/* ============================================================
   がいへき計算室 — design system v2
   コンセプト: 整然・実用・信頼。ゴシック体×寒色（白/クールグレー
   ×ネイビー基調、CTAのみ緑）。装飾は最小限、情報の階層で見せる
   ============================================================ */

:root {
  --bg: #f4f6f8;
  --bg-deep: #e9edf1;
  --surface: #ffffff;
  --ink: #1b2833;
  --ink-soft: #4a5762;
  --navy: #1f4a73;
  --navy-deep: #163756;
  --navy-tint: #e8eff6;
  --cta: #0c7359;
  --cta-deep: #0a6650;
  --cta-tint: #e6f2ee;
  --line: #dbe2e8;
  --line-strong: #80909d; /* フォーム等UI境界: 白背景で3.28:1 */
  --radius: 10px;
  --shadow: 0 1px 3px rgba(27, 40, 51, .07), 0 8px 24px rgba(27, 40, 51, .06);
  --font-display: "IBM Plex Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  --font-body: "IBM Plex Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--ink);
  line-height: 1.85;
  font-size: 1.0625rem; /* 17px相当。remなのでブラウザの文字サイズ設定に追従する */
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; }

a { color: var(--navy); }

/* キーボード操作時のフォーカス可視化。
   濃紺の輪郭＋白の内側リングで、白背景・緑ボタン・濃紺帯のどこでも見えるようにする */
:focus-visible {
  outline: 3px solid var(--navy-deep);
  outline-offset: 3px;
  box-shadow: 0 0 0 3px #fff;
}

/* ---------- 広告表記（全ページ最上部・景表法対応） ---------- */
.adnote {
  background: var(--ink);
  color: #c3ccd3;
  font-size: .8125rem;
  letter-spacing: .08em;
  text-align: center;
  padding: 5px 12px;
}

/* ---------- ヘッダー ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  flex-wrap: wrap;
}
.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: .06em;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 9px;
  white-space: nowrap;
  padding: 6px 0; /* タップ領域確保 */
}
.brand .brand-mark {
  width: 28px; height: 28px;
  background: var(--navy);
  border-radius: 6px;
  color: #fff;
  font-size: .875rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
}
.site-nav { display: flex; gap: 4px; flex-wrap: wrap; }
.site-nav a {
  font-size: .9375rem;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 9px 12px;
  border-radius: 6px;
  letter-spacing: .02em;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--navy-deep); background: var(--navy-tint); }

/* スマホではナビが複数段になりヘッダーが画面を大きく占めるため、固定をやめて本文に画面を使う。
   左右の余白も詰めて段数を減らす（高さは維持するのでタップ領域44pxは保つ） */
@media (max-width: 799px) {
  .site-header { position: static; }
  .site-header .inner { padding: 10px 20px; gap: 4px 8px; }
  .site-nav { gap: 2px; }
  .site-nav a { padding: 9px 8px; }
}

/* ---------- レイアウト ---------- */
.container { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }

section { padding: 56px 0; }

.sec-label {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 28px;
}
.sec-label .num {
  font-size: .8125rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: .12em;
  background: var(--navy-tint);
  border-radius: 4px;
  padding: 2px 10px;
  flex: none;
}
.sec-label h1, .sec-label h2 { /* ページ先頭のセクション見出しはh1になることがある（/hikaku/） */
  font-family: var(--font-display);
  font-size: clamp(1.3125rem, 4vw, 1.6875rem);
  letter-spacing: .03em;
  font-weight: 700;
  color: var(--ink);
}
.sec-lede { color: var(--ink-soft); max-width: 640px; margin: -14px 0 28px; font-size: 1.0625rem; }

