/* ========================================
   リセット & ベーススタイル
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* カラーパレット */
    --primary-color: #0066cc;
    --primary-dark: #004999;
    --primary-light: #3385d6;
    --secondary-color: #ff6b35;
    --accent-color: #ffa500;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;

    /* グレースケール */
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --text-light: #757575;
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-dark: #1a1a2e;
    --border-color: #e0e0e0;

    /* シャドウ */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);

    /* フォント */
    --font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* スペーシング */
    --section-padding: 100px 0;
    --container-padding: 0 20px;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

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

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

.sp_br {
    display: none;
}

@media (max-width: 768px) {
    :root {
        /* スペーシング */
        --section-padding: 60px 0;
    }

    .sp_br {
        display: block;
    }
}

/* ========================================
   ヘッダー
======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    font-size: 1.5rem;
}

.nav {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav a {
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.nav a:hover {
    color: var(--primary-color);
}

.btn-header {
    background: var(--primary-color);
    color: white !important;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 500;
    gap: 10px;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: white;
    box-shadow: var(--shadow-lg);
    padding: 20px;
    flex-direction: column;
    gap: 20px;
    z-index: 999;
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a {
    padding: 15px;
    text-align: center;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.mobile-menu a:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .logo span {
        line-height: 1.2em;
    }
}

/* ========================================
   ヒーローセクション
======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
    background-image:
        linear-gradient(135deg, rgba(15, 32, 39, 0.95) 0%, rgba(32, 58, 67, 0.92) 50%, rgba(44, 83, 100, 0.95) 100%),
        url('/images/hero-bg.jpg');
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
    radial-gradient(circle at 20% 50%, rgb(5 48 91 / 90%) 0%, transparent 50%), radial-gradient(circle at 80% 80%, #11253a 0%, transparent 50%);
    z-index: 0;
}

.hero-background-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url(../images/fv_bg7.png) no-repeat center center;
    background-size: cover;
    z-index: 1;
    opacity: 0.2;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
}

.hero-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: rgba(255, 107, 53, 0.2);
    border: 2px solid var(--secondary-color);
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 500;
    width: fit-content;
    margin: 0 auto 30px;
    animation: pulse 2s infinite;
    position: relative;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.hero-badge i {
    color: var(--secondary-color);
}

@media (max-width: 768px) {
    .hero-badge {
        margin-left: auto;
        margin-right: auto;
    }
}

.hero-title-txt {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 8px;
}

.hero-title-txt p {
    font-size: 1.3rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-title-txt img {
    height: 30px;
    width: auto;
    object-fit: contain;
}

.hero-title-txt img:first-of-type {
    transform: scale(-1, 1);
}

@media (max-width: 768px) {
    .hero-title-txt {
        align-items: flex-end;
        margin-bottom: 16px;
    }

    .hero-title-txt p {
        font-size: 1.2rem;
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 30px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

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

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.8;
    margin-bottom: 50px;
    opacity: 0.95;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    min-width: 220px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-5px);
}

.stat-price-compare {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: -2px;
    min-height: 32px;
}

.stat-normal-price {
    font-size: 1.3rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.4);
    text-decoration: line-through;
}

.stat-arrow {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

@keyframes arrow-pulse {

    0%,
    100% {
        transform: translateX(0);
        opacity: 1;
    }

    50% {
        transform: translateX(3px);
        opacity: 0.9;
    }
}

.stat-spacer {
    visibility: hidden;
}

.stat-number {
    font-size: 3.2rem;
    font-weight: 900;
    color: var(--accent-color);
    margin-bottom: 10px;
    line-height: 1;
    text-shadow: 0 2px 8px rgba(255, 152, 0, 0.2);
}

.stat-number span {
    font-size: 1.5rem;
    font-weight: 700;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-trust {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    padding: 15px 30px;
    border-radius: 50px;
    font-size: 0.95rem;
}

.hero-trust i {
    color: var(--success-color);
    font-size: 1.2rem;
}

/* ========================================
   ボタンスタイル
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    justify-content: center;
}

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

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

.btn-secondary {
    background: white;
    color: var(--primary-color);
    border: 2px solid white;
}

.btn-secondary:hover {
    background: transparent;
    color: white;
    transform: translateY(-3px);
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.1rem;
    position: relative;
    width: 100%;
}

.pricing-cards .btn-large {
    margin: 0 auto;
    width: fit-content;
    display: block;
}

/* ========================================
   セクション共通スタイル
======================================== */
section {
    padding: var(--section-padding);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: 20px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    letter-spacing: 0.03em;
    flex-wrap: wrap;
}

