, rgba(45, 90, 123, 0.04) 14px 28px); }
.placeholder-card strong { display: block; font-family: var(--font-display); font-size: 1.4rem; color: var(--color-text); font-weight: 400; margin-bottom: 6px; }

/* anchored sections clear the fixed header */
section[id] { scroll-margin-top: 80px; }

/* tablet: tighter nav so five items fit between the logo and the edge */
@media (min-width: 768px) and (max-width: 1023px) {
    .nav__item { font-size: .84rem; padding: 8px 7px; gap: 4px; }
    .nav { gap: 0; }
    .nav-logo { font-size: 1.1rem; }
}

/* phone menu density */
.nav-mobile__title { font-size: 1.2rem; }
.nav-mobile__group { padding: 8px 0 10px; }
.nav-mobile__group a:not(.nav-mobile__title) { padding: 3px 0 3px 12px; }

/* first section on pages without a hero: clear the fixed header */
.first-section { padding-top: calc(70px + var(--space-lg)); }

/* ===== Research topic pages ===== */
.topic-back { display: block; width: max-content; font-size: .85rem; color: var(--color-text-muted); text-decoration: none; margin-bottom: var(--space-sm); }
.topic-back:hover { color: var(--color-accent); }
#topic h1 { font-size: 2.4rem; margin-bottom: var(--space-sm); }
.topic-para { max-width: 760px; font-size: 1.08rem; line-height: 1.7; margin-bottom: var(--space-lg); }
.topic-media { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-md); }
.topic-media--single { grid-template-columns: minmax(0, 720px); }
@media (max-width: 767px) { .topic-media { grid-template-columns: 1fr; } }
.topic-media__item { margin: 0; }
.topic-media__item video { width: 100%; max-height: 440px; object-fit: contain; display: block; border-radius: 12px; background: var(--color-bg-alt); border: 1px solid var(--color-border); }
.topic-media { align-items: start; }
.topic-media__item figcaption { font-size: .85rem; color: var(--color-text-muted); margin-top: 8px; }
.media-placeholder { display: grid; place-items: center; text-align: center; min-height: 280px; padding: var(--space-md); border: 1px dashed var(--color-border); border-radius: 12px; color: var(--color-text-muted);
    background: repeating-linear-gradient(45deg, transparent 0 14px, rgba(45, 90, 123, 0.04) 14px 28px); }
.media-placeholder strong { display: block; font-family: var(--font-display); font-size: 1.3rem; color: var(--color-text); font-weight: 400; margin-bottom: 6px; }
a.topic-work { text-decoration: none; color: inherit; border-radius: 8px; transition: background 120ms ease; }
a.topic-work:hover { background: rgba(45, 90, 123, .06); }
a.topic-work .pres-title { color: var(--color-text); }
.project-title-link { color: inherit; text-decoration: none; border-bottom: 1px solid transparent; transition: border-color 140ms ease, color 140ms ease; }
.project-title-link:hover { color: var(--color-accent); border-bottom-color: var(--color-accent); }
.project-title-link::after { content: " \2197"; font-size: .8em; color: var(--color-text-muted); }
.topic-media--rows { grid-template-columns: minmax(0, 720px); }
.topic-media--rows video { max-height: 560px; }

/* ===== click-through preview of an external site ===== */
.site-preview { position: relative; display: block; max-width: 900px; border-radius: 14px; overflow: hidden; border: 1px solid var(--color-border);
    box-shadow: 0 20px 48px -24px rgba(40, 60, 90, .35); text-decoration: none; color: inherit; background: #fff; transition: transform .25s ease, box-shadow .25s ease; }
.site-preview:hover { transform: translateY(-3px); box-shadow: 0 28px 56px -24px rgba(40, 60, 90, .45); }
.site-preview img { display: block; width: 100%; height: auto; }
.site-preview__badge { position: absolute; top: 14px; right: 14px; padding: 7px 12px; border-radius: 999px; background: var(--color-accent); color: #fff; font-size: .8rem; font-weight: 600; letter-spacing: .02em; }
.site-preview__caption { display: block; padding: 10px 14px; font-size: .85rem; color: var(--color-text-muted); border-top: 1px solid var(--color-border); background: var(--color-bg); }
.activity-preview--flat { aspect-ratio: auto; max-width: 520px; }
.activity-preview--flat .site-preview { max-width: none; }

