/* Global Styles */
:root {
    --primary-color: #1e1e27;
    --secondary-color: #28242a;
    --accent-color: #df0139;
    --background-color: #e2e2e2;
    --text-color: #1e1e27;
    --light-gray: #f0f0f0;
    --dark-gray: #28242a;
    --transition-speed: 0.3s;
    --heading-font: 'Montserrat', 'Noto Sans JP', sans-serif;
    --body-font: 'Poppins', 'Noto Sans JP', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    height: 100%;
    overflow-x: hidden;
    width: 100%;
}

html.lenis-smooth {
    scroll-behavior: auto;
}

.lenis.lenis-smooth {
    scroll-behavior: auto;
}

.lenis.lenis-smooth [data-lenis-prevent] {
    overscroll-behavior: contain;
}

.lenis.lenis-stopped {
    overflow: hidden;
}

.lenis.lenis-scrolling iframe {
    pointer-events: none;
}

body {
    font-family: var(--body-font);
    color: var(--text-color);
    background-color: transparent;
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
    font-size: 16px;
    font-weight: 300;
    width: 100%;
}

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--primary-color);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
    text-align: center;
    position: relative;
    color: var(--primary-color);
    font-family: var(--heading-font);
    letter-spacing: 1px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--accent-color);
}

section {
    padding: 100px 0;
    position: relative;
}

.about, .members, .contact {
    background-color: var(--background-color);
}

.discography, .activity {
    background-color: #f5f5f7;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 40px;
    z-index: 1000;
    transition: all 0.4s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
    
    /* グラスモーフィズム効果 */
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.navbar.scrolled {
    background: rgba(192, 192, 192, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 15px 40px;
}

.navbar-logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #fff;
    font-family: var(--heading-font);
    font-weight: 600;
    font-size: 1.5rem;
    letter-spacing: 1px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.navbar-logo-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-right: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.navbar.scrolled .navbar-logo a {
    color: #fff;
}

.navbar.scrolled .navbar-logo-img {
    width: 35px;
    height: 35px;
}

.navbar-links {
    display: flex;
    gap: 30px;
}

.navbar-links a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    position: relative;
    padding: 5px 0;
    transition: all 0.3s ease;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.navbar-links a:hover {
    color: #fff;
}

.navbar.scrolled .navbar-links a {
    color: rgba(255, 255, 255, 0.8);
}

.navbar-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
    box-shadow: 0 0 8px rgba(223, 1, 57, 0.5);
}

.navbar-links a:hover::after {
    width: 100%;
}

.navbar-hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    cursor: pointer;
    z-index: 1001;
}

.navbar-hamburger span {
    display: block;
    height: 2px;
    width: 100%;
    background-color: #fff;
    transition: all 0.3s ease;
    border-radius: 2px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.navbar.scrolled .navbar-hamburger span {
    background-color: #fff;
}

.navbar-hamburger.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.navbar-hamburger.active span:nth-child(2) {
    opacity: 0;
}

.navbar-hamburger.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(30, 30, 39, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}

.menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Hero Section */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: left;
    color: white;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-image-container {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.5);
    opacity: 0;
    animation: imageZoomOut 2.5s cubic-bezier(0.25, 0.1, 0.25, 1.0) forwards;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5); /* 半透明な黒色に変更 */
    opacity: 1; /* opacityを1に変更して確実に表示されるようにする */
    animation: fadeIn 1.5s ease forwards;
}

.hero-content {
    max-width: 1000px;
    padding: 0 40px;
    z-index: 1;
    position: relative;
    display: flex;
    align-items: flex-start;
}

.vertical-line {
    width: 4px;
    height: 0;
    background-color: var(--accent-color);
    margin-right: 40px;
    animation: lineDown 1.5s ease forwards;
    animation-delay: 2s;
    align-self: flex-start;
    margin-top: 15px;
}

.text-container {
    overflow: hidden;
}

.hero-title {
    font-family: var(--heading-font);
    font-size: 7rem;
    font-weight: 800;
    margin-bottom: 2rem;
    line-height: 1;
    text-transform: uppercase;
    overflow: hidden;
    text-align: left;
}

.hero-title .title-line {
    display: block;
    transform: translateX(-100%);
    opacity: 0;
    margin-bottom: 0.2em;
    animation: textRight 1s cubic-bezier(0.25, 0.1, 0.25, 1.0) forwards;
    background: linear-gradient(to bottom, #ffffff, #38495a);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 2px 10px rgba(255, 255, 255, 0.2);
}

.hero-title .title-line:nth-child(1) {
    animation-delay: 2.1s;
}

.hero-title .title-line:nth-child(2) {
    animation-delay: 2.3s;
}

.hero-title .title-line:nth-child(3) {
    animation-delay: 2.5s;
}

.hero-subtitle {
    font-family: var(--body-font);
    font-size: 1.8rem;
    font-weight: 300;
    margin-bottom: 3rem;
    letter-spacing: 1px;
    overflow: hidden;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.hero-subtitle span {
    display: block;
    transform: translateX(-100%);
    opacity: 0;
    animation: textRight 1s cubic-bezier(0.25, 0.1, 0.25, 1.0) forwards;
    animation-delay: 2.6s;
}

.cta-container {
    overflow: hidden;
}

.cta-button {
    display: inline-block;
    padding: 15px 30px;
    background-color: transparent;
    color: #fff;
    border: 2px solid var(--accent-color);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: all 0.3s ease;
    opacity: 0;
    animation: fadeIn 1s ease forwards;
    animation-delay: 3s;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background-color: var(--accent-color);
    z-index: -1;
    transition: width 0.3s ease;
}

.cta-button:hover {
    color: #fff;
}

.cta-button:hover::before {
    width: 100%;
}

/* Animation Keyframes */
@keyframes imageZoomOut {
    0% {
        transform: scale(1.5);
        opacity: 0;
    }
    30% {
        opacity: 0.3;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes fadeIn {
    0% {
        opacity: 0;
    }
    40% {
        opacity: 0.4;
    }
    100% {
        opacity: 1;
    }
}

@keyframes lineDown {
    0% {
        height: 0;
    }
    100% {
        height: 350px;
    }
}

@keyframes textRight {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 15px;
    display: flex;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.scroll-indicator span {
    width: 4px;
    height: 10px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    margin-top: 10px;
    animation: scrollIndicator 2s infinite;
}

@keyframes scrollIndicator {
    0% {
        transform: translateY(0);
        opacity: 1;
    }
    100% {
        transform: translateY(20px);
        opacity: 0;
    }
}

/* About Section */
.about {
    background-color: var(--light-gray);
    position: relative;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 80px;
}

.about-image {
    flex: 1;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-image img {
    width: 80%;
    max-width: 300px;
    transition: transform 0.6s ease;
}

.about-image:hover img {
    transform: scale(1.05);
}

.about-text {
    flex: 1;
}

.about-text p {
    font-size: 1.4rem; /* Increased from 1.1rem */
    line-height: 1.8;
    color: #888; /* Starting with gray color */
    transition: color 0.8s ease;
    margin-bottom: 1.2rem; /* Add spacing between lines */
    opacity: 0.8;
    transform: translateY(10px);
    transition: color 0.8s ease, opacity 0.8s ease, transform 0.8s ease;
}

