/* ========================================
   リセット & 基本スタイル
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* カラーパレット: 白・グレーベース + 紫アクセント */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #0d0d12;
    --color-bg-card: rgba(20, 20, 28, 0.5);
    --color-text-primary: #ffffff;
    --color-text-secondary: #a0a0b0;
    --color-text-muted: #6b6b80;
    --color-accent: #a855f7;
    --color-accent-bright: #c084fc;
    --color-accent-dark: #7c3aed;
    --color-accent-glow: rgba(168, 85, 247, 0.5);
    --color-cyan: #22d3ee;
    --color-border: rgba(147, 51, 234, 0.3);
    
    /* タイポグラフィ */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;
}

@font-face {
    font-family: 'Makinas4';
    src: url('Makinas-4-Square.otf') format('opentype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background-color: var(--color-accent);
    color: white;
}

/* ========================================
   ナビゲーション
======================================== */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
    padding: 1.5rem 0;
    border-bottom: 1px solid transparent;
}

#navbar.scrolled {
    background-color: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    padding: 0.75rem 0;
    border-bottom-color: var(--color-border);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    position: relative;
}

.logo-text {
    font-size: 1.5rem;
    font-family: makinas4;
}

.logo-accent {
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color 0.3s ease;
}

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

.btn-home {
    padding: 0.5rem 1.25rem;
    background-color: transparent;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-home:hover {
    background-color: rgba(168, 85, 247, 0.1);
    border-color: var(--color-accent);
    color: var(--color-accent-bright);
}

/* ========================================
   ヒーローセクション
======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 5rem;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    opacity: 0.5;
    filter: blur(5px);
    mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 10;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.hero-text {
    flex: 1;
    text-align: left;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent-bright);
    background-color: rgba(168, 85, 247, 0.1);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    backdrop-filter: blur(10px);
    margin-bottom: 2rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@font-face {
    font-family: makinas4;
    src: url(./Makinas-4-Flat.otf);
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-family: makinas4;
    line-height: 1;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(90deg, var(--color-accent-bright), var(--color-cyan), var(--color-accent-bright));
    background-size: 200% auto;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    transform: skewX(-10deg);
}

.btn > * {
    transform: skewX(10deg);
}

.btn-primary {
    background-color: var(--color-accent);
    color: white;
    border: 1px solid rgba(168, 85, 247, 0.3);
    box-shadow: 0 0 20px var(--color-accent-glow);
}

.btn-primary:hover {
    background-color: var(--color-accent-bright);
    box-shadow: 0 0 30px rgba(192, 132, 252, 0.8);
    transform: skewX(-10deg) translateY(-2px);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.hero-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    font-family: var(--font-mono);
}

.hero-info svg {
    color: var(--color-accent);
}

/* 統計カード */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    max-width: 600px;
}

.stat-card {
    display: flex;
    flex-direction: column;
    padding: 1rem;
    background-color: var(--color-bg-card);
    border-left: 2px solid var(--color-accent);
    backdrop-filter: blur(10px);
}

.stat-label {
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent-bright);
    margin-bottom: 0.25rem;
}

.stat-value {
    display: flex;
    align-items: baseline;
}

.stat-number {
    font-size: 2rem;
    font-weight: 900;
    font-family: var(--font-mono);
    color: white;
}

.stat-unit {
    margin-left: 0.25rem;
    font-size: 0.875rem;
    font-family: var(--font-mono);
    color: var(--color-text-muted);
}

/* ビジュアル */
.hero-visual {
    flex: 1;
    position: relative;
    width: 100%;
    max-width: 600px;
}

.visual-glow {
    position: absolute;
    inset: -1rem;
    background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
    opacity: 0.3;
    animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.05); }
}

/* ゲームプレイデモ */
.gameplay-demo {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: #000000;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: 0 0 50px rgba(147, 51, 234, 0.2);
}

.demo-lanes {
    position: absolute;
    inset: 0;
    display: flex;
    justify-content: center;
    opacity: 0.3;
}

.lane {
    width: 12.5%;
    height: 100%;
    border-right: 1px solid rgba(128, 128, 128, 0.3);
}

.lane:last-child {
    border-right: none;
}

.demo-judgment-line {
    position: absolute;
    bottom: 10%;
    left: 0;
    right: 0;
    height: 2px;
    background-color: rgba(168, 85, 247, 0.5);
    box-shadow: 0 0 10px var(--color-accent);
}

