/* =========================================
   Reset & Variables
   ========================================= */
:root {
    /* Colors */
    --primary: #D4AF37;
    /* Gold */
    --primary-dark: #aa8925;
    --secondary: #1A2530;
    /* Dark Navy / Black */
    --accent: #E5C158;

    --bg-dark: #0f151b;
    --bg-light: #1E293B;
    --bg-card: #253141;

    --text-main: #F8FAFC;
    --text-muted: #94A3B8;

    --white: #ffffff;
    --black: #000000;

    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Noto Sans JP', sans-serif;

    /* Spacing & Misc */
    --section-pad: 100px 0;
    --border-rad: 12px;
    --transition: 0.3s ease;
}

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

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: var(--bg-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

/* =========================================
   Typography
   ========================================= */
h1,
h2,
h3,
h4,
.section-title {
    line-height: 1.3;
}

.section-badge {
    display: inline-block;
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 15px;
    position: relative;
}

.section-badge::after {
    content: '';
    display: block;
    width: 40px;
    height: 2px;
    background: var(--primary);
    margin: 8px auto 0;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--white);
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
}

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

/* =========================================
   Buttons
   ========================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 700;
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--secondary);
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(212, 175, 55, 0.4);
}

.btn-large {
    padding: 20px 40px;
    font-size: 1.2rem;
    gap: 15px;
}

/* =========================================
   Header
   ========================================= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(15, 21, 27, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo-img {
    height: 35px;
    width: auto;
    display: block;
    /* ロゴSVGがデフォルトでは黒のようなので、ダーク背景にあわせて白色またはゴールドに変更（brightness等を使用） */
    filter: brightness(0) invert(1) sepia(100%) saturate(300%) hue-rotate(1deg) brightness(1.2) contrast(1.1);
}

.header-btn {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 8px 20px;
    font-size: 0.9rem;
}

.header-btn:hover {
    background: var(--primary);
    color: var(--secondary);
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('images/hero_bg.png');
    background-size: cover;
    background-position: center;
    z-index: -2;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(15, 21, 27, 0.95) 0%, rgba(15, 21, 27, 0.7) 50%, rgba(15, 21, 27, 0.3) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    margin: 0 5%;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 25px;
    background: linear-gradient(to right, #fff, #e0e0e0);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--white);
    margin-bottom: 15px;
    font-weight: 500;
    opacity: 0.9;
}

.hero-highlight {
    display: inline-flex;
    align-items: baseline;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.15) 0%, rgba(212, 175, 55, 0.05) 100%);
    border: 2px solid var(--primary);
    padding: 10px 30px;
    border-radius: 50px;
    margin-bottom: 35px;
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.2);
}

.hero-highlight .highlight-label {
    font-size: 1.4rem;
    color: var(--white);
    margin-right: 15px;
    font-weight: 700;
}

.hero-highlight .highlight-number {
    font-size: 4rem;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
}

.hero-highlight .highlight-unit {
    font-size: 1.5rem;
    color: var(--primary);
    margin-left: 5px;
    font-weight: 700;
}

.hero-lead {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 50px;
}

/* =========================================
   Problem Section
   ========================================= */
.problem-section {
    padding: var(--section-pad);
    background-color: var(--bg-light);
}

.problem-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    margin-bottom: 50px;
}

.problem-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-rad);
    padding: 30px 20px;
    text-align: center;
    flex: 1 1 250px;
    max-width: 300px;
    transition: var(--transition);
}

.problem-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.problem-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.problem-card p {
    font-size: 1.05rem;
    font-weight: 500;
}

.problem-solution {
    text-align: center;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(212, 175, 55, 0.05) 100%);
    border: 1px solid rgba(212, 175, 55, 0.3);
    padding: 40px;
    border-radius: var(--border-rad);
}

.problem-solution p {
    font-size: 1.5rem;
    color: var(--primary);
}

.problem-solution strong {
    font-size: 2rem;
    display: block;
    margin-top: 10px;
    color: var(--white);
}

