/* ==========================================================================
   「わらびもちプルプル合体！」 スタイルシート
   ========================================================================== */

/* 変数定義（和風パステルカラー） */
:root {
    --color-bg: #fdfaf2;         /* 練り色 (生成り) */
    --color-primary: #e07a5f;    /* 桜色・朱色 */
    --color-secondary: #81b29a;  /* 抹茶色・青磁色 */
    --color-accent: #f2cc8f;     /* きな粉色・金平糖イエロー */
    --color-dark: #3d405b;       /* 黒豆色・濃紺 */
    --color-wood: #b58a63;       /* 木製棚の色 */
    --font-main: 'Zen Maru Gothic', sans-serif;
    --font-brush: 'Yuji Syuku', serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
    -webkit-user-select: none;
}

body, html {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: #1a1a1a;
    font-family: var(--font-main);
    color: var(--color-dark);
    display: flex;
    justify-content: center;
    align-items: center;
}

/* メインコンテナ (縦画面アスペクト比維持、上下に30pxずつのマージンを設ける) */
#app-container {
    position: relative;
    width: 100%;
    max-width: 480px;
    height: calc(100% - 60px); /* 上下30px（計60px）の余白を作る */
    margin: 30px auto;
    background-color: var(--color-bg);
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border-radius: 16px; /* スマホ風の角丸デザイン */
}

/* 和風背景パターン */
.japanese-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.08;
    background-image: radial-gradient(var(--color-dark) 1px, transparent 0),
                      radial-gradient(var(--color-dark) 1px, transparent 0);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
    pointer-events: none;
    z-index: 1;
}

/* 画面の基本設計 */
.screen {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%) scale(0.98);
    width: 100%;
    max-width: 480px;
    height: 100%;
    display: flex;
    flex-direction: column;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease, transform 0.4s ease;
    z-index: 2;
}

.screen.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) scale(1);
}

/* ==========================================================================
   1. タイトル画面
   ========================================================================== */
#screen-title {
    justify-content: space-around;
    align-items: center;
    padding: 40px 20px;
    text-align: center;
    background: radial-gradient(circle, #fcf8f2 60%, #f7eccd 100%);
}

.title-logo-container {
    margin-top: 20px;
}

.sub-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.1em;
}

.main-title {
    font-family: var(--font-brush);
    font-size: 2.8rem;
    line-height: 1.3;
    margin-top: 10px;
    color: var(--color-dark);
    text-shadow: 2px 2px 0px rgba(0,0,0,0.05);
}

.main-title .highlight {
    color: var(--color-primary);
    font-weight: 900;
    display: inline-block;
    animation: jelly 2s infinite ease-in-out;
}

.title-character-preview {
    width: 150px;
    height: 150px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

/* ぷるぷるわらびもちキャラのCSS版 */
.character-blob {
    width: 100px;
    height: 80px;
    background-color: #e6ccb2; /* きなこ色 */
    border: 3px solid var(--color-dark);
    border-radius: 60% 60% 40% 40% / 70% 70% 30% 30%;
    position: relative;
    box-shadow: inset -5px -5px 0px rgba(0,0,0,0.1), 0 5px 10px rgba(0,0,0,0.1);
}

.preview-warabi {
    background: #eed8b8;
}

/* ハチマキ */
.bandana {
    position: absolute;
    top: 15px;
    left: -5px;
    width: 110px;
    height: 12px;
    background-color: #2b5c8f; /* 和風ブルー */
    border: 2px solid var(--color-dark);
    border-radius: 6px;
    transform: rotate(-3deg);
}

.bandana::after {
    content: '';
    position: absolute;
    right: -2px;
    top: 8px;
    width: 10px;
    height: 15px;
    background-color: #2b5c8f;
    border: 2px solid var(--color-dark);
    border-radius: 3px;
    transform: rotate(30deg);
}

/* 顔のパーツ */
.face {
    position: absolute;
    top: 35px;
    left: 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.eyes {
    display: flex;
    justify-content: space-between;
    width: 45px;
}

.eyes::before, .eyes::after {
    content: '';
    width: 8px;
    height: 8px;
    background-color: var(--color-dark);
    border-radius: 50%;
}

.smile {
    width: 12px;
    height: 6px;
    border-bottom: 3px solid var(--color-dark);
    border-radius: 0 0 10px 10px;
    margin-top: 4px;
}

.pulsing {
    animation: jelly 2.5s infinite ease-in-out;
}

/* ==========================================================================
   ボタン関係
   ========================================================================== */
.menu-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 100%;
    max-width: 280px;
}