.demo-notes-container {
    position: absolute;
    inset: 0;
    display: flex;
    justify-content: center;
    overflow: hidden;
}

.demo-combo {
    position: absolute;
    top: 33%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.combo-number {
    font-size: 4rem;
    font-weight: 900;
    font-style: italic;
    letter-spacing: -0.05em;
    color: white;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
    animation: pulse 1s ease-in-out infinite;
}

.combo-label {
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.5em;
    text-transform: uppercase;
    color: var(--color-accent-bright);
}

.decorative-ring {
    position: absolute;
    right: -2rem;
    bottom: 2.5rem;
    width: 6rem;
    height: 6rem;
    border: 4px solid rgba(168, 85, 247, 0.2);
    border-radius: 50%;
    border-top-color: var(--color-accent);
    animation: spin-slow 10s linear infinite;
}

@keyframes spin-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* スクロールインジケーター */
.scroll-indicator {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.5;
    animation: bounce 2s ease-in-out infinite;
}

.scroll-indicator span {
    font-size: 0.625rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-text-muted);
}

.scroll-line {
    width: 1px;
    height: 3rem;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
}

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

/* ========================================
   特徴ストライプ
======================================== */
.features-stripe {
    background-color: rgba(124, 58, 237, 0.8);
    transform: skewY(-3deg);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    overflow: hidden;
    position: relative;
    z-index: 20;
}

.stripe-content {
    transform: skewY(3deg);
    padding: 3rem 2rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 2rem 3rem;
    opacity: 0.9;
}

.stripe-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.875rem;
}

.stripe-item svg {
    color: rgba(255, 255, 255, 0.8);
}

/* ========================================
   紹介映像セクション
======================================== */
.video-section {
    padding: 8rem 0;
    background-color: var(--color-bg-secondary);
    text-align: center;
}

.video-wrapper {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding-bottom: 56.25%; /* 16:9アスペクト比 */
    height: 0;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 0 50px rgba(168, 85, 247, 0.2);
    border: 1px solid var(--color-border);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* ========================================
   特徴セクション
======================================== */
.features-section {
    padding: 8rem 0;
    background-color: var(--color-bg-primary);
    text-align: center;
}

.features-list {
    max-width: 1000px;
    margin: 4rem auto 0;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem;
    background-color: var(--color-bg-card);
    border: 1px solid rgba(128, 128, 128, 0.2);
    border-radius: 12px;
    text-align: left;
    transition: all 0.3s ease;
}

.feature-item:hover {
    border-color: var(--color-accent);
    transform: translateX(8px);
    box-shadow: 0 10px 30px rgba(168, 85, 247, 0.2);
}

.feature-icon-wrapper {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(168, 85, 247, 0.1);
    border-radius: 8px;
    border: 1px solid var(--color-accent);
}

.feature-icon-wrapper svg {
    color: var(--color-accent-bright);
}

.feature-content {
    flex: 1;
}

.feature-item .feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
}

.feature-item .feature-description {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ========================================
   ゲームプレイセクション
======================================== */
.gameplay-section {
    padding: 8rem 0;
    position: relative;
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-family: 'Makinas4', var(--font-sans);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    font-style: normal;
    margin-bottom: 1rem;
}

.title-accent {
    color: var(--color-accent);
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    position: relative;
    padding: 2rem;
    background-color: var(--color-bg-card);
    border: 1px solid rgba(128, 128, 128, 0.2);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(168, 85, 247, 0.2);
}

.feature-icon {
    width: 4rem;
    height: 4rem;
    background-color: rgba(20, 20, 28, 0.8);
    border: 1px solid rgba(128, 128, 128, 0.2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon svg {
    color: var(--color-accent-bright);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.feature-description {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ========================================
   技術仕様セクション
======================================== */
.tech-section {
    padding: 6rem 0;
    background-color: var(--color-bg-secondary);
    position: relative;
    overflow: hidden;
}

.tech-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(to left, rgba(124, 58, 237, 0.1), transparent);
    pointer-events: none;
}

.tech-content {
    display: flex;
    align-items: center;
    gap: 4rem;
    position: relative;
    z-index: 10;
}

.tech-visual {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tech-glow {
    position: absolute;
    inset: -2rem;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.2), transparent);
    border-radius: 50%;
}

