/* リセットとベース設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0066cc;
    --secondary-color: #003d7a;
    --accent-color: #00aaff;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --text-color: #333;
    --text-light: #666;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
}

html {
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text-color);
    line-height: 1.8;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ヘッダー */
.header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #e0e0e0;
}

/* ページ目次 */
.outline-nav {
    position: fixed;
    top: 120px;
    right: 24px;
    width: 200px;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 14px 14px 10px;
    box-shadow: var(--shadow-md);
    z-index: 900;
}

.outline-title {
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.outline-nav a {
    display: block;
    text-decoration: none;
    color: var(--text-color);
    font-size: 0.9rem;
    padding: 6px 0;
    border-bottom: 1px dashed #e6e6e6;
}

.outline-nav a:last-child {
    border-bottom: none;
}

.outline-nav a:hover {
    color: var(--primary-color);
}

.outline-toggle {
    position: fixed;
    right: 16px;
    bottom: 16px;
    border: none;
    background: var(--primary-color);
    color: white;
    font-weight: 700;
    padding: 12px 16px;
    border-radius: 4px;
    box-shadow: var(--shadow-lg);
    z-index: 950;
}

.outline-panel {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    background: white;
    border-radius: 16px 16px 0 0;
    box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.2);
    transform: translateY(100%);
    transition: transform 0.3s ease;
    z-index: 960;
    max-height: 70vh;
    overflow: auto;
}

.outline-panel.active {
    transform: translateY(0);
}

.outline-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    font-weight: 700;
}

.outline-panel-close {
    border: none;
    background: transparent;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
}

.outline-panel-links {
    display: grid;
    gap: 6px;
    padding: 10px 20px 20px;
}

.outline-panel-links a {
    text-decoration: none;
    color: var(--text-color);
    padding: 8px 0;
    border-bottom: 1px dashed #e6e6e6;
    font-size: 0.95rem;
}

.outline-panel-links a:last-child {
    border-bottom: none;
}

.outline-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 955;
}

.outline-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* ページ先頭へ戻るボタン */
.back-to-top {
    position: fixed;
    right: 16px;
    bottom: 70px;
    border: none;
    background: #1f3f6b;
    color: white;
    font-weight: 700;
    padding: 10px 14px;
    border-radius: 4px;
    box-shadow: var(--shadow-lg);
    z-index: 940;
    opacity: 0;
    pointer-events: none;
    transform: translateY(6px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.back-to-top.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    gap: 30px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-image {
    height: 55px;
    width: auto;
    display: block;
}

.nav {
    display: flex;
    gap: 25px;
    align-items: center;
    flex: 1;
    justify-content: center;
}

.nav a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s;
    white-space: nowrap;
}

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

.header-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.recruit-banner {
    display: block;
    transition: all 0.3s;
}

.recruit-banner:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.recruit-banner-img {
    height: 60px;
    width: auto;
    display: block;
}

/* モバイルメニュートグル */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 32px;
    height: 28px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
    transition: all 0.3s;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

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

/* モバイルナビゲーション */
.mobile-nav {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background-color: white;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    z-index: 1000;
}

.mobile-nav.active {
    max-height: 500px;
}

.mobile-nav a {
    display: block;
    padding: 15px 20px;
    color: var(--text-dark);
    text-decoration: none;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s;
}

.mobile-nav a:hover {
    background-color: var(--bg-light);
}

.mobile-recruit-link {
    padding: 20px !important;
    text-align: center;
    background-color: var(--bg-light);
}

.mobile-recruit-link img {
    height: 50px;
    width: auto;
}

/* ヒーローセクション */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    background-size: 100% auto;
    background-position: center top;
    background-repeat: no-repeat;
    color: white;
    padding: 100px 0 80px;
    overflow: hidden;
    min-height: 600px;
    margin-bottom: 0;
    z-index: 0;
}

.limited-banner {
    position: absolute;
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 6px 14px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.9);
    color: #1f3f6b;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
    z-index: 2;
    animation: bannerFlash 2.4s ease-out 0.1s 1 both, bannerGlow 1.6s ease-in-out 0.1s 2;
    overflow: hidden;
}

.limited-text {
    white-space: nowrap;
}

.limited-banner::before,
.limited-banner::after {
    content: '';
    position: absolute;
    top: -40%;
    width: 34px;
    height: 34px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0) 70%);
    opacity: 0;
    pointer-events: none;
    filter: drop-shadow(0 0 16px rgba(255, 255, 255, 0.95));
}

.limited-banner::before {
    left: 8%;
    animation: sparkleLeft 1.8s ease-out 0.1s 1 both;
}

.limited-banner::after {
    right: 10%;
    animation: sparkleRight 1.8s ease-out 0.25s 1 both;
}

@keyframes sparkleLeft {
    0% {
        transform: scale(0.2) rotate(0deg);
        opacity: 0;
    }

    30% {
        opacity: 1;
    }

    60% {
        transform: scale(1.6) rotate(25deg);
        opacity: 0.9;
    }

    100% {
        transform: scale(0.3) rotate(40deg);
        opacity: 0;
    }
}

@keyframes sparkleRight {
    0% {
        transform: scale(0.2) rotate(0deg);
        opacity: 0;
    }

    35% {
        opacity: 1;
    }

    70% {
        transform: scale(1.8) rotate(-30deg);
        opacity: 0.9;
    }

    100% {
        transform: scale(0.3) rotate(-45deg);
        opacity: 0;
    }
}

@keyframes bannerFlash {
    0% {
        transform: translateX(-50%) scale(1.08);
        background: #ff7a00;
        color: white;
        box-shadow: 0 14px 36px rgba(255, 122, 0, 0.7);
        opacity: 0.1;
    }

