/* ===========================================================
   AI real CG 下層ページ（用途・新築/工務店向け）専用CSS
   ※ common.css（トークン/ヘッダー/フッター/ボタン）と
     home.css（FAQ・料金・ギャラリー等のコンポーネント）を併用
   =========================================================== */

/* 汎用セクション＆コンテナ（フルブリード＋中央寄せ） */
.uc-section { width: 100%; padding: 84px 24px; }
.uc-section--gray { background: var(--bg-gray); }
.uc-section--dark { background: #141414; color: #fff; }
.uc-container { max-width: 1152px; margin: 0 auto; }
.uc-container--narrow { max-width: 880px; }

/* 汎用セクション見出し（中央＋イエロー下線・TOPと統一） */
.uc-head { text-align: center; margin-bottom: 48px; }
.uc-eyebrow { margin: 0; font-weight: 700; font-size: 12px; letter-spacing: 1.2px; text-transform: uppercase; color: var(--muted); }
.uc-title { position: relative; margin: 12px 0 0; padding-bottom: 18px; font-weight: 800; font-size: 30px; line-height: 1.3; letter-spacing: .02em; color: var(--ink); }
.uc-title::after { content: ""; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%); width: 44px; height: 3px; border-radius: 2px; background: var(--yellow); }
.uc-lead { margin: 16px auto 0; max-width: 640px; font-size: 15px; line-height: 1.9; color: var(--muted); text-align: center; }

/* ===========================================================
   ページヒーロー（パンくず＋タイトル）
   固定ヘッダー分の余白を確保
   =========================================================== */
.uc-hero { background: #fff; padding: 116px 24px 40px; }
.uc-hero__inner { max-width: 1152px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; text-align: center; }
.uc-breadcrumb { order: 2; align-self: flex-start; margin-top: 32px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); }
.uc-breadcrumb a { color: var(--muted); }
.uc-breadcrumb a:hover { color: var(--ink); }
.uc-breadcrumb__sep { color: #c4c4c4; }
.uc-breadcrumb [aria-current="page"] { color: var(--ink); font-weight: 700; }
.uc-hero__title { order: 0; margin: 0; font-weight: 900; font-size: 40px; line-height: 1.2; letter-spacing: -.5px; color: var(--ink); }
.uc-hero__lead { position: relative; order: 1; margin: 12px 0 0; padding-bottom: 20px; font-size: 16px; line-height: 1.7; color: var(--muted); }
.uc-hero__lead::after { content: ""; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%); width: 88px; height: 3px; border-radius: 2px; background: var(--yellow); }

/* ===========================================================
   レスポンシブ
   =========================================================== */
@media (max-width: 768px) {
  .uc-section { padding: 56px 16px; }
  .uc-hero { padding: 96px 16px 32px; }
  .uc-hero__title { font-size: 30px; }
  .uc-title { font-size: 26px; }
}
@media (max-width: 480px) {
  .uc-hero__title { font-size: 26px; }
  .uc-title { font-size: 22px; }
}

/* ===========================================================
   uc44 — Before/After ショーケース（全幅スライダー・gallery__*再利用）
   =========================================================== */
.uc44__card { width: 100%; max-width: none; border-radius: 12px; }
.uc44__slider { height: clamp(280px, 42vw, 539px); border-radius: 11px; }
.uc44__tag--after { background: var(--yellow); }
.uc44__handle { height: 100%; }
.uc44__knob { top: 50%; transform: translateY(-50%); width: 40px; height: 40px; }
.uc44__knob img { width: 20px; height: 20px; }
.uc44__hint { margin: 16px 0 0; text-align: center; font-weight: 400; font-size: 14px; line-height: 20px; color: var(--muted); }