/* compact activity cards */
.activity-card { padding: 1.5rem 1.75rem; gap: 1.5rem; }
@media (min-width: 768px) { .activity-card { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); } }
.activity-preview { max-width: 340px; }
.activity-preview--flat { max-width: 440px; }
.activities-grid { gap: 1.25rem; }
.activity-card h3 { font-size: 1.2rem; line-height: 1.3; }
.activity-meta { margin-bottom: .5rem; font-size: .9rem; }
.activity-content p:last-child { font-size: .95rem; }
@media (min-width: 768px) { .activity-card { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); } }

/* highlighted "new" activity */
.activity-card { position: relative; }
.activity-card--new { border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(45, 90, 123, .12), 0 18px 40px -24px rgba(45, 90, 123, .35);
    background: linear-gradient(135deg, rgba(45, 90, 123, .06), transparent 45%), var(--color-bg-alt); }
.activity-new { position: absolute; top: 14px; left: 14px; z-index: 2; padding: 4px 11px; border-radius: 999px; background: var(--color-accent); color: #fff;
    font-family: var(--font-body); font-size: .68rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; box-shadow: 0 4px 10px -4px rgba(45, 90, 123, .6); }
.activity-new::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: #fff; margin-right: 6px; vertical-align: 1px;
    animation: activity-new-pulse 1.6s ease-in-out infinite; }
@keyframes activity-new-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
@media (prefers-reduced-motion: reduce) { .activity-new::before { animation: none; } }
.activity-card--new .activity-content { padding-top: 1.4rem; }

/* ===== Developer page ===== */
.dev-lede { max-width: 640px; color: var(--color-text-muted); font-size: 1.05rem; margin-bottom: var(--space-lg); }
.dev-list { display: grid; gap: var(--space-md); }
.dev-project { display: grid; gap: 1.5rem; padding: 1.5rem 1.75rem; background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: 6px; }
@media (min-width: 768px) {
    .dev-project { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); align-items: center; }
    .dev-project--flip .dev-media { order: 2; }
    .dev-project--flip .dev-content { order: 1; }
}
.dev-media video, .dev-media .yt-lite, .dev-media > img { width: 100%; display: block; border-radius: 12px; border: 1px solid var(--color-border); background: #000; }
.dev-media video { max-height: 460px; object-fit: contain; background: var(--color-bg); }
.dev-media__caption { font-size: .85rem; color: var(--color-text-muted); margin: 8px 0 0; }
.dev-project h3 { font-size: 1.5rem; margin: 0 0 .25rem; }
.dev-meta { font-size: .95rem; color: var(--color-text-muted); margin-bottom: .75rem; }
.dev-content p:not(.dev-meta):not(.activity-kicker) { font-size: .98rem; }
.dev-links { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: .75rem 0 0; }
.dev-links a { font-size: .9rem; font-weight: 600; color: var(--color-accent); text-decoration: none; }
.dev-links a:hover { text-decoration: underline; }
.dev-tags { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin: .9rem 0 0; padding: 0; }
.dev-tags li { font-size: .74rem; letter-spacing: .04em; padding: 4px 10px; border-radius: 999px; background: var(--color-accent-light); color: var(--color-accent); }

