/* ========================================
   Raim Technologies - Main Stylesheet
   ======================================== */

/* CSS Variables */
:root {
    /* Colors - Lime theme */
    --color-primary: #84cc16;
    --color-primary-light: #a3e635;
    --color-primary-dark: #65a30d;
    --color-primary-glow: rgba(132, 204, 22, 0.3);

    --color-bg: #0a0a0a;
    --color-bg-secondary: #111111;
    --color-bg-tertiary: #1a1a1a;
    --color-bg-card: #141414;

    --color-text: #ffffff;
    --color-text-secondary: #a1a1aa;
    --color-text-muted: #71717a;

    --color-border: #27272a;
    --color-border-light: #3f3f46;

    /* Typography */
    --font-sans: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --container-width: 1200px;
    --section-padding: 120px;
    --section-padding-mobile: 60px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul, ol {
    list-style: none;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

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

.logo-img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.logo-accent {
    color: var(--color-primary);
}

.nav-list {
    display: flex;
    gap: 40px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-fast);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(132, 204, 22, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(132, 204, 22, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 100%);
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-primary-glow), transparent 60%);
    filter: blur(100px);
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-title {
    margin-bottom: 24px;
}

.hero-title-sub {
    display: block;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-primary);
    letter-spacing: 0.2em;
    margin-bottom: 16px;
    text-transform: uppercase;
}

.hero-title-main {
    display: block;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.text-accent {
    color: var(--color-primary);
}

.hero-text {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.btn-primary {
    background: var(--color-primary);
    color: #000;
}

.btn-primary:hover {
    background: var(--color-primary-light);
    box-shadow: 0 0 30px var(--color-primary-glow);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border-light);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-large {
    padding: 18px 40px;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* ========================================
   Section Styles
   ======================================== */
section {
    padding: var(--section-padding) 0;
}

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

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* ========================================
   Features Section
   ======================================== */
.features {
    background: var(--color-bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--color-bg-card);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: var(--radius-md);
    margin-bottom: 24px;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    stroke: #000;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-text {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ========================================
   Services Preview
   ======================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    position: relative;
    padding: 40px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.service-card:hover {
    border-color: var(--color-primary);
}

.service-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: 24px;
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.service-text {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
}

.service-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-primary);
    transition: all var(--transition-fast);
}

.service-link:hover {
    color: var(--color-primary-light);
}

/* ========================================
   CTA Section
   ======================================== */
.cta {
    background: linear-gradient(180deg, var(--color-bg-secondary), var(--color-bg));
    padding: 100px 0;
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-text {
    color: var(--color-text-secondary);
    margin-bottom: 32px;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-bg-secondary);
    padding: 60px 0 30px;
    border-top: 1px solid var(--color-border);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-logo {
    display: inline-block;
    margin-bottom: 20px;
}

.footer-logo .logo-img {
    height: 36px;
    width: auto;
}

.footer-address {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.footer-nav ul {
    display: flex;
    gap: 32px;
}

.footer-nav a {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

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

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--color-border);
}

.copyright {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-align: center;
}

/* ========================================
   Page Hero
   ======================================== */
.page-hero {
    padding: 160px 0 80px;
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
}

.page-hero-content {
    max-width: 600px;
}

.page-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.page-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* ========================================
   About Page - Philosophy
   ======================================== */
.philosophy {
    background: var(--color-bg);
}

.philosophy-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.philosophy-statement {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--color-primary);
    margin: 24px 0;
}

.philosophy-description {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 2;
}

.philosophy-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.philosophy-icon {
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(132, 204, 22, 0.2), transparent);
    border-radius: 50%;
    border: 2px solid var(--color-primary);
}

.philosophy-icon svg {
    width: 80px;
    height: 80px;
    stroke: var(--color-primary);
}

/* ========================================
   About Page - Message
   ======================================== */
.message {
    background: var(--color-bg-secondary);
}

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

.message-body {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 48px;
    margin-top: 40px;
    align-items: start;
}

.message-photo {
    position: sticky;
    top: 120px;
}

.ceo-photo {
    width: 100%;
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-border);
}

.message-text {
    margin-top: 0;
}

.message-text p {
    font-size: 1rem;
    line-height: 2;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.message-signature {
    margin-top: 40px;
    text-align: right;
}