/* ===========================================================
   uc67 — お声（ペルソナ別の主要課題・コンパクト）
   =========================================================== */
.uc67 { padding-top: 56px; padding-bottom: 56px; }
.uc67__head { margin-bottom: 32px; }
.uc67__voices { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.uc67__voice { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 22px; }
.uc67__role { display: inline-block; padding: 3px 11px; background: var(--yellow-soft); border-radius: 999px; font-size: 11px; font-weight: 700; letter-spacing: .3px; color: #8a6a00; }
.uc67__quote { margin: 12px 0 0; font-size: 14px; line-height: 1.85; font-weight: 500; color: var(--body); }
.uc67__lead { font-weight: 700; color: var(--ink); background: linear-gradient(transparent 62%, var(--yellow-soft) 62%); }
.uc67__summary { margin: 28px auto 0; max-width: 760px; text-align: center; font-size: 15px; line-height: 1.9; color: var(--body); }
.uc67__summary strong { font-weight: 700; color: var(--ink); }
@media (max-width: 768px) {
  .uc67 { padding-top: 44px; padding-bottom: 44px; }
  .uc67__head { margin-bottom: 24px; }
  .uc67__voices { grid-template-columns: 1fr; gap: 12px; }
  .uc67__summary { margin-top: 22px; font-size: 14px; text-align: left; }
}

/* ===========================================================
   uc103 — 職種ごとのソリューション（左右分割の交互レイアウト）
   =========================================================== */
.uc103__rows { display: flex; flex-direction: column; gap: 32px; margin-top: 64px; }
.uc103__row { display: grid; grid-template-columns: 1fr 1fr; align-items: stretch; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.uc103__media { background: var(--bg-gray); min-height: 360px; }
.uc103__media img { display: block; width: 100%; height: 100%; object-fit: cover; }
.uc103__text { display: flex; flex-direction: column; justify-content: center; background: #fff; padding: 48px clamp(28px, 4vw, 64px); }
.uc103__text--gray { background: var(--bg-gray); }
.uc103__row--reverse .uc103__media { order: 2; }
.uc103__row--reverse .uc103__text { order: 1; }
.uc103__role { margin: 0 0 16px; font-weight: 700; font-size: 12px; letter-spacing: 2.4px; color: var(--muted); }
.uc103__before { margin: 0; font-size: 14px; line-height: 1.45; color: var(--muted); text-decoration: line-through; }
.uc103__divider { display: block; width: 32px; height: 2px; margin: 12px 0; background: var(--yellow); }
.uc103__headline { margin: 0 0 24px; font-weight: 700; font-size: clamp(20px, 2.4vw, 24px); line-height: 1.45; color: var(--ink); }
.uc103__hl-accent { color: #c79400; }
.uc103__body { margin: 0 0 32px; font-size: 14px; line-height: 1.65; color: var(--muted); }
.uc103__link { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14px; color: var(--ink); text-decoration: none; transition: gap .2s ease; }
.uc103__link:hover { gap: 12px; }
.uc103__arrow { display: inline-flex; width: 16px; height: 16px; color: var(--ink); }
.uc103__arrow svg { width: 100%; height: 100%; display: block; }
@media (max-width: 768px) {
  .uc103__rows { gap: 24px; margin-top: 40px; }
  .uc103__row, .uc103__row--reverse { grid-template-columns: 1fr; }
  .uc103__row--reverse .uc103__media { order: 0; }
  .uc103__row--reverse .uc103__text { order: 0; }
  .uc103__media { min-height: 240px; }
  .uc103__text { padding: 32px 24px; }
}
/* D（SNS専任）＝従：コンパクトな横型カード */
.uc103__sub { display: grid; grid-template-columns: 220px 1fr; gap: 28px; align-items: center; margin-top: 8px; padding: 20px; background: var(--bg-gray); border: 1px solid var(--border); border-radius: 12px; }
.uc103__sub-media { border-radius: 8px; overflow: hidden; aspect-ratio: 16 / 10; }
.uc103__sub-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.uc103__sub-tag { display: inline-block; margin-left: 8px; padding: 2px 9px; background: var(--yellow-soft); border-radius: 999px; font-size: 10px; font-weight: 700; letter-spacing: 0; color: #8a6a00; vertical-align: middle; }
.uc103__sub-headline { margin: 8px 0 0; font-weight: 700; font-size: 18px; line-height: 1.4; color: var(--ink); }
.uc103__sub-body { margin: 6px 0 12px; font-size: 13px; line-height: 1.6; color: var(--muted); }
@media (max-width: 768px) {
  .uc103__sub { grid-template-columns: 1fr; gap: 16px; }
}

