05Lightbox You Pan by Dragging After Zooming In

<main class="stage">
<div class="scene is-demo" id="scene">
  <ul class="grid" id="grid">
    <li><button class="thumb" id="thumb0" type="button" aria-haspopup="dialog"><span class="thumbImg"></span></button></li>
  </ul>
  <div class="backdrop" id="backdrop"></div>
  <div class="lightbox" id="lightbox" role="dialog" aria-modal="true" aria-hidden="true" aria-label="Zoom and pan photo">
    <div class="frame" id="frame">
      <span class="fullImg" id="fullImg"></span>
    </div>
    <button class="zoomBtn zoomBtn--in" id="zoomInBtn" type="button" aria-label="Zoom in"><svg xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" viewBox="0 0 256 256" aria-hidden="true"><g fill="currentColor"><path d="M192 112a80 80 0 1 1-80-80a80 80 0 0 1 80 80" opacity=".2"/><path d="m229.66 218.34l-50.06-50.06a88.21 88.21 0 1 0-11.32 11.31l50.06 50.07a8 8 0 0 0 11.32-11.32M40 112a72 72 0 1 1 72 72a72.08 72.08 0 0 1-72-72m112 0a8 8 0 0 1-8 8h-24v24a8 8 0 0 1-16 0v-24H80a8 8 0 0 1 0-16h24V80a8 8 0 0 1 16 0v24h24a8 8 0 0 1 8 8"/></g></svg></button>
    <button class="zoomBtn zoomBtn--out" id="zoomOutBtn" type="button" aria-label="Zoom out"><svg xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" viewBox="0 0 256 256" aria-hidden="true"><g fill="currentColor"><path d="M192 112a80 80 0 1 1-80-80a80 80 0 0 1 80 80" opacity=".2"/><path d="m229.66 218.34l-50.06-50.06a88.21 88.21 0 1 0-11.32 11.31l50.06 50.07a8 8 0 0 0 11.32-11.32M40 112a72 72 0 1 1 72 72a72.08 72.08 0 0 1-72-72m112 0a8 8 0 0 1-8 8H80a8 8 0 0 1 0-16h64a8 8 0 0 1 8 8"/></g></svg></button>
    <p class="zoomNote" id="zoomNote">1.0×</p>
    <button class="closeBtn" id="closeBtn" type="button">Close</button>
  </div>
</div>
</main>

@use "../../../../site/static/demo-tokens" as *;

// 변수 3개
$duration: $dur-base;
$easing: $ease-out;
$color: $subject-mint;

// 계산 겹: index.html 의 panBounds() 가 확대 배율(scale)과 프레임 실측 크기(getBoundingClientRect)로
// 그때그때 남는 여백을 다시 계산해 드래그·자동 이동 범위를 그 값 안으로 clamp 한다.
@include stage($stage-ink);

.scene {
  position: relative;
  width: 320px;
  height: 180px;
  border-radius: $r-card;
  overflow: hidden;
  box-shadow: $shadow-raised;
  background: linear-gradient(160deg, #232a3a, $stage-ink 85%);
}

.grid {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.thumb {
  appearance: none;
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;

  &:focus-visible .thumbImg { outline: 2px solid $color; outline-offset: 2px; }
}

.thumbImg {
  display: block;
  width: 72px;
  height: 72px;
  border-radius: $r-sm;
  box-shadow: $shadow-press;
  background: linear-gradient(135deg, $subject-mint, $subject-sky);
}

.backdrop {
  position: absolute;
  inset: 0;
  background: $subject-ink;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.lightbox {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  visibility: hidden;
}

.frame {
  position: relative;
  width: 220px;
  height: 140px;
  border-radius: $r-card;
  overflow: hidden;
  touch-action: none;
  background: rgba(#000, .2);
}

.fullImg {
  position: absolute;
  inset: 0;
  display: block;
  background: linear-gradient(135deg, $subject-mint, $subject-sky 55%, $subject-lilac);
  transform-origin: center center;
}

.zoomBtn {
  position: absolute;
  bottom: $sp-2;
  appearance: none;
  border: none;
  width: 26px;
  height: 26px;
  border-radius: $r-pill;
  display: grid;
  place-items: center;
  background: rgba(#000, .4);
  color: $subject-cream;
  font-size: 14px;
  cursor: pointer;

  &--in { right: 46px; }
  &--out { right: $sp-2; }
  &:focus-visible { outline: 2px solid $color; outline-offset: 2px; }
}

