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

:root {
    --primary-color: #1e40af;
    --primary-dark: #1e3a8a;
    --secondary-color: #3b82f6;
    --accent-color: #f59e0b;
    --accent-light: #fbbf24;
    --text-dark: #0f172a;
    --text-medium: #334155;
    --text-light: #64748b;
    --bg-light: #E8F4F8;
    --bg-white: #ffffff;
    --bg-gray: #f8fafc;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.75;
    color: var(--text-dark);
    background-color: var(--bg-light);
    overflow-x: hidden;
    font-size: 16px;
}

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

.section {
    padding: 100px 0;
}

/* ========================================
   ヘッダー
======================================== */
.header {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 24px;
}

.nav-brand h2 {
    color: white;
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    color: rgba(255, 255, 255, 0.95);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: white;
}

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

.nav-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: white;
}

/* ========================================
   ヒーローセクション
======================================== */
.hero {
    background-image: url('https://cdn1.genspark.ai/user-upload-image/22_generated/beec3e84-c5bf-4db3-afaf-6be21ef9a147.jpeg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 0;
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(15, 23, 42, 0.4) 0%, rgba(30, 41, 59, 0.6) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 4rem 24px;
    width: 100%;
}

.hero-text {
    text-align: center;
    animation: fadeInUp 0.8s ease-out;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 2.8rem;
    line-height: 1.4;
    margin-bottom: 1.8rem;
    color: white;
    font-weight: 800;
    letter-spacing: -1px;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.highlight {
    color: #fbbf24;
    display: block;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 1.15rem;
    color: white;
    margin-bottom: 2.5rem;
    line-height: 1.9;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.hero-buttons {
    display: flex;
    gap: 1.2rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* ========================================
   ボタン
======================================== */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    letter-spacing: 0.3px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(30, 64, 175, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(30, 64, 175, 0.4);
}

.btn-secondary {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(30, 64, 175, 0.3);
}

/* ========================================
   セクションヘッダー
======================================== */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.8rem;
    color: var(--text-dark);
    margin-bottom: 0.8rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 0.9rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 600;
}

/* ========================================
   会社概要
======================================== */
.about {
    background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 50%, #dbeafe 100%);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.about::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.about .container {
    position: relative;
    z-index: 1;
}

.about-content {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 4rem;
    align-items: center;
}

.about-image img {
    width: 100%;
    height: 450px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.about-text {
    font-size: 1.05rem;
}

.about-text .lead {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 1.8rem;
    line-height: 1.8;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-medium);
    line-height: 1.9;
}

/* ========================================
   サービス
======================================== */
.services {
    background-color: var(--bg-light);
}

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

.service-card {
    background: var(--bg-white);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: all 0.4s ease;
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.service-image {
    margin-bottom: 1.5rem;
    border-radius: 16px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.service-header {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    margin-bottom: 1.2rem;
}

.service-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.service-title {
    font-size: 1.6rem;
    margin: 0;
    color: var(--text-dark);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.service-description {
    color: var(--text-medium);
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-size: 1.05rem;
}

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

.service-list li {
    padding: 0.8rem 0;
    color: var(--text-medium);
    font-size: 0.95rem;
}

.service-list i {
    color: var(--accent-color);
    margin-right: 1rem;
    font-size: 1.1rem;
}

/* ========================================
   実績紹介
======================================== */
.results {
    background-image: url('https://page.gensparksite.com/v1/base64_upload/73c48bff15a5c4379f15d38a22624037');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    position: relative;
}

.results::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.85);
    z-index: 0;
}

.results .container {
    position: relative;
    z-index: 1;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.result-card {
    background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.4s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.result-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.result-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.result-icon {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.result-title {
    font-size: 1.4rem;
    margin-bottom: 1.2rem;
    color: var(--text-dark);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.result-description {
    color: var(--text-medium);
    line-height: 1.8;
    font-size: 0.95rem;
}

.featured-result {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    border-radius: 24px;
    padding: 2.5rem;
    color: white;
    box-shadow: var(--shadow-xl);
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.featured-result::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
}

.featured-result-content {
    display: flex;
    align-items: center;
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.featured-result-icon {
    font-size: 3.5rem;
}

.featured-result-title {
    font-size: 1.5rem;
    margin-bottom: 0.6rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.featured-result-amount {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 0.8rem;
    letter-spacing: -1px;
}

.featured-result-description {
    font-size: 1.05rem;
    line-height: 1.7;
    opacity: 0.95;
}

/* ========================================
   私たちの強み
======================================== */
.strengths {
    background-color: var(--bg-light);
}

.strengths-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.strength-card {
    background: var(--bg-white);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.4s ease;
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
}