.problems .section-title {
    color: #0066cc;

}


.section-title.white {
    color: white;
}

.title-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-size: 1.5rem;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 60px;
    line-height: 1.8;
}

.section-subtitle-top {
    color: #0066cc;
    font-size: 1rem;
    text-align: center;
    font-weight: 800;
    letter-spacing: 0.03em;
    margin-bottom: -2px;
}

@media (max-width: 768px) {
    .section-subtitle {
        text-align: left;
    }
}

/* ========================================
   課題セクション
======================================== */
.problems {
    background: var(--bg-secondary);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.problem-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

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

.problem-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    color: white;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 20px;
}

.problem-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.problem-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   脅威トレンドセクション
======================================== */
.threat-trend {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
}

.threat-alert {
    background: rgba(255, 107, 53, 0.2);
    border: 2px solid var(--secondary-color);
    padding: 20px 30px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 40px;
    font-size: 1.1rem;
    font-weight: 600;
}

.threat-alert i {
    font-size: 1.5rem;
    color: var(--secondary-color);
}

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

.trend-main {
    text-align: center;
}

.trend-items {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-top: 40px;
}

.trend-item {
    display: flex;
    gap: 30px;
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.trend-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(10px);
}

.trend-number {
    font-size: 2rem;
    font-weight: 900;
    color: var(--accent-color);
    min-width: 60px;
}

.trend-content-inner {
    text-align: left;
}

.trend-content-inner h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.trend-content-inner p {
    line-height: 1.8;
    opacity: 0.95;
}

@media (max-width: 768px) {
    .trend-content-inner h3 {
        flex-direction: column;
    }
}

/* ========================================
   ソリューションセクション
======================================== */
.solution {
    background: var(--bg-primary);
}

.solution-header {
    max-width: 900px;
    margin: 0 auto 60px;
}

.solution-visual {
    max-width: 1000px;
    margin: 0 auto;
}

.solution-flow {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.flow-item {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 150px;
    padding-top: 0;
}

.flow-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    margin: 0 auto 15px;
    box-shadow: var(--shadow-lg);
}

.flow-icon.sender {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.flow-icon.filter {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    animation: pulse-shield 2s infinite;
    position: relative;
    transform-origin: center center;
}

.flow-icon.filter::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    animation: pulse-ring 2s infinite;
    pointer-events: none;
}

@keyframes pulse-shield {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

@keyframes pulse-ring {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(0, 102, 204, 0.7);
    }

    50% {
        box-shadow: 0 0 0 20px rgba(0, 102, 204, 0);
    }
}

.flow-icon.mailserver {
    background: linear-gradient(135deg, #43cea2 0%, #185a9d 100%);
}

.flow-label {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.flow-sublabel {
    font-size: 0.9rem;
    color: var(--text-light);
}

.flow-arrow {
    font-size: 2rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    height: 100px;
    margin: 0;
}

.solution-note {
    background: linear-gradient(135deg, #e9f4fe 0%, #e9f4fe 100%);
    padding: 25px 30px;
    border-radius: 0px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    width: 80%;
    max-width: 800px;
    margin: 0 auto;
}

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

.solution-foundation {
    margin-top: 60px;
    padding: 50px 40px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.solution-foundation h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 40px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.solution-foundation h3 i {
    color: var(--accent-color);
    font-size: 2rem;
}

.foundation-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.foundation-item {
    background: white;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.foundation-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.foundation-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 10px 18px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.foundation-badge i {
    font-size: 1.1rem;
}

.foundation-item p {
    line-height: 1.8;
    color: var(--text-secondary);
}

.foundation-item .inline-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px solid var(--primary-color);
    transition: all 0.3s ease;
}

.foundation-item .inline-link:hover {
    color: var(--primary-dark);
    border-bottom-color: var(--primary-dark);
    background: rgba(0, 102, 204, 0.05);
    padding: 2px 4px;
    margin: -2px -4px;
    border-radius: 3px;
}

.foundation-link {
    text-align: center;
    margin-top: 40px;
}

.foundation-link a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.1rem;
    padding: 12px 30px;
    border: 2px solid var(--primary-color);
    border-radius: 30px;
    transition: all 0.3s ease;
}

.foundation-link a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.3);
}

/* ========================================
   機能セクション
======================================== */
.features {
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    text-align: center;
}

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

.feature-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 25px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
}

.feature-icon.virus {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.feature-icon.phishing {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.feature-icon.targeted {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.feature-icon.spam {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.feature-icon.ai {
    background: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
}