/* click-to-load YouTube embed: nothing is fetched from YouTube until the visitor presses play */
.yt-lite { position: relative; aspect-ratio: 16 / 9; overflow: hidden; cursor: pointer; }
.yt-lite img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .35s ease; }
.yt-lite:hover img { transform: scale(1.03); }
.yt-lite__play { position: absolute; inset: 0; margin: auto; width: 68px; height: 48px; padding: 0; border: 0; background: transparent; cursor: pointer; filter: drop-shadow(0 6px 14px rgba(0, 0, 0, .45)); transition: transform .2s ease; }
.yt-lite:hover .yt-lite__play { transform: scale(1.08); }
.yt-lite__play svg { width: 100%; height: 100%; }
.yt-lite iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ===== Music page ===== */
.music-lede { max-width: 720px; color: var(--color-text-muted); font-size: 1.05rem; margin-bottom: var(--space-md); }
.music-channel { display: inline-flex; align-items: center; gap: 8px; margin-left: 10px; padding: 4px 12px 4px 4px; border-radius: 999px; background: #fff; border: 1px solid var(--color-border);
    font-size: .85rem; font-weight: 600; color: var(--color-accent); text-decoration: none; vertical-align: middle; }
.music-channel img { width: 22px; height: 22px; border-radius: 50%; }
.music-stage { display: grid; gap: var(--space-md); align-items: start; }
@media (min-width: 900px) { .music-stage { grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr); } }
.bili-lite { position: relative; aspect-ratio: 16 / 9; border-radius: 14px; overflow: hidden; background: #000; border: 1px solid var(--color-border);
    box-shadow: 0 24px 48px -24px rgba(40, 60, 90, .45); cursor: pointer; }
.bili-lite img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s ease; }
.bili-lite:hover img { transform: scale(1.03); }
.bili-lite__play { position: absolute; inset: 0; margin: auto; width: 76px; height: 76px; padding: 0; border: 0; background: transparent; cursor: pointer;
    filter: drop-shadow(0 8px 18px rgba(0, 0, 0, .45)); transition: transform .2s ease; }
.bili-lite:hover .bili-lite__play { transform: scale(1.08); }
.bili-lite__play svg { width: 100%; height: 100%; }
.bili-lite iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.bili-lite.is-playing img, .bili-lite.is-playing .bili-lite__play { display: none; }
.music-now h3 { font-size: 1.9rem; margin: 0 0 .3rem; }
.music-now__meta { color: var(--color-text-muted); font-size: .95rem; margin-bottom: .75rem; }
.music-now__hint { font-size: .9rem; color: var(--color-text-muted); margin-bottom: .75rem; }
.music-now__link { font-size: .9rem; font-weight: 600; color: var(--color-accent); text-decoration: none; }
.music-now__link:hover { text-decoration: underline; }

.music-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 18px 16px; }
.music-tile { display: block; text-align: left; padding: 0; border: 0; background: transparent; cursor: pointer; color: var(--color-text); font-family: var(--font-body); border-radius: 12px; }
.music-tile__cover { position: relative; display: block; aspect-ratio: 16 / 10; border-radius: 12px; overflow: hidden; background: var(--color-bg-alt); border: 1px solid var(--color-border);
    box-shadow: 0 10px 24px -16px rgba(40, 60, 90, .4); transition: transform .25s ease, box-shadow .25s ease; }
.music-tile__cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.music-tile__dur { position: absolute; right: 8px; bottom: 8px; padding: 2px 7px; border-radius: 6px; background: rgba(0, 0, 0, .65); color: #fff; font-size: .72rem; font-weight: 600; }
.music-tile:hover .music-tile__cover { transform: translateY(-3px); box-shadow: 0 18px 32px -16px rgba(40, 60, 90, .5); }
.music-tile__name { display: block; margin-top: 10px; font-family: var(--font-display); font-size: 1.15rem; line-height: 1.2; }
.music-tile__meta { display: block; font-size: .82rem; color: var(--color-text-muted); margin-top: 2px; }
.music-tile.is-current .music-tile__cover { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.music-tile.is-current .music-tile__name { color: var(--color-accent); }
.music-tile:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 4px; }

/* ===== Favorite artists (authors-style row, compact) ===== */
.section-rule { display: block; width: 56px; height: 3px; background: var(--color-border); margin: 0 auto 18px; }
.section-label--center { display: block; text-align: center; letter-spacing: .2em; }
.h2--center { text-align: center; margin-bottom: var(--space-lg); }
.artists-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: var(--space-md) 20px; justify-items: center; }
.artist { display: flex; flex-direction: column; align-items: center; text-align: center; text-decoration: none; color: var(--color-text); width: 100%; max-width: 200px; }
.artist__photo { display: block; width: 120px; height: 120px; border-radius: 50%; overflow: hidden; border: 3px solid #fff; box-shadow: 0 10px 26px -14px rgba(40, 60, 90, .45);
    transition: transform .25s ease, box-shadow .25s ease; }
.artist__photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.artist:hover .artist__photo { transform: translateY(-4px); box-shadow: 0 18px 34px -14px rgba(40, 60, 90, .55); }
.artist__name { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-family: var(--font-body); font-weight: 600; font-size: .95rem; letter-spacing: .12em; text-transform: uppercase; }
.artist__name svg { width: 13px; height: 13px; color: var(--color-text-muted); transition: transform .2s ease, color .2s ease; }
.artist:hover .artist__name svg { transform: translate(2px, -2px); color: var(--color-accent); }
.artist__jp { display: block; margin-top: 4px; font-size: .78rem; letter-spacing: .14em; color: var(--color-text-muted); text-transform: uppercase; }
.artist__tags { display: block; margin-top: 10px; font-size: .88rem; line-height: 1.6; color: var(--color-text-muted); }

