:root {
    --primary-color: #007BFF;
    --primary-hover-color: #0056b3;
    --success-color: #28a745;
    --success-hover-color: #218838;
    --danger-color: #dc3545;
    --danger-hover-color: #c82333;
    --warning-color: #ffc107;
    --warning-hover-color: #e0a800;
    --text-primary: #1d1d1f;
    --text-secondary: #6e6e73;
    --white-color: #ffffff;
    --body-bg: #f5f5f7;
    --component-bg: #ffffff;
    --border-color: #d1d1d6;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --stamp-rally-color: #42A5F5;
    --stamp-rally-hover-color: #1E88E5;
    --gold-color: #FFD700;
    --dark-purple-bg: #4A148C;
    --light-purple-bg: #6A1B9A;
}

body, html {
    margin: 0; padding: 0; height: 100%;
    display: flex; flex-direction: column;
    font-family: 'Noto Sans JP', sans-serif;
    background-color: var(--body-bg); color: var(--text-primary);
    overscroll-behavior: none; -webkit-font-smoothing: antialiased;
    box-sizing: border-box;
}

body {
    padding-bottom: calc(24px + env(safe-area-inset-bottom));
}

h1 {
    height: 56px;
    flex-shrink: 0;
    padding: 0 16px;
    padding-top: env(safe-area-inset-top);
    box-sizing: content-box;
    margin: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover-color) 100%);
    color: #ffffff;
    font-size: 1.2em;
    display: flex;
    align-items: center;
    box-shadow: var(--shadow-md);
    z-index: 100;
    gap: 16px;
}

h1 img {
    height: 85%;
}

.title-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 0;
    margin-right: auto;
    line-height: 1.2;
    min-width: 0; /* ← この行を追加 */
}

.main-title {
    font-size: 1em;
    font-weight: 700;
    white-space: nowrap;      /* 以下4行を追加 */
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}
.subtitle {
    font-size: 0.6em;
    font-weight: 400;
    color: #f0f0f0;
    display: flex;
    align-items: center;
    gap: 0.6em;
    white-space: nowrap;      /* 以下4行を追加 */
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.manual-link-header {
    color: #e0e0e0;
    text-decoration: underline;
    font-size: 0.7em;
    font-weight: normal;
    margin-left: 8px;
    transition: color 0.2s;
}
.manual-link-header:hover {
    color: white;
}

.header-help-btn {
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
}

.header-button-group {
    display: flex;
    align-items: center;
    gap: 4px; /* ボタン間の間隔を4pxに設定（元の16pxより狭く） */
}

.header-help-btn:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

.header-help-btn svg {
    width: 28px;
    height: 28px;
}

#top-left-info-cluster {
    position: fixed;
    left: 16px;
    z-index: 1000;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    transition: top 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

body[data-app-state="tour"] #top-left-info-cluster,
body[data-app-state="paused"] #top-left-info-cluster {
    display: flex;
    top: calc(56px + env(safe-area-inset-top) + 2px);
}

body.stats-panel-shown[data-app-state="tour"] #top-left-info-cluster,
body.stats-panel-shown[data-app-state="paused"] #top-left-info-cluster {
    top: calc(56px + env(safe-area-inset-top) + 99px);
}

.header-hidden[data-app-state="tour"] #top-left-info-cluster,
.header-hidden[data-app-state="paused"] #top-left-info-cluster {
    top: calc(env(safe-area-inset-top) + 16px);
}

.stats-panel-shown.header-hidden[data-app-state="tour"] #top-left-info-cluster,
.stats-panel-shown.header-hidden[data-app-state="paused"] #top-left-info-cluster {
    top: calc(env(safe-area-inset-top) + 95px);
}

body.stats-panel-shown:not(.header-hidden)[data-app-state="tour"] #top-left-info-cluster,
body.stats-panel-shown:not(.header-hidden)[data-app-state="paused"] #top-left-info-cluster {
    top: 155px;
}

/* 新しいコンテナのスタイル */
#map-controls-container {
  position: fixed;
  top: calc(48px + env(safe-area-inset-top));
  left: 50%;
  transform: translateX(-50%);
  z-index: 1001; /* 他のUI要素の上に表示 */
  pointer-events: none; /* クリックイベントを透過させる */
  padding: 10px 0;
  box-sizing: border-box;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: top 0.3s ease-in-out;
}

/* 変更後のインジケータのスタイル */
#gps-status-indicator {
    font-size: 0.75em;
    font-weight: 400;
    padding: 4px 10px;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    transition: background-color 0.3s, color 0.3s;
    white-space: nowrap;
    pointer-events: auto; /* コンテナが透過なので、インジケータはクリック可能にする */
}

/* ヘッダー非表示時の調整 */
body.header-hidden #map-controls-container {
    top: calc(env(safe-area-inset-top));
}

body.stats-panel-shown #map-controls-container {
    /* パネルの高さ分だけ下げる */
    top: calc(56px + env(safe-area-inset-top) + var(--stats-panel-height, 92px));
}

body.stats-panel-shown.header-hidden #map-controls-container {
    top: calc(env(safe-area-inset-top) + 85px);
}

#gps-status-indicator.idle { background-color: rgba(0, 0, 0, 0.5); color: #f0f0f0; }
#gps-status-indicator.idle::before { background-color: #f0f0f0; }
#gps-status-indicator.searching { background-color: #ffc107; color: #333; }
#gps-status-indicator.searching::before { background-color: #333; animation: pulse 1.5s infinite; }
#gps-status-indicator.good { background-color: #28a745; color: white; }
#gps-status-indicator.good::before { background-color: white; }
#gps-status-indicator.poor { background-color: #ffc107; color: #333; }
#gps-status-indicator.poor::before { background-color: #333; }
#gps-status-indicator.error { background-color: #dc3545; color: white; }
#gps-status-indicator.error::before { background-color: white; }
@keyframes pulse { 0% { opacity: 1; } 50% { opacity: 0.3; } 100% { opacity: 1; } }

