/* ========================================
   CSS Variables（カラーパレット）
   学生向け：明るいオレンジ・イエロー系
======================================== */
:root {
    --primary-color: #f59e0b; /* オレンジ（学生向け・明るい） */
    --secondary-color: #fbbf24; /* イエロー */
    --accent-color: #06b6d4; /* アクアブルー（アクセント） */
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-gray: #f9fafb;
    --border-color: #e5e7eb;
    --white: #ffffff;
    --success-color: #10b981;
    --error-color: #ef4444;
}

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

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

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text-dark);
    line-height: 1.8;
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

/* コンテナ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.section-title {
    font-family: 'Zen Kaku Gothic New', sans-serif;
    font-size: 2.5rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

/* ========================================
   ヘッダー
======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo a {
    display: block;
}

.logo-image {
    height: 45px;
    width: auto;
    transition: opacity 0.3s ease;
}

.logo-image:hover {
    opacity: 0.8;
}

.nav-list {
    display: flex;
    gap: 2rem;
    align-items: center;
}

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

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

.cta-nav {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
}

.cta-nav:hover {
    background-color: #d97706;
    transform: translateY(-2px);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    transition: all 0.3s ease;
}

/* ========================================
   ヒーローセクション
======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
}

.hero-overlay {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    padding: 4rem 0;
}

.hero-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.4) 0%, rgba(251, 191, 36, 0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
}

.campaign-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: rgba(255, 255, 255, 0.95);
    color: var(--primary-color);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.badge-icon {
    font-size: 1.5rem;
}

.hero-title {
    font-family: 'Zen Kaku Gothic New', sans-serif;
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.4rem;
    font-weight: 500;
    margin-bottom: 2.5rem;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

.campaign-banner {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.9) 100%);
    color: var(--text-dark);
    padding: 2rem;
    border-radius: 20px;
    margin: 2rem auto 3rem;
    max-width: 600px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.campaign-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.campaign-detail {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.price-large {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--accent-color);
}

.price-note {
    font-size: 1.2rem;
    color: var(--text-light);
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.hero-features {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--text-dark);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 1.5rem;
}

/* ========================================
   ボタン
======================================== */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: #d97706;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.4);
}

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

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

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

.btn-tertiary:hover {
    background-color: #0891b2;
    transform: translateY(-3px);
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.2rem;
}

.btn-block {
    width: 100%;
}

/* ========================================
   問題提起セクション
======================================== */
.problems-section {
    background-color: var(--bg-gray);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.problem-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-5px);
}

.problem-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.problem-text {
    font-size: 1.1rem;
    color: var(--text-dark);
    font-weight: 600;
    line-height: 1.6;
}

.solution-box {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 8px 30px rgba(245, 158, 11, 0.3);
}

.solution-text {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.8;
}

/* ========================================
   学生に選ばれる5つの理由
======================================== */
.reasons-section {
    background-color: var(--white);
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.reason-card {
    background-color: var(--bg-gray);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.reason-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(245, 158, 11, 0.2);
    border-color: var(--primary-color);
}

.reason-number {
    position: absolute;
    top: -15px;
    right: 20px;
    font-size: 4rem;
    font-weight: 900;
    color: var(--border-color);
    font-family: 'Zen Kaku Gothic New', sans-serif;
}

.reason-card:nth-child(2) .reason-number {
    color: var(--white);
}

.reason-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.reason-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.reason-description {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* ========================================
   施設紹介
======================================== */
.facility-section {
    background-color: var(--bg-gray);
}

.facility-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.facility-item {
    background-color: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.facility-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.facility-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.facility-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
    padding: 1.5rem 1.5rem 0.5rem;
}

.facility-description {
    font-size: 1rem;
    color: var(--text-light);
    padding: 0 1.5rem 1.5rem;
    line-height: 1.7;
}

/* ========================================
   料金プラン
======================================== */
.pricing-section {
    background-color: var(--white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-bottom: 4rem;
}

.pricing-card {
    background-color: var(--bg-gray);
    padding: 2.5rem;
    border-radius: 20px;
    position: relative;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.pricing-card.highlight {
    background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%);
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.pricing-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 15px 40px rgba(245, 158, 11, 0.2);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
}

.pricing-badge.popular {
    background-color: var(--accent-color);
}

.pricing-badge.friend {
    background-color: var(--success-color);
}

.pricing-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-dark);
    text-align: center;
    margin: 1.5rem 0 1rem;
}

.pricing-subtitle {
    font-size: 1rem;
    color: var(--text-light);
}

.pricing-price {
    text-align: center;
    margin: 2rem 0;
}

.price-amount {
    font-size: 4rem;
    font-weight: 900;
    color: var(--primary-color);
    font-family: 'Zen Kaku Gothic New', sans-serif;
}

.price-unit {
    font-size: 1.3rem;
    color: var(--text-light);
    margin-left: 0.5rem;
}

.pricing-features {
    list-style: none;
    margin: 2rem 0;
}

.pricing-features li {
    padding: 0.75rem 0;
    font-size: 1rem;
    color: var(--text-dark);
    border-bottom: 1px solid var(--border-color);
}

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

.pricing-note {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 1rem;
}

/* 比較表 */
.comparison-table {
    background-color: var(--bg-gray);
    padding: 3rem;
    border-radius: 20px;
    margin-top: 4rem;
}

.comparison-title {
    font-size: 1.8rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
}

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

.table th,
.table td {
    padding: 1rem;
    text-align: center;
    border: 1px solid var(--border-color);
}

