/* ========================================
   リセット & 基本設定
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Helvetica Neue', 'Arial', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Meiryo', sans-serif;
    line-height: 1.8;
    color: #333;
    background-color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
    color: #2c3e50;
    line-height: 1.4;
}

h2 .subtitle {
    display: block;
    font-size: 1.2rem;
    font-weight: normal;
    color: #7f8c8d;
    margin-top: 10px;
}

h3 {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 20px;
    line-height: 1.4;
}

h3 .subtitle {
    display: block;
    font-size: 1rem;
    font-weight: normal;
    color: #7f8c8d;
    margin-top: 5px;
}

h4 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 15px;
}

p {
    margin-bottom: 15px;
}

.lead {
    font-size: 1.1rem;
    line-height: 2;
    text-align: center;
    margin-bottom: 40px;
    color: #555;
}

.note {
    font-size: 0.9rem;
    color: #95a5a6;
    line-height: 1.6;
}

/* ========================================
   ボタン
======================================== */
.cta-button {
    display: inline-block;
    padding: 18px 40px;
    font-size: 1.1rem;
    font-weight: bold;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    text-align: center;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
}

.cta-button:active {
    transform: scale(0.97);
    opacity: 0.9;
}

.cta-button.primary {
    background: #fff;
    color: #667eea;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 2px solid transparent;
    position: relative;
    animation: pulse 2s ease-in-out infinite;
}

.cta-button.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    border-color: #fff;
    background: rgba(255, 255, 255, 0.95);
    animation: none;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2), 0 0 0 0 rgba(255, 255, 255, 0.7);
    }
    50% {
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2), 0 0 0 10px rgba(255, 255, 255, 0);
    }
}

.cta-button.secondary {
    background: #fff;
    color: #667eea;
    border: 3px solid #667eea;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.15);
}

.cta-button.secondary:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
}

.cta-button.large {
    padding: 25px 50px;
    font-size: 1.3rem;
}

/* ========================================
   ファーストビュー
======================================== */
.hero {
    background: #000;
    color: #fff;
    padding: 100px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* 背景画像レイヤー（最下層） */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 300%;
    height: 100%;
    background-size: cover;
    background-position: 0 center;
    background-repeat: no-repeat;
    z-index: 0;
    transition: transform 1.5s ease-in-out;
}

.hero.bg-1::before {
    background-image: url('img/hero-bg.webp'), url('img/hero-bg2.webp'), url('img/hero-bg3.webp');
    background-position: 0 center, 100% center, 200% center;
    transform: translateX(0);
}

.hero.bg-2::before {
    background-image: url('img/hero-bg.webp'), url('img/hero-bg2.webp'), url('img/hero-bg3.webp');
    background-position: 0 center, 100% center, 200% center;
    transform: translateX(-33.333%);
}

.hero.bg-3::before {
    background-image: url('img/hero-bg.webp'), url('img/hero-bg2.webp'), url('img/hero-bg3.webp');
    background-position: 0 center, 100% center, 200% center;
    transform: translateX(-66.666%);
}

/* グラデーションレイヤー（半透明オーバーレイ） */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.85) 0%, rgba(118, 75, 162, 0.85) 100%);
    z-index: 1;
}

.hero > .container {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3rem;
    line-height: 1.4;
    margin-bottom: 30px;
    font-weight: bold;
}

.hero-subtitle {
    font-size: 1.3rem;
    line-height: 1.8;
    margin-bottom: 50px;
    opacity: 0.95;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    margin-bottom: 50px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    text-align: left;
    gap: 15px;
    flex: 1;
    min-width: 250px;
}

.feature-item .icon {
    font-size: 1.5rem;
    background-color: rgba(255, 255, 255, 0.2);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.trust-badges {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.trust-badges p {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.badges {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.badges span {
    padding: 10px 25px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    font-size: 1rem;
}

