/* ===================================
   グローバル設定
   =================================== */
:root {
    /* カラーパレット */
    --color-bg-primary: #F5F0E8;
    --color-bg-secondary: #E6DCC8;
    --color-bg-light: #FAF8F5;
    --color-text-primary: #2C2C2C;
    --color-text-secondary: #5A5A5A;
    --color-accent: #C8926B;
    --color-accent-hover: #B07A55;
    --color-gold: #D4AF37;
    --color-white: #FFFFFF;
    
    /* フォント */
    --font-serif: 'Noto Serif JP', serif;
    --font-sans: 'Zen Kaku Gothic New', sans-serif;
    
    /* スペーシング */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* トランジション */
    --transition: all 0.3s ease;
}

/* ===================================
   リセット & ベース
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-sans);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    line-height: 1.8;
    overflow-x: hidden;
}

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

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

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

/* ===================================
   ユーティリティクラス
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 500;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
    letter-spacing: 0.05em;
}

/* フェードインアニメーション */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ===================================
   ボタン
   =================================== */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(200, 146, 107, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
}

.btn-secondary:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.1rem;
}

.btn-map {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
    margin-top: var(--spacing-md);
}

.btn-map:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

/* ===================================
   ヘッダー
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.logo img {
    height: 60px;
    width: auto;
    object-fit: contain;
}

.nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-primary);
}

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

.nav-cta {
    background-color: var(--color-accent);
    color: var(--color-white) !important;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
}

.nav-cta:hover {
    background-color: var(--color-accent-hover);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: var(--transition);
}

/* ===================================
   ヒーローセクション
   =================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 70px;
    overflow: hidden;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

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

/* PC用画像はデフォルトで表示 */
.hero-image-desktop {
    display: block !important;
}

/* スマートフォン用画像は非表示 */
.hero-image-mobile {
    display: none !important;
}

.hero-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.1), rgba(0,0,0,0.4));
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-white);
    max-width: 800px;
    padding: var(--spacing-md);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.1em;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero-title-single {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.2em;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
    white-space: nowrap;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    margin-bottom: var(--spacing-lg);
    line-height: 2;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

/* ===================================
   湯治とはセクション
   =================================== */
.toji {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-primary);
}

.toji-title {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 500;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text-primary);
    letter-spacing: 0.05em;
    line-height: 1.8;
}

.toji-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.toji-content p {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    line-height: 2.2;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.toji-spacer {
    height: var(--spacing-md);
    margin: 0 !important;
}

.toji-closing {
    font-weight: 600;
    color: var(--color-accent);
    margin-top: var(--spacing-lg) !important;
}

/* ===================================
   お悩みセクション
   =================================== */
.concerns {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-light);
}

/* お悩みカード */
.concerns-cards {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
    justify-content: center;
}

.concern-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: var(--transition);
    width: calc(33.333% - var(--spacing-md));
    min-width: 280px;
}

.concern-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.concern-icon {
    margin: 0 auto var(--spacing-md);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100px;
}

.concern-icon img {
    max-height: 100px;
    width: auto;
    object-fit: contain;
}

.concern-card-title {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.concern-card-text {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    text-align: left;
}

/* ===================================
   ブリッジセクション
   =================================== */
.bridge {
    padding: calc(var(--spacing-xl) * 1.5) 0;
    background-color: var(--color-bg-secondary);
}

.bridge-title {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 3.5vw, 2.2rem);
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
    letter-spacing: 0.05em;
    line-height: 1.8;
}

.bridge-text {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.bridge-text p {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    line-height: 2.2;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

.bridge-emphasis {
    font-weight: 600;
    color: var(--color-accent);
    margin-top: var(--spacing-lg) !important;
    font-size: 1.2rem !important;
}

/* ===================================
   お客様の声セクション
   =================================== */
.voice {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-primary);
}

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

.voice-item {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.voice-item-reverse {
    grid-template-columns: 1.5fr 1fr;
}

.voice-item-reverse .voice-image {
    order: 2;
}

.voice-item-reverse .voice-content {
    order: 1;
}

.voice-image img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.voice-content {
    padding: var(--spacing-md);
}

