/* =========================================================
   株式会社カナヤマ — Monochrome Minimal Redesign
   ========================================================= */

:root {
    --c-base: #ffffff;
    --c-sub-base: #f5f5f5;
    --c-product-area: #eef3f6;
    --c-ink: #0a0a0a;
    --c-sub-ink: #6b6b6b;
    --c-line: #e5e5e5;
    --c-accent: #000000;

    --font-en: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-jp: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', YuGothic, Meiryo, sans-serif;

    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);

    --max-w: 1280px;
    --pad-x: clamp(1.5rem, 5vw, 5rem);
    --pad-y: clamp(6rem, 10vw, 10rem);
    --anchor-offset: 6rem;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

section[id] {
    scroll-margin-top: var(--anchor-offset);
}

body {
    font-family: var(--font-jp);
    font-weight: 400;
    line-height: 1.7;
    color: var(--c-ink);
    background: var(--c-base);
    font-feature-settings: "palt";
    letter-spacing: 0.02em;
}

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

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

a:focus-visible,
button:focus-visible {
    outline: 3px solid #3b82f6;
    outline-offset: 4px;
}

ul {
    list-style: none;
}

.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--pad-x);
}

.policy-page {
    background: var(--c-base);
}

.policy-main {
    padding-top: 6rem;
}

.policy-hero {
    padding: clamp(5rem, 8vw, 8rem) 0 clamp(2rem, 4vw, 4rem);
    border-bottom: 1px solid var(--c-line);
}

.policy-lead {
    max-width: 860px;
    color: var(--c-sub-ink);
    font-size: clamp(1rem, 1.5vw, 1.1rem);
    line-height: 2;
}

.policy-updated {
    margin-top: 1.5rem;
    color: var(--c-sub-ink);
    font-size: 0.9rem;
}

.policy-content {
    padding: clamp(3rem, 7vw, 7rem) 0;
}

.policy-container {
    max-width: 980px;
}

.policy-section {
    padding: 2.5rem 0;
    border-bottom: 1px solid var(--c-line);
}

.policy-section:first-child {
    padding-top: 0;
}

.policy-section h2 {
    font-size: clamp(1.25rem, 2vw, 1.65rem);
    font-weight: 500;
    margin-bottom: 1rem;
    letter-spacing: 0.04em;
}

.policy-section p,
.policy-section li {
    color: var(--c-sub-ink);
    line-height: 2;
}

.policy-section ul {
    display: grid;
    gap: 0.6rem;
    margin-top: 1rem;
    padding-left: 1.4rem;
    list-style: disc;
}

.policy-contact {
    margin-top: 1rem;
    padding: 1.25rem 1.5rem;
    background: var(--c-sub-base);
    border: 1px solid var(--c-line);
}

.policy-contact p {
    color: var(--c-ink);
}

.policy-back {
    margin-top: 3rem;
}

.policy-back a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0.75rem 1.25rem;
    border: 1px solid var(--c-ink);
    font-weight: 500;
    transition: background 0.25s var(--ease-out-expo), color 0.25s var(--ease-out-expo);
}

.policy-back a:hover {
    background: var(--c-ink);
    color: var(--c-base);
}

/* =========================================================
   Header / Nav
   ========================================================= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0);
    border-bottom: 1px solid transparent;
    transition: background 0.4s var(--ease-out-expo), border-color 0.4s var(--ease-out-expo), backdrop-filter 0.4s var(--ease-out-expo);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom-color: var(--c-line);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 1.25rem var(--pad-x);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-en);
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 0.01em;
    color: var(--c-ink);
}

body:not(.policy-page) .nav-brand {
    transform: translateX(calc(225px + clamp(-10rem, -8vw, -5rem)));
}

.brand-icon {
    width: 28px;
    height: 28px;
    object-fit: contain;
    flex: 0 0 auto;
    mix-blend-mode: multiply;
}

.nav-brand .brand-mark {
    font-weight: 700;
}

.nav-brand .brand-dot {
    color: var(--c-ink);
}

.nav-brand .brand-sub {
    font-family: var(--font-jp);
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--c-ink);
    letter-spacing: 0.08em;
}