    40% {
        opacity: 1;
    }

    70% {
        transform: translateX(-50%) scale(1);
        background: rgba(255, 255, 255, 0.95);
        color: #1f3f6b;
        box-shadow: 0 8px 22px rgba(0, 0, 0, 0.18);
    }

    100% {
        transform: translateX(-50%);
        background: rgba(255, 255, 255, 0.9);
        color: #1f3f6b;
        box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
        opacity: 1;
    }
}

@keyframes bannerGlow {
    0% {
        box-shadow: 0 10px 30px rgba(255, 122, 0, 0.65), 0 0 0 rgba(255, 255, 255, 0);
    }

    50% {
        box-shadow: 0 18px 44px rgba(255, 122, 0, 0.85), 0 0 22px rgba(255, 255, 255, 0.8);
    }

    100% {
        box-shadow: 0 8px 22px rgba(255, 122, 0, 0.6), 0 0 0 rgba(255, 255, 255, 0);
    }
}

.hero-image-pc {
    display: block;
}

.hero-image-mobile {
    display: none;
}

.hero-image-mobile img {
    width: 100%;
    height: auto;
    display: block;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 82, 147, 0.9) 0%, rgba(0, 130, 200, 0.85) 100%);
    background-image: url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%23ffffff" fill-opacity="0.05"%3E%3Cpath d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 1100px;
    margin: 0 auto;
}

.renewal-badge {
    display: inline-block;
    background: linear-gradient(135deg, #FF6B35 0%, #FF8E53 100%);
    backdrop-filter: blur(10px);
    color: white;
    padding: 16px 48px;
    border-radius: 8px;
    font-weight: 900;
    font-size: 1.3rem;
    letter-spacing: 4px;
    margin-bottom: 30px;
    border: 3px solid rgba(255, 255, 255, 0.9);
    box-shadow: 0 8px 32px rgba(255, 107, 53, 0.6),
        0 0 40px rgba(255, 107, 53, 0.4),
        inset 0 0 20px rgba(255, 255, 255, 0.2);
    animation: renewalPulse 2s ease-in-out infinite, renewalGlow 3s ease-in-out infinite;
    transform-origin: center;
    position: relative;
}

.renewal-badge::before {
    content: '✨';
    position: absolute;
    left: 15px;
    font-size: 1.2rem;
    animation: sparkle 1.5s ease-in-out infinite;
}

.renewal-badge::after {
    content: '✨';
    position: absolute;
    right: 15px;
    font-size: 1.2rem;
    animation: sparkle 1.5s ease-in-out infinite 0.75s;
}

@keyframes renewalPulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.08);
    }
}

@keyframes renewalGlow {

    0%,
    100% {
        box-shadow: 0 8px 32px rgba(255, 107, 53, 0.6),
            0 0 40px rgba(255, 107, 53, 0.4),
            inset 0 0 20px rgba(255, 255, 255, 0.2);
    }

    50% {
        box-shadow: 0 8px 40px rgba(255, 107, 53, 0.9),
            0 0 60px rgba(255, 107, 53, 0.7),
            inset 0 0 30px rgba(255, 255, 255, 0.3);
    }
}

@keyframes sparkle {

    0%,
    100% {
        opacity: 0.3;
        transform: scale(0.8);
    }

    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 10px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.8), 0 2px 10px rgba(0, 0, 0, 0.6);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
}

.hero-catchphrase {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.6;
    text-shadow: 0 3px 15px rgba(0, 0, 0, 0.7);
}

.hero-description {
    font-size: 1.1rem;
    line-height: 2;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 40px;
    position: relative;
    z-index: 10;
}

/* リードセクション */
.lead-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-bottom: 1px solid var(--border-color);
    position: relative;
    z-index: 1;
}

.lead-content {
    max-width: 900px;
    margin: 0 auto;
}

.lead-heading {
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 30px;
    line-height: 1.4;
}

.lead-box {
    background: white;
    border-radius: 16px;
    padding: 35px 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 2px solid var(--primary-color);
}

.lead-description {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--text-dark);
    margin: 0 0 25px 0;
    text-align: left;
}

.lead-benefits {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.lead-benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.benefit-icon {
    font-size: 1.4rem;
    color: var(--secondary-color);
    font-weight: 900;
    flex-shrink: 0;
}

.benefit-text {
    font-size: 1.05rem;
    color: var(--text-dark);
    line-height: 1.7;
    font-weight: 500;
}

/* Hero詳細情報（モバイル用） */
.hero-details-mobile {
    display: none;
    background-color: var(--bg-light);
    padding: 0;
}

.hero-details-box {
    background: white;
    border-radius: 16px;
    padding: 35px 30px;
    box-shadow: var(--shadow-md);
    border-left: 5px solid var(--primary-color);
}

.hero-details-box h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 25px;
    line-height: 1.5;
}

.details-intro {
    font-size: 1.05rem;
    line-height: 2;
    margin-bottom: 25px;
    color: var(--text-dark);
}

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

.details-list li {
    font-size: 1rem;
    line-height: 2;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.details-list li:last-child {
    margin-bottom: 0;
}

.details-credential {
    font-size: 0.95rem;
    color: var(--text-light);
    margin: 0;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    line-height: 1.8;
}

/* ボタンスタイル */
.btn {
    display: inline-block;
    padding: 15px 40px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.btn-with-icon {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-with-icon svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.btn-primary {
    background-color: white;
    color: var(--primary-color);
}

