/* 会社案内・カタログ・パンフレット制作ページ（page-booklet.php）専用。クラスは bk- で始める */
.bk-page {
  --bk-ink: #2b2f36;
  --bk-muted: #5d6575;
  --bk-line: #d8dce2;
  --bk-paper: #f5f6f4;
  --bk-sheet: #ffffff;
  --bk-accent: #17788a;      /* サイトの #3EB1C6 を文字用に濃くしたもの */
  --bk-accent-soft: #e4f3f6;
  --bk-accent-bright: #3eb1c6;
  --bk-mag: #c2185b;         /* トンボ */
  --bk-num: "DM Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  color-scheme: light;       /* サイトはライト表示のみ。端末がダークモードでも読めるよう色を固定する */
  color: var(--bk-ink);
  background: var(--bk-sheet);
  font-size: 16px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}
.bk-page *, .bk-page *::before, .bk-page *::after { box-sizing: border-box; }
.bk-inner { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.bk-section { padding: 56px 0; border-top: 1px solid var(--bk-line); }
.bk-section:first-of-type { border-top: 0; }
.bk-section.bk-tint { background: var(--bk-paper); }
.bk-h2 { font-size: clamp(22px, 3vw, 28px); line-height: 1.45; margin: 0 0 12px; font-weight: 700; letter-spacing: .02em; }
.bk-h3 { font-size: 18px; margin: 32px 0 10px; font-weight: 700; }
.bk-lead { color: var(--bk-muted); margin: 0 0 24px; max-width: 70ch; }
.bk-note { font-size: 14px; color: var(--bk-muted); margin: 10px 0 0; }
.bk-page a { color: var(--bk-accent); }

/* ファーストビュー */
/* サイトの固定ヘッダーの高さ分を、ファーストビューの上の余白に足す（背景色が途切れないように） */
.bk-page [id] { scroll-margin-top: calc(var(--bk-header, 93px) + 16px); }
.bk-hero { padding: calc(var(--bk-header, 93px) + 40px) 0 48px; background: linear-gradient(180deg, var(--bk-accent-soft), var(--bk-sheet)); }
.bk-hero h1 { font-size: clamp(26px, 4.2vw, 40px); line-height: 1.35; margin: 0 0 18px; font-weight: 700; letter-spacing: .03em; }
.bk-hero p { max-width: 64ch; margin: 0 0 18px; }
.bk-points { list-style: none; padding: 0; margin: 0 0 26px; display: grid; gap: 8px; }
.bk-points li { padding-left: 1.6em; position: relative; }
.bk-points li::before { content: ""; position: absolute; left: .2em; top: .62em; width: .7em; height: .38em; border-left: 2px solid var(--bk-accent); border-bottom: 2px solid var(--bk-accent); transform: rotate(-45deg); }
.bk-btns { display: flex; flex-wrap: wrap; gap: 12px; }
.bk-btn { display: inline-block; text-decoration: none; font-weight: 700; padding: 13px 22px; border-radius: 8px; border: 2px solid var(--bk-accent); line-height: 1.4; }
.bk-page a.bk-btn { color: var(--bk-accent); background: var(--bk-sheet); }
.bk-page a.bk-btn.bk-primary { color: #fff; background: var(--bk-accent); }
.bk-btn:focus-visible { outline: 3px solid var(--bk-ink); outline-offset: 2px; }

