/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ===== Preloader ===== */
#preloader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: #000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: opacity 0.8s ease;
}

.logo-frame {
    border: 3px solid #33d5ff;
    padding: 1.2rem 2.8rem;
    filter: drop-shadow(0 0 8px #33d5ff);
    margin-bottom: 3rem;
    border-radius: 8px;
}

.logo-text {
    font-size: 2rem;
    font-weight: 700;
    color: #33d5ff;
    letter-spacing: 0.05em;
    text-shadow: 0 0 12px #33d5ff;
    font-family: "Noto Sans JP", sans-serif;
}

.progress-wrap {
    position: relative;
    width: 240px;
    height: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    margin-bottom: 1rem;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #33d5ff, #4f7cff);
    border-radius: 5px;
    transition: width 0.2s ease;
}

#progress-num {
    display: block;
    text-align: center;
    margin-top: 0.8rem;
    color: #33d5ff;
    font-size: 1rem;
    font-family: "Noto Sans JP", sans-serif;
    font-weight: 500;
    text-shadow: 0 0 12px #33d5ff;
}

.water-splash {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 0;
    background: #33d5ff;
    transform: translateX(-50%);
    z-index: -1;
}

/* ===== Splash animation when complete ===== */
.splash-start .water-splash {
    animation: splash 1s ease-out forwards;
}

@keyframes splash {
    0% {
        width: 0;
        opacity: 1;
    }
    50% {
        width: 120vw;
        opacity: 0.8;
    }
    100% {
        width: 0;
        opacity: 0;
    }
}

:root {
    --color-white: #FFFFFF;
    --color-accent: #4F7CFF;
    --color-dark: #101010;
    --color-gray: #666666;
    --color-light-gray: #F8F9FA;
    --font-primary: 'Noto Sans JP', sans-serif;
    --font-japanese: 'Noto Sans JP', sans-serif;
    
    /* 水中×ネオンテーマ */
    --bg-deep: #06172f;
    --bg-wave: #092752;
    --accent: #33d5ff;
    --accent-grad: linear-gradient(135deg, #33d5ff 0%, #4f7cff 100%);
    --neon-glow: 0 0 20px rgba(51, 213, 255, 0.3);
    --underwater-grad: linear-gradient(180deg, #06172f 0%, #092752 50%, #0a3d68 100%);
}

html {
    scroll-behavior: smooth;
}

/* ---- グローバルフォントを Noto Sans JP に統一 ---- */
body, button, input, textarea {
    font-family: "Noto Sans JP", sans-serif;
}

body {
    line-height: 1.6;
    color: var(--color-white);
    background: var(--underwater-grad);
    min-height: 100vh;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(6, 23, 47, 0.85);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(51, 213, 255, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

/* ---- ロゴ（ナビタイトル）も新フォントに合わせサイズ統一 ---- */
.logo {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    color: var(--accent);
    text-decoration: none;
    text-shadow: var(--neon-glow);
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: var(--color-white);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--accent);
    text-shadow: var(--neon-glow);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--color-white);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(6, 23, 47, 0.3) 0%, rgba(9, 39, 82, 0.6) 100%);
    z-index: 1;
}

.hero-content {
    text-align: center;
    color: var(--color-white);
    z-index: 2;
    position: relative;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 0 0 30px rgba(51, 213, 255, 0.8), 2px 2px 4px rgba(0, 0, 0, 0.5);
    color: var(--accent);
}

/* ===== HERO ===== */
.hero-headline {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    font-size: clamp(2rem, 3vw + 1rem, 3rem);
    font-weight: 700;
    line-height: 1.3;
    background: var(--accent-grad);
    -webkit-background-clip: text;
    color: transparent;
    text-shadow: 0 0 20px rgba(51, 213, 255, 0.5);
    margin-bottom: 20px;
}

