@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700&display=swap');

:root {
    --bg-color: #f0f4f8;
    --container-bg: white;
    --header-bg: #4a90e2;
    --header-border: #357abd;
    --header-text: white;
    --border-color: #ddd;
    --text-color-dark: #34495e;
    --text-color-light: #6c757d;
    --card-accent-color: #1a5f9e;
    --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --tree-high: #ff4444;
    --tree-medium: #ff8844;
    --tree-low: #ffdd44;
    --grass-high: #2d5a5a;
    --grass-medium: #4d8a8a;
    --grass-low: #8dd8d8;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', sans-serif; background-color: var(--bg-color); height: 100vh; overflow: hidden; }
.container { width: 100%; height: 100vh; background-color: var(--container-bg); display: flex; flex-direction: column; }
.table-container { flex-grow: 1; overflow: hidden; padding: 10px 10px 5px 10px; display: flex; align-items: stretch; }
table { width: 100%; border-collapse: collapse; font-size: clamp(11px, 1.2vw, 16px); table-layout: fixed; }

.header { background-color: var(--header-bg); color: var(--header-text); font-weight: bold; }
.header th { padding: clamp(4px, 0.8vh, 10px) 2px; text-align: center; border: 1px solid var(--header-border); font-size: clamp(21.6px, 3.6vh, 38.4px); font-weight: bold; vertical-align: middle; white-space: nowrap; }
.header th:first-child { width: clamp(150px, 15vw, 225px); }

.current-month-column {
    position: relative;
    box-shadow: -6px 0 0 0 #ff6b6b inset, 6px 0 0 0 #ff6b6b inset;
    animation: pulse-border 1.8s infinite ease-in-out;
}

.header .current-month-column {
    background-color: var(--tree-high);
    border-color: #c0392b;
    animation: pulse-border 1.8s infinite ease-in-out, pulse-header-red 1.8s infinite ease-in-out;
}

.plant-name { background-color: #f8f9fa; font-weight: bold; padding: clamp(6px, 1vh, 10px) clamp(6px, 0.8vw, 10px); border: 1px solid var(--border-color); width: 100%; height: clamp(40px, 6vh, 55px); vertical-align: middle; font-size: clamp(25.5px, 3.9vh, 31.5px); }
tbody tr, tbody tr td { height: clamp(40px, 6vh, 55px); }
td { padding: clamp(3px, 0.5vh, 8px); border: 1px solid var(--border-color); text-align: center; position: relative; vertical-align: middle; }

.tree-high { background-color: var(--tree-high); } .tree-medium { background-color: var(--tree-medium); } .tree-low { background-color: var(--tree-low); }
.grass-high { background-color: var(--grass-high); } .grass-medium { background-color: var(--grass-medium); } .grass-low { background-color: var(--grass-low); }

.current-month-info { flex-shrink: 0; padding: clamp(15px, 2.5vh, 25px); background: linear-gradient(135deg, #eef7ff 0%, #ffffff 100%); border-top: 4px solid var(--header-bg); display: flex; align-items: stretch; gap: clamp(15px, 2vw, 25px); max-height: 40vh; }

.pollen-info-card { flex: 0 0 35%; background-color: var(--container-bg); padding: clamp(10px, 1.5vh, 20px); border-radius: 12px; box-shadow: var(--card-shadow); display: flex; flex-direction: column; gap: clamp(8px, 1.2vh, 12px); overflow-y: auto; }
.pollen-info-card h2 { font-size: clamp(20px, 3.2vh, 30px); font-weight: bold; color: var(--card-accent-color); text-align: center; flex-shrink: 0; }
#pollen-details { display: flex; flex-direction: column; gap: clamp(6px, 1vh, 10px); }

.tips-info-card { flex: 1; background-color: var(--container-bg); padding: clamp(10px, 1.5vh, 20px); border-radius: 12px; box-shadow: var(--card-shadow); display: flex; flex-direction: column; }
.tips-info-card .tips-title { font-size: clamp(22px, 3.5vh, 28px); font-weight: bold; color: var(--card-accent-color); text-align: center; margin-bottom: clamp(10px, 1.5vh, 15px); }
.tips-info-card .tips-grid { display: flex; gap: clamp(10px, 1.5vw, 20px); }
.tips-info-card .tip { flex: 1; text-align: center; background-color: #f8fcff; padding: clamp(10px, 2vh, 20px); border-radius: 8px; border: 1px solid #dbeaf5; }
.tips-info-card .tip strong { color: var(--card-accent-color); display: block; margin-bottom: 2px; font-size: clamp(24px, 3.9vh, 30px); }
.tips-info-card .tip p { font-size: clamp(21px, 3.3vh, 27px); line-height: 1.5; color: var(--text-color-dark); font-weight: bold; }

