/* ==================== リセット・基本設定 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Noto Sans JP', 'Kosugi Maru', 'Hiragino Sans', sans-serif;
    line-height: 1.6;
    color: #1a1a2e;
    background: #f5f5f5;
    overflow-x: hidden;
}

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

/* ==================== ナビゲーション ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 15, 30, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: inherit;
}

.brand-icon {
    font-size: 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-name {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
}

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

.nav-link {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 16px;
    border-radius: 8px;
}

.nav-link:hover {
    background: rgba(124, 58, 237, 0.1);
    color: #a855f7;
}

.nav-link:hover {
    color: #667eea;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    transition: 0.3s;
    border-radius: 2px;
}

/* ==================== ヒーローセクション ==================== */
.hero {
    min-height: 100vh;
    background: #0f0f1e;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(120, 219, 255, 0.2) 0%, transparent 50%);
    filter: blur(100px);
    animation: floatGradient 20s ease-in-out infinite;
}

@keyframes floatGradient {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-20px, -20px) scale(1.1); }
    66% { transform: translate(20px, -10px) scale(0.9); }
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    min-height: 100vh;
}

.hero-content {
    color: white;
    z-index: 2;
    position: relative;
}

.hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 30px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-transform: uppercase;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.8);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.highlight {
    background: linear-gradient(135deg, #ffd700 0%, #ff6b6b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);
    color: white;
    box-shadow: 0 0 40px rgba(168, 85, 247, 0.5);
    position: relative;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #a855f7 0%, #7c3aed 100%);
    border-radius: 25px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(255, 107, 107, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
}

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


/* ヒーロービジュアル */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 500px;
}

.abstract-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.6;
    animation: floatShape 8s ease-in-out infinite;
}

.shape-1 {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.3), rgba(168, 85, 247, 0.3));
    top: 10%;
    left: 15%;
    animation-delay: 0s;
}

.shape-2 {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.3), rgba(244, 63, 94, 0.3));
    top: 20%;
    right: 20%;
    animation-delay: 1s;
}

.shape-3 {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.3), rgba(147, 51, 234, 0.3));
    bottom: 30%;
    left: 25%;
    animation-delay: 2s;
}

.shape-4 {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.3), rgba(16, 185, 129, 0.3));
    bottom: 20%;
    right: 15%;
    animation-delay: 3s;
}

.shape-5 {
    width: 140px;
    height: 140px;
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.3), rgba(245, 158, 11, 0.3));
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 4s;
}

@keyframes floatShape {
    0%, 100% { 
        transform: translateY(0px) scale(1);
    }
    50% { 
        transform: translateY(-30px) scale(1.1);
    }
}

.hero-text-overlay {
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 2;
}

.overlay-text {
    font-size: clamp(4rem, 8vw, 8rem);
    font-weight: 900;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    letter-spacing: 0.2em;
    margin-bottom: -20px;
}

.overlay-text-small {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    letter-spacing: 0.3em;
}

/* ==================== セクション共通 ==================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* ==================== 特徴セクション ==================== */
.features {
    padding: 120px 0;
    background: linear-gradient(to bottom, #f5f5f5 0%, #ffffff 100%);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(124, 58, 237, 0.3) 50%, transparent 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.feature-card {
    background: linear-gradient(145deg, #ffffff 0%, #f8f9ff 100%);
    padding: 45px 35px;
    border-radius: 24px;
    text-align: center;
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(124, 58, 237, 0.08);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(124, 58, 237, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-number {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 25px;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);
    color: white;
    border-radius: 20px;
    position: relative;
    box-shadow: 0 8px 25px rgba(124, 58, 237, 0.3);
    font-family: 'Noto Sans JP', sans-serif;
}

.feature-number::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, #a855f7 0%, #7c3aed 100%);
    border-radius: 22px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover .feature-number::before {
    opacity: 1;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.feature-description {
    color: #666;
    line-height: 1.7;
    font-size: 1rem;
}

/* ==================== ゲーム紹介セクション ==================== */
.games {
    padding: 100px 0;
    background: white;
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.game-card {
    background: linear-gradient(145deg, #ffffff 0%, #fafbff 100%);
    border-radius: 32px;
    padding: 40px;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.08),
        0 0 0 1px rgba(0, 0, 0, 0.02);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    border: 1px solid rgba(124, 58, 237, 0.05);
    overflow: hidden;
}

.game-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
    transform: scale(0);
}

.game-card:hover::after {
    opacity: 1;
    transform: scale(1);
}

.game-card.featured {
    border: 2px solid #667eea;
    transform: scale(1.02);
}