/* Class to be added to lines that should change color */
.about-text .color-transition {
    color: #333; /* Target color (darker) */
    opacity: 1;
    transform: translateY(0);
}

/* Discography Section */
.discography {
    background-color: #fff;
    text-align: center;
}

.album-showcase {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 60px;
    margin: 0 auto 60px;
    max-width: 1000px;
}

.album-cover {
    width: 100%;
    max-width: 400px;
    border-radius: 5px;
    transition: all 0.3s ease;
    perspective: 1000px;
    transform-style: preserve-3d;
    margin: 0;
    padding: 20px;
    flex-shrink: 0;
}

.album-cover-3d {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.3s ease;
    border-radius: 5px;
    transform: rotateY(0deg) rotateX(0deg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transform-origin: center center;
    backface-visibility: hidden;
}

.album-cover img {
    width: 100%;
    display: block;
    border-radius: 5px;
    transition: transform 0.5s ease;
    padding: 1px;
}

.album-cover-glare {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.25) 0%,
        rgba(255, 255, 255, 0) 60%
    );
    opacity: 0.9;
    pointer-events: none;
    border-radius: 5px;
    transform: translateZ(1px);
}

.album-cover:hover {
    transform: translateY(-10px);
}

.album-cover:hover img {
    transform: scale(1.05);
}

.album-info {
    flex: 1;
    text-align: left;
    max-width: 500px;
}

.album-title {
    font-family: var(--heading-font);
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--primary-color);
    text-align: left;
}

.album-release {
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-bottom: 30px;
    font-weight: 500;
    text-align: left;
}

.track-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.track-list li {
    position: relative;
    padding: 10px 0 10px 25px;
    font-size: 1.1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    text-align: left;
}

.track-list li::before {
    content: '\f025'; /* Headphone icon - more recognizable than music note */
    font-family: 'Font Awesome 5 Free';
    font-weight: 900; /* Required for solid icons */
    position: absolute;
    left: 5px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent-color);
}

.music-player-container {
    margin: 40px auto;
    max-width: 800px;
}

.music-services {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.service-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 25px;
    margin: 0 10px 15px;
    background-color: #1a1a1a;
    color: #fff;
    border-radius: 30px;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
    /* Keep padding consistent on both sides */
    padding-right: 25px;
}

.service-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-100%);
    transition: transform 0.4s ease;
    z-index: -1;
}

.service-button i {
    margin-right: 8px;
    font-size: 1.2em;
    transition: transform 0.3s ease;
}

.service-button span {
    position: relative;
    z-index: 2;
}

.spotify {
    background-color: #1DB954;
}

.apple-music {
    background-color: #FB233B;
}

.big-up {
    background-color: #FF6B00;
}

.youtube {
    background-color: #FF0000;
}

.booth {
    background-color: #FC4D50;
}

.disabled {
    background-color: #888888;
    cursor: default;
    opacity: 0.7;
}

.disabled:hover {
    transform: translateY(0);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.service-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    /* Add padding-right on hover to make room for the arrow */
    padding-right: 40px;
}

.service-button:hover::before {
    transform: translateX(0);
}

.service-button:hover i {
    /* Remove the right movement of the icon */
    transform: none;
}

.service-button::after {
    content: '→';
    position: absolute;
    right: 15px; /* Slightly closer to text */
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
    /* Hide the arrow completely in non-hover state */
    visibility: hidden;
}

.service-button:hover::after {
    opacity: 1;
    transform: translateX(0);
    /* Show the arrow on hover */
    visibility: visible;
}

/* Members Section */
.members {
    background-color: var(--primary-color);
    color: #fff;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.members::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(20, 20, 30, 1),
        rgba(60, 30, 60, 1),
        rgba(30, 40, 60, 1),
        rgba(70, 40, 70, 1)
    );
    animation: gradientAnimation 8s ease infinite;
    background-size: 300% 300%;
    z-index: 1;
}

@keyframes gradientAnimation {
    0% {
        background-position: 0% 0%;
        filter: brightness(0.8) saturate(0.9);
    }
    25% {
        background-position: 100% 0%;
        filter: brightness(1) saturate(1.1);
    }
    50% {
        background-position: 100% 100%;
        filter: brightness(0.9) saturate(1);
    }
    75% {
        background-position: 0% 100%;
        filter: brightness(1.1) saturate(1.2);
    }
    100% {
        background-position: 0% 0%;
        filter: brightness(0.8) saturate(0.9);
    }
}

.members .container {
    position: relative;
    z-index: 2;
}

.members .section-title {
    color: #fff;
}

.members .section-title::after {
    background-color: var(--accent-color);
}

@keyframes lightBeam {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(200%);
    }
}

.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 40px;
    position: relative;
    z-index: 2;
}

.member-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    overflow: visible !important;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
    text-align: center;
    position: relative;
    transform-style: preserve-3d !important;
    transition: transform 1.2s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
    border: 3px solid rgba(255, 255, 255, 0.05);
    margin-bottom: 20px;
    will-change: transform;
    transform: translate3d(0, 0, 0) rotateY(0deg) !important;
    backface-visibility: hidden;
    backdrop-filter: blur(5px);
}

.member-card:hover {
    transform: scale(1.2) rotateY(360deg) !important;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    z-index: 10;
    border-color: transparent;
}

/* AOSの影響を上書き */
[data-aos].member-card {
    opacity: 1 !important;
    transform: translate3d(0, 0, 0) rotateY(0deg) !important;
    transition: transform 1.2s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
}


.member-card::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    width: calc(100% + 6px);
    height: calc(100% + 6px);
    background: linear-gradient(90deg, 
        #df0139, 
        #ff9966, 
        #ff5e62, 
        #df0139);
    background-size: 400% 400%;
    border-radius: 10px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.member-card:hover::before {
    opacity: 1;
    animation: borderLight 2s linear infinite;
}

/* アニメーションの定義を明確にする */
@keyframes borderLight {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.member-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    position: relative;
    border-radius: 5px 5px 0 0;
    transition: all 0.3s ease;
    transform-style: preserve-3d;
}

.member-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0), rgba(30, 30, 39, 0.8));
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 3;
}

.member-card:hover .member-image::after {
    opacity: 1;
}

.member-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
    border-radius: 5px 5px 0 0;
}

.member-card:hover .member-image img {
    transform: scale(1.1);
}

.twitter-hint {
    position: absolute;
    bottom: 15px;
    left: 0;
    right: 0;
    text-align: center;
    color: white;
    font-size: 0.9rem;
    font-weight: 500;
    z-index: 10;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    padding: 8px;
    background-color: rgba(29, 161, 242, 0.8);
    border-radius: 4px;
    margin: 0 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    pointer-events: none;
}

.member-card:hover .twitter-hint {
    opacity: 1 !important;
    transform: translateY(0) !important;
    visibility: visible !important;
}

