/* ========================================
   Hair Salon SHIBATA - Design System
   ======================================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-white: #FFFFFF;
    --color-cream: #FAF8F5;
    --color-beige: #E8DFD5;
    --color-beige-light: #F5F0EB;
    --color-greige: #9A8F85;
    --color-greige-dark: #7A6F65;
    --color-brown: #6B5D52;
    --color-dark-brown: #4A4039;
    --color-black: #2A2520;

    /* Accents */
    --color-brick-red: #8F4535;
    --color-olive: #768068;

    /* Typography */
    --font-serif: 'Noto Serif JP', serif;
    --font-sans: 'Noto Sans JP', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(74, 64, 57, 0.08);
    --shadow-md: 0 4px 16px rgba(74, 64, 57, 0.12);
    --shadow-lg: 0 8px 32px rgba(74, 64, 57, 0.16);

    /* Header Height */
    --header-height: 80px;
}

/* ========================================
   Reset & Base Styles
   ======================================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-weight: 400;
    line-height: 1.8;
    color: var(--color-dark-brown);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

ul {
    list-style: none;
}

button {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

/* ========================================
   Typography
   ======================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-serif);
    font-weight: 500;
    line-height: 1.4;
    color: var(--color-dark-brown);
}

.accent {
    color: var(--color-brick-red);
    font-style: italic;
}

/* ========================================
   Layout
   ======================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    padding: var(--spacing-3xl) 0;
}

.section-alt {
    background-color: var(--color-cream);
}

/* ========================================
   Section Titles
   ======================================== */
.section-title {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title-en {
    display: block;
    font-family: var(--font-serif);
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    color: var(--color-greige);
    text-transform: uppercase;
    margin-bottom: var(--spacing-xs);
}

.section-title-ja {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 500;
    color: var(--color-dark-brown);
}

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background-color: transparent;
    transition: var(--transition-base);
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Logo */
.logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--color-dark-brown);
}

.logo-sub {
    font-family: var(--font-sans);
    font-size: 0.625rem;
    font-weight: 300;
    letter-spacing: 0.3em;
    color: var(--color-greige);
    text-transform: uppercase;
}

.header.scrolled .logo-text,
.header.scrolled .logo-sub {
    color: var(--color-dark-brown);
}

/* Navigation */
.nav-list {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--color-dark-brown);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-brown);
    transition: var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.header.scrolled .nav-link {
    color: var(--color-dark-brown);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 30px;
    height: 30px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 1.5px;
    background-color: var(--color-dark-brown);
    transition: var(--transition-base);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-beige-light) 0%, var(--color-cream) 50%, var(--color-beige) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(154, 143, 133, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(232, 223, 213, 0.3) 0%, transparent 50%);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0) 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--spacing-lg);
    max-width: 800px;
}

.hero-greeting {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--color-greige);
    margin-bottom: var(--spacing-lg);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 500;
    line-height: 1.6;
    color: var(--color-dark-brown);
    margin-bottom: var(--spacing-lg);
}

.hero-name {
    font-family: var(--font-serif);
    font-size: 0.9rem;
    letter-spacing: 0.15em;
    color: var(--color-greige);
    margin-bottom: var(--spacing-xl);
}

.hero-cta {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    background-color: var(--color-brick-red);
    color: var(--color-white);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

.hero-cta:hover {
    background-color: var(--color-dark-brown);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.hero-scroll span {
    font-size: 0.625rem;
    letter-spacing: 0.2em;
    color: var(--color-greige);
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-greige), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {

    0%,
    100% {
        opacity: 0.3;
        transform: scaleY(0.5);
    }

    50% {
        opacity: 1;
        transform: scaleY(1);
    }
}

/* ========================================
   Animations
   ======================================== */
.animate-fade-in {
    animation: fadeIn 1s ease forwards;
}

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

.animate-fade-in-delay-2 {
    animation: fadeIn 1s ease 0.6s forwards;
    opacity: 0;
}

.animate-fade-in-delay-3 {
    animation: fadeIn 1s ease 0.9s forwards;
    opacity: 0;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Concern Section
   ======================================== */
.concern-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.concern-card {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.concern-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.concern-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-olive);
}

.concern-icon svg {
    width: 100%;
    height: 100%;
}

.concern-title {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-dark-brown);
    margin-bottom: var(--spacing-sm);
}

.concern-text {
    font-size: 0.875rem;
    color: var(--color-greige-dark);
    line-height: 1.7;
}

.concern-message {
    text-align: center;
    font-size: 1rem;
    line-height: 2;
    color: var(--color-dark-brown);
}

.concern-message strong {
    color: var(--color-brick-red);
    font-weight: 500;
}

/* ========================================
   Service Section
   ======================================== */
.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.service-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-image {
    aspect-ratio: 16 / 9;
    background-color: var(--color-beige);
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.05);
}