.btn-primary:hover {
    background-color: transparent;
    color: white;
    border-color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-solid-primary {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn-solid-primary:hover {
    background-color: #004a8c;
    color: white;
    border-color: #004a8c;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover {
    background-color: white;
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-white {
    background-color: white !important;
    color: var(--primary-color) !important;
    border: 2px solid white !important;
}

.btn-white:hover {
    background-color: #f0f0f0 !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.hero .btn-white {
    background-color: #e9f2ff !important;
    border-color: #2f6edb !important;
    color: #1f4fa3 !important;
    box-shadow: 0 6px 18px rgba(47, 110, 219, 0.25);
}

.hero .btn-white:hover {
    background-color: #dbe9ff !important;
    box-shadow: 0 8px 20px rgba(47, 110, 219, 0.3);
}

.btn-large {
    padding: 18px 50px;
    font-size: 1.1rem;
}

/* セクション共通スタイル */
section {
    padding: 80px 0;
    scroll-margin-top: 100px;
    position: relative;
    background-color: white;
}

#capabilities {
    scroll-margin-top: 100px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 2px;
    background: var(--primary-color);
    margin: 12px auto 0;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-light);
    margin-top: 15px;
}

/* 特徴セクション */
.features-section {
    background-color: var(--bg-light);
    position: relative;
    z-index: 3;
}

/* 選ばれる理由（写真＋テキスト 2カラム） */
.reasons-list {
    display: flex;
    flex-direction: column;
    gap: 64px;
    margin-top: 48px;
}

.reason-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}

.reason-item:nth-child(even) .reason-image {
    order: 2;
}

.reason-item:nth-child(even) .reason-content {
    order: 1;
}

.reason-image {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 36px rgba(0, 0, 0, 0.12);
}

.reason-image img {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
}

.reason-content {
    padding: 8px 0;
}

.reason-badge {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 5px 16px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 14px;
    letter-spacing: 0.03em;
}

.reason-number {
    font-size: 4.5rem;
    font-weight: 900;
    color: rgba(0, 82, 147, 0.07);
    line-height: 1;
    margin-bottom: -12px;
    letter-spacing: -0.02em;
}

.reason-content h3 {
    font-size: 1.55rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 16px;
    line-height: 1.3;
}

.reason-content p {
    color: var(--text-light);
    line-height: 1.85;
    font-size: 1rem;
}

@media (max-width: 768px) {
    .reasons-list {
        gap: 48px;
    }

    .reason-item,
    .reason-item:nth-child(even) {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .reason-item:nth-child(even) .reason-image,
    .reason-item:nth-child(even) .reason-content {
        order: unset;
    }

    .reason-number {
        font-size: 3rem;
    }

    .reason-content h3 {
        font-size: 1.3rem;
    }
}

/* 遠隔監視画像の枠線 */
.diagram-container img {
    border: 1px solid var(--border-color);
}

/* 課題と解決策セクション */
.solution-section {
    background-color: var(--bg-white);
}

/* 導入事例セクション */
.case-studies-section {
    background-color: var(--bg-light);
}

/* レアメタル回収セクション */
.rare-metal-section {
    background-color: var(--bg-white);
}

/* 問題と解決のペア */
.problem-solution-pair {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 30px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto 50px;
}

/* Data Deletion Diagram Labels */
.label-step1 {
    bottom: 25%;
    left: 10%;
}

.label-step2 {
    bottom: 25%;
    left: 50%;
    transform: translateX(-50%);
}

.label-step3 {
    bottom: 25%;
    right: 10%;
}

.diagram-steps-text {
    display: flex;
    justify-content: space-between;
    margin-top: 15px;
    padding: 0 10px;
}

.step-text-item {
    font-size: 14px;
    font-weight: bold;
    color: var(--text-color);
    text-align: center;
    width: 30%;
}

@media (max-width: 600px) {
    .data-deletion-diagram .diagram-label {
        font-size: 12px;
        padding: 2px 6px;
        bottom: 30%;
    }

    .diagram-steps-text {
        flex-direction: column;
        gap: 10px;
    }

    .step-text-item {
        width: 100%;
        text-align: left;
        border-bottom: 1px dotted #ccc;
        padding-bottom: 5px;
        font-size: 0.95rem;
    }
}

.problem-solution-pair:last-child {
    margin-bottom: 0;
}

.problem-box,
.solution-box {
    background-color: white;
    border-radius: 16px;
    padding: 35px 30px;
    box-shadow: var(--shadow-lg);
    position: relative;
    min-height: 180px;
    display: flex;
    flex-direction: column;
}

.problem-box {
    background: linear-gradient(135deg, #fff5f5 0%, #ffe5e5 100%);
    border: 3px solid #e74c3c;
}

.solution-box {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 3px solid var(--primary-color);
}

.problem-box h3,
.solution-box h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.problem-box h3 {
    color: #e74c3c;
}

.solution-box h3 {
    color: var(--primary-color);
}

.problem-text,
.solution-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-dark);
}

.problem-icon,
.solution-icon {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.8rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.problem-icon {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
}

.solution-icon {
    background: linear-gradient(135deg, var(--success-color), #27ae60);
    color: white;
}

.arrow-down {
    font-size: 3rem;
    color: var(--primary-color);
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: arrowPulse 2s ease-in-out infinite;
}

@keyframes arrowPulse {

    0%,
    100% {
        transform: translateX(0);
    }

    50% {
        transform: translateX(10px);
    }
}

/* ワークフローセクション */
.workflow-section {
    background-color: var(--bg-light);
}

.workflow-steps {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    grid-template-rows: auto auto auto;
    gap: 30px 20px;
    padding: 20px 0;
    max-width: 1000px;
    margin: 0 auto;
}