.member-card.animation-ready:hover .twitter-hint {
    opacity: 1 !important;
    transform: translateY(0) !important;
    visibility: visible !important;
}

.member-name {
    padding: 20px;
    font-family: var(--heading-font);
    font-size: 1.2rem;
    font-weight: 600;
    text-align: center;
    color: #fff;
    position: relative;
    z-index: 2;
    background-color: rgba(30, 30, 39, 0.7);
    border-radius: 0 0 8px 8px;
    margin-top: -5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.twitter-link {
    display: block;
    text-decoration: none;
    color: inherit;
    transform-style: preserve-3d;
}

/* Activity Section */
.activity {
    background-color: #fff;
    position: relative;
    padding-bottom: 150px; /* 斜めの区切りのためにパディングを増やす */
}

.activity-content {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    margin-top: 40px;
}

.policy-list {
    flex: 3;
    padding: 30px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.social-embeds {
    flex: 2;
    padding: 30px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.policy-list h3, .social-embeds h3 {
    font-family: var(--heading-font);
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 25px;
    position: relative;
    color: var(--heading-color);
}

.policy-list h3::after, .social-embeds h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--accent-color);
}

.policy-list ul li {
    font-size: 1.1rem;
    margin-bottom: 20px;
    padding-left: 30px;
    position: relative;
    line-height: 1.7;
}

.policy-list ul li::before {
    content: '\f138';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    color: var(--accent-color);
    margin-right: 10px;
}

.news-item {
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.news-date {
    font-family: var(--heading-font);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 8px;
}

.news-title {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--primary-color);
}

/* Contact Section */
.contact {
    background-color: var(--primary-color);
    padding: 150px 0 100px; /* 下部に100pxのパディングを追加 */
    position: relative;
    color: #fff;
    margin-top: -50px; /* 斜めの区切りのためにネガティブマージンを追加 */
}

/* 斜めの区切り */
.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background-color: #fff;
    transform: skewY(-3deg);
    transform-origin: top left;
    z-index: 1;
}

.contact .container {
    position: relative;
    z-index: 2;
}

.contact .section-title {
    color: #fff;
}

.contact .section-title::after {
    background-color: var(--accent-color);
}

.contact-content {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.contact-form {
    max-width: 600px;
    padding: 30px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.contact-form h3, .social-links h3 {
    font-family: var(--heading-font);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 30px;
    color: #fff;
    position: relative;
    padding-bottom: 15px;
}

.contact-form h3::after, .social-links h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--accent-color);
}

.contact-description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.8);
}

.button-container {
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
    margin-top: 20px;
}

.contact-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 40px;
    background-color: transparent;
    color: #fff;
    border: 2px solid var(--accent-color);
    border-radius: 0;
    position: relative;
    overflow: hidden;
    z-index: 1;
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    cursor: pointer;
}

.contact-button:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background-color: var(--accent-color);
    z-index: -1;
    transition: width 0.3s ease;
}

.contact-button:hover {
    color: #fff;
}

.contact-button:hover:before {
    width: 100%;
}

.contact-button:active {
    transform: translateY(1px);
}

.button-text {
    margin-right: 10px;
}

.contact-button i {
    font-size: 1rem;
    transition: transform 0.3s ease;
}

.contact-button:hover i {
    transform: translateX(5px);
}

.social-links {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.social-link {
    display: flex;
    align-items: center;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.1);
    margin-bottom: 15px;
    border-radius: 5px;
    text-decoration: none;
    transition: all 0.3s ease;
    color: #fff;
}

.social-link i {
    font-size: 1.5rem;
    margin-right: 15px;
    color: var(--accent-color);
}

.social-link.twitter {
    border-left: 4px solid #1DA1F2;
}

.social-link.youtube {
    border-left: 4px solid #FF0000;
}

.social-link:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: #fff;
    padding: 60px 0 40px;
    position: relative;
    width: 100%;
    box-sizing: border-box;
}

@media screen and (min-width: 1px) {
    .footer {
        width: 100%;
        margin-left: 0;
    }
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 8px;
    background: linear-gradient(90deg, var(--accent-color) 0%, var(--accent-color) 100%);
}

.footer .container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
}

.footer-logo {
    margin-bottom: 25px;
    transition: transform 0.3s ease;
}

.footer-logo img {
    height: 50px;
    width: 50px;
    border-radius: 50%;
    border: 2px solid var(--accent-color);
}

.footer-links {
    display: flex;
    gap: 30px;
    margin-bottom: 25px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-color);
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
}

.footer-social i {
    font-size: 1.2rem;
}

.footer-follow-text {
    font-size: 0.85rem;
    opacity: 0.7;
    margin-bottom: 15px;
}

.footer-copyright {
    font-size: 0.85rem;
    opacity: 0.7;
}

/* Animations */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes scrollDown {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

/* Responsive Styles */
@media (max-width: 1200px) {
    .container {
        padding: 0 30px;
    }
    
    .hero-title {
        font-size: 6rem;
    }
    
    .about-content,
    .album-showcase,
    .activity-content,
    .contact-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .about-image,
    .album-cover,
    .policy-list,
    .news-list,
    .contact-form,
    .social-links {
        width: 100%;
    }
    
    .about-image img {
        width: 70%;
        max-width: 250px;
    }
    
    .album-cover {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .contact-button {
        width: 100%;
        justify-content: center;
    }
    
    @keyframes lineDown {
        0% {
            height: 0;
        }
        100% {
            height: 250px;
        }
    }
}

@media (max-width: 992px) {
    .navbar {
        padding: 15px 20px;
    }
    
    .hero-title {
        font-size: 5rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .album-showcase {
        flex-direction: column;
        gap: 30px;
    }
    
    .album-info {
        text-align: center;
        max-width: 600px;
    }
    
    .album-title, .album-release {
        text-align: center;
    }
    
    .track-list li {
        text-align: left;
        padding-left: 30px;
    }
    
    .track-list li::before {
        left: 5px;
    }
    
    .members-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .activity-content {
        flex-direction: column;
    }
    
    .policy-list, .social-embeds {
        width: 100%;
        margin-bottom: 40px;
        flex: none;
    }
    
    .youtube-embeds {
        flex-direction: column;
    }
    
    @keyframes lineDown {
        0% {
            height: 0;
        }
        100% {
            height: 220px;
        }
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 15px 25px;
    }
    
    .navbar-logo a {
        font-size: 1.3rem;
    }
    
    .navbar-logo-img {
        width: 35px;
        height: 35px;
        margin-right: 8px;
    }
    
    .navbar-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 40px;
        background: rgba(30, 30, 39, 0.8);
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
        border-left: 1px solid rgba(255, 255, 255, 0.1);
        box-shadow: -5px 0 30px rgba(0, 0, 0, 0.3);
        transition: right 0.5s cubic-bezier(0.77, 0, 0.175, 1);
        z-index: 1000;
        padding: 50px 0;
    }
    
    .navbar-links.active {
        right: 0;
    }
    
    .navbar-links a {
        font-size: 1.2rem;
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.3s ease, transform 0.3s ease, color 0.3s ease;
    }
    