/* ========================================
   悩み訴求セクション
======================================== */
.problems {
    background-color: #f8f9fa;
}

.problem-list {
    max-width: 900px;
    margin: 0 auto 50px;
}

.problem-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    padding: 25px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    cursor: pointer;
}

.problem-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.2);
    border-left: 4px solid #667eea;
}

.problem-item:hover .solution-text {
    color: #667eea;
    font-weight: 600;
}

.problem-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.problem-content {
    flex: 1;
}

.problem-text {
    font-size: 1.1rem;
    color: #2c3e50;
    margin-bottom: 10px;
    font-weight: 500;
}

.solution-text {
    font-size: 1rem;
    color: #3498db;
    margin-bottom: 0;
    padding-left: 15px;
}

.solution-headline {
    text-align: center;
    font-size: 1.8rem;
    color: #2c3e50;
    line-height: 1.6;
}

.solution-headline strong {
    color: #667eea;
    font-size: 2rem;
}

/* ========================================
   選ばれる理由セクション
======================================== */
.reasons {
    background-color: #fff;
}

.reason-item {
    max-width: 900px;
    margin: 0 auto 60px;
    padding: 40px;
    background-color: #f8f9fa;
    border-radius: 12px;
}

.reason-number {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border-radius: 25px;
    font-weight: bold;
    margin-bottom: 20px;
}

.reason-content {
    line-height: 2;
}

.highlight-box {
    background-color: #fff;
    padding: 25px;
    border-left: 4px solid #667eea;
    margin: 25px 0;
    border-radius: 4px;
}

.highlight-box strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: #2c3e50;
}

.highlight-box ul, .highlight-box ol {
    margin-left: 20px;
    margin-top: 10px;
}

.highlight-box li {
    margin-bottom: 8px;
}

.highlight-box .note {
    margin-top: 15px;
}

/* カラーパレット */
.color-palette {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.color-item {
    text-align: center;
}

.color-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 15px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.color-circle.white { background-color: #ffffff; border: 2px solid #e0e0e0; }
.color-circle.black { background-color: #000000; }
.color-circle.red { background-color: #e74c3c; }
.color-circle.yellow { background-color: #f1c40f; }
.color-circle.green { background-color: #27ae60; }
.color-circle.lightblue { background-color: #3498db; }
.color-circle.orange { background-color: #e67e22; }
.color-circle.beige { background-color: #d4a574; }
.color-circle.brown { background-color: #8b4513; }

.color-item strong {
    display: block;
    font-size: 1rem;
    margin-bottom: 5px;
}

.color-item p {
    font-size: 0.9rem;
    color: #7f8c8d;
    margin-bottom: 0;
}

/* ========================================
   制作事例セクション
======================================== */
.portfolio {
    background-color: #f8f9fa;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.portfolio-item {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-5px);
}

.portfolio-item img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    object-position: center;
}

.portfolio-caption {
    padding: 20px;
}

.portfolio-caption h4 {
    font-size: 1.1rem;
    margin-bottom: 0;
}

.cta-box {
    max-width: 700px;
    margin: 0 auto;
    padding: 40px;
    background-color: #fff;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.cta-box p {
    line-height: 2;
    margin-bottom: 30px;
}

/* ========================================
   料金プランセクション
======================================== */
.pricing {
    background-color: #fff;
}

.pricing-intro {
    max-width: 800px;
    margin: 0 auto 40px;
    text-align: center;
}

.pricing-table {
    max-width: 800px;
    margin: 0 auto 20px;
    width: 100%;
    border-collapse: collapse;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.pricing-table thead {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.pricing-table th {
    padding: 20px;
    font-size: 1.2rem;
}

.pricing-table td {
    padding: 18px;
    text-align: center;
    border-bottom: 1px solid #e0e0e0;
}

.pricing-table tbody tr:nth-child(even) {
    background-color: #f8f9fa;
}

.pricing-table .highlight {
    font-size: 1.3rem;
    font-weight: bold;
    color: #667eea;
}

