/* ===================================
   Reset & Base Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --primary-color: #1a1a1a;
    --secondary-color: #d4af37;
    --accent-color: #c41e3a;
    --text-dark: #1a1a1a;
    --text-light: #ffffff;
    --text-gray: #666666;
    --bg-light: #f8f9fa;
    --bg-dark: #1a1a1a;
    --border-color: #e0e0e0;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Typography */
    --font-primary: 'Noto Sans JP', sans-serif;
    --font-heading: 'Montserrat', 'Noto Sans JP', sans-serif;
    
    /* Transitions */
    --transition: all 0.3s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
}

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

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.7;
    background-color: #ffffff;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* ===================================
   Container & Layout
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

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

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.05em;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ===================================
   Header & Navigation
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(26, 26, 26, 0.97);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.nav-logo h1 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-light);
    letter-spacing: 0.1em;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--secondary-color);
    background-color: rgba(212, 175, 55, 0.1);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    overflow: hidden;
    box-sizing: border-box;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(to bottom,
            rgba(0,0,0,0.85) 0%,
            rgba(0,0,0,0.55) 40%,
            rgba(0,0,0,0.70) 100%);
    z-index: 1;
}

/* 左右の装飾ライン */
.hero-deco-line {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom,
        transparent 0%,
        rgba(212,175,55,0.6) 30%,
        rgba(212,175,55,0.6) 70%,
        transparent 100%);
    z-index: 2;
    animation: decoFade 1.5s ease both;
}
.hero-deco-line.left  { left: clamp(12px, 4vw, 40px); }
.hero-deco-line.right { right: clamp(12px, 4vw, 40px); }

@keyframes decoFade {
    from { opacity: 0; transform: scaleY(0.3); }
    to   { opacity: 1; transform: scaleY(1); }
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: #fff;
    padding: 1.5rem 2rem 3rem;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

/* ヒーロー下 信頼バッジバー */
.trust-badge-bar {
    background: linear-gradient(90deg, #1a1a1a 0%, #2a2a2a 50%, #1a1a1a 100%);
    border-top: 1px solid rgba(212,175,55,0.35);
    border-bottom: 1px solid rgba(212,175,55,0.35);
    padding: 0.85rem 1rem;
    overflow: hidden;
}

.trust-badge-inner {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: nowrap;
    gap: 0;
    max-width: 900px;
    margin: 0 auto;
}

.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--secondary-color);
    padding: 0.3rem 0.9rem;
    white-space: nowrap;
}

.trust-badge i {
    font-size: 0.9rem;
    flex-shrink: 0;
}

.trust-badge-divider {
    width: 1px;
    height: 1rem;
    background: rgba(212,175,55,0.35);
    flex-shrink: 0;
}

/* スマホ：2行に折り返して整列 */
@media (max-width: 640px) {
    .trust-badge-inner {
        flex-wrap: wrap;
        gap: 0.2rem 0;
        justify-content: center;
    }
    .trust-badge-divider {
        display: none;
    }
    .trust-badge {
        font-size: 0.72rem;
        padding: 0.25rem 0.7rem;
        border-right: 1px solid rgba(212,175,55,0.25);
    }
    .trust-badge:last-child {
        border-right: none;
    }
    .trust-badge-bar {
        padding: 0.6rem 0.5rem;
    }
}



/* ヒーロー キャンペーンバナー */
.hero-campaign-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: linear-gradient(90deg, rgba(196,30,58,0.9), rgba(255,71,87,0.9));
    border: 1px solid rgba(255,120,120,0.5);
    border-radius: 50px;
    padding: 0.5rem 1.4rem;
    margin: 0 auto 1.2rem auto;
    width: fit-content;
    max-width: 100%;
    animation: fadeInDown 0.8s ease both, pulse-red 2.5s 1s infinite;
    backdrop-filter: blur(4px);
}

.hero-campaign-fire {
    font-size: 1rem;
    line-height: 1;
}

.hero-campaign-text {
    font-size: 0.82rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.06em;
    white-space: nowrap;
}