/* ---------- ヒーロー ---------- */
.hero { position: relative; padding: 56px 0 36px; overflow: hidden; background: var(--surface); border-bottom: 1px solid var(--line); }
.hero .inner { position: relative; }
.hero-grid { display: grid; gap: 28px; align-items: center; }
@media (min-width: 860px) { .hero-grid { grid-template-columns: 1.05fr .95fr; } }
.hero-art { margin: 0; }
.hero-art img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--line);
}
@media (max-width: 859px) { .hero-art { max-width: 480px; margin: 4px auto 0; } }
.hero-tate { display: none; }
.hero-kicker {
  display: inline-block;
  font-size: .875rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--navy);
  background: var(--navy-tint);
  border-radius: 999px;
  padding: 5px 16px;
  margin-bottom: 18px;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4.4vw, 2.625rem);
  line-height: 1.42;
  letter-spacing: .02em;
  font-weight: 700;
  margin-bottom: 16px;
}
.hero h1 .accent { color: var(--navy); position: relative; }
.hero h1 .accent::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: .24em; /* 42px時に約10px上げ。フォントサイズに追従させSPで文字に被らないように */
  height: 4px;
  background: var(--cta);
}
.hero p.lede { color: var(--ink-soft); max-width: 560px; font-size: 1.125rem; }

.hero-points { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }
.hero-points span {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: .9375rem;
  padding: 6px 14px;
  color: var(--ink-soft);
}
.hero-points b { color: var(--navy-deep); font-weight: 700; }

/* ---------- シミュレーター ---------- */
.sim-wrap {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.sim-head {
  background: var(--navy-deep);
  color: #fff;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.sim-head h2 {
  font-family: var(--font-display);
  font-size: 1.1875rem;
  letter-spacing: .05em;
  font-weight: 700;
}
.sim-head .free {
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .08em;
  background: rgba(255, 255, 255, .16);
  border-radius: 999px;
  padding: 4px 12px;
  flex: none;
}
.sim-body { padding: 26px 24px 30px; }

.sim-q { border: none; margin-bottom: 26px; }
.sim-q legend {
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: .02em;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
}
.sim-q legend .qnum {
  font-size: .8125rem;
  font-weight: 700;
  color: var(--navy);
  background: var(--navy-tint);
  border-radius: 4px;
  padding: 2px 8px;
  flex: none;
}
.sim-q legend .qnote { font-size: .875rem; color: var(--ink-soft); font-weight: 400; margin-left: auto; }
/* 狭い画面では設問と注記が押し合うので、注記を次の行へ送る */
@media (max-width: 520px) {
  .sim-q legend { flex-wrap: wrap; }
  .sim-q legend .qnote { flex-basis: 100%; margin: 2px 0 0; }
}

.pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pills label { position: relative; }
.pills input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.pills span {
  display: inline-block;
  border: 1.5px solid var(--line-strong);
  background: var(--bg);
  border-radius: 999px;
  padding: 12px 20px;
  font-size: 1rem;
  cursor: pointer;
  transition: all .15s ease;
  user-select: none;
}
.pills input:checked + span {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}
.pills input:focus-visible + span { outline: 3px solid var(--navy-deep); outline-offset: 3px; box-shadow: 0 0 0 3px #fff; }
.pills.small span { padding: 10px 16px; font-size: .9375rem; }

/* 坪数スライダー */
.tsubo-row { display: flex; align-items: center; gap: 18px; }
.tsubo-val {
  font-family: var(--font-display);
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--navy-deep);
  min-width: 104px;
  text-align: center;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 8px;
  flex: none;
}
.tsubo-val small { font-size: .9375rem; color: var(--ink-soft); margin-left: 2px; font-weight: 500; }
input[type="range"] {
  flex: 1;
  appearance: none;
  height: 44px; /* 指で掴みやすいタップ領域。見た目のバーはトラック側で描く */
  background: transparent;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(to right, var(--navy) 0%, var(--navy) var(--fill, 25%), var(--bg-deep) var(--fill, 25%), var(--bg-deep) 100%);
}
input[type="range"]::-moz-range-track {
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(to right, var(--navy) 0%, var(--navy) var(--fill, 25%), var(--bg-deep) var(--fill, 25%), var(--bg-deep) 100%);
}
input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 32px; height: 32px;
  margin-top: -11px; /* 10pxトラックの中央に合わせる */
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--navy);
  cursor: grab;
  box-shadow: 0 1px 6px rgba(27, 40, 51, .25);
}
input[type="range"]::-moz-range-thumb {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--navy);
  cursor: grab;
}
.tsubo-hint { font-size: .9375rem; color: var(--ink-soft); margin-top: 8px; }

select {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  padding: 10px 14px;
  min-height: 44px;
  border: 1.5px solid var(--line-strong);
  border-radius: 8px;
  background: var(--bg);
  color: var(--ink);
  max-width: 100%;
}