.pricing h3 {
    text-align: center;
    margin: 60px 0 40px;
}

.pricing-examples {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto 50px;
}

.price-example {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
    border: 2px solid #e0e0e0;
}

.price-example h4 {
    text-align: center;
    margin-bottom: 25px;
    color: #667eea;
}

.calculation {
    background-color: #fff;
    padding: 20px;
    border-radius: 6px;
    margin-bottom: 20px;
}

.calc-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #e0e0e0;
}

.calc-row:last-child {
    border-bottom: none;
}

.calc-row.total {
    font-size: 1.2rem;
    font-weight: bold;
    color: #667eea;
    margin-top: 10px;
    padding-top: 15px;
    border-top: 2px solid #667eea;
    border-bottom: none;
}

.per-unit {
    text-align: center;
    color: #555;
    line-height: 1.8;
}

.pricing-notes {
    max-width: 800px;
    margin: 60px auto 40px;
    padding: 30px;
    background-color: #f8f9fa;
    border-radius: 8px;
}

.pricing-notes h4 {
    margin-bottom: 15px;
}

.pricing-notes ul {
    margin-left: 20px;
}

.pricing-notes li {
    margin-bottom: 10px;
}

.pricing .cta-button.large {
    display: block;
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   制作の流れセクション
======================================== */
.flow {
    background-color: #f8f9fa;
}

.flow-steps {
    max-width: 900px;
    margin: 0 auto;
}

.flow-step {
    margin-bottom: 40px;
    padding: 35px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
}

.step-number {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border-radius: 25px;
    font-weight: bold;
    margin-bottom: 15px;
}

.step-content {
    line-height: 2;
}

.step-details {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 6px;
    margin: 20px 0;
}

.step-details strong {
    display: block;
    margin-bottom: 10px;
}

.step-details ul, .step-details ol {
    margin-left: 20px;
    margin-top: 10px;
}

.step-details li {
    margin-bottom: 8px;
}

.duration {
    font-weight: bold;
    color: #667eea;
    margin-top: 15px;
}

.important {
    background-color: #fff3cd;
    padding: 15px;
    border-left: 4px solid #ffc107;
    border-radius: 4px;
    margin: 15px 0;
}

.flow-summary {
    max-width: 700px;
    margin: 60px auto 0;
    padding: 40px;
    background-color: #fff;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.flow-summary h3 {
    margin-bottom: 20px;
}

.flow-summary ul {
    text-align: left;
    max-width: 400px;
    margin: 20px auto;
}

.flow-summary li {
    margin-bottom: 10px;
}

/* ========================================
   よくある質問セクション
======================================== */
.faq {
    background-color: #f8f9fa;
}

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

.faq-item {
    background-color: #fff;
    border-radius: 8px;
    padding: 30px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: box-shadow 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.15);
}

.faq-question {
    font-size: 1.3rem;
    color: #667eea;
    margin-bottom: 15px;
    font-weight: bold;
}

.faq-answer p {
    color: #555;
    line-height: 1.8;
}

/* ========================================
   お客様の声セクション
======================================== */
.testimonials {
    background-color: #fff;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.testimonial-item {
    background-color: #f8f9fa;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.12);
}

.testimonial-header {
    margin-bottom: 15px;
}

.testimonial-rating {
    color: #ffd700;
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.testimonial-meta {
    font-size: 0.95rem;
    color: #667eea;
    font-weight: bold;
}

.testimonial-text {
    color: #555;
    line-height: 1.8;
    font-size: 0.95rem;
}

/* ========================================
   お問い合わせセクション
======================================== */
.contact {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    text-align: center;
}

.contact h2 {
    color: #fff;
}

.contact .lead {
    color: #fff;
}

.contact-box {
    max-width: 700px;
    margin: 0 auto;
    padding: 40px;
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    color: #333;
}

