/* ==========================================================================
   トップページ専用スタイル（front-page.css）
   ========================================================================== */

:root {
    --header-padding-x: 40px;
    --section-side-gap: 16px;
    --header-height: 80px;
}

.font-mincho {
    font-family: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
}

/* -----------------------------------------
   1. メインビジュアル（余白・緩急アニメーション）
   ----------------------------------------- */
.main-visual-section {
    position: relative;
    width: 100%;
    max-width: 100%;
    height: 100vh;
    height: 100dvh;
    min-height: 520px;
    margin-top: 0;
    padding: 0 30px;
    overflow: hidden;
    z-index: 3;
}

.mv-slider-container {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
    background-color: #1a1a1a;
    z-index: 3;
}

.mv-slider-container::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(114, 174, 248, 0.26) 0%, rgba(167, 139, 250, 0.3) 100%);
    z-index: 3;
    pointer-events: none;
}

.mv-slide-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    z-index: 1;
    visibility: hidden;
    transition: opacity 1.2s ease-in-out, visibility 1.2s;
}

.mv-slide-item img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.mv-slide-item.is-active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

.mv-slide-item.is-active img {
    animation: zoomOutAnim 4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes zoomOutAnim {
    0% { transform: scale(1.18); }
    100% { transform: scale(1.0); }
}

/* -----------------------------------------
   2. テキスト
   ----------------------------------------- */
.mv-text-container {
    position: absolute;
    inset: 0;
    z-index: 5;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: clamp(28px, 5vh, 56px);
    padding: calc(var(--header-height) + 24px) 0 48px;
    pointer-events: none;
}

.mv-marquee {
    width: 100%;
    overflow: hidden;
    line-height: 1;
}

.mv-marquee__track {
    display: flex;
    width: max-content;
    animation: mv-marquee-scroll 28s linear infinite;
    will-change: transform;
}

.mv-marquee__text {
    flex-shrink: 0;
    padding-right: 0.35em;
    font-family: "Noto Sans", "LINE Seed JP", sans-serif;
    font-size: clamp(7rem, 22vw, 15rem);
    font-weight: 800;
    letter-spacing: 0.06em;
    color: #ffffff;
    white-space: nowrap;
    text-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

@keyframes mv-marquee-scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.mv-copy-block {
    width: min(100%, 720px);
    margin: 0 auto;
    padding: 0 24px;
    text-align: left;
}

.mv-copy-ja {
    margin: 0 0 20px;
    font-family: "Noto Sans", "LINE Seed JP", sans-serif;
    font-size: clamp(1.25rem, 2.8vw, 1.75rem);
    font-weight: 700;
    line-height: 1.6;
    letter-spacing: 0.12em;
    color: #ffffff;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}

.mv-copy-body {
    margin: 0;
    font-family: "Noto Sans", "LINE Seed JP", sans-serif;
    font-size: clamp(0.9rem, 1.8vw, 1.05rem);
    font-weight: 500;
    line-height: 2;
    letter-spacing: 0.06em;
    color: #ffffff;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}

@media (prefers-reduced-motion: reduce) {
    .mv-marquee__track {
        animation: none;
        width: 100%;
        justify-content: center;
    }

    .mv-marquee__text:last-child {
        display: none;
    }
}


/* -----------------------------------------
   3. 想い（CONCEPT）セクション
   ----------------------------------------- */
.concept-section,
.company-section,
.business-section,
.works-top-section,
.join-section,
.news-section {
    position: relative;
    z-index: 3;
    background: transparent;
    overflow-x: hidden;
}

.concept-section {
    padding: 200px var(--header-padding-x) 72px;
    width: 100%;
}

.concept-container {
    width: 100%;
    max-width: none;
    margin: 0;
}

.concept-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: stretch;
}

.concept-media-col {
    min-height: 0;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.concept-media-sticky {
    position: sticky;
    top: calc(var(--header-height) + 32px);
    width: 82%;
    max-width: 420px;
    margin: 0 auto;
}

.concept-media {
    position: relative;
    margin: 0;
    overflow: hidden;
    border-radius: 4px;
    line-height: 0;
}

