/* Base Styles */
:root {
    --primary-color: #005aa0;
    --secondary-color: #F5B000;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --text-color: #333;
    --text-light: #7f8c8d;
    --white: #ffffff;
    --gray: #f5f5f5;
    --border-radius: 4px;
    --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
    overflow-x: hidden;
}

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.page-header {
    padding: 8rem 0 4rem;
    background: var(--primary-color);
    color: var(--white);
    text-align: center;
}

.page-header h1 {
    margin-bottom: 1rem;
    color: var(--white);
    font-size: clamp(2rem, 5vw, 2.75rem);
}

.page-header p {
    max-width: 760px;
    margin: 0 auto;
    font-size: 1.05rem;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

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

a:hover {
    color: var(--secondary-color);
}

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
}

.bg-light {
    background-color: var(--gray);
}

.text-center {
    text-align: center;
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--secondary-color);
    color: var(--white);
}

.btn-primary:hover {
    background-color: #D49900;
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: #D49900;
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 1rem 0;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--primary-color);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 5px 0;
    transition: var(--transition);
}

/* Navigation */
.main-nav ul {
    display: flex;
    align-items: center;
}

.main-nav li {
    margin-left: 1.5rem;
}

.main-nav a {
    color: var(--dark-color);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

.lang-switch a {
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    background-color: var(--light-color);
    font-size: 0.9rem;
}

.lang-switch a.active {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Hero Section */
.hero {
    position: relative;
    height: 560px;
    display: flex;
    align-items: center;
    background-color: #e9eef2;
    color: var(--white);
    text-align: center;
    margin-top: 70px;
    overflow: hidden;
    isolation: isolate;
}

.hero-slides {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0;
    transition: opacity 1.2s ease-in-out;
}

.hero-slide.is-active {
    opacity: 1;
}

.hero-slide--campus {
    object-position: center 20%;
}

.hero-slide--lab {
    object-position: center 25%;
}

.hero-slide--event {
    object-position: center 58%;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.75);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero > .container {
    position: relative;
    z-index: 2;
}

.hero-slider-toggle {
    position: absolute;
    right: 28px;
    bottom: 28px;
    z-index: 3;
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border: 1px solid rgba(0, 91, 172, 0.22);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.88);
    color: var(--primary-color);
    font-size: 0.95rem;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.hero-slider-toggle:hover,
.hero-slider-toggle:focus-visible {
    background: var(--white);
    transform: scale(1.06);
}

.hero-slider-toggle:focus-visible {
    outline: 3px solid rgba(0, 91, 172, 0.35);
    outline-offset: 3px;
}

.hero h2 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
    line-height: 1.4;
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    color: var(--dark-color);
}

.hero .hero-lab-title {
    display: grid;
    gap: 0.18em;
    margin-bottom: 1.25rem;
    color: var(--primary-color);
    font-size: clamp(1.55rem, 3.2vw, 2.8rem);
    line-height: 1.18;
    letter-spacing: 0.025em;
}

.hero-lab-title span {
    display: block;
}

/* About Section */
.about-content {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    align-items: center;
    margin-top: 2rem;
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-image {
    flex: 1;
    min-width: 300px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.about-image img {
    width: 100%;
    height: auto;
    transition: var(--transition);
}

.about-image img:hover {
    transform: scale(1.03);
}

.keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1.5rem;
}

.keyword {
    background-color: var(--light-color);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.keyword:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Research Section */
.research-intro {
    max-width: 800px;
    margin: 0 auto 3rem;
    text-align: center;
    font-size: 1.1rem;
    line-height: 1.8;
}

.research-theme {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 3rem;
    margin-bottom: 4rem;
}

.research-theme.reverse {
    flex-direction: row-reverse;
}

.research-theme-content {
    flex: 1;
    min-width: 300px;
}

.research-theme h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    position: relative;
    padding-bottom: 0.8rem;
}

.research-theme h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--secondary-color);
}

.research-theme p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.research-theme-image {
    flex: 1;
    min-width: 300px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.research-theme-image img {
    width: 100%;
    height: auto;
    transition: var(--transition);
}

.research-theme-image:hover img {
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .research-theme, 
    .research-theme.reverse {
        flex-direction: column;
    }
    
    .research-theme-image {
        margin-top: 1.5rem;
    }
}

/* Members Section */
.member-category {
    margin-bottom: 3rem;
}

.member-category h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--light-color);
}