.game-card.coming-soon {
    opacity: 0.7;
}

.game-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.game-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.game-button:active {
    transform: translateY(0);
}

.game-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #ec4899 0%, #f43f5e 100%);
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(236, 72, 153, 0.4);
}

.game-card.coming-soon .game-badge {
    background: linear-gradient(135deg, #95a5a6 0%, #7f8c8d 100%);
}

.game-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.game-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.game-description {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.game-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.feature-tag {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}


.game-button {
    width: 100%;
    text-align: center;
    padding: 12px 24px;
    border-radius: 15px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-block;
    position: relative;
    z-index: 10;
}

.coming-soon-label {
    text-align: center;
    padding: 12px 24px;
    background: #f8f9fa;
    border-radius: 15px;
    color: #666;
    font-weight: 500;
}

/* ==================== 対象年齢セクション ==================== */
.target-audience {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9ff 0%, #e8f0fe 100%);
}

.target-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.target-description {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 40px;
    line-height: 1.7;
}

.age-groups {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.age-group {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.age-level {
    font-size: 1rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    text-align: center;
    min-width: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.age-info h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: #333;
}

.age-info p {
    color: #666;
    line-height: 1.6;
}

.target-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.modern-visual {
    position: relative;
    width: 100%;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.4;
    animation: float 6s ease-in-out infinite;
}

.shape-main {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    animation-delay: 0s;
}

.shape-accent-1 {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #ffd700 0%, #ff6b6b 100%);
    top: 20%;
    left: 20%;
    animation-delay: 1s;
}

.shape-accent-2 {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #00d2ff 0%, #3a7bd5 100%);
    bottom: 30%;
    right: 25%;
    animation-delay: 2s;
}

.shape-accent-3 {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    top: 15%;
    right: 15%;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0px) scale(1);
    }
    50% { 
        transform: translateY(-20px) scale(1.05);
    }
}

/* ==================== フッター ==================== */
.footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    margin-bottom: 40px;
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-brand .brand-icon {
    font-size: 3rem;
}

.footer-brand .brand-name {
    font-size: 2rem;
    font-weight: 700;
}

.brand-tagline {
    color: #bdc3c7;
    font-size: 1.1rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.link-group h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #ecf0f1;
}

.link-group a {
    display: block;
    color: #bdc3c7;
    text-decoration: none;
    margin-bottom: 10px;
    transition: color 0.3s ease;
}

.link-group a:hover {
    color: #667eea;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 20px;
    text-align: center;
    color: #95a5a6;
}

.footer-note {
    margin-top: 10px;
    font-size: 0.9rem;
}

/* ==================== ペットスプライト用ピクセル色定義 ==================== */
.pixel.transparent {
    background-color: transparent;
}

.pixel.brown {
    background-color: #8B4513;
}

.pixel.yellow {
    background-color: #FFD700;
}

.pixel.green {
    background-color: #90EE90;
}

.pixel.green-light {
    background-color: #98FB98;
}

.pixel.green-dark {
    background-color: #228B22;
}

.pixel.pink {
    background-color: #FFB6C1;
}

.pixel.black {
    background-color: #000000;
}

.pixel.white {
    background-color: #FFFFFF;
}

.pixel.blue {
    background-color: #87CEEB;
}

/* ==================== レスポンシブデザイン ==================== */
@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .target-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 50px;
        transition: left 0.3s ease;
    }
    
    .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(7px) rotate(45deg);
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .games-grid {
        grid-template-columns: 1fr;
    }
    
    .age-groups {
        gap: 20px;
    }
    
    .age-group {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .main-character {
        font-size: 6rem;
    }
    
    .visual-shape {
        opacity: 0.3;
    }
    
    .shape-main {
        width: 150px;
        height: 150px;
    }
    
    .shape-accent-1 {
        width: 90px;
        height: 90px;
    }
    
    .shape-accent-2 {
        width: 60px;
        height: 60px;
    }
    
    .shape-accent-3 {
        width: 45px;
        height: 45px;
    }
    
    .float-item {
        font-size: 2rem;
    }
}

/* ==================== ペットショーケース ==================== */
.pet-showcase {
    padding: 80px 0;
    background: linear-gradient(135deg, #e8f5e8 0%, #f0f8ff 100%);
    position: relative;
    overflow: hidden;
}

.pet-showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 20"><defs><pattern id="grain" width="100" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="%23ffffff" opacity="0.05"/></pattern></defs><rect width="100" height="20" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.pet-showcase-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
    margin-bottom: 40px;
}

/* ペット表示カード */
.pet-display-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 25px;
    padding: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
}

