/* ========================================
   Reset & Base
   ======================================== */
:root {
    /* Colors - 2025 Modern Palette */
    --color-primary: #0056b3;
    --color-primary-light: #3b82f6;
    --color-primary-dark: #003d80;
    --color-accent: #0ea5e9;
    --color-bg-body: #ffffff;
    --color-bg-light: #f8fafc;
    --color-bg-sub: #f1f5f9;
    --color-text-main: #1e293b;
    --color-text-sub: #64748b;
    --color-text-white: #ffffff;
    --color-border: #e2e8f0;
    --color-danger: #ef4444;
    --color-success: #10b981;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-float: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Typography */
    --font-base: 'Inter', 'Noto Sans JP', sans-serif;
    --font-heading: 'Noto Sans JP', sans-serif;
    --font-size-base: clamp(15px, 0.9vw + 0.7rem, 16px);
    --font-size-sm: clamp(12px, 0.6vw + 0.55rem, 14px);
    --font-size-md: clamp(16px, 1.1vw + 0.7rem, 18px);
    --font-size-lg: clamp(20px, 1.6vw + 0.8rem, 24px);
    --font-size-xl: clamp(24px, 2.4vw + 0.9rem, 32px);
    --font-size-2xl: clamp(28px, 3vw + 1rem, 40px);
    --font-size-3xl: clamp(32px, 3.6vw + 1.2rem, 48px);
    --line-height-body: 1.7;
    --line-height-tight: 1.2;

    /* Layout */
    --radius-s: 8px;
    --radius-m: 16px;
    --radius-l: 24px;
    --container-max: 1280px;
    --header-height: 110px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-base);
    color: var(--color-text-main);
    background-color: var(--color-bg-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-wrap: pretty;
    overflow-wrap: break-word;
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

ul {
    list-style: none;
}

/* ========================================
   Components
   ======================================== */
.inner-l {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.inner-s {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    line-height: 1;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    box-shadow: var(--shadow-md);
}

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

.btn-outline {
    background: transparent;
    border: 2px solid #fff;
    color: #fff;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
}

/* Badge */
.badge {
    display: inline-block;
    background: #fff;
    color: var(--color-danger);
    font-size: 11px;
    font-weight: 800;
    padding: 2px 8px;
    border-radius: 4px;
    margin-right: 8px;
    vertical-align: text-bottom;
}

/* ========================================
   Layout Sections
   ======================================== */

/* Notice Bar */
.notice-bar {
    background: var(--color-primary);
    color: #fff;
    font-size: 14px;
    padding: 10px 0;
    text-align: center;
}
.notice-bar a {
    color: #fff;
    text-decoration: underline;
    font-weight: 700;
}

/* Header */
.header-top {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    height: var(--header-height);
    display: flex;
    align-items: center;
    transition: background 0.3s ease;
}

.header-top.scrolled {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.header-inner {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0 24px 0 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.h-logo {
    flex-shrink: 0;
    margin-right: auto;
}

.h-logo a {
    display: flex;
    align-items: center;
    line-height: 1;
}

.h-logo a img {
    height: 90px;
    width: auto;
    max-width: 300px;
    object-fit: contain;
}

@media (min-width: 768px) {
    .h-logo a img {
        height: 110px;
        max-width: 380px;
    }
}

@media (min-width: 960px) {
    .h-logo {
        margin-right: 40px;
    }
}

.h-logo .logo-en {
    font-size: 10px;
    font-weight: 600;
    color: var(--color-text-sub);
    letter-spacing: 0.1em;
    margin-top: 4px;
}

.header-nav {
    display: none;
}

@media (min-width: 960px) {
    .header-nav {
        display: block;
    }
    .header-nav ul {
        display: flex;
        gap: 24px;
        list-style: none;
        margin: 0;
        padding: 0;
        align-items: center;
    }
    .header-nav li {
        margin: 0;
        padding: 0;
    }
    .header-nav a {
        font-size: 14px;
        font-weight: 600;
        color: var(--color-text-main);
        position: relative;
        text-decoration: none;
        white-space: nowrap;
    }
    .header-nav a:hover {
        color: var(--color-primary);
    }
}

