:root { --bg-color: #0b0b0b; --accent-color: #ffffff; --menu-bg: #161616; --menu-width: 280px; --transition-speed: 0.6s cubic-bezier(0.25, 1, 0.5, 1); }
body { margin: 0; padding: 0; background-color: #000; color: var(--accent-color); font-family: "Helvetica Neue", Arial, sans-serif; overflow-x: hidden; }
#wrapper { transition: transform var(--transition-speed), filter var(--transition-speed), border-radius var(--transition-speed); width: 100%; min-height: 100vh; position: relative; background-color: var(--bg-color); z-index: 1; transform-origin: left center; }
body.menu-open #wrapper { transform: translateX(100px) scale(0.95); filter: brightness(0.5); border-radius: 20px; pointer-events: none; }
header { position: absolute; top: 0; width: 100%; padding: 32px; z-index: 1000; text-align: center; pointer-events: none; }
.logo { font-size: 1.2rem; letter-spacing: 0.5em; font-weight: 200; pointer-events: auto; text-decoration: none; color: white; }
.hero { position: relative; width: 100%; height: 100vh; background: #000; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.hero-img-container { position: absolute; top: 0; left: 0; width: 100%; height: 120%; will-change: transform; }
.hero img { width: 100%; height: 100%; object-fit: cover; opacity: 0.6; }
.container { padding: 150px 0; max-width: 900px; margin: 0 auto; }
.photo-section { 
    margin-bottom: 30px; 
    padding: 15px; 
    opacity: 0; 
    transform: translateY(40px); 
    position: relative;
    background: transparent; 
    border: 1px solid transparent; 
    border-radius: 2px; 
    cursor: pointer; 
    transition: all 0.6s ease; 
}

.photo-section.is-visible { opacity: 1; transform: translateY(0); }

.photo-section:hover { 
    border: 1px solid rgba(255, 255, 255, 0.08); 
    background: rgba(255, 255, 255, 0.015); 
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
    transform: translateY(-5px);
}

/* --- Photo Card (Hardware Acceleration & Protection) --- */
.photo-card { 
    position: relative; 
    width: 100%; 
    overflow: hidden; 
    background: #151515; 
    /* GPUレンダリングを強制 */
    transform: translateZ(0);
    will-change: transform, filter;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

/* 擬似的な保護オーバーレイ（GPU計算を発生させる） */
.photo-card::after {
    content: "";
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(255, 255, 255, 0.001); 
    pointer-events: none;
    backdrop-filter: contrast(100.1%); 
    z-index: 2;
}

.photo-card img { 
    width: 100%; height: auto; display: block; 
    filter: grayscale(20%); 
    transition: 1.2s cubic-bezier(0.2, 1, 0.2, 1); 
    /* 画像そのものにもGPU処理を割り当て */
    perspective: 1000px;
}

/* ホバー時の挙動 */
.photo-section:hover .photo-card img { 
    filter: grayscale(0%) brightness(1.05); 
    transform: scale(1.02); 
}

/* 復刻：EXIFスタイル（縦並び） */
.exif-footer { margin-top: 20px; opacity: 0; transition: 0.5s ease; text-align: left; }
.photo-section:hover .exif-footer { opacity: 0.8; }
.camera-model { display: block; font-size: 0.8rem; letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 5px; color: #fff; }
.lens-model { display: block; font-size: 0.7rem; color: #888; margin-bottom: 5px; letter-spacing: 0.1em; }
.exif-data { font-size: 0.7rem; font-family: 'Courier New', monospace; color: #aaa; letter-spacing: 0.1em; }

.profile-btn-wrap { text-align: center; margin: 100px 0 150px; }
.profile-link { display: inline-block; padding: 18px 60px; color: #fff; text-decoration: none; font-size: 0.8rem; letter-spacing: 0.3em; border: 1px solid rgba(255,255,255,0.1); background: rgba(255,255,255,0.02); transition: 0.6s; }
.profile-link:hover { background: #fff; color: #000; transform: translateY(-5px); }
.cookie-popup {
    position: fixed; bottom: 30px; right: 30px; width: 320px;
    background: rgba(18, 18, 18, 0.98); border: 1px solid rgb(255, 255, 255);
    padding: 25px; z-index: 5000; border-radius: 4px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.6);
    opacity: 0; transform: translateY(20px); transition: 0.6s var(--transition-speed);
    pointer-events: none;
}
.cookie-popup.show { opacity: 1; transform: translateY(0); pointer-events: auto; }

.cookie-text { 
    font-size: 0.85rem; /* サイズアップ */
    color: #ffffff; 
    letter-spacing: 0.03em; 
    line-height: 1.7; 
    margin-bottom: 0;
    padding-right: 20px; /* バツボタンとの干渉防止 */
}

.cookie-close-btn {
    position: absolute; top: 15px; right: 15px; width: 24px; height: 24px;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,0.05); border-radius: 50%; /* ボタンを分かりやすく */
}
.cookie-close-btn::before, .cookie-close-btn::after {
    content: ""; position: absolute; width: 12px; height: 1.5px; background: #888; transition: 0.3s;
}
.cookie-close-btn::before { transform: rotate(45deg); }
.cookie-close-btn::after { transform: rotate(-45deg); }
.cookie-close-btn:hover::before, .cookie-close-btn:hover::after { background: #fff; }

@media (max-width: 768px) {
    html, body {
        overflow-x: hidden; /* 横スクロールを物理的に禁止 */
        width: 100%;
        position: relative;
    }

    #wrapper {
        width: 100vw; /* 画面幅をビューポートに固定 */
        overflow-x: hidden;
    }

    .container {
        width: 100%;
        padding-left: 20px;  /* 左右に安全なマージンを確保 */
        padding-right: 20px;
        box-sizing: border-box; /* paddingを幅に含める設定 */
    }

    .photo-section {
        width: 100%;
        margin-left: 0;
        margin-right: 0;
        box-sizing: border-box;
    }

    body.menu-open #wrapper {
        transform: translateX(80px) scale(0.9); /* 移動量を少し抑えて画面外への突き抜けを防止 */
    }
}

.photo-card {
    position: relative;
    min-height: 400px; /* 読み込み前の高さ確保 */
    background: #111;
}

.photo-card::before {
    content: "LOADING...";
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    color: #444;
    font-family: 'Courier New', monospace;
    z-index: 1;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { opacity: 0.3; }
    50% { opacity: 1; }
    100% { opacity: 0.3; }
}

.exif-img {
    opacity: 0;
    transition: opacity 1.5s ease !important; /* ロード完了後にフワッと出す */
}

.exif-img.loaded {
    opacity: 1;
}

.photo-card.loaded::before {
    display: none;
}

body {
  -webkit-user-select: none; /* テキスト選択不可 */
  -webkit-touch-callout: none; /* 長押しメニュー不可 */
}