.sim-submit {
  display: block;
  width: 100%;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.1875rem;
  letter-spacing: .06em;
  color: #fff;
  background: var(--cta);
  padding: 16px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(12, 115, 89, .3);
  transition: background .15s ease, transform .15s ease;
}
.sim-submit:hover { background: var(--cta-deep); transform: translateY(-1px); }
.sim-submit:active { transform: translateY(0); }

/* ---------- 診断結果 ---------- */
.result {
  display: none;
  margin-top: 30px;
  border-top: 2px dashed var(--line);
  padding-top: 30px;
  scroll-margin-top: 96px; /* 固定ヘッダーの高さぶん */
}
@media (max-width: 799px) { .result { scroll-margin-top: 16px; } } /* SPはヘッダー非固定のため不要 */
.result.show { display: block; animation: resultIn .4s ease both; }
@keyframes resultIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

.result-sheet {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 30px 26px 26px;
}
.result-sheet .sheet-title {
  font-size: .9375rem;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--ink-soft);
  text-align: center;
  margin-bottom: 6px;
}
.result-price {
  text-align: center;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--navy-deep);
  margin: 6px 0 4px;
}
.result-price .yen { font-size: clamp(2.125rem, 7.5vw, 3.125rem); letter-spacing: 0; }
.result-price .unit { font-size: 1.0625rem; margin: 0 2px; }
.result-price .tilde { font-size: 1.5rem; margin: 0 6px; color: var(--ink-soft); }
.result-caption { text-align: center; font-size: .875rem; color: var(--ink-soft); margin-bottom: 20px; }

/* 「概算」ラベル */
.hanko {
  position: absolute;
  top: 16px; right: 18px;
  border: 2px solid var(--navy);
  border-radius: 6px;
  color: var(--navy);
  font-weight: 700;
  font-size: .875rem;
  letter-spacing: .12em;
  padding: 3px 10px;
}

.result-rows { border-top: 1px solid var(--line); margin-top: 8px; background: var(--surface); border-radius: 6px; padding: 2px 12px; }
.result-rows .row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 2px;
  border-bottom: 1px solid var(--line);
  font-size: 1rem;
}
.result-rows .row:last-child { border-bottom: none; }
.result-rows .row .k { color: var(--ink-soft); }
.result-rows .row .v { font-weight: 700; text-align: right; }

.result-comments { margin-top: 20px; }
.result-comments h4, .result-band h4 {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  letter-spacing: .04em;
  margin-bottom: 10px;
  color: var(--navy-deep);
}
.result-comments ul { list-style: none; }
.result-comments li {
  position: relative;
  padding: 6px 0 6px 20px;
  font-size: 1rem;
  color: var(--ink);
}
.result-comments li::before {
  content: "";
  position: absolute;
  left: 4px; top: 15px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--navy);
  opacity: .55;
}

.result-band { margin-top: 22px; }
.band-bar {
  position: relative;
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(90deg, #9db8d0, var(--navy), var(--navy-deep));
  margin: 26px 6px 8px;
}
.band-bar .marker {
  position: absolute;
  top: -9px;
  width: 4px; height: 32px;
  background: var(--cta);
  border-radius: 2px;
  transform: translateX(-50%);
}
.band-bar .marker::after {
  content: "目安";
  position: absolute;
  top: -20px; left: 50%;
  transform: translateX(-50%);
  font-size: .8125rem;
  color: var(--cta-deep);
  font-weight: 700;
  white-space: nowrap;
}
.band-labels { display: flex; justify-content: space-between; font-size: .875rem; color: var(--ink-soft); padding: 0 6px; }
.band-note { font-size: 1rem; margin-top: 12px; }
.band-note b { color: var(--navy-deep); }

