/* ==============================================
   TOP PAGE
   ============================================== */

.keyvisual {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100svh;
    min-height: 700px;
    max-height: 1080px;
    background: url('../images/top/kv.webp') no-repeat top right / cover;
    color: #ffffff;
    overflow: hidden;
    z-index: 1;
}

.keyvisual a {
    color: #ffffff;
}

.keyvisual:after {
    position: absolute;
    content: "";
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    
    /* 全体にブラック10% */
    background-color: rgba(0, 0, 0, 0.2); 
    
    /* 👇 ドットの配置（xの位置）を「2 → 1 → 0」の順に反転させました */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 3 3' width='3' height='3'%3E%3Crect x='2' y='0' width='1' height='1' fill='black' fill-opacity='0.4'/%3E%3Crect x='1' y='1' width='1' height='1' fill='black' fill-opacity='0.4'/%3E%3Crect x='0' y='2' width='1' height='1' fill='black' fill-opacity='0.4'/%3E%3C/svg%3E");
    
    /* 縦横3px単位で無限ループ */
    background-size: 3px 3px; 
    background-repeat: repeat !important;
    
    pointer-events: none;
}

.kv-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1; /* 重なり順を1に固定 */
}

.keyvisual-inner {
    position: absolute;
    width: 100%;
    left: 50%;
    bottom: 130px;
    transform: translateX(-50%);
    max-width: 1500px;
    margin-inline: auto;
    padding-inline: 20px;
    z-index: 3;
}

.below-keyvisual {
    margin-top: min(100svh, 1080px);
}

.below-keyvisual > section {
    max-width: var(--content-max-width);
    margin-inline: auto;
    margin-top: 130px;
}


.catchcopy {
    font-size: clamp(1.8125rem, calc(1.130rem + 2.911vw), 3.75rem); /* min:29px max:60px */
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 30px;
}

.catchcopy b {
    color: var(--color-secondary);
}

.catchcopy-subtext {
    font-size: clamp(1rem, calc(0.714rem + 1.19vw), 1.438rem); /* min:16px max:23px */
    line-height: 2;
}

/* キービジュアル内のボタン */
.kv-button {
    margin-top: 30px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    max-width: 500px;
}

.kv-button li:last-child {
    grid-column: 1 / -1;
}


ul.kv-button li a {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    color: var(--color-white);
    font-size: clamp(0.875rem, calc(0.818rem + 0.141vw), 1rem); /* min:14px max:16px / 375〜1440px */
    font-weight: 500;
    width: 100%;
    position: relative;
    padding: 13px 40px 13px 20px;
    background: var(--color-secondary);
    transition: opacity 0.3s ease;
}

ul.kv-button li a::after {
    content: '';
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 14px;
    background: url(../images/top/kv_arrow_wh.svg) no-repeat center / contain;
}

ul.kv-button li a:hover {
    opacity: 0.8;
}

/* 3つ目（外部リンク）：白アウトライン */
ul.kv-button li:last-child a {
    background: transparent;
    border: 1px solid var(--color-white);
}

/* キービジュアル内ニュース */
.keyvisual-news {
    position: absolute;
    z-index: 10;
    bottom: 0;
    display: flex;
    align-items: center;
    background-color: #ffffff20;
    width: 100%;
    padding: 20px 0;
}

.keyvisual-news-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    width: 100%;
    max-width: 1500px;
    margin-inline: auto;
    padding-inline: 20px;
}

.keyvisual-news-inner time {
    font-size: clamp(0.938rem, calc(0.844rem + 0.244vw), 1.188rem);/* min:15px max:19px */
    font-weight: 600;
}

.keyvisual-news-cat {
    font-size: clamp(0.813rem, calc(0.741rem + 0.188vw), 1rem);/* min:13px max:16px */
    color: var(--color-primary);
    background-color: #ABCEED;
    padding: 5px 20px;
    border-radius: 50px;
    white-space: nowrap;
}