/* 表 */
.bk-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.bk-table { width: 100%; border-collapse: collapse; font-size: 15px; background: var(--bk-sheet); }
.bk-table th, .bk-table td { border-bottom: 1px solid var(--bk-line); padding: 12px 10px; text-align: left; vertical-align: top; }
.bk-table thead th { background: var(--bk-accent); color: #fff; font-weight: 700; white-space: nowrap; }
.bk-table tbody th { font-weight: 700; }
.bk-table .bk-num { font-family: var(--bk-num); font-variant-numeric: tabular-nums; white-space: nowrap; }
.bk-table small { display: block; color: var(--bk-muted); font-size: 13px; line-height: 1.6; }
/* スマホでは表をカード状に積む（横スクロールを出さない） */
@media (max-width: 640px) {
  .bk-table.bk-stack thead { display: none; }
  .bk-table.bk-stack, .bk-table.bk-stack tbody, .bk-table.bk-stack tr, .bk-table.bk-stack th, .bk-table.bk-stack td { display: block; width: 100%; }
  .bk-table.bk-stack tr { border: 1px solid var(--bk-line); border-radius: 8px; margin-bottom: 12px; padding: 6px 12px; }
  .bk-table.bk-stack th, .bk-table.bk-stack td { border: 0; padding: 6px 0; }
  .bk-table.bk-stack td[data-label]::before { content: attr(data-label); display: block; font-size: 12px; color: var(--bk-muted); font-weight: 700; }
  .bk-table.bk-stack .bk-num { white-space: normal; }
  /* 数字の表は「見出し：値」を横に並べて短くする */
  .bk-table.bk-compact td[data-label] { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; text-align: right; }
  .bk-table.bk-compact td[data-label]::before { display: inline; text-align: left; flex: none; }
  .bk-table.bk-compact td[data-label] small { text-align: right; }
}
.bk-formula { background: var(--bk-paper); border-left: 3px solid var(--bk-accent); padding: 12px 16px; margin: 16px 0 0; font-size: 15px; }
.bk-model { border: 1px solid var(--bk-line); border-radius: 8px; padding: 16px 18px; background: var(--bk-sheet); }
.bk-model b { font-family: var(--bk-num); font-weight: 500; }

/* 概算シミュレーター */
.bk-est { display: grid; gap: 20px; }
.bk-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.bk-tab { font: inherit; font-weight: 700; border: 1px solid var(--bk-line); background: var(--bk-sheet); color: var(--bk-ink); padding: 8px 14px; border-radius: 999px; cursor: pointer; }
.bk-tab[aria-selected="true"] { background: var(--bk-accent); border-color: var(--bk-accent); color: #fff; }
.bk-tab:focus-visible { outline: 2px solid var(--bk-ink); outline-offset: 2px; }
.bk-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 28px; align-items: start; }
@media (max-width: 820px) { .bk-grid { grid-template-columns: 1fr; } }
.bk-est form { display: grid; gap: 22px; min-width: 0; margin: 0; }
.bk-est fieldset { border: 0; padding: 0; margin: 0; display: grid; gap: 10px; min-width: 0; }
.bk-est fieldset[hidden], .bk-est [hidden] { display: none !important; }
.bk-est legend { font-weight: 700; margin-bottom: 6px; padding: 0; }
.bk-hint { font-size: 13px; color: var(--bk-muted); margin: 0; line-height: 1.6; }
.bk-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.bk-chip { position: relative; margin: 0; }
.bk-chip input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; width: 100%; height: 100%; }
.bk-chip span { display: block; border: 1px solid var(--bk-line); background: var(--bk-sheet); color: var(--bk-ink); padding: 8px 14px; border-radius: 8px; font-size: 14px; line-height: 1.5; }
.bk-chip input:checked + span { border-color: var(--bk-accent); background: var(--bk-accent-soft); color: var(--bk-accent); font-weight: 700; }
.bk-chip input:focus-visible + span { outline: 2px solid var(--bk-accent); outline-offset: 2px; }
.bk-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.bk-stepper { display: inline-flex; align-items: center; border: 1px solid var(--bk-line); border-radius: 8px; background: var(--bk-sheet); overflow: hidden; }
.bk-stepper button { font: inherit; border: 0; background: transparent; color: var(--bk-ink); width: 44px; height: 44px; cursor: pointer; font-size: 18px; }
.bk-stepper button:disabled { color: var(--bk-line); cursor: default; }
.bk-stepper button:focus-visible { outline: 2px solid var(--bk-accent); outline-offset: -2px; }
.bk-stepper span { padding-right: 6px; color: var(--bk-muted); }
.bk-est input[type=number] { font: inherit; font-family: var(--bk-num); width: 110px; padding: 7px 10px; border: 1px solid var(--bk-line); border-radius: 8px; background: var(--bk-sheet); color: var(--bk-ink); }
.bk-est .bk-stepper input[type=number] { width: 72px; border: 0; border-radius: 0; text-align: center; padding: 7px 4px; }
.bk-check { display: flex; gap: 10px; align-items: flex-start; cursor: pointer; margin: 0; }
.bk-check input { margin-top: 7px; accent-color: var(--bk-accent); width: 16px; height: 16px; flex: none; }
.bk-check small { display: block; color: var(--bk-muted); font-size: 13px; line-height: 1.6; }
.bk-sub { padding-left: 26px; display: grid; gap: 8px; }

