/* ========================================
   Minpaku Lab. - Cozy & Creative Design
   ======================================== */

/* ========== リセット & ベース設定 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* カラーパレット */
    --color-cream: #f9f7f2;
    --color-charcoal: #333333;
    --color-terracotta: #e07a5f;
    --color-sage: #81b29a;
    --color-sand: #f2e9e4;
    --color-white: #ffffff;
    
    /* タイポグラフィ */
    --font-main: 'Noto Sans JP', sans-serif;
    --font-accent: 'Caveat', cursive;
    --font-hand: 'Patrick Hand', cursive;
    
    /* スペーシング */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 30px;
    --radius-xl: 50px;
    
    /* シャドウ */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-weight: 300;
    color: var(--color-charcoal);
    background-color: var(--color-cream);
    line-height: 1.8;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========== ナビゲーション ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(249, 247, 242, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: var(--spacing-xs) 0;
    box-shadow: var(--shadow-md);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 50px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo:hover img {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu a {
    font-weight: 400;
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-menu a:not(.cta-button)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-terracotta);
    transition: width 0.3s ease;
}

.nav-menu a:not(.cta-button):hover::after {
    width: 100%;
}

.cta-button {
    background: var(--color-terracotta);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-xl);
    font-weight: 500;
}

.cta-button:hover {
    background: var(--color-sage);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--color-charcoal);
    transition: all 0.3s ease;
}

/* ========== 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: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.65) saturate(1.1);
}

/* ヒーロー　Eyebrow テキスト */
.hero-eyebrow {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-sage);
    background: rgba(129, 178, 154, 0.15);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(129, 178, 154, 0.3);
}

.hero-decoration {
    position: absolute;
    top: 10%;
    right: 5%;
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.hero-content {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 900px;
    padding: var(--spacing-md);
}

.hero-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    color: var(--color-charcoal);
    letter-spacing: -0.02em;
}

.title-highlight {
    color: var(--color-terracotta);
    position: relative;
    display: inline-block;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.15rem);
    line-height: 2;
    margin-bottom: var(--spacing-xl);
    color: #555555;
    font-weight: 400;
}

.subtitle-emphasis {
    font-weight: 600;
    color: var(--color-sage);
    display: block;
    margin-top: var(--spacing-md);
    font-size: 1.05em;
}

/* CTAグループ */
.hero-cta-group {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: center;
}

.btn-secondary-outline {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: transparent;
    color: var(--color-charcoal);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-xl);
    font-size: 1rem;
    font-weight: 500;
    border: 2px solid var(--color-charcoal);
    transition: all 0.3s ease;
}

.btn-secondary-outline:hover {
    background: var(--color-charcoal);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary-outline i {
    font-size: 0.9em;
    transition: transform 0.3s ease;
}

.btn-secondary-outline:hover i {
    transform: translateY(3px);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-terracotta) 0%, #d66a54 100%);
    color: var(--color-white);
    padding: var(--spacing-md) calc(var(--spacing-lg) * 1.5);
    border-radius: var(--radius-xl);
    font-size: 1.05rem;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    box-shadow: 0 4px 20px rgba(224, 122, 95, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s ease;
}

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

.btn-primary:hover {
    background: linear-gradient(135deg, #d66a54 0%, var(--color-sage) 100%);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 30px rgba(224, 122, 95, 0.4);
}

.btn-primary i {
    transition: transform 0.3s ease;
}

.btn-primary:hover i {
    transform: translateX(5px);
}

.scroll-hint {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--color-white);
    font-size: 0.9rem;
    font-family: var(--font-accent);
    animation: bounce 2s infinite;
}

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

.scroll-arrow {
    font-size: 1.5rem;
    margin-top: var(--spacing-xs);
}

/* ========== セクション共通スタイル ========== */
section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.handwritten {
    display: block;
    font-family: var(--font-accent);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    color: var(--color-sage);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.title-main {
    display: block;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.01em;
}

/* ========== 民泊の楽しさセクション ========== */
.joy-section {
    background: var(--color-white);
}

.joy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.joy-card {
    background: var(--color-cream);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.4s ease;
    box-shadow: var(--shadow-sm);
}

.joy-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.joy-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.joy-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.joy-card:hover .joy-image img {
    transform: scale(1.1);
}

.joy-icon {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 60px;
    height: 60px;
    background: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--color-terracotta);
    box-shadow: var(--shadow-md);
}

.joy-content {
    padding: var(--spacing-lg);
}

.joy-content h3 {
    font-family: var(--font-accent);
    font-size: 2.5rem;
    color: var(--color-sage);
    margin-bottom: var(--spacing-xs);
}

.joy-subtitle {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    color: var(--color-charcoal);
}

.joy-description {
    font-size: 0.95rem;
    line-height: 1.9;
    color: var(--color-charcoal);
}

.joy-description strong {
    font-weight: 600;
    color: var(--color-sage);
    display: block;
    margin-top: var(--spacing-sm);
    font-size: 0.98em;
}

/* AOS Animation */
[data-aos] {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

/* ========== サポートセクション ========== */
.support-section {
    background: var(--color-sand);
}

.support-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.support-concern {
    display: inline-block;
    background: var(--color-white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-xl);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.support-concern i {
    color: var(--color-terracotta);
    margin-right: var(--spacing-xs);
}

.support-description {
    font-size: 1.15rem;
    margin-top: var(--spacing-md);
    line-height: 2;
    font-weight: 400;
}

.support-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-lg);
    align-items: start;
    margin-top: var(--spacing-xl);
}

.support-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    height: 100%;
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-cream);
}