@media (min-width: 1200px) {
    .header-nav ul {
        gap: 32px;
    }
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

@media (min-width: 960px) {
    .header-actions {
        margin-left: 24px;
    }
}

@media (min-width: 1200px) {
    .header-actions {
        margin-left: 40px;
    }
}

.btn-emergency {
    display: none;
    align-items: center;
    gap: 8px;
    background: #fef2f2;
    color: var(--color-danger);
    padding: 8px 16px;
    border-radius: 50px;
    font-weight: 700;
    border: 1px solid #fee2e2;
    white-space: nowrap;
    text-decoration: none;
}

.btn-emergency .text {
    display: block;
}

.btn-lpg-service {
    display: none;
    align-items: center;
    gap: 8px;
    background: #ecfdf5;
    color: var(--color-success);
    padding: 8px 16px;
    border-radius: 50px;
    font-weight: 700;
    border: 1px solid #d1fae5;
    white-space: nowrap;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-lpg-service:hover {
    background: #d1fae5;
    border-color: var(--color-success);
}

.btn-lpg-service .text {
    display: block;
}

@media (min-width: 768px) {
    .btn-emergency {
        display: flex;
    }
    .btn-lpg-service {
        display: flex !important;
    }
}

/* Mobile Menu Trigger */
.menu-trigger {
    display: block;
    width: 44px;
    height: 44px;
    position: relative;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1100;
}

.menu-trigger span {
    position: absolute;
    left: 10px;
    width: 24px;
    height: 2px;
    background: var(--color-text-main);
    transition: all 0.3s;
}

.menu-trigger span:nth-of-type(1) { top: 16px; }
.menu-trigger span:nth-of-type(2) { top: 26px; }

.menu-trigger.is-active span:nth-of-type(1) {
    transform: translateY(5px) rotate(45deg);
}
.menu-trigger.is-active span:nth-of-type(2) {
    transform: translateY(-5px) rotate(-45deg);
}

@media (min-width: 960px) {
    .menu-trigger {
        display: none;
    }
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(255,255,255,0.98);
    z-index: 1050;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.mobile-menu.is-active {
    opacity: 1;
    pointer-events: auto;
}

.mobile-menu nav ul {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mobile-menu a {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-main);
}

.mobile-menu .btn-lpg-service,
.mobile-menu .btn-emergency {
    display: inline-flex;
    padding: 12px 24px;
    margin-top: 8px;
    font-size: 18px;
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 80vh;
    min-height: 600px;
    max-height: 900px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: #fff;
    background: #000;
}

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

.hero-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    animation: zoomOut 20s infinite alternate;
    transition: opacity 4s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-img-1 {
    opacity: 1;
    z-index: 1;
}

.hero-img-2 {
    opacity: 0;
    z-index: 2;
}

@keyframes zoomOut {
    from { transform: scale(1.1); }
    to { transform: scale(1.0); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.6) 0%, rgba(0,86,179,0.4) 100%);
    backdrop-filter: blur(2px);
    z-index: 1;
    transition: opacity 4s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-content {
    position: relative;
    z-index: 1;
    width: 100%;
    text-align: center;
}

.hero-heading {
    margin-bottom: 24px;
    line-height: var(--line-height-tight);
}

.hero-heading .en {
    display: block;
    font-family: 'Inter', sans-serif;
    font-size: clamp(14px, 1.2vw + 0.5rem, 20px);
    font-weight: 600;
    letter-spacing: 0.2em;
    margin-bottom: 16px;
    opacity: 0.9;
    text-transform: uppercase;
}

.hero-heading .ja {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    letter-spacing: 0.05em;
    text-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.hero-desc {
    font-size: var(--font-size-md);
    line-height: 1.8;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-btn-group {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    text-align: center;
}

.scroll-indicator span {
    font-size: 10px;
    letter-spacing: 0.2em;
    display: block;
    margin-bottom: 8px;
    opacity: 0.8;
}

