:root {
    --parchment: #c8a96e;
    --parchment-light: #e8d5a3;
    --parchment-dark: #8b6914;
    --ink: #1a0f00;
    --ink-fade: #3d2b0d;
    --sepia: #6b4c11;
    --gold: #d4a843;
    --gold-bright: #f0c85a;
    --ember: #c4622d;
    --mist: rgba(200, 169, 110, 0.12);
    --shadow-deep: rgba(10, 5, 0, 0.85);
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }

  html { scroll-behavior: smooth; }

  body {
    background-color: #060504;
    background-image: url("../images/material/brick1.svg");
    background-size: 600px 400px;
    background-repeat: repeat;
    color: var(--parchment-light);
    font-family: 'Noto Serif JP', serif;
    overflow-x: hidden;
    cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20'%3E%3Ccircle cx='10' cy='10' r='3' fill='%23d4a843' opacity='0.8'/%3E%3Ccircle cx='10' cy='10' r='6' fill='none' stroke='%23d4a843' stroke-width='1' opacity='0.4'/%3E%3C/svg%3E") 10 10, crosshair;
  }

  /* ===== NOISE TEXTURE OVERLAY ===== */
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("../images/material/brick2.svg");

    background-size: 400px 300px;
    background-repeat: repeat;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.55;
    mix-blend-mode: overlay;
  }

  /* ===== AUDIO BUTTON ===== */
  #audio-btn {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 1000;
    background: rgba(13,8,0,0.7);
    border: 1px solid rgba(212,168,67,0.3);
    color: var(--gold);
    font-size: 0.65rem;
    font-family: 'Cinzel', serif;
    letter-spacing: 0.15em;
    padding: 0.5rem 0.9rem;
    cursor: pointer;
    transition: all 0.4s;
    text-transform: uppercase;
  }
  #audio-btn:hover {
    border-color: var(--gold);
    background: rgba(212,168,67,0.08);
    box-shadow: 0 0 15px rgba(212,168,67,0.2);
  }

  /* ===== NAV ===== */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 500;
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    padding: 1.2rem;
    background: linear-gradient(to bottom, rgba(13,8,0,0.9) 0%, transparent 100%);
    font-family: 'Cinzel', serif;
    font-size: 0.62rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
  }
  nav a {
    color: rgba(220,190,120,0.85);
    text-decoration: none;
    transition: color 0.4s;
    position: relative;
  }
  nav a::after {
    content: '';
    position: absolute;
    bottom: -3px; left: 0; right: 0;
    height: 1px;
    background: var(--gold);
    transform: scaleX(0);
    transition: transform 0.4s;
  }
  nav a:hover { color: var(--gold); }
  nav a:hover::after { transform: scaleX(1); }

  /* ===== ENTRANCE SECTION ===== */
  #entrance {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 6rem 2rem 4rem;
  }

  /* Stone wall texture background */
  #entrance::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
      radial-gradient(ellipse 80% 60% at 50% 30%, rgba(139,105,20,0.08) 0%, transparent 70%),
      radial-gradient(ellipse 40% 40% at 20% 80%, rgba(196,98,45,0.05) 0%, transparent 60%),
      radial-gradient(ellipse 30% 50% at 80% 70%, rgba(139,105,20,0.06) 0%, transparent 60%);
    z-index: 0;
  }

  /* Candlelight glow */
  #entrance::after {
    content: '';
    position: absolute;
    bottom: 0; left: 50%;
    transform: translateX(-50%);
    width: 600px; height: 300px;
    background: radial-gradient(ellipse at 50% 100%, rgba(196,98,45,0.15) 0%, transparent 70%);
    z-index: 0;
    animation: flicker 4s ease-in-out infinite;
  }

  @keyframes flicker {
    0%, 100% { opacity: 0.8; transform: translateX(-50%) scale(1); }
    25% { opacity: 1; transform: translateX(-50%) scale(1.02); }
    50% { opacity: 0.7; transform: translateX(-50%) scale(0.98); }
    75% { opacity: 0.9; transform: translateX(-50%) scale(1.01); }
  }

  .entrance-emblem {
    position: relative;
    z-index: 1;
    text-align: center;
    margin-bottom: 2rem;
    animation: fadeInDown 2s ease forwards;
    opacity: 0;
  }

  @keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .entrance-logo-img {
    width: 150px; height: 150px;
    object-fit: contain;
    margin: 0 auto 1.5rem;
    display: block;
    filter: drop-shadow(0 0 18px rgba(212,168,67,0.35)) drop-shadow(0 0 40px rgba(196,98,45,0.2));
    animation: logoPulse 4s ease-in-out infinite;
  }