.voice-label {
    font-size: 0.9rem;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.voice-content blockquote {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    line-height: 2;
    color: var(--color-text-primary);
    position: relative;
    padding-left: var(--spacing-md);
    border-left: 3px solid var(--color-accent);
}

/* ===================================
   科学的根拠セクション
   =================================== */
.science {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-secondary);
}

.science-lead {
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
}

.science-lead p {
    font-family: var(--font-sans);
    font-size: 1.05rem;
    line-height: 2;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

/* 科学的根拠カード */
.science-cards {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
    justify-content: center;
}

.science-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: var(--transition);
    width: calc(50% - var(--spacing-md));
    min-width: 280px;
}

.science-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.science-icon {
    margin: 0 auto var(--spacing-md);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100px;
}

.science-icon img {
    max-height: 100px;
    width: auto;
    object-fit: contain;
}

.science-card-title {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.science-card-text {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    text-align: left;
}

/* ===================================
   酵素風呂セクション
   =================================== */
.enzyme {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-light);
}

.enzyme-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.enzyme-image img {
    width: 100%;
    height: 450px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

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

.enzyme-feature h3 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.enzyme-feature p {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* 酵素風呂ストーリー */
.enzyme-story {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.enzyme-story p {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    line-height: 2;
    color: var(--color-text-primary);
}

/* ===================================
   オーナーからの手紙セクション
   =================================== */
.owner-letter {
    padding: calc(var(--spacing-xl) * 1.5) 0;
    background-color: var(--color-bg-primary);
}

.owner-content {
    max-width: 900px;
    margin: 0 auto;
}

.owner-timeline {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.owner-timeline img {
    max-width: 600px;
    width: 100%;
    height: auto;
}

.owner-message {
    max-width: 700px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 10px;
}

.owner-message p {
    font-size: 1.05rem;
    line-height: 2.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.owner-intro {
    font-family: var(--font-serif);
    font-size: 1.2rem !important;
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--spacing-lg) !important;
}

.owner-quote {
    font-family: var(--font-serif);
    font-size: 1.3rem !important;
    font-weight: 600;
    color: var(--color-accent);
    text-align: center;
    padding: var(--spacing-md) 0;
    margin: var(--spacing-lg) 0 !important;
    border-top: 2px solid var(--color-accent);
    border-bottom: 2px solid var(--color-accent);
    letter-spacing: 0.1em;
}

.owner-philosophy {
    font-family: var(--font-serif);
    font-size: 1.4rem !important;
    font-weight: 700;
    color: var(--color-accent);
    text-align: center;
    margin: var(--spacing-lg) 0 !important;
    letter-spacing: 0.15em;
}

.owner-signature-block {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg) !important;
}

.owner-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    border: 3px solid var(--color-white);
}

.owner-signature {
    margin: 0 !important;
    font-style: italic;
    font-size: 1.1rem !important;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ===================================
   コースセクション
   =================================== */
.course {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-secondary);
}

.course-lead {
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
}

.course-lead p {
    font-size: 1.05rem;
    line-height: 2.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    max-width: 1100px;
    margin: 0 auto;
}

.course-card {
    background-color: var(--color-white);
    border-radius: 15px;
    padding: var(--spacing-lg);
    text-align: center;
    position: relative;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: var(--transition);
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.course-card-featured {
    border: 3px solid var(--color-accent);
    transform: scale(1.05);
}

.course-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
}

.course-label {
    font-size: 0.9rem;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.course-name {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.course-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
}

.course-price span {
    font-size: 1rem;
    font-weight: 400;
}

.course-validity {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.course-features {
    list-style: none;
    margin: var(--spacing-md) 0;
    text-align: left;
}

.course-features li {
    padding: var(--spacing-xs) 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-text-secondary);
}

.course-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

.course-card .btn {
    width: 100%;
    margin-top: var(--spacing-md);
}

/* ===================================
   ご利用の流れセクション
   =================================== */
.flow {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-light);
}

.flow-title {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 500;
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
    letter-spacing: 0.05em;
    line-height: 1.6;
}

.flow-lead {
    text-align: center;
    font-family: var(--font-serif);
    font-size: 1.1rem;
    line-height: 2;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.flow-note {
    display: block;
    text-align: center;
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.flow-steps {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    max-width: 1100px;
    margin: 0 auto;
    justify-content: center;
}

