/* 
   Uebu.Design Pixel Layout 
   Original Asset Based Remaster
*/

:root {
    --navy-center: #001d4a;
    --navy-edge: #000c1e;
    --grid-line: rgba(0, 150, 255, 0.12);
    --gold: #ff9b00;
    --font-pixel: 'DotGothic16', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    image-rendering: auto; /* Fallback */
    image-rendering: pixelated;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--navy-edge);
    font-family: var(--font-pixel);
    color: #fff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    overflow-x: hidden;
    padding-bottom: 50px;
}

/* --- Background Layers (Restored Original) --- */
.bg-lighting {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at 50% 50%, var(--navy-center) 0%, var(--navy-edge) 80%);
    z-index: -2;
}

.bg-grid-layer {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: 
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 32px 32px;
    z-index: -1;
}

/* --- Layout Container --- */
.app-container {
    width: 100%;
    padding: 2vw; /* スマホ・PCともに画面端からの余白を取る */
    display: flex;
    justify-content: center;
    z-index: 1;
}

/* --- Frame Navigation --- */
.frame-nav {
    position: absolute;
    top: -25px; /* フレームの肩の少し上の位置 */
    left: 0;
    width: 100%;
    z-index: 200;
    display: flex;
    justify-content: space-between;
    padding: 0 5px;
}

.nav-link {
    display: inline-block;
    color: #fff;
    text-decoration: none;
    font-size: 1.4rem;
    font-weight: bold;
    text-shadow: 2px 2px 0 #000;
    transition: all 0.2s ease;
    cursor: pointer;
    letter-spacing: 1px;
}

.nav-link:hover {
    color: var(--gold);
    transform: translateY(-2px) scale(1.1);
}

.nav-link:active {
    transform: translateY(1px) scale(0.95);
}

/* スマホ用のナビゲーション調整 */
@media (max-width: 600px) {
    .frame-nav {
        top: -20px;
        padding: 0 10px;
    }
    .nav-link {
        font-size: 0.9rem;
    }
}

/* --- 冒険の書フレーム（ピクセルアート風・純CSS） --- */
.adventure-log-frame {
    /* メインロゴの色をベースにしたカラーパレット */
    --color-lightblue: #2e90db;     /* 外側の枠色（少し暗く・細く） */
    --color-navy: #000c1e;          /* 内側の縁取り・背景 */
    --color-orange: #cc7a00;        /* アクセントカラー（少し暗く・太く） */
    
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 110px auto 40px; /* 上部にロゴがはみ出すスペースを確保 */
    
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 30px 40px; /* 四隅の装飾や枠線を避けて内側に余白 */
    
    /* ベース背景（グラデーションとグリッドと四隅のビス） */
    background-color: var(--color-navy);
    background-image: 
        /* 4隅のビス（オレンジのドットアイコンとして） */
        linear-gradient(var(--color-orange), var(--color-orange)),
        linear-gradient(var(--color-orange), var(--color-orange)),
        linear-gradient(var(--color-orange), var(--color-orange)),
        linear-gradient(var(--color-orange), var(--color-orange)),
        /* 透かしグリッド線 */
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px),
        /* 中央が明るいグラデーション */
        radial-gradient(circle at 50% 50%, var(--navy-center) 0%, var(--color-navy) 90%);
        
    /* ビスのサイズとグリッドのサイズ */
    background-size: 
        12px 12px, 12px 12px, 12px 12px, 12px 12px,
        32px 32px, 32px 32px,
        100% 100%;
        
    /* ビスの配置（角の枠線と枠線の間にピッタリ配置）とその他の配置 */
    /* 14pxは、外枠4px + 紺枠6px + 余白 の計算から良い位置を探したもの */
    background-position: 
        14px 14px, 
        calc(100% - 14px) 14px, 
        14px calc(100% - 14px), 
        calc(100% - 14px) calc(100% - 14px),
        0 0, 0 0, 0 0;
        
    background-repeat: 
        no-repeat, no-repeat, no-repeat, no-repeat, 
        repeat, repeat, 
        no-repeat;

    /* フレームのエッジ（RPGの多重ラインを再現） */
    border: 3px solid var(--color-lightblue); /* 一番外側の線（4pxから3pxに細く） */
    border-radius: 8px; /* 少しだけ丸みを持たせるのが最近のレトロスタイル */
    
