/* ============================================================
 *  KT CLINIC — 施術詳細 single-treatment.css
 *  婦人科モックで確定したデザインを反映（2026-06-01）
 *  9セクション / 3科スコープ(kt-gyn/kt-derm/kt-cos)
 *  余白・フォントは rem、線・角丸は px（kt_design_css_units 方針）
 * ============================================================ */

.kt-treatment-single {
    --c-text: #1A1F2E;
    --c-sub: #2A3142;
    --c-meta: #5A6373;
    --c-border: #E8EAED;
    --c-border-soft: #F0F1F3;
    --c-bg-soft: #FBFBFC;
    --c-gold: #C9A96E;
    --c-info-bg: #EEF2F6;
    --c-info-ic: #7E97B5;
    --font-sans: 'Noto Sans JP', sans-serif;
    --font-serif: 'Noto Serif JP', serif;
    --font-en: 'Inter', sans-serif;
    color: var(--c-text);
    font-family: var(--font-sans);
    font-weight: 400;
    line-height: 1.9;
}

/* 科カラー（deepは白背景で沈まない発色色） */
.kt-gyn  { --c-accent: #E08AA0; --c-accent-deep: #D4537E; --c-accent-soft: #FBECF0; --c-accent-line: #F7E3E9; }
.kt-derm { --c-accent: #7DC9A8; --c-accent-deep: #3FA47B; --c-accent-soft: #E8F6EE; --c-accent-line: #DCF0E5; }
.kt-cos  { --c-accent: #C9A96E; --c-accent-deep: #9C7E47; --c-accent-soft: #F7F1E3; --c-accent-line: #EFE6D2; }

.kt-treatment-single *, .kt-treatment-single *::before, .kt-treatment-single *::after { box-sizing: border-box; }
.kt-treatment-single img { display: block; max-width: 100%; height: auto; }
.kt-treatment-single ul { list-style: none; padding: 0; margin: 0; }
.kt-treatment-single a { color: inherit; text-decoration: none; }

/* レイアウト */
.kt-treatment-single .treatment-layout {
    max-width: 1080px; margin: 0 auto; padding: 1.75rem 1.5rem 6.25rem;
    display: grid; grid-template-columns: 1fr 260px; gap: 3.5rem;
}
.kt-treatment-single .treatment-main { min-width: 0; }
.kt-treatment-single .tr-section { margin-bottom: 3.25rem; }

/* 見出し h2：2色ボーダー下線（濃色短線＋淡色長線・2px） */
.kt-treatment-single .tr-h2 {
    font-family: var(--font-serif); font-size: 1.4rem; font-weight: 500; color: var(--c-text);
    letter-spacing: .02em; margin-bottom: 1.5rem; padding-bottom: .85rem; position: relative;
}
.kt-treatment-single .tr-h2::after { content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 2px; background: var(--c-accent-line); }
.kt-treatment-single .tr-h2::before { content: ""; position: absolute; left: 0; bottom: 0; width: 4.75rem; height: 2px; background: var(--c-accent); z-index: 1; }

/* 1.ヒーロー */
.kt-treatment-single .tr-hero { margin-bottom: 3.25rem; }
.kt-treatment-single .tr-hero-img { overflow: hidden; margin-bottom: 1.625rem; }
.kt-treatment-single .tr-hero-img img { width: 100%; }
.kt-treatment-single .tr-badges { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.kt-treatment-single .tr-badge { font-size: .75rem; padding: .3rem .9rem; border-radius: 3px; font-weight: 500; letter-spacing: .03em; }
.kt-treatment-single .tr-badge-type { background: var(--c-accent-soft); color: var(--c-accent-deep); }
.kt-treatment-single .tr-badge-new { background: var(--c-gold); color: #fff; font-family: var(--font-en); letter-spacing: .04em; }
.kt-treatment-single .tr-cat-label { font-size: .8rem; color: var(--c-meta); letter-spacing: .06em; display: block; }
.kt-treatment-single .tr-title { font-family: var(--font-serif); font-size: 2.1rem; font-weight: 500; line-height: 1.45; margin: .5rem 0 1.1rem; }
.kt-treatment-single .tr-lead { font-size: .97rem; color: var(--c-sub); max-width: 46em; }

