/* ========================================
   グローバルスタイル
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* カラーパレット - 編集可能 */
    --color-primary: #e31e24;
    --color-secondary: #000000;
    --color-accent: #ff4444;
    --color-white: #ffffff;
    --color-gray-dark: #1a1a1a;
    --color-gray: #333333;
    --color-gray-light: #666666;
    --color-gray-lighter: #999999;
    
    /* フォント */
    --font-primary: 'Noto Sans JP', sans-serif;
    --font-display: 'Anton', 'Bebas Neue', sans-serif;
    
    /* トランジション */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--color-white);
    background-color: var(--color-secondary);
    overflow-x: hidden;
}

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

/* ========================================
   ヘッダー
======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--color-primary);
    transition: var(--transition-normal);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 2px;
}

.header-nav {
    display: flex;
    gap: 30px;
}

.header-nav a {
    color: var(--color-white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.header-nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition-fast);
}

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

.header-cta-btn {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 10px 25px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-fast);
    border: 2px solid var(--color-primary);
}

.header-cta-btn:hover {
    background-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(227, 30, 36, 0.4);
}

/* ========================================
   メインビジュアル
======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 70px;
}

/* 背景画像 - 編集可能 */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://www.genspark.ai/api/files/s/movIxMHL');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.85) 0%, rgba(227,30,36,0.3) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 40px 20px;
    animation: fadeInUp 1s ease;
}

.hero-label {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 8px 20px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 20px;
    clip-path: polygon(5% 0%, 100% 0%, 95% 100%, 0% 100%);
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 30px;
}

.hero-title-main {
    font-family: var(--font-display);
    font-size: clamp(48px, 8vw, 80px);
    font-weight: 900;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 5px;
    text-shadow: 3px 3px 0 var(--color-primary), 6px 6px 0 rgba(0,0,0,0.5);
    line-height: 1;
}

.hero-title-sub {
    font-size: clamp(24px, 4vw, 40px);
    font-weight: 900;
    color: var(--color-white);
    letter-spacing: 3px;
}

.hero-title-location {
    font-size: clamp(20px, 3vw, 32px);
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 2px;
}

.hero-catchphrase {
    font-size: clamp(20px, 3vw, 36px);
    font-weight: 900;
    color: var(--color-primary);
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
    letter-spacing: 2px;
}

.hero-description {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--color-white);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    margin-bottom: 40px;
}

.hero-qr {
    text-align: center;
}

.qr-placeholder {
    width: 150px;
    height: 150px;
    background-color: var(--color-white);
    background-image: url('https://www.genspark.ai/api/files/s/0OEntiIc');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    border: 3px solid var(--color-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    cursor: pointer;
    transition: var(--transition-normal);
}

.qr-placeholder i,
.qr-placeholder p {
    display: none;
}

.qr-placeholder:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(227, 30, 36, 0.4);
}

.qr-placeholder i {
    font-size: 48px;
    color: var(--color-gray-light);
    margin-bottom: 10px;
}

.qr-placeholder p {
    font-size: 12px;
    color: var(--color-gray-light);
}

.qr-text {
    font-size: 14px;
    color: var(--color-white);
}

.hero-info {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.hero-info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 700;
    color: var(--color-white);
}

.hero-info-item i {
    color: var(--color-primary);
    font-size: 20px;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--color-white);
    font-size: 12px;
    letter-spacing: 2px;
    animation: bounce 2s infinite;
}

.hero-scroll i {
    font-size: 20px;
    color: var(--color-primary);
}

/* ========================================
   CTAボタン
======================================== */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 40px;
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
    border-radius: 50px;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: 3px solid transparent;
}

.cta-button-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    box-shadow: 0 5px 20px rgba(227, 30, 36, 0.4);
}

.cta-button-primary:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(227, 30, 36, 0.6);
}

.cta-button-large {
    padding: 22px 50px;
    font-size: 22px;
}

.cta-button i {
    font-size: 24px;
}

/* ========================================
   セクション共通
======================================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-label {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 6px 18px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 15px;
    clip-path: polygon(5% 0%, 100% 0%, 95% 100%, 0% 100%);
}

