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

:root {
    --primary-color: #1a4d7d;
    --secondary-color: #c17a3f;
    --dark-blue: #0f2942;
    --light-blue: #e8f0f5;
    --text-dark: #2c2c2c;
    --text-gray: #5a5a5a;
    --border-color: #d4c9bc;
    --success-color: #3d7e4a;
    --white: #ffffff;
    --gold: #b8956a;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* SEOキーワード強調スタイル */
.seo-keyword {
    color: var(--secondary-color);
    font-weight: 700;
}

body {
    font-family: serif;
    color: var(--text-dark);
    line-height: 1.9;
    background-color: #fafaf8;
    letter-spacing: 0.05em;
}

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

/* ヘッダー */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 0.08em;
}

.logo i {
    font-size: 32px;
}

.btn-header {
    background: var(--secondary-color);
    color: var(--white);
    padding: 12px 28px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(193, 122, 63, 0.25);
    letter-spacing: 0.08em;
    border: 1px solid var(--gold);
}

.btn-header:hover {
    background: #a66935;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(193, 122, 63, 0.35);
}

/* ヘッダーCTAエリア */
.header-cta-area {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-phone {
    text-align: right;
    line-height: 1.3;
}

.header-phone-number {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 0.03em;
}

.header-phone-hours {
    font-size: 0.75rem;
    color: var(--text-gray);
    letter-spacing: 0.02em;
}

/* ヒーローセクション */
.hero {
    background: url('../images/hero-background_pc.webp') center center / cover no-repeat;
    color: var(--white);
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
    min-height: 600px;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* 透過率85%のオーバーレイ（文字を読みやすく） */
    background: linear-gradient(135deg, rgba(15, 41, 66, 0.88) 0%, rgba(26, 77, 125, 0.85) 50%, rgba(45, 95, 141, 0.82) 100%);
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(184, 149, 106, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 55px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content--single {
    grid-template-columns: 1fr !important;
    max-width: 800px !important;
    text-align: center !important;
    margin: 0 auto !important;
}

.hero-content--single .hero-text {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    text-align: center !important;
    width: 100% !important;
}

.hero-content--single .hero-badge,
.hero-content--single .hero-title,
.hero-content--single .hero-description,
.hero-content--single .hero-stats {
    text-align: center !important;
}

.hero-content--single .hero-stats {
    justify-content: center !important;
    width: 100% !important;
}

.hero-subtitle {
    display: block;
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 15px;
    color: var(--gold);
    letter-spacing: 0.15em;
}

.hero-title {
    font-size: 42px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 25px;
    letter-spacing: 0.05em;
    white-space: nowrap;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.4);
}

.hero-title .highlight {
    color: var(--gold);
    font-weight: 800;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.4);
}

.hero-description {
    font-size: 18px;
    margin-bottom: 35px;
    line-height: 2;
    letter-spacing: 0.06em;
    font-weight: 400;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
}

/* モバイル専用の改行（PC版では非表示） */
.sp-only {
    display: none;
}

/* PC専用の改行（デフォルトでは表示） */
.pc-only {
    display: inline;
}

.hero-highlight-text {
    display: inline-block;
    background: linear-gradient(transparent 60%, rgba(184, 149, 106, 0.4) 60%);
    font-weight: 600;
    padding: 0 2px;
}

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

.feature-badge {
    background: rgba(255, 255, 255, 0.15);
    padding: 12px 24px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(184, 149, 106, 0.3);
    letter-spacing: 0.06em;
}

.hero-card {
    background: var(--white);
    color: var(--text-dark);
    padding: 50px 40px;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    border: 1px solid var(--border-color);
}

.card-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-color), var(--dark-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 48px;
    color: var(--white);
}

.hero-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    font-weight: 700;
    letter-spacing: 0.08em;
    line-height: 1.7;
}

.hero-card p {
    color: var(--text-gray);
}

/* ボタンスタイル */
.btn-primary {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #a66935 100%);
    color: var(--white);
    padding: 18px 45px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(193, 122, 63, 0.3);
    border: 1px solid var(--gold);
    letter-spacing: 0.1em;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #a66935 0%, var(--secondary-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(193, 122, 63, 0.4);
}

