/* =============================================
   WALKSでんき スタイルシート
   モバイルファースト設計
   ============================================= */

/* CSS Variables */
:root {
    /* Colors - WALKSでんき Theme (Sky Blue & Orange) */
    --color-primary: #2CA9E1;
    --color-primary-dark: #1E90CC;
    --color-primary-light: #5BBFED;
    --color-accent: #F5A623;
    --color-accent-light: #F7B84D;

    --color-text: #333333;
    --color-text-light: #666666;
    --color-text-muted: #999999;

    --color-bg: #ffffff;
    --color-bg-light: #f8f9fa;
    --color-bg-dark: #1A3A50;

    --color-border: #e0e0e0;
    --color-shadow: rgba(0, 0, 0, 0.1);

    /* Typography */
    --font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-xs: 12px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    --font-size-3xl: 40px;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;

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

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;

    /* Icon Colors */
    --icon-primary: #2CA9E1;
    --icon-secondary: #1A3A50;
    --icon-muted: #6B7280;
    --icon-success: #10b981;
    --icon-warning: #D97706;
}

/* =============================================
   SVG Icon System
   ============================================= */
.icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--icon-primary);
}

.icon svg {
    width: 24px !important;
    height: 24px !important;
    stroke: currentColor !important;
    stroke-width: 1.5 !important;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none !important;
}

.icon--sm svg {
    width: 18px !important;
    height: 18px !important;
}

.icon--md svg {
    width: 24px !important;
    height: 24px !important;
}

.icon--lg svg {
    width: 32px !important;
    height: 32px !important;
}

.icon--xl svg {
    width: 40px !important;
    height: 40px !important;
}

.icon--primary {
    color: var(--icon-primary);
}

.icon--secondary {
    color: var(--icon-secondary);
}

.icon--success {
    color: var(--icon-success);
}

.icon--warning {
    color: var(--icon-warning);
}

.icon--white {
    color: #ffffff;
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

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

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

ul,
ol {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* =============================================
   Header
   ============================================= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

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

.header__logo a {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-primary);
}

.header__logo-img {
    height: 36px;
    width: auto;
}

@media (min-width: 768px) {
    .header__logo-img {
        height: 44px;
    }
}

.header__contact {
    display: none;
}

.header__phone {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-accent) 0%, #e8941f 100%);
    color: #fff;
    font-weight: 700;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    box-shadow: 0 3px 12px rgba(245, 166, 35, 0.35);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.header__phone::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0) 50%);
    pointer-events: none;
}

.header__phone:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 18px rgba(245, 166, 35, 0.45);
}

.header__phone-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    flex-shrink: 0;
}

.header__phone-icon svg {
    stroke: #fff;
    width: 16px;
    height: 16px;
}

.header__phone-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.3;
}

.header__phone-number {
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 0.5px;
}

.header__phone-time {
    font-size: 10px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
}

@media (min-width: 768px) {
    .header__contact {
        display: flex;
    }

    .header__phone-number {
        font-size: 20px;
    }
}

/* =============================================
   Hero Section
   ============================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('images/hero1.jpg') center/cover no-repeat;
    padding: var(--spacing-3xl) var(--spacing-md);
    padding-top: 100px;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom,
            rgba(44, 169, 225, 0.65) 0%,
            rgba(44, 169, 225, 0.55) 50%,
            rgba(44, 169, 225, 0.7) 100%);
}

.hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
    max-width: 800px;
}

.hero__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: var(--spacing-md);
}

.hero__subtitle {
    font-size: var(--font-size-base);
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

.hero__badges {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.15);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    backdrop-filter: blur(5px);
}

.badge__check {
    color: var(--color-accent-light);
    font-weight: 700;
}

.badge__text {
    font-size: var(--font-size-sm);
}

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

.hero__cta-note {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

@media (min-width: 768px) {
    .hero {
        min-height: 90vh;
    }

    .hero__title {
        font-size: var(--font-size-3xl);
    }

    .hero__subtitle {
        font-size: var(--font-size-lg);
    }

    .hero__badges {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }

    .badge__text {
        font-size: var(--font-size-base);
    }
}

/* =============================================
   CTA Buttons
   ============================================= */
.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: var(--font-size-base);
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
}

.cta-button--phone {
    background: #fff;
    color: var(--color-primary);
    font-size: var(--font-size-lg);
}

.cta-button--phone:hover {
    background: var(--color-bg-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.cta-button--primary {
    background: var(--color-accent);
    color: #fff;
}

