/* リセットCSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    overflow-x: hidden;
    max-width: 100vw;
}

/* アクセシビリティ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* フォーカススタイル */
*:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

.no-focus-outline:focus {
    outline: none;
}

/* スキップリンク */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #000;
    color: #fff;
    padding: 8px;
    text-decoration: none;
    z-index: 10000;
}

.skip-link:focus {
    top: 0;
}

/* アニメーション定義 - 削除 */

/* アニメーションクラス - 削除 */

/* ローディング画面 */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: #ffffff;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.loader.loaded {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
}

.loader-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
    /* animation削除 */
}

.loader-icon {
    font-size: 40px;
    color: white;
    /* animation削除 */
}

/* rotate animation削除 */

.loader-text {
    font-size: 32px;
    font-weight: 700;
    color: white;
    letter-spacing: 2px;
}

.loader-bar {
    width: 200px;
    height: 4px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto 20px;
}

.loader-progress {
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 2px;
}

.loader-percentage {
    color: #333;
    font-size: 14px;
    font-weight: 500;
}

/* パーティクル背景 */
#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(74, 105, 255, 0.3);
    border-radius: 50%;
    /* animation削除 */
}

/* float animation削除 */

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

/* ヘッダー */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    /* transition削除 */
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    min-height: 60px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    color: #4a69ff;
    font-size: 20px;
}

.logo-text {
    font-size: 22px;
    font-weight: 600;
    color: #333;
}

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

.nav-link {
    text-decoration: none;
    color: #333;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    line-height: 1.2;
    /* transition削除 */
}

.nav-sub {
    display: block;
    font-size: 11px;
    color: #666;
    margin-top: 2px;
}

.nav-link:hover {
    color: #4a69ff;
}

.nav-link.active {
    color: #4a69ff;
    font-weight: 600;
}

.contact-btn {
    background-color: #333;
    color: white;
    padding: 10px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    /* transition削除 */
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.contact-btn:hover {
    background-color: #555;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* リップル効果 */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: scale(0);
    /* animation削除 */
    pointer-events: none;
}

/* ripple animation削除 */


/* タイピング効果 */
/* typing/blink animation削除 */

.typing-text {
    overflow: hidden;
    white-space: nowrap;
    border-right: 3px solid #4a69ff;
    /* animation削除 */
}

/* ヒーローセクション */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 60px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.7);
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 0 80px;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}

.hero-title {
    font-size: 8rem;
    font-weight: 900;
    color: white;
    line-height: 0.9;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    margin-bottom: 40px;
    /* animation削除 */
}

.hero-btn {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    background-color: transparent;
    color: white;
    padding: 15px 40px;
    border: 2px solid white;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    /* transition削除 */
    letter-spacing: 1px;
}

.hero-btn:hover {
    background-color: white;
    color: #000;
    transform: translateX(10px);
}

.btn-arrow {
    font-size: 1.2rem;
    /* transition削除 */
}

.hero-btn:hover .btn-arrow {
    transform: translateX(5px);
}

/* ヒーロータイトルの光るアニメーション - 削除 */

/* OUR SERVICE */
.service {
    padding: 100px 0;
    background-color: #fff;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: #333;
    letter-spacing: 2px;
}

.service-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.service-card {
    position: relative;
    padding: 50px;
    border-radius: 12px;
    overflow: hidden;
    /* transition削除 */
    transform-style: preserve-3d;
}

.black-card {
    background-color: #000;
    color: white;
    background: linear-gradient(135deg, #000 0%, #1a1a1a 100%);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(74, 105, 255, 0.1) 100%);
    opacity: 0;
    /* transition削除 */
}

.service-card:hover::before {
    opacity: 1;
}

.service-header {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-bottom: 30px;
}

.service-number {
    font-size: 3rem;
    font-weight: 900;
    color: #fff;
}

.service-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #fff;
}

.service-content {
    max-width: 60%;
    margin-bottom: 30px;
}

.service-content p {
    font-size: 0.95rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 15px;
}

.service-image {
    position: absolute;
    right: 50px;
    top: 50%;
    transform: translateY(-50%);
    width: 250px;
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0.7;
    /* transition削除 */
}