.signature-title {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.signature-name {
    font-size: 1.25rem;
    font-weight: 600;
}

.signature-name-en {
    display: block;
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--color-text-muted);
    margin-top: 4px;
}

/* ========================================
   About Page - Company Info
   ======================================== */
.company-info {
    background: var(--color-bg);
}

.info-table {
    max-width: 800px;
    margin: 0 auto;
}

.info-list {
    border-top: 1px solid var(--color-border);
}

.info-row {
    display: grid;
    grid-template-columns: 160px 1fr;
    border-bottom: 1px solid var(--color-border);
}

.info-row dt {
    padding: 24px 20px;
    background: var(--color-bg-secondary);
    font-weight: 500;
    font-size: 0.95rem;
}

.info-row dd {
    padding: 24px 20px;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.info-row dd .en {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.business-list li {
    position: relative;
    padding-left: 16px;
    margin-bottom: 8px;
}

.business-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
}

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

/* ========================================
   Service Page - Detail
   ======================================== */
.services-detail {
    background: var(--color-bg);
}

.service-detail-item {
    padding: 60px 0;
    border-bottom: 1px solid var(--color-border);
}

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

.service-detail-header {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 32px;
}

.service-detail-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    opacity: 0.5;
    line-height: 1;
}

.service-detail-title {
    font-size: 1.75rem;
    font-weight: 700;
}

.service-detail-description {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 2;
    margin-bottom: 40px;
    max-width: 800px;
}

.service-detail-features h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--color-primary);
}

.service-features-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-features-list li {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.service-features-list .feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    margin-bottom: 0;
}

.service-features-list .feature-icon svg {
    width: 24px;
    height: 24px;
}

.service-features-list strong {
    display: block;
    font-size: 1rem;
    margin-bottom: 8px;
}

.service-features-list p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ========================================
   Service Page - Works
   ======================================== */
.works {
    background: var(--color-bg-secondary);
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.work-card {
    background: var(--color-bg-card);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.work-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.work-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
    background: rgba(132, 204, 22, 0.1);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
}

.work-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.work-description {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.work-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.work-tech span {
    font-size: 0.75rem;
    padding: 4px 10px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
}

/* ========================================
   Contact Page
   ======================================== */
.contact-section {
    background: var(--color-bg);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.contact-info-text {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-detail-item {
    display: flex;
    gap: 16px;
}

.contact-detail-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(132, 204, 22, 0.1);
    border-radius: var(--radius-md);
}

.contact-detail-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-primary);
}

.contact-detail-content h3 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.contact-detail-content p {
    font-size: 1rem;
    line-height: 1.6;
}

.contact-detail-note {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-bg-secondary);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 8px;
}

.required {
    color: var(--color-primary);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    font-family: inherit;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast);
}

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

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-muted);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2371717a' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
    cursor: pointer;
}

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

.form-privacy {
    margin-bottom: 32px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-size: 0.9rem;
}

.checkbox-label input {
    display: none;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.checkbox-label input:checked + .checkbox-custom {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-label input:checked + .checkbox-custom::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 6px;
    width: 5px;
    height: 10px;
    border: solid #000;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    .features-grid,
    .services-grid,
    .works-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .service-features-list {
        grid-template-columns: 1fr;
    }

    .philosophy-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .philosophy-visual {
        order: -1;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-list {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        background: var(--color-bg);
        padding: 40px 24px;
        gap: 24px;
        transform: translateX(100%);
        transition: transform var(--transition-normal);
    }

    .nav-list.active {
        transform: translateX(0);
    }

    .nav-link {
        font-size: 1.25rem;
    }

    .features-grid,
    .services-grid,
    .works-grid {
        grid-template-columns: 1fr;
    }

    .message-body {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .message-photo {
        position: static;
        max-width: 180px;
        margin: 0 auto;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .footer-inner {
        flex-direction: column;
        gap: 40px;
    }

    .footer-nav ul {
        flex-direction: column;
        gap: 16px;
    }

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

    .info-row dt {
        padding: 16px 20px;
    }

    .info-row dd {
        padding: 16px 20px;
    }

    .service-detail-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .contact-form-wrapper {
        padding: 24px;
    }

    .sp-hide {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title-main {
        font-size: 2rem;
    }

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

    .feature-card,
    .service-card {
        padding: 24px;
    }
}