  @keyframes logoPulse {
    0%, 100% { filter: drop-shadow(0 0 18px rgba(212,168,67,0.35)) drop-shadow(0 0 40px rgba(196,98,45,0.2)); }
    50% { filter: drop-shadow(0 0 28px rgba(212,168,67,0.55)) drop-shadow(0 0 60px rgba(196,98,45,0.35)); }
  }

  @keyframes rotateSlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
  }

  .museum-title {
    font-family: 'Cinzel Decorative', serif;
    font-size: clamp(1.4rem, 4vw, 2.4rem);
    color: var(--gold);
    letter-spacing: 0.15em;
    text-shadow: 0 0 40px rgba(212,168,67,0.4), 0 0 80px rgba(212,168,67,0.1);
    line-height: 1.4;
    margin-bottom: 0.5rem;
  }

  .museum-subtitle {
    font-family: 'Noto Serif JP', serif;
    font-size: 0.75rem;
    color: rgba(200,169,110,0.5);
    letter-spacing: 0.3em;
    margin-bottom: 0.3rem;
  }

  .museum-tagline {
    font-size: 0.8rem;
    color: rgba(200,169,110,0.4);
    letter-spacing: 0.3em;
    font-style: italic;
  }

  .entrance-message {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 480px;
    animation: fadeIn 2.5s ease 0.8s forwards;
    opacity: 0;
    margin-bottom: 3rem;
  }

  @keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }

  .entrance-message p {
    font-size: 0.82rem;
    line-height: 2.2;
    color: rgba(225,195,130,0.90);
    text-shadow: 0 1px 5px rgba(0,0,0,0.8);
    letter-spacing: 0.08em;
  }

  .divider {
    width: 120px;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--gold), transparent);
    margin: 1.2rem auto;
    position: relative;
  }
  .divider::before {
    content: '✦';
    position: absolute;
    left: 50%; top: 50%;
    transform: translate(-50%, -50%);
    color: var(--gold);
    font-size: 0.6rem;
    background: #0d0800;
    padding: 0 0.4rem;
  }

  .scroll-hint {
    position: relative;
    z-index: 1;
    animation: fadeIn 3s ease 1.5s forwards;
    opacity: 0;
    text-align: center;
    font-family: 'Cinzel', serif;
    font-size: 0.55rem;
    cursor: pointer;
    letter-spacing: 0.3em;
    color: rgba(212,168,67,0.4);
    text-transform: uppercase;
  }

  .scroll-hint span {
    display: block;
    margin-top: 0.5rem;
    animation: bounce 2s ease-in-out infinite;
  }

  @keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
  }

  /* ===== WORLD MAP SECTION ===== */
  #chronicle {
    min-height: 100vh;
    padding: 5rem 2rem;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .section-header {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeIn 1s ease;
  }

  .section-label {
    font-family: 'Cinzel', serif;
    font-size: 0.55rem;
    letter-spacing: 0.5em;
    color: rgba(212,168,67,0.5);
    text-transform: uppercase;
    margin-bottom: 0.8rem;
  }

  .section-title {
    font-family: 'Cinzel Decorative', serif;
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--gold);
    letter-spacing: 0.1em;
    margin-bottom: 0.8rem;
  }

  .section-desc {
    font-size: 0.78rem;
    color: rgba(220,190,120,0.85);
    letter-spacing: 0.12em;
    line-height: 2;
    text-shadow: 0 1px 4px rgba(0,0,0,0.7);
  }

  /* MAP CONTAINER */
  .map-container {
    position: relative;
    width: 100%;
    max-width: 860px;
    margin: 0 auto;
  }

  .map-frame {
    position: relative;
    border: 1px solid rgba(212,168,67,0.2);
    padding: 3px;
    background: rgba(13,8,0,0.5);
  }

  .map-frame::before {
    content: '';
    position: absolute;
    inset: -1px;
    border: 1px solid rgba(212,168,67,0.08);
    pointer-events: none;
  }

  /* Corner ornaments */
  .map-frame .corner {
    position: absolute;
    width: 20px; height: 20px;
    border-color: rgba(212,168,67,0.5);
    border-style: solid;
    z-index: 10;
  }
  .map-frame .corner.tl { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
  .map-frame .corner.tr { top: -1px; right: -1px; border-width: 2px 2px 0 0; }
  .map-frame .corner.bl { bottom: -1px; left: -1px; border-width: 0 0 2px 2px; }
  .map-frame .corner.br { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }

  .map-svg-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 76%;
    overflow: hidden;
    background: #1a0e00;
  }

  .map-bg-img {
    position: absolute;
    inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    object-position: center;
  }

  /* Location pins */
  .map-pin {
    position: absolute;
    transform: translate(-50%, -50%);
    cursor: pointer;
    z-index: 10;
  }

  .pin-dot {
    width: 10px; height: 10px;
    background: var(--gold);
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(212,168,67,0.4);
    animation: pingPulse 2.5s ease-out infinite;
    transition: transform 0.3s;
  }

  .map-pin:hover .pin-dot {
    transform: scale(1.4);
    background: var(--gold-bright);
  }

  @keyframes pingPulse {
    0% { box-shadow: 0 0 0 0 rgba(212,168,67,0.6); }
    70% { box-shadow: 0 0 0 12px rgba(212,168,67,0); }
    100% { box-shadow: 0 0 0 0 rgba(212,168,67,0); }
  }

  .pin-label {
    position: absolute;
    left: 50%;
    bottom: calc(100% + 8px);
    transform: translateX(-50%);
    white-space: nowrap;
    font-family: 'Cinzel', serif;
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    color: var(--gold);
    background: rgba(13,8,0,0.85);
    border: 1px solid rgba(212,168,67,0.3);
    padding: 0.3rem 0.6rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    text-align: center;
  }

  .map-pin:hover .pin-label { opacity: 1; }

  /* Different pulse delays for staggered effect */
  .map-pin:nth-child(2) .pin-dot { animation-delay: 0.3s; }
  .map-pin:nth-child(3) .pin-dot { animation-delay: 0.7s; }
  .map-pin:nth-child(4) .pin-dot { animation-delay: 1.1s; }
  .map-pin:nth-child(5) .pin-dot { animation-delay: 1.5s; }
  .map-pin:nth-child(6) .pin-dot { animation-delay: 1.9s; }
  .map-pin:nth-child(7) .pin-dot { animation-delay: 0.5s; }

  /* Map compass */
  .map-compass {
    position: absolute;
    bottom: 1rem; right: 1rem;
    width: 50px; height: 50px;
    z-index: 10;
    opacity: 0.4;
  }

  /* Map legend */
  .map-legend {
    position: absolute;
    bottom: 1rem; left: 1rem;
    font-family: 'Cinzel', serif;
    font-size: 0.5rem;
    letter-spacing: 0.15em;
    color: rgba(212,168,67,0.4);
    text-transform: uppercase;
    z-index: 10;
  }

  /* ===== STORY MODAL ===== */
  #story-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    perspective: 1200px;
  }

  #story-modal.open { display: flex; }

  .modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0);
    backdrop-filter: blur(0px);
    cursor: pointer;
    transition: background 1.1s ease, backdrop-filter 1.1s ease;
  }

  #story-modal.open .modal-backdrop {
    background: rgba(0,0,0,0.88);
    backdrop-filter: blur(4px);
  }

  .modal-content {
    position: relative;
    z-index: 1;
    max-width: 640px;
    width: 100%;
    max-height: 88vh;
    overflow-y: auto;
    background: linear-gradient(145deg, #0f0900 0%, #1a1000 50%, #0f0900 100%);
    border: 1px solid rgba(212,168,67,0.25);
    padding: 3rem 2.5rem;
    opacity: 0;
    transform: scale(0.88);
    will-change: transform, opacity;
  }

  /* ===== 地図ピン→展示品室：扉が開く演出 ===== */
  .modal-content.door-mode {
    transform-origin: left center;
    transform-style: preserve-3d;
  }

  #story-modal.open .modal-content {
    animation: modalRise 1.2s cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
  }

  /* 扉演出モード（地図ピンから開く場合） */
  #story-modal.open .modal-content.door-mode {
    animation: doorSwingOpen 1.35s cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
  }

  #story-modal.closing .modal-content {
    animation: modalSink 0.55s cubic-bezier(0.55, 0, 0.9, 0.4) forwards;
  }

  /* 扉演出モードの閉じるアニメ */
  #story-modal.closing .modal-content.door-mode {
    animation: doorSwingClose 0.65s cubic-bezier(0.55, 0, 0.9, 0.4) forwards;
  }