/* ---- サブタイトルのスタイル微調整 ---- */
.hero-sub {
    margin-top: 0.5rem;
    font-size: 1rem;
    letter-spacing: 0.04em;
    opacity: 0.9;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.listen-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.listen-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 25px;
    background: rgba(51, 213, 255, 0.1);
    color: var(--accent);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(51, 213, 255, 0.3);
    box-shadow: var(--neon-glow);
}

.listen-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.listen-btn.spotify:hover {
    background-color: #1DB954;
    color: white;
}

.listen-btn.apple:hover {
    background-color: #000000;
    color: white;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border: 2px solid var(--color-white);
    border-top: none;
    border-right: none;
    transform: rotate(-45deg);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) rotate(-45deg) translateY(0);
    }
    40% {
        transform: translateX(-50%) rotate(-45deg) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) rotate(-45deg) translateY(-5px);
    }
}

/* Sections */
section {
    padding: 80px 0;
}

.section-title {
    font-size: clamp(2rem, 4vw + 1rem, 2.5rem);
    text-align: center;
    margin-bottom: 50px;
    color: var(--accent);
    font-weight: 600;
    text-shadow: var(--neon-glow);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: var(--accent-grad);
    border-radius: 2px;
}

/* Listen Section */
.listen {
    background: linear-gradient(135deg, var(--bg-deep) 0%, var(--bg-wave) 100%);
    padding: 100px 0;
}

.spotify-embed {
    max-width: 800px;
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 20px rgba(51, 213, 255, 0.2);
    border: 2px solid rgba(51, 213, 255, 0.25);
    transition: all 0.3s ease;
}

.spotify-embed:hover {
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4), 0 0 30px rgba(51, 213, 255, 0.4);
    transform: translateY(-2px);
}

.spotify-embed iframe {
    border-radius: 18px;
}

/* ====== SUNO Full Album Notice ====== */
.suno-notice {
    background: linear-gradient(135deg, rgba(51, 213, 255, 0.15) 0%, rgba(79, 124, 255, 0.15) 100%);
    border-radius: 20px;
    padding: 30px;
    margin-top: 40px;
    border: 2px solid rgba(51, 213, 255, 0.3);
    backdrop-filter: blur(10px);
    text-align: center;
}

.suno-title {
    font-size: clamp(1.2rem, 2.5vw + 0.5rem, 1.5rem);
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 15px;
    text-shadow: var(--neon-glow);
    line-height: 1.4;
}

.suno-text {
    font-size: clamp(0.95rem, 2vw + 0.3rem, 1.1rem);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin-bottom: 25px;
    font-family: var(--font-japanese);
    max-width: 95%;
    margin-left: auto;
    margin-right: auto;
}

.suno-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    background: var(--accent-grad);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: clamp(0.9rem, 2vw + 0.3rem, 1.1rem);
    transition: all 0.3s ease;
    box-shadow: var(--neon-glow);
    white-space: nowrap;
}

.suno-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(51, 213, 255, 0.6);
    background: linear-gradient(135deg, #33d5ff 0%, #6b9eff 100%);
}

/* モバイル改行 */
.mobile-br {
    display: none;
}

@media screen and (max-width: 768px) {
    .mobile-br {
        display: inline;
    }
    
    .hero-headline {
        font-size: clamp(1.3rem, 4vw + 0.5rem, 2rem);
        line-height: 1.35;
    }
    
    .suno-notice {
        padding: 20px;
        margin-top: 30px;
    }
    
    .suno-btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .about-text-container {
        text-align: center;
    }
    
    .about-image {
        max-width: 250px;
    }
}

/* ===== Album Sections ===== */
.album-section {
    margin-top: 70px;
    margin-bottom: 60px;
    text-align: center;
}

.album-section:first-child {
    margin-top: 40px;
}

.album-section-title {
    font-size: clamp(1.3rem, 2.8vw + 0.5rem, 1.7rem);
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 20px;
    text-shadow: 0 0 15px #33d5ff;
    line-height: 1.8;
    text-align: center !important;
    width: 100%;
    display: block;
}