/* ===== Hero: three doors into the site (icon-in-halo style from the paper site) ===== */
.hero-paths { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin: var(--space-xl) auto 0; max-width: 720px; }
.hero-path { display: flex; flex-direction: column; align-items: center; text-align: center; text-decoration: none; color: var(--color-text); padding: 8px 4px; border-radius: 16px; transition: transform .16s ease; }
.hero-path:hover { transform: translateY(-3px); }
.hero-path__icon { position: relative; display: grid; place-items: center; width: 72px; height: 72px; border-radius: 50%; margin-bottom: 22px; background: #fff; color: var(--color-text);
    box-shadow: 0 1px 0 rgba(255, 255, 255, .9) inset, 0 8px 22px -12px rgba(40, 60, 90, .35); }
.hero-path__icon::before { content: ""; position: absolute; inset: -14px; border-radius: 50%; z-index: -1; filter: blur(14px); opacity: .28; transition: opacity .2s ease, transform .2s ease; }
.hero-path:hover .hero-path__icon::before { opacity: .5; transform: scale(1.08); }
.hero-path--blue .hero-path__icon::before { background: radial-gradient(circle at 30% 30%, #9cbcd3, #2d5a7b 70%, transparent 72%); }
.hero-path--warm .hero-path__icon::before { background: radial-gradient(circle at 30% 30%, #f0b8ad, #c44536 70%, transparent 72%); }
.hero-path--green .hero-path__icon::before { background: radial-gradient(circle at 30% 30%, #b9d9c0, #3d7a55 70%, transparent 72%); }
.hero-path__icon svg { width: 28px; height: 28px; }
.hero-path__label { font-family: var(--font-body); font-weight: 400; font-size: .9rem; letter-spacing: .1em; text-transform: uppercase; color: #444; line-height: 1.3; }
@media (max-width: 767px) { .hero-paths { margin-left: auto; margin-right: auto; gap: 12px; } .hero { padding-bottom: 72px; } }
@media (max-width: 480px) { .hero-path__icon { width: 60px; height: 60px; margin-bottom: 14px; } .hero-path__icon svg { width: 24px; height: 24px; } .hero-path__label { font-size: .74rem; letter-spacing: .08em; } }

/* the scroll cue is redundant on phones, where the hero already runs past one screen */
@media (max-width: 767px) { .scroll-indicator { display: none; } }

@media (min-width: 768px) { .hero { padding-bottom: 96px; } }

/* centre the photo+text block so the three doors below line up with it */
@media (min-width: 768px) {
    .hero-content { max-width: 860px; margin: 0 auto; }
    .hero-paths { margin-top: calc(var(--space-xl) + 24px); }
}

/* overall scale: the rem-based type and spacing shrink together on desktop; the phone stays at 100% */
@media (min-width: 768px) {
    html { font-size: 90%; }
    .hero-image { width: 240px; height: 240px; }
    .hero-path__icon { width: 64px; height: 64px; margin-bottom: 18px; }
    .hero-path__icon svg { width: 26px; height: 26px; }
    .hero-paths { max-width: 660px; }
}

/* doors share the hero block's edges: first icon under the photo, last mirrored, middle on the page centre */
@media (min-width: 768px) {
    .hero-paths { display: flex; justify-content: space-between; max-width: 860px; gap: 0; }
    .hero-path { width: 240px; flex: 0 0 240px; }
}

/* nav links sit at the right edge, logo at the left */
nav.container { grid-template-columns: auto 1fr auto; }
nav.container .nav { grid-column: 2; justify-self: end; }
nav.container .nav-toggle { grid-column: 3; }
.nav__group:last-of-type .nav-menu { left: auto; right: 0; transform: translate(0, -6px); }
.nav__group:last-of-type:hover .nav-menu, .nav__group:last-of-type:focus-within .nav-menu { transform: translate(0, 0); }

/* hero doors: the same ↗ cue as the research card titles, so they read as links */
.hero-path__label::after { content: "\2197"; margin-left: 6px; font-size: .85em; color: var(--color-text-muted); transition: transform .2s ease, color .2s ease; display: inline-block; }
.hero-path:hover .hero-path__label { color: var(--color-accent); }
.hero-path:hover .hero-path__label::after { color: var(--color-accent); transform: translate(2px, -2px); }

