/* ========================================
   リセット・ベーススタイル
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* カラーパレット - ダークモード/ライトモードに関係なく固定 */
    --color-primary: #2a2e47;
    --color-secondary: #ffffff;
    --color-text: #1a1a1a;
    --color-text-light: #6b7280;
    --color-border: #e5e7eb;
    --color-bg-light: #f9fafb;
    --color-accent: #6366f1;
    --color-accent-light: #818cf8;
    --color-accent-dark: #4f46e5;

    /* フォント */
    --font-primary: 'Times New Roman', '游明朝', 'Yu Mincho', 'YuMincho', 'ヒラギノ明朝 Pro', 'Hiragino Mincho Pro', 'MS PMincho', serif;
    --font-heading: 'Times New Roman', '游明朝', 'Yu Mincho', 'YuMincho', 'ヒラギノ明朝 Pro', 'Hiragino Mincho Pro', 'MS PMincho', serif;

    /* レイアウト */
    --container-width: 1200px;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 32px;
    --spacing-lg: 64px;
    --spacing-xl: 128px;
    --spacing-2xl: 160px;

    /* グラデーション */
    --gradient-primary: linear-gradient(135deg, #2a2e47 0%, #1e2241 100%);
    --gradient-accent: linear-gradient(135deg, #6366f1 0%, #818cf8 100%);
    --gradient-subtle: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.8) 100%);

    /* シャドウ */
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 12px 40px rgba(99, 102, 241, 0.15);
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-card-hover: 0 8px 30px rgba(99, 102, 241, 0.12);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.1);

    /* トランジション */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ダークモード/ライトモードに関係なくライトモードの色を強制 */
html {
    scroll-behavior: smooth;
    color-scheme: light;
    background-color: var(--color-secondary);
    color: var(--color-text);
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background-color: var(--color-secondary);
    line-height: 1.8;
    letter-spacing: 0.02em;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* ========================================
   ヘッダー
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: transparent;
    transition: all 0.3s ease;
    backdrop-filter: blur(0px);
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.85);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.header-container {
    max-width: 100%;
    margin: 0;
    padding: 30px max(var(--spacing-sm), calc((100% - var(--container-width)) / 2 + var(--spacing-sm))) 0 calc(var(--spacing-lg) * 2);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 100px;
}

.logo {
    flex: 0 0 auto;
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-image {
    height: 60px;
    width: auto;
    transition: opacity 0.3s ease;
    filter: brightness(0) invert(1) drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.header.scrolled .logo-image {
    filter: none;
}

.logo a:hover .logo-image {
    opacity: 0.8;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-list a {
    color: var(--color-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    letter-spacing: 0.05em;
    transition: color 0.3s ease;
    position: relative;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.header.scrolled .nav-list a {
    color: var(--color-text);
    text-shadow: none;
}

.nav-list a:hover {
    color: var(--color-accent-light);
}

.header.scrolled .nav-list a:hover {
    color: var(--color-accent);
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    border-radius: 2px;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-list a:hover::after {
    width: calc(100% - 8px);
}

.has-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-secondary);
    box-shadow: var(--shadow);
    list-style: none;
    min-width: 200px;
    padding: var(--spacing-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    border-radius: 8px;
    overflow: visible;
}

.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--color-text);
    text-decoration: none;
    transition: background-color 0.3s ease;
    border-radius: 0;
    background-color: transparent;
    border: none;
    text-shadow: none;
}

.dropdown-menu a:hover {
    background-color: var(--color-bg-light);
    transform: none;
}

.dropdown-more {
    font-weight: 600;
    color: var(--color-accent) !important;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    margin-top: var(--spacing-xs) !important;
    padding-top: var(--spacing-sm) !important;
    background-color: transparent !important;
    border: none !important;
}

.dropdown-more:hover {
    background-color: var(--color-bg-light) !important;
    color: var(--color-accent) !important;
}

/* ヘッダーが透明な時（Hero上）のドロップダウンメニューは通常通り */
.header:not(.scrolled) .dropdown-menu {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.header:not(.scrolled) .dropdown-menu a {
    color: var(--color-text);
}

.header-actions {
    display: none;
    align-items: center;
    gap: var(--spacing-sm);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: var(--spacing-xs);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger span {
    width: 25px;
    height: 2px;
    background-color: var(--color-secondary);
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.header.scrolled .hamburger span {
    background-color: var(--color-text);
    box-shadow: none;
}

/* ========================================
   ヒーローセクション
   ======================================== */
.hero {
    position: relative;
    height: 120vh;
    overflow: hidden;
    margin-top: -100px;
    padding-top: 100px;
    padding-bottom: 0;
}

