/* =========================================================
   MIUCUIT Friendly Corporate Design System
   ========================================================= */

:root {
    /* Base Colors - Soft and Clean */
    --bg-color: #fdfcf9; /* Slightly brighter Ivory / Off-white for warmth */
    --bg-light-gray: #f4f3f0; /* Slight contrast for alternating sections */
    --primary-text: #333333; /* Dark gray for readability, softer than pure black */
    --secondary-text: #666666; /* Medium gray for descriptions and subtitles */
    
    /* Accent Colors - Friendly & Approachable */
    --accent-orange: #f5a623; /* Warm orange */
    --accent-green: #88c34a; /* Soft green */
    --nav-bg: rgba(255, 255, 255, 0.9); /* Glassmorphism on lightbg */
    
    /* Shapes - Restrained rounded corners (per request) */
    --border-radius-sm: 6px;
    --border-radius-md: 10px;
    --border-radius-lg: 16px;
    
    /* Shadows - Soft and lifting */
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    overflow-x: hidden;
}

body {
    font-family: 'Noto Sans JP', sans-serif; /* Modern, readable, slightly rounded Gothic */
    background-color: var(--bg-color);
    color: var(--primary-text);
    line-height: 1.6;
    letter-spacing: 0.01em;
    font-kerning: normal;
}

/* =========================================================
   Typography & Utility Classes
   ========================================================= */

h1, h2, h3, h4 {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 700;
    color: var(--primary-text);
    line-height: 1.4;
    word-break: normal;
    overflow-wrap: break-word;
}

@media (max-width: 768px) {
    h1, h2, h3, h4 {
        word-break: normal; /* Force normal wrapping on small screens to prevent overflow */
    }
}

.center {
    text-align: center;
}

.inline-block-text {
    display: inline-block;
    white-space: nowrap;
}

@media (max-width: 768px) {
    .inline-block-text {
        display: inline; /* Disable block behavior on mobile so long text wraps naturally without expanding container */
    }
}

.bg-light-gray {
    background-color: var(--bg-light-gray);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5vw;
}

/* Section Shared Styles */
.section-tag {
    display: inline-block;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent-orange);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin: 0 0 1.5rem 0;
    padding: 0;
    text-indent: 0;
    letter-spacing: 0.02em;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--secondary-text);
    margin-bottom: 4rem;
}

/* =========================================================
   Navigation (Light Glassmorphism)
   ========================================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5vw;
}

.logo img {
    height: 75px; /* Increased from 55px */
    width: auto;
    vertical-align: middle;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links > a, .has-dropdown > span.nav-item-title {
    text-decoration: none;
    color: var(--primary-text);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: color 0.3s ease;
    text-align: center;
    cursor: pointer;
}

.nav-links > a > span.en, .has-dropdown > span.nav-item-title > span.en {
    display: block;
    font-size: 0.65rem;
    color: var(--secondary-text);
    margin-top: 0.2rem;
    font-weight: 400;
}

.nav-links a:hover, .has-dropdown:hover > span.nav-item-title {
    color: var(--accent-orange);
}

/* Dropdown Menu styling */
.has-dropdown {
    position: relative;
    padding-bottom: 15px;
    margin-bottom: -15px;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: #fff;
    min-width: 220px;
    box-shadow: var(--shadow-hover);
    border-radius: var(--border-radius-sm);
    padding: 1rem 0;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    z-index: 1000;
}

.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(15px);
}

.dropdown-menu a {
    padding: 0.8rem 1.5rem;
    text-align: left;
    font-size: 0.9rem;
    display: block;
    border-bottom: 1px solid var(--bg-light-gray);
    color: var(--primary-text);
    text-decoration: none;
}
.dropdown-menu a:last-child {
    border-bottom: none;
}
.dropdown-menu a:hover {
    background-color: var(--bg-light-gray);
    color: var(--accent-orange);
}

.nav-contact-btn {
    background-color: var(--accent-orange);
    color: #fff !important;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    font-weight: 700 !important;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(245, 166, 35, 0.3);
}

.nav-contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 166, 35, 0.4);
    background-color: #e0961e;
}

.nav-recruit-btn {
    background-color: var(--accent-green);
    color: #fff !important;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    font-weight: 700 !important;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(136, 195, 74, 0.3);
}

.nav-recruit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(136, 195, 74, 0.4);
    background-color: #74ac3a;
}

/* Hamburger Menu Icon */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 1001; /* Above mobile menu overlay */
}
.menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--primary-text);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* Mobile Responsive */
@media (max-width: 900px) {
    .menu-toggle {
        display: flex;
    }
    
    .logo img {
        height: 45px;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: #fff;
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 6rem 2rem 2rem;
        gap: 1.5rem;
        box-shadow: -10px 0 30px rgba(0,0,0,0.1);
        transition: right 0.4s ease;
        overflow-y: auto;
    }

    .nav-links.active {
        right: 0;
    }

    /* Hamburger animation */
    .menu-toggle.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .menu-toggle.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    /* Reset link styles for vertical menu */
    .nav-links > a, .has-dropdown > span.nav-item-title {
        text-align: left;
        font-size: 1.1rem;
        width: 100%;
    }
    .nav-links > a > span.en, .has-dropdown > span.nav-item-title > span.en {
        display: inline;
        margin-left: 0.5rem;
    }