.nav-menu {
    display: flex;
    gap: 2.5rem;
    align-items: center;
    font-family: var(--font-jp);
    font-size: 0.88rem;
    font-weight: 500;
}

.nav-menu a {
    position: relative;
    color: var(--c-ink);
    transition: color 0.3s var(--ease-out-expo);
    padding: 0.25rem 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 1px;
    background: var(--c-ink);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.5s var(--ease-out-expo);
}

.nav-menu a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    height: 20px;
    background: transparent;
    border: 0;
    cursor: pointer;
    padding: 0;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 1px;
    background: var(--c-ink);
    transition: transform 0.4s var(--ease-out-expo), opacity 0.3s var(--ease-out-expo);
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    overflow: hidden;
    background-color: var(--c-base);
    background-image: url("image/hero-background.webp");
    background-position: center right;
    background-repeat: no-repeat;
    background-size: cover;
}

.hero-bg-type {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-en);
    font-weight: 700;
    font-size: clamp(10rem, 22vw, 22rem);
    letter-spacing: -0.04em;
    color: #f0f0f0;
    line-height: 1;
    white-space: nowrap;
    pointer-events: none;
    user-select: none;
    z-index: 0;
    will-change: transform;
}

.hero-inner {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--pad-x);
}

.hero-copy {
    max-width: 640px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transform: translateX(clamp(-10rem, -8vw, -5rem));
}

.hero-title {
    font-family: var(--font-jp);
    font-weight: 500;
    font-size: clamp(2.5rem, 6vw, 5rem);
    line-height: 1.25;
    letter-spacing: 0.02em;
    color: var(--c-ink);
    margin-bottom: 1.5rem;
    width: 100%;
}

.hero-title .accent {
    display: block;
    font-weight: 300;
}

.hero-sub-en {
    font-family: var(--font-en);
    font-size: clamp(0.85rem, 1.1vw, 1rem);
    font-weight: 400;
    letter-spacing: 0.15em;
    color: var(--c-sub-ink);
    margin-bottom: 2.5rem;
    text-transform: uppercase;
}

.hero-desc {
    font-size: 0.95rem;
    color: var(--c-sub-ink);
    line-height: 1.9;
    margin-bottom: 3rem;
    max-width: 32em;
}

.hero-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
}

.hero-link {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-jp);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--c-base);
    background: var(--c-ink);
    padding: 1rem 1.25rem;
    border: 1px solid var(--c-ink);
    border-radius: 2px;
    box-shadow: 0 8px 24px rgba(10, 10, 10, 0.12);
    cursor: pointer;
    transition: background 0.4s var(--ease-out-expo), color 0.4s var(--ease-out-expo), box-shadow 0.4s var(--ease-out-expo), transform 0.4s var(--ease-out-expo);
    width: min(100%, 280px);
}

.hero-link::after {
    content: '→';
    margin-left: auto;
    font-family: var(--font-en);
    font-weight: 300;
    transition: transform 0.4s var(--ease-out-expo);
}

.hero-link:hover {
    background: var(--c-base);
    color: var(--c-ink);
    box-shadow: 0 12px 32px rgba(10, 10, 10, 0.18);
    transform: translateY(-2px);
}

.hero-link:focus-visible {
    outline: 3px solid rgba(10, 10, 10, 0.35);
    outline-offset: 3px;
}

.hero-link:hover::after {
    transform: translateX(6px);
}

/* =========================================================
   Section base
   ========================================================= */
section {
    padding: var(--pad-y) 0;
}

.section-head {
    display: flex;
    align-items: baseline;
    gap: 2rem;
    margin-bottom: 5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--c-line);
}

.section-num {
    font-family: var(--font-en);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--c-sub-ink);
    flex-shrink: 0;
}

.section-title-main {
    font-family: var(--font-jp);
    font-size: clamp(1.8rem, 3.5vw, 3rem);
    font-weight: 400;
    letter-spacing: 0.04em;
    color: var(--c-ink);
    line-height: 1;
}

/* =========================================================
   About
   ========================================================= */
.company-profile {
    display: grid;
    grid-template-columns: minmax(220px, 0.8fr) 2fr;
    gap: 4rem;
    margin-bottom: 5rem;
    border-top: 1px solid var(--c-line);
    border-bottom: 1px solid var(--c-line);
}