  /* 扉が開くキーフレーム */
  @keyframes doorSwingOpen {
    0%   { opacity: 0;   transform: rotateY(-22deg) scale(0.9)   translateX(-50px); filter: brightness(0.3);  }
    18%  { opacity: .6;  transform: rotateY(-14deg) scale(0.93)  translateX(-30px); filter: brightness(0.55); }
    55%  { opacity: .9;  transform: rotateY(-4deg)  scale(0.98)  translateX(-8px);  filter: brightness(0.85); }
    78%  { opacity: 1;   transform: rotateY(1.5deg) scale(1.005) translateX(3px);   filter: brightness(1.05); }
    90%  { opacity: 1;   transform: rotateY(-.5deg) scale(0.998) translateX(-1px);  filter: brightness(1);   }
    100% { opacity: 1;   transform: rotateY(0deg)   scale(1)     translateX(0);     filter: brightness(1);   }
  }

  /* 扉が閉まるキーフレーム */
  @keyframes doorSwingClose {
    0%   { opacity: 1;   transform: rotateY(0deg)   scale(1)    translateX(0);     }
    40%  { opacity: .5;  transform: rotateY(-12deg) scale(0.94) translateX(-25px); }
    100% { opacity: 0;   transform: rotateY(-22deg) scale(0.88) translateX(-50px); }
  }

  #story-modal.closing .modal-backdrop {
    background: rgba(0,0,0,0);
    backdrop-filter: blur(0px);
  }

  @keyframes modalRise {
    0%   { opacity: 0;    transform: scale(0.82); filter: brightness(0.4); }
    30%  { opacity: 0.5;  transform: scale(0.91); filter: brightness(0.7); }
    70%  { opacity: 0.9;  transform: scale(0.99); filter: brightness(0.95); }
    88%  { opacity: 1;    transform: scale(1.012); filter: brightness(1.04); }
    100% { opacity: 1;    transform: scale(1);    filter: brightness(1); }
  }

  @keyframes modalSink {
    0%   { opacity: 1; transform: scale(1);    filter: brightness(1); }
    100% { opacity: 0; transform: scale(0.88); filter: brightness(0.4); }
  }

  @keyframes exhibitionModalRise {
    from {
      opacity: 0;
      transform: scale(0.88);
      filter: brightness(0.3);
    }
    to {
      opacity: 1;
      transform: scale(1);
      filter: brightness(1);
    }
  }

  .modal-content::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
      radial-gradient(ellipse 70% 50% at 50% 0%, rgba(212,168,67,0.04) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
  }

  .modal-content::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: var(--modal-bg-img, none);
    background-size: cover;
    background-position: center top;
    opacity: var(--modal-bg-opacity, 0);
    pointer-events: none;
    z-index: 0;
    transition: opacity 0.5s ease;
    -webkit-mask-image: linear-gradient(
      to bottom,
      rgba(0,0,0,1) 0%,
      rgba(0,0,0,1) 45%,
      rgba(0,0,0,0.6) 65%,
      rgba(0,0,0,0) 85%
    );
    mask-image: linear-gradient(
      to bottom,
      rgba(0,0,0,1) 0%,
      rgba(0,0,0,1) 45%,
      rgba(0,0,0,0.6) 65%,
      rgba(0,0,0,0) 85%
    );
  }

  /* modal 内テキストが背景より前面に */
  .modal-content > * {
    position: relative;
    z-index: 1;
  }

  .modal-close {
    position: absolute;
    top: 1rem; right: 1.2rem;
    background: none;
    border: none;
    color: rgba(134, 131, 123, 0.9);
    font-size: 1.2rem;
    cursor: pointer;
    transition: color 0.3s;
    font-family: serif;
  }
  .modal-close:hover { color: var(--gold); }

  .story-location-badge {
    font-family: 'Cinzel', serif;
    font-size: 0.55rem;
    letter-spacing: 0.4em;
    color: rgba(212,168,67,0.5);
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
  }
  .story-location-badge::before, .story-location-badge::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(212,168,67,0.3));
  }
  .story-location-badge::after {
    background: linear-gradient(to left, transparent, rgba(212,168,67,0.3));
  }

  .story-title {
    font-family: 'Cinzel Decorative', serif;
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    color: var(--gold);
    letter-spacing: 0.08em;
    margin-bottom: 1.5rem;
    line-height: 1.4;
  }

  .story-text {
    font-size: 0.83rem;
    line-height: 2.5;
    color: rgba(225,195,130,0.95);
    letter-spacing: 0.06em;
    margin-bottom: 2rem;
    text-shadow: 0 1px 6px rgba(0,0,0,0.9), 0 0 20px rgba(0,0,0,0.7);
  }

