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

:root {
    /* 和風カラーパレット */
    --primary-color: #2c2c2c;        /* 墨色 */
    --secondary-color: #a67c52;       /* 琥珀色 */
    --accent-color: #c89f6f;          /* 金茶 */
    --text-color: #333333;
    --text-light: #666666;
    --bg-color: #fafaf8;              /* 生成り */
    --white: #ffffff;
    --border-color: #d4cfc4;
    
    /* フォント */
    --font-sans: 'Noto Sans JP', sans-serif;
    --font-serif: 'Noto Serif JP', serif;
    
    /* スペーシング */
    --section-padding: 120px;
    --container-width: 1200px;
    
    /* アニメーション */
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.8;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
}

/* ===================================
   ヘッダー
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(250, 250, 248, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.header-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo a {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: var(--primary-color);
}

.logo-main {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--secondary-color);
}

.logo-sub {
    font-size: 11px;
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--text-light);
    margin-top: -4px;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.05em;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link-contact {
    padding: 10px 24px;
    border: 1px solid var(--secondary-color);
    color: var(--secondary-color);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-link-contact::after {
    display: none;
}

.nav-link-contact:hover {
    background-color: var(--secondary-color);
    color: var(--white);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

/* モバイルメニュー */
.mobile-menu {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--bg-color);
    transform: translateX(-100%);
    transition: var(--transition);
    z-index: 999;
    overflow-y: auto;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu-list {
    list-style: none;
    padding: 40px;
}

.mobile-menu-list li {
    border-bottom: 1px solid var(--border-color);
}

.mobile-menu-link {
    display: block;
    padding: 20px 0;
    text-decoration: none;
    color: var(--text-color);
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.05em;
    transition: var(--transition);
}

.mobile-menu-link:hover {
    color: var(--secondary-color);
    padding-left: 10px;
}

/* ===================================
   ヒーローセクション
   =================================== */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #fafaf8 0%, #f5f3ed 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(166, 124, 82, 0.08) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.3;
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.hero-title-main {
    font-family: var(--font-serif);
    font-size: 64px;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 0.08em;
    line-height: 1.4;
    opacity: 0;
    animation: fadeInUp 1s ease-out forwards;
}

.hero-title-main:nth-child(1) {
    animation-delay: 0.2s;
}

.hero-title-main:nth-child(2) {
    animation-delay: 0.4s;
}

.hero-title-main:nth-child(3) {
    animation-delay: 0.6s;
}

.hero-title-sub {
    font-family: var(--font-sans);
    font-size: 18px;
    font-weight: 400;
    color: var(--text-light);
    letter-spacing: 0.05em;
    line-height: 1.8;
    margin-top: 20px;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.8s forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-line {
    width: 60px;
    height: 3px;
    background-color: var(--secondary-color);
    margin: 40px auto 0;
    opacity: 0;
    animation: fadeInUp 1s ease-out 1s forwards;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.8s forwards;
}

.scroll-indicator span {
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--text-light);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background-color: var(--text-light);
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0%, 100% {
        transform: translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateY(15px);
        opacity: 0.3;
    }
}

/* ===================================
   セクション共通
   =================================== */
section {
    padding: var(--section-padding) 0;
}

.section-header {
    margin-bottom: 80px;
    text-align: center;
}

.section-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.section-title-en {
    font-family: var(--font-serif);
    font-size: 48px;
    font-weight: 700;
    color: var(--secondary-color);
    letter-spacing: 0.1em;
}

.section-title-ja {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-light);
    letter-spacing: 0.15em;
}

/* ===================================
   ビジョンセクション
   =================================== */
.vision {
    background-color: var(--white);
}

.vision-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.vision-text {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.vision-statement {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 600;
    line-height: 1.8;
    color: var(--primary-color);
    letter-spacing: 0.05em;
}

.vision-description {
    font-size: 16px;
    line-height: 2;
    color: var(--text-light);
}

