/* ==========================================================================
   region-showcase.css — "Must-see highlights" interactive photo viewer

   Layout of the frame — every region uses this exact shape:
     [ the photo ]  [ WHAT YOU'LL SEE  — the numbered contents list ]
                    [ the caption card of the photo on stage        ]
   The photo owns the left column and spans both rows, the right column
   stacks the list on top of the caption. Under 1000px everything stacks.
   ========================================================================== */

.na-sh-wrap {
    position: relative;
    width: 100%;
}

/* ---------- the frame (a soft "browser window" panel) ---------- */
.na-sh-stage {
    position: relative;
    display: grid;
    /* left column is sized by the photo itself; the right column caps at the
       list/caption width. justify-content centers the WHOLE cluster inside
       the panel, so there is no dead pink strip hugging one side. */
    grid-template-columns: auto minmax(auto, 420px);
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    padding: 1rem 1.15rem 1.15rem;
    background: radial-gradient(120% 130% at 50% 0%, #FFF8F9 0%, #F1E7EC 100%);
    border: 1px solid rgba(214, 175, 186, .55);
    border-radius: 20px 20px 0 0;
}

/* ---------- the text column (contents list) keeps a sane floor ---------- */
.na-sh-side { min-width: 0; }

/* ---------- the photo ---------- */
.na-sh-media {
    position: relative;
    flex: 0 0 auto;
    width: 636px;
    max-width: 100%;
    /* the photo owns the LEFT column and spans both rows of the grid, so it
       stays optically centred against the list + caption stacked on the right */
    grid-column: 1;
    grid-row: 1 / span 2;
    align-self: center;
}

.na-sh-viewport {
    position: relative;
    width: 636px;
    /* every highlight photo is 480x360, so the frame is locked to 4:3 —
       the picture then drops in WHOLE instead of being sliced by
       object-fit: cover, which used to throw away ~37% of its height */
    aspect-ratio: 4 / 3;
    height: auto;
    max-width: 100%;
    border-radius: 14px;
    overflow: hidden;
    background: #EFE4E9;
    box-shadow: 0 10px 26px rgba(90, 50, 70, .18);
    cursor: zoom-in;
}

.na-sh-slide {
    position: absolute;
    inset: 0;
    margin: 0;
    opacity: 0;
    transition: opacity .45s ease;
}

.na-sh-slide.is-active { opacity: 1; }

.na-sh-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* small thumbnail in the top corner: the second frame of a highlight */
.na-sh-extra {
    position: absolute;
    top: .55rem;
    right: .55rem;
    z-index: 6;
    width: 58px;
    height: 44px;
    padding: 0;
    border: 2px solid rgba(255, 255, 255, .92);
    border-radius: 8px;
    background: #EFE4E9;
    overflow: hidden;
    cursor: zoom-in;
    box-shadow: 0 6px 14px rgba(90, 50, 70, .3);
    transition: transform .25s ease, box-shadow .25s ease;
}

.na-sh-extra:hover {
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 10px 22px rgba(90, 50, 70, .38);
}

.na-sh-extra > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.na-sh-extra-cap {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .1rem;
    padding: .02rem 0;
    background: rgba(38, 20, 16, .72);
    color: #fff;
    font-size: .52rem;
    font-weight: 700;
    letter-spacing: .04em;
}

/* bare chevrons — no circle around them, just the < or > glyph
   floating over the photo edges. */
.na-sh-nav {
    position: absolute;
    top: 50%;
    margin-top: -.62rem;
    z-index: 6;
    width: 30px;
    height: 34px;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 0;
    background: none;
    color: rgba(255, 255, 255, .95);
    font-size: 1.45rem;
    line-height: 1;
    cursor: pointer;
    text-shadow: 0 2px 8px rgba(40, 20, 15, .45);
    transition: opacity .2s ease, transform .2s ease;
}

.na-sh-nav--prev { left: 5px; }
.na-sh-nav--next { right: 5px; }

.na-sh-nav:hover { opacity: 1; transform: scale(1.22); }
.na-sh-nav:active { transform: scale(.94); }

/* ---------- the caption card of whichever photo is on stage ----------
   It lives in the BOTTOM of the right column, under the contents list —
   the list reads as the table of contents, the caption as the entry for
   whichever photo is on the stage right now. */
.na-sh-now {
    grid-column: 2;
    grid-row: 2;
    /* top-aligned so it never floats into the gap under the list */
    align-self: start;
    max-width: 420px;
    padding: .7rem .75rem .8rem;
    background: #fff;
    border: 1px solid rgba(214, 175, 186, .5);
    border-radius: 14px;
    box-shadow: 0 6px 18px rgba(120, 70, 90, .07);
    /* fixed reserve so paging through photos never makes the column jump */
    min-height: 10rem;
}

.na-sh-now.is-fading .na-sh-now-kind,
.na-sh-now.is-fading .na-sh-now-title,
.na-sh-now.is-fading .na-sh-now-title-ja,
.na-sh-now.is-fading .na-sh-now-note {
    animation: na-sh-fade .34s ease both;
}