/* ===========================================================
   ucgallery — 単体CG作例（品質を大きく見せる）
   =========================================================== */
.ucg__grid { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 130px; grid-auto-flow: dense; gap: 14px; margin-top: 48px; }
.ucg__item { margin: 0; border-radius: 12px; overflow: hidden; background: #f3f4f6; cursor: zoom-in; }
.ucg__item img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s ease; }
.ucg__item:hover img { transform: scale(1.04); }
.ucg__item--lg { grid-column: span 2; grid-row: span 2; }
.ucg__item--wide { grid-column: span 2; }
.ucg__item--tall { grid-row: span 2; }
@media (max-width: 768px) {
  .ucg__grid { grid-template-columns: repeat(3, 1fr); grid-auto-rows: 100px; gap: 10px; margin-top: 32px; }
}
@media (max-width: 560px) {
  .ucg__grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 130px; gap: 8px; }
  .ucg__item--lg { grid-column: span 2; grid-row: span 2; }
  .ucg__item--wide { grid-column: span 2; grid-row: span 1; }
}

/* ===========================================================
   ucg-modal — ギャラリー画像クリックで拡大表示
   =========================================================== */
.ucg-modal { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; padding: 32px; background: rgba(10, 10, 10, .88); opacity: 0; visibility: hidden; transition: opacity .25s ease; }
.ucg-modal.is-open { opacity: 1; visibility: visible; }
.ucg-modal__img { display: block; max-width: min(1100px, 92vw); max-height: 88vh; border-radius: 8px; box-shadow: 0 20px 60px rgba(0, 0, 0, .5); }
.ucg-modal__close { position: absolute; top: 24px; right: 24px; width: 44px; height: 44px; border-radius: 50%; border: 0; background: rgba(255, 255, 255, .12); color: #fff; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: background .2s ease; }
.ucg-modal__close:hover { background: rgba(255, 255, 255, .22); }
.ucg-modal__close svg { width: 20px; height: 20px; }
@media (max-width: 600px) {
  .ucg-modal { padding: 16px; }
  .ucg-modal__close { top: 12px; right: 12px; width: 38px; height: 38px; }
}

/* ===========================================================
   uc173 — 数字で見る、導入効果（ダーク統計帯）
   =========================================================== */
.uc173 { background: #1a1a1a; color: #fff; padding-top: 48px; padding-bottom: 48px; }
.uc173__head { text-align: center; }
.uc173__eyebrow { color: #7a7a7a; font-weight: 700; font-size: 12px; letter-spacing: 2.4px; }
.uc173__title { color: #fff; font-weight: 700; font-size: clamp(22px, 3.2vw, 30px); line-height: 1.3; margin-top: 12px; }
.uc173__title::after { display: none; }
.uc173__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: #333; margin-top: 48px; border-radius: 12px; overflow: hidden; }
.uc173__card { background: #1a1a1a; padding: 36px 40px; display: flex; flex-direction: column; }
.uc173__card--feature { background: #222; }
.uc173__label { color: #fff; font-weight: 700; font-size: 14px; letter-spacing: 2.4px; }
.uc173__strike { color: #7a7a7a; font-size: 14px; line-height: 1.43; text-decoration: line-through; margin-top: 16px; }
.uc173__figure { display: flex; flex-direction: row; align-items: baseline; gap: 8px; margin-top: 8px; }
.uc173__num { color: var(--yellow); font-weight: 700; font-size: clamp(34px, 4vw, 42px); line-height: 1; }
.uc173__unit { color: #7a7a7a; font-size: 15px; line-height: 1.5; white-space: nowrap; }
.uc173__note { color: #7a7a7a; font-size: 14px; line-height: 1.43; margin-top: 12px; }
.uc173__feature-title { color: #fff; font-weight: 700; font-size: 24px; line-height: 1.375; margin-top: 16px; }
.uc173__list { list-style: none; margin: 24px 0 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.uc173__list-item { display: flex; align-items: center; gap: 12px; color: #cfcfcf; font-size: 14px; line-height: 1.43; }
.uc173__check { flex: 0 0 14px; width: 14px; height: 14px; }
@media (max-width: 860px) {
  .uc173__grid { grid-template-columns: 1fr; margin-top: 40px; }
  .uc173__card { padding: 32px 24px; }
}

