:root {
    --primary-color: #2e5a27; /* Yanbaru green deep */
    --primary-light: #508643;
    --accent-color: #c98835; /* Gold/wood accent for framing */
    --text-color: #333333;
    --text-light: #666666;
    --bg-color: #fcfcfc;
    --bg-light: #ffffff;
    --shadow-small: 0 4px 10px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 10px 30px rgba(46, 90, 39, 0.1);
    --shadow-large: 0 20px 40px rgba(0, 0, 0, 0.15);
    --font-sans: 'Noto Sans JP', sans-serif;
    --font-serif: 'Noto Serif JP', serif;
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.4);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.7;
    background-image: url('img/bg.png'); /* Yanbaru watercolor */
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
}

/* Base text */
h1, h2, h3, h4, h5, h6, .serif {
    font-family: var(--font-serif);
}

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Background overlay to make text readable */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(255, 255, 255, 0.85);
    z-index: -1;
}

/* Header */
header {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-small);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    flex-direction: column;
    z-index: 1001;
    position: relative;
}

.logo-sub {
    font-size: 0.8rem;
    font-family: var(--font-sans);
    color: var(--text-light);
}

.hamburger {
    display: none;
}

.nav-links {
    display: flex;
    gap: 25px;
    align-items: center;
}

.nav-links a {
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
}

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

.btn-cta-small {
    background: var(--accent-color);
    color: #fff !important;
    padding: 8px 20px;
    border-radius: 30px;
    box-shadow: 0 4px 10px rgba(201, 136, 53, 0.3);
}

.btn-cta-small:hover {
    background: #b57a30;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(201, 136, 53, 0.4);
}

/* Hero Section */
.hero {
    position: relative;
    padding-top: 130px;
    padding-bottom: 60px;
    min-height: 80vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 2;
    gap: 40px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 2.8rem;
    line-height: 1.3;
    margin-bottom: 25px;
    color: var(--primary-color);
    text-shadow: 0 2px 4px rgba(255,255,255,0.8);
}

.hero-content h1 span {
    display: block;
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-bottom: 10px;
    font-family: var(--font-sans);
    font-weight: 700;
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 35px;
    color: #333;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.6);
    padding: 15px;
    border-radius: 8px;
    backdrop-filter: blur(5px);
}

.btn-cta {
    display: inline-block;
    background: var(--primary-color);
    color: #fff;
    padding: 16px 40px;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 40px;
    box-shadow: 0 10px 20px rgba(46, 90, 39, 0.25);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.btn-cta:hover {
    background: var(--primary-light);
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(46, 90, 39, 0.35);
}

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

.hero-character img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 20px 30px rgba(0,0,0,0.15));
    border-radius: 20px;
}

/* Sections Global */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--accent-color);
    margin: 15px auto 0;
    border-radius: 2px;
}

/* Problems Grid */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
}

.problem-card {
    background: var(--glass-bg);
    padding: 35px 25px;
    border-radius: 12px;
    box-shadow: var(--shadow-medium);
    text-align: center;
    border-top: 5px solid var(--primary-light);
    transition: transform 0.3s ease;
    backdrop-filter: blur(10px);
}

.problem-card:hover {
    transform: translateY(-5px);
}

.problem-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.problem-card h3 {
    font-size: 1.15rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.problem-card p {
    font-size: 0.95rem;
    color: var(--text-color);
    text-align: left;
}

/* Features Section */
.features {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(5px);
}

.feature-row {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-bottom: 80px;
    background: var(--glass-bg);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-medium);
}

.feature-row.flex-reverse {
    flex-direction: row-reverse;
}

.feature-img {
    flex: 1;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-large);
}

.feature-img img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

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

.image-label {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background-color: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 0.75rem;
    padding: 3px 8px;
    border-radius: 4px;
    pointer-events: none;
    z-index: 10;
}

.feature-content {
    flex: 1;
}

.feature-content h3 {
    font-size: 1.6rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    line-height: 1.4;
}

.feature-content p {
    margin-bottom: 20px;
    text-align: left;
}

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

.check-list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 12px;
    font-weight: 500;
}

.check-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.2rem;
}

/* Decorative Box inside Feature 3 */
.decorative-box {
    background: linear-gradient(135deg, var(--primary-color), #406f36);
    padding: 60px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    max-width: 800px;
    margin: 0 auto 40px;
}