.concept-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(147, 197, 253, 0.35);
    pointer-events: none;
}

.concept-media img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
}

.concept-text-col {
    min-width: 0;
    padding-right: clamp(24px, 15vw, 270px);
    box-sizing: border-box;
}

.concept-title {
    font-family: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
    font-size: 1.85rem;
    font-weight: 700;
    color: #111111;
    line-height: 1.55;
    letter-spacing: 0.06em;
    margin: 0 0 36px;
    text-align: left;
}

.concept-body {
    text-align: left;
    color: #333333;
    line-height: 2.1;
    letter-spacing: 0.04em;
    font-size: 1.2rem;
}

.concept-body p { margin-bottom: 30px; }
.concept-body p:last-child { margin-bottom: 0; }

/* ==========================================================================
   4. 各セクション共通（見出し ＆ 曲線の区切り）
   ========================================================================== */
.section-container {
    width: 100%;
    padding: 0 10rem;
    box-sizing: border-box;
    position: relative;
}

/* デバイス左端基準の見出し */
.section-header-device-left {
    display: flex;
    flex-direction: row; /* PC時は1行に並べる */
    align-items: baseline;
    gap: 30px;
}

/* 中央寄せ見出し（Business） */
.section-header.center-align {
    display: flex;
    flex-direction: column;
    gap: 15px;
    text-align: center;
    align-items: center;
}

/* 巨大なグラデーション文字（Company, Business, Join us） */
.section-header-device-left .en,
.section-header .en {
    font-family: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
    font-size: 7.5rem;
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 0.02em;
}

.section-header-device-left .ja,
.section-header .ja {
    font-family: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
    font-size: 2.2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-header-device-left,
.section-header.center-align {
    margin-bottom: 50px;
}


/* ==========================================================================
   5. 各セクションの詳細レイアウト
   ========================================================================== */

/* -----------------------------------------
   Company（会社を知る）
   ----------------------------------------- */
.company-section {
    padding: 100px var(--section-side-gap) 100px;
}

.company-section-bg {
    background: linear-gradient(135deg, #00b4ed 0%, #2563eb 100%);
    border-radius: 4px;
    overflow: hidden;
}

.company-inner {
    padding: 150px 80px;
}

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

.company-text-box {
    min-width: 0;
}

.company-section-header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 36px;
}

.company-section-header .en {
    font-family: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
    font-size: 6.5rem;
    line-height: 1.1;
    color: #ffffff;
}

.company-section-header .ja {
    font-family: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1.1;
    color: #ffffff;
}

.company-lead {
    margin: 0 0 40px;
    color: #ffffff;
    line-height: 2.1;
    letter-spacing: 0.04em;
}

.company-img-box {
    border-radius: 6px;
    overflow: hidden;
    line-height: 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.company-img-box img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
}

.btn-view-more--white {
    border-color: #ffffff;
}

.btn-view-more--white .text {
    color: #ffffff;
}

.btn-view-more--white .icon {
    background-color: #ffffff;
    color: #2563eb;
}
/* VIEW MORE ボタン */
.btn-view-more {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    border: 1px solid #111111;
    border-radius: 50px;
    padding: 6px 6px 6px 28px;
    transition: opacity 0.3s;
}
.btn-view-more:hover { opacity: 0.7; }
.btn-view-more .text {
    color: #111111; font-weight: 700; font-size: 1rem; margin-right: 24px; letter-spacing: 0.05em;
}
.btn-view-more .icon {
    display: flex; align-items: center; justify-content: center;
    width: 44px; height: 44px; background-color: #111111; color: #ffffff; border-radius: 50%;
}

/* -----------------------------------------
   Business（事業を知る）
   ----------------------------------------- */
.business-section {
    padding: 160px 0 120px;
}

.business-section-inner {
    padding: 0 7rem 1rem 7rem;
    box-sizing: border-box;
}

.business-layout {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 40px 48px;
    align-items: start;
    margin-left: 0;
    margin-right: auto;
    width: 100%;
    max-width: 100%;
}

