/* ベース */
body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI',
        "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
    background: #0f1115;
    color: #e5e7eb;
    line-height: 1.8;
    font-size: clamp(17px, 1.9vw, 18.5px);
}

.container {
    max-width: 600px;
    margin: 50px auto;
    padding: 40px 20px;
    background: #1a1c23;
    border-radius: 15px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
    text-align: center;
}

h1.title {
    font-size: clamp(28px, 4vw, 36px);
    font-weight: 600;
    margin-bottom: 20px;
    color: #f9fafb;
}

p.subtitle {
    font-size: 1rem;
    color: #9ca3af;
    margin-bottom: 30px;
}

.question {
    margin-bottom: 24px;
    text-align: left;
}

.question label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #e5e7eb;
}

input, select {
    width: 100%;
    padding: 12px 20px;
    font-size: 16px;
    border-radius: 999px;
    border: 1px solid #9ca3af;
    background: #0f1115;
    color: #e5e7eb;
    outline: none;
    transition: all 0.3s;
    box-sizing: border-box;
}

input::placeholder {
    color: #d1d5db;
}

input:focus, select:focus {
    border-color: #9ca3af;
    box-shadow: 0 0 8px rgba(156,163,175,0.6);
}

.submit-btn, .consult-btn {
    display: inline-block;
    margin: 24px auto 36px;
    max-width: 600px;
    padding: 14px 32px;
    border: 1px solid #9ca3af;
    border-radius: 999px;
    font-size: 1.05em;
    font-weight: 600;
    background: #0f1115;
    color: #9ca3af;
    cursor: pointer;
    transition:
        background-color 0.25s ease,
        color 0.25s ease,
        transform 0.15s ease,
        box-shadow 0.15s ease;
}

.submit-btn:hover, .consult-btn:hover {
    background: #9ca3af;
    color: #0f1115;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.submit-btn:active, .consult-btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* 診断結果 */
#result {
    margin-top: 30px;
    padding: 24px 20px;
    border-radius: 12px;
    font-size: 1rem;
    line-height: 1.8;
    display: none;
    white-space: pre-line;
    text-align: left;
    font-weight: 500;
}

#result.complete {
    background-color: #d4edda; /* 完全問題なし */
    color: #0f1115;
}

#result.warning {
    background-color: #fff3cd; /* 軽微改善 */
    color: #0f1115;
}

#result.alert {
    background-color: #ffeeba; /* 改善推奨 */
    color: #0f1115;
}

#result.critical {
    background-color: #e76c6c; /* やわらかめの赤 */
    color: #0f1115; /* 黒っぽい文字で読みやすく */
}