:root {
    --color-bg: #ffffff;
    --color-text: #1a1a1a;
    --color-text-light: #444444; /* 視認性向上のため少し濃いグレーに */
    --color-border: #e0e0e0;
    
    --font-en: 'Cormorant Garamond', 'Inter', serif;
    --font-ja: 'Noto Serif JP', serif;
}

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

body {
    font-family: var(--font-ja);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 2;
    letter-spacing: 0.05em;
    font-weight: 300;
}

h1, h2, h3, h4, .nav-list a, .btn {
    font-family: var(--font-en);
    font-weight: 400;
    letter-spacing: 0.1em;
}

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

a:hover {
    opacity: 0.6;
}

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

.container {
    max-width: 900px; /* 余白を大きくとるため少し狭めに */
    margin: 0 auto;
    padding: 0 5%;
}

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

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

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 5%;
}

.logo {
    display: block;
    position: relative;
    width: 250px; /* 横長のロゴデザインに合わせて横幅を広くとる */
    height: 70px; 
    overflow: hidden;
    line-height: 0;
}

.logo img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 110%; /* 元の画像が横長で最適化されているため、少しだけ余白を削る倍率にする */
    height: auto;
    max-width: none;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-list a {
    font-size: 0.95rem;
    color: var(--color-text);
}

/* Hero */
.hero {
    padding-top: 100px; /* ヘッダーの高さ分下げる */
    margin-bottom: 80px;
}

.hero-image {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

.hero-image img {
    width: 100%;
    height: 70vh;
    object-fit: cover;
}

.hero-copy {
    text-align: center;
    padding: 3rem 5% 0;
    color: var(--color-text);
}

.hero-copy p {
    font-family: var(--font-ja);
    font-size: 1.4rem;
    line-height: 1.8;
    letter-spacing: 0.1em;
    font-weight: 400;
    margin: 0;
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 30px;
    height: 1px;
    background-color: var(--color-text);
    margin: 1.5rem auto 0;
}

/* About */
.about-wrapper {
    display: flex;
    gap: 4rem;
    align-items: center;
}

.about-image {
    flex: 1;
}

.about-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    object-fit: cover;
}

.about-content {
    flex: 1;
    text-align: left;
    font-size: 1.05rem;
    color: var(--color-text-light);
}

/* News */
.news-list {
    list-style: none;
    max-width: 600px;
    margin: 0 auto;
}

.news-list li {
    display: flex;
    border-bottom: 1px solid var(--color-border);
    padding: 1.5rem 0;
    font-size: 1rem;
}

.news-date {
    width: 120px;
    font-family: var(--font-en);
    color: var(--color-text-light);
}

/* News Accordion */
.news-accordion {
    flex: 1;
}

.news-accordion summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: opacity 0.3s ease;
}

.news-accordion summary:hover {
    opacity: 0.6;
}

.news-accordion summary::-webkit-details-marker {
    display: none;
}

.toggle-icon {
    font-size: 1.2rem;
    font-weight: 300;
    transition: transform 0.3s ease;
}

.news-accordion[open] .toggle-icon {
    transform: rotate(45deg);
}

.news-content {
    margin-top: 1rem;
    padding: 1rem;
    background-color: rgba(0, 0, 0, 0.02);
    border-radius: 4px;
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* Dinner */
.menu-list {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.menu-item {
    display: flex;
    gap: 3rem;
    align-items: center;
}

.menu-item:nth-child(even) {
    flex-direction: row-reverse;
}

.menu-image {
    flex: 1;
}

.menu-image img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.menu-text {
    flex: 1;
    text-align: left;
}

.menu-text h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.menu-text p {
    font-size: 0.95rem;
    color: var(--color-text-light);
}

/* Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.gallery-grid img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.gallery-grid img:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

/* Reservation */
.reservation-text {
    margin-bottom: 2rem;
    font-size: 1rem;
    color: var(--color-text-light);
}

.reservation-buttons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.reservation-info {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

.reservation-notice {
    font-size: 0.9rem;
    color: #666; /* コントラストを上げるため濃く */
    margin-bottom: 1.5rem;
}

.instagram-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--color-text);
    text-decoration: none;
    border-bottom: 1px solid var(--color-text);
    padding-bottom: 2px;
    transition: color 0.3s ease, border-color 0.3s ease;
}