/* 2.こんなお悩み（薄背景＋中央見出し＋四角チェック2カラム） */
.kt-treatment-single .tr-concern { background: var(--c-bg-soft); border-radius: 12px; padding: 2.75rem 3.5rem 2.875rem; }
.kt-treatment-single .tr-concern .tr-h2 {
    text-align: center; font-size: 1.5rem; letter-spacing: .08em; padding-bottom: 0; margin-bottom: .75rem;
}
.kt-treatment-single .tr-concern .tr-h2::before, .kt-treatment-single .tr-concern .tr-h2::after { display: none; }
.kt-treatment-single .tr-concern .tr-h2 em { font-style: normal; color: var(--c-accent); }
.kt-treatment-single .tr-concern-divider { width: 100%; height: .5px; background: var(--c-border); margin: 0 auto 1.875rem; }
.kt-treatment-single .tr-concern-list { display: grid; grid-template-columns: 1fr 1fr; gap: 1.375rem 3rem; max-width: 55rem; margin: 0 auto; }
.kt-treatment-single .tr-concern-list li { display: flex; align-items: flex-start; gap: .9rem; font-size: .97rem; line-height: 1.7; color: var(--c-text); position: relative; }
.kt-treatment-single .tr-concern-list li::before { content: ""; flex: 0 0 1.25rem; width: 1.25rem; height: 1.25rem; margin-top: .15rem; border: 1.5px solid var(--c-accent); border-radius: 4px; }
.kt-treatment-single .tr-concern-list li::after {
    content: ""; position: absolute; left: .33rem; top: .5rem; width: .62rem; height: .62rem; background: var(--c-accent);
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='5 12 10 17 19 7'/%3E%3C/svg%3E") center/contain no-repeat;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='5 12 10 17 19 7'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* 3.この施術について */
.kt-treatment-single .tr-about { margin-bottom: 3.25rem; }
.kt-treatment-single .tr-about-inner { margin-top: 1.25rem; }
.kt-treatment-single .tr-subhead { font-size: 1.05rem; color: var(--c-text); margin-bottom: .9rem; font-weight: 700; border-left: 3px solid var(--c-accent); padding-left: .85rem; line-height: 1.6; }
.kt-treatment-single .tr-about-body { font-size: .95rem; color: var(--c-sub); }
.kt-treatment-single .tr-about-img { overflow: hidden; margin: 1.25rem 0; }
.kt-treatment-single .tr-about-img img { width: 100%; height: auto; display: block; }
.kt-treatment-single .tr-about-1col .tr-about-text > .tr-about-img:first-child { margin-top: 0; }
.kt-treatment-single .tr-about-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 2.25rem; align-items: start; }
.kt-treatment-single .tr-about-2col .tr-about-img { margin: 0; }
.kt-treatment-single .tr-img-right .tr-about-text { order: 1; }
.kt-treatment-single .tr-img-right .tr-about-img { order: 2; }
.kt-treatment-single .tr-img-left .tr-about-text { order: 2; }
.kt-treatment-single .tr-img-left .tr-about-img { order: 1; }

/* 4.受診の流れ */
.kt-treatment-single .tr-flow-steps { }
.kt-treatment-single .tr-flow-step { display: flex; gap: 1.25rem; padding-bottom: 1.875rem; position: relative; }
.kt-treatment-single .tr-flow-step:not(:last-child)::before { content: ""; position: absolute; left: 17px; top: 42px; bottom: 0; width: 1px; background: var(--c-border); }
.kt-treatment-single .tr-flow-num { flex: 0 0 34px; width: 34px; height: 34px; border-radius: 50%; background: #fff; border: 1.5px solid var(--c-accent); color: var(--c-accent-deep); display: flex; align-items: center; justify-content: center; font-family: var(--font-en); font-weight: 500; font-size: 15px; z-index: 1; }
.kt-treatment-single .tr-flow-c { flex: 1; }
.kt-treatment-single .tr-flow-c h3 { font-size: 1.1rem; font-weight: 500; color: var(--c-accent-deep); min-height: 34px; display: flex; align-items: center; }
.kt-treatment-single .tr-flow-c p { font-size: .95rem; color: var(--c-text); margin-top: .4rem; }