/* =========================================
   Features Section (3大特徴)
   ========================================= */
.features-section {
    padding: var(--section-pad);
    background: url('data:image/svg+xml;utf8,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><path d="M50 0 L100 50 L50 100 L0 50 Z" fill="rgba(255,255,255,0.01)"/></svg>') repeat;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-rad);
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    position: relative;
    border-top: 4px solid var(--primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.feature-header {
    text-align: center;
    margin-bottom: 25px;
}

.feature-num {
    display: inline-block;
    background: var(--primary);
    color: var(--secondary);
    font-size: 0.9rem;
    font-weight: 700;
    padding: 5px 15px;
    border-radius: 4px;
    margin-bottom: 15px;
}

.feature-title {
    font-size: 1.6rem;
    color: var(--white);
    font-weight: 900;
}

.feature-reason {
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.2);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.feature-reason h4 {
    color: var(--primary);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.feature-reason p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-main);
}

.feature-list {
    margin-bottom: 25px;
    flex-grow: 1;
}

.feature-list li {
    font-size: 1.05rem;
    margin-bottom: 15px;
    color: var(--text-muted);
}

.feature-list.check-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    color: var(--white);
}

.feature-list.check-list li i {
    color: var(--primary);
}

.strike {
    text-decoration: line-through;
    color: rgba(255, 255, 255, 0.4);
}

.feature-result {
    text-align: center;
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px dashed rgba(255, 255, 255, 0.1);
}

.feature-result p {
    font-size: 1rem;
    color: var(--text-muted);
}

.result-price {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--primary);
    line-height: 1.1;
}

.result-price span {
    font-size: 1.5rem;
}

.feature-arrow {
    text-align: center;
    font-size: 2.5rem;
    color: rgba(212, 175, 55, 0.4);
    margin: 15px 0;
}

.feature-highlight {
    text-align: center;
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.4;
    background: rgba(255, 255, 255, 0.03);
    padding: 20px;
    border-radius: 8px;
    margin-top: auto;
}

.feature-highlight span {
    color: var(--primary);
    font-size: 1.5rem;
    display: inline-block;
    margin: 5px 0;
}

.feature-power {
    text-align: center;
    margin-top: 30px;
    margin-bottom: 20px;
    flex-grow: 1;
}

.power-label {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    padding: 4px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 15px;
    color: var(--white);
}

.power-list {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--white);
}

.power-list li {
    margin-bottom: 10px;
}

/* Responsive adjustments for features section */
@media (max-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

    .feature-card {
        padding: 30px 20px;
    }

    .feature-title {
        font-size: 1.4rem;
    }

    .result-price {
        font-size: 3rem;
    }

    .result-price span {
        font-size: 1.3rem;
    }

    .feature-arrow {
        font-size: 2rem;
    }

    .feature-highlight {
        font-size: 1.1rem;
    }

    .feature-highlight span {
        font-size: 1.3rem;
    }

    .power-list {
        font-size: 1.2rem;
    }
}

/* =========================================
   Content Strategy Section (CONTENT)
   ========================================= */
.content-section {
    padding: var(--section-pad);
    background-color: var(--bg-light);
}

.content-cycle-title {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--primary);
    border-radius: 50px;
    padding: 5px 30px 5px 5px;
    margin-top: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.cycle-label {
    background: #e74c3c;
    color: var(--white);
    padding: 8px 20px;
    border-radius: 50px;
    font-weight: 700;
    margin-right: 20px;
    font-size: 1.1rem;
}

.content-cycle-title h3 {
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: 900;
}

.content-columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.content-col {
    background: var(--bg-card);
    border-radius: var(--border-rad);
    padding: 25px 30px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.content-col.facility-col {
    border: 4px solid #e74c3c;
}

.content-col.maker-col,
.content-col.ad-col {
    border: 1px solid #fff;
}

.col-head {
    text-align: center;
    padding-bottom: 15px;
    margin-bottom: 25px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.05);
    position: relative;
}

