.header-logo{
    position: fixed;
    top: 40px;
    left: 40px;
    width: 150px;
    z-index: 100;
}
.header-logo img{
    width: 100%;
    height: 100%;
}

menu{
    position: fixed;
    bottom: 40px;
    left: 40px;
    z-index: 100;
    font-size: 1.8rem;
    font-weight: 400;
    letter-spacing: .15rem;
    font-family: "Outfit", sans-serif;
    background-color: #222222b0;
    padding: 20px;
    border-radius: 5px;
}
menu ul{
    display: flex;
}
menu ul li{
    margin: 0 20px;
}
menu ul li a{
    color: #fff;
}

/* ハンバーガーメニューとスマホメニューをPCでは非表示 */
.hamburger-btn,
.smp-menu {
    display: none;
}

@media screen and (max-width: 979px) {
    /* PCメニューを非表示 */
    menu {
        display: none;
    }
    
    /* ハンバーガーメニューとスマホメニューを表示 */
    .hamburger-btn {
        display: flex;
    }
    
    .smp-menu {
        display: block;
    }
    
    .header-logo{
        position: fixed;
        top: 30px;
        left: 30px;
        width: 120px;
        z-index: 100;
    }
    /* ハンバーガーボタン */
    .hamburger-btn {
        position: fixed;
        top: 40px;
        right: 40px;
        width: 50px;
        height: 50px;
        z-index: 1001;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 0;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 6px;
        transition: transform 0.3s ease;
    }

    .hamburger-btn span {
        display: block;
        width: 100%;
        height: 1px;
        background-color: #fff;
        transition: all 0.3s ease;
    }

    /* ボタンがアクティブな時 */
    .hamburger-btn.active span:nth-child(1) {
        transform: translateY(5px) rotate(45deg);
    }

    .hamburger-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger-btn.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    /* スマホメニュー */
    .smp-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: transparent;
        z-index: 1000;
        transition: right 0.4s ease;
    }

    .smp-menu.active {
        right: 0;
    }

    .smp-menu-inner {
        height: 100%;
        display: flex;
        flex-direction: column;
        background-color: rgba(0, 0, 0, 0.35);
        backdrop-filter: blur(10px);
    }

    .smp-menu-nav {
        padding-top: 80px;
    }

    .smp-menu-nav ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .smp-menu-nav ul li {
        margin-bottom: -1px;
        opacity: 0;
        transform: translateX(20px);
        transition: opacity 0.3s ease, transform 0.3s ease;
        border-top: 1px solid transparent;
        border-bottom: 1px solid transparent;
    }

    .smp-menu.active .smp-menu-nav ul li {
        opacity: 1;
        transform: translateX(0);
        border-top-color: #fff;
        border-bottom-color: #fff;
    }

    .smp-menu.active .smp-menu-nav ul li:nth-child(1) {
        transition-delay: 0.1s;
    }

    .smp-menu.active .smp-menu-nav ul li:nth-child(2) {
        transition-delay: 0.15s;
    }

    .smp-menu.active .smp-menu-nav ul li:nth-child(3) {
        transition-delay: 0.2s;
    }

    .smp-menu.active .smp-menu-nav ul li:nth-child(4) {
        transition-delay: 0.25s;
    }

    .smp-menu.active .smp-menu-nav ul li:nth-child(5) {
        transition-delay: 0.3s;
    }

    .smp-menu.active .smp-menu-nav ul li:nth-child(6) {
        transition-delay: 0.35s;
    }

    .smp-menu-nav ul li a {
        color: #fff;
        text-decoration: none;
        font-size: 2.4rem;
        font-weight: 500;
        letter-spacing: .1rem;
        font-family: "Cormorant Garamond", serif;
        transition: color 0.3s ease;
        line-height: 1.5;
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        padding: 20px;
    }
    .smp-menu-nav ul li a span{
        font-size: 1.2rem;
        font-weight: 400;
        letter-spacing: .1rem;
        font-family: serif;
        transition: color 0.3s ease;
        display: block;
    }

    .smp-menu-nav ul li a:hover {
        color: #ccc;
    }
    .smp-menu-nav ul li a .arrow img{
        width: 20px;
        height: 20px;
    }

    /* オーバーレイ - 削除してメニュー背景のみで透過表示 */
    .hamburger-btn {
        top: 20px;
        right: 20px;
    }
}