:root {
    --main-moss: #047373;
    --sub-mocha: #AB7464;
    --bg-light: #f8fafa;
    --card-white: #ffffff;
    --text-dark: #1a2a2a;
    --text-sub: #5a6a6a;
    --border-color: #e0e6e6;
}

#exercise-ai-container {
    background: var(--bg-light);
    color: var(--text-dark);
    padding: 60px 40px;
    border-radius: 30px;
    font-family: 'Noto Sans JP', sans-serif;
    max-width: 800px;
    margin: 40px auto; 
    box-shadow: 0 40px 100px rgba(4, 115, 115, 0.08);
    display: flex;
    flex-direction: column; 
}

.schimmer-title {
    font-family: 'Playfair Display', serif;
    font-size: 3.5rem;
    color: var(--main-moss);
    text-align: center;
    margin-bottom: 0;
    letter-spacing: -1px;
}

.schimmer-subtitle {
    text-align: center;
    color: var(--sub-mocha);
    letter-spacing: 5px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 50px;
    text-transform: uppercase;
}

.input-group {
    background: var(--card-white);
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    border: 1px solid var(--border-color);
}

.input-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

label { 
    color: var(--main-moss); 
    font-size: 0.8rem; 
    font-weight: 700; 
    margin-bottom: 8px; 
    display: block; 
}

input, select {
    width: 100%;
    background: #fdfdfd;
    border: 2px solid #edf1f1;
    color: var(--text-dark);
    padding: 14px;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-sizing: border-box; 
}

input::placeholder {
    color: #cccccc;
    opacity: 1;
}

input:focus, select:focus {
    border-color: var(--sub-mocha);
    background: #fff;
    outline: none;
    box-shadow: 0 0 0 4px rgba(171, 116, 100, 0.1);
}

.submit-btn {
    width: 100%;
    background: var(--main-moss);
    color: #fff;
    padding: 22px;
    border: none;
    border-radius: 16px;
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    margin-top: 30px;
    transition: 0.4s cubic-bezier(0.2, 1, 0.3, 1);
    letter-spacing: 1px;
}

.submit-btn:hover {
    background: var(--text-dark);
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.result-header {
    background: linear-gradient(135deg, var(--main-moss), #068e8e);
    padding: 30px;
    border-radius: 20px;
    margin: 40px 0;
    color: #fff;
    text-align: center;
}

.status-label { font-size: 0.7rem; opacity: 0.9; letter-spacing: 2px; }
.status-value { font-size: 2rem; font-weight: 700; margin: 5px 0; }
.bmi-badge { 
    display: inline-block; 
    background: rgba(255,255,255,0.15); 
    padding: 5px 15px; 
    border-radius: 100px; 
    font-size: 0.9rem; 
}

/* 重要: aタグになった際のスタイル調整 
   display: flex !important で強制的にボックス表示にします
*/
.exercise-card {
    display: flex !important; 
    justify-content: space-between;
    align-items: center;
    background: var(--card-white);
    color: var(--text-dark) !important; /* リンクの青文字を打ち消し */
    text-decoration: none !important;    /* リンクの下線を打ち消し */
    padding: 30px;
    border-radius: 20px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    cursor: pointer;
    width: 100%;
    box-sizing: border-box;
}

.exercise-card:hover {
    border-color: var(--sub-mocha);
    transform: scale(1.02);
    box-shadow: 0 15px 30px rgba(0,0,0,0.08);
    background: #ffffff;
}

.exercise-name { font-weight: 700; font-size: 1.3rem; color: var(--main-moss); }
.exercise-meta { font-family: 'Playfair Display', serif; color: var(--sub-mocha); font-size: 1.8rem; font-weight: 700; }
.exercise-meta small { font-size: 0.8rem; color: var(--text-sub); margin-left: 5px; }

/* レスポンシブ対応 */
@media (max-width: 600px) {
    #exercise-ai-container {
        padding: 40px 20px;
        margin: 10px;
        border-radius: 20px;
        width: calc(100% - 20px);
    }

    .schimmer-title {
        font-size: 2.5rem;
    }

    .input-group {
        padding: 25px 15px;
    }

    .input-grid {
        grid-template-columns: 1fr !important;
        gap: 20px;
    }

    .exercise-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 25px;
    }

    .exercise-meta {
        margin-top: 15px;
        align-self: center;
    }
}