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 900;
    color: var(--color-white);
    margin-bottom: 20px;
    letter-spacing: 2px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--color-primary);
}

/* ========================================
   コンセプトセクション
======================================== */
.concept {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-gray-dark) 100%);
}

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

.concept-visual {
    position: relative;
}

/* コンセプト画像プレースホルダー - 編集可能 */
.image-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    background-color: var(--color-gray);
    background-image: url('https://www.genspark.ai/api/files/s/QBEzAtPi');
    background-size: cover;
    background-position: center;
    border: 3px dashed var(--color-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-normal);
}

.image-placeholder:hover {
    background-color: var(--color-gray-dark);
    border-color: var(--color-accent);
}

.image-placeholder i {
    font-size: 64px;
    color: var(--color-gray-light);
    margin-bottom: 15px;
}

.image-placeholder p {
    font-size: 16px;
    color: var(--color-gray-light);
}

.concept-tagline {
    font-size: clamp(24px, 4vw, 36px);
    font-weight: 900;
    color: var(--color-primary);
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.concept-description {
    font-size: 18px;
    line-height: 2;
    margin-bottom: 40px;
}

.concept-features {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.concept-feature {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px;
    background-color: rgba(227, 30, 36, 0.1);
    border-left: 4px solid var(--color-primary);
    transition: var(--transition-normal);
}

.concept-feature:hover {
    background-color: rgba(227, 30, 36, 0.2);
    transform: translateX(10px);
}

.concept-feature i {
    font-size: 32px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.concept-feature h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 5px;
}

.concept-feature p {
    font-size: 14px;
    color: var(--color-gray-lighter);
}

/* ========================================
   特徴セクション
======================================== */
.features {
    padding: 100px 0;
    background-color: var(--color-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.feature-card {
    background: linear-gradient(135deg, var(--color-gray-dark) 0%, var(--color-gray) 100%);
    padding: 30px 20px;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition-normal);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(227, 30, 36, 0.2), transparent);
    transition: var(--transition-slow);
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-primary);
    box-shadow: 0 15px 40px rgba(227, 30, 36, 0.3);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background-color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(360deg);
}

.feature-icon i {
    font-size: 28px;
    color: var(--color-white);
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-white);
}

.feature-card p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--color-gray-lighter);
}

/* ========================================
   サポートセクション
======================================== */
.support {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-gray-dark) 100%);
}

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

.support-text h2 {
    margin-bottom: 30px;
}

.support-text p {
    font-size: 16px;
    line-height: 2;
    margin-bottom: 20px;
}

.support-points {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 30px;
}

.support-point {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 18px;
    font-weight: 700;
}

.support-point i {
    color: var(--color-primary);
    font-size: 24px;
}

.support-visual {
    position: relative;
}

/* ========================================
   選考フローセクション
======================================== */
.flow {
    padding: 100px 0;
    background-color: var(--color-secondary);
}

.flow-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto 60px;
}

.flow-timeline::before {
    content: '';
    position: absolute;
    left: 50px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-accent) 100%);
}

.flow-item {
    display: flex;
    gap: 40px;
    margin-bottom: 60px;
    position: relative;
}

.flow-number {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: 900;
    font-family: var(--font-display);
    color: var(--color-white);
    flex-shrink: 0;
    box-shadow: 0 10px 30px rgba(227, 30, 36, 0.4);
    z-index: 1;
}

.flow-content {
    flex: 1;
    background-color: var(--color-gray-dark);
    padding: 30px;
    border-radius: 10px;
    border-left: 4px solid var(--color-primary);
    transition: var(--transition-normal);
}

.flow-content:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.flow-content h3 {
    font-size: 14px;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.flow-content h4 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
}

.flow-content p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--color-gray-lighter);
}

.flow-notes {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 800px;
    margin: 0 auto;
}

.flow-note {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background-color: rgba(227, 30, 36, 0.1);
    border-radius: 8px;
    border-left: 4px solid var(--color-primary);
}