.bottom-area { margin-top: auto; padding-top: 10px; }
.clinic-message { text-align: center; font-size: clamp(22.5px, 3.6vh, 28.5px); color: #588db9; font-weight: bold; padding: 5px; }
.source-citation-bottom { text-align: center; font-size: clamp(13.5px, 1.8vh, 16.5px); color: var(--text-color-light); padding-top: 5px; font-weight: bold; }

.pollen-item { display: flex; align-items: center; padding: clamp(8px, 1.2vh, 12px) 150px; background-color: #f8f9fa; border-radius: 8px; border-left: 5px solid; }
.pollen-item-name { font-weight: bold; font-size: clamp(14px, 2.2vh, 18px); color: var(--text-color-dark); margin-right: auto; }
.pollen-item-level { font-size: clamp(13px, 2vh, 16px); font-weight: bold; color: var(--text-color-dark); }

.pollen-item.tree-high { border-color: var(--tree-high); } .pollen-item.tree-medium { border-color: var(--tree-medium); } .pollen-item.tree-low { border-color: var(--tree-low); }
.pollen-item.grass-high { border-color: var(--grass-high); } .pollen-item.grass-medium { border-color: var(--grass-medium); } .pollen-item.grass-low { border-color: var(--grass-low); }

.info-message { text-align: center; font-size: clamp(13px, 2vh, 16px); color: #555; padding: 10px; background-color: #f8f9fa; border-radius: 8px; }

@keyframes pulse-red {
    0% { background-color: #f8f9fa; box-shadow: none; }
    50% { background-color: #ffeaea; box-shadow: 0 0 10px rgba(255, 68, 68, 0.7); }
    100% { background-color: #f8f9fa; box-shadow: none; }
}
.pollen-item-high-alert {
    animation: pulse-red 1.8s infinite ease-in-out;
}

@keyframes pulse-border {
    0% { box-shadow: -6px 0 0 0 #ff6b6b inset, 6px 0 0 0 #ff6b6b inset; }
    50% { box-shadow: -6px 0 0 0 rgba(255, 107, 107, 0.2) inset, 6px 0 0 0 rgba(255, 107, 107, 0.2) inset; }
    100% { box-shadow: -6px 0 0 0 #ff6b6b inset, 6px 0 0 0 #ff6b6b inset; }
}

@keyframes pulse-header-red {
    0% { background-color: var(--tree-high); }
    50% { background-color: #ff8080; }
    100% { background-color: var(--tree-high); }
}

/* ========== フルスクリーンオーバーレイ ========== */
.fullscreen-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}
.fullscreen-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 花粉注意画面 */
.pollen-alert-screen {
    background: linear-gradient(145deg, #fff9e6 0%, #fff3cd 30%, #ffe8a8 100%);
}
.pollen-alert-content {
    text-align: center;
    padding: 20px;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.pollen-alert-icon {
    font-size: clamp(100px, 15vh, 150px);
    margin-bottom: 10px;
    animation: float 3s ease-in-out infinite;
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}
.pollen-alert-month {
    font-size: clamp(60px, 10vh, 100px);
    color: #b8860b;
    font-weight: bold;
    margin-bottom: 5px;
}
.pollen-alert-title {
    font-size: clamp(70px, 12vh, 120px);
    color: #d35400;
    font-weight: bold;
    margin-bottom: 30px;
    text-shadow: 3px 3px 6px rgba(0,0,0,0.15);
}
.pollen-alert-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 25px;
    max-width: 95%;
}
.pollen-alert-item {
    background: white;
    border-radius: 24px;
    padding: 30px 50px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: transform 0.3s ease;
}
.pollen-alert-item:hover {
    transform: scale(1.05);
}
.pollen-alert-item-icon {
    font-size: clamp(50px, 8vh, 80px);
}
.pollen-alert-item-info {
    text-align: left;
}
.pollen-alert-item-name {
    font-size: clamp(42px, 7vh, 70px);
    font-weight: bold;
    color: #333;
}
.pollen-alert-item-level {
    font-size: clamp(32px, 5vh, 50px);
    font-weight: bold;
    padding: 8px 20px;
    border-radius: 12px;
    display: inline-block;
    margin-top: 8px;
}
.level-high { background: #ffcccc; color: #c0392b; }
.level-medium { background: #ffe0b3; color: #d35400; }
.level-low { background: #fff3cd; color: #b8860b; }