.hero-campaign-text strong {
    font-size: 1rem;
    color: #ffe066;
}

.hero-subtitle {
    font-size: 0.85rem;
    font-weight: 400;
    color: rgba(255,255,255,0.6);
    letter-spacing: 0.4em;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease 0.1s both;
}

/* タイトル3段構成 */
.hero-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.1em;
    margin-bottom: 1.4rem;
    animation: fadeInUp 1s ease 0.2s both;
    line-height: 1;
}

.hero-title-sub {
    font-size: clamp(1.4rem, 5vw, 2.2rem);
    font-weight: 700;
    color: rgba(255,255,255,0.85);
    letter-spacing: 0.15em;
}

.hero-title-main {
    font-size: clamp(2.8rem, 10vw, 5.5rem);
    font-weight: 900;
    letter-spacing: 0.05em;
    color: #fff;
    font-family: var(--font-heading);
    text-shadow: 0 0 40px rgba(212,175,55,0.4);
    line-height: 1.1;
}

.hero-title-main .highlight {
    color: var(--secondary-color);
    position: relative;
}

.hero-title-main .highlight::after {
    display: none !important;
    content: none !important;
}

.hero-title-accent {
    font-size: clamp(1.6rem, 6vw, 3rem);
    font-weight: 900;
    color: rgba(255,255,255,0.9);
    letter-spacing: 0.3em;
    font-family: var(--font-heading);
    border-top: 1px solid rgba(212,175,55,0.4);
    padding-top: 0.3em;
    margin-top: 0.1em;
}

.hero-description {
    font-size: clamp(0.9rem, 2.5vw, 1.1rem);
    line-height: 1.9;
    margin-bottom: 1.8rem;
    color: rgba(255,255,255,0.75);
    animation: fadeInUp 1.2s ease 0.4s both;
}

/* CTAボタン */
.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 1.8rem;
    animation: fadeInUp 1.4s ease 0.6s both;
}

.btn-hero-cta {
    font-size: 1.05rem;
    padding: 1rem 2.2rem;
    border-radius: 50px;
    box-shadow: 0 0 30px rgba(212,175,55,0.4);
    letter-spacing: 0.05em;
}

.btn-hero-sub {
    font-size: 0.95rem;
    padding: 0.9rem 1.8rem;
    border-radius: 50px;
    letter-spacing: 0.05em;
}

.hero-features {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1.6s ease 0.8s both;
}

.hero-feature-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.6);
}

.hero-feature-item i {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

/* スクロールインジケーター */
.scroll-indicator {
    position: absolute;
    bottom: 1.8rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    color: rgba(255,255,255,0.45);
    animation: bounce 2s infinite;
}

.scroll-text {
    font-size: 0.6rem;
    letter-spacing: 0.3em;
    font-weight: 600;
}

.scroll-indicator i {
    font-size: 0.9rem;
}

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

/* アピールポイント */
.hero-appeal {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.9rem;
    justify-items: center;
    max-width: 420px;
    margin: 1.6rem auto;
    animation: fadeInUp 1s ease 0.4s both;
}

/* 3枚目（年間120台以上）を2列にまたがせる */
.hero-appeal-item:last-child {
    grid-column: 1 / -1;
    width: 100%;
}

.hero-appeal-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    background: rgba(212, 175, 55, 0.15);
    border: 1px solid rgba(212, 175, 55, 0.5);
    border-radius: 12px;
    padding: 0.75rem 1.2rem;
    backdrop-filter: blur(4px);
    width: 100%;
    justify-content: center;
}

.hero-appeal-item i {
    font-size: 1.6rem;
    color: var(--secondary-color);
    flex-shrink: 0;
}

.hero-appeal-item div {
    display: flex;
    flex-direction: column;
}

.appeal-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    white-space: nowrap;
}

.appeal-sub {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 0.1rem;
    white-space: nowrap;
}

