@charset "UTF-8";

:root {
    --color-ink: #28231f;
    --color-text: #4d4742;
    --color-muted: #706963;
    --color-accent: #714f3a;
    --color-accent-dark: #553928;
    --color-soft: #f5f1ed;
    --color-line: #ded7d1;
    --color-white: #ffffff;
    --shadow-card: 0 18px 45px rgba(48, 36, 28, 0.09);
    --radius-large: 22px;
    --radius-medium: 14px;
    --header-height: 88px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
    margin: 0;
    color: var(--color-text);
    background: var(--color-white);
    font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", YuGothic, Meiryo, sans-serif;
    font-size: 16px;
    line-height: 1.85;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    line-break: strict;
}

body.menu-open {
    overflow: hidden;
}

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

a {
    color: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible {
    outline: 3px solid rgba(113, 79, 58, 0.4);
    outline-offset: 4px;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1,
h2,
h3 {
    color: var(--color-ink);
    line-height: 1.4;
    text-wrap: balance;
}

h2 {
    margin-bottom: 24px;
    font-size: clamp(2rem, 4vw, 3.15rem);
    letter-spacing: 0.035em;
}

h3 {
    margin-bottom: 14px;
    font-size: clamp(1.25rem, 2vw, 1.55rem);
}

.skip-link {
    position: fixed;
    top: 8px;
    left: 8px;
    z-index: 9999;
    padding: 10px 16px;
    color: var(--color-white);
    background: var(--color-ink);
    transform: translateY(-150%);
}

.skip-link:focus {
    transform: translateY(0);
}

.container {
    width: min(1120px, calc(100% - 48px));
    margin-inline: auto;
}

.narrow-container {
    max-width: 900px;
}

.section {
    padding: clamp(82px, 10vw, 132px) 0;
}

.section-soft {
    background: var(--color-soft);
}

.section-dark {
    color: var(--color-white);
    background: var(--color-ink);
}

.section-dark h2 {
    color: var(--color-white);
}

.section-kicker {
    margin-bottom: 16px;
    color: var(--color-accent);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.22em;
}

.section-kicker-light {
    color: #e8dcd3;
}

.section-lead {
    max-width: 780px;
    text-wrap: pretty;
    margin-bottom: 52px;
    color: var(--color-muted);
    font-size: 1.06rem;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    min-height: var(--header-height);
    border-bottom: 1px solid rgba(222, 215, 209, 0.7);
    background: rgba(255, 255, 255, 0.95);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
}

.header-inner {
    display: flex;
    min-height: var(--header-height);
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.site-logo {
    display: inline-flex;
    flex-direction: column;
    color: var(--color-ink);
    text-decoration: none;
}

.site-logo-en {
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.2rem;
    line-height: 1.15;
    letter-spacing: 0.13em;
}

.site-logo-ja {
    margin-top: 5px;
    color: var(--color-muted);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
}

.global-nav ul {
    display: flex;
    align-items: center;
    gap: 24px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.global-nav a {
    position: relative;
    display: inline-flex;
    padding: 10px 0;
    color: var(--color-ink);
    font-size: 0.86rem;
    font-weight: 700;
    text-decoration: none;
}

.global-nav a:not(.nav-contact)::after {
    position: absolute;
    right: 0;
    bottom: 4px;
    left: 0;
    height: 1px;
    background: var(--color-accent);
    content: "";
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.25s ease;
}

.global-nav a:not(.nav-contact):hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.global-nav .nav-contact {
    padding: 12px 20px;
    color: var(--color-white);
    border-radius: 999px;
    background: var(--color-accent);
}

.global-nav .nav-contact:hover {
    background: var(--color-accent-dark);
}

.menu-button {
    display: none;
    width: 46px;
    height: 46px;
    padding: 11px;
    border: 0;
    border-radius: 50%;
    background: var(--color-soft);
    cursor: pointer;
}

.menu-button span {
    display: block;
    width: 100%;
    height: 2px;
    margin: 5px 0;
    background: var(--color-ink);
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.hero {
    position: relative;
    display: grid;
    min-height: calc(100svh - var(--header-height));
    align-items: center;
    overflow: hidden;
    color: var(--color-white);
    background-color: #4a3c34;
    background-image:
        linear-gradient(90deg, rgba(27, 22, 19, 0.86) 0%, rgba(27, 22, 19, 0.66) 48%, rgba(27, 22, 19, 0.2) 100%),
        url("images/site/hero.jpg");
    background-position: center;
    background-size: cover;
}