/* 5.料金 */
.kt-treatment-single .tr-price-group-block { margin-bottom: 1.5rem; }
.kt-treatment-single .tr-price-h1 { font-family: var(--font-serif); font-size: 1.15rem; font-weight: 500; color: #fff; background: var(--c-accent); padding: .7rem 1.1rem; border-radius: 6px 6px 0 0; margin-top: 2rem; }
.kt-treatment-single .tr-price-group-block:first-child .tr-price-h1 { margin-top: 0; }
.kt-treatment-single .tr-price-h1note { font-size: .78rem; color: var(--c-meta); background: var(--c-bg-soft); padding: .5rem 1.1rem; border-bottom: .5px solid var(--c-border); }
.kt-treatment-single .tr-price-h2 { font-size: 1rem; font-weight: 500; color: var(--c-accent-deep); background: var(--c-accent-soft); border-left: 4px solid var(--c-accent); padding: .55rem 1rem; margin-top: 1.1rem; }
.kt-treatment-single .tr-price-row { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; padding: .95rem .5rem; border-bottom: 1px dashed var(--c-border); }
.kt-treatment-single .tr-price-name { font-size: .95rem; color: var(--c-text); }
.kt-treatment-single .tr-price-sub { color: var(--c-text); }
.kt-treatment-single .tr-price-now { font-family: var(--font-sans); font-size: 1.15rem; font-weight: 500; color: var(--c-text); white-space: nowrap; text-align: right; }
.kt-treatment-single .tr-price-now.is-campaign { color: #C0392B; }
.kt-treatment-single .tr-price-tax { font-size: .72rem; font-weight: 400; color: var(--c-meta); }
.kt-treatment-single .tr-price-h2note { font-size: .76rem; color: var(--c-meta); padding: .55rem .5rem 0; }
.kt-treatment-single .tr-price-insurance-note { margin-top: 1.4rem; padding: 1.1rem 1.4rem; background: var(--c-info-bg); border-radius: 8px; display: flex; gap: .85rem; align-items: flex-start; }
.kt-treatment-single .tr-price-insurance-note::before { content: "!"; flex: 0 0 24px; width: 24px; height: 24px; border-radius: 50%; background: var(--c-info-ic); color: #fff; font-weight: 700; font-size: .8rem; display: flex; align-items: center; justify-content: center; margin-top: 1px; }
.kt-treatment-single .tr-price-insurance-note p { font-size: .95rem; color: var(--c-text); margin: 0; }

/* 6.禁忌・注意 */
.kt-treatment-single .tr-caution-list { display: grid; gap: 1rem; }
.kt-treatment-single .tr-caution-box { background: var(--c-bg-soft); border: .5px solid var(--c-border); border-radius: 8px; padding: 1.375rem 1.625rem; }
.kt-treatment-single .tr-caution-box h3 { font-size: .97rem; font-weight: 500; margin-bottom: .75rem; color: var(--c-accent-deep); }
.kt-treatment-single .tr-caution-box li { font-size: .875rem; color: var(--c-sub); padding-left: 18px; position: relative; margin-bottom: .5rem; }
.kt-treatment-single .tr-caution-box li:last-child { margin-bottom: 0; }
.kt-treatment-single .tr-caution-box li::before { content: ""; position: absolute; left: 2px; top: 11px; width: 5px; height: 5px; border-radius: 50%; background: var(--c-accent); }