.btn {
    font-family: var(--font-main);
    font-size: 1.2rem;
    font-weight: 700;
    padding: 15px 25px;
    border: 3px solid var(--color-dark);
    border-radius: 30px;
    cursor: pointer;
    box-shadow: 0 6px 0 var(--color-dark);
    transition: all 0.1s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn:active {
    transform: translateY(6px);
    box-shadow: none;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-dark);
}

.btn-secondary {
    background-color: #ffffff;
    color: var(--color-dark);
}

.btn-gravity {
    background-color: var(--color-primary);
    color: white;
    border-radius: 15px;
    padding: 10px 15px;
    font-size: 1rem;
    box-shadow: 0 4px 0 var(--color-dark);
    white-space: nowrap;
}

.btn-gravity:active {
    transform: translateY(4px);
    box-shadow: none;
}

.btn-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--color-dark);
    background-color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    box-shadow: 0 3px 0 var(--color-dark);
}

.btn-icon:active {
    transform: translateY(3px);
    box-shadow: none;
}

/* ==========================================================================
   2. ゲーム（パズル）画面
   ========================================================================== */
#screen-game {
    background-color: var(--color-bg);
}

.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background-color: rgba(255, 255, 255, 0.7);
    border-bottom: 2px solid rgba(0,0,0,0.05);
    z-index: 10;
    flex-shrink: 0; /* 縮み防止 */
}

.score-display, .konpeito-display {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.score-display .label {
    font-size: 0.75rem;
    color: #888;
}

.score-display .value {
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--color-dark);
}

.konpeito-display {
    flex-direction: row;
    gap: 5px;
    background-color: white;
    padding: 4px 12px;
    border: 2px solid var(--color-dark);
    border-radius: 20px;
    font-weight: 900;
}

/* フィーバーゲージ */
.fever-gauge-container {
    display: flex;
    align-items: center;
    padding: 5px 15px;
    background-color: rgba(255, 255, 255, 0.5);
    border-bottom: 2px solid var(--color-dark);
    z-index: 10;
    gap: 10px;
    flex-shrink: 0; /* 縮み防止 */
}

.combo-counter {
    font-size: 0.9rem;
    font-weight: 900;
    white-space: nowrap;
    background-color: var(--color-primary);
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
}

.progress-bar-bg {
    flex-grow: 1;
    height: 14px;
    background-color: #e5e5e5;
    border: 2px solid var(--color-dark);
    border-radius: 8px;
    overflow: hidden;
}

.progress-bar-fill {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
    transition: width 0.2s ease;
}

.fever-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-dark);
}

/* パズルキャンバス容器 */
#canvas-container {
    flex-grow: 1;
    position: relative;
    width: 100%;
    background-color: #629c73; /* 畳の明るく彩度の高い若草緑に変更 */
    overflow: hidden;
    border-bottom: 3px solid var(--color-dark);
}

canvas {
    display: block;
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* 重力表示オーバーレイ */
#gravity-indicator {
    position: absolute;
    top: 15px;
    right: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.4); /* 不透明度を下げてプレイ画面を透過 */
    border: 2px solid rgba(61, 64, 91, 0.4);     /* 枠線も半透明に */
    padding: 8px;
    border-radius: 10px;
    pointer-events: none;
    z-index: 5;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.arrow-container {
    font-size: 1.2rem;
    color: var(--color-dark);
}

.gravity-text {
    font-size: 0.65rem;
    font-weight: 900;
    margin-top: 2px;
}

/* 重力回転方向クラス */
.gravity-down { transform: rotate(0deg); }
.gravity-left { transform: rotate(90deg); } /* 左向き（下向きを時計回りに90度） */
.gravity-up { transform: rotate(180deg); }
.gravity-right { transform: rotate(270deg); } /* 右向き（下向きを時計回りに270度） */

/* フィーバーオーバーレイ */
#fever-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 4;
    opacity: 0;
    transition: opacity 0.5s ease;
    box-shadow: inset 0 0 30px rgba(242, 204, 143, 0.6);
    background: radial-gradient(transparent 50%, rgba(242, 204, 143, 0.2) 100%);
}

#fever-overlay.active {
    opacity: 1;
    animation: pulse-border 1.5s infinite alternate;
}

/* 太鼓 / 提灯イベントトリガー */
#festival-event-trigger {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1);
    width: 120px;
    height: 120px;
    background-color: var(--color-primary);
    border: 5px solid var(--color-dark);
    border-radius: 50%;
    z-index: 8;
    cursor: pointer;
    box-shadow: 0 8px 16px rgba(0,0,0,0.3);
    display: flex;
    justify-content: center;
    align-items: center;
    animation: jelly 1s infinite alternate;
}