.head-top-label {
    display: inline-block;
    background: #e74c3c;
    color: var(--white);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 4px 15px;
    border-radius: 20px;
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
}

.col-head h4 {
    font-size: 1.4rem;
    color: var(--white);
    font-weight: 700;
}

.head-num {
    color: #e74c3c;
    font-size: 1.6rem;
    font-weight: 900;
    margin-left: 5px;
}

.content-list {
    flex-grow: 1;
    margin-bottom: 25px;
}

.content-list li {
    font-size: 1rem;
    margin-bottom: 15px;
}

.content-images {
    margin-top: auto;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
    padding: 5px;
}

.content-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
}

.content-section-subtitle {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    text-align: center;
    margin-bottom: 8px;
}

.content-columns-wrapper {
    position: relative;
    margin-bottom: 16px;
}

/* SP用バッジはデフォルト非表示 */
.content-total-badge-sp {
    display: none;
}

/* メーカーチャンネル・広告カード：SP用バッジの絶対配置基準 */
.content-col.maker-col,
.content-col.ad-col {
    position: relative;
}

.content-total-badge {
    position: absolute;
    top: -18px;
    left: calc(66.66% - 35px);
    width: 70px;
    height: 70px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.total-label {
    color: #e74c3c;
    font-size: 0.85rem;
    font-weight: 700;
    line-height: 1.2;
}

.total-num {
    color: #e74c3c;
    font-size: 1.1rem;
    font-weight: 900;
    line-height: 1.2;
}

.content-col-note {
    text-align: center;
    color: var(--white);
    font-size: 0.9rem;
    margin-bottom: 30px;
    opacity: 0.8;
}

.content-bottom-banner {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #e74c3c;
    border-radius: var(--border-rad);
    overflow: hidden;
    padding: 25px 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.content-bottom-banner h3 {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 900;
    line-height: 1.3;
    text-align: center;
}

.sp-br {
    display: none;
}

/* =========================================
   UseCase Section
   ========================================= */
.usecase-section {
    padding: var(--section-pad);
    background: var(--bg-dark);
}

.usecase-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.usecase-card {
    background: var(--bg-card);
    border-radius: var(--border-rad);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.usecase-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

/* =========================================
   Benefits Section
   ========================================= */
.benefit-section {
    padding: var(--section-pad);
    background: var(--bg-dark);
}

.comparison-table-wrapper {
    overflow-x: auto;
    margin-bottom: 40px;
}

.comparison-table {
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--border-rad);
    overflow: hidden;
}

.comparison-table th,
.comparison-table td {
    padding: 25px 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.comparison-table th {
    font-size: 1.2rem;
    font-weight: 700;
}

.comparison-table td.feature-name {
    font-weight: 700;
    font-size: 1.1rem;
    text-align: left;
    color: var(--white);
}

.old-way {
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-muted);
}

.new-way {
    background: rgba(212, 175, 55, 0.1);
    color: var(--primary);
    font-size: 1.3rem;
}

.highlight-cell {
    color: var(--primary);
    font-weight: 700;
    font-size: 1.1rem;
    background: rgba(212, 175, 55, 0.05);
}

.benefit-conclusion {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
}

.benefit-conclusion .highlight-text {
    color: var(--primary);
    font-size: 2.5rem;
}

/* =========================================
   Cost Section (費用)
   ========================================= */
.cost-section {
    padding: var(--section-pad);
    background-color: var(--bg-light);
}

.cost-section .section-title {
    letter-spacing: 0.5em;
    /* 費 用 と間をあける */
}

.cost-section .section-subtitle {
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--white);
    margin-top: 15px;
}

.cost-breakdown {
    max-width: 900px;
    margin: 0 auto;
}

.cost-total-bar {
    background: #6a96a3;
    /* 画像のブルーグレーに近い色 */
    color: #fff;
    text-align: center;
    padding: 15px;
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 4px;
    margin-bottom: 30px;
}

