@charset "UTF-8";

/* --- 変数設定 --- */
:root {
    --bg-color: #020202; /* ほぼ真っ黒だが、光が映える色 */
    --card-bg: rgba(20, 20, 20, 0.7);
    --text-color: #ffffff;
    --sub-text: #cccccc;
    --accent-color: #d4af37;
    --border-color: #333333;
    --font-main: "Noto Serif JP", serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.8;
    letter-spacing: 0.05em;
    font-weight: 300;
    position: relative;
    overflow-x: hidden; /* 横スクロール防止 */
}

/* --- 背景用Canvas --- */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
    /* キャンバス自体の透過度調整等は不要 */
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.section-padding {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
    font-weight: 500;
    letter-spacing: 0.1em;
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 1px;
    background-color: var(--accent-color);
}

/* --- アニメーション用クラス --- */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s ease, transform 1s ease;
}

.fade-in-up.active {
    opacity: 1;
    transform: translateY(0);
}

/* --- ヘッダー --- */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 40px;
    background-color: rgba(2, 2, 2, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    cursor: pointer;
}

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

#header nav ul {
    display: flex;
    gap: 30px;
}

#header nav a {
    font-size: 0.9rem;
    color: var(--sub-text);
}

#header nav a:hover,
#header nav a.nav-contact {
    color: var(--accent-color);
}

/* --- ハンバーガーメニュー --- */
.hamburger {
    display: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-color);
    position: absolute;
    transition: 0.3s;
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.hamburger span:nth-child(3) { bottom: 0; }

.hamburger.active span:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
    opacity: 0;
}
.hamburger.active span:nth-child(3) {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
}

/* --- ヒーローセクション --- */
#hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent; /* Canvasを表示 */
    text-align: center;
    position: relative;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    font-weight: 500;
    letter-spacing: 0.2em;
    /* 文字が見えにくくならないようにシャドウ強化 */
    text-shadow: 0 0 20px rgba(0,0,0,0.8), 0 0 5px rgba(255,255,255,0.5);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--sub-text);
    text-shadow: 0 0 10px rgba(0,0,0,0.8);
}

/* --- ABOUT US --- */
.about-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about-content h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    font-weight: 500;
}

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

.service-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    transition: 0.4s;
    backdrop-filter: blur(5px);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.2);
}

.img-box {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.img-box img {
    object-fit: cover;
    height: 100%;
    transition: 0.4s;
}

.service-card:hover .img-box img {
    transform: scale(1.05);
}

.text-box {
    padding: 30px;
}

.text-box h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--accent-color);
}

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

/* --- PROFILE --- */
.profile-wrapper {
    display: flex;
    justify-content: center;
}

.profile-table {
    width: 100%;
    max-width: 800px;
    border-collapse: collapse;
}

.profile-table th,
.profile-table td {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
}

.profile-table th {
    width: 30%;
    color: var(--sub-text);
    font-weight: normal;
}

/* --- RECRUIT --- */
.recruit-box {
    text-align: center;
    background-color: var(--card-bg);
    padding: 60px 40px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(5px);
}

.recruit-box h3 {
    margin-bottom: 30px;
    font-size: 1.5rem;
}

.recruit-text {
    margin-bottom: 40px;
    color: var(--sub-text);
}

.btn {
    display: inline-block;
    padding: 15px 40px;
    border: 1px solid var(--text-color);
    color: var(--text-color);
    transition: 0.3s;
}

.btn:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.5);
}

/* --- CONTACT --- */
.contact-desc {
    text-align: center;
    margin-bottom: 40px;
    color: var(--sub-text);
}

.contact-form {
    max-width: 700px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-size: 0.9rem;
    color: var(--sub-text);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background-color: rgba(0,0,0,0.3);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-family: var(--font-main);
    transition: 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background-color: rgba(0,0,0,0.5);
}

.submit-btn {
    display: block;
    width: 100%;
    padding: 15px;
    background-color: var(--accent-color);
    color: #000;
    border: none;
    font-family: var(--font-main);
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

.submit-btn:hover {
    background-color: #fff;
}

/* --- FOOTER --- */
footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: #555;
    background-color: var(--bg-color);
    position: relative;
    z-index: 2;
}

/* --- レスポンシブ対応 --- */
@media (max-width: 768px) {
    .section-title { font-size: 2rem; }
    .hero-content h1 { font-size: 2.5rem; }
    #header { padding: 0 20px; }
    .hamburger { display: block; }
    #header nav {
        position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
        background-color: var(--bg-color); display: flex; justify-content: center;
        align-items: center; flex-direction: column; opacity: 0; visibility: hidden;
        transition: 0.3s ease; z-index: 1000;
    }
    #header nav.active { opacity: 1; visibility: visible; }
    #header nav ul { flex-direction: column; text-align: center; gap: 40px; }
    #header nav a { font-size: 1.2rem; display: block; }
    .profile-table th, .profile-table td { display: block; width: 100%; border: none; }
    .profile-table th { padding-bottom: 5px; color: var(--accent-color); }
    .profile-table td { padding-top: 0; padding-bottom: 30px; border-bottom: 1px solid var(--border-color); }
}