/**
 * Technology Page Styles - Takamatsu Mekki Kogyo
 * 技術紹介ページ専用スタイル - モダンなインダストリアルデザイン
 */

@layer pages {

/* ========================================
   Design Tokens - Technology Page
======================================== */
:root {
    /* Technology Brand Colors */
    --tech-primary: #059669;
    --tech-accent: #ea580c; 
    --tech-secondary: #0f172a;
    --tech-highlight: #f59e0b;
    
    /* Background Colors */
    --tech-bg-primary: #ffffff;
    --tech-bg-secondary: #f8fafc;
    --tech-bg-dark: #1e293b;
    --tech-bg-gradient: linear-gradient(135deg, #059669 0%, #047857 100%);
    
    /* Text Colors */
    --tech-text-primary: #1f2937;
    --tech-text-secondary: #6b7280;
    --tech-text-light: #9ca3af;
    --tech-text-white: #ffffff;
    
    /* Spacing */
    --tech-section-padding: clamp(4rem, 8vw, 8rem);
    --tech-container-padding: clamp(2rem, 4vw, 4rem);
    --tech-grid-gap: clamp(2rem, 4vw, 3rem);
    
    /* Border Radius */
    --tech-radius-sm: 0.5rem;
    --tech-radius: 1rem;
    --tech-radius-lg: 1.5rem;
    
    /* Shadows */
    --tech-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --tech-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --tech-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* ========================================
   Technology Page Hero Extensions
   （基本のtech-heroスタイルはhero-sections.cssを使用）
======================================== */

/* シンプルなバッジデザイン */
.tech-hero__badge {
    display: inline-block;
    padding: 1.2rem 2.4rem;
    background: rgba(5, 150, 105, 0.15);
    border: 1px solid rgba(5, 150, 105, 0.3);
    border-radius: 50px;
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-sm);
    font-weight: 500;
    letter-spacing: 0.5px;
    margin-bottom: 3rem;
    backdrop-filter: blur(10px);
}

/* tech-hero__title and tech-hero__subtitle are now handled by hero-sections.css */

/* 技術統計情報 */
.tech-hero__stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 3rem;
    max-width: 80rem;
    margin-top: 4rem;
}

.stat-item {
    text-align: center;
    padding: 2rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.stat-item:hover {
    background: rgba(5, 150, 105, 0.1);
    border-color: rgba(5, 150, 105, 0.3);
    transform: translateY(-2px);
}

.stat-number {
    font-size: clamp(2.4rem, 4vw, 3.6rem);
    font-weight: 700;
    color: var(--tech-text-primary);
    margin-bottom: 0.8rem;
    display: block;
}

.stat-label {
    font-size: 1.4rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Hero Responsive */
@media (max-width: 768px) {
    .tech-hero__stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
        margin-top: 3rem;
    }
    
    .stat-item {
        padding: 1.5rem 1rem;
    }
    
    .stat-number {
        font-size: clamp(2rem, 5vw, 2.8rem);
    }
    
    .stat-label {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .tech-hero__stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* ========================================
   Company Philosophy Section (技術概要) - About Page Style
======================================== */
.main-content .company-philosophy {
    padding: var(--tech-section-padding) 0;
    background: var(--tech-bg-secondary);
}

.philosophy-container {
    max-width: min(140rem, 95vw);
    margin: 0 auto;
    padding: 0 var(--tech-container-padding);
}

.philosophy-intro {
    text-align: center;
    max-width: 80rem;
    margin: 0 auto var(--tech-grid-gap);
}

.philosophy-intro h2 {
    font-size: clamp(3.2rem, 6vw, 5.6rem);
    font-weight: 800;
    color: var(--tech-text-primary);
    margin-bottom: var(--tech-grid-gap);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.philosophy-intro p {
    font-size: clamp(1.6rem, 2.4vw, 2rem);
    color: var(--tech-text-secondary);
    line-height: 1.6;
    font-weight: 400;
    margin-bottom: 0;
}

.philosophy-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: calc(var(--tech-grid-gap) * 3);
    max-width: 140rem;
    margin: 0 auto;
}

.philosophy-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--tech-grid-gap) * 1.5);
    align-items: center;
    min-height: 50rem;
    position: relative;
}

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

.philosophy-item--reverse .philosophy-content {
    order: 2;
}

.philosophy-item--reverse .philosophy-image {
    order: 1;
}

.philosophy-content {
    padding: calc(var(--tech-grid-gap) * 1.5);
    position: relative;
}

.philosophy-number {
    position: absolute;
    top: -1rem;
    left: 0;
    font-size: clamp(6rem, 8vw, 10rem);
    font-weight: 900;
    color: rgba(5, 150, 105, 0.1);
    line-height: 1;
    z-index: 1;
    pointer-events: none;
}

.philosophy-title {
    font-size: clamp(2.8rem, 4vw, 4rem);
    font-weight: 800;
    color: var(--tech-text-primary);
    margin-bottom: 2rem;
    line-height: 1.1;
    letter-spacing: -0.02em;
    position: relative;
    z-index: 2;
}

.philosophy-description {
    font-size: clamp(1.6rem, 1.8vw, 1.9rem);
    color: var(--tech-text-secondary);
    line-height: 1.7;
    margin-bottom: 3rem;
    font-weight: 400;
}

.philosophy-specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.spec-item {
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    background: var(--tech-bg-primary);
    border: 1px solid #e5e5e5;
}

.spec-label {
    font-size: 1.2rem;
    color: var(--tech-text-primary) !important;
    font-weight: 500;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.spec-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--tech-primary);
}

.philosophy-image {
    position: relative;
    height: 45rem;
    background: linear-gradient(135deg, var(--tech-bg-secondary) 0%, #f0f9f5 100%);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(5, 150, 105, 0.1);
}