.btn-large {
    font-size: 19px;
    padding: 22px 55px;
}

/* セクション共通 */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: var(--dark-blue);
    letter-spacing: 0.1em;
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.section-title.white {
    color: var(--white);
}

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

/* 問題提起セクション */
.problems {
    background: var(--white);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.problem-card {
    background: #faf8f5;
    padding: 45px 35px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

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

.problem-icon {
    width: 85px;
    height: 85px;
    background: linear-gradient(135deg, var(--secondary-color), #a66935);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 38px;
    color: var(--white);
    box-shadow: 0 4px 12px rgba(193, 122, 63, 0.25);
}

.problem-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.8;
    letter-spacing: 0.05em;
}

.problems-solution {
    text-align: center;
    padding: 45px;
    background: linear-gradient(135deg, var(--dark-blue), var(--primary-color));
    border-radius: 8px;
    border: 1px solid rgba(184, 149, 106, 0.3);
}

.solution-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.solution-text i {
    font-size: 32px;
    color: var(--gold);
}

/* トラックファンドとは */
.about {
    background: #f8f9fa;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-description {
    font-size: 17px;
    margin-bottom: 35px;
    line-height: 2;
    letter-spacing: 0.05em;
}

.about-points {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.point-item {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.04em;
}

.point-item i {
    color: var(--success-color);
    font-size: 24px;
}

.flow-diagram {
    background: var(--white);
    padding: 50px 40px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 1px solid var(--border-color);
}

.flow-step {
    text-align: center;
}

.flow-number {
    width: 40px;
    height: 40px;
    background: var(--secondary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-weight: 700;
}

.flow-content i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.flow-content p {
    font-size: 14px;
    font-weight: 700;
}

.flow-arrow {
    font-size: 24px;
    color: var(--primary-color);
}

/* 選ばれる理由 */
.reasons {
    background: var(--white);
}

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

.reason-card {
    background: #f8f6f3;
    padding: 50px 40px;
    border-radius: 8px;
    position: relative;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

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

.reason-number {
    position: absolute;
    top: -15px;
    left: 30px;
    font-size: 72px;
    font-weight: 900;
    color: rgba(0, 102, 204, 0.1);
}

.reason-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 36px;
    color: var(--white);
    position: relative;
    z-index: 1;
}

.reason-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 18px;
    color: var(--dark-blue);
    letter-spacing: 0.06em;
}

.reason-card p {
    line-height: 2;
    letter-spacing: 0.04em;
}

/* サービスの特徴 */
.features {
    background: #f8f9fa;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.feature-item {
    background: var(--white);
    padding: 45px;
    border-radius: 8px;
    display: flex;
    gap: 35px;
    align-items: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

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

.feature-icon-large {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-color), var(--dark-blue));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: var(--white);
    flex-shrink: 0;
    border: 1px solid rgba(184, 149, 106, 0.3);
}

.feature-content h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--dark-blue);
    letter-spacing: 0.06em;
}

.feature-content p {
    line-height: 2;
    color: var(--text-gray);
    letter-spacing: 0.04em;
}

/* ご利用の流れ */
.flow {
    background: var(--white);
}

.flow-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.step-item {
    text-align: center;
    flex: 1;
}

.step-circle {
    background: linear-gradient(135deg, var(--secondary-color), var(--gold));
    color: var(--white);
    padding: 10px 24px;
    border-radius: 6px;
    display: inline-block;
    font-weight: 600;
    font-size: 13px;
    margin-bottom: 20px;
    letter-spacing: 0.1em;
    border: 1px solid var(--gold);
}

.step-icon {
    width: 100px;
    height: 100px;
    background: #f8f6f3;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 48px;
    color: var(--primary-color);
    border: 1px solid var(--border-color);
}

.step-item h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: 0.05em;
}

.step-item p {
    font-size: 14px;
    color: var(--text-gray);
}

.step-arrow {
    font-size: 32px;
    color: var(--primary-color);
    margin: 0 20px;
}

