/* ===============================================
   Golf Companion Service - Modern Elegant Design
   =============================================== */

/* CSS Custom Properties */
:root {
    /* カラーパレット - エレガントなピンク＆ゴールド */
    --primary-color: #E91E63;
    --primary-dark: #C2185B;
    --primary-light: #FCE4EC;
    --secondary-color: #FFB300;
    --secondary-dark: #FF8F00;
    --accent-color: #8E24AA;
    
    /* グラデーション */
    --gradient-primary: linear-gradient(135deg, #E91E63 0%, #C2185B 100%);
    --gradient-secondary: linear-gradient(135deg, #FFB300 0%, #FF8F00 100%);
    --gradient-hero: linear-gradient(135deg, rgba(233, 30, 99, 0.1) 0%, rgba(194, 24, 91, 0.1) 100%);
    
    /* ニュートラルカラー */
    --white: #FFFFFF;
    --black: #1A1A1A;
    --gray-100: #F8F9FA;
    --gray-200: #E9ECEF;
    --gray-300: #DEE2E6;
    --gray-400: #CED4DA;
    --gray-500: #6C757D;
    --gray-600: #495057;
    --gray-700: #343A40;
    --gray-800: #212529;
    
    /* タイポグラフィ */
    --font-primary: 'Playfair Display', serif;
    --font-secondary: 'Noto Sans JP', sans-serif;
    --font-size-h1: clamp(2.5rem, 5vw, 4rem);
    --font-size-h2: clamp(2rem, 4vw, 3rem);
    --font-size-h3: clamp(1.5rem, 3vw, 2rem);
    --font-size-h4: clamp(1.25rem, 2.5vw, 1.5rem);
    --font-size-body: clamp(1rem, 2vw, 1.125rem);
    --font-size-small: clamp(0.875rem, 1.8vw, 1rem);
    
    /* スペーシング */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* シャドウ */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.25);
    
    /* ボーダーラディウス */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* トランジション */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===============================================
   Base Styles
   =============================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    font-size: var(--font-size-body);
    line-height: 1.7;
    color: var(--gray-800);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===============================================
   Typography
   =============================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-800);
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }
h4 { font-size: var(--font-size-h4); }

p {
    margin-bottom: var(--spacing-sm);
}

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

a:hover {
    color: var(--primary-dark);
}

/* ===============================================
   Header & Navigation
   =============================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(233, 30, 99, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-normal);
}

.header.scrolled::before {
    opacity: 1;
}

.nav {
    padding: var(--spacing-md) 0;
    position: relative;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
}

.nav-container::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--spacing-md);
    right: var(--spacing-md);
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(233, 30, 99, 0.2), transparent);
}

.logo-text {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    position: relative;
    transition: var(--transition-normal);
}

.logo-text:hover {
    transform: scale(1.05);
}

.logo-main {
    display: block;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.8rem;
    position: relative;
    letter-spacing: -0.5px;
}

.logo-main::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-secondary);
    transition: var(--transition-slow);
}

.logo-text:hover .logo-main::after {
    width: 100%;
}

.logo-sub {
    display: block;
    font-size: 0.75rem;
    color: var(--gray-500);
    font-weight: 400;
    margin-top: -3px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0;
    background: rgba(248, 249, 250, 0.8);
    padding: var(--spacing-xs);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(233, 30, 99, 0.1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.nav-menu li {
    position: relative;
}

.nav-link {
    font-weight: 600;
    color: var(--gray-700);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    position: relative;
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 50%;
    left: var(--spacing-xs);
    width: 4px;
    height: 0;
    background: var(--gradient-primary);
    border-radius: 2px;
    transform: translateY(-50%);
    transition: var(--transition-normal);
    opacity: 0;
}

.nav-link:hover::before,
.nav-link.active::before {
    height: 60%;
    opacity: 1;
}

.nav-link:hover {
    color: var(--primary-color);
    background: linear-gradient(135deg, rgba(233, 30, 99, 0.1), rgba(194, 24, 91, 0.05));
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(233, 30, 99, 0.15);
    padding-left: calc(var(--spacing-md) + 8px);
}

