:root {
    --site-header-solid-height: 60px;
}

/* 사이트 공통 헤더 */
.site-header {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    width: 100%;
    z-index: 1020;
    background-color: transparent;
    box-shadow: none;
    transition:
        background-color 0.3s cubic-bezier(0.3, 0.1, 0.58, 1),
        box-shadow 0.3s cubic-bezier(0.3, 0.1, 0.58, 1);
}

.site-header.is-scrolled {
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

.site-header.is-menu-open {
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

/* Hero 위 투명 Header */
.site-header:not(.is-scrolled):not(.is-menu-open) .site-logo__initial {
    background-color: rgb(255, 255, 255);
    color: rgb(17, 17, 17);
}

.site-header:not(.is-scrolled):not(.is-menu-open) .site-logo__text,
.site-header:not(.is-scrolled):not(.is-menu-open) .navbar-nav .nav-link,
.site-header:not(.is-scrolled):not(.is-menu-open) .language-dropdown__toggle,
.site-header:not(.is-scrolled):not(.is-menu-open) .navbar-toggler {
    color: rgb(255, 255, 255);
}

.site-header.is-scrolled .site-logo__initial,
.site-header.is-menu-open .site-logo__initial {
    background-color: rgba(0, 0, 0, 0.93);
    color: rgb(255, 255, 255);
}

.site-header.is-scrolled .site-logo__text,
.site-header.is-scrolled .navbar-nav .nav-link,
.site-header.is-scrolled .language-dropdown__toggle,
.site-header.is-scrolled .navbar-toggler,
.site-header.is-menu-open .site-logo__text,
.site-header.is-menu-open .navbar-nav .nav-link,
.site-header.is-menu-open .language-dropdown__toggle,
.site-header.is-menu-open .navbar-toggler {
    color: rgb(17, 17, 17);
}

.navbar-toggler {
    display: inline-flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 0;
    border-radius: 4px;
    background-color: transparent;
}

.navbar-toggler:focus,
.navbar-toggler:focus:not(:focus-visible) {
    outline: none;
    box-shadow: none;
}

.navbar-toggler:focus-visible {
    outline: 2px solid rgb(13, 110, 253);
    outline-offset: 2px;
    box-shadow: none;
}

.navbar-toggler-icon {
    position: relative;
    width: 18px;
    height: 2px;
    background-color: currentColor;
    background-image: none;
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
    content: "";
    position: absolute;
    left: 0;
    width: 18px;
    height: 2px;
    background-color: currentColor;
}

.navbar-toggler-icon::before {
    top: -6px;
}

.navbar-toggler-icon::after {
    top: 6px;
}

.site-logo {
    font-family:
        var(--font-logo),
        var(--font-latin),
        var(--font-cjk-primary),
        var(--font-cjk-secondary),
        sans-serif;
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 4px;
    line-height: 20px;
    text-transform: uppercase;
}

.site-logo__initial {
    margin-right: 2px;
    padding: 5px 7px;
    background: rgba(0, 0, 0, 0.93);
    color: rgb(255, 255, 255);
    letter-spacing: 0;
}

.site-logo__text {
    color: rgb(0, 0, 0);
}

.site-logo__initial,
.site-logo__text,
.navbar-nav .nav-link,
.language-dropdown__toggle,
.navbar-toggler {
    transition:
        color 0.3s cubic-bezier(0.3, 0.1, 0.58, 1),
        background-color 0.3s cubic-bezier(0.3, 0.1, 0.58, 1);
}

.navbar-nav .nav-link {
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.navbar-nav > .nav-item > .nav-link.active:not(.language-dropdown__toggle) {
    font-weight: 700;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.35em;
}

.navbar-nav.menu-lang-ja > .nav-item > .nav-link:not(.language-dropdown__toggle) {
    font-family:
        "Kosugi Maru",
        "Noto Sans JP",
        "Noto Sans KR",
        sans-serif;
}

.nav-link--locked {
    column-gap: 0.35rem;
    white-space: nowrap;
}

.nav-lock-icon {
    display: block;
    width: 1em;
    height: 1em;
    flex: 0 0 1em;
    background-color: currentColor;
    -webkit-mask: url("/assets/images/icons/lock.svg") center / contain no-repeat;
    mask: url("/assets/images/icons/lock.svg") center / contain no-repeat;
    transform: translateY(-1px);
}

.language-dropdown {
    margin-left: 0.25rem;
}

.language-dropdown__toggle {
    display: flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 0;
    border-radius: 0.375rem;
    background-color: transparent;
}


.language-dropdown__toggle:focus {
    outline: 0;
    box-shadow: none;
}

.language-dropdown__toggle:focus-visible {
    outline: 2px solid rgb(13, 110, 253);
    outline-offset: 2px;
    box-shadow: none;
}

.language-dropdown__icon {
    display: block;
    width: 20px;
    height: 20px;
    background-color: currentColor;
    -webkit-mask: url("/assets/images/icons/globe.svg") center / contain no-repeat;
    mask: url("/assets/images/icons/globe.svg") center / contain no-repeat;
    transform: translateY(-1px);
}

.language-dropdown__menu {
    min-width: 10.5rem;
    padding: 0.375rem;
    border-color: rgba(0, 0, 0, 0.12);
    border-radius: 0.5rem;
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: 0 0.5rem 1.25rem rgba(0, 0, 0, 0.12);
}