.sp-show {
    display: none;
}

.pc-show {
    display: inline;
}

.cost-box-price-wrap {
    display: block;
}

.cost-boxes {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.cost-box {
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.1);
    flex: 1;
    text-align: center;
    padding: 30px 15px;
    border-radius: 4px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.cost-box-head {
    background: #6a96a3;
    color: #fff;
    display: inline-block;
    padding: 8px 25px;
    border-radius: 30px;
    font-weight: 700;
    margin-bottom: 25px;
    font-size: 1.1rem;
}

.cost-box-price {
    font-size: 3rem;
    font-weight: 900;
    color: #333;
    line-height: 1;
}

.cost-box-price span {
    font-size: 1.5rem;
}

.strike-price {
    position: relative;
    display: inline-block;
}

.strike-price::after,
.strike-price::before {
    content: '';
    position: absolute;
    left: -10%;
    width: 120%;
    height: 3px;
    background: #e74c3c;
}

.strike-price::after {
    top: 45%;
}

.strike-price::before {
    top: 55%;
}

.cost-plus {
    font-size: 3rem;
    color: #888;
    margin: 0 15px;
}

.cost-note {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.cost-arrow {
    text-align: center;
    font-size: 3rem;
    color: #e3a89e;
    /* 画像の薄い赤矢印に近い色 */
    margin: 10px 0 20px;
}

.cost-zero-result {
    text-align: center;
    font-size: 2rem;
    font-weight: 900;
    color: var(--white);
    margin-bottom: 10px;
    display: flex;
    align-items: baseline;
    justify-content: center;
}

.cost-zero-result .zero-num {
    font-size: 6rem;
    color: #e74c3c;
    line-height: 1;
    margin: 0 5px;
}

.cost-zero-result .zero-unit {
    font-size: 2.5rem;
    color: #e74c3c;
}

.cost-big-plus {
    text-align: center;
    font-size: 4rem;
    color: #888;
    margin: 0 0 20px;
}

.cost-operation-banner {
    background: #fdf5f4;
    /* ごく薄い赤背景 */
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.operation-badge {
    background: #e74c3c;
    color: #fff;
    padding: 8px 15px;
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 4px;
    white-space: nowrap;
}

.cost-operation-banner p {
    color: #e74c3c;
    font-size: 1.6rem;
    font-weight: 900;
    margin: 0;
}

.cost-contact-note {
    text-align: center;
    font-size: 0.9rem;
    color: var(--white);
    font-weight: 700;
}

/* =========================================
   Safety & Specs Section
   ========================================= */
.specs-section {
    padding: var(--section-pad);
    background: var(--bg-light);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.spec-card {
    text-align: center;
    padding: 40px 20px;
    background: var(--bg-card);
    border-radius: var(--border-rad);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.spec-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary);
}

.spec-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--white);
}

.spec-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* =========================================
   FAQ Section
   ========================================= */
.faq-section {
    padding: var(--section-pad);
    background: var(--bg-dark);
}

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

.faq-item {
    margin-bottom: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-rad);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 25px 30px;
    background: var(--bg-card);
    border: none;
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 700;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    background: rgba(255, 255, 255, 0.05);
}

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

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: rgba(25, 33, 44, 0.5);
}

.faq-answer p {
    padding: 20px 30px;
    color: var(--text-muted);
    line-height: 1.8;
}

/* =========================================
   Footer
   ========================================= */
.footer {
    background: linear-gradient(to bottom, var(--bg-dark) 0%, #000 100%);
    padding: 80px 0 30px;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    text-align: center;
}

.footer-title {
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 40px;
}

.footer-cta {
    margin-bottom: 60px;
}

.company-info {
    margin-bottom: 40px;
    color: var(--text-muted);
}

.company-info h3 {
    color: var(--white);
    margin-bottom: 15px;
}

.company-info p {
    margin-bottom: 5px;
}

.copyright {
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 20px;
}

/* =========================================
   Animations
   ========================================= */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Cost Section Responsive */
@media (max-width: 768px) {
    .cost-breakdown {
        font-size: 0.9rem;
    }