/* 対策ポイント画面 */
.tips-screen {
    background: linear-gradient(145deg, #e8f5e9 0%, #c8e6c9 30%, #a5d6a7 100%);
}
.tips-fullscreen-content {
    text-align: center;
    padding: 15px 30px;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.tips-fullscreen-icon {
    font-size: clamp(60px, 8vh, 90px);
    margin-bottom: 5px;
}
.tips-fullscreen-title {
    font-size: clamp(50px, 7vh, 75px);
    color: #2e7d32;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.12);
}
.tips-fullscreen-grid {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 15px;
    width: 90%;
    max-width: 1400px;
}
.tips-fullscreen-card {
    background: white;
    border-radius: 20px;
    padding: 20px 40px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
    display: flex;
    align-items: center;
    gap: 30px;
    transition: transform 0.3s ease;
}
.tips-fullscreen-card:hover {
    transform: translateX(10px);
}
.tips-card-icon {
    font-size: clamp(50px, 7vh, 80px);
    flex-shrink: 0;
}
.tips-card-content {
    display: flex;
    align-items: center;
    gap: 25px;
    flex-grow: 1;
}
.tips-card-title {
    font-size: clamp(36px, 5vh, 55px);
    color: #1b5e20;
    font-weight: bold;
    flex-shrink: 0;
    min-width: 180px;
}
.tips-card-text {
    font-size: clamp(30px, 4vh, 45px);
    color: #333;
    line-height: 1.4;
    text-align: left;
}
.tips-fullscreen-footer {
    margin-top: 20px;
    font-size: clamp(32px, 4.5vh, 48px);
    color: #388e3c;
    font-weight: bold;
}
.tips-fullscreen-footer-icon {
    font-size: clamp(38px, 5vh, 55px);
    vertical-align: middle;
    margin-right: 10px;
}

/* ========== 画像スライドショー画面 ========== */
.slideshow-screen {
    background-color: #ffffff;
}
.slideshow-image {
    width: 100%;
    height: 100%;
    object-fit: contain; /* アスペクト比を保ちながら画面いっぱいに拡大 */
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    transition: opacity 0.25s ease-in-out;
    /* GPUアクセラレーション */
    transform: translateZ(0);
    will-change: opacity;
}
.slideshow-image.fade-out {
    opacity: 0;
}
/* 分割表示モード: 縦長画像を横幅いっぱいに拡大し、一部を表示 */
.slideshow-image.split-view {
    width: 100%;
    height: 100%;
    max-width: none;
    max-height: none;
    object-fit: cover;
}
.slideshow-pdf {
    width: 100%;
    height: 100%;
    border: none;
    display: none;
    transition: opacity 0.25s ease-in-out;
}
.slideshow-pdf.fade-out {
    opacity: 0;
}

/* ========== 動画CM画面 ========== */
.video-cm-screen {
    background-color: #000000;
}
.video-cm-player {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    /* GPUアクセラレーション強化 */
    transform: translateZ(0);
    will-change: transform;
    backface-visibility: hidden;
}

/* ========== 時計表示画面 ========== */
.clock-screen {
    background-color: #f5f5f5;
    flex-direction: column;
}
.clock-screen.active {
    display: flex;
}
.clock-content {
    text-align: center;
    color: #333333;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 40px 20px;
}
.clock-date-weekday-section {
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}
.clock-date-display {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 15px;
    line-height: 1;
}
.clock-date-display .number {
    font-size: clamp(150px, 22vh, 240px);
    font-weight: 700;
    margin-left: 0.2em;
}
.clock-date-display ruby {
    display: inline-flex;
    flex-direction: column-reverse;
    font-size: clamp(75px, 11vh, 120px);
    font-weight: 700;
}
.clock-date-display rt {
    font-size: clamp(50px, 7vh, 80px);
    font-weight: 400;
    letter-spacing: 2px;
}
.clock-weekday-section {
    line-height: 1.2;
}
.clock-weekday-ruby {
    font-size: clamp(50px, 7vh, 80px);
    font-weight: 400;
    margin-bottom: 5px;
    letter-spacing: 8px;
}
.clock-weekday-main {
    font-size: clamp(100px, 14vh, 160px);
    font-weight: 700;
    letter-spacing: 4px;
}
.clock-time-section {
    margin-bottom: 20px;
}
.clock-time-display {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 15px;
    line-height: 1;
}
.clock-time-display .number {
    font-size: clamp(120px, 17vh, 190px);
    font-weight: 700;
    margin-left: 0.2em;
}
.clock-time-display ruby {
    display: inline-flex;
    flex-direction: column-reverse;
    font-size: clamp(60px, 8.5vh, 95px);
    font-weight: 700;
}
.clock-time-display rt {
    font-size: clamp(30px, 4.2vh, 48px);
    font-weight: 400;
    letter-spacing: 2px;
    text-align: center;
    display: block;
}
.clock-time-display .seconds-number {
    font-size: clamp(80px, 11vh, 130px);
    font-weight: 700;
    margin-left: 0.2em;
}
.clock-time-display .seconds-kanji {
    display: inline-flex;
    flex-direction: column-reverse;
    font-size: clamp(40px, 5.6vh, 65px);
    font-weight: 700;
}
.clock-time-display .seconds-kanji rt {
    font-size: clamp(20px, 2.8vh, 32px);
    font-weight: 400;
    letter-spacing: 2px;
    text-align: center;
    display: block;
}
.clock-logo-section {
    padding: 10px 20px 30px 20px;
    text-align: center;
}
.clock-logo-section img {
    max-width: 95%;
    width: 95%;
    height: auto;
    object-fit: contain;
    transform: scale(0.855);
    box-shadow: 5px 5px 10px rgba(0,0,0,0.3);
}

