/**
 * 淡路鯛 空 - カスタムスタイル
 * Blankslateテーマ用追加CSS
 */

/* ============================================
   CSS Variables
   ============================================ */
:root {
    --color-primary: #2d2a26;
    --color-accent: #c53d3d;
    --color-white: #ffffff;
    --color-nav-bg: rgba(45, 42, 38, 0.9);
    --color-footer-bg: #1a1816;
    --color-text-muted: rgba(255, 255, 255, 0.4);
    --color-text-light: rgba(255, 255, 255, 0.8);
    --color-border-light: rgba(255, 255, 255, 0.2);
    
    --font-serif: 'Noto Serif JP', serif;
    --font-sans: 'Noto Sans JP', sans-serif;
    
    --transition-default: 0.3s ease;
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   Base Styles
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-serif);
    color: var(--color-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ============================================
   Utility Classes
   ============================================ */
.writing-vertical {
    writing-mode: vertical-rl;
    text-orientation: mixed;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.mt-4 {
    margin-top: 1rem;
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 1.5s ease-out forwards;
}

.animate-fade-in-delay-1 {
    animation: fadeIn 1.5s ease-out 0.3s forwards;
    opacity: 0;
}

.animate-fade-in-delay-2 {
    animation: fadeIn 1.5s ease-out 0.6s forwards;
    opacity: 0;
}

/* Scroll Fade In */
.scroll-fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s ease-out, transform 1s ease-out;
}

.scroll-fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Side Navigation
   ============================================ */
.side-nav {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    z-index: 1000;
    transition: transform var(--transition-slow);
}

.side-nav.hidden-nav {
    transform: translateX(-100%);
}

.side-nav-inner {
    height: 100%;
    background-color: var(--color-nav-bg);
    backdrop-filter: blur(10px);
    color: var(--color-white);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    width: 180px;
}

/* Logo Area */
.logo-area {
    margin-bottom: 2rem;
}

.logo-tagline {
	font-size: 0.85rem;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
    margin-bottom: 0rem;
    text-align: center;
}

.logo-main {
    margin-top: 1rem;
}

.logo-main a {
    display: block;
}

.logo-image {
    height: auto;
    width: auto;
    max-height: 14rem;
    margin: 10px auto;
    display: block;
}

/* Language Switcher (Bogo Plugin) */
.language-switcher {
    margin-bottom: 2rem;
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
}

.language-switcher ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex-direction: row-reverse;
    flex-wrap: nowrap;
    justify-content: center;
}

.language-switcher li {
    display: inline-flex;
    align-items: center;
	padding: 0 15px!important;
	position:relative;
}

/* Separator between language links */
.language-switcher li + li::before {
    content: '／';
    color: var(--color-text-muted);
    font-size: 0.8em;
    position: absolute;
    transform: translateX(-50%);
    left: 105%;
}

.language-switcher a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-default);
}

.language-switcher a:hover {
    color: var(--color-white);
}

/* Bogo: current/active language highlight */
.language-switcher li.current a,
.language-switcher li[class*="current"] a,
.language-switcher a[aria-current="page"],
.language-switcher a[aria-current="true"] {
    color: var(--color-white);
    font-weight: 500;
}

/* Navigation Links */
.nav-links {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    list-style: none;
}

.nav-link {
    font-size: 0.875rem;
    letter-spacing: 0.2em;
    color: var(--color-white);
    text-decoration: none;
    transition: color var(--transition-default);
}

.nav-link:hover {
    color: var(--color-text-light);
}

.nav-link-accent {
    color: var(--color-accent);
}

.nav-link-accent:hover {
    color: #e54b4b;
}

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
    position: relative;
    height: 100vh;
    width: 100%;
    overflow: hidden;
}

/* Smart Slider 3 will handle slideshow */
.hero-slideshow {
    position: absolute;
    inset: 0;
}

.hero-slideshow .n2-ss-slider {
    height: 100% !important;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.2);
    pointer-events: none;
    z-index: 5;
}

/* Catchphrase */
.hero-catchphrase {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10;
    text-align: center;
}

.catchphrase-line {
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--color-white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    margin-bottom: 1rem;
}

@media (min-width: 768px) {
    .catchphrase-line {
        font-size: 1.875rem;
    }
}

@media (min-width: 1024px) {
    .catchphrase-line {
        font-size: 2.25rem;
    }
}

/* Thumbnails */
.hero-thumbnails {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    gap: 0.5rem;
    z-index: 15;
}

.thumbnail-btn {
    width: 4rem;
    height: 3rem;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: none;
    cursor: pointer;
    transition: border-color var(--transition-default);
    padding: 0;
}

.thumbnail-btn.active,
.thumbnail-btn:hover {
    border-color: var(--color-white);
}