.feature-icon.pmm {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    color: var(--primary-dark);
}

.feature-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   メリットセクション
======================================== */
.benefits {
    background: var(--bg-primary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.benefit-card {
    background: linear-gradient(135deg, white 0%, var(--bg-secondary) 100%);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.benefit-card:nth-of-type(3) .benefit-highlight {
    background: #e9f4fe;
    border-radius: 0;
    color: var(--text-secondary);
    position: relative;
    width: 100%;
    margin-top: 20px;
    padding: 16px;
    border: none;
}

.benefit-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.benefit-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-color);
    color: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 20px;
}

.benefit-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.benefit-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 15px;
}

.benefit-highlight {
    display: inline-block;
    background: white;
    border: 2px solid var(--secondary-color);
    color: var(--text-secondary);
    padding: 6px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.benefit-highlight .strike-price {
    font-weight: 600;
}

.benefit-highlight .campaign-tag-small {
    position: absolute;
    padding: 4px 12px;
    border-radius: 3px;
    font-size: 0.8rem;
    content: '';
    top: -25px;
    margin-left: 0;
    left: 50%;
    transform: translateX(-50%);
}

.benefit-highlight .campaign-tag-small::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -9px;
    width: 12px;
    height: 12px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    transform: rotate(45deg) translateX(-50%);
    border-radius: 2px;
    box-shadow: 0 2px 6px rgba(255, 107, 107, 0.25);
}

/* ========================================
   料金セクション
======================================== */
.pricing {
    background: var(--bg-secondary);
}

.pricing-cards {
    display: flex;
    justify-content: center;
    margin-bottom: 60px;
}

.pricing-card {
    background: white;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    padding: 50px 40px;
    max-width: 450px;
    width: 100%;
    position: relative;
    border: 3px solid var(--primary-color);
}

.pricing-card.recommended {
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    --pulse-base-transform: translateX(-50%);
    background: var(--secondary-color);
    color: white;
    padding: 8px 24px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
}

.pricing-badge.campaign {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: var(--pulse-base-transform, translateX(0)) scale(1);
    }

    50% {
        transform: var(--pulse-base-transform, translateX(0)) scale(1.05);
    }
}

.campaign-deadline {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    color: white;
    padding: 10px 20px;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.campaign-banner {
    background: linear-gradient(135deg, #fff4e6 0%, #ffe8cc 100%);
    border: 2px solid var(--accent-color);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    font-size: 1.1rem;
}

.campaign-banner i {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.campaign-notice {
    background: linear-gradient(135deg, #fff4e6 0%, #ffe8cc 100%);
    border: 2px solid var(--accent-color);
    padding: 15px 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 1.1rem;
}

.pricing-details .campaign-notice i {
    font-size: 1.3rem;
    color: var(--accent-color);
}

.campaign-tag {
    display: inline-block;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-left: 8px;
    vertical-align: middle;
}

.campaign-tag-small {
    display: inline-block;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    color: white;
    padding: 3px 8px;
    border-radius: 8px;
    font-size: 0.65rem;
    font-weight: 700;
    margin-left: 6px;
    vertical-align: middle;
}

.campaign-tag-inline {
    display: inline-block;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    color: white;
    padding: 3px 10px;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 700;
    margin-left: 8px;
    vertical-align: middle;
}

.campaign-tag-hero {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    display: inline-block;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    color: white;
    padding: 10px 12px;
    border-radius: 3px;
    font-size: 0.8rem;
    font-weight: 700;
    white-space: nowrap;
    box-shadow: 0 2px 6px rgba(255, 107, 107, 0.3);
    line-height: 1;
    z-index: 2;
}

.campaign-tag-hero::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -9px;
    width: 12px;
    height: 12px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    transform: rotate(45deg) translateX(-50%);
    border-radius: 2px;
    box-shadow: 0 2px 6px rgba(255, 107, 107, 0.25);
}

@keyframes tag-glow {

    0%,
    100% {
        box-shadow: 0 2px 8px rgba(255, 107, 107, 0.4);
    }

    50% {
        box-shadow: 0 4px 12px rgba(255, 107, 107, 0.6);
    }
}

.pricing-header {
    text-align: center;
    margin-bottom: 30px;
}

.pricing-header h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.price-comparison {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.price-normal {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.normal-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.normal-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: #999;
    text-decoration: line-through;
}

.price-arrow {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

.price-campaign {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.strike-price {
    text-decoration: line-through;
    color: #999;
    font-weight: 400;
    margin-right: 8px;
}

.pricing-amount {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 5px;
    margin-bottom: 10px;
}