@keyframes na-sh-fade {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: none; }
}

.na-sh-now-kind {
    display: inline-flex;
    align-items: center;
    padding: .16rem .55rem;
    border-radius: 999px;
    background: rgba(180, 67, 106, .1);
    color: #B4436A;
    font-size: .58rem;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.na-sh-now-title {
    margin: .35rem 0 0;
    font-size: .95rem;
    font-weight: 800;
    line-height: 1.25;
    color: #3E231A;
}

.na-sh-now-title-ja {
    margin-top: .1rem;
    font-size: .72rem;
    line-height: 1.3;
    color: #8A6A5C;
}

/* the whole description, never truncated — paging only swaps text */
.na-sh-now-note {
    margin: .35rem 0 0;
    font-size: .73rem;
    line-height: 1.6;
    color: #6B4A3A;
}

/* ---------- contents, each row jumps to that photo ---------- */
.na-sh-side--list {
    grid-column: 2;
    grid-row: 1;
    align-self: start;
    /* the pink frame keeps breathing room on the right instead of stretching
       the list all the way across */
    max-width: 420px;
}

.na-sh-side-head {
    display: flex;
    align-items: baseline;
    gap: .45rem;
    margin-bottom: .45rem;
}

.na-sh-side-head-en {
    font-size: .6rem;
    font-weight: 800;
    letter-spacing: .12em;
    color: #B4436A;
}

.na-sh-side-head-ja {
    font-size: .7rem;
    color: #8A6A5C;
}

.na-sh-side-items {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: .26rem;
    /* a region can carry a dozen photos — let the list scroll instead of
       dragging the whole frame taller than the photo itself */
    max-height: 420px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(180, 67, 106, .3) transparent;
}

.na-sh-side-items::-webkit-scrollbar { width: 6px; }

.na-sh-side-items::-webkit-scrollbar-track { background: transparent; }

.na-sh-side-items::-webkit-scrollbar-thumb {
    background: rgba(180, 67, 106, .28);
    border-radius: 999px;
}

.na-sh-side-item {
    width: 100%;
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .34rem .45rem;
    border: 0;
    border-radius: 10px;
    background: transparent;
    text-align: left;
    cursor: pointer;
    transition: background .2s ease, box-shadow .2s ease;
}

.na-sh-side-item:hover { background: rgba(255, 255, 255, .72); }

.na-sh-side-item.is-active {
    background: #fff;
    box-shadow: inset 0 0 0 1px rgba(180, 67, 106, .22);
}

.na-sh-side-item-no {
    flex: 0 0 auto;
    min-width: 1.4em;
    font-size: .62rem;
    font-weight: 800;
    color: #B4436A;
    opacity: .65;
}

.na-sh-side-item-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.na-sh-side-item-text b,
.na-sh-side-item-text i {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.na-sh-side-item-text b {
    font-size: .76rem;
    font-weight: 700;
    color: #3E231A;
}

.na-sh-side-item-text i {
    font-style: normal;
    font-size: .64rem;
    color: #8A6A5C;
}

/* ---------- bottom bar: counter + progress + autoplay ---------- */
.na-sh-bar {
    display: flex;
    align-items: center;
    gap: .85rem;
    padding: .5rem .95rem .6rem;
    background: #fff;
    border: 1px solid rgba(214, 175, 186, .5);
    border-top: 0;
    border-radius: 0 0 20px 20px;
}

.na-sh-bar-btn {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    border: 0;
    background: none;
    padding: .2rem .3rem;
    border-radius: 8px;
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .05em;
    color: #B4436A;
    cursor: pointer;
    transition: opacity .2s ease, background .2s ease;
}

.na-sh-bar-btn:hover { background: rgba(180, 67, 106, .08); }

.na-sh-bar-btn.is-paused { opacity: .42; }

.na-sh-bar-track {
    flex: 1 1 auto;
    height: 4px;
    border-radius: 999px;
    background: rgba(214, 175, 186, .45);
    overflow: hidden;
}

.na-sh-bar-fill {
    display: block;
    height: 100%;
    width: 14%;
    border-radius: 999px;
    background: linear-gradient(90deg, #E4899F, #B4436A);
    transition: width .45s ease;
}

.na-sh-bar-count {
    flex: 0 0 auto;
    font-size: .72rem;
    color: #8A6A5C;
    font-variant-numeric: tabular-nums;
}

.na-sh-bar-count b { color: #B4436A; }

/* ---------- full-screen viewer ---------- */
.na-sh-lb {
    position: fixed;
    inset: 0;
    z-index: 1200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem 4.4rem;
    background: rgba(38, 20, 16, .9);
    backdrop-filter: blur(4px);
}

