/* menu.css */

/* --- ハンバーガーメニュー --- */
.hamburger-menu {
    position: fixed;
    top: 20px;
    right: 72px;
    width: 28px;
    height: 36px;
    cursor: pointer;
    z-index: 150;
}
.hamburger-menu span {
    display: block;
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #000;
    transition: all 0.4s;
    border-radius: 4px;
}
.hamburger-menu span:nth-of-type(1) {
    top: 8px;
}
.hamburger-menu span:nth-of-type(2) {
    top: 17px;
}
.hamburger-menu span:nth-of-type(3) {
    bottom: 8px;
}
.hamburger-menu.is-active span {
    background-color: #fff;
}
.hamburger-menu.is-active span:nth-of-type(1) {
    top: 17px;
    transform: rotate(45deg);
}
.hamburger-menu.is-active span:nth-of-type(2) {
    opacity: 0;
}
.hamburger-menu.is-active span:nth-of-type(3) {
    top: 17px;
    transform: rotate(-45deg);
}

/* --- ナビゲーションパネル --- */
.nav-panel {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 140;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s, visibility 0.4s;
}
.nav-panel.is-active {
    opacity: 1;
    visibility: visible;
}
.nav-panel ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: center;
    padding: 20px 40px;
    border-radius: 8px;
}
.nav-panel li {
    margin: 40px 0;
}
.nav-panel li sb{
    font-size: 60%;
}
.nav-panel a {
    color: #fff;
    text-decoration: none;
    font-size: 20px;
    font-family: Klee One;
    letter-spacing: 0.1em;
    transition: color 0.3s;
}
.nav-panel a:hover {
    color: #ccc;
}

/* --- SP表示 (768px以下) --- */
@media (max-width: 768px) {
    .hamburger-menu {
        right: 24px;
    }
    .nav-panel ul {
        padding: 20px 20px;
    }
}