:root {
            --primary-green: #4a5d4e;
            --light-green: #e9ece6;
            --accent-color: #8da491;
            --text-dark: #2c332d;
            --bg-white: #ffffff;
            --color-dusty-green: #869484;
            --color-dusty-yellow: #d1b67e;
            --color-dusty-blue: #8a9ba8;
            --bg-off-white: #f8f9f7;
        }

        body, html {
            margin: 0;
            padding: 0;
            font-family: 'Noto Serif JP', serif;
            color: var(--text-dark);
            background-color: var(--bg-white);
            overflow-x: hidden;
            scroll-behavior: smooth;
        }

        p {
            font-weight: 300;
            line-height: 2.2;
            letter-spacing: 0.05em;
        }

        .s1-title {
            font-size: 1.1rem;
						color: #000;
        }

        .f1rem-title {
            font-size: 1rem;
						color: #000;
        }

        .col3-title {
            font-size: 1rem;
						color: #000;
        }

        .btn-custom-w {
            
						text-align: center;
        }

        .btn-custom {
            display: inline-block;
            padding: 10px 30px;
            border: 1px solid var(--primary-green);
            color: white;
            text-decoration: none;
            font-size: 1.2rem;
            transition: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            font-family: 'Montserrat', sans-serif;
            background: var(--primary-green);
        }

        .btn-custom:hover {
            background: white;
            color: var(--primary-green);

        }

        .reveal {
            opacity: 0;
            transform: translateY(40px);
            filter: blur(10px);
            transition: all 1.2s cubic-bezier(0.22, 1, 0.36, 1);
        }

        .reveal.active {
            opacity: 1;
            transform: translateY(0);
            filter: blur(0);
        }

        .reveal-left {
            opacity: 0;
            transform: translateX(-40px);
            filter: blur(10px);
            transition: all 1.2s cubic-bezier(0.22, 1, 0.36, 1);
        }

        .reveal-left.active {
            opacity: 1;
            transform: translateX(0);
            filter: blur(0);
        }

         .reveal-right-fade {
            opacity: 0;
            transform: translateX(40px);
            filter: blur(10px);
            transition: all 1.2s cubic-bezier(0.22, 1, 0.36, 1);
        }

        .reveal-right-fade.active {
            opacity: 1;
            transform: translateX(0);
            filter: blur(0);
        }

         .reveal-right {
            position: relative;
            overflow: hidden;
            perspective: 2000px;
            opacity: 0;
            transform: translateX(50px);
            transition: all 1.2s cubic-bezier(0.22, 1, 0.36, 1);
        }

        .reveal-right.active {
            opacity: 1;
            transform: translateX(0);
        }

          .reveal-door-left-trigger {
            position: relative;
            overflow: hidden;
            perspective: 2000px;
            opacity: 0;
            transform: translateX(-50px);
            transition: all 1.2s cubic-bezier(0.22, 1, 0.36, 1);
        }

        .reveal-door-left-trigger.active {
            opacity: 1;
            transform: translateX(0);
        }

        .reveal-door {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 10;
            transform-origin: left;
            transition: transform 1.5s cubic-bezier(0.77, 0, 0.175, 1);
            transition-delay: 0.2s;
        }

        .reveal-door-right {
            position: absolute;
            top: 0;
            right: 0;
            width: 100%;
            height: 100%;
            z-index: 10;
            transform-origin: right;
            transition: transform 1.5s cubic-bezier(0.77, 0, 0.175, 1);
            transition-delay: 0.2s;
        }

        .reveal-right.active .reveal-door {
            transform: rotateY(-95deg);
        }

        .reveal-door-left-trigger.active .reveal-door-right {
            transform: rotateY(95deg);
        }

        .reveal-right img, .reveal-door-left-trigger img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transform: scale(1.05);
            transition: transform 1.6s cubic-bezier(0.22, 1, 0.36, 1);
        }

        .reveal-right.active img, .reveal-door-left-trigger.active img {
            transform: scale(1);
        }

