/* マンション間取り（役員用）共通：配色・書体は集会所の予約（役員用）に合わせる */
:root {
  --blue: #3366CC;
  --blue-deep: #2852A3;
  --blue-pale: #EEF3FC;
  --ai: #1D3461;
  --ai-deep: #14254A;
  --tsutsuji: #C8336E;
  --tsutsuji-deep: #A3275A;
  --teal: #1F9C99;
  --teal-pale: #E3F4F4;
  --ink: #1B2333;
  --muted: #4F5A6B;
  --paper: #FFFFFF;
  --mist: #F2F5FA;
  --line: #D5DCE7;
  --font-head: "Shippori Mincho B1", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --font-body: "BIZ UDPGothic", "Meiryo", "Yu Gothic", sans-serif;
  font-size: 112.5%;
}
:root.large { font-size: 131.25%; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--mist); color: var(--ink); font-family: var(--font-body); font-size: 1rem; line-height: 1.75; }
a { color: var(--blue-deep); }
a:focus-visible, button:focus-visible { outline: 3px solid var(--tsutsuji); outline-offset: 3px; }
[hidden] { display: none !important; }
.container { max-width: 1100px; margin: 0 auto; padding-inline: 20px; }

.site-header { background: var(--paper); border-bottom: 4px solid var(--ai); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; padding-block: 12px; }
.brand img { height: 3.3rem; width: auto; display: block; }
.header-right { display: flex; align-items: center; gap: 10px 16px; flex-wrap: wrap; margin-left: auto; }
.size-switch { display: flex; align-items: center; gap: 6px; font-size: .85rem; color: var(--muted); }
.size-switch button { font: inherit; font-weight: 700; min-height: 44px; padding: 0 12px; border: 2px solid var(--line); background: var(--paper); color: var(--ink); border-radius: 6px; cursor: pointer; }
.size-switch button[aria-pressed="true"] { border-color: var(--ai); background: var(--ai); color: #fff; }
/* ▼DEL By Cloude Code 2026/11/12 */
/* .back { display: inline-flex; align-items: center; gap: 8px; min-height: 48px; padding: 0 16px; border: 2px solid var(--ai); border-radius: 8px; font-weight: 700; text-decoration: none; color: #fff; background: var(--ai); } */
/* .back:hover { background: var(--ai-deep); border-color: var(--ai-deep); } */
/* ▲DEL By Cloude Code 2026/11/12 */
/* ▼ADD By Cloude Code 2026/11/12 「組合員専用ページ」ボタンは緑（他のページと同じ） */
.back { display: inline-flex; align-items: center; gap: 8px; min-height: 48px; padding: 0 16px; border: 2px solid #2B6E5A; border-radius: 8px; font-weight: 700; text-decoration: none; color: #fff; background: #2B6E5A; }
.back:hover { background: #225848; border-color: #225848; }
/* ▲ADD By Cloude Code 2026/11/12 */
.back svg { width: 1.25rem; height: 1.25rem; flex: none; }

/* ページ内メニュー（マンション間取りの各ページ） */
.sub-nav { background: var(--paper); border-bottom: 1px solid var(--line); }
.sub-nav ul { list-style: none; margin: 0 auto; padding: 0 20px; max-width: 1100px; display: flex; gap: 4px; overflow-x: auto; }
.sub-nav a { display: block; padding: .7rem .9rem; white-space: nowrap; text-decoration: none; font-weight: 700; color: var(--muted); border-bottom: 4px solid transparent; }
.sub-nav a:hover { color: var(--ai); }
.sub-nav a[aria-current="page"] { color: var(--ai); border-bottom-color: var(--tsutsuji); }

main { padding-block: 1.8rem 3.4rem; }
h1 { display: flex; align-items: center; gap: 14px; font-family: var(--font-head); font-weight: 800; color: var(--ai); font-size: clamp(1.6rem, 3.4vw, 2.1rem); line-height: 1.4; margin: 0 0 .6rem; }
h1::before { content: ""; width: 20px; height: 20px; flex: none; transform: rotate(45deg); background: var(--ai); border: 6px solid var(--tsutsuji); }
.lead { margin: 0 0 1.4rem; color: var(--muted); }
h2.sec { display: flex; align-items: center; gap: 10px; margin: 2rem 0 .8rem; font-size: 1.3rem; color: var(--ai); }
h2.sec::before { content: ""; width: 6px; height: 1.3em; border-radius: 3px; background: var(--tsutsuji); flex: none; }
.box { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 1.2rem 1.3rem 1.3rem; }
.note { margin: .6rem 0 0; font-size: .88rem; color: var(--muted); }

/* 図面（押すと拡大） */
.fig { margin: 0; }
.fig .zoom { display: block; width: 100%; padding: 0; border: 1px solid var(--line); border-radius: 10px; background: #fff; cursor: zoom-in; overflow: hidden; }
.fig .zoom:hover { border-color: var(--blue); }
.fig img { display: block; width: 100%; height: auto; }
.fig figcaption { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 12px; margin-top: .4rem; font-size: .88rem; color: var(--muted); }
.fig figcaption .hint::before { content: "🔍 "; }