.album-section-date {
    font-size: clamp(0.95rem, 2vw + 0.3rem, 1.1rem);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 35px;
    font-weight: 500;
    text-align: center !important;
    opacity: 0.85;
    width: 100%;
    display: block;
    line-height: 1.7;
}

.album-additional-info {
    margin-top: 50px;
    text-align: center !important;
    width: 100%;
}

.album-info-text {
    font-size: clamp(0.9rem, 1.8vw + 0.3rem, 1rem);
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.9;
    margin-bottom: 30px;
    font-family: var(--font-japanese);
    text-align: center !important;
    width: 100%;
    display: block;
}

@media screen and (max-width: 768px) {
    .album-section {
        margin-top: 35px;
        margin-bottom: 30px;
    }
    
    .album-section-title {
        margin-bottom: 8px;
    }
    
    .album-section-date {
        margin-bottom: 20px;
    }
    
    .album-additional-info {
        margin-top: 40px;
    }
}

@media screen and (min-width: 1024px) {
    .album-additional-info {
        margin-top: 60px;
    }
}

/* ===== Album Promo ===== */
#album-promo {
    background: rgba(0,0,0,.25);
    backdrop-filter: blur(10px);
    padding: 4rem 1.5rem;
    display: flex;
    justify-content: center;
}

.promo-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 2.5rem;
    align-items: center;
    max-width: 960px;
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 8px 24px rgba(0,0,0,.3);
    background: linear-gradient(135deg, #04142e 0%, #062a52 100%);
    padding: 2rem;
}

.promo-jacket {
    width: 240px;
    height: 240px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 0 12px rgba(0,0,0,.4);
}

.promo-info {
    flex: 1;
    min-width: 240px;
    color: #fff;
}

.promo-title {
    font-size: 1.5rem;
    margin-bottom: .3rem;
    background: var(--accent-grad);
    -webkit-background-clip: text;
    color: transparent;
    font-weight: 700;
}

.promo-date {
    opacity: .8;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}


.promo-info .btn.presave {
    display: inline-block;
    padding: .8rem 1.8rem;
    border-radius: 30px;
    background: linear-gradient(90deg, #ff8a00, #ff3d00);
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    transition: .3s;
    border: none;
}

.promo-info .btn.presave:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(255, 138, 0, 0.4);
}

@media(max-width: 600px) {
    .promo-wrap {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .promo-jacket {
        width: 200px;
        height: 200px;
    }
    
    #album-promo {
        padding: 3rem 1rem;
    }
}

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

/* ===== ABOUT ===== */
.about-wrap {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    max-width: 1100px;
    margin: 0 auto;
}

.about-img {
    flex: 1;
    min-width: 300px;
    display: flex;
    justify-content: center;
}

.about-img img {
    max-width: 320px;
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25), var(--neon-glow);
    transition: all 0.3s ease;
    /* 背景透過画像に最適化 */
    background: linear-gradient(135deg, rgba(51, 213, 255, 0.05) 0%, rgba(79, 124, 255, 0.05) 100%);
    backdrop-filter: blur(2px);
}

.about-img img:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), 0 0 30px rgba(51, 213, 255, 0.4);
}

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

@media (max-width: 767px) {
    .about-wrap {
        flex-direction: column;
        gap: 2rem;
    }
    
    .about-text {
        text-align: center;
    }
}

.about-text-content {
    font-size: clamp(1rem, 2.2vw + 0.4rem, 1.2rem);
    font-family: var(--font-japanese);
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
}

.about-content hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(51, 213, 255, 0.3), transparent);
    margin: 30px 0;
}

/* ---- About キーワード強調 ---- */
.keyword {
    background: var(--accent-grad);
    -webkit-background-clip: text;
    color: transparent;
    font-weight: 600;
}