    /* 複数の影を使って、内側の多層フレームと、外側のドロップシャドウをピクセル風に表現 */
    box-shadow: 
        inset 0 0 0 6px var(--color-navy),      /* 外から2番目：濃い紺の隙間 */
        inset 0 0 0 12px var(--color-orange),   /* 外から3番目：オレンジの枠線（10pxから12pxに太く） */
        inset 0 0 0 18px var(--color-navy),     /* 外から4番目：濃い紺の隙間2（16pxから18pxに太く） */
        0 8px 0 rgba(0, 0, 0, 0.5);             /* 外側の立体的な落ち影 */
        
    z-index: 1;
}

/* スマホ用のフレーム微調整 */
@media (max-width: 600px) {
    .adventure-log-frame {
        padding: 10px 15px 30px; 
        margin: 80px auto 20px;
        
        border-width: 3px;
        box-shadow: 
            inset 0 0 0 4px var(--color-navy),
            inset 0 0 0 7px var(--color-orange),
            inset 0 0 0 11px var(--color-navy),
            0 6px 0 rgba(0, 0, 0, 0.5);
            
        /* ビスの位置をスマホ向けに変更された枠線幅に合わせて内側へ */
        background-position: 
            9px 9px, 
            calc(100% - 9px) 9px, 
            9px calc(100% - 9px), 
            calc(100% - 9px) calc(100% - 9px),
            0 0, 0 0, 0 0;
            
        background-size: 
            8px 8px, 8px 8px, 8px 8px, 8px 8px,
            32px 32px, 32px 32px,
            100% 100%;
    }
}

.logo-side-image {
    width: 160px; 
    flex-shrink: 0;
    transform: translateY(100%); /* 今の配置の下部が上部になるように下へ移動 */
    position: relative; /* 子要素の絶対配置の基準にする */
}

/* Blinking Tag above side images */
.blinking-tag {
    position: absolute;
    bottom: 100%; /* アイコンの上に配置 */
    margin-bottom: 5px; 
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.2rem;
    color: #ff3e3e;
    font-weight: bold;
    text-shadow: 2px 2px 0 #fff;
    animation: blinkText 0.8s step-end infinite;
    white-space: nowrap; /* brタグでの改行のみを許可 */
    text-align: center;
    line-height: 1.2;
    z-index: 5;
}

@keyframes blinkText {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* --- Logo Area --- */
.logo-area {
    width: 100%;
    text-align: center;
    margin-bottom: 10px; 
    margin-top: -150px; /* 上部フレームに重なるよう位置を上げる（もう少し上に移動） */
    position: relative;
    z-index: 10;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px; /* 画像とロゴの間の余白 */
}

/* 添付画像のサイドエリア（PC版のみ左右に表示） */
.logo-side-image img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 10px rgba(0,0,0,0.5));
}

.logo-wrapper {
    display: block;
    position: relative;
    width: 90%;
    max-width: 400px;
}

.main-logo {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 10px rgba(0,0,0,0.5));
    transition: transform 0.3s ease;
    opacity: 0;
    animation: fadeInLogo 1.2s cubic-bezier(0.2, 0.8, 0.2, 1) forwards, pixelSparkle 3s steps(2, end) infinite 1.2s;
}
.main-logo:hover {
    transform: scale(1.02);
}

@keyframes fadeInLogo {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes pixelSparkle {
    0% { filter: drop-shadow(0 10px 10px rgba(0,0,0,0.5)) brightness(1); }
    10% { filter: drop-shadow(0 0 15px rgba(255, 255, 255, 0.6)) brightness(1.2) contrast(1.1); }
    20% { filter: drop-shadow(0 10px 10px rgba(0,0,0,0.5)) brightness(1); }
    60% { filter: drop-shadow(0 10px 10px rgba(0,0,0,0.5)) brightness(1); }
    70% { filter: drop-shadow(0 0 15px rgba(255, 155, 0, 0.6)) brightness(1.3); }
    80% { filter: drop-shadow(0 10px 10px rgba(0,0,0,0.5)) brightness(1); }
    100% { filter: drop-shadow(0 10px 10px rgba(0,0,0,0.5)) brightness(1); }
}

