/* =========================================================
   Page Column CSS - Prism in the Space
   横スクロール型 思考アーカイブ
========================================================= */


/* =========================================================
   1. Column Shell
========================================================= */
.page-column-shell {
    display: block;

    padding-top: 104px;
    padding-bottom: 88px;

    overflow: hidden;
}

.column-header {
    width: min(1080px, calc(100vw - 72px));
    margin: 0 auto 56px;
}

.column-header__en {
    display: inline-flex;
    align-items: center;
    gap: 18px;

    margin: 0 0 18px;

    font-family: var(--font-display);
    font-size: 0.82rem;
    letter-spacing: 0.24em;
    line-height: 1.4;

    color: rgba(255, 220, 150, 0.72);

    text-transform: uppercase;
}

.column-header__en::after {
    content: "";

    display: block;

    width: 96px;
    height: 1px;

    background:
        linear-gradient(
            to right,
            currentColor,
            transparent
        );

    opacity: 0.6;
}

.column-header__title {
    margin: 0;

    font-size: clamp(42px, 5vw, 82px);
    line-height: 1.05;
    letter-spacing: 0.04em;

    color: rgba(235, 242, 255, 0.72);
}


/* =========================================================
   2. Horizontal Viewport
========================================================= */
.column-viewport {
    position: relative;

    width: 100%;
    margin: 0 auto;
}

.column-track-wrap {
    width: 100%;

    overflow-x: auto;
    overflow-y: hidden;

    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;

    -webkit-overflow-scrolling: touch;

    perspective: 1400px;
    scrollbar-width: none;

    padding: 18px 0 34px;
}

.column-track-wrap::-webkit-scrollbar {
    display: none;
}

.column-track-wrap::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.04);
}

.column-track-wrap::-webkit-scrollbar-thumb {
    background: rgba(255, 220, 150, 0.22);
    border-radius: 999px;
}

.column-track {
    display: flex;
    gap: 20px;

    width: max-content;

    padding-left: max(48px, calc((100vw - 1080px) / 2));
    padding-right: max(48px, calc((100vw - 1080px) / 2));

    transform-style: preserve-3d;
}


/* =========================================================
   3. Card
========================================================= */
.column-card {
    position: relative;

    flex: 0 0 min(540px, 72vw);

    min-height: 460px;

    scroll-snap-align: center;

    border-radius: 28px;
    overflow: hidden;

    background: rgba(0, 12, 32, 0.8);

    border: 1px solid rgba(255, 245, 220, 0.10);

    backdrop-filter: blur(3px);

    box-shadow:
        0 0 28px rgba(80, 140, 220, 0.10),
        inset 0 0 24px rgba(140, 190, 255, 0.04);

    transform:
        translateY(0)
        scale(0.92)
        rotateY(0deg);

    opacity: 0.72;

    transition:
        transform 0.45s ease,
        opacity 0.45s ease,
        border-color 0.4s ease,
        box-shadow 0.4s ease;

    will-change: transform;
}

.column-card.is-center {
    transform:
        translateY(-8px)
        scale(1);

    opacity: 1;

    z-index: 10;
}

.column-card.is-left {
    transform:
        translateY(10px)
        scale(0.92)
        rotateY(4deg);

    opacity: 0.64;
}

.column-card.is-right {
    transform:
        translateY(10px)
        scale(0.92)
        rotateY(-4deg);

    opacity: 0.64;
}

.column-card__link {
    min-height: 460px;
    box-sizing: border-box;

    display: flex;
    flex-direction: column;

    padding: 42px 38px;

    color: inherit;
    text-decoration: none;
}

.column-card__meta {
    margin-bottom: 52px;
}

.column-card__category {
    display: inline-flex;
    align-items: center;
    gap: 18px;

    font-family: var(--font-display);
    font-size: 0.78rem;
    letter-spacing: 0.22em;
    line-height: 1.4;

    text-transform: uppercase;
}

.column-card__category::after {
    content: "";

    display: block;

    width: 92px;
    height: 1px;

    background:
        linear-gradient(
            to right,
            currentColor,
            transparent
        );

    opacity: 0.58;
}

.column-card__title {
    margin: 0 0 22px;

    font-family: "PrismSerif";

    font-size: clamp(28px, 2.4vw, 44px);
    line-height: 1.18;
    letter-spacing: 0.03em;

    color: rgba(255, 255, 255, 0.96);

    min-height: calc(1.18em * 2);

    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;

    overflow: hidden;
    text-overflow: ellipsis;
}

.column-card__jp-title {
    margin: 18px 0 34px;

    min-height: calc(1.8em * 1);

    font-size: 1rem;
    line-height: 1.8;
    letter-spacing: 0.08em;

    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;

    overflow: hidden;
    text-overflow: ellipsis;
}

.column-card__excerpt {
    margin: 0;

    font-size: 0.95rem;
    line-height: 1.95;

    color: rgba(235, 242, 255, 0.72);

    min-height: calc(1.95em * 3);

    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;

    overflow: hidden;
    text-overflow: ellipsis;
}

.column-card__date {
    margin-top: auto;
    padding-top: 40px;

    text-align: right;

    font-family: var(--font-display);
    font-size: 0.8rem;
    letter-spacing: 0.12em;

    color: rgba(224, 242, 255, 0.5);

    opacity: 0.6;
}


/* =========================================================
   4. Category Color
========================================================= */

/* Insight */
.column-card--insights {
    border-color: rgba(0, 242, 255, 0.20);

    box-shadow:
        0 0 28px rgba(0, 242, 255, 0.08),
        inset 0 0 24px rgba(0, 242, 255, 0.04);
}