.table th {
    font-weight: 700;
    font-size: 1.1rem;
}

.table td {
    font-size: 1rem;
}

.highlight-col {
    background-color: #fff7ed;
    font-weight: 700;
    color: var(--primary-color);
}

/* ========================================
   利用者の声
======================================== */
.voice-section {
    background-color: var(--bg-gray);
}

.voice-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.voice-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.voice-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.voice-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.voice-avatar {
    width: 60px;
    height: 60px;
    background-color: var(--bg-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.voice-name {
    font-weight: 700;
    color: var(--text-dark);
    font-size: 1.1rem;
}

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

.voice-text {
    font-size: 1rem;
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.voice-rating {
    font-size: 1.2rem;
    color: var(--secondary-color);
}

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

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

.faq-item {
    background-color: var(--bg-gray);
    border-radius: 10px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background-color: #fef3c7;
}

.faq-question h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
}

.faq-toggle {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.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 1.5rem 1.5rem;
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* ========================================
   アクセス
======================================== */
.access-section {
    background-color: var(--bg-gray);
}

.access-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.access-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.access-list {
    list-style: none;
}

.access-list li {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    line-height: 1.8;
}

.access-list li:last-child {
    border-bottom: none;
}

.access-list strong {
    display: block;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.access-map {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    height: 450px;
}

/* ========================================
   予約フォーム
======================================== */
.reserve-section {
    background-color: var(--white);
}

.reserve-form {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--bg-gray);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

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

.form-label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

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

.form-input,
.form-textarea {
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    font-family: 'Noto Sans JP', sans-serif;
    transition: border-color 0.3s ease;
}

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

/* カレンダー */
.calendar-container {
    background-color: var(--white);
    padding: 1.5rem;
    border-radius: 10px;
    border: 2px solid var(--border-color);
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.calendar-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-dark);
}

.calendar-nav {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
}

.calendar-nav:hover {
    background-color: var(--bg-gray);
    border-radius: 5px;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.calendar-day:hover:not(.disabled):not(.selected) {
    background-color: #fef3c7;
}

.calendar-day.disabled {
    color: var(--border-color);
    cursor: not-allowed;
}

.calendar-day.selected {
    background-color: var(--primary-color);
    color: var(--white);
    font-weight: 700;
}

.selected-date {
    text-align: center;
    font-weight: 600;
    color: var(--primary-color);
    margin-top: 1rem;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

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

.form-submit {
    margin-top: 2rem;
}

.contact-alternative {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
}

.contact-alternative p {
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.phone-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.phone-hours {
    font-size: 1rem;
    color: var(--text-light);
}

/* ========================================
   フッター
======================================== */
.footer {
    background-color: #1f2937;
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo-image {
    height: 60px;
    width: auto;
    margin-bottom: 1rem;
}

.footer-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.footer-description {
    font-size: 0.95rem;
    color: #d1d5db;
    line-height: 1.7;
}

.footer-heading {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: #d1d5db;
    transition: color 0.3s ease;
}

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

.footer-contact {
    list-style: none;
}

.footer-contact li {
    margin-bottom: 0.75rem;
    color: #d1d5db;
}

.footer-contact a {
    color: #d1d5db;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
}

.footer-links-inline {
    margin-bottom: 1rem;
}

.footer-links-inline a {
    color: #d1d5db;
    margin: 0 1rem;
    transition: color 0.3s ease;
}

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

.footer-copyright {
    font-size: 0.9rem;
    color: #9ca3af;
}

/* ========================================
   モバイル固定CTAボタン
======================================== */
.mobile-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.15);
    z-index: 999;
    padding: 0.75rem;
    gap: 0.75rem;
}

.mobile-cta-btn {
    flex: 1;
    padding: 1rem;
    border-radius: 10px;
    font-weight: 700;
    text-align: center;
    transition: all 0.3s ease;
}

.mobile-cta-phone {
    background-color: var(--accent-color);
    color: var(--white);
}

.mobile-cta-reserve {
    background-color: var(--primary-color);
    color: var(--white);
}

/* ========================================
   レスポンシブ対応
======================================== */
@media (max-width: 768px) {
    .logo-image {
        height: 35px;
    }
    
    .footer-logo-image {
        height: 50px;
    }
    
    /* ナビゲーション */
    .nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 80%;
        height: 100vh;
        background-color: var(--white);
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
        z-index: 999;
        padding: 5rem 2rem 2rem;
        transition: left 0.3s ease;
        overflow-y: auto;
    }

    .nav.active {
        left: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: 1.5rem;
        align-items: flex-start;
    }

    .nav-link {
        font-size: 1.1rem;
        display: block;
        width: 100%;
        padding: 0.5rem 0;
    }

    .cta-nav {
        margin-top: 1rem;
        text-align: center;
        display: block;
    }

    .mobile-menu-btn {
        display: flex;
        z-index: 1001;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    /* メニューオーバーレイ */
    .menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 998;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
    }

    .menu-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    /* ヒーロー */
    .hero-title {
        font-size: 2rem;
    }

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

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

    .hero-features {
        gap: 1rem;
    }

    .feature-item {
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
    }

    /* セクション */
    section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 1.8rem;
    }

    /* アクセス */
    .access-grid {
        grid-template-columns: 1fr;
    }

    /* 比較表 */
    .table {
        font-size: 0.85rem;
    }

    .table th,
    .table td {
        padding: 0.5rem;
    }

    /* モバイルCTA表示 */
    .mobile-cta {
        display: flex;
    }

    /* スマホ専用表示 */
    .sp-only {
        display: inline;
    }
}

@media (min-width: 769px) {
    .sp-only {
        display: none;
    }
}