.tech-icon-large {
    position: relative;
    z-index: 1;
    opacity: 0.5;
}

.tech-icon-large svg {
    color: rgba(128, 128, 128, 0.3);
}

.tech-metric {
    position: absolute;
    text-align: center;
}

.metric-value {
    font-size: 4rem;
    font-weight: 900;
    color: white;
}

.metric-value span {
    font-size: 1.5rem;
    color: var(--color-accent);
}

.metric-label {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-text-muted);
}

.tech-info {
    flex: 1;
}

.tech-features {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.tech-feature-item {
    display: flex;
    gap: 1rem;
}

.tech-feature-icon {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    background-color: rgba(20, 20, 28, 0.8);
    border: 1px solid rgba(128, 128, 128, 0.2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tech-feature-icon svg {
    color: var(--color-accent-bright);
}

.tech-feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.tech-feature-desc {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ========================================
   ダウンロードセクション
======================================== */
.download-section {
    padding: 8rem 0;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.download-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(168, 85, 247, 0.1), transparent);
}

.download-title {
    font-family: 'Makinas4', var(--font-sans);
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 900;
    font-style: normal;
    letter-spacing: -0.05em;
    margin-bottom: 3rem;
}

.download-description {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.download-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 3rem;
}


.btn-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.btn-label {
    font-size: 1rem;
    font-weight: 700;
    text-transform: none;
    letter-spacing: 0.05em;
}

.btn-version {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    opacity: 0.7;
}

.btn-outline {
    background-color: transparent;
    color: white;
    border: 1px solid var(--color-border);
}

.btn-outline:hover {
    background-color: rgba(168, 85, 247, 0.1);
    border-color: var(--color-accent);
    color: var(--color-accent-bright);
}

.platform-support {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    font-size: 0.875rem;
    font-family: var(--font-mono);
    color: var(--color-text-muted);
}

/* ========================================
   チェンジログセクション
======================================== */
.changelog-section {
    padding: 8rem 0;
    background-color: var(--color-bg-secondary);
    text-align: center;
}

.changelog-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: left;
}

.loading-text {
    text-align: center;
    color: var(--color-text-muted);
    font-style: italic;
}

.changelog-item {
    padding: 2rem;
    margin-bottom: 1.5rem;
    background-color: var(--color-bg-card);
    border-left: 3px solid var(--color-accent);
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

.changelog-header {
    display: flex;
    justify-content: space-between;
    text-align: center;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.changelog-version {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--color-accent-bright);
}

.changelog-date {
    font-size: 0.875rem;
    font-family: var(--font-mono);
    color: var(--color-text-muted);
}

.changelog-changes {
    list-style: none;
    padding: 0;
}

.changelog-changes li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.changelog-changes li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

.changelog-details {
    margin-bottom: 1.5rem;
}

.changelog-summary {
    padding: 1.5rem 2rem;
    background-color: var(--color-bg-card);
    border-left: 3px solid rgba(168, 85, 247, 0.3);
    border-radius: 8px;
    backdrop-filter: blur(10px);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
    user-select: none;
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-secondary);
}

.changelog-summary:hover {
    border-left-color: var(--color-accent);
    background-color: rgba(20, 20, 28, 0.7);
    color: var(--color-text-primary);
}

.changelog-summary::-webkit-details-marker {
    display: none;
}

.changelog-details[open] .changelog-summary {
    border-left-color: var(--color-accent);
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    color: var(--color-text-primary);
}

.changelog-details[open] .changelog-item:first-of-type {
    padding-top: 1rem;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

.chevron-icon {
    color: var(--color-accent);
    transition: transform 0.3s ease;
}

.changelog-details[open] .chevron-icon {
    transform: rotate(180deg);
}

/* ========================================
   フッター
======================================== */
.footer {
    background-color: #000000;
    border-top: 1px solid rgba(128, 128, 128, 0.2);
    padding: 3rem 0;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    
    font-family: makinas4;
}

.footer-copyright {
    color: var(--color-text-muted);
    font-size: 0.75rem;
}

/* ========================================
   レスポンシブ対応
======================================== */
@media (max-width: 1024px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .stats-grid {
        margin: 0 auto;
    }
    
    .tech-content {
        flex-direction: column;
    }
    
    .nav-links {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .stripe-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-download,
    .btn-archive {
        width: 100%;
        max-width: 300px;
    }
}