/* お客様の声 */
.testimonials {
    background: #f8f9fa;
}

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

.testimonial-card {
    background: var(--white);
    padding: 40px 35px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

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

.testimonial-icon {
    font-size: 48px;
    color: var(--primary-color);
}

.testimonial-info h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 5px;
    letter-spacing: 0.04em;
}

.company-info {
    font-size: 14px;
    color: var(--text-gray);
}

.rating {
    color: #ffc107;
    margin-bottom: 15px;
}

.testimonial-text {
    line-height: 2;
    color: var(--text-gray);
    letter-spacing: 0.03em;
}

/* よくある質問 */
.faq {
    background: var(--white);
}

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

.faq-item {
    background: #faf8f5;
    margin-bottom: 18px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.faq-question {
    padding: 25px 30px;
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: #e9ecef;
}

.faq-question i:first-child {
    font-size: 24px;
    color: var(--primary-color);
}

.faq-question h3 {
    flex: 1;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.04em;
}

.faq-question i:last-child {
    transition: transform 0.3s ease;
    color: var(--text-gray);
}

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

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

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

.faq-answer p {
    padding: 0 30px 30px 69px;
    line-height: 2;
    color: var(--text-gray);
    letter-spacing: 0.03em;
}

/* お問い合わせフォーム */
.contact {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-color) 50%, var(--dark-blue) 100%);
    color: var(--white);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 30%, rgba(184, 149, 106, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.contact-header {
    text-align: center;
    margin-bottom: 50px;
}

.contact-description {
    font-size: 17px;
    margin-top: 20px;
    letter-spacing: 0.05em;
    line-height: 1.9;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    align-items: start;
}

.contact-info {
    background: rgba(255, 255, 255, 0.08);
    padding: 45px;
    border-radius: 8px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(184, 149, 106, 0.3);
}

.contact-method {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.method-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--secondary-color), var(--gold));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    flex-shrink: 0;
    border: 1px solid var(--gold);
}

.method-content h3 {
    font-size: 17px;
    margin-bottom: 10px;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.phone-number {
    font-size: 34px;
    font-weight: 700;
    color: var(--gold);
    margin: 10px 0;
    letter-spacing: 0.08em;
}

.business-hours {
    font-size: 14px;
    opacity: 0.9;
}

.contact-benefits {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-benefits h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    letter-spacing: 0.05em;
}

.contact-benefits i {
    color: var(--gold);
}

.contact-form-wrapper {
    position: relative;
}

.contact-form {
    background: var(--white);
    padding: 50px 45px;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-dark);
    letter-spacing: 0.04em;
}

.required {
    background: var(--secondary-color);
    color: var(--white);
    padding: 3px 10px;
    border-radius: 3px;
    font-size: 11px;
    margin-left: 8px;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.3s ease;
    background: #fafaf8;
    letter-spacing: 0.03em;
}

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

.form-privacy {
    margin-bottom: 25px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    color: var(--text-dark);
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.privacy-link {
    color: var(--primary-color);
    text-decoration: underline;
}

.btn-submit {
    width: 100%;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #a66935 100%);
    color: var(--white);
    padding: 20px;
    border: 1px solid var(--gold);
    border-radius: 6px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(193, 122, 63, 0.3);
    letter-spacing: 0.1em;
}

.btn-submit:hover {
    background: linear-gradient(135deg, #a66935 0%, var(--secondary-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(193, 122, 63, 0.4);
}

.form-success {
    display: none;
    text-align: center;
    padding: 70px 50px;
    background: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.form-success.show {
    display: block;
}

.form-success i {
    font-size: 72px;
    color: var(--success-color);
    margin-bottom: 20px;
}

.form-success h3 {
    font-size: 28px;
    color: var(--dark-blue);
    margin-bottom: 18px;
    letter-spacing: 0.08em;
    font-weight: 600;
}

.form-success p {
    font-size: 16px;
    color: var(--text-gray);
    letter-spacing: 0.04em;
    line-height: 1.9;
}

