/* Google Fonts are loaded in HTML */

:root {
    /* Nordic Color Palette */
    --bg-base: #FDFBF7;
    /* 淡いパステルイエロー系のオフホワイト */
    --bg-alt: #F3EFE6;
    /* セクション背景用の少し濃いベージュ */
    --text-main: #2C4C3B;
    /* 森のような落ち着いたグリーン（メインテキスト・見出し） */
    --text-light: #4A6B58;
    /* 少し明るいグリーンテキスト */
    --accent-brown: #8C6239;
    /* 樹木のようなブラウン */
    --accent-blue: #6B9AC4;
    /* 湖のようなブルー（ホバーやアクセント） */

    --white: #FFFFFF;
    --black: #1A1A1A;

    /* Typography */
    --font-heading: 'Shippori Mincho', serif;
    --font-body: 'Noto Sans JP', sans-serif;

    /* Layout */
    --container-width: 1100px;
    --header-height: 80px;

    /* Utilities */
    --transition-fast: 0.3s ease;
    --transition-slow: 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    --shadow-sm: 0 4px 12px rgba(44, 76, 59, 0.05);
    --shadow-md: 0 8px 24px rgba(44, 76, 59, 0.08);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-base);
}

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

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
}

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

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

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

.section {
    padding: 120px 0;
    position: relative;
}

/* Typography Classes */
.section-subtitle {
    display: block;
    font-family: var(--font-body);
    font-size: 0.85rem;
    letter-spacing: 0.2em;
    color: var(--accent-brown);
    margin-bottom: 12px;
    text-transform: uppercase;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 500;
    color: var(--text-main);
    margin-bottom: 40px;
    line-height: 1.4;
}

.text-center {
    text-align: center;
}

.hidden-mobile {
    display: inline;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(253, 251, 247, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition-fast);
    border-bottom: 1px solid rgba(44, 76, 59, 0.05);
}

.header.scrolled {
    height: 70px;
    background: rgba(253, 251, 247, 0.98);
    box-shadow: var(--shadow-sm);
}

.header-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    height: 40px;
    width: auto;
    mix-blend-mode: multiply;
    transition: var(--transition-fast);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--text-main);
}

.logo:hover .logo-icon {
    opacity: 0.8;
}

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

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

.nav-link:hover {
    color: var(--accent-brown);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--accent-brown);
    transition: width var(--transition-fast);
}

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

.btn-contact {
    display: inline-block;
    padding: 10px 24px;
    background-color: var(--text-main);
    color: var(--white);
    border-radius: 4px;
    transition: var(--transition-fast);
}

.btn-contact::after {
    display: none;
}

.btn-contact:hover {
    background-color: var(--accent-blue);
    color: var(--white);
    transform: translateY(-2px);
}

.mobile-menu-btn {
    display: none;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 1001;
}

.mobile-menu-btn span {
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: var(--text-main);
    transition: var(--transition-fast);
}

.mobile-menu-btn span:nth-child(1) {
    top: 0;
}

.mobile-menu-btn span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.mobile-menu-btn span:nth-child(3) {
    bottom: 0;
}

.mobile-menu-btn.active span:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}

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

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


/* Hero Section */
.hero {
    height: 100vh;
    min-height: 600px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* 朝日のレンズフレア表現 */
    background:
        radial-gradient(circle at 15% 20%, rgba(255, 250, 220, 0.8) 0%, rgba(255, 240, 180, 0.4) 15%, transparent 40%),
        radial-gradient(circle at 15% 20%, rgba(255, 255, 255, 1) 0%, transparent 5%),
        radial-gradient(circle at 35% 35%, rgba(255, 200, 100, 0.15) 0%, transparent 10%),
        radial-gradient(circle at 45% 45%, rgba(100, 200, 255, 0.1) 0%, transparent 8%),
        radial-gradient(circle at 60% 55%, rgba(255, 255, 255, 0.05) 0%, transparent 20%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.6) 0%, rgba(253, 251, 247, 0.1) 40%, transparent 60%);
    pointer-events: none;
    z-index: 1;
    mix-blend-mode: screen;
    animation: lensFlare 8s ease-in-out infinite alternate;
}