        .bg-dusty-green { background-color: var(--color-dusty-green); }
        .bg-dusty-yellow { background-color: var(--color-dusty-yellow); }
        .bg-dusty-blue { background-color: var(--color-dusty-blue); }

        .reveal-init {
            opacity: 0;
            transform: translateY(40px);
            filter: blur(15px);
            transition: all 2.0s cubic-bezier(0.22, 1, 0.36, 1);
        }

        .reveal-init.active {
            opacity: 1;
            transform: translateY(0);
            filter: blur(0);
        }

        .delay-100 { transition-delay: 0.1s; }
        .delay-200 { transition-delay: 0.2s; }
        .delay-300 { transition-delay: 0.3s; }
        .delay-400 { transition-delay: 0.4s; }


        #opening-screen {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: #4a5d4e;
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 10006;
        }

        .catchphrase {
            opacity: 0; 
            font-size: 1.8rem;
            font-weight: 700;
            letter-spacing: 0.6em;
            display: flex;
            gap: 0.1em;
            flex-wrap: wrap;
            justify-content: center;
            max-width: 90%;
            text-align: center;
            transition: opacity 0.5s ease;
            color: inherit; 
        }
        
        .catchphrase.is-ready { opacity: 1; }

        .char {
            display: inline-block;
            opacity: 0;
            transform: translateY(10px);
            filter: blur(8px);
            animation: charFadeIn 1.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
            color: inherit;
        }

        @keyframes charFadeIn {
            to {
                opacity: 1;
                transform: translateY(0);
                filter: blur(0);
            }
        }

        .fade-out-all {
            animation: fadeOutMain 1.5s ease-in-out forwards;
        }

        @keyframes fadeOutMain {
            to {
                opacity: 0;
                filter: blur(10px);
            }
        }


        /* --- Layout Structure --- */
        .main-wrapper {
            width: 100%;
            min-height: 100vh;
            opacity: 1; 
        }

        .mobile-header-bar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 60px;
            background-color: var(--primary-green);
            z-index: 10001; 
            transform: translateY(-100%);
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            display: none;
            align-items: center;
            justify-content: flex-end;
            padding: 0 20px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .mobile-header-bar.is-scrolled {
            transform: translateY(0);
        }

        .mobile-header-logo {
            color: #ffffff;
            font-size: 0.95rem;
            letter-spacing: 0.15em;
            margin: 0;
            font-weight: 700;
        }

        .menu-trigger {
            position: fixed;
            top: 0;
            left: 0;
            width: 60px;
            height: 60px;
            background: none;
            border: none;
            cursor: pointer;
            z-index: 10005;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.8s ease, top 0.3s ease, left 0.3s ease, right 0.3s ease;
        }

        .menu-trigger.is-visible {
            opacity: 1;
            pointer-events: auto;
        }

        .hamburger-lines {
            width: 37px;
            height: 20px;
            position: relative;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .line {
            width: 100%;
            height: 2px;
            background-color: var(--text-dark);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .menu-trigger.light-theme .line {
            background-color: #fff !important;
        }

        .menu-open .line { background-color: white !important; }
        .menu-open .line:nth-child(1) { transform: translateY(9px) rotate(45deg); }
        .menu-open .line:nth-child(2) { opacity: 0; transform: scaleX(0); }
        .menu-open .line:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

        .company-logo-top {
            position: fixed;
            top: 45px;
            right: 45px;
            z-index: 1000;
            transition: opacity 0.6s, transform 0.6s;
        }

        .company-logo-top p {
            margin: 0;
            font-size: 0.9rem;
            letter-spacing: 0.3em;
            color: var(--text-dark);
            font-weight: 700;
            transition: color 0.4s ease;
        }

        .company-logo-top.light-theme p {
            color: #ffffff;
        }

        .logo-hidden { opacity: 0; transform: translateY(-15px); pointer-events: none; }

        #nav-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--primary-green);
            z-index: 10004;
            display: none;
            justify-content: center;
            align-items: center;
            flex-direction: column;
            opacity: 0;
            transition: opacity 0.6s ease;
        }

