.site-header {
    width: 100%;
    border-bottom: 1px solid #e5e9f2;
    background: rgba(255, 255, 255, .88);
    backdrop-filter: blur(10px);
    color: #182033;
    font-family:
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        "Noto Sans JP",
        sans-serif;
    flex-shrink: 0;
}

.site-header-inner {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 12px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.site-header-brand {
    display: inline-flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    text-decoration: none;
    color: #182033;
}

.site-header-title {
    font-size: 15px;
    line-height: 1.3;
    font-weight: 1000;
    white-space: nowrap;
}

.site-header-subtitle {
    font-size: 12px;
    line-height: 1.3;
    color: #667085;
    font-weight: 700;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.site-header-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 8px;
}

.site-header-nav a {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 7px 11px;
    border-radius: 999px;
    border: 1px solid #e5e9f2;
    background: #fff;
    color: #182033;
    text-decoration: none;
    font-size: 13px;
    line-height: 1;
    font-weight: 900;
}

.site-header-nav a:hover {
    border-color: #bfdbfe;
    background: #eff6ff;
}

.site-header-user {
    color: #667085;
    font-size: 12px;
    font-weight: 800;
}

@media (max-width: 720px) {
    .site-header-inner {
        width: min(100% - 20px, 1180px);
        align-items: flex-start;
        flex-direction: column;
    }

    .site-header-nav {
        justify-content: flex-start;
    }

    .site-header-nav a {
        min-height: 34px;
        padding: 7px 10px;
        font-size: 12px;
    }
}