@keyframes lensFlare {
    0% {
        transform: scale(1) translate(0, 0);
        opacity: 0.85;
    }

    100% {
        transform: scale(1.05) translate(2%, 2%);
        opacity: 1;
    }
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* 北欧の森や湖を思わせるグラデーションと画像のオーバーレイ */
    background: linear-gradient(135deg, rgba(253, 251, 247, 0.8) 0%, rgba(220, 230, 222, 0.4) 100%),
        url('https://images.unsplash.com/photo-1441974231531-c6227db76b6e?auto=format&fit=crop&q=80&w=2560&ixlib=rb-4.0.3') center/cover no-repeat;
    z-index: -1;
    animation: slowZoom 20s infinite alternate;
}

@keyframes slowZoom {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.05);
    }
}

.hero-content {
    text-align: center;
    padding: 0 24px;
    max-width: 800px;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 30px;
    color: var(--text-main);
    text-shadow: 0 2px 10px rgba(253, 251, 247, 0.9), 0 0 20px rgba(253, 251, 247, 0.7);
}

.hero-subtitle {
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--text-main);
    line-height: 2.2;
    text-shadow: 0 2px 8px rgba(253, 251, 247, 1), 0 0 15px rgba(253, 251, 247, 0.9), 0 0 30px rgba(253, 251, 247, 0.6);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0.8;
    transition: var(--transition-fast);
    z-index: 2;
}

.scroll-indicator:hover {
    opacity: 1;
}

.scroll-indicator span {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.mouse {
    width: 24px;
    height: 36px;
    border: 1px solid var(--text-main);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 2px;
    height: 6px;
    background-color: var(--accent-brown);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% {
        transform: translate(-50%, 0);
        opacity: 1;
    }

    100% {
        transform: translate(-50%, 15px);
        opacity: 0;
    }
}

/* Philosophy Section */
.philosophy {
    background-color: var(--white);
    text-align: center;
}

.philosophy-content {
    max-width: 700px;
    margin: 0 auto;
}

.philosophy-statement {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--accent-brown);
    margin-bottom: 30px;
    font-weight: 500;
}

.philosophy-text {
    font-size: 1.1rem;
    color: var(--text-light);
}

/* VMV Section */
.vmv-section {
    margin-top: 80px;
    display: flex;
    flex-direction: column;
    gap: 32px;
    text-align: left;
}

@media screen and (min-width: 768px) {
    .vmv-section {
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
    }
}

.vmv-block {
    background-color: var(--bg-alt);
    padding: 40px;
    border-radius: 12px;
    border-left: 6px solid var(--accent-brown);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.vmv-block:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.vmv-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--text-main);
    margin-bottom: 8px;
    letter-spacing: 0.1em;
}

.vmv-subtitle {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-brown);
    margin-bottom: 20px;
    line-height: 1.6;
}

.vmv-text {
    font-size: 1.05rem;
    color: var(--text-light);
    line-height: 1.8;
}

.vmv-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.vmv-item h4 {
    font-size: 1.15rem;
    color: var(--text-main);
    margin-bottom: 8px;
    font-weight: 700;
}

.vmv-item p {
    font-size: 1.05rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* Services Section */
.services {
    background-color: var(--bg-base);
    /* Updated to alternate background color to separate from VMV blocks */
}

.section-lead {
    font-size: 1.25rem;
    color: var(--accent-brown);
    margin-bottom: 60px;
    font-family: var(--font-heading);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.service-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.service-card {
    background-color: var(--white);
    padding: 50px 40px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
    height: 100%;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--accent-blue);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 60px;
    height: 60px;
    background-color: var(--bg-base);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--accent-brown);
    transition: var(--transition-fast);
}

.service-card:hover .service-icon {
    background-color: var(--accent-blue);
    color: var(--white);
}

.service-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    margin-bottom: 16px;
}

.service-desc {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Message Section */
.message {
    background-color: var(--white);
    overflow: hidden;
}