/* 見積もり欄（校正紙風・トンボ付き） */
.bk-sheet { position: sticky; top: calc(var(--bk-header, 93px) + 16px); background: var(--bk-sheet); border: 1px solid var(--bk-line); padding: 26px 24px 22px; margin: 9px; min-width: 0; }
@media (max-width: 820px) { .bk-sheet { position: static; } }
.bk-sheet::before, .bk-sheet::after, .bk-sheet .bk-tb::before, .bk-sheet .bk-tb::after { content: ""; position: absolute; width: 18px; height: 18px; border-color: var(--bk-mag); opacity: .7; }
.bk-sheet::before { top: -9px; left: -9px; border-top: 1px solid; border-left: 1px solid; }
.bk-sheet::after { top: -9px; right: -9px; border-top: 1px solid; border-right: 1px solid; }
.bk-sheet .bk-tb::before { bottom: -9px; left: -9px; border-bottom: 1px solid; border-left: 1px solid; }
.bk-sheet .bk-tb::after { bottom: -9px; right: -9px; border-bottom: 1px solid; border-right: 1px solid; }
.bk-eyebrow { font-size: 12px; letter-spacing: .12em; color: var(--bk-muted); margin: 0; }
.bk-spec { font-weight: 700; margin: 2px 0 14px; }
.bk-total { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; border-bottom: 2px solid var(--bk-ink); padding-bottom: 10px; }
.bk-total .bk-totalnum { font-family: var(--bk-num); font-size: clamp(26px, 4vw, 34px); font-weight: 500; font-variant-numeric: tabular-nums; letter-spacing: -.01em; line-height: 1.3; }
.bk-total .bk-unit { color: var(--bk-muted); font-size: 13px; }
.bk-taxin { font-size: 13px; color: var(--bk-muted); margin: 6px 0 16px; }
.bk-sheet table { width: 100%; border-collapse: collapse; font-size: 14px; }
.bk-sheet td { padding: 7px 0; border-bottom: 1px solid var(--bk-line); vertical-align: top; }
.bk-sheet td.bk-amt { text-align: right; font-family: var(--bk-num); font-variant-numeric: tabular-nums; white-space: nowrap; padding-left: 12px; }
.bk-sheet td small { display: block; color: var(--bk-muted); font-size: 12px; line-height: 1.5; }
.bk-period { display: flex; justify-content: space-between; gap: 12px; margin: 14px 0 18px; font-size: 14px; }
.bk-period b { font-family: var(--bk-num); font-weight: 500; }
.bk-cta { display: block; width: 100%; font: inherit; font-weight: 700; border: 0; border-radius: 8px; background: var(--bk-accent); color: #fff; padding: 14px 16px; cursor: pointer; }
.bk-cta:focus-visible { outline: 2px solid var(--bk-ink); outline-offset: 2px; }
.bk-fine { font-size: 12px; color: var(--bk-muted); margin: 12px 0 0; line-height: 1.6; }