.workflow-step {
    background-color: white;
    padding: 30px 25px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    position: relative;
    display: flex;
    flex-direction: column;
}

.workflow-step:nth-child(1) {
    grid-column: 1;
    grid-row: 1;
}

.workflow-step:nth-child(3) {
    grid-column: 3;
    grid-row: 1;
}

.workflow-step:nth-child(5) {
    grid-column: 3;
    grid-row: 3;
}

.workflow-step:nth-child(7) {
    grid-column: 1;
    grid-row: 3;
}

.step-number {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 8px 20px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.85rem;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.step-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 12px;
}

.workflow-step .image-placeholder {
    margin-bottom: 20px;
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.workflow-step .image-placeholder p {
    font-size: 0.75rem;
    line-height: 1.4;
}

.step-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.step-content p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

.workflow-arrow {
    font-size: 2.5rem;
    color: var(--primary-color);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.workflow-arrow:nth-child(2) {
    grid-column: 2;
    grid-row: 1;
}

.workflow-arrow:nth-child(4) {
    grid-column: 3;
    grid-row: 2;
    transform: rotate(90deg);
}

.workflow-arrow:nth-child(6) {
    grid-column: 2;
    grid-row: 3;
    transform: scaleX(-1);
}

/* 強みセクション */
.strengths-section {
    background-color: var(--bg-white);
}

.strengths-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.strength-card {
    background-color: var(--bg-light);
    padding: 35px 25px;
    border-radius: 16px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); /* Premium bounce */
    border: 2px solid transparent;
}

.strength-card:hover {
    background-color: white;
    border-color: var(--primary-color);
    box-shadow: 0 15px 30px rgba(0, 82, 147, 0.15); /* Richer shadow on hover */
    transform: translateY(-8px); /* Deeper float */
}

.strength-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.strength-icon svg {
    width: 35px;
    height: 35px;
}

.strength-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 12px;
}

.strength-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* 処理設備セクション */
.facilities-section {
    background-color: var(--bg-light);
}

.facilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.facility-card {
    background-color: white;
    padding: 35px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.facility-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--primary-color);
}

.facility-specs {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background-color: var(--bg-light);
    border-radius: 8px;
}

.spec-label {
    font-weight: 500;
    color: var(--text-color);
    flex: 1;
}

.spec-value {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.lead-simple-list {
    list-style: none;
    padding: 0;
    margin: 20px 0 0 0;
}

.lead-simple-list li {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 12px;
    padding-left: 0;
}

.lead-simple-list li:last-child {
    margin-bottom: 0;
}

/* 処理工程ギャラリー */
.process-gallery {
    margin-bottom: 50px;
}

.process-gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.process-gallery-item {
    text-align: center;
}

.process-gallery-item p {
    margin-top: 12px;
    font-weight: 600;
    color: var(--secondary-color);
}

/* フォトギャラリー（4列グリッド） */
.photo-gallery {
    margin-bottom: 50px;
}

.gallery-grid-4col {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
    aspect-ratio: 3/2;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease, filter 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.08);
    filter: brightness(1.1);
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, 0.3) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover::after {
    opacity: 1;
}

/* プレースホルダー */
.gallery-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #e0e5ec 0%, #c8d0d8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #888;
    font-size: 1.5rem;
    font-weight: 700;
}

/* ライトボックス */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 3rem;
    color: white;
    cursor: pointer;
    transition: transform 0.2s;
}

.lightbox-close:hover {
    transform: scale(1.2);
}

/* レスポンシブ対応 */
@media (max-width: 1024px) {
    .gallery-grid-4col {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .gallery-grid-4col {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
}

/* 設備説明リスト（テキストのみ） */
.equipment-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.equipment-item {
    background-color: white;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 6px 28px rgba(0, 82, 147, 0.10);
    border: 1px solid rgba(0, 82, 147, 0.08);
    position: relative;
    transition: box-shadow 0.25s, transform 0.25s;
}

.equipment-item:hover {
    box-shadow: 0 12px 36px rgba(0, 82, 147, 0.16);
    transform: translateY(-3px);
}

.equipment-item h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 12px;
}

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

.equipment-capacity {
    background: #f0f9ff;
    color: var(--primary-color);
    padding: 12px 16px;
    border-radius: 8px;
    text-align: center;
    font-size: 0.95rem;
    font-weight: 700;
    border: 1px solid rgba(0, 102, 204, 0.1);
}

/* データ消去サービスセクション */
.data-deletion-section {
    background: linear-gradient(135deg, var(--bg-light) 0%, white 100%);
}

.data-deletion-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
    font-size: 1.1rem;
    line-height: 2;
    color: var(--text-color);
}

.data-deletion-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.data-step {
    background-color: white;
    padding: 35px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    position: relative;
}

.data-step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.3rem;
    margin-bottom: 20px;
}

.data-step-content h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 12px;
}

.data-step-content p {
    color: var(--text-light);
    line-height: 1.8;
}

/* 許可取得セクション */
.permits-section {
    background-color: var(--bg-light);
}

.permits-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.permits-description {
    font-size: 1.1rem;
    line-height: 2;
    color: var(--text-color);
    background: linear-gradient(160deg, #e8f4ff 0%, #ffffff 40%);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 6px 28px rgba(0, 82, 147, 0.10);
    border: 1px solid rgba(0, 82, 147, 0.12);
}

/* 施設概要セクション */
.office-info-section {
    background-color: var(--bg-white);
}

.office-info-content {
    max-width: 900px;
    margin: 0 auto;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.info-item {
    background-color: white;
    padding: 25px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
}

.info-item.full-width {
    grid-column: 1 / -1;
}

.info-label {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.info-value {
    font-size: 1.1rem;
    color: var(--text-color);
    font-weight: 500;
}