#wrap_map {
    position: relative;
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    background-color: #f0f0f0;
}
#map { width: 100%; height: 100%; flex-grow: 1; }

footer {
    display: none !important;
}

#button-container {
    display: none;
    justify-content: center;
    padding: 16px; background-color: #ffffff;
    border-top: 1px solid var(--border-color);
    z-index: 20;
    transition: gap 0.3s, padding 0.3s;
}

#button-container[data-state="finished"] {
    flex-wrap: nowrap;
    gap: 4px;
    padding: 12px;
    justify-content: space-evenly;
}

#button-container > .button-wrapper,
#button-container > .speed-controls {
    display: none;
}
#button-container[data-state~="finished"] > .button-wrapper[data-state~="finished"],
#button-container[data-state~="finished"] > .speed-controls[data-state~="finished"] {
    display: flex;
}

.button-wrapper {
    flex: 1 1 0;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.button-wrapper button {
    width: 52px; height: 52px; border-radius: 16px;
    border: 1px solid var(--border-color);
    background-color: var(--component-bg); cursor: pointer; display: flex;
    justify-content: center; align-items: center; padding: 0;
    transition: all 0.2s ease;
}
.button-wrapper button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}
.button-wrapper button:active {
    transform: translateY(-2px) scale(0.95);
}
.button-wrapper button svg {
    width: 28px; height: 28px;
    color: var(--primary-color);
}
.button-wrapper .button-label {
    font-size: 11px; margin-top: 6px;
    color: var(--text-secondary);
    white-space: normal;
    text-align: center;
}

.speed-controls {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 4px;
    border-radius: 12px;
    background-color: var(--body-bg);
    border: 1px solid var(--border-color);
}
.speed-controls button {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 8px;
    background-color: transparent;
    font-weight: bold;
    color: var(--text-secondary);
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}
.speed-controls button.active {
    background-color: var(--primary-color);
    color: white;
}

#stats-panel {
    position: fixed;
    top: calc(56px + env(safe-area-inset-top));
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-around;
    padding: 12px;
    background-color: var(--component-bg);
    border-bottom: 1px solid var(--border-color);
    z-index: 99;
    transform: translateY(-100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-sizing: border-box;
    flex-wrap: wrap;
    gap: 10px;
    overflow: visible;
}
#stats-panel.stats-visible {
    transform: translateY(0);
}
body.header-hidden #stats-panel {
    top: 0;
}

body[data-app-state="finished"] #stats-panel {
    position: static;
    transform: none;
    top: auto;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 10px;
    text-align: left;
}
.stat-icon {
    color: var(--primary-color);
}
.stat-icon svg {
    width: 28px;
    height: 28px;
    opacity: 0.8;
}
.stat-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.stat-label {
    font-size: 11px;
    color: var(--text-secondary);
    white-space: nowrap;
}
.stat-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}


.hidden { display: none !important; }

#fab-container, #fab-container-animation-stop {
    position: fixed; right: 16px;
    bottom: calc(40px + env(safe-area-inset-bottom));
    z-index: 1010;
    display: flex; flex-direction: column-reverse; align-items: flex-end; gap: 12px;
    transition: bottom 0.3s ease-in-out, top 0.3s ease-in-out, opacity 0.3s, visibility 0.3s;
}
#fab-container-left {
    position: fixed; left: 16px;
    bottom: calc(40px + env(safe-area-inset-bottom));
    z-index: 1010;
    display: flex; flex-direction: column-reverse; align-items: flex-start; gap: 12px;
    transition: bottom 0.3s ease-in-out, opacity 0.3s, visibility 0.3s;
}
#fab-container-top-right {
    position: fixed;
    right: 10px;
    z-index: 1010;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
    top: calc(56px + env(safe-area-inset-top) + 14px);
    transition: top 0.3s ease-in-out, visibility 0.3s;
}

.fab {
    width: 56px; height: 56px; border-radius: 50%; border: none;
    color: var(--white-color); cursor: pointer; display: flex;
    align-items: center; justify-content: center; box-shadow: var(--shadow-md);
    transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease, opacity 0.3s, width 0.3s, height 0.3s;
}
.fab:hover { transform: scale(1.05); }
.fab:active {
    transform: scale(0.95);
}
.fab:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--text-secondary);
}
.fab svg {
    width: 24px;
    height: 24px;
    transition: width 0.3s, height 0.3s;
}

/* アイコンとテキスト付きFABの共通ラベルスタイル */
.fab-label {
    font-size: 10px;
    font-weight: bold;
    color: var(--white-color);
    line-height: 1;
    text-align: center;
    white-space: nowrap; /* テキストの折り返しを禁止 */
}

/* 対象のFABを縦並びレイアウトに変更 */
#fab-start,
#fab-pause,
#fab-resume,
#fab-stop,
#fab-reset,
#fab-lock-screen {
    width: 64px;
    height: 64px;
    flex-direction: column;
    justify-content: center;
    padding: 8px 4px;
    gap: 3px;
    box-sizing: border-box;
}

/* 対象のFAB内のアイコンサイズを調整 */
#fab-start svg,
#fab-pause svg,
#fab-resume svg,
#fab-stop svg,
#fab-reset svg,
#fab-lock-screen svg {
    width: 28px;
    height: 28px;
}

/* ロックボタンのラベルのみ文字をさらに小さく調整 */
#fab-lock-screen .fab-label {
    font-size: 9px;
}