.cta-button--primary:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.cta-button--secondary {
    background: #fff;
    color: var(--color-primary);
    border: 2px solid #fff;
}

.cta-button--secondary:hover {
    background: transparent;
    color: #fff;
}

.cta-button--large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-xl);
}

.cta-button__icon {
    font-size: 1.2em;
}

/* =============================================
   Sections - Common Styles
   ============================================= */
.section {
    padding: var(--spacing-3xl) 0;
}

.section__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text);
    position: relative;
}

.section__title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--color-primary);
    margin: var(--spacing-md) auto 0;
    border-radius: var(--radius-full);
}

.section__title--white {
    color: #fff;
}

.section__title--white::after {
    background: #fff;
}

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

.lead {
    font-size: var(--font-size-lg);
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

@media (min-width: 768px) {
    .section {
        padding: var(--spacing-3xl) 0;
    }

    .section__title {
        font-size: var(--font-size-2xl);
    }
}

/* =============================================
   Why Section
   ============================================= */
.section--why {
    background: var(--color-bg-light);
}

.section__desc {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.8;
}

.why-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

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

.why-card {
    display: flex;
    gap: var(--spacing-md);
    background: #fff;
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
    align-items: flex-start;
}

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

.why-card__icon {
    flex-shrink: 0;
    width: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 2px;
}

.why-card__content {
    flex: 1;
    min-width: 0;
}

.why-card__title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.why-card__text {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.8;
}

.text-content p {
    margin-bottom: var(--spacing-md);
}

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

.check-list li {
    position: relative;
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
}

.check-list li::before {
    content: '•';
    position: absolute;
    left: var(--spacing-sm);
    color: var(--color-primary);
    font-weight: 700;
}

.image-content {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* =============================================
   Power Company Section
   ============================================= */
.section--powercompany {
    background: var(--color-bg);
}

.section--powercompany .section__content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.image-content--wide {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.powercompany-points {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.powercompany-point {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    background: var(--color-bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
}

.powercompany-point__color {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-sm);
}

.powercompany-point__color--blue {
    background: #3498db;
}

.powercompany-point__color--orange {
    background: #e67e22;
}

.powercompany-point p {
    font-size: var(--font-size-sm);
    margin: 0;
    line-height: 1.6;
}

.text-content--explanation {
    background: var(--color-bg-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
}

.text-content--explanation p {
    margin-bottom: var(--spacing-md);
}

.text-content--explanation p:last-child {
    margin-bottom: 0;
}

.highlight-message {
    color: var(--color-primary);
    font-weight: 500;
    font-size: var(--font-size-lg);
    line-height: 1.8;
}

@media (max-width: 767px) {
    .powercompany-points {
        grid-template-columns: 1fr;
    }
}

/* =============================================
   Risk Section
   ============================================= */
.risk-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.risk-card {
    background: var(--color-bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--color-border);
}

.risk-card__icon {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
}

.risk-card__text {
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.note {
    text-align: center;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

@media (min-width: 768px) {
    .risk-cards {
        grid-template-columns: repeat(4, 1fr);
    }

    .risk-card__text {
        font-size: var(--font-size-base);
    }
}

/* =============================================
   Flow Section
   ============================================= */
.section--flow {
    background: var(--color-bg-light);
}

.flow-steps {
    max-width: 700px;
    margin: 0 auto;
}

.flow-step {
    position: relative;
    padding-left: var(--spacing-3xl);
    padding-bottom: var(--spacing-xl);
    border-left: 2px solid var(--color-primary);
}

.flow-step:last-child {
    border-left-color: transparent;
    padding-bottom: 0;
}

.flow-step__number {
    position: absolute;
    left: -16px;
    top: 0;
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-sm);
}

.flow-step__title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.flow-step__tag {
    display: inline-block;
    background: var(--color-accent);
    color: #fff;
    font-size: var(--font-size-xs);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    margin-left: var(--spacing-sm);
    vertical-align: middle;
}

.flow-step__desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.8;
}

/* =============================================
   Price Section - New Design
   ============================================= */

/* 料金に含まれるものカード */
.price-includes-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.price-includes-card__title {
    text-align: center;
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-xl);
}

.price-includes-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.price-includes-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.price-includes-item__icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #E8F7FC;
    border-radius: 8px;
    font-size: 20px;
}

.price-includes-item__text {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text);
}