/* ---- 英語パラグラフ控えめ表示 ---- */
.en {
    opacity: 0.78;
    font-size: 0.9em;
}

/* Music Section - Legacy Styles */
/* ===== MUSIC セクション ===== */
.albums-container.music-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

/* 波紋アニメ */
@keyframes ripple {
    0% {
        opacity: 0.25;
        transform: scale(0);
    }
    100% {
        opacity: 0;
        transform: scale(4);
    }
}

.music-grid::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 120px;
    height: 120px;
    border: 2px solid rgba(79, 124, 255, 0.4);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: ripple 6s infinite;
    pointer-events: none;
    z-index: -1;
}


.album-card {
    background: linear-gradient(135deg, rgba(51, 213, 255, 0.1) 0%, rgba(79, 124, 255, 0.1) 100%);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(51, 213, 255, 0.2);
    backdrop-filter: blur(10px);
}

.album-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), var(--neon-glow);
}

.album-cover {
    width: 200px;
    height: 200px;
    border-radius: 15px;
    margin: 0 auto 20px;
    overflow: hidden;
}

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

.album-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--color-white);
}

.album-date {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.streaming-links {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.streaming-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    border: 2px solid var(--accent);
    color: var(--accent);
    text-decoration: none;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    background: rgba(51, 213, 255, 0.1);
}

.streaming-link:hover {
    background: var(--accent-grad);
    color: white;
    box-shadow: var(--neon-glow);
    transform: translateY(-2px);
}

.btn.presave {
    background: linear-gradient(90deg, #ff8a00, #ff3d00);
    color: #fff;
    border-color: #ff8a00;
}

.btn.presave:hover {
    background: linear-gradient(90deg, #ff9d1a, #ff5722);
    box-shadow: 0 0 20px rgba(255, 138, 0, 0.4);
}

/* Partners Section */
.partners {
    background: var(--bg-deep);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.partner-card {
    background: linear-gradient(135deg, rgba(51, 213, 255, 0.1) 0%, rgba(79, 124, 255, 0.1) 100%);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(51, 213, 255, 0.2);
    backdrop-filter: blur(10px);
}

.partner-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), var(--neon-glow);
}

/* ====== Partner logo: perfect circle, no white border ====== */
.partner-logo {
    width: 140px;       /* ⬅ 好みで調整 */
    height: 140px;
    border-radius: 50%;
    object-fit: cover;  /* 画像をセンターでクロップ */
    display: block;
    margin: 0 auto 1rem; /* 中央寄せ & 見出しとの余白 */
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.06); /* 薄い枠線（任意） */
}

/* 余計な白背景を付けている場合は無効化 */
.partner-card img {
    background: none;
}

.partner-name {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--color-white);
}

.partner-description {
    font-size: 1rem;
    font-family: var(--font-japanese);
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 25px;
}

.partner-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--accent-grad);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: var(--neon-glow);
}

.partner-link:hover {
    background: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(51, 213, 255, 0.5);
}

/* SNS circle icons */
.sns-links {
    display: flex;
    justify-content: center;
    gap: 3rem;
    list-style: none;
    padding: 0;
    margin: 3.5rem 0;
}

.sns-links li a {
    --ring: #33d5ff;
    --fill: #0e2d55;
    width: 96px;
    height: 96px;
    border: 3px solid var(--ring);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ring);
    transition: .35s;
    font-size: 0; /* suppress extra gap */
    text-decoration: none;
}

.sns-links li a svg {
    width: 40px;
    height: 40px;
    pointer-events: none;
}

.sns-links li a:hover {
    background: var(--fill);
    color: #fff;
    transform: translateY(-6px) scale(1.07);
    box-shadow: 0 0 12px 4px rgba(51, 213, 255, .6), 0 0 24px 8px rgba(51, 213, 255, .3) inset;
}

@media(max-width: 600px) {
    .sns-links {
        gap: 2rem;
    }
    .sns-links li a {
        width: 72px;
        height: 72px;
    }
    .sns-links li a svg {
        width: 32px;
        height: 32px;
    }
}