.keyvisual-news-inner .post a {
    font-size: clamp(0.875rem, calc(0.781rem + 0.244vw), 1.125rem);
    position: relative;
}

.keyvisual-news-inner .post a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 100%;
    height: 1px;
    background: currentColor;
    transition: opacity 0.3s ease;
}

.keyvisual-news-inner .post a:hover::after {
    opacity: 0;
}

/* 一覧へボタン */
.keyvisual-news-inner .list_button a {
    position: relative;
    padding: 10px 70px 10px 10px;
    border: 1px solid var(--color-white);
    border-radius: 4px;
    font-size: clamp(0.813rem, calc(0.741rem + 0.188vw), 1rem);/* min:13px max:16px */
    transition: opacity 0.3s ease;
    white-space: nowrap;
}
.keyvisual-news-inner .list_button a:hover {
    opacity: 0.7;
}
.keyvisual-news-inner .list_button a::after {
    content: '';
    position: absolute;
    right: 12px;
    top: calc(50% + 0px);
    transform: translateY(-50%);
    width: 20px;
    height: 14px;
    background: url(../images/top/kv_arrow_wh.svg) no-repeat center / contain;
    line-height: 0;
}

.keyvisual-news-inner .list_button {
    margin-left: auto;
}


/* ==============================================
   商品カテゴリ
   ============================================== */
.products .section-header p:last-child {
    padding-bottom: 40px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 320px);
    gap: 40px;
}

.products-grid li {
    display: flex;
    flex-direction: column;
}

.products-grid li > a:not(.btn-more) {
    display: block;
}

.products-grid li > div,
.products-grid li > a > div {
    height: 235px;
    overflow: hidden;
    border-radius: 15px;
    margin-bottom: 20px;
    box-shadow: 3px 3px 12px rgba(0, 0, 0, 0.15);
}

.products-grid li > div img,
.products-grid li > a > div img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.products-grid li > a:not(.btn-more):hover > div img {
    transform: scale(1.04);
}

.products-grid li > h3 {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: clamp(1rem, calc(0.912rem + 0.376vw), 1.25rem); /* min:16px max:20px */
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
    line-height: 1.5;
}

.products-grid li > h3::before {
    content: '';
    display: inline-block;
    width: 15px;
    height: 15px;
    background: url(../images/head_icon.svg) no-repeat center / contain;
    flex-shrink: 0;
    margin-top: 8px;
}

.products-grid li > p {
    font-size: clamp(0.9375rem, calc(0.894rem + 0.188vw), 1.0625rem); /* min:15px max:17px */
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 20px;
}

.products-grid li > .btn-more {
    margin-left: auto;
    margin-top: auto;
}

/* ==============================================
   インパックの強み
   ============================================== */
.below-keyvisual > .strength {
    max-width: none;
    margin-inline: 0;
}

.strength {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 60px;
    padding: 150px 0 130px max(20px, calc((100vw - 1400px) / 2));
}

.strength::before {
    content: '';
    position: absolute;
    inset: 0;
    right: 130px;
    background: url(../images/top/bg_strengths.jpg) no-repeat center / cover;
    border-radius: 0 20px 20px 0;
    z-index: 0;
}

.strength::after {
    content: '';
    position: absolute;
    inset: 0;
    right: 130px;
    background-color: rgba(0, 50, 136, 0.85);
    border-radius: 0 20px 20px 0;
    z-index: 1;
}

@media (max-width: 1700px) {
    .strength::before,
    .strength::after {
        right: 0;
        border-radius: 0;
    }
}


.strength > * {
    position: relative;
    z-index: 2;
}

/* section-header内のテキストを白に */
.strength .section-header p:first-child,
.strength .section-header h2,
.strength .section-header p:last-child {
    color: var(--color-white);
}