/* 出張・お見積もり無料バナー */
.price-free-banner {
    background: #f0fdf4;
    border: 2px solid #22c55e;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.price-free-banner__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: #16a34a;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.price-free-banner__check {
    font-size: var(--font-size-lg);
}

.price-free-banner__text {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.8;
}

/* 料金注記 */
.price-note-small {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

/* 料金目安ボックス */
.price-estimate-box {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.price-estimate-box__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.price-estimate-box__price {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.2;
}

.price-estimate-box__tax {
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--color-text-light);
}

/* カスタム料金説明 */
.price-custom-note {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto;
}

/* レスポンシブ対応 */
@media (max-width: 767px) {
    .price-includes-card {
        padding: var(--spacing-lg);
    }

    .price-includes-grid {
        grid-template-columns: 1fr;
    }

    .price-includes-item {
        padding: var(--spacing-md);
    }

    .price-free-banner {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .price-free-banner__title {
        font-size: var(--font-size-lg);
    }

    .price-free-banner__text br {
        display: none;
    }

    .price-estimate-box__price {
        font-size: 36px;
    }
}


/* =============================================
   FAQ Section
   ============================================= */
.section--faq {
    background: var(--color-bg-light);
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    background: #fff;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-item__question,
.faq-item__answer {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
}

.faq-item__question {
    background: #fff;
    border-bottom: 1px solid var(--color-border);
}

.faq-item__answer {
    background: var(--color-bg-light);
}

.faq-item__q,
.faq-item__a {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-sm);
}

.faq-item__q {
    background: var(--color-primary);
    color: #fff;
}

.faq-item__a {
    background: var(--color-accent);
    color: #fff;
}

.faq-item__text {
    font-size: var(--font-size-sm);
    line-height: 1.8;
}

@media (min-width: 768px) {
    .faq-item__text {
        font-size: var(--font-size-base);
    }
}

/* =============================================
   Cooling Off Section
   ============================================= */
.coolingoff-box {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.coolingoff-box p {
    margin-bottom: var(--spacing-md);
}

.coolingoff-message {
    background: var(--color-bg-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-xl);
    border-left: 4px solid var(--color-primary);
}

.coolingoff-message .highlight {
    color: var(--color-primary);
    font-weight: 700;
    margin-top: var(--spacing-md);
}

/* =============================================
   About Section
   ============================================= */
.section--about {
    background: var(--color-bg-light);
}

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

.company-info {
    margin: var(--spacing-xl) 0;
}

.company-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.company-table th,
.company-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    font-size: var(--font-size-sm);
}

.company-table th {
    background: var(--color-bg-light);
    font-weight: 500;
    width: 30%;
    color: var(--color-text-light);
}

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

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.stat-item {
    background: #fff;
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.stat-item__value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.stat-item__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
}

@media (min-width: 768px) {

    .company-table th,
    .company-table td {
        font-size: var(--font-size-base);
    }

    .stat-item__value {
        font-size: var(--font-size-2xl);
    }
}

/* =============================================
   Guarantee Section
   ============================================= */
.guarantee-card-wrapper {
    position: relative;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
}

.guarantee-ribbon {
    position: absolute;
    top: 16px;
    right: -35px;
    background: linear-gradient(135deg, #F5A623, #e8941c);
    color: #fff;
    font-size: var(--font-size-sm);
    font-weight: 700;
    padding: 6px 40px;
    transform: rotate(45deg);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.guarantee-intro {
    text-align: center;
    font-size: var(--font-size-base);
    color: var(--color-text);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

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

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

.guarantee-column__title {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

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

.guarantee-list li {
    position: relative;
    padding-left: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.guarantee-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

.guarantee-column__text {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    line-height: 1.8;
}

/* =============================================
   CTA Section
   ============================================= */
.section--cta {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    text-align: center;
}

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

.cta-note {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

.cta-message {
    font-size: var(--font-size-sm);
    opacity: 0.9;
    line-height: 1.8;
    margin-top: var(--spacing-md);
}

.cta-button--large {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #fff;
    color: var(--color-primary);
    padding: var(--spacing-lg) var(--spacing-2xl);
    border-radius: var(--radius-lg);
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s, box-shadow 0.3s;
}

.cta-button--large:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.2);
}

.cta-button__label {
    font-size: var(--font-size-base);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.cta-button__number {
    font-size: var(--font-size-2xl);
    font-weight: 700;
}

/* =============================================
   Footer
   ============================================= */
.footer {
    background: var(--color-bg-dark);
    color: #fff;
    padding: var(--spacing-2xl) 0;
}