.na-sh-lb.is-open { display: flex; }

/* ---------- the frame: same soft pink panel as the highlights stage ----------
   The photo sits inset on the panel with rounded corners and a soft drop
   shadow, instead of the old white "print mat" hugging every edge.
   The white stroke around the outside is what turns the pink mat into a
   photo frame — rounded on all four corners.                                */
.na-sh-lb-figure {
    position: relative;
    z-index: 2;
    padding: 14px;
    max-width: min(892px, 90vw);
    background: radial-gradient(120% 130% at 50% 0%, #FDEFF4 0%, #F2DCE4 100%);
    /* keep the white keyline hairline-thin (3px read as a chunky frame) */
    border: 1.5px solid #fff;
    border-radius: 26px;
    box-shadow:
        0 0 0 1px rgba(180, 67, 106, .26),
        0 22px 54px rgba(0, 0, 0, .5);
}

/* the picture gets its own white keyline so it reads as mounted on the mat */
.na-sh-lb-figure > img {
    display: block;
    max-width: 100%;
    max-height: 66vh;
    border-radius: 14px;
    box-shadow: 0 0 0 1.5px #fff, 0 10px 26px rgba(90, 50, 70, .18);
}

.na-sh-lb-caption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 1.7rem;
    margin: 0;
    padding: 0 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .18rem;
    text-align: center;
    color: rgba(255, 255, 255, .92);
}

/* the category pill — a rounded, highlighted badge so it reads as a tag
   rather than another line of white caption text */
.na-sh-lb-caption .na-sh-lb-kind {
    display: inline-block;
    margin-bottom: .1rem;
    /* wide and flat, like the reference badge */
    padding: .24rem 1.6rem;
    font-size: .64rem;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: #fff;
    /* soft rose rather than a deep fuchsia block */
    background: linear-gradient(135deg, #F2A6C1 0%, #E07BA6 100%);
    border: 1px solid rgba(255, 255, 255, .8);
    border-radius: 999px;
    box-shadow: 0 3px 10px rgba(150, 60, 100, .32);
}

.na-sh-lb-caption .na-sh-lb-title {
    font-size: 1rem;
    font-weight: 700;
}

.na-sh-lb-caption .na-sh-lb-ja {
    font-size: .78rem;
    color: rgba(255, 255, 255, .72);
}

.na-sh-lb-caption .na-sh-lb-note {
    max-width: 46rem;
    margin-top: .2rem;
    font-size: .76rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, .62);
}

.na-sh-lb-btn {
    position: absolute;
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, .16);
    color: #fff;
    font-size: .9rem;
    cursor: pointer;
    transition: background .2s ease, transform .2s ease;
}

.na-sh-lb-btn:hover { background: rgba(255, 255, 255, .3); transform: scale(1.08); }

.na-sh-lb-btn--close { top: 1rem; right: 1rem; }
.na-sh-lb-btn--prev { left: 1.2rem; top: 50%; margin-top: -20px; }
.na-sh-lb-btn--next { right: 1.2rem; top: 50%; margin-top: -20px; }

/* ---------- responsive ---------- */
@media (max-width: 1180px) {
    .na-sh-media { width: 500px; }
    /* 4:3 comes from the base rule, so only the width is stepped down */
    .na-sh-viewport { width: 500px; height: auto; }
    .na-sh-stage { gap: 1.1rem; padding: .9rem 1rem; }
}

@media (max-width: 1000px) {
    .na-sh-wrap {
        max-width: 660px;
        margin-left: auto;
        margin-right: auto;
    }
    .na-sh-stage {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: .9rem;
        border-radius: 20px;
    }
    .na-sh-media {
        order: 1;
        width: 100%;
        max-width: 560px;
        margin: 0 auto;
        grid-column: auto;      /* stacked layout → ordinary flow again */
        grid-row: auto;
    }
    /* stacked: still 4:3, but capped so a tablet never gets a 700px photo */
    .na-sh-viewport { width: 100%; height: auto; }
    .na-sh-now { order: 2; width: 100%; max-width: none; min-height: 0; grid-column: auto; grid-row: auto; margin-top: 0; }
    .na-sh-side--list { order: 3; width: 100%; max-width: none; grid-column: auto; grid-row: auto; }
    .na-sh-side-items { max-height: none; overflow: visible; }
    .na-sh-bar { border-radius: 0 0 20px 20px; }
}

@media (max-width: 640px) {
    /* no height override here on purpose — the 4:3 aspect ratio keeps the
       picture whole, and a max-height would break the ratio again */
    .na-sh-nav { width: 26px; height: 30px; font-size: 1.3rem; }
    .na-sh-bar { gap: .55rem; padding: .45rem .7rem .5rem; }
    .na-sh-bar-count { font-size: .66rem; }
}

@media (prefers-reduced-motion: reduce) {
    .na-sh-slide,
    .na-sh-slide img,
    .na-sh-bar-fill,
    .na-sh-nav,
    .na-sh-extra,
    .na-sh-extra > img { transition: none; animation: none; }
    .na-sh-slide.is-active img { animation: none; }
}