.language-dropdown__item {
    display: grid;
    min-height: 44px;
    grid-template-columns: 22px minmax(0, 1fr) 1rem;
    align-items: center;
    column-gap: 0.625rem;
    padding: 0.5rem 0.625rem;
    border-radius: 0.375rem;
    color: rgb(33, 37, 41);
    font-size: 13px;
}

.language-dropdown__item:hover,
.language-dropdown__item:focus {
    color: rgb(17, 17, 17);
    background-color: rgba(245, 245, 245, 0.9);
}

.language-dropdown__item.active,
.language-dropdown__item:active {
    color: rgb(17, 17, 17);
    background-color: rgba(234, 234, 234, 0.1);
    font-weight: 500;
}

.language-dropdown__item[lang="ko"] {
    font-family:
        var(--font-latin),
        "Noto Sans KR",
        "Noto Sans JP",
        system-ui,
        sans-serif;
}

.language-dropdown__item[lang="ja"] {
    font-family:
        var(--font-latin),
        "Kosugi Maru",
        "Noto Sans JP",
        "Noto Sans KR",
        system-ui,
        sans-serif;
}

.language-dropdown__flag {
    display: block;
    width: 22px;
    height: 16px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    object-fit: cover;
}

.language-dropdown__label {
    min-width: 0;
}

.language-dropdown__check {
    text-align: right;
}

@media (min-width: 1200px) {
    .site-header {
        position: fixed;
        top: 0;
        right: 0;
        left: 0;
        width: 100%;
    }

    .site-header .navbar {
        padding-top: 15px;
        padding-bottom: 15px;
        transition:
            padding-top 0.3s cubic-bezier(0.3, 0.1, 0.58, 1),
            padding-bottom 0.3s cubic-bezier(0.3, 0.1, 0.58, 1);
    }

    .site-header .navbar > .container {
        min-height: 50px;
    }

    .site-header.is-scrolled .navbar {
        padding-top: 5px;
        padding-bottom: 5px;
    }

    .navbar-nav > .nav-item > .nav-link:not(.language-dropdown__toggle) {
        display: flex;
        min-height: 44px;
        align-items: center;
        padding-right: 9px;
        padding-left: 9px;
        padding-top: 0;
        padding-bottom: 0;
        font-size: 13px;
        font-weight: 500;
        letter-spacing: 1.2px;
    }


    .language-dropdown__toggle:hover,
    .language-dropdown__toggle:focus-visible,
    .language-dropdown__toggle[aria-expanded="true"] {
        /*background-color: rgba(0, 0, 0, 0.15);*/
        background-color: rgba(255, 255, 255, 0.09);
    }

    .language-dropdown__toggle:focus-visible {
        outline: none;
        box-shadow: none;
    }
}

@media (hover: hover) {
    .navbar-toggler:hover {
        color: rgb(17, 17, 17);
    }
}

@media (max-width: 1199.98px) {
    .site-header .navbar {
        padding-block: 8px;
    }

    .navbar-nav {
        gap: 0;
        row-gap: 0;
    }

    .navbar-nav > .nav-item {
        margin: 0;
    }

    .navbar-nav > .nav-item > .nav-link:not(.language-dropdown__toggle) {
        display: flex;
        min-height: 40px;
        align-items: center;
        margin: 0;
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
    }

    .mobile-language {
        margin-top: 0.5rem;
        padding-top: 0.75rem;
        border-top: 1px solid rgba(0, 0, 0, 0.08);
    }

    .mobile-language__title {
        display: flex;
        min-height: 40px;
        align-items: center;
        column-gap: 0.5rem;
        color: rgb(33, 37, 41);
        font-size: 14px;
        font-weight: 500;
    }

    .mobile-language__title .language-dropdown__icon {
        width: 18px;
        height: 18px;
    }

    .mobile-language__links {
        display: flex;
        align-items: center;
        column-gap: 1rem;
        padding: 0.25rem 0 0.75rem 1.625rem;
    }

    .mobile-language__link {
        display: inline-flex;
        align-items: center;
        column-gap: 0.5rem;
        color: rgb(33, 37, 41);
        font-size: 14px;
        text-decoration: none;
    }

    .mobile-language__link:hover,
    .mobile-language__link:focus {
        color: rgb(17, 17, 17);
    }

    .mobile-language__link.active {
        font-weight: 400;
        text-decoration: none;
    }

    .mobile-language__link:focus-visible {
        outline: 2px solid rgb(13, 110, 253);
        outline-offset: 3px;
    }

    .mobile-language__link[lang="ko"] {
        font-family:
            var(--font-latin),
            "Noto Sans KR",
            "Noto Sans JP",
            sans-serif;
    }

    .mobile-language__link[lang="ja"] {
        font-family:
            "Kosugi Maru",
            "Noto Sans JP",
            "Noto Sans KR",
            sans-serif;
    }

    .mobile-language__flag {
    display: block;
    width: 22px;
    height: 16px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    object-fit: cover;
    }
}

@media (prefers-reduced-motion: reduce) {
    .site-header,
    .site-header .navbar {
        transition-duration: 0.01ms;
    }
}