#festival-event-trigger.hidden {
    display: none !important;
}

.drum-inner {
    width: 95px;
    height: 95px;
    border: 4px dashed white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #b83b1d;
}

.drum-text {
    color: white;
    font-size: 1.4rem;
    font-weight: 900;
    font-family: var(--font-brush);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

/* ゲームフッター操作パネル */
.game-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background-color: #fdfaf2;
    border-top: 3px solid var(--color-dark);
    z-index: 10;
    height: 80px;
    flex-shrink: 0; /* 画面縦幅が狭くても絶対に潰れないようにする */
}

.next-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.next-preview .label {
    font-size: 0.75rem;
    color: #666;
    font-weight: 700;
}

#next-mochi-preview-box {
    width: 50px;
    height: 50px;
    border: 2px solid var(--color-dark);
    border-radius: 10px;
    background-color: var(--color-bg);
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 職人技フィードバック・カットイン */
#feedback-cutin {
    position: absolute;
    top: 40%;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 20;
    pointer-events: none;
}

#feedback-cutin.hidden {
    display: none;
}

.ink-splash {
    position: absolute;
    width: 250px;
    height: 120px;
    background: radial-gradient(ellipse, rgba(224, 122, 95, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.feedback-text {
    font-family: var(--font-brush);
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--color-primary);
    text-shadow: 2px 2px 0px white, -2px -2px 0px white, 2px -2px 0px white, -2px 2px 0px white, 4px 4px 15px rgba(0,0,0,0.2);
    animation: stamp-in 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

/* ゲームオーバー・ポップアップ */
.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(61, 64, 91, 0.85); /* 暗い背景 */
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.overlay.hidden {
    display: none !important;
}

.overlay-content {
    background-color: var(--color-bg);
    border: 4px solid var(--color-dark);
    border-radius: 20px;
    width: 85%;
    max-width: 380px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.overlay.active .overlay-content {
    transform: scale(1);
}

.ink-title {
    font-family: var(--font-brush);
    font-size: 2.2rem;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.game-over-stats {
    background-color: white;
    border: 2px solid var(--color-dark);
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 25px;
    text-align: left;
    font-weight: 700;
}

.game-over-stats p {
    margin: 8px 0;
    display: flex;
    justify-content: space-between;
}

.highlight-val {
    color: var(--color-primary);
    font-size: 1.2rem;
    font-weight: 900;
}

.overlay-content .btn {
    margin-top: 10px;
    width: 100%;
}

/* ==========================================================================
   3. ショーケース・デコレーション画面
   ========================================================================== */
#screen-showcase {
    background: radial-gradient(circle, #fbf7f0 60%, #eedebf 100%);
}

.showcase-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.8);
    border-bottom: 3px solid var(--color-dark);
    z-index: 10;
}

.showcase-header h2 {
    font-size: 1.2rem;
    font-weight: 900;
}

/* ショーケースビジュアルエリア */
.showcase-display-area {
    flex-grow: 1;
    position: relative;
    background-color: #fff8eb;
    background-size: cover;
    background-position: center;
    border-bottom: 3px solid var(--color-dark);
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    padding: 40px 20px;
    overflow: hidden;
}

/* ショーケースの棚 */
.showcase-shelf {
    position: relative;
    width: 100%;
    height: 100px;
}

.shelf-board {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 18px;
    background-color: var(--color-wood);
    border: 2px solid var(--color-dark);
    border-radius: 4px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.15);
}

.shelf-items {
    position: absolute;
    bottom: 18px;
    left: 5%;
    width: 90%;
    height: 80px;
    display: flex;
    justify-content: space-around;
    align-items: flex-end;
}

/* デコレイヤ（背景アニメーション等） */
.showcase-decorations {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

/* ショーケースタブ */
.showcase-tabs {
    display: flex;
    border-bottom: 2px solid var(--color-dark);
    background-color: white;
}

.tab-btn {
    flex: 1;
    padding: 12px;
    border: none;
    background: none;
    font-family: var(--font-main);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    color: #888;
    border-bottom: 4px solid transparent;
}

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* タブパネル */
.tab-panel {
    display: none;
    height: 180px;
    overflow-y: auto;
    background-color: white;
    padding: 15px;
}

.tab-panel.active {
    display: block;
}

/* 図鑑グリッド */
.encyclopedia-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.encyclopedia-item {
    border: 2px solid #ddd;
    border-radius: 12px;
    padding: 8px 4px;
    text-align: center;
    background-color: #fafafa;
    position: relative;
    cursor: pointer;
}

