:root {
    --primary: #ff4500;
    /* Vivid Orange */
    --black: #111;
    --dark-grey: #222;
    --light-grey: #eee;
    --white: #fff;
    --font-heading: 'Chakra Petch', sans-serif;
    --font-body: 'Noto Sans JP', sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--black);
    color: var(--white);
    font-family: var(--font-body);
    margin: 0;
    line-height: 1.6;
}

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

/* Header */
.header {
    background: rgba(0, 0, 0, 0.9);
    padding: 15px 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 2px solid var(--primary);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo img {
    height: 50px;
}

.logo-text {
    display: flex;
    flex-direction: column;
    font-family: var(--font-heading);
}

.logo-text .main {
    font-weight: bold;
    font-size: 1.2rem;
    letter-spacing: 1px;
    color: var(--white);
}

.logo-text .sub {
    font-size: 0.7rem;
    color: var(--primary);
    letter-spacing: 2px;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav a {
    text-decoration: none;
    color: var(--white);
    font-family: var(--font-heading);
    font-weight: bold;
    transition: color 0.3s;
}

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

.btn {
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
    text-align: center;
    font-family: var(--font-heading);
    font-weight: bold;
}

.btn-orange {
    padding: 8px 25px;
    background: var(--primary);
    color: var(--white);
    border: 1px solid var(--primary);
    transform: skewX(-10deg);
}

.btn-orange:hover {
    background: transparent;
    color: var(--primary);
}

.btn-line-block {
    background-color: #06C755;
    color: #fff;
    padding: 20px 0;
    width: 100%;
    font-size: 1.5rem;
    display: block;
    border: 1px solid #06C755;
    letter-spacing: 2px;
}

.btn-line-block:hover {
    background: transparent;
    color: #06C755;
}

/* Hero */
.hero {
    height: 100vh;
    min-height: 600px;
    background-image: url('assets/hero.png');
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    margin-top: 80px;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.4) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.hero-bg-text {
    position: absolute;
    font-size: 10rem;
    color: rgba(255, 255, 255, 0.05);
    font-family: var(--font-heading);
    top: -80px;
    left: -20px;
    z-index: -1;
    white-space: nowrap;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
    font-family: var(--font-heading);
    text-transform: uppercase;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 40px;
    color: #ccc;
}

.hero-metrics {
    display: flex;
    gap: 40px;
}

.metric {
    display: flex;
    flex-direction: column;
}

.metric .num {
    font-size: 3rem;
    color: var(--primary);
    font-family: var(--font-heading);
    font-weight: bold;
    line-height: 1;
}

.metric .label {
    font-size: 0.9rem;
    color: #888;
}

/* Sections */
.section {
    padding: 100px 0;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 60px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    display: block;
    width: 50%;
    height: 5px;
    background: var(--primary);
    margin-top: 10px;
}

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

.text-orange {
    color: var(--primary);
}

.mt-20 {
    margin-top: 20px;
}

/* Service */
.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border: 1px solid var(--dark-grey);
}

.service-item {
    border: 1px solid var(--dark-grey);
    padding: 40px;
    transition: background 0.3s;
}

.service-item:hover {
    background: var(--dark-grey);
}

.service-item .num {
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.1);
    font-family: var(--font-heading);
    font-weight: bold;
}

.service-item h3 {
    color: var(--primary);
    font-size: 1.3rem;
    margin-bottom: 15px;
}

/* Area */
.bg-dark {
    background: #080808;
}

.map-concept {
    border: 1px dashed var(--primary);
    height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    color: var(--primary);
    background: radial-gradient(circle, #111 0%, #000 100%);
    position: relative;
    overflow: hidden;
}

.radar-scan {
    font-family: var(--font-heading);
    margin-top: 20px;
    animation: blink 1s infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

.area-desc {
    margin-top: 30px;
    color: #888;
}

/* Fee */
.fee-cards {
    display: flex;
    justify-content: center;
    gap: 30px;
    align-items: center;
    flex-wrap: wrap;
}

.fee-card {
    background: var(--dark-grey);
    padding: 30px;
    width: 280px;
    text-align: center;
    border-top: 3px solid transparent;
}

.fee-card.featured {
    background: #252525;
    padding: 50px 30px;
    border-top: 3px solid var(--primary);
    transform: scale(1.05);
}

.fee-card h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: #888;
}

.fee-card.featured h3 {
    color: var(--white);
}

.fee-card .price {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--white);
}

.fee-card.featured .price {
    font-size: 2rem;
    color: var(--primary);
}

/* Contact */
.contact-section {
    background-image: linear-gradient(45deg, #111 25%, #151515 25%, #151515 50%, #111 50%, #111 75%, #151515 75%, #151515 100%);
    background-size: 20px 20px;
}

.contact-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--black);
    border: 1px solid var(--primary);
    padding: 50px;
}

.contact-info p {
    font-size: 1.2rem;
    margin-bottom: 10px;
    font-family: var(--font-heading);
}

.action-area {
    width: 40%;
}

/* Footer */
.footer {
    padding: 30px 0;
    background: #000;
    text-align: center;
    border-top: 1px solid var(--dark-grey);
    color: #555;
    font-family: var(--font-heading);
}

/* Responsive */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
    }

    .nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
        margin-top: 15px;
        padding: 0;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .service-grid {
        grid-template-columns: 1fr;
    }

    .fee-cards {
        flex-direction: column;
    }

    .contact-box {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }

    .action-area {
        width: 100%;
    }
}