.service-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-beige) 0%, var(--color-beige-light) 100%);
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--color-greige);
    letter-spacing: 0.1em;
}

.service-content {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.service-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-dark-brown);
    margin-bottom: var(--spacing-md);
}

.service-text {
    font-size: 0.9375rem;
    color: var(--color-greige-dark);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    flex: 1;
}

.service-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-brick-red);
    letter-spacing: 0.05em;
    margin-top: auto;
}

.service-link:hover {
    color: var(--color-dark-brown);
}

/* ========================================
   Journal Section
   ======================================== */
.journal {
    background-color: var(--color-white);
}

.journal-intro {
    text-align: center;
    font-size: 1rem;
    line-height: 1.9;
    color: var(--color-greige-dark);
    margin-bottom: var(--spacing-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.journal-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.journal-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
    height: 100%;
    text-decoration: none;
    color: inherit;
}

.journal-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.journal-image {
    aspect-ratio: 16 / 9;
    background-color: var(--color-beige-light);
    overflow: hidden;
    position: relative;
}

.journal-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.journal-card:hover .journal-image img {
    transform: scale(1.05);
}

.journal-content {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.journal-title {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-dark-brown);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.journal-excerpt {
    font-size: 0.875rem;
    color: var(--color-greige-dark);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    flex: 1;
}

.journal-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-brick-red);
    letter-spacing: 0.05em;
    margin-top: auto;
    display: inline-block;
}

.journal-card:hover .journal-link {
    color: var(--color-dark-brown);
}

@media (max-width: 768px) {
    .journal-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Concept Banner
   ======================================== */
.concept-banner {
    position: relative;
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-dark-brown) 0%, var(--color-brown) 100%);
    overflow: hidden;
}

.concept-banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 0% 100%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 100% 0%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
}

.concept-banner-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.concept-banner-title {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 500;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.concept-banner-text {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.9;
    margin-bottom: var(--spacing-xl);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    transition: var(--transition-base);
    cursor: pointer;
}

.btn-icon {
    width: 20px;
    height: 20px;
}

.btn-primary {
    background-color: var(--color-brick-red);
    color: var(--color-white);
    border: 2px solid var(--color-brick-red);
}

.btn-primary:hover {
    background-color: var(--color-dark-brown);
    border-color: var(--color-dark-brown);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-dark-brown);
    border: 2px solid var(--color-beige);
}

.btn-secondary:hover {
    background-color: var(--color-cream);
    border-color: var(--color-greige);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: 0.9375rem;
}

/* ========================================
   Booking Section
   ======================================== */
.booking {
    text-align: center;
}

.booking-text {
    font-size: 1rem;
    color: var(--color-greige-dark);
    line-height: 1.9;
    margin-bottom: var(--spacing-xl);
}

.booking-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background-color: var(--color-dark-brown);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.logo-footer .logo-text {
    color: var(--color-white);
}

.logo-footer .logo-sub {
    color: rgba(255, 255, 255, 0.6);
}

.footer-tagline {
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-nav-title {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: var(--spacing-md);
}

.footer-nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-nav-list a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

.footer-nav-list a:hover {
    color: var(--color-white);
}

.footer-sns {
    display: flex;
    gap: var(--spacing-md);
}

.sns-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition-base);
}

.sns-link svg {
    width: 20px;
    height: 20px;
}

.sns-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    color: var(--color-white);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

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

/* ========================================
   Page Header (for inner pages)
   ======================================== */
.page-header {
    padding-top: calc(var(--header-height) + var(--spacing-3xl));
    padding-bottom: var(--spacing-2xl);
    background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-beige-light) 100%);
    text-align: center;
}

.page-header-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 500;
    color: var(--color-dark-brown);
    margin-bottom: var(--spacing-sm);
}

.page-header-subtitle {
    font-size: 0.875rem;
    letter-spacing: 0.15em;
    color: var(--color-greige);
    text-transform: uppercase;
}

/* ========================================
   Concept Page Styles
   ======================================== */
.philosophy {
    background-color: var(--color-white);
}

.philosophy-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.philosophy-text {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    line-height: 2.2;
    color: var(--color-dark-brown);
    margin-bottom: var(--spacing-lg);
}

.philosophy-highlight {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-beige-light);
    border-radius: var(--radius-sm);
    font-weight: 500;
    color: var(--color-brown);
}

/* Concept Story Styles */
.concept-story {
    max-width: 720px;
    margin: 0 auto;
    text-align: left;
}