.service-card:hover .service-image img {
    opacity: 0.9;
    transform: scale(1.05);
}

.hexagon-bg {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    clip-path: polygon(30% 0%, 70% 0%, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0% 70%, 0% 30%);
    opacity: 0.3;
}

.service-btn {
    display: inline-block;
    background-color: #4a69ff;
    color: white;
    padding: 10px 30px;
    text-decoration: none;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    /* transition削除 */
    position: relative;
    overflow: hidden;
}

.service-btn:hover {
    background-color: #3651d4;
    transform: translateX(5px) scale(1.05);
    box-shadow: 0 5px 15px rgba(74, 105, 255, 0.4);
}

.service-btn::after {
    content: '→';
    position: absolute;
    right: 20px;
    opacity: 0;
    /* transition削除 */
}

.service-btn:hover::after {
    right: 15px;
    opacity: 1;
}

/* PHILOSOPHY */
.philosophy {
    padding: 100px 0;
    background-color: #f8f9fa;
}

.philosophy-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.philosophy-text-top,
.philosophy-text-bottom {
    font-size: 1.1rem;
    line-height: 2;
    color: #333;
    text-align: center;
}

.philosophy-image {
    border-radius: 12px;
    overflow: hidden;
    width: 100%;
}

.philosophy-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* MISSION */
.mission {
    padding: 100px 0;
    background-color: #000;
    color: white;
    text-align: center;
}

.section-title-white {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: white;
    letter-spacing: 2px;
}

.mission-content {
    max-width: 900px;
    margin: 0 auto;
}

.mission-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
}

.mission-logo-icon {
    color: #4a69ff;
    font-size: 24px;
}

.mission-logo-text {
    font-size: 1.3rem;
    font-weight: 600;
    color: white;
}

.mission-content p {
    font-size: 1rem;
    line-height: 2;
    color: rgba(255, 255, 255, 0.9);
}

/* VALUE */
.value {
    padding: 100px 0;
    background-color: #fff;
}

.value-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: center;
}

.value-principles {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.value-image {
    width: 100%;
    height: 500px;
    border-radius: 12px;
    overflow: hidden;
}

.value-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.value-principles p {
    font-size: 0.95rem;
    line-height: 1.8;
    color: #333;
    padding-left: 20px;
    border-left: 3px solid #4a69ff;
}

.value-right {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.value-illustration-main {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    opacity: 0.2;
}

.value-points {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.value-points p {
    font-size: 0.9rem;
    line-height: 1.6;
    color: #333;
}

.value-btn {
    display: block;
    margin: 0 auto;
    background-color: #000;
    color: white;
    padding: 12px 40px;
    border: none;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    /* transition削除 */
    position: relative;
    overflow: hidden;
}

.value-btn:hover {
    background-color: #333;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.value-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    /* transition削除 */
}

.value-btn:hover::before {
    width: 300px;
    height: 300px;
}

/* ABOUT */
.about {
    padding: 100px 0;
    background-color: #f8f9fa;
}

.about-top {
    margin-bottom: 40px;
}

.about-top-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 12px;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text {
    font-size: 0.95rem;
    line-height: 1.8;
    color: #333;
    text-align: left;
}

.about-text p {
    margin-bottom: 20px;
}

/* COMPANY */
.company {
    padding: 100px 0;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    background-size: 200% 200%;
    /* animation削除 */
    color: white;
    position: relative;
}

.company::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.02" d="M0,96L48,112C96,128,192,160,288,165.3C384,171,480,149,576,144C672,139,768,149,864,170.7C960,192,1056,224,1152,213.3C1248,203,1344,149,1392,122.7L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.1;
}

.company-info {
    max-width: 800px;
    margin: 0 auto;
}

.company-table {
    width: 100%;
    border-collapse: collapse;
}

.company-table th,
.company-table td {
    padding: 20px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.company-table th {
    width: 30%;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
}

.company-table td {
    color: white;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* フッター */
.footer {
    background-color: #000;
    color: white;
    padding: 50px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 40px;
}

.footer-left h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-nav {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 15px;
    /* transition削除 */
}