.flow-step {
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--color-white);
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.05);
    width: calc(25% - var(--spacing-md));
    min-width: 200px;
}

.flow-number {
    display: inline-block;
    width: 60px;
    height: 60px;
    line-height: 60px;
    background-color: var(--color-accent);
    color: var(--color-white);
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.flow-step h3 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.flow-step p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ===================================
   私たちの「湯治」のかたちセクション
   =================================== */
.our-toji {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-secondary);
}

.our-toji-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    max-width: 1100px;
    margin: 0 auto;
}

.our-toji-grid-four {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    max-width: 1100px;
    margin: 0 auto;
}

.our-toji-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.our-toji-subtitle {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.our-toji-text p {
    font-family: var(--font-serif);
    font-size: 1rem;
    line-height: 2;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

/* ===================================
   ソーシャルメディアセクション
   =================================== */
.social-media {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-light);
}

.social-lead {
    text-align: center;
    font-family: var(--font-serif);
    font-size: 1.05rem;
    line-height: 2;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.social-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    max-width: 900px;
    margin: 0 auto;
}

.social-btn {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 15px;
    text-align: center;
    min-width: 220px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: var(--transition);
    text-decoration: none;
    color: var(--color-text-primary);
}

.social-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.social-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-xs);
}

.social-label {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
}

.social-desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ===================================
   個別相談セクション
   =================================== */
.consultation {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-secondary);
}

.consultation-lead {
    text-align: center;
    font-family: var(--font-serif);
    font-size: 1.1rem;
    line-height: 2;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* ===================================
   診断セクション
   =================================== */
.diagnosis {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-primary);
}

.diagnosis-container {
    max-width: 700px;
    margin: 0 auto;
    background-color: var(--color-white);
    border-radius: 15px;
    padding: var(--spacing-lg);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.diagnosis-screen {
    display: none;
}

.diagnosis-screen.active {
    display: block;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.diagnosis-screen h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
}

.diagnosis-screen p {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.diagnosis-button-center {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-md);
}

.diagnosis-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.diagnosis-option {
    padding: 1rem 1.5rem;
    background-color: var(--color-bg-light);
    border: 2px solid var(--color-bg-secondary);
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-primary);
    transition: var(--transition);
    cursor: pointer;
    text-align: left;
}

.diagnosis-option:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
    transform: translateX(10px);
}

#result-content {
    background-color: var(--color-bg-light);
    padding: var(--spacing-md);
    border-radius: 10px;
    margin-bottom: var(--spacing-md);
}

.result-plan {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--color-accent);
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.result-description {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    text-align: center;
}

/* ===================================
   よくある質問セクション
   =================================== */
.faq {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-light);
}

.faq-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    font-size: 1.05rem;
    line-height: 2;
    color: var(--color-text-secondary);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.faq-item {
    background-color: var(--color-white);
    border-radius: 15px;
    padding: var(--spacing-lg);
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(232, 180, 168, 0.15);
}

.faq-item:hover {
    box-shadow: 0 12px 35px rgba(0,0,0,0.12);
    transform: translateY(-5px);
    border-color: rgba(232, 180, 168, 0.3);
}

.faq-question {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
}

.faq-question-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.faq-question-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-accent) 0%, #F5D76E 100%);
    color: var(--color-text-primary);
    font-size: 0.85rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
    margin-right: var(--spacing-xs);
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(251, 202, 77, 0.3);
}

.faq-answer {
    background: linear-gradient(135deg, rgba(232, 180, 168, 0.08) 0%, rgba(245, 240, 232, 0.6) 100%);
    padding: var(--spacing-md);
    border-radius: 10px;
    border-left: 4px solid var(--color-accent-secondary);
    font-size: 1rem;
    line-height: 1.9;
    color: var(--color-text-secondary);
    position: relative;
    overflow: hidden;
}

.faq-answer::before {
    content: '';
    position: absolute;
    top: -10px;
    right: -10px;
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, rgba(251, 202, 77, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.faq-answer strong {
    color: var(--color-text-primary);
}

