/* ============================================
   MagicMoon - Luxury Style CSS
   ============================================ */

/* カスタムプロパティ（CSS変数） */
:root {
    --primary-gold: #c9a962;
    --primary-gold-light: #e5d4a1;
    --primary-gold-dark: #9e7e3e;
    --dark-bg: #1a1a1a;
    --darker-bg: #0d0d0d;
    --text-light: #ffffff;
    --text-gray: #b3b3b3;
    --text-dark: #333333;
    --accent-gradient: linear-gradient(135deg, #c9a962 0%, #e5d4a1 50%, #c9a962 100%);
    --dark-gradient: linear-gradient(180deg, #1a1a1a 0%, #0d0d0d 100%);
    --overlay-dark: rgba(0, 0, 0, 0.7);
    --shadow-gold: 0 4px 30px rgba(201, 169, 98, 0.3);
    --shadow-dark: 0 10px 40px rgba(0, 0, 0, 0.5);
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --font-size-base: 1rem; /* 16px */
}

/* リセットと基本スタイル */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: var(--font-size-base);
    line-height: 1.8;
    color: var(--text-dark);
    background-color: #fafafa;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

ul {
    list-style: none;
}

/* コンテナ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ============================================
   ヘッダー
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.85) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(201, 169, 98, 0.2);
    transition: var(--transition-smooth);
}

.header.scrolled {
    background: rgba(0, 0, 0, 0.98);
    box-shadow: var(--shadow-gold);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.logo a {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    font-weight: 600;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
    position: relative;
}

.logo a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: var(--transition-smooth);
}

.logo a:hover::after {
    transform: scaleX(1);
}

.nav-list {
    display: flex;
    gap: 2.5rem;
}

.nav-list a {
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 1px;
    position: relative;
    padding: 0.5rem 0;
}

.nav-list a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: var(--transition-smooth);
    transform: translateX(-50%);
}

.nav-list a:hover::before,
.nav-list a.active::before {
    width: 100%;
}

.nav-list a:hover,
.nav-list a.active {
    color: var(--primary-gold);
}

/* ハンバーガーメニュー */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 22px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--accent-gradient);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================================
   メインビジュアル（ヒーロー）
   ============================================ */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.4);
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.5) 0%,
        rgba(0, 0, 0, 0.3) 50%,
        rgba(0, 0, 0, 0.7) 100%
    );
}

.hero-content {
    text-align: center;
    z-index: 1;
    padding: 0 2rem;
    animation: fadeInUp 1.2s ease-out;
}

.hero-title {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 300;
    color: var(--text-light);
    letter-spacing: 8px;
    line-height: 1.6;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.hero-title::after {
    content: '';
    display: block;
    width: 100px;
    height: 2px;
    background: var(--accent-gradient);
    margin: 2rem auto 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   セクション共通スタイル
   ============================================ */
.section-title {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 500;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    letter-spacing: 4px;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 2px;
    background: var(--accent-gradient);
    margin: 1rem auto 0;
}

/* ============================================
   お知らせセクション
   ============================================ */
.news {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8f6f0 0%, #ffffff 100%);
}

.news-list {
    max-width: 900px;
    margin: 0 auto;
}

.news-item {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem 2rem;
    background: white;
    border-radius: 8px;
    margin-bottom: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition-smooth);
    border-left: 3px solid var(--primary-gold);
}

.news-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-gold);
}

.news-date {
    font-size: 0.85rem;
    color: var(--text-gray);
    font-weight: 500;
}

.news-category {
    font-size: 0.75rem;
    padding: 0.3rem 1rem;
    background: var(--accent-gradient);
    color: var(--dark-bg);
    border-radius: 20px;
    font-weight: 500;
}

.news-text {
    flex: 1;
    font-size: var(--font-size-base);
    color: var(--text-dark);
    min-width: 200px;
}

/* ============================================
   事業内容セクション
   ============================================ */
.business {
    padding: 8rem 0;
    background: var(--dark-gradient);
    position: relative;
    overflow: hidden;
}

.business::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="rgba(201,169,98,0.1)"/></svg>');
    background-size: 50px 50px;
    opacity: 0.5;
}

.business .section-title {
    color: var(--text-light);
}

.business-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    position: relative;
    z-index: 1;
}

.business-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(201, 169, 98, 0.2);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition-smooth);
    position: relative;
}

