:root {
    --ink: #211E1A;
    --ink-soft: #4A443C;
    --paper: #FAF8F4;
    --paper-soft: #F1EBE1;
    --accent-color: #A9793E;
    --accent-dark: #8A5F2C;
    --accent-light: #C9A876;
    --primary-color: #A9793E;
    --primary-dark: #8A5F2C;
    --primary-light: #C9A876;
    --secondary-color: #211E1A;
    --text-color: #211E1A;
    --text-light: #6B6259;
    --text-lighter: #9C9288;
    --bg-color: #FAF8F4;
    --bg-secondary: #F1EBE1;
    --border-color: #E2D9C9;
    --shadow: 0 1px 2px rgba(33, 30, 26, 0.06);
    --shadow-hover: 0 8px 24px rgba(33, 30, 26, 0.08);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius: 2px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-color);
    line-height: 1.7;
    background-color: var(--bg-color);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(250, 248, 244, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    border-bottom-color: var(--border-color);
    background: rgba(250, 248, 244, 0.98);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 84px;
}

.nav-logo {
    height: 42px;
}

.logo-img {
    height: 100%;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 44px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--ink);
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 0.06em;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent-color);
    transition: var(--transition);
}

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

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

.nav-link-cta {
    border: 1px solid var(--ink);
    color: var(--ink);
    padding: 9px 22px;
    border-radius: var(--radius);
}

.nav-link-cta::after {
    display: none;
}

.nav-link-cta:hover {
    background: var(--ink);
    color: var(--paper);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
}

.hamburger span {
    width: 25px;
    height: 1px;
    background: var(--ink);
    transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--paper);
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
    background-size: 64px 64px;
    opacity: 0.35;
    pointer-events: none;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    padding: 0 24px;
    position: relative;
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 28px;
}

.hero-title-main {
    font-family: 'Cormorant Garamond', 'Noto Serif JP', serif;
    font-size: clamp(52px, 8vw, 84px);
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--ink);
    font-style: italic;
}

.hero-title-sub {
    font-family: 'Noto Serif JP', serif;
    font-size: clamp(30px, 5vw, 52px);
    font-weight: 600;
    color: var(--ink);
    letter-spacing: 0.14em;
}

.hero-accent {
    width: 44px;
    height: 1px;
    background: var(--accent-color);
    margin: 0 auto 28px;
}

.hero-description {
    font-size: 17px;
    color: var(--text-light);
    line-height: 1.9;
    margin-bottom: 48px;
    letter-spacing: 0.02em;
}

.hero-cta {
    display: flex;
    gap: 18px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 15px 34px;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-decoration: none;
    border-radius: var(--radius);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid transparent;
    font-family: 'Noto Sans JP', sans-serif;
}

.btn-primary {
    background: var(--ink);
    color: var(--paper);
    border-color: var(--ink);
}

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

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

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

.btn-white {
    background: var(--paper);
    color: var(--ink);
    border-color: var(--paper);
}

.btn-white:hover {
    background: transparent;
    color: var(--paper);
    border-color: var(--paper);
}

.btn-link {
    padding: 0;
    color: var(--accent-color);
    font-weight: 600;
    background: none;
    letter-spacing: 0.04em;
    border: none;
}

.btn-link:hover {
    color: var(--accent-dark);
}

/* ===== SCROLL INDICATOR ===== */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-lighter);
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-family: 'Cormorant Garamond', serif;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent-color), transparent);
    animation: scroll-animation 2s infinite;
}

@keyframes scroll-animation {
    0%, 100% { opacity: 0; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(10px); }
}

/* ===== SECTIONS ===== */
.section {
    padding: 128px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-family: 'Noto Serif JP', serif;
    font-size: clamp(32px, 5vw, 44px);
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--ink);
    letter-spacing: 0.04em;
}

.section-subtitle {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: 18px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent-color);
    font-weight: 500;
    margin-bottom: 10px;
    display: block;
}