  .story-text p { margin-bottom: 1.2rem; }

  .story-artifact {
    border: 1px solid rgba(212,168,67,0.2);
    padding: 1.5rem;
    margin: 2rem 0;
    position: relative;
    text-align: center;
    background-image:url("../images/material/Gallerywall.jpg");
    background-size: cover;
    background-position: center;
  }

  .story-artifact::before {
    content: '— 展示品 —';
    position: absolute;
    top: -0.6rem; left: 50%;
    transform: translateX(-50%);
    font-family: 'Cinzel', serif;
    font-size: 0.5rem;
    letter-spacing: 0.3em;
    color: rgba(240,200,90,0.9);
    background: rgba(10,6,0,0.75);
    padding: 0 0.8rem;
    text-transform: uppercase;
    text-shadow: 0 1px 4px rgba(0,0,0,0.9);
    z-index: 2;
  }

  /* 上下のぼかし */
  .story-artifact::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
      linear-gradient(to bottom,
        rgba(13,8,0,0.72) 0%,
        rgba(13,8,0,0.0) 22%,
        rgba(13,8,0,0.0) 75%,
        rgba(13,8,0,0.82) 100%
      );
    pointer-events: none;
    z-index: 1;
  }

  /* テキストはぼかしより前面に */
  .story-artifact > * {
    position: relative;
    z-index: 2;
  }

  .artifact-icon {
    font-size: 3rem;
    display: block;
    margin: 0.5rem auto 1rem;
    filter: sepia(0) saturate(0.6) brightness(1.2) drop-shadow(0 2px 8px rgba(0,0,0,0.9));
    opacity: 0.55;
  }
  .artifact-icon img {
    filter: none;
    display: block;
    margin: 0 auto;
  }

  .artifact-name {
    font-family: 'Cinzel', serif;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--gold-bright);
    margin-bottom: 0.4rem;
    text-shadow: 0 1px 6px rgba(0,0,0,0.9), 0 0 20px rgba(0,0,0,0.8);
  }

  .artifact-desc {
    font-size: 0.72rem;
    color: rgba(220,190,130,0.9);
    letter-spacing: 0.08em;
    line-height: 1.8;
    text-shadow: 0 1px 5px rgba(0,0,0,0.95), 0 0 12px rgba(0,0,0,0.9);
  }

  /* Chronicle list inside modal artifact box */
  .chronicle-list {
    margin-top: 1.4rem;
    border-top: 1px solid rgba(212,168,67,0.15);
    padding-top: 1.2rem;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
  }

  .chronicle-item {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    cursor: pointer;
    padding: 0.5rem 0.4rem;
    margin: 0 -0.4rem;
    border-radius: 2px;
    transition: background 0.3s;
  }

  .chronicle-item:hover {
    background: rgba(212,168,67,0.05);
  }

  .chronicle-item:hover .chronicle-item-title {
    color: var(--gold);
  }

  .chronicle-arrow {
    color: rgba(212,168,67,0.25);
    font-size: 1rem;
    margin-top: 0.15rem;
    flex-shrink: 0;
    transition: all 0.3s;
    align-self: center;
  }

  .chronicle-item:hover .chronicle-arrow {
    color: var(--gold);
    transform: translateX(3px);
  }

  .chronicle-dot {
    color: var(--gold-bright);
    font-size: 0.5rem;
    margin-top: 0.3rem;
    flex-shrink: 0;
    opacity: 1;
    text-shadow: 0 0 6px rgba(0,0,0,0.9);
  }

  .chronicle-item-body { flex: 1; }

  .chronicle-item-title {
    font-family: 'Cinzel', serif;
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    color: rgba(230,195,120,0.95);
    margin-bottom: 0.2rem;
    text-shadow: 0 1px 5px rgba(0,0,0,0.95);
  }

  .chronicle-item-excerpt {
    font-size: 0.68rem;
    line-height: 1.75;
    color: rgba(210,180,110,0.85);
    letter-spacing: 0.05em;
    text-shadow: 0 1px 4px rgba(0,0,0,0.95);
  }

  .story-shop-link {
    display: block;
    text-align: center;
    padding: 0.9rem 2rem;
    border: 1px solid rgba(212,168,67,0.35);
    color: var(--gold);
    text-decoration: none;
    font-family: 'Cinzel', serif;
    font-size: 0.6rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    transition: all 0.4s;
    margin-top: 2rem;
    position: relative;
    overflow: hidden;
    background-image: url("../images/material/linkback.png");
    background-size: cover;
    font-family: 'Cinzel', "Sawarabi Mincho", "Hiragino Mincho ProN", serif;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7); /* 影を足すと文字が浮き出ます */
  }

