/* ========================================
   グローバルスタイル
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* カラーパレット */
    --primary-blue: #1e3a8a;
    --primary-blue-light: #3b82f6;
    --accent-orange: #f59e0b;
    --accent-orange-dark: #ea580c;
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --bg-white: #ffffff;
    --bg-light: #f3f4f6;
    --bg-blue-light: #eff6ff;
    --border-color: #e5e7eb;
    
    /* フォント */
    --font-primary: 'Noto Sans JP', sans-serif;
    
    /* シャドウ */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
    
    /* トランジション */
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   ヘッダー
======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    box-shadow: var(--shadow-md);
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.logo h1 {
    font-size: 20px;
    font-weight: 900;
    color: var(--bg-white);
    margin-bottom: 2px;
}

.logo-sub {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
}

.nav-list {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-list a {
    color: var(--bg-white);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition);
    padding: 8px 0;
    position: relative;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-orange);
    transition: var(--transition);
}

.nav-list a:hover::after {
    width: 100%;
}

.header-cta {
    padding: 12px 24px;
    font-size: 14px;
}

/* ハンバーガーメニュー */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--bg-white);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ========================================
   ボタン
======================================== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    border-radius: 50px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-orange-dark) 100%);
    color: var(--bg-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-large {
    padding: 18px 48px;
    font-size: 18px;
}

/* ========================================
   ファーストビュー
======================================== */
.hero {
    position: relative;
    min-height: 520px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    margin-top: 64px;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><circle cx="200" cy="150" r="300" fill="rgba(255,255,255,0.03)"/><circle cx="1000" cy="600" r="400" fill="rgba(255,255,255,0.03)"/></svg>');
    background-size: cover;
}

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

.hero-title {
    font-size: 42px;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.3;
}

.hero-subtitle {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 40px;
    line-height: 1.6;
}

/* ========================================
   セクション
======================================== */
.section {
    padding: 100px 0;
}

.section-alt {
    background: linear-gradient(to bottom, var(--bg-blue-light) 0%, var(--bg-light) 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--accent-orange);
    background: rgba(245, 158, 11, 0.1);
    padding: 8px 24px;
    border-radius: 50px;
    margin-bottom: 16px;
}

.section-title {
    font-size: 36px;
    font-weight: 900;
    color: var(--text-dark);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, var(--accent-orange), var(--accent-orange-dark));
    border-radius: 2px;
}

/* ========================================
   サービス概要
======================================== */
.overview-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.overview-text {
    font-size: 18px;
    line-height: 2;
    color: var(--text-gray);
}

/* ========================================
   サービス内容
======================================== */
.service-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.service-category {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.service-category-title {
    font-size: 24px;
    font-weight: 900;
    color: var(--primary-blue);
    margin-bottom: 30px;
    padding-bottom: 16px;
    border-bottom: 3px solid var(--accent-orange);
}

.service-items {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.service-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-light);
    border-radius: 10px;
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
}

.service-item i {
    color: var(--primary-blue-light);
    font-size: 18px;
}

.service-item:hover {
    background: var(--bg-blue-light);
    transform: translateX(8px);
}

/* ========================================
   巡回清掃内容
======================================== */
.cleaning-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.cleaning-card {
    background: var(--bg-white);
    padding: 32px 20px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.cleaning-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(to right, var(--primary-blue), var(--primary-blue-light));
    transform: scaleX(0);
    transition: var(--transition);
}

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

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

.cleaning-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 32px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.cleaning-card:hover .cleaning-icon {
    transform: rotate(360deg) scale(1.1);
}

.cleaning-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.cleaning-desc {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
}

/* ========================================
   料金例
======================================== */
.price-content {
    max-width: 900px;
    margin: 0 auto;
}

.price-intro {
    text-align: center;
    font-size: 16px;
    line-height: 2;
    color: var(--text-gray);
    margin-bottom: 40px;
}

.price-table-wrapper {
    background: var(--bg-white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 40px;
}

.price-table {
    width: 100%;
    border-collapse: collapse;
}

.price-table thead {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    color: var(--bg-white);
}

.price-table th,
.price-table td {
    padding: 20px;
    text-align: left;
    font-size: 16px;
}

.price-table th {
    font-weight: 700;
}

.price-table tbody tr {
    border-bottom: 1px solid var(--border-color);
}

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

.price-amount {
    font-size: 22px;
    font-weight: 900;
    color: var(--accent-orange);
}

.price-note {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.8;
    padding: 0 20px;
}

/* ========================================
   利用の流れ
======================================== */
.flow-steps {
    max-width: 900px;
    margin: 0 auto;
}

.flow-step {
    display: flex;
    gap: 32px;
    margin-bottom: 48px;
    align-items: flex-start;
}