.strength .strength-content {
    width: 980px;
    flex-shrink: 0;
}

/* カードグリッド */
.strength-grid {
    display: grid;
    grid-template-columns: repeat(2, 465px);
    column-gap: 50px;
    row-gap: 125px;
    counter-reset: strength;
}

.strength-grid li {
    position: relative;
    background: var(--color-white);
    border-radius: 15px;
    padding: 30px 30px 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    counter-increment: strength;
}

/* 右上 "STRENGTHS" ラベル（カード上半分はみ出し） */
.strength-grid li::before {
    content: 'STRENGTHS';
    position: absolute;
    top: -56px;
    right: 16px;
    font-size: 0.675rem; /* 14px */
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-white);
    line-height: 1;
}

/* 右上 連番（74pxの半分=37pxはみ出し） */
.strength-grid li::after {
    content: counter(strength, decimal-leading-zero);
    position: absolute;
    top: -37px;
    right: 8px;
    font-size: 4.625rem; /* 74px */
    font-weight: 700;
    color: var(--color-secondary);
    line-height: 1;
}

/* アイコン円形エリア */
.strength-grid li > div {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background-color: #f0f0f0;
    display: grid;
    place-items: center;
    margin-bottom: 20px;
}

.strength-grid li > div img {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.strength-grid li > h3 {
    font-size: clamp(1.375rem, calc(1.243rem + 0.563vw), 1.75rem); /* min:22px max:28px */
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
    line-height: 1.5;
    text-decoration: underline;
    text-decoration-color: rgba(219, 0, 42, 0.2);
    text-decoration-thickness: 14px;
    text-underline-offset: -5px;
    text-decoration-skip-ink: none;
}

.strength-grid li > p {
    font-size: clamp(0.9375rem, calc(0.894rem + 0.188vw), 1.0625rem); /* min:15px max:17px */
    line-height: 1.8;
    color: var(--color-text);
}

/* フラサポリンク */
.strength-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    font-size: 0.875rem;
    color: var(--color-text);
    transition: opacity 0.3s ease;
}

.strength-link:hover {
    opacity: 0.7;
}

.strength-link img {
    height: 45px;
    width: auto;
}

/* ==============================================
   お知らせ
   ============================================== */
.news {
    padding-bottom: 80px;
}

.news-list {
    margin-top: 40px;
}

.news-list article {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 24px 0;
    border-bottom: 1px solid var(--color-border);
}

.news-list article:first-child {
    border-top: 1px solid var(--color-border);
}

.news-list article time {
    font-size: clamp(1rem, calc(0.956rem + 0.188vw), 1.1875rem); /* min:16px max:19px */
    font-weight: 500;
    color: var(--color-primary);
    white-space: nowrap;
}

.news-cat {
    font-size: clamp(0.875rem, calc(0.846rem + 0.094vw), 1rem); /* min:14px max:16px */
    font-weight: 600;
    color: var(--color-primary);
    background-color: var(--color-bg-light);
    padding: 4px 16px;
    border-radius: 50px;
    white-space: nowrap;
    transition: opacity 0.3s ease;
}

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

.news-list article h3 {
    flex: 1;
}

.news-list article h3 a {
    font-size: clamp(1rem, calc(0.956rem + 0.188vw), 1.1875rem); /* min:16px max:19px */
    font-weight: 500;
    color: var(--color-text);
    transition: text-decoration 0.3s ease;
}

.news-list article h3 a:hover {
    text-decoration: none;
}

.news-more {
    display: block;
    margin-top: 30px;
    margin-left: auto;
    width: fit-content;
}

/* ==============================================
   事業紹介
   ============================================== */
.business {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 60px;
    padding: 0;
}

.business > .section-header,
.seasonal > .section-header,
.strength > .section-header {
    width: 360px;
    flex-shrink: 0;
}

.business .business-content {
    width: 980px;
    flex-shrink: 0;
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(2, 465px);
    gap: 40px 50px;
}