.company-profile-heading {
    padding: 1.25rem 0;
}

.company-profile-heading h3 {
    font-family: var(--font-jp);
    font-size: 1.35rem;
    font-weight: 500;
    letter-spacing: 0.05em;
}

.company-profile-list {
    border-left: 1px solid var(--c-line);
}

.company-profile-row {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 2rem;
    padding: 1.25rem 2rem;
    border-bottom: 1px solid var(--c-line);
}

.company-profile-row:last-child {
    border-bottom: 0;
}

.company-profile-row dt {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    color: var(--c-sub-ink);
}

.company-profile-row dd {
    font-size: 0.92rem;
    line-height: 1.8;
    color: var(--c-ink);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-top: 1px solid var(--c-line);
}

.about-item {
    padding: 3rem 2rem;
    border-bottom: 1px solid var(--c-line);
    border-right: 1px solid var(--c-line);
}

.about-item:last-child {
    border-right: 0;
}

.about-num {
    font-family: var(--font-en);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--c-sub-ink);
    margin-bottom: 2rem;
}

.about-item h3 {
    font-family: var(--font-jp);
    font-weight: 500;
    font-size: 1.35rem;
    color: var(--c-ink);
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
}

.about-item p {
    font-size: 0.9rem;
    line-height: 1.9;
    color: var(--c-sub-ink);
}

.about-item .message-signature {
    margin-top: 1.25rem;
    color: var(--c-ink);
    font-weight: 500;
    text-align: right;
}

/* =========================================================
   Business
   ========================================================= */
.business {
    background: var(--c-sub-base);
}

.business-list {
    border-top: 1px solid var(--c-line);
}

.business-row {
    display: grid;
    grid-template-columns: 100px 1fr 1.2fr;
    gap: 3rem;
    padding: 3.5rem 0;
    border-bottom: 1px solid var(--c-line);
    align-items: start;
}

.business-row .biz-num {
    font-family: var(--font-en);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 200;
    color: var(--c-ink);
    line-height: 1;
}

.business-row .biz-title {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.business-row .biz-title h3 {
    font-family: var(--font-jp);
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--c-ink);
    letter-spacing: 0.05em;
}

.business-row .biz-body {
    font-size: 0.92rem;
    line-height: 1.9;
    color: var(--c-sub-ink);
}

.business-row .biz-body p {
    margin-bottom: 1.5rem;
}

.business-row .biz-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    font-family: var(--font-jp);
    font-size: 0.85rem;
    color: var(--c-ink);
}

.business-row .biz-features li {
    position: relative;
    padding-left: 1rem;
}

.business-row .biz-features li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--c-sub-ink);
}

/* =========================================================
   Achievements (products)
   ========================================================= */
.products-note {
    max-width: 760px;
    margin: -2.5rem 0 2.5rem;
    color: var(--c-sub-ink);
    font-size: 0.88rem;
    line-height: 1.9;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--c-line);
    border: 1px solid var(--c-line);
}

.product-container {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--c-base);
    overflow: hidden;
    cursor: default;
}

.product-image-area {
    position: relative;
    aspect-ratio: 3 / 2;
    overflow: hidden;
    background: var(--c-base);
    transition: transform 0.8s var(--ease-out-expo);
}

.product-image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s var(--ease-out-expo);
}

.product-container:hover .product-image {
    transform: scale(1.08);
}

.product-title {
    position: static;
    width: 100%;
    padding: 1rem 1.25rem;
    background: rgba(10, 10, 10, 0.92);
    color: var(--c-base);
    font-family: var(--font-jp);
    font-size: 0.88rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-title::after {
    content: none;
}

/* =========================================================
   Product detail sections
   ========================================================= */
.product-detail-section {
    padding: clamp(2.5rem, 4vw, 4rem) 0;
    background: var(--c-product-area);
}

.product-detail-section .container {
    display: grid;
    grid-template-columns: minmax(180px, 0.55fr) 2.5fr;
    gap: 3rem;
    align-items: start;
}

.product-detail-section .section-head {
    display: block;
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: 0;
}

