/* ===== トースト通知 ===== */
#save-toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.75);
  color: #fff;
  padding: 10px 20px;
  border-radius: 20px;
  font-size: 14px;
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
  white-space: nowrap;
}
#save-toast.visible {
  opacity: 1;
}

/* ===== スプラッシュ画面（ノートブック風） ===== */
#splash {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background-color: #fffdf4;
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 31px,
    #ddd5c2 31px,
    #ddd5c2 32px
  );
  display: flex;
  flex-direction: column;
  align-items: stretch;
}
#splash.hidden { display: none; }

#splash-fp-top {
  display: block;
  flex-shrink: 0;
  width: 100%;
  height: 90px;
  object-fit: cover;
  object-position: center;
  mix-blend-mode: multiply;
  margin-top: 32px;
  transform: rotate(6deg);
}
#splash-fp-bottom {
  display: block;
  flex-shrink: 0;
  width: 100%;
  height: 90px;
  object-fit: cover;
  object-position: center;
  mix-blend-mode: multiply;
  margin-bottom: 32px;
  transform: rotate(-6deg);
}

#splash-inner {
  flex: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 32px;
}

#splash-title {
  font-size: 52px;
  font-weight: 700;
  color: #1a1a2e;
  letter-spacing: .12em;
  line-height: 1;
  text-shadow: 3px 3px 0 rgba(200,168,130,.6);
}

#splash-sub {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .22em;
  color: #1a1a2e;
  background: #ffd93d;
  padding: 5px 16px;
  border-radius: 20px;
  border: none;
  margin-bottom: 6px;
}

#splash-btn {
  background: #3d2b1f;
  color: #f5ead0;
  border: none;
  font-family: inherit;
  font-size: 17px;
  font-weight: 700;
  padding: 18px 40px;
  border-radius: 16px;
  cursor: pointer;
  letter-spacing: .04em;
  box-shadow: 0 5px 0 #c8a882;
  transition: transform .12s, box-shadow .12s;
}
#splash-btn:active {
  transform: translateY(4px);
  box-shadow: 0 1px 0 #c8a882;
}

#splash-hint {
  font-size: 13px;
  color: #a09080;
  line-height: 1.8;
  margin-top: 4px;
}

/* ===== リセット & ベース ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
  width: 100vw;
  height: 100dvh;
  overflow: hidden;
  background: #1a1008;
  font-family: 'Hiragino Mincho ProN', 'Yu Mincho', 'Hiragino Mincho Pro', 'Georgia', serif;
  color: #3d2b1f;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

/* ===== AR コンテナ ===== */
#ar-container {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  touch-action: none;
}

#ar-container canvas,
#ar-container video {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  object-fit: cover;
  display: block;
}

/* ===== UI オーバーレイ ===== */
#ui-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 10;
  display: flex;
  flex-direction: column;
}

#ui-overlay > * { pointer-events: auto; }

/* ===== ヘッダー ===== */
#header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 16px 14px;
  padding-top: max(16px, env(safe-area-inset-top));
  background: linear-gradient(to bottom, rgba(26,16,8,.78) 0%, transparent 100%);
}

#app-name {
  font-size: 18px;
  font-weight: 600;
  color: #f5ead0;
  letter-spacing: .06em;
  text-shadow: 0 1px 6px rgba(0,0,0,.6);
}

#header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}


#reset-btn {
  background: rgba(245,234,208,.88);
  border: none;
  color: #3d2b1f;
  font-size: 13px;
  font-family: inherit;
  padding: 6px 14px;
  border-radius: 20px;
  cursor: pointer;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: transform .15s, opacity .15s;
}
#reset-btn:active { transform: scale(.95); }

/* ===== スキャン案内 ===== */
#scan-guide {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
#scan-guide.hidden { display: none; }

#scan-guide-inner {
  text-align: center;
  color: #f5ead0;
  padding: 32px 40px;
  background: rgba(26,16,8,.58);
  border-radius: 20px;
  border: 1px solid rgba(245,234,208,.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  max-width: 280px;
}

#scan-icon {
  font-size: 52px;
  margin-bottom: 16px;
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.1); opacity: .75; }
}

#scan-guide-inner p      { font-size: 16px; margin-bottom: 8px; line-height: 1.5; }
#scan-guide-inner .hint  { font-size: 13px; opacity: .7; line-height: 1.7; }