    .navbar-links.active a {
        opacity: 1;
        transform: translateY(0);
    }
    
    .navbar-links a:nth-child(1) { transition-delay: 0.1s; }
    .navbar-links a:nth-child(2) { transition-delay: 0.2s; }
    .navbar-links a:nth-child(3) { transition-delay: 0.3s; }
    .navbar-links a:nth-child(4) { transition-delay: 0.4s; }
    .navbar-links a:nth-child(5) { transition-delay: 0.5s; }
    
    .navbar-hamburger {
        display: flex;
    }
    
    .hero-title {
        font-size: 4.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.4rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .members-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px; /* ギャップを少し小さくする */
    }
    
    .footer-links {
        flex-direction: column;
    }
    
    .footer {
        padding: 40px 0;
    }
    
    .footer-logo {
        margin-bottom: 20px;
    }
    
    .footer-links, .footer-social {
        margin-bottom: 20px;
    }
    
    .contact-description {
        margin-bottom: 30px;
    }
    
    .contact-button {
        width: 100%;
    }
    
    .vertical-line {
        width: 3px;
        margin-right: 20px;
    }
    
    .spotify-embed, .youtube-video.single-video {
        max-width: 100%;
    }
    
    .album-description {
        font-size: 0.95rem;
    }
    
    .music-services {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .service-button {
        margin: 0 5px 10px;
        padding: 10px 20px;
        font-size: 0.9rem;
        /* Keep padding consistent on both sides */
        padding-right: 20px;
    }
    
    .service-button::after {
        display: none;
    }
    
    .service-button:hover {
        transform: translateY(-2px);
        /* No extra padding needed since arrow is hidden */
        padding-right: 20px;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 20px;
    }
    
    .navbar {
        padding: 20px;
    }
    
    .navbar-logo a {
        font-size: 1.3rem;
    }
    
    .navbar-logo-img {
        width: 30px;
        height: 30px;
        margin-right: 6px;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .cta-button {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .album-title {
        font-size: 1.8rem;
    }
    
    .members-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        margin-bottom: 30px; /* セクション下部に余白を追加 */
    }
    
    .member-card {
        margin-bottom: 10px; /* カード間の余白を調整 */
    }
    
    .member-image {
        height: 180px; /* 画像の高さを小さくする */
    }
    
    .member-name {
        padding: 15px 10px; /* パディングを小さくする */
        font-size: 1rem; /* フォントサイズを小さくする */
    }
    
    .footer {
        padding: 30px 0;
    }
    
    .footer-logo img {
        height: 40px;
        width: 40px;
    }
    
    .footer-links, .footer-social {
        gap: 15px;
    }
    
    .footer-copyright {
        font-size: 0.8rem;
    }
    
    .contact-form {
        padding: 20px;
    }
    
    .contact-description {
        font-size: 0.9rem;
    }
    
    .contact-button {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
    
    .social-embeds {
        padding: 20px;
    }
    
    .vertical-line {
        width: 2px;
        margin-right: 15px;
    }
    
    .about-image img {
        width: 50%;
        max-width: 180px;
    }
    
    @keyframes lineDown {
        0% {
            height: 0;
        }
        100% {
            height: 150px;
        }
    }
    
    .member-card.animation-ready:hover {
        transform: scale(1.03) rotateY(360deg) !important;
    }
    
    .spotify-embed {
        height: 300px;
    }
    
    .album-description {
        font-size: 0.9rem;
    }
    
    .service-button {
        margin: 0 3px 8px;
        padding: 8px 15px;
        font-size: 0.85rem;
        width: calc(50% - 10px);
        justify-content: flex-start;
    }
    
    .service-button i {
        margin-right: 5px;
        font-size: 1.1em;
    }
    
    .service-button::after {
        display: none;
    }
    
    .service-button:hover {
        transform: translateY(-2px);
        /* Keep padding consistent since arrow is hidden */
        padding-right: 15px;
    }
}

/* AOS Animation Styles */
[data-aos] {
    opacity: 0;
    transition-property: opacity, transform;
    transition-timing-function: cubic-bezier(0.25, 0.1, 0.25, 1.0);
}

[data-aos].aos-animate {
    opacity: 1;
}

/* AOSアニメーションの影響を受けないようにするクラス */
.no-aos {
    opacity: 1 !important;
    transform: none !important;
    visibility: visible !important;
    display: flex !important;
    animation: none !important;
    transition: all 0.4s ease !important;
}

[data-aos="fade-up"] {
    transform: translateY(50px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-down"] {
    transform: translateY(-50px);
}

[data-aos="fade-down"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-50px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(50px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

[data-aos="zoom-out"] {
    transform: scale(1.1);
}

[data-aos="zoom-out"].aos-animate {
    transform: scale(1);
}

[data-aos="flip-up"] {
    transform: perspective(2500px) rotateX(-100deg);
}

[data-aos="flip-up"].aos-animate {
    transform: perspective(2500px) rotateX(0);
}

[data-aos="flip-down"] {
    transform: perspective(2500px) rotateX(100deg);
}

[data-aos="flip-down"].aos-animate {
    transform: perspective(2500px) rotateX(0);
}

/* Animation durations */
[data-aos][data-aos-duration="300"] {
    transition-duration: 300ms;
}

[data-aos][data-aos-duration="500"] {
    transition-duration: 500ms;
}

[data-aos][data-aos-duration="700"] {
    transition-duration: 700ms;
}

[data-aos][data-aos-duration="1000"] {
    transition-duration: 1000ms;
}

[data-aos][data-aos-duration="1500"] {
    transition-duration: 1500ms;
}

[data-aos][data-aos-duration="2000"] {
    transition-duration: 2000ms;
}

/* Animation delays */
[data-aos][data-aos-delay="100"] {
    transition-delay: 100ms;
}

[data-aos][data-aos-delay="200"] {
    transition-delay: 200ms;
}

[data-aos][data-aos-delay="300"] {
    transition-delay: 300ms;
}

[data-aos][data-aos-delay="500"] {
    transition-delay: 500ms;
}

[data-aos][data-aos-delay="700"] {
    transition-delay: 700ms;
}

/* Active navigation link style */
.navbar-links a.active {
    color: var(--accent-color);
}

.navbar-links a.active::after {
    width: 100%;
    background: var(--accent-color);
}

.navbar.scrolled .navbar-links a.active {
    color: var(--accent-color);
}

/* Main Content */
.main-content {
    display: block;
    width: 100%;
    flex: 1;
    background-color: transparent;
    position: relative;
}

/* 埋め込みコンテンツのスタイル */
.social-embeds {
    flex: 1;
    padding: 30px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.social-embeds h3 {
    font-family: var(--heading-font);
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 25px;
    position: relative;
    color: var(--heading-color);
}

.social-embeds h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--accent-color);
}

.embed-container {
    margin-bottom: 20px;
}

.youtube-embeds {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.youtube-video {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto 30px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    padding-top: 56.25%; /* 16:9のアスペクト比 */
}