.business-grid li {
    display: flex;
    flex-direction: column;
}

.business-grid li > .btn-more {
    margin-left: auto;
}

.business-grid li > a:not(.btn-more) {
    display: block;
}

.business-grid li > div,
.business-grid li > a > div {
    overflow: hidden;
    border-radius: 15px;
    margin-bottom: 20px;
    height: 300px;
    box-shadow: 3px 3px 12px rgba(0, 0, 0, 0.15);
}

.business-grid li > div img,
.business-grid li > a > div img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.business-grid li > a:not(.btn-more):hover > div img {
    transform: scale(1.04);
}

.business-grid li > h3 {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: clamp(1.125rem, calc(0.949rem + 0.751vw), 1.625rem); /* min:18px max:26px */
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 14px;
    line-height: 1.5;
}

.business-grid li > h3::before {
    content: '';
    display: inline-block;
    width: 15px;
    height: 15px;
    background: url(../images/head_icon.svg) no-repeat center / contain;
    flex-shrink: 0;
    margin-top: 10px;
}

.business-grid li > p {
    font-size: clamp(0.9375rem, calc(0.894rem + 0.188vw), 1.0625rem); /* min:15px max:17px */
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 24px;
}

/* ==============================================
   季節・催事のご提案
   ============================================== */
.seasonal {
    display: flex;
    align-items: flex-start;
    gap: 60px;
    position: relative;
    padding: 80px 0;
}

.seasonal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100vw;
    height: 100%;
    background-color: var(--color-bg-beige);
    z-index: -1;
}

.seasonal .seasonal-content {
    width: 980px;
    flex-shrink: 0;
}

.seasonal-grid {
    display: grid;
    grid-template-columns: repeat(2, 465px);
    gap: 40px 50px;
}

/* 1〜2件：全アイテム全幅 */
.seasonal-grid--stack li {
    grid-column: 1 / -1;
}

/* 全アイテム共通レイアウト */
.seasonal-grid li {
    display: grid;
    grid-template-columns: 1fr auto;
    column-gap: 20px;
}

/* 1枚目：フル幅 */
.seasonal-grid li:first-child {
    grid-column: 1 / -1;
}

.seasonal-grid li > div:not(.seasonal-item-footer) {
    grid-column: 1 / -1;
    aspect-ratio: 5 / 2;
    margin-bottom: 16px;
    box-shadow: 3px 3px 12px rgba(0, 0, 0, 0.15);
    border-radius: 15px;
    overflow: hidden;
}

.seasonal-grid li > h3 {
    grid-column: 1 / -1;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: clamp(1.125rem, calc(0.949rem + 0.751vw), 1.625rem); /* min:18px max:26px */
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 14px;
    line-height: 1.5;
}

.seasonal-grid li > h3::before {
    content: '';
    display: inline-block;
    width: 15px;
    height: 15px;
    background: url(../images/head_icon.svg) no-repeat center / contain;
    flex-shrink: 0;
    margin-top: 10px;
}

.seasonal-item-footer {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 20px;
}

.seasonal-item-footer p {
    flex: 1;
    font-size: clamp(0.9375rem, calc(0.894rem + 0.188vw), 1.0625rem); /* min:15px max:17px */
    line-height: 1.8;
}

.seasonal-item-btns {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* 3枚時：2・3枚目はボタンをカラム落ち・右揃え */
.seasonal-grid:not(.seasonal-grid--stack) li:not(:first-child) .seasonal-item-footer {
    flex-direction: column;
    align-items: flex-start;
}

.seasonal-grid:not(.seasonal-grid--stack) li:not(:first-child) .seasonal-item-footer p {
    flex: none;
}

.seasonal-grid:not(.seasonal-grid--stack) li:not(:first-child) .seasonal-item-btns {
    align-self: flex-end;
}