.message-wrapper {
    display: flex;
    align-items: center;
    gap: 80px;
}

.message-image {
    flex: 1;
    position: relative;
}

.message-image::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    background-color: var(--bg-alt);
    border-radius: 8px;
    z-index: 0;
}

.profile-img {
    position: relative;
    z-index: 1;
    border-radius: 8px;
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    box-shadow: var(--shadow-md);
}

.image-accent {
    position: absolute;
    bottom: -30px;
    left: -30px;
    width: 120px;
    height: 120px;
    background-color: var(--accent-blue);
    border-radius: 50%;
    z-index: 2;
    opacity: 0.2;
}

.message-content {
    flex: 1;
}

.message-text p {
    margin-bottom: 20px;
    color: var(--text-light);
}

.message-signature {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(44, 76, 59, 0.1);
}

.message-signature .role {
    font-size: 0.85rem;
    color: var(--accent-brown);
    margin-bottom: 4px;
}

.message-signature .name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 500;
}

/* Contact Section */
.contact {
    background-color: var(--bg-alt);
    padding-bottom: 150px;
}

.contact-card {
    background-color: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    padding: 60px;
    max-width: 800px;
    margin: 0 auto;
    transform: translateY(50px);
}

.contact-desc {
    margin-bottom: 40px;
    color: var(--text-light);
}

.contact-details {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(44, 76, 59, 0.1);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-main);
    font-weight: 500;
}

.contact-item svg {
    color: var(--accent-blue);
}

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

.form-control {
    width: 100%;
    padding: 16px;
    border: 1px solid rgba(44, 76, 59, 0.2);
    border-radius: 4px;
    background-color: var(--bg-base);
    font-family: inherit;
    font-size: 1rem;
    color: var(--text-main);
    transition: var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-blue);
    background-color: var(--white);
    box-shadow: 0 0 0 3px rgba(107, 154, 196, 0.1);
}

.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 16px;
    font-size: 1.1rem;
    font-weight: 500;
    border-radius: 4px;
    transition: var(--transition-fast);
}

.btn-primary {
    background-color: var(--text-main);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--accent-brown);
}

.btn-secondary {
    background-color: var(--accent-blue);
    color: var(--white);
    text-decoration: none;
    margin-bottom: 40px;
}

.btn-secondary:hover {
    background-color: var(--text-main);
}

/* Footer */
.footer {
    background-color: var(--text-main);
    color: var(--bg-base);
    padding: 80px 0 40px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 60px;
}

.footer-logo-wrapper {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 12px;
}

.footer-logo-icon {
    height: 80px;
    width: 80px;
    object-fit: contain;
    background-color: var(--white);
    padding: 12px;
    border-radius: 12px;
}

.footer-logo-wrapper h2 {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    letter-spacing: 0.1em;
    color: var(--white);
    margin-bottom: 0;
}

.footer-address {
    margin-top: 16px;
    color: rgba(253, 251, 247, 0.7);
    font-size: 0.9rem;
}

.footer-links ul {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: rgba(253, 251, 247, 0.8);
    transition: var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(253, 251, 247, 0.1);
    color: rgba(253, 251, 247, 0.5);
    font-size: 0.85rem;
}

/* Animation Classes */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.is-visible {
    opacity: 1;
    transform: translate(0);
}

.delay-1 {
    transition-delay: 0.1s;
}

.delay-2 {
    transition-delay: 0.2s;
}

.delay-3 {
    transition-delay: 0.3s;
}

/* Responsive Design */
@media screen and (max-width: 992px) {
    .section {
        padding: 80px 0;
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .message-wrapper {
        flex-direction: column;
        gap: 40px;
    }

    .message-image {
        width: 80%;
        margin: 0 auto;
    }
}

@media screen and (max-width: 768px) {
    .hidden-mobile {
        display: none;
    }

    .header-container {
        padding: 0 20px;
    }

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

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--white);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.05);
        transition: right var(--transition-slow);
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .nav.nav-open {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }

    .hero-title {
        font-size: 2.2rem;
    }

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

    .contact-card {
        padding: 40px 20px;
    }

    .contact-details {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .footer-content {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }

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