.zoomNote {
  position: absolute;
  bottom: $sp-2;
  left: $sp-2;
  margin: 0;
  font-size: 10px;
  font-weight: 700;
  color: $subject-cream;
  background: rgba(#000, .4);
  padding: $sp-1 $sp-2;
  border-radius: $r-pill;
}

.closeBtn {
  position: absolute;
  top: $sp-2;
  right: $sp-2;
  appearance: none;
  border: none;
  border-radius: $r-pill;
  padding: $sp-1 $sp-3;
  font-size: 11px;
  font-weight: 600;
  color: $subject-ink;
  background: rgba($subject-cream, .92);
  cursor: pointer;

  &:focus-visible { outline: 2px solid $color; outline-offset: 2px; }
}

@media (max-width: 340px) {
  .scene { width: 220px; height: 124px; }
  .frame { width: 160px; height: 100px; }
  .zoomBtn { width: 22px; height: 22px; font-size: 12px; }
  .zoomBtn--in { right: 38px; }
}

@media (prefers-reduced-motion: reduce) {
  // 실사용 경로 적용 — 확대·이동 트윈은 index.html 의 animate()/panLoop() 가 reduce 시 즉시 최종 상태로 처리한다.
  .closeBtn, .zoomBtn, .thumb { transition: none; }
}

html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #17141a;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.scene {
  position: relative;
  width: 320px;
  height: 180px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
  background: linear-gradient(160deg, #232a3a, #17141a 85%);
}

.grid {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.thumb {
  appearance: none;
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
}
.thumb:focus-visible .thumbImg {
  outline: 2px solid #4cd4a6;
  outline-offset: 2px;
}

.thumbImg {
  display: block;
  width: 72px;
  height: 72px;
  border-radius: 8px;
  box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
  background: linear-gradient(135deg, #4cd4a6, #6ec8ff);
}

.backdrop {
  position: absolute;
  inset: 0;
  background: #17141a;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.lightbox {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  visibility: hidden;
}

.frame {
  position: relative;
  width: 220px;
  height: 140px;
  border-radius: 16px;
  overflow: hidden;
  touch-action: none;
  background: rgba(0, 0, 0, 0.2);
}

.fullImg {
  position: absolute;
  inset: 0;
  display: block;
  background: linear-gradient(135deg, #4cd4a6, #6ec8ff 55%, #b9a0ff);
  transform-origin: center center;
}

.zoomBtn {
  position: absolute;
  bottom: 8px;
  appearance: none;
  border: none;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.4);
  color: #fff7e6;
  font-size: 14px;
  cursor: pointer;
}
.zoomBtn--in {
  right: 46px;
}
.zoomBtn--out {
  right: 8px;
}
.zoomBtn:focus-visible {
  outline: 2px solid #4cd4a6;
  outline-offset: 2px;
}

.zoomNote {
  position: absolute;
  bottom: 8px;
  left: 8px;
  margin: 0;
  font-size: 10px;
  font-weight: 700;
  color: #fff7e6;
  background: rgba(0, 0, 0, 0.4);
  padding: 4px 8px;
  border-radius: 999px;
}

.closeBtn {
  position: absolute;
  top: 8px;
  right: 8px;
  appearance: none;
  border: none;
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 11px;
  font-weight: 600;
  color: #17141a;
  background: rgba(255, 247, 230, 0.92);
  cursor: pointer;
}
.closeBtn:focus-visible {
  outline: 2px solid #4cd4a6;
  outline-offset: 2px;
}

@media (max-width: 340px) {
  .scene {
    width: 220px;
    height: 124px;
  }
  .frame {
    width: 160px;
    height: 100px;
  }
  .zoomBtn {
    width: 22px;
    height: 22px;
    font-size: 12px;
  }
  .zoomBtn--in {
    right: 38px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .closeBtn, .zoomBtn, .thumb {
    transition: none;
  }
}

(function () {
  var ZOOM_SCALE = 2.2;
  var ZOOM_MS = 420;
  var PAN_MS = 900;
  var LOOP_MS = 2000;

  var scene = document.getElementById('scene');
  var backdrop = document.getElementById('backdrop');
  var lightbox = document.getElementById('lightbox');
  var frame = document.getElementById('frame');
  var fullImg = document.getElementById('fullImg');
  var zoomInBtn = document.getElementById('zoomInBtn');
  var zoomOutBtn = document.getElementById('zoomOutBtn');
  var zoomNote = document.getElementById('zoomNote');
  var closeBtn = document.getElementById('closeBtn');
  var thumb = document.getElementById('thumb0');
  var reduce = window.matchMedia('(prefers-reduced-motion: reduce)').matches;

  var open = false;
  var scale = 1;
  var offX = 0;
  var offY = 0;
  var dragging = false;
  var dragStartX = 0;
  var dragStartY = 0;
  var dragBaseX = 0;
  var dragBaseY = 0;
  var panRafId = null;
  var timers = [];

  function clamp(v, lo, hi) { return Math.min(hi, Math.max(lo, v)); }
  function easeOutCubic(t) { return 1 - Math.pow(1 - t, 3); }

  function animate(duration, onFrame, onDone) {
    if (reduce) { onFrame(1); if (onDone) onDone(); return; }
    var start = performance.now();
    function frame(now) {
      var p = clamp((now - start) / duration, 0, 1);
      onFrame(easeOutCubic(p));
      if (p < 1) requestAnimationFrame(frame);
      else if (onDone) onDone();
    }
    requestAnimationFrame(frame);
  }

  // Zoom in 배율만큼 남는 여백을 프레임 실측 크기로 매번 다시 계산한다 — Zoom in 정도가 바뀌면 이동 가능 범위도 바뀐다
  function panBounds(s) {
    var r = frame.getBoundingClientRect();
    return { x: (s - 1) * r.width / 2, y: (s - 1) * r.height / 2 };
  }

  function apply() {
    fullImg.style.transform = 'translate(' + offX.toFixed(2) + 'px,' + offY.toFixed(2) + 'px) scale(' + scale.toFixed(3) + ')';
    zoomNote.textContent = scale.toFixed(1) + '×';
  }

  function zoomTo(target, onDone) {
    var fromScale = scale;
    var fromX = offX, fromY = offY;
    animate(ZOOM_MS, function (e) {
      scale = fromScale + (target - fromScale) * e;
      var b = panBounds(scale);
      offX = clamp(fromX * (1 - e), -b.x, b.x);
      offY = clamp(fromY * (1 - e), -b.y, b.y);
      apply();
    }, onDone);
  }

  function panLoop(durationMs, onDone) {
    if (reduce) { if (onDone) onDone(); return; }
    var start = performance.now();
    function frame2(now) {
      var t = now - start;
      var b = panBounds(scale);
      offX = clamp(b.x * Math.sin(t / 300), -b.x, b.x);
      offY = clamp(b.y * 0.6 * Math.sin(t / 420 + 1), -b.y, b.y);
      apply();
      if (t < durationMs) panRafId = requestAnimationFrame(frame2);
      else if (onDone) onDone();
    }
    panRafId = requestAnimationFrame(frame2);
  }

  function openFrom() {
    if (open) return;
    open = true;
    scale = 1; offX = 0; offY = 0;
    apply();
    lightbox.style.visibility = 'visible';
    lightbox.setAttribute('aria-hidden', 'false');
    backdrop.style.visibility = 'visible';
    animate(240, function (e) { backdrop.style.opacity = (e * 0.78).toFixed(3); }, function () {
      zoomInBtn.focus({ preventScroll: true });
    });
  }

  function closeLightbox() {
    if (!open) return;
    if (panRafId) cancelAnimationFrame(panRafId);
    animate(220, function (e) { backdrop.style.opacity = (0.78 * (1 - e)).toFixed(3); }, function () {
      lightbox.style.visibility = 'hidden';
      lightbox.setAttribute('aria-hidden', 'true');
      backdrop.style.visibility = 'hidden';
      open = false;
      thumb.focus({ preventScroll: true });
    });
  }

  function human() {
    if (scene.classList.contains('is-demo')) {
      scene.classList.remove('is-demo');
      if (panRafId) cancelAnimationFrame(panRafId);
      timers.forEach(function (id) { clearTimeout(id); clearInterval(id); });
      timers = [];
    }
  }

  thumb.addEventListener('click', function () { human(); openFrom(); });
  closeBtn.addEventListener('click', function () { human(); closeLightbox(); });
  backdrop.addEventListener('click', function () { human(); closeLightbox(); });
  zoomInBtn.addEventListener('click', function () { human(); zoomTo(ZOOM_SCALE); });
  zoomOutBtn.addEventListener('click', function () { human(); zoomTo(1); });
  frame.addEventListener('dblclick', function () { human(); zoomTo(scale > 1.01 ? 1 : ZOOM_SCALE); });
  document.addEventListener('keydown', function (e) {
    if (open && e.key === 'Escape') { human(); closeLightbox(); }
  });

  frame.addEventListener('pointerdown', function (e) {
    if (scale <= 1.01) return;
    human();
    dragging = true;
    dragStartX = e.clientX;
    dragStartY = e.clientY;
    dragBaseX = offX;
    dragBaseY = offY;
    frame.setPointerCapture(e.pointerId);
  });
  frame.addEventListener('pointermove', function (e) {
    if (!dragging) return;
    var b = panBounds(scale);
    offX = clamp(dragBaseX + (e.clientX - dragStartX), -b.x, b.x);
    offY = clamp(dragBaseY + (e.clientY - dragStartY), -b.y, b.y);
    apply();
  });
  function endDrag() { dragging = false; }
  frame.addEventListener('pointerup', endDrag);
  frame.addEventListener('pointercancel', endDrag);

  function cycle() {
    openFrom();
    timers.push(setTimeout(function () {
      zoomTo(ZOOM_SCALE, function () {
        panLoop(PAN_MS, function () {
          zoomTo(1);
        });
      });
    }, 260));
    timers.push(setTimeout(closeLightbox, 1780));
  }

  if (!reduce) {
    cycle();
    timers.push(setInterval(function () {
      if (scene.classList.contains('is-demo')) cycle();
    }, LOOP_MS));
  }
})();

import { useEffect, useRef } from 'react';
import styles from './ZoomPanDrag.module.scss';

const ZOOM_SCALE = 2.2;
const ZOOM_MS = 420;
const PAN_MS = 900;
const LOOP_MS = 2000;

export default function ZoomPanDrag() {
  const sceneRef = useRef<HTMLDivElement>(null);

  useEffect(() => {
    const scene0 = sceneRef.current;
    if (!scene0) return undefined;
    const backdrop0 = scene0.querySelector<HTMLDivElement>('.' + styles.backdrop);
    const lightbox0 = scene0.querySelector<HTMLDivElement>('.' + styles.lightbox);
    const frame0 = scene0.querySelector<HTMLDivElement>('.' + styles.frame);
    const fullImg0 = scene0.querySelector<HTMLSpanElement>('.' + styles.fullImg);
    const zoomInBtn0 = scene0.querySelector<HTMLButtonElement>('.' + styles['zoomBtn--in']);
    const zoomOutBtn0 = scene0.querySelector<HTMLButtonElement>('.' + styles['zoomBtn--out']);
    const zoomNote0 = scene0.querySelector<HTMLParagraphElement>('.' + styles.zoomNote);
    const closeBtn0 = scene0.querySelector<HTMLButtonElement>('.' + styles.closeBtn);
    const thumb0 = scene0.querySelector<HTMLButtonElement>('.' + styles.thumb);
    if (!backdrop0 || !lightbox0 || !frame0 || !fullImg0 || !zoomInBtn0 || !zoomOutBtn0 || !zoomNote0 || !closeBtn0 || !thumb0) return undefined;
    const scene = scene0;
    const backdrop = backdrop0;
    const lightbox = lightbox0;
    const frame = frame0;
    const fullImg = fullImg0;
    const zoomInBtn = zoomInBtn0;
    const zoomOutBtn = zoomOutBtn0;
    const zoomNote = zoomNote0;
    const closeBtn = closeBtn0;
    const thumb = thumb0;

    const reduce = window.matchMedia('(prefers-reduced-motion: reduce)').matches;

    let open = false;
    let scale = 1;
    let offX = 0;
    let offY = 0;
    let dragging = false;
    let dragStartX = 0;
    let dragStartY = 0;
    let dragBaseX = 0;
    let dragBaseY = 0;
    let panRafId: number | null = null;
    let timers: number[] = [];

    function clamp(v: number, lo: number, hi: number) { return Math.min(hi, Math.max(lo, v)); }
    function easeOutCubic(t: number) { return 1 - Math.pow(1 - t, 3); }

    function animate(duration: number, onFrame: (e: number) => void, onDone?: () => void) {
      if (reduce) { onFrame(1); if (onDone) onDone(); return; }
      const start = performance.now();
      function frame2(now: number) {
        const p = clamp((now - start) / duration, 0, 1);
        onFrame(easeOutCubic(p));
        if (p < 1) requestAnimationFrame(frame2);
        else if (onDone) onDone();
      }
      requestAnimationFrame(frame2);
    }