/* ===== MANAGEMENT PHILOSOPHY (home) ===== */
.origin-section {
    background:
        linear-gradient(180deg, rgba(20, 18, 15, 0.93), rgba(20, 18, 15, 0.91)),
        url('../images/office-bg.jpg') center 70% / cover no-repeat;
    color: var(--paper);
    padding: 128px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.origin-quote {
    font-family: 'Noto Serif JP', serif;
    font-size: clamp(17px, 2.4vw, 23px);
    font-weight: 400;
    letter-spacing: 0.16em;
    color: var(--accent-light);
    margin-bottom: 32px;
    line-height: 1.9;
}

.origin-title {
    font-family: 'Noto Serif JP', serif;
    font-size: clamp(24px, 4vw, 34px);
    font-weight: 600;
    color: var(--paper);
    margin-bottom: 32px;
    letter-spacing: 0.04em;
}

.origin-description {
    font-size: 15px;
    color: rgba(250, 248, 244, 0.68);
    line-height: 2.1;
    max-width: 720px;
    margin: 0 auto;
    letter-spacing: 0.02em;
}

/* ===== SERVICES PREVIEW ===== */
.services-preview {
    background: var(--bg-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1px;
    margin-bottom: 60px;
    background: var(--border-color);
    border: 1px solid var(--border-color);
}

.service-card {
    background: var(--paper);
    padding: 44px 34px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    background: var(--bg-secondary);
}

.service-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 26px;
    color: var(--accent-color);
}

.service-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 19px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--ink);
    letter-spacing: 0.02em;
}

.service-description {
    color: var(--text-light);
    line-height: 1.85;
    font-size: 14px;
    flex: 1;
}

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

/* ===== NEWS SECTION ===== */
.news-section {
    background: var(--bg-secondary);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1px;
    background: var(--border-color);
    border: 1px solid var(--border-color);
}

.news-card {
    background: var(--paper);
    padding: 40px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    background: var(--bg-color);
}

.news-badge {
    display: inline-block;
    background: transparent;
    color: var(--accent-color);
    font-size: 11px;
    font-weight: 600;
    padding: 4px 0;
    letter-spacing: 0.14em;
    margin-bottom: 16px;
    width: fit-content;
    border-bottom: 1px solid var(--accent-color);
}

.news-date {
    font-family: 'Cormorant Garamond', serif;
    font-size: 15px;
    color: var(--text-lighter);
    margin-bottom: 12px;
    letter-spacing: 0.06em;
}

.news-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 14px;
    line-height: 1.6;
}

.news-content {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.9;
    flex: 1;
}

.news-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-color);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-decoration: none;
    margin-top: 22px;
    transition: var(--transition);
}

.news-link:hover {
    color: var(--accent-dark);
}

/* ===== ABOUT PREVIEW ===== */
.about-preview {
    background: var(--bg-color);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text {
    padding-right: 20px;
}

.about-description {
    color: var(--text-light);
    margin-bottom: 24px;
    line-height: 1.95;
    font-size: 15px;
}

.about-image {
    position: relative;
}

.about-image-placeholder {
    aspect-ratio: 1;
    background: var(--ink);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px;
}

.about-image-placeholder img {
    width: 100%;
    height: auto;
    filter: brightness(0) invert(1);
    opacity: 0.92;
}

/* ===== CTA SECTION ===== */
.cta-section {
    background: var(--ink);
    color: var(--paper);
    text-align: center;
    padding: 108px 0;
}

.cta-title {
    font-family: 'Noto Serif JP', serif;
    font-size: clamp(30px, 5vw, 44px);
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.04em;
}

.cta-description {
    font-size: 16px;
    margin-bottom: 44px;
    opacity: 0.75;
    line-height: 1.9;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--ink);
    color: var(--paper);
    padding: 84px 0 40px;
    border-top: 1px solid rgba(250, 248, 244, 0.08);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    height: 42px;
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
}