/* 進め方（週の目盛り付きの図） */
.bk-flow { margin: 8px 0 0; }
.bk-weeks { display: grid; grid-template-columns: 180px repeat(8, minmax(0, 1fr)); font-size: 12px; color: var(--bk-muted); border-bottom: 1px solid var(--bk-line); padding-bottom: 6px; }
.bk-weeks span { text-align: center; font-family: var(--bk-num); }
.bk-step { display: grid; grid-template-columns: 180px repeat(8, minmax(0, 1fr)); align-items: center; padding: 8px 0; border-bottom: 1px dashed var(--bk-line); }
.bk-step-name { font-weight: 700; font-size: 15px; padding-right: 10px; display: flex; gap: 8px; align-items: baseline; }
.bk-step-no { font-family: var(--bk-num); color: var(--bk-accent); font-size: 13px; }
.bk-bar { height: 22px; border-radius: 4px; background: var(--bk-accent-bright); }
.bk-bar.bk-light { background: var(--bk-accent-soft); border: 1px solid var(--bk-accent-bright); }
.bk-step-desc { grid-column: 2 / -1; font-size: 14px; color: var(--bk-ink); margin: 6px 0 0; line-height: 1.7; }
@media (max-width: 760px) {
  .bk-weeks { display: none; }
  .bk-step { grid-template-columns: 1fr; border-left: 3px solid var(--bk-accent-bright); padding: 4px 0 12px 14px; margin-left: 4px; border-bottom: 0; }
  .bk-step .bk-bar { display: none; }
  .bk-step-desc { grid-column: auto; }
  .bk-step-when { display: inline; }
}
.bk-step-when { display: none; font-family: var(--bk-num); font-size: 12px; color: var(--bk-muted); font-weight: 500; }

/* 実績カード */
.bk-works { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.bk-page article.bk-work { margin: 0; width: auto; max-width: none; padding: 0; }
.bk-work { border: 1px solid var(--bk-line); border-radius: 8px; overflow: hidden; background: var(--bk-sheet); display: flex; flex-direction: column; }
.bk-page .bk-work img { width: 100%; height: auto; max-width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; background: var(--bk-paper); }
.bk-work-body { padding: 14px 16px 16px; display: grid; gap: 8px; }
.bk-work h3 { font-size: 16px; margin: 0; line-height: 1.5; }
.bk-page .bk-work h3 a { color: var(--bk-ink); text-decoration: none; }
.bk-work dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; font-size: 13px; }
.bk-work dt { color: var(--bk-muted); }
.bk-work dd { margin: 0; }

/* よくある質問 */
.bk-faq { display: grid; gap: 10px; }
.bk-faq details { border: 1px solid var(--bk-line); border-radius: 8px; background: var(--bk-sheet); }
.bk-faq summary { cursor: pointer; padding: 14px 16px; font-weight: 700; list-style: none; display: flex; gap: 10px; }
.bk-faq summary::-webkit-details-marker { display: none; }
.bk-faq summary::before { content: "Q"; font-family: var(--bk-num); color: var(--bk-accent); flex: none; }
.bk-faq details[open] summary { border-bottom: 1px dashed var(--bk-line); }
.bk-faq .bk-a { padding: 12px 16px 16px 40px; margin: 0; }

/* 概算のご依頼 */
.bk-request { border: 2px solid var(--bk-accent); border-radius: 10px; padding: 24px; background: var(--bk-sheet); }
.bk-request ul { margin: 10px 0 18px; padding-left: 1.3em; display: grid; gap: 4px; }
.bk-tel { font-family: var(--bk-num); font-size: 20px; }

/* 実績ページの相談ボタン（single.php） */
.bk-works-cta { margin: 32px 0; text-align: center; }
.bk-works-cta a { display: inline-block; padding: 13px 24px; border-radius: 8px; background: #17788a; color: #fff; text-decoration: none; font-weight: 700; }

