/* 
 * Law Firm Recruitment Site - Design System 
 * Theme: Premium, Trustworthy, Professional
 */

:root {
    /* Color Palette */
    --color-primary: #1E3A8A;
    /* Navy Blue - Trustworthy but brighter than Deep Navy */
    --color-secondary: #D97706;
    /* Warm Amber - Welcoming & Energetic */
    --color-accent: #64748B;
    /* Slate - Balanced */
    --color-text-main: #334155;
    /* Softer Black */
    --color-text-light: #64748B;
    --color-background: #F8FAFC;
    /* Very light cool gray */
    --color-surface: #FFFFFF;

    /* Typography */
    --font-serif: "Noto Serif JP", serif;
    --font-sans: "Noto Sans JP", sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Shapes */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    color: var(--color-text-main);
    background-color: var(--color-background);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.4;
    color: var(--color-primary);
}

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

ul {
    list-style: none;
}

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

/* Utility Classes */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section {
    padding: var(--spacing-xl) 0;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border: 1px solid var(--color-primary);
    background-color: var(--color-primary);
    color: var(--color-surface);
    font-family: var(--font-sans);
    font-weight: 500;
    letter-spacing: 0.05em;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.btn:hover {
    background-color: #172554;
    /* Darker Navy */
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.2);
}

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

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition-smooth);
}

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

.logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.05em;
}

.nav-list {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-main);
    position: relative;
}

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

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

.header-cta {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: 0.5rem 1.5rem;
    font-size: 0.9rem;
    border: none;
}

.header-cta:hover {
    background-color: #9a8455;
    color: var(--color-white);
}

.desktop-only {
    display: inline-block;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 24px;
    position: relative;
    z-index: 1001;
}

.bar {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    position: absolute;
    transition: var(--transition-fast);
}

.bar:nth-child(1) {
    top: 0;
}

.bar:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.bar:nth-child(3) {
    bottom: 0;
}

/* Mobile Menu Active State */
.mobile-menu-btn.active .bar:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}

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

.mobile-menu-btn.active .bar:nth-child(3) {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
}

/* Hero Section */
.hero {
    height: 100vh;
    background-color: var(--color-background);
    color: var(--color-text-main);
    /* Dark text for light background */
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

/* Light overlay for hero image */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* White gradient overlay */
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.7) 100%), url('https://images.unsplash.com/photo-1497366216548-37526070297c?auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-subtitle {
    font-family: var(--font-sans);
    color: var(--color-secondary);
    font-weight: 700;
    letter-spacing: 0.2em;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    color: var(--color-primary);
    /* Navy text on light background */
    text-shadow: none;
    /* Remove any shadow if present */
}

.hero-text {
    font-size: 1.1rem;
    color: var(--color-text-main);
    /* Dark gray text */
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    font-weight: 500;
}

/* Features / Philosophy */
.philosophy {
    background-color: var(--color-white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-subtitle {
    color: var(--color-secondary);
    font-weight: 600;
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.section-title {
    font-size: 2.5rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    padding: var(--spacing-md);
    background-color: var(--color-background);
    border-top: 3px solid var(--color-secondary);
    transition: var(--transition-fast);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

/* Recruitment Section */
.recruitment {
    background-color: var(--color-background);
}

.recruit-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.recruit-card {
    background-color: var(--color-surface);
    padding: var(--spacing-lg);
    text-align: center;
    border: 1px solid #E2E8F0;
    border-radius: var(--radius-lg);
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.recruit-card.featured {
    border: 2px solid var(--color-primary);
    background-color: #F0F9FF;
    /* Very light blue tint */
}

.recruit-card:hover {
    border-color: var(--color-secondary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: var(--color-secondary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.recruit-points {
    text-align: left;
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

.recruit-points li {
    list-style: disc;
    margin-bottom: 0.5rem;
    color: var(--color-text-main);
}

.recruit-type {
    font-size: 0.9rem;
    color: var(--color-text-light);
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
}

.recruit-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

/* Entry Form */
.entry-section {
    background-color: var(--color-white);
}

.entry-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--color-background);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-primary);
}

.required {
    background-color: #EF4444;
    color: white;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 0.5rem;
    vertical-align: middle;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #CBD5E1;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.form-action {
    text-align: center;
    margin-top: 2rem;
}

/* Footer */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.footer-nav li {
    margin-bottom: 0.5rem;
}