.image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 1.5rem;
}

.image-icon {
    font-size: 6rem;
    line-height: 1;
    opacity: 0.7;
}

.image-placeholder span {
    font-size: 1.6rem;
    color: var(--tech-text-secondary);
    font-weight: 500;
}

/* Philosophy Responsive */
@media (max-width: 768px) {
    .philosophy-item,
    .philosophy-item--reverse {
        grid-template-columns: 1fr;
        gap: 2rem;
        min-height: auto;
    }
    
    .philosophy-item--reverse .philosophy-content,
    .philosophy-item--reverse .philosophy-image {
        order: initial;
    }
    
    .philosophy-content {
        padding: 2rem;
    }
    
    .philosophy-number {
        font-size: clamp(4rem, 10vw, 6rem);
        top: -0.5rem;
    }
    
    .philosophy-specs {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .philosophy-image {
        height: 30rem;
    }
    
    .image-icon {
        font-size: 4rem;
    }
}

.philosophy-image img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover;
    object-position: center center;
    transition: transform 0.3s ease;
    display: block;
}

.philosophy-item:hover .philosophy-image img {
    transform: scale(1.02);
}

/* Mobile responsive for philosophy section */
@media (max-width: 768px) {
    .philosophy-item,
    .philosophy-item:nth-child(even) {
        grid-template-columns: 1fr;
        gap: calc(var(--tech-grid-gap) * 0.75);
        min-height: auto;
    }
    
    .philosophy-item:nth-child(even) .philosophy-content,
    .philosophy-item:nth-child(even) .philosophy-image {
        order: unset;
    }
    
    .philosophy-image {
        height: 25rem;
    }
    
    .philosophy-content {
        padding: calc(var(--tech-grid-gap) * 0.75);
    }
}

/* ========================================
   Precious Metals Technology Section (貴金属めっき技術)
======================================== */
.precious-metals-tech {
    padding: var(--tech-section-padding) 0;
    background: var(--tech-text-primary);
    color: var(--tech-text-white);
}

.precious-metals-container {
    max-width: min(140rem, 95vw);
    margin: 0 auto;
    padding: 0 var(--tech-container-padding);
}

.section-header {
    text-align: center;
    margin-bottom: calc(var(--tech-grid-gap) * 2);
}

.precious-metals-tech .section-header h2 {
    font-size: clamp(3.2rem, 6vw, 5.6rem);
    font-weight: 800;
    color: var(--tech-text-white) !important;
    margin-bottom: 2rem;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: clamp(1.6rem, 2.4vw, 2rem);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

/* Metal Samples Showcase */
.metals-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: calc(var(--tech-grid-gap) * 2);
}

.metal-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2.5rem 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.metal-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.metal-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.metal-sample {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.metal-sample.gold {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 50%, #ffc107 100%);
    box-shadow: 0 0 30px rgba(255, 215, 0, 0.4);
}

.metal-sample.palladium {
    background: linear-gradient(135deg, #c0c0c0 0%, #e8e8e8 50%, #b8b8b8 100%);
    box-shadow: 0 0 30px rgba(192, 192, 192, 0.4);
}

.metal-sample.platinum {
    background: linear-gradient(135deg, #e5e4e2 0%, #ffffff 50%, #d3d3d3 100%);
    box-shadow: 0 0 30px rgba(229, 228, 226, 0.4);
}

.metal-sample.copper {
    background: linear-gradient(135deg, #b87333 0%, #cd7f32 50%, #a0522d 100%);
    box-shadow: 0 0 30px rgba(184, 115, 51, 0.4);
}

.metal-sample.nickel {
    background: linear-gradient(135deg, #f8f8ff 0%, #ffffff 30%, #e6e6fa 70%, #dcdcdc 100%);
    box-shadow: 0 0 30px rgba(248, 248, 255, 0.6);
}

.sample-shine {
    position: absolute;
    top: 10%;
    left: 20%;
    width: 30%;
    height: 30%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.6) 0%, transparent 70%);
    border-radius: 50%;
    animation: shine 3s ease-in-out infinite;
}

@keyframes shine {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

.metal-label {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--tech-text-white);
    text-align: center;
    padding: 0.8rem 1.6rem;
    background: rgba(5, 150, 105, 0.2);
    border-radius: 20px;
    border: 1px solid rgba(5, 150, 105, 0.3);
}

.metal-info {
    width: 100%;
}

.precious-metals-tech .metal-title {
    font-size: clamp(1.8rem, 2.5vw, 2.2rem);
    font-weight: 700;
    color: var(--tech-text-white) !important;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.precious-metals-tech .metal-description {
    font-size: clamp(1.3rem, 1.5vw, 1.4rem);
    color: rgba(255, 255, 255, 0.8) !important;
    line-height: 1.5;
    margin-bottom: 1.5rem;
    text-align: left;
}

.metal-specs {
    display: grid;
    gap: 0.8rem;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 1.2rem;
}

.precious-metals-tech .spec-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7) !important;
    min-width: 60px;
}

.precious-metals-tech .spec-value {
    font-size: 1.2rem;
    color: var(--tech-text-white) !important;
    text-decoration: none !important;
    text-align: right;
    max-width: 65%;
}

/* Tech Advantages */
.tech-advantages {
    text-align: center;
    margin-top: calc(var(--tech-grid-gap) * 2);
}

.tech-advantages h3 {
    font-size: clamp(2.4rem, 4vw, 3.2rem);
    font-weight: 700;
    color: var(--tech-text-white);
    margin-bottom: 3.5rem;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    max-width: 120rem;
    margin: 0 auto;
}

.advantage-item {
    text-align: center;
    padding: 3rem 2rem;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.advantage-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.advantage-item:hover::before {
    transform: scaleX(1);
}