.footer-nav a:hover {
    color: white;
}

.footer-right {
    text-align: right;
}

.footer-right p {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

/* ロゴ関連のスタイル */
.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.corp-logo {
    height: 35px;
    width: auto;
    display: block;
}

.logo-text {
    font-size: 1.3rem;
    font-weight: 700;
    color: #000;
    letter-spacing: -0.5px;
}

.loader-corp-logo {
    height: 60px;
    width: auto;
    margin-bottom: 30px;
}

.mission-corp-logo {
    height: 120px;
    width: auto;
    margin-bottom: 30px;
}

.footer-logo-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo {
    height: 35px;
    width: auto;
}

.footer-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.5px;
}

/* ページヘッダー（About専用） */
.page-header {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 80px;
}

.page-header-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.page-header-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.4);
}

.page-header-content {
    text-align: center;
    color: white;
    z-index: 1;
}

.page-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 10px;
    /* animation削除 */
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    /* animation削除 */
}

/* CEO MESSAGE セクション */
.ceo-message {
    padding: 100px 0;
    background-color: #f8f9fa;
}

.ceo-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-top: 60px;
    align-items: start;
}

.ceo-image {
    position: sticky;
    top: 100px;
}

.ceo-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.ceo-info {
    margin-top: 20px;
    text-align: center;
}

.ceo-title {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 5px;
}

.ceo-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: #333;
}

.ceo-text {
    color: #333;
}

.ceo-text h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 30px;
    line-height: 1.4;
    color: #000;
}

.ceo-text p {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

.ceo-signature {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 2px solid #e0e0e0;
}

.ceo-signature p {
    font-weight: 600;
    text-align: right;
    line-height: 1.6;
}

/* Aboutボタン */
.about-more-btn {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 30px;
    background-color: #4a69ff;
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    /* transition削除 */
}

.about-more-btn:hover {
    background-color: #3651d4;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(74, 105, 255, 0.4);
}

/* ナビゲーションのアクティブ状態 */
.nav-link.active {
    color: #667eea;
}

.contact-btn.active {
    background: #667eea;
    color: white;
}

/* お問い合わせフォーム */
.contact-form-section {
    padding: 100px 0;
    background-color: #f8f9fa;
}

.contact-form-wrapper {
    max-width: 700px;
    margin: 0 auto 80px;
    background: white;
    padding: 60px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}

.contact-description {
    text-align: center;
    color: #666;
    margin-bottom: 40px;
    line-height: 1.8;
}

.contact-form {
    margin-top: 40px;
}

.form-group {
    margin-bottom: 30px;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.required {
    color: #e74c3c;
    font-size: 0.9em;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    /* transition削除 */
    font-family: 'Noto Sans JP', sans-serif;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

.form-submit {
    text-align: center;
    margin-top: 40px;
}

.submit-btn {
    background-color: #4a69ff;
    color: white;
    padding: 15px 60px;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    /* transition削除 */
    letter-spacing: 1px;
}

.submit-btn:hover {
    background-color: #3651d4;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(74, 105, 255, 0.4);
}

.contact-info {
    max-width: 700px;
    margin: 0 auto;
    background: white;
    padding: 60px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-info h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 40px;
    color: #333;
}

.info-item {
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid #e0e0e0;
}

.info-item:last-child {
    border-bottom: none;
}

.info-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.info-item p {
    color: #666;
    line-height: 1.8;
}

/* タブレット画面対応 */
@media (max-width: 1024px) and (min-width: 769px) {
    .contact-btn {
        display: none;
    }
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .header-content {
        padding: 12px 0;
        min-height: 56px;
    }

    .corp-logo {
        height: 30px;
    }

    .logo-text {
        font-size: 1.3rem;
    }

    .nav {
        display: none;
    }

    .hero-content {
        padding: 0 40px;
    }

    .hero-title {
        font-size: 5rem;
        word-break: break-word;
    }

    .contact-btn {
        display: none;
    }

    .hero-btn {
        padding: 12px 30px;
        font-size: 0.9rem;
    }

    .contact-form-wrapper,
    .contact-info {
        padding: 40px 30px;
    }

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

    .service-content {
        max-width: 100%;
    }

    .service-image {
        position: static;
        width: 100%;
        height: 150px;
        margin-top: 20px;
        transform: none;
    }

