/* ==========================================
   1. 全体設定 & 変数
   ========================================== */
:root {
    --sumo-purple: #4a2569; 
    --accent-color: #e67e22; 
    --pattern-color: rgba(74, 37, 105, 0.06); 
    
    --text-main: #333333;
    --text-light: #7f8c8d;
    --card-bg: #ffffff;
    --skin-base: #ffd6b0;
    --hair-color: #2b1f1a;
    --mawashi-color: #4a2569;
    
    --dohyo-sand: #e4d5b7;
    --dohyo-straw: #8b4513;
    --dohyo-earth: #c5a368;

    --sumo-font: 'Noto Serif JP', 'HG正楷書体-PRO', 'Yu Mincho', 'Hiragino Mincho ProN', serif;
}

body {
    font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    color: var(--text-main);
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: #f7f5fa; 
    background-image: radial-gradient(circle at 100% 150%, var(--pattern-color) 24%, white 25%, white 28%, var(--pattern-color) 29%, var(--pattern-color) 36%, white 36%, white 40%, transparent 40%, transparent), radial-gradient(circle at 0 150%, var(--pattern-color) 24%, white 25%, white 28%, var(--pattern-color) 29%, var(--pattern-color) 36%, white 36%, white 40%, transparent 40%, transparent);
    background-size: 100px 50px;
    background-attachment: fixed;
    overflow-x: hidden;
}

/* 画面全体の振動 */
.shake-screen { animation: screen-shake 0.3s ease-in-out; }
@keyframes screen-shake {
    0% { transform: translate(0, 0); }
    20% { transform: translate(-8px, 12px); }
    40% { transform: translate(8px, -12px); }
    100% { transform: translate(0, 0); }
}

/* ==========================================
   2. レイアウト（ヘッダー・メイン）
   ========================================== */
.hero {
    background-color: var(--sumo-purple); 
    text-align: center;
    padding: 20px 20px; 
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    position: relative;
    z-index: 10;
}

.hero h1 { 
    margin: 0; 
    font-family: var(--sumo-font); 
    font-weight: 900;
    font-size: 2.2rem; 
    letter-spacing: 2px; 
    color: #ffffff; 
}

.hero p { 
    font-family: var(--sumo-font);
    font-weight: 900;
    font-size: 1.1rem; 
    margin-top: 5px; 
    color: #e0dced; 
}

.main-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-grow: 1;
    padding: 40px 20px;
}

/* --- 土俵風スライド枠 --- */
.dohyo-frame {
    background-color: var(--dohyo-sand);
    border: 12px double var(--dohyo-straw);
    border-radius: 20px;
    padding: 15px;
    box-shadow: inset 0 0 50px rgba(0,0,0,0.1), 0 10px 25px rgba(0,0,0,0.2);
}

#slider-container {
    width: 100%;
    max-width: 850px;
    height: 490px; 
    position: relative;
}

.slide { display: none; width: 100%; position: absolute; top: 0; left: 0; opacity: 0; }
.slide.active { display: block; opacity: 1; }

.section-title {
    text-align: center;
    font-family: var(--sumo-font); 
    font-weight: 900;
    font-size: 2rem;
    color: var(--sumo-purple);
    margin-bottom: 20px;
}

.section-title::after {
    content: '';
    width: 50px;
    height: 3px;
    background-color: var(--accent-color);
    display: block;
    margin: 10px auto 0;
    border-radius: 2px;
}

/* -------------------------------------------
   カードデザイン（ベース）
   ------------------------------------------- */
.content-card {
    background: var(--card-bg);
    border-radius: 8px;
    height: 520px; 
    box-sizing: border-box;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.05);
    border-top: 8px solid var(--sumo-purple); 
}

.profile-info-box {
    background: #faf7f2; 
    border-radius: 8px;
    border-left: 5px solid var(--accent-color); 
}

.highlight-title { 
    font-family: var(--sumo-font); 
    font-weight: 900;
    color: var(--accent-color); 
    display: flex; 
    align-items: center; 
}
.highlight-title::before { content: "■"; margin-right: 8px; font-size: 1rem; }

/* リストデザイン */
ul.custom-list { list-style: none; padding: 0; margin: 0; }
ul.custom-list li { position: relative; padding-left: 20px; }
ul.custom-list li::before { content: "・"; color: var(--sumo-purple); position: absolute; left: 0; font-weight: bold; }