.scroll-indicator .line {
    width: 1px;
    height: 60px;
    background: rgba(255,255,255,0.5);
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.scroll-indicator .line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #fff;
    transform: translateY(-100%);
    animation: scrollDown 2s cubic-bezier(0.77, 0, 0.175, 1) infinite;
}

@keyframes scrollDown {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
}

@media (max-width: 768px) {
    .hero-heading .ja { font-size: 32px; }
    .hero-desc { text-align: left; max-width: 340px; margin: 0 auto 32px; }
    .sp-hide { display: none; }
    .hero-btn-group { flex-direction: column; width: 100%; max-width: 300px; margin: 0 auto; }
}

/* Sections Common */
.section {
    padding: 100px 0;
}

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

.section-title {
    margin-bottom: 16px;
}

.section-title .ja {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-main);
}

.section-title .en {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-top: 8px;
    text-transform: uppercase;
}

.section-desc {
    color: var(--color-text-sub);
}

:where(.hero-desc, .section-desc, .page-hero p, .cases-intro, .service-section-desc, .news-instagram-box p, .recruit-card p) {
    max-width: 60ch;
    margin-left: auto;
    margin-right: auto;
    text-wrap: pretty;
}

/* Bento Grid Services */
.services-section {
    background: var(--color-bg-light);
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 24px;
}

@media (min-width: 768px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(2, 300px);
    }
    .card-lpg { grid-row: span 2; }
    .card-kerosene { grid-column: span 1; }
    .card-heater { grid-column: span 1; }
}

@media (min-width: 1024px) {
    .bento-grid {
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: repeat(2, 320px);
    }
    .card-lpg { grid-column: span 1; grid-row: span 2; }
    .card-heater { grid-column: span 2; grid-row: span 1; }
    /* .card-kerosene, .card-renovation, .card-appliances, .card-rental flow automatically */
}

.bento-card {
    position: relative;
    border-radius: var(--radius-l);
    overflow: hidden;
    background: #fff;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s ease;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

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

.bento-card .card-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.bento-card .card-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.bento-card:hover .card-bg img {
    transform: scale(1.1);
}

.bento-card .card-content {
    position: relative;
    z-index: 1;
    padding: 32px;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 100%);
    color: #fff;
    width: 100%;
}

.bento-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.bento-card p {
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 16px;
    line-height: 1.6;
}

.card-link {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: 8px 16px;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(4px);
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.4);
    transition: all 0.3s;
}

.card-link:hover {
    background: #fff;
    color: var(--color-primary);
}

/* News Section */
.news-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

@media (min-width: 960px) {
    .news-grid {
        grid-template-columns: 2fr 1fr;
    }
}

.news-main .section-header {
    text-align: left;
    margin-bottom: 32px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.view-all {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
}

.news-list li {
    border-bottom: 1px solid var(--color-border);
}

.news-list a {
    display: flex;
    align-items: flex-start;
    padding: 20px 0;
    flex-direction: column;
    gap: 8px;
}

.news-date {
    font-family: 'Inter', sans-serif;
    color: var(--color-text-sub);
    font-size: 14px;
}

.news-tag {
    display: inline-block;
    font-size: 11px;
    padding: 2px 8px;
    background: var(--color-bg-sub);
    color: var(--color-text-sub);
    border-radius: 4px;
}

.news-title {
    font-weight: 600;
    color: var(--color-text-main);
}

@media (min-width: 768px) {
    .news-list a {
        flex-direction: row;
        align-items: center;
        gap: 24px;
    }
}

.news-list a:hover {
    padding-left: 10px;
    background: var(--color-bg-sub);
}

.instagram-card {
    background: #fff;
    border-radius: var(--radius-m);
    padding: 32px;
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.insta-icon {
    margin-bottom: 16px;
}

.btn-insta {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%); 
    color: #fff;
    font-size: 14px;
    padding: 10px 24px;
    border: none;
    margin-top: 16px;
}

