.story-content-wrapper {
    width: 100%;
    max-width: clamp(320px, 100vw, 1440px);
    margin: 0 auto;
    padding: 0 1.2rem;
    box-sizing: border-box;
    --story-hero-overhang: clamp(240px, 24vw, 338px);
    --story-side-gutter: 1.2rem;
    --story-hero-media-max: clamp(600px, 80vw, 900px);
}

.story-content-wrapper .section-title {
    background-image: url('../img/intro-bg.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: clamp(20px, 3vw, 36px);
    width: 100%;
    max-width: clamp(700px, 80vw, 1084px);
}

.story-section-title-wrapper {
    width: 100%;
    max-width: clamp(700px, 80vw, 1084px);
    margin: 0 auto;
    padding-bottom: clamp(30px, 4vw, 73px);
}

.story-mainvisual {
    background: url(../photo/story/story-bg.webp) 50% 50% / cover no-repeat;
    text-align: center;
    z-index: 2;
}

.story-mainvisual img {
    width: auto;
    height: auto;
    object-fit: cover;
    max-height: 480px;
    max-width: 100%;
}

.story-announcement-section {
    width: 100%;
    /* max-width: clamp(320px, 100vw, 1920px); */
    margin: 0 auto;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(24px, 3vw, 48px);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.story-announcement-content {
    width: 100%;
    max-width: 80vw;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(12px, 1.5vw, 17px);
    margin-top: clamp(16px, 2vw, 29px);
    margin-bottom: clamp(33px, 5vw, 56px);
    z-index: 2;
}


.story-layout {
    width: 100%;
    max-width: 1280px;
    /* 1440px設計に対して、白背景は1280px */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: clamp(16px, 2vw, 26px) clamp(30px, 5vw, 66px);
    margin-inline: auto;
    background-color: var(--color-white);
    box-sizing: border-box;
    margin-top: var(--story-hero-overhang);
    overflow: visible;
}

.story-layout-content {
    width: 100%;
    margin-inline: auto;
    box-sizing: border-box;
    padding-bottom: clamp(80px, 7.2vw, 100.6px);
    transform: translateY(calc(-1 * var(--story-hero-overhang)));
    margin-bottom: calc(-1 * var(--story-hero-overhang));
}

.story-main-image-wrapper {
    width: 100%;
    position: relative;
    display: grid;
    grid-template-rows: auto auto;
    grid-template-areas:
        "label image"
        ". title";
    align-items: start;
    column-gap: clamp(18px, 2.5vw, 32px);
    row-gap: clamp(18px, 2.5vw, 28px);
    z-index: 1;
}

.story-main-image-wrapper-inner {
    width: 100%;
    max-width: var(--story-hero-media-max);
    box-sizing: border-box;
    grid-area: image;
}

.story-main-image-wrapper img {
    width: 100%;
    height: auto;
    object-fit: cover;

}

.story-main-vertical-text {
    color: var(--color-gray);
    font-size: clamp(40px, 8vw, 60px);
    font-family: 'Viga', sans-serif;
    font-weight: 400;
    line-height: 1;
    text-transform: uppercase;
    letter-spacing: 0.5em;
    writing-mode: vertical-rl;
    -ms-writing-mode: vertical-rl;
    -moz-writing-mode: vertical-rl;
    -o-writing-mode: vertical-rl;
    writing-mode: vertical-rl;
    -webkit-writing-mode: vertical-rl;
    -ms-writing-mode: vertical-rl;
    -moz-writing-mode: vertical-rl;
    -o-writing-mode: vertical-rl;
    grid-area: label;
    justify-self: center;
    /* PC：画像ブロックと下揃え */
    align-self: end;
}

.story-episode-text-wrapper {
    width: 100%;
    max-width: clamp(700px, 80vw, 1084px);
    margin: 58.5px auto 0;
    box-sizing: border-box;
    display: flex;
    gap: 41.7px;
    flex-direction: column;
}

.story-text {
    padding: 0;
}

.story-text p {
    font-size: clamp(14px, 1.5vw, 17px);
    line-height: clamp(20px, 2.5vw, 26px);
    color: var(--color-gray);
    margin-bottom: clamp(12px, 1.5vw, 20px);
    margin-top: 0 !important;
}

.story-text-top {
    grid-column: 1;
    grid-row: 1;
}

.introduction-text-bottom {
    grid-column: 1;
    grid-row: 3;
}

.story-episode-image-wrapper {
    width: 100%;
    max-width: clamp(700px, 80vw, 1084px);
    position: relative;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(29px, 3.5vw, 58px);
    box-sizing: border-box;
    margin-inline: auto;
}

@media (max-width: 1024px) {

    /* SP/タブレット：白背景に対して左右1.2remのガターを維持した幅 */
    .story-main-image-wrapper-inner,
    .story-episode-image-wrapper {
        width: calc(100% - (var(--story-side-gutter) * 2));
        max-width: none;
        margin-inline: auto;
    }

    .story-episode-text-wrapper {
        max-width: none;
    }

    /* SP：画像の下（タイトルの上）に「第一話」を配置 */
    .story-main-image-wrapper {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
        grid-template-areas:
            "image"
            "label"
            "title";
        row-gap: clamp(12px, 2vw, 18px);
    }

    .story-main-vertical-text {
        writing-mode: horizontal-tb;
        -webkit-writing-mode: horizontal-tb;
        letter-spacing: 0.2em;
        font-size: clamp(22px, 4vw, 32px);
        text-align: center;
        align-self: center;
    }

