/* ========================================
   CSS Variables & Design System
   ======================================== */
:root {
    /* Colors */
    --color-off-white: #F8F6F4;
    --color-vanilla: #FBF9F4;
    --color-greige: #E8E5E0;
    --color-dark-gray: #3A3A3A;
    --color-medium-gray: #6B6B6B;
    --color-light-gray: #C8C5C0;
    --color-accent: #A08B7A;
    
    /* Typography */
    --font-serif: 'Noto Serif JP', serif;
    --font-sans: 'Noto Sans JP', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-xxl: 8rem;
    
    /* Container */
    --container-max-width: 1200px;
    --container-padding: 2rem;
    
    /* Transitions */
    --transition-base: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    color: var(--color-dark-gray);
    line-height: 1.8;
    background-color: var(--color-off-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: opacity var(--transition-base);
}

a:hover {
    opacity: 0.7;
}

/* ========================================
   Utilities
   ======================================== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.sp-only {
    display: none;
}

@media (max-width: 768px) {
    .sp-only {
        display: inline;
    }
    
    .pc-only {
        display: none;
    }
}

/* ========================================
   Header & Hero Section
   ======================================== */
.header {
    background-color: var(--color-off-white);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--spacing-lg) 0;
}

/* Logo in Header */
.header__logo-fixed {
    position: absolute;
    top: 2rem;
    left: 2rem;
    z-index: 100;
    animation: fadeIn 0.8s ease;
}

.header__logo-fixed-img {
    width: 60px;
    height: auto;
    display: block;
    transition: opacity var(--transition-base);
}

.header__logo-fixed a:hover .header__logo-fixed-img {
    opacity: 0.7;
}

.header__container {
    width: 100%;
    max-width: 900px;
    padding: 0 var(--container-padding);
    text-align: center;
}

.header__badge {
    margin-top: var(--spacing-lg);
    margin-bottom: 0;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background-color: var(--color-vanilla);
    border: 1px solid var(--color-light-gray);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--color-accent);
}

.header__content {
    animation: fadeInUp 0.8s ease 0.2s both;
}

.header__tagline {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 300;
    letter-spacing: 0.08em;
    color: var(--color-medium-gray);
    margin-bottom: var(--spacing-sm);
}

.header__brand-name {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 400;
    letter-spacing: 0.15em;
    color: var(--color-dark-gray);
    margin-bottom: var(--spacing-lg);
}

.header__visual {
    margin: var(--spacing-lg) 0;
}

.hero-image {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.hero-image__img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.header__nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    animation: fadeIn 0.8s ease 0.4s both;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    color: var(--color-medium-gray);
    padding: 0.5rem 1rem;
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.nav-link:hover {
    opacity: 1;
    border-bottom-color: var(--color-accent);
    color: var(--color-dark-gray);
}

/* ========================================
   Section Title
   ======================================== */
.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 5vw, 2.5rem);
    font-weight: 400;
    letter-spacing: 0.12em;
    text-align: center;
    color: var(--color-dark-gray);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 1px;
    background-color: var(--color-accent);
    margin: var(--spacing-md) auto 0;
}

.section-title--dark {
    color: var(--color-dark-gray);
}

/* ========================================
   Concept Section
   ======================================== */
.concept {
    background-color: var(--color-vanilla);
    padding: var(--spacing-xxl) 0;
}

.concept__content {
    max-width: 800px;
    margin: 0 auto;
}

.concept__text-block {
    margin-bottom: var(--spacing-lg);
}

.concept__text-block--emphasis {
    /* 白背景を削除 */
}

.concept__text {
    font-family: var(--font-serif);
    font-size: clamp(1rem, 2.5vw, 1.125rem);
    font-weight: 300;
    line-height: 2.2;
    letter-spacing: 0.05em;
    color: var(--color-dark-gray);
    text-align: center;
}

/* ========================================
   Store Information Section
   ======================================== */
.store-info {
    background-color: var(--color-off-white);
    padding: var(--spacing-xxl) 0;
}

.store-info__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    max-width: 80%;
    margin-left: auto;
    margin-right: auto;
}

.store-info__details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.info-item {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-light-gray);
}

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

.info-item__label {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-medium-gray);
    margin-bottom: var(--spacing-xs);
}

.info-item__text {
    font-size: 1rem;
    font-weight: 300;
    line-height: 1.8;
    color: var(--color-dark-gray);
}

.info-item__text--emphasis {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-accent);
}