/* Info Section (Pricing/Cases) */
.info-section {
    padding-top: 0;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

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

.info-card {
    position: relative;
    height: 200px;
    border-radius: var(--radius-m);
    overflow: hidden;
    display: flex;
    align-items: center;
    padding: 40px;
    color: #fff;
    text-decoration: none;
}

.info-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s;
    z-index: 0;
}

.info-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    transition: background 0.3s;
}

.info-card:hover .info-bg {
    transform: scale(1.05);
}

.info-card:hover .info-bg::after {
    background: rgba(0,0,0,0.4);
}

.info-content {
    position: relative;
    z-index: 1;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.info-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.info-content span {
    display: block;
    font-size: 14px;
    opacity: 0.8;
    letter-spacing: 0.1em;
}

.info-content .arrow {
    font-size: 24px;
    background: rgba(255,255,255,0.2);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

/* CTA Section */
.cta-section {
    background: var(--color-primary);
    color: #fff;
    text-align: center;
    padding: 80px 24px;
}

.cta-heading {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-desc {
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

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

.btn-tel {
    background: transparent;
    border: 2px solid #fff;
    color: #fff;
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    padding: 8px 32px;
}

.btn-tel .small {
    font-size: 10px;
    font-weight: normal;
    display: block;
}

/* Page Hero (for subpages) */
.page-hero {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.page-hero h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.2;
}

.page-hero p {
    font-size: var(--font-size-md);
    opacity: 0.9;
    line-height: 1.8;
}

@media (max-width: 768px) {
    .page-hero {
        padding: 60px 0;
    }
    .page-hero h1 {
        font-size: 32px;
    }
    .page-hero p {
        font-size: 16px;
    }
}

/* Service Cards Grid */
.service-cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

@media (min-width: 768px) {
    .service-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .service-cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    background: #fff;
    border-radius: var(--radius-l);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
    text-decoration: none;
    display: block;
}

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

.service-card-image {
    position: relative;
    height: 256px;
    overflow: hidden;
    background: var(--color-primary);
}

.service-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
    mix-blend-mode: overlay;
}

.service-card-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 96px;
    height: 96px;
    color: #fff;
}

.service-card-content {
    padding: 32px;
}

.service-card-content h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 16px;
}

.service-card-content p {
    color: var(--color-text-sub);
    line-height: 1.8;
    margin-bottom: 24px;
}

.service-card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-primary);
    font-weight: 700;
    font-size: clamp(15px, 1.1vw + 0.6rem, 18px);
}

.service-card-link svg {
    width: 24px;
    height: 24px;
}

/* Additional Services Section */
.additional-services {
    background: #fff;
    border-radius: var(--radius-l);
    padding: 48px;
    box-shadow: var(--shadow-md);
    margin-top: 60px;
}

.additional-services h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 40px;
    text-align: center;
}

.additional-services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 768px) {
    .additional-services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.service-feature {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.service-feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-s);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: var(--color-bg-sub);
}

.service-feature-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.service-feature-content h3 {
    font-size: clamp(18px, 1.4vw + 0.6rem, 20px);
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 8px;
}

.service-feature-content p {
    color: var(--color-text-sub);
    line-height: 1.6;
}

/* Pricing Page Styles */
.pricing-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 32px 0;
    border-bottom: 1px solid var(--color-border);
}

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

.pricing-item-header {
    display: flex;
    align-items: center;
    gap: 16px;
}

.pricing-item-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.pricing-item-icon svg {
    width: 32px;
    height: 32px;
}

.pricing-item-content h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 4px;
}

.pricing-item-content p {
    color: var(--color-text-sub);
    font-size: 14px;
}

.pricing-item-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    border-radius: var(--radius-s);
    font-weight: 700;
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
}

.pricing-item-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.pricing-item-link svg {
    width: 20px;
    height: 20px;
}

.pricing-divider {
    border-top: 1px solid var(--color-border);
}

@media (max-width: 768px) {
    .pricing-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 24px;
    }
    
    .pricing-item-link {
        width: 100%;
        justify-content: center;
    }
}