/* 6b.ダウンタイムや注意事項（表組み・美容外科/形成外科） */
.kt-treatment-single .tr-info-table { width: 100%; border-collapse: collapse; border: 1px solid var(--c-border); }
.kt-treatment-single .tr-info-table th, .kt-treatment-single .tr-info-table td { border: 1px solid var(--c-border); padding: 1.1rem 1.2rem; text-align: left; vertical-align: top; }
.kt-treatment-single .tr-info-table th { width: 11rem; background: var(--c-accent-soft); color: var(--c-accent-deep); font-weight: 700; font-size: .95rem; }
.kt-treatment-single .tr-info-table td { font-size: .95rem; color: var(--c-sub); line-height: 1.95; }
.kt-treatment-single .tr-info-aftercare { display: grid; gap: .7rem; }
.kt-treatment-single .tr-info-aftercare > div { display: flex; gap: .9rem; }
.kt-treatment-single .tr-info-aftercare .ac-l { flex: 0 0 6rem; font-weight: 500; color: var(--c-accent-deep); }
.kt-treatment-single .tr-info-aftercare .ac-b { color: var(--c-sub); }
@media (max-width: 700px) {
    .kt-treatment-single .tr-info-table, .kt-treatment-single .tr-info-table tbody, .kt-treatment-single .tr-info-table tr, .kt-treatment-single .tr-info-table th, .kt-treatment-single .tr-info-table td { display: block; width: auto; }
    .kt-treatment-single .tr-info-table th { border-bottom: none; }
    .kt-treatment-single .tr-info-table td { border-top: none; }
    .kt-treatment-single .tr-info-aftercare > div { flex-direction: column; gap: .1rem; }
    .kt-treatment-single .tr-info-aftercare .ac-l { flex: none; }
}

/* 3b.症例（施術ページ内・写真＋下に4要素・2カラム） */
.kt-treatment-single .tr-cases-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem 2rem; }
.kt-treatment-single .tr-case-photo { background: var(--c-bg-soft); margin-bottom: .7rem; }
.kt-treatment-single .tr-case-photo img { width: 100%; height: auto; display: block; }
.kt-treatment-single .tr-case-info { font-size: .72rem; color: var(--c-meta); line-height: 1.55; background: var(--c-bg-soft); border: .5px solid var(--c-border); padding: .85rem .95rem; }
.kt-treatment-single .tr-case-info .row { margin-bottom: .4rem; }
.kt-treatment-single .tr-case-info .row:last-of-type { margin-bottom: 0; }
.kt-treatment-single .tr-case-info .lbl { font-weight: 700; color: var(--c-sub); }
.kt-treatment-single .tr-case-info .lbl::after { content: "："; }
.kt-treatment-single .tr-case-info .indiv { margin-top: .5rem; padding-top: .45rem; border-top: .5px solid var(--c-border-soft); color: var(--c-meta); }
@media (max-width: 600px) { .kt-treatment-single .tr-cases-grid { grid-template-columns: 1fr; gap: 2rem; } }

/* 7.FAQ（Q/Aアイコン） */
.kt-treatment-single .tr-faq-item { border-bottom: .5px solid var(--c-border); }
.kt-treatment-single .tr-faq-item summary { padding: 1.25rem 2.5rem 1.25rem 0; font-size: 1rem; font-weight: 500; cursor: pointer; position: relative; display: flex; gap: .85rem; align-items: flex-start; list-style: none; }
.kt-treatment-single .tr-faq-item summary::-webkit-details-marker { display: none; }
.kt-treatment-single .tr-faq-item summary::before { content: "Q"; flex: 0 0 1.6rem; width: 1.6rem; height: 1.6rem; border-radius: 50%; background: var(--c-accent); color: #fff; font-family: var(--font-en); font-weight: 500; font-size: .85rem; display: flex; align-items: center; justify-content: center; }
.kt-treatment-single .tr-faq-item summary::after { content: "+"; position: absolute; right: .6rem; top: 50%; margin-top: -.8rem; font-size: 1.4rem; font-weight: 300; color: var(--c-accent); }
.kt-treatment-single .tr-faq-item[open] summary::after { content: "−"; }
.kt-treatment-single .tr-faq-a { font-size: .95rem; color: var(--c-text); padding: 0 .25rem 1.25rem 2.45rem; position: relative; }
.kt-treatment-single .tr-faq-a::before { content: "A"; position: absolute; left: 0; top: 0; width: 1.6rem; height: 1.6rem; border-radius: 50%; background: var(--c-accent-soft); color: var(--c-accent-deep); font-family: var(--font-en); font-weight: 500; font-size: .85rem; display: flex; align-items: center; justify-content: center; }