/* Pixel Art Stars */
.pixel-star {
    position: absolute;
    width: 6px;
    height: 6px;
    opacity: 0;
    z-index: 11;
    pointer-events: none;
}
.pixel-star.star-1 {
    top: 5%;
    left: 10%;
    background: #fff;
    box-shadow: -6px 0 0 #fff, 6px 0 0 #fff, 0 -6px 0 #fff, 0 6px 0 #fff;
    animation: starTwinkle 2.1s steps(2) infinite 1.5s;
}
.pixel-star.star-2 {
    bottom: 25%;
    right: 5%;
    background: var(--gold);
    box-shadow: -6px 0 0 var(--gold), 6px 0 0 var(--gold), 0 -6px 0 var(--gold), 0 6px 0 var(--gold);
    animation: starTwinkle 2.5s steps(2) infinite 2s;
}
.pixel-star.star-3 {
    top: 35%;
    right: 15%;
    background: var(--color-lightblue, #48b2ff);
    box-shadow: -6px 0 0 var(--color-lightblue, #48b2ff), 6px 0 0 var(--color-lightblue, #48b2ff), 0 -6px 0 var(--color-lightblue, #48b2ff), 0 6px 0 var(--color-lightblue, #48b2ff);
    animation: starTwinkle 2.3s steps(2) infinite 1.8s;
}

@keyframes starTwinkle {
    0%, 100% { opacity: 0; transform: scale(0.5); }
    10% { opacity: 1; transform: scale(1.2); }
    20% { opacity: 0; transform: scale(0.5); }
}

/* --- Menu Grid Layout --- */
.menu-layout {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    /* 隙間が広くなりすぎるのを防ぐため、gapを小さくしてキュッとさせる */
    gap: 15px 20px; 
    width: 100%;
    margin-bottom: 20px;
    position: relative;
    z-index: 10;
}

/* Panel Containers */
.pixel-panel {
    display: block;
    text-decoration: none;
    position: relative;
    transition: all 0.2s ease-in-out;
}

.panel-left, .panel-right {
    width: 380px;
    max-width: 100%;
}
.panel-center {
    width: 460px; /* 少し小さめに */
    max-width: 100%;
    /* 重なりを強くして密集感を出す */
    margin-top: -40px; 
    z-index: 5;
}

/* Explicit Image Settings */
.panel-image {
    width: 100%;
    height: auto;
    display: block;
    filter: drop-shadow(0 10px 15px rgba(0,0,0,0.6));
    transition: filter 0.2s, transform 0.2s;
}

/* Hover Interactivity */
.pixel-panel:hover {
    transform: translateY(-5px) scale(1.02);
    z-index: 10;
}
.pixel-panel:hover .panel-image {
    filter: drop-shadow(0 15px 25px rgba(0,0,0,0.9)) brightness(1.1);
}
.pixel-panel:active {
    transform: translateY(2px) scale(0.98);
}

/* --- Call To Action Button --- */
.cta-area {
    margin: 20px 0 10px; /* PC版でもQ&Aとの隙間を詰める */
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.cta-subtext-container {
    display: inline-block;
    position: relative;
    margin-top: 20px; /* PC版ではボタンのすぐ下に配置 */
}
.emphasis-tag {
    position: absolute;
    top: -22px;
    left: -35px;
    background-color: #e60000;
    color: #fff;
    font-size: 0.9rem;
    padding: 2px 8px;
    border: 2px solid #fff;
    box-shadow: 3px 3px 0 #000;
    transform: rotate(-12deg);
    z-index: 2;
    font-weight: bold;
    white-space: nowrap;
}
.cta-subtext {
    margin-top: 0;
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--gold);
    text-shadow: 1px 1px 0 #000;
}
.pixel-btn {
    display: inline-block;
    background-color: var(--navy-edge);
    color: #fff;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: bold;
    padding: 15px 40px;
    border: 4px solid #fff;
    box-shadow: 
        inset 0 0 0 4px #d45b00, /* Matching the orange border feel */
        4px 4px 0 #000,
        0 0 20px rgba(255,255,255,0.2);
    border-radius: 8px;
    text-shadow: 2px 2px 0 #000;
    transition: all 0.1s;
}
.pixel-btn:hover {
    background-color: #d45b00;
    border-color: var(--gold);
    transform: translateY(-2px);
    box-shadow: 
        inset 0 0 0 4px #ff9b00,
        6px 6px 0 #000,
        0 0 30px rgba(255, 255, 255, 0.4);
}
.pixel-btn:active {
    transform: translateY(2px);
    box-shadow: 
        inset 0 0 0 4px #ff9b00,
        2px 2px 0 #000;
}