.store-info__map {
    min-height: 400px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.map-placeholder {
    width: 100%;
    height: 100%;
    min-height: 400px;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background-color: var(--color-vanilla);
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-light-gray);
}

.footer__content {
    text-align: center;
}

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

.footer__logo-img {
    width: 100px;
    height: auto;
    display: block;
}

.footer__copy {
    font-size: 0.75rem;
    font-weight: 300;
    color: var(--color-medium-gray);
    letter-spacing: 0.05em;
}

/* ========================================
   Scroll to Top Button
   ======================================== */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--color-accent);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background-color: var(--color-dark-gray);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.scroll-to-top svg {
    width: 24px;
    height: 24px;
    color: var(--color-off-white);
}

/* ========================================
   Animations
   ======================================== */
/* Scroll Fade In Animation */
.fade-in-element {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-element.fade-in-up {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
        --spacing-xxl: 5rem;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
        --spacing-xxl: 3.5rem;
        --container-padding: 1.5rem;
    }
    
    .header__logo-fixed {
        position: absolute;
        top: 1.5rem;
        left: 1.5rem;
    }
    
    .header__logo-fixed-img {
        width: 55px;
    }
    
    .header__tagline {
        font-size: clamp(1.1rem, 3.5vw, 1.5rem);
    }
    
    .header__brand-name {
        font-size: clamp(2.25rem, 7vw, 3.5rem);
    }
    
    .concept__text {
        font-size: 1rem;
        line-height: 2;
    }
    
    .header__nav {
        flex-direction: row;
        gap: var(--spacing-md);
        flex-wrap: wrap;
    }
    
    .nav-link {
        display: inline-block;
    }
    
    .store-info__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        max-width: 90%;
    }
    
    .scroll-to-top {
        width: 50px;
        height: 50px;
        bottom: 1.5rem;
        right: 1.5rem;
    }
    
    .scroll-to-top svg {
        width: 22px;
        height: 22px;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-xxl: 2.5rem;
        --container-padding: 1.25rem;
    }
    
.header {
        /* 高さはautoのまま（画面一杯に広げない） */
        min-height: auto;
        
        /* 上の余白を 5rem (約128px) に増やす */
        /* これにより、ロゴの下に適度な距離を置いてコンテンツが始まります */
        padding: 5rem 0 var(--spacing-md);
    }
    
    .header__container {
        padding-top: 1rem;
    }
    
    .header__logo-fixed {
        position: absolute;
        top: 1rem;
        left: 1rem;
    }
    
    .header__logo-fixed-img {
        width: 50px;
    }
    
    .header__tagline {
        font-size: clamp(0.95rem, 4.5vw, 1.1rem);
        margin-bottom: 0.75rem;
    }
    
    .header__brand-name {
        font-size: clamp(2rem, 10vw, 3rem);
        margin-bottom: var(--spacing-md);
    }
    
    .header__visual {
        margin: var(--spacing-md) 0;
    }
    
    .header__badge {
        /* 上の余白（前回の変更） */
        margin-top: 3rem;
        
        /* 下の余白を追加 (約48px) */
        margin-bottom: 3rem;
    }
    
    .badge {
        font-size: 0.75rem;
        padding: 0.4rem 1.2rem;
    }
    
    .header__nav {
        margin-top: var(--spacing-lg);
    }
    
    .concept {
        padding: var(--spacing-xxl) 0;
    }
    
    .concept__text-block {
        margin-bottom: var(--spacing-md);
    }
    
    .concept__text {
        font-size: 0.9rem;
        line-height: 1.9;
        letter-spacing: 0.03em;
    }
    
    .store-info {
        padding: var(--spacing-xxl) 0;
    }
    
    .store-info__content {
        max-width: 95%;
    }
    
    .info-item {
        padding: var(--spacing-sm) 0;
    }
    
    .info-item__label {
        font-size: 0.8rem;
        margin-bottom: 0.25rem;
    }
    
    .info-item__text {
        font-size: 0.9rem;
    }
    
    .store-info__map {
        min-height: 300px;
    }
    
    .map-placeholder {
        min-height: 300px;
    }
    
    .footer {
        padding: var(--spacing-lg) 0;
    }
    
    .footer__logo-img {
        width: 80px;
    }
    
    .footer__copy {
        font-size: 0.7rem;
    }
    
    .scroll-to-top {
        width: 45px;
        height: 45px;
        bottom: 1rem;
        right: 1rem;
    }
    
    .scroll-to-top svg {
        width: 20px;
        height: 20px;
    }
}