  .story-shop-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(212,168,67,0.06);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s;
  }

  .story-shop-link:hover { border-color: var(--gold); }
  .story-shop-link:hover::before { transform: scaleX(1); }

  /* ===== ARTIFACTS SECTION ===== */
  #artifacts {
    padding: 5rem 2rem;
    text-align: center;
  }

  .artifacts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 900px;
    margin: 3rem auto 0;
  }

  .artifact-card {
    border: 1px solid rgba(212,168,67,0.15);
    padding: 2rem 1.5rem;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.5s;
    text-align: center;
    background: rgba(212,168,67,0.01);
  }

  .artifact-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(212,168,67,0.06) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s;
    pointer-events: none;
  }

  .artifact-card:hover {
    border-color: rgba(212,168,67,0.4);
    transform: translateY(-4px);
  }

  .artifact-card:hover::before { opacity: 1; }

  .card-icon { font-size: 2.5rem; margin-bottom: 1rem; display: block; }

  .card-title {
    font-family: 'Cinzel', serif;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--gold);
    margin-bottom: 0.6rem;
    text-transform: uppercase;
  }

  .card-text {
    font-size: 0.75rem;
    line-height: 1.9;
    color: rgba(220,190,120,0.88);
    letter-spacing: 0.06em;
    text-shadow: 0 1px 4px rgba(0,0,0,0.7);
  }

  .card-link {
    display: inline-block;
    margin-top: 1.2rem;
    font-family: 'Cinzel', serif;
    font-size: 0.55rem;
    letter-spacing: 0.3em;
    color: rgba(212,168,67,0.85);
    text-decoration: none;
    text-transform: uppercase;
    border-bottom: 1px solid rgba(212,168,67,0.4);
    padding-bottom: 2px;
    transition: color 0.3s, border-color 0.3s;
  }
  .card-link:hover { color: var(--gold); border-color: var(--gold); }

  /* ===== ATELIER SECTION ===== */
  #atelier {
    padding: 5rem 2rem;
    position: relative;
    overflow: hidden;
  }

  #atelier::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
      radial-gradient(ellipse 60% 60% at 50% 50%, rgba(196,98,45,0.04) 0%, transparent 70%);
  }

  .atelier-inner {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
  }

  .atelier-address {
    font-size: 0.75rem;
    line-height: 2.5;
    color: rgba(220,190,120,0.82);
    letter-spacing: 0.12em;
    margin: 2rem 0;
    text-shadow: 0 1px 4px rgba(0,0,0,0.6);
  }

  .atelier-hours {
    display: inline-flex;
    gap: 2rem;
    border: 1px solid rgba(212,168,67,0.25);
    padding: 1.2rem 2rem;
    font-size: 0.7rem;
    color: rgba(220,190,120,0.85);
    letter-spacing: 0.1em;
    margin-bottom: 2rem;
    text-shadow: 0 1px 4px rgba(0,0,0,0.6);
  }

  .hours-label {
    font-family: 'Cinzel', serif;
    font-size: 0.5rem;
    letter-spacing: 0.3em;
    color: rgba(212,168,67,0.4);
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.4rem;
  }

  /* ===== FOOTER ===== */
  footer {
    padding: 3rem 2rem;
    text-align: center;
    border-top: 1px solid rgba(212,168,67,0.08);
  }

  .footer-logo {
    font-family: 'Cinzel Decorative', serif;
    font-size: 0.9rem;
    color: rgba(212,168,67,0.35);
    letter-spacing: 0.2em;
    margin-bottom: 0.8rem;
  }

  .footer-copy {
    font-size: 0.6rem;
    color: rgba(200,169,110,0.2);
    letter-spacing: 0.2em;
  }

  /* ===== FLOATING PARTICLES ===== */
  .particles {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
  }

  .particle {
    position: absolute;
    width: 2px; height: 2px;
    background: var(--gold);
    border-radius: 50%;
    opacity: 0;
    animation: floatUp var(--dur, 8s) ease-in var(--delay, 0s) infinite;
  }

  @keyframes floatUp {
    0% { opacity: 0; transform: translateY(0) translateX(0); }
    10% { opacity: var(--max-op, 0.3); }
    90% { opacity: var(--max-op, 0.3); }
    100% { opacity: 0; transform: translateY(-100vh) translateX(var(--drift, 20px)); }
  }