/* Cases Page Styles */
.cases-intro {
    text-align: center;
    margin-bottom: 60px;
    color: var(--color-text-sub);
    line-height: 1.8;
}

.cases-cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 60px;
}

@media (min-width: 768px) {
    .cases-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.case-card {
    background: #fff;
    border-radius: var(--radius-l);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--color-border);
    transition: all 0.3s ease;
    text-decoration: none;
    display: block;
}

.case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.case-card-header {
    padding: 32px;
    color: #fff;
    text-align: center;
}

.case-card-header img {
    height: 48px;
    width: auto;
    margin: 0 auto 24px;
    filter: brightness(0) invert(1);
}

.case-card-header h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.case-card-header p {
    font-size: 14px;
    opacity: 0.9;
}

.case-card-content {
    padding: 32px;
}

.case-card-content > p {
    color: var(--color-text-sub);
    line-height: 1.8;
    margin-bottom: 24px;
}

.case-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.case-feature-item {
    display: flex;
    align-items: center;
    color: var(--color-text-sub);
}

.case-feature-item svg {
    width: 20px;
    height: 20px;
    margin-right: 12px;
    flex-shrink: 0;
}

.case-card-link {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-weight: 700;
    font-size: 18px;
    gap: 8px;
}

.case-card-link svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.case-card:hover .case-card-link svg {
    transform: translateX(4px);
}

.case-card-note {
    font-size: 11px;
    color: var(--color-text-sub);
    text-align: center;
    margin-top: 16px;
}

.cases-info-box {
    background: #eff6ff;
    border-left: 4px solid var(--color-primary);
    padding: 32px;
    border-radius: 0 var(--radius-s) var(--radius-s) 0;
    margin-top: 60px;
}

.cases-info-box h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 12px;
}

.cases-info-box p {
    color: var(--color-text-sub);
    line-height: 1.8;
    margin-bottom: 16px;
}

.cases-info-box p:last-child {
    font-size: 14px;
    margin-bottom: 0;
}

/* News Page Styles */
.news-instagram-box {
    background: linear-gradient(135deg, #ec4899 0%, #a855f7 50%, #f97316 100%);
    color: #fff;
    border-radius: var(--radius-l);
    padding: 32px;
    margin-bottom: 48px;
    text-align: center;
}

.news-instagram-box svg {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    display: block;
}

.news-instagram-box h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: 16px;
}

.news-instagram-box p {
    font-size: var(--font-size-md);
    opacity: 0.9;
    line-height: 1.8;
    margin-bottom: 24px;
}

.news-notice-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.news-notice-item {
    background: #fff;
    border: 2px solid #fee2e2;
    border-radius: var(--radius-m);
    padding: 24px;
    text-decoration: none;
    display: block;
    transition: all 0.3s ease;
}

.news-notice-item:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--color-danger);
}

.news-notice-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.news-notice-badge {
    background: #fef2f2;
    color: var(--color-danger);
    font-size: 11px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 50px;
}

.news-notice-date {
    font-size: 14px;
    color: var(--color-text-sub);
}

.news-notice-item h3 {
    font-size: clamp(18px, 1.4vw + 0.6rem, 20px);
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 8px;
}

.news-notice-item p {
    color: var(--color-text-sub);
    line-height: 1.6;
    margin-bottom: 12px;
}

.news-notice-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-primary);
    font-weight: 700;
    font-size: 14px;
}

.news-notice-link svg {
    width: 16px;
    height: 16px;
}

/* Recruit Page Styles */
.recruit-card {
    background: linear-gradient(135deg, #eff6ff 0%, #fff 100%);
    border-radius: var(--radius-l);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 2px solid #dbeafe;
    padding: 48px;
    text-align: center;
}

.recruit-icon {
    width: 96px;
    height: 96px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 32px;
}

.recruit-icon svg {
    width: 48px;
    height: 48px;
    color: #fff;
}

.recruit-card h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 24px;
}

.recruit-card p {
    font-size: var(--font-size-lg);
    color: var(--color-text-sub);
    line-height: 1.8;
    margin-bottom: 40px;
}

