/* ==========================================
   Reset & Variables
   ========================================== */
:root {
    --primary-color: #8A5A5A;
    --primary-hover: #734848;
    --text-main: #4A3F35;
    --text-light: #7A726A;
    --bg-light: #FDFBF8;
    --bg-white: #FFFFFF;
    --border-color: #D6D0C4;
    --font-serif: 'Noto Serif JP', serif;
}

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

body {
    font-family: var(--font-serif);
    color: var(--text-main);
    background-color: var(--bg-white);
    line-height: 1.8;
    letter-spacing: 0.05em;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* ==========================================
   Utility Classes
   ========================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.text-center {
    text-align: center;
}

.section-padding {
    padding: 100px 0;
}

.section-bg-light {
    background-color: var(--bg-light);
}

.mt-4 {
    margin-top: 40px;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 400;
}

.section-title {
    font-size: 2rem;
    line-height: 1.6;
    margin-bottom: 20px;
    color: var(--text-main);
}

.en-title {
    font-size: 1.8rem;
    letter-spacing: 0.1em;
    margin-bottom: 5px;
}

.jp-subtitle {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 40px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 30px;
    border-radius: 50px;
    font-size: 0.9rem;
    cursor: pointer;
}

.btn span {
    margin-left: 10px;
    font-size: 1.1em;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
    border: 1px solid var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--text-light);
    color: var(--text-main);
}

.btn-outline:hover {
    background-color: var(--bg-light);
}

/* ==========================================
   Header
   ========================================== */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    z-index: 1000;
    border-bottom: 1px solid #f0f0f0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
}

.logo h1 {
    font-size: 1.5rem;
    line-height: 1;
}

.logo span {
    font-size: 0.7rem;
    color: var(--text-light);
}

.nav ul {
    display: flex;
    gap: 30px;
}

.nav a {
    font-size: 0.9rem;
    color: var(--text-main);
}

.nav a:hover {
    color: var(--primary-color);
}

.header-btn {
    padding: 10px 20px;
    font-size: 0.85rem;
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

/* 背景画像を設定 */
.hero-bg-image {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    z-index: -1;
    background-image: url('images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
}

.hero-content {
    width: 50%;
    padding-left: 10%;
    background: linear-gradient(to right, rgba(255,255,255,1) 60%, rgba(255,255,255,0) 100%);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero h2 {
    font-size: 2.5rem;
    line-height: 1.4;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.hero .divider {
    width: 40px;
    height: 1px;
    background-color: var(--text-main);
    margin-bottom: 20px;
}

.hero p {
    font-size: 1rem;
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

/* ==========================================
   Concept Section
   ========================================== */
.concept-text {
    font-size: 1.1rem;
    line-height: 2.2;
}

/* ==========================================
   Service Section
   ========================================== */
.service-cards {
    display: flex;
    gap: 40px;
    justify-content: center;
}

.card {
    flex: 1;
    background: var(--bg-white);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
}

/* HTMLのインラインスタイルで背景画像を指定し、ここでトリミング設定を共通化 */
.card-img {
    height: 250px;
    width: 100%;
    background-size: cover;
    background-position: center;
}

.card-body {
    padding: 30px;
    text-align: center;
}

.card-body h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.card-body p {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* ==========================================
   Flex Sections (Menu & Reserve & Voice)
   ========================================== */
.flex-section {
    display: flex;
    align-items: stretch;
}

.flex-section > div {
    flex: 1;
}

/* Menu 画像設定 */
.menu-image {
    min-height: 500px;
    background-image: url('images/menu-products.jpg');
    background-size: cover;
    background-position: center;
}

/* Reserve 画像設定 */
.reserve-image {
    min-height: 500px;
    background-image: url('images/reserve-interior.jpg');
    background-size: cover;
    background-position: center;
}

.menu-content, .reserve-content {
    padding: 80px 10%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Menu Details */
.menu-columns {
    display: flex;
    gap: 40px;
}

.menu-col h3 {
    font-size: 1.2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.price-list li {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    margin-bottom: 12px;
    border-bottom: 1px dashed #eee;
    padding-bottom: 5px;
}

.text-link {
    font-size: 0.85rem;
    color: var(--primary-color);
    display: inline-block;
    margin-top: 10px;
}

.tax-note {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: 30px;
    text-align: right;
}

/* Voice Details */
.voice.reverse {
    flex-direction: row-reverse;
}

.voice-content {
    padding: 80px 5%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.voice-images {
    display: flex;
    gap: 15px;
    padding: 40px;
}

/* Voiceの画像トリミング設定（画像自体はHTML側） */
.v-img {
    flex: 1;
    height: 200px;
    background-size: cover;
    background-position: center;
}

/* Reserve Details */
.reserve-buttons {
    display: flex;
    gap: 15px;
}

.reserve-box {
    flex: 1;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    padding: 30px 15px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    border-radius: 4px;
}

.reserve-box:hover {
    border-color: var(--primary-color);
}

/* 新しく追加したアイコン用スタイル */
.reserve-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 10px;
    object-fit: contain; /* アイコンの縦横比を崩さない */
}

.reserve-box .title {
    font-size: 1rem;
    margin-bottom: 5px;
}

.reserve-box .desc {
    font-size: 0.75rem;
    color: var(--text-light);
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    background-color: #F4EFEA;
    padding-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo-area h2 {
    font-size: 1.8rem;
    line-height: 1;
    color: var(--primary-color);
}

.footer-logo-area span {
    font-size: 0.8rem;
    margin-bottom: 15px;
    display: block;
}

.footer-logo-area p {
    font-size: 0.85rem;
}

.footer-info h4, .footer-social h4 {
    font-size: 1rem;
    margin-bottom: 15px;
    color: var(--text-main);
}

.footer-info p {
    font-size: 0.85rem;
    line-height: 2;
}

.social-icons a {
    display: inline-block;
    margin-right: 15px;
    width: 30px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    border: 1px solid var(--text-main);
    border-radius: 50%;
    font-size: 0.75rem;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
}

/* ==========================================
   Responsive (Basic)
   ========================================== */
@media (max-width: 992px) {
    .hero-content { width: 70%; }
    .hero-bg-image { width: 50%; }
    .service-cards, .menu-columns, .reserve-buttons { flex-direction: column; }
    .flex-section { flex-direction: column; }
    .voice.reverse { flex-direction: column; }
    .menu-image, .reserve-image { height: 300px; min-height: auto; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .header-container { flex-direction: column; gap: 15px; padding: 15px; }
    .nav ul { flex-wrap: wrap; justify-content: center; gap: 15px; }
    .hero-content { width: 100%; padding: 0 20px; background: rgba(255,255,255,0.8); }
    .hero-bg-image { width: 100%; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
}