.member-card {
    display: flex;
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    margin-bottom: 2rem;
}

.member-image {
    width: 200px;
    flex-shrink: 0;
}

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

.member-info {
    padding: 1.5rem;
    flex-grow: 1;
}

.member-title {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.member-researchmap {
    display: inline-block;
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

.member-specialty {
    color: var(--secondary-color);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.member-message {
    font-style: italic;
    color: var(--text-light);
}

.member-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
}

.member-card.small {
    flex-direction: column;
    margin-bottom: 0;
}

.member-card.small .member-image {
    width: 100%;
    height: 250px;
}

.alumni-list p {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
}

.alumni-list p::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* Publications Section */
.publication-category {
    margin-bottom: 2.5rem;
}

.publication-category h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.publication-list {
    list-style: none;
}

.publication-list li {
    margin-bottom: 1.2rem;
    padding-bottom: 1.2rem;
    border-bottom: 1px solid #eee;
}

.publication-title {
    font-weight: 500;
    display: block;
    margin-bottom: 0.3rem;
}

.publication-journal {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-right: 1rem;
}

.publication-doi {
    font-size: 0.9rem;
    color: var(--primary-color);
}

.achievement-preview-grid {
    display: grid;
    gap: 3.5rem;
}

.achievement-preview {
    padding-top: 1.25rem;
    border-top: 3px solid var(--primary-color);
}

.achievement-preview > h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    font-size: 1.45rem;
}

.achievement-list {
    list-style: none;
}

.achievement-item {
    display: grid;
    grid-template-columns: 7.5rem minmax(0, 1fr);
    gap: 0.4rem 1.25rem;
    padding: 1.15rem 0;
    border-bottom: 1px solid #dce2e7;
}

.achievement-item:first-child {
    border-top: 1px solid #dce2e7;
}

.achievement-date {
    grid-row: 1 / span 4;
    color: var(--text-light);
    font-variant-numeric: tabular-nums;
    font-weight: 500;
}

.achievement-title {
    color: var(--primary-color);
    font-weight: 600;
    line-height: 1.65;
}

.achievement-authors,
.achievement-detail {
    color: var(--text-light);
    font-size: 0.92rem;
    line-height: 1.65;
}

.achievement-more {
    display: flex;
    justify-content: flex-end;
    gap: 0.6rem;
    margin-top: 1.25rem;
    color: var(--primary-color);
    font-weight: 600;
}

.achievement-more:hover span {
    transform: translateX(4px);
}

.achievement-more span {
    transition: transform 0.2s ease;
}

.achievement-archive {
    max-width: 1050px;
    margin: 0 auto;
}

/* Facilities Section */
.facility-category {
    margin-bottom: 2.5rem;
}

.facility-category h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--light-color);
}

.facility-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    list-style: none;
}

.facility-list li {
    background-color: var(--white);
    padding: 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.facility-list li:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Join Us Section */
.join-content {
    max-width: 800px;
    margin: 0 auto;
}

.join-content h3 {
    color: var(--primary-color);
    margin: 2rem 0 1rem;
    font-size: 1.3rem;
}

.join-content ul, 
.join-content ol {
    margin: 1rem 0 2rem 1.5rem;
}

.join-content li {
    margin-bottom: 0.5rem;
}

.join-content .btn {
    margin-top: 1rem;
}

/* News Section */
.news-section-heading {
    display: flex;
    align-items: baseline;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.news-section-heading h2 {
    color: var(--primary-color);
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    letter-spacing: 0.07em;
}

.news-section-heading p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.news-list {
    max-width: 1050px;
    margin: 0 auto;
    border-top: 1px solid #ccd4da;
}

.news-item {
    border-bottom: 1px solid #ccd4da;
}

.news-row {
    display: grid;
    grid-template-columns: 8.5rem 6.5rem minmax(0, 1fr) 1.5rem;
    align-items: center;
    gap: 1rem;
    min-height: 5rem;
    padding: 1rem 0.5rem;
    color: inherit;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.news-row:hover,
.news-row:focus-visible {
    background: #f3f7fa;
    color: var(--primary-color);
}

.news-row:focus-visible {
    outline: 3px solid rgba(0, 91, 172, 0.25);
    outline-offset: 2px;
}

.news-item time {
    color: var(--text-light);
    font-size: 0.92rem;
    font-variant-numeric: tabular-nums;
}