.product-detail-section .section-title-main {
    font-size: clamp(1.5rem, 2.5vw, 2.25rem);
}

.product-detail-section:nth-of-type(even) {
    background: var(--c-base);
}

.product-detail-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    border-top: 1px solid var(--c-line);
    border-bottom: 1px solid var(--c-line);
}

.product-detail-item {
    position: relative;
    aspect-ratio: 1 / 1;
    background:
        radial-gradient(ellipse at 50% 20%, rgba(255, 255, 255, 1) 0%, rgba(245, 245, 245, 0.6) 55%, rgba(230, 230, 230, 0.35) 100%),
        linear-gradient(180deg, #fafafa 0%, #efefef 100%);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem 1.5rem;
    border-right: 1px solid var(--c-line);
    transition: background 0.6s var(--ease-out-expo), transform 0.6s var(--ease-out-expo);
}

.product-detail-item:last-child {
    border-right: none;
}

.product-detail-item::after {
    content: '';
    position: absolute;
    left: 1.25rem;
    right: 1.25rem;
    bottom: 1.25rem;
    height: 1px;
    background: var(--c-ink);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.7s var(--ease-out-expo);
}

.product-detail-section:nth-of-type(even) .product-detail-item {
    background:
        radial-gradient(ellipse at 50% 20%, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0.95) 55%, rgba(248, 248, 248, 0.9) 100%),
        #ffffff;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.02);
}

.product-detail-section:nth-of-type(even) .product-detail-grid {
    border-color: #d5d5d5;
}

.product-detail-section:nth-of-type(even) .product-detail-item {
    border-right-color: #d5d5d5;
}

.product-detail-item:hover {
    background:
        radial-gradient(ellipse at 50% 15%, rgba(255, 255, 255, 1) 0%, rgba(250, 250, 250, 0.9) 60%, rgba(240, 240, 240, 0.85) 100%),
        #ffffff;
    transform: translateY(-6px);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
    z-index: 1;
}

.product-detail-item:hover::after {
    transform: scaleX(1);
    background: var(--c-ink);
}

.product-detail-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.7s var(--ease-out-expo), filter 0.6s var(--ease-out-expo);
}

.product-detail-item:hover .product-detail-image {
    transform: scale(1.06);
    filter: drop-shadow(0 16px 32px rgba(0, 0, 0, 0.18));
}

@media (max-width: 900px) {
    .product-detail-grid {
        grid-template-columns: repeat(2, 1fr);
        border-top: none;
        border-bottom: none;
    }
    .product-detail-item {
        border: 1px solid var(--c-line);
        margin: -1px 0 0 -1px;
    }
    .product-detail-item:nth-child(5) {
        grid-column: 1 / -1;
        aspect-ratio: 2 / 1.3;
    }
}

/* =========================================================
   Contact
   ========================================================= */
.contact {
    background: var(--c-sub-base);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    margin-bottom: 5rem;
}

.contact-info h3,
.contact-form h3 {
    font-family: var(--font-jp);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    color: var(--c-sub-ink);
    margin-bottom: 2.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--c-line);
}

.contact-item {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 2rem;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--c-line);
    align-items: start;
}

.contact-item .label {
    font-family: var(--font-jp);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    color: var(--c-sub-ink);
    padding-top: 0.15rem;
}

.contact-item .value h4 {
    font-family: var(--font-jp);
    font-size: 1rem;
    font-weight: 500;
    color: var(--c-ink);
    margin-bottom: 0.25rem;
}

.contact-item .value p {
    font-size: 0.88rem;
    line-height: 1.7;
    color: var(--c-sub-ink);
}

.contact-link {
    text-decoration: underline;
    text-decoration-color: transparent;
    text-underline-offset: 0.25em;
    transition: color 0.25s var(--ease-out-expo), text-decoration-color 0.25s var(--ease-out-expo);
}

.contact-link:hover,
.contact-link:focus-visible {
    color: var(--c-ink);
    text-decoration-color: currentColor;
}

.contact-form {
    display: flex;
    flex-direction: column;
}

.contact-description {
    font-size: 0.92rem;
    line-height: 1.9;
    color: var(--c-sub-ink);
    margin-bottom: 2.5rem;
}

