@charset "UTF-8";

/* =========================================
   Base Setup (Option D: Clean & Natural)
   ========================================= */
:root {
    --bg-color: #fdfcf8; /* 和紙のような生成り色 */
    --text-main: #333333; /* 墨色 */
    --text-sub: #666666;
    --accent: #d9ad5b; /* 落ち着いた山吹色 */
    --accent-blue: #2c4f7c; /* 藍色 */
    --font-serif: 'Shippori Mincho', serif;
    --font-sans: 'Zen Kaku Gothic New', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.8;
    letter-spacing: 0.05em;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: 0.3s; }
img { width: 100%; height: 100%; object-fit: cover; display: block; }
ul { list-style: none; }

/* =========================================
   Typography & Utilities
   ========================================= */
.serif { font-family: var(--font-serif); }
.blue { color: var(--accent-blue); }

/* ふんわり浮き出るアニメーション */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s ease, transform 1s ease;
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================
   Header
   ========================================= */
.header {
    position: fixed;
    top: 0; left: 0; width: 100%;
    padding: 1rem 4%;
    display: flex; justify-content: space-between; align-items: center;
    z-index: 100;
    background: rgba(253, 252, 248, 0.95);
    box-shadow: 0 1px 5px rgba(0,0,0,0.05);
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    color: var(--text-main);
    display: flex; align-items: center; gap: 0.5rem;
}
.logo span { font-size: 0.9rem; color: var(--accent-blue); }

.nav ul { display: flex; gap: 2rem; }
.nav a { font-size: 0.95rem; color: var(--text-main); font-weight: 500; }
.nav a:hover, .nav a.active { color: var(--accent-blue); border-bottom: 2px solid var(--accent); }

.btn-reserve-nav {
    background: var(--accent-blue);
    color: #fff !important;
    padding: 0.6rem 1.5rem;
    border-radius: 4px;
    font-size: 0.9rem;
}
.btn-reserve-nav:hover { background: #1a3a63; border-bottom: none; }

.hamburger { display: none; cursor: pointer; }
.hamburger span { display: block; width: 25px; height: 2px; background: #333; margin: 6px 0; transition: 0.3s; }

/* =========================================
   Hero Section
   ========================================= */
.hero {
    height: 90vh;
    position: relative;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    margin: 1rem;
    border-radius: 20px;
}
.hero-bg {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover; background-position: center;
    filter: brightness(0.9);
}
.hero-content {
    position: relative; z-index: 2;
    background: rgba(255,255,255,0.85);
    padding: 3rem 4rem;
    text-align: center;
    border-radius: 4px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}
.hero-title {
    font-family: var(--font-serif);
    font-size: 2.5rem; margin-bottom: 1rem;
    color: var(--text-main);
    line-height: 1.6;
}
.hero-sub { color: var(--accent-blue); font-weight: 500; letter-spacing: 0.1em; }

/* =========================================
   Common Layout
   ========================================= */
.section { padding: 6rem 5%; }
.container { max-width: 1000px; margin: 0 auto; }

.section-title {
    text-align: center; margin-bottom: 4rem;
}
.section-title h2 {
    font-family: var(--font-serif); font-size: 2rem; margin-bottom: 0.5rem;
}
.section-title span {
    color: var(--accent); font-size: 0.9rem; font-weight: bold; letter-spacing: 0.1em;
}

/* =========================================
   Top Page Elements
   ========================================= */
/* Concept Card */
.concept-card {
    display: flex; gap: 3rem; align-items: center; background: #fff; padding: 3rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05); border-radius: 10px;
}
.concept-img { width: 50%; height: 350px; border-radius: 8px; overflow: hidden; }
.concept-text { width: 50%; }
.concept-text h3 { font-family: var(--font-serif); font-size: 1.6rem; margin-bottom: 1.5rem; color: var(--accent-blue); }
.btn-link {
    display: inline-block; background: #f0f0f0; padding: 0.8rem 2rem; border-radius: 50px;
    font-size: 0.9rem; margin-top: 1.5rem; transition: 0.3s;
}
.btn-link:hover { background: var(--accent); color: #fff; }

/* Menu Grid */
.menu-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.menu-card { background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 2px 10px rgba(0,0,0,0.05); transition: 0.3s; }
.menu-card:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
.menu-card img { height: 200px; }
.menu-card-body { padding: 1.5rem; }
.menu-card h4 { font-family: var(--font-serif); font-size: 1.2rem; margin-bottom: 0.5rem; }
.menu-card p { font-size: 0.9rem; color: var(--text-sub); }

/* Instagram Embed */
.instagram-wrapper {
    background: #fff; padding: 2rem; border-radius: 10px; text-align: center; border: 1px solid #eee;
}

/* =========================================
   Sub Pages
   ========================================= */
.page-head {
    padding: 8rem 5% 4rem; text-align: center; background: #f4f4f0;
}
.page-head h1 { font-family: var(--font-serif); font-size: 2.2rem; margin-bottom: 0.5rem; }
.page-head p { color: var(--accent-blue); font-size: 0.9rem; letter-spacing: 0.1em; }

/* Menu Page List */
.menu-category { margin-bottom: 5rem; }
.menu-category h3 {
    font-family: var(--font-serif); font-size: 1.5rem; border-left: 4px solid var(--accent);
    padding-left: 1rem; margin-bottom: 2rem;
}
.menu-item-row {
    display: flex; justify-content: space-between; align-items: baseline;
    padding: 1rem 0; border-bottom: 1px dashed #ddd;
}
.menu-name { font-weight: bold; }
.menu-price { font-family: var(--font-serif); font-weight: bold; }

/* Space Page */
.space-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.space-img { height: 300px; border-radius: 8px; overflow: hidden; }
.space-desc { padding: 1rem 0; }
.space-desc h3 { font-family: var(--font-serif); margin-bottom: 0.5rem; color: var(--accent-blue); }

/* Form */
.form-container { max-width: 600px; margin: 0 auto; background: #fff; padding: 3rem; border-radius: 10px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
input, textarea, select {
    width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; margin-bottom: 1.5rem;
    font-family: inherit;
}
.btn-submit {
    width: 100%; background: var(--accent-blue); color: #fff; border: none; padding: 1rem;
    border-radius: 4px; font-weight: bold; cursor: pointer;
}

/* Footer */
.footer {
    background: #fff; padding: 4rem 5%; text-align: center; border-top: 1px solid #eee;
}
.footer-logo { font-family: var(--font-serif); font-size: 1.5rem; margin-bottom: 1rem; }

/* Responsive */
@media (max-width: 768px) {
    .nav { display: none; }
    .hamburger { display: block; }
    .hero { margin: 0; border-radius: 0; height: 80vh; }
    .hero-content { padding: 2rem; width: 90%; }
    .hero-title { font-size: 1.8rem; }
    .concept-card { flex-direction: column; gap: 1.5rem; padding: 2rem; }
    .concept-img { width: 100%; height: 250px; }
    .concept-text { width: 100%; }
    .space-grid { grid-template-columns: 1fr; }
}