:root {
    --bg-color: #F7F7F7;
    --window-bg: #FFFFFF;
    --text-primary: #222222;
    --text-secondary: #717171;
    --border-color: #EBEBEB;
    --hover-shadow: 0 6px 16px rgba(0,0,0,0.12);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}

/* 프로그램 스러운 컨테이너 (고정 크기로 윈도우 창 느낌 부여) */
.window-container {
    width: 95vw;
    max-width: 1400px;
    height: 90vh;
    max-height: 900px;
    background-color: var(--window-bg);
    border-radius: 20px;
    box-shadow: 0 8px 28px rgba(0,0,0,0.08);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.04);
}

.intro-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px;
}

.main-title {
    font-size: 42px;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.sub-title {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 50px;
    font-weight: 400;
}

.menu-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    width: 100%;
    max-width: 500px;
}

/* 버튼 디자인 - 에어비앤비 스타일의 심플하고 깔끔한 테두리와 호버 효과 */
.menu-item {
    background-color: var(--window-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 24px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.menu-item:hover {
    box-shadow: var(--hover-shadow);
    border-color: transparent;
    transform: translateY(-2px);
}

.menu-item:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.icon-wrap {
    font-size: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    background-color: #F7F7F7;
    border-radius: 50%;
}

.text-wrap {
    flex: 1;
}

.text-wrap h2 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.text-wrap p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.arrow {
    font-size: 24px;
    color: var(--text-secondary);
    font-weight: 300;
}