.flow-note i {
    color: var(--color-primary);
    font-size: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

.flow-note p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-gray-lighter);
}

/* ========================================
   募集要項セクション
======================================== */
.requirements {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-gray-dark) 100%);
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.requirements-card {
    background-color: var(--color-gray-dark);
    padding: 40px;
    border-radius: 10px;
    border: 2px solid var(--color-primary);
}

.requirements-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 15px;
}

.requirements-card h3 i {
    font-size: 28px;
}

.requirements-card ul {
    list-style: none;
}

.requirements-card li {
    padding: 12px 0;
    padding-left: 30px;
    position: relative;
    line-height: 1.8;
    font-size: 15px;
}

.requirements-card li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

.requirements-card small {
    display: block;
    margin-top: 5px;
    color: var(--color-gray-lighter);
    font-size: 13px;
}

.requirements-card strong {
    color: var(--color-primary);
}

.requirements-cost {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    padding: 30px 40px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 15px 40px rgba(227, 30, 36, 0.4);
}

.requirements-cost h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.requirements-cost h3 i {
    font-size: 24px;
}

.cost-free {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.6;
}

.cost-note {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.9);
}

/* ========================================
   エントリーセクション
======================================== */
.entry {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-gray-dark) 50%, var(--color-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.entry::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(227, 30, 36, 0.2) 0%, transparent 70%);
    animation: pulse 3s infinite;
}

.entry-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.entry-title {
    font-size: clamp(36px, 6vw, 56px);
    font-weight: 900;
    margin-bottom: 20px;
    color: var(--color-white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.entry-subtitle {
    font-size: clamp(18px, 3vw, 24px);
    margin-bottom: 40px;
    color: var(--color-gray-lighter);
}

.entry-buttons {
    margin-bottom: 40px;
}

.entry-qr {
    text-align: center;
}

.qr-placeholder.large {
    width: 200px;
    height: 200px;
}

.qr-placeholder.large i {
    font-size: 64px;
}

.entry-qr p {
    margin-top: 15px;
    font-size: 16px;
    color: var(--color-gray-lighter);
}

/* ========================================
   会社概要セクション
======================================== */
.company {
    padding: 80px 0;
    background-color: var(--color-secondary);
}

.company-info {
    text-align: center;
    font-size: 18px;
    line-height: 2;
}

.company-info p {
    margin-bottom: 10px;
}

/* ========================================
   フッター
======================================== */
.footer {
    background-color: var(--color-gray-dark);
    padding: 60px 0 30px;
    border-top: 2px solid var(--color-primary);
}

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

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

.footer-nav {
    display: flex;
    gap: 30px;
}

.footer-nav a {
    color: var(--color-white);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--color-gray);
}

.footer-bottom p {
    font-size: 14px;
    color: var(--color-gray-lighter);
}

/* ========================================
   トップへ戻るボタン
======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 5px 15px rgba(227, 30, 36, 0.4);
    transition: var(--transition-normal);
    z-index: 999;
}

.back-to-top:hover {
    background-color: var(--color-accent);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(227, 30, 36, 0.6);
}

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

/* ========================================
   アニメーション
======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.8;
    }
}

/* ========================================
   レスポンシブ
======================================== */
@media (max-width: 768px) {
    .header-nav {
        display: none;
    }
    
    .header-content {
        padding: 15px 20px;
    }
    
    .hero-content {
        padding: 20px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-info {
        flex-direction: column;
        gap: 20px;
    }
    
    .concept-content,
    .support-content {
        grid-template-columns: 1fr;
    }
    
    .support-content {
        grid-template-columns: 1fr;
    }
    
    .support-text {
        order: 2;
    }
    
    .support-visual {
        order: 1;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .flow-timeline::before {
        left: 35px;
    }
    
    .flow-item {
        gap: 20px;
    }
    
    .flow-number {
        width: 70px;
        height: 70px;
        font-size: 24px;
    }
    
    .requirements-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    
    .footer-nav {
        flex-direction: column;
        gap: 15px;
    }
}