    .story-episode-image-wrapper {
        grid-template-columns: 1fr;
    }
}

.story-episode-image-wrapper img {
    width: 100%;
    height: auto;
    object-fit: cover;
    box-sizing: border-box;
}

@media (max-width: 1040px) {
    .story-layout {
        gap: 30px;
    }

    .story-text {
        width: calc(100% - (var(--story-side-gutter) * 2));
        margin-inline: auto;
    }

    .story-text-top,
    .introduction-image-top-right,
    .introduction-image-center-left,
    .introduction-text-center,
    .introduction-image-bottom-right,
    .introduction-text-bottom {
        grid-column: 1;
    }

    .story-text-top {
        grid-row: 1;
    }

    .introduction-image-top-right {
        grid-row: 2;
    }

    .introduction-image-center-left {
        grid-row: 3;
    }

    .introduction-text-center {
        grid-row: 4;
    }

    .introduction-image-bottom-right {
        grid-row: 5;
    }

    .introduction-text-bottom {
        grid-row: 6;
    }
}

@media (max-width: 768px) {
    .story-content-wrapper {
        --story-hero-overhang: 180px;
    }

    .story-episode-title-wrapper {
        grid-template-columns: 1fr;
        row-gap: clamp(16px, 2.5vw, 24px);
    }
}

/* Story Section */
.story-str-section {
    width: 100%;
    --story-str-margin-top: clamp(240px, 24vw, 290.5px);
    --story-str-margin-bottom: clamp(240px, 24vw, 360px);
    margin: var(--story-str-margin-top) auto var(--story-str-margin-bottom);
    position: relative;
    z-index: 2;
    overflow: visible;
    isolation: isolate;
    /* 背景イラストをセクション内でレイヤー管理 */
    --story-str-bg-top: clamp(240px, 24vw, 290.5px);
    --story-str-bg-bottom: clamp(240px, 24vw, 360px);
    /* 下側も可変にしたい場合は負数で下にはみ出し可 */
}

.story-str-section::before {
    content: '';
    position: absolute;
    top: calc(var(--story-str-bg-top) * -1);
    bottom: calc(var(--story-str-bg-bottom) * -1);
    /* sectionの高さから自動で計算（topが負なら上に、bottomが負なら下にも伸びる） */
    width: 100%;
    background: var(--color-yellow);
    opacity: 0.28;
    z-index: -1;
    pointer-events: none;
    clip-path: polygon(0 15%, 100% 0%, 100% 100%, 0% 100%);
}

@media (max-width: 768px) {
    .story-str-section::before {
        clip-path: polygon(0 7%, 100% 0%, 100% 100%, 0% 100%);
    }
}

.story-str-section> :not(.story-decorative-images) {
    position: relative;
    z-index: 1;
}

.story-footer {
    width: 100%;
    margin: 0 auto;
    box-sizing: border-box;
    z-index: 2;
    position: relative;
}

.story-footer img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.story-episode-title-wrapper {
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    gap: clamp(30px, 3.5vw, 50px);
}

.story-title-wrapper {
    grid-area: title;
    width: 100%;
    max-width: var(--story-hero-media-max);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: baseline;
}

@media (max-width: 1024px) {
    .story-title-wrapper {
        width: calc(100% - (var(--story-side-gutter) * 2));
        max-width: none;
        margin-inline: auto;
        align-items: center;
        justify-self: center;
    }
}

    .story-episode-title {
        font-size: clamp(16px, 3vw, 44px);
        font-family: 'Shippori Antique B1', sans-serif;
        line-height: 1;
        font-weight: 400;
        color: var(--color-black);
        margin: 0;
        padding: 0;
        text-align: center;
        letter-spacing: 0.23em;
        padding: 0 30px 5.9px 30px;
    }

    .story-episode-title-break {
        display: none;
    }
    @media (max-width: 500px) {
        .story-episode-title-break {
            display: block;
        }
    }

    .story-episode-line {
        width: 100%;
        height: auto;
        max-height: 32px;
        object-fit: contain;
    }

    /* 背景イラストは「セクション全面オーバーレイ」にするとレスポンシブが楽
   - 高さは自動でstory-str-sectionに追従（height計算不要）
   - 中身だけtop/left/sizeを調整すればOK */
    .story-decorative-images {
        position: absolute;
        /* margin領域は要素の高さに含まれないため、
       top/bottomを負にして見た目としてmargin分もカバーする */
        top: calc(-1 * var(--story-str-margin-top));
        bottom: calc(-1 * var(--story-str-margin-bottom));
        left: 0;
        right: 0;
        width: 100%;
        pointer-events: none;
        z-index: 0;
        overflow: hidden;
    }

    .story-cat-icon {
        position: absolute;
        left: 0;
        bottom: 0;
        transform: translateY(-60%);
        width: auto;
        height: clamp(220px, 21vw, 446.42px);
        object-fit: contain;
        pointer-events: none;
    }

    @media (max-width: 1440px) {
        .story-cat-icon {
            transform: translateY(0);
        }
    }

    @media (max-width: 425px) {
        .story-cat-icon {
            max-height: 150px;
            height: auto;
        }
    }

    .story-onigiri-icon {
        position: absolute;
        right: 2%;
        bottom: 2%;
        width: auto;
        height: clamp(140px, 20vw, 278px);
        object-fit: contain;
        pointer-events: none;
    }

    @media (max-width: 425px) {
        .story-onigiri-icon {
            max-height: 120px;
            height: auto;
        }
    }