/* ==========================================================================
   Re:post — 白基調デザイン（2026-10 全面改訂）
   冷凍庫の中のような白と、深い冷気の青を1色だけ。
   見出し：Zen Kaku Gothic New ／ 本文：Noto Sans JP
   ========================================================================== */

:root{
  --paper:#ffffff;
  --frost:#eef4f7;
  --ink:#13232e;
  --muted:#536673;
  --line:#d3e0e7;
  --cold:#0a64a0;
  --cold-deep:#073f66;
  --cold-soft:#e3f0f8;
  --danger:#b3261e;
  --ok:#1d7a4c;
  --tbd-bg:#fff1b8;
  --tbd-ink:#5c4300;
  --max:1120px;
  --radius:12px;
}

*{ box-sizing:border-box; }
[hidden]{ display:none !important; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
@media (prefers-reduced-motion:reduce){ html{ scroll-behavior:auto; } }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Noto Sans JP',-apple-system,BlinkMacSystemFont,'Hiragino Sans',Meiryo,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
a{ color:var(--cold); }
a:hover{ color:var(--cold-deep); }
img{ max-width:100%; display:block; }
h1,h2,h3{ font-family:'Zen Kaku Gothic New',sans-serif; font-weight:700; margin:0; line-height:1.4; color:var(--ink); }
p{ margin:0; }
:focus-visible{ outline:3px solid var(--cold); outline-offset:3px; border-radius:4px; }

.container{ width:min(calc(100% - 32px), var(--max)); margin:0 auto; }

/* 未確定の情報（ボス確認待ち）。公開前にすべて消す */
.tbd{
  background:var(--tbd-bg); color:var(--tbd-ink);
  padding:1px 6px; border-radius:4px; font-weight:700; font-size:.92em;
}

/* ---------- ボタン ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  font:inherit; font-weight:700; font-size:16px; line-height:1.4;
  padding:15px 24px; border-radius:10px; border:2px solid transparent;
  text-decoration:none; cursor:pointer;
}
.btn-primary{ background:var(--cold); color:#fff; }
.btn-primary:hover{ background:var(--cold-deep); color:#fff; }
.btn-line{ background:var(--paper); color:var(--cold-deep); border-color:var(--cold); }
.btn-line:hover{ background:var(--cold-soft); color:var(--cold-deep); }
.btn[disabled]{ opacity:.55; cursor:not-allowed; }
.btn small{ font-weight:500; font-size:13px; }

/* ---------- ヘッダー ---------- */
.site-header{ border-bottom:1px solid var(--line); background:var(--paper); position:sticky; top:0; z-index:10; }
.header-inner{ display:flex; align-items:center; gap:24px; min-height:68px; }
.brand{ font-family:'Zen Kaku Gothic New',sans-serif; font-weight:900; font-size:24px; color:var(--ink); text-decoration:none; letter-spacing:.01em; }
.brand:hover{ color:var(--ink); }
.brand-sub{ display:block; font-family:'Noto Sans JP',sans-serif; font-weight:500; font-size:11px; color:var(--muted); letter-spacing:0; line-height:1.2; }
.nav-links{ display:none; gap:22px; margin-left:auto; }
.nav-links a{ color:var(--ink); text-decoration:none; font-size:14px; font-weight:500; }
.nav-links a:hover{ color:var(--cold); }
.header-tel{ display:none; text-decoration:none; color:var(--ink); font-weight:700; line-height:1.2; text-align:right; }
.header-tel span{ display:block; font-size:11px; font-weight:500; color:var(--muted); }
.nav-toggle{
  margin-left:auto; width:44px; height:44px; border:1px solid var(--line); border-radius:10px;
  background:var(--paper); color:var(--ink); display:grid; place-items:center; cursor:pointer;
}
.nav-toggle svg{ width:20px; height:20px; }
.nav-mobile{ display:none; flex-direction:column; padding:8px 0 16px; border-top:1px solid var(--line); }
.nav-mobile.open{ display:flex; }
.nav-mobile a{ padding:12px 0; color:var(--ink); text-decoration:none; font-weight:500; border-bottom:1px solid var(--frost); }
@media (min-width:960px){
  .nav-links{ display:flex; }
  .header-tel{ display:block; }
  .nav-toggle, .nav-mobile{ display:none !important; }
}