.youtube-video.single-video {
    max-width: 800px;
}

.youtube-video::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.1);
    z-index: 1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.youtube-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 12px;
    transition: all 0.3s ease;
    z-index: 0;
}

.youtube-video:hover {
    transform: translateY(-5px);
}

.twitter-embed {
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    background-color: #fff;
    min-height: 400px;
    max-width: 100%;
    width: 100%;
}

.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    background-color: var(--secondary-color);
    transform: translateY(-5px);
}

.scroll-to-top i {
    font-size: 20px;
}

@media (max-width: 768px) {
    .scroll-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 576px) {
    .scroll-to-top {
        width: 40px;
        height: 40px;
        bottom: 15px;
        right: 15px;
    }
}

.member-card.animation-ready {
    transform: translate3d(0, 0, 0) rotateY(0deg) !important;
    transition: transform 1.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease !important;
    /* Ensure animations work by overriding any conflicting styles */
    opacity: 1 !important;
    visibility: visible !important;
    will-change: transform, box-shadow;
}

.member-card.animation-ready:hover {
    transform: scale(1.05) rotateY(360deg) !important;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2) !important;
    z-index: 10;
    border-color: transparent;
}

.member-card.animation-ready::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    width: calc(100% + 6px);
    height: calc(100% + 6px);
    background: linear-gradient(90deg, 
        #df0139, 
        #ff9966, 
        #ff5e62, 
        #df0139);
    background-size: 400% 400%;
    border-radius: 10px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.member-card.animation-ready:hover::before {
    opacity: 1;
    animation: borderLight 2s linear infinite;
}

@keyframes lightBeam {
    0% {
        left: -100%;
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        left: 100%;
        opacity: 0;
    }
}

/* マウスストーカー */
.cursor-follower {
    position: fixed;
    z-index: 10000;
    pointer-events: none;
    will-change: transform;
    display: none; /* モバイルでは非表示 */
    opacity: 0;
    transition: opacity 0.5s ease;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.cursor-inner {
    position: fixed;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #df0139;
    opacity: 0.8;
    transform: translate(-50%, -50%);
    transition: width 0.2s ease-out, height 0.2s ease-out, opacity 0.2s ease-out;
    z-index: 10001;
    pointer-events: none;
    will-change: transform;
    mix-blend-mode: difference;
    top: 0;
    left: 0;
}

.cursor-outer {
    position: fixed;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(223, 1, 57, 0.5);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease-out, height 0.3s ease-out, border 0.3s ease-out;
    z-index: 10000;
    pointer-events: none;
    will-change: transform;
    top: 0;
    left: 0;
}

/* ホバー時のエフェクト */
.cursor-hover .cursor-inner {
    width: 16px;
    height: 16px;
    opacity: 0.5;
}

.cursor-hover .cursor-outer {
    width: 50px;
    height: 50px;
    border-color: rgba(223, 1, 57, 0.2);
}

/* クリック時のエフェクト */
.cursor-down .cursor-inner {
    width: 14px;
    height: 14px;
}

.cursor-down .cursor-outer {
    width: 30px;
    height: 30px;
}

/* デスクトップ環境でのみ表示 */
@media (min-width: 1025px) {
    .cursor-follower {
        display: block !important;
    }
    
    body {
        cursor: default !important; /* デフォルトカーソルを表示 */
    }
    
    /* カスタムカーソルスタイル */
    a, button, .service-button, .member-card, .album-cover, .cta-button, .contact-button, .scroll-to-top {
        cursor: none !important;
    }
    
    /* 特定の要素のカスタムカーソル */
    .member-card .twitter-hint {
        cursor: pointer !important;
    }
}

/* Membersセクションの動く軟らかい丸図形のSVGアニメーション */
.blob-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
    opacity: 0.8;
    pointer-events: none;
}

.blob-animation svg {
    position: absolute;
    width: 100%;
    height: 100%;
    transform: scale(1.5);
}

.blob {
    transform-origin: 50% 50%;
    filter: blur(10px);
    mix-blend-mode: screen;
}

.blob:nth-child(1) {
    filter: blur(40px);
    transform: translate(-20%, -30%) scale(0.8);
    animation: blob-float-1 40s ease-in-out infinite alternate;
}

.blob:nth-child(2) {
    filter: blur(35px);
    transform: translate(30%, 20%) scale(1.2);
    animation: blob-float-2 50s ease-in-out infinite alternate;
}

.blob:nth-child(3) {
    filter: blur(25px);
    transform: translate(-10%, 40%) scale(0.6);
    animation: blob-float-3 60s ease-in-out infinite alternate;
}

.blob:nth-child(4) {
    filter: blur(30px);
    transform: translate(10%, -20%) scale(0.9);
    animation: blob-float-4 45s ease-in-out infinite alternate;
}

.blob:nth-child(5) {
    filter: blur(20px);
    transform: translate(-30%, 10%) scale(0.7);
    animation: blob-float-5 55s ease-in-out infinite alternate;
}

@keyframes blob-float-1 {
    0% {
        transform: translate(-20%, -30%) scale(0.8);
    }
    50% {
        transform: translate(-15%, -25%) scale(0.9);
    }
    100% {
        transform: translate(-25%, -35%) scale(0.7);
    }
}

@keyframes blob-float-2 {
    0% {
        transform: translate(30%, 20%) scale(1.2);
    }
    50% {
        transform: translate(25%, 25%) scale(1.1);
    }
    100% {
        transform: translate(35%, 15%) scale(1.3);
    }
}

@keyframes blob-float-3 {
    0% {
        transform: translate(-10%, 40%) scale(0.6);
    }
    50% {
        transform: translate(-5%, 45%) scale(0.7);
    }
    100% {
        transform: translate(-15%, 35%) scale(0.5);
    }
}

@keyframes blob-float-4 {
    0% {
        transform: translate(10%, -20%) scale(0.9);
    }
    50% {
        transform: translate(15%, -15%) scale(1.0);
    }
    100% {
        transform: translate(5%, -25%) scale(0.8);
    }
}

@keyframes blob-float-5 {
    0% {
        transform: translate(-30%, 10%) scale(0.7);
    }
    50% {
        transform: translate(-25%, 15%) scale(0.8);
    }
    100% {
        transform: translate(-35%, 5%) scale(0.6);
    }
}

/* Membersセクションのコンテンツを前面に */
.members .container {
    position: relative;
    z-index: 2;
}

/* Spotify埋め込み */
.spotify-embed {
    width: 100%;
    margin: 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    height: 352px;
}

.spotify-embed iframe {
    display: block;
    border-radius: 12px;
    transition: all 0.3s ease;
    width: 100%;
    height: 100%;
}

.spotify-embed:hover {
    transform: translateY(-5px);
}

/* アルバムメディアコンテナ */
.album-media-container {
    margin-top: 30px;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.album-media-container.hidden {
    opacity: 0;
    visibility: hidden;
}

/* レスポンシブ対応 */
@media (max-width: 992px) {
    .media-flex-container {
        gap: 15px;
    }
    
