:root {
    --base-brown: #432517;
    --base-beige: #ECDBBF;
    --accent-orange: #ff9800;
    --accent-blue: #4facfe;
    --accent-pink: #e91e63;
    --light-bg: #fdfbf7;
}

@font-face {
    font-family: 'SetoFont';
    src: url('/font/setofont.ttf') format('truetype');
    font-display: swap;
}

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

body {
    font-family: 'SetoFont', "Helvetica Neue", Arial, sans-serif;
    color: var(--base-brown);
    background-color: var(--base-beige);
    line-height: 1.8;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { text-decoration: none; color: inherit; transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1); }

/* ヘッダー */
header {
    background: rgba(67, 37, 23, 0.95);
    color: var(--base-beige);
    padding: 15px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
    backdrop-filter: blur(8px);
    font-family: 'SetoFont', sans-serif;
}
.header-left { display: flex; align-items: center; gap: 15px; }
.logo-img { height: 35px; display: block; }
.nav-links { display: flex; align-items: center; }
.nav-links a { margin-left: 20px; font-weight: bold; }
.nav-links a:hover { color: var(--accent-orange); }

/* フッター */
footer {
    margin-top: auto;
    background: var(--base-brown);
    color: var(--base-beige);
    text-align: center;
    padding: 50px 20px;
    border-top: 5px solid var(--accent-orange);
    font-family: 'SetoFont', sans-serif;
}
.footer-links { display: flex; justify-content: center; gap: 30px; flex-wrap: wrap; margin-bottom: 25px; }
.footer-links a:hover { color: var(--accent-orange); }
.footer-email { font-weight: bold; color: var(--accent-orange); font-size: 1.1rem; margin-bottom: 10px; }

/* スマホ用メニュー */
.hamburger { display: none; flex-direction: column; gap: 6px; cursor: pointer; z-index: 1002; }
.hamburger span { display: block; width: 30px; height: 3px; background-color: var(--base-beige); transition: all 0.3s ease; border-radius: 2px; }
.hamburger.active span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

.mobile-menu {
    position: fixed; top: 0; left: -100%; width: 260px; height: 100vh;
    background: var(--base-brown); z-index: 1001; display: flex; flex-direction: column;
    padding-top: 80px; transition: left 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 5px 0 20px rgba(0,0,0,0.5);
    font-family: 'SetoFont', sans-serif;
}
.mobile-menu.active { left: 0; }
.mobile-menu a { color: var(--base-beige); padding: 18px 25px; font-size: 1.2rem; font-weight: bold; border-bottom: 1px solid rgba(236, 219, 191, 0.1); }

.menu-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.7); z-index: 1000;
    opacity: 0; visibility: hidden; transition: all 0.4s;
}
.menu-overlay.active { opacity: 1; visibility: visible; }

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hamburger { display: flex; }
}