/* ヘッダースタイル */
.header {
    background: linear-gradient(to right, #1a1a1a, #2a2a2a);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-area h1 {
    color: #FFC107;
    font-size: 1.5rem;
    margin: 0;
}

.nav-menu ul {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    color: #fff;
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #FFC107;
}

/* フッタースタイル */
.footer {
    background: linear-gradient(to right, #1a1a1a, #2a2a2a);
    padding: 3rem 0 1rem;
    color: #fff;
    margin-top: 4rem;
}

.footer .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
}

.footer-logo h2 {
    color: #FFC107;
    margin: 0;
    font-size: 1.5rem;
}

.footer-tagline {
    text-align: center;
    font-style: italic;
    color: rgba(255,255,255,0.8);
}

.footer-links {
    display: flex;
    justify-content: flex-end;
    gap: 2rem;
}

.footer-links a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #FFC107;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.7);
}

/* ロゴスタイル */
.logo {
    height: 50px;
    width: 50px;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: rotate(45deg);
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .header .container {
        padding: 0 1rem;
    }

    .nav-menu ul {
        gap: 1rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-logo {
        align-items: center;
    }

    .footer-links {
        justify-content: center;
        flex-wrap: wrap;
    }

    .logo-area h1 {
        font-size: 1.2rem;
    }
}