.handled-waste {
    background-color: white;
    padding: 35px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
}

.handled-waste h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.waste-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.waste-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.95rem;
}

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

.company-info-content {
    max-width: 900px;
    margin: 0 auto;
}

/* お問い合わせセクション */
.contact-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.contact-section .section-title {
    color: white;
}

.contact-section .section-title::after {
    background: white;
}

.contact-section .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.contact-content {
    max-width: 1000px;
    margin: 0 auto;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.contact-method {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s;
}

.contact-method:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.contact-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-icon svg {
    width: 35px;
    height: 35px;
}

.contact-method h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.contact-detail {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    display: block;
    color: white;
    text-decoration: none;
}

.contact-detail:hover {
    text-decoration: underline;
}

.contact-note {
    font-size: 0.9rem;
    opacity: 0.8;
}

.cta-buttons {
    text-align: center;
    margin-top: 50px;
}

/* 事業カテゴリーナビ */
.business-nav {
    background-color: var(--bg-white);
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
}

.business-nav-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
}

.business-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px 20px;
    text-decoration: none;
    color: var(--text-color);
    border-right: 1px solid var(--border-color);
    transition: all 0.3s;
    text-align: center;
}

.business-nav-item:last-child {
    border-right: none;
}

.business-nav-item svg {
    width: 50px;
    height: 50px;
    margin-bottom: 15px;
    stroke: #4a90e2;
    transition: all 0.3s;
}

.business-nav-item span {
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.4;
}

.business-nav-item:hover {
    background-color: var(--bg-light);
}

.business-nav-item:hover svg {
    stroke: var(--primary-color);
    transform: scale(1.1);
}

.business-nav-item.active {
    background-color: #e8f4fd;
}

.business-nav-item.active svg {
    stroke: var(--primary-color);
}

/* フッター */
.footer {
    background-color: #2c3e50;
    color: white;
    padding: 50px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-company h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: white;
}

.footer-company p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.footer-links {
    display: flex;
    gap: 30px;
    align-items: center;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: white;
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* レスポンシブ対応 */
@media (max-width: 1399px) {
    .outline-nav {
        display: none;
    }
}

@media (max-width: 1024px) {

    .header-content {
        flex-wrap: nowrap;
        justify-content: space-between;
    }

    .nav {
        display: none !important;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .workflow-steps {
        max-width: 900px;
        gap: 20px 15px;
    }

    .workflow-step {
        padding: 25px 20px;
    }

    .workflow-step .image-placeholder {
        min-height: 100px;
    }

    .step-content p {
        font-size: 0.9rem;
    }
}

@media (min-width: 1400px) {

    .outline-toggle,
    .outline-panel,
    .outline-overlay {
        display: none;
    }

    .back-to-top {
        right: 24px;
        bottom: 24px;
    }
}

@media (max-width: 768px) {
    .header {
        position: sticky;
        top: 0;
        z-index: 100;
        transform: translateZ(0);
        -webkit-transform: translateZ(0);
    }

    .header-content {
        justify-content: space-between;
        align-items: center;
        padding: 12px 0;
    }

    .logo-image {
        height: 50px;
        max-width: 250px;
        object-fit: contain;
    }

    .nav {
        display: none !important;
    }

    .header-right {
        display: flex;
        justify-content: flex-end;
        align-items: center;
        margin-left: auto;
    }

    .recruit-banner {
        display: none !important;
    }

    .mobile-menu-toggle {
        display: flex;
        margin-left: 0;
    }

    .mobile-nav {
        display: block;
    }

    .hero {
        background-image: none !important;
        padding: 0;
        min-height: auto;
        overflow: visible;
        margin-bottom: 0;
        transform: translateZ(0);
        -webkit-transform: translateZ(0);
    }

    .limited-banner {
        display: inline-flex;
        justify-content: center;
        align-items: center;
        position: relative;
        top: 0;
        left: 50%;
        /* Force center even without width */
        transform: translateX(-50%);
        /* Center align correction */
        right: auto;
        width: auto;
        max-width: 90%;
        margin: 15px 0 20px;
        /* Remove auto margins */
        font-size: 11px;
        padding: 8px 16px;
        white-space: nowrap;
    }

    .limited-text {
        white-space: nowrap;
        text-align: center;
    }

    .hero .container {
        padding: 0;
    }

    .hero-image-pc {
        display: none;
    }

    .hero-image-mobile {
        display: block;
        margin: 0;
        padding: 0;
        line-height: 0;
    }

    .hero-overlay {
        display: none;
    }

    .hero-content {
        padding: 25px 20px 40px;
        background-color: white;
        color: var(--text-dark);
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
        position: relative;
        z-index: 1;
    }

    .renewal-badge {
        font-size: 1.1rem;
        padding: 14px 40px;
        letter-spacing: 3px;
        background: linear-gradient(135deg, #FF6B35 0%, #FF8E53 100%);
        color: white;
        margin-bottom: 25px;
    }

    .renewal-badge::before,
    .renewal-badge::after {
        font-size: 1rem;
    }

    .hero-title {
        font-size: 1.8rem;
        color: var(--primary-color);
        text-shadow: none;
        font-weight: 900;
        line-height: 1.4;
        margin-bottom: 15px;
    }

    .hero-subtitle {
        font-size: 1.2rem;
        color: var(--text-dark);
        opacity: 1;
        text-shadow: none;
        font-weight: 700;
        line-height: 1.6;
        margin-bottom: 25px;
    }

