/* ==========================================================================
   ホ�Eムペ�Eジ専用スタイル - Mikan.inc Game Website
   ========================================================================== */

/* ==========================================================================
   ヒ�Eローセクション
   ========================================================================== */
.hero {
    min-height: 100vh;
    background: 
        linear-gradient(135deg, rgba(29, 38, 46, 0.7) 0%, rgba(42, 57, 66, 0.7) 50%, rgba(29, 38, 46, 0.7) 100%),
        url('../photo/background/twin_castles.png') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 20%, rgba(253, 253, 253, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(253, 253, 253, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    z-index: 2;
    padding: 0 3rem;
    max-width: 800px;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 2rem;
    line-height: 1.1;
    background: linear-gradient(45deg, #FDFDFD, #8F9EA3, #FDFDFD);
    background-size: 200% 200%;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientMove 3s ease-in-out infinite;
}

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

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    color: #8F9EA3;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.hero-media {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
}

.game-screenshot {
    max-width: 500px;
    width: 100%;
}

.placeholder-image {
    background: linear-gradient(135deg, #3F4F5F, #2A3A44);
    border: 2px solid #FDFDFD;
    border-radius: 12px;
    padding: 100px 20px;
    text-align: center;
    color: #FDFDFD;
    font-size: 1.2rem;
    font-weight: 600;
    box-shadow: 0 10px 30px rgba(253, 253, 253, 0.2);
}

/* ==========================================================================
   ゲーム概要セクション
   ========================================================================== */
#overview {
    background: #1D262E;
    z-index: auto;
    position: relative;
}

.overview-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.overview-content p {
    font-size: 1.4rem;
    color: #FDFDFD;
    line-height: 1.8;
}

/* ==========================================================================
   主要機�EハイライチE
   ========================================================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(253, 253, 253, 0.2);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.feature-item:hover {
    transform: translateY(-10px);
    border-color: rgba(253, 253, 253, 0.5);
    box-shadow: 0 20px 40px rgba(253, 253, 253, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
    filter: drop-shadow(0 0 10px rgba(253, 253, 253, 0.3));
}

.feature-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #FDFDFD;
}

.feature-item p {
    color: #8F9EA3;
    font-size: 1rem;
    line-height: 1.6;
}

/* ==========================================================================
   最新ニュースセクション
   ========================================================================== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.news-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(253, 253, 253, 0.2);
    border-radius: 10px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.news-item:hover {
    transform: translateY(-3px);
    border-color: rgba(253, 253, 253, 0.4);
    box-shadow: 0 8px 25px rgba(253, 253, 253, 0.15);
}

.news-item time {
    color: #FDFDFD;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.news-item h3 {
    font-size: 1.3rem;
    margin: 1rem 0;
    color: #fff;
}

.news-item p {
    color: #8F9EA3;
    font-size: 1rem;
    margin: 0;
}

/* ニュースがない場合のメッセージ */
.no-news-message {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem 2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(253, 253, 253, 0.1);
    border-radius: 10px;
    margin-top: 1rem;
}

.no-news-message p {
    color: #8F9EA3;
    font-size: 1.1rem;
    margin: 0.5rem 0;
}

.no-news-message p:first-child {
    color: #FDFDFD;
    font-weight: 600;
    font-size: 1.2rem;
}

/* ==========================================================================
   コミュニティセクション
   ========================================================================== */
#community {
    text-align: center;
}

#community p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.social-icon {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(253, 253, 253, 0.3);
    border-radius: 10px;
    padding: 1rem 2rem;
    text-decoration: none;
    color: #8F9EA3;
    font-weight: 600;
    transition: all 0.3s ease;
    min-width: 150px;
    justify-content: center;
}

.social-icon:hover {
    background: rgba(253, 253, 253, 0.1);
    border-color: #FDFDFD;
    color: #FDFDFD;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(253, 253, 253, 0.2);
}

.social-icon span:first-child {
    font-size: 1.5rem;
}

/* ==========================================================================
   ダウンロードCTAセクション
   ========================================================================== */
.cta-section {
    background: linear-gradient(135deg, #2A3A44 0%, #1D262E 100%);
    text-align: center;
    padding: 100px 0;
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 50% 50%, rgba(253, 253, 253, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.cta-section h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    text-shadow: 0 0 20px rgba(253, 253, 253, 0.4);
}

.cta-section p {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================================================
   レスポンシブデザイン
   ========================================================================== */

/* タブレチE�� */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 100px 0 50px;
    }
    
    .hero-content {
        max-width: 100%;
        margin-bottom: 3rem;
    }
    
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .social-links {
        gap: 1rem;
    }
    
    .social-icon {
        min-width: 130px;
        padding: 0.8rem 1.5rem;
    }
    
    .cta-section h2 {
        font-size: 2.5rem;
    }
}

/* スマ�Eトフォン */
@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2.2rem;
        line-height: 1.1;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn-primary,
    .hero-buttons .btn-secondary {
        width: 200px;
    }
    
    .feature-item {
        padding: 2rem 1.5rem;
    }
    
    .news-item {
        padding: 1.5rem;
    }
    
    .social-links {
        flex-direction: column;
        align-items: center;
    }
    
    .social-icon {
        width: 200px;
    }
    
    .cta-section h2 {
        font-size: 2rem;
    }
    
    .cta-section p {
        font-size: 1.1rem;
    }
}