/* header.css (ヘッダー設定) */

.l-header {
    position: fixed;
    top: 0;
    width: 100%;
    height: var(--header-height-pc);
    z-index: 1000;
    transition: background-color 1s ease, box-shadow 1s ease, height 0.5s ease;
    display: flex;
    align-items: center;
    background-color: transparent;
}

.l-header.is-scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    height: var(--header-height-sp);
}

.l-header.is-scrolled .l-header__logo {
    width: var(--header-logo-width-sp);
}

.l-header.is-scrolled .l-header__menu-icon {
    background-color: var(--color-primary);
}

.l-header.is-scrolled .l-header__menu-icon::before,
.l-header.is-scrolled .l-header__menu-icon::after {
    background-color: #E09B6B;
}

.l-header__inner {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.l-header__logo {
    width: var(--header-logo-width);
    transition: 0.3s;
    z-index: 1100;
}

.l-header__logo img {
    width: 100%;
    height: auto;
    display: block;
}

.l-header__nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-l);
    list-style: none;
    padding: 0;
    margin: 0;
}

.l-header__nav-link {
    font-size: 16px;
    font-weight: 500;
    line-height: 2.0;
    color: #444444;
    letter-spacing: 0.05em;
    text-decoration: none;
}

.l-header__nav-link:hover {
    color: #E09B6B;
}

.l-header__menu-trigger {
    display: none;
    width: 30px;
    height: 30px;
    position: relative;
    z-index: 1100;
}

@media (max-width: 767px) {
    .l-header__menu-trigger {
        display: block;
    }
}

.l-header__menu-icon {
    display: block;
    width: 100%;
    height: 2px;
    background-color: #444444;
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    transition: 0.3s;
}

.l-header__menu-icon::before,
.l-header__menu-icon::after {
    content: "";
    display: block;
    width: 100%;
    height: 2px;
    background-color: #2B2B2B;
    position: absolute;
    left: 0;
    transition: 0.3s;
}

.l-header__menu-icon::before {
    top: -8px;
}

.l-header__menu-icon::after {
    bottom: -8px;
}

/* Active State (X mark) - メニューを開いた時の白いバツ印 */
.l-header__menu-trigger.is-active .l-header__menu-icon {
    background-color: transparent !important;
}

.l-header__menu-trigger.is-active .l-header__menu-icon::before {
    top: 0;
    transform: rotate(45deg);
    background-color: #FFFFFF !important;
}

.l-header__menu-trigger.is-active .l-header__menu-icon::after {
    bottom: 0;
    transform: rotate(-45deg);
    background-color: #FFFFFF !important;
}

@media (max-width: 767px) {
    .l-header__nav {
        display: none;
    }

    .l-header:not(.is-scrolled) .l-header__logo {
        width: var(--header-logo-width-sp);
    }
}

.p-mobile-menu {
    position: fixed;
    inset: 0;
    height: 100vh;
    /* Force full height to fix scroll issue */
    background-color: var(--color-bg-dark);
    z-index: 1050;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
}

.p-mobile-menu.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.p-mobile-menu__list {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-item-pc);
    list-style: none;
    padding: 0;
    margin: 0;
}

.p-mobile-menu__link {
    font-size: 20px;
    font-weight: 700;
    color: #FFFFFF;
    letter-spacing: 0.1em;
    text-decoration: none;
}

/* モバイルメニューの閉じるボタン（白いバツ印） */
.p-mobile-menu__close {
    position: absolute;
    top: 30px;
    right: 30px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1100;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.p-mobile-menu__close-icon {
    position: relative;
    width: 30px;
    height: 30px;
    display: block;
}

.p-mobile-menu__close-icon::before,
.p-mobile-menu__close-icon::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #FFFFFF;
    transition: 0.3s;
}

.p-mobile-menu__close-icon::before {
    transform: translateY(-50%) rotate(45deg);
}

.p-mobile-menu__close-icon::after {
    transform: translateY(-50%) rotate(-45deg);
}

.p-mobile-menu__close:hover .p-mobile-menu__close-icon::before,
.p-mobile-menu__close:hover .p-mobile-menu__close-icon::after {
    background-color: #E09B6B;
}