/* ============================================================
   slider.css - 【完全版】枠サイズ論理最適化 ＋ 画像構図微調整
   ============================================================ */

/* --- スライダー外枠 --- */
.hero-slider {
    position: relative;
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
    background: #000;
    font-family: inherit;

    /* 以前の比率からヘッダー分(146px)を差し引いた高さを枠に設定 */
    height: calc(33.33vw - 146px);
    min-height: 350px; 
    margin-top: 0 !important; 
}

/* 幅 1403px ～ 1628px */
@media (min-width: 1403px) and (max-width: 1628px) {
    .hero-slider {
        height: calc(37vw - 146px);
    }
}

/* 幅 1400px 以下 */
@media (max-width: 1400px) {
    .hero-slider {
        height: calc(45.45vw - 146px);
    }
}

/* 幅 1100px 以下 */
@media (max-width: 1100px) {
    .hero-slider {
        height: calc(66.66vw - 146px);
    }
}

/* --- スライド本体 --- */
.hero-slider .slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1.5s ease-in-out, visibility 1.5s;
    z-index: 1;
}

.hero-slider .slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

/* --- 画像とズームアニメーション --- */
.hero-slider .slide-img {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.hero-slider .slide-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    
    /* 【修正】画像を「上に」持ち上げるため数値を大きく設定（65%）
       これにより、潜り込んでいた時と同じ「写真のやや下側」を中央に表示します */
    object-position: center 80%; 
    
    transform-origin: center center; 
    transform: scale(1);
    transition: transform 6s ease-in; 
}

.hero-slider .slide.active .slide-img img {
    transform: scale(1.08);
    transition: transform 8s ease-out;
}

/* --- テキスト装飾と浮き上がりアニメーション --- */
.slide-content {
    position: absolute;
    top: 50%;
    left: 8%;
    transform: translateY(-50%);
    color: #fff;
    z-index: 3;
    font-family: "Yu Mincho", "游明朝体", serif;
    text-shadow: 2px 2px 15px rgba(0,0,0,0.6), 0 0 5px rgba(0,0,0,0.3);
    padding: 20px;
    pointer-events: none;
}

.slide-subtitle {
    display: block;
    font-size: clamp(12px, 1.5vw, 16px);
    letter-spacing: 0.3em;
    margin-bottom: 15px;
    text-transform: uppercase;
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 1.2s ease 0.6s, transform 1.2s ease 0.6s;
    color: #fff;
    font-weight: 500;
}

.slide-title {
    display: block;
    font-size: clamp(20px, 4vw, 42px);
    line-height: 1.6;
    font-weight: bold;
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 1.2s ease 0.9s, transform 1.2s ease 0.9s;
}

.hero-slider .slide.active .slide-subtitle,
.hero-slider .slide.active .slide-title {
    opacity: 1;
    transform: translateY(0);
}

/* --- ナビゲーションエリア --- */
.slider-controls {
    position: absolute;
    bottom: 8%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: clamp(10px, 2vw, 25px);
    z-index: 10;
    background: rgba(0, 0, 0, 0.1); 
    padding: clamp(6px, 1vw, 12px) clamp(12px, 2vw, 24px);
    border-radius: 50px;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.2); 
    transition: background 0.3s ease;
}

.slider-controls:hover {
    background: rgba(0, 0, 0, 0.25);
}

.slider-prev, .slider-next {
    background: none;
    border: none;
    color: #fff; 
    font-size: clamp(16px, 2vw, 22px);
    cursor: pointer;
    padding: 0 5px;
    transition: opacity 0.3s ease;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-dots {
    display: flex;
    gap: clamp(8px, 1.2vw, 12px);
}

.dot-item {
    width: clamp(7px, 1vw, 10px);
    height: clamp(7px, 1vw, 10px);
    background: rgba(255, 255, 255, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.4); 
    border-radius: 50%;
    cursor: pointer;
    padding: 0;
    transition: all 0.3s ease;
}

.dot-item.active {
    background: #7a5a34;
    border-color: #7a5a34; 
    transform: scale(1.3);
    box-shadow: 0 0 8px rgba(122,90,52,0.6); 
}

/* --- プログレスバー --- */
.slider-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.2); 
    z-index: 4;
}

.progress-bar {
    width: 0%;
    height: 100%;
    background: #7a5a34; 
}

/* --- レスポンシブ対応 (SP) --- */
@media (max-width: 768px) {
    .hero-slider {
        height: calc(75vw - 60px);
        min-height: 300px;
    }
    .hero-slider .slide-img img {
        /* SPでも中心を少し上にずらしてバランスを調整 */
        object-position: center 80%; 
    }
    .slide-content {
        left: 0;
        width: 100%;
        text-align: center;
        padding: 0 20px;
    }
    .slide-title {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .slider-controls {
        bottom: 15px;
        padding: 5px 12px;
    }
}