.currency {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.price {
    font-size: 4rem;
    font-weight: 900;
    color: var(--primary-color);
}

.unit {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.pricing-period {
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 5px;
}

.pricing-additional {
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 500;
}

.pricing-features {
    margin-bottom: 30px;
}

.pricing-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.pricing-feature i {
    color: var(--success-color);
    font-size: 1.2rem;
}

.pricing-feature span {
    font-size: 1rem;
    color: var(--text-secondary);
}

.pricing-note {
    background: var(--bg-secondary);
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.pricing-note i {
    color: var(--primary-color);
}

.pricing-details {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.pricing-details h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.pricing-details ul {
    list-style: none;
}

.pricing-details li {
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.05rem;
}

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

.pricing-details i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.pricing-details .fa-check-circle {
    color: var(--success-color);
}

.pricing-details .fa-info-circle {
    color: var(--primary-color);
}

.pricing-details .fa-times-circle {
    color: #e74c3c;
}

/* ========================================
   導入フローセクション
======================================== */
.implementation {
    background: var(--bg-primary);
}

.implementation-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.step-item {
    background: white;
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    max-width: 300px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

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

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
}

.step-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 20px auto 25px;
}

.step-item h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.step-item p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 15px;
}

.step-duration {
    display: inline-block;
    background: var(--bg-secondary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
}

.step-arrow {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.implementation-note {
    max-width: 900px;
    margin: 0 auto;
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    padding: 30px 40px;
    border-radius: 16px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.implementation-note i {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-top: 5px;
}

.implementation-note strong {
    display: block;
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.implementation-note p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   FAQセクション
======================================== */
.faq {
    background: var(--bg-secondary);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    margin-bottom: 20px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    padding: 25px 30px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 20px;
    background: white;
    transition: all 0.3s ease;
}

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

.faq-question i {
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

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

.faq-question h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

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

.faq-item.active .faq-answer {
    max-height: 2000px;
}

.faq-answer p {
    padding: 0 30px 25px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.faq-answer h4 {
    padding: 20px 30px 10px;
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 700;
    margin-top: 15px;
}

.faq-answer h4:first-of-type {
    margin-top: 0;
}

.faq-answer ul {
    padding: 0 30px 15px 60px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.faq-answer ul li {
    margin-bottom: 12px;
    position: relative;
}

.faq-answer ul li strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* ========================================
   お問い合わせフォームセクション
======================================== */
.contact-form-section {
    background: var(--bg-secondary);
    padding: 100px 0;
}

.contact-form-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 50px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-group .required {
    color: #e74c3c;
    font-size: 0.85rem;
    margin-left: 5px;
    background: #ffe5e5;
    padding: 2px 8px;
    border-radius: 4px;
}

.form-group .optional {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-left: 5px;
    background: var(--bg-secondary);
    padding: 2px 8px;
    border-radius: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Noto Sans JP', sans-serif;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

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

.form-privacy {
    margin-top: 10px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.95rem;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

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

.form-submit {
    margin-top: 15px;
}

.form-submit button {
    width: 100%;
}

.form-note {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: var(--bg-secondary);
    padding: 15px 20px;
    border-radius: 8px;
    margin-top: 10px;
}

.form-note i {
    color: var(--primary-color);
    margin-top: 3px;
}

.form-note p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.form-note a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.form-note a:hover {
    text-decoration: underline;
}

/* フォーム送信後のメッセージ */
.form-success-message,
.form-error-message {
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: none;
}

.form-success-message {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.form-error-message {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.form-success-message.show,
.form-error-message.show {
    display: block;
}

/* ========================================
   CTAセクション
======================================== */
.cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-bg {
    background: url(../images/cta_bg.png)repeat center center;
    width: 100%;
    height: 636px;
    position: absolute;
    right: 0;
    top: 0;
    opacity: 0.15;
    background-size: cover;
    z-index: 0;
}

.cta-content h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.cta .container {
    position: relative;
    z-index: 1;
}

.cta-content h2 .cta-container-ttl {
    color: #ffa500;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    line-height: 1.8;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.cta-info {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.05rem;
}

.info-item i {
    font-size: 1.3rem;
}

.tel-info-item {
    margin-bottom: 20px;
    display: inline-flex;
    gap: 10px;
}

.tel-info-item span {
    font-weight: 500;
}

.tel-info-item img {
    width: auto;
    height: 20px;
}

.tel-info-item img:first-of-type {
    transform: scale(-1, 1);
}

/* 会社名リンクスタイル */
.company-link {
    color: inherit;
    text-decoration: underline;
    text-decoration-color: rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.company-link:hover {
    text-decoration-color: rgba(255, 255, 255, 1);
    opacity: 0.8;
}