/* --- Contact Area Bottom --- */
.bottom-content {
    margin-top: 30px;
    font-size: 1.1rem;
    color: var(--gold);
    text-shadow: 1px 1px 0 #000;
}
.bracket-text {
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 0.8;
}
.bracket {
    display: inline-block;
    width: 20px; height: 30px;
    border: 4px solid var(--gold);
}
.bracket:first-child { border-right: none; }
.bracket:last-child { border-left: none; }

/* --- SNS Links --- */
.contact-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
    flex-wrap: wrap;
    width: 100%;
}

.sns-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 30px;
    text-decoration: none;
    color: #fff;
    font-weight: bold;
    font-size: 1.2rem;
    border: 4px solid #fff;
    position: relative;
    transition: all 0.2s;
    /* 多重ボーダーでファミコン感を演出 */
    box-shadow: 
        0 0 0 4px var(--navy-edge),
        0 0 0 8px #fff,
        0 8px 0 rgba(0, 0, 0, 0.5);
    margin: 10px;
    border-radius: 4px;
}

.sns-btn:active {
    transform: translateY(4px);
    box-shadow: 
        0 0 0 4px var(--navy-edge),
        0 0 0 8px #fff,
        0 2px 0 rgba(0, 0, 0, 0.5);
}

.line-btn {
    background-color: #06C755;
    text-shadow: 2px 2px 0 #005a27;
}

.line-btn:hover {
    background-color: #07e664;
    border-color: #fff;
    box-shadow: 
        0 0 0 4px var(--navy-edge),
        0 0 0 8px var(--gold),
        0 12px 0 rgba(0, 0, 0, 0.6);
    transform: translateY(-4px);
}

.insta-btn {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    text-shadow: 2px 2px 0 #8a004d;
}

.insta-btn:hover {
    filter: brightness(1.1);
    box-shadow: 
        0 0 0 4px var(--navy-edge),
        0 0 0 8px var(--gold),
        0 12px 0 rgba(0, 0, 0, 0.6);
    transform: translateY(-4px);
}

.sns-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sns-icon svg {
    width: 100%;
    height: 100%;
    fill: #fff;
    filter: drop-shadow(2px 2px 0 rgba(0,0,0,0.3));
}

.sns-label {
    white-space: nowrap;
}

@media (max-width: 700px) {
    .contact-links {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    .sns-btn {
        width: 100%;
        max-width: 320px;
        justify-content: center;
    }
}

/* --- Q&A Section (RPG Style) --- */
.qa-section {
    width: 100%;
    max-width: 800px;
    margin: 0 auto 40px; /* 上部の余白を削除 */
    padding: 0 20px;
}

.qa-item {
    margin-bottom: 25px;
}

.qa-question {
    position: relative;
    background-color: var(--navy-edge);
    color: #fff;
    font-size: 1.2rem;
    padding: 15px 20px;
    border: 4px solid #fff;
    /* 多重ボーダーでファミコン感を演出 */
    box-shadow: 
        0 0 0 4px var(--navy-edge),
        0 0 0 8px #fff;
    margin: 10px; /* ボックスシャドウの分を確保 */
    cursor: pointer;
    transition: all 0.2s;
    user-select: none;
}

/* 吹き出しのしっぽ（ドット風） */
.qa-question::after {
    content: "";
    position: absolute;
    bottom: -16px;
    left: 40px;
    width: 12px;
    height: 12px;
    background-color: #fff;
    box-shadow: 
        -4px -4px 0 0 #fff,
        4px -4px 0 0 #fff,
        0 4px 0 0 #fff;
}

.qa-question:hover {
    background-color: #002d6a;
    transform: translateY(-2px);
}

.qa-item.active .qa-question {
    border-color: var(--gold);
    box-shadow: 
        0 0 0 4px var(--navy-edge),
        0 0 0 8px var(--gold);
}
.qa-item.active .qa-question::after {
    background-color: var(--gold);
    box-shadow: 
        -4px -4px 0 0 var(--gold),
        4px -4px 0 0 var(--gold),
        0 4px 0 0 var(--gold);
}

.qa-answer {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(0, 0, 0, 0.3);
    border-left: 4px solid var(--gold);
    margin: 20px 20px 20px 40px;
    padding: 0 20px;
    font-size: 1rem;
    line-height: 1.8;
    color: #e0e0e0;
}