.contact-box strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.contact-box ul {
    text-align: left;
    margin: 20px auto 30px;
    max-width: 500px;
}

.contact-box li {
    margin-bottom: 10px;
}

.contact-box .cta-button {
    margin: 30px 0 20px;
}

.form-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 30px;
    flex-wrap: wrap;
}

.form-buttons .cta-button {
    flex: 1;
    min-width: 200px;
    max-width: 280px;
    padding: 25px 30px;
    font-size: 1.3rem;
    line-height: 1.6;
}

.form-buttons .button-subtitle {
    font-size: 1rem;
    font-weight: normal;
    opacity: 0.9;
}

/* ========================================
   フッター
======================================== */
.footer {
    background-color: #2c3e50;
    color: #fff;
    text-align: center;
    padding: 40px 0;
}

.footer p {
    margin-bottom: 5px;
}

/* ========================================
   モバイルハンバーガーメニュー
======================================== */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1002;
    width: 40px;
    height: 40px;
    flex-direction: column;
    justify-content: space-around;
    padding: 8px;
    background: rgba(102, 126, 234, 0.95);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mobile-menu-toggle:active {
    transform: scale(0.95);
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: #fff;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100vh;
    background: #fff;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.3);
    z-index: 1001;
    transition: right 0.3s ease;
    overflow-y: auto;
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.mobile-nav-header h3 {
    margin: 0;
    color: #fff;
    font-size: 1.3rem;
}

.mobile-nav-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.mobile-nav-close:active {
    transform: scale(0.9);
}

.mobile-nav-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-nav-links li {
    border-bottom: 1px solid #e0e0e0;
}

.mobile-nav-links a {
    display: block;
    padding: 18px 20px;
    color: #2c3e50;
    text-decoration: none;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.mobile-nav-links a:active {
    background: #f8f9fa;
    color: #667eea;
    transform: translateX(5px);
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-nav {
        display: block;
    }
}

/* ========================================
   固定CTAボタン
======================================== */
.fixed-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.3s ease;
    box-shadow: 0 -6px 30px rgba(0, 0, 0, 0.25);
}

.fixed-cta.show {
    transform: translateY(0);
}

.fixed-cta-buttons {
    display: flex;
    gap: 0;
}

.fixed-cta-button {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 50%;
    padding: 22px 15px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    position: relative;
}

.fixed-cta-button.single-color {
    background: linear-gradient(135deg, #4c63d2 0%, #3b4fc7 100%);
    color: #fff;
    border-right: 1px solid rgba(255, 255, 255, 0.3);
}

.fixed-cta-button.two-color {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: #fff;
}

.fixed-cta-button:hover {
    filter: brightness(1.15);
}

.fixed-cta-button:hover .fixed-cta-text {
    transform: scale(1.15);
}

.fixed-cta-button:active {
    transform: scale(0.97);
    opacity: 0.9;
}

.fixed-cta-label {
    font-size: 0.85rem;
    opacity: 0.95;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.fixed-cta-text {
    font-size: 1.3rem;
    font-weight: bold;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

/* モバイル対応 */
@media (max-width: 480px) {
    .fixed-cta-button {
        padding: 18px 10px;
    }

    .fixed-cta-label {
        font-size: 0.75rem;
    }

    .fixed-cta-text {
        font-size: 1.1rem;
    }
}

/* ========================================
   レスポンシブ対応
======================================== */
/* タブレット対応 */
@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }

    h2 {
        font-size: 2rem;
        margin-bottom: 40px;
    }

    h3 {
        font-size: 1.5rem;
    }

    .hero {
        padding: 80px 0 60px;
    }

    .hero-title {
        font-size: 2rem;
        line-height: 1.5;
    }

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

    .hero-features {
        flex-direction: column;
        gap: 20px;
    }

    .feature-item {
        min-width: 100%;
    }

    .trust-badges {
        margin-top: 40px;
    }

    .badges {
        flex-direction: column;
        gap: 15px;
    }

    .problem-item {
        flex-direction: column;
        gap: 10px;
        padding: 20px;
    }

