/* ============================================================
   diagnosis.css
   経営環境ピンチ度診断ページ固有スタイル（v2）
   common.css + column-v2.css の上に載せる
   ============================================================ */

/* ============================================================
   Billboard offset override (info page: center-aligned)
   ============================================================ */
@media (min-width: 1200px) {
    .article-header__inner {
        margin-left: auto;
        margin-right: auto;
    }
}

/* ============================================================
   S1: 導入 — インラインCTA
   ============================================================ */
.diag-inline-cta {
    margin-top: 32px;
    text-align: center;
}

/* ============================================================
   S2: 5カテゴリ説明
   ============================================================ */
.diag-intro-text {
    max-width: 780px;
    margin: 0 auto 32px;
    text-align: center;
    font-size: 16px;
    color: var(--color-dark-gray);
    line-height: 1.8;
}
.diag-categories__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    max-width: 780px;
    margin: 0 auto 32px;
}
.diag-categories__note {
    max-width: 780px;
    margin: 0 auto;
    font-size: 15px;
    color: var(--color-medium-gray);
    text-align: center;
}

@media (min-width: 768px) {
    .diag-categories__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .diag-categories__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* カテゴリカード */
.diag-category-card {
    background: white;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    position: relative;
    border-top: 4px solid var(--color-vivid-blue);
}
.diag-category-card__number {
    position: absolute;
    top: -2px;
    right: 16px;
    font-size: 48px;
    font-weight: 800;
    color: rgba(37, 99, 235, 0.08);
    line-height: 1;
}
.diag-category-card__title {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 8px;
}
.diag-category-card__image {
    margin: -24px -24px 16px;
    border-radius: 8px 8px 0 0;
    overflow: hidden;
}
.diag-category-card__image img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    display: block;
}
.diag-category-card__text {
    font-size: 14px;
    color: var(--color-medium-gray);
    line-height: 1.7;
}

/* ============================================================
   S3: 島田紹介
   ============================================================ */
.diag-instructor {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    max-width: 780px;
    margin: 0 auto;
}
.diag-instructor__photo {
    flex-shrink: 0;
}
.diag-instructor__photo img {
    width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: 12px;
}
.diag-instructor__name {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 16px;
}
.diag-instructor__content {
    font-size: 15px;
    line-height: 1.8;
    color: var(--color-dark-gray);
}
.diag-instructor__content p + p {
    margin-top: 12px;
}

@media (min-width: 768px) {
    .diag-instructor {
        flex-direction: row;
        align-items: flex-start;
        gap: 40px;
    }
    .diag-instructor__photo img {
        width: 240px;
        height: 240px;
    }
}

/* ============================================================
   S4: Pre-CTA
   ============================================================ */
.diag-pre-cta {
    background: linear-gradient(135deg, #EFF6FF 0%, #F0FDF4 100%);
    padding: 60px 0;
}
.diag-pre-cta__inner {
    max-width: 780px;
    margin: 0 auto;
    text-align: center;
}
.diag-pre-cta__inner h2 {
    font-size: 24px;
    font-weight: 800;
    color: var(--color-navy);
    margin-bottom: 16px;
}
.diag-pre-cta__inner p {
    color: var(--color-dark-gray);
    line-height: 1.8;
    margin-bottom: 24px;
}

@media (min-width: 768px) {
    .diag-pre-cta__inner h2 {
        font-size: 28px;
    }
}

/* ============================================================
   S5: 診断フォーム
   ============================================================ */

/* プログレスバー */
.diag-progress {
    max-width: 600px;
    margin: 0 auto 40px;
    text-align: center;
}
.diag-progress__bar {
    width: 100%;
    height: 8px;
    background: #E5E7EB;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}
.diag-progress__fill {
    width: 0%;
    height: 100%;
    background: var(--color-vivid-blue);
    border-radius: 4px;
    transition: width 0.4s ease;
}
.diag-progress__text {
    font-size: 14px;
    color: var(--color-medium-gray);
    font-weight: 600;
}

/* 質問カード */
.diag-form {
    max-width: 700px;
    margin: 0 auto;
}
.diag-question {
    background: white;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    border-left: 4px solid var(--color-vivid-blue);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.diag-question.is-answered {
    border-left-color: var(--color-green);
    box-shadow: 0 1px 3px rgba(16, 185, 129, 0.15);
}
.diag-question__header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}
.diag-question__category {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-vivid-blue);
    background: #EFF6FF;
    padding: 4px 10px;
    border-radius: 4px;
}
.diag-question__number {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-navy);
}
.diag-question__text {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-dark-gray);
    line-height: 1.6;
    margin-bottom: 20px;
}