.business-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 0%, rgba(201, 169, 98, 0.1) 100%);
    opacity: 0;
    transition: var(--transition-smooth);
}

.business-item:hover {
    transform: translateY(-10px);
    border-color: var(--primary-gold);
    box-shadow: var(--shadow-gold);
}

.business-item:hover::before {
    opacity: 1;
}

.business-image {
    height: 220px;
    overflow: hidden;
}

.business-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.business-item:hover .business-image img {
    transform: scale(1.1);
}

.business-title {
    padding: 1.5rem;
    text-align: center;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-light);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* ============================================
   納入事例セクション
   ============================================ */
.case {
    padding: 8rem 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8f6f0 100%);
}

.case-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.case-image {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-dark);
}

.case-image::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    width: calc(100% + 20px);
    height: calc(100% + 20px);
    border: 2px solid var(--primary-gold);
    border-radius: 16px;
    z-index: -1;
    opacity: 0.5;
}

.case-image img {
    width: 100%;
    height: auto;
    transition: var(--transition-smooth);
}

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

.case-info {
    padding: 2rem 0;
}

.case-company {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 2rem;
    position: relative;
    padding-left: 1.5rem;
}

.case-company::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 2px;
}

.case-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2rem;
}

.case-table th,
.case-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(201, 169, 98, 0.2);
    font-size: var(--font-size-base);
}

.case-table th {
    width: 120px;
    color: var(--primary-gold-dark);
    font-weight: 600;
    vertical-align: top;
}

.case-table td {
    color: var(--text-dark);
}

.btn-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 2rem;
    background: transparent;
    border: 2px solid var(--primary-gold);
    color: var(--primary-gold-dark);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 2px;
    border-radius: 30px;
    transition: var(--transition-smooth);
}

.btn-more:hover {
    background: var(--accent-gradient);
    color: var(--dark-bg);
    border-color: transparent;
    transform: translateX(5px);
}

/* ============================================
   企業情報セクション
   ============================================ */
.company {
    padding: 8rem 0;
    background: var(--dark-gradient);
    position: relative;
}

.company::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(201, 169, 98, 0.05) 0%, transparent 70%);
}

.company .section-title {
    color: var(--text-light);
}

.company-table-wrapper {
    overflow-x: auto;
    margin-bottom: 4rem;
    position: relative;
    z-index: 1;
}

.company-table {
    width: 100%;
    min-width: 800px;
    border-collapse: collapse;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    overflow: hidden;
}

.company-table tr {
    border-bottom: 1px solid rgba(201, 169, 98, 0.15);
}

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

.company-table th,
.company-table td {
    padding: 1.5rem 2rem;
    text-align: left;
    font-size: var(--font-size-base);
}

.company-table th {
    width: 180px;
    background: rgba(201, 169, 98, 0.1);
    color: var(--primary-gold);
    font-weight: 500;
    vertical-align: top;
}

.company-table td {
    color: var(--text-light);
}

.map {
    position: relative;
    z-index: 1;
}

.map-title {
    font-size: 1.2rem;
    color: var(--primary-gold);
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
}

.map-embed {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-gold);
}

.map-embed iframe {
    display: block;
    filter: grayscale(20%) contrast(1.1);
}

/* ============================================
   お問い合わせセクション
   ============================================ */
.contact {
    padding: 8rem 0;
    background: linear-gradient(135deg, #f8f6f0 0%, #ffffff 100%);
}

.contact-form {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(201, 169, 98, 0.2);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.2rem;
    font-size: var(--font-size-base);
    font-family: inherit;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    background: #fafafa;
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-gold);
    background: white;
    box-shadow: 0 0 0 4px rgba(201, 169, 98, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.form-submit {
    text-align: center;
    margin-top: 2rem;
}

.btn-submit {
    display: inline-block;
    padding: 1rem 4rem;
    background: var(--accent-gradient);
    color: var(--dark-bg);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 2px;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-gold);
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 40px rgba(201, 169, 98, 0.5);
}

/* ============================================
   フッター
   ============================================ */
.footer {
    padding: 2rem 0;
    background: var(--darker-bg);
    text-align: center;
    border-top: 1px solid rgba(201, 169, 98, 0.2);
}

.copyright {
    font-size: 0.85rem;
    color: var(--text-gray);
    letter-spacing: 1px;
}

/* ============================================
   納入事例ページ（case.html）
   ============================================ */
.page-header {
    padding: 10rem 0 4rem;
    background: var(--dark-gradient);
    text-align: center;
}

