.child-container {
    width: min(100% - 32px, 1280px);
    margin: 0 auto;
}

.child-top-notice {
    font-size: 13px;
    line-height: 1.5;
}

.child-top-notice-inner {
    padding: 10px 0;
    text-align: center;
}

.child-site-header {
    position: sticky;
    top: 0;
    z-index: 999;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.child-header-main {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 18px;
    min-height: 72px;
}

.child-site-branding {
    display: flex;
    align-items: center;
}

.child-site-branding .custom-logo {
    max-height: 46px;
    width: auto;
    display: block;
}

.site-title-link {
    text-decoration: none;
}

.site-title {
    font-size: 22px;
    font-weight: 800;
    line-height: 1.2;
}

.site-description {
    margin: 4px 0 0;
    font-size: 12px;
    opacity: .75;
}

.child-main-navigation {
    display: flex;
    justify-content: center;
}

.child-main-navigation ul {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    margin: 0;
    padding: 0;
    list-style: none;
    flex-wrap: wrap;
}

.child-main-navigation li {
    margin: 0;
    padding: 0;
}

.child-main-navigation a {
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    line-height: 1.3;
    padding: 10px 2px;
    display: inline-flex;
    align-items: center;
}

.child-header-right {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.child-search-toggle,
.child-menu-toggle,
.child-mobile-menu-close,
.child-search-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    min-width: 42px;
    border: 0;
    border-radius: 12px;
    cursor: pointer;
}

.child-search-toggle,
.child-menu-toggle,
.child-mobile-menu-close {
    padding: 0 12px;
}

.child-search-toggle i,
.child-mobile-menu-close i {
    font-size: 16px;
    line-height: 1;
}

.child-menu-toggle {
    flex-direction: column;
    gap: 4px;
}

.child-menu-toggle-bar {
    width: 18px;
    height: 2px;
    display: block;
    border-radius: 99px;
}

.child-header-search-panel {
    border-top: 1px solid rgba(255,255,255,.06);
}

.child-header-search-inner {
    padding: 16px 0;
}

.child-search-form {
    display: flex;
    gap: 10px;
}

.child-search-field {
    flex: 1;
    min-height: 46px;
    border: 0;
    border-radius: 12px;
    padding: 0 14px;
    outline: none;
}

.child-search-submit {
    min-width: 84px;
    padding: 0 16px;
    font-weight: 700;
}

.child-mobile-menu-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: min(88vw, 360px);
    height: 100vh;
    z-index: 1002;
    overflow-y: auto;
    transform: translateX(0);
}

.child-mobile-menu-inner {
    min-height: 100%;
    padding: 20px 18px 24px;
}

.child-mobile-menu-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 18px;
}

.child-mobile-menu-title {
    font-size: 18px;
    font-weight: 800;
}

.child-mobile-navigation ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.child-mobile-navigation li + li {
    margin-top: 8px;
}

.child-mobile-navigation a {
    display: block;
    padding: 12px 10px;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 700;
    line-height: 1.4;
}

.child-mobile-search-box {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid rgba(255,255,255,.06);
}

.child-mobile-menu-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1001;
}

body.child-menu-open {
    overflow: hidden;
}

@media (max-width: 1024px) {
    .child-header-center {
        display: none;
    }
}

@media (min-width: 1025px) {
    .child-menu-toggle {
        display: none;
    }
}

@media (max-width: 640px) {
    .child-container {
        width: min(100% - 24px, 1280px);
    }

    .child-header-main {
        min-height: 64px;
        gap: 12px;
    }

    .child-site-branding .custom-logo {
        max-height: 38px;
    }

    .site-title {
        font-size: 18px;
    }

    .child-search-form {
        flex-direction: column;
    }

    .child-search-submit {
        width: 100%;
    }

    .child-mobile-menu-panel {
        width: min(92vw, 360px);
    }
}