    .hero-catchphrase {
        display: block;
        font-size: 1.3rem;
        font-weight: 700;
        color: var(--primary-color);
        margin-bottom: 20px;
        text-shadow: none;
        line-height: 1.5;
    }

    .hero-description {
        display: none;
        margin: 0;
    }

    .hero-buttons {
        flex-direction: column;
        margin-top: 25px;
        gap: 12px;
        width: 100%;
    }

    .hero-buttons .btn-primary {
        background-color: var(--primary-color);
        color: white;
        border-color: var(--primary-color);
    }

    .hero-buttons .btn-secondary {
        background-color: white;
        color: var(--primary-color);
        border-color: var(--primary-color);
    }

    .hero-details-mobile {
        display: block;
        padding: 30px 0;
    }

    /* リードセクション（モバイル） */
    .lead-section {
        padding: 40px 0;
        position: relative;
        z-index: 2;
        background-color: #f8f9fa;
        transform: translateZ(0);
        -webkit-transform: translateZ(0);
    }

    .lead-heading {
        font-size: 1.6rem;
        margin-bottom: 20px;
        padding: 0 15px;
    }

    .lead-box {
        padding: 25px 20px;
        margin: 0 15px;
    }

    .lead-description {
        font-size: 1rem;
        line-height: 1.8;
        margin-bottom: 20px;
    }

    .benefit-icon {
        font-size: 1.2rem;
    }

    .benefit-text {
        font-size: 0.95rem;
        line-height: 1.6;
    }

    .section-subtitle {
        font-size: 0.95rem;
    }

    .step-number {
        font-size: 0.9rem;
    }

    .step-content p {
        font-size: 1rem;
    }

    .workflow-step .image-placeholder p {
        font-size: 0.85rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .problem-solution-pair {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .problem-box,
    .solution-box {
        padding: 25px 20px;
        min-height: auto;
    }

    .problem-box,
    .solution-box {
        padding-top: 50px;
    }

    .problem-icon,
    .solution-icon {
        top: -20px;
        width: 44px;
        height: 44px;
        font-size: 1.6rem;
    }

    .problem-text,
    .solution-text {
        font-size: 1rem;
    }

    .arrow-down {
        font-size: 2.5rem;
        transform: rotate(90deg);
    }

    @keyframes arrowPulse {

        0%,
        100% {
            transform: rotate(90deg) translateX(0);
        }

        50% {
            transform: rotate(90deg) translateX(10px);
        }
    }

    .workflow-steps {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        gap: 15px;
    }

    .workflow-step:nth-child(1),
    .workflow-step:nth-child(3),
    .workflow-step:nth-child(5),
    .workflow-step:nth-child(7) {
        grid-column: 1;
        grid-row: auto;
    }

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

    .workflow-arrow:nth-child(2),
    .workflow-arrow:nth-child(4),
    .workflow-arrow:nth-child(6) {
        grid-column: 1;
        grid-row: auto;
        transform: rotate(90deg);
    }

    .workflow-step .image-placeholder {
        min-height: 120px;
    }

    .contact-buttons-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .contact-btn {
        min-height: 120px;
    }

    .btn-label {
        font-size: 0.9rem;
    }

    .btn-text {
        font-size: 1.15rem;
    }

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

    .business-nav-item {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

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

    .footer-content {
        flex-direction: column;
        gap: 30px;
    }

    .footer-links {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .logo-image {
        height: 45px;
        max-width: 220px;
        object-fit: contain;
    }

    .hero {
        padding: 0;
    }

    .renewal-badge {
        font-size: 1rem;
        padding: 12px 32px;
        letter-spacing: 2px;
        margin-bottom: 20px;
    }

    .renewal-badge::before,
    .renewal-badge::after {
        font-size: 0.9rem;
        left: 10px;
    }

    .renewal-badge::after {
        right: 10px;
    }

    .hero-title {
        font-size: 1.5rem;
        line-height: 1.3;
        margin-bottom: 12px;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 20px;
    }

    .hero-content {
        padding: 20px 15px 40px;
    }

    .btn {
        padding: 16px 28px;
        font-size: 1.05rem;
        width: 100%;
        display: block;
        font-weight: 600;
    }

    .hero-buttons {
        gap: 15px;
        width: 100%;
        margin-top: 30px;
    }

    .hero-details-mobile {
        padding: 20px 0;
    }

    .hero-details-box {
        padding: 25px 20px;
    }

    .hero-details-box h3 {
        font-size: 1.2rem;
        margin-bottom: 20px;
    }

    .details-intro {
        font-size: 1rem;
        line-height: 1.9;
    }

    .details-list li {
        font-size: 0.95rem;
        line-height: 1.9;
    }

    /* リードセクション（480px以下） */
    .lead-heading {
        font-size: 1.4rem;
    }

    .lead-box {
        padding: 20px 15px;
        margin: 0 10px;
    }

    section {
        padding: 60px 0;
        scroll-margin-top: 80px;
        transform: translateZ(0);
        -webkit-transform: translateZ(0);
        will-change: transform;
    }

    #capabilities {
        scroll-margin-top: 80px;
    }

    .strengths-grid,
    .facilities-grid,
    .contact-methods {
        grid-template-columns: 1fr;
    }

    .recruit-banner-img {
        height: 40px;
    }

    .workflow-step {
        padding: 20px 15px;
    }

    .workflow-step .image-placeholder {
        min-height: 100px;
    }

    .step-content p {
        font-size: 0.85rem;
    }
}

/* アニメーション */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.reason-item,
.strength-card,
.facility-card {
    animation: fadeInUp 0.8s ease-out;
}