/* Footer */
.footer {
    background: var(--bg-deep);
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid rgba(51, 213, 255, 0.2);
}

.footer-text {
    color: var(--color-white);
    font-size: 0.9rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in.show {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-deep);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.3);
        padding: 20px 0;
        backdrop-filter: blur(10px);
        border-bottom: 1px solid rgba(51, 213, 255, 0.2);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

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

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .listen-buttons {
        flex-direction: column;
        align-items: center;
    }

    .section-title {
        font-size: 2rem;
    }

    .albums-container.music-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .social-links {
        gap: 20px;
    }

    .social-link {
        min-width: 100px;
        padding: 15px;
    }

    .partners-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 30px;
    }
}

@media screen and (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    section {
        padding: 60px 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .listen-btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }

    .album-card {
        padding: 20px;
    }

    .album-cover {
        width: 150px;
        height: 150px;
    }

    .streaming-links {
        gap: 10px;
    }

    .streaming-link {
        padding: 8px 12px;
        font-size: 0.8rem;
    }

    .social-links {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .partners-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .partner-card {
        padding: 25px;
    }
}

@media screen and (min-width: 1200px) {
    .albums-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===== Page Styles for Privacy/Contact ===== */
.page-container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem 1.5rem;
    color: var(--color-white) !important;
    font-family: var(--font-japanese) !important;
    line-height: 1.7;
    background: var(--underwater-grad) !important;
    min-height: 100vh;
}

/* Page Header */
.page-header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem 0;
    border-bottom: 2px solid rgba(51, 213, 255, 0.2);
}

.page-header h1 {
    color: var(--accent);
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 0.5rem;
    text-shadow: var(--neon-glow);
}

.page-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
    margin: 0;
}

/* Content Sections */
.page-content {
    margin-bottom: 4rem;
}

.content-section {
    margin-bottom: 3rem;
}

.content-section h2 {
    color: var(--accent);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(51, 213, 255, 0.3);
}

.content-section h3 {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.2rem;
    margin: 1.5rem 0 0.8rem;
}

/* Box Styles */
.policy-box, .intro-box {
    background: linear-gradient(135deg, rgba(51, 213, 255, 0.08) 0%, rgba(79, 124, 255, 0.08) 100%);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(51, 213, 255, 0.2);
    margin: 1.5rem 0;
}

.contact-box {
    background: rgba(51, 213, 255, 0.1);
    padding: 1.8rem;
    border-radius: 12px;
    border: 1px solid rgba(51, 213, 255, 0.25);
    margin: 1.5rem 0;
}

/* Info Lists */
.info-list {
    display: grid;
    gap: 1.5rem;
    margin: 2rem 0;
}

.info-item {
    background: rgba(255, 255, 255, 0.03);
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 4px solid var(--accent);
}

.info-item h3 {
    color: var(--accent);
    margin: 0 0 0.8rem;
    font-size: 1.1rem;
}

.info-item p {
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
}

/* Cookie Info */
.cookie-info {
    background: rgba(51, 213, 255, 0.05);
    padding: 1.5rem;
    border-radius: 10px;
    margin: 1.5rem 0;
}

/* Purpose List */
.purpose-list {
    background: rgba(255, 255, 255, 0.03);
    padding: 1.5rem 2rem;
    border-radius: 10px;
    margin: 1rem 0;
}

.purpose-list li {
    margin-bottom: 0.8rem;
    color: rgba(255, 255, 255, 0.9);
}

/* Contact Styles */
.contact-main {
    display: grid;
    gap: 2rem;
    margin: 2rem 0;
}

.email-box {
    background: linear-gradient(135deg, rgba(51, 213, 255, 0.1) 0%, rgba(79, 124, 255, 0.1) 100%);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(51, 213, 255, 0.25);
    text-align: center;
}