.business-heading-en {
    grid-column: 1;
    align-self: start;
    padding-top: 4px;
}

.business-right {
    grid-column: 2;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: 20px;
    align-items: start;
    min-width: 0;
}

.business-heading-ja {
    grid-column: 1;
    padding-top: 4px;
}

.business-content {
    grid-column: 2;
    display: flex;
    flex-direction: column;
    gap: 40px;
    min-width: 0;
}

.business-heading-en,
.business-heading-ja {
    font-family: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
    line-height: 1.1;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    background: linear-gradient(135deg, #00b4ed 0%, #2563eb 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.business-heading-en {
    font-size: 5.5rem;
    font-weight: 800;
    letter-spacing: 0.06em;
}

.business-heading-ja {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.14em;
}

.business-intro {
    max-width: 100%;
    margin: 0;
    color: #333333;
    line-height: 2.1;
    text-align: left;
}

.business-banner {
    display: block;
    position: relative;
    width: 100%;
    max-width: none;
    aspect-ratio: 2.35 / 1;
    border-radius: 8px;
    overflow: hidden;
    text-decoration: none;
}
.business-banner-bg {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}
.business-banner:hover .business-banner-bg { transform: scale(1.03); }
.business-banner-overlay {
    position: absolute; bottom: 0; left: 0; width: 100%; height: 60%;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 100%);
}
.business-banner-content {
    position: absolute;
    bottom: 18px;
    right: 22px;
    display: flex;
    align-items: center;
    gap: 14px;
    z-index: 2;
}
.business-banner-content .text {
    color: #ffffff;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}
.business-banner-content .icon {
    width: 40px;
    height: 40px;
    background: #ffffff;
    color: #111111;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: transform 0.3s;
}
.business-banner:hover .icon { transform: translateX(5px); }

/* -----------------------------------------
   Works（施工実績）トップ表示
   ----------------------------------------- */
.works-top-section {
    padding: 120px var(--header-padding-x) 140px;
}

.works-top-section__inner {
    max-width: 1200px;
    margin: 0 auto;
}

.works-top-section__header {
    margin: 0 0 56px;
    text-align: center;
}

.works-top-section__en {
    margin: 0 0 12px;
    font-family: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: 0.1em;
    background: linear-gradient(135deg, #00b4ed 0%, #2563eb 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.works-top-section__ja {
    margin: 0;
    font-family: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    font-weight: 700;
    letter-spacing: 0.2em;
    color: #333333;
}

.works-top-grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 48px 36px;
}

.works-top-card {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: opacity 0.3s ease;
}

.works-top-card:hover {
    opacity: 0.8;
}

.works-top-card__figure {
    margin: 0 0 16px;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: #e5e7eb;
}

.works-top-card__image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.works-top-card__placeholder {
    display: block;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #e8f4fc 0%, #dbeafe 100%);
}

.works-top-card__title {
    margin: 0;
    font-family: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.5;
    letter-spacing: 0.04em;
    text-align: left;
}

.works-top-section__empty {
    margin: 0 0 40px;
    text-align: center;
    color: #666666;
}

.works-top-section__more {
    margin: 56px 0 0;
    text-align: center;
}

.btn-works-more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 40px;
    border-radius: 50px;
    background: linear-gradient(135deg, #00b4ed 0%, #2563eb 100%);
    color: #ffffff;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 20px rgba(0, 180, 237, 0.25);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.btn-works-more:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-works-more__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

/* -----------------------------------------
   Join us（採用情報）
   ----------------------------------------- */
.join-section {
    padding: 0;
    overflow: hidden;
}

.join-section-inner {
    position: relative;
    width: 100%;
}

.join-gallery {
    width: 100%;
    overflow: hidden;
}

.join-gallery__track {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    width: 100%;
}

.join-gallery__item {
    line-height: 0;
    overflow: hidden;
}

.join-gallery__item img {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 420px;
    object-fit: cover;
}

.join-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px var(--header-padding-x);
    background: rgba(15, 23, 42, 0.38);
    box-sizing: border-box;
}