.flow-step:last-child {
    margin-bottom: 0;
}

.flow-number {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 900;
    box-shadow: var(--shadow-md);
}

.flow-content {
    flex: 1;
    background: var(--bg-white);
    padding: 28px 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.flow-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 12px;
}

.flow-desc {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
}

/* ========================================
   特長
======================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--bg-white);
    padding: 40px 28px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at top, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover::before {
    opacity: 1;
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-orange-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 36px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-title {
    font-size: 19px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.feature-desc {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* ========================================
   対応エリア
======================================== */
.area-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.area-card {
    background: var(--bg-white);
    padding: 32px 20px;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.area-card i {
    font-size: 40px;
    color: var(--accent-orange);
    margin-bottom: 16px;
}

.area-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
}

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

/* ========================================
   代表挨拶
======================================== */
.message-content {
    display: flex;
    gap: 60px;
    align-items: flex-start;
    max-width: 1000px;
    margin: 0 auto;
    background: var(--bg-white);
    padding: 60px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.message-image {
    flex-shrink: 0;
}

.message-image-placeholder {
    width: 220px;
    height: 220px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 80px;
    box-shadow: var(--shadow-lg);
}

.message-text {
    flex: 1;
}

.message-text p {
    font-size: 16px;
    line-height: 2;
    color: var(--text-gray);
    margin-bottom: 20px;
}

.message-text p:last-of-type {
    margin-bottom: 40px;
}

.message-signature {
    text-align: right;
    padding-top: 20px;
    border-top: 2px solid var(--border-color);
}

.signature-company {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.signature-name {
    font-size: 18px;
    font-weight: 900;
    color: var(--primary-blue);
}

/* ========================================
   会社概要
======================================== */
.company-info {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-white);
    padding: 48px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.company-table {
    width: 100%;
    border-collapse: collapse;
}

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

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

.company-table th,
.company-table td {
    padding: 20px;
    text-align: left;
    font-size: 16px;
}

.company-table th {
    font-weight: 700;
    color: var(--primary-blue);
    width: 180px;
    background: var(--bg-light);
}

.company-table td {
    color: var(--text-dark);
}

.company-table a {
    color: var(--accent-orange);
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
}

.company-table a:hover {
    text-decoration: underline;
}

/* ========================================
   お問い合わせフォーム（Googleフォーム）
======================================== */
.section-contact {
    background: linear-gradient(135deg, var(--bg-blue-light) 0%, var(--bg-white) 50%, var(--bg-blue-light) 100%);
}

.section-subtitle {
    text-align: center;
    font-size: 16px;
    color: var(--text-gray);
    margin-top: 16px;
    font-weight: 500;
}

.contact-content {
    max-width: 1000px;
    margin: 0 auto;
}

/* お問い合わせ方法の選択ボックス */
.contact-info-box {
    background: var(--bg-white);
    border-radius: 24px;
    padding: 60px 48px;
    box-shadow: var(--shadow-xl);
    margin-bottom: 48px;
    text-align: center;
}

.contact-method-single {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    max-width: 600px;
    margin: 0 auto;
}

.contact-method {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 24px;
}

.contact-method-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    color: var(--bg-white);
    flex-shrink: 0;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.phone-icon {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.form-icon {
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-orange-dark) 100%);
}

.contact-method-single:hover .contact-method-icon {
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 20px 60px rgba(16, 185, 129, 0.3);
}

.contact-method:hover .contact-method-icon {
    transform: scale(1.1) rotate(5deg);
}

.contact-method-content {
    flex: 1;
}

.contact-method-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.contact-method-desc {
    font-size: 16px;
    color: var(--text-gray);
    margin-bottom: 20px;
}

.contact-tel-link {
    display: inline-block;
    font-size: 36px;
    font-weight: 900;
    color: #10b981;
    text-decoration: none;
    transition: var(--transition);
    position: relative;
    padding: 12px 32px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.1) 100%);
    border-radius: 16px;
    border: 2px solid rgba(16, 185, 129, 0.2);
}

.contact-tel-link::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 32px;
    width: 0;
    height: 3px;
    background: #10b981;
    transition: var(--transition);
    border-radius: 2px;
}

.contact-tel-link:hover {
    color: #059669;
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.2);
    border-color: #10b981;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(5, 150, 105, 0.15) 100%);
}

.contact-tel-link:hover::after {
    width: calc(100% - 64px);
}

/* 区切り線 */
.contact-divider {
    position: relative;
    width: 1px;
    height: 100px;
    background: linear-gradient(to bottom, transparent 0%, var(--border-color) 50%, transparent 100%);
    flex-shrink: 0;
}

.contact-divider span {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-white);
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 700;
    color: var(--text-gray);
    white-space: nowrap;
    border-radius: 20px;
    border: 2px solid var(--border-color);
}