#fab-start { background-color: var(--success-color); }
#fab-start:hover:not(:disabled) { background-color: var(--success-hover-color); }
#fab-pause { background-color: var(--warning-color); }
#fab-pause:hover { background-color: var(--warning-hover-color); }
#fab-resume { background-color: var(--success-color); }
#fab-resume:hover { background-color: var(--success-hover-color); }
#fab-stop, #fab-stop-animation { background-color: var(--danger-color); }
#fab-stop:hover, #fab-stop-animation:hover { background-color: var(--danger-hover-color); }
#fab-reset { background-color: var(--primary-color); }
#fab-reset:hover { background-color: var(--primary-hover-color); }
#fab-reset svg { stroke: var(--white-color); }
#fab-lock-screen { background-color: #343a40; }
#fab-lock-screen:hover { background-color: #23272b; }
#fab-lock-screen svg { stroke: var(--white-color); }


.fab.secondary {
    width: 48px; height: 48px; background-color: var(--component-bg);
    color: var(--text-primary); border: 1px solid var(--border-color);
}
.fab.secondary:hover { border-color: var(--primary-color); color: var(--primary-color); }
.fab.secondary.active {
    background-color: var(--primary-color);
    color: var(--white-color);
    border-color: var(--primary-color);
}
.fab.secondary svg { width: 22px; height: 22px; stroke: currentColor; fill: currentColor; }
#navi-mode-btn svg, #pitch-toggle-btn svg, #recenter-map-btn svg, #orientation-btn svg, #fab-help svg, #fab-center-guide svg, #fab-opacity-toggle svg, #fab-settings svg { fill: none; }


#fab-stamp-rally {
    width: 64px;
    height: 64px;
    background-color: var(--stamp-rally-color);
    color: var(--white-color);
    border: 2px solid var(--white-color);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 8px;
    box-sizing: border-box;
    height: auto;
}

#fab-stamp-rally:hover {
    background-color: var(--stamp-rally-hover-color);
    border-color: var(--white-color);
    color: var(--white-color);
    transform: scale(1.05);
}

#fab-stamp-rally svg {
    width: 28px;
    height: 28px;
    stroke: var(--white-color);
    fill: none;
}

#stamp-rally-count-display {
    font-size: 16px;
    font-weight: bold;
    color: var(--white-color);
    margin-top: 2px;
    line-height: 1;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.4);
}


#fab-container-plotting, #fab-container-delete-guide, #fab-container-spot-creation {
    position: fixed;
    bottom: calc(40px + env(safe-area-inset-bottom));
    left: 50%;
    transform: translateX(-50%);
    z-index: 1011;
    display: flex;
    gap: 16px;
    background-color: rgba(255, 255, 255, 0.8);
    padding: 12px 16px;
    border-radius: 34px;
    box-shadow: var(--shadow-md);
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
    transition: opacity 0.3s, bottom 0.3s;
}

#fab-container-plotting .fab, #fab-container-delete-guide .fab, #fab-container-spot-creation .fab {
    width: 52px;
    height: 52px;
}
#fab-plotting-save { background-color: var(--success-color); }
#fab-plotting-save:hover { background-color: var(--success-hover-color); }
#fab-plotting-undo { background-color: var(--warning-color); }
#fab-plotting-undo:hover { background-color: var(--warning-hover-color); }
#fab-plotting-cancel { background-color: var(--danger-color); }
#fab-plotting-cancel:hover { background-color: var(--danger-hover-color); }

#fab-delete-guide-confirm { background-color: var(--primary-color); }
#fab-delete-guide-confirm:hover { background-color: var(--primary-hover-color); }
#fab-delete-guide-cancel { background-color: var(--danger-color); }
#fab-delete-guide-cancel:hover { background-color: var(--danger-hover-color); }

#fab-spot-creation-exit {
    background-color: var(--danger-color);
}
#fab-spot-creation-exit:hover {
    background-color: var(--danger-hover-color);
}

#countdown-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    display: flex; justify-content: center; align-items: center;
    opacity: 0; visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}
#countdown-overlay.visible { opacity: 1; visibility: visible; }
#countdown-number {
    font-size: 25vw;
    font-weight: 700;
    color: white;
    text-shadow: 0 0 20px rgba(0,0,0,0.5);
    transform: scale(1.5);
    opacity: 0;
}
#countdown-overlay.visible #countdown-number {
    animation: countdown-tick 1s forwards;
}
@keyframes countdown-tick {
    0% { transform: scale(1.5); opacity: 0; }
    20% { transform: scale(1); opacity: 1; }
    80% { transform: scale(1); opacity: 1; }
    100% { transform: scale(0.8); opacity: 0; }
}

#image-message-container {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.6); z-index: 2001;
    display: flex; justify-content: center; align-items: center;
    padding: 15px;
    box-sizing: border-box;
    opacity: 0; visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}
#image-message-container.visible { opacity: 1; visibility: visible; }

.message-content-wrapper {
    position: relative;
    background-color: var(--component-bg);
    color: var(--text-primary);
    padding: 0;
    border-radius: 16px;
    width: 100%;
    max-width: 450px;
    height: 85vh;
    max-height: 650px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    text-align: center;
    border: none;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transform: translateY(20px) scale(0.95);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), opacity 0.3s ease-out;
}

#image-message-container.visible .message-content-wrapper {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.message-scrollable-content {
    padding: 50px 24px 24px 24px;
    overflow-y: auto;
    flex-grow: 1;
}

#image-message-container .close-message-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
    background-color: rgba(0, 0, 0, 0.08);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
    z-index: 20;
}

#image-message-container .close-message-btn:hover {
    background-color: rgba(0, 0, 0, 0.15);
}