  /* ===== STORY PAGE (全画面) ===== */
  #story-page {
    position: fixed;
    inset: 0;
    z-index: 3000;
    background-color: #0a0700; background-image: url("../images/material/brick3.svg");
    background-repeat: repeat; background-size: 600px 400px;
    background-color: rgba(10,7,0,0.95);
    backdrop-filter: blur(4px);
    display: block;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
  }

  #story-page.open {
    visibility: visible;
    animation: pageBgReveal 1.1s ease forwards;
  }

  @keyframes pageBgReveal {
    from { opacity: 0; }
    to   { opacity: 1; }
  }

  .story-page-inner {
    max-width: 680px;
    margin: 0 auto;
    padding: 5rem 2rem 6rem;
    will-change: transform, opacity, filter;
    animation: exhibitionRise 1.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }

  @keyframes exhibitionRise {
    from {
      opacity: 0;
      transform: scale(0.88);
      filter: brightness(0.3);
    }
    to {
      opacity: 1;
      transform: scale(1);
      filter: brightness(1);
    }
  }

  /* モーダルのコンテンツが奥へ沈む */
  @keyframes modalSinkBack {
    from {
      opacity: 1;
      transform: scale(1);
      filter: brightness(1);
    }
    to {
      opacity: 0;
      transform: scale(0.9);
      filter: brightness(0.3);
    }
  }

  #story-modal.sinking .modal-content {
    animation: modalSinkBack 0.7s cubic-bezier(0.2, 0, 0.2, 1) forwards;
    pointer-events: none;
  }

  /* sinking中はbackdropをそのまま維持（地図が透けて見えないよう）*/
  #story-modal.sinking .modal-backdrop {
    background: rgba(0,0,0,0.88);
    backdrop-filter: blur(4px);
    transition: none;
  }

  @keyframes navFadeIn {
    from { opacity: 0; transform: scale(1.06); filter: brightness(0.5); }
    to   { opacity: 1; transform: scale(1);    filter: brightness(1); }
  }

  .story-page-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Cinzel', serif;
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    color: rgba(212,168,67,0.8);
    text-transform: uppercase;
    cursor: pointer;
    border: none;
    background: none;
    margin-bottom: 3rem;
    transition: color 0.3s;
    padding: 0;
  }

  .story-page-back:hover { color: var(--gold); }

  .story-page-badge {
    font-family: 'Cinzel', serif;
    font-size: 0.55rem;
    letter-spacing: 0.4em;
    color: rgba(212,168,67,0.45);
    text-transform: uppercase;
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
  }

  .story-page-badge::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, rgba(212,168,67,0.2), transparent);
  }

  .story-page-title {
    font-family: 'Cinzel Decorative', serif;
    font-size: clamp(1.1rem, 3vw, 1.6rem);
    color: var(--gold);
    letter-spacing: 0.08em;
    line-height: 1.5;
    margin-bottom: 0.5rem;
  }

  .story-page-region {
    font-size: 0.7rem;
    color: rgba(200,169,110,0.3);
    letter-spacing: 0.2em;
    font-style: italic;
    margin-bottom: 2.5rem;
  }

  .story-page-divider {
    width: 80px;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--gold), transparent);
    margin: 2rem 0;
    position: relative;
  }

  .story-page-body {
    font-size: 0.85rem;
    line-height: 2.8;
    color: rgba(200,169,110,0.8);
    letter-spacing: 0.07em;
  }

  .story-page-body p { margin-bottom: 1.8rem; }

  .story-page-shop {
    display: block;
    text-align: center;
    padding: 0.9rem 2rem;
    border: 1px solid rgba(212,168,67,0.3);
    color: var(--gold);
    text-decoration: none;
    font-family: 'Cinzel', serif;
    font-size: 0.6rem;
    letter-spacing: 0.22em;
    margin-top: 3rem;
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
    background-image: url("../images/material/linkback.png");
    background-size: cover;
    font-family: 'Cinzel', "Sawarabi Mincho", "Hiragino Mincho ProN", serif;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7); /* 影を足すと文字が浮き出ます */
  
  }

  .story-page-shop::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(212,168,67,0.05);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s;
  }

  .story-page-shop:hover { border-color: var(--gold); }
  .story-page-shop:hover::before { transform: scaleX(1); }

  /* ===== 展示室ナビゲーション（前へ／次へ） ===== */
  .story-page-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2.5rem;
    gap: 1rem;
  }

  .story-page-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Cinzel', serif;
    font-size: 0.65rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: rgba(212,168,67,0.8);
    background: url("../images/material/linkback.png") no-repeat center/cover;
    border: 1px solid rgba(212,168,67,0.3);
    padding: 0.6rem 1.2rem;
    cursor: pointer;
    transition: all 0.35s;
    position: relative;
    overflow: hidden;
  }