.advantage-item:hover {
    background: rgba(5, 150, 105, 0.12);
    border-color: rgba(5, 150, 105, 0.4);
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.precious-metals-tech .advantage-item h4 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--tech-text-white) !important;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.precious-metals-tech .advantage-item p {
    font-size: 1.6rem;
    color: rgba(255, 255, 255, 0.85) !important;
    line-height: 1.6;
    margin: 0;
    font-weight: 400;
}

/* Precious Metals Responsive */
@media (max-width: 768px) {
    .metals-showcase {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .metal-item {
        padding: 2rem;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 1024px) and (min-width: 769px) {
    .metals-showcase {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .metal-item {
        flex-direction: row;
        text-align: left;
        gap: 2rem;
    }
    
    .metal-visual {
        flex-shrink: 0;
        margin-bottom: 0;
    }
}

@media (max-width: 480px) {
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .metal-sample {
        width: 80px;
        height: 80px;
    }
    
    .metal-label {
        font-size: 1.6rem;
        padding: 0.6rem 1.2rem;
    }
}

.certification-details strong {
    color: var(--tech-text-primary);
    font-weight: 600;
}

/* ========================================
   BEM Quality Certifications Classes Support
======================================== */
.quality-certifications__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--tech-container-padding);
}

.quality-certifications__title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 700;
    color: var(--tech-text-primary);
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}


.quality-certifications__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--tech-grid-gap);
    margin-bottom: 3rem;
}

.quality-certifications__section {
    background: var(--tech-bg-primary);
    padding: 2.5rem;
    border-radius: var(--tech-radius-lg);
    box-shadow: var(--tech-shadow);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

.quality-certifications__section:hover {
    transform: translateY(-5px);
    box-shadow: var(--tech-shadow-xl);
    border-color: var(--tech-primary);
}

.quality-certifications__section-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--tech-text-primary);
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 0.5rem;
}


.quality-certifications__items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.quality-certifications__item {
    padding: 1.5rem;
    background: var(--tech-bg-secondary);
    border-radius: var(--tech-radius);
    transition: all 0.3s ease;
}

.quality-certifications__item:hover {
    background: var(--tech-bg-primary);
    transform: translateX(5px);
    box-shadow: var(--tech-shadow);
}

.quality-certifications__item-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--tech-text-primary);
    margin-bottom: 0.75rem;
}

.quality-certifications__description {
    color: var(--tech-text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

.quality-certifications__applications {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-top: 2rem;
}

.quality-certifications__tag {
    background: linear-gradient(135deg, var(--tech-primary) 0%, #06b6d4 100%);
    color: var(--tech-text-primary);
    padding: 1.2rem 2.4rem;
    border-radius: 30px;
    font-size: clamp(1.4rem, 1.6vw, 1.6rem);
    font-weight: 700;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: inline-block;
    margin: 0.7rem 0.5rem;
    box-shadow: 0 6px 20px rgba(5, 150, 105, 0.3);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.02em;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.quality-certifications__tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.quality-certifications__tag:hover {
    background: linear-gradient(135deg, var(--tech-accent) 0%, #8b5cf6 100%);
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 12px 32px rgba(5, 150, 105, 0.5);
}

.quality-certifications__tag:hover::before {
    left: 100%;
}

/* ========================================
   Leadership Team Section (電着塗装技術)
======================================== */
.leadership-team {
    padding: var(--tech-section-padding) 0;
    background: var(--tech-bg-primary);
}

.team-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 var(--tech-container-padding);
}

.team-header h2 {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 700;
    color: var(--tech-text-primary);
    margin-bottom: 1rem;
    position: relative;
}


.team-header p {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--tech-text-secondary);
    line-height: 1.6;
}

.team-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto 4rem;
    padding: 0 var(--tech-container-padding);
}

.team-member {
    background: var(--tech-bg-secondary);
    border-radius: var(--tech-radius-lg);
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: var(--tech-shadow-lg);
    border-color: var(--tech-primary);
}

.member-photo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    border: 3px solid var(--tech-primary);
}

.color-sample.pink {
    background: linear-gradient(135deg, #f472b6, #ec4899);
}

.color-sample.violet {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.color-sample.brown {
    background: linear-gradient(135deg, #a3a3a3, #737373);
}

.color-sample.black {
    background: linear-gradient(135deg, #374151, #1f2937);
}

.member-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--tech-text-primary);
    margin-bottom: 0.5rem;
}

.member-role {
    color: var(--tech-primary);
    font-weight: 500;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.member-bio {
    color: var(--tech-text-secondary);
    line-height: 1.5;
    font-size: 0.9rem;
}

.tech-features {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--tech-container-padding);
}

.tech-features h3 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--tech-text-primary);
    text-align: center;
    margin-bottom: 2rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: calc(var(--tech-grid-gap) * 1.2);
}

.feature-item {
    text-align: center;
    padding-bottom: calc(var(--tech-grid-gap) * 0.5);
    border-bottom: 1px solid rgba(5, 150, 105, 0.1);
}

.feature-item h4 {
    font-size: clamp(1.4rem, 1.5vw, 1.6rem);
    font-weight: 700;
    color: var(--tech-text-primary);
    margin-bottom: 1rem;
}

.feature-item p {
    color: var(--tech-text-secondary);
    line-height: 1.5;
    font-size: clamp(1.2rem, 1.3vw, 1.4rem);
    margin: 0 0 1rem 0;
}

.feature-spec {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--tech-primary);
    background: rgba(76, 175, 80, 0.1);
    padding: 6px 12px;
    border-radius: 16px;
    display: inline-block;
    margin-top: 0.5rem;
}

/* Process Flow */
.process-flow {
    margin-bottom: 80px;
}

.process-flow h3 {
    font-size: clamp(2.4rem, 4vw, 3.2rem);
    font-weight: 700;
    color: var(--tech-text-primary);
    margin-bottom: 4rem;
    text-align: center;
}