#stamp-get-title {
    color: var(--primary-color);
    font-size: 1.6em;
    font-weight: 700;
    text-align: center;
    margin: 0 0 15px 0;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}

#myImage {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 15px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}
#mess { margin-top: 0; margin-bottom: 24px; font-size: 1.1em; line-height: 1.6; }

#spot-description {
    text-align: left;
    font-size: 0.95em;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    white-space: pre-wrap;
}

.message-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    background-color: var(--component-bg);
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
}

#guideline { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); border: 2px dashed rgba(255, 0, 0, 0.8); box-shadow: 0 0 10px rgba(0, 0, 0, 0.5); pointer-events: none; display: none; z-index: 10; }

#toast-notification {
    visibility: hidden;
    min-width: 250px;
    background-color: #333;
    color: #fff;
    text-align: center;
    border-radius: 25px;
    padding: 14px 22px;
    position: fixed;
    z-index: 3500;
    left: 50%;
    bottom: calc(130px + env(safe-area-inset-bottom));
    transform: translate(-50%, 20px);
    font-size: 1em;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}
#toast-notification.show {
    visibility: visible;
    opacity: 1;
    bottom: calc(150px + env(safe-area-inset-bottom));
    transform: translateX(-50%);
}

#export-confirm-popup { position: fixed; bottom: 125px; left: 10px; right: 10px; transform: translateX(0); max-width: 500px; margin: 0 auto; background-color: rgba(0, 0, 0, 0.6); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); color: white; padding: 12px 18px; border-radius: 12px; border: 1px solid rgba(255, 255, 255, 0.2); box-shadow: 0 4px 20px rgba(0,0,0,0.4); z-index: 1100; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; transition: opacity 0.3s, bottom 0.3s; }

#export-confirm-popup p { margin: 0; font-size: 0.9em; flex-grow: 1; }
.export-buttons { display: flex; gap: 8px; flex-shrink: 0; }
#export-confirm-popup button { padding: 8px 16px; border: none; border-radius: 8px; cursor: pointer; font-weight: bold; transition: background-color 0.2s; }
#export-confirm-popup #execute-export-btn { background-color: #007aff; color: white; }
#export-confirm-popup #cancel-export-btn { background-color: #555; color: white; }

body[data-app-state="finished"] .mapboxgl-user-location-dot,
body[data-app-state="finished"] .mapboxgl-user-location-accuracy-circle {
    display: none !important;
}

.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(30, 30, 30, 0.5);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 3000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0s 0.3s;
}

.popup-overlay:not(.hidden) {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.3s ease;
}

.popup-content {
    position: relative;
    background-color: var(--component-bg);
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: center;
    max-width: 90%;
    width: 300px;
    opacity: 0;
    transform: scale(0.95) translateY(10px);
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), opacity 0.3s ease-out;
}

.popup-overlay:not(.hidden) .popup-content {
    opacity: 1;
    transform: scale(1) translateY(0);
}


.popup-content p, .popup-section label, .popup-content h3 {
    margin: 0 0 12px 0;
    font-size: 1.1em;
    color: var(--text-primary);
    font-weight: bold;
    display: block;
}
.popup-content p small {
    font-size: 0.8em;
    color: var(--text-secondary);
    font-weight: normal;
}
.popup-section {
    margin-bottom: 24px;
}
.popup-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 0;
}
.popup-buttons button {
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    font-size: 1em;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s, transform 0.1s;
}
.popup-buttons button:active {
    transform: scale(0.96);
}

.popup-buttons button.popup-btn-primary {
    background-color: var(--primary-color);
    color: var(--white-color);
    border-color: var(--primary-color);
}
.popup-buttons button.popup-btn-primary:hover {
    background-color: var(--primary-hover-color);
}
.popup-buttons button.popup-btn-secondary {
    background-color: var(--component-bg);
    color: var(--primary-color);
}
.popup-buttons button.popup-btn-secondary:hover {
    background-color: #f0f0f0;
}
.popup-buttons button.popup-btn-cancel {
     background-color: transparent;
     color: var(--text-secondary);
     border: none;
     font-weight: normal;
     margin-top: 8px;
}
.popup-buttons button.popup-btn-cancel:hover {
     background-color: #f0f0f0;
}

.popup-buttons button.popup-btn-danger {
    background-color: var(--danger-color);
    color: var(--white-color);
    border-color: var(--danger-color);
}
.popup-buttons button.popup-btn-danger:hover {
    background-color: var(--danger-hover-color);
}

.speed-controls-popup {
    display: flex;
    justify-content: center;
    gap: 5px;
}
.speed-controls-popup button {
    flex: 1;
    padding: 10px 0;
    border: 1px solid var(--border-color);
    background-color: transparent;
    font-weight: bold;
    color: var(--text-secondary);
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}
.speed-controls-popup button.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

body[data-app-state="finished"] #fab-container,
body[data-app-state="finished"] #fab-container-left {
    bottom: calc(115px + env(safe-area-inset-bottom));
}
body[data-app-state="finished"] #toast-notification {
    bottom: calc(165px + env(safe-area-inset-bottom));
}
body[data-app-state="finished"] #toast-notification.show {
    bottom: calc(185px + env(safe-area-inset-bottom));
}
body[data-app-state="finished"] #export-confirm-popup {
    bottom: calc(100px + env(safe-area-inset-bottom));
}

.mapboxgl-ctrl-logo {
    display: none !important;
}
.mapboxgl-ctrl-geolocate {
    display: none !important;
}