.footer__main {
    display: grid;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer__logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.footer__logo-img {
    height: 40px;
    width: auto;
}

.footer__tagline {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

.footer__info {
    font-size: var(--font-size-sm);
    line-height: 2;
    opacity: 0.9;
}

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

.footer__license {
    font-size: var(--font-size-xs);
    opacity: 0.6;
    margin-bottom: var(--spacing-md);
}

.footer__nav a {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

.footer__nav a:hover {
    opacity: 1;
}

.footer__copyright {
    font-size: var(--font-size-xs);
    opacity: 0.6;
    margin-top: var(--spacing-md);
}

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

/* Footer Sitemap */
.footer__sitemap {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    padding: var(--spacing-xl) 0;
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
    .footer__sitemap {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer__sitemap-section {
    min-width: 0;
}

.footer__sitemap-title {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-md);
}

.footer__sitemap-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer__sitemap-list li {
    margin-bottom: var(--spacing-sm);
}

.footer__sitemap-list a {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.2s ease, padding-left 0.2s ease;
    display: block;
}

.footer__sitemap-list a:hover {
    color: #fff;
    padding-left: var(--spacing-xs);
}


/* =============================================
   Utility Classes
   ============================================= */
strong {
    font-weight: 700;
    color: var(--color-primary);
}

/* Smooth scroll offset for fixed header */
section[id] {
    scroll-margin-top: 80px;
}

/* Mobile Fixed CTA */
@media (max-width: 767px) {
    .mobile-cta {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: var(--color-primary);
        padding: var(--spacing-md);
        z-index: 999;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
    }

    .mobile-cta a {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: var(--spacing-sm);
        color: #fff;
        font-weight: 700;
        font-size: var(--font-size-lg);
    }
}

/* =============================================
   Lightbox
   ============================================= */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.9);
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    cursor: pointer;
}

.lightbox__image {
    max-width: 95%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox__close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 40px;
    color: #fff;
    cursor: pointer;
    transition: color 0.2s;
}

.lightbox__close:hover {
    color: var(--color-accent-light);
}

/* Clickable Image */
.image-content--clickable {
    cursor: pointer;
    position: relative;
    transition: transform 0.3s ease;
}

.image-content--clickable:hover {
    transform: scale(1.02);
}

.image-content--clickable img {
    transition: box-shadow 0.3s ease;
}

.image-content--clickable:hover img {
    box-shadow: var(--shadow-lg);
}

/* Image Caption */
.image-caption {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
    font-style: italic;
}

/* =============================================
   Cooling Off Section - New Design
   ============================================= */
.section--coolingoff-new {
    background: #fff;
}

.section--coolingoff-new .section__title::after {
    background: #22C55E;
}

.container--narrow {
    max-width: 800px;
}

.section-header {
    margin-bottom: var(--spacing-md);
}

.section-header--center {
    text-align: center;
}

.section-header .section__title {
    margin-bottom: 0;
}

.section-header__badge {
    display: inline-block;
    background: #fff;
    border: 1px solid #22C55E;
    color: #16A34A;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.coolingoff-intro {
    text-align: center;
    font-size: var(--font-size-base);
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.coolingoff-intro strong {
    color: #16A34A;
}

.coolingoff-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

@media (min-width: 600px) {
    .coolingoff-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.coolingoff-card {
    display: flex;
    gap: var(--spacing-md);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl) var(--spacing-lg);
    align-items: flex-start;
}

.coolingoff-card__icon {
    flex-shrink: 0;
    width: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 2px;
}

.coolingoff-card__content {
    flex: 1;
    min-width: 0;
}

.coolingoff-card__title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.coolingoff-card__text {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.7;
}

.coolingoff-content-box {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 0 var(--spacing-xl) var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.coolingoff-content-box .coolingoff-intro {
    text-align: left;
    margin-bottom: var(--spacing-xl);
}

.coolingoff-content-box .coolingoff-grid {
    margin-bottom: var(--spacing-xl);
}

.coolingoff-content-box .coolingoff-card {
    background: transparent;
    border: 1px solid var(--color-border);
}

.coolingoff-message {
    background: rgba(34, 197, 94, 0.08);
    border-radius: var(--radius-md);
    border-left: 4px solid #22C55E;
    padding: var(--spacing-lg);
}

.coolingoff-message p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.8;
    text-align: left;
    margin: 0;
}