.recruit-card-note {
    font-size: 14px;
    color: var(--color-text-sub);
    margin-top: 24px;
}

/* Company Page Styles */
.company-table-wrapper {
    background: #fff;
    border-radius: var(--radius-l);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

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

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

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

.company-table td {
    padding: 16px 24px;
}

.company-table td:first-child {
    background: var(--color-bg-sub);
    font-weight: 700;
    color: var(--color-text-main);
    width: 33%;
}

.company-table td:last-child {
    color: var(--color-text-sub);
}

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

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

/* Contact Page Styles */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
}

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

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-form-group {
    display: flex;
    flex-direction: column;
}

.contact-form-label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 8px;
}

.contact-form-label .required {
    color: var(--color-danger);
}

.contact-form-input,
.contact-form-select,
.contact-form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-s);
    font-size: 16px;
    font-family: inherit;
    transition: all 0.3s ease;
}

.contact-form-input:focus,
.contact-form-select:focus,
.contact-form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
}

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

.contact-form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.contact-form-checkbox input[type="checkbox"] {
    margin-top: 4px;
    width: 20px;
    height: 20px;
    cursor: pointer;
}

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

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

.contact-info {
    background: var(--color-bg-light);
    border-radius: var(--radius-l);
    padding: 32px;
}

.contact-info h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 24px;
}

.contact-info-item {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--color-border);
}

.contact-info-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.contact-info-item h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 8px;
}

.contact-info-item p {
    color: var(--color-text-sub);
    line-height: 1.8;
}

.contact-info-item a {
    color: var(--color-primary);
    text-decoration: none;
}

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

.contact-phone-box {
    background: #eff6ff;
    border-radius: var(--radius-l);
    padding: 32px;
    margin-bottom: 32px;
    text-align: center;
}

.contact-phone-box .label {
    font-size: 14px;
    color: var(--color-text-sub);
    margin-bottom: 8px;
}

.contact-phone-box a {
    font-size: clamp(24px, 5vw, 36px);
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

.contact-phone-box a:hover {
    color: var(--color-primary-dark);
}

.contact-phone-box .hours {
    font-size: 14px;
    color: var(--color-text-sub);
    margin-top: 16px;
}

.contact-emergency-box {
    background: #fef2f2;
    border-radius: var(--radius-l);
    padding: 32px;
    margin-bottom: 32px;
    text-align: center;
    border: 2px solid #fee2e2;
}

.contact-emergency-box .label {
    font-size: 14px;
    color: var(--color-danger);
    font-weight: 700;
    margin-bottom: 8px;
}

.contact-emergency-box a {
    font-size: clamp(24px, 5vw, 36px);
    font-weight: 700;
    color: var(--color-danger);
    text-decoration: none;
}

.contact-emergency-box a:hover {
    color: #dc2626;
}

.contact-emergency-box .note {
    font-size: 14px;
    color: var(--color-text-sub);
    margin-top: 16px;
}

.contact-hours-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

.contact-hours-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
}

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

.contact-hours-item span:first-child {
    color: var(--color-text-sub);
}

.contact-hours-item span:last-child {
    font-weight: 700;
    color: var(--color-text-main);
}

.contact-hours-item.closed span:last-child {
    color: var(--color-danger);
}

/* Fillout Form Embed Styles */
.contact-form-embed {
    width: 100%;
    min-height: 600px;
    position: relative;
    overflow: hidden;
}

.contact-form-embed iframe {
    width: 100%;
    min-height: 600px;
    height: 100%;
    border: none;
    border-radius: var(--radius-m);
    display: block;
}

@media (max-width: 767px) {
    .contact-form-embed {
        min-height: 500px;
    }
    
    .contact-form-embed iframe {
        min-height: 500px;
    }
}

.contact-map-placeholder {
    background: var(--color-bg-sub);
    height: 256px;
    border-radius: var(--radius-m);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-map-placeholder svg {
    width: 64px;
    height: 64px;
    color: var(--color-text-sub);
}