/* スムーズスクロール */
html {
    scroll-behavior: smooth;
}

/* 画像プレースホルダー（薄いグレー） */
.image-placeholder {
    background-color: #e8e8e8;
    border: 2px dashed #c0c0c0;
    border-radius: 8px;
    padding: 40px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 200px;
    margin-bottom: 20px;
    transition: all 0.3s;
}

.image-placeholder:hover {
    background-color: #f0f0f0;
    border-color: #a0a0a0;
}

.image-placeholder p {
    color: #888;
    font-size: 0.95rem;
    line-height: 1.6;
    font-weight: 500;
    margin: 0;
}

.image-placeholder.large {
    min-height: 300px;
    padding: 60px 30px;
}

.image-placeholder.extra-large {
    min-height: 400px;
    padding: 80px 40px;
}

.image-placeholder.large p,
.image-placeholder.extra-large p {
    font-size: 1.05rem;
}

/* ヒーローセクション画像プレースホルダー */
.hero-image-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #d0d0d0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 0;
}

.hero-image-placeholder p {
    color: #666;
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 8px;
    max-width: 600px;
    margin: 0 20px;
}

/* サーキュラーエコノミーセクション */
.circular-economy-section {
    background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-light) 100%);
    padding: 100px 0;
}

.circular-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 80px;
    align-items: center;
}

.circular-intro-text h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.circular-intro-text p {
    font-size: 1.1rem;
    line-height: 2;
    margin-bottom: 20px;
    color: var(--text-color);
}

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

.circular-intro-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.circular-benefits {
    margin-bottom: 80px;
}

.subsection-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-color);
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.subsection-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 15px auto 0;
    border-radius: 2px;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.benefit-card {
    background-color: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
}

.benefit-number {
    display: inline-block;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    border-radius: 50%;
    font-size: 1.2rem;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.benefit-card h4 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.benefit-card p {
    color: var(--text-light);
    line-height: 1.8;
}

.circular-stats {
    margin-bottom: 80px;
}

.circular-vision {
    background-color: white;
    border-radius: 16px;
    padding: 50px;
    box-shadow: var(--shadow-md);
}

.vision-content {
    text-align: center;
    margin-bottom: 40px;
}

.vision-content p {
    font-size: 1.2rem;
    line-height: 2;
    color: var(--text-color);
    margin-bottom: 20px;
}

/* 中小企業向けスタイル追加 */
/* お客様のメリット（リデザイン） */
.merit-highlight-box {
    background: linear-gradient(160deg, #e8f4ff 0%, #ffffff 40%);
    border-radius: 16px;
    padding: 35px;
    margin-top: 40px;
    box-shadow: 0 8px 32px rgba(0, 82, 147, 0.10);
    border: 1px solid rgba(0, 82, 147, 0.12);
}

.merit-title {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 15px;
    border-bottom: 1px solid #f0f0f0;
}

.merit-icon {
    font-size: 1.4rem;
}

.merit-points {
    list-style: none;
    padding: 0;
}

.merit-points li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
    gap: 15px;
}

.merit-points li:last-child {
    margin-bottom: 0;
}

.check-mark-wrapper {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #e6f7ff, #f0f9ff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.check-mark {
    display: block;
    width: 6px;
    height: 12px;
    border: solid var(--primary-color);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-top: -2px;
}

.merit-points .text {
    font-size: 1.15rem;
    font-weight: 500;
    line-height: 1.6;
    color: var(--text-color);
}

.merit-points strong {
    color: var(--primary-color);
    background: linear-gradient(transparent 70%, #fff3cd 70%);
    padding: 0 4px;
    font-weight: 700;
}

.merit-points .sub-text {
    font-size: 0.95rem;
    color: #888;
    font-weight: normal;
    display: inline-block;
    margin-top: 4px;
}

.simple-benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.simple-benefit-item {
    background-color: white;
    padding: 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    position: relative;
    padding-top: 70px;
}

.simple-benefit-item .benefit-number {
    position: absolute;
    top: 20px;
    left: 30px;
}

.simple-benefit-item h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 12px;
}

.simple-benefit-item p {
    color: var(--text-light);
    line-height: 1.8;
}

.why-choose-us {
    margin-top: 60px;
    background-color: white;
    padding: 50px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.trust-content {
    max-width: 800px;
    margin: 0 auto;
}

.trust-content p {
    font-size: 1.1rem;
    line-height: 2;
    margin-bottom: 20px;
    color: var(--text-color);
}

.trust-points {
    list-style: none;
    padding: 0;
    margin-top: 30px;
}

.trust-points li {
    padding: 15px 0;
    font-size: 1.1rem;
    line-height: 1.8;
    border-bottom: 1px solid var(--border-color);
}

.trust-points li:last-child {
    border-bottom: none;
}

/* ワークフローセクションの追加スタイル */
.workflow-visual {
    margin-bottom: 40px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.workflow-visual .extra-large {
    min-height: 200px;
}

/* 施設設備セクションの追加スタイル */
.facilities-overview {
    margin-bottom: 50px;
}

.facility-description {
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.8;
}

.facility-capacity {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-top: 15px;
    padding: 15px;
    background-color: #e8f4fd;
    border-radius: 8px;
    text-align: center;
}

.facilities-gallery {
    margin-top: 60px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

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

.gallery-item p {
    font-weight: 600;
    color: var(--secondary-color);
    margin-top: 15px;
}

/* 施設概要セクションの追加スタイル */
.office-info-visual {
    margin-bottom: 50px;
}

.office-map-container {
    margin-bottom: 30px;
}

.office-photos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.access-info {
    margin-top: 40px;
}