.hero-image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-color: #333;
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    color: var(--color-secondary);
    z-index: 10;
    width: 100%;
    max-width: 100%;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.hero-left {
    flex: 0 0 auto;
    max-width: 600px;
    margin-left: calc(var(--spacing-lg) * 2);
    padding-left: var(--spacing-md);
    opacity: 0;
    animation: fadeInLeft 1s ease 0.3s forwards;
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.hero-title {
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    text-shadow: 2px 4px 16px rgba(0, 0, 0, 0.4);
    letter-spacing: 0.1em;
    line-height: 1.4;
    text-align: left;
    writing-mode: horizontal-tb;
    text-orientation: mixed;
}

.hero-subtitle {
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 700;
    text-shadow: 2px 4px 16px rgba(0, 0, 0, 0.4);
    letter-spacing: 0.1em;
    text-transform: none;
    opacity: 1;
    text-align: left;
    line-height: 1.4;
    margin-bottom: 0;
    writing-mode: horizontal-tb;
    text-orientation: mixed;
}

.tw-cursor {
    display: inline-block;
    width: 2px;
    height: 1.1em;
    background-color: rgba(255, 255, 255, 0.9);
    margin-left: 2px;
    vertical-align: middle;
    animation: twBlink 0.7s step-end infinite;
}

@keyframes twBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* ========================================
   セクション共通スタイル
   ======================================== */
section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(42, 46, 71, 0.1) 50%, transparent 100%);
    opacity: 0.5;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 72px;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    writing-mode: horizontal-tb;
    text-orientation: mixed;
    color: var(--color-primary);
    letter-spacing: 0.1em;
    line-height: 1.15;
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

@media (max-width: 767px) {
    .section-title {
        font-size: 48px;
        letter-spacing: 0.08em;
    }

    .section-title::after {
        width: 60px;
        height: 3px;
    }
}

/* ========================================
   企業コンセプトセクション
   ======================================== */
.concept {
    background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-bg-light) 50%, var(--color-secondary) 100%);
    position: relative;
}

.concept::before {
    display: none;
}

.concept-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
}

.concept-left {
    flex: 1;
    text-align: left;
}

.concept-left .section-title {
    text-align: left;
    margin-bottom: var(--spacing-md);
}

.concept-left .section-title::after {
    left: 0;
    transform: none;
}

.concept-text {
    font-size: 18px;
    line-height: 2.0;
    color: var(--color-text);
    margin: 0;
    letter-spacing: 0.05em;
    font-weight: 400;
}

.concept-highlight {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.concept-right {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.concept-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 650px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.concept-image {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.concept-image-bg {
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
}

.concept-image-overlay {
    position: absolute;
    top: 50%;
    left: 45%;
    transform: translate(-50%, -50%) rotate(-15deg);
    max-width: 55%;
    width: auto;
    height: auto;
    z-index: 2;
    pointer-events: none;
    transition: transform 0.3s ease, filter 0.3s ease;
    filter: brightness(0) invert(1) drop-shadow(0 4px 12px rgba(255, 255, 255, 0.6)) drop-shadow(0 8px 24px rgba(255, 255, 255, 0.3));
}

.concept-image-wrapper:hover .concept-image-overlay {
    transform: translate(-50%, -50%) rotate(-18deg) scale(1.05);
    filter: brightness(0) invert(1) drop-shadow(0 6px 16px rgba(255, 255, 255, 0.7)) drop-shadow(0 12px 32px rgba(255, 255, 255, 0.4));
}

/* タブレットサイズ（768px〜991px）でのMissionセクション */
@media (max-width: 991px) and (min-width: 768px) {
    .concept-content {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .concept-left {
        text-align: left;
    }

    .concept-left .section-title {
        text-align: left;
    }

    .concept-left .section-title::after {
        left: 0;
        right: auto;
        transform: none;
    }

    .concept-right {
        width: 100%;
    }

    .concept-image-wrapper {
        max-width: 700px;
    }

    .concept-image-overlay {
        max-width: 50%;
        top: 50%;
        left: 45%;
        transform: translate(-50%, -50%) rotate(-12deg);
    }
}

/* スマホサイズ（767px以下）でのMissionセクション */
@media (max-width: 767px) {
    .concept-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .concept-left {
        text-align: left;
    }

    .concept-left .section-title {
        text-align: left;
    }

    .concept-left .section-title::after {
        left: 0;
        right: auto;
        transform: none;
    }

    .concept-right {
        width: 100%;
    }

    .concept-image-wrapper {
        max-width: 100%;
    }

    .concept-image-overlay {
        max-width: 45%;
        top: 50%;
        left: 45%;
        transform: translate(-50%, -50%) rotate(-10deg);
    }
}

