/* ===================================
   グローバル設定
   =================================== */
:root {
    --primary-color: #2c5f7c;
    --secondary-color: #4a9ec2;
    --accent-color: #f39c12;
    --text-dark: #333333;
    --text-light: #666666;
    --text-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --success-color: #27ae60;
    --training-color: #00CED1;
    --acupuncture-color: #FF6B6B;
    --line-color: #06c755;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* ===================================
   レスポンシブ用のブレークポイント制御
   =================================== */
.br-mobile {
    display: none;
}

@media (max-width: 768px) {
    .br-mobile {
        display: inline;
    }
}

/* ===================================
   ヘッダー
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 2px;
}

.logo-subtitle {
    font-size: 11px;
    color: var(--text-light);
    font-weight: 400;
    letter-spacing: 1px;
    margin-top: 2px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-list {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    padding: 8px 0;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-cta {
    background: var(--primary-color);
    color: var(--text-white);
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600;
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    border-radius: 8px;
    padding: 12px 0;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: block;
    padding: 12px 24px;
    color: var(--text-dark);
    font-size: 14px;
    transition: var(--transition);
}

.dropdown-menu li a:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

/* サブメニュー（ネストされたドロップダウン） */
.dropdown-submenu {
    position: relative;
}

.dropdown-submenu > a {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dropdown-submenu-content {
    position: absolute;
    left: 100%;
    top: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    border-radius: 8px;
    padding: 12px 0;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-10px);
    transition: var(--transition);
}

.dropdown-submenu:hover .dropdown-submenu-content {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.dropdown-submenu-content li a {
    padding: 10px 20px;
    font-size: 13px;
}

.dropdown-submenu-content li a:hover {
    background: var(--bg-light);
    color: var(--primary-color);
    padding-left: 24px;
}

/* ===================================
   ヒーローセクション
   =================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2c5f7c 0%, #4a9ec2 100%);
    overflow: hidden;
    margin-top: 80px;
}

.hero::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="rgba(255,255,255,0.05)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,138.7C960,139,1056,117,1152,106.7C1248,96,1344,96,1392,96L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, transparent 0%, rgba(0, 0, 0, 0.2) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--text-white);
    max-width: 900px;
    padding: 0 24px;
    animation: fadeInUp 1s ease;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 24px;
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 16px;
    opacity: 0.95;
}

.hero-description {
    font-size: 16px;
    line-height: 1.8;
    opacity: 0.9;
    font-weight: 400;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-white);
    font-size: 12px;
    letter-spacing: 2px;
    opacity: 0.8;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(10px);
    }
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: var(--text-white);
    opacity: 0.6;
}

/* ===================================
   共通セクション
   =================================== */
section {
    padding: 100px 0;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 16px;
    line-height: 1.4;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-title-white {
    font-size: 40px;
    font-weight: 700;
    color: var(--text-white);
    text-align: center;
    margin-bottom: 16px;
}

/* ===================================
   サービス分岐セクション
   =================================== */
.service-branch {
    background: var(--bg-light);
}

.branch-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.branch-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 48px 40px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

.branch-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.branch-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--text-white);
}

.branch-card:nth-child(2) .branch-icon {
    background: linear-gradient(135deg, var(--training-color), #ec7063);
}

.branch-card h3 {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.branch-tagline {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 32px;
    font-weight: 500;
}

.branch-features {
    text-align: left;
    margin-bottom: 32px;
}

.branch-features li {
    padding: 12px 0;
    color: var(--text-dark);
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.branch-features i {
    color: var(--success-color);
    font-size: 18px;
}

.branch-button,
.branch-button-secondary {
    display: block;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    font-size: 15px;
}

.branch-button {
    background: var(--primary-color);
    color: var(--text-white);
    margin-bottom: 12px;
}

.branch-button:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.branch-button-secondary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.branch-button-secondary:hover {
    background: var(--primary-color);
    color: var(--text-white);
}

/* ===================================
   こんな方にセクション
   =================================== */
.target-users {
    background: var(--bg-white);
}

.user-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.user-card {
    text-align: center;
    padding: 40px 32px;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.user-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.user-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 24px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--primary-color);
}

.user-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.user-card p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
}

/* ===================================
   KOROMOの強みセクション
   =================================== */
.strengths {
    background: var(--bg-light);
}

.strength-diagram {
    position: relative;
    max-width: 900px;
    margin: 0 auto 60px;
    padding: 80px 0;
}

.strength-center {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 80px;
}

.strength-core {
    width: 140px;
    height: 140px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 48px;
    box-shadow: var(--shadow-lg);
    z-index: 2;
}