/* PC・タブレットでは横並び3列 */
@media (min-width: 769px) {
    .hero-appeal {
        grid-template-columns: repeat(3, auto);
        max-width: 700px;
    }
    .hero-appeal-item:last-child {
        grid-column: auto;
        width: auto;
    }
    .hero-appeal-item {
        width: auto;
        padding: 0.8rem 1.4rem;
    }
    .appeal-title {
        font-size: 1.15rem;
    }
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background-color: var(--secondary-color);
    color: var(--text-dark);
    border-color: var(--secondary-color);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(212, 175, 55, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-light);
    border-color: var(--text-light);
}

.btn-secondary:hover {
    background-color: var(--text-light);
    color: var(--text-dark);
    transform: translateY(-3px);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-dark);
    border-color: var(--text-dark);
}

.btn-outline:hover {
    background-color: var(--text-dark);
    color: var(--text-light);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ===================================
   Introduction Section
   =================================== */
.intro {
    background-color: var(--bg-light);
}

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

.intro-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.intro-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.intro-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.intro-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.intro-card p {
    color: var(--text-gray);
    line-height: 1.8;
}

/* ===================================
   Features Section
   =================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    position: relative;
    background: white;
    padding: var(--spacing-lg);
    border-radius: 12px;
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--secondary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-number {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 900;
    color: rgba(212, 175, 55, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

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

/* ===================================
   Gallery Section
   =================================== */
.gallery {
    background-color: var(--bg-dark);
    color: var(--text-light);
}

.gallery .section-title {
    color: var(--text-light);
}

.gallery .section-description {
    color: rgba(255, 255, 255, 0.7);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    cursor: pointer;
}

.gallery-image {
    position: relative;
    padding-bottom: 75%;
    overflow: hidden;
}

.gallery-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover .gallery-image img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, transparent 100%);
    display: flex;
    align-items: flex-end;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-info {
    padding: var(--spacing-md);
    width: 100%;
}

.gallery-info h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.gallery-info p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

/* ===================================
   Comparison Section
   =================================== */
.comparison {
    background-color: var(--bg-light);
}

.comparison-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.comparison-item {
    position: relative;
    flex: 1;
    min-width: 300px;
    max-width: 450px;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.comparison-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.comparison-label {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--text-dark);
    color: var(--text-light);
    font-weight: 700;
    font-size: 0.9rem;
    border-radius: 4px;
    letter-spacing: 0.1em;
    z-index: 1;
}

.comparison-label.after {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
}

.comparison-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.comparison-item h3 {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1.3rem;
    font-weight: 700;
}

.comparison-item p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--text-gray);
}

.comparison-arrow {
    font-size: 3rem;
    color: var(--secondary-color);
    display: flex;
    align-items: center;
}

/* ===================================
   Before / After Stack Layout
   =================================== */
.ba-stack {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-width: 860px;
    margin: 0 auto;
}

/* カード共通 */
.ba-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(0,0,0,0.18);
    position: relative;
}

.ba-before {
    border: 2px solid rgba(150,150,150,0.3);
}

.ba-after {
    border: 2px solid rgba(212,175,55,0.6);
    box-shadow: 0 8px 40px rgba(212,175,55,0.2);
}

/* ラベル */
.ba-label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 5;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.1;
}

.ba-label-en {
    font-size: 1.3rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    font-family: var(--font-heading);
    padding: 0.2rem 0.8rem;
    border-radius: 6px;
}

.ba-label-jp {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-top: 0.15rem;
    padding: 0.15rem 0.6rem;
    border-radius: 4px;
}

.ba-label.before .ba-label-en {
    background: rgba(80,80,80,0.85);
    color: #fff;
}
.ba-label.before .ba-label-jp {
    background: rgba(80,80,80,0.7);
    color: rgba(255,255,255,0.8);
}

.ba-label.after .ba-label-en {
    background: linear-gradient(90deg, #d4af37, #f5d05e);
    color: #1a1a1a;
}
.ba-label.after .ba-label-jp {
    background: rgba(212,175,55,0.85);
    color: #1a1a1a;
}

/* 画像エリア */
.ba-img-wrap {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.ba-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.5s ease;
}

.ba-card:hover .ba-img-wrap img {
    transform: scale(1.04);
}

.ba-img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 60%, rgba(26,26,26,0.15) 100%);
}