/* Company Page Additional Styles */
.company-section-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 48px;
    text-align: center;
}

.company-greeting-box {
    background: #fff;
    border-radius: var(--radius-l);
    box-shadow: var(--shadow-md);
    padding: 48px;
    border: 1px solid var(--color-border);
}

.company-greeting-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.company-greeting-content p {
    color: var(--color-text-sub);
    line-height: 1.8;
}

.company-greeting-signature {
    margin-top: 48px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.company-greeting-signature p {
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 16px;
}

.company-greeting-signature img {
    height: auto;
    max-width: 300px;
}

.company-qualifications-box {
    background: #fff;
    border-radius: var(--radius-l);
    box-shadow: var(--shadow-md);
    padding: 48px;
    border: 1px solid var(--color-border);
}

.company-qualifications-intro {
    color: var(--color-text-sub);
    line-height: 1.8;
    margin-bottom: 32px;
}

.company-qualifications-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 32px;
}

@media (min-width: 768px) {
    .company-qualifications-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.company-qualification-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.company-qualification-item svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
    margin-top: 2px;
    flex-shrink: 0;
}

.company-qualification-item span {
    color: var(--color-text-sub);
}

.company-qualifications-note {
    font-size: 14px;
    color: var(--color-text-sub);
    font-style: italic;
}

/* Service Detail Pages (lpg, kerosene, water-heater) */
.service-features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

@media (min-width: 768px) {
    .service-features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-feature-card {
    background: #fff;
    border-radius: var(--radius-l);
    box-shadow: var(--shadow-md);
    padding: 32px;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.service-feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-feature-icon-wrapper {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.service-feature-icon-wrapper svg {
    width: 32px;
    height: 32px;
}

.service-feature-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 16px;
}

.service-feature-card p {
    color: var(--color-text-sub);
    line-height: 1.8;
}

.service-plans-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    justify-content: center;
}

@media (min-width: 768px) {
    .service-plans-grid {
        justify-content: center;
    }
}

@media (min-width: 1024px) {
    .service-plans-grid {
        justify-content: center;
    }
}

.service-plan-card {
    background: #fff;
    border-radius: var(--radius-l);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    border-top: 4px solid var(--color-primary);
    transition: all 0.3s ease;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    height: 100%;
    flex: 0 1 100%;
    max-width: 100%;
}

@media (min-width: 768px) {
    .service-plan-card {
        flex: 0 1 calc(50% - 16px);
        max-width: 500px;
    }
}

@media (min-width: 1024px) {
    .service-plan-card {
        flex: 0 1 calc(33.333% - 22px);
        max-width: 400px;
    }
}

.service-plan-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-top-color: var(--color-primary-dark);
}

.service-plan-header {
    padding: 32px;
    text-align: center;
    color: #fff;
}

.service-plan-icon-wrapper {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.service-plan-icon-wrapper svg {
    width: 40px;
    height: 40px;
}

.service-plan-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: 8px;
}

.service-plan-header p {
    font-size: 14px;
    opacity: 0.9;
}

.service-plan-content {
    padding: 32px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.service-plan-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
    flex-grow: 1;
}

.service-plan-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.service-plan-feature-item svg {
    width: 24px;
    height: 24px;
    margin-top: 2px;
    flex-shrink: 0;
}

.service-plan-feature-item span {
    color: var(--color-text-sub);
}

.service-plan-note {
    font-size: 14px;
    color: var(--color-text-sub);
    margin-top: auto;
}

.service-product-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

@media (min-width: 768px) {
    .service-product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.service-product-card {
    background: #fff;
    border-radius: var(--radius-l);
    box-shadow: var(--shadow-md);
    padding: 32px;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.service-product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-product-icon-wrapper {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.service-product-icon-wrapper svg {
    width: 32px;
    height: 32px;
}

.service-product-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 16px;
}

.service-product-card p {
    color: var(--color-text-sub);
    line-height: 1.8;
}