.process-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 50px;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.process-step {
    text-align: center;
    min-width: 200px;
    padding: 25px 20px;
    background: #fff;
    border: 1px solid var(--tech-border-color, rgba(0, 0, 0, 0.1));
    border-radius: 12px;
    position: relative;
    transition: all 0.3s ease;
}

.process-step:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--tech-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.6rem;
    margin: 0 auto 15px;
}

.process-step h4 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--tech-text-primary);
    margin-bottom: 8px;
}

.process-step p {
    font-size: 1.3rem;
    color: var(--tech-text-secondary, #666);
    line-height: 1.5;
}

.process-arrow {
    font-size: 2rem;
    color: var(--tech-primary);
    font-weight: 700;
}

.process-cta {
    text-align: center;
    padding: 40px 20px;
    background: var(--tech-accent-bg, rgba(76, 175, 80, 0.05));
    border-radius: 12px;
    border: 1px solid var(--tech-border-color, rgba(0, 0, 0, 0.1));
}

.cta-text {
    font-size: 1.6rem;
    color: var(--tech-text-secondary, #666);
    margin-bottom: 20px;
}

.process-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--tech-primary);
    text-decoration: none;
    padding: 12px 24px;
    border: 2px solid var(--tech-primary);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.process-link:hover {
    background: var(--tech-primary);
    color: white;
}

.link-arrow {
    font-weight: 700;
    transition: transform 0.3s ease;
}

.process-link:hover .link-arrow {
    transform: translateX(5px);
}

/* Philosophy CTA Button */
.philosophy-cta-button {
    background: linear-gradient(135deg, var(--tech-primary), #059669);
    color: white !important;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 1.4rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
    margin-top: 15px;
}

.philosophy-cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(76, 175, 80, 0.4);
    background: linear-gradient(135deg, #059669, var(--tech-primary));
    color: white !important;
    text-decoration: none;
}

.philosophy-cta-button .button-arrow {
    font-size: 1.2rem;
    font-weight: 700;
    transition: transform 0.3s ease;
}

.philosophy-cta-button:hover .button-arrow {
    transform: translateX(3px);
}

/* Mobile Responsive for Process Flow */
@media (max-width: 768px) {
    .process-steps {
        flex-direction: column;
        align-items: center;
    }
    
    .process-arrow {
        transform: rotate(90deg);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: calc(var(--tech-grid-gap) * 0.8);
    }
    
    .process-step {
        min-width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .features-grid {
        grid-template-columns: 1fr;
        gap: calc(var(--tech-grid-gap) * 0.6);
    }
}

/* ========================================
   Company Info Section (難素材対応技術)
======================================== */
.company-info {
    padding: var(--tech-section-padding) 0;
    background: var(--tech-bg-secondary);
}

.company-info-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--tech-container-padding);
    text-align: center;
}

.company-info h2 {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 700;
    color: var(--tech-text-primary);
    margin-bottom: 2rem;
    position: relative;
}


.company-info p {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--tech-text-secondary);
    line-height: 1.7;
    max-width: 800px;
    margin: 0 auto;
}

/* ========================================
   Info Grid Components Support
======================================== */
.info-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: calc(var(--tech-grid-gap) * 2);
    margin-top: 3rem;
    max-width: 80rem;
    margin-left: auto;
    margin-right: auto;
}

.info-item,
.info-card {
    padding: calc(var(--tech-grid-gap) * 1.5) 0;
    border-bottom: 2px solid rgba(5, 150, 105, 0.1);
}

.info-item h3,
.info-card-title {
    font-size: clamp(2rem, 2.4vw, 2.4rem);
    font-weight: 700;
    color: var(--tech-text-primary);
    margin-bottom: calc(var(--tech-grid-gap) * 0.75);
}


.info-item p,
.info-card p {
    color: var(--tech-text-secondary);
    line-height: 1.7;
    margin-bottom: calc(var(--tech-grid-gap) * 0.75);
    font-size: clamp(1.5rem, 1.7vw, 1.7rem);
    text-align: left;
}

.info-details {
    font-size: clamp(1.3rem, 1.4vw, 1.4rem);
    line-height: 1.6;
    color: var(--tech-text-secondary);
    margin-top: calc(var(--tech-grid-gap) * 0.5);
}

.info-details strong {
    color: var(--tech-text-primary);
    font-weight: 600;
}

.info-card {
    background: var(--tech-bg-primary);
    padding: 2.5rem;
    border-radius: var(--tech-radius-lg);
    box-shadow: var(--tech-shadow);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    text-align: center;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--tech-shadow-xl);
    border-color: var(--tech-primary);
}

.info-card-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--tech-text-primary);
    margin-bottom: 1.5rem;
    position: relative;
}

.info-card p {
    color: var(--tech-text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.info-button {
    display: inline-block;
    background: var(--tech-primary);
    color: var(--tech-text-primary);
    padding: 0.75rem 2rem;
    border-radius: var(--tech-radius);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.info-button:hover {
    background: var(--tech-accent);
    transform: translateY(-2px);
    box-shadow: var(--tech-shadow);
    color: var(--tech-text-primary);
    text-decoration: none;
}

.contact-tel {
    margin: 1rem 0;
}

.contact-tel a {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--tech-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-tel a:hover {
    color: var(--tech-accent);
}

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 768px) {
    :root {
        --tech-section-padding: clamp(2rem, 6vw, 4rem);
        --tech-container-padding: 1rem; /* 統一された余白 */
        --tech-grid-gap: 1.5rem;
    }
    
    /* モバイル横余白統一 - 1remで統一 */
    .l-container,
    .tech-content,
    .philosophy-content,
    .process-content,
    .quality-content,
    .certifications-content {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }
    
    /* セクションの横余白調整 */
    .tech-hero,
    .philosophy,
    .electrocoating,
    .hard-anodizing,
    .powder-coating,
    .process,
    .quality {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .philosophy-list,
    .certifications-list,
    .team-content,
    .features-grid,
    .info-grid,
    .quality-certifications__grid,
    .tech-category-grid,
    .tech-cards-grid,
    .faq-cards-grid {
        grid-template-columns: 1fr;
    }
    