.decorative-box h4 {
    color: #fff;
    font-size: 1.8rem;
    position: relative;
    z-index: 2;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.overlay-pattern {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: repeating-linear-gradient(45deg, rgba(255,255,255,0.05) 0px, rgba(255,255,255,0.05) 2px, transparent 2px, transparent 10px);
}

.feature-row-full {
    flex-direction: column;
}

.feature-icons-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.feature-icon-card {
    background: rgba(255,255,255,0.8);
    padding: 30px 20px;
    border-radius: 8px;
    box-shadow: var(--shadow-small);
    border: 1px solid rgba(0,0,0,0.05);
}

.sym-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.feature-icon-card h4 {
    font-size: 1rem;
    color: var(--primary-color);
    line-height: 1.4;
}

/* Flow Section */
.step-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    position: relative;
}

.step {
    background: var(--glass-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-medium);
    text-align: center;
    position: relative;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: #fff;
    font-size: 1.2rem;
    font-weight: bold;
    font-family: var(--font-serif);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin: 0 auto 20px;
    box-shadow: 0 5px 15px rgba(46, 90, 39, 0.3);
}

.step h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.step p {
    font-size: 0.95rem;
    color: var(--text-color);
    text-align: left;
}

/* Store Info */
.store-inner {
    display: flex;
    gap: 40px;
    align-items: stretch;
    background: var(--glass-bg);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-medium);
}

.store-details {
    flex: 1;
}

.store-message {
    font-size: 1.05rem;
    margin-bottom: 25px;
}

.store-table {
    width: 100%;
    border-collapse: collapse;
}

.store-table th, .store-table td {
    padding: 15px;
    border-bottom: 1px solid #eee;
    text-align: left;
}

.store-table th {
    width: 30%;
    color: var(--primary-color);
    font-weight: 500;
}

.store-visuals {
    flex: 1;
    display: flex;
}

/* CTA Bottom */
.cta-bottom {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    text-align: center;
    color: #fff;
    padding: 100px 20px;
}

.cta-bottom h2 {
    color: #fff;
    margin-bottom: 20px;
}

.cta-bottom p {
    margin-bottom: 40px;
    font-size: 1.1rem;
}

/* Footer */
footer {
    background: #112211;
    color: #888;
    text-align: center;
    padding: 30px 20px;
    font-size: 0.9rem;
}

/* Animations */
.fade-in-section {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.8s forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in-bottom {
    animation: slideIn 1s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
}

@keyframes slideIn {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Responsive */
@media (max-width: 1024px) {
    .header-inner {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 15px 20px;
    }
    .logo-main {
        display: none;
    }
    .logo-sub {
        font-size: 1.15rem;
        color: var(--primary-color);
        font-family: var(--font-serif);
        font-weight: bold;
    }
    
    .hamburger {
        display: flex;
        flex-direction: column;
        gap: 5px;
        background: none;
        border: none;
        cursor: pointer;
        z-index: 1001;
        padding: 5px;
    }
    
    .hamburger span {
        display: block;
        width: 25px;
        height: 3px;
        background: var(--primary-color);
        transition: all 0.3s;
        border-radius: 3px;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 250px;
        height: 100vh;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(15px);
        padding-top: 80px;
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
        transition: right 0.3s ease;
        justify-content: flex-start;
        z-index: 1000;
        align-items: center;
        gap: 20px;
        display: flex;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .hero {
        padding-top: 120px;
    }
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    .hero-content {
        margin-bottom: 50px;
    }
    .hero-content h1 {
        font-size: 2.2rem;
    }
    .feature-row, .feature-row.flex-reverse, .store-inner {
        flex-direction: column;
        padding: 20px;
    }
    .feature-icons-grid {
        grid-template-columns: 1fr;
    }
}

.note-red {
    color: #d32f2f;
    background-color: rgba(211, 47, 47, 0.05);
    padding: 10px;
    border-radius: 5px;
    font-weight: bold;
    display: inline-block;
    margin-top: 10px;
    font-size: 0.9rem;
    line-height: 1.5;
}

.cta-tel-fax {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 30px auto 40px;
    font-size: 1.5rem;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.15);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(5px);
    max-width: 800px;
}

.cta-tel-fax span {
    display: flex;
    align-items: center;
    gap: 10px;
}

@media (max-width: 768px) {
    .cta-tel-fax {
        flex-direction: column;
        gap: 15px;
        font-size: 1.2rem;
        padding: 20px;
    }
}