/* ===== "Keep exploring" row at the end of research / developer / music / topic pages ===== */
.explore { padding-top: var(--space-lg); padding-bottom: var(--space-lg); }
.explore .hero-paths { margin-top: 0; }
@media (min-width: 768px) { .explore .hero-paths { margin-top: 0; max-width: 860px; } }
.hero-path--grey .hero-path__icon::before { background: radial-gradient(circle at 30% 30%, #d9d3c8, #6b6257 70%, transparent 72%); }
/* same collapsible header as Contact (title centred in the space left of the icon), so the two line up */
.explore { text-align: center; }
.explore .section-content { padding-top: var(--space-sm); }

/* ===== Language switcher (globe menu; on phones it sits left of the hamburger) ===== */
nav.container .nav-right { grid-column: 3; justify-self: end; display: flex; align-items: center; gap: 6px; }
nav.container .nav-toggle { grid-column: auto; }
.nav-lang { display: block; }
.nav-lang__btn { gap: 6px; background: none; border: 0; cursor: pointer; font: inherit; }
.nav-lang__globe { width: 16px !important; height: 16px !important; transform: none !important; }
.nav-lang__code { font-size: .8rem; font-weight: 600; letter-spacing: .04em; min-width: 1.6em; text-align: center; }
.nav-menu--right { left: auto; right: 0; transform: translate(0, -6px); min-width: 200px; }
.nav__group:hover .nav-menu--right, .nav__group:focus-within .nav-menu--right, .nav-lang.is-open .nav-menu--right { opacity: 1; transform: translate(0, 0); pointer-events: auto; }
.nav-menu--lang a { justify-content: space-between; }
.nav-lang__check { color: var(--color-accent); font-weight: 700; opacity: 0; }
.nav-menu--lang a.is-active .nav-lang__check { opacity: 1; }
@media (max-width: 767px) {
    nav.container .nav-right { gap: 10px; }
    .nav-lang__btn { padding: 8px 6px; }
    .nav-lang__btn > svg:last-child { display: none; }
    .nav-lang__globe { width: 20px !important; height: 20px !important; }
    .nav-lang__code { font-size: .74rem; }
    .nav-menu--right { min-width: 180px; }
}
/* CJK fallbacks behind the Latin fonts; only active when the page is switched */
html[data-lang="zh-Hans"] body, html[data-lang="zh-Hans"] .nav, html[data-lang="zh-Hans"] .nav-mobile { font-family: 'Source Sans 3', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif; }
html[data-lang="zh-Hant"] body, html[data-lang="zh-Hant"] .nav, html[data-lang="zh-Hant"] .nav-mobile { font-family: 'Source Sans 3', 'PingFang TC', 'Hiragino Sans CNS', 'Microsoft JhengHei', 'Noto Sans TC', sans-serif; }
html[data-lang="ja"] body, html[data-lang="ja"] .nav, html[data-lang="ja"] .nav-mobile { font-family: 'Source Sans 3', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', 'Meiryo', 'Noto Sans JP', sans-serif; }
html[data-lang="zh-Hans"] h1, html[data-lang="zh-Hans"] h2, html[data-lang="zh-Hans"] h3, html[data-lang="zh-Hans"] .pres-title, html[data-lang="zh-Hans"] .pub-title { font-family: 'Instrument Serif', 'Songti SC', 'STSong', 'Noto Serif SC', Georgia, serif; }
html[data-lang="zh-Hant"] h1, html[data-lang="zh-Hant"] h2, html[data-lang="zh-Hant"] h3, html[data-lang="zh-Hant"] .pres-title, html[data-lang="zh-Hant"] .pub-title { font-family: 'Instrument Serif', 'Songti TC', 'PMingLiU', 'Noto Serif TC', Georgia, serif; }
html[data-lang="ja"] h1, html[data-lang="ja"] h2, html[data-lang="ja"] h3, html[data-lang="ja"] .pres-title, html[data-lang="ja"] .pub-title { font-family: 'Instrument Serif', 'Hiragino Mincho ProN', 'Yu Mincho', 'Noto Serif JP', Georgia, serif; }
html:not([data-lang="en"]) .hero-path__label, html:not([data-lang="en"]) .artist__name, html:not([data-lang="en"]) .section-label { letter-spacing: .06em; }