/* ---------- セクション共通 ---------- */
.section{ padding:72px 0; }
.section-frost{ background:var(--frost); }
.section-head{ max-width:640px; margin-bottom:36px; }
.section-head h2{ font-size:clamp(24px,3.4vw,32px); margin-bottom:12px; }
.section-head p{ color:var(--muted); }

/* ---------- ヒーロー ---------- */
.hero{ padding:56px 0 64px; }
.hero-grid{ display:grid; gap:40px; align-items:center; }
@media (min-width:900px){ .hero-grid{ grid-template-columns:1.25fr .75fr; gap:64px; } }
.hero h1{ font-size:clamp(36px,6.4vw,64px); line-height:1.25; letter-spacing:.01em; margin-bottom:20px; }
.hero-lead{ font-size:clamp(16px,1.8vw,18px); color:var(--muted); max-width:34em; margin-bottom:32px; }
.hero-actions{ display:flex; flex-wrap:wrap; gap:12px; margin-bottom:16px; }
.hero-note{ font-size:13px; color:var(--muted); }

/* 温度計：このサイトで一番目立たせる要素 */
.gauge{ border:1px solid var(--line); border-radius:16px; padding:24px; background:var(--paper); }
.gauge-title{ font-weight:700; font-size:15px; margin-bottom:16px; }
.gauge-body{ display:grid; grid-template-columns:28px 1fr; gap:16px; }
.gauge-tube{
  border-radius:14px; min-height:300px;
  background:linear-gradient(180deg,#f3f6f8 0%,#cfe4f1 30%,#7fb7da 55%,#2b80b8 78%,#073f66 100%);
}
.gauge-scale{ list-style:none; padding:0; margin:0; display:grid; grid-template-rows:repeat(4,1fr); }
.gauge-scale li{ display:flex; flex-direction:column; justify-content:center; border-top:1px dashed var(--line); padding:6px 0; }
.gauge-scale li:first-child{ border-top:0; }
.gauge-scale strong{ font-size:15px; }
.gauge-scale span{ font-size:12.5px; color:var(--muted); line-height:1.6; }
.gauge-scale .gauge-bottom strong{ font-family:'Zen Kaku Gothic New',sans-serif; font-size:30px; color:var(--cold-deep); line-height:1.2; }
.gauge-scale .gauge-bottom span{ color:var(--cold-deep); font-weight:700; }

/* 対応範囲の一覧 */
.facts{ display:grid; gap:0; margin:48px 0 0; border-top:1px solid var(--line); }
.facts div{ padding:16px 0; border-bottom:1px solid var(--line); display:grid; gap:4px; }
.facts dt{ font-size:13px; color:var(--muted); }
.facts dd{ margin:0; font-weight:700; }
@media (min-width:760px){
  .facts{ grid-template-columns:repeat(4,1fr); border-bottom:1px solid var(--line); }
  .facts div{ border-bottom:0; padding:18px 20px 18px 0; }
  .facts div + div{ border-left:1px solid var(--line); padding-left:20px; }
}

/* ---------- 入口3つ ---------- */
.doors{ display:grid; gap:16px; }
@media (min-width:860px){ .doors{ grid-template-columns:1.2fr 1fr 1fr; } }
.door{
  display:flex; flex-direction:column; gap:12px;
  background:var(--paper); border:1px solid var(--line); border-radius:var(--radius);
  padding:28px 24px; text-decoration:none; color:var(--ink);
}
.door:hover{ border-color:var(--cold); color:var(--ink); }
.door-main{ border:2px solid var(--cold); }
.door-who{ font-size:14px; color:var(--cold-deep); font-weight:700; }
.door h3{ font-size:21px; }
.door p{ color:var(--muted); font-size:15px; }
.door-more{ margin-top:auto; padding-top:8px; font-weight:700; color:var(--cold); font-size:15px; }