.qa-item.active .qa-answer {
    max-height: 1500px; /* 内容に合わせて十分な高さを */
    opacity: 1;
    padding: 20px;
}

/* --- Profile Section --- */
.profile-section {
    width: 100%;
    max-width: 800px;
    margin: 60px auto 20px;
    padding: 0 20px;
}

.profile-card {
    background-color: var(--navy-edge);
    border: 4px solid #fff;
    padding: 30px;
    position: relative;
    box-shadow: 
        inset 0 0 0 4px #cc7a00, /* var(--color-orange) の色 */
        8px 8px 0 rgba(0,0,0,0.5);
    margin-top: 20px;
}

.profile-header {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
    align-items: center;
}

.profile-avatar {
    width: 100px;
    height: 100px;
    background-color: #001d4a; /* var(--navy-center) の色 */
    border: 4px solid #2e90db; /* var(--color-lightblue) の色 */
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
    font-size: 3rem;
    box-shadow: inset 6px 6px 0 rgba(0,0,0,0.3);
}

.profile-logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    image-rendering: auto;
    filter: drop-shadow(0 4px 4px rgba(0,0,0,0.3));
}

/* --- Footer --- */
.pixel-footer {
    width: 100%;
    text-align: center;
    padding: 40px 0 20px;
    margin-top: 20px;
    border-top: 2px solid rgba(255, 255, 255, 0.1);
}

.pixel-footer p {
    font-size: 0.9rem;
    color: var(--gold);
    opacity: 0.8;
    letter-spacing: 2px;
}

.profile-status {
    flex-grow: 1;
}

.representative-name {
    font-size: 1.8rem;
    color: var(--gold);
    margin-bottom: 5px;
    text-shadow: 2px 2px 0 #000;
}

.representative-role {
    font-size: 1rem;
    color: #fff;
    opacity: 0.8;
    margin-bottom: 20px;
}

.status-stats {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.stat-item {
    display: flex;
    gap: 15px;
    font-size: 1rem;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 5px;
}

.stat-label {
    color: #2e90db; /* var(--color-lightblue) の色 */
    font-weight: bold;
    width: 70px;
    letter-spacing: 1px;
}

.stat-value {
    color: #fff;
}

.profile-message-box {
    background: rgba(0, 0, 0, 0.4);
    border: 3px solid #fff;
    padding: 20px;
    position: relative;
    box-shadow: inset 4px 4px 0 rgba(0,0,0,0.2);
}

.profile-message {
    font-size: 1.1rem;
    line-height: 2;
    color: #e0e0e0;
    text-align: justify;
}

/* スマホ用プロフィール調整 */
@media (max-width: 700px) {
    .profile-header {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    .profile-avatar {
        width: 120px;
        height: 120px;
    }
    .stat-item {
        justify-content: center;
    }
    .stat-label {
        width: auto;
    }
    .profile-message {
        font-size: 1rem;
        line-height: 1.8;
    }
}

/* --- Portfolio Section --- */
.portfolio-section {
    width: 100%;
    max-width: 800px;
    margin: 40px auto 80px auto; /* Increased bottom margin */
    padding: 0 20px;
}

.portfolio-section .section-title {
    margin-bottom: 30px;
}

.portfolio-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.portfolio-card {
    display: flex;
    align-items: center;
    background-color: var(--navy-edge);
    border: 2px solid #fff;
    padding: 15px 20px;
    text-decoration: none;
    color: #fff;
    transition: all 0.2s;
    position: relative;
    box-shadow: 4px 4px 0 rgba(0,0,0,0.5);
}

.card-arrow {
    font-size: 1.2rem;
    color: var(--gold);
    margin-right: 15px;
    opacity: 0;
    transform: translateX(-5px);
    transition: all 0.2s;
}

.card-title {
    font-size: 1.1rem;
    flex: 1;
}

/* Hover Effects */
.portfolio-card:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--gold);
    transform: translateX(5px);
    box-shadow: 6px 6px 0 rgba(0,0,0,0.6);
}

.portfolio-card:hover .card-arrow {
    opacity: 1;
    transform: translateX(0);
    animation: cursorBlink 0.6s steps(2, start) infinite;
}

.portfolio-card:active {
    transform: translateX(2px) translateY(2px);
    box-shadow: 2px 2px 0 rgba(0,0,0,0.5);
}

