/* 기본 헤더 설정 */
.header {
    width: 100%;
    height: 80px;
    background-color: #D32F2F; /* 주황색 배경 */
    position: fixed;
    top: 0; left: 0;
    z-index: 1000;
}

.header_inner {
    max-width: 1400px;
    height: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between; /* 양 끝 정렬 */
    align-items: center;
    padding: 0 20px;
}

.header_logo img { height: 40px; }

/* PC 메뉴 스타일 */
.header_menu {
    display: flex;
    gap: 30px; /* 메뉴 간 간격 */
}

.header_menu a {
    color: #fff;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    white-space: nowrap;
}

.header_right { display: flex; align-items: center; }
.pc_tel { color: #fff; text-decoration: none; font-weight: bold; font-size: 18px; display: flex; align-items: center; gap: 5px; }
.pc_tel img { height: 20px; }

/* 햄버거 버튼 (기본 숨김) */
.hamburger {
    display: none;
    cursor: pointer;
    width: 25px;
    flex-direction: column;
    gap: 5px;
    margin-left: 15px;
}
.hamburger span { width: 100%; height: 3px; background: #fff; }

/* 모바일 사이드바 */
.mobile_sidebar {
    position: fixed;
    top: 0; right: -280px; /* 오른쪽 숨김 */
    width: 280px; height: 100%;
    background: #D32F2F;
    z-index: 2000;
    transition: 0.3s;
    padding-top: 60px;

}
.mobile_sidebar.active { right: 0; }
.sidebar_close { position: absolute; top: 20px; right: 20px; font-size: 24px; cursor: pointer; color: #fff; }
.sidebar_menu a { display: block; padding: 15px 25px; border-bottom: 1px solid #eee; text-decoration: none; color: #fff; }

.sidebar_overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.5); display: none; z-index: 1500;
}
.sidebar_overlay.active { display: block; }

/* --- 반응형 핵심 --- */
@media (max-width: 1200px) {
    .header_menu { display: none; } /* PC 메뉴 숨김 */
    .hamburger { display: flex; }  /* 햄버거 등장 */
}