    /* フィルタシステムのレスポンシブ対応 */
    .filter-tabs {
        flex-wrap: wrap;
        gap: 0.25rem;
        padding: 0.25rem;
    }
    
    .filter-tab {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
        min-width: auto;
    }
    
    .filter-options {
        padding: 1.5rem;
    }
    
    .filter-group-title {
        font-size: 1.1rem;
    }
    
    .filter-tags {
        gap: 0.5rem;
    }
    
    .filter-tag {
        font-size: 0.85rem;
        padding: 0.4rem 0.8rem;
    }
    
    /* 新セクションのレスポンシブ対応 */
    .faq-card {
        padding: 1.5rem;
    }
    
    .philosophy-item,
    .certification-item,
    .team-member,
    .feature-item,
    .info-item,
    .info-card,
    .quality-certifications__section,
    .tech-category-card {
        padding: 1.5rem;
    }
    
    .tech-category-grid {
        gap: 1.5rem;
        margin-top: 2rem;
    }
    
    .category-icon {
        width: 60px;
        height: 60px;
    }
    
    .category-icon img {
        width: 30px;
        height: 30px;
    }
    
    .category-title {
        font-size: 1.2rem;
    }
    
    .hero--technology {
        min-height: 60vh;
    }
    
    .hero--technology .hero__content {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .philosophy-item,
    .certification-item,
    .info-item,
    .info-card,
    .quality-certifications__section,
    .tech-category-card {
        padding: 1.25rem;
    }
    
    
    .member-photo {
        width: 60px;
        height: 60px;
    }
    
    .quality-certifications__grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    /* モバイル用フィルタスタイル */
    .filter-tabs {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .filter-tab {
        width: 100%;
        text-align: center;
        padding: 0.75rem;
    }
    
    .filter-options {
        padding: 1rem;
        margin: 1rem 0;
    }
    
    .filter-group {
        margin-bottom: 1.5rem;
    }
    
    .filter-group-title {
        font-size: 1rem;
        padding-left: 0.8rem;
    }
    
    .filter-group-title::before {
        width: 3px;
        height: 16px;
    }
    
    .filter-tag {
        font-size: 0.8rem;
        padding: 0.3rem 0.6rem;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .contact-tel a {
        font-size: 1.5rem;
    }
}

/* ========================================
   Technology Category Cards Section
======================================== */
.tech-category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    padding: 0 var(--tech-container-padding);
}

.tech-category-card {
    background: var(--tech-bg-primary);
    border-radius: var(--tech-radius-lg);
    padding: 2.5rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid #e5e7eb;
    box-shadow: var(--tech-shadow);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}


.tech-category-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--tech-shadow-xl);
    border-color: var(--tech-primary);
}

.tech-category-card[data-category="plating"]:hover {
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.02) 0%, var(--tech-bg-primary) 100%);
}

.tech-category-card[data-category="electrocoating"]:hover {
    background: linear-gradient(135deg, rgba(234, 88, 12, 0.02) 0%, var(--tech-bg-primary) 100%);
}

.tech-category-card[data-category="difficult-materials"]:hover {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.02) 0%, var(--tech-bg-primary) 100%);
}

.category-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--tech-bg-secondary);
    border-radius: 50%;
    transition: all 0.3s ease;
    position: relative;
}

.category-icon::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(45deg, var(--tech-primary), var(--tech-accent), var(--tech-highlight));
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tech-category-card:hover .category-icon::before {
    opacity: 1;
}

.tech-category-card:hover .category-icon {
    transform: scale(1.1) rotate(5deg);
    background: var(--tech-bg-primary);
}

.category-icon img {
    width: 40px;
    height: 40px;
    filter: contrast(0) sepia(1) hue-rotate(140deg) saturate(5) brightness(0.8);
    transition: all 0.3s ease;
}

.tech-category-card:hover .category-icon img {
    filter: contrast(1) sepia(0) hue-rotate(0deg) saturate(1) brightness(1);
    transform: scale(1.1);
}

.category-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--tech-text-primary);
    margin-bottom: 1rem;
    transition: color 0.3s ease;
}

.tech-category-card:hover .category-title {
    color: var(--tech-primary);
}

.category-description {
    font-size: 1rem;
    color: var(--tech-text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.5;
    font-weight: 500;
}

.category-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.category-tags .tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--tech-bg-secondary);
    color: var(--tech-text-secondary);
    border-radius: var(--tech-radius);
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.tech-category-card[data-category="plating"] .tag:hover {
    background: rgba(5, 150, 105, 0.1);
    color: var(--tech-primary);
    border-color: var(--tech-primary);
}

.tech-category-card[data-category="electrocoating"] .tag:hover {
    background: rgba(234, 88, 12, 0.1);
    color: var(--tech-accent);
    border-color: var(--tech-accent);
}

.tech-category-card[data-category="difficult-materials"] .tag:hover {
    background: rgba(245, 158, 11, 0.1);
    color: var(--tech-highlight);
    border-color: var(--tech-highlight);
}

/* セクションタイトルのスタイリング */
.c-section-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 700;
    color: var(--tech-text-primary);
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
}


/* ========================================
   Technology Filter System
======================================== */
/* フィルタタブ */
.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin: 2rem 0;
    padding: 0.5rem;
    background: var(--tech-bg-secondary);
    border-radius: var(--tech-radius-lg);
    box-shadow: var(--tech-shadow);
}

.filter-tab {
    padding: 1rem 2rem;
    background: transparent;
    border: none;
    border-radius: var(--tech-radius);
    color: var(--tech-text-secondary);
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    min-width: 100px;
}

.filter-tab::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--tech-primary), var(--tech-accent));
    border-radius: 2px;
    transition: width 0.3s ease;
}