/* ========== ロゴアニメーション画面 ========== */
.logo-animation-screen {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}
.logo-animation-screen.active {
    display: flex;
}
.logo-animation-container {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}
#particleCanvas {
    max-width: 95vw;
    max-height: 95vh;
    width: auto;
    height: auto;
    /* GPUアクセラレーション */
    transform: translateZ(0);
}

/* ========== 天気予報画面 ========== */
.weather-screen {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #4a90e2 100%);
    transition: background 0.5s ease;
}
/* 朝（5-10時）: 日の出（濃いめのオレンジ〜青） */
.weather-screen.time-morning {
    background: linear-gradient(135deg, #d35400 0%, #e67e22 30%, #3498db 100%);
}
/* 昼（10-16時）: 晴れ渡る青空 */
.weather-screen.time-noon {
    background: linear-gradient(135deg, #2980b9 0%, #3498db 50%, #5dade2 100%);
}
/* 夕方（16-19時）: 夕焼け（濃いめのオレンジ〜紫） */
.weather-screen.time-evening {
    background: linear-gradient(135deg, #c0392b 0%, #d35400 40%, #8e44ad 100%);
}
/* 夜（19-5時）: 夜空 */
.weather-screen.time-night {
    background: linear-gradient(135deg, #0c1445 0%, #1a237e 50%, #283593 100%);
}
.weather-screen.active {
    display: flex;
}
.weather-content {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: clamp(20px, 3vh, 40px) clamp(30px, 3vw, 50px);
    box-sizing: border-box;
    color: white;
}
.weather-header {
    text-align: center;
    margin-bottom: 20px;
}
.weather-location {
    font-size: clamp(36px, 5vh, 50px);
    font-weight: bold;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}
.weather-update-time {
    font-size: clamp(18px, 2.5vh, 24px);
    opacity: 0.9;
}
.weather-cards {
    display: flex;
    justify-content: center;
    gap: 40px;
    width: 100%;
    max-width: 100%;
    flex-wrap: nowrap;
    flex: 1;
    align-items: stretch;
}
.weather-card {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 30px 40px;
    text-align: center;
    flex: 1 1 0;
    max-width: none;
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.5);
    color: #333;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.weather-card-date {
    font-size: clamp(40px, 5vh, 56px);
    font-weight: bold;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(0,0,0,0.15);
}
.weather-card-icon {
    font-size: clamp(140px, 20vh, 220px);
    margin: 15px 0;
    filter: drop-shadow(3px 3px 5px rgba(0,0,0,0.3));
}
.weather-card-text {
    font-size: clamp(32px, 4.5vh, 48px);
    font-weight: bold;
    margin-bottom: 20px;
    min-height: 2.5em;
    line-height: 1.3;
}
.weather-card-temps {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
}
.weather-temp {
    font-size: clamp(48px, 7vh, 72px);
    font-weight: bold;
}
.weather-temp-high {
    color: #d32f2f;
}
.weather-temp-low {
    color: #1976d2;
}
.weather-temp-label {
    font-size: clamp(20px, 3vh, 28px);
    opacity: 0.7;
}
.weather-card-rain {
    font-size: clamp(30px, 4.5vh, 46px);
    background: rgba(0,0,0,0.08);
    padding: 12px 24px;
    border-radius: 12px;
    display: inline-block;
}
.weather-card-rain-icon {
    margin-right: 8px;
}
.weather-loading {
    font-size: clamp(32px, 5vh, 48px);
    text-align: center;
}
.weather-source {
    margin-top: 15px;
    font-size: clamp(16px, 2vh, 20px);
    opacity: 0.7;
}