.pet-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.pet-name {
    font-size: 1.8rem;
    font-weight: bold;
    color: #2c3e50;
    margin: 0;
}

.pet-stage {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.9rem;
    font-weight: bold;
}

.pet-day {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 1rem;
}

/* ペットスプライト表示 */
.pet-sprite-showcase {
    display: flex;
    justify-content: center;
    margin-bottom: 25px;
}

.pet-environment-mini {
    position: relative;
    background: linear-gradient(to bottom, #87CEEB 0%, #98FB98 70%, #90EE90 100%);
    border-radius: 20px;
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.mini-decoration {
    position: absolute;
    font-size: 1.5rem;
    opacity: 0.6;
    animation: gentleFloat 3s ease-in-out infinite;
}

.mini-decoration:nth-child(1) {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.mini-decoration:nth-child(2) {
    bottom: 25%;
    right: 20%;
    animation-delay: 1.5s;
}

@keyframes gentleFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.pet-sprite-mini {
    display: grid;
    grid-template-columns: repeat(16, 8px);
    grid-template-rows: repeat(16, 8px);
    gap: 0;
    animation: petBreathe 2s ease-in-out infinite;
    z-index: 10;
}

.pet-sprite-mini .pixel {
    width: 8px;
    height: 8px;
    border: none;
}

/* ミニステータスバー */
.pet-stats-mini {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 25px;
}

.mini-stat {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mini-stat-icon {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.mini-stat-bar {
    flex: 1;
    height: 12px;
    background: #ecf0f1;
    border-radius: 6px;
    overflow: hidden;
}

.mini-stat-fill {
    height: 100%;
    border-radius: 6px;
    transition: width 0.5s ease;
    background: linear-gradient(90deg, #e74c3c, #f39c12);
}

/* ペットアクション */
.pet-actions {
    display: flex;
    gap: 15px;
}

.pet-action-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border: none;
    border-radius: 20px;
    font-family: inherit;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    color: white;
    background: linear-gradient(135deg, #4CAF50, #45a049);
}

.pet-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(76, 175, 80, 0.4);
}

.pet-care-link {
    background: linear-gradient(135deg, #3498db, #2980b9);
}

.pet-care-link:hover {
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
}

/* 情報パネル */
.pet-info-panel {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.evolution-progress h4,
.pet-achievements h4 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

/* 進化タイムライン */
.evolution-timeline {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.evolution-timeline::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3498db, #2ecc71);
    border-radius: 2px;
    z-index: 1;
}

.evolution-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    position: relative;
    z-index: 10;
    opacity: 0.5;
    transition: all 0.3s ease;
}

.evolution-step.active {
    opacity: 1;
    transform: scale(1.1);
}

.evolution-step.completed {
    opacity: 1;
}

.step-icon {
    width: 50px;
    height: 50px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border: 3px solid #ecf0f1;
}

.evolution-step.active .step-icon {
    border-color: #3498db;
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.3);
}

.step-label {
    font-size: 0.8rem;
    font-weight: bold;
    color: #2c3e50;
    text-align: center;
}

.step-day {
    font-size: 0.7rem;
    color: #7f8c8d;
}

/* アチーブメント */
.achievement-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.achievement-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.achievement-item.completed {
    background: #d5f4e6;
    border: 2px solid #27ae60;
}

.achievement-icon {
    font-size: 1.5rem;
    width: 40px;
    text-align: center;
}

.achievement-text {
    flex: 1;
    font-weight: bold;
    color: #2c3e50;
}

.achievement-status {
    font-weight: bold;
    color: #7f8c8d;
}

.achievement-item.completed .achievement-status {
    color: #27ae60;
}

/* モチベーションメッセージ */
.pet-motivational {
    text-align: center;
    margin-top: 20px;
}

.motivation-message {
    background: linear-gradient(135deg, #fff3cd, #ffeaa7);
    color: #856404;
    padding: 20px 30px;
    border-radius: 25px;
    font-size: 1.1rem;
    font-weight: bold;
    border: 2px solid #ffc107;
    box-shadow: 0 8px 25px rgba(255, 193, 7, 0.2);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .pet-showcase-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .pet-environment-mini {
        width: 150px;
        height: 150px;
    }
    
    .pet-sprite-mini {
        grid-template-columns: repeat(16, 6px);
        grid-template-rows: repeat(16, 6px);
    }
    
    .pet-sprite-mini .pixel {
        width: 6px;
        height: 6px;
    }
    
    .evolution-timeline {
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .evolution-timeline::before {
        display: none;
    }
    
    .step-icon {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .pet-actions {
        flex-direction: column;
    }
}