/* ===================================
   予約セクション
   =================================== */
.reserve {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-light) 100%);
}

.reserve-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.shop-info {
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--color-white);
    border-radius: 15px;
    padding: var(--spacing-lg);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.shop-info h3 {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.info-item {
    padding: var(--spacing-sm);
}

.info-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
}

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

.info-value a {
    color: var(--color-accent);
    font-weight: 600;
}

.info-value a:hover {
    text-decoration: underline;
}

.shop-info .btn-map {
    display: block;
    max-width: 400px;
    margin: var(--spacing-md) auto 0;
}

/* ===================================
   フッター
   =================================== */
.footer {
    background-color: var(--color-text-primary);
    color: var(--color-white);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer-logo img {
    height: 80px;
    margin: 0 auto var(--spacing-md);
}

.footer-copy {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ===================================
   レスポンシブデザイン
   =================================== */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .header .nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--color-white);
        flex-direction: column;
        justify-content: flex-start;
        padding-top: var(--spacing-lg);
        transition: left 0.3s ease;
    }
    
    .header .nav.active {
        left: 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero {
        min-height: 500px;
    }
    
    /* スマートフォンでは画像を切り替え */
    .hero-image-desktop {
        display: none !important;
    }
    
    .hero-image-mobile {
        display: block !important;
    }
    
    .hero-title-single {
        font-size: 1.2rem;
        white-space: normal;
    }
    
    .concerns-cards {
        justify-content: stretch;
    }
    
    .concern-card {
        width: 100%;
        min-width: unset;
    }
    
    .science-cards {
        justify-content: stretch;
    }
    
    .science-card {
        width: 100%;
        min-width: unset;
    }
    
    .voice-item,
    .voice-item-reverse {
        display: flex;
        flex-direction: column;
    }
    
    /* スマートフォンでは全て画像→文字の順に統一（orderをリセット） */
    .voice-item-reverse .voice-image,
    .voice-item-reverse .voice-content {
        order: 0;
    }
    
    .voice-image img {
        height: 300px;
    }
    
    /* 米糠セクション：スマホでは縦並び、画像を大きく */
    .enzyme-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .enzyme-image img {
        height: 500px;
        max-height: 60vh;
    }
    
    .enzyme-text {
        gap: var(--spacing-md);
    }
    
    .enzyme-feature h3 {
        font-size: 1.1rem;
    }
    
    .enzyme-feature p {
        font-size: 0.95rem;
        line-height: 1.9;
    }
    
    /* オーナー写真：スマホ対応 */
    .owner-signature-block {
        justify-content: center;
        gap: var(--spacing-sm);
    }
    
    .owner-photo {
        width: 60px;
        height: 60px;
    }
    
    .owner-signature {
        font-size: 0.9rem !important;
    }
    
    .course-grid {
        grid-template-columns: 1fr;
    }
    
    .course-card-featured {
        transform: scale(1);
    }
    
    .flow-steps {
        justify-content: stretch;
    }
    
    .flow-step {
        width: 100%;
        min-width: unset;
    }
    
    /* FAQセクション：スマホ対応 */
    .faq-intro {
        font-size: 0.95rem;
        line-height: 1.9;
        padding: 0 var(--spacing-sm);
    }
    
    .faq-item {
        padding: var(--spacing-md);
    }
    
    .faq-question {
        font-size: 1rem;
        line-height: 1.6;
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }
    
    .faq-question-icon {
        font-size: 1.3rem;
    }
    
    .faq-question-badge {
        font-size: 0.75rem;
        padding: 3px 8px;
    }
    
    .faq-answer {
        padding: var(--spacing-sm);
        font-size: 0.95rem;
        line-height: 1.85;
    }
    
    .reserve-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .reserve-buttons .btn {
        width: 100%;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .our-toji-grid {
        grid-template-columns: 1fr;
    }
    
    .our-toji-grid-four {
        grid-template-columns: 1fr;
    }
    
    .social-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .social-btn {
        min-width: unset;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 0.875rem 2rem;
        font-size: 0.95rem;
    }
    
    .btn-large {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    .science-grid {
        grid-template-columns: 1fr;
    }
    
    .science-grid img {
        max-width: 100%;
    }
}