/* ========== ファミコン風ロゴ画面 ========== */
.famicom-logo-screen {
    background: #000000;
}
.famicom-logo-screen.active {
    display: flex;
}
.famicom-logo-container {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}
#famicomCanvas {
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    /* GPUアクセラレーション */
    transform: translateZ(0);
}

/* ========== ビリヤードロゴアニメーション画面 ========== */
.billiard-screen {
    background: linear-gradient(180deg, #1a1a1a 0%, #0d0d0d 100%);
}
.billiard-screen.active {
    display: flex;
}
.billiard-container {
    position: relative;
    width: 1920px;
    height: 1080px;
    overflow: hidden;
}
.billiard-ball {
    position: absolute;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: transparent;
    border: none;
    font-size: 158px;
    font-weight: bold;
    color: #ffffff;
    transform: translate(-50%, -50%);
    font-family: 'Hiragino Kaku Gothic Pro', 'メイリオ', sans-serif;
}
.billiard-cue-ball {
    position: absolute;
    width: 100px;
    height: 100px;
    background: #ffffff;
    border-radius: 50%;
    box-shadow: 4px 4px 15px rgba(0,0,0,0.5);
    transform: translate(-50%, -50%);
}
.billiard-cue-stick {
    position: absolute;
    width: 400px;
    height: 16px;
    background: linear-gradient(90deg, #2a2a2a 0%, #4a4a4a 50%, #6a6a6a 100%);
    border-radius: 8px;
    transform-origin: right center;
    opacity: 0;
    box-shadow: 4px 4px 10px rgba(0,0,0,0.5);
}
.billiard-impact {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,0.9) 0%, transparent 70%);
    opacity: 0;
    pointer-events: none;
}
.billiard-impact.show {
    animation: billiardImpactFlash 0.3s ease-out forwards;
}
@keyframes billiardImpactFlash {
    0% { opacity: 1; transform: scale(0.5); }
    100% { opacity: 0; transform: scale(2.5); }
}
.billiard-shine-line {
    position: absolute;
    top: 390px;
    left: -200px;
    width: 150px;
    height: 300px;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.1) 20%, rgba(255,255,255,0.8) 50%, rgba(255,255,255,0.1) 80%, transparent 100%);
    transform: skewX(-20deg);
    opacity: 0;
    pointer-events: none;
}
.billiard-shine-line.animate {
    animation: billiardShinePass 0.8s ease-in-out forwards;
}
@keyframes billiardShinePass {
    0% { left: 0px; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { left: 1920px; opacity: 0; }
}
.billiard-sparkle {
    position: absolute;
    width: 50px;
    height: 50px;
    opacity: 0;
    pointer-events: none;
}
.billiard-sparkle::before,
.billiard-sparkle::after {
    content: '';
    position: absolute;
    background: #ffffff;
}
.billiard-sparkle::before {
    top: 50%;
    left: 0;
    width: 100%;
    height: 4px;
    transform: translateY(-50%);
    border-radius: 2px;
}
.billiard-sparkle::after {
    left: 50%;
    top: 0;
    width: 4px;
    height: 100%;
    transform: translateX(-50%);
    border-radius: 2px;
}
.billiard-sparkle.animate {
    animation: billiardSparkleFlash 0.6s ease-out forwards;
}
@keyframes billiardSparkleFlash {
    0% { opacity: 0; transform: scale(0) rotate(0deg); }
    50% { opacity: 1; transform: scale(1.2) rotate(15deg); }
    100% { opacity: 0; transform: scale(0.5) rotate(30deg); }
}
.billiard-sparkle-small {
    width: 25px;
    height: 25px;
}
.billiard-sparkle-small::before { height: 2px; }
.billiard-sparkle-small::after { width: 2px; }

