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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #333F70;
    background-color: #D6F5EE;
}

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

/* ヘッダー */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 2px solid #26A688;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-img {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid #26A688;
    padding: 2px;
    background: #FFFFFF;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #192248;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #192248;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #26A688;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #26A688;
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #192248;
    margin: 3px 0;
    transition: 0.3s;
}

/* ヒーローセクション */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #26A688 0%, #192248 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-content {
    flex: 1;
    padding: 2rem;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    opacity: 1;
    transform: none;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 1;
    transform: none;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    opacity: 1;
    transform: none;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: #26A688;
    color: white;
}

.btn-primary:hover {
    background: #1a8a6f;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(38, 166, 136, 0.2);
}

.btn-primary:disabled {
    background: #B4EEE0;
    color: #666;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-primary:disabled:hover {
    background: #B4EEE0;
    transform: none;
    box-shadow: none;
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #192248;
    transform: translateY(-1px);
}

.hero-visual {
    flex: 1;
    position: relative;
}

.floating-elements {
    position: relative;
    width: 100%;
    height: 100%;
}

.element {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 8s ease-in-out infinite;
    will-change: transform;
}

.element-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    right: 20%;
    animation-delay: 0s;
}

.element-2 {
    width: 120px;
    height: 120px;
    top: 60%;
    right: 10%;
    animation-delay: 3s;
}

.element-3 {
    width: 60px;
    height: 60px;
    top: 40%;
    right: 40%;
    animation-delay: 6s;
}

/* セクション共通 */
section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #192248;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #26A688;
}

/* 会社概要セクション */
.about {
    background: #FFFFFF;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: #555;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #26A688;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: #666;
}

/* サービスセクション */
.services {
    background: #DDF8F2;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: #FFFFFF;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(38, 166, 136, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    opacity: 1;
    transform: none;
    border: 1px solid #B4EEE0;
}

.service-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(38, 166, 136, 0.15);
    border-color: #26A688;
}

.service-image {
    margin-bottom: 1.5rem;
    text-align: center;
}

.service-img {
    width: 100%;
    max-width: 200px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

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

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #192248;
}

.service-card p {
    color: #666;
    line-height: 1.6;
}

/* フッター */
.footer {
    background: #192248;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
}

.footer-contact {
    max-width: 500px;
    width: 100%;
}

.footer-info h3,
.footer-contact h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.footer-info p {
    line-height: 1.8;
    color: #bdc3c7;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-family: inherit;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #bdc3c7;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.2);
}

/* CAPTCHAスタイル */
.captcha-group {
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.captcha-label {
    display: block;
    color: #B4EEE0;
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
    font-weight: 500;
}

.captcha-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.captcha-question {
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    background: rgba(38, 166, 136, 0.3);
    padding: 0.5rem 0.8rem;
    border-radius: 6px;
    min-width: 80px;
    text-align: center;
}

.captcha-equals {
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
}

.captcha-input {
    width: 80px !important;
    text-align: center;
    font-weight: 600;
    font-size: 1rem;
}

.captcha-refresh {
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.2s ease;
    padding: 0.3rem;
    border-radius: 4px;
    user-select: none;
}

.captcha-refresh:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.1);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #26A688;
    color: #B4EEE0;
}

/* 軽量アニメーション */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-8px);
    }
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 1rem 0;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li {
        margin: 0;
    }
    
    .nav-menu a {
        display: block;
        padding: 1rem 2rem;
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 2rem 1rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    section {
        padding: 3rem 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .nav-container {
        padding: 1rem;
    }
    
    .logo h1 {
        font-size: 1.2rem;
    }
    
    .logo-img {
        width: 40px;
        height: 40px;
        border-width: 1.5px;
        padding: 1.5px;
    }
}

/* パフォーマンス最適化 */
.service-card {
    will-change: transform;
}

.floating-elements .element {
    will-change: transform;
}

/* GPU加速の最適化（軽量版） */
.hero {
    transform: translateZ(0);
}

.service-card:hover,
.btn:hover {
    transform: translateZ(0);
}

/* スムーズなスクロール */
html {
    scroll-behavior: smooth;
}

/* フォーカス可視性の改善 */
.btn:focus,
.nav-menu a:focus {
    outline: 2px solid #26A688;
    outline-offset: 2px;
}

/* モーダルスタイル */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: #FFFFFF;
    margin: 5% auto;
    padding: 0;
    border-radius: 15px;
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(38, 166, 136, 0.3);
    animation: modalSlideIn 0.3s ease;
}

.modal-header {
    background: linear-gradient(135deg, #26A688 0%, #192248 100%);
    color: white;
    padding: 1.5rem 2rem;
    border-radius: 15px 15px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 600;
}

.modal-close {
    color: white;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
    transition: opacity 0.2s ease;
}

.modal-close:hover {
    opacity: 0.7;
}

.modal-body {
    padding: 2rem;
}

.company-info {
    display: grid;
    gap: 2rem;
}

.info-section h3 {
    color: #192248;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #B4EEE0;
}

.info-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}

.info-table th,
.info-table td {
    padding: 0.8rem;
    text-align: left;
    border-bottom: 1px solid #DDF8F2;
}

.info-table th {
    background-color: #DDF8F2;
    color: #192248;
    font-weight: 600;
    width: 30%;
}

.info-table td {
    color: #333F70;
}

.info-section p {
    color: #333F70;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.info-section ul {
    color: #333F70;
    line-height: 1.8;
    padding-left: 1.5rem;
}

.info-section li {
    margin-bottom: 0.5rem;
}

/* モーダルアニメーション */
@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .modal-content {
        margin: 10% auto;
        width: 95%;
        max-height: 85vh;
    }
    
    .modal-header {
        padding: 1rem 1.5rem;
    }
    
    .modal-header h2 {
        font-size: 1.5rem;
    }
    
    .modal-body {
        padding: 1.5rem;
    }
    
    .info-table th,
    .info-table td {
        padding: 0.6rem;
        font-size: 0.9rem;
    }
    
    .info-table th {
        width: 35%;
    }
}