.ba-img-overlay.after-overlay {
    background: linear-gradient(90deg, transparent 60%, rgba(212,175,55,0.08) 100%);
}

/* テキストエリア */
.ba-info {
    display: flex;
    align-items: center;
    padding: 2rem 1.8rem;
    background: #fff;
}

.ba-after .ba-info {
    background: linear-gradient(135deg, #fffef5 0%, #fff9e6 100%);
}

.ba-title {
    font-size: 1.15rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ba-title i {
    color: var(--text-gray);
}

.ba-after .ba-title.after-title i {
    color: var(--secondary-color);
}

.ba-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.ba-list li {
    font-size: 0.88rem;
    color: var(--text-gray);
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    line-height: 1.4;
}

.ba-list li i {
    color: #bbb;
    flex-shrink: 0;
    margin-top: 0.15rem;
}

.ba-list li.good {
    color: var(--text-dark);
    font-weight: 600;
}

.ba-list li.good i {
    color: #2ecc71;
}

/* 矢印 */
.ba-arrow-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 0.8rem 0;
    max-width: 860px;
    margin: 0 auto;
    width: 100%;
}

.ba-arrow-line {
    flex: 1;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(212,175,55,0.5), transparent);
}

.ba-arrow-circle {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, #d4af37, #f5d05e);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.1rem;
    box-shadow: 0 4px 20px rgba(212,175,55,0.5);
    flex-shrink: 0;
    animation: pulse-gold 2s infinite;
}

.ba-arrow-circle i {
    font-size: 1.3rem;
    color: #1a1a1a;
}

.ba-arrow-circle span {
    font-size: 0.6rem;
    font-weight: 800;
    color: #1a1a1a;
    letter-spacing: 0.05em;
}

@keyframes pulse-gold {
    0%, 100% { box-shadow: 0 4px 20px rgba(212,175,55,0.5); }
    50%       { box-shadow: 0 4px 30px rgba(212,175,55,0.9); }
}

/* スマホ対応 */
@media (max-width: 640px) {
    .ba-card {
        grid-template-columns: 1fr;
    }

    .ba-img-wrap {
        height: 220px;
    }

    .ba-info {
        padding: 1.2rem 1rem;
    }

    .ba-title {
        font-size: 1rem;
        margin-bottom: 0.7rem;
    }

    .ba-list li {
        font-size: 0.82rem;
    }

    .ba-arrow-circle {
        width: 56px;
        height: 56px;
    }

    .ba-arrow-circle i {
        font-size: 1.1rem;
    }
}

/* ===================================
   Staff Section
   =================================== */
.staff-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.staff-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.staff-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.staff-image-wrap {
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.staff-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: transform 0.4s ease;
}

.staff-card:hover .staff-image-wrap img {
    transform: scale(1.04);
}

.staff-info {
    padding: 1.6rem;
}

.staff-role {
    display: inline-block;
    background: var(--secondary-color);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 0.25rem 0.8rem;
    border-radius: 20px;
    letter-spacing: 0.05em;
    margin-bottom: 0.6rem;
}

.staff-name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 0.8rem;
}

.staff-message {
    font-size: 0.92rem;
    color: var(--text-gray);
    line-height: 1.8;
    border-left: 3px solid var(--secondary-color);
    padding-left: 0.8rem;
}

@media (max-width: 640px) {
    .staff-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* ===================================
   Process Section
   =================================== */
.process-timeline {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    flex-wrap: wrap;
}

.process-step {
    flex: 1;
    min-width: 200px;
    text-align: center;
    padding: var(--spacing-md);
    position: relative;
}

.process-number {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--secondary-color);
    color: var(--text-dark);
    font-weight: 700;
    font-size: 0.85rem;
    border-radius: 20px;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.1em;
}

.process-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-sm);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    box-shadow: var(--shadow-md);
}

.process-step h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.process-step p {
    color: var(--text-gray);
    line-height: 1.8;
    font-size: 0.95rem;
}