.mapboxgl-ctrl-top-left .mapboxgl-ctrl {
    margin-top: 10px;
    transition: margin-top 0.3s ease-in-out;
}

body[data-app-state="finished"] #fab-container-top-right {
    top: 70px;
}

#qr-scanner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 4000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
#qr-reader {
    width: 80vw;
    max-width: 400px;
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}
#close-qr-scanner {
    margin-top: 20px;
    padding: 10px 20px;
    background: var(--danger-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: bold;
    cursor: pointer;
}

.header-hidden h1 {
    display: none !important;
}

body.stats-panel-shown.header-hidden .mapboxgl-ctrl-top-left .mapboxgl-ctrl {
    margin-top: 69px;
}
body.stats-panel-shown:not(.header-hidden) .mapboxgl-ctrl-top-left .mapboxgl-ctrl {
    margin-top: 65px;
}

#initial-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--component-bg);
    z-index: 2500;
    padding: 16px 16px calc(32px + 24px + env(safe-area-inset-bottom));
    border-top-left-radius: var(--border-radius-md);
    border-top-right-radius: var(--border-radius-md);
    box-shadow: 0 -4px 12px rgba(0,0,0,0.15);
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
#initial-panel.visible {
    transform: translateY(0);
}
#initial-panel-content p {
    text-align: center;
    margin-top: 0;
    margin-bottom: 24px;
    font-size: 1.1em;
    line-height: 1.6;
}

#loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--body-bg);
    z-index: 5000;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 20px;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    opacity: 1;
    visibility: visible;
}

#loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

#loading-overlay .spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(0, 0, 0, 0.1);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

#loading-overlay p {
    font-size: 1em;
    color: var(--text-secondary);
    font-weight: bold;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

#help-modal.popup-overlay {
    align-items: flex-start;
    padding: 20px 0;
}

.popup-content.help-content {
    width: 360px;
    max-width: 95vw;
    text-align: left;
    max-height: calc(100% - 40px);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.popup-content.help-content .help-section {
    flex-shrink: 0;
}

#help-modal .close-message-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    left: auto;
    width: 36px;
    height: 36px;
    background-color: rgba(0, 0, 0, 0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
    cursor: pointer;
    z-index: 10;
}
#help-modal .close-message-btn:hover {
    background-color: rgba(0, 0, 0, 0.15);
}

.popup-content.help-content h2 {
    text-align: center;
    margin-top: 0;
    margin-right: 40px;
}

.help-section {
    margin-bottom: 20px;
}

.help-section + .help-section {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.help-section h3 {
    font-size: 1em;
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 4px;
    margin-bottom: 12px;
}
.help-section p {
    font-size: 0.9em;
    line-height: 1.6;
    margin: 0;
    font-weight: normal;
}
.help-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 12px;
}
.help-item .icon-placeholder {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--body-bg);
    border-radius: 8px;
    color: var(--text-primary);
}
.help-item .icon-placeholder svg {
    width: 24px;
    height: 24px;
    stroke-width: 2;
    stroke: currentColor;
    color: currentColor;
}
.help-item p {
    flex-grow: 1;
    font-size: 0.85em;
    line-height: 1.5;
}
.help-item p b {
    font-weight: bold;
    color: var(--text-primary);
    display: block;
}

.user-manual-link {
    display: block;
    text-align: center;
    margin-top: 16px;
    margin-bottom: 16px;
    font-size: 0.9em;
    color: var(--primary-color);
    text-decoration: underline;
}

#confirm-help-btn {
    width: 100%;
    padding: 14px;
    font-size: 1.1em;
    margin-top: 10px;
}

#gpx-download-modal .popup-content p {
    font-weight: normal;
    text-align: center;
    line-height: 1.6;
}
#gpx-download-modal .popup-content p a {
    color: var(--primary-color);
    font-weight: bold;
}

#paused-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 10px;
    background-color: rgba(0, 0, 0, 0.6);
    color: white;
    text-align: center;
    font-weight: bold;
    font-size: 1.1em;
    z-index: 1000;
    pointer-events: none;
    transition: opacity 0.3s, visibility 0.3s;
}

.loading-intro-image {
    width: 80%;
    max-width: 280px;
    height: auto;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
}

.popup-content h3 {
    font-size: 1.2em;
    color: var(--primary-color);
    margin-top: 0;
    margin-bottom: 8px;
}

.popup-input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    box-sizing: border-box;
    font-size: 1em;
}

#trash-stat-item.hidden {
    display: none;
}

#plogging-collect-button-container {
    position: fixed;
    bottom: calc(40px + env(safe-area-inset-bottom));
    left: 50%;
    transform: translateX(-50%);
    z-index: 1011;
    transition: opacity 0.3s, transform 0.3s;
}

#plogging-collect-btn {
    width: 64px;
    height: 64px;
    background-color: var(--primary-color);
    border: 2px solid white;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    cursor: pointer;
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    padding: 8px;
    box-sizing: border-box;
}

#plogging-collect-btn:active {
    transform: scale(0.92);
}

#plogging-collect-btn svg {
    width: 28px;
    height: 28px;
}

#plogging-count-display {
    font-size: 16px;
    font-weight: bold;
    margin-top: 2px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.4);
}

#camera-overlay {
    z-index: 4500;
    background-color: rgba(0,0,0,0.95);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}
.camera-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}
#camera-video, #camera-canvas {
    width: 100%;
    max-height: 100%;
    object-fit: contain;
}
#camera-canvas {
    display: none;
}
#camera-shutter-button {
    position: absolute;
    bottom: 10%;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background-color: #fff;
    border: 5px solid rgba(0,0,0,0.3);
    cursor: pointer;
    z-index: 10;
}
#camera-shutter-button:active {
    background-color: #ccc;
}
#camera-cancel-btn {
    position: absolute;
    top: 40px;
    right: 20px;
    background: rgba(0,0,0,0.5);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 10px 15px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10;
}
#camera-controls {
    position: absolute;
    bottom: 10%;
    width: 100%;
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 10;
}
#camera-controls button {
    padding: 12px 24px;
    border-radius: 8px;
    border: none;
    font-size: 1em;
    font-weight: bold;
    cursor: pointer;
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--text-primary);
}
#camera-controls button#camera-save-btn {
    background-color: var(--primary-color);
    color: white;
}