/* ---------- 信用 ---------- */
.trust{ display:grid; gap:0; border-top:1px solid var(--line); }
.trust-item{ display:grid; gap:6px; padding:24px 0; border-bottom:1px solid var(--line); }
@media (min-width:760px){ .trust-item{ grid-template-columns:200px 1fr; gap:24px; } }
.trust-item h3{ font-size:18px; }
.trust-item p{ color:var(--ink); }
.trust-item .sub{ color:var(--muted); font-size:14px; margin-top:4px; }

/* ---------- 料金 ---------- */
.price-grid{ display:grid; gap:24px; }
@media (min-width:860px){ .price-grid{ grid-template-columns:1fr 1fr; } }
.price-table{ width:100%; border-collapse:collapse; background:var(--paper); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }
.price-table caption{ text-align:left; font-weight:700; padding:0 0 10px; }
.price-table th, .price-table td{ padding:14px 18px; border-bottom:1px solid var(--line); text-align:left; font-size:15px; }
.price-table tr:last-child th, .price-table tr:last-child td{ border-bottom:0; }
.price-table th{ font-weight:500; color:var(--muted); width:50%; }
.price-table td{ font-weight:700; font-variant-numeric:tabular-nums; }
.price-notes{ margin-top:24px; color:var(--muted); font-size:14px; display:grid; gap:6px; }

/* ---------- 会社 ---------- */
.company{ display:grid; gap:0; border-top:1px solid var(--line); max-width:760px; }
.company div{ display:grid; gap:2px; padding:14px 0; border-bottom:1px solid var(--line); }
@media (min-width:640px){ .company div{ grid-template-columns:180px 1fr; gap:16px; } }
.company dt{ color:var(--muted); font-size:14px; }
.company dd{ margin:0; }

/* ---------- お問い合わせ ---------- */
.contact-grid{ display:grid; gap:32px; }
@media (min-width:900px){ .contact-grid{ grid-template-columns:.8fr 1.2fr; gap:48px; } }
.contact-ways{ display:grid; gap:16px; align-content:start; }
.way{ border:1px solid var(--line); border-radius:var(--radius); padding:20px; background:var(--paper); }
.way h3{ font-size:16px; margin-bottom:4px; }
.way .big{ font-family:'Zen Kaku Gothic New',sans-serif; font-weight:700; font-size:26px; color:var(--ink); text-decoration:none; }
.way p{ color:var(--muted); font-size:14px; }

.form{ display:grid; gap:20px; background:var(--paper); border:1px solid var(--line); border-radius:16px; padding:28px; position:relative; }
.form h3{ font-size:20px; }
.form-field{ display:grid; gap:6px; }
.form-field label{ font-size:14px; font-weight:700; display:flex; gap:8px; align-items:center; flex-wrap:wrap; }
.form-field input, .form-field select, .form-field textarea{
  width:100%; border:1px solid #b9cbd6; background:var(--paper); color:var(--ink);
  border-radius:8px; padding:12px 14px; font:inherit; font-size:16px;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{
  outline:none; border-color:var(--cold); box-shadow:0 0 0 3px var(--cold-soft);
}
.req, .opt{ font-size:11.5px; font-weight:700; padding:1px 8px; border-radius:4px; }
.req{ background:#fde8e6; color:var(--danger); }
.opt{ background:var(--frost); color:var(--muted); }
.form-row-2{ display:grid; gap:12px; }
.form-row-3{ display:grid; gap:12px; }
@media (min-width:560px){ .form-row-2{ grid-template-columns:1fr 1fr; } .form-row-3{ grid-template-columns:1fr 1fr 1fr; } }
.form-sub{ display:grid; gap:18px; padding:18px; border-radius:12px; background:var(--frost); }
.form-sub > p{ font-size:14px; color:var(--muted); }
.form-agree{ display:flex; gap:10px; align-items:flex-start; font-size:14px; }
.form-agree input{ margin-top:5px; width:18px; height:18px; }
.form-helper{ font-size:13px; color:var(--muted); }
.form-status{ font-size:14px; color:var(--ok); min-height:1em; }
.tariff-note{ padding:14px 16px; border-radius:10px; background:var(--paper); border:1px solid var(--line); font-size:14px; color:var(--muted); }