.footer .company-link {
    text-decoration-color: rgba(255, 255, 255, 0.5);
}

.footer .company-link:hover {
    text-decoration-color: rgba(255, 255, 255, 1);
    color: var(--primary-light);
}

/* ========================================
   プライバシーポリシーページ
======================================== */
.privacy-policy {
    background: var(--bg-secondary);
    padding: 120px 0 80px;
    min-height: 100vh;
}

.privacy-content {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    padding: 60px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.privacy-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.privacy-title i {
    font-size: 2.2rem;
}

.privacy-intro {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 50px;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.privacy-section {
    margin-bottom: 40px;
}

.privacy-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
}

.privacy-section p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.privacy-section ul {
    margin: 15px 0 15px 25px;
    padding: 0;
}

.privacy-section ul li {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 10px;
    position: relative;
    padding-left: 10px;
}

.privacy-section ul li::before {
    content: "•";
    color: var(--primary-color);
    font-weight: bold;
    position: absolute;
    left: -15px;
}

.contact-info {
    background: var(--bg-secondary);
    padding: 25px;
    border-radius: 8px;
    margin-top: 20px;
}

.contact-info p {
    margin-bottom: 8px;
    color: var(--text-primary);
}

.contact-info a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

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

.privacy-footer {
    margin-top: 60px;
    padding-top: 30px;
    border-top: 2px solid var(--bg-secondary);
    text-align: right;
    color: var(--text-secondary);
}

.privacy-footer p {
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.back-to-top-section {
    margin-top: 50px;
    text-align: center;
}

/* プライバシーポリシーページのレスポンシブ対応 */
@media (max-width: 768px) {
    .privacy-content {
        padding: 40px 30px;
    }

    .privacy-title {
        font-size: 2rem;
        flex-direction: column;
        gap: 10px;
    }

    .privacy-section h2 {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .privacy-content {
        padding: 30px 20px;
    }

    .privacy-title {
        font-size: 1.6rem;
    }

    .privacy-section h2 {
        font-size: 1.2rem;
    }
}

/* ========================================
   フッター
======================================== */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.footer-section h4 i {
    margin-top: 8px;
}

.footer-section p {
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 12px;
}

.footer-section a {
    opacity: 0.9;
    transition: all 0.3s ease;
}

.footer-section a:hover {
    opacity: 1;
    color: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

/* ========================================
   ページトップボタン
======================================== */
.page-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

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

.page-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

/* ========================================
   レスポンシブデザイン
======================================== */
@media (max-width: 768px) {
    .nav {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-stats {
        gap: 30px;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta i {
        position: absolute;
        right: 16px;
        top: 50%;
        transform: translateY(-50%);
    }

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

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

    .trend-item {
        flex-direction: column;
        text-align: center;
    }

    .solution-flow {
        flex-direction: column;
        align-items: center;
        gap: 0;
    }

    .solution-foundation {
        padding: 30px 20px;
    }

    .solution-foundation h3 {
        font-size: 1.4rem;
    }

    .solution-note {
        width: 100%;
    }

    .pricing-badge.campaign {
        --pulse-base-transform: translateX(-50%);
        width: max-content;
    }

    .pricing-header h3 {
        font-size: 1.6rem;
    }

    .price-comparison {
        flex-direction: column;
        gap: 6px;
    }

    .price-arrow {
        transform: rotate(90deg);
    }

    .pricing-note {
        text-align: left;
    }

    .pricing-details li {
        flex-wrap: wrap;
        gap: 10px;
    }

    .campaign-notice {
        font-size: 1rem;
    }

    .foundation-content {
        grid-template-columns: 1fr;
    }

    .flow-arrow {
        transform: rotate(90deg);
        margin: 15px 0;
    }

    .implementation-steps {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .cta-content h2 {
        font-size: 2rem;
    }

    .cta-content p {
        font-size: 1rem;
    }

    .cta-info{
        gap:10px;
    }

    .tel-info-item {
        align-items: flex-end;
    }

    .contact-form-container {
        padding: 30px 25px;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.6rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .pricing-note {
        font-size: 0.8rem;
    }

    .btn-large {
        padding: 14px 28px;
        font-size: 0.9rem;
        position: relative;
        width: 100%;
    }

    .btn-large i {
        position: absolute;
        top: 50%;
        left: 24px;
        transform: translateY(-50%);
    }

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

/* ========================================
   アニメーション
======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}