/* 페이지 네비게이션 전체 */
.page-navigation {
    width: 100%;
    background-color: #ffffff;
    border-bottom: 1px solid #ddd;
}

/* 내부 버튼 영역 */
.page-navigation ul {
    display: flex;
    justify-content: flex-start;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    list-style: none;
}

/* 버튼 li */
.page-navigation li {
    margin: 0;
}

/* 페이지 네비게이션 전체 */
.page-navigation {
    width: 100%;
    background-color: #ffffff;
    border-bottom: 1px solid #ddd;
}

/* 내부 버튼 영역 */
.page-navigation ul {
    display: flex;
    justify-content: flex-start;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    list-style: none;
}

/* 버튼 li */
.page-navigation li {
    margin: 0;
}

/* 버튼 디자인 */
.page-navigation a {
    display: block;
    padding: 20px 40px;
    text-decoration: none;
    font-weight: 700;
    font-size: 18px;
    color: #111;
    background-color: #ffffff;
    border-right: 1px solid #ffffff;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.page-navigation li:last-child a {
    border-right: none;
}

/* hover 효과 */
.page-navigation a:hover {
    background-color: #999999;
    color: #fff;
}

/* 활성 페이지 */
.page-navigation a.active {
    background-color: #555555;
    color: #fff;
}

/* CEO 인사말 페이지 전용 스타일 */
.ceo-message {
    background-color: #f5f5f7;
    padding: 40px 60px;
    max-width: 900px;
    margin: 60px auto 60px auto;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    font-family: 'Noto Sans KR', sans-serif;
    color: #111;
    line-height: 1.6;
}

.ceo-message .sub-title {
    color: #00b14f;
    /* 초록색 */
    font-weight: 600;
    margin-bottom: 10px;
    font-size: 14px;
    text-transform: uppercase;
}

.ceo-message h1 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 24px;
}

.ceo-message h2 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 30px;
}

.ceo-message p {
    font-size: 16px;
    margin-bottom: 20px;
    word-break: keep-all;
}

.ceo-message .ceo-signature {
    text-align: right;
    font-size: 16px;
    font-weight: 400;
    margin-top: 40px;
}

.ceo-message .ceo-signature span {
    font-family: 'Nanum Brush Script', cursive;
    font-size: 28px;
    font-weight: 700;
    margin-left: 10px;
    vertical-align: middle;
}

/* 회사연혁 스타일 */
.company-history {
    background: #f9f9fa;
    padding: 50px 40px;
    max-width: 900px;
    margin: 0 auto 80px auto;
    border-radius: 10px;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.05);
}

.company-history h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 24px;
    color: #111;
}

.company-history ul {
    list-style: none;
    padding-left: 0;
    color: #555;
}

.company-history li {
    border-left: 3px solid rgba(68, 68, 68, 0.4);
    /* #444의 40% 투명도 */
    padding-left: 12px;
    margin-bottom: 8px;
}

/* 스크롤바 폭 변화 방지 */
html {
    overflow-y: scroll;
}