/* atsform.css が全ページの button[type="button"] に付けているスタイル（オレンジ・幅60%・高さ70px）を、このページでは打ち消す */
.bk-page button[type="button"] { height: auto; margin: 0; display: inline-block; width: auto; letter-spacing: normal; font-size: inherit; line-height: 1.5; border-radius: 8px; }
.bk-page button[type="button"].bk-tab { background: var(--bk-sheet); color: var(--bk-ink); border: 1px solid var(--bk-line); padding: 8px 14px; border-radius: 999px; font-weight: 700; font-size: 15px; }
.bk-page button[type="button"].bk-tab[aria-selected="true"] { background: var(--bk-accent); border-color: var(--bk-accent); color: #fff; }
.bk-page .bk-stepper button[type="button"] { width: 44px; height: 44px; border: 0; border-radius: 0; background: transparent; color: var(--bk-ink); padding: 0; font-size: 18px; font-weight: 400; }
.bk-page .bk-stepper button[type="button"]:disabled { color: var(--bk-line); }
.bk-page button[type="button"].bk-cta { display: block; width: 100%; border: 0; background: var(--bk-accent); color: #fff; padding: 14px 16px; font-weight: 700; font-size: 16px; }

/* 写真（すべて公開済みの実績） */
.bk-page figure { margin: 0; }
.bk-page picture, .bk-page picture img { display: block; }
.bk-page figure img { width: 100%; height: auto; max-width: 100%; }
.bk-page figcaption { font-size: 12px; color: var(--bk-muted); margin-top: 6px; line-height: 1.5; }

/* ファーストビュー：左に文字、右に写真 */
.bk-hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 40px; align-items: center; }
.bk-hero-photo img { border-radius: 10px; box-shadow: 0 14px 40px rgba(23, 120, 138, .18); aspect-ratio: 4 / 3; object-fit: cover; }
@media (max-width: 900px) {
  .bk-hero-grid { grid-template-columns: 1fr; gap: 24px; }
  .bk-hero-photo { order: -1; } /* スマホでは見出しの上に写真 */
  .bk-hero-photo img { aspect-ratio: 16 / 9; }
}

/* こんな方に：写真付きのカード */
.bk-uses { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.bk-use { border: 1px solid var(--bk-line); border-radius: 10px; overflow: hidden; background: var(--bk-sheet); display: flex; flex-direction: column; }
.bk-use-photo { position: relative; }
.bk-use-photo img { aspect-ratio: 3 / 2; object-fit: cover; }
.bk-use-photo figcaption { position: absolute; left: 0; bottom: 0; margin: 0; padding: 4px 10px; background: rgba(43, 47, 54, .72); color: #fff; font-size: 11px; border-top-right-radius: 6px; }
.bk-use-body { padding: 14px 18px 18px; display: grid; gap: 8px; }
.bk-use-body h3 { font-size: 17px; margin: 0; line-height: 1.5; }
.bk-use-body p { margin: 0; font-size: 14px; line-height: 1.75; }
.bk-use-body p span { display: block; font-size: 12px; font-weight: 700; color: var(--bk-accent); letter-spacing: .04em; }

/* セクションの区切りの横長の写真 */
.bk-page figure.bk-band { max-width: 1080px; margin: 0 auto 36px; padding: 0 16px; } /* 中央寄せ（.bk-page figure の margin:0 より優先） */
.bk-band img { aspect-ratio: 3 / 1; object-fit: cover; border-radius: 10px; }
@media (max-width: 640px) { .bk-band img { aspect-ratio: 16 / 9; } }

/* 見出しを語の途中で折り返さない */
.bk-hero h1, .bk-h2 { word-break: auto-phrase; text-wrap: balance; }
@media (max-width: 900px) { .bk-hero { padding-top: calc(var(--bk-header, 78px) + 16px); } }