.nav-link.active {
    color: var(--primary-color);
    background: linear-gradient(135deg, rgba(233, 30, 99, 0.15), rgba(194, 24, 91, 0.1));
    padding-left: calc(var(--spacing-md) + 8px);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-secondary);
    border-radius: 1px;
    transform: translateX(-50%);
    transition: var(--transition-normal);
}

.nav-link:hover::after {
    width: 80%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: linear-gradient(135deg, rgba(233, 30, 99, 0.1), rgba(194, 24, 91, 0.05));
    border: 1px solid rgba(233, 30, 99, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    cursor: pointer;
    gap: 4px;
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.nav-toggle:hover {
    background: linear-gradient(135deg, rgba(233, 30, 99, 0.15), rgba(194, 24, 91, 0.1));
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(233, 30, 99, 0.2);
}

.nav-toggle span {
    width: 24px;
    height: 3px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 2px;
    transition: all var(--transition-normal);
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
    background: var(--gradient-secondary);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scale(0);
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
    background: var(--gradient-secondary);
}

/* ===============================================
   Hero Section
   =============================================== */

.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 120px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 30% 40%;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    z-index: -1;
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--white);
}

.hero-text {
    max-width: 600px;
    animation: fadeInUp 1s ease;
}

.hero-title {
    margin-bottom: var(--spacing-md);
}

.title-main {
    display: block;
    font-family: var(--font-primary);
    font-size: clamp(3rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #FFFFFF 0%, #FFE0B2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-sub {
    display: block;
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 400;
    color: rgba(255, 255, 255, 0.9);
    margin-top: var(--spacing-xs);
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.hero-description {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.companion-notice {
    background: rgba(255, 193, 7, 0.9);
    color: var(--gray-800);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
    box-shadow: var(--shadow-md);
    animation: pulse 2s infinite;
}

.companion-notice i {
    font-size: 1.2rem;
    color: var(--secondary-dark);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ===============================================
   Buttons
   =============================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-secondary);
    font-size: var(--font-size-body);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-calculate {
    background: var(--gradient-secondary);
    color: var(--white);
    width: 100%;
    justify-content: center;
    margin-top: var(--spacing-md);
}

.btn-submit {
    width: 100%;
    justify-content: center;
    margin-top: var(--spacing-md);
}

/* ===============================================
   Section Headers
   =============================================== */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    position: relative;
    margin-bottom: var(--spacing-md);
}

.title-decoration {
    display: block;
    font-family: var(--font-primary);
    font-size: clamp(1rem, 2vw, 1.2rem);
    font-weight: 400;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-xs);
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===============================================
   Services Section
   =============================================== */

.services {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--white) 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.service-content {
    padding: var(--spacing-lg);
}

.service-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-h4);
    margin-bottom: var(--spacing-sm);
    color: var(--gray-800);
}

.service-title i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.service-price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.price-unit {
    font-size: 1rem;
    font-weight: 400;
    color: var(--gray-500);
}

.service-description {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.service-note {
    background: var(--primary-light);
    color: var(--primary-dark);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-small);
    font-weight: 500;
    border-left: 4px solid var(--primary-color);
}

/* ===============================================
   Pricing Section
   =============================================== */

.pricing {
    padding: var(--spacing-xxl) 0;
    background: var(--white);
}

.pricing-calculator {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.calculator-form {
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--white) 100%);
}

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

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xs);
}

.form-control {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-body);
    transition: var(--transition-fast);
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(233, 30, 99, 0.1);
}

.calculation-result {
    padding: var(--spacing-xl);
    background: var(--white);
}

.calculation-result h3 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--gray-800);
}

.result-breakdown {
    background: var(--gray-100);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-300);
}

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

.breakdown-item.total {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
    border-top: 2px solid var(--primary-color);
    padding-top: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.breakdown-item.tax {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--secondary-color);
}

.item-label {
    color: var(--gray-700);
}

.item-value {
    font-weight: 600;
    color: var(--gray-800);
}

.important-notice {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
    color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 500;
    text-align: center;
    justify-content: center;
}