/* Googleフォームコンテナ */
.google-form-container {
    position: relative;
}

.google-form-container::before {
    content: '';
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-blue), var(--accent-orange));
    border-radius: 2px;
}

.google-form-wrapper {
    background: var(--bg-white);
    padding: 24px;
    border-radius: 24px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
    position: relative;
}

.google-form-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(to right, var(--primary-blue) 0%, var(--primary-blue-light) 50%, var(--accent-orange) 100%);
}

.google-form-wrapper iframe {
    display: block;
    width: 100%;
    min-height: 1200px;
    border: none;
    border-radius: 16px;
}

.form-note {
    text-align: center;
    padding: 24px;
    background: rgba(59, 130, 246, 0.05);
    border-radius: 16px;
    margin-top: 24px;
    border: 1px dashed var(--primary-blue-light);
}

.form-note p {
    font-size: 14px;
    color: var(--text-gray);
    margin: 0;
    line-height: 1.6;
}

.form-note i {
    color: var(--primary-blue-light);
    margin-right: 8px;
    font-size: 16px;
}

/* ========================================
   フッター
======================================== */
.footer {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    color: var(--bg-white);
    padding: 60px 0 32px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-info h3 {
    font-size: 24px;
    font-weight: 900;
    margin-bottom: 16px;
}

.footer-info p {
    font-size: 15px;
    line-height: 1.8;
    opacity: 0.9;
}

.footer-info a {
    color: var(--bg-white);
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
}

.footer-info a:hover {
    color: var(--accent-orange);
}

.footer-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.footer-links a {
    color: var(--bg-white);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-orange);
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-bottom p {
    font-size: 14px;
    opacity: 0.8;
}

/* ========================================
   アニメーション
======================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ========================================
   レスポンシブ対応
======================================== */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cleaning-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    /* ヘッダー */
    .header-content {
        padding: 12px 0;
    }
    
    .logo h1 {
        font-size: 16px;
    }
    
    .logo-sub {
        font-size: 11px;
    }
    
    .nav {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
        padding: 20px;
        transform: translateX(-100%);
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
    }
    
    .nav.active {
        transform: translateX(0);
    }
    
    .nav-list {
        flex-direction: column;
        gap: 16px;
    }
    
    .hamburger {
        display: flex;
    }
    
    .header-cta {
        display: none;
    }
    
    /* ファーストビュー */
    .hero {
        min-height: 420px;
        margin-top: 56px;
    }
    
    .hero-title {
        font-size: 26px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    /* セクション */
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    /* サービス */
    .service-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    /* 清掃内容 */
    .cleaning-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    /* 利用の流れ */
    .flow-step {
        flex-direction: column;
        gap: 20px;
    }
    
    .flow-number {
        width: 60px;
        height: 60px;
        font-size: 22px;
    }
    
    /* 特長 */
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    /* エリア */
    .area-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* 代表挨拶 */
    .message-content {
        flex-direction: column;
        padding: 40px 24px;
        gap: 32px;
    }
    
    .message-image-placeholder {
        width: 160px;
        height: 160px;
        font-size: 60px;
        margin: 0 auto;
    }
    
    /* お問い合わせ */
    .contact-info-box {
        padding: 40px 24px;
    }
    
    .contact-method-single {
        gap: 20px;
    }
    
    .contact-method-icon {
        width: 80px;
        height: 80px;
        font-size: 32px;
    }
    
    .contact-method-title {
        font-size: 20px;
    }
    
    .contact-method-desc {
        font-size: 14px;
    }
    
    .contact-tel-link {
        font-size: 28px;
        padding: 10px 24px;
    }
    
    .contact-tel-link::after {
        left: 24px;
    }
    
    .contact-tel-link:hover::after {
        width: calc(100% - 48px);
    }
    
    .google-form-wrapper {
        padding: 16px;
    }
    
    .google-form-wrapper iframe {
        min-height: 1400px;
    }
    
    /* フッター */
    .footer-content {
        flex-direction: column;
        gap: 32px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 22px;
    }
    
    .hero-subtitle {
        font-size: 14px;
    }
    
    .btn-large {
        padding: 14px 32px;
        font-size: 16px;
    }
    
    .cleaning-grid {
        grid-template-columns: 1fr;
    }
    
    .area-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-tel-link {
        font-size: 22px;
        padding: 8px 20px;
    }
    
    .contact-tel-link::after {
        left: 20px;
    }
    
    .contact-tel-link:hover::after {
        width: calc(100% - 40px);
    }
    
    .company-info {
        padding: 32px 20px;
    }
    
    .company-table th {
        width: 120px;
        font-size: 14px;
    }
    
    .company-table td {
        font-size: 14px;
    }
}