.coolingoff-note {
    text-align: center;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* =============================================
   About Section - New Layout
   ============================================= */
.section--about {
    background: var(--color-bg-light);
}

.section__desc--center {
    text-align: center;
}

.about-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

@media (min-width: 768px) {
    .about-layout {
        grid-template-columns: 1fr 1fr;
    }
}

/* 会社概要カード */
.about-company {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.about-company__title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.about-company__icon {
    font-size: var(--font-size-xl);
}

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

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

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

.about-table th,
.about-table td {
    padding: var(--spacing-md) 0;
    text-align: left;
    font-size: var(--font-size-sm);
}

.about-table th {
    width: 90px;
    font-weight: 500;
    color: var(--color-text-light);
    vertical-align: top;
}

.about-table td {
    color: var(--color-text);
    font-weight: 500;
}

/* 実績カード */
.about-achievements {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.achievement-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    background: #fff;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
}

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

.achievement-card__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #E8F7FC;
    border-radius: 50%;
    font-size: 20px;
    flex-shrink: 0;
    color: var(--color-primary);
}

.achievement-card:nth-child(2) .achievement-card__icon {
    background: #FFF8E8;
    color: var(--color-accent);
}

.achievement-card:nth-child(3) .achievement-card__icon {
    background: #E8F7FC;
    color: var(--color-primary);
}

.achievement-card__content {
    flex: 1;
}

.achievement-card__value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.3;
    margin-bottom: var(--spacing-xs);
}

.achievement-card__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* =============================================
   Mobile Spacing Optimization
   ============================================= */
@media (max-width: 767px) {

    /* Section padding reduction */
    .section {
        padding: 48px 0;
    }

    /* Title spacing reduction */
    .section__title {
        font-size: var(--font-size-xl);
        margin-bottom: var(--spacing-md);
    }

    .section-header {
        margin-bottom: var(--spacing-lg);
    }

    /* Why section cards */
    .why-card {
        padding: var(--spacing-md);
    }

    .why-grid {
        gap: var(--spacing-sm);
    }

    /* Cooling-off section */
    .coolingoff-content-box {
        padding: 0 var(--spacing-md) var(--spacing-lg);
    }

    .coolingoff-content-box .coolingoff-intro {
        margin-bottom: var(--spacing-md);
    }

    .coolingoff-content-box .coolingoff-grid {
        margin-bottom: var(--spacing-md);
    }

    .coolingoff-card {
        padding: var(--spacing-sm);
    }

    .coolingoff-grid {
        gap: var(--spacing-sm);
    }

    .coolingoff-message {
        padding: var(--spacing-md);
    }

    /* Price section */
    .price-includes {
        gap: var(--spacing-sm);
    }

    .price-includes-item {
        padding: var(--spacing-md);
    }

    /* About section */
    .about-table th,
    .about-table td {
        padding: var(--spacing-sm);
    }

    .achievement-card {
        padding: var(--spacing-md);
    }

    /* Container padding */
    .container {
        padding: 0 var(--spacing-md);
    }

    /* Section descriptions */
    .section__desc {
        margin-bottom: var(--spacing-lg);
    }
}

/* =============================================
   Page Header (Sub Pages)
   ============================================= */
.page-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: 120px 0 60px;
    text-align: center;
    color: #fff;
}

.page-header__title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.page-header__subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.9;
}

@media (min-width: 768px) {
    .page-header {
        padding: 140px 0 80px;
    }

    .page-header__title {
        font-size: var(--font-size-3xl);
    }
}

/* =============================================
   Privacy Policy Page
   ============================================= */
.section--privacy {
    background: var(--color-bg);
}

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

.privacy-intro {
    font-size: var(--font-size-lg);
    color: var(--color-text);
    line-height: 1.9;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: var(--color-bg-light);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
}

.privacy-section {
    margin-bottom: var(--spacing-2xl);
}

.privacy-section__title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
}

.privacy-section__text {
    font-size: var(--font-size-base);
    color: var(--color-text);
    line-height: 1.9;
}

.privacy-list {
    margin-top: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.privacy-list li {
    position: relative;
    font-size: var(--font-size-base);
    color: var(--color-text);
    line-height: 1.9;
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-lg);
}

.privacy-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1.2em;
}

.privacy-contact {
    background: var(--color-bg-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-lg);
    border: 1px solid var(--color-border);
}

.privacy-contact__company {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.privacy-contact__address {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.privacy-contact__tel {
    font-size: var(--font-size-base);
    color: var(--color-text);
}