.footer-description {
    color: rgba(250, 248, 244, 0.6);
    line-height: 1.8;
    font-size: 13px;
    letter-spacing: 0.03em;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.footer-heading {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: 17px;
    font-weight: 500;
    margin-bottom: 20px;
    color: var(--accent-light);
    letter-spacing: 0.04em;
}

.footer-list {
    list-style: none;
}

.footer-list li {
    margin-bottom: 12px;
}

.footer-list a {
    color: rgba(250, 248, 244, 0.6);
    text-decoration: none;
    transition: var(--transition);
    font-size: 13px;
    letter-spacing: 0.02em;
}

.footer-list a:hover {
    color: var(--accent-light);
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(250, 248, 244, 0.1);
    text-align: center;
    color: rgba(250, 248, 244, 0.4);
    font-size: 12px;
    letter-spacing: 0.04em;
}

/* ===== SOCIAL LINKS ===== */
.social-links {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.social-link {
    width: 38px;
    height: 38px;
    background: transparent;
    border: 1px solid rgba(250, 248, 244, 0.25);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--paper);
    transition: var(--transition);
    text-decoration: none;
}

.social-link:hover {
    border-color: var(--accent-light);
    color: var(--accent-light);
}

/* ===== ANIMATIONS ===== */
.fade-in {
    animation: fadeInUp 0.8s ease-out;
}

.fade-in-delay {
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.fade-in-delay-2 {
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== PAGE HEADER (inner pages) ===== */
.page-header {
    padding-top: 168px;
    padding-bottom: 84px;
    background: var(--paper);
    text-align: center;
}

.page-title {
    font-family: 'Noto Serif JP', serif;
    font-size: clamp(36px, 6vw, 50px);
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--ink);
    letter-spacing: 0.05em;
}

.page-subtitle {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: 18px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent-color);
    font-weight: 500;
}

/* ===== PHILOSOPHY (about page) ===== */
.philosophy-section {
    background: var(--paper);
    padding: 108px 0 128px;
    text-align: center;
}

.philosophy-statement {
    font-family: 'Noto Serif JP', serif;
    font-size: clamp(26px, 4.2vw, 40px);
    font-weight: 600;
    color: var(--ink);
    letter-spacing: 0.06em;
    line-height: 1.7;
    max-width: 760px;
    margin: 0 auto 32px;
}

.philosophy-lead {
    font-size: 15px;
    color: var(--text-light);
    line-height: 2;
    max-width: 640px;
    margin: 0 auto 72px;
}

.philosophy-pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border-color);
    border: 1px solid var(--border-color);
    max-width: 900px;
    margin: 0 auto;
    text-align: left;
}

.philosophy-pillar {
    background: var(--paper);
    padding: 40px 32px;
}

.philosophy-pillar-en {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: 16px;
    color: var(--accent-color);
    letter-spacing: 0.06em;
    margin-bottom: 12px;
}

.philosophy-pillar-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 19px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 14px;
}

.philosophy-pillar-text {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.9;
}

/* ===== COMPANY INFO TABLE ===== */
.company-info {
    background: var(--paper);
    padding: 84px 0;
}

.info-grid {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 0 40px;
    max-width: 900px;
    margin: 0 auto;
}

.info-label {
    font-weight: 600;
    color: var(--ink);
    padding: 18px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
    letter-spacing: 0.04em;
}

.info-value {
    color: var(--text-light);
    padding: 18px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
    line-height: 1.8;
}

.info-value a {
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition);
}

.info-value a:hover {
    color: var(--accent-dark);
}

/* ===== MESSAGE SECTION ===== */
.message-section {
    background: var(--bg-secondary);
    padding: 108px 0;
}

.message-content {
    max-width: 800px;
    margin: 0 auto;
}

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

.message-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 30px;
    font-weight: 600;
    margin-bottom: 14px;
    letter-spacing: 0.04em;
    color: var(--ink);
}

