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

:root {
    /* ARROW WORLD カラーパレット */
    --primary-color: #f4a261;
    --secondary-color: #e76f51;
    --accent-color: #264653;
    --mustard-yellow: #f1c40f;
    --warm-orange: #e67e22;
    --dark-brown: #8b4513;
    --light-brown: #d2b48c;
    --cream: #fdf6e3;
    --dark-bg: #2c3e50;
    --darker-bg: #1a252f;
    --card-bg: #34495e;
    --text-primary: #2c3e50;
    --text-secondary: #5d6d7e;
    --text-light: #ecf0f1;
    --border-color: #bdc3c7;
    --gradient-primary: linear-gradient(135deg, #f4a261 0%, #e76f51 100%);
    --gradient-secondary: linear-gradient(135deg, #f1c40f 0%, #e67e22 100%);
    --gradient-warm: linear-gradient(135deg, #fdf6e3 0%, #f1c40f 100%);
    --shadow-glow: 0 0 20px rgba(241, 196, 15, 0.3);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.15);
    --shadow-warm: 0 4px 20px rgba(244, 162, 97, 0.2);
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    background: var(--gradient-warm);
    background-image: url('images/ページ背景.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-blend-mode: overlay;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(253, 246, 227, 0.85);
    z-index: -1;
    pointer-events: none;
}

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

/* ヘッダー */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(253, 246, 227, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 2px solid var(--mustard-yellow);
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h1 {
    font-family: 'Fredoka', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 20px rgba(244, 162, 97, 0.5);
}

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

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 80%;
}

.nav-link:hover {
    color: var(--primary-color);
    background: rgba(244, 162, 97, 0.1);
}

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

.bar {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* ヒーローセクション */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background: var(--gradient-warm);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-warm);
    z-index: -3;
}

.hero-event-cover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('images/イベントカバー.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.3;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 0%, rgba(241, 196, 15, 0.2) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    padding: 0 20px;
    z-index: 1;
}

.hero-title {
    font-family: 'Fredoka', sans-serif;
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(244, 162, 97, 0.5);
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        text-shadow: 0 0 20px rgba(244, 162, 97, 0.5);
    }
    to {
        text-shadow: 0 0 30px rgba(244, 162, 97, 0.8);
    }
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    font-family: 'Noto Sans JP', sans-serif;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-warm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(244, 162, 97, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 12px 30px;
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* セクション共通スタイル */
.section-title {
    font-family: 'Fredoka', sans-serif;
    font-size: 2.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ゲームセクション */
.game-section {
    padding: 100px 0;
    background: rgba(253, 246, 227, 0.9);
    backdrop-filter: blur(5px);
}

.game-showcase {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.game-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    max-width: 1000px;
    width: 100%;
}

.game-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform 0.3s ease;
}

.game-image:hover {
    transform: translateY(-5px);
}

.game-image img {
    width: 100%;
    height: auto;
    display: block;
}

.game-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.game-image:hover .game-overlay {
    opacity: 1;
}

.play-button {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-primary);
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-glow);
}

.play-button:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(244, 162, 97, 0.6);
}

.game-info h3 {
    font-family: 'Fredoka', sans-serif;
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.game-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
    font-size: 1.1rem;
}

.game-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(244, 162, 97, 0.1);
    border-radius: 15px;
    border-left: 4px solid var(--primary-color);
}

.feature i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.feature span {
    font-weight: 500;
    color: var(--text-primary);
}

.game-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    background: var(--gradient-secondary);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* チームセクション */
.team-section {
    padding: 100px 0;
    background: rgba(241, 196, 15, 0.1);
    backdrop-filter: blur(5px);
}

.team-intro {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.team-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.team-member {
    background: var(--cream);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    box-shadow: var(--shadow-card);
}

.team-member:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-warm);
}

.member-image {
    width: 120px;
    height: 120px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--primary-color);
    box-shadow: var(--shadow-glow);
}

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

.member-info h3 {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.member-role {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.member-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.member-social {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.member-social .social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.member-social .social-link:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

/* 配信・取り扱い情報 */
.distribution-info {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 2px solid var(--border-color);
}

.distribution-info h3 {
    font-family: 'Fredoka', sans-serif;
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

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

.distribution-card {
    background: var(--cream);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    box-shadow: var(--shadow-card);
}

.distribution-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-warm);
}

.distribution-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}

.distribution-card h4 {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.distribution-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.game-platforms {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.game-platforms h4 {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.platform-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.platform-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.2rem;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-warm);
}

.platform-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(244, 162, 97, 0.4);
}

.platform-link.steam {
    background: linear-gradient(135deg, #1b2838 0%, #2a475e 100%);
}

.platform-link.itch {
    background: linear-gradient(135deg, #fa5c5c 0%, #ff6b6b 100%);
}