    .cost-boxes {
        flex-direction: column;
        /* 縦並びに戻す */
        gap: 15px;
    }

    .cost-box {
        padding: 30px 15px;
        width: 100%;
    }

    .cost-box-head {
        font-size: 1rem;
        padding: 8px 15px;
        margin-bottom: 20px;
        border-radius: 20px;
    }

    .cost-box-price {
        font-size: 2.5rem;
    }

    .cost-box-price span {
        font-size: 1.2rem;
    }

    .sp-show {
        display: inline;
    }

    .sp-show.price-label {
        display: inline-block;
        font-size: 1.1rem;
        font-weight: 700;
        color: #333;
        margin-right: 5px;
    }

    .pc-show {
        display: none;
    }

    .cost-box-price-wrap {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .cost-plus {
        margin: 10px 0;
        font-size: 2.5rem;
        transform: rotate(90deg);
        /* 縦並びなので＋記号も縦向きに */
    }

    .cost-section .section-subtitle {
        font-size: 1.1rem;
    }

    .cost-total-bar {
        font-size: 0.9rem;
        padding: 10px;
        margin-bottom: 20px;
    }

    .cost-zero-result {
        font-size: 1.2rem;
        flex-direction: column;
        align-items: center;
    }

    .cost-zero-result .zero-num {
        font-size: 4rem;
    }

    .cost-operation-banner {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }

    .cost-operation-banner p {
        font-size: 1.2rem;
    }
}

/* =========================================
   Responsive
   ========================================= */
@media (max-width: 992px) {
    /* CONTENTセクション サブタイトル */
    .content-section-subtitle {
        font-size: 1.5rem;
        line-height: 1.5;
    }

    /* サイクルタイトルを縦並びに変更 */
    .content-cycle-title {
        flex-direction: column;
        border-radius: 20px;
        padding: 24px 20px;
        gap: 16px;
        width: 100%;
        box-sizing: border-box;
    }

    .cycle-label {
        margin-right: 0;
        font-size: 1rem;
    }

    .content-cycle-title h3 {
        font-size: 1.25rem;
        text-align: center;
        line-height: 1.6;
    }

    /* カラムを1列に・gap を0にしてカード間を個別制御 */
    .content-columns {
        grid-template-columns: 1fr;
        gap: 0;
    }

    /* facility の下だけ余白を確保 */
    .content-col.facility-col {
        margin-bottom: 20px;
    }

    /* 建物からのお知らせ のラベル用マージン */
    .col-head.facility-head {
        margin-top: 25px;
    }

    /* デスクトップ用の円形バッジを非表示 */
    .content-total-badge {
        display: none;
    }

    /* SP用 合計12枠バッジ */
    .content-total-badge-sp {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: #fff;
        border-radius: 20px;
        padding: 4px 20px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        position: absolute;
        top: -14px;
        left: 50%;
        transform: translateX(-50%);
        white-space: nowrap;
        z-index: 10;
    }

    .content-col.maker-col {
        padding-top: 28px;
        overflow: visible;
    }

    .content-total-badge-sp .total-label {
        color: #e74c3c;
        font-size: 0.8rem;
        font-weight: 700;
    }

    .content-total-badge-sp .total-label-bold {
        color: #e74c3c;
        font-size: 0.8rem;
        font-weight: 900;
    }

    .content-total-badge-sp .total-num {
        color: #e74c3c;
        font-size: 1.25rem;
        font-weight: 900;
    }

    .content-bottom-banner {
        padding: 25px 20px;
    }

    .content-bottom-banner h3 {
        font-size: 1.5rem;
    }

    .usecase-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-subtitle strong {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .feature-title {
        font-size: 1.4rem;
    }
}