/* ---------- フッター ---------- */
.site-footer{ background:var(--cold-deep); color:#dbe8f0; padding:48px 0 32px; font-size:14px; }
.site-footer a{ color:#fff; text-decoration:none; }
.site-footer a:hover{ text-decoration:underline; color:#fff; }
.footer-grid{ display:grid; gap:24px; }
@media (min-width:760px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
.footer-brand{ font-family:'Zen Kaku Gothic New',sans-serif; font-weight:900; font-size:22px; color:#fff; margin-bottom:8px; }
.footer-links{ display:grid; grid-template-columns:1fr 1fr; gap:6px 16px; }
.footer-copy{ margin-top:32px; padding-top:16px; border-top:1px solid rgba(255,255,255,.2); font-size:12.5px; }

/* ---------- 下層ページ共通（2026-10 追加） ---------- */
.page-head{ padding:48px 0 40px; border-bottom:1px solid var(--line); }
.crumbs{ font-size:13px; color:var(--muted); margin-bottom:16px; }
.crumbs a{ color:var(--muted); }
.page-head h1{ font-size:clamp(28px,4.6vw,44px); line-height:1.35; margin-bottom:14px; }
.page-head .lead{ color:var(--muted); font-size:clamp(15px,1.7vw,17px); max-width:40em; }
.page-who{ display:inline-block; font-size:14px; font-weight:700; color:var(--cold-deep); margin-bottom:10px; }

.prose{ max-width:760px; }
.prose h2{ font-size:clamp(20px,2.6vw,24px); margin:48px 0 14px; padding-top:8px; }
.prose h2:first-child{ margin-top:0; }
.prose h3{ font-size:17px; margin:24px 0 8px; }
.prose p{ margin:0 0 14px; }
.prose ul, .prose ol{ margin:0 0 16px; padding-left:1.4em; }
.prose li{ margin:4px 0; }
.prose .note{ font-size:14px; color:var(--muted); }

.spec{ width:100%; border-collapse:collapse; margin:0 0 20px; border-top:1px solid var(--line); }
.spec th, .spec td{ text-align:left; vertical-align:top; padding:13px 12px 13px 0; border-bottom:1px solid var(--line); font-size:15px; }
.spec th{ width:34%; color:var(--muted); font-weight:500; }
.spec td{ font-weight:500; }
.spec td.num{ font-weight:700; font-variant-numeric:tabular-nums; white-space:nowrap; }
@media (max-width:560px){ .spec th{ width:42%; } }

.cases{ display:grid; gap:16px; }
.case{ border:1px solid var(--line); border-radius:var(--radius); padding:22px; }
.case h3{ font-size:17px; margin-bottom:6px; }
.case p{ color:var(--muted); font-size:15px; }

.cta-band{ background:var(--cold-deep); color:#fff; padding:48px 0; }
.cta-band h2{ color:#fff; font-size:clamp(22px,3vw,28px); margin-bottom:8px; }
.cta-band p{ color:#dbe8f0; margin-bottom:24px; }
.cta-band .btn-primary{ background:#fff; color:var(--cold-deep); }
.cta-band .btn-primary:hover{ background:var(--cold-soft); color:var(--cold-deep); }
.cta-band .btn-line{ background:transparent; color:#fff; border-color:#fff; }
.cta-band .btn-line:hover{ background:rgba(255,255,255,.12); color:#fff; }
.cta-actions{ display:flex; flex-wrap:wrap; gap:12px; }

/* FAQ */
.faq{ max-width:820px; border-top:1px solid var(--line); }
.faq details{ border-bottom:1px solid var(--line); }
.faq summary{ cursor:pointer; list-style:none; padding:18px 36px 18px 0; font-weight:700; position:relative; }
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{ content:'+'; position:absolute; right:4px; top:14px; font-size:22px; color:var(--cold); font-weight:400; }
.faq details[open] summary::after{ content:'−'; }
.faq .answer{ padding:0 0 20px; color:var(--ink); }

/* サンクスページ */
.thanks{ padding:96px 0; text-align:left; }
.thanks h1{ font-size:clamp(26px,4vw,36px); margin-bottom:16px; }
.thanks p{ color:var(--muted); margin-bottom:12px; max-width:36em; }