.result-cta { margin-top: 26px; }
.result-cta .cta-lede { font-size: 1.0625rem; text-align: center; margin-bottom: 14px; }
.cta-buttons { display: grid; gap: 10px; }
@media (min-width: 640px) { .cta-buttons { grid-template-columns: 1fr 1fr; } }
.cta-btn {
  display: block;
  text-align: center;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: .02em;
  padding: 15px 18px;
  border-radius: 8px;
  transition: transform .15s ease, filter .15s ease;
}
.cta-btn small { display: block; font-weight: 400; font-size: .875rem; opacity: .85; margin-top: 3px; }
.cta-btn.primary { background: var(--cta); color: #fff; box-shadow: 0 2px 10px rgba(12, 115, 89, .25); }
.cta-btn.secondary { background: var(--navy); color: #fff; box-shadow: 0 2px 10px rgba(31, 74, 115, .25); }
.cta-btn:hover { transform: translateY(-1px); filter: brightness(.96); }
.cta-more { text-align: center; font-size: 1rem; margin-top: 14px; }

.result-sources { margin-top: 24px; font-size: .8125rem; color: var(--ink-soft); line-height: 1.7; }
.result-sources a { color: var(--navy); }
.result-disclaimer {
  margin-top: 10px;
  font-size: .8125rem;
  color: var(--ink-soft);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 14px;
}

/* ---------- 手順 ---------- */
.steps { display: grid; gap: 16px; }
@media (min-width: 720px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px;
  position: relative;
}
.step-card .kanji {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
  color: #b8cbdd; /* 元の#e8eff6は白背景で1.16:1とほぼ見えないため、手順番号として認識できる濃さに */
  position: absolute;
  top: 8px; right: 16px;
  line-height: 1;
}
.step-card h3 { font-family: var(--font-display); font-size: 1.125rem; letter-spacing: .02em; margin-bottom: 10px; }
.step-card p { font-size: 1rem; color: var(--ink-soft); }

/* ---------- 比較表 ---------- */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
table.cmp { border-collapse: collapse; width: 100%; min-width: 760px; font-size: 1rem; }
table.cmp th, table.cmp td { padding: 13px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
table.cmp thead th {
  background: var(--navy-deep);
  color: #fff;
  letter-spacing: .04em;
  font-size: .9375rem;
  white-space: nowrap;
  position: sticky;
  top: 0;
}
table.cmp tbody tr:nth-child(even) { background: var(--bg); }
table.cmp td.svc-name { font-weight: 700; white-space: nowrap; }
table.cmp small { font-size: .875rem; } /* smallの既定0.83emだと小さくなりすぎるため下限を固定 */
table.cmp td.svc-name small { display: block; font-weight: 400; font-size: .875rem; color: var(--ink-soft); }
.badge {
  display: inline-block;
  font-size: .8125rem;
  border-radius: 4px;
  padding: 2px 8px;
  font-weight: 700;
  letter-spacing: .02em;
  white-space: nowrap;
}
.badge.shu { background: var(--cta-tint); color: var(--cta-deep); }
.badge.ai { background: var(--navy-tint); color: var(--navy-deep); }
.badge.midori { background: var(--cta-tint); color: var(--cta-deep); }

/* サービスカード */
.svc-cards { display: grid; gap: 18px; margin-top: 30px; }
.svc-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: var(--shadow);
  position: relative;
}
.svc-card .svc-rank {
  position: absolute;
  top: -12px; left: 18px;
  background: var(--navy-deep);
  color: #fff;
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .08em;
  border-radius: 4px;
  padding: 3px 12px;
}
.svc-card h3 { font-family: var(--font-display); font-size: 1.25rem; letter-spacing: .02em; margin-bottom: 2px; }
.svc-card .svc-company { font-size: .9375rem; color: var(--ink-soft); margin-bottom: 12px; }
.svc-card .svc-points { list-style: none; margin: 0 0 16px; }
.svc-card .svc-points li { position: relative; padding: 4px 0 4px 22px; font-size: 1rem; }
.svc-card .svc-points li::before {
  content: "✓";
  position: absolute;
  left: 0; top: 4px;
  color: var(--cta);
  font-weight: 700;
  font-size: 1rem;
}
.svc-card .svc-fit { font-size: 1rem; background: var(--navy-tint); border-left: 3px solid var(--navy); padding: 8px 12px; margin-bottom: 16px; border-radius: 0 4px 4px 0; }