.service-product-card p + p {
    margin-top: 12px;
}

.service-product-card code {
    font-family: ui-monospace, "SF Mono", Monaco, monospace;
    font-size: 0.95em;
    background: var(--color-bg-sub);
    padding: 2px 8px;
    border-radius: var(--radius-s);
    color: var(--color-text-main);
}

.service-product-card a[href^="tel:"] {
    color: var(--color-primary);
    font-weight: 700;
}

.service-section-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 16px;
    text-align: center;
}

.service-section-desc {
    font-size: var(--font-size-lg);
    color: var(--color-text-sub);
    text-align: center;
    margin-bottom: 48px;
}

.service-info-box {
    background: #eff6ff;
    border-left: 4px solid var(--color-primary);
    padding: 24px;
    border-radius: 0 var(--radius-s) var(--radius-s) 0;
    margin-top: 48px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.service-info-box svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
    margin-top: 2px;
    flex-shrink: 0;
}

.service-info-box-content h4 {
    font-weight: 700;
    color: #1e40af;
    margin-bottom: 8px;
}

.service-info-box-content p {
    font-size: 14px;
    color: #1e3a8a;
    line-height: 1.6;
}

.service-safety-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 768px) {
    .service-safety-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.service-safety-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.service-safety-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-s);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.service-safety-icon svg {
    width: 24px;
    height: 24px;
}

.service-safety-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 8px;
}

.service-safety-content p {
    color: var(--color-text-sub);
    line-height: 1.6;
}

.service-process-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

@media (min-width: 768px) {
    .service-process-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-process-item {
    text-align: center;
}

.service-process-number {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 32px;
    font-weight: 700;
}

.service-process-item h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 12px;
}

.service-process-item p {
    color: var(--color-text-sub);
    line-height: 1.6;
}

.service-time-slots {
    background: var(--color-bg-sub);
    border-radius: var(--radius-l);
    padding: 32px;
    margin-top: 48px;
}

.service-time-slots h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 24px;
    text-align: center;
}

.service-time-slots-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

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

.service-time-slot {
    background: #fff;
    border-radius: var(--radius-s);
    padding: 16px;
    text-align: center;
}

.service-time-slot .label {
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 4px;
}

.service-time-slot .time {
    font-size: 14px;
    color: var(--color-text-sub);
}

.service-price-box {
    background: #fff;
    border-radius: var(--radius-l);
    box-shadow: var(--shadow-md);
    padding: 32px;
    text-align: center;
}

.service-price-box h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 24px;
}

.service-product-features {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 16px;
}

.service-product-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    color: var(--color-text-sub);
}

.service-product-feature-item .check {
    color: var(--color-primary);
    margin-right: 8px;
}

/* FAQ Page Styles */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.faq-item {
    background: var(--color-bg-sub);
    border-radius: var(--radius-m);
    padding: 24px;
    transition: all 0.3s ease;
}

.faq-item[open] {
    background: #fff;
    box-shadow: var(--shadow-sm);
}

.faq-item summary {
    font-weight: 700;
    color: var(--color-text-main);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item[open] summary svg {
    transform: rotate(180deg);
}

.faq-item .answer {
    margin-top: 16px;
    color: var(--color-text-sub);
    line-height: 1.8;
}

/* Footer */
footer {
    background: #111;
    color: #999;
    font-size: 14px;
}

.footer-top {
    padding: 80px 0;
    border-bottom: 1px solid #333;
}

.footer-grid {
    display: grid;
    gap: 40px;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 2fr;
    }
}

.footer-logo {
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-address {
    line-height: 1.8;
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
}

.footer-nav-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-nav-list a:hover {
    color: #fff;
}

.footer-bottom {
    padding: 32px 0;
    text-align: center;
}

#back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 900;
}

#back-to-top a {
    display: flex;
    width: 48px;
    height: 48px;
    background: #fff;
    color: var(--color-primary);
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

/* Accessibility */
.sp-only { display: none; }
@media (max-width: 768px) {
    .sp-only { display: block; }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}