/* ========================================
   事業紹介セクション
   ======================================== */
.business {
    background: linear-gradient(135deg, #2a2e47 0%, #1e2241 50%, #2a2e47 100%);
    padding: 0;
    margin: 0;
}

.business-container {
    display: flex;
    min-height: auto;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.business-title-section {
    flex: 0 0 35%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: var(--spacing-lg) calc(var(--spacing-lg) * 1.5);
    position: relative;
    overflow: hidden;
    box-sizing: border-box;
    order: 2;
}

.business-title-section > * {
    max-width: 100%;
    box-sizing: border-box;
}

.business-title-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

.business-title-section::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, transparent 0%, rgba(255, 255, 255, 0.25) 50%, transparent 100%);
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.1);
    }
}

.business-title {
    font-family: var(--font-heading);
    font-size: 64px;
    font-weight: 700;
    color: var(--color-secondary);
    letter-spacing: 0.1em;
    line-height: 1.15;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
    writing-mode: horizontal-tb;
    text-orientation: mixed;
    white-space: normal;
    max-width: 100%;
    display: inline-block;
}

.business-title::after {
    content: '';
    position: absolute;
    bottom: -16px;
    left: 0;
    width: 80px;
    height: 4px;
    background: var(--color-secondary);
    border-radius: 2px;
}

.business-intro-text {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.9;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.03em;
    width: 100%;
    max-width: 100%;
    position: relative;
    z-index: 1;
}

.business-more-link {
    color: var(--color-secondary);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid transparent;
    position: relative;
    display: inline-block;
    z-index: 1;
}

.business-more-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-secondary);
    transition: width 0.3s ease;
}

.business-more-link:hover {
    letter-spacing: 0.12em;
}

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

.business-cards-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
    background-color: transparent;
    order: 1;
}

.business-card-item {
    position: relative;
    display: block;
    text-decoration: none;
    color: var(--color-secondary);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background-color: var(--color-secondary);
    height: 240px;
    border-right: 1px solid rgba(0, 0, 0, 0.06);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.business-card-item:nth-child(2n) {
    border-right: none;
}

.business-card-item:nth-child(n+3) {
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.business-card-item:nth-child(5) {
    grid-column: 1 / -1;
    border-right: 1px solid rgba(0, 0, 0, 0.06);
}

.business-card-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 1;
    pointer-events: none;
}

.business-card-item:hover {
    transform: translateY(-6px);
    z-index: 10;
    box-shadow: 0 16px 48px rgba(42, 46, 71, 0.25);
}

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

.business-card-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1), filter 0.5s ease;
}

.business-card-item:hover .business-card-image {
    transform: scale(1.08);
    filter: brightness(0.3);
}

.business-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(42, 46, 71, 0.1) 0%, rgba(42, 46, 71, 0.5) 60%, rgba(42, 46, 71, 0.85) 100%);
    transition: all 0.5s ease;
    z-index: 2;
}

.business-card-item:hover .business-card-overlay {
    background: linear-gradient(180deg, rgba(42, 46, 71, 0.4) 0%, rgba(42, 46, 71, 0.8) 60%, rgba(42, 46, 71, 0.98) 100%);
}

.business-card-info {
    position: relative;
    z-index: 3;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-sm);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.business-card-default-content {
    position: absolute;
    left: var(--spacing-md);
    right: var(--spacing-md);
    bottom: var(--spacing-sm);
    z-index: 1;
    margin-top: 0;
}

.business-card-hover-content {
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
    margin-bottom: auto;
    padding-bottom: var(--spacing-sm);
}

.business-card-item:hover .business-card-hover-content {
    opacity: 1;
    transform: translateY(0);
}

.business-card-title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 4px;
    letter-spacing: 0.05em;
    line-height: 1.3;
    color: var(--color-secondary);
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
    writing-mode: horizontal-tb;
    text-orientation: mixed;
}

.business-card-subtitle {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.05em;
    line-height: 1.4;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    margin-top: 4px;
}

.business-card-description {
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.7;
    font-size: 14px;
    letter-spacing: 0.02em;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.business-card-features {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: var(--spacing-sm);
}

.business-card-feature-item {
    background-color: rgba(99, 102, 241, 0.20);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(99, 102, 241, 0.45);
    border-radius: 6px;
    padding: 8px 12px;
    color: rgba(255, 255, 255, 0.95);
    font-size: 12px;
    line-height: 1.4;
    letter-spacing: 0.02em;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    white-space: nowrap;
    display: inline-block;
}

.business-card-item:hover .business-card-feature-item {
    background: var(--gradient-accent);
    border-color: transparent;
    transform: translateY(-2px);
}