.encyclopedia-item.locked {
    filter: brightness(0.6) grayscale(0.8);
}

.encyclopedia-item .item-icon {
    width: 45px;
    height: 45px;
    margin: 0 auto;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

.encyclopedia-item.locked .item-icon::after {
    content: '❓';
    font-size: 1.2rem;
    line-height: 45px;
}

.encyclopedia-item .item-name {
    font-size: 0.65rem;
    font-weight: 700;
    margin-top: 5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* デコショップ */
.decor-shop-grid {
    display: flex;
    gap: 12px;
    padding-bottom: 5px;
    overflow-x: auto;
}

.decor-shop-item {
    flex: 0 0 100px;
    border: 2px solid var(--color-dark);
    border-radius: 12px;
    padding: 10px;
    text-align: center;
    background-color: #faf6eb;
    cursor: pointer;
    transition: transform 0.1s;
}

.decor-shop-item:active {
    transform: scale(0.95);
}

.decor-shop-item .decor-preview {
    font-size: 2.2rem;
    margin-bottom: 8px;
}

.decor-shop-item .decor-name {
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.decor-shop-item .decor-price {
    font-size: 0.8rem;
    font-weight: 900;
    color: var(--color-primary);
}

.decor-shop-item.purchased {
    background-color: #e2f0d9;
    border-color: #81b29a;
}

.decor-shop-item.equipped {
    background-color: var(--color-secondary);
    border-color: var(--color-dark);
    color: white;
}

/* ==========================================================================
   4. アニメーション定義
   ========================================================================== */
@keyframes jelly {
    0%, 100% { transform: scale(1, 1); }
    30% { transform: scale(1.15, 0.85); }
    50% { transform: scale(0.9, 1.1); }
    80% { transform: scale(1.05, 0.95); }
}

@keyframes pulse-border {
    0% { opacity: 0.4; }
    100% { opacity: 0.9; }
}

@keyframes stamp-in {
    0% { transform: scale(3); opacity: 0; }
    50% { transform: scale(0.95); opacity: 1; }
    75% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

/* 左右回転傾きアニメーション定義 */
@keyframes tilt-left-ani {
    0% { transform: perspective(600px) rotateY(0deg) skewY(0deg); }
    15% { transform: perspective(600px) rotateY(-8deg) skewY(-2deg); }
    70% { transform: perspective(600px) rotateY(2deg) skewY(0.5deg); }
    100% { transform: perspective(600px) rotateY(0deg) skewY(0deg); }
}

@keyframes tilt-right-ani {
    0% { transform: perspective(600px) rotateY(0deg) skewY(0deg); }
    15% { transform: perspective(600px) rotateY(8deg) skewY(2deg); }
    70% { transform: perspective(600px) rotateY(-2deg) skewY(-0.5deg); }
    100% { transform: perspective(600px) rotateY(0deg) skewY(0deg); }
}

/* 上下回転傾きアニメーション定義 */
@keyframes tilt-up-ani {
    0% { transform: perspective(600px) rotateX(0deg) skewX(0deg); }
    15% { transform: perspective(600px) rotateX(8deg) skewX(2deg); } /* 上側が手前に浮き上がり下側が奥へ（上から下への重力変化など） */
    70% { transform: perspective(600px) rotateX(-2deg) skewX(-0.5deg); }
    100% { transform: perspective(600px) rotateX(0deg) skewX(0deg); }
}

@keyframes tilt-down-ani {
    0% { transform: perspective(600px) rotateX(0deg) skewX(0deg); }
    15% { transform: perspective(600px) rotateX(-8deg) skewX(-2deg); } /* 下側が手前に浮き上がり上側が奥へ */
    70% { transform: perspective(600px) rotateX(2deg) skewX(0.5deg); }
    100% { transform: perspective(600px) rotateX(0deg) skewX(0deg); }
}

.tilt-left {
    animation: tilt-left-ani 0.7s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.tilt-right {
    animation: tilt-right-ani 0.7s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.tilt-up {
    animation: tilt-up-ani 0.7s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.tilt-down {
    animation: tilt-down-ani 0.7s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* プルプル合体時のエフェクトクラス */
.merge-pop {
    animation: jelly 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* レスポンシブ調整 */
@media (max-height: 650px) {
    #screen-title { padding: 20px 10px; }
    .main-title { font-size: 2.2rem; }
    .menu-buttons .btn { padding: 10px 20px; font-size: 1.1rem; }
    .showcase-display-area { padding: 20px 10px; }
    .showcase-shelf { height: 80px; }
}