.footer-nav a {
    color: #94A3B8;
}

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

.copyright {
    text-align: center;
    color: #64748B;
    font-size: 0.875rem;
    border-top: 1px solid #1E293B;
    padding-top: var(--spacing-md);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .header-inner {
        height: 60px;
    }

    .desktop-only {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background-color: var(--color-white);
        padding: 80px 2rem;
        transition: var(--transition-smooth);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        display: flex;
        flex-direction: column;
        gap: 2rem;
    }

    .nav-link {
        font-size: 1.2rem;
        display: block;
        padding: 0.5rem 0;
    }

    .recruit-options {
        grid-template-columns: 1fr;
    }
}

/* Interview Section */
.interview-section {
    background-color: #F1F5F9;
    /* Slightly darker than base background for contrast */
}

.interview-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.interview-card {
    display: flex;
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: var(--transition-fast);
}

.interview-card:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    transform: translateY(-2px);
}

.interview-img-wrapper {
    flex: 1;
    min-height: 300px;
    background-color: #F1F5F9;
    display: flex;
    align-items: center;
    justify-content: center;
}

.interview-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: var(--transition-smooth);
}

.interview-card:hover .interview-img {
    transform: scale(1.05);
}

.interview-content {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.interview-role {
    color: var(--color-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
    letter-spacing: 0.05em;
}

.interview-heading {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
    color: var(--color-primary);
}

.interview-text {
    color: var(--color-text-main);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.read-more {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
}

.read-more:hover {
    color: var(--color-secondary);
    text-decoration: underline;
}

/* Alternate layout for even cards */
.interview-card:nth-child(even) {
    flex-direction: row-reverse;
}

@media (max-width: 768px) {

    .interview-card,
    .interview-card:nth-child(even) {
        flex-direction: column;
    }

    .interview-img-wrapper {
        min-height: 250px;
    }

    .interview-content {
        padding: var(--spacing-md);
    }
}

/* Flow Section */
.flow-section {
    background-color: var(--color-white);
}

.flow-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Connecting line */
.flow-steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #E2E8F0;
    z-index: 0;
}

.flow-step {
    flex: 1;
    min-width: 200px;
    text-align: center;
    position: relative;
    z-index: 1;
    background-color: var(--color-white);
    /* To hide line behind text if needed, but here we want line behind number */
    padding: 0 var(--spacing-sm);
}

.step-number {
    width: 80px;
    height: 80px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-md);
    border: 4px solid var(--color-white);
    /* Creates gap from line */
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.step-title {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.step-desc {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .flow-steps {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .flow-steps::before {
        content: none;
        /* Remove horizontal line on mobile */
    }

    .flow-step {
        display: flex;
        align-items: center;
        text-align: left;
        gap: var(--spacing-md);
        padding: 0;
    }

    .step-number {
        margin: 0;
        width: 60px;
        height: 60px;
        font-size: 1.2rem;
        flex-shrink: 0;
    }

    .step-title {
        margin-bottom: 0.25rem;
    }
}

/* ===== Interview Detail Page ===== */
.interview-header {
    background-color: var(--color-primary);
    color: white;
    padding: 120px 0 60px;
    text-align: center;
}

.interview-header-role {
    display: block;
    font-size: 1rem;
    margin-bottom: 1rem;
    opacity: 0.9;
    letter-spacing: 0.1em;
}

.interview-header-title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: white;
}

.interview-header-en {
    font-size: 1rem;
    font-weight: normal;
    opacity: 0.8;
    font-family: var(--font-sans);
}

.interview-body {
    background-color: var(--color-white);
    padding: 60px 0;
}

.interview-main-img {
    width: 100%;
    max-height: 600px;
    object-fit: contain;
    border-radius: var(--radius-lg);
    margin-bottom: 40px;
}

.qa-box {
    margin-bottom: 40px;
}

.qa-question {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    padding-left: 1rem;
    border-left: 4px solid var(--color-secondary);
}

.qa-answer {
    line-height: 1.8;
    color: var(--color-text-main);
}

.back-link {
    display: inline-block;
    margin-top: 40px;
    color: var(--color-text-light);
    font-weight: 500;
}

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

/* Form success message */
.form-success {
    text-align: center;
    padding: var(--spacing-lg);
}

.form-success h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.form-success p {
    color: var(--color-text-light);
}