/* ========================================
   企業情報セクション
   ======================================== */
.company-info {
    background: linear-gradient(180deg, var(--color-bg-light) 0%, var(--color-secondary) 100%);
    position: relative;
}

.company-info .section-title {
    text-align: left;
}

.company-info .section-title::after {
    left: 0;
    transform: none;
}

.company-info::before {
    display: none;
}

.company-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.company-card {
    background-color: var(--color-secondary);
    border-radius: 12px;
    padding: var(--spacing-lg);
    text-align: center;
    text-decoration: none;
    color: var(--color-text);
    transition: all var(--transition-slow);
    display: block;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.company-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
}

.company-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-lg);
}

.company-card:hover::before {
    opacity: 1;
}

.company-card h3 {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    transition: color 0.4s ease;
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--color-primary);
    display: inline-block;
    writing-mode: horizontal-tb;
    text-orientation: mixed;
}

.company-card:hover h3 {
    color: var(--color-secondary);
    border-bottom-color: var(--color-secondary);
}

.company-card p {
    color: var(--color-text-light);
    position: relative;
    z-index: 1;
    line-height: 1.9;
    font-size: 15px;
    letter-spacing: 0.03em;
    transition: color 0.4s ease;
}

.company-card:hover p {
    color: rgba(255, 255, 255, 0.95);
}

/* ========================================
   採用情報バナー
   ======================================== */
/* ========================================
   お問い合わせセクション
   ======================================== */

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* ========================================
   フッター
   ======================================== */
.footer {
    background: var(--gradient-primary);
    color: var(--color-secondary);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.2) 50%, transparent 100%);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.footer-logo {
    margin-bottom: var(--spacing-xs);
}

.footer-logo a {
    display: inline-block;
    text-decoration: none;
}

.footer-logo-image {
    height: 50px;
    width: auto;
    opacity: 0.9;
    transition: opacity 0.3s ease;
    filter: brightness(0) invert(1);
}

.footer-logo a:hover .footer-logo-image {
    opacity: 1;
}

.footer-address {
    line-height: 1.9;
    opacity: 1;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.03em;
}

.footer-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    writing-mode: horizontal-tb;
    text-orientation: mixed;
}

.footer-section:last-child .footer-title {
    font-size: 20px;
    margin-bottom: var(--spacing-sm);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: var(--color-secondary);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-social {
    margin-bottom: var(--spacing-sm);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-contact-text {
    color: var(--color-secondary);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
    opacity: 1;
    letter-spacing: 0.03em;
    font-weight: 500;
}

.footer-email {
    margin-top: var(--spacing-xs);
}

.footer-email a {
    color: var(--color-secondary);
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
}

.footer-email a:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.6;
}

/* ========================================
   企業情報ページ
   ======================================== */
.company-page {
    background-color: var(--color-bg-light);
}

.company-page .header {
    background-color: var(--color-primary);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.company-page .header.scrolled {
    background-color: var(--color-primary);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.company-page .logo-image {
    filter: brightness(0) invert(1);
}

.company-page .nav-list a {
    color: var(--color-secondary) !important;
    text-shadow: none;
}

.company-page .nav-list a:hover {
    color: rgba(255, 255, 255, 0.8) !important;
}

.company-page .has-dropdown > a {
    color: var(--color-secondary) !important;
}

.company-page .has-dropdown > a:hover {
    color: rgba(255, 255, 255, 0.8) !important;
}

.company-page .hamburger span {
    background-color: var(--color-secondary);
    box-shadow: none;
}

.company-page .dropdown-menu {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.company-page .dropdown-menu a {
    color: var(--color-text) !important;
}

.company-page .header:not(.scrolled) .dropdown-menu a {
    color: var(--color-text) !important;
}

.company-page .dropdown-menu a:hover {
    background-color: rgba(42, 46, 71, 0.08);
    color: var(--color-primary) !important;
}

.company-page .dropdown-more {
    color: var(--color-accent) !important;
}

.company-page .dropdown-more:hover {
    color: var(--color-accent) !important;
}

.breadcrumb {
    background: linear-gradient(135deg, rgba(42, 46, 71, 0.05) 0%, rgba(42, 46, 71, 0.02) 100%);
    padding: var(--spacing-xs) 0;
    margin-top: 100px;
    border-bottom: 1px solid rgba(42, 46, 71, 0.1);
}

.breadcrumb-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-xs);
    align-items: center;
    font-size: 14px;
}

.breadcrumb-list li {
    color: var(--color-text-light);
}

.breadcrumb-list li:not(:last-child)::after {
    content: '>';
    margin-left: var(--spacing-xs);
    color: var(--color-text-light);
}