/* 8.関連施術 */
.kt-treatment-single .tr-related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.kt-treatment-single .tr-related-img { aspect-ratio: 4/3; background: var(--c-bg-soft); overflow: hidden; display: flex; align-items: center; justify-content: center; margin-bottom: .6rem; }
.kt-treatment-single .tr-related-img span { font-size: .75rem; color: var(--c-meta); }
.kt-treatment-single .tr-related-img img { width: 100%; height: 100%; object-fit: cover; }
.kt-treatment-single .tr-related-card h3 { font-size: .875rem; font-weight: 500; margin: 0; }

/* 9.CTA */
.kt-treatment-single .tr-cta { background: var(--c-accent-soft); border-radius: 14px; padding: 3.375rem 2rem; text-align: center; }
.kt-treatment-single .tr-cta h2 { font-family: var(--font-serif); font-size: 1.5rem; font-weight: 500; margin-bottom: .75rem; }
.kt-treatment-single .tr-cta p { font-size: .95rem; color: var(--c-sub); margin-bottom: 1.75rem; }
.kt-treatment-single .tr-cta-btns { display: flex; gap: .875rem; justify-content: center; flex-wrap: wrap; }
.kt-treatment-single .tr-btn { padding: .95rem 2.4rem; border-radius: 5px; font-size: .95rem; font-weight: 500; transition: opacity .2s, transform .2s; }
.kt-treatment-single .tr-btn:hover { opacity: .9; transform: translateY(-1px); }
.kt-treatment-single .tr-btn-primary { background: var(--c-accent); color: #fff; }
.kt-treatment-single .tr-btn-ghost { border: 1px solid var(--c-accent); color: var(--c-accent-deep); background: #fff; }

/* サイドバー */
.kt-treatment-single .sidebar-box { position: sticky; top: 96px; border: .5px solid var(--c-border); border-radius: 10px; padding: 1.375rem; }
.kt-treatment-single .sidebar-title { font-size: .875rem; font-weight: 500; padding-bottom: .75rem; margin-bottom: .875rem; border-bottom: 1.5px solid var(--c-accent); }
.kt-treatment-single .sidebar-category { margin-bottom: 1rem; }
.kt-treatment-single .sidebar-category-title { font-size: .8rem; font-weight: 500; color: var(--c-accent-deep); margin-bottom: .45rem; }
.kt-treatment-single .sidebar-menu li { padding: .45rem 0; border-bottom: .5px solid var(--c-border-soft); }
.kt-treatment-single .sidebar-menu a { font-size: .8rem; color: var(--c-meta); transition: color .2s; }
.kt-treatment-single .sidebar-menu a:hover, .kt-treatment-single .sidebar-menu a.current { color: var(--c-accent-deep); }
.kt-treatment-single .sidebar-menu a.current { font-weight: 500; }

/* レスポンシブ */
@media (max-width: 900px) {
    .kt-treatment-single .treatment-layout { grid-template-columns: 1fr; gap: 2.5rem; }
    .kt-treatment-single .tr-about-2col { grid-template-columns: 1fr; }
    .kt-treatment-single .tr-img-right .tr-about-img, .kt-treatment-single .tr-img-left .tr-about-img { order: 0; }
    .kt-treatment-single .tr-related-grid { grid-template-columns: 1fr 1fr; }
    .kt-treatment-single .sidebar-box { position: static; }
}
@media (max-width: 700px) {
    .kt-treatment-single .tr-concern { padding: 2.5rem 1.4rem 2.75rem; }
    .kt-treatment-single .tr-concern-list { grid-template-columns: 1fr; gap: 1rem; }
}
@media (max-width: 600px) {
    .kt-treatment-single .tr-title { font-size: 1.6rem; }
    .kt-treatment-single .tr-related-grid { grid-template-columns: 1fr; }
    .kt-treatment-single .tr-cta-btns { flex-direction: column; }
    .kt-treatment-single .tr-btn { width: 100%; }
}