@keyframes cursorBlink {
    to { visibility: hidden; }
}

/* Responsive adjustment for portfolio items */
@media (max-width: 600px) {
    .portfolio-card {
        padding: 12px 15px;
    }
    .card-title {
        font-size: 0.95rem;
    }
}

/* --- Floating Animations --- */
@keyframes hoverFloat {
    0% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
    100% { transform: translateY(0); }
}
.animation-float {
    animation: hoverFloat 6s ease-in-out infinite;
}
.animation-float-delayed {
    animation: hoverFloat 6s ease-in-out infinite 2s;
}
.animation-float-delayed2 {
    animation: hoverFloat 6s ease-in-out infinite 4s;
}

/* Stop animation on hover so it doesn't conflict with interaction */
.pixel-panel:hover {
    animation-play-state: paused;
}

/* --- Responsive Adjustments --- */
@media (max-width: 850px) {
    .logo-side-image {
        display: block;
        width: 18%; /* 比率で指定してはみ出しを防止 */
        max-width: 80px;
        transform: translateY(120%); /* 少し下に下げる調整（PC版は100%） */
    }
    .logo-area {
        margin-top: -115px;
        gap: 5px; /* 間隔を狭める */
    }
    .logo-wrapper {
        width: 55%;
    }
    .menu-layout {
        flex-direction: row;
        justify-content: center;
        gap: 8px 10px; /* PC版より狭める */
    }
    .panel-left, .panel-right {
        width: calc(50% - 10px); /* ギャップを考慮して収まるように */
    }
    .panel-center {
        width: 70%;
        margin-top: -20px;
        z-index: 5;
    }
    .cta-area {
        margin-bottom: 10px; /* スマホ版ではQ&Aとの隙間を詰める */
    }
    .cta-subtext-container {
        margin-top: 35px; /* ボタンとの距離を少し保ちつつQ&Aへ寄せる */
    }
    .qa-section {
        margin-top: 0; /* Q&A上部の余白を削除 */
    }
}

@media (max-width: 500px) {
    .logo-side-image {
        width: 15%;
    }
    .logo-wrapper {
        width: 65%;
    }
    .panel-left, .panel-right {
        width: calc(50% - 8px);
    }
    .panel-center {
        width: 85%;
        margin-top: -30px;
    }
    .pixel-btn {
        font-size: 1.1rem;
        padding: 10px 15px;
    }
}

/* --- Treasure Area (Easter Egg) --- */
.treasure-area {
    margin: 40px auto;
    text-align: center;
    position: relative;
    max-width: 600px;
    padding: 0 20px;
}

.chest-container {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 20px;
}

.chest {
    width: 60px;
    height: 60px;
    position: relative;
    cursor: pointer;
    transition: transform 0.2s;
    user-select: none;
    /* Basic pixel style shadow */
    filter: drop-shadow(4px 4px 0 rgba(0,0,0,0.5));
}

.chest:hover {
    transform: translateY(-5px);
}

.chest:active {
    transform: translateY(2px);
}

.chest-lid {
    position: absolute;
    top: 10px;
    left: 5px;
    width: 50px;
    height: 20px;
    background-color: #c97116;
    border: 4px solid #fff;
    border-radius: 8px 8px 0 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: bottom center;
    box-shadow: inset 0 -4px 0 rgba(0,0,0,0.2);
}

.chest-base {
    position: absolute;
    bottom: 10px;
    left: 5px;
    width: 50px;
    height: 20px;
    background-color: #a85d12;
    border: 4px solid #fff;
    border-top: none;
    box-shadow: inset 0 -4px 0 rgba(0,0,0,0.2);
}

.chest-lock {
    position: absolute;
    top: 25px;
    left: 25px;
    width: 10px;
    height: 10px;
    background-color: #ffcc00;
    border: 2px solid #000;
    transition: opacity 0.3s;
}

/* Chest States */
.chest.open .chest-lid {
    transform: rotateX(180deg) translateY(-20px);
    opacity: 0;
}

.chest.open .chest-lock {
    opacity: 0;
}

.chest.open::after {
    content: "✨";
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 1.5rem;
    animation: floatItem 1s ease-out forwards;
}

/* Shake Animation for Sturdy Chest */
.chest.shake {
    animation: chestShake 0.3s ease-in-out;
}

