/* Header CSS - Navigation and header styles */

/* Header Styles */
.site-header {
    background: linear-gradient(90deg, #a6a6a6, #ffffff);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-id-189 .site-header {
    background: #1b82d0;
}

.page-id-187 .site-header {
    background: #be7d4a;
}

.site-branding {
    display: flex;
    align-items: center;
    gap: 1rem; /* 画像とテキストの間隔 */
}

.site-logo {
    width: 50px;     /* 任意のサイズに調整 */
    height: auto;
}

.site-title {
    line-height: 1;
}

.site-title a {
    color: #333;
    text-decoration: none;
    font-size: clamp(12px, 1.7vw, 24px);
    font-weight: bold;
}

.main-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1rem;
}

.nav-menu a {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #007cba;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: #333;
    margin: 5px 0;
    transition: 0.3s;
}

/* Dropdown Menu Styles */
.main-navigation .menu-item-has-children {
    position: relative;
}

.main-navigation .sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: linear-gradient(90deg, #a6a6a6, #ffffff);
    min-width: 200px;
    z-index: 1001;
    border-radius: 0 0 5px 5px;
}

@media (min-width: 769px) {
    .main-navigation .menu-item-has-children:hover > .sub-menu {
        display: block;
    }
}

.main-navigation .sub-menu li {
    margin: 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.main-navigation .sub-menu a {
    display: block;
    padding: 1rem;
    border-bottom: none;
}

.main-navigation .sub-menu a:hover {
    background: rgba(255,255,255,0.1);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .hamburger {
        display: block;
        position: absolute;
        right: 1rem;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        padding: 1rem;
    }

    .main-navigation.active .nav-menu {
        display: flex;
    }

    .nav-menu li {
        margin: 0;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .nav-menu li a {
        display: block;
        padding: 1rem;
        border-bottom: none;
    }

    .nav-menu li:last-child a {
        border-bottom: none;
    }

    .main-navigation .sub-menu {
        position: static;
        background: rgba(255,255,255,0.1);
        box-shadow: none;
        display: none;
    }

    .main-navigation .menu-item-has-children > a {
        position: relative;
    }

    .main-navigation .menu-item-has-children > a:after {
        content: '▼';
        position: absolute;
        right: 1rem;
        top: 50%;
        transform: translateY(-50%);
        transition: transform 0.3s;
    }

    .main-navigation .menu-item-has-children.open > a:after {
        transform: translateY(-50%) rotate(180deg);
    }

    .main-navigation .menu-item-has-children.open > .sub-menu {
        display: block;
    }

    .main-navigation .menu-item-has-children:click > .sub-menu {
        display: none;
    }

    .main-navigation .sub-menu .menu-item-has-children:hover > .sub-menu {
        display: none;
    }
}