.filter-tab:hover {
    color: var(--tech-text-primary);
    background: rgba(var(--tech-primary-rgb), 0.05);
    transform: translateY(-2px);
}

.filter-tab.active {
    color: var(--tech-primary);
    background: var(--tech-bg-primary);
    box-shadow: var(--tech-shadow);
    font-weight: 600;
}

.filter-tab.active::before {
    width: 80%;
}

/* フィルタオプション */
.filter-options {
    background: var(--tech-bg-primary);
    border-radius: var(--tech-radius-lg);
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: var(--tech-shadow);
    border: 1px solid #e5e7eb;
}

.filter-group {
    margin-bottom: 2rem;
}

.filter-group:last-child {
    margin-bottom: 0;
}

.filter-group-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--tech-text-primary);
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1rem;
}

.filter-group-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: linear-gradient(45deg, var(--tech-primary), var(--tech-accent));
    border-radius: 2px;
}

.filter-group[data-group="substrate"] .filter-group-title::before {
    background: linear-gradient(45deg, var(--tech-primary), #34d399);
}

.filter-group[data-group="function"] .filter-group-title::before {
    background: linear-gradient(45deg, var(--tech-accent), #f59e0b);
}

.filter-group[data-group="process"] .filter-group-title::before {
    background: linear-gradient(45deg, var(--tech-highlight), #8b5cf6);
}

/* フィルタタグ */
.filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.filter-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background: var(--tech-bg-secondary);
    color: var(--tech-text-secondary);
    border-radius: var(--tech-radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.filter-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.filter-tag:hover::before {
    left: 100%;
}

.filter-tag:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--tech-shadow-lg);
}

/* 基材タグ */
.filter-group[data-group="substrate"] .filter-tag:hover {
    background: rgba(5, 150, 105, 0.1);
    color: var(--tech-primary);
    border-color: var(--tech-primary);
}

.filter-group[data-group="substrate"] .filter-tag.active {
    background: var(--tech-primary);
    color: white;
    border-color: var(--tech-primary);
}

/* 機能タグ */
.filter-group[data-group="function"] .filter-tag:hover {
    background: rgba(234, 88, 12, 0.1);
    color: var(--tech-accent);
    border-color: var(--tech-accent);
}

.filter-group[data-group="function"] .filter-tag.active {
    background: var(--tech-accent);
    color: white;
    border-color: var(--tech-accent);
}

/* 工程タグ */
.filter-group[data-group="process"] .filter-tag:hover {
    background: rgba(245, 158, 11, 0.1);
    color: var(--tech-highlight);
    border-color: var(--tech-highlight);
}

.filter-group[data-group="process"] .filter-tag.active {
    background: var(--tech-highlight);
    color: white;
    border-color: var(--tech-highlight);
}

/* アニメーション効果 */
.filter-tag.active {
    animation: tagActivate 0.3s ease;
}

@keyframes tagActivate {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1.05); }
}

/* フォーカス状態 */
.filter-tab:focus,
.filter-tag:focus {
    outline: 2px solid var(--tech-primary);
    outline-offset: 2px;
}

/* ========================================
   Technology List Section
======================================== */
.technology-list {
    padding: var(--tech-section-padding) 0;
    background: var(--tech-bg-primary);
}

.tech-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.no-posts-message {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    background: var(--tech-bg-secondary);
    border-radius: var(--tech-radius-lg);
    border: 2px dashed #cbd5e1;
    color: var(--tech-text-secondary);
    font-size: 1.1rem;
    position: relative;
}


/* ========================================
   Technology FAQ Section
======================================== */
.technology-faq {
    padding: var(--tech-section-padding) 0;
    background: var(--tech-bg-secondary);
}

.section-description {
    text-align: center;
    font-size: 1.1rem;
    color: var(--tech-text-secondary);
    max-width: 600px;
    margin: 1rem auto 0;
    line-height: 1.6;
}

.faq-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 3rem 0;
}

.faq-card {
    background: var(--tech-bg-primary);
    border-radius: var(--tech-radius-lg);
    padding: 2rem;
    box-shadow: var(--tech-shadow);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    cursor: pointer;
}

.faq-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--tech-shadow-lg);
    border-color: var(--tech-primary);
}

.faq-question {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--tech-text-primary);
    margin-bottom: 1rem;
    line-height: 1.4;
    position: relative;
    padding-left: 1.5rem;
}

.faq-question::before {
    content: 'Q';
    position: absolute;
    left: 0;
    top: 0;
    width: 1.2rem;
    height: 1.2rem;
    background: var(--tech-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
}

.faq-answer {
    color: var(--tech-text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
    padding-left: 1.5rem;
    position: relative;
}

.faq-answer::before {
    content: 'A';
    position: absolute;
    left: 0;
    top: 0;
    width: 1.2rem;
    height: 1.2rem;
    background: var(--tech-accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
}

.faq-cta {
    text-align: center;
    margin-top: 3rem;
}

/* ========================================
   Print Styles
======================================== */
@media print {
    .hero--technology {
        background: none !important;
        color: var(--tech-text-primary) !important;
        min-height: auto;
        padding: 2rem 0;
    }
    
    .hero--technology .hero__title {
        color: var(--tech-text-primary) !important;
        -webkit-text-fill-color: initial !important;
        -webkit-text-stroke: none !important;
        text-stroke: none !important;
    }
    
    .philosophy-item,
    .certification-item,
    .team-member,
    .feature-item,
    .info-item,
    .info-card,
    .quality-certifications__section {
        break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid #ccc !important;
    }
}

/* ========================================
   Accessibility Enhancements
======================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ========================================
   Electrocoating Technology Section (電着塗装技術)
======================================== */
.electrocoating-tech {
    padding: var(--tech-section-padding) 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: var(--tech-text-white);
}