/* ===========================================================
   uc226 — 3ステップ
   =========================================================== */
.uc226__steps { list-style: none; margin: 56px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.uc226__step { position: relative; background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 60px 20px 32px; text-align: center; }
.uc226__icon { display: flex; align-items: center; justify-content: center; margin: 8px auto 18px; }
.uc226__icon svg { width: 88px; height: 88px; color: var(--ink); }
.uc226__num { position: absolute; top: 14px; left: 14px; width: 54px; height: 54px; border-radius: 50%; background: var(--yellow); color: #000; font-weight: 800; font-size: 18px; letter-spacing: .02em; display: flex; align-items: center; justify-content: center; }
.uc226__step-title { margin: 0 0 8px; font-size: 16px; line-height: 1.4; font-weight: 700; color: var(--ink); }
.uc226__step-desc { margin: 0; font-size: 13px; line-height: 1.5; color: var(--muted); }
@media (max-width: 768px) {
  .uc226__steps { grid-template-columns: 1fr; margin-top: 32px; gap: 16px; }
  .uc226__step { padding: 48px 14px 24px; }
  .uc226__icon svg { width: 72px; height: 72px; }
  .uc226__num { width: 44px; height: 44px; font-size: 15px; top: 10px; left: 10px; }
}

/* ===========================================================
   uc256 — この用途で使う機能（ダーク画像タイル）
   =========================================================== */
.uc256__grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 16px; margin-top: 48px; }
.uc256__col { display: grid; grid-template-rows: 1fr 1fr; gap: 16px; }
.uc256__card { position: relative; display: block; overflow: hidden; border-radius: 12px; background: #1a1a1a; text-decoration: none; isolation: isolate; transition: transform .25s ease, box-shadow .25s ease; }
.uc256__card--hero { min-height: 280px; }
.uc256__card--sm { min-height: 132px; }
.uc256__card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(0,0,0,.25); }
.uc256__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; pointer-events: none; }
.uc256__card--hero .uc256__img { opacity: .6; }
.uc256__card--sm .uc256__img { opacity: .5; }
.uc256__overlay { position: relative; z-index: 1; display: flex; flex-direction: column; height: 100%; }
.uc256__card--hero .uc256__overlay { justify-content: flex-end; padding: 32px; }
.uc256__card--sm .uc256__overlay { padding: 24px; }
.uc256__label { margin: 0; font-weight: 700; font-size: 12px; line-height: 16px; letter-spacing: 2.4px; color: var(--yellow); }
.uc256__name { margin: 4px 0 0; font-weight: 700; color: #fff; font-size: 18px; line-height: 28px; }
.uc256__name--lg { margin-top: 8px; font-size: 24px; line-height: 32px; }
.uc256__desc { margin: 4px 0 0; font-weight: 400; color: rgba(255,255,255,.7); font-size: 12px; line-height: 16px; }
.uc256__desc--lg { font-size: 14px; line-height: 20px; }
.uc256__more { display: inline-flex; align-items: center; gap: 8px; margin-top: 16px; font-weight: 700; font-size: 14px; line-height: 20px; color: #fff; }
.uc256__arrow { width: 14px; height: 14px; flex-shrink: 0; background-color: #fff; -webkit-mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 14 14' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M2.91667 7H11.0833' stroke='black' stroke-width='1.16667' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='M7 2.91667L11.0833 7L7 11.0833' stroke='black' stroke-width='1.16667' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat; mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 14 14' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M2.91667 7H11.0833' stroke='black' stroke-width='1.16667' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='M7 2.91667L11.0833 7L7 11.0833' stroke='black' stroke-width='1.16667' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat; transition: transform .25s ease; }
.uc256__card:hover .uc256__arrow { transform: translateX(3px); }
@media (max-width: 768px) {
  .uc256__grid { grid-template-columns: 1fr; margin-top: 32px; }
  .uc256__card--hero { min-height: 240px; }
}