.page-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 500;
    color: var(--text-light);
    letter-spacing: 6px;
    position: relative;
}

.page-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 2px;
    background: var(--accent-gradient);
    margin: 1.5rem auto 0;
}

.case-detail {
    padding: 6rem 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8f6f0 100%);
}

.case-detail-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    margin-bottom: 4rem;
}

.case-detail-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-dark);
    position: relative;
}

.case-detail-image::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    width: calc(100% + 20px);
    height: calc(100% + 20px);
    border: 2px solid var(--primary-gold);
    border-radius: 16px;
    z-index: -1;
    opacity: 0.5;
}

.case-detail-info {
    padding: 2rem 0;
}

.case-detail-company {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 2rem;
    padding-left: 1.5rem;
    position: relative;
}

.case-detail-company::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 2px;
}

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

.case-detail-table th,
.case-detail-table td {
    padding: 1.2rem;
    text-align: left;
    border-bottom: 1px solid rgba(201, 169, 98, 0.2);
    font-size: var(--font-size-base);
}

.case-detail-table th {
    width: 140px;
    color: var(--primary-gold-dark);
    font-weight: 600;
    vertical-align: top;
}

.case-description {
    max-width: 900px;
    margin: 0 auto;
    padding: 3rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
    border-left: 4px solid var(--primary-gold);
}

.case-description p {
    font-size: var(--font-size-base);
    line-height: 2;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.case-description p:last-child {
    margin-bottom: 0;
}

/* ギャラリー */
.gallery {
    padding: 6rem 0;
    background: var(--dark-gradient);
}

.gallery .section-title {
    color: var(--text-light);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.gallery-grid a {
    display: block;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    aspect-ratio: 4/3;
}

.gallery-grid a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 0%, rgba(201, 169, 98, 0.3) 100%);
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 1;
}

.gallery-grid a::after {
    content: '\f00e';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    font-size: 2rem;
    color: white;
    z-index: 2;
    transition: var(--transition-smooth);
}

.gallery-grid a:hover::before {
    opacity: 1;
}

.gallery-grid a:hover::after {
    transform: translate(-50%, -50%) scale(1);
}

.gallery-grid img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.gallery-grid a:hover img {
    transform: scale(1.1);
}

/* 戻るリンク */
.back-link {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f8f6f0 0%, #ffffff 100%);
    text-align: center;
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 2.5rem;
    background: transparent;
    border: 2px solid var(--primary-gold);
    color: var(--primary-gold-dark);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 1px;
    border-radius: 30px;
    transition: var(--transition-smooth);
}

.btn-back:hover {
    background: var(--accent-gradient);
    color: var(--dark-bg);
    border-color: transparent;
}

/* ============================================
   スクロールアニメーション
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ============================================
   レスポンシブデザイン
   ============================================ */

/* タブレット（800px以下）*/
@media screen and (max-width: 800px) {
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: linear-gradient(180deg, #1a1a1a 0%, #0d0d0d 100%);
        padding: 6rem 2rem 2rem;
        transition: var(--transition-smooth);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
    }

    .nav-list li {
        border-bottom: 1px solid rgba(201, 169, 98, 0.1);
    }

    .nav-list a {
        display: block;
        padding: 1.2rem 0;
        font-size: 1rem;
    }

    .hamburger {
        display: flex;
    }

    .case-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .case-detail-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* モバイル（600px以下）*/
@media screen and (max-width: 600px) {
    .container {
        padding: 0 1rem;
    }

    .hero {
        min-height: 500px;
    }

    .hero-title {
        letter-spacing: 4px;
    }

    .news-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.8rem;
        padding: 1.2rem;
    }

    .business-list {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .case-description {
        padding: 1.5rem;
    }
}

/* 企業情報テーブルのスクロール対応 */
.company-table-wrapper {
    -webkit-overflow-scrolling: touch;
}

.company-table-wrapper::-webkit-scrollbar {
    height: 8px;
}

.company-table-wrapper::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.company-table-wrapper::-webkit-scrollbar-thumb {
    background: var(--primary-gold);
    border-radius: 4px;
}

/* Lightboxカスタマイズ */
.lb-data .lb-caption {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 0.95rem;
    color: #ccc;
}

.lb-data .lb-number {
    font-family: 'Noto Sans JP', sans-serif;
    color: #999;
}