/* 画像共通 */
.seasonal-grid li > div:not(.seasonal-item-footer) img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.seasonal-grid li > div:not(.seasonal-item-footer):hover img {
    transform: scale(1.04);
}



/* ==============================================
   Responsive - Wide (〜1440px) コンテンツ余白・固定幅解除
   ============================================== */
@media (max-width: 1440px) {

    /* 全セクション：左右余白を確保 */
    .below-keyvisual > section {
        padding-inline: 20px;
    }

    /* 商品カテゴリ：固定幅 → 流動幅 */
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    /* 事業紹介：固定幅 → 流動幅 */
    .business .business-content {
        width: auto;
        flex: 1;
        min-width: 0;
    }

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

    /* インパックの強み：固定幅 → 流動幅 */
    .strength > .section-header {
        flex-shrink: 1;
    }

    .strength .strength-content {
        width: auto;
        flex: 1;
        min-width: 0;
    }

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

    /* 季節・催事：固定幅 → 流動幅 */
    .seasonal .seasonal-content {
        flex: 1;
        min-width: 0;
    }

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


/* ==============================================
   Responsive - Hamburger (〜1200px) セクション縦積み
   ============================================== */
@media (max-width: 1200px) {

    .below-keyvisual > section {
        margin-top: 80px;
    }

    /* 商品カテゴリ：4列→2列 */
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* インパックの強み：縦積み */
    .strength {
        flex-direction: column;
        gap: 40px;
        padding: 80px 20px;
    }

    .business > .section-header,
    .seasonal > .section-header,
    .strength > .section-header {
        width: 100%;
    }

    .strength .strength-content {
        width: 100%;
    }

    .strength-grid {
        grid-template-columns: repeat(2, 1fr);
        row-gap: 80px;
    }

    /* 事業紹介：縦積み */
    .business {
        flex-direction: column;
        gap: 40px;
        padding: 40px 20px 0;
    }

    .business .business-content {
        width: 100%;
    }

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

    /* 季節・催事：縦積み */
    .seasonal {
        flex-direction: column;
        gap: 40px;
        padding: 80px 20px;
    }

    .seasonal .seasonal-content {
        width: 100%;
    }

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

    /* 商品カテゴリ・お知らせ余白 */
    .products {
        padding-inline: 20px;
    }

    .news {
        padding: 0 20px 60px;
    }

    /* h2 内の改行を非表示 */
    .seasonal .section-header h2 br,
    .strength .section-header h2 br {
        display: none;
    }

    .section-header h2 {
        margin-bottom: 40px;
    }
}


/* ==============================================
   Responsive - Tablet (〜1024px)
   ============================================== */
@media (max-width: 1024px) {

    .below-keyvisual > section {
        margin-top: 80px;
    }

    /* 商品カテゴリ：4列→2列 */
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* インパックの強み：縦積み・strength-grid は2列維持 */
    .strength {
        flex-direction: column;
        gap: 40px;
        padding: 80px 20px;
    }

    .business > .section-header,
    .seasonal > .section-header,
    .strength > .section-header {
        width: 100%;
    }

    .strength > .section-header {
        margin-bottom: 4em;
    }

    .strength .strength-content {
        width: 100%;
    }

    .strength-grid {
        grid-template-columns: repeat(2, 1fr);
        row-gap: 80px;
    }

    /* 事業紹介：縦積み */
    .business {
        flex-direction: column;
        gap: 40px;
        padding: 80px 20px 0;
    }

    .business .business-content {
        width: 100%;
    }

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

    /* 季節・催事：縦積み・seasonal-grid は2列維持 */
    .seasonal {
        flex-direction: column;
        gap: 40px;
        padding: 80px 20px;
    }

    .seasonal .seasonal-content {
        width: 100%;
    }

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

    /* 商品カテゴリ */
    .products {
        padding-inline: 20px;
    }

    /* お知らせ */
    .news {
        padding-inline: 20px;
    }

    /* h2 内の改行を非表示 */
    .seasonal .section-header h2 br,
    .strength .section-header h2 br {
        display: none;
    }
}