/* ===========================================================
   uc298 — 導入事例
   =========================================================== */
.uc298__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; margin-bottom: 0; }
.uc298__title { margin: 4px 0 0; }
.uc298__viewall { display: inline-flex; align-items: center; gap: 4px; color: var(--muted); font-size: 14px; line-height: 20px; text-decoration: none; white-space: nowrap; transition: color .2s ease; }
.uc298__viewall:hover { color: var(--ink); }
.uc298__viewall-icon { width: 14px; height: 14px; transition: transform .2s ease; }
.uc298__viewall:hover .uc298__viewall-icon { transform: translateX(2px); }
.uc298__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.uc298__card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; transition: transform .2s ease, box-shadow .2s ease; }
.uc298__card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(0,0,0,.08); }
.uc298__media { position: relative; aspect-ratio: 384 / 200; overflow: hidden; }
.uc298__img { width: 100%; height: 100%; object-fit: cover; display: block; }
.uc298__badge { position: absolute; top: 12px; left: 12px; background: #fff; color: var(--ink); font-size: 12px; font-weight: 700; line-height: 16px; padding: 4px 12px; border-radius: 4px; }
.uc298__body { display: flex; flex-direction: column; padding: 24px; }
.uc298__company { margin: 0; color: var(--muted); font-size: 12px; line-height: 16px; }
.uc298__quote { margin: 12px 0 0; color: var(--ink); font-size: 14px; line-height: 1.625; }
.uc298__metric { margin-top: 24px; padding-top: 17px; border-top: 1px solid var(--border); }
.uc298__metric-label { margin: 0; color: var(--muted); font-size: 12px; line-height: 16px; }
.uc298__metric-values { display: flex; align-items: center; gap: 8px; margin-top: 4px; }
.uc298__before { color: var(--muted); font-size: 14px; line-height: 20px; text-decoration: line-through; }
.uc298__arrow { width: 12px; height: 12px; flex: none; color: var(--yellow); }
.uc298__after { color: var(--ink); font-size: 16px; font-weight: 700; line-height: 24px; }
@media (max-width: 900px) {
  .uc298__grid { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
}