.hero::after {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(135deg, rgba(255,255,255,0.04) 25%, transparent 25%, transparent 50%, rgba(255,255,255,0.04) 50%, rgba(255,255,255,0.04) 75%, transparent 75%);
    background-size: 18px 18px;
    content: "";
    pointer-events: none;
}

.hero-inner {
    position: relative;
    z-index: 1;
    padding-block: 110px;
}

.hero-copy {
    max-width: 760px;
}

.eyebrow {
    margin-bottom: 22px;
    color: #ddc7b7;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.22em;
}

.hero h1 {
    margin-bottom: 28px;
    color: var(--color-white);
    font-size: clamp(2.55rem, 6vw, 5rem);
    font-weight: 700;
    letter-spacing: 0.03em;
    line-height: 1.28;
}

.hero-lead {
    max-width: 690px;
    margin-bottom: 38px;
    color: rgba(255, 255, 255, 0.9);
    font-size: clamp(1rem, 2vw, 1.18rem);
}

.hero-actions,
.contact-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
}

.button {
    display: inline-flex;
    min-height: 56px;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border: 1px solid transparent;
    border-radius: 999px;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.25s ease, background-color 0.25s ease, border-color 0.25s ease;
}

.button:hover {
    transform: translateY(-3px);
}

.button-primary {
    color: var(--color-white);
    background: var(--color-accent);
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.2);
}

.button-primary:hover {
    background: var(--color-accent-dark);
}

.button-secondary {
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.65);
    background: rgba(255, 255, 255, 0.08);
}

.button-secondary:hover {
    background: rgba(255, 255, 255, 0.16);
}

.intro {
    text-align: center;
}

.intro-text {
    margin-bottom: 0;
    font-size: 1.08rem;
    line-height: 2.05;
}

.card-grid {
    display: grid;
    gap: 24px;
}

.strengths-grid,
.services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card,
.service-card {
    position: relative;
    min-height: 265px;
    padding: 38px;
    border: 1px solid rgba(222, 215, 209, 0.9);
    border-radius: var(--radius-large);
    background: var(--color-white);
    box-shadow: var(--shadow-card);
}

.feature-number {
    display: block;
    margin-bottom: 38px;
    color: var(--color-accent);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 2.5rem;
    line-height: 1;
}

.feature-card p,
.service-card p,
.brand-card p {
    margin-bottom: 0;
}

.process-list {
    display: grid;
    gap: 42px;
    margin-top: 58px;
}

.process-item {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: stretch;
    overflow: hidden;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-large);
    background: var(--color-white);
    box-shadow: var(--shadow-card);
}

.process-item-reverse .process-photo {
    order: 2;
}

.process-photo {
    position: relative;
    min-height: 350px;
    margin: 0;
    overflow: hidden;
    background-color: #d8cec6;
}

.process-photo picture {
    position: absolute;
    inset: 0;
    display: block;
}

.process-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.98) saturate(0.96) contrast(1.02);
}

.process-photo::after {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(113, 79, 58, 0.09), rgba(40, 35, 31, 0.03));
    content: "";
    pointer-events: none;
}

.process-photo-material img {
    object-position: center 48%;
}

.process-photo-planning img {
    object-position: 58% center;
}

.process-photo-production img {
    object-position: 64% center;
}

.process-photo-support img {
    object-position: center 54%;
}

.process-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(34px, 5vw, 62px);
}

.process-number {
    margin-bottom: 22px;
    color: var(--color-accent);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 2.7rem;
    line-height: 1;
}

.process-copy p {
    margin-bottom: 0;
}

.numbers-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    margin-top: 48px;
}

.number-card {
    display: flex;
    min-height: 190px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 26px 18px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-medium);
    background: rgba(255, 255, 255, 0.05);
    text-align: center;
}

.number-card strong {
    display: block;
    margin-bottom: 12px;
    color: var(--color-white);
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(2.25rem, 5vw, 4.25rem);
    line-height: 1;
}

.number-card > span {
    color: rgba(255, 255, 255, 0.72);
}

.number-plus {
    font-size: 0.58em;
}

.service-card {
    min-height: 220px;
    padding-top: 42px;
    border-top: 4px solid var(--color-accent);
}

.brand-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    margin-top: 52px;
}