/* ==============================================
   Responsive - Mobile (〜768px)
   ============================================== */
@media (max-width: 768px) {

    /* キービジュアル：動画を非表示・背景画像に切り替え */
    .keyvisual {
        min-height: 500px;
        max-height: 720px;
        background: url('../images/top/kv.webp') no-repeat center center / cover;
    }

    .keyvisual-inner {
        padding-inline: 20px;
        bottom: 150px;
    }

    html[lang^="en"] .keyvisual-inner {
        bottom: 130px;
    }

    html[lang^="en"] .catchcopy-subtext {
        line-height: 1.5;
    }

    html[lang^="en"] .catchcopy {
        font-size: 1.7rem;
        line-height: 1.2;
    }

    .below-keyvisual {
        margin-top: min(100svh, 700px);
    }

    .kv-button {
        max-width: 100%;
    }

    /* 英語サイトのみ縦積み */
    html[lang^="en"] .kv-button {
        grid-template-columns: 1fr;
    }

    html[lang^="en"] .kv-button li:last-child {
        grid-column: auto;
    }

    /* KVニュースをKV内下部にオーバーレイ（モバイル）*/
    .keyvisual-news {
        position: absolute;
        top: auto;
        bottom: 0;
        background-color: rgba(0, 50, 136, 0.5);
        padding: 20px 0 14px;
        color: var(--color-white);
    }

    .keyvisual-news a {
        color: var(--color-white);
    }

    .keyvisual-news-inner {
        flex-wrap: wrap;
        gap: 6px 12px;
        padding-inline: 20px;
        max-width: 100%;
    }

    .keyvisual-news-inner time {
        color: var(--color-white);
    }

    .keyvisual-news-inner .post {
        flex: 0 0 100%;
        overflow: hidden;
    }

    .keyvisual-news-inner .post a {
        display: block;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .keyvisual-news-inner .post a::after {
        background: var(--color-white);
    }

    .keyvisual-news-inner .list_button {
        display: none;
    }

    /* 商品カテゴリ：2列→1列 */
    .products-grid {
        grid-template-columns: 1fr;
    }

    /* お知らせ：time + category → 1行目、タイトル → 2行目 */
    .news-list article {
        flex-wrap: wrap;
        gap: 4px 12px;
    }

    .news-list article h3 {
        flex: 0 0 100%;
    }

    /* 事業紹介：2列→1列 */
    .business-grid {
        grid-template-columns: 1fr;
    }

    /* インパックの強み：縦積み */
    .strength {
        flex-direction: column;
        gap: 40px;
        padding: 80px 20px;
    }

    .strength > .section-header,
    .seasonal > .section-header {
        width: 100%;
    }

    .strength > .section-header {
        margin-bottom: 1.5em;
    }

    .strength .strength-content {
        flex: none;
        width: 100%;
    }

    .strength-grid {
        grid-template-columns: 1fr;
        row-gap: 100px;
        padding-top: 40px;
    }

    /* 季節・催事：縦積み */
    .seasonal {
        flex-direction: column;
        gap: 40px;
        padding: 80px 20px;
    }

    .seasonal .seasonal-content {
        flex: none;
        width: 100%;
    }

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

    /* 1枚目もボタンをカラム落ち・右揃え */
    .seasonal-grid li:first-child .seasonal-item-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .seasonal-grid li:first-child .seasonal-item-btns {
        align-self: flex-end;
    }
}


/* ==============================================
   Language - English
   ============================================== */
html[lang^="en"] p {
    font-weight: normal;
}

html[lang^="en"] .catchcopy p {
    font-weight: inherit;
}

html[lang^="en"] .keyvisual-news-inner .cat,
html[lang^="en"] .keyvisual-news-inner .post {
    font-weight: normal;
}