/* リセット */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Hiragino Kaku Gothic Pro', 'ヒラギノ角ゴ Pro', 'Yu Gothic Medium', '游ゴシック Medium', YuGothic, '游ゴシック体', 'Meiryo', sans-serif;
    background-image: url('CNP_RED_banner_BG01.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    min-height: 100vh;
    color: #fff;
}

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

/* ヘッダー */
.header {
    text-align: center;
    padding: 40px 20px;
    margin-bottom: 40px;
    position: relative;
}

/* 言語切り替え */
.language-switcher {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 5px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 25px;
    padding: 5px;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.lang-btn {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    padding: 8px 20px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

.lang-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.lang-btn.active {
    background: rgba(255, 0, 0, 0.6);
    color: #fff;
    box-shadow:
        0 0 10px rgba(255, 0, 0, 0.5),
        inset 0 0 10px rgba(255, 255, 255, 0.1);
}

.main-title {
    font-size: 3rem;
    font-weight: bold;
    text-shadow:
        0 0 10px rgba(255, 0, 0, 0.8),
        0 0 20px rgba(255, 0, 0, 0.6),
        0 0 30px rgba(255, 0, 0, 0.4),
        2px 2px 4px rgba(0, 0, 0, 0.8);
    letter-spacing: 0.05em;
    margin-bottom: 10px;
}

/* ヒーローセクション */
.hero {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 40px;
}

.intro-image {
    width: 100%;
    max-width: 800px;
    padding: 20px;
}

.intro-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 15px;
}

/* コンテンツセクション */
.content {
    padding: 40px;
    margin-bottom: 40px;
}

.description h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    text-align: center;
    text-shadow:
        0 0 10px rgba(255, 0, 0, 0.6),
        2px 2px 4px rgba(0, 0, 0, 0.8);
}

.description p {
    font-size: 1.2rem;
    line-height: 1.8;
    text-align: center;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
    margin-bottom: 30px;
}

.marketplace-link {
    display: inline-block;
    color: #fff;
    text-decoration: none;
    background: rgba(255, 0, 0, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 15px;
    padding: 12px 30px;
    transition: all 0.3s ease;
    font-weight: bold;
    font-size: 1.3rem;
    text-shadow:
        0 0 10px rgba(255, 0, 0, 0.6),
        2px 2px 4px rgba(0, 0, 0, 0.9);
    box-shadow:
        0 0 20px rgba(255, 0, 0, 0.4),
        inset 0 0 20px rgba(255, 255, 255, 0.1);
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow:
            0 0 20px rgba(255, 0, 0, 0.4),
            inset 0 0 20px rgba(255, 255, 255, 0.1);
    }
    50% {
        box-shadow:
            0 0 30px rgba(255, 0, 0, 0.6),
            0 0 40px rgba(255, 0, 0, 0.3),
            inset 0 0 20px rgba(255, 255, 255, 0.1);
    }
}

.marketplace-link:hover {
    background: rgba(255, 0, 0, 0.5);
    border-color: #fff;
    transform: scale(1.05);
    box-shadow:
        0 0 40px rgba(255, 0, 0, 0.8),
        0 0 60px rgba(255, 0, 0, 0.5),
        inset 0 0 30px rgba(255, 255, 255, 0.2);
    text-shadow:
        0 0 15px rgba(255, 255, 255, 0.9),
        0 0 25px rgba(255, 0, 0, 0.8),
        2px 2px 4px rgba(0, 0, 0, 0.9);
}

.cnpred-link {
    display: inline-block;
    color: #fff;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 50px;
    padding: 10px 25px;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 1.1rem;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.8);
    margin-top: 15px;
}

.cnpred-link:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: #fff;
    transform: scale(1.05);
    box-shadow:
        0 0 20px rgba(255, 255, 255, 0.5),
        0 0 30px rgba(255, 255, 255, 0.3);
    text-shadow:
        0 0 10px rgba(255, 255, 255, 0.9),
        1px 1px 3px rgba(0, 0, 0, 0.8);
}

/* ボタンコンテナ */
.button-container {
    text-align: center;
    margin-top: 30px;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* プライマリボタン */
.btn-primary {
    display: inline-block;
    padding: 15px 40px;
    font-size: 1.2rem;
    font-weight: bold;
    color: #fff;
    text-decoration: none;
    border: 2px solid #fff;
    border-radius: 50px;
    transition: all 0.3s ease;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

.btn-primary:hover {
    background: #fff;
    color: #c00;
    transform: scale(1.1);
    box-shadow:
        0 0 20px rgba(255, 255, 255, 0.8),
        0 0 30px rgba(255, 0, 0, 0.5);
}

/* フッター */
.footer {
    text-align: center;
    padding: 20px;
    margin-top: 40px;
}

.footer p {
    font-size: 0.9rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .language-switcher {
        top: 10px;
        right: 10px;
        padding: 3px;
    }

    .lang-btn {
        padding: 6px 12px;
        font-size: 0.8rem;
    }

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

    .description h2 {
        font-size: 1.5rem;
    }

    .description p {
        font-size: 1rem;
    }

    .content {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .language-switcher {
        position: static;
        margin: 0 auto 20px;
        width: fit-content;
    }

    .lang-btn {
        padding: 5px 10px;
        font-size: 0.75rem;
    }

    .main-title {
        font-size: 1.5rem;
    }

    .header {
        padding: 20px 10px;
    }
}