/* ==========================================
   3. 各スライドのレイアウト・余白微調整
   （スクロールしないギリギリの広め設定）
   ========================================== */

/* ①プロフィールスライド */
.slide#slide-profile .content-card { padding: 30px 40px; overflow-y: auto; }
.slide#slide-profile .profile-info-box { padding: 35px 40px; margin-top: 10px; }
.slide#slide-profile ul.custom-list li { margin-bottom: 22px; line-height: 1.8; font-size: 1.05rem; }
.slide#slide-profile ul.custom-list li:last-child { margin-bottom: 0; }

/* ②趣味・目標スライド */
#slide-hobbies .content-card { display: flex; justify-content: space-between; align-items: stretch; padding: 0; }
#slide-hobbies .hobbies-text-area { flex: 1; padding: 25px 20px 25px 40px; overflow-y: auto; }
#slide-hobbies .profile-info-box { padding: 20px 25px; margin-top: 10px; }
#slide-hobbies .highlight-title { font-size: 1.15rem; margin: 0 0 5px 0; }
#slide-hobbies p { margin-top: 0; margin-bottom: 16px; line-height: 1.6; font-size: 0.95rem; }
#slide-hobbies p:last-child { margin-bottom: 0; }

/* 画像スライドショーエリア */
.travel-slideshow-area { flex: 1; height: 100%; position: relative; background: #e9ecef; }
.travel-photo { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 1s ease-in-out; }
.travel-photo.active { opacity: 1; }

/* ③研究スライド */
.slide#slide-research .content-card { padding: 25px 40px; overflow-y: auto; }
.slide#slide-research .profile-info-box { padding: 30px 40px; margin-top: 10px; }
.slide#slide-research .highlight-title { font-size: 1.3rem; margin: 15px 0 8px 0; }
.slide#slide-research .highlight-title:first-child { margin-top: 0; }
.slide#slide-research p { margin-top: 0; margin-bottom: 20px; line-height: 1.8; } 
.slide#slide-research ul.custom-list li { margin-bottom: 0; line-height: 1.6; }
.slide#slide-research br { display: none; }


/* ==========================================
   4. ナビゲーションパネル（土俵台座風）
   ========================================== */
.dohyo-base {
    background: linear-gradient(to bottom, var(--dohyo-earth), #a38554) !important;
    border: 4px solid var(--dohyo-straw);
    box-shadow: 0 10px 0 #705836, 0 15px 20px rgba(0,0,0,0.3) !important;
}

.navigation-panel {
    padding: 20px 50px;
    border-radius: 100px;
    margin-top: 40px;
    display: flex;
    align-items: center;
    gap: 50px;
}

.morishio-btn { background: none; border: none; cursor: pointer; display: flex; flex-direction: column; align-items: center; outline: none; transition: transform 0.2s; }
.morishio-btn:hover { transform: scale(1.1); }
.morishio-art { position: relative; width: 50px; height: 50px; margin-bottom: 5px; }
.morishio-dish { position: absolute; bottom: 5px; left: 5px; width: 40px; height: 12px; background: #dcdde1; border: 2px solid #7f8fa6; border-radius: 50%; z-index: 1; }
.morishio-cone { position: absolute; bottom: 12px; left: 10px; width: 0; height: 0; border-left: 15px solid transparent; border-right: 15px solid transparent; border-bottom: 30px solid #ffffff; z-index: 2; }
.btn-text { font-family: var(--sumo-font); font-size: 1rem; font-weight: 900; color: #fff; text-shadow: 1px 1px 2px rgba(0,0,0,0.5); }
.btn-subtext { font-size: 0.7rem; color: #f0f0f0; }