        .nav-links { 
            list-style: none; 
            padding: 0; 
            text-align: center; 
            width: 100%;
        }
        
        .nav-links li { 
            margin: 15px 0; 
        }
        
        .nav-links a { 
            color: white; 
            text-decoration: none; 
            font-size: 1.3rem;
            letter-spacing: 0.3em; 
            transition: 0.4s; 
            font-weight: 300; 
        }

        .nav-sns a:hover { color: var(--accent-color); transform: translateY(-3px); }

        .nav-sns { margin-top: 40px; display: flex; gap: 25px; }
        .nav-sns a { color: white; transition: 0.3s; }
        .nav-sns a:hover { color: var(--accent-color); transform: translateY(-3px); }

        #back-to-top {
            position: fixed;
            bottom: 40px;
            right: 40px;
            width: 50px;
            height: 50px;
            background: rgba(255,255,255,0.9);
            border: 1px solid var(--primary-green);
            color: var(--primary-green);
            border-radius: 15%;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            backdrop-filter: blur(5px);
        }

        #back-to-top.visible { opacity: 1; visibility: visible; }

 
        #subpage-hero {
            position: relative;
            width: 100%;
            height: 65vh; 
            background: #1a201c;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
        }

        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.6;
            transform: scale(1.05);
            animation: slowZoom 20s ease-out forwards;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #ffffff;
            padding: 0 20px;
        }

        .hero-subtitle {
            font-family: 'Montserrat', sans-serif;
            font-size: 0.8rem;
            letter-spacing: 0.3em;
            text-transform: uppercase;
            color: #b2c1b4;
            margin-bottom: 25px;
            font-weight: 400;
        }

        .hero-title {
            font-size: 3.2rem;
            letter-spacing: 0.3em;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 25px;
            text-shadow: 0 4px 30px rgba(0,0,0,0.2);
        }

        .section-padding {
            padding: 160px 0;
        }

        .bg-beige {
            background-color: var(--bg-off-white);
        }

         .vertical-serif-text {
            writing-mode: vertical-rl;
            font-size: 1.6rem;
            letter-spacing: 0.6em;
            line-height: 2;
            font-weight: 700;
            color: var(--primary-green);
            text-align: start;
        }

        .concept-circle-img {
            width: 280px;
            height: 280px;
            border-radius: 50%;
            overflow: hidden;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
            border: 1px solid rgba(74, 93, 78, 0.1);
        }
        
        .concept-circle-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 1.5s cubic-bezier(0.22, 1, 0.36, 1);
        }
        
        .concept-circle-img:hover img {
            transform: scale(1.08);
        }

        .asym-image-wrapper {
            position: relative;
            width: 100%;
            height: 550px;
            border-radius: 0;
        }

        .asym-image-caption {
            font-size: 0.75rem;
            letter-spacing: 0.15em;
            color: #8da491;
            margin-top: 15px;
            font-family: 'Montserrat', sans-serif;
        }

        .asym-text-block {
            padding: 40px 0;
        }

        .section-index {
            font-family: 'Montserrat', sans-serif;
            font-size: 3.5rem;
            font-weight: 200;
            color: rgba(74, 93, 78, 0.15);
            line-height: 1;
            margin-bottom: 10px;
        }

        .section-sublabel {
            font-family: 'Montserrat', sans-serif;
            font-size: 0.7rem;
            letter-spacing: 0.4em;
            color: var(--accent-color);
            text-transform: uppercase;
            display: block;
            margin-bottom: 20px;
            font-weight: 500;
        }

        .section-heading-jp {
            font-size: 1.8rem;
            font-weight: 700;
            letter-spacing: 0.15em;
            color: var(--primary-green);
            margin-bottom: 35px;
            line-height: 1.5;
						text-align: center;
        }

        .section-heading-3 {
            font-size: 1.8rem;
            font-weight: 700;
            letter-spacing: 0.15em;
            color: var(--primary-green);
            margin-bottom: 35px;
            line-height: 1.5;
						text-align: center;
        }

        .p-lead {
            font-size: 1.05rem;
            font-weight: 400;
            color: var(--text-dark);
            margin-bottom: 25px;
            line-height: 2;
        }