.platform-link.nintendo {
    background: linear-gradient(135deg, #e60012 0%, #ff6b6b 100%);
}

/* Steam CTA */
.steam-cta {
    margin-top: 2rem;
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, #1b2838 0%, #2a475e 100%);
    border-radius: 15px;
    border: 2px solid #66c0f4;
    box-shadow: 0 8px 32px rgba(102, 192, 244, 0.3);
}

.btn-steam {
    background: linear-gradient(135deg, #1b2838 0%, #2a475e 100%);
    color: white;
    border: 2px solid #66c0f4;
    font-size: 1.2rem;
    padding: 15px 30px;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(102, 192, 244, 0.3);
}

.btn-steam:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(102, 192, 244, 0.5);
    background: linear-gradient(135deg, #2a475e 0%, #1b2838 100%);
}

.btn-steam i {
    font-size: 1.5rem;
}

.steam-note {
    margin-top: 1rem;
    color: #66c0f4;
    font-size: 0.9rem;
    font-weight: 500;
}

.gameplay-cta {
    margin-top: 2rem;
    text-align: center;
}

.gameplay-cta .btn {
    font-size: 1.1rem;
    padding: 12px 25px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* 垂直カプセル用スタイル */
.vertical-capsule {
    max-width: 300px;
    margin: 0 auto;
}

.vertical-capsule img {
    width: 100%;
    height: auto;
    max-height: 900px;
    object-fit: cover;
}

/* 16:9動画コンテナ */
.video-showcase {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.video-container-16-9 {
    position: relative;
    width: 100%;
    max-width: 800px;
    aspect-ratio: 16/9;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform 0.3s ease;
}

.video-container-16-9:hover {
    transform: translateY(-5px);
}

.video-container-16-9 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-container-16-9 video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 15px;
}

/* YouTubeセクション */
.youtube-section {
    padding: 100px 0;
    background: rgba(253, 246, 227, 0.9);
    backdrop-filter: blur(5px);
}

.youtube-intro {
    text-align: center;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.youtube-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.youtube-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
    width: 50%;
    height: auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.youtube-card {
    background: var(--cream);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    box-shadow: var(--shadow-card);
}

.youtube-card:hover {
    transform: translateY(-5px);
    border-color: #ff0000;
    box-shadow: 0 8px 32px rgba(255, 0, 0, 0.2);
}

.youtube-thumbnail {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.youtube-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.youtube-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.youtube-card:hover .youtube-overlay {
    opacity: 1;
}

.youtube-play-button {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #ff0000;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 20px rgba(255, 0, 0, 0.5);
}

.youtube-play-button:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(255, 0, 0, 0.8);
}

.youtube-info {
    padding: 1.5rem;
}

.youtube-info h3 {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    line-height: 1.4;
}

.youtube-info p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
    font-size: 0.9rem;
}

.youtube-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.youtube-views {
    color: #ff0000;
    font-weight: 600;
}

.youtube-cta {
    text-align: center;
}

.btn-youtube {
    background: linear-gradient(135deg, #ff0000 0%, #cc0000 100%);
    color: white;
    border: 2px solid #ff0000;
    font-size: 1.1rem;
    padding: 12px 25px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(255, 0, 0, 0.3);
}

.btn-youtube:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 0, 0, 0.5);
    background: linear-gradient(135deg, #cc0000 0%, #ff0000 100%);
}

/* キャラクターセクション */
.character-section {
    padding: 100px 0;
    background: rgba(241, 196, 15, 0.1);
    backdrop-filter: blur(5px);
}

.character-showcase {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.character-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    max-width: 1000px;
    width: 100%;
}

.character-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform 0.3s ease;
}

.character-image:hover {
    transform: translateY(-5px);
}

.character-image img {
    width: 100%;
    height: auto;
    display: block;
}

.character-info h3 {
    font-family: 'Fredoka', sans-serif;
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.character-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
    font-size: 1.1rem;
}

.character-traits {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.trait {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem;
    background: rgba(231, 111, 81, 0.1);
    border-radius: 15px;
    border-left: 4px solid var(--secondary-color);
}

.trait i {
    color: var(--secondary-color);
    font-size: 1.1rem;
}

.trait span {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.character-quote {
    background: rgba(241, 196, 15, 0.1);
    padding: 1.5rem;
    border-radius: 15px;
    border-left: 4px solid var(--mustard-yellow);
    font-style: italic;
    color: var(--text-secondary);
}

.character-quote p {
    margin: 0;
    font-size: 1.1rem;
    line-height: 1.6;
}

/* ゲームプレイセクション */
.gameplay-section {
    padding: 100px 0;
    background: rgba(253, 246, 227, 0.9);
    backdrop-filter: blur(5px);
}