#permission-help-modal .popup-content {
    max-width: 360px;
}

#permission-modal-instructions {
    text-align: left;
    font-size: 0.9em;
    line-height: 1.6;
    background-color: var(--body-bg);
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    margin: 16px 0;
    border: 1px solid var(--border-color);
}

#permission-modal-instructions ol {
    padding-left: 20px;
    margin: 0;
}

#permission-modal-instructions li {
    margin-bottom: 12px;
}
#permission-modal-instructions li:last-child {
    margin-bottom: 0;
}

#permission-modal-instructions strong {
    color: var(--primary-color);
    font-weight: 700;
}

#permission-modal-instructions .os-instructions {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

#permission-modal-instructions .os-instructions h4 {
    margin: 0 0 8px 0;
    font-size: 1.1em;
    color: var(--text-primary);
}

.mode-selection-options {
    margin: 24px 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.mode-selection-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background-color: var(--body-bg);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
}
.mode-selection-option input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--primary-color);
    flex-shrink: 0;
}
.mode-selection-option label {
    font-weight: bold;
    font-size: 1em;
    margin: 0;
    line-height: 1.4;
    flex-grow: 1;
}
.mode-selection-option input[type="color"] {
    width: 44px;
    height: 44px;
    border: none;
    background: none;
    padding: 0;
    border-radius: 8px;
    cursor: pointer;
}


#stamp-rally-popup .popup-content.stamp-rally-content {
    background: var(--component-bg);
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow-md);
    color: var(--text-primary);
    width: 90vw;
    max-width: 500px;
    max-height: 85vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

#stamp-rally-popup #close-stamp-rally-popup {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 36px;
    height: 36px;
    background-color: rgba(0, 0, 0, 0.08);
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: background-color 0.2s;
}

#stamp-rally-popup #close-stamp-rally-popup:hover {
    background-color: rgba(0, 0, 0, 0.15);
}

#stamp-rally-popup .popup-content h3 {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 1.6em;
    color: var(--primary-color);
    text-shadow: none;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
    margin-bottom: 20px;
    margin-right: 40px;
}
.stamp-sheet-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 15px;
    padding: 15px;
    background-color: var(--body-bg);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    min-height: 120px;
    flex-grow: 1;
}
.stamp-card {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-sm);
    aspect-ratio: 1 / 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    transition: all 0.4s ease-in-out;
    padding: 8px;
    box-sizing: border-box;
    background-color: transparent;
    box-shadow: none;
}
.stamp-card.stamped {
    border-style: solid;
    border-color: var(--primary-color);
    border-width: 3px;
    background-color: var(--component-bg);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 153, 153, 0.25);
}
.stamp-card .stamp-image {
    width: 60%;
    height: 60%;
    object-fit: contain;
    border-radius: 4px;
}
.stamp-card .stamp-name {
    font-size: 0.75em;
    font-weight: bold;
    color: var(--text-secondary);
    margin: 4px 0 0 0;
    line-height: 1.3;
}
.stamp-card.stamped .stamp-name {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--primary-color);
    font-weight: 700;
}
.stamp-card.empty {
    background-color: rgba(0,0,0, 0.02);
}

#stamp-get-animation {
    position: absolute;
    top: 15px;
    left: 50%;
    width: 60%;
    max-width: 200px;
    transform: translateX(-50%);
    pointer-events: none;
    z-index: 15;
    opacity: 0;
}
#stamp-get-animation.animate {
    animation: stamp-animation 1.2s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}
@keyframes stamp-animation {
    0% {
        transform: translateX(-50%) scale(2.5) rotate(-15deg);
        opacity: 0;
    }
    40% {
        transform: translateX(-50%) scale(1) rotate(5deg);
        opacity: 1;
    }
    70% {
        transform: translateX(-50%) scale(1.1) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateX(-50%) scale(1.1) translateY(-10px);
        opacity: 0;
    }
}

.popup-content.course-select-content {
    width: 90vw;
    max-width: 800px;
    height: 80vh;
    padding-top: 20px;
    display: flex;
    flex-direction: column;
}

.course-select-content h2 {
    text-align: center;
    margin-top: 0;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.course-filters {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    flex-shrink: 0;
}

.course-filters select {
    flex-grow: 1;
    padding: 10px;
    font-size: 1em;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background-color: var(--component-bg);
}

.course-list-container {
    flex-grow: 1;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
}

#course-list-table {
    width: 100%;
    border-collapse: collapse;
}

#course-list-table th,
#course-list-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

#course-list-table th {
    background-color: var(--body-bg);
    position: sticky;
    top: 0;
    font-size: 0.9em;
}

#course-list-table tbody tr:hover {
    background-color: #f0f8ff;
}

#course-list-table .course-name {
    font-weight: bold;
}

#course-list-table .course-meta {
    font-size: 0.8em;
    color: var(--text-secondary);
}

#course-list-table .load-course-btn {
    padding: 8px 16px;
    font-size: 0.9em;
    font-weight: bold;
    color: var(--white-color);
    background-color: var(--primary-color);
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: background-color 0.2s;
}

#course-list-table .load-course-btn:hover {
    background-color: var(--primary-hover-color);
}

.footer-btn-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

#camera-btn, #spot-url-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: var(--white-color);
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
    text-decoration: none;
    padding: 0;
}