    .reason-item {
        padding: 25px 20px;
    }

    .color-palette {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .pricing-table {
        font-size: 0.85rem;
    }

    .pricing-table th,
    .pricing-table td {
        padding: 12px 6px;
    }

    .pricing-examples {
        grid-template-columns: 1fr;
    }

    .flow-step {
        padding: 25px 20px;
    }

    .cta-button.large {
        padding: 20px 30px;
        font-size: 1.1rem;
    }

    .form-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .form-buttons .cta-button {
        max-width: 100%;
    }
}

/* スマホ対応 */
@media (max-width: 480px) {
    section {
        padding: 40px 0;
    }

    .container {
        padding: 0 15px;
    }

    h2 {
        font-size: 1.5rem;
        margin-bottom: 30px;
        line-height: 1.5;
    }

    h2 .subtitle {
        font-size: 0.9rem;
        margin-top: 8px;
    }

    h3 {
        font-size: 1.3rem;
        line-height: 1.5;
    }

    h3 .subtitle {
        font-size: 0.85rem;
    }

    h4 {
        font-size: 1.1rem;
    }

    .lead {
        font-size: 1rem;
        margin-bottom: 30px;
    }

    /* ヒーローセクション */
    .hero {
        padding: 60px 0 40px;
    }

    /* モバイル専用背景画像最適化 */
    .hero::before {
        background-size: auto 100%;
        background-position: center center;
    }

    .hero-title {
        font-size: 1.5rem;
        line-height: 1.6;
        margin-bottom: 20px;
    }

    .hero-subtitle {
        font-size: 0.95rem;
        line-height: 1.7;
        margin-bottom: 30px;
    }

    .hero-features {
        gap: 15px;
        margin-bottom: 30px;
    }

    .feature-item {
        font-size: 0.9rem;
        gap: 10px;
    }

    .feature-item .icon {
        width: 35px;
        height: 35px;
        font-size: 1.2rem;
    }

    .cta-button {
        padding: 15px 25px;
        font-size: 1rem;
    }

    .trust-badges {
        margin-top: 30px;
        padding-top: 30px;
    }

    .trust-badges p {
        font-size: 0.95rem;
    }

    .badges span {
        padding: 8px 20px;
        font-size: 0.85rem;
    }

    /* 問題セクション */
    .problem-list {
        margin-bottom: 30px;
    }

    .problem-item {
        padding: 15px;
        margin-bottom: 15px;
    }

    .problem-icon {
        font-size: 1.3rem;
    }

    .problem-text {
        font-size: 1rem;
    }

    .solution-text {
        font-size: 0.9rem;
        padding-left: 10px;
    }

    .solution-headline {
        font-size: 1.3rem;
        line-height: 1.7;
    }

    .solution-headline strong {
        font-size: 1.5rem;
    }

    /* 理由セクション */
    .reason-item {
        padding: 20px 15px;
        margin-bottom: 30px;
    }

    .reason-number {
        padding: 6px 15px;
        font-size: 0.9rem;
    }

    .reason-content {
        font-size: 0.95rem;
        line-height: 1.8;
    }

    .highlight-box {
        padding: 15px;
        margin: 15px 0;
    }

    .highlight-box strong {
        font-size: 1rem;
    }

    .highlight-box ul,
    .highlight-box ol {
        font-size: 0.9rem;
        margin-left: 20px;
        padding-left: 0;
    }

    /* カラーパレット */
    .color-palette {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .color-circle {
        width: 60px;
        height: 60px;
    }

    .color-item strong {
        font-size: 0.9rem;
    }

    .color-item p {
        font-size: 0.8rem;
    }

    /* ポートフォリオ */
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .portfolio-item img {
        height: 200px;
    }