.news-category {
    display: inline-flex;
    justify-content: center;
    padding: 0.3rem 0.55rem;
    border: 1px solid #b9cad7;
    color: var(--primary-color);
    font-size: 0.78rem;
    font-weight: 600;
}

.news-item h3 {
    margin: 0;
    color: inherit;
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.6;
}

.news-arrow {
    color: var(--primary-color);
    transition: transform 0.2s ease;
}

.news-row:hover .news-arrow {
    transform: translateX(4px);
}

.news-index-link {
    display: flex;
    justify-content: flex-end;
    max-width: 1050px;
    margin: 1.5rem auto 0;
}

.news-index-link a {
    display: inline-flex;
    gap: 0.6rem;
    color: var(--primary-color);
    font-weight: 600;
}

.read-more {
    font-weight: 500;
    color: var(--primary-color);
    display: inline-flex;
    align-items: center;
}

.read-more::after {
    content: '→';
    margin-left: 0.5rem;
    transition: var(--transition);
}

.read-more:hover::after {
    transform: translateX(5px);
}

/* Access Section */
.access-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.access-info h3 {
    color: var(--primary-color);
    margin: 1.5rem 0 1rem;
    font-size: 1.3rem;
}

.access-info h3:first-child {
    margin-top: 0;
}

.access-info address {
    font-style: normal;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.access-station {
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.access-map {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    height: 100%;
    min-height: 400px;
}

.access-map iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.contact-info h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.contact-info p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--light-color);
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-icon:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

.contact-form h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group .required {
    color: var(--secondary-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 90, 160, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.research-participant {
    background-color: var(--light-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
}

.research-participant h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.research-participant a {
    font-weight: 500;
    text-decoration: underline;
}

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: var(--white);
    padding: 4rem 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-logo p {
    opacity: 0.8;
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-column ul li {
    margin-bottom: 0.8rem;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    opacity: 0.7;
    font-size: 0.9rem;
}

.language-switch a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.language-switch a.active {
    color: var(--white);
    font-weight: 500;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--secondary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: #D49900;
    transform: translateY(-3px);
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .access-content,
    .contact-content,
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .access-map {
        min-height: 300px;
    }
}

@media (max-width: 992px) {
    .research-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .member-card {
        flex-direction: column;
    }
    
    .member-image {
        width: 100%;
        height: 300px;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .section {
        padding: 4rem 0;
    }
    
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1.2rem;
    }

    .news-row {
        grid-template-columns: 7rem minmax(0, 1fr) 1.25rem;
        gap: 0.65rem;
    }

    .news-category {
        grid-column: 1;
        grid-row: 2;
        justify-self: start;
    }

    .news-item h3 {
        grid-column: 2;
        grid-row: 1 / span 2;
    }

    .news-arrow {
        grid-column: 3;
        grid-row: 1 / span 2;
    }

    .achievement-item {
        grid-template-columns: 1fr;
    }

    .achievement-date {
        grid-row: auto;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        right: -300px;
        width: 300px;
        height: 100vh;
        background-color: var(--white);
        padding: 6rem 2rem 2rem;
        transition: var(--transition);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        overflow-y: auto;
    }
    
    .main-nav.active {
        right: 0;
    }
    
    .main-nav ul {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .main-nav li {
        margin: 0 0 1.5rem;
        width: 100%;
    }
    
    .main-nav a {
        display: block;
        padding: 0.5rem 0;
        width: 100%;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .hero {
        min-height: 500px;
    }

    .hero-slider-toggle {
        right: 16px;
        bottom: 16px;
        width: 40px;
        height: 40px;
    }
    
    .hero h2 { font-size: 1.8rem; }

    .hero .hero-lab-title {
        font-size: clamp(1.05rem, 5.5vw, 1.6rem);
        letter-spacing: 0;
    }

    .hero-lab-title span {
        white-space: nowrap;
    }

    .news-section-heading {
        display: block;
    }

    .news-section-heading p {
        margin-top: 0.25rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .btn {
        width: 100%;
        padding: 0.8rem;
    }
    
    .facility-list {
        grid-template-columns: 1fr;
    }
    
    .back-to-top {
        width: 45px;
        height: 45px;
        font-size: 1rem;
        bottom: 1.5rem;
        right: 1.5rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .hero-slide {
        transition: none;
    }
}

.publication-authors {
    display: block;
    color: #111;
    margin-bottom: 0.5rem;
}