/* ---------- 記事 ---------- */
.article { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 36px 30px; box-shadow: var(--shadow); }
@media (max-width: 640px) { .article { padding: 28px 20px; } }
.article h1 { font-family: var(--font-display); font-size: clamp(1.4375rem, 4.6vw, 1.875rem); letter-spacing: .02em; line-height: 1.5; margin-bottom: 10px; }
.article .meta { font-size: .875rem; color: var(--ink-soft); margin-bottom: 26px; }
.article h2 {
  font-family: var(--font-display);
  font-size: 1.375rem;
  letter-spacing: .02em;
  margin: 40px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--navy);
}
.article h3 { font-family: var(--font-display); font-size: 1.1875rem; margin: 28px 0 12px; letter-spacing: .02em; }
.article p { margin-bottom: 16px; font-size: 1.0625rem; }
.article ul, .article ol { margin: 0 0 16px 24px; font-size: 1.0625rem; }
.article li { margin-bottom: 6px; }
.article .note { font-size: .9375rem; color: var(--ink-soft); background: var(--bg); border-radius: 6px; padding: 12px 16px; margin: 16px 0; }
.article table { border-collapse: collapse; width: 100%; font-size: 1rem; margin: 16px 0; }
.article th, .article td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
/* 狭い画面では余白を詰めて、文字を大きいまま折り返しを減らす */
@media (max-width: 520px) { .article th, .article td { padding: 9px 7px; } }
.article thead th { background: var(--navy-tint); font-size: .9375rem; }
.article .src { font-size: .8125rem; color: var(--ink-soft); margin: -8px 0 20px; }

/* ---------- FAQ ---------- */
.faq details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-bottom: 10px;
  overflow: hidden;
}
.faq summary {
  cursor: pointer;
  padding: 16px 20px;
  font-weight: 700;
  font-size: 1.0625rem;
  list-style: none;
  display: flex;
  gap: 12px;
  align-items: baseline;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "Q"; font-family: var(--font-display); font-weight: 700; color: var(--navy); flex: none; }
.faq details[open] summary { border-bottom: 1px dashed var(--line); }
.faq .faq-a { padding: 14px 20px 18px; font-size: 1.0625rem; color: var(--ink-soft); display: flex; gap: 12px; }
.faq .faq-a::before { content: "A"; font-family: var(--font-display); font-weight: 700; color: var(--cta); flex: none; }

/* ---------- CTAバンド ---------- */
.cta-band { background: var(--navy-deep); color: #fff; text-align: center; }
.cta-band h2 { font-family: var(--font-display); font-size: clamp(1.25rem, 4.2vw, 1.625rem); letter-spacing: .04em; margin-bottom: 12px; }
.cta-band p { font-size: 1.0625rem; opacity: .95; max-width: 560px; margin: 0 auto 24px; }
.cta-band .cta-btn { display: inline-block; min-width: 260px; }

/* ---------- フッター ---------- */
.site-footer { background: var(--ink); color: #b6c0c8; padding: 40px 0 28px; font-size: .9375rem; }
.site-footer .cols { display: flex; flex-wrap: wrap; gap: 28px; justify-content: space-between; margin-bottom: 24px; }
.site-footer .f-brand { font-family: var(--font-display); font-weight: 700; font-size: 1.0625rem; letter-spacing: .06em; color: #fff; margin-bottom: 8px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.site-footer a { color: #b6c0c8; text-decoration: none; }
.site-footer nav a { display: inline-block; padding: 6px 0; }
.site-footer a:hover { color: #fff; }
.site-footer .legal { border-top: 1px solid rgba(255,255,255,.12); padding-top: 18px; font-size: .8125rem; line-height: 1.8; }

/* ---------- 汎用 ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
/* .reveal はJS有効時（html.js）のみ初期非表示にする（JS無効でも内容が見える） */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}