.brand-card {
    display: flex;
    min-height: 300px;
    flex-direction: column;
    justify-content: flex-end;
    padding: 42px;
    overflow: hidden;
    border-radius: var(--radius-large);
}

.brand-name {
    margin-bottom: 16px !important;
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(2rem, 5vw, 3.4rem);
    letter-spacing: 0.08em;
    line-height: 1.1;
}

.company-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
    gap: 68px;
    align-items: start;
    margin-top: 52px;
}

.company-list {
    margin: 0;
    border-top: 1px solid var(--color-line);
}

.company-list > div {
    display: grid;
    grid-template-columns: 145px 1fr;
    gap: 24px;
    padding: 19px 0;
    border-bottom: 1px solid var(--color-line);
}

.company-list dt {
    color: var(--color-muted);
    font-weight: 700;
}

.company-list dd {
    margin: 0;
    color: var(--color-ink);
}

.company-message {
    position: sticky;
    top: calc(var(--header-height) + 30px);
    padding: 42px;
    border-radius: var(--radius-large);
    color: var(--color-white);
    background: var(--color-ink);
}

.company-message h3 {
    color: var(--color-white);
}

.company-message p {
    color: rgba(255, 255, 255, 0.78);
}

.company-message-label {
    color: #e8dcd3 !important;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.2em;
}

.text-link {
    display: inline-flex;
    margin-top: 12px;
    padding-bottom: 4px;
    color: var(--color-white);
    border-bottom: 1px solid rgba(255, 255, 255, 0.55);
    font-weight: 700;
    text-decoration: none;
}

.contact {
    color: var(--color-white);
    background: var(--color-accent);
}

.contact h2 {
    max-width: 820px;
    color: var(--color-white);
}

.contact-inner > p:not(.section-kicker) {
    color: rgba(255, 255, 255, 0.84);
}

.contact-actions {
    margin-top: 38px;
}

.button-white {
    color: var(--color-accent-dark);
    background: var(--color-white);
}

.contact-phone {
    display: inline-flex;
    flex-direction: column;
    padding: 8px 16px;
    color: var(--color-white);
    text-decoration: none;
}

.contact-phone span {
    font-size: 0.8rem;
}

.contact-phone strong {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 1.7rem;
    letter-spacing: 0.04em;
}

.site-footer {
    padding: 52px 0 24px;
    color: rgba(255, 255, 255, 0.74);
    background: #1d1a18;
}

.footer-inner {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 32px;
}

.footer-inner p {
    margin-bottom: 6px;
}

.footer-name {
    color: var(--color-white);
    font-size: 1.05rem;
    font-weight: 700;
}

.footer-inner nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 12px 24px;
}

.footer-inner a {
    color: var(--color-white);
    text-decoration: none;
}

.copyright {
    width: min(1120px, calc(100% - 48px));
    margin: 34px auto 0;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
}

.sp-only {
    display: none;
}

.pc-only {
    display: inline;
}

@media (max-width: 960px) {
    :root {
        --header-height: 74px;
    }

    .menu-button {
        display: block;
        z-index: 1002;
    }

    .menu-button[aria-expanded="true"] span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .menu-button[aria-expanded="true"] span:nth-child(2) {
        opacity: 0;
    }

    .menu-button[aria-expanded="true"] span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .global-nav {
        position: fixed;
        inset: var(--header-height) 0 auto;
        z-index: 1001;
        max-height: calc(100dvh - var(--header-height));
        overflow-y: auto;
        padding: 26px 24px 34px;
        border-top: 1px solid var(--color-line);
        background: var(--color-white);
        box-shadow: 0 20px 35px rgba(0, 0, 0, 0.12);
        visibility: hidden;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-16px);
        transition: opacity 0.25s ease, transform 0.25s ease;
    }

    .global-nav.is-open {
        visibility: visible;
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .global-nav ul {
        display: grid;
        gap: 2px;
    }

    .global-nav a,
    .global-nav .nav-contact {
        display: flex;
        width: 100%;
        justify-content: space-between;
        padding: 14px 4px;
        color: var(--color-ink);
        border-bottom: 1px solid var(--color-line);
        border-radius: 0;
        background: transparent;
        font-size: 1rem;
    }

    .global-nav a::before {
        order: 2;
        content: "→";
    }

    .global-nav a::after {
        display: none;
    }

    .process-item,
    .company-layout {
        grid-template-columns: 1fr;
    }

    .process-item-reverse .process-photo {
        order: 0;
    }

    .company-message {
        position: static;
    }
}

@media (max-width: 720px) {
    .container {
        width: min(100% - 32px, 1120px);
    }