.process-connector {
    flex: 0 0 50px;
    height: 2px;
    background: var(--secondary-color);
    margin-top: 100px;
    position: relative;
}

.process-connector::after {
    content: '';
    position: absolute;
    right: -5px;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    background: var(--secondary-color);
    border-radius: 50%;
}

/* ===================================
   Price Section
   =================================== */
.price {
    background-color: var(--bg-light);
}

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

.price-card {
    position: relative;
    background: white;
    border-radius: 12px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--border-color);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.price-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.price-card.featured {
    border-color: var(--secondary-color);
    background: linear-gradient(135deg, #ffffff 0%, #fffef8 100%);
}

.price-badge {
    position: absolute;
    top: -15px;
    right: var(--spacing-md);
    background: linear-gradient(135deg, var(--accent-color), #ff4757);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
}

/* 先着限定タグ */
.price-campaign-tag {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 0.4rem;
    background: linear-gradient(90deg, #c41e3a, #ff4757);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    width: 100%;
    animation: pulse-red 2s infinite;
}

.price-campaign-tag i {
    font-size: 0.85rem;
}

@keyframes pulse-red {
    0%, 100% { box-shadow: 0 0 0 0 rgba(196,30,58,0.4); }
    50%       { box-shadow: 0 0 0 6px rgba(196,30,58,0); }
}

.price-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-color);
}

.price-header h3 {
    font-size: 1.7rem;
    font-weight: 900;
    margin-bottom: 0;
    letter-spacing: 0.05em;
}

.price-subtitle {
    color: var(--text-gray);
    font-size: 0.95rem;
}

.price-amount {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.price-main {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.1em;
    flex-wrap: nowrap;
}

.price-currency {
    font-size: 1.5rem;
    font-weight: 600;
    vertical-align: top;
    line-height: 1;
}

.price-value {
    font-size: 3.5rem;
    font-weight: 900;
    font-family: var(--font-heading);
    color: var(--secondary-color);
    line-height: 1;
}

.price-tax {
    display: block;
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-top: 0.3rem;
    text-align: center;
}

.price-features {
    flex-grow: 1;
    margin-bottom: var(--spacing-md);
}

.price-features li {
    padding: var(--spacing-xs) 0;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    font-size: 0.95rem;
    color: var(--text-gray);
}

.price-features li i {
    color: var(--secondary-color);
    margin-top: 4px;
}

.price-note {
    text-align: center;
    padding: var(--spacing-md);
    background: white;
    border-radius: 8px;
    color: var(--text-gray);
    font-size: 0.9rem;
}

.price-note i {
    color: var(--secondary-color);
    margin-right: var(--spacing-xs);
}

/* ===================================
   FAQ Section
   =================================== */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 8px;
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: var(--spacing-md);
    background: white;
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
    transition: var(--transition);
}

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

.faq-question i {
    color: var(--secondary-color);
    transition: var(--transition);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--text-gray);
    line-height: 1.8;
}

/* ===================================
   Testimonials Section
   =================================== */
.testimonials {
    background-color: var(--bg-light);
}

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

.testimonial-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.testimonial-rating {
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.testimonial-info h4 {
    font-weight: 700;
    margin-bottom: 2px;
}

.testimonial-info p {
    font-size: 0.85rem;
    color: var(--text-gray);
}

/* ===================================
   Contact Section
   =================================== */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.company-description {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.contact-item {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

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

.contact-item i {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-top: 5px;
}

.contact-item h4 {
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.contact-item p {
    color: var(--text-gray);
    line-height: 1.6;
}

.contact-item a {
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 1.2rem;
}

.contact-hours {
    font-size: 0.85rem !important;
    margin-top: 5px;
}

.contact-form {
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: 12px;
}

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

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

.required {
    color: var(--accent-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.form-group textarea {
    resize: vertical;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: var(--bg-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-section h3 {
    font-size: 1.5rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.footer-section h4 {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.footer-section p {
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--secondary-color);
    color: var(--text-dark);
    transform: translateY(-3px);
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.footer-phone {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.footer-phone a {
    color: var(--secondary-color);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: opacity 0.2s;
}