.column-card--insights .column-card__category,
.column-card--insights .column-card__jp-title {
    color: rgba(0, 242, 255, 0.92);
}


/* Memory */
.column-card--momory {
    border-color: rgba(188, 154, 255, 0.22);

    box-shadow:
        0 0 28px rgba(188, 154, 255, 0.10),
        inset 0 0 24px rgba(188, 154, 255, 0.05);
}

.column-card--momory .column-card__category,
.column-card--momory .column-card__jp-title {
    color: rgba(208, 182, 255, 0.94);
}


/* Truth */
.column-card--truth {
    border-color: rgba(255, 214, 120, 0.24);

    box-shadow:
        0 0 28px rgba(255, 214, 120, 0.10),
        inset 0 0 24px rgba(255, 214, 120, 0.05);
}

.column-card--truth .column-card__category,
.column-card--truth .column-card__jp-title {
    color: rgba(255, 220, 140, 0.94);
}


/* Cross Over */
.column-card--cross-over {
    border-color: rgba(120, 240, 190, 0.24);

    box-shadow:
        0 0 28px rgba(120, 240, 190, 0.10),
        inset 0 0 24px rgba(120, 240, 190, 0.05);
}

.column-card--cross-over .column-card__category,
.column-card--cross-over .column-card__jp-title {
    color: rgba(120, 240, 190, 0.94);
}


/* =========================================================
   5. Navigation
========================================================= */
.column-nav {
    position: absolute;
    top: 50%;
    z-index: 20;

    width: 58px;
    height: 58px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 50%;
    border: 1px solid rgba(255, 245, 220, 0.16);

    background: rgba(18, 22, 32, 0.72);

    color: rgba(255, 235, 190, 0.82);

    font-size: 1.4rem;

    cursor: pointer;

    transform: translateY(-50%);

    box-shadow:
        0 8px 30px rgba(0, 0, 0, 0.28),
        0 0 24px rgba(255, 200, 120, 0.08);

    transition:
        border-color 0.3s ease,
        color 0.3s ease,
        transform 0.3s ease;
}

.column-nav--prev {
    left: 24px;
}

.column-nav--next {
    right: 24px;
}

.column-nav:hover {
    border-color: rgba(255, 220, 150, 0.34);

    color: rgba(255, 235, 190, 1);

    transform:
        translateY(-50%)
        scale(1.04);
}


/* =========================================================
   6. Pagination
========================================================= */
.column-pagination {
    width: min(1080px, calc(100vw - 72px));

    margin: 42px auto 0;

    display: flex;
    justify-content: center;
    gap: 10px;
}

.column-pagination .page-numbers {
    min-width: 40px;
    height: 40px;

    padding: 0 14px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    border-radius: 999px;

    border: 1px solid rgba(255, 245, 220, 0.12);

    background: rgba(18, 22, 32, 0.48);

    color: rgba(235, 242, 255, 0.68);

    text-decoration: none;
}

.column-pagination .current {
    background: rgba(255, 220, 150, 0.82);

    color: rgba(20, 22, 28, 0.95);
}


/* =========================================================
   7. Responsive
========================================================= */
@media (max-width: 768px) {
    .page-column-shell {
        padding-top: 82px;
        padding-bottom: 72px;
    }

    .column-header {
        width: calc(100vw - 32px);

        margin-bottom: 38px;
    }

    .column-header__title {
        font-size: clamp(36px, 11vw, 54px);
    }

    .column-track-wrap {
        padding-top: 10px;
        padding-bottom: 24px;

    }

    .column-track {
        gap: 18px;

        padding-left: 0;
        padding-right: 0;
    }

    .column-track::before,
    .column-track::after {
        content: "";
        flex: 0 0 9vw;
    }

    .column-card {
        flex: 0 0 82vw;

        min-height: 420px;

        border-radius: 24px;

        scroll-snap-align: center;
    }

    .column-card__link {
        min-height: 420px;

        padding: 32px 26px;
    }

    .column-card__meta {
        margin-bottom: 42px;
    }

    .column-card__category {
        gap: 12px;

        font-size: 0.7rem;
    }

    .column-card__category::after {
        width: 54px;
    }

    .column-card__title {
        font-size: clamp(24px, 7vw, 34px);
    }

    .column-card__jp-title {
        font-size: 0.92rem;
        min-height: calc(1.8em * 2);

        -webkit-line-clamp: 2;
    }

    .column-nav {
        display: none;
    }

    .column-pagination {
        width: calc(100vw - 32px);

        margin-top: 30px;

        flex-wrap: wrap;
    }
}

/* =========================================================
   Dial Carousel Mode
   scrollではなく、JSのtransformで横移動する
========================================================= */

.column-track-wrap {
    overflow: hidden;
    scroll-snap-type: none;
    scroll-behavior: auto;
}

.column-track {
    --dial-card-width: min(540px, 72vw);

    padding-left: calc((100vw - var(--dial-card-width)) / 2);
    padding-right: calc((100vw - var(--dial-card-width)) / 2);

    will-change: transform;
}

.column-card {
    scroll-snap-align: none;
}

.column-nav:disabled {
    opacity: 0.42;
    cursor: wait;
    pointer-events: none;
}

@media (max-width: 768px) {
    .column-track {
        --dial-card-width: 82vw;

        padding-left: calc((100vw - var(--dial-card-width)) / 2);
        padding-right: calc((100vw - var(--dial-card-width)) / 2);
    }

    .column-track::before,
    .column-track::after {
        content: none;
        display: none;
    }

    .column-track-wrap {
        touch-action: pan-y;
    }
}