.join-overlay__content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    max-width: 720px;
    width: min(100%, 720px);
    margin: 0 auto;
    color: #ffffff;
}

.join-section-header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 28px;
}

.join-section-header .en {
    font-family: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: 0.04em;
    color: #ffffff;
}

.join-section-header .ja {
    font-family: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    font-weight: 700;
    line-height: 1.15;
    color: #ffffff;
}

.join-intro {
    font-size: 1.05rem;
    color: #ffffff;
    line-height: 2;
    margin: 0 0 32px;
    max-width: 640px;
    text-align: left;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}

.btn-recruit-full {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    width: auto;
    min-width: 280px;
    max-width: 100%;
    background: #ffffff;
    color: #111111;
    text-decoration: none;
    padding: 20px 32px;
    border-radius: 12px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-recruit-full--overlay {
    width: min(100%, 400px);
}

.btn-recruit-full:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.25);
}

.btn-recruit-full .text {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.btn-recruit-full .icon {
    width: 50px;
    height: 50px;
    background: #111111;
    color: #ffffff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* -----------------------------------------
   Information（お知らせ）
   ----------------------------------------- */
.news-section {
    padding: 100px 0 120px;
}

.news-layout {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 48px 56px;
    align-items: start;
}

.news-heading {
    font-family: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin: 0;
    letter-spacing: 0.04em;
    background: linear-gradient(135deg, #00b4ed 0%, #2563eb 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    white-space: nowrap;
}

.news-content-col {
    min-width: 0;
}

.news-list {
    list-style: none;
    margin: 0 0 36px;
    padding: 0;
}

.news-list__item {
    border-bottom: 1px solid #e5e7eb;
}

.news-list__item:first-child {
    border-top: 1px solid #e5e7eb;
}

.news-list__link {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 20px 24px;
    padding: 22px 0;
    text-decoration: none;
    color: #333333;
    transition: opacity 0.3s;
}

.news-list__link:hover {
    opacity: 0.7;
}

.news-list__date {
    font-size: 0.95rem;
    color: #666666;
    font-family: monospace;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.news-list__title {
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.5;
}

.news-list__icon {
    color: #2563eb;
    font-size: 0.9rem;
}

.news-list__empty {
    margin: 0 0 24px;
    color: #666666;
}

.btn-news-more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 36px;
    border: 1px solid #111111;
    border-radius: 50px;
    color: #111111;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    letter-spacing: 0.05em;
    transition: opacity 0.3s;
}

.btn-news-more:hover {
    opacity: 0.7;
}


/* ==========================================================================
   6. スマートフォン表示（1024px以下）
   ========================================================================== */
@media screen and (max-width: 1024px) {
    :root {
        --header-padding-x: 20px;
    }

    .main-visual-section {
        padding: 0 8px;
    }

    .mv-text-container {
        gap: 24px;
        padding-top: calc(var(--header-height) + 16px);
    }

    .mv-marquee__text {
        font-size: clamp(4.5rem, 28vw, 7rem);
        letter-spacing: 0.04em;
    }

    .mv-copy-block {
        padding: 0 16px;
    }

    .mv-copy-ja {
        margin-bottom: 16px;
        font-size: 1.15rem;
        letter-spacing: 0.08em;
    }

    .mv-copy-body {
        font-size: 0.875rem;
        line-height: 1.9;
    }

    .concept-section {
        padding: 200px var(--header-padding-x) 72px;
    }

    .concept-layout {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .concept-media-sticky {
        position: static;
    }

    .concept-text-col {
        padding-right: 16px;
    }

    .concept-media-sticky {
        width: 88%;
    }

    .concept-title {
        font-size: 1.55rem;
        margin-bottom: 28px;
    }

    .company-img-box {
        width: 100%;
        margin-left: 0;
    }

    /* スマホ時は見出しを縦並びに */
    .section-header-device-left {
        flex-direction: column;
        gap: 5px;
    }
    .section-header-device-left .en,
    .section-header .en { font-size: 4rem; }
    .section-header-device-left .ja,
    .section-header .ja { font-size: 1.6rem; }