.privacy-contact__tel a {
    color: var(--color-primary);
    font-weight: 700;
}

.privacy-contact__tel a:hover {
    text-decoration: underline;
}

@media (max-width: 767px) {
    .privacy-intro {
        padding: var(--spacing-lg);
        font-size: var(--font-size-base);
    }

    .privacy-section__title {
        font-size: var(--font-size-base);
    }

    .privacy-contact {
        padding: var(--spacing-lg);
    }
}

/* =============================================
   Contact Form Styles
   ============================================= */
/* =============================================
   Contact Form Styles
   ============================================= */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
    align-items: start;
}

/* PC screen: Two columns */
@media (min-width: 900px) {
    .contact-wrapper {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-2xl);
    }
}

/* Left side: Phone Contact */
.contact-method {
    /* Removed background/border for cleaner look */
    background: transparent;
    padding: var(--spacing-xl) 0;
    /* Add top padding to align visually */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    /* Align to top */
    color: #fff;
    height: auto;
    /* Allow auto height */
}

/* Right side: Web Form Container (Overwrite contact-method for form) */
.contact-form-container {
    background: #ffffff !important;
    /* Force white background */
    color: var(--color-text);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border: none;
    align-items: stretch;
    /* Stretch children full width */
    text-align: left;
}

.contact-method__title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    width: 100%;
}

.contact-form-container .contact-method__title {
    color: var(--color-text);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-bg-light);
    margin-bottom: var(--spacing-lg);
}

/* Form Elements */
.contact-form {
    width: 100%;
}

.form-group {
    margin-bottom: var(--spacing-md);
    width: 100%;
}

.form-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 6px;
}

.badge-required {
    background: #ff4d4f;
    color: #fff;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    white-space: nowrap;
}

.badge-optional {
    background: #9ca3af;
    color: #fff;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    white-space: nowrap;
}

.form-input,
.form-textarea {
    width: 100%;
    /* Ensure padding and border are included in width */
    box-sizing: border-box;
    padding: 12px 16px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    transition: all 0.2s ease;
    background: #f9fafb;
    color: #333;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(44, 169, 225, 0.2);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* Checkbox */
.form-group--checkbox {
    margin-top: var(--spacing-lg);
    display: flex;
    flex-direction: column;
}

.checkbox-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    position: relative;
}

.form-checkbox {
    position: absolute;
    opacity: 0;
    height: 0;
    width: 0;
}

.checkbox-indicator {
    position: relative;
    width: 20px;
    height: 20px;
    background: #fff;
    border: 2px solid #d1d5db;
    border-radius: 4px;
    flex-shrink: 0;
    transition: all 0.2s;
    margin-top: 2px;
}

.form-checkbox:checked~.checkbox-indicator {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-indicator:after {
    content: "";
    position: absolute;
    display: none;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.form-checkbox:checked~.checkbox-indicator:after {
    display: block;
}

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

.checkbox-text a {
    color: var(--color-primary);
    text-decoration: underline;
}

/* Submit Button */
.form-submit {
    margin-top: var(--spacing-xl);
    text-align: center;
}

.cta-button--form {
    width: 100%;
    background: var(--color-accent);
    color: #fff;
    font-weight: 700;
    padding: 16px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.cta-button--form:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.cta-button--form:disabled {
    background: #cbd5e1;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Validation Errors */
.error-message {
    color: #ef4444;
    font-size: 12px;
    margin-top: 4px;
    min-height: 18px;
    font-weight: 500;
}

.form-input.has-error,
.form-textarea.has-error {
    border-color: #ef4444;
    background-color: #fff5f5;
}

.form-input.has-error:focus,
.form-textarea.has-error:focus {
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

/* Success Message */
.form-success-message {
    text-align: center;
    padding: var(--spacing-xl) 0;
    animation: fadeIn 0.5s ease;
}

.success-icon {
    color: var(--icon-success);
    margin-bottom: var(--spacing-md);
}

.success-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.success-text {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.text-link {
    background: none;
    border: none;
    color: var(--color-primary);
    text-decoration: underline;
    cursor: pointer;
    font-size: var(--font-size-base);
    padding: 0;
}

.text-link:hover {
    color: var(--color-primary-dark);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

/* Mobile Adjustments for Contact Form */
@media (max-width: 767px) {
    .contact-wrapper {
        gap: var(--spacing-lg);
    }

    .contact-method {
        padding: var(--spacing-lg) var(--spacing-md);
    }
}