.thumbnail-btn img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (min-width: 768px) {
    .thumbnail-btn {
        width: 5rem;
        height: 3.5rem;
    }
}

/* ============================================
   About Section
   ============================================ */
.about-section {
    position: relative;
    min-height: 100vh;
    width: 100%;
    overflow: hidden;
}

.about-background {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
}

.about-gradient-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.6));
}

/* Awaji Outline */
.awaji-outline {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.3;
}

.awaji-svg {
    height: 75%;
    stroke: var(--color-primary);
    fill: none;
    stroke-width: 1;
}

/* Content */
.about-content {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 5rem 1rem;
    text-align: center;
}

.about-title {
    font-size: 1.125rem;
    letter-spacing: 0.2em;
    margin-bottom: 2rem;
    color: var(--color-primary);
}

@media (min-width: 768px) {
    .about-title {
        font-size: 1.25rem;
    }
}

.about-text {
    max-width: 40rem;
    font-size: 0.875rem;
    line-height: 2;
    color: var(--color-primary);
}

@media (min-width: 768px) {
    .about-text {
        font-size: 1rem;
    }
}

.about-text p {
    margin-bottom: 0.5rem;
}

/* ============================================
   Menu Grid Section
   ============================================ */
.menu-grid-section {
    background-color: #2a2724;
    padding: 4rem 1rem;
}

@media (min-width: 768px) {
    .menu-grid-section {
        padding: 5rem 2rem;
    }
}

.menu-grid-container {
    max-width: 64rem;
    margin: 0 auto;
}

/* 2x2 Image Grid */
.menu-image-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .menu-image-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

/* Grid Item */
.menu-grid-item {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    display: block;
    text-decoration: none;
}

.grid-item-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease;
}

.menu-grid-item:hover .grid-item-image {
    transform: scale(1.05);
}

/* Dark Overlay */
.grid-item-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.3);
    transition: background-color 0.3s ease;
}

.menu-grid-item:hover .grid-item-overlay {
    background-color: rgba(0, 0, 0, 0.4);
}

/* Text Overlay - Centered */
.grid-item-text {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    z-index: 10;
}

.grid-item-title-jp {
    color: var(--color-white);
    font-size: 1.25rem;
    letter-spacing: 0.15em;
    font-weight: 500;
    margin: 0;
    line-height: 1.4;
}

@media (min-width: 768px) {
    .grid-item-title-jp {
        font-size: 1.5rem;
    }
}

.grid-item-title-en-wrap {
    margin-top: 0.5rem;
}

.grid-item-title-en {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    margin: 0;
    line-height: 1.4;
}

@media (min-width: 768px) {
    .grid-item-title-en {
        font-size: 1rem;
    }
}

/* ============================================
   News Section
   ============================================ */
.news-section {
    background-color: var(--color-nav-bg);
    padding: 5rem 0;
}

.news-section .container {
    max-width: 48rem;
}

.news-title {
    color: var(--color-white);
    text-align: center;
    font-size: 1.25rem;
    letter-spacing: 0.2em;
    margin-bottom: 3rem;
}

.news-list {
    border-top: 1px solid var(--color-border-light);
}

.news-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-white);
    text-decoration: none;
    transition: background-color var(--transition-default);
}

.news-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.news-item-title {
    font-size: 0.875rem;
    letter-spacing: 0.1em;
}

@media (min-width: 768px) {
    .news-item-title {
        font-size: 1rem;
    }
}

.news-item-date {
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
    position: relative;
    background-color: var(--color-footer-bg);
    color: var(--color-white);
    overflow: hidden;
}

/* Tagline */
.footer-tagline {
    padding: 4rem 0;
    text-align: center;
    position: relative;
    z-index: 10;
}

.footer-tagline p {
    font-size: 1.25rem;
    letter-spacing: 0.2em;
    margin-bottom: 0.5rem;
}

@media (min-width: 768px) {
    .footer-tagline p {
        font-size: 1.5rem;
    }
}

/* Footer Content */
.footer-content {
    position: relative;
}

/* Fish Illustration */
.fish-illustration {
    position: absolute;
    inset: 0;
    opacity: 0.2;
}

.fish-illustration svg {
    width: 100%;
    height: 100%;
    color: var(--color-white);
}

/* Footer Info */
.footer-info {
    position: relative;
    z-index: 10;
    padding: 4rem 1rem;
    text-align: center;
}

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

.footer-logo-vertical {
    display: block;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    height: 6rem;
    font-size: 1.125rem;
    letter-spacing: 0.2em;
    margin: 0 auto;
}

.footer-logo-main {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    font-family: serif;
    margin-top: 1rem;
}

.footer-logo-kuu {
    display: block;
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

/* Footer Details */
.footer-details {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.footer-details p {
    margin-bottom: 0.5rem;
}