    /* Keep mobile dropdowns collapsed until tapped */
    .dropdown-menu {
        position: static;
        transform: none;
        box-shadow: none;
        opacity: 0;
        visibility: hidden;
        max-height: 0;
        overflow: hidden;
        padding: 0 0 0 1rem;
        background: transparent;
        border-left: 2px solid var(--bg-light-gray);
        border-radius: 0;
        margin-top: 0;
        transition: max-height 0.3s ease, opacity 0.2s ease, margin-top 0.3s ease, padding-top 0.3s ease;
    }
    
    .has-dropdown.active .dropdown-menu {
        opacity: 1;
        visibility: visible;
        max-height: 500px;
        padding-top: 0.5rem;
        margin-top: 0.5rem;
        transform: none;
    }
    
    .dropdown-menu a {
        padding: 0.5rem 1rem;
        border-bottom: none;
    }
    
    .nav-contact-btn {
        width: 100%;
        text-align: center;
        margin-top: 1rem;
    }

    .nav-recruit-btn {
        width: 100%;
        text-align: center;
        margin-top: 1rem;
    }
}

/* =========================================================
   Hero Section
   ========================================================= */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center; /* Left-aligned content for corporate feel */
    padding-left: 10vw;
    overflow: hidden;
}

.bg-img {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    z-index: -2;
    object-fit: cover;
    /* Soften the image, slightly warm overlay instead of dark */
    filter: brightness(0.9) contrast(1.05);
}

.hero::after {
    /* Gradient overlay to make text readable but keep the image bright */
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(250, 249, 246, 0.9) 0%, rgba(250, 249, 246, 0.4) 50%, rgba(250, 249, 246, 0) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 600px;
    z-index: 1;
    padding-right: 5vw; /* Ensure text doesn't touch the right edge on mobile */
}

@media (max-width: 768px) {
    .hero {
        padding-left: 5vw;
        padding-right: 5vw;
        justify-content: center;
        text-align: center;
    }
    .hero-content {
        padding-right: 0;
    }
    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem); /* Slightly smaller on very small screens */
    }
    .hero-subtitle {
        text-align: left; /* Keep subtitle readable */
        font-size: 1rem;
    }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.28;
    margin-bottom: 1.5rem;
    color: var(--primary-text);
    letter-spacing: 0.01em;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--secondary-text);
    margin-bottom: 3rem;
    font-weight: 500;
}

.hero-btn {
    display: inline-block;
    background-color: var(--accent-green);
    color: #fff;
    text-decoration: none;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(136, 195, 74, 0.3);
}

.hero-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(136, 195, 74, 0.4);
    background-color: #7cb342;
}

/* =========================================================
   About Structure
   ========================================================= */
.about-section {
    padding: 10rem 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-desc {
    font-size: 1.1rem;
    color: var(--secondary-text);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-image-wrapper {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.about-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

@media (max-width: 900px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
}

/* =========================================================
   Services Grid
   ========================================================= */
.services-section {
    padding: 8rem 0;
}

.services-grid {
    display: grid;
    gap: 2.5rem;
    margin-top: 4rem;
}

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

.services-grid.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 900px) {
    .services-grid.grid-2,
    .services-grid.grid-3 {
        grid-template-columns: 1fr;
    }
}

.service-card {
    background: #fff;
    padding: 3rem 2rem;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-soft);
    transition: all 0.4s ease;
    text-align: center;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--accent-orange);
    margin-bottom: 1.5rem;
}

.service-title {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    line-height: 1.45;
    letter-spacing: 0.01em;
}

.service-desc {
    font-size: 0.95rem;
    color: var(--secondary-text);
    text-align: left;
    line-height: 1.7;
}

/* =========================================================
   CTA & Footer
   ========================================================= */
.cta-section {
    padding: 8rem 0;
    background-color: var(--bg-color);
}

.cta-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
}

.cta-desc {
    color: var(--secondary-text);
    margin-bottom: 3rem;
}

.cta-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap; /* Allow wrapping on small screens */
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (max-width: 600px) {
    .cta-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .cta-actions .btn {
        width: 100%;
        padding: 1rem 1.5rem;
    }
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-weight: 700;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--accent-orange);
    color: #fff;
    box-shadow: 0 4px 15px rgba(245, 166, 35, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 166, 35, 0.4);
}

.btn-secondary {
    background-color: #fff;
    color: var(--primary-text);
    border: 2px solid var(--bg-light-gray);
}

.btn-secondary:hover {
    border-color: var(--accent-orange);
    color: var(--accent-orange);
}

.business-hours {
    font-size: 0.9rem;
    color: var(--secondary-text);
}

.site-footer {
    background-color: #fff;
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--bg-light-gray);
}

.footer-logo {
    font-family: 'Montserrat', sans-serif;
    color: var(--primary-text);
    margin-bottom: 1rem;
}

.footer-address {
    color: var(--secondary-text);
    margin-bottom: 2rem;
}

.copyright {
    font-size: 0.8rem;
    color: #999;
}

/* =========================================================
   Scrolltelling: Fade Up Animations
   ========================================================= */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    /* Softer, friendlier easing curve */
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }