body {
  margin: 0;
  font-family: serif;
  color: #f5e7c8;
  background:
    linear-gradient(rgba(0, 0, 0, 0.78), rgba(0, 0, 0, 0.9)),
    url("../assets/images/tavern.png") center/cover fixed no-repeat;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

.work-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 24px;
}

.back-link {
  color: #c8a96a;
  text-decoration: none;
  font-size: 1rem;
}

.back-link:hover {
  color: #f5d08a;
}

/* ========================= */
/* 羊皮紙ページ */
/* ========================= */

.work-paper {
  position: relative;
  width: 100%;
  max-width: 1000px;
  min-height: 720px;
  margin: 48px auto;
  padding: 110px 90px 90px;
  color: #2b2b2b;
  background: url("../assets/images/parchment_transparent.png")
    center top / 100% 100% no-repeat;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.7);
  overflow: hidden;
  transform-style: preserve-3d;
  transition:
    transform 0.45s ease,
    filter 0.45s ease,
    opacity 0.25s ease;
}

.work-paper.turning {
  transform: rotateY(-8deg) translateX(12px);
  filter: brightness(0.92);
}

.work-paper-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

/* ========================= */
/* テキスト */
/* ========================= */

.work-type {
  display: inline-block;
  padding: 6px 14px;
  color: #f5e7c8;
  background: rgba(120, 35, 24, 0.78);
  border-radius: 999px;
  font-size: 0.95rem;
}

h1 {
  margin: 18px 0 14px;
  color: #2b2620;
  font-size: 3rem;
  line-height: 1.2;
}

h2 {
  margin: 34px 0 22px;
  color: #2b2620;
  font-size: 2.1rem;
}

p,
li {
  line-height: 1.9;
  color: #1a1410;
  font-size: 1.1rem;
}

.work-catch {
  margin: 0 0 20px;
  color: #3a2e22;
  font-style: italic;
}

.work-overview {
  margin: 28px auto;
  max-width: 680px;
  text-align: center;
}

.work-overview p {
  margin: 0.55em 0;
  line-height: 1.95;
  color: #1a1410;
  text-align: center;
}

/* ========================= */
/* 画像スライダー */
/* ========================= */

.image-slider {
  margin: 24px auto 0;
  max-width: 620px;
}

.image-slider-window {
  overflow: hidden;
  border-radius: 10px;
  background: rgba(20, 12, 8, 0.85);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.35);
}

.image-slider-track {
  display: flex;
  width: 100%;
  transition: transform 0.35s ease;
}

.image-slide {
  flex: 0 0 100%;
  width: 100%;
  min-width: 100%;

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

.image-slide img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 600px;
  object-fit: contain;
  cursor: zoom-in;
}

.image-slider-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  margin-top: 12px;
}

.image-slider-nav button {
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid rgba(90, 45, 18, 0.35);
  background: rgba(90, 45, 18, 0.12);
  color: #2b1b10;
  font-family: serif;
  cursor: pointer;
  transition:
    background 0.2s ease,
    transform 0.2s ease;
}

.image-slider-nav button:hover {
  background: rgba(90, 45, 18, 0.24);
  transform: translateY(-1px);
}

.image-slider-dots {
  display: flex;
  gap: 6px;
}

.image-slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: rgba(90, 45, 18, 0.25);
}

.image-slider-dot.active {
  background: rgba(90, 45, 18, 0.75);
}

/* ========================= */
/* 画像拡大表示 */
/* ========================= */

.image-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 32px;
  background: rgba(0, 0, 0, 0.82);
}

.image-modal.active {
  display: flex;
}

.image-modal img {
  max-width: 95vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 10px;
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.8);
}

.image-modal-close {
  position: fixed;
  top: 24px;
  right: 28px;
  color: #f5e7c8;
  background: rgba(40, 24, 14, 0.85);
  border: 1px solid #b8894c;
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
}

/* ========================= */
/* 旧画像表示互換 */
/* ========================= */

.main-image {
  width: 100%;
  max-width: 620px;
  margin: 24px auto 0;
  border-radius: 10px;
  display: block;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.35);
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.screenshot-grid img {
  width: 100%;
  border-radius: 10px;
  display: block;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
}

/* ========================= */
/* 動画 */
/* ========================= */

#video-area {
  margin-top: 20px;
}

#video-area iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: none;
  border-radius: 12px;
}

/* ========================= */
/* 詳細ページ */
/* ========================= */

#features,
#updates {
  display: inline-block;
  text-align: left;
  margin: 0 auto;
  padding-left: 1.4em;
}

.price-text {
  font-size: 1.6rem;
  font-weight: bold;
}

.store-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 20px;
}

.store-buttons a {
  display: inline-block;
  padding: 12px 22px;
  color: #3a2412;
  text-decoration: none;
  font-weight: bold;
  background: rgba(150, 90, 35, 0.18);
  border: 1px solid rgba(90, 45, 18, 0.35);
  border-radius: 999px;
  transition:
    background 0.2s ease,
    transform 0.2s ease;
}

.store-buttons a:hover {
  background: rgba(150, 90, 35, 0.32);
  transform: translateY(-2px);
}

/* ========================= */
/* 紙送りボタン */
/* ========================= */

.page-nav {
  position: relative;
  z-index: 4;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 42px;
}

.page-nav button {
  padding: 12px 28px;

  font-family: serif;
  font-size: 1rem;
  font-weight: bold;
  color: #f8e8c3;

  background: linear-gradient(
    to bottom,
    #6b4423 0%,
    #4d2f17 100%
  );

  border: 2px solid #b8894c;
  border-radius: 999px;

  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.15),
    0 5px 12px rgba(0, 0, 0, 0.35);

  cursor: pointer;

  transition:
    transform 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease;
}

.page-nav button:hover {
  background: linear-gradient(
    to bottom,
    #80542d 0%,
    #5e391c 100%
  );

  transform: translateY(-2px);

  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    0 8px 18px rgba(0, 0, 0, 0.45);
}

.page-nav button:active {
  transform: translateY(1px);

  box-shadow:
    inset 0 2px 5px rgba(0, 0, 0, 0.35);
}

.page-nav button:disabled {
  opacity: 0.35;
  cursor: default;
  transform: none;
}

/* ========================= */
/* 旧カード系は未使用化 */
/* ========================= */

.work-hero,
.work-section {
  display: none;
}

/* ========================= */
/* タブレット */
/* ========================= */

@media (max-width: 900px) {
  .work-paper {
    max-width: 860px;
    min-height: 0;
    padding: 100px 54px 72px;
  }

  .work-paper-inner {
    max-width: 600px;
  }

  h1 {
    font-size: 2.35rem;
  }

  h2 {
    font-size: 1.8rem;
  }

  p,
  li {
    font-size: 1rem;
  }
}

/* ========================= */
/* スマホ */
/* ========================= */

@media (max-width: 600px) {
  .work-page {
    padding: 64px 12px;
  }

  .back-link {
    font-size: 0.92rem;
  }

  .work-paper {
    margin: 28px auto;
    padding: 84px 18px 36px;
    min-height: 0;
  }

  .work-paper-inner {
    max-width: 270px;
  }

  .work-type {
    padding: 4px 10px;
    font-size: 0.78rem;
  }

  h1 {
    font-size: 1.45rem;
    line-height: 1.25;
    margin-bottom: 10px;
  }

  h2 {
    font-size: 1.35rem;
    margin: 24px 0 14px;
  }

  p,
  li {
    font-size: 0.78rem;
    line-height: 1.75;
  }

  .work-catch {
    margin-bottom: 14px;
  }

  .work-overview {
    margin: 18px auto;
    max-width: 250px;
  }

  .work-overview p {
    margin: 0.45em 0;
    line-height: 1.8;
  }

  .image-slider {
    margin-top: 16px;
  }

  .image-slider-window {
    border-radius: 8px;
  }

  .image-slider-nav {
    gap: 10px;
    margin-top: 10px;
  }

  .image-slider-nav button {
    padding: 6px 11px;
    font-size: 0.78rem;
  }

  .image-slider-dot {
    width: 7px;
    height: 7px;
  }

  .main-image {
    margin-top: 16px;
    border-radius: 8px;
  }

  .screenshot-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .store-buttons {
    gap: 10px;
  }

  .store-buttons a {
    padding: 9px 14px;
    font-size: 0.78rem;
  }

  .page-nav {
    margin-top: 26px;
    gap: 8px;
  }

  .page-nav button {
    padding: 8px 12px;
    font-size: 0.78rem;
  }
}