.gameplay-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.gameplay-video {
    position: relative;
}

.video-container {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform 0.3s ease;
}

.video-container:hover {
    transform: translateY(-5px);
}

.video-container img {
    width: 100%;
    height: auto;
    display: block;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-container:hover .video-overlay {
    opacity: 1;
}

.play-button.large {
    width: 80px;
    height: 80px;
    font-size: 2rem;
}

.gameplay-info h3 {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.gameplay-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
    font-size: 1.1rem;
}

.gameplay-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(244, 162, 97, 0.1);
    border-radius: 15px;
    border-left: 4px solid var(--primary-color);
}

.feature-item i {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-top: 0.2rem;
}

.feature-item h4 {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.feature-item p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* ニュースセクション */
.news-section {
    padding: 100px 0;
    background: rgba(241, 196, 15, 0.1);
    backdrop-filter: blur(5px);
}

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

.news-card {
    background: var(--cream);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-warm);
    border-color: var(--primary-color);
}

.news-image {
    aspect-ratio: 1;
    overflow: hidden;
    position: relative;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    border-radius: 10px 10px 0 0;
}

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

.news-content {
    padding: 1.5rem;
}

.news-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.news-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.news-category {
    background: var(--gradient-primary);
    color: white;
    padding: 0.2rem 0.6rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.news-content h3 {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    line-height: 1.4;
}

.news-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: var(--secondary-color);
}

/* コンタクトセクション */
.contact-section {
    padding: 100px 0;
    background: rgba(253, 246, 227, 0.9);
    backdrop-filter: blur(5px);
}

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

.contact-info h3 {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-methods {
    margin-bottom: 2rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-method i {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.contact-method h4 {
    color: var(--text-primary);
    margin-bottom: 0.2rem;
    font-family: 'Fredoka', sans-serif;
}

.contact-method p {
    color: var(--text-secondary);
    margin: 0;
}

.contact-form {
    background: var(--cream);
    padding: 2rem;
    border-radius: 15px;
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-card);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-family: 'Fredoka', sans-serif;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: white;
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: 'Noto Sans JP', sans-serif;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(244, 162, 97, 0.2);
}

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

/* フッター */
.footer {
    background: var(--dark-bg);
    padding: 3rem 0 1rem;
    border-top: 2px solid var(--mustard-yellow);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.footer-section h3 {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-section p {
    color: var(--text-light);
    line-height: 1.6;
    opacity: 0.8;
}

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

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

.footer-section ul li a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
    opacity: 0.8;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
    opacity: 1;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
    opacity: 0.6;
}

/* モーダル */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    margin: 5% auto;
    width: 80%;
    max-width: 800px;
    background: var(--cream);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.close {
    position: absolute;
    top: 15px;
    right: 20px;
    color: var(--text-primary);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    z-index: 2001;
    transition: color 0.3s ease;
}

.close:hover {
    color: var(--primary-color);
}

#modalVideo {
    width: 100%;
    height: auto;
    display: block;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--cream);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-card);
        padding: 2rem 0;
        border-top: 2px solid var(--mustard-yellow);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .game-main,
    .character-main,
    .gameplay-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .distribution-grid {
        grid-template-columns: 1fr;
    }
    
    .youtube-grid {
        grid-template-columns: 1fr;
    }
    
    .vertical-capsule {
        max-width: 250px;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
    }
    
    .character-traits {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .btn {
        padding: 10px 25px;
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .game-info,
    .character-info,
    .news-content,
    .contact-form {
        padding: 1rem;
    }
    
    .game-features,
    .character-traits {
        gap: 0.8rem;
    }
    
    .feature,
    .trait {
        padding: 0.8rem;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* スクロールバー */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--cream);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* 物流倉庫テーマのアニメーション */
@keyframes conveyorMove {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.conveyor-animation {
    animation: conveyorMove 3s linear infinite;
}

/* 段ボール箱のアニメーション */
@keyframes boxBounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.box-animation {
    animation: boxBounce 2s ease-in-out infinite;
}

/* コンベアベルトの動きを表現するアニメーション */
@keyframes conveyorBelt {
    0% {
        background-position: 0% 0%;
    }
    100% {
        background-position: 100% 0%;
    }
}

.conveyor-belt-effect {
    background-image: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 20px,
        rgba(241, 196, 15, 0.1) 20px,
        rgba(241, 196, 15, 0.1) 40px
    );
    animation: conveyorBelt 2s linear infinite;
}

/* ヒーローセクションのコンベア効果 */
.hero-event-cover::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 30px,
        rgba(244, 162, 97, 0.1) 30px,
        rgba(244, 162, 97, 0.1) 60px
    );
    animation: conveyorBelt 3s linear infinite;
    pointer-events: none;
}