        .concept-card {
            background: #ffffff;
            border: 1px solid #eaece8;
            padding: 50px 40px;
            height: 100%;
            transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
        }

        .concept-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
        }

        .concept-num {
            font-family: 'Montserrat', sans-serif;
            font-weight: 300;
            font-size: 1rem;
            color: var(--accent-color);
            letter-spacing: 0.1em;
            display: block;
            margin-bottom: 25px;
        }

        .concept-title {
            font-size: 1.2rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            color: var(--primary-green);
            margin-bottom: 20px;
        }

        .concept-title2 {
            font-size: 1rem;
            font-weight: 500; 
            color: var(--primary-green);
            margin-top: 10px;
            margin-bottom: 20px;
        }

        .btn-artistic {
            display: inline-block;
            position: relative;
            padding: 10px 0;
            color: var(--primary-green);
            text-decoration: none;
            font-size: 0.75rem;
            letter-spacing: 0.45em;
            font-family: 'Montserrat', sans-serif;
            font-weight: 500;
            background: transparent;
            border: none;
            overflow: hidden;
            transition: color 0.4s ease;
        }

        .btn-text-wrapper { display: block; position: relative; height: 1.3em; overflow: hidden; }
        .btn-text-inner { display: block; transition: transform 0.6s cubic-bezier(0.19, 1, 0.22, 1); }
        .btn-text-inner::after { content: attr(data-hover); position: absolute; top: 100%; left: 0; display: block; width: 100%; }
        .btn-artistic::after { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 1px; background-color: var(--primary-green); transform: scaleX(0.2); transform-origin: left; transition: transform 0.6s cubic-bezier(0.19, 1, 0.22, 1), background-color 0.4s ease; }
        .btn-artistic:hover { color: var(--accent-color); }
        .btn-artistic:hover .btn-text-inner { transform: translateY(-100%); }
        .btn-artistic:hover::after { transform: scaleX(1); background-color: var(--accent-color); }

         .gallery-container {
            margin-top: 80px;
        }

        .gallery-item {
            position: relative;
            overflow: hidden;
            margin-bottom: 30px;
            height: 300px;
        }

        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 1.2s cubic-bezier(0.22, 1, 0.36, 1);
        }

        .gallery-item:hover img {
            transform: scale(1.05);
        }

        .gallery-info {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            padding: 30px;
            background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
            color: #ffffff;
            opacity: 0;
            transform: translateY(10px);
            transition: all 0.6s cubic-bezier(0.22, 1, 0.36, 1);
        }

        .gallery-item:hover .gallery-info {
            opacity: 1;
            transform: translateY(0);
        }

        .gallery-title {
            font-size: 1.1rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            margin-bottom: 5px;
        }

        .gallery-cat {
            font-family: 'Montserrat', sans-serif;
            font-size: 0.65rem;
            letter-spacing: 0.15em;
            color: rgba(255,255,255,0.7);
            text-transform: uppercase;
        }

        /* --- Footer --- */
        footer { 
            padding: 120px 60px; 
            background: #f8f9f7; 
            text-align: center; 
            border-top: 1px solid #eaece8; 
        }

        .footer-logo-text { 
            font-size: 1rem; 
            font-weight: 700; 
            color: var(--primary-green); 
            letter-spacing: 0.4em; 
            margin-bottom: 40px; 
            display: block; 
        }
        
        .footer-nav { margin-bottom: 50px; }
        .footer-nav ul { list-style: none; padding: 0; display: flex; justify-content: center; flex-wrap: wrap; gap: 30px; }
        .footer-nav a { text-decoration: none; color: var(--text-dark); font-size: 0.85rem; letter-spacing: 0.2em; transition: color 0.3s; }
        .footer-nav a:hover { color: var(--accent-color); }

        .footer-sns { margin-bottom: 50px; display: flex; justify-content: center; gap: 25px; }
        .footer-sns a { color: var(--primary-green); transition: transform 0.3s; display: inline-block; }
        .footer-sns a:hover { transform: translateY(-3px); color: var(--accent-color); }