    .youtube-embeds, .spotify-embed {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .media-flex-container {
        flex-direction: column;
        align-items: center;
    }
    
    .youtube-embeds, .spotify-embed {
        max-width: 100%;
        width: 100%;
    }
    
    .youtube-video {
        margin-bottom: 20px;
    }
    
    .spotify-embed {
        height: 380px; /* モバイルでの高さを増加 */
        min-height: 380px;
    }
    
    .spotify-embed iframe {
        min-height: 380px;
    }
    
    .album-description {
        font-size: 0.95rem;
    }
    
    .music-services {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .service-button {
        margin: 5px;
        min-width: 140px;
    }
    
    .service-button::after {
        display: none;
    }
}

@media (max-width: 576px) {
    .spotify-embed {
        height: 450px; /* スマホでの高さをさらに増加 */
        min-height: 450px;
    }
    
    .spotify-embed iframe {
        min-height: 450px;
    }
    
    .album-description {
        font-size: 0.9rem;
    }
    
    .service-button {
        font-size: 0.85rem;
        padding: 8px 15px;
        min-width: 120px;
        margin: 4px;
        /* Keep padding consistent on both sides */
        padding-right: 15px;
    }
    
    .service-button i {
        font-size: 1rem;
        margin-right: 5px;
    }
    
    .service-button::after {
        display: none;
    }
    
    .service-button:hover {
        transform: translateY(-2px);
        /* Keep padding consistent since arrow is hidden */
        padding-right: 15px;
    }
}

/* アルバムカルーセル */
.album-carousel {
    position: relative;
    width: 100%;
    margin-bottom: 40px;
    overflow: hidden;
}

.album-carousel-container {
    position: relative;
    width: 100%;
    min-height: 400px; /* 最小の高さを設定 */
}

.album-slide {
    position: absolute;
    width: 100%;
    opacity: 0;
    transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    transform: translateX(100%);
    z-index: 1;
}

.album-slide.active {
    opacity: 1;
    transform: translateX(0);
    z-index: 2;
    position: relative;
}

.album-slide.prev {
    transform: translateX(-100%);
    z-index: 1;
}

.album-slide.next {
    transform: translateX(100%);
    z-index: 1;
}

.album-carousel-nav {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    z-index: 10;
    transform: translateY(-50%);
    pointer-events: none;
}

.carousel-prev, .carousel-next {
    background: rgba(223, 1, 57, 0.8);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    pointer-events: auto;
}

.carousel-prev {
    margin-left: 10px;
}

.carousel-next {
    margin-right: 10px;
}

.carousel-prev:hover, .carousel-next:hover {
    background: rgba(223, 1, 57, 1);
    transform: scale(1.1);
}

.album-carousel-indicators {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    margin: 0 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background: var(--primary-color);
    transform: scale(1.2);
}

/* トラックリスト折りたたみ */
.track-list-toggle {
    margin: 15px 0;
}

.track-list-button {
    background: var(--primary-color);
    border: none;
    color: #fff;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all 0.3s ease;
    width: 100%;
    max-width: 200px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.track-list-button span {
    font-weight: 500;
}

.track-list-button i {
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.track-list-button:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.track-list.collapsed {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
    margin: 0;
    padding: 0;
}

.track-list.expanded {
    max-height: 1000px;
    transition: max-height 0.5s ease;
    margin-top: 15px;
}

.track-list-button.active i {
    transform: rotate(180deg);
}

/* トラックリスト末尾の閉じるボタン */
.track-list-close-container {
    display: flex;
    justify-content: center;
    margin-top: 15px;
    list-style: none;
}

.track-list-close-button {
    background: var(--primary-color);
    border: none;
    color: #fff;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px 15px;
    border-radius: 5px;
    transition: all 0.3s ease;
    width: auto;
    min-width: 100px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.track-list-close-button span {
    font-weight: 500;
}

.track-list-close-button i {
    margin-left: 8px;
}

.track-list-close-button:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

/* アルバムメディアコンテナ */
.album-media-container {
    margin-top: 30px;
}

/* アルバムサムネイルカルーセル */
.album-thumbnails {
    position: relative;
    margin-bottom: 40px;
    padding: 0 40px;
}

.album-thumbnails-container {
    display: flex;
    justify-content: flex-start; /* 左寄せに変更 */
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: 10px 0;
    gap: 20px;
    scrollbar-width: none;
    -ms-overflow-style: none;
    /* 左右に余白を追加 */
    padding-left: 20px;
    padding-right: 20px;
}

.album-thumbnails-container::-webkit-scrollbar {
    display: none;
}

.album-thumbnail {
    flex: 0 0 auto;
    width: 200px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    opacity: 0.7;
    transform: scale(0.95);
}

.album-thumbnail.active {
    opacity: 1;
    transform: scale(1);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.album-thumbnail::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: transparent;
    transition: all 0.3s ease;
}

.album-thumbnail.active::after {
    background: var(--accent-color);
}

.album-thumbnail .thumbnail-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: 8px 8px 0 0;
    position: relative;
}

.album-thumbnail .thumbnail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.album-thumbnail:hover .thumbnail-image img {
    transform: scale(1.05);
}

.album-thumbnail .thumbnail-title {
    padding: 10px;
    font-size: 0.85rem;
    font-weight: 500;
    text-align: center;
    color: #fff;
    background: rgba(0, 0, 0, 0.7);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* レスポンシブスタイル */
@media (max-width: 992px) {
    .album-thumbnails {
        padding: 0 30px;
    }
    
    .album-thumbnail {
        width: 180px;
    }
    
    .album-thumbnail .thumbnail-image {
        height: 180px;
    }
}

@media (max-width: 768px) {
    .album-thumbnails {
        padding: 0 25px;
    }
    
    .album-thumbnail {
        width: 160px;
    }
    
    .album-thumbnail .thumbnail-image {
        height: 160px;
    }
    
    .album-thumbnail .thumbnail-title {
        font-size: 0.8rem;
    }
}

@media (max-width: 576px) {
    .album-thumbnails {
        padding: 0 20px;
    }
    
    .album-thumbnail {
        width: 140px;
    }
    
    .album-thumbnail .thumbnail-image {
        height: 140px;
    }
    
    .album-thumbnail .thumbnail-title {
        font-size: 0.75rem;
        padding: 8px 5px;
    }
}

/* アルバム説明 */
.album-description {
    font-size: 1rem;
    line-height: 1.6;
    color: #1e1e1e;
    margin-bottom: 20px;
    max-width: 600px;
}

/* メディアフレックスコンテナ */
.media-flex-container {
    display: flex;
    flex-direction: row;
    gap: 20px;
    justify-content: center;
    margin-bottom: 30px;
}

.youtube-embeds {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 0;
    width: 48%;
    flex: 1;
}

/* Discographyセクション用YouTube埋め込み */
.album-youtube-video {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 アスペクト比 */
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 20px;
}

.album-youtube-video.single-video {
    max-width: 100%;
    height: auto;
}

.album-youtube-video::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
    z-index: 1;
    transition: background 0.3s ease;
    pointer-events: none;
}