    .portfolio-caption {
        padding: 15px;
    }

    .cta-box {
        padding: 25px 20px;
    }

    .cta-box p {
        font-size: 0.95rem;
        line-height: 1.8;
    }

    /* 料金テーブル */
    .pricing-table {
        font-size: 0.75rem;
    }

    .pricing-table th {
        padding: 12px 8px;
        font-size: 0.9rem;
    }

    .pricing-table td {
        padding: 10px 5px;
    }

    .pricing-table .highlight {
        font-size: 1rem;
    }

    .price-example {
        padding: 20px 15px;
    }

    .price-example h4 {
        font-size: 1rem;
        margin-bottom: 15px;
    }

    .calculation {
        padding: 15px;
    }

    .calc-row {
        font-size: 0.9rem;
        padding: 8px 0;
    }

    .calc-row.total {
        font-size: 1rem;
    }

    .per-unit {
        font-size: 0.9rem;
    }

    .pricing-notes {
        padding: 20px 15px;
    }

    .pricing-notes ul {
        font-size: 0.85rem;
    }

    /* 制作の流れ */
    .flow-step {
        padding: 20px 15px;
        margin-bottom: 25px;
    }

    .step-number {
        padding: 6px 15px;
        font-size: 0.85rem;
    }

    .step-content {
        font-size: 0.95rem;
        line-height: 1.8;
    }

    .step-details {
        padding: 15px;
        margin: 15px 0;
    }

    .step-details ul,
    .step-details ol {
        font-size: 0.9rem;
        margin-left: 15px;
    }

    .duration {
        font-size: 0.9rem;
    }

    .important {
        padding: 12px;
        font-size: 0.9rem;
    }

    .flow-summary {
        padding: 25px 15px;
    }

    .flow-summary ul {
        font-size: 0.9rem;
    }

    /* お問い合わせ */
    .contact-box {
        padding: 25px 15px;
    }

    .contact-box ul {
        font-size: 0.9rem;
    }

    .form-buttons {
        flex-direction: column;
    }

    .form-buttons .cta-button {
        font-size: 1.1rem;
        padding: 20px 25px;
    }

    .button-subtitle {
        font-size: 0.9rem;
    }

    /* フッター */
    .footer {
        padding: 30px 0;
    }

    .footer p {
        font-size: 0.85rem;
    }

    /* 固定CTA - スマホ最適化 */
    .fixed-cta-button {
        padding: 20px 15px;
        min-height: 70px;
    }

    .fixed-cta-label {
        font-size: 0.75rem;
    }

    .fixed-cta-text {
        font-size: 1.1rem;
    }

    .fixed-cta-arrow {
        font-size: 1.1rem;
        right: 8px;
    }
}

/* ========================================
   ブログセクション
======================================== */
.blog {
    background: #f8f9fa;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.blog-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.2);
}

.blog-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-size: 0.85rem;
}

.blog-category {
    font-weight: bold;
}

.blog-date {
    opacity: 0.9;
}

.blog-card-title {
    font-size: 1.3rem;
    margin: 0;
    padding: 20px 20px 10px;
    line-height: 1.5;
}

.blog-card-title a {
    color: #2c3e50;
    text-decoration: none;
    transition: color 0.3s ease;
}

.blog-card-title a:hover {
    color: #667eea;
}

.blog-card-excerpt {
    padding: 0 20px 15px;
    color: #666;
    font-size: 0.95rem;
    line-height: 1.7;
}

.blog-read-more {
    display: inline-block;
    padding: 10px 20px 20px;
    color: #667eea;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.blog-read-more:hover {
    color: #764ba2;
}

.blog-card-hidden {
    display: none;
}

.blog-card-hidden.show {
    display: block;
}

.blog-more-button-container {
    text-align: center;
    margin-top: 40px;
}

.blog-more-button-container .cta-button {
    padding: 15px 40px;
    font-size: 1.1rem;
}

@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .blog-card-title {
        font-size: 1.1rem;
    }
}