/* ========== 紫外線情報画面（縦型・大文字） ========== */
.uv-screen {
    background: linear-gradient(135deg, #ff9500 0%, #ff5e3a 50%, #ff2d55 100%);
}
.uv-screen.uv-level-low {
    background: linear-gradient(135deg, #4cd964 0%, #34c759 50%, #30d158 100%);
}
.uv-screen.uv-level-moderate {
    background: linear-gradient(135deg, #ffcc00 0%, #ff9500 50%, #ff9500 100%);
}
.uv-screen.uv-level-high {
    background: linear-gradient(135deg, #ff9500 0%, #ff5e3a 50%, #ff3b30 100%);
}
.uv-screen.uv-level-very-high {
    background: linear-gradient(135deg, #ff3b30 0%, #ff2d55 50%, #af52de 100%);
}
.uv-screen.uv-level-extreme {
    background: linear-gradient(135deg, #af52de 0%, #5856d6 50%, #007aff 100%);
}
.uv-screen.active {
    display: flex;
}
.uv-content {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: clamp(20px, 3vh, 40px) clamp(60px, 7vw, 120px);
    gap: clamp(10px, 1.5vh, 20px);
    overflow: hidden;
}
.uv-header {
    text-align: center;
}
.uv-title {
    font-size: clamp(42px, 6.5vh, 65px);
    font-weight: bold;
    color: white;
    text-shadow: 3px 3px 10px rgba(0,0,0,0.3);
}
/* 縦型メインエリア */
.uv-main-vertical {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 900px;
}
.uv-index-value {
    font-size: clamp(140px, 22vh, 220px);
    font-weight: bold;
    color: white;
    line-height: 1;
    text-shadow: 4px 4px 15px rgba(0,0,0,0.3);
}
.uv-index-level {
    font-size: clamp(48px, 7.5vh, 75px);
    font-weight: bold;
    color: white;
    text-shadow: 3px 3px 10px rgba(0,0,0,0.3);
    margin-bottom: clamp(10px, 2vh, 20px);
}
.uv-gauge-container {
    width: 100%;
    max-width: 600px;
    margin-top: clamp(10px, 2vh, 20px);
}
.uv-gauge-bar {
    height: clamp(24px, 4vh, 40px);
    background: linear-gradient(to right,
        #4cd964 0%,
        #ffcc00 25%,
        #ff9500 50%,
        #ff3b30 75%,
        #af52de 100%
    );
    border-radius: 20px;
    position: relative;
    overflow: visible;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}
.uv-gauge-bar::after {
    content: '';
    position: absolute;
    width: clamp(30px, 5vh, 50px);
    height: clamp(30px, 5vh, 50px);
    background: white;
    border: 5px solid #333;
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    left: var(--gauge-pos, 0%);
    transition: left 0.5s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}
.uv-gauge-labels {
    display: flex;
    justify-content: space-between;
    margin-top: clamp(8px, 1.5vh, 15px);
    font-size: clamp(20px, 3.5vh, 30px);
    color: rgba(255,255,255,0.9);
    font-weight: bold;
    text-shadow: 2px 2px 5px rgba(0,0,0,0.3);
}
/* シンプルなアドバイス（1行） */
.uv-advice-simple {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(15px, 2vw, 30px);
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    padding: clamp(15px, 2vh, 28px) clamp(30px, 4vw, 60px);
    border-radius: 24px;
    margin-top: clamp(10px, 1.5vh, 20px);
}
.uv-advice-icon {
    font-size: clamp(40px, 6vh, 60px);
}
.uv-advice-text {
    font-size: clamp(32px, 5vh, 50px);
    font-weight: bold;
    color: white;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
}
.uv-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(10px, 1.5vw, 20px);
    background: rgba(255, 255, 255, 0.2);
    padding: clamp(12px, 2vh, 24px) clamp(24px, 3vw, 50px);
    border-radius: 16px;
    margin-top: auto;
}
.uv-footer-icon {
    font-size: clamp(28px, 4vh, 44px);
}
.uv-footer-text {
    font-size: clamp(24px, 3.8vh, 38px);
    font-weight: bold;
    color: white;
    text-shadow: 2px 2px 6px rgba(0,0,0,0.3);
}
/* メガネUVカット情報カード */
.uv-glasses-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(4px, 0.8vh, 10px);
    background: rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(10px);
    padding: clamp(18px, 2.5vh, 35px) clamp(30px, 4vw, 60px);
    border-radius: 20px;
    border: 3px solid rgba(255, 255, 255, 0.5);
}
.uv-glasses-main {
    display: flex;
    align-items: center;
    gap: clamp(12px, 1.5vw, 24px);
}
.uv-glasses-icon {
    font-size: clamp(44px, 7vh, 70px);
}
.uv-glasses-headline {
    font-size: clamp(38px, 6vh, 55px);
    font-weight: 900;
    color: white;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
}
.uv-glasses-sub {
    font-size: clamp(28px, 4.5vh, 42px);
    font-weight: bold;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 2px 2px 6px rgba(0,0,0,0.2);
}