.access-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 25px;
}

/* 会社概要セクションの追加スタイル */
.company-visual {
    margin-bottom: 50px;
}

.company-achievements {
    margin-top: 40px;
}

.company-achievements h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 25px;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    align-items: stretch;
}

.achievements-grid>div {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.achievements-grid>div>a {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.achievement-media {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 !important;
    width: 100%;
    aspect-ratio: 1 / 1;
}

.achievement-media img {
    max-height: 100%;
    width: 100%;
    height: 100%;
    display: block;
    object-fit: contain;
}

/* お問い合わせセクションの追加スタイル */
.contact-visual {
    margin-bottom: 40px;
}

.contact-intro {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: white;
    font-weight: 500;
}

.consultation-box {
    background-color: #fff3cd;
    border-radius: 16px;
    padding: 35px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-md);
}

.consultation-box h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 20px;
    text-align: center;
}

.consultation-examples {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
}

.consultation-examples li {
    padding: 15px 0;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
    border-bottom: 1px dashed #ccc;
}

.consultation-examples li:last-child {
    border-bottom: none;
}

.consultation-note {
    text-align: center;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-top: 20px;
    margin-bottom: 0;
}

.contact-buttons-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto 60px;
}

@media (max-width: 768px) {
    .contact-buttons-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

.contact-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 15px 20px;
    border-radius: 8px;
    text-decoration: none;
    color: white;
    font-weight: 700;
    transition: all 0.3s;
    text-align: center;
}

.contact-btn svg {
    width: 36px;
    height: 36px;
    margin-bottom: 8px;
}

.contact-btn-phone {
    background-color: #4a90e2;
}

.contact-btn-phone:hover {
    background-color: #357abd;
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(74, 144, 226, 0.4);
}

.contact-btn-email {
    background-color: #e74c3c;
}

.contact-btn-email:hover {
    background-color: #c0392b;
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(231, 76, 60, 0.4);
}

.contact-btn-request {
    background-color: #27ae60;
}

.contact-btn-request:hover {
    background-color: #229954;
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(39, 174, 96, 0.4);
}

.btn-number {
    font-size: 1.8rem;
    font-weight: 900;
    margin-bottom: 10px;
    display: block;
}

.btn-label {
    font-size: 0.85rem;
    font-weight: 400;
    opacity: 0.9;
}

.btn-text {
    font-size: 1.2rem;
}

.facility-visit {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 16px;
    margin-top: 40px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.facility-visit h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 25px;
    text-align: left;
    grid-column: 1 / -1;
}

.facility-visit .feature-image {
    order: 2;
}

.facility-visit .visit-text {
    order: 1;
}

.visit-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.visit-text p {
    margin-bottom: 15px;
    line-height: 1.8;
}

.visit-text ul {
    list-style: none;
    padding: 0;
    margin-top: 20px;
}

.visit-text ul li {
    padding: 12px 0;
    font-weight: 500;
    font-size: 1.05rem;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.3);
}

.visit-text ul li:last-child {
    border-bottom: none;
}

/* レスポンシブ調整の追加 */
@media (max-width: 968px) {
    .circular-intro {
        grid-template-columns: 1fr;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .visit-info {
        grid-template-columns: 1fr;
    }

    .office-photos {
        grid-template-columns: 1fr;
    }

    .facility-visit {
        grid-template-columns: 1fr;
    }

    .facility-visit .feature-image,
    .facility-visit .visit-text {
        order: unset;
    }
}

@media (max-width: 768px) {
    .circular-intro-text h3 {
        font-size: 1.5rem;
    }

    .subsection-title {
        font-size: 1.5rem;
    }

    .circular-vision {
        padding: 30px 20px;
    }

    .vision-content p {
        font-size: 1rem;
    }

    .image-placeholder {
        min-height: 150px;
        padding: 30px 15px;
    }

    .image-placeholder.large {
        min-height: 200px;
        padding: 40px 20px;
    }

    .image-placeholder.extra-large {
        min-height: 250px;
        padding: 50px 25px;
    }

    .image-placeholder p {
        font-size: 0.85rem;
    }
}

/* ギャラリーライトボックス */
.gallery-lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    cursor: pointer;
}

.gallery-lightbox.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: white;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10000;
    transition: color 0.3s;
}

.lightbox-close:hover {
    color: #ccc;
}

.lightbox-image {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    cursor: default;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
}

@media (max-width: 768px) {
    .lightbox-close {
        top: 10px;
        right: 20px;
        font-size: 30px;
    }

    .lightbox-image {
        max-width: 95%;
        max-height: 95%;
    }
}

@media (max-width: 768px) {
    html {
        scroll-behavior: auto;
    }

    *, *::before, *::after {
        animation: none !important;
        transition: none !important;
    }

    section {
        transform: none;
        will-change: auto;
    }

    .mobile-menu-toggle span {
        transition: all 0.3s !important;
    }

    .mobile-nav {
        transition: max-height 0.3s ease !important;
    }

    .mobile-nav a {
        transition: background-color 0.3s !important;
    }

    .outline-panel {
        transition: transform 0.3s ease !important;
    }

    .outline-overlay {
        transition: opacity 0.2s ease !important;
    }

    .back-to-top {
        transition: opacity 0.2s ease, transform 0.2s ease !important;
    }

    .limited-banner {
        animation: bannerFlash 2.4s ease-out 0.1s 1 both, bannerGlow 1.6s ease-in-out 0.1s 2 !important;
    }

    .limited-banner::before {
        animation: sparkleLeft 1.8s ease-out 0.1s 1 both !important;
    }

    .limited-banner::after {
        animation: sparkleRight 1.8s ease-out 0.25s 1 both !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *, *::before, *::after {
        animation: none !important;
        transition: none !important;
    }
}