.card-header i {
    font-size: 2rem;
}

.your-role .card-header i {
    color: var(--color-terracotta);
}

.lab-role .card-header i {
    color: var(--color-sage);
}

.card-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

.support-list {
    margin-bottom: var(--spacing-lg);
}

.support-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.support-list li:hover {
    background: var(--color-cream);
    transform: translateX(5px);
}

.support-list i {
    color: var(--color-sage);
    margin-top: 3px;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.role-image {
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-top: var(--spacing-md);
}

.role-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.support-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 60px;
}

.divider-icon {
    width: 60px;
    height: 60px;
    background: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--color-sage);
    box-shadow: var(--shadow-md);
}

.support-cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.support-message {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--color-charcoal);
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    display: inline-block;
    box-shadow: var(--shadow-sm);
}

/* ========== ギャラリーセクション ========== */
.gallery-section {
    background: var(--color-white);
}

.gallery-intro {
    text-align: center;
    font-size: 1.1rem;
    max-width: 750px;
    margin: 0 auto var(--spacing-xl);
    line-height: 2;
}

.gallery-intro strong {
    font-weight: 600;
    color: var(--color-terracotta);
    display: block;
    margin-top: var(--spacing-sm);
}

.gallery-carousel {
    position: relative;
    margin: var(--spacing-xl) 0;
}

.carousel-track-container {
    overflow: hidden;
    border-radius: var(--radius-md);
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease;
    gap: var(--spacing-md);
}

.gallery-item {
    min-width: 100%;
    height: 500px;
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: var(--spacing-lg);
    color: var(--color-white);
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.4s ease;
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
    opacity: 1;
}

.gallery-overlay h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.gallery-overlay p {
    font-size: 1.1rem;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-white);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    z-index: 10;
}

.carousel-btn:hover {
    background: var(--color-terracotta);
    color: var(--color-white);
    transform: translateY(-50%) scale(1.1);
}

.carousel-btn.prev {
    left: var(--spacing-md);
}

.carousel-btn.next {
    right: var(--spacing-md);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-sand);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-dot.active {
    background: var(--color-terracotta);
    width: 30px;
    border-radius: 10px;
}

/* ========== コンタクトセクション ========== */
.contact-section {
    background: var(--color-cream);
    position: relative;
    overflow: hidden;
}

.contact-decoration {
    position: absolute;
    bottom: -50px;
    left: -50px;
    opacity: 0.1;
    pointer-events: none;
}

.contact-content {
    position: relative;
    z-index: 1;
}

.contact-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
}

.contact-icon {
    font-size: 4rem;
    color: var(--color-terracotta);
    margin-bottom: var(--spacing-md);
}

.contact-description {
    font-size: 1.1rem;
    line-height: 2;
    margin-top: var(--spacing-md);
}

.contact-description strong {
    font-weight: 600;
    color: var(--color-terracotta);
    display: block;
    margin-top: var(--spacing-md);
    font-size: 1.05em;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
}

.contact-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all 0.4s ease;
}

.contact-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.contact-card-icon {
    width: 80px;
    height: 80px;
    background: var(--color-cream);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 2rem;
    color: var(--color-terracotta);
}

.contact-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.contact-card p {
    margin-bottom: var(--spacing-md);
    color: var(--color-charcoal);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--color-sand);
    color: var(--color-charcoal);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-xl);
    font-weight: 500;
    transition: all 0.3s ease;
    word-break: break-all;
}

.btn-secondary:hover {
    background: var(--color-sage);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.contact-note {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.contact-note p {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--color-white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-xl);
    font-size: 0.95rem;
    box-shadow: var(--shadow-sm);
}

.contact-note i {
    color: var(--color-sage);
}

/* ========== フッター ========== */
.footer {
    background: var(--color-charcoal);
    color: var(--color-cream);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-logo img {
    height: 60px;
    margin-bottom: var(--spacing-md);
    filter: brightness(0) invert(1);
}

.footer-tagline {
    font-size: 0.9rem;
    opacity: 0.8;
}

.footer-nav ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-nav a {
    opacity: 0.8;
    transition: all 0.3s ease;
}

.footer-nav a:hover {
    opacity: 1;
    color: var(--color-terracotta);
    padding-left: var(--spacing-xs);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    opacity: 0.8;
}

.footer-contact i {
    color: var(--color-terracotta);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(249, 247, 242, 0.2);
    font-size: 0.9rem;
    opacity: 0.6;
}

/* ========== レスポンシブデザイン ========== */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--color-cream);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--spacing-lg);
        transition: left 0.4s ease;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero-card {
        padding: var(--spacing-md);
    }
    
    .btn-primary {
        font-size: 1rem;
        padding: var(--spacing-md);
        justify-content: center;
    }
    
    .support-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .support-divider {
        padding-top: 0;
    }
    
    .divider-icon {
        transform: rotate(90deg);
    }
    
    .gallery-item {
        height: 400px;
    }
    
    .carousel-btn {
        width: 40px;
        height: 40px;
    }
    
    .carousel-btn.prev {
        left: var(--spacing-sm);
    }
    
    .carousel-btn.next {
        right: var(--spacing-sm);
    }
    
    .sp-only {
        display: inline;
    }
}

@media (min-width: 769px) {
    .sp-only {
        display: none;
    }
}

/* ========== ユーティリティクラス ========== */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

/* ========== アニメーション ========== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 1s ease-in;
}

/* ========== プリント用スタイル ========== */
@media print {
    .navbar,
    .hamburger,
    .scroll-hint,
    .carousel-btn,
    .carousel-dots {
        display: none;
    }
    
    body {
        background: white;
    }
}