/* Footer Navigation */
.footer-nav {
    margin-bottom: 3rem;
}

.footer-menu {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem 1rem;
    list-style: none;
    padding: 0;
}

@media (min-width: 768px) {
    .footer-menu {
        gap: 0.5rem 2rem;
    }
}

.footer-menu li {
    display: flex;
    align-items: center;
    gap: 1rem;
}

@media (min-width: 768px) {
    .footer-menu li {
        gap: 2rem;
    }
}

.footer-menu a {
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    color: var(--color-white);
    text-decoration: none;
    transition: color var(--transition-default);
}

.footer-menu a:hover {
    color: var(--color-text-light);
}

.footer-menu .separator {
    color: var(--color-text-muted);
}

/* Copyright */
.copyright {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   Mobile Sidebar (collapsed sidebar bar)
   ============================================ */
.mobile-sidebar {
    display: none; /* Hidden on desktop */
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    height: 100dvh;
    z-index: 1000;
    transition: transform var(--transition-slow);
}

.mobile-sidebar.hidden-nav {
    transform: translateX(-100%);
}

.mobile-sidebar-inner {
    height: 100%;
    background-color: var(--color-nav-bg);
    backdrop-filter: blur(10px);
    color: var(--color-white);
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 90px;
}

.mobile-logo-area {
    text-align: center;
    margin-bottom: 1rem;
}

.mobile-logo-area .logo-tagline {
    font-size: 0.625rem;
    text-align: center;
}

.mobile-logo-link {
    display: block;
    margin-top: 0.75rem;
}

.mobile-logo-image {
    width: auto;
    height: auto;
    max-height: 10rem;
    max-width: 50px;
    margin: 0 auto;
    display: block;
}

.mobile-lang-switcher {
    margin-bottom: 1rem;
    font-size: 0.75rem;
}

.mobile-sidebar-spacer {
    flex: 1;
}

/* Menu Button */
.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: none;
    color: var(--color-white);
    cursor: pointer;
    padding: 0.75rem 0;
}

.menu-btn-line {
    display: block;
    width: 28px;
    height: 1px;
    background-color: var(--color-white);
}

.menu-btn-text {
    font-family: var(--font-serif);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    color: var(--color-text-light);
}

/* ============================================
   Mobile Full-screen Menu Overlay
   ============================================ */
.mobile-menu-overlay {
    display: none; /* Hidden on desktop */
    position: fixed;
    inset: 0;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.mobile-menu-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-bg {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
}

.mobile-menu-content {
    position: relative;
    z-index: 10;
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 2rem;
    transform: translateX(100%);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu-overlay.is-open .mobile-menu-content {
    transform: translateX(0);
}

/* Logo area in overlay (top right) */
.mobile-menu-logo-area {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    text-align: right;
}

.mobile-menu-logo-area .logo-tagline {
    font-size: 0.7rem;
    color: var(--color-text-light);
    text-align: right;
}

.mobile-menu-logo-link {
    display: block;
    margin-top: 0.5rem;
}

.mobile-menu-logo-image {
    width: auto;
    height: auto;
    max-height: 11rem;
    max-width: 55px;
    margin-left: auto;
}

.mobile-menu-lang {
    margin-top: 0.75rem;
    margin-bottom: 0;
    text-align: right;
    font-size: 0.8rem;
}

/* Navigation Links */
.mobile-menu-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-left: 2rem;
    padding-right: 5rem;
}

.mobile-menu-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.mobile-menu-links a {
    color: var(--color-white);
    text-decoration: none;
    font-size: 1.25rem;
    letter-spacing: 0.15em;
    transition: color var(--transition-default);
}

.mobile-menu-links a:hover {
    color: var(--color-text-light);
}

/* Instagram Link */
.mobile-menu-instagram {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-white);
    text-decoration: none;
    margin-top: 2.5rem;
    font-size: 1.125rem;
    letter-spacing: 0.1em;
    transition: color var(--transition-default);
}

.mobile-menu-instagram:hover {
    color: var(--color-text-light);
}

.mobile-menu-instagram svg {
    width: 28px;
    height: 28px;
}

/* Close Button */
.mobile-menu-close-btn {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    background: none;
    border: none;
    color: var(--color-text-light);
    cursor: pointer;
    padding: 0.5rem;
    transition: color var(--transition-default);
}

.mobile-menu-close-btn:hover {
    color: var(--color-white);
}

/* Body scroll lock */
body.mobile-menu-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 768px) {
    /* Hide PC nav, show mobile sidebar */
    .side-nav {
        display: none;
    }
    
    .mobile-sidebar {
        display: block;
    }
    
    .mobile-menu-overlay {
        display: block;
    }
    
    /* Adjust hero catchphrase position for mobile sidebar */
    .hero-catchphrase {
        padding-left: 90px;
    }
}