/* フッター */
.footer {
    background: linear-gradient(180deg, #1a1a1a 0%, #0f0f0f 100%);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    letter-spacing: 0.08em;
}

.footer-logo i {
    font-size: 32px;
}

.footer-brand p {
    opacity: 0.8;
    letter-spacing: 0.04em;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 18px;
    margin-bottom: 18px;
    letter-spacing: 0.06em;
    font-weight: 600;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
    letter-spacing: 0.03em;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-contact p {
    margin-bottom: 10px;
    opacity: 0.8;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: 0.03em;
}

.footer-bottom {
    text-align: center;
    opacity: 0.6;
    letter-spacing: 0.04em;
}

/* シンプルフッター（3列） */
.footer--simple {
    padding: 40px 0 20px;
}

.footer-content-simple {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 30px;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col {
    text-align: center;
}

.footer-col:first-child {
    text-align: left;
}

.footer-col:last-child {
    text-align: right;
}

.footer-logo-simple {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.footer-logo-simple i {
    font-size: 22px;
}

.footer-nav {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 25px;
    flex-wrap: wrap;
}

.footer-nav a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    font-size: 13px;
    letter-spacing: 0.03em;
    transition: opacity 0.3s ease;
}

.footer-nav a:hover {
    opacity: 1;
}

.footer-company {
    font-size: 13px;
    opacity: 0.9;
    margin-bottom: 5px;
}

.footer-tel {
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.03em;
    margin-bottom: 3px;
}

.footer-hours {
    font-size: 11px;
    opacity: 0.7;
}

.footer-bottom-simple {
    text-align: center;
    font-size: 12px;
    opacity: 0.5;
    letter-spacing: 0.03em;
}

@media (max-width: 768px) {
    .hero {
        background: url('../images/hero-background_sp.webp') center center / cover no-repeat;
    }

    /* モバイル版で改行を表示 */
    .sp-only {
        display: inline;
    }

    /* PC専用の改行を非表示 */
    .pc-only {
        display: none;
    }

    .footer-content-simple {
        grid-template-columns: 1fr;
        gap: 20px;
        text-align: center;
    }
    
    .footer-col,
    .footer-col:first-child,
    .footer-col:last-child {
        text-align: center;
    }
    
    .footer-nav {
        flex-direction: column;
        gap: 12px;
    }
}

/* 背景の質感 */
section {
    position: relative;
}

.about,
.features {
    background: linear-gradient(180deg, #fafaf8 0%, #f5f3f0 100%);
}

.reasons,
.flow,
.faq {
    background: linear-gradient(180deg, #ffffff 0%, #fafaf8 100%);
}

.problems,
.testimonials {
    background: var(--white);
}

/* レスポンシブ対応 */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 32px;
        white-space: nowrap;
    }

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

    .flow-diagram {
        flex-direction: column;
        gap: 20px;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 32px;
    }

    .hero-title {
        font-size: 24px;
        white-space: nowrap;
    }

    .hero-description {
        font-size: 16px;
    }

    .flow-steps {
        flex-direction: column;
        gap: 30px;
    }

    .step-arrow {
        transform: rotate(90deg);
        margin: 0;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

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

    /* ヘッダー電話番号レスポンシブ */
    .header-cta-area {
        gap: 15px;
    }

    /* スマホでヘッダーの電話番号と受付時間を非表示 */
    .header-phone {
        display: none;
    }
}

@media (max-width: 480px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
    }

    .logo {
        font-size: 20px;
    }

    /* ヘッダーCTAエリア モバイル対応 */
    .header-cta-area {
        display: none; /* スマホでヘッダーCTAエリア全体を非表示 */
    }

    .btn-header {
        padding: 10px 20px;
        font-size: 14px;
    }

    .hero {
        padding: 40px 0;
    }

    .section-title {
        font-size: 28px;
    }

    .problem-card h3 {
        font-size: 16px;
    }

    .solution-text {
        font-size: 18px;
        flex-direction: column;
    }
}