        .copyright { font-family: 'Montserrat', sans-serif; font-size: 0.65rem; color: #b0b5ae; letter-spacing: 0.15em; margin-top: 20px; }

        .section-padding { padding: 120px 0; }
        .section-index { font-family: 'Montserrat', sans-serif; font-size: 3.5rem; font-weight: 200; color: rgba(74, 93, 78, 0.15); line-height: 1; margin-bottom: 10px; }
        .section-heading-jp { font-size: 1.8rem; font-weight: 700; color: var(--primary-green); margin-bottom: 40px; }

        .company-table th { width: 30%; color: var(--primary-green); font-weight: 500; border-bottom: 1px solid #ddd; padding: 20px 0; }
        .company-table td { width: 70%; border-bottom: 1px solid #ddd; padding: 20px 0; }

        .contact-form .form-control { border-radius: 0; border: 1px solid #ccc; padding: 12px; }
        .contact-form .btn-submit { background: var(--primary-green); color: #fff; padding: 15px 40px; border-radius: 0; border: none; transition: 0.3s; }
        .contact-form .btn-submit:hover { background: var(--accent-color); }


        @media (max-width: 992px) {

       		.nav-links a { 
            color: white; 
            text-decoration: none; 
            font-size: 1.3rem; 
            letter-spacing: 0.3em; 
            transition: 0.4s; 
            font-weight: 300; 
        		}

		        .nav-links li { 
		            margin: 10px 0;
		        }

            .section-padding {
                padding: 100px 0;
            }
            .hero-title {
                font-size: 2.3rem;
                letter-spacing: 0.25em;
            }
            .vertical-serif-text {
                writing-mode: horizontal-tb;
                text-align: center;
                font-size: 1.4rem;
                letter-spacing: 0.3em;
                margin-bottom: 0px;
                line-height: 1.8;
            }
            .concept-circle-img {
                width: 220px;
                height: 220px;
            }
            .asym-image-wrapper {
                height: 380px;
                margin-bottom: 40px;
            }
            .gallery-item {
                height: 300px;
            }
            .footer-nav ul { flex-direction: column; gap: 15px; }

            .mobile-header-bar {
                display: flex;
            }

             .menu-trigger {
                top: 0;
                left: 10px;
                right: auto;
            }

            .menu-trigger .line {
                background-color: #fff !important; 
            }

            .menu-trigger.is-scrolled {
                top: 0;
                left: 10px;
                right: auto;
            }

             .company-logo-top {
                display: none !important;
            }
        }

				@media (max-width: 480px) {
				    .nav-links a {
				        font-size: 1.3rem; 
				    }
				    .nav-links li {
				        margin: 15px 0;
				    }

		        .section-heading-jp {
		            font-size: 1.5rem;
		            font-weight: 700;
		            letter-spacing: 0.15em;
		            color: var(--primary-green);
		            margin-bottom: 35px;
		            line-height: 1.5;
								text-align: left;
		        }
				}


#opening-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10006;
    
    opacity: 0;
    animation: 
        fadeInScreen 0.4s cubic-bezier(0.25, 1, 0.5, 1) forwards,
        fadeOutScreen 0.6s cubic-bezier(0.25, 1, 0.5, 1) forwards 1.0s; 
}

@keyframes fadeInScreen {
    to {
        opacity: 1;
    }
}

@keyframes fadeOutScreen {
    to {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
    }
}

.catchphrase {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 0.6em;
    color: #ffffff;
    text-align: center;
    opacity: 0;
    transform: translateY(10px);
    animation: fadeInText 0.2s cubic-bezier(0.33, 1, 0.68, 1) forwards;
    animation-delay: 0.2s;
}

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

.main-wrapper {
    width: 100%;
    min-height: 100vh;
    opacity: 0;
    animation: fadeInMain 0.3s cubic-bezier(0.33, 1, 0.68, 1) forwards;
    animation-delay: 0.5s;
    background-color: #fff; 
}

@keyframes fadeInMain {
    to {
        opacity: 1;
    }
}

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