.footer-phone a:hover,
.footer-phone a:active {
    opacity: 0.75;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

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

/* ===================================
   Scroll to Top Button
   =================================== */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

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

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 992px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title-sub {
        font-size: 1.2rem;
    }
    
    .process-connector {
        display: none;
    }
    
    .comparison-arrow {
        transform: rotate(90deg);
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background-color: rgba(26, 26, 26, 0.98);
        padding: var(--spacing-md);
        transition: left 0.3s ease;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: block;
    }
    .hero-content {
        padding-top: 20px !important;
    }

    .hero-title-sub {
        font-size: 1.1rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
    }

    .hero-description {
        font-size: 0.95rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .intro-grid,
    .features-grid,
    .gallery-grid,
    .price-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-container {
        flex-direction: column;
    }
    
    .comparison-arrow {
        font-size: 2rem;
    }
    
    .scroll-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }

    .hero-content {
        padding-top: 15px !important;
    }

    .hero-title-sub {
        font-size: 1rem;
    }

    /* 小さいスマホではdescriptionの改行を非表示 */
    .pc-br {
        display: none;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .price-value {
        font-size: 2.6rem;
    }

    .price-main {
        justify-content: center;
    }
}

/* PC向け：ヒーローコンテンツ余白をヘッダー分だけ確保 */
@media (min-width: 769px) {
    .hero-content {
        padding-top: 40px !important;
    }
}

/* ===================================
   iPhone12 mini / 小型スマホ向け最適化
   (375px以下・幅390px未満)
   =================================== */
@media (max-width: 390px) {
    /* ヒーロー全体の左右パディングを詰める */
    .hero-content {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }

    /* キャンペーンバナー：折り返し許可・フォント縮小 */
    .hero-campaign-banner {
        padding: 0.45rem 0.9rem;
        border-radius: 30px;
    }
    .hero-campaign-text {
        font-size: 0.75rem;
        white-space: normal;
        text-align: center;
    }
    .hero-campaign-text strong {
        font-size: 0.88rem;
    }

    /* サブタイトル */
    .hero-subtitle {
        font-size: 0.75rem;
        letter-spacing: 0.2em;
        margin-bottom: 0.6rem;
    }

    /* タイトル3段：全体縮小 */
    .hero-title-sub {
        font-size: 0.95rem;
    }
    .hero-title-main {
        font-size: 2.2rem;
    }
    .hero-title-accent {
        font-size: 1.4rem;
        letter-spacing: 0.2em;
    }

    /* 説明文 */
    .hero-description {
        font-size: 0.85rem;
        margin-bottom: 1.2rem;
    }

    /* アピールアイテム：間隔・パディング縮小 */
    .hero-appeal {
        gap: 0.6rem;
        margin: 1rem auto;
        max-width: 360px;
    }
    .hero-appeal-item {
        padding: 0.6rem 0.8rem;
        gap: 0.5rem;
    }
    .hero-appeal-item i {
        font-size: 1.2rem;
    }
    .appeal-title {
        font-size: 0.88rem;
        white-space: normal;
    }
    .appeal-sub {
        font-size: 0.68rem;
        white-space: normal;
    }

    /* CTAボタン */
    .btn-hero-cta {
        font-size: 0.9rem;
        padding: 0.8rem 1.5rem;
    }
    .btn-hero-sub {
        font-size: 0.82rem;
        padding: 0.7rem 1.2rem;
    }

    /* 料金プランカード */
    .price-grid {
        grid-template-columns: 1fr !important;
    }
    .price-value {
        font-size: 2.2rem !important;
    }
    .price-currency {
        font-size: 1.2rem;
    }
    .price-header h3 {
        font-size: 1.4rem;
    }
    .price-card {
        padding: 1.2rem 1rem;
    }
    .price-badge {
        font-size: 0.75rem;
        padding: 0.25rem 0.7rem;
    }
    .price-campaign-tag {
        font-size: 0.75rem;
        padding: 0.4rem 0.8rem;
    }

    /* セクションタイトル */
    .section-title {
        font-size: 1.35rem !important;
    }
}