.message-role {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 8px;
    letter-spacing: 0.04em;
}

.message-name {
    font-family: 'Noto Serif JP', serif;
    font-size: 22px;
    font-weight: 600;
    color: var(--accent-color);
}

.message-text {
    line-height: 2.15;
    color: var(--text-light);
    font-size: 15px;
}

.message-text p {
    margin-bottom: 24px;
}

.message-text .message-sign {
    text-align: right;
    font-weight: 500;
    color: var(--ink);
    margin-top: 40px;
    font-size: 14px;
}

/* ===== VALUES SECTION ===== */
.values-section {
    padding: 108px 0;
    background: var(--paper);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1px;
    margin-top: 60px;
    background: var(--border-color);
    border: 1px solid var(--border-color);
}

.value-card {
    text-align: left;
    padding: 40px 32px;
    background: var(--paper);
    transition: var(--transition);
}

.value-card:hover {
    background: var(--bg-secondary);
}

.value-number {
    font-family: 'Cormorant Garamond', serif;
    font-size: 40px;
    font-style: italic;
    font-weight: 500;
    color: var(--accent-light);
    margin-bottom: 20px;
}

.value-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 19px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--ink);
}

.value-description {
    color: var(--text-light);
    line-height: 1.85;
    font-size: 13px;
}

/* ===== ORIGIN BOX (about page) ===== */
.origin-box-section {
    background:
        linear-gradient(180deg, rgba(20, 18, 15, 0.93), rgba(20, 18, 15, 0.91)),
        url('../images/office-bg.jpg') center 70% / cover no-repeat;
    padding: 84px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.origin-box-quote {
    font-family: 'Noto Serif JP', serif;
    font-size: clamp(16px, 2vw, 21px);
    font-weight: 400;
    letter-spacing: 0.14em;
    color: var(--accent-light);
    margin-bottom: 24px;
}

.origin-box-text {
    font-size: 14px;
    color: rgba(250, 248, 244, 0.68);
    line-height: 2.1;
    max-width: 700px;
    margin: 0 auto;
}

/* ===== SERVICE DETAIL (services page) ===== */
.service-detail {
    padding: 108px 0;
}

.service-detail:nth-child(even) {
    background: var(--bg-secondary);
}

.service-detail-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.service-detail:nth-child(even) .service-detail-content {
    direction: rtl;
}

.service-detail:nth-child(even) .service-detail-text {
    direction: ltr;
}

.service-detail-text h2 {
    font-family: 'Noto Serif JP', serif;
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 18px;
    color: var(--ink);
    letter-spacing: 0.03em;
}

.service-detail-subtitle {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: 16px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent-color);
    font-weight: 500;
    margin-bottom: 12px;
}

.service-detail-description {
    color: var(--text-light);
    line-height: 1.95;
    margin-bottom: 28px;
    font-size: 15px;
}

.service-features {
    list-style: none;
    margin-bottom: 24px;
}

.service-features li {
    padding-left: 26px;
    position: relative;
    margin-bottom: 14px;
    color: var(--text-light);
    font-size: 14px;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 12px;
    height: 1px;
    background: var(--accent-color);
}

.service-detail-image {
    aspect-ratio: 4/3;
    background: var(--ink);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px;
}

.service-detail-image svg {
    width: 100%;
    height: auto;
    max-width: 160px;
    color: var(--accent-light);
    stroke-width: 1.2;
}

.service-info-box {
    background: var(--bg-secondary);
    padding: 22px 26px;
    margin-top: 16px;
    border-left: 2px solid var(--accent-color);
}

.service-info-box h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
    letter-spacing: 0.06em;
}

.service-info-box p, .service-info-box ul {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.85;
}

.service-info-box ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.service-info-box ul li {
    background: var(--paper);
    border: 1px solid var(--border-color);
    padding: 3px 12px;
    font-size: 12px;
}