.electrocoating-tech.precious-style {
    background: linear-gradient(135deg, #0f3443 0%, #34687a 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.electrocoating-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--tech-container-padding);
}

.electrocoating-tech.precious-style .section-header {
    text-align: center;
    margin-bottom: 60px;
}

.electrocoating-tech.precious-style .section-header p {
    color: rgba(255, 255, 255, 0.9) !important;
    font-size: 1.8rem;
    line-height: 1.6;
    margin-top: 20px;
}

.electrocoating-tech.precious-style .section-header h2 {
    color: white !important;
    text-align: center;
    margin-bottom: 60px;
    font-size: 3.2rem;
    font-weight: 700;
}

.electrocoating-tech.precious-style .color-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 30px;
    transition: all 0.3s ease;
}

.electrocoating-tech.precious-style .color-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.electrocoating-tech.precious-style .color-info h4 {
    color: white !important;
    font-size: 1.6rem;
    font-weight: 600;
}

.electrocoating-tech.precious-style .color-info p {
    color: rgba(255, 255, 255, 0.9) !important;
    font-size: 1.3rem;
    line-height: 1.6;
}

.electrocoating-tech.precious-style .tech-features {
    padding: 40px 30px;
    margin-bottom: 60px;
}

.electrocoating-tech.precious-style .feature-item {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 30px 25px;
    transition: all 0.3s ease;
}

.electrocoating-tech.precious-style .feature-item:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.electrocoating-tech.precious-style .feature-item h4 {
    color: white !important;
    font-size: 1.6rem;
    font-weight: 600;
}

.electrocoating-tech.precious-style .feature-item p {
    color: rgba(255, 255, 255, 0.85) !important;
    font-size: 1.4rem;
    line-height: 1.6;
}

.electrocoating-tech.precious-style .feature-spec {
    background: rgba(255, 215, 0, 0.2);
    color: #FFD700 !important;
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.electrocoating-tech.precious-style .tech-features h3 {
    color: white !important;
    font-weight: 600;
}

.electrocoating-tech.precious-style .feature-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.3s ease;
}

.electrocoating-tech.precious-style .feature-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-3px);
}

.electrocoating-tech.precious-style .feature-icon {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #0f3443;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.electrocoating-tech.precious-style .feature-card h4 {
    color: white !important;
    font-size: 1.5rem;
    font-weight: 600;
}

.electrocoating-tech.precious-style .feature-card p {
    color: rgba(255, 255, 255, 0.85) !important;
    font-size: 1.3rem;
}

.electrocoating-tech.precious-style .process-flow {
    padding: 40px 30px;
}

.electrocoating-tech.precious-style .process-flow h3 {
    color: white !important;
    font-weight: 600;
    font-size: clamp(2.4rem, 4vw, 3.2rem);
    margin-bottom: 4rem;
}

.electrocoating-tech.precious-style .process-step {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s ease;
}

.electrocoating-tech.precious-style .process-step:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-3px);
}

.electrocoating-tech.precious-style .step-number {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #0f3443;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.electrocoating-tech.precious-style .step-title {
    color: white !important;
    font-size: 1.4rem;
    font-weight: 600;
}

.electrocoating-tech.precious-style .step-description {
    color: rgba(255, 255, 255, 0.85) !important;
    font-size: 1.2rem;
}

.electrocoating-tech.precious-style .process-step h4 {
    color: white !important;
    font-size: 1.4rem;
    font-weight: 600;
}

.electrocoating-tech.precious-style .process-step p {
    color: rgba(255, 255, 255, 0.85) !important;
    font-size: 1.2rem;
}

.electrocoating-tech.precious-style .process-cta {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.electrocoating-tech.precious-style .cta-text {
    color: rgba(255, 255, 255, 0.85) !important;
}

.electrocoating-tech.precious-style .process-link {
    color: #FFD700 !important;
    border-color: #FFD700;
    background: rgba(255, 215, 0, 0.1);
}

.electrocoating-tech.precious-style .process-link:hover {
    background: #FFD700 !important;
    color: #0f3443 !important;
}

.electrocoating-tech.precious-style .process-arrow {
    color: rgba(255, 255, 255, 0.6) !important;
}

.electrocoating-tech.precious-style .color-showcase-title {
    color: white !important;
}

.electrocoating-tech.precious-style .color-properties .property {
    color: rgba(255, 255, 255, 0.8) !important;
    font-size: 1.2rem;
    font-weight: 500;
}

.electrocoating-tech.precious-style .color-application {
    color: #FFD700 !important;
    font-weight: 600;
}

.electrocoating-tech.precious-style .color-description {
    color: rgba(255, 255, 255, 0.85) !important;
}

/* カラーバリエーション基本スタイル */
.color-showcase {
    text-align: center;
    margin-bottom: 60px;
}

.color-showcase-title {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--tech-text-primary);
    margin-bottom: 40px;
}

.color-palette {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

.color-item {
    background: var(--tech-bg-primary);
    border-radius: 16px;
    padding: 25px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.color-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.color-sample {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 0 auto 20px;
    position: relative;
    overflow: hidden;
    border: 3px solid rgba(255, 255, 255, 0.3);
}

.color-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.color-sample:hover .color-overlay {
    opacity: 1;
}

.color-code {
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
}

.color-info h4 {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--tech-text-primary);
    margin-bottom: 8px;
}

.color-application {
    color: var(--tech-primary);
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 10px;
}

.color-description {
    color: var(--tech-text-secondary);
    font-size: 1.3rem;
    line-height: 1.5;
    margin-bottom: 15px;
}

.color-properties {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.property {
    font-size: 1.1rem;
    color: var(--tech-text-secondary);
}

.electrocoating-tech.precious-style .process-step:not(:last-child)::after {
    color: #FFD700;
    text-shadow: 0 2px 10px rgba(255, 215, 0, 0.5);
}