.album-youtube-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    z-index: 0;
}

.album-youtube-video:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

/* Spotify埋め込み */
.spotify-embed {
    width: 48%;
    flex: 1;
    margin: 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    height: 352px;
}

.spotify-embed iframe {
    display: block;
    border-radius: 12px;
    transition: all 0.3s ease;
    width: 100%;
    height: 100%;
}

.spotify-embed:hover {
    transform: translateY(-5px);
}

/* アルバムメディアコンテナ */
.album-media-container {
    margin-top: 30px;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.album-media-container.hidden {
    opacity: 0;
    visibility: hidden;
}

/* レスポンシブ対応 */
@media (max-width: 992px) {
    /* 992px未満ではYouTubeとSpotifyを縦に並べる */
    .media-flex-container {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }
    
    .youtube-embeds, .spotify-embed {
        width: 100%;
        max-width: 100%;
        flex: none;
    }
    
    .album-youtube-video {
        margin-bottom: 0; /* 縦並びの場合は下部マージンを削除 */
    }
}

@media (max-width: 768px) {
    .spotify-embed {
        height: 380px;
        min-height: 380px;
    }
    
    .spotify-embed iframe {
        min-height: 380px;
    }
    
    .album-description {
        font-size: 0.95rem;
    }
    
    .music-services {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .service-button {
        margin: 5px;
        min-width: 140px;
    }
    
    .service-button::after {
        display: none;
    }
}

@media (max-width: 576px) {
    .spotify-embed {
        height: 450px;
        min-height: 450px;
    }
    
    .spotify-embed iframe {
        min-height: 450px;
    }
    
    .album-description {
        font-size: 0.9rem;
    }
    
    .service-button {
        font-size: 0.85rem;
        padding: 8px 15px;
        min-width: 120px;
        margin: 4px;
    }
    
    .service-button i {
        font-size: 1rem;
        margin-right: 5px;
    }
}

/* メディアフレックスコンテナ - Discographyセクション用 */
.media-flex-container {
    display: flex;
    flex-direction: row;
    gap: 20px;
    justify-content: center;
    margin-bottom: 30px;
}

.youtube-embeds {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 0;
    width: 48%;
    flex: 1;
}

/* Discographyセクション用YouTube埋め込み */
.album-youtube-video {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 アスペクト比 */
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 20px;
}

.album-youtube-video.single-video {
    max-width: 100%;
    height: auto;
}

.album-youtube-video::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
    z-index: 1;
    transition: background 0.3s ease;
    pointer-events: none;
}

.album-youtube-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    z-index: 0;
}

.album-youtube-video:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

/* Activityセクション用YouTube埋め込み */
.activity-youtube-embeds {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.activity-youtube-video {
    position: relative;
    width: 100%;
    max-width: 100%;
    margin: 0 auto 20px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    padding-top: 56.25%; /* 16:9のアスペクト比 */
}

.activity-youtube-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 12px;
    transition: all 0.3s ease;
    z-index: 2;
}

.activity-youtube-video:hover {
    transform: translateY(-5px);
}

/* Spotify埋め込み */
.spotify-embed {
    width: 100%;
    margin: 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    height: 352px;
}

.spotify-embed iframe {
    display: block;
    border-radius: 12px;
    transition: all 0.3s ease;
    width: 100%;
    height: 100%;
}

.spotify-embed:hover {
    transform: translateY(-5px);
}

/* パーティクル関連のスタイル */
.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 2;
    pointer-events: none;
}

#particles-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.particles-small {
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.4) 1px, transparent 1px);
    opacity: 0.4;
    transform: translateZ(0);
    will-change: transform;
    animation: particlesFade 4s ease-in-out infinite alternate;
}

.particles-medium {
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.5) 2px, transparent 2px);
    opacity: 0.3;
    transform: translateZ(0);
    will-change: transform;
    animation: particlesFade 6s ease-in-out infinite alternate;
}

@keyframes particlesFade {
    0% {
        opacity: 0.15;
    }
    100% {
        opacity: 0.5;
    }
}

@media (max-width: 768px) {
    .particles-small {
        background-image: radial-gradient(circle, rgba(255, 255, 255, 0.4) 0.8px, transparent 0.8px);
    }
    
    .particles-medium {
        background-image: radial-gradient(circle, rgba(255, 255, 255, 0.5) 1.5px, transparent 1.5px);
    }
}

@media (max-width: 576px) {
    .particles-small {
        background-image: radial-gradient(circle, rgba(255, 255, 255, 0.4) 0.6px, transparent 0.6px);
    }
    
    .particles-medium {
        background-image: radial-gradient(circle, rgba(255, 255, 255, 0.5) 1.2px, transparent 1.2px);
    }
}

/* シングルセクションのスタイル */
.singles-section {
    margin-top: 60px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.section-subtitle {
    font-family: var(--heading-font);
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.section-subtitle::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-color);
    border-radius: 3px;
}

/* シングルサムネイルナビゲーション */
.singles-thumbnails {
    position: relative;
    margin-bottom: 40px;
    padding: 0 40px;
}

.singles-thumbnails-container {
    display: flex;
    justify-content: flex-start; /* 左寄せに変更 */
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: 10px 0;
    gap: 20px;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
    /* 左右に余白を追加 */
    padding-left: 20px;
    padding-right: 20px;
}

.singles-thumbnails-container::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.single-thumbnail {
    flex: 0 0 auto;
    width: 200px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    opacity: 0.7;
    transform: scale(0.95);
}

.single-thumbnail.active {
    opacity: 1;
    transform: scale(1);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.single-thumbnail::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: transparent;
    transition: all 0.3s ease;
}

.single-thumbnail.active::after {
    background: var(--accent-color);
}

.single-thumbnail .thumbnail-image {
    width: 100%;
    height: 113px; /* 16:9 ratio for 200px width */
    overflow: hidden;
    border-radius: 8px 8px 0 0;
    position: relative;
}

.single-thumbnail .thumbnail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.single-thumbnail:hover .thumbnail-image img {
    transform: scale(1.05);
}

.single-thumbnail .thumbnail-title {
    padding: 10px;
    font-size: 0.85rem;
    font-weight: 500;
    text-align: center;
    color: #fff;
    background: rgba(0, 0, 0, 0.7);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* シングル表示エリア */
.singles-display {
    margin-top: 20px;
    position: relative;
    overflow: hidden;
    min-height: 400px; /* 最小の高さを設定 */
}

.single-item {
    display: block; /* none から block に変更 */
    opacity: 0;
    position: absolute;
    width: 100%;
    transform: translateX(50px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    visibility: hidden; /* 非表示状態でも要素は存在 */
}

.single-item.active {
    display: block;
    opacity: 1;
    position: relative;
    transform: translateX(0);
    visibility: visible; /* アクティブな要素は表示 */
    z-index: 2;
}

.single-item.prev {
    transform: translateX(-50px);
    opacity: 0;
    z-index: 1;
}