.instagram-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--ink);
    color: var(--paper);
    padding: 13px 26px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.04em;
    transition: var(--transition);
    margin-top: 16px;
}

.instagram-btn:hover {
    background: var(--accent-color);
    color: var(--paper);
}

/* ===== CONTACT PAGE ===== */
.contact-section {
    padding: 108px 0;
    background: var(--paper);
}

.contact-container {
    max-width: 800px;
    margin: 0 auto;
}

.contact-intro {
    text-align: center;
    margin-bottom: 60px;
}

.contact-intro p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 15px;
}

.contact-form {
    background: var(--bg-secondary);
    padding: 60px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 28px;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--ink);
    font-size: 14px;
    letter-spacing: 0.03em;
}

.form-label .required {
    color: var(--accent-color);
    margin-left: 4px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 15px;
    font-family: 'Noto Sans JP', sans-serif;
    transition: var(--transition);
    background: var(--paper);
    color: var(--ink);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(169, 121, 62, 0.12);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: #b3453a;
}

.form-textarea {
    min-height: 160px;
    resize: vertical;
}

.form-error {
    display: none;
    color: #b3453a;
    font-size: 13px;
    margin-top: 6px;
}

.form-error.visible {
    display: block;
}

/* Privacy consent */
.privacy-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 14px;
    color: var(--ink);
    line-height: 1.6;
    font-weight: normal;
}

.privacy-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    min-width: 18px;
    margin-top: 3px;
    accent-color: var(--accent-color);
    cursor: pointer;
}

.privacy-label a {
    color: var(--accent-color);
    text-decoration: underline;
}

.form-button {
    width: 100%;
    padding: 16px 32px;
    background: var(--ink);
    color: var(--paper);
    border: 1px solid var(--ink);
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.06em;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Noto Sans JP', sans-serif;
    margin-top: 8px;
}

.form-button:hover {
    background: transparent;
    color: var(--ink);
}

/* Contact info cards */
.contact-info {
    background: var(--bg-secondary);
    padding: 84px 0;
}

.info-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1px;
    max-width: 1000px;
    margin: 0 auto;
    background: var(--border-color);
    border: 1px solid var(--border-color);
}

.info-card {
    background: var(--paper);
    padding: 44px 32px;
    text-align: center;
    transition: var(--transition);
}

.info-card:hover {
    background: var(--bg-secondary);
}

.info-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: var(--accent-color);
}

.info-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--ink);
}

.info-text {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.85;
}

.info-text a {
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition);
}

.info-text a:hover {
    color: var(--accent-dark);
}

/* Map */
.map-section {
    padding: 0 0 84px;
    background: var(--bg-secondary);
}

.map-container {
    width: 100%;
    max-width: 1000px;
    height: 400px;
    margin: 0 auto;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
    filter: grayscale(0.4) contrast(1.05);
}

/* ===== UTILITY ===== */
.sp-only {
    display: none;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 84px;
        flex-direction: column;
        background: rgba(250, 248, 244, 0.98);
        backdrop-filter: blur(10px);
        width: 100%;
        padding: 40px 0;
        border-top: 1px solid var(--border-color);
        transition: var(--transition);
        gap: 24px;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .about-text {
        padding-right: 0;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .philosophy-pillars {
        grid-template-columns: 1fr;
    }

    .sp-only {
        display: inline;
    }

    .section {
        padding: 84px 0;
    }

    .origin-section {
        padding: 84px 0;
    }

    .service-detail-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .service-detail:nth-child(even) .service-detail-content {
        direction: ltr;
    }

    .info-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .info-label {
        padding: 12px 0 4px;
        border-bottom: none;
        font-size: 12px;
        color: var(--text-lighter);
    }

    .info-value {
        padding: 0 0 16px;
    }

    .contact-form {
        padding: 40px 24px;
    }

    .map-container {
        height: 300px;
    }
}

@media (max-width: 640px) {
    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

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

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