.breadcrumb-list a {
    color: var(--color-text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-list a:hover {
    color: var(--color-accent);
}

.company-info-table {
    background: linear-gradient(135deg, rgba(42, 46, 71, 0.02) 0%, rgba(42, 46, 71, 0.05) 100%);
    border: 1px solid rgba(42, 46, 71, 0.12);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    max-width: 100%;
}

.info-list {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--spacing-md) var(--spacing-lg);
    align-items: start;
}

.info-list dt {
    font-weight: 600;
    font-size: 16px;
    color: var(--color-primary);
    letter-spacing: 0.05em;
    padding: var(--spacing-sm) 0;
    border-bottom: none;
    margin-top: 0;
    grid-column: 1;
}

.info-list dd {
    font-size: 15px;
    color: var(--color-text);
    line-height: 1.8;
    letter-spacing: 0.03em;
    padding: var(--spacing-sm) 0;
    grid-column: 2;
    border-bottom: 1px solid rgba(42, 46, 71, 0.1);
}

.message-content {
    background: linear-gradient(135deg, rgba(42, 46, 71, 0.02) 0%, rgba(42, 46, 71, 0.05) 100%);
    border: 1px solid rgba(42, 46, 71, 0.12);
    padding: var(--spacing-xl);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    max-width: 100%;
}

.message-header {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 2px solid rgba(42, 46, 71, 0.15);
}

.message-signature {
    text-align: right;
}

.message-name {
    font-size: 14px;
    color: var(--color-text-light);
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.message-title {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.05em;
}

.message-text {
    font-size: 16px;
    line-height: 2.2;
    color: var(--color-text);
    letter-spacing: 0.03em;
}

.message-text p {
    margin-bottom: var(--spacing-md);
}

.message-date {
    text-align: right;
    font-size: 14px;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    padding-bottom: 0;
}

/* スクロール出現アニメーション */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
    will-change: opacity, transform;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* 核となる言葉（ヒーロー） */
.philosophy-hero {
    position: relative;
    overflow: hidden;
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    background: var(--gradient-primary);
    border-radius: 16px;
    box-shadow: 0 16px 48px rgba(42, 46, 71, 0.28);
}

.philosophy-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(99, 102, 241, 0.30) 0%, transparent 55%);
    pointer-events: none;
}

.philosophy-hero-label {
    position: relative;
    font-family: var(--font-heading);
    font-size: 30px;
    font-weight: 700;
    letter-spacing: 0.08em;
    line-height: 1.3;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
}

.philosophy-hero-label::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 44px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.philosophy-hero-phrase {
    position: relative;
    font-family: var(--font-heading);
    font-size: clamp(28px, 4.5vw, 44px);
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: 0.1em;
    color: var(--color-secondary);
    margin: 0;
}

/* タイムライン */
.philosophy-timeline {
    position: relative;
    padding-left: 48px;
}

.philosophy-timeline::before {
    content: '';
    position: absolute;
    left: 11px;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background: linear-gradient(180deg, var(--color-accent) 0%, rgba(99, 102, 241, 0.12) 100%);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-node {
    position: absolute;
    left: -42px;
    top: 30px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-secondary);
    border: 3px solid var(--color-accent);
    box-shadow: 0 0 0 5px rgba(99, 102, 241, 0.12);
}

/* 強化カード */
.philosophy-card {
    position: relative;
    overflow: hidden;
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, rgba(42, 46, 71, 0.02) 0%, rgba(42, 46, 71, 0.05) 100%);
    border-left: 4px solid var(--color-accent);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.philosophy-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.philosophy-card-num {
    position: absolute;
    top: 14px;
    right: 16px;
    font-family: var(--font-heading);
    font-size: 56px;
    font-weight: 700;
    line-height: 1;
    color: rgba(42, 46, 71, 0.05);
    pointer-events: none;
    user-select: none;
}

.philosophy-card-heading {
    position: relative;
    font-family: var(--font-heading);
    font-size: 30px;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.08em;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
}

.philosophy-card-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 44px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.philosophy-card-text {
    position: relative;
    font-size: 16px;
    line-height: 1.9;
    color: var(--color-text);
    letter-spacing: 0.03em;
}

.philosophy-card-text strong {
    font-weight: 700;
    color: var(--color-primary);
}

/* Value: 番号バッジ付き2カラム */
.philosophy-values {
    position: relative;
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
}

.philosophy-values li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text);
    letter-spacing: 0.03em;
}

.value-badge {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    color: var(--color-secondary);
    background: var(--gradient-accent);
    border-radius: 50%;
}