.story-block {
    margin-bottom: var(--spacing-3xl);
}

.story-block:last-child {
    margin-bottom: 0;
}

.story-title {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    color: var(--color-dark-brown);
    text-align: center;
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.story-lead {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    color: var(--color-brown);
    text-align: center;
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.story-heading {
    font-family: var(--font-serif);
    font-size: 1.375rem;
    color: var(--color-dark-brown);
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-sm);
    border-left: 3px solid var(--color-brick-red);
    line-height: 1.5;
}

.story-text {
    font-size: 1rem;
    line-height: 2;
    color: var(--color-dark-brown);
    margin-bottom: var(--spacing-md);
}

.story-list {
    list-style: none;
    margin-bottom: var(--spacing-lg);
    background-color: var(--color-cream);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
}

.story-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
}

.story-list li:last-child {
    margin-bottom: 0;
}

.story-list li::before {
    content: '✔';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-olive);
}

.highlight-text {
    font-weight: 500;
    color: var(--color-brick-red);
    text-align: center;
    font-size: 1.125rem;
    margin-top: var(--spacing-xl);
}

/* Science Section */
.science {
    background-color: var(--color-cream);
}

.science-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2xl);
}

.science-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-sm);
}

.science-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-beige-light) 0%, var(--color-beige) 100%);
    border-radius: var(--radius-full);
}

.science-icon svg {
    width: 40px;
    height: 40px;
    color: var(--color-brown);
}

.science-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-dark-brown);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.science-subtitle {
    font-size: 0.875rem;
    color: var(--color-greige);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.science-text {
    font-size: 0.9375rem;
    line-height: 1.9;
    color: var(--color-greige-dark);
}

.science-diagram {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background-color: var(--color-cream);
    border-radius: var(--radius-md);
    text-align: center;
}

.diagram-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.diagram-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.diagram-circle {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 500;
}

.diagram-circle.sulfur {
    background-color: #FFE4B5;
    color: var(--color-brown);
}

.diagram-circle.bond {
    background-color: var(--color-beige);
    color: var(--color-greige-dark);
}

.diagram-arrow {
    font-size: 1.5rem;
    color: var(--color-greige);
}

.diagram-caption {
    font-size: 0.75rem;
    color: var(--color-greige);
}

/* ========================================
   Menu Page Styles
   ======================================== */
.menu-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-2xl);
}

.menu-intro-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--color-brown);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.menu-intro-text {
    font-size: 1rem;
    line-height: 1.9;
    color: var(--color-greige-dark);
}

.menu-category {
    margin-bottom: var(--spacing-3xl);
}

.menu-category:last-child {
    margin-bottom: 0;
}

.menu-category-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-dark-brown);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-beige);
}

.menu-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.menu-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.menu-item:hover {
    box-shadow: var(--shadow-md);
}

.menu-item-content {
    flex: 1;
}

.menu-item-name {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-dark-brown);
    margin-bottom: var(--spacing-xs);
}

.menu-item-description {
    font-size: 0.875rem;
    color: var(--color-greige-dark);
    line-height: 1.7;
}

.menu-item-meta {
    text-align: right;
    min-width: 140px;
    margin-left: var(--spacing-lg);
}

.menu-item-price {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-brown);
    margin-bottom: var(--spacing-xs);
}

.menu-item-time {
    font-size: 0.75rem;
    color: var(--color-greige);
}

.menu-note {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--color-beige-light);
    border-radius: var(--radius-md);
    text-align: center;
}

/* ========================================
   Menu Card Styles (New)
   ======================================== */
.menu-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-3xl);
    overflow: hidden;
    transition: var(--transition-base);
    border: 1px solid var(--color-beige-light);
}

.menu-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.menu-card-header {
    background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-beige-light) 100%);
    padding: var(--spacing-lg) var(--spacing-xl);
    text-align: center;
    border-bottom: 1px solid var(--color-beige);
    position: relative;
}

.menu-header-top {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    flex-wrap: wrap;
}

.menu-number {
    font-family: var(--font-serif);
    font-size: 0.875rem;
    color: var(--color-terracotta);
    letter-spacing: 0.1em;
    font-weight: 500;
}

/* Tag Style for Label */
.menu-label-tag {
    display: inline-block;
    background-color: var(--color-olive);
    color: var(--color-white);
    font-size: 0.75rem;
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    letter-spacing: 0.05em;
    vertical-align: middle;
}

.menu-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-dark-brown);
    margin-bottom: 4px;
    line-height: 1.4;
}

.menu-subtitle {
    font-size: 0.875rem;
    color: var(--color-greige-dark);
}

.menu-card-body {
    padding: var(--spacing-xl) var(--spacing-2xl);
}

.menu-catch {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    color: var(--color-brown);
    text-align: center;
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.menu-description {
    font-size: 0.9375rem;
    color: var(--color-dark-brown);
    line-height: 1.9;
    margin-bottom: var(--spacing-2xl);
    /* Increased Spacing */
    text-align: justify;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Menu Meta */
.menu-meta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    /* Increased Spacing */
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-beige-light);
    text-align: center;
}