.email-box h3 {
    color: var(--accent);
    margin: 0 0 0.8rem;
    font-size: 1.3rem;
}

.email-desc {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.email-link {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 1.5rem;
    background: var(--accent-grad);
    color: white !important;
    text-decoration: none !important;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--neon-glow);
}

.email-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(51, 213, 255, 0.6);
    text-decoration: none !important;
}

.email-icon {
    font-size: 1.2rem;
}

.email-text {
    font-size: 1rem;
}

/* Response Info */
.response-info {
    background: rgba(255, 255, 255, 0.03);
    padding: 1.8rem;
    border-radius: 12px;
    margin: 2rem 0;
}

.response-info h3 {
    color: var(--accent);
    margin: 0 0 1rem;
}

.response-info ul {
    list-style: none;
    padding: 0;
}

.response-info li {
    padding: 0.5rem 0;
    color: rgba(255, 255, 255, 0.9);
}

/* Social Grid */
.social-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.social-item {
    background: rgba(51, 213, 255, 0.05);
    padding: 1.8rem;
    border-radius: 12px;
    border: 1px solid rgba(51, 213, 255, 0.15);
    text-align: center;
}

.social-item h3 {
    color: var(--accent);
    margin: 0 0 0.8rem;
}

.social-item p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.2rem;
    font-size: 0.95rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--accent) !important;
    text-decoration: none !important;
    font-weight: 500;
    transition: all 0.3s ease;
}

.social-link:hover {
    color: white !important;
    text-decoration: none !important;
    transform: translateY(-1px);
}

.social-icon {
    font-size: 1.2rem;
}

/* FAQ Styles */
.faq-list {
    margin: 2rem 0;
}

.faq-item {
    background: rgba(255, 255, 255, 0.03);
    padding: 1.8rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--accent);
}

.faq-item h3 {
    color: var(--accent);
    margin: 0 0 1rem;
    font-size: 1.1rem;
}

.faq-item p {
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
}

/* Links - 強制的に見やすくする */
.page-container a, 
.policy-link, 
.back-link {
    color: #ffffff !important;
    text-decoration: none !important;
    font-weight: 600 !important;
    padding: 0.3rem 0.8rem !important;
    background: var(--accent-grad) !important;
    border-radius: 6px !important;
    transition: all 0.3s ease !important;
    display: inline-block !important;
}

.page-container a:hover,
.policy-link:hover, 
.back-link:hover {
    color: #ffffff !important;
    text-decoration: none !important;
    background: linear-gradient(135deg, #4dd0ff 0%, #6b9eff 100%) !important;
    transform: translateY(-1px) !important;
}

/* 通常のテキストリンクも見やすく */
.page-container p a,
.page-container li a {
    color: #33d5ff !important;
    background: rgba(51, 213, 255, 0.2) !important;
    padding: 0.2rem 0.5rem !important;
    border-radius: 4px !important;
    font-weight: 500 !important;
}

.update-date {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin-top: 1rem;
    text-align: center;
}

/* Footer */
.page-footer {
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid rgba(51, 213, 255, 0.2);
    margin-top: 3rem;
}

.footer-nav {
    margin-bottom: 1rem;
}

.copyright {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin: 0;
}

/* Mobile Responsive */
@media (max-width: 600px) {
    .page-container {
        margin: 1rem auto;
        padding: 0 1rem;
    }
    
    .page-header {
        padding: 1.5rem 0;
        margin-bottom: 2rem;
    }
    
    .content-section {
        margin-bottom: 2rem;
    }
    
    .email-box, .policy-box, .intro-box {
        padding: 1.5rem;
    }
    
    .social-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

#legal {
    background: var(--bg-deep);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid rgba(51, 213, 255, 0.2);
    color: var(--color-white);
}

#legal p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

#legal nav a {
    color: var(--accent);
    text-decoration: none;
    margin: 0 0.5rem;
}

#legal nav a:hover {
    text-decoration: underline;
}