.strength-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-color);
}

.strength-icon {
    font-size: 3.5rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.strength-title {
    font-size: 1.4rem;
    margin-bottom: 1.2rem;
    color: var(--text-dark);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.strength-description {
    color: var(--text-medium);
    line-height: 1.8;
    font-size: 0.95rem;
}

.featured-strength {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: 24px;
    padding: 3.5rem;
    box-shadow: var(--shadow-xl);
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.featured-strength::before {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.1) 0%, transparent 70%);
}

.featured-strength-content {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    position: relative;
    z-index: 1;
}

.featured-strength-icon {
    font-size: 5rem;
    color: var(--accent-color);
}

.featured-strength-title {
    font-size: 2rem;
    margin-bottom: 1.2rem;
    color: var(--text-dark);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.featured-strength-description {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-dark);
}

/* ========================================
   個人コンサル支援の流れ
======================================== */
.individual {
    background: linear-gradient(135deg, #dbeafe 0%, #e0f2fe 30%, #bfdbfe 70%, #93c5fd 100%);
    position: relative;
    overflow: hidden;
}

.individual::before {
    content: '';
    position: absolute;
    top: -20%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.individual::after {
    content: '';
    position: absolute;
    bottom: -25%;
    right: -8%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(96, 165, 250, 0.12) 0%, transparent 70%);
    border-radius: 50%;
}

.individual .container {
    position: relative;
    z-index: 1;
}

.individual-intro {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.individual-intro .lead {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1.8rem;
    line-height: 1.8;
}

.individual-intro p {
    color: var(--text-medium);
    line-height: 1.9;
    font-size: 1.05rem;
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
    align-items: center;
}

.step-card {
    background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    position: relative;
    transition: all 0.4s ease;
    border: 2px solid var(--border-color);
}

.step-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 0.7rem 2rem;
    border-radius: 30px;
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(30, 64, 175, 0.3);
}

.step-icon {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-top: 2rem;
    margin-bottom: 1.5rem;
}

.step-title {
    font-size: 1.4rem;
    margin-bottom: 1.2rem;
    color: var(--text-dark);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.step-description {
    color: var(--text-medium);
    line-height: 1.8;
    font-size: 0.95rem;
}

.step-arrow {
    font-size: 2rem;
    color: var(--primary-color);
    animation: arrowPulse 2s ease-in-out infinite;
}

.step-arrow-down {
    text-align: center;
    margin: 2.5rem 0;
    position: relative;
    height: 60px;
}

.step-arrow-down i {
    display: none;
}

.step-arrow-down::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 80px solid transparent;
    border-right: 80px solid transparent;
    border-top: 50px solid var(--primary-color);
    animation: triangleBounce 2s ease-in-out infinite;
}

@keyframes arrowPulse {
    0%, 100% {
        opacity: 0.7;
        transform: translateX(0);
    }
    50% {
        opacity: 1;
        transform: translateX(5px);
    }
}

@keyframes arrowBounce {
    0%, 100% {
        opacity: 0.7;
        transform: translateY(0);
    }
    50% {
        opacity: 1;
        transform: translateY(5px);
    }
}

@keyframes triangleBounce {
    0%, 100% {
        opacity: 0.7;
        transform: translateX(-50%) translateY(0);
    }
    50% {
        opacity: 1;
        transform: translateX(-50%) translateY(8px);
    }
}

.success-result {
    background-image: url('https://page.gensparksite.com/v1/base64_upload/b6282812ed70dbcd7acc1c714dad44f6');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 24px;
    padding: 3rem;
    text-align: center;
    box-shadow: var(--shadow-xl);
    margin-bottom: 3rem;
    position: relative;
    overflow: hidden;
}

.success-result::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.92);
    z-index: 0;
}

.success-icon {
    font-size: 3.5rem;
    color: #16a34a;
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.success-title {
    font-size: 1.4rem;
    color: var(--text-dark);
    margin-bottom: 0.8rem;
    font-weight: 700;
    position: relative;
    z-index: 2;
    text-shadow: 0 1px 3px rgba(255, 255, 255, 0.8);
}

.success-amount {
    font-size: 2.5rem;
    font-weight: 800;
    color: #16a34a;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
    position: relative;
    z-index: 2;
    text-shadow: 0 2px 4px rgba(255, 255, 255, 0.9);
}

.success-subtitle {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 2;
    text-shadow: 0 1px 3px rgba(255, 255, 255, 0.8);
}

.success-description {
    font-size: 1.15rem;
    color: var(--text-dark);
    line-height: 1.9;
    position: relative;
    z-index: 2;
    text-shadow: 0 1px 3px rgba(255, 255, 255, 0.9);
}