.strength-core p {
    font-size: 16px;
    font-weight: 700;
    margin-top: 8px;
}

.strength-items {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.strength-item {
    text-align: center;
    padding: 32px 20px;
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.strength-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.strength-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--primary-color);
}

.strength-item h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.strength-item p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.6;
}

.strength-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-box {
    padding: 32px;
    background: var(--bg-white);
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.feature-box h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.feature-box h4 i {
    color: var(--primary-color);
    font-size: 22px;
}

.feature-box p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
}

/* ===================================
   お客様の声セクション
   =================================== */
.testimonials {
    background: var(--bg-white);
}

.testimonial-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.testimonial-card {
    background: var(--bg-light);
    border-radius: 12px;
    padding: 32px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.testimonial-avatar {
    width: 56px;
    height: 56px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 24px;
    flex-shrink: 0;
}

.testimonial-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
}

.testimonial-condition {
    font-size: 13px;
    color: var(--text-light);
}

.testimonial-text {
    font-size: 14px;
    color: var(--text-dark);
    line-height: 1.8;
}

/* ===================================
   CTAセクション
   =================================== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-white);
}

.cta-description {
    text-align: center;
    font-size: 16px;
    margin-bottom: 48px;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 40px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

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

.cta-primary:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.cta-secondary {
    background: transparent;
    border: 2px solid var(--text-white);
    color: var(--text-white);
}

.cta-secondary:hover {
    background: var(--text-white);
    color: var(--primary-color);
}

/* ===================================
   フッター
   =================================== */
.footer {
    background: var(--text-dark);
    color: var(--text-white);
    padding: 60px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-section h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-section h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-tagline {
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 12px;
}

.footer-section p {
    font-size: 14px;
    opacity: 0.8;
    line-height: 1.8;
    margin-bottom: 8px;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 14px;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--secondary-color);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    opacity: 0.7;
}

/* ===================================
   レスポンシブデザイン
   =================================== */
@media (max-width: 1024px) {
    .strength-items {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .strength-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    /* 固定CTAバー */
    .fixed-cta-bar {
        top: 72px;
        padding: 12px 0;
    }
    
    .cta-container {
        flex-direction: column;
        gap: 12px;
    }
    
    .cta-button {
        max-width: 100%;
        width: 100%;
    }
    
    /* ヘッダー */
    .menu-toggle {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: 72px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 72px);
        background: var(--bg-white);
        transition: var(--transition);
        overflow-y: auto;
    }
    
    .nav.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        padding: 32px 24px;
        gap: 0;
    }
    
    .nav-list li {
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-link {
        display: block;
        padding: 16px 0;
    }
    
    .nav-cta {
        margin-top: 16px;
        text-align: center;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--bg-light);
        margin-top: 8px;
        border-radius: 8px;
        display: none;
    }
    
    .dropdown-submenu-content {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: rgba(0, 0, 0, 0.05);
        margin-top: 8px;
        margin-left: 16px;
        border-radius: 8px;
        display: none;
    }
    
    .dropdown-submenu-content li a {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    /* ヒーロー */
    .hero {
        height: auto;
        min-height: 500px;
        padding: 120px 0 60px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-description {
        font-size: 14px;
    }
    
    /* セクション */
    section {
        padding: 60px 0;
    }
    
    .section-title,
    .section-title-white {
        font-size: 28px;
    }
    
    .section-subtitle {
        font-size: 14px;
        margin-bottom: 40px;
    }
    
    /* サービス分岐 */
    .branch-cards {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    /* こんな方に */
    .user-cards {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    /* 強み */
    .strength-items {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .strength-item {
        padding: 24px 16px;
    }
    
    /* お客様の声 */
    .testimonial-cards {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    /* CTA */
    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .cta-btn {
        width: 100%;
        justify-content: center;
    }
    
    /* フッター */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }
    
    .section-title,
    .section-title-white {
        font-size: 24px;
    }
    
    .strength-items {
        grid-template-columns: 1fr;
    }
    
    /* インラインスタイルのグリッド調整 */
    [style*="grid-template-columns: repeat(auto-fit, minmax(280px"] {
        grid-template-columns: 1fr !important;
    }
    
    [style*="grid-template-columns: repeat(auto-fit, minmax(450px"] {
        grid-template-columns: 1fr !important;
    }
    
    [style*="grid-template-columns: repeat(auto-fit, minmax(250px"] {
        grid-template-columns: 1fr !important;
    }
}