/* 力士CSSアート */
.sumo-wrapper { position: relative; width: 140px; height: 120px; z-index: 5; transition: transform 0.2s; }
.s-mage { position: absolute; top: 0; left: 60px; width: 20px; height: 25px; background: var(--hair-color); border-radius: 10px 10px 0 0; z-index: 1; border: 2px solid var(--hair-color); box-sizing: border-box; }
.s-hair-base { position: absolute; top: 15px; left: 45px; width: 50px; height: 25px; background: var(--hair-color); border-radius: 25px 25px 0 0; z-index: 3; border: 2px solid var(--hair-color); box-sizing: border-box; }
.s-head { position: absolute; top: 20px; left: 40px; width: 60px; height: 55px; background: var(--skin-base); border-radius: 50%; z-index: 4; border: 2px solid var(--hair-color); box-sizing: border-box; }
.s-body { position: absolute; top: 50px; left: 25px; width: 90px; height: 60px; background: var(--skin-base); border-radius: 45% 45% 35% 35%; z-index: 3; border: 2px solid var(--hair-color); box-sizing: border-box; }
.s-mawashi { position: absolute; top: 85px; left: 30px; width: 80px; height: 30px; background: var(--mawashi-color); border-radius: 5px 5px 25px 25px; z-index: 5; overflow: hidden; border: 2px solid var(--hair-color); box-sizing: border-box; }
.s-mawashi-belt { position: absolute; top: -5px; left: 0; width: 100%; height: 15px; background: #ffffff; border-bottom: 1px solid #dcdde1; border-radius: 50%; }
.s-shide-container { position: absolute; top: 5px; left: 0; width: 100%; height: 25px; display: flex; justify-content: space-evenly; }
.s-shide { width: 8px; height: 20px; background: #ffffff; clip-path: polygon(0 0, 100% 0, 100% 30%, 50% 50%, 100% 70%, 50% 100%, 0 80%, 50% 60%, 0 40%); }
.s-arm-l { position: absolute; top: 25px; left: 15px; width: 25px; height: 45px; background: var(--skin-base); border-radius: 15px; transform: rotate(-45deg); z-index: 2; border: 2px solid var(--hair-color); box-sizing: border-box; }
.s-arm-r { position: absolute; top: 25px; right: 15px; width: 25px; height: 45px; background: var(--skin-base); border-radius: 15px; transform: rotate(45deg); z-index: 2; border: 2px solid var(--hair-color); box-sizing: border-box; }
.s-leg-l { position: absolute; top: 75px; left: 15px; width: 35px; height: 50px; background: var(--skin-base); border-radius: 15px; transform: rotate(30deg); z-index: 2; transform-origin: top center; border: 2px solid var(--hair-color); box-sizing: border-box; }
.s-leg-r { position: absolute; top: 75px; right: 15px; width: 35px; height: 50px; background: var(--skin-base); border-radius: 15px; transform: rotate(-30deg); z-index: 2; transform-origin: top center; border: 2px solid var(--hair-color); box-sizing: border-box; }

/* 四股アニメーション */
.stomping-left { animation: stomp-move-left 0.7s ease-in-out forwards; }
@keyframes stomp-move-left { 30%, 60% { transform: translate(-10px, -15px) rotate(-10deg); } 70% { transform: translate(0, 0) rotate(2deg); } }
.stomping-left .s-leg-l { animation: leg-lift-left 0.7s ease-in-out forwards; }
@keyframes leg-lift-left { 30%, 60% { transform: translateY(-15px) rotate(50deg); } }

.stomping-right { animation: stomp-move-right 0.7s ease-in-out forwards; }
@keyframes stomp-move-right { 30%, 60% { transform: translate(10px, -15px) rotate(10deg); } 70% { transform: translate(0, 0) rotate(-2deg); } }
.stomping-right .s-leg-r { animation: leg-lift-right 0.7s ease-in-out forwards; }
@keyframes leg-lift-right { 30%, 60% { transform: translateY(-15px) rotate(-50deg); } }

/* ==========================================
   5. スライドトランジション（アニメーション）
   ========================================== */
@keyframes slideInFromLeft { from { transform: translateX(-100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes slideOutToRight { from { transform: translateX(0); opacity: 1; } to { transform: translateX(100%); opacity: 0; } }
@keyframes slideInFromRight { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes slideOutToLeft { from { transform: translateX(0); opacity: 1; } to { transform: translateX(-100%); opacity: 0; } }
.slide-in-left { display: block; animation: slideInFromLeft 0.4s ease-in-out forwards; }
.slide-out-right { display: block; animation: slideOutToRight 0.4s ease-in-out forwards; }
.slide-in-right { display: block; animation: slideInFromRight 0.4s ease-in-out forwards; }
.slide-out-left { display: block; animation: slideOutToLeft 0.4s ease-in-out forwards; }

/* フッターデザイン */
footer { 
    text-align: center; 
    padding: 20px; 
    background-color: var(--sumo-purple); 
    font-family: var(--sumo-font);
    color: #ffffff; 
    margin-top: auto; 
}