/* 拡大表示 */
.viewer { position: fixed; inset: 0; z-index: 50; display: flex; flex-direction: column; background: rgba(20, 37, 74, .92); }
.viewer-bar { display: flex; align-items: center; gap: 8px; padding: 8px 12px; color: #fff; }
.viewer-bar .t { flex: 1; min-width: 0; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.viewer-bar button { font: inherit; font-weight: 700; min-width: 48px; min-height: 44px; padding: 0 12px; border: 2px solid #fff; border-radius: 8px; background: transparent; color: #fff; cursor: pointer; }
.viewer-bar button:hover { background: rgba(255, 255, 255, .15); }
.viewer-body { flex: 1; overflow: auto; background: #fff; touch-action: pan-x pan-y pinch-zoom; }
.viewer-body img { display: block; margin: 0 auto; max-width: none; }

/* タイプ別間取図（立面） */
.elev-wrap { overflow-x: auto; }
.elev-dir { display: flex; justify-content: space-between; min-width: 40rem; padding-left: 2.6rem; font-weight: 700; color: var(--ai); font-size: .9rem; }
.elev { display: grid; grid-template-columns: 2.4rem repeat(9, minmax(2.6rem, 1fr)) .55rem repeat(2, minmax(2.6rem, 1fr)); gap: 3px; min-width: 40rem; align-items: stretch; }
.elev .fl { display: flex; align-items: center; justify-content: flex-end; padding-right: 4px; font-size: .8rem; font-weight: 700; color: var(--muted); }
.elev .u { display: flex; align-items: center; justify-content: center; min-height: 1.9rem; border-radius: 3px; font-size: .85rem; font-weight: 700; text-decoration: none; color: var(--ai); border: 1px solid rgba(29, 52, 97, .25); }
.elev a.u:hover { outline: 3px solid var(--tsutsuji); outline-offset: 1px; position: relative; z-index: 1; }
.t-a1 { background: #A9DEDC; color: var(--ai); }
.t-a2 { background: #6FC6C2; color: var(--ai); }
.t-b1 { background: #EEF8FA; color: var(--ai); }
.t-b2 { background: #D3ECF1; color: var(--ai); }
.t-c2 { background: #1F9C99; color: #fff; }
.t-c1 { background: #1D3461; color: #fff; }
.elev .u.t-c1, .elev .u.t-c2 { color: #fff; }
.elev .ev { background: var(--ai-deep); border-radius: 2px; }
.elev .ev.top { background: none; }
.elev .gap { background: none; }
.elev .terrace { background: repeating-linear-gradient(90deg, #fff 0 3px, #9AA6BA 3px 4px); border: 1px solid #9AA6BA; border-radius: 3px; align-self: end; height: 60%; }
.elev .ph { border: 2px solid var(--ai); border-bottom: 0; height: 1.3rem; align-self: end; margin: 0 12%; }
.elev.focus .u { opacity: .35; }
.elev.focus .u.on { opacity: 1; outline: 3px solid var(--tsutsuji); outline-offset: -1px; }
.elev-legend { display: flex; flex-wrap: wrap; gap: 6px 14px; margin: .8rem 0 0; padding: 0; list-style: none; font-size: .88rem; }
.elev-legend li { display: flex; align-items: center; gap: 6px; }
.elev-legend .sw { width: 1.6rem; height: 1.1rem; border-radius: 3px; border: 1px solid rgba(29, 52, 97, .25); }

/* 表 */
.tbl-wrap { overflow-x: auto; }
table.spec { width: 100%; border-collapse: collapse; background: #fff; font-size: .93rem; }
table.spec th, table.spec td { padding: .5rem .65rem; border: 1px solid var(--line); vertical-align: top; text-align: left; }
table.spec thead th { background: var(--teal-pale); color: var(--ai); white-space: nowrap; }
table.spec tbody th { background: #F6FAFB; color: var(--ai); white-space: nowrap; }
table.spec .sm { font-size: .8em; }
table.spec .num { white-space: nowrap; font-variant-numeric: tabular-nums; }

footer { background: var(--ai-deep); color: #C9D3E6; padding-block: 1.8rem; font-size: .85rem; }
footer .container { display: flex; flex-wrap: wrap; gap: 16px 32px; justify-content: space-between; align-items: center; }
footer img { height: 3rem; width: auto; }
footer p { margin: 0; }

.sp-only { display: none; }
@media (max-width: 700px) { .sp-only { display: block; } }
/* ▼ADD By Cloude Code 2026/11/12 スマホ表示：メニューバーは横にスライドせず、3つずつ2段で表示 */
@media (max-width: 760px) {
  .sub-nav ul { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 4px; padding: 0 12px; overflow-x: visible; }
  .sub-nav a { padding: .55rem .2rem; text-align: center; font-size: .92rem; }
}
/* ▲ADD By Cloude Code 2026/11/12 */
@media (max-width: 600px) {
  .brand img { height: 2.8rem; }
  .box { padding: 1rem .9rem 1.1rem; }
  table.spec { font-size: .86rem; }
  /* ▼ADD By Cloude Code 2026/11/12 スマホ表示：選んでいるボタンは薄オレンジ（組合員専用ページと同じ）、もう一方は白地・青枠・青文字 */
  .size-switch button { background: var(--paper); border-color: var(--blue); color: var(--blue-deep); }
  .size-switch button[aria-pressed="true"] { background: #FDE6CC; border-color: #F2A65A; color: var(--ai); }
  /* ▲ADD By Cloude Code 2026/11/12 */
}
@media print {
  .site-header, .sub-nav, footer, .size-switch { display: none; }
  body { background: #fff; }
}