/* ========================================
   事業紹介ページ - 事業詳細コンテンツ
   ======================================== */
.business-detail-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    max-width: 100%;
}

/* 画像（アクセントフレーム付き・アスペクト比固定でサイズを統一） */
.business-detail-media {
    position: relative;
}

.business-detail-media::before {
    content: '';
    position: absolute;
    left: -14px;
    top: -14px;
    width: 72px;
    height: 72px;
    border-top: 3px solid var(--color-accent);
    border-left: 3px solid var(--color-accent);
    border-radius: 4px 0 0 0;
    z-index: 1;
    pointer-events: none;
}

.business-detail-image {
    position: relative;
    width: 100%;
    max-width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 14px 40px rgba(42, 46, 71, 0.18);
}

.business-detail-image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    background-color: var(--color-bg-light);
    transition: transform 0.5s ease;
}

.business-detail-image:hover img {
    transform: scale(1.04);
}

.business-detail-text {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(42, 46, 71, 0.02) 0%, rgba(42, 46, 71, 0.05) 100%);
    border-left: 4px solid var(--color-accent);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

/* 透かし番号 */
.business-detail-num {
    position: absolute;
    top: -16px;
    right: 10px;
    font-family: var(--font-heading);
    font-size: 120px;
    font-weight: 700;
    line-height: 1;
    color: rgba(42, 46, 71, 0.05);
    pointer-events: none;
    user-select: none;
}

/* eyebrowラベル（旧サブタイトル） */
.business-detail-eyebrow {
    position: relative;
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 13px;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-accent-dark);
    margin-bottom: var(--spacing-md);
    padding-bottom: 6px;
}

.business-detail-eyebrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 36px;
    height: 2px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.business-detail-description {
    position: relative;
    font-size: 16px;
    line-height: 1.9;
    color: var(--color-text);
    letter-spacing: 0.03em;
    margin: 0 0 var(--spacing-md);
}

/* ピルタグ */
.business-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

/* 事業タイトル直下に並べるタグ */
.business-tags-top {
    margin-bottom: var(--spacing-lg);
}

.business-tag {
    display: inline-block;
    font-size: 14px;
    letter-spacing: 0.03em;
    color: var(--color-accent-dark);
    background: rgba(99, 102, 241, 0.10);
    border: 1px solid rgba(99, 102, 241, 0.25);
    padding: 6px 16px;
    border-radius: 999px;
    transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.business-tag:hover {
    background: var(--gradient-accent);
    color: var(--color-secondary);
    border-color: transparent;
}


/* ========================================
   企業情報ページ - サイドバーレイアウト
   ======================================== */
.company-content-section {
    background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-bg-light) 100%);
    padding: var(--spacing-md) 0 var(--spacing-md) 0;
    min-height: 60vh;
}

.company-layout {
    display: flex;
    gap: var(--spacing-xl);
    align-items: flex-start;
    max-width: 1600px;
    margin: 0 auto;
}

.company-sidebar {
    flex: 0 0 280px;
    position: sticky;
    top: 120px;
    background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-bg-light) 100%);
    border-right: 2px solid rgba(42, 46, 71, 0.15);
    padding-right: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-radius: 8px;
}

.company-sidebar-nav {
    width: 100%;
}

.company-sidebar-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.company-sidebar-list li {
    margin-bottom: var(--spacing-xs);
}

.company-sidebar-link {
    display: block;
    padding: var(--spacing-md) var(--spacing-md);
    color: var(--color-text);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    position: relative;
    border-radius: 4px;
    margin-bottom: var(--spacing-xs);
}

.company-sidebar-link:hover {
    color: var(--color-primary);
    background: linear-gradient(90deg, rgba(42, 46, 71, 0.08) 0%, rgba(42, 46, 71, 0.03) 100%);
    border-left-color: var(--color-primary);
    transform: translateX(4px);
}

.company-sidebar-link.active {
    color: var(--color-primary);
    background: linear-gradient(90deg, rgba(42, 46, 71, 0.12) 0%, rgba(42, 46, 71, 0.05) 100%);
    border-left-color: var(--color-primary);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(42, 46, 71, 0.1);
}

.sidebar-link-text {
    display: block;
}

.company-content-area {
    flex: 1;
    min-width: 0;
    max-width: 1200px;
}

.company-content {
    display: none;
    animation: fadeIn 0.4s ease;
    background-color: transparent;
    padding: 0;
}

.company-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-title {
    font-family: var(--font-heading);
    font-size: 42px;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.08em;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 3px solid var(--color-primary);
    position: relative;
}

.content-title::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 80px;
    height: 3px;
    background: var(--gradient-accent);
}