.success-description strong {
    font-size: 1.35rem;
    color: #16a34a;
    font-weight: 800;
    display: inline-block;
    padding: 0.3rem 0;
    text-shadow: 0 2px 4px rgba(255, 255, 255, 1);
}

.note-box {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-left: 5px solid var(--accent-color);
    padding: 2rem;
    border-radius: 16px;
    max-width: 900px;
    margin: 0 auto;
    box-shadow: var(--shadow-md);
}

.note-box p {
    color: var(--text-dark);
    line-height: 1.9;
    margin: 0;
    font-size: 1.2rem;
    font-weight: 500;
}

.note-box i {
    color: var(--accent-color);
    margin-right: 0.8rem;
    font-size: 1.3rem;
}

/* ========================================
   お問い合わせ
======================================== */
.contact {
    background-color: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: start;
}

.contact-info .lead {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1.8rem;
    line-height: 1.8;
}

.contact-info p {
    color: var(--text-medium);
    margin-bottom: 2.5rem;
    line-height: 1.9;
    font-size: 1.05rem;
}

.contact-method {
    display: flex;
    align-items: start;
    gap: 2rem;
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

.contact-method:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.contact-icon {
    font-size: 3rem;
    color: var(--primary-color);
}

.contact-details h4 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--text-dark);
    font-weight: 700;
}

.contact-details a {
    color: var(--primary-color);
    text-decoration: none;
    word-break: break-all;
    font-size: 1.05rem;
}

.contact-form-wrapper {
    background: var(--bg-white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.contact-form .form-group {
    margin-bottom: 2rem;
}

.contact-form label {
    display: block;
    margin-bottom: 0.8rem;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 1.05rem;
}

.required {
    color: #ef4444;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem 1.2rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: var(--bg-gray);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: white;
    box-shadow: 0 0 0 4px rgba(30, 64, 175, 0.1);
}

.contact-form textarea {
    resize: vertical;
}

/* ========================================
   フッター
======================================== */
.footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white;
    padding: 4rem 0 2rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.footer-section h3 {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1.2rem;
    font-weight: 600;
}

.footer-section p {
    color: #cbd5e1;
    line-height: 1.9;
    font-size: 0.95rem;
}

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

.footer-section ul li {
    margin-bottom: 0.9rem;
}

.footer-section ul li a {
    color: #cbd5e1;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.footer-section ul li a:hover {
    color: white;
    padding-left: 5px;
}

.footer-section i {
    margin-right: 0.8rem;
}

.footer-section a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #94a3b8;
    position: relative;
    z-index: 1;
}

/* ========================================
   トップへ戻るボタン
======================================== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    box-shadow: 0 8px 20px rgba(30, 64, 175, 0.3);
    transition: all 0.3s ease;
    z-index: 999;
}

.scroll-to-top:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(30, 64, 175, 0.4);
}

.scroll-to-top.show {
    display: flex;
}

/* ========================================
   通知
======================================== */
.notification {
    position: fixed;
    top: 100px;
    right: 30px;
    background: var(--bg-white);
    padding: 1.2rem 1.8rem;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    display: none;
    z-index: 1001;
    animation: slideIn 0.3s ease-out;
    border-left: 4px solid;
    font-size: 1rem;
}

.notification.show {
    display: block;
}

.notification.success {
    border-left-color: #22c55e;
}

.notification.error {
    border-left-color: #ef4444;
}

/* ========================================
   アニメーション
======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

@keyframes slideIn {
    from {
        transform: translateX(400px);
    }
    to {
        transform: translateX(0);
    }
}

/* ========================================
   レスポンシブデザイン
======================================== */
@media (max-width: 1024px) {
    .hero {
        min-height: 500px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .results-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .strengths-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .step-arrow {
        display: none;
    }
    
    .step-arrow-down {
        margin: 1.5rem 0;
        height: 50px;
    }
    
    .step-arrow-down::before {
        border-left: 60px solid transparent;
        border-right: 60px solid transparent;
        border-top: 40px solid var(--primary-color);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .section {
        padding: 80px 0;
    }
    
    .section-title {
        font-size: 2.4rem;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-md);
        padding: 2rem;
        gap: 1rem;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.05rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .strengths-grid {
        grid-template-columns: 1fr;
    }
    
    .featured-result-content,
    .featured-strength-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .hero {
        min-height: 400px;
    }
    
    .about-image img {
        height: 350px;
    }
    
    .hero-text {
        padding: 0;
    }
    
    .hero-content {
        padding: 3rem 20px;
    }
    
    .container {
        padding: 0 20px;
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: 500px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .featured-result,
    .featured-strength {
        padding: 2.5rem 1.5rem;
    }
    
    .success-amount {
        font-size: 2.5rem;
    }
}