/* 難素材対応技術セクション - プレミアムスタイル */
.difficult-materials-container {
    padding: 80px 0;
    background: white;
}

.difficult-materials-tech {
    background: white !important;
}

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

.difficult-materials-container .section-header h2 {
    font-size: 3.2rem;
    font-weight: 700;
    color: var(--tech-text-primary);
    margin-bottom: 20px;
}

.difficult-materials-container .section-header p,
.difficult-materials .section-header p,
.tech-section .difficult-materials-container .section-header p {
    font-size: 1.6rem !important;
    color: var(--tech-text-secondary) !important;
    line-height: 1.6 !important;
    max-width: 800px !important;
    margin: 0 auto !important;
    text-align: center !important;
    display: block !important;
}

.difficult-materials-container .materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.difficult-materials-container .material-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 128, 128, 0.1);
    border-radius: 16px;
    padding: 35px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(0, 128, 128, 0.08);
}

.difficult-materials-container .material-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 128, 128, 0.15);
    border-color: rgba(0, 128, 128, 0.2);
}

.difficult-materials-container .material-card.featured {
    border: 2px solid rgba(0, 128, 128, 0.2);
    background: rgba(0, 128, 128, 0.02);
}

.difficult-materials-container .card-header {
    margin-bottom: 20px;
}

.difficult-materials-container .material-symbol {
    display: inline-block;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #008080, #20B2AA);
    color: white;
    border-radius: 50%;
    font-size: 1.8rem;
    font-weight: bold;
    line-height: 60px;
    margin-bottom: 15px;
    box-shadow: 0 4px 20px rgba(0, 128, 128, 0.3);
}

.difficult-materials-container .card-header h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--tech-text-primary);
    margin-bottom: 0;
}

.difficult-materials-container .material-card p {
    font-size: 1.4rem;
    color: var(--tech-text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.difficult-materials-container .card-tags {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.difficult-materials-container .tag {
    background: rgba(0, 128, 128, 0.1);
    color: #008080;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 1.2rem;
    font-weight: 500;
    border: 1px solid rgba(0, 128, 128, 0.2);
}

.difficult-materials-container .materials-summary {
    padding: 20px 30px;
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
    margin-bottom: 40px;
}

.difficult-materials-container .other-label {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--tech-text-primary);
    white-space: nowrap;
}

.difficult-materials-container .material-names {
    font-size: 1.4rem;
    color: var(--tech-text-secondary);
    font-weight: 500;
}

/* すべてのh3を太文字で統一 - より具体的なセレクター */
main h3,
section h3, 
.main-content h3,
.subpage-wrapper h3,
.quality-management-container h3,
.difficult-materials-container h3,
.electrocoating-tech h3,
.tech-section h3,
.quality-section h3,
.applications-showcase h3,
h3.section-title,
.section-header h3,
div h3 {
    font-weight: 700 !important;
}

.difficult-materials-container .guide-info p {
    font-size: 1.4rem;
    color: var(--tech-text-secondary);
    line-height: 1.6;
    margin: 0;
}

.difficult-materials-container .guide-button {
    background: linear-gradient(135deg, #008080, #20B2AA);
    color: white !important;
    padding: 16px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.4rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 128, 128, 0.3);
    white-space: nowrap;
}

.difficult-materials-container .guide-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 128, 128, 0.4);
    background: linear-gradient(135deg, #20B2AA, #008080);
    color: white !important;
    text-decoration: none;
}

.difficult-materials-container .button-icon {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.difficult-materials-container .guide-button:hover .button-icon {
    transform: translateX(5px);
}

/* ========================================
   Quality Management Section (品質管理システム)
======================================== */
.quality-management {
    padding: var(--tech-section-padding) 0;
    background: var(--tech-bg-secondary);
}

.quality-container {
    max-width: min(140rem, 95vw);
    margin: 0 auto;
    padding: 0 var(--tech-container-padding);
}

.quality-intro {
    text-align: center;
    margin-bottom: calc(var(--tech-grid-gap) * 2);
}

.quality-intro h2 {
    font-size: clamp(3.2rem, 6vw, 5.6rem);
    font-weight: 800;
    color: var(--tech-text-primary);
    margin-bottom: var(--tech-grid-gap);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.quality-intro p {
    font-size: clamp(1.6rem, 2.4vw, 2rem);
    color: var(--tech-text-secondary);
    line-height: 1.6;
    font-weight: 400;
    margin-bottom: 0;
}

.quality-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: calc(var(--tech-grid-gap) * 1.5);
    max-width: 120rem;
    margin: 0 auto;
}

.quality-item {
    text-align: center;
    padding: calc(var(--tech-grid-gap) * 1.5);
    position: relative;
}

.quality-number {
    font-size: clamp(6rem, 8vw, 8rem);
    font-weight: 900;
    color: rgba(5, 150, 105, 0.15);
    line-height: 1;
    margin-bottom: 1rem;
}

.quality-item h3 {
    font-size: clamp(2rem, 2.5vw, 2.8rem);
    font-weight: 700;
    color: var(--tech-text-primary);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.quality-item p {
    font-size: clamp(1.4rem, 1.6vw, 1.7rem);
    color: var(--tech-text-secondary);
    line-height: 1.6;
    margin: 0;
}




/* Quality Management Responsive */
@media (max-width: 1024px) and (min-width: 769px) {
    .quality-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: calc(var(--tech-grid-gap) * 1.2);
    }
}

@media (max-width: 768px) {
    .quality-grid {
        grid-template-columns: 1fr;
        gap: calc(var(--tech-grid-gap) * 1);
    }
    
    .quality-item {
        padding: calc(var(--tech-grid-gap) * 1);
    }
}

@media (max-width: 480px) {
    .quality-item {
        padding: calc(var(--tech-grid-gap) * 0.75);
    }
    
    .quality-number {
        font-size: clamp(4rem, 10vw, 6rem);
    }
}

}