@keyframes chestShake {
    0% { transform: translateX(0); }
    25% { transform: translateX(-5px) rotate(-5deg); }
    50% { transform: translateX(5px) rotate(5deg); }
    75% { transform: translateX(-5px) rotate(-5deg); }
    100% { transform: translateX(0); }
}

/* Float item animation */
@keyframes floatItem {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(-30px); opacity: 0; }
}

/* Mimic Reveal State */
.chest.mimic-revealed .chest-lid {
    transform: rotateX(45deg);
    background-color: #800000;
    border-color: #ff0000;
}

.chest.mimic-revealed .chest-base {
    background-color: #4d0000;
    border-color: #ff0000;
}

.chest.mimic-revealed .chest-lock {
    background-color: #fff;
    border-color: #000;
    width: 14px;
    height: 6px;
    top: 28px;
    left: 23px;
    /* Looks like teeth */
    box-shadow: inset 0 -3px 0 #000, 0 6px 0 #fff, 0 6px 0 inset #000;
}

.chest.mimic-revealed::after {
    content: "👁️";
    position: absolute;
    top: 15px;
    left: 20px;
    font-size: 1.2rem;
    z-index: 2;
    animation: none;
}

/* Image Chest Styles */
.img-chest .chest-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    image-rendering: pixelated;
}
.img-chest.open .closed-img,
.img-chest.mimic-revealed .closed-img {
    display: none;
}
.img-chest.open .open-img,
.img-chest.mimic-revealed .open-img {
    display: block !important;
}
.img-chest.mimic-revealed::after {
    display: none !important; /* Hide the CSS eye emoji for the image mimic chest */
}

/* Message Box */
.treasure-message-box {
    background-color: #000;
    border: 4px solid #fff;
    padding: 15px 20px;
    border-radius: 4px;
    box-shadow: 
        0 0 0 4px #000,
        0 0 0 8px #fff,
        0 8px 0 rgba(0,0,0,0.5);
    margin-top: 0;
    display: none;
    min-width: 250px;
    max-width: 90vw;
    animation: fadeInMessage 0.3s ease-out forwards;
    position: absolute;
    z-index: 1000;
    transform: translateX(-50%);
    cursor: pointer;
}

.treasure-text {
    font-size: 1.2rem;
    color: #fff;
    text-shadow: 2px 2px 0 #000;
    margin: 0;
    text-align: left;
}

@keyframes fadeInMessage {
    from { opacity: 0; transform: translate(-50%, 10px); }
    to { opacity: 1; transform: translate(-50%, 0); }
}

@media (max-width: 600px) {
    .chest-container {
        gap: 20px;
    }
    .treasure-text {
        font-size: 1rem;
    }
}

/* --- Chest Layout Adjustments --- */
.panel-center-wrapper {
    display: flex;
    align-items: flex-end; /* Align bottom to match panel */
    justify-content: center;
    gap: 15px;
    width: 100%;
    margin-top: -40px; /* Preserve the overlapping effect of the center panel */
    z-index: 5;
}

.panel-center-wrapper .panel-center {
    margin-top: 0; /* Remove negative margin on the child, handled by layout if needed */
}

/* Make face-left flip horizontally so it faces inward */
.face-left {
    transform: scaleX(-1);
}

.chest-portfolio {
    position: absolute;
    right: 30px;
    bottom: -80px; /* Move further down to avoid overlapping */
    z-index: 10;
}

@media (max-width: 900px) {
    .chest-portfolio {
        right: 20px;
        bottom: -70px;
    }
}

/* --- Back to Top Button --- */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: auto;
    z-index: 1000;
    opacity: 0.6;
    transition: opacity 0.3s, transform 0.3s;
    display: none; /* Hidden by default via JS */
}

.back-to-top:hover {
    opacity: 1;
    transform: scale(1.1);
}

.back-to-top img {
    width: 100%;
    height: auto;
    object-fit: contain;
    image-rendering: pixelated;
    filter: drop-shadow(2px 2px 0 #000);
}

@media (max-width: 600px) {
    .back-to-top {
        width: 45px;
        bottom: 15px;
        right: 15px;
    }
}

@media (max-width: 700px) {
    .panel-center-wrapper {
        margin-top: -20px;
        flex-direction: column-reverse; /* Put chest below the panel on small screens */
        align-items: center;
        gap: 5px;
    }
}

@media (max-width: 500px) {
    .panel-center-wrapper {
        margin-top: -30px;
    }
}