.instagram-link:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.instagram-link svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

.btn-line {
    display: inline-block;
    padding: 1rem 3rem;
    border: 1px solid var(--color-text);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.btn-line:hover {
    background-color: var(--color-text);
    color: var(--color-bg);
}

/* Access */
.access-info {
    font-size: 1.05rem;
    color: var(--color-text-light);
    margin-bottom: 2.5rem;
}

.shop-name {
    font-family: var(--font-en);
    font-size: 1.4rem;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.business-hours {
    margin-top: 1.5rem;
    line-height: 1.8;
}

.business-hours strong {
    color: var(--color-text);
    font-weight: 400;
}

.access-map iframe {
    border-radius: 8px;
    filter: grayscale(100%) opacity(80%); /* 全体のミニマルなトーンに合わせてモノクロ化 */
    transition: filter 0.3s ease;
}

.access-map iframe:hover {
    filter: grayscale(0%) opacity(100%); /* ホバー時はカラーに戻る */
}

/* Footer */
.footer {
    padding: 60px 0;
    border-top: 1px solid var(--color-border);
}

.footer-social {
    margin-bottom: 2rem;
}

.footer-social a {
    font-family: var(--font-en);
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    border-bottom: 1px solid currentColor;
    padding-bottom: 2px;
}

.copyright {
    font-family: var(--font-en);
    font-size: 0.85rem;
    color: var(--color-text-light);
}

/* Animations */
.fade-in { opacity: 0; transition: opacity 1.5s ease; }
.fade-in.visible { opacity: 1; }

.fade-in-up { opacity: 0; transform: translateY(20px); transition: opacity 1.2s ease, transform 1.2s ease; }
.fade-in-up.visible { opacity: 1; transform: translateY(0); }

/* Hamburger Button */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 200;
}

.hamburger span {
    position: absolute;
    width: 100%;
    height: 1px;
    background-color: var(--color-text);
    transition: all 0.3s ease;
    left: 0;
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.hamburger span:nth-child(3) { bottom: 0; }

.hamburger.active span:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
    opacity: 0;
}
.hamburger.active span:nth-child(3) {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
}

/* Floating Reserve Bar (Mobile) */
.reserve-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: none;
    gap: 6px;
    padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
    background: rgba(26, 26, 26, 0.96);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.rb-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8px 4px;
    text-decoration: none;
    border-radius: 4px;
    text-align: center;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.rb-btn:active {
    opacity: 0.7;
    transform: scale(0.98);
}

.rb-sub {
    font-size: 0.6rem;
    letter-spacing: 0.05em;
    opacity: 0.9;
    margin-bottom: 2px;
}

.rb-main {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.rb-hp  { background: #C0392B; color: #ffffff; border: 1px solid #C0392B; }
.rb-tb  { background: #C29B27; color: #ffffff; border: 1px solid #C29B27; }
.rb-tel { background: rgba(255,255,255,0.1); color: #ffffff; border: 1px solid rgba(255,255,255,0.2); }
.rb-map { background: rgba(255,255,255,0.1); color: #ffffff; border: 1px solid rgba(255,255,255,0.2); }

/* Responsive Utilities */
.sp-br { display: none; }

/* Responsive */
@media (max-width: 768px) {
    body {
        padding-bottom: 80px; /* 追従バー用の余白 */
    }
    .reserve-bar {
        display: flex;
    }
    .pc-br { display: none; }
    .sp-br { display: block; }

    .hamburger {
        display: block;
    }
    
    .nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: rgba(255, 255, 255, 0.98);
        display: flex;
        justify-content: center;
        align-items: center;
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s ease;
        z-index: 150;
    }
    
    .nav.active {
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 3rem;
        text-align: center;
    }
    
    .nav-list a {
        font-size: 1.2rem;
    }

    .news-list li { flex-direction: column; gap: 0.5rem; }
    .about-wrapper { flex-direction: column; gap: 2rem; }
    .about-content { text-align: center; }
    .menu-item, .menu-item:nth-child(even) { flex-direction: column; }
    .gallery-grid { grid-template-columns: 1fr; }
    .reservation-buttons { flex-direction: column; gap: 1rem; }
    .hero-image img { height: 50vh; }
    .hero-copy p { font-size: 1.2rem; }
}