#camera-btn:hover, #spot-url-link:hover {
    background-color: var(--primary-hover-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

#camera-btn svg, #spot-url-link svg {
    width: 28px;
    height: 28px;
}

.footer-btn-caption {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ミステリーモードのオン・オフボタンを非表示にする */
#mysteryModeBtn {
    display: none !important;
}

/* ミステリーモードのマーカー（旗など）のスタイル */
.mystery-marker {
    width: 40px;
    height: 40px;
    cursor: pointer;
    background-size: contain;
    background-repeat: no-repeat;
    filter: drop-shadow(0px 3px 3px rgba(0, 0, 0, 0.4));
}

#fab-container-creation-tools {
    position: fixed;
    top: calc(56px + env(safe-area-inset-top) + 16px);
    left: 16px;
    z-index: 1011;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
}

#fab-create-toggle,
#fab-load-course-qr { /* ← ここに新しいボタンのIDを追加 */
    width: 48px;
    height: 48px;
    background-color: var(--primary-color);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#fab-container-creation-tools.open #fab-create-toggle {
    transform: rotate(45deg);
}

#fab-creation-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: opacity 0.2s ease-out, transform 0.2s ease-out;
}

#fab-creation-options.hidden {
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
}

.fab-creation {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    background-color: var(--component-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    font-size: 0.9em;
    font-weight: bold;
    color: var(--text-primary);
    transition: all 0.2s ease;
    white-space: nowrap;
}

.fab-creation:hover {
    transform: scale(1.05);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.fab-creation svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

#top-left-fab-container {
    position: fixed;
    /* ヘッダーの高さを無視し、画面上端から4pxの位置に配置 */
    top: calc(env(safe-area-inset-top) + 4px);
    left: 16px;
    z-index: 1010;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    /* スムーズに上下移動させるためのtransitionを追加 */
    transition: top 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

body.stats-panel-shown #top-left-fab-container {
    /* こちらもヘッダーの高さを無視する */
    top: calc(env(safe-area-inset-top) + var(--stats-panel-height, 92px) + 4px);
}

#opacity-toggle-container {
    position: absolute;
    left: 50%;
    bottom: calc(40px + env(safe-area-inset-bottom));
    transform: translateX(-50%);
    z-index: 1020;
    transition: opacity 0.3s, bottom 0.3s;
}

#opacity-toggle-container.hidden {
    opacity: 0;
    pointer-events: none;
}

#historical-map-switcher {
    position: absolute;
    bottom: calc(40px + env(safe-area-inset-bottom));
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    padding: 8px 12px;
    border-radius: 25px;
    box-shadow: var(--shadow-md);
    z-index: 1020;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-primary);
    font-weight: bold;
    transition: opacity 0.3s, bottom 0.3s;
}

#historical-map-switcher.hidden {
    opacity: 0;
    pointer-events: none;
}

#historical-map-label {
    white-space: nowrap;
    font-size: 0.9em;
    min-width: 140px;
    text-align: center;
}

.hist-nav-btn {
    background-color: var(--component-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 1.1em;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: background-color 0.2s, color 0.2s, transform 0.1s;
}

.hist-nav-btn:hover:not(:disabled) {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.hist-nav-btn:active:not(:disabled) {
    transform: scale(0.9);
}

.hist-nav-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    background-color: rgba(200, 200, 200, 0.5);
}

/* ===== セーフエリア対応スタイル ===== */

#safe-area-top-bar {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: env(safe-area-inset-top);
    background-color: var(--primary-color);
    z-index: 1100;
}

.header-hidden #safe-area-top-bar {
    display: block;
}

.header-hidden #fab-container-top-right {
    top: calc(env(safe-area-inset-top) + 16px);
}

.stats-panel-shown.header-hidden #fab-container-top-right {
    top: calc(env(safe-area-inset-top) + 80px);
}

/* 下部セーフエリア固定バーのスタイル */
#safe-area-bottom-bar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: calc(24px + env(safe-area-inset-bottom));
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover-color) 100%);
    z-index: 1100;
    justify-content: center;
    align-items: flex-start;
    box-sizing: border-box;
    padding-top: 5px;
}

/* バー内のテキストとリンクのスタイル */
#safe-area-bottom-bar p {
    margin: 0;
    color: white;
    font-size: 0.8em;
}
#safe-area-bottom-bar a {
    color: #e0e0e0;
    text-decoration: underline;
}

.mode-selection-option.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background-color: var(--body-bg);
}

.mode-selection-option.disabled label {
    color: var(--text-secondary);
}

#lock-screen-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 4900;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
}

#lock-screen-overlay .lock-icon {
    margin-bottom: 20px;
    animation: pulse-lock 2s infinite;
}

#lock-screen-overlay p {
    font-size: 1.2em;
    font-weight: bold;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

@keyframes pulse-lock {
    0% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(1); opacity: 0.8; }
}

/* ===== ファイルの末尾に以下を追記 ===== */

.swipe-arrow {
    position: absolute;
    bottom: 20%;
    opacity: 0.7;
    animation: swipe-up-animation 1.5s infinite;
}

@keyframes swipe-up-animation {
    0% {
        transform: translateY(10px);
        opacity: 0;
    }
    50% {
        opacity: 0.8;
    }
    100% {
        transform: translateY(-10px);
        opacity: 0;
    }
}

#tutorial-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 9990;
    transition: opacity 0.3s;
}

#tutorial-step {
    position: absolute;
    background-color: var(--component-bg);
    padding: 16px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    width: 280px;
    max-width: 80vw;
    z-index: 9999;
    border: 2px solid var(--primary-color);
}

#tutorial-step h3 {
    margin-top: 0;
    font-size: 1.2em;
    color: var(--primary-color);
}