/* ===========================================================
   uc385 — 料金
   =========================================================== */
.uc385__card { padding: clamp(24px, 4vw, 57px); }
.uc385__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 48px); align-items: start; }
/* 稟議用：外注比較・ROI */
.uc385__compare { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 20px; }
.uc385__compare-title { margin: 0 0 8px; font-weight: 700; font-size: 12px; line-height: 1.5; color: var(--muted); }
.uc385__compare-row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 10px 0; border-top: 1px solid var(--border); }
.uc385__compare-label { font-size: 13px; color: var(--ink); }
.uc385__compare-old { font-size: 15px; font-weight: 700; color: var(--muted); text-decoration: line-through; white-space: nowrap; }
.uc385__compare-row--brand { background: rgba(245,197,24,.09); border-radius: 6px; padding: 8px 10px; border-top: 0; margin-top: 2px; }
.uc385__compare-new { font-size: 20px; font-weight: 900; letter-spacing: -.5px; color: var(--ink); white-space: nowrap; }
.uc385__compare-note { margin: 10px 0 0; font-size: 11px; line-height: 1.65; color: var(--muted); }
.uc385__label { margin: 0; font-size: 12px; line-height: 16px; color: var(--muted); }
.uc385__price { margin: 8px 0 0; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.uc385__amount { font-weight: 700; font-size: clamp(48px, 7vw, 72px); line-height: 1; letter-spacing: -0.05em; color: var(--ink); }
.uc385__unit { font-size: 18px; line-height: 28px; color: var(--muted); }
.uc385__rule { display: block; width: 48px; height: 2px; margin-top: 16px; background: var(--yellow); }
.uc385__features { list-style: none; margin: 24px 0 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.uc385__feature { display: flex; align-items: center; gap: 12px; font-size: 14px; line-height: 20px; color: var(--ink); }
.uc385__check { flex: none; width: 14px; height: 14px; }
.uc385__aside { display: flex; flex-direction: column; gap: 16px; }
.uc385__note { background: var(--bg-gray); border: 1px solid var(--border); border-radius: 8px; padding: 25px; }
.uc385__note-title { margin: 0; font-weight: 700; font-size: 12px; line-height: 16px; color: var(--muted); }
.uc385__note-text { margin: 8px 0 0; font-size: 14px; line-height: 1.625; color: var(--ink); }
.uc385__actions { display: flex; flex-direction: column; gap: 12px; }
.uc385__cta { width: 100%; text-align: center; }
/* uc385 — 2プラン（フリー / スタンダード）縦積みカード */
.uc385__plans { display: flex; flex-direction: column; gap: 16px; }
.uc385__plan-card { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 24px; }
.uc385__plan-card--featured { border-color: var(--yellow); border-width: 2px; padding: 23px; }
.uc385__plan-name { margin: 0; font-size: 12px; line-height: 16px; color: var(--muted); }
.uc385__plan-price { margin: 8px 0 0; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; font-weight: 900; font-size: 32px; line-height: 1; letter-spacing: -0.03em; color: var(--ink); }
.uc385__plan-price .uc385__amount { font-size: 32px; letter-spacing: -0.03em; }
.uc385__plan-price .uc385__unit { font-size: 14px; font-weight: 500; }
.uc385__plan-note { margin: 8px 0 0; font-size: 13px; line-height: 1.5; color: var(--muted); }
.uc385__plan-cta { width: 100%; text-align: center; margin-top: 16px; }
@media (max-width: 768px) {
  .uc385__grid { grid-template-columns: 1fr; }
}

/* ===========================================================
   uc437 — FAQ（共有 .faq__* を再利用・シェブロン化）
   =========================================================== */
.uc437__inner { max-width: 768px; }
.uc437__head { text-align: center; margin-bottom: 0; }
.uc437__title { margin: 12px 0 0; font-weight: 700; font-size: 30px; line-height: 1.2; color: var(--ink); }
.uc437__list { width: 100%; margin-top: 48px; background: none; border: 0; border-top: 1px solid var(--border); border-radius: 0; overflow: visible; }
.uc437__item { border-bottom: 1px solid var(--border); }
.uc437__q-btn { align-items: center; padding: 24px 0; gap: 16px; }
.uc437__q-btn:hover { background: none; }
.uc437__q { font-weight: 500; font-size: 16px; line-height: 1.625; color: var(--ink); }
.uc437__chevron { position: relative; flex-shrink: 0; width: 18px; height: 18px; transition: transform .25s ease; }
.uc437__chevron::before { content: ""; position: absolute; left: 50%; top: 45%; width: 9px; height: 9px; border-right: 1.5px solid var(--muted); border-bottom: 1.5px solid var(--muted); transform: translate(-50%, -50%) rotate(45deg); transition: border-color .25s ease; }
.uc437__item.is-open .uc437__chevron { transform: rotate(180deg); }
.uc437__item.is-open .uc437__chevron::before { border-color: var(--ink); }
.uc437__list .faq__a p { padding: 0 0 22px; font-size: 14px; line-height: 1.85; color: var(--muted); }
.uc437__more { margin-top: 32px; }
.uc437__more-link { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14px; line-height: 1.45; color: var(--ink); text-decoration: none; }
.uc437__more-link:hover { color: var(--muted); }
.uc437__more-icon { flex-shrink: 0; width: 14px; height: 14px; }
@media (max-width: 768px) {
  .uc437__title { font-size: 26px; }
  .uc437__list { margin-top: 32px; }
  .uc437__q { font-size: 15px; }
}