/* ========== 日光浴おすすめ画面 ========== */
.sun-exposure-screen {
    background: linear-gradient(135deg, #ff9f43 0%, #f0932b 50%, #e17055 100%);
}
.sun-exposure-screen.sun-rainy {
    background: linear-gradient(135deg, #636e72 0%, #74b9ff 50%, #a29bfe 100%);
}
.sun-exposure-screen.sun-winter {
    background: linear-gradient(135deg, #e17055 0%, #d63031 50%, #e84393 100%);
}
.sun-exposure-screen.sun-summer {
    background: linear-gradient(135deg, #ffeaa7 0%, #fdcb6e 50%, #f39c12 100%);
}
.sun-exposure-screen.active {
    display: flex;
}
.sun-exposure-content {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: clamp(20px, 3vh, 40px) clamp(40px, 5vw, 80px);
    gap: clamp(15px, 2vh, 30px);
}
.sun-exposure-header {
    text-align: center;
}
.sun-exposure-title {
    font-size: clamp(50px, 8vh, 80px);
    font-weight: bold;
    color: white;
    text-shadow: 3px 3px 10px rgba(0,0,0,0.3);
}
.sun-exposure-main {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.sun-exposure-time {
    font-size: clamp(140px, 22vh, 220px);
    font-weight: bold;
    color: white;
    line-height: 1.1;
    text-shadow: 4px 4px 15px rgba(0,0,0,0.3);
}
.sun-exposure-condition {
    font-size: clamp(36px, 6vh, 60px);
    font-weight: bold;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
    margin-top: clamp(5px, 1vh, 15px);
}
.sun-exposure-tips {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(15px, 2vw, 30px);
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    padding: clamp(20px, 3vh, 40px) clamp(40px, 5vw, 80px);
    border-radius: 24px;
    margin-top: clamp(10px, 1.5vh, 20px);
}
.sun-tip-icon {
    font-size: clamp(50px, 8vh, 80px);
}
.sun-tip-text {
    font-size: clamp(32px, 5vh, 52px);
    font-weight: bold;
    color: white;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
}
.sun-exposure-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(10px, 1.5vw, 20px);
    background: rgba(255, 255, 255, 0.2);
    padding: clamp(15px, 2.5vh, 30px) clamp(30px, 4vw, 60px);
    border-radius: 16px;
}
.sun-exposure-footer-icon {
    font-size: clamp(35px, 5vh, 55px);
}
.sun-exposure-footer-text {
    font-size: clamp(28px, 4.5vh, 45px);
    font-weight: bold;
    color: white;
    text-shadow: 2px 2px 6px rgba(0,0,0,0.3);
}

/* ========== 多言語グリッド画面（フラッシュ版） ========== */
.multilang-grid-screen {
    background-color: #000000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* 全画面フラッシュ用オーバーレイ */
.multilang-flash-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 215, 0, 1);
    opacity: 0;
    pointer-events: none;
    z-index: 1001;
}

.multilang-grid-screen.active .multilang-flash-overlay {
    animation: multilang-screen-flash 1.5s ease-in-out 11s;
}

@keyframes multilang-screen-flash {
    0% { opacity: 0; }
    40% { opacity: 0.35; }
    100% { opacity: 0; }
}

/* グリッドコンテナ */
.multilang-grid-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px 80px;
    width: 1750px;
    padding: 0 40px;
}

/* 各言語アイテム */
.multilang-item {
    text-align: center;
    padding: 15px 10px;
    opacity: 0;
}

.multilang-grid-screen.active .multilang-item {
    animation: multilang-fade-in 0.8s ease-out forwards;
}