    .section {
        padding: 76px 0;
    }

    .pc-only {
        display: none;
    }

    .sp-only {
        display: inline;
    }

    .hero {
        min-height: calc(88svh - var(--header-height));
        background-image:
            linear-gradient(180deg, rgba(27, 22, 19, 0.78) 0%, rgba(27, 22, 19, 0.6) 100%),
            url("images/site/hero-mobile.jpg");
        background-position: center;
    }

    .hero-inner {
        padding-block: 80px;
    }

    .hero h1 {
        font-size: clamp(2.15rem, 10.8vw, 3rem);
        line-height: 1.34;
        letter-spacing: 0.015em;
    }

    h2 {
        font-size: clamp(1.82rem, 8.2vw, 2.35rem);
        line-height: 1.48;
    }

    .hero-lead,
    .section-lead,
    .intro-text,
    .feature-card p,
    .service-card p,
    .process-copy p,
    .brand-card p,
    .company-message p {
        text-wrap: pretty;
    }

    .hero-actions,
    .contact-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

    .strengths-grid,
    .services-grid,
    .brand-grid,
    .numbers-grid {
        grid-template-columns: 1fr;
    }

    .feature-card,
    .service-card {
        min-height: auto;
        padding: 30px;
    }

    .feature-number {
        margin-bottom: 24px;
    }

    .process-list {
        gap: 24px;
    }

    .process-photo {
        min-height: 240px;
    }

    .number-card {
        min-height: 150px;
    }

    .brand-card {
        min-height: 250px;
        padding: 30px;
    }

    .company-list > div {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .company-list dt {
        font-size: 0.82rem;
    }

    .company-message {
        padding: 30px;
    }

    .contact-phone {
        align-items: center;
    }

    .footer-inner {
        flex-direction: column;
    }

    .footer-inner nav {
        justify-content: flex-start;
    }

    .copyright {
        width: min(100% - 32px, 1120px);
    }
}

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

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

/* OUR APPROACH：スマートフォン本文 */
@media screen and (max-width: 720px) {
    .intro-text {
        text-align: left;
        font-size: 1rem;
        line-height: 2;
    }
}

/* 展開ブランド：簡潔な表示 */
.brand-compact.section {
    padding-top: 72px;
    padding-bottom: 72px;
}

.brand-compact .section-lead {
    margin-bottom: 32px;
}

.brand-compact .brand-grid {
    margin-top: 0;
}

.brand-compact .brand-card,
.brand-compact .brand-card:nth-child(2) {
    min-height: 120px;
    align-items: center;
    justify-content: center;
    padding: 28px 32px;
    border: 1px solid var(--color-line);
    border-left: 4px solid var(--color-accent);
    color: var(--color-ink);
    background: var(--color-white);
    box-shadow: var(--shadow-card);
}

.brand-compact .brand-name {
    margin: 0 !important;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    text-align: center;
}

@media screen and (max-width: 720px) {
    .brand-compact.section {
        padding-top: 60px;
        padding-bottom: 60px;
    }

    .brand-compact .brand-grid {
        gap: 16px;
    }

    .brand-compact .brand-card,
    .brand-compact .brand-card:nth-child(2) {
        min-height: 96px;
        padding: 22px;
    }
}
/* ブランド名の読み方 */
.brand-compact .brand-reading {
    margin: 8px 0 0;
    color: var(--color-muted);
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    line-height: 1.4;
    text-align: center;
}

/* 環境への取り組み */
.environment-card {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    overflow: hidden;
    margin-top: 48px;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-large);
    background: var(--color-white);
    box-shadow: var(--shadow-card);
}

.environment-photo {
    min-height: 340px;
    margin: 0;
    overflow: hidden;
    background: var(--color-soft);
}

.environment-photo picture {
    display: block;
    width: 100%;
    height: 100%;
}

.environment-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.environment-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(34px, 5vw, 62px);
}

.environment-copy p {
    margin-bottom: 0;
}

@media screen and (max-width: 960px) {
    .environment-card {
        grid-template-columns: 1fr;
    }

    .environment-photo {
        min-height: 280px;
    }
}

@media screen and (max-width: 720px) {
    .environment-card {
        margin-top: 36px;
    }

    .environment-photo {
        min-height: 220px;
    }

    .environment-copy {
        padding: 30px;
    }
}