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

    .service-image img {
        opacity: 0.8;
    }

    .philosophy-content,
    .value-content,
    .ceo-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .value-image {
        height: 300px;
    }

    .about-top-image {
        height: 250px;
    }

    .ceo-image {
        position: static;
    }

    .page-header {
        height: 300px;
    }

    .page-title {
        font-size: 3rem;
    }

    .footer {
        padding: 40px 0 20px;
    }

    .footer-content {
        flex-direction: column;
        gap: 30px;
    }

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

    .footer-nav a {
        font-size: 14px;
    }

    .footer-logo {
        height: 30px;
    }

    .footer-logo-text {
        font-size: 1.3rem;
    }

    .footer-right {
        text-align: left;
    }

    .footer-right p {
        font-size: 14px;
    }
}

/* パフォーマンス最適化 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* モバイルメニュー */
.mobile-menu-btn {
    display: none;
    position: relative;
    width: 30px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-btn span {
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: #333;
    transition: all 0.3s ease;
}

.mobile-menu-btn span:nth-child(1) {
    top: 0;
}

.mobile-menu-btn span:nth-child(2) {
    top: 11px;
}

.mobile-menu-btn span:nth-child(3) {
    bottom: 0;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg);
    top: 11px;
}

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

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg);
    bottom: 11px;
}

@media (max-width: 1024px) {
    .mobile-menu-btn {
        display: block;
        z-index: 1001;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: white;
        padding: 80px 20px;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        z-index: 1000;
        flex-direction: column;
        display: flex !important;
    }

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

    .nav-link {
        margin: 15px 0;
        padding: 15px;
        border-bottom: 1px solid #eee;
    }

    /* モバイルメニューにcontactリンクを追加 */
    .mobile-contact-link {
        margin: 15px 0;
        padding: 15px;
        border-bottom: 1px solid #eee;
        text-decoration: none;
        color: #333;
        font-size: 14px;
        font-weight: 500;
        text-align: center;
        line-height: 1.2;
        display: block;
    }

    .mobile-contact-link:hover {
        color: #4a69ff;
    }
}

/* 確認画面スタイル */
.confirm-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 20px;
}

.confirm-modal {
    background: white;
    border-radius: 10px;
    padding: 40px;
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
}

.confirm-modal h3 {
    margin-bottom: 30px;
    font-size: 1.5rem;
    text-align: center;
}

.confirm-content {
    margin-bottom: 30px;
}

.confirm-item {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.confirm-item:last-child {
    border-bottom: none;
}

.confirm-item label {
    display: block;
    font-weight: 600;
    margin-bottom: 5px;
    color: #666;
}

.confirm-item p {
    color: #333;
    line-height: 1.8;
}

.confirm-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.confirm-back,
.confirm-submit {
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.confirm-back {
    background: #f0f0f0;
    color: #333;
}

.confirm-back:hover {
    background: #e0e0e0;
}

.confirm-submit {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.confirm-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

@media (max-width: 480px) {
    .header-content {
        padding: 10px 0;
    }

    .corp-logo {
        height: 25px;
    }

    .logo-text {
        font-size: 1.1rem;
    }

    .contact-btn {
        display: none;
    }

    .footer {
        padding: 30px 0 15px;
    }

    .footer-nav a {
        font-size: 13px;
    }

    .footer-bottom p {
        font-size: 12px;
    }

@media (max-width: 480px) {
    .hero-content {
        padding: 0 20px;
    }

    .hero-title {
        font-size: 3.5rem;
        word-break: break-word;
    }

    .hero-btn {
        padding: 10px 25px;
        font-size: 0.85rem;
    }

    .contact-form-wrapper,
    .contact-info {
        padding: 30px 20px;
    }
    
    .section-title,
    .section-title-white {
        font-size: 1.5rem;
    }
    
    .service-card {
        padding: 30px 20px;
    }
    
    .service-number {
        font-size: 2rem;
    }
    
    .service-header h3 {
        font-size: 1.2rem;
    }
}