/* ===============================================
   Features Section
   =============================================== */

.features {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--white) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.feature-icon i {
    font-size: 2rem;
    color: var(--white);
}

.feature-title {
    font-size: var(--font-size-h4);
    margin-bottom: var(--spacing-md);
    color: var(--gray-800);
}

.feature-description {
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===============================================
   Contact Section
   =============================================== */

.contact {
    padding: var(--spacing-xxl) 0;
    background: var(--white);
}

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

.contact-info-center h3 {
    margin-bottom: var(--spacing-xl);
    color: var(--gray-800);
    font-size: var(--font-size-h3);
}

.contact-items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--white), var(--gray-100));
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    text-align: left;
}

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

.contact-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-top: 4px;
    min-width: 32px;
    background: linear-gradient(135deg, var(--primary-light), rgba(233, 30, 99, 0.1));
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-item strong {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--gray-800);
    font-size: 1.1rem;
}

.contact-item p {
    margin: 0;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.2rem;
}

.contact-item small {
    color: var(--gray-600);
    font-size: var(--font-size-small);
    display: block;
    margin-top: var(--spacing-xs);
}

.important-notice-contact {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-weight: 500;
    margin-top: var(--spacing-xl);
    font-size: 1.1rem;
    box-shadow: var(--shadow-lg);
}

/* ===============================================
   Footer
   =============================================== */

.footer {
    background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-700) 100%);
    color: var(--white);
    padding: var(--spacing-xxl) 0 var(--spacing-md);
}

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

.footer-title {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.footer-stats {
    display: flex;
    gap: var(--spacing-lg);
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-color);
    font-family: var(--font-primary);
}

.stat-label {
    display: block;
    font-size: var(--font-size-small);
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: flex;
    gap: var(--spacing-xl);
}

.link-column h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-h4);
}

.link-column ul {
    list-style: none;
}

.link-column li {
    margin-bottom: var(--spacing-xs);
}

.link-column a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition-fast);
}

.link-column a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-notice {
    background: rgba(255, 193, 7, 0.2);
    color: var(--secondary-color);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 500;
    font-size: var(--font-size-small);
}

.copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-small);
    margin: 0;
}

/* ===============================================
   Animations
   =============================================== */

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
}

/* ===============================================
   Responsive Design
   =============================================== */

@media (max-width: 768px) {
    .nav {
        padding: var(--spacing-sm) 0;
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: var(--spacing-md);
        right: var(--spacing-md);
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(248, 249, 250, 0.9));
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
        border-radius: var(--radius-xl);
        border: 1px solid rgba(233, 30, 99, 0.1);
        transform: translateY(-20px);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-slow);
        gap: var(--spacing-xs);
        margin-top: var(--spacing-sm);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-menu .nav-link {
        width: 100%;
        padding: var(--spacing-md);
        border-radius: var(--radius-md);
        justify-content: flex-start;
        font-size: 1rem;
        margin-bottom: var(--spacing-xs);
        background: rgba(255, 255, 255, 0.5);
        border: 1px solid rgba(233, 30, 99, 0.05);
    }
    
    .nav-menu .nav-link:hover {
        background: linear-gradient(135deg, rgba(233, 30, 99, 0.1), rgba(194, 24, 91, 0.05));
        transform: translateX(8px);
        padding-left: var(--spacing-md);
        border-color: rgba(233, 30, 99, 0.2);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero {
        padding-top: 90px;
    }
    
    .hero-image {
        object-position: 25% 35%;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .contact-items-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-stats {
        justify-content: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .footer-bottom {
        justify-content: center;
        text-align: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* 追加のレスポンシブ調整 */
@media (max-width: 1024px) {
    .hero {
        padding-top: 100px;
    }
    
    .hero-image {
        object-position: 35% 45%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero {
        padding-top: 80px;
    }
    
    .hero-image {
        object-position: 20% 30%;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

/* 大画面での最適化 */
@media (min-width: 1400px) {
    .hero {
        padding-top: 140px;
    }
    
    .hero-image {
        object-position: 40% 50%;
    }
}