.menu-meta-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-greige);
    margin-bottom: 2px;
}

.menu-price {
    font-family: var(--font-serif);
    color: var(--color-brick-red);
    font-weight: 600;
}

.price-val {
    font-size: 1.5rem;
}

.tax {
    font-size: 0.875rem;
    font-weight: 400;
}

.menu-time {
    font-family: var(--font-serif);
    color: var(--color-dark-brown);
    font-weight: 500;
    font-size: 1.125rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.text-accent {
    color: var(--color-terracotta);
    font-weight: 500;
}

.menu-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    max-width: 600px;
    margin: 0 auto;
}

.btn-block {
    width: 100%;
    text-align: center;
}

@media (max-width: 768px) {
    .menu-header-top {
        flex-direction: column;
        gap: 4px;
    }

    .menu-meta {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: center;
        padding-top: var(--spacing-md);
    }

    .menu-actions {
        grid-template-columns: 1fr;
    }
}



/* Special Offer Styles */
.special-offer {
    background-color: var(--color-beige-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    border: 2px solid var(--color-beige);
}

.special-offer-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--color-dark-brown);
    margin-bottom: var(--spacing-sm);
}

.special-offer-catch {
    font-size: 0.875rem;
    color: var(--color-greige);
    margin-bottom: var(--spacing-lg);
}

.special-offer-text {
    font-size: 1rem;
    line-height: 2;
    color: var(--color-dark-brown);
}

.special-offer-text strong {
    color: var(--color-terracotta);
    background: linear-gradient(transparent 60%, rgba(184, 110, 86, 0.2) 60%);
}

.menu-note-text {
    font-size: 0.875rem;
    color: var(--color-greige-dark);
}

@media (max-width: 768px) {
    .menu-actions {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Info Page Styles
   ======================================== */
.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.info-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-sm);
}

.info-card-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-dark-brown);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-beige);
}

.info-table {
    width: 100%;
}

.info-table tr {
    border-bottom: 1px solid var(--color-beige-light);
}

.info-table tr:last-child {
    border-bottom: none;
}

.info-table th,
.info-table td {
    padding: var(--spacing-md) 0;
    text-align: left;
    vertical-align: top;
}

.info-table th {
    width: 100px;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--color-greige);
}

.info-table td {
    font-size: 0.9375rem;
    color: var(--color-dark-brown);
}

.info-map {
    grid-column: span 2;
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-3xl);
    /* Added spacing */
}

.info-map-embed {
    width: 100%;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-beige-light);
    color: var(--color-greige);
    font-size: 0.875rem;
}

.info-gallery {
    grid-column: span 2;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.gallery-item {
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--color-beige-light) 0%, var(--color-beige) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--color-greige);
    overflow: hidden;
    transition: var(--transition-base);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* ========================================
   Mobile Navigation
   ======================================== */
@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--color-white);
        box-shadow: var(--shadow-lg);
        transition: var(--transition-base);
        z-index: 1000;
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        padding: calc(var(--header-height) + var(--spacing-lg)) var(--spacing-xl);
        gap: 0;
    }

    .nav-link {
        display: block;
        padding: var(--spacing-md) 0;
        font-size: 1rem;
        border-bottom: 1px solid var(--color-beige-light);
    }

    .hamburger {
        display: flex;
    }

    .nav-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-base);
        z-index: 999;
    }

    .nav-overlay.active {
        opacity: 1;
        visibility: visible;
    }
}

/* ========================================
   Responsive Styles
   ======================================== */
@media (max-width: 1024px) {
    .concern-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .service-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xl);
    }

    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
        --spacing-3xl: 4rem;
    }

    .section-title-ja {
        font-size: 1.5rem;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-greeting {
        font-size: 0.875rem;
    }

    .concern-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto var(--spacing-2xl);
    }

    .concern-message br {
        display: none;
    }

    .booking-buttons {
        width: 100%;
    }

    .btn-lg {
        width: 100%;
        max-width: 320px;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 0.875rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        grid-column: auto;
    }

    .footer-sns {
        justify-content: center;
    }

    .page-header {
        padding-top: calc(var(--header-height) + var(--spacing-2xl));
    }

    .page-header-title {
        font-size: 1.5rem;
    }

    .science-grid {
        grid-template-columns: 1fr;
    }

    .menu-item {
        flex-direction: column;
    }

    .menu-item-meta {
        text-align: left;
        margin-left: 0;
        margin-top: var(--spacing-md);
        padding-top: var(--spacing-md);
        border-top: 1px solid var(--color-beige-light);
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .info-map,
    .info-gallery {
        grid-column: auto;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .btn {
        font-size: 0.8125rem;
    }
}