/* ===== フッター ===== */
#footer {
  display: flex;
  gap: 10px;
  padding: 14px 16px;
  padding-bottom: max(16px, env(safe-area-inset-bottom));
  background: linear-gradient(to top, rgba(26,16,8,.72) 0%, transparent 100%);
  margin-top: auto;
}
#footer button {
  flex: 1;
  padding: 14px 8px;
  border: none;
  border-radius: 14px;
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: transform .15s, opacity .2s;
}
#footer button:active { transform: scale(.96); }

#home-btn {
  background: rgba(245,234,208,.18);
  color: #f5ead0;
  border: 1px solid rgba(245,234,208,.28);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
#add-memory-btn {
  background: #f5ead0;
  color: #3d2b1f;
  font-weight: 700;
  letter-spacing: .03em;
}

/* ===== ユーティリティ ===== */
.hidden { display: none !important; }

/* 配置モード中はフッターを非表示にして cancel ボタンと重ならないようにする */
body:has(#placement-overlay:not(.hidden)) #footer {
  display: none;
}

/* ===== チェキ詳細モーダル ===== */
#cheki-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

#modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(26,16,8,.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

#modal-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  animation: modalIn .32s cubic-bezier(.34,1.5,.64,1) both;
}
@keyframes modalIn {
  from { transform: scale(.72) translateY(18px); opacity: 0; }
  to   { transform: scale(1)   translateY(0);    opacity: 1; }
}

#modal-cheki {
  background: #fff;
  border-radius: 6px;
  box-shadow: 0 24px 64px rgba(0,0,0,.55), 0 4px 20px rgba(0,0,0,.3);
  overflow: hidden;
  width: 100%;
}

#modal-photo {
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  background: #e8e0d5;
}
#modal-photo canvas,
#modal-photo img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

#modal-info {
  padding: 14px 18px 18px;
}
#modal-comment {
  font-size: 15px;
  line-height: 1.65;
  color: #333;
  margin-bottom: 10px;
  white-space: pre-wrap;
}
#modal-author {
  font-size: 12px;
  color: #999;
  font-style: italic;
}
#modal-date {
  font-size: 11px;
  color: #bbb;
  text-align: right;
  margin-top: 2px;
}
#modal-like-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
}
#modal-like-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
}
#modal-like-count {
  font-size: 14px;
  color: #888;
}

#modal-actions {
  display: flex;
  gap: 8px;
  width: 100%;
}
#modal-actions button {
  flex: 1;
  padding: 13px 8px;
  border: none;
  border-radius: 12px;
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: transform .15s;
}
#modal-actions button:active { transform: scale(.96); }

#modal-back-btn   { background: #f5ead0; color: #3d2b1f; font-weight: 700; }
#modal-edit-btn   { background: #e8f2e8; color: #1e4d1e; }
#modal-delete-btn { background: #fde8e8; color: #8b0000; }

/* ===== 思い出フォームモーダル ===== */
#memory-form-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

#form-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(26,16,8,.6);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

#form-content {
  position: relative;
  z-index: 1;
  background: #faf6ee;
  border-radius: 22px 22px 0 0;
  padding: 28px 22px;
  padding-bottom: max(28px, env(safe-area-inset-bottom));
  width: 100%;
  max-width: 480px;
  animation: slideUp .36s cubic-bezier(.34,1.2,.64,1) both;
}
@keyframes slideUp {
  from { transform: translateY(110%); }
  to   { transform: translateY(0); }
}

#form-content h2 {
  font-size: 18px;
  color: #3d2b1f;
  text-align: center;
  margin-bottom: 20px;
  letter-spacing: .05em;
}

/* 写真選択エリア */
#form-photo-area { margin-bottom: 14px; }

#photo-label {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 1;
  max-height: 200px;
  border: 2px dashed #c9b89a;
  border-radius: 14px;
  background: #f5ead0;
  color: #8a7260;
  font-size: 16px;
  cursor: pointer;
  overflow: hidden;
  position: relative;
  transition: border-color .2s;
}
#photo-label:active { border-color: #8a7260; }

#photo-preview {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

input[type="file"] { display: none; }

#comment-input {
  width: 100%;
  height: 84px;
  padding: 12px 14px;
  border: 1.5px solid #c9b89a;
  border-radius: 12px;
  background: #fff;
  font-family: inherit;
  font-size: 15px;
  color: #3d2b1f;
  resize: none;
  outline: none;
  margin-bottom: 18px;
  line-height: 1.5;
  transition: border-color .2s;
}
#comment-input:focus { border-color: #8a7260; }