/* ========================================
   レスポンシブ対応
   ======================================== */
@media (max-width: 1199px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .company-cards {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }
}

@media (max-width: 992px) {
    .company-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
}

/* タブレットサイズ（768px〜1024px）では横並びを維持 */
@media (max-width: 1024px) and (min-width: 768px) {
    .nav-list {
        gap: var(--spacing-xs);
    }

    .nav-list a {
        font-size: 13px;
    }

    .header-container {
        padding: 0 var(--spacing-md);
    }

    .breadcrumb {
        margin-top: 100px;
        padding: var(--spacing-xs) 0;
    }

    .company-content-section {
        padding: var(--spacing-md) 0 var(--spacing-md) 0;
    }

    .company-content-section .container {
        max-width: 100%;
        padding: 0 var(--spacing-md);
    }

    .company-layout {
        display: flex;
        flex-direction: row;
        gap: var(--spacing-md);
        align-items: flex-start;
        justify-content: flex-start;
        max-width: 100%;
        width: 100%;
        margin: 0;
    }

    .company-sidebar {
        flex: 0 0 240px;
        position: sticky;
        top: 120px;
        width: 240px;
        min-width: 240px;
        border-right: 2px solid rgba(42, 46, 71, 0.15);
        padding-right: var(--spacing-md);
        padding-top: var(--spacing-md);
    }

    .company-content-area {
        flex: 1;
        min-width: 0;
        max-width: none;
        margin: 0;
        text-align: left;
    }

    .company-content {
        text-align: left;
    }

    .business-container {
        flex-direction: row;
    }

    .business-title-section {
        flex: 0 0 30%;
        padding: var(--spacing-md) var(--spacing-md);
    }

    .business-title {
        font-size: 32px;
        white-space: normal;
        word-break: keep-all;
        max-width: 100%;
        overflow-wrap: break-word;
    }

    .business-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .section-title {
        font-size: 56px;
    }
}

/* スマホサイズ（767px以下）ではハンバーガーメニュー */
@media (max-width: 767px) {
    .header-container {
        padding: 0 var(--spacing-md);
    }

    .logo-image {
        height: 48px;
    }

    .header-actions {
        display: flex;
    }

    .hamburger {
        display: flex;
    }

    .breadcrumb {
        margin-top: 100px;
        padding: var(--spacing-sm) 0;
    }

    .company-content-section {
        padding: var(--spacing-md) 0 var(--spacing-md) 0;
    }

    .nav {
        position: fixed;
        top: 100px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 100px);
        background-color: var(--color-secondary);
        transition: left 0.3s ease;
        overflow-y: auto;
    }

    .nav.active {
        left: 0;
    }

    .nav-list {
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-xs);
        align-items: flex-start;
    }

    .nav-list li {
        width: 100%;
        border-bottom: 1px solid var(--color-border);
        padding: var(--spacing-xs) 0;
    }

    .nav-list li:last-child {
        border-bottom: none;
    }

    .nav-list a {
        display: block;
        padding: var(--spacing-xs) 0;
        font-size: 16px;
        color: var(--color-text) !important;
        text-shadow: none !important;
    }

    .header.scrolled .nav-list a {
        color: var(--color-text) !important;
    }

    .company-page .nav-list a {
        color: var(--color-text) !important;
        text-shadow: none !important;
    }

    .company-page .nav-list a:hover {
        color: var(--color-accent) !important;
    }

    .company-page .has-dropdown > a {
        color: var(--color-text) !important;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding: var(--spacing-xs) 0 0 var(--spacing-md);
        margin-left: 0;
        margin-top: var(--spacing-xs);
        background-color: transparent;
    }

    .dropdown-menu li {
        padding: var(--spacing-xs) 0;
    }

    .dropdown-menu a {
        font-size: 14px;
        color: var(--color-text) !important;
        opacity: 0.8;
    }

    .company-page .dropdown-menu a {
        color: var(--color-text) !important;
    }

    .logo-image {
        height: 48px;
    }

    .hero-content {
        flex-direction: column;
        text-align: left;
        gap: var(--spacing-lg);
        padding: 0 var(--spacing-md);
        align-items: flex-start;
    }

    .hero-left {
        max-width: 100%;
        text-align: left;
        margin-left: var(--spacing-md);
        padding-left: var(--spacing-sm);
    }

    .hero-right {
        justify-content: center;
        margin-left: 0;
    }

    .hero-logo-image {
        max-width: 250px;
    }

    .hero {
        height: 100vh;
        min-height: 600px;
    }

    .hero-image {
        background-size: cover;
        background-position: center center;
        background-attachment: scroll;
    }

    .hero-title {
        font-size: 20px;
        letter-spacing: 0.06em;
        text-align: left;
        margin-bottom: 10px;
    }