    .company-section {
        padding: 72px 12px 72px;
    }

    .company-inner {
        padding: 40px 24px;
    }

    .company-section-header .en {
        font-size: 3rem;
    }

    .company-section-header .ja {
        font-size: 1.2rem;
    }

    .company-layout {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .company-section,
    .business-section,
    .works-top-section {
        padding-top: 72px;
        padding-bottom: 72px;
    }

    .works-top-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 32px 24px;
    }

    .works-top-section__more {
        margin-top: 40px;
    }

    .join-section {
        padding: 0;
    }

    .business-section {
        padding-left: 0;
        padding-right: 0;
    }
    
    /* Business スマホ：Business左・右列に事業を知る→本文を縦に詰める */
    .business-section-inner {
        padding-left: var(--header-padding-x);
        padding-right: var(--header-padding-x);
    }

    .business-layout {
        display: grid;
        grid-template-columns: auto 1fr;
        grid-template-rows: auto auto;
        column-gap: 14px;
        row-gap: 20px;
        width: 100%;
        max-width: 100%;
        margin-left: 0;
        align-items: start;
    }

    .business-heading-en {
        grid-column: 1;
        grid-row: 1;
        font-size: 3.5rem;
        writing-mode: vertical-rl;
        align-self: start;
        padding-top: 0;
    }

    .business-right {
        display: flex;
        flex-direction: column;
        gap: 10px;
        grid-column: 2;
        grid-row: 1;
        min-width: 0;
    }

    .business-content {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .business-heading-ja {
        font-size: 1.25rem;
        writing-mode: horizontal-tb;
        text-orientation: mixed;
        letter-spacing: 0.08em;
        margin: 0;
        padding-top: 0;
    }

    .business-intro {
        margin: 0;
        padding: 0;
        line-height: 1.9;
    }

    .business-banner {
        aspect-ratio: 2.2 / 1;
    }

    .business-banner-content { right: 20px; bottom: 20px; }
    .business-banner-content .text { font-size: 1.2rem; }

    /* Join Us スマホ：1枚ずつ横スライド */
    .join-gallery__track {
        display: flex;
        width: 400%;
        transition: transform 0.8s ease-in-out;
        will-change: transform;
    }

    .join-gallery__track.is-no-transition {
        transition: none;
    }

    .join-gallery__item {
        flex: 0 0 25%;
        width: 25%;
    }

    .join-gallery__item img {
        min-height: 280px;
    }

    /* Information スマホ */
    .news-section {
        padding: 72px var(--header-padding-x) 80px;
    }

    .news-section .section-container {
        padding: 0;
    }

    .news-layout {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .news-heading {
        font-size: 2.6rem;
        white-space: normal;
    }

    .news-list {
        margin-bottom: 28px;
    }

    .news-list__link {
        display: grid;
        grid-template-columns: 1fr auto;
        grid-template-areas:
            "date icon"
            "title title";
        align-items: center;
        gap: 8px 16px;
        padding: 20px 0;
    }

    .news-list__date {
        grid-area: date;
        font-size: 0.875rem;
    }

    .news-list__title {
        grid-area: title;
        font-size: 1rem;
        line-height: 1.55;
        padding-right: 0;
    }

    .news-list__icon {
        grid-area: icon;
        align-self: center;
        font-size: 0.85rem;
    }

    .btn-news-more {
        display: flex;
        width: 100%;
        box-sizing: border-box;
        justify-content: center;
        padding: 16px 24px;
    }

    .join-overlay {
        padding: 32px var(--header-padding-x);
        justify-content: center;
        align-items: center;
    }

    .join-overlay__content {
        align-items: flex-start;
        text-align: left;
        width: min(100%, 720px);
    }

    .join-section-header .en {
        font-size: 3rem;
    }

    .join-intro {
        font-size: 0.95rem;
    }

    .btn-recruit-full {
        padding: 18px 20px;
        min-width: 0;
        width: 100%;
    }
}

@media screen and (max-width: 640px) {
    .works-top-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
}