  .story-page-nav-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(212,168,67,0.05);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s;
  }

  .story-page-nav-btn:hover:not(:disabled) {
    color: var(--gold);
    border-color: rgba(212,168,67,0.5);
  }

  .story-page-nav-btn:hover:not(:disabled)::before { transform: scaleX(1); }

  .story-page-nav-btn:disabled {
    opacity: 0.18;
    cursor: default;
  }

  .story-page-nav-counter {
    font-family: 'Cinzel', serif;
    font-size: 0.52rem;
    letter-spacing: 0.3em;
    color: rgba(212,168,67,0.3);
    white-space: nowrap;
  }

  /* stone-wall bg for story page */
  #story-page::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
      radial-gradient(ellipse 70% 60% at 50% 20%, rgba(139,105,20,0.05) 0%, transparent 70%);
    pointer-events: none;
  }


  /* Story read-more toggle */
  .story-read-more {
    display: block;
    text-align: center;
    font-family: 'Cinzel', serif;
    font-size: 0.65rem;
    letter-spacing: 0.25em;
    color: rgba(212,168,67,0.6);
    cursor: pointer;
    margin: 1.2rem 0;
    padding: 0.5rem 0;
    border-top: 1px solid rgba(212,168,67,0.12);
    border-bottom: 1px solid rgba(212,168,67,0.12);
    transition: color 0.3s;
  }
  .story-read-more:hover {
    color: var(--gold);
  }
  .story-more-content {
    animation: fadeIn 0.5s ease;
  }

  /* ===== ENTER MAP OVERLAY ===== */
  #map-overlay {
    position: fixed;
    inset: 0;
    background: #000;
    opacity: 0;
    pointer-events: none;
    z-index: 8000;
    transition: opacity 0.8s ease;
  }

  #map-overlay.fade-in {
    opacity: 1;
    pointer-events: all;
  }

  #map-overlay-text {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-family: 'Cinzel', serif;
    font-size: clamp(0.7rem, 2vw, 1rem);
    letter-spacing: 0.4em;
    color: rgba(212,168,67,0);
    text-align: center;
    transition: color 0.6s ease 0.4s;
    white-space: nowrap;
  }

  #map-overlay.fade-in #map-overlay-text {
    color: rgba(212,168,67,0.7);
  }
  /* ===== SCROLLBAR ===== */
  ::-webkit-scrollbar { width: 4px; }
  ::-webkit-scrollbar-track { background: #0d0800; }
  ::-webkit-scrollbar-thumb { background: rgba(212,168,67,0.2); }
  ::-webkit-scrollbar-thumb:hover { background: rgba(212,168,67,0.4); }

  /* ===== RESPONSIVE ===== */
  @media (max-width: 600px) {
    nav { gap: 1.2rem; font-size: 0.5rem; }
    #audio-btn { top: 2.6rem; }
    .artifacts-grid { grid-template-columns: 1fr; max-width: 360px; }
    .atelier-hours { flex-direction: column; gap: 1rem; }
    .modal-content { padding: 2rem 1.5rem; }
  }

  /* タブレット：2列 */
  @media (min-width: 601px) and (max-width: 768px) {
    .artifacts-grid { grid-template-columns: repeat(2, 1fr); max-width: 600px; }
  }
  /* ===== 遷移用ブラックオーバーレイ（地図が見える瞬間を隠す） ===== */
  #transition-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,1);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
  }
  #transition-overlay.active {
    opacity: 1;
    pointer-events: all;
  }


/* ===== 展示室 作品テキスト ===== */
.story-page-exhibit-img {
  margin: 1.5rem 0 1.2rem;
}

.story-page-exhibit-text {
  max-width: 520px;
  margin: 0 auto 1.5rem;
  padding: 1.4rem 1.6rem;
  border-top: 1px solid rgba(212,168,67,0.2);
  border-bottom: 1px solid rgba(212,168,67,0.2);
  text-align: left;
  color: var(--parchment-light);
  font-family: 'Noto Serif JP', serif;
  font-size: 0.88rem;
  font-weight: 300;
  line-height: 2.2;
  letter-spacing: 0.06em;
  background: rgba(20, 15, 10, 0.4); /* 闇の雰囲気に合わせた深い茶色の半透明 */
}

.story-page-exhibit-text p {
  margin-bottom: 1em;
}

.story-page-exhibit-text p:last-child {
  margin-bottom: 0;
}