@charset "UTF-8";

/* ====================================
   変数定義（コーポレートカラー：オレンジ）
   ==================================== */
:root {
    --font-main: "Noto Sans JP", sans-serif;
    --color-orange: #FF6600;    /* ロゴに合わせた燃えるようなオレンジ */
    --color-black: #111111;     /* メイン背景：ほぼ黒 */
    --color-dark-gray: #1f1f1f; /* コンテンツ背景：濃いグレー */
    --color-light: #f4f4f4;     /* 文字色：白に近いグレー */
    --color-text-sub: #aaaaaa;  /* サブテキスト：グレー */
}

/* ====================================
   リセット & 基本設定
   ==================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    color: var(--color-light);
    background-color: var(--color-black); /* 全体を黒ベースで引き締める */
    line-height: 1.8;
    letter-spacing: 0.05em;
    -webkit-font-smoothing: antialiased;
}

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

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

ul {
    list-style: none;
}

/* ====================================
   共通クラス
   ==================================== */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 120px 0;
}

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

/* 見出しスタイル */
.section-label {
    display: block;
    color: var(--color-orange);
    font-weight: 900;
    font-size: 0.9rem;
    letter-spacing: 0.2em;
    margin-bottom: 15px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
    line-height: 1.3;
}

/* ====================================
   ヘッダー
   ==================================== */
.header {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    background: rgba(17, 17, 17, 0.9); /* 黒の半透明 */
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    height: 80px; /* ロゴが入るので少しゆとりを持たせる */
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
}

/* ロゴ設定（画像対応版） */
.logo {
    display: flex;
    align-items: center;
}

.logo a {
    display: block;
    line-height: 0;
}

.logo img {
    height: 50px; /* PCでのロゴ高さ */
    width: auto;
    object-fit: contain;
}

/* グローバルナビゲーション */
.global-nav ul {
    display: flex;
    gap: 40px;
    align-items: center;
}

.global-nav a {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
}

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

/* お問い合わせボタン */
.btn-nav {
    border: 1px solid var(--color-orange);
    color: var(--color-orange) !important;
    padding: 8px 24px;
    border-radius: 50px;
    transition: 0.3s;
}

.btn-nav:hover {
    background: var(--color-orange);
    color: #fff !important;
}

/* スマホ対応 */
@media (max-width: 768px) {
    .global-nav { display: none; }
    .header-inner { justify-content: center; height: 60px; }
    .logo img { height: 40px; } /* スマホではロゴを少し小さく */
}

/* ====================================
   ヒーロー (FV)
   ==================================== */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    /* デジタル・未来的感のある背景画像 */
    background: url('https://images.unsplash.com/photo-1535136029863-4a3813f4124e?q=80&w=2070&auto=format&fit=crop') no-repeat center/cover;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.7); /* 画像を暗く落とす */
    z-index: -1;
}

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

.hero-sub {
    font-size: 1rem;
    letter-spacing: 0.2em;
    color: var(--color-orange);
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-catch {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 30px;
    line-height: 1.2;
}

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

.hero-desc {
    font-size: 1.1rem;
    color: #ccc;
    font-weight: 500;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    color: #666;
}

.hero-scroll::after {
    content: "";
    display: block;
    width: 1px;
    height: 40px;
    background: var(--color-orange);
    margin: 10px auto 0;
}

@media (max-width: 768px) {
    .hero-catch { font-size: 2.2rem; }
}

/* ====================================
   About
   ==================================== */
.about-content {
    display: flex;
    gap: 60px;
    align-items: center;
    flex-direction: row-reverse; /* 画像を右、文字を左に */
}

.about-text { flex: 1; }
.about-img { flex: 1; }

.about-img img {
    width: 100%;
    border-radius: 4px;
    filter: grayscale(100%); /* モノクロにしてクールに */
    transition: 0.5s;
}

.about-img:hover img {
    filter: grayscale(0%); /* ホバーでカラーに（情熱） */
}

@media (max-width: 768px) {
    .about-content { flex-direction: column; }
}

/* ====================================
   Service
   ==================================== */
.service { background: var(--color-dark-gray); }

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.service-card {
    background: var(--color-black);
    padding: 40px;
    border: 1px solid #333;
    transition: 0.3s;
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    border-color: var(--color-orange);
    transform: translateY(-10px);
}

.service-num {
    font-size: 3rem;
    font-weight: 900;
    color: #222;
    position: absolute;
    top: 10px; right: 20px;
    line-height: 1;
}

.service-card:hover .service-num {
    color: var(--color-orange);
    opacity: 0.2;
}

.service-card h4 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    font-weight: 700;
    position: relative;
    padding-top: 10px;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--color-text-sub);
}

/* ====================================
   Company
   ==================================== */
.company-box {
    border: 1px solid #333;
    padding: 40px;
}

.company-row {
    display: flex;
    border-bottom: 1px solid #333;
    padding: 20px 0;
}

.company-row:last-child { border-bottom: none; }

.company-row dt {
    width: 200px;
    font-weight: 700;
    color: var(--color-orange);
}

.company-row dd { flex: 1; }

.link-external {
    color: #fff;
    text-decoration: underline;
    transition: 0.3s;
}

.link-external:hover { color: var(--color-orange); }

.arrow { font-size: 0.8em; margin-left: 5px; }

@media (max-width: 768px) {
    .company-row { flex-direction: column; }
    .company-row dt { margin-bottom: 5px; }
}

/* ====================================
   Contact
   ==================================== */
.contact {
    background: linear-gradient(rgba(0,0,0,0.8), rgba(0,0,0,0.8)), 
                url('https://images.unsplash.com/photo-1511512578047-dfb367046420?q=80&w=2071&auto=format&fit=crop') center/cover;
}

.contact-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #fff;
}

.contact-desc {
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.btn-primary {
    display: inline-block;
    background: var(--color-orange);
    color: #fff;
    padding: 16px 60px;
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 2px;
    transition: 0.3s;
}

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

/* ====================================
   Footer
   ==================================== */
.footer {
    background: #000;
    color: #444;
    padding: 40px 0;
    text-align: center;
    font-size: 0.8rem;
    border-top: 1px solid #222;
}

.footer-logo img {
    height: 40px; /* フッターロゴのサイズ */
    width: auto;
    display: inline-block;
    margin-bottom: 15px;
}