    // 확대 배율만큼 남는 여백을 프레임 실측 크기로 매번 다시 계산한다 — 확대 정도가 바뀌면 이동 가능 범위도 바뀐다
    function panBounds(s: number) {
      const r = frame.getBoundingClientRect();
      return { x: (s - 1) * r.width / 2, y: (s - 1) * r.height / 2 };
    }

    function apply() {
      fullImg.style.transform = 'translate(' + offX.toFixed(2) + 'px,' + offY.toFixed(2) + 'px) scale(' + scale.toFixed(3) + ')';
      zoomNote.textContent = scale.toFixed(1) + '×';
    }

    function zoomTo(target: number, onDone?: () => void) {
      const fromScale = scale;
      const fromX = offX, fromY = offY;
      animate(ZOOM_MS, (e) => {
        scale = fromScale + (target - fromScale) * e;
        const b = panBounds(scale);
        offX = clamp(fromX * (1 - e), -b.x, b.x);
        offY = clamp(fromY * (1 - e), -b.y, b.y);
        apply();
      }, onDone);
    }

    function panLoop(durationMs: number, onDone?: () => void) {
      if (reduce) { if (onDone) onDone(); return; }
      const start = performance.now();
      function frame2(now: number) {
        const t = now - start;
        const b = panBounds(scale);
        offX = clamp(b.x * Math.sin(t / 300), -b.x, b.x);
        offY = clamp(b.y * 0.6 * Math.sin(t / 420 + 1), -b.y, b.y);
        apply();
        if (t < durationMs) panRafId = requestAnimationFrame(frame2);
        else if (onDone) onDone();
      }
      panRafId = requestAnimationFrame(frame2);
    }

    function openFrom() {
      if (open) return;
      open = true;
      scale = 1; offX = 0; offY = 0;
      apply();
      lightbox.style.visibility = 'visible';
      lightbox.setAttribute('aria-hidden', 'false');
      backdrop.style.visibility = 'visible';
      animate(240, (e) => { backdrop.style.opacity = (e * 0.78).toFixed(3); }, () => {
        zoomInBtn.focus({ preventScroll: true });
      });
    }

    function closeLightbox() {
      if (!open) return;
      if (panRafId) cancelAnimationFrame(panRafId);
      animate(220, (e) => { backdrop.style.opacity = (0.78 * (1 - e)).toFixed(3); }, () => {
        lightbox.style.visibility = 'hidden';
        lightbox.setAttribute('aria-hidden', 'true');
        backdrop.style.visibility = 'hidden';
        open = false;
        thumb.focus({ preventScroll: true });
      });
    }

    function human() {
      if (scene.classList.contains(styles['is-demo'])) {
        scene.classList.remove(styles['is-demo']);
        if (panRafId) cancelAnimationFrame(panRafId);
        timers.forEach((id) => { window.clearTimeout(id); window.clearInterval(id); });
        timers = [];
      }
    }

    function onThumbClick() { human(); openFrom(); }
    function onCloseClick() { human(); closeLightbox(); }
    function onBackdropClick() { human(); closeLightbox(); }
    function onZoomInClick() { human(); zoomTo(ZOOM_SCALE); }
    function onZoomOutClick() { human(); zoomTo(1); }
    function onFrameDblClick() { human(); zoomTo(scale > 1.01 ? 1 : ZOOM_SCALE); }
    function onKeydown(e: KeyboardEvent) {
      if (open && e.key === 'Escape') { human(); closeLightbox(); }
    }
    thumb.addEventListener('click', onThumbClick);
    closeBtn.addEventListener('click', onCloseClick);
    backdrop.addEventListener('click', onBackdropClick);
    zoomInBtn.addEventListener('click', onZoomInClick);
    zoomOutBtn.addEventListener('click', onZoomOutClick);
    frame.addEventListener('dblclick', onFrameDblClick);
    document.addEventListener('keydown', onKeydown);