.vision-image-box {
    width: 100%;
    height: 500px;
    background: linear-gradient(135deg, rgba(166, 124, 82, 0.1) 0%, rgba(200, 159, 111, 0.1) 100%);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.vision-image-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.vision-image-box::after {
    content: '';
    position: absolute;
    top: 20px;
    right: 20px;
    width: 100%;
    height: 100%;
    border: 1px solid var(--secondary-color);
    z-index: -1;
}

/* ===================================
   事業内容セクション
   =================================== */
.business {
    background-color: var(--bg-color);
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.business-card {
    background-color: var(--white);
    padding: 50px 40px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.business-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

.business-card:hover::before {
    width: 100%;
}

.business-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.business-card-number {
    font-family: var(--font-serif);
    font-size: 14px;
    color: var(--secondary-color);
    margin-bottom: 20px;
    letter-spacing: 0.1em;
}

.business-card-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
    letter-spacing: 0.05em;
}

.business-card-subtitle {
    font-size: 16px;
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 15px;
    letter-spacing: 0.05em;
    font-style: italic;
}

.business-card-description {
    font-size: 14px;
    line-height: 1.9;
    color: var(--text-light);
}

/* ===================================
   実績セクション
   =================================== */
.results {
    background-color: var(--white);
}

.results-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
}

.results-stats {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

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

.stat-number {
    font-family: var(--font-serif);
    font-size: 56px;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
    letter-spacing: 0.05em;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.news-item {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.news-item:last-child {
    border-bottom: none;
}

.news-item:hover {
    padding-left: 10px;
}

.news-date {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
}

.news-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.news-category {
    display: inline-block;
    padding: 4px 12px;
    background-color: var(--secondary-color);
    color: var(--white);
    font-size: 11px;
    letter-spacing: 0.05em;
    width: fit-content;
}

.news-text {
    font-size: 15px;
    color: var(--text-color);
}

/* ===================================
   パートナー企業セクション
   =================================== */
.partners {
    background-color: var(--bg-color);
    padding: 100px 0;
}

.partners-intro {
    text-align: center;
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 60px;
    line-height: 1.8;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.partner-card {
    background-color: var(--white);
    padding: 40px 20px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.partner-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    background-color: rgba(166, 124, 82, 0.05);
    transition: var(--transition);
}

.partner-card:hover::before {
    height: 100%;
}

.partner-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border-color: var(--secondary-color);
}

.partner-logo {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    letter-spacing: 0.05em;
    position: relative;
    z-index: 1;
}

/* ===================================
   会社概要セクション
   =================================== */
.company {
    background-color: var(--white);
}

.company-table {
    width: 100%;
    background-color: var(--white);
    border: 1px solid var(--border-color);
}

.company-table tr {
    border-bottom: 1px solid var(--border-color);
}

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

.company-table th {
    width: 200px;
    padding: 30px;
    text-align: left;
    font-weight: 700;
    color: var(--primary-color);
    background-color: rgba(166, 124, 82, 0.05);
    font-size: 15px;
    letter-spacing: 0.05em;
}

.company-table td {
    padding: 30px;
    color: var(--text-color);
    font-size: 15px;
    line-height: 1.9;
}

/* ===================================
   採用情報セクション
   =================================== */
.recruit {
    background-color: var(--white);
}

.recruit-content {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.recruit-message {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.recruit-title {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 30px;
    letter-spacing: 0.05em;
}

.recruit-text {
    font-size: 16px;
    line-height: 2;
    color: var(--text-light);
}

.recruit-positions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.position-card {
    background-color: var(--bg-color);
    padding: 40px 30px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.position-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.position-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
    letter-spacing: 0.05em;
}

.position-description {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 20px;
}

.position-requirements {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.position-requirements li {
    font-size: 13px;
    color: var(--text-color);
    padding-left: 20px;
    position: relative;
}

.position-requirements li::before {
    content: '・';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: 700;
}

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

/* ===================================
   お問い合わせセクション
   =================================== */
.contact {
    background-color: var(--bg-color);
}

.contact-intro {
    text-align: center;
    font-size: 15px;
    line-height: 2;
    color: var(--text-light);
    margin-bottom: 60px;
}