#tutorial-step p {
    font-size: 0.95em;
    line-height: 1.6;
    margin-bottom: 20px;
}

#tutorial-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tutorial-btn {
    padding: 8px 16px;
    border-radius: var(--border-radius-sm);
    border: none;
    font-weight: bold;
    cursor: pointer;
}
.tutorial-btn.primary {
    background-color: var(--primary-color);
    color: white;
}
.tutorial-btn.secondary {
    background-color: #e0e0e0;
    color: var(--text-primary);
}
.tutorial-btn.close {
    background-color: transparent;
    color: var(--text-secondary);
    font-weight: normal;
    padding: 8px;
}

.tutorial-highlight {
    z-index: 9998 !important;
    position: relative;
    box-shadow: 0 0 0 8px rgba(255, 255, 255, 0.4), 0 0 0 9999px rgba(0, 0, 0, 0.6);
    border-radius: 50%;
    pointer-events: none;
    transition: box-shadow 0.3s;
}

#fab-stop-wrapper {
    display: inline-block;
}

.tutorial-highlight {
    border-radius: 50%; /* ハイライトを円形にする */
}

/* ヘッダーボタン用のハイライトは四角を維持 */
.tutorial-highlight.header-highlight {
    border-radius: 8px;
}

.tutorial-icon-inline {
    width: 1.2em;
    height: 1.2em;
    vertical-align: middle;
    margin: 0 0.1em -0.2em 0.1em;
    fill: currentColor;
    stroke: currentColor;
    stroke-width: 2;
}

/* 一部のアイコンは塗りのみのため調整 */
.tutorial-icon-inline path {
    stroke-width: 0;
    fill: var(--primary-color);
}

/* 線画アイコンの色調整 */
.tutorial-icon-inline line,
.tutorial-icon-inline rect,
.tutorial-icon-inline circle,
.tutorial-icon-inline path[d*='m21 15-5-5L5 21'] {
    stroke: var(--primary-color);
    fill: none;
}

/* アイコンとテキスト付きFABの共通ラベルスタイル */
.fab-label {
    font-size: 10px;
    font-weight: bold;
    color: var(--white-color);
    line-height: 1;
    text-align: center;
}

/* 対象のFABを縦並びレイアウトに変更 */
#fab-start,
#fab-pause,
#fab-resume,
#fab-stop,
#fab-reset {
    flex-direction: column;
    justify-content: center;
    padding: 8px 4px; /* 内側の余白を調整 */
    gap: 3px; /* アイコンとテキストの間隔 */
    box-sizing: border-box;
}

/* 対象のFAB内のアイコンサイズを調整してテキストのスペースを確保 */
#fab-start svg,
#fab-pause svg,
#fab-resume svg,
#fab-stop svg,
#fab-reset svg {
    width: 28px;
    height: 28px;
}

/* 「創作」ボタンのサイズとレイアウトを調整 */
#fab-create-toggle {
    width: 64px;
    height: 64px;
    flex-direction: column;
    justify-content: center;
    padding: 8px 4px;
    gap: 3px;
    box-sizing: border-box;
}

#fab-create-toggle svg,
#fab-load-course-qr svg { /* ← ここに新しいボタンのIDを追加 */
    width: 28px;
    height: 28px;
}

/* 情報パネルの速度とゴミ拾いを非表示にする */
#speed-stat-item,
#trash-stat-item {
    display: none;
}

/* 画面ロック中のオーバーレイのスタイル */
#lock-screen-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 4900;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
}

#lock-screen-overlay .lock-icon {
    margin-bottom: 20px;
    animation: pulse-lock 2s infinite;
}

#lock-screen-overlay p {
    font-size: 1.2em;
    font-weight: bold;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

@keyframes pulse-lock {
    0% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(1); opacity: 0.8; }
}

/* アイコンとテキスト付きFABの共通ラベルスタイル */
.fab-label {
    font-size: 10px;
    font-weight: bold;
    color: var(--white-color);
    line-height: 1;
    text-align: center;
    white-space: nowrap; /* テキストの折り返しを防止 */
    letter-spacing: -0.5px; /* 文字間を詰めて長いテキストに対応 */
}

/* 対象のFABを縦並びレイアウトに変更 */
#fab-create-toggle,
#fab-load-course-qr,
#fab-start,
#fab-pause,
#fab-resume,
#fab-stop,
#fab-reset,
#fab-lock-screen {
    width: 64px;
    height: 64px;
    border-radius: 20px; /* 円形から角丸四角形に変更 */
    flex-direction: column;
    justify-content: center;
    padding: 8px 4px;
    gap: 3px; /* アイコンとテキストの間隔 */
    box-sizing: border-box;
}

/* 対象のFAB内のアイコンサイズを調整 */
#fab-create-toggle svg,
#fab-load-course-qr svg,
#fab-start svg,
#fab-pause svg,
#fab-resume svg,
#fab-stop svg,
#fab-reset svg,
#fab-lock-screen svg {
    width: 28px;
    height: 28px;
}

/* コース作成・スポット作成ボタンのアイコン色を白に変更 */
#fab-container-plotting .button-wrapper button svg,
#fab-container-spot-creation .button-wrapper button svg {
    color: var(--white-color);
}

.os-prompt-instructions {
    text-align: left;
    margin: 20px 0;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background-color: var(--body-bg);
}

.os-prompt-instructions p {
    font-size: 1em;
    line-height: 1.5;
    margin: 10px 0;
    font-weight: normal;
}

.os-prompt-instructions b {
    color: var(--primary-color);
}

.inline-icon {
    width: 20px;
    height: 20px;
    vertical-align: middle;
    margin: 0 4px;
}