/* OZAKI法とは ページ固有スタイル */

/* イントロセクション */
.about_intro {
    padding: var(--section-padding) 0;
}
.about_intro_grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: center;
}
.about_intro_image {
    position: relative;
}
.about_intro_image_main {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    display: block;
}
.about_intro_image_accent {
    position: absolute;
    bottom: -40px;
    right: -40px;
    width: 160px;
    height: 160px;
    background-color: var(--color-accent);
    opacity: 0.08;
}
.about_intro_content h2 {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 32px;
    line-height: 1.6;
}
.about_intro_text,
.about_intro_text_wrap p {
    font-size: 0.9375rem;
    line-height: 2.2;
    color: var(--color-text-light);
    margin-bottom: 24px;
}

/* 特長グリッド */
.features_grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background-color: var(--color-border);
}
.feature_card {
    background-color: var(--color-bg);
    padding: 64px 48px;
}
.feature_card_number {
    font-family: var(--font-latin);
    font-size: 3.5rem;
    font-weight: 300;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 32px;
}
.feature_card_title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 20px;
    letter-spacing: 0.04em;
}
.feature_card_text {
    font-size: 0.875rem;
    line-height: 2;
    color: var(--color-text-light);
}

/* 比較テーブル */
.comparison_table_wrapper {
    overflow-x: auto;
}
.comparison_table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}
.comparison_table th,
.comparison_table td {
    padding: 28px 24px;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}
.comparison_table thead th {
    font-weight: 500;
    color: var(--color-text);
    background-color: var(--color-bg-gray);
}
.comparison_table thead th:first-child {
    background-color: var(--color-primary);
    color: var(--color-bg);
}
.comparison_table thead th.is_highlight {
    background-color: var(--color-accent);
    color: var(--color-bg);
}
.comparison_table tbody th {
    text-align: left;
    font-weight: 500;
    color: var(--color-text);
    background-color: var(--color-bg-gray);
}
.comparison_table tbody td {
    color: var(--color-text-light);
}
.comparison_table tbody td.is_highlight {
    background-color: rgba(45, 125, 210, 0.04);
    color: var(--color-primary);
    font-weight: 500;
}
.comparison_check {
    color: var(--color-accent);
    font-size: 1.125rem;
}
.comparison_sub {
    color: var(--color-accent);
    font-size: 0.75rem;
    font-weight: 400;
}
.comparison_table td strong {
    color: var(--color-accent);
    font-size: 0.8125rem;
}

/* エビデンス */
.evidence_grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-bottom: 64px;
}
.evidence_card {
    background-color: var(--color-bg);
    padding: 40px 32px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}
.evidence_card_value {
    font-family: var(--font-latin);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 8px;
}
.evidence_card_value small {
    font-size: 1.125rem;
    font-weight: 400;
}
.evidence_card_label {
    font-size: 0.875rem;
    color: var(--color-text);
    margin-bottom: 8px;
}
.evidence_card_note {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
}
.evidence_source {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    text-align: center;
}

/* 適応 */
.indication_grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}
.indication_card {
    background-color: var(--color-bg-gray);
    padding: 48px;
}
.indication_card_icon {
    width: 56px;
    height: 56px;
    background-color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}
.indication_card_icon svg {
    width: 24px;
    height: 24px;
    fill: var(--color-bg);
}
.indication_card_title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 16px;
}
.indication_card_text {
    font-size: 0.875rem;
    line-height: 2;
    color: var(--color-text-light);
}

/* 手術の流れ */
.process_list {
    max-width: 800px;
    margin: 0 auto;
}
.process_item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 40px;
    padding: 48px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.process_item:last-child {
    border-bottom: none;
}
.process_item_number {
    font-family: var(--font-latin);
    font-size: 3rem;
    font-weight: 300;
    color: var(--color-accent-light);
    line-height: 1;
}
.process_item_content h3 {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-bg);
    margin-bottom: 12px;
}
.process_item_content p {
    font-size: 0.875rem;
    line-height: 2;
    color: rgba(255, 255, 255, 0.7);
}

/* PC */
@media screen and (min-width: 900px) {
    .about_intro {
        padding: var(--section-padding) 0;
    }
}

/* SP */
@media screen and (max-width: 899px) {
    .about_intro {
        padding: var(--section-padding-sm) 0;
    }
    .about_intro_grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    .features_grid {
        grid-template-columns: 1fr;
    }
    .evidence_grid {
        grid-template-columns: 1fr;
    }
    .indication_grid {
        grid-template-columns: 1fr;
    }
    .process_item {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .comparison_table {
        font-size: 0.75rem;
    }
    .comparison_table th,
    .comparison_table td {
        padding: 18px 14px;
    }
}