/* 各言語が順番に出現するアニメーション */
@keyframes multilang-fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 各言語のディレイ（バラバラに出現・1秒〜10秒かけて） */
.multilang-grid-screen.active .multilang-item:nth-child(1) { animation-delay: 1.0s; }
.multilang-grid-screen.active .multilang-item:nth-child(2) { animation-delay: 3.0s; }
.multilang-grid-screen.active .multilang-item:nth-child(3) { animation-delay: 2.0s; }
.multilang-grid-screen.active .multilang-item:nth-child(4) { animation-delay: 4.0s; }
.multilang-grid-screen.active .multilang-item:nth-child(5) { animation-delay: 1.5s; }
.multilang-grid-screen.active .multilang-item:nth-child(6) { animation-delay: 5.0s; }
.multilang-grid-screen.active .multilang-item:nth-child(7) { animation-delay: 2.5s; }
.multilang-grid-screen.active .multilang-item:nth-child(9) { animation-delay: 3.5s; }
.multilang-grid-screen.active .multilang-item:nth-child(10) { animation-delay: 5.5s; }
.multilang-grid-screen.active .multilang-item:nth-child(11) { animation-delay: 4.5s; }
.multilang-grid-screen.active .multilang-item:nth-child(12) { animation-delay: 7.5s; }
.multilang-grid-screen.active .multilang-item:nth-child(13) { animation-delay: 6.0s; }
.multilang-grid-screen.active .multilang-item:nth-child(14) { animation-delay: 8.5s; }
.multilang-grid-screen.active .multilang-item:nth-child(15) { animation-delay: 7.0s; }
.multilang-grid-screen.active .multilang-item:nth-child(16) { animation-delay: 9.5s; }
.multilang-grid-screen.active .multilang-item:nth-child(17) { animation-delay: 8.0s; }
.multilang-grid-screen.active .multilang-item:nth-child(18) { animation-delay: 10.0s; }

.multilang-item .multilang-name {
    font-size: 2rem;
    display: block;
    margin-bottom: 10px;
    color: #FFFFFF;
}

.multilang-item .multilang-language {
    font-size: 1.5rem;
    color: #FFD700;
}

/* 中央の日本語タイトル */
.multilang-center-title {
    text-align: center;
    padding: 15px 10px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
}

.multilang-grid-screen.active .multilang-center-title {
    animation: multilang-fade-in-glow 1s ease-out forwards;
    animation-delay: 0s;
}

.multilang-center-title .multilang-center-name {
    font-size: 3rem;
    font-weight: bold;
    display: block;
    color: #FFD700;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.multilang-grid-screen.active .multilang-center-title .multilang-center-name {
    animation: multilang-gentle-glow 3s ease-in-out infinite, multilang-super-glow 2s ease-in-out 11.3s;
}

@keyframes multilang-fade-in-glow {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes multilang-gentle-glow {
    0%, 100% {
        text-shadow:
            0 0 10px rgba(255, 215, 0, 0.5),
            0 0 20px rgba(255, 215, 0, 0.3),
            0 0 30px rgba(255, 215, 0, 0.2);
    }
    50% {
        text-shadow:
            0 0 20px rgba(255, 215, 0, 0.8),
            0 0 40px rgba(255, 215, 0, 0.6),
            0 0 60px rgba(255, 215, 0, 0.4),
            0 0 80px rgba(255, 215, 0, 0.2);
    }
}

/* フラッシュ後の強発光アニメーション */
@keyframes multilang-super-glow {
    0% {
        text-shadow:
            0 0 10px rgba(255, 215, 0, 0.5),
            0 0 20px rgba(255, 215, 0, 0.3),
            0 0 30px rgba(255, 215, 0, 0.2);
    }
    40% {
        text-shadow:
            0 0 40px rgba(255, 215, 0, 1),
            0 0 80px rgba(255, 215, 0, 1),
            0 0 120px rgba(255, 215, 0, 0.9),
            0 0 180px rgba(255, 215, 0, 0.7),
            0 0 250px rgba(255, 215, 0, 0.5);
    }
    100% {
        text-shadow:
            0 0 10px rgba(255, 215, 0, 0.5),
            0 0 20px rgba(255, 215, 0, 0.3),
            0 0 30px rgba(255, 215, 0, 0.2);
    }
}

/* 多言語フォント指定 */
.font-playfair { font-family: 'Playfair Display', serif; }
.font-tc { font-family: 'Noto Serif TC', serif; }
.font-kr { font-family: 'Noto Serif KR', serif; }
.font-arabic { font-family: 'Noto Naskh Arabic', serif; }
.font-thai { font-family: 'Noto Serif Thai', serif; }
.font-hebrew { font-family: 'Noto Serif Hebrew', serif; }
.font-devanagari { font-family: 'Noto Serif Devanagari', serif; }
.font-myanmar { font-family: 'Noto Serif Myanmar', serif; }
.font-georgian { font-family: 'Noto Serif Georgian', serif; }
.font-bengali { font-family: 'Noto Serif Bengali', serif; }
.font-ethiopic { font-family: 'Noto Serif Ethiopic', serif; }
.font-sinhala { font-family: 'Noto Serif Sinhala', serif; }