/* ===== HEADER ===== */
.site-header {
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(6px);
    z-index: 100;
    transition: .4s;
}

.header-inner {
    max-width: 1400px;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 5vw;
}

.header-logo img {
    height: 52px;
}

.site-name {
    font-size: 21px;
    font-weight: bold;
    color: #fff;
    white-space: nowrap;
}
@media (max-width: 768px) {
    .site-name {
        font-size: 18px;
    }
}

.global-nav ul {
    display: flex;
    gap: 40px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.global-nav a {
    color: #fff;
    font-weight: 500;
    letter-spacing: .06em;
    transition: .3s;
}

.global-nav a:hover {
    color: #c9a35b;
}

/* ===== SPメニュー ===== */
.nav-toggle {
    width: 32px;
    height: 22px;
    display: none;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
}

.nav-toggle span {
    height: 3px;
    background: #fff;
    border-radius: 3px;
    transition: .35s;
}

@media (max-width: 1500px) {
    .global-nav ul {
        position: fixed;
        top: 0;
        right: -100%;
        flex-direction: column;
        height: 100vh;
        width: 65%;
        background: rgba(0, 0, 0, 0.95);
        padding-top: 80px;
        text-align: center;
        gap: 32px;
        transition: .45s;
    }

    .global-nav ul.active {
        right: 0;
    }

    .nav-toggle {
        display: flex;
    }
}

/* ハンバーガーアイコンのアニメ */
.nav-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}
.nav-toggle.open span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}