/* 選択肢 */
.diag-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.diag-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border: 2px solid #E5E7EB;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}
.diag-option:hover {
    border-color: var(--color-vivid-blue);
    background: #F8FAFF;
}
.diag-option input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid #D1D5DB;
    border-radius: 50%;
    flex-shrink: 0;
    position: relative;
    cursor: pointer;
    transition: all 0.2s ease;
}
.diag-option input[type="radio"]:checked {
    border-color: var(--color-vivid-blue);
    background: var(--color-vivid-blue);
}
.diag-option input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
}
.diag-option input[type="radio"]:checked + .diag-option__label {
    color: var(--color-vivid-blue);
    font-weight: 600;
}
.diag-option:has(input:checked) {
    border-color: var(--color-vivid-blue);
    background: #EFF6FF;
}
.diag-option__label {
    font-size: 14px;
    color: var(--color-dark-gray);
    line-height: 1.4;
}

@media (min-width: 768px) {
    .diag-question {
        padding: 32px;
    }
    .diag-question__text {
        font-size: 17px;
    }
    .diag-option {
        padding: 14px 20px;
    }
    .diag-option__label {
        font-size: 15px;
    }
}

/* 送信ボタン */
.diag-form__submit {
    text-align: center;
    padding: 24px 0 0;
}
.diag-form__submit button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}
.diag-form__note {
    font-size: 13px;
    color: var(--color-medium-gray);
    margin-top: 12px;
}

/* ============================================================
   S6: 結果表示
   ============================================================ */
.diag-result {
    animation: diagFadeInUp 0.6s ease;
}

@keyframes diagFadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 総合スコア */
.diag-result__score {
    max-width: 780px;
    margin: 0 auto 24px;
    text-align: center;
}
.diag-result__score-number {
    font-size: 72px;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 4px;
}
.diag-result__score-max {
    font-size: 16px;
    color: var(--color-medium-gray);
    font-weight: 600;
    margin-bottom: 12px;
}
.diag-result__score-label {
    display: inline-block;
    font-size: 18px;
    font-weight: 700;
    padding: 6px 20px;
    border-radius: 20px;
    color: white;
}
.diag-result__score-label--green {
    background: var(--color-green);
}
.diag-result__score-label--orange {
    background: var(--color-orange);
}
.diag-result__score-label--red {
    background: #EF4444;
}

/* 一言コメント */
.diag-result__comment {
    max-width: 600px;
    margin: 0 auto 40px;
    text-align: center;
    font-size: 16px;
    color: var(--color-dark-gray);
    line-height: 1.8;
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

/* レーダーチャート */
.diag-result__chart {
    max-width: 480px;
    margin: 0 auto 40px;
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

@media (min-width: 768px) {
    .diag-result__chart {
        padding: 32px;
    }
}

/* カテゴリ別スコア */
.diag-result__categories {
    max-width: 600px;
    margin: 0 auto 40px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.diag-cat-score {
    background: white;
    border-radius: 12px;
    padding: 20px 24px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.diag-cat-score__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}
.diag-cat-score__name {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-navy);
}
.diag-cat-score__value {
    font-size: 15px;
    font-weight: 700;
}
.diag-cat-score__bar {
    width: 100%;
    height: 8px;
    background: #E5E7EB;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}
.diag-cat-score__fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.8s ease;
}
.diag-cat-score__fill--green { background: var(--color-green); }
.diag-cat-score__fill--orange { background: var(--color-orange); }
.diag-cat-score__fill--red { background: #EF4444; }
.diag-cat-score__comment {
    font-size: 13px;
    color: var(--color-medium-gray);
    line-height: 1.5;
}

/* LINE CTA（結果画面） */
.diag-result__cta {
    max-width: 600px;
    margin: 0 auto 40px;
    text-align: center;
    background: white;
    padding: 32px 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    border: 2px solid var(--color-line-green);
}
.diag-result__cta h3 {
    font-size: 17px;
    color: var(--color-navy);
    margin-bottom: 12px;
    line-height: 1.6;
}
.diag-result__cta p {
    font-size: 14px;
    color: var(--color-medium-gray);
    margin-bottom: 20px;
}
.diag-result__cta .btn--line svg {
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .diag-result__cta {
        padding: 40px 32px;
    }
    .diag-result__cta h3 {
        font-size: 19px;
    }
}

/* もう一度診断する */
.diag-result__retry {
    max-width: 780px;
    margin: 0 auto;
    text-align: center;
    padding-top: 16px;
}