#form-actions {
  display: flex;
  gap: 10px;
}
#form-actions button {
  flex: 1;
  padding: 14px 8px;
  border: none;
  border-radius: 14px;
  font-family: inherit;
  font-size: 15px;
  cursor: pointer;
  transition: transform .15s;
}
#form-actions button:active { transform: scale(.96); }
#form-cancel-btn  { background: #e8e0d5; color: #8a7260; }
#form-submit-btn  { background: #3d2b1f; color: #f5ead0; font-weight: 700; }

/* ===== 編集フォームモーダル ===== */
#edit-form-modal {
  position: fixed;
  inset: 0;
  z-index: 210;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
#edit-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(26,16,8,.6);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}
#edit-content {
  position: relative;
  z-index: 1;
  background: #faf6ee;
  border-radius: 22px 22px 0 0;
  padding: 28px 22px;
  padding-bottom: max(28px, env(safe-area-inset-bottom));
  width: 100%;
  max-width: 480px;
  animation: slideUp .34s cubic-bezier(.34,1.2,.64,1) both;
}
#edit-content h2 {
  font-size: 18px;
  color: #3d2b1f;
  text-align: center;
  margin-bottom: 18px;
}
#edit-comment-input {
  width: 100%;
  height: 84px;
  padding: 12px 14px;
  border: 1.5px solid #c9b89a;
  border-radius: 12px;
  background: #fff;
  font-family: inherit;
  font-size: 15px;
  color: #3d2b1f;
  resize: none;
  outline: none;
  margin-bottom: 18px;
  line-height: 1.5;
}
#edit-comment-input:focus { border-color: #8a7260; }
#edit-actions { display: flex; gap: 10px; }
#edit-actions button {
  flex: 1;
  padding: 14px 8px;
  border: none;
  border-radius: 14px;
  font-family: inherit;
  font-size: 15px;
  cursor: pointer;
  transition: transform .15s;
}
#edit-actions button:active { transform: scale(.96); }
#edit-cancel-btn  { background: #e8e0d5; color: #8a7260; }
#edit-submit-btn  { background: #3d2b1f; color: #f5ead0; font-weight: 700; }

/* ===== 配置モードオーバーレイ ===== */
#placement-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: auto;
  cursor: pointer; /* iOS Safari の hit-test が透明要素を無視しないよう強制 */
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* ピン */
#placement-pin {
  position: absolute;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #f5ead0;
  border: 3px solid #3d2b1f;
  box-shadow: 0 2px 10px rgba(0,0,0,.5);
  transform: translate(-50%, -50%);
  pointer-events: none;
}
#placement-pin::after {
  content: '';
  position: absolute;
  inset: -7px;
  border-radius: 50%;
  border: 2px solid rgba(245,234,208,.7);
  animation: pinRing 1.6s ease-out infinite;
}
@keyframes pinRing {
  from { opacity: 1; transform: scale(0.7); }
  to   { opacity: 0; transform: scale(1.9); }
}

#placement-top-guide {
  padding: 24px 20px;
  padding-top: max(24px, env(safe-area-inset-top));
  background: linear-gradient(to bottom, rgba(26,16,8,.75) 0%, transparent 100%);
  text-align: center;
  pointer-events: none;
}
#placement-top-guide p {
  color: #f5ead0;
  font-size: 16px;
  letter-spacing: .04em;
  text-shadow: 0 1px 4px rgba(0,0,0,.5);
}


#placement-bottom {
  padding: 20px;
  padding-bottom: max(20px, env(safe-area-inset-bottom));
  background: linear-gradient(to top, rgba(26,16,8,.75) 0%, transparent 100%);
  display: flex;
  gap: 12px;
  justify-content: center;
}
#placement-cancel-btn {
  background: rgba(245,234,208,.22);
  border: 1px solid rgba(245,234,208,.42);
  color: #f5ead0;
  font-family: inherit;
  font-size: 14px;
  padding: 12px 28px;
  border-radius: 24px;
  cursor: pointer;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: background .2s;
}
#placement-cancel-btn:active { background: rgba(245,234,208,.35); }

#placement-confirm-btn {
  background: #f5ead0;
  border: none;
  color: #3d2b1f;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  padding: 12px 28px;
  border-radius: 24px;
  cursor: pointer;
  transition: transform .15s, opacity .15s;
}
#placement-confirm-btn:active { transform: scale(.96); opacity: .85; }