.single-item.next {
    transform: translateX(50px);
    opacity: 0;
    z-index: 1;
}

.single-content {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.single-video-container {
    flex: 0 0 60%;
    position: relative;
}

.single-video {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 アスペクト比 */
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.single-video::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
    z-index: 1;
    transition: background 0.3s ease;
    pointer-events: none;
}

.single-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    z-index: 0;
}

.single-video:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.single-video:hover::before {
    background: rgba(0, 0, 0, 0.1);
}

.single-info {
    flex: 0 0 40%;
    padding: 20px 0;
}

.single-title {
    font-family: var(--heading-font);
    font-size: 1.8rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
    line-height: 1.3;
}

.single-artist {
    font-size: 1.1rem;
    font-weight: 500;
    color: #333;
    margin-bottom: 10px;
}

.single-release {
    font-size: 0.9rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.single-description {
    font-size: 1rem;
    line-height: 1.6;
    color: #333;
    margin-bottom: 30px;
}

/* レスポンシブスタイル */
@media (max-width: 1200px) {
    .single-content {
        gap: 30px;
    }
    
    .single-video-container {
        flex: 0 0 55%;
    }
    
    .single-info {
        flex: 0 0 45%;
    }
}

@media (max-width: 992px) {
    .single-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .single-video-container,
    .single-info {
        flex: 0 0 100%;
        width: 100%;
    }
    
    .single-video {
        margin-bottom: 20px;
    }
    
    .single-title {
        font-size: 1.6rem;
    }
}

@media (max-width: 768px) {
    .singles-section {
        margin-top: 40px;
    }
    
    .section-subtitle {
        font-size: 1.8rem;
    }
    
    .singles-thumbnails {
        padding: 0 30px;
    }
    
    .single-thumbnail {
        width: 160px;
    }
    
    .single-thumbnail .thumbnail-image {
        height: 90px;
    }
    
    .single-title {
        font-size: 1.4rem;
    }
    
    .single-artist {
        font-size: 1rem;
    }
    
    .single-description {
        font-size: 0.95rem;
    }
}

@media (max-width: 576px) {
    .singles-section {
        margin-top: 30px;
    }
    
    .section-subtitle {
        font-size: 1.5rem;
    }
    
    .singles-thumbnails {
        padding: 0 20px;
    }
    
    .single-thumbnail {
        width: 140px;
    }
    
    .single-thumbnail .thumbnail-image {
        height: 79px;
    }
    
    .single-thumbnail .thumbnail-title {
        font-size: 0.8rem;
        padding: 8px 5px;
    }
    
    .single-title {
        font-size: 1.3rem;
    }
    
    .single-artist {
        font-size: 0.9rem;
    }
    
    .single-description {
        font-size: 0.9rem;
    }
}

.album-thumbnails, .singles-thumbnails {
    position: relative;
    margin-bottom: 40px;
    padding: 0 40px;
}

.thumbnail-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    background: rgba(223, 1, 57, 0.8);
    color: white;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 5;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.thumbnail-nav.prev {
    left: 0;
}

.thumbnail-nav.next {
    right: 0;
}

.thumbnail-nav:hover {
    background: rgba(223, 1, 57, 1);
    transform: translateY(-50%) scale(1.1);
}

.thumbnail-nav i {
    font-size: 1rem;
}

@media (max-width: 768px) {
    .thumbnail-nav {
        width: 30px;
        height: 30px;
    }
    
    .thumbnail-nav i {
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .thumbnail-nav {
        width: 25px;
        height: 25px;
    }
    
    .thumbnail-nav i {
        font-size: 0.8rem;
    }
}

/* モバイル向け調整 */
@media (max-width: 768px) {
    .album-thumbnails, .singles-thumbnails {
        padding: 0 30px;
    }
    
    .album-thumbnails-container, .singles-thumbnails-container {
        padding-left: 10px;
        padding-right: 10px;
        gap: 15px;
    }
    
    .album-thumbnail, .single-thumbnail {
        width: 180px;
    }
    
    .single-thumbnail .thumbnail-image {
        height: 101px; /* 16:9 ratio for 180px width */
    }
}

@media (max-width: 576px) {
    .album-thumbnails, .singles-thumbnails {
        padding: 0 20px;
    }
    
    .album-thumbnails-container, .singles-thumbnails-container {
        padding-left: 5px;
        padding-right: 5px;
        gap: 10px;
    }
    
    .album-thumbnail, .single-thumbnail {
        width: 160px;
    }
    
    .album-thumbnail .thumbnail-image {
        height: 160px;
    }
    
    .single-thumbnail .thumbnail-image {
        height: 90px; /* 16:9 ratio for 160px width */
    }
}

/* Responsive styles for about-text */
@media (max-width: 768px) {
    .about-text p {
        font-size: 1.2rem;
        margin-bottom: 1rem;
    }
}

@media (max-width: 480px) {
    .about-text p {
        font-size: 1.1rem;
        margin-bottom: 0.8rem;
    }
}

@media (max-width: 576px) {
    /* ... existing code ... */
    
    /* ホバー時の拡大を抑える */
    .member-card:hover {
        transform: scale(1.03) rotateY(360deg) !important;
    }
    
    .member-card.animation-ready:hover {
        transform: scale(1.03) rotateY(360deg) !important;
    }
    
    /* Twitterヒントの位置調整 */
    .twitter-hint {
        bottom: 10px;
        font-size: 0.8rem;
        padding: 6px;
    }
    /* ... existing code ... */
}

@media (max-width: 768px) {
    /* ... existing code ... */
    .members {
        padding: 80px 0 100px; /* パディングを調整 */
    }
    
    .members-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px; /* ギャップを少し小さくする */
    }
    /* ... existing code ... */
}

@media (max-width: 576px) {
    /* ... existing code ... */
    .members {
        padding: 60px 0 80px; /* パディングをさらに調整 */
    }
    
    .members .container {
        padding: 0 15px; /* コンテナのパディングを調整 */
    }
    
    .members-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px; /* ギャップをさらに小さくする */
        margin-bottom: 30px; /* セクション下部に余白を追加 */
    }
    
    .member-card {
        margin-bottom: 5px; /* 下部マージンを小さくする */
        border-width: 2px; /* ボーダーを細くする */
    }
    
    .member-card::before {
        top: -2px;
        left: -2px;
        width: calc(100% + 4px);
        height: calc(100% + 4px);
    }
    
    .member-image {
        height: 180px; /* 画像の高さを小さくする */
    }
    
    .member-name {
        padding: 15px 10px; /* パディングを小さくする */
        font-size: 1rem; /* フォントサイズを小さくする */
    }
    
    /* ホバー時の拡大を抑える */
    .member-card:hover {
        transform: scale(1.03) rotateY(360deg) !important;
    }
    
    .member-card.animation-ready:hover {
        transform: scale(1.03) rotateY(360deg) !important;
    }
    
    /* Twitterヒントの位置調整 */
    .twitter-hint {
        bottom: 10px;
        font-size: 0.8rem;
        padding: 6px;
    }
    /* ... existing code ... */
}