    function onPointerDown(e: PointerEvent) {
      if (scale <= 1.01) return;
      human();
      dragging = true;
      dragStartX = e.clientX;
      dragStartY = e.clientY;
      dragBaseX = offX;
      dragBaseY = offY;
      frame.setPointerCapture(e.pointerId);
    }
    function onPointerMove(e: PointerEvent) {
      if (!dragging) return;
      const b = panBounds(scale);
      offX = clamp(dragBaseX + (e.clientX - dragStartX), -b.x, b.x);
      offY = clamp(dragBaseY + (e.clientY - dragStartY), -b.y, b.y);
      apply();
    }
    function endDrag() { dragging = false; }
    frame.addEventListener('pointerdown', onPointerDown);
    frame.addEventListener('pointermove', onPointerMove);
    frame.addEventListener('pointerup', endDrag);
    frame.addEventListener('pointercancel', endDrag);

    function cycle() {
      openFrom();
      timers.push(window.setTimeout(() => {
        zoomTo(ZOOM_SCALE, () => {
          panLoop(PAN_MS, () => {
            zoomTo(1);
          });
        });
      }, 260));
      timers.push(window.setTimeout(closeLightbox, 1780));
    }

    if (!reduce) {
      cycle();
      timers.push(window.setInterval(() => {
        if (scene.classList.contains(styles['is-demo'])) cycle();
      }, LOOP_MS));
    }

    return () => {
      timers.forEach((id) => { window.clearTimeout(id); window.clearInterval(id); });
      if (panRafId) cancelAnimationFrame(panRafId);
      thumb.removeEventListener('click', onThumbClick);
      closeBtn.removeEventListener('click', onCloseClick);
      backdrop.removeEventListener('click', onBackdropClick);
      zoomInBtn.removeEventListener('click', onZoomInClick);
      zoomOutBtn.removeEventListener('click', onZoomOutClick);
      frame.removeEventListener('dblclick', onFrameDblClick);
      document.removeEventListener('keydown', onKeydown);
      frame.removeEventListener('pointerdown', onPointerDown);
      frame.removeEventListener('pointermove', onPointerMove);
      frame.removeEventListener('pointerup', endDrag);
      frame.removeEventListener('pointercancel', endDrag);
    };
  }, []);

  return (
    <div className={`${styles.scene} ${styles['is-demo']}`} ref={sceneRef}>
      <ul className={styles.grid}>
        <li><button className={styles.thumb} type="button" aria-haspopup="dialog"><span className={styles.thumbImg} /></button></li>
      </ul>
      <div className={styles.backdrop} />
      <div className={styles.lightbox} role="dialog" aria-modal="true" aria-hidden="true" aria-label="사진 확대 이동">
        <div className={styles.frame}>
          <span className={styles.fullImg} />
        </div>
        <button className={`${styles.zoomBtn} ${styles['zoomBtn--in']}`} type="button" aria-label="확대">
          <svg xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" viewBox="0 0 256 256" aria-hidden="true">
            <g fill="currentColor">
              <path d="M192 112a80 80 0 1 1-80-80a80 80 0 0 1 80 80" opacity=".2" />
              <path d="m229.66 218.34l-50.06-50.06a88.21 88.21 0 1 0-11.32 11.31l50.06 50.07a8 8 0 0 0 11.32-11.32M40 112a72 72 0 1 1 72 72a72.08 72.08 0 0 1-72-72m112 0a8 8 0 0 1-8 8h-24v24a8 8 0 0 1-16 0v-24H80a8 8 0 0 1 0-16h24V80a8 8 0 0 1 16 0v24h24a8 8 0 0 1 8 8" />
            </g>
          </svg>
        </button>
        <button className={`${styles.zoomBtn} ${styles['zoomBtn--out']}`} type="button" aria-label="축소">
          <svg xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" viewBox="0 0 256 256" aria-hidden="true">
            <g fill="currentColor">
              <path d="M192 112a80 80 0 1 1-80-80a80 80 0 0 1 80 80" opacity=".2" />
              <path d="m229.66 218.34l-50.06-50.06a88.21 88.21 0 1 0-11.32 11.31l50.06 50.07a8 8 0 0 0 11.32-11.32M40 112a72 72 0 1 1 72 72a72.08 72.08 0 0 1-72-72m112 0a8 8 0 0 1-8 8H80a8 8 0 0 1 0-16h64a8 8 0 0 1 8 8" />
            </g>
          </svg>
        </button>
        <p className={styles.zoomNote}>1.0×</p>
        <button className={styles.closeBtn} type="button">닫기</button>
      </div>
    </div>
  );
}