.btn-form {
    display: inline-flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    padding: 1.25rem 1.75rem;
    background: var(--c-ink);
    color: var(--c-base);
    font-family: var(--font-jp);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    border: 1px solid var(--c-ink);
    transition: background 0.4s var(--ease-out-expo), color 0.4s var(--ease-out-expo), padding 0.4s var(--ease-out-expo);
    max-width: 100%;
}

.btn-form::after {
    content: '→';
    font-family: var(--font-en);
    font-weight: 300;
    transition: transform 0.4s var(--ease-out-expo);
}

.btn-form:hover {
    background: var(--c-base);
    color: var(--c-ink);
    padding-left: 2.25rem;
}

.btn-form:hover::after {
    transform: translateX(6px);
}

.contact-note {
    margin-top: 1rem;
}

.contact-note small {
    font-size: 0.75rem;
    color: var(--c-sub-ink);
    letter-spacing: 0.05em;
}

.map-heading {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.map-container h3 {
    font-family: var(--font-jp);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    color: var(--c-sub-ink);
}

.map-external-link {
    color: var(--c-sub-ink);
    font-size: 0.8rem;
    text-decoration: underline;
    text-underline-offset: 0.3em;
    transition: color 0.25s var(--ease-out-expo);
}

.map-external-link:hover {
    color: var(--c-ink);
}

.map {
    overflow: hidden;
    border: 1px solid var(--c-line);
}

.map iframe {
    display: block;
    width: 100%;
    height: 320px;
    border: 0;
}

/* =========================================================
   Footer
   ========================================================= */
.footer {
    background: var(--c-ink);
    color: var(--c-base);
    padding: 5rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand h3 {
    font-family: var(--font-en);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.55);
    letter-spacing: 0.1em;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    justify-self: end;
    font-family: var(--font-jp);
    font-size: 0.88rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.75);
    transition: color 0.3s var(--ease-out-expo);
}

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

.footer-bottom {
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-en);
    font-size: 0.72rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.4);
    text-transform: uppercase;
}

/* =========================================================
   Scroll reveal
   ========================================================= */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 1s var(--ease-out-expo), transform 1s var(--ease-out-expo);
    will-change: opacity, transform;
}

.reveal-ready .reveal {
    opacity: 0;
    transform: translateY(40px);
}

.reveal-ready .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .reveal-ready .reveal {
        opacity: 1;
        transform: none;
    }
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-item {
        border-right: 0;
    }

    .business-row {
        grid-template-columns: 80px 1fr;
    }

    .business-row .biz-body {
        grid-column: 2 / 3;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

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

    .product-detail-section .container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    :root {
        --pad-y: clamp(4rem, 12vw, 6rem);
        --anchor-offset: 5rem;
    }

    .nav-menu {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        height: calc(100vh - 64px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        gap: 1.5rem;
        padding: 3rem var(--pad-x);
        transform: translateY(-110%);
        transition: transform 0.5s var(--ease-out-expo);
        pointer-events: none;
    }

    .nav-menu.active {
        pointer-events: auto;
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .nav-menu a {
        font-size: 1.3rem;
        font-weight: 500;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-brand .brand-sub {
        display: none;
    }

    body:not(.policy-page) .nav-brand {
        transform: none;
    }

    .hero {
        padding: 7rem 0 5rem;
    }

    .hero-copy {
        transform: none;
    }

    .section-head {
        flex-wrap: wrap;
        gap: 1rem;
        margin-bottom: 3rem;
    }

    .company-profile {
        grid-template-columns: 1fr;
        gap: 0;
        margin-bottom: 3rem;
    }

    .company-profile-heading {
        padding: 1.5rem 0;
    }

    .company-profile-list {
        border-top: 1px solid var(--c-line);
        border-left: 0;
    }

    .company-profile-row {
        grid-template-columns: 100px 1fr;
        gap: 1rem;
        padding: 1.25rem 0;
    }

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

    .product-detail-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .business-row {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 2.5rem 0;
    }

    .business-row .biz-body {
        grid-column: auto;
    }

    .contact-item {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

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

    .footer-links {
        justify-self: start;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }

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

}