/* ===========================================================
   uc471 — 最終CTA（ダーク・フルブリード帯）
   =========================================================== */
.uc471 { position: relative; isolation: isolate; background: #1a1a1a center/cover no-repeat; background-image: url("../assets/images/cg-cta-evening.jpg"); text-align: center; }
.uc471::before { content: ""; position: absolute; inset: 0; background: rgba(17,17,17,.82); z-index: -1; }
.uc471__inner { position: relative; z-index: 1; max-width: 720px; margin-inline: auto; padding-inline: 24px; }
.uc471__eyebrow { margin: 0; color: var(--yellow); font-weight: 700; font-size: 12px; letter-spacing: 2.4px; }
.uc471__title { margin: 24px 0 0; color: #fff; font-weight: 700; font-size: 36px; line-height: 1.4; }
.uc471__lead { margin: 24px 0 0; color: rgba(255,255,255,.7); font-size: 16px; line-height: 1.6; }
.uc471__actions { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; margin-top: 40px; }
.uc471 .btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.55); }
@media (max-width: 640px) {
  .uc471__title { font-size: 26px; }
  .uc471__actions { flex-direction: column; align-items: center; }
}

/* ===========================================================
   ucbranch — 兄弟・関連への即分岐（ハブ&スポーク結節点）
   ※ リフォームページ構成ドキュ section2 用の独自UI（新築テンプレに存在しない）
   =========================================================== */
.ucbranch { padding-top: 56px; padding-bottom: 56px; border-bottom: 1px solid var(--border); }
.ucbranch__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 48px); }
.ucbranch__col-title { margin: 0 0 16px; font-weight: 700; font-size: 12px; letter-spacing: 2.4px; text-transform: uppercase; color: var(--muted); }
.ucbranch__links { display: flex; flex-direction: column; gap: 12px; }
.ucbranch__link { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 20px; background: #fff; border: 1px solid var(--border); border-radius: 10px; text-decoration: none; transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease; }
.ucbranch__link:hover { transform: translateY(-2px); border-color: var(--yellow); box-shadow: 0 8px 20px rgba(0,0,0,.06); }
.ucbranch__link-main { display: flex; flex-direction: column; gap: 2px; }
.ucbranch__link-name { font-weight: 700; font-size: 15px; line-height: 1.4; color: var(--ink); }
.ucbranch__link-desc { font-size: 12px; line-height: 1.5; color: var(--muted); }
.ucbranch__link-arrow { flex: 0 0 16px; width: 16px; height: 16px; color: var(--muted); transition: transform .2s ease, color .2s ease; }
.ucbranch__link:hover .ucbranch__link-arrow { transform: translateX(3px); color: var(--ink); }
.ucbranch__link-arrow svg { width: 100%; height: 100%; display: block; }
@media (max-width: 768px) {
  .ucbranch__grid { grid-template-columns: 1fr; gap: 32px; }
}