    .hero-subtitle {
        font-size: 20px;
        letter-spacing: 0.06em;
        text-align: left;
        margin-bottom: 0;
    }

    .section-title {
        font-size: 40px;
        letter-spacing: 0.06em;
    }

    .business-card-title {
        font-size: 48px;
    }

    .lifecycle-diagram {
        flex-direction: column;
    }

    .lifecycle-arrow {
        transform: rotate(90deg);
    }

    .business {
        padding: var(--spacing-lg) 0;
    }

    .business-container {
        flex-direction: column;
    }

    .business-title-section {
        flex: 0 0 auto;
        padding: var(--spacing-md) var(--spacing-md);
        order: 1;
    }

    .business-cards-grid {
        order: 2;
    }

    .business-title {
        font-size: 40px;
        max-width: 100%;
        overflow-wrap: break-word;
        word-break: keep-all;
    }

    .business-intro-text {
        font-size: 16px;
    }

    .business-cards-grid {
        grid-template-columns: 1fr;
    }

    .business-card-item {
        height: 280px;
        border-right: none;
        border-left: none;
        border-top: 1px solid rgba(0, 0, 0, 0.06);
    }

    .business-card-item:first-child {
        border-top: none;
    }

    .business-card-info {
        padding: var(--spacing-md) var(--spacing-sm) var(--spacing-sm);
    }

    .business-card-item:hover .business-card-image {
        filter: brightness(0.3);
    }

    .business-card-overlay {
        background: linear-gradient(180deg, rgba(42, 46, 71, 0.2) 0%, rgba(42, 46, 71, 0.6) 50%, rgba(42, 46, 71, 0.9) 100%);
    }

    .business-card-item:hover .business-card-overlay {
        background: linear-gradient(180deg, rgba(42, 46, 71, 0.4) 0%, rgba(42, 46, 71, 0.8) 50%, rgba(42, 46, 71, 0.98) 100%);
    }

    .business-card-title {
        font-size: 22px;
        margin-bottom: 6px;
    }

    .business-card-subtitle {
        font-size: 14px;
        margin-top: 0;
    }

    .business-card-hover-content {
        opacity: 0;
        margin-bottom: auto;
        padding-bottom: var(--spacing-xs);
    }

    .business-card-item:hover .business-card-hover-content {
        opacity: 1;
    }

    .business-card-features {
        flex-direction: column;
        gap: 6px;
        align-items: flex-start;
    }

    .business-card-feature-item {
        width: auto;
        padding: 6px 10px;
        font-size: 11px;
    }

    .company-cards {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-buttons a {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }

    .page-title {
        font-size: 40px;
    }

    .page-subtitle {
        font-size: 16px;
    }

    .company-menu-grid {
        grid-template-columns: 1fr;
    }

    .philosophy-hero {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .philosophy-timeline {
        padding-left: 32px;
    }

    .philosophy-timeline::before {
        left: 8px;
    }

    .timeline-node {
        left: -30px;
        top: 26px;
        width: 14px;
        height: 14px;
    }

    .philosophy-card {
        padding: var(--spacing-md) var(--spacing-md);
    }

    .philosophy-card-heading {
        font-size: 26px;
    }

    .philosophy-card-num {
        font-size: 40px;
    }

    .philosophy-values {
        grid-template-columns: 1fr;
    }

    .message-content,
    .company-info-table {
        padding: var(--spacing-md);
    }

    /* ラベルと本文を縦積みにして本文を全幅に */
    .info-list {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .info-list dt {
        grid-column: 1;
        padding: var(--spacing-sm) 0 4px;
    }

    .info-list dd {
        grid-column: 1;
        padding: 0 0 var(--spacing-sm);
    }

    .company-layout {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .company-sidebar {
        flex: 0 0 auto;
        position: static;
        width: 100%;
        border-right: none;
        border-bottom: 1px solid rgba(0, 0, 0, 0.08);
        padding-right: 0;
        padding-bottom: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }

    .company-sidebar-list {
        display: flex;
        gap: var(--spacing-xs);
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .company-sidebar-list li {
        margin-bottom: 0;
        flex-shrink: 0;
    }

    .company-sidebar-link {
        white-space: nowrap;
        border-left: none;
        border-bottom: 3px solid transparent;
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .company-sidebar-link.active {
        border-left: none;
        border-bottom-color: var(--color-accent);
    }

    .content-title {
        font-size: 28px;
    }

    .business-detail-media::before {
        left: -8px;
        top: -8px;
        width: 52px;
        height: 52px;
    }

    .business-detail-num {
        font-size: 88px;
    }
}