.contact-form {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--white);
    padding: 60px;
    border: 1px solid var(--border-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form-group:not(.form-row .form-group) {
    margin-bottom: 30px;
}

.form-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    letter-spacing: 0.05em;
}

.required {
    color: #c44;
    font-size: 12px;
    margin-left: 8px;
}

.form-input,
.form-select,
.form-textarea {
    padding: 15px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-color);
    font-size: 15px;
    font-family: var(--font-sans);
    color: var(--text-color);
    transition: var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    background-color: var(--white);
}

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

.form-submit {
    text-align: center;
    margin-top: 40px;
}

.btn-primary {
    display: inline-block;
    padding: 18px 60px;
    background-color: var(--secondary-color);
    color: var(--white);
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.1em;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover {
    background-color: #8d6842;
}

.btn-submit {
    min-width: 200px;
}

/* ===================================
   フッター
   =================================== */
.footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: flex;
    flex-direction: column;
}

.footer-logo-main {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--accent-color);
}

.footer-logo-sub {
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.7);
    margin-top: -4px;
}

.footer-info {
    text-align: right;
}

.footer-info p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

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

.footer-bottom p {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.05em;
}

/* ===================================
   レスポンシブデザイン
   =================================== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }
    
    .container {
        padding: 0 30px;
    }
    
    .header-container {
        padding: 0 30px;
    }
    
    .hero-title-main {
        font-size: 48px;
    }
    
    .section-title-en {
        font-size: 40px;
    }
    
    .vision-content {
        gap: 50px;
    }
    
    .vision-statement {
        font-size: 24px;
    }
    
    .results-content {
        gap: 50px;
    }
    
    .recruit-positions {
        grid-template-columns: 1fr;
    }
    
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }
    
    .container {
        padding: 0 20px;
    }
    
    .header-container {
        padding: 0 20px;
        height: 70px;
    }
    
    .nav-list {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero {
        height: 100svh;
    }
    
    .hero-title-main {
        font-size: 36px;
    }
    
    .hero-title-sub {
        font-size: 14px;
        margin-top: 15px;
    }
    
    .hero::before {
        width: 400px;
        height: 400px;
    }
    
    .section-title-en {
        font-size: 32px;
    }
    
    .section-title-ja {
        font-size: 12px;
    }
    
    .section-header {
        margin-bottom: 50px;
    }
    
    .vision-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .vision-statement {
        font-size: 22px;
    }
    
    .vision-description {
        font-size: 15px;
    }
    
    .vision-image-box {
        height: 300px;
    }
    
    .business-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .business-card {
        padding: 40px 30px;
    }
    
    .results-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .results-stats {
        flex-direction: row;
        justify-content: space-around;
        gap: 30px;
    }
    
    .stat-number {
        font-size: 42px;
    }
    
    .stat-label {
        font-size: 12px;
    }
    
    .news-item {
        grid-template-columns: 100px 1fr;
        gap: 20px;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .partner-card {
        padding: 30px 15px;
    }
    
    .company-table th {
        width: 120px;
        padding: 20px;
        font-size: 14px;
    }
    
    .company-table td {
        padding: 20px;
        font-size: 14px;
    }
    
    .recruit-title {
        font-size: 26px;
    }
    
    .recruit-text {
        font-size: 15px;
    }
    
    .contact-form {
        padding: 40px 30px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 20px;
    }
    
    .form-group:not(.form-row .form-group) {
        margin-bottom: 20px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
        align-items: center;
        text-align: center;
    }
    
    .footer-info {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title-main {
        font-size: 28px;
    }
    
    .hero-title-sub {
        font-size: 12px;
        margin-top: 10px;
    }
    
    .section-title-en {
        font-size: 28px;
    }
    
    .vision-statement {
        font-size: 20px;
    }
    
    .business-card-title {
        font-size: 20px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .news-item {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .recruit-title {
        font-size: 22px;
    }
    
    .results-stats {
        flex-direction: column;
    }
    
    .partners-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .partner-logo {
        font-size: 16px;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
    
    .btn-primary {
        padding: 15px 40px;
        font-size: 14px;
    }
}