/* ===== c 案: 全ページ共通 + ページ固有 統合CSS ===== */
/* 元 index/kensetsu/souzoku/contact.html の <style> を統合。重複ルールは1つに集約。 */

/* ---- 共通 + ページ固有ルール（出現順: index → kensetsu → souzoku → contact） ---- */
:root{
    --ink: #16283F;
    --ink-sub: #70757D;
    --paper: #FFFFFF;
    --paper-gray: #F4F4F2;
    --rule: #C9CDD3;
    --rule-strong: #16283F;
    --accent: #C1442C;
    --accent-deep: #9C3620;
    --accent-pale: #F2D3CB;
    --maxw: 1160px;
    --font-body: "Hiragino Sans","Noto Sans JP","Meiryo",sans-serif;
    --font-heading: "Zen Kaku Gothic New","Yu Gothic UI","Yu Gothic","Hiragino Kaku Gothic StdN","Meiryo",sans-serif;
  }
*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
    margin:0; font-family:var(--font-body); color:var(--ink); background:var(--paper);
    line-height:1.85; font-size:16px; font-weight:400; -webkit-text-size-adjust:100%;
  }
img,svg{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3{ margin:0; font-weight:900; color:var(--ink); font-family:var(--font-heading); letter-spacing:.03em; }
p{ margin:0; font-weight:300; }
ul,ol{ margin:0; padding:0; list-style:none; }
.container{ max-width:var(--maxw); margin:0 auto; padding:0 20px; }
.tnum{ font-variant-numeric:tabular-nums; }
.btn{
    display:inline-block; padding:14px 30px; font-weight:700; font-size:.98rem;
    text-align:center; border:2px solid var(--accent); cursor:pointer; letter-spacing:.02em;
    background:transparent; color:var(--accent); transition:background .15s ease, color .15s ease;
  }
.btn-primary{ background:var(--accent); color:#fff; }
.btn-primary:hover{ background:var(--accent-deep); border-color:var(--accent-deep); }
.btn-primary:active{ opacity:.9; }
.btn-primary:focus-visible{ outline:3px solid var(--accent-pale); outline-offset:3px; }
.btn-lg{ padding:16px 38px; font-size:1.02rem; }
.cta-center{ margin-top:38px; }
.site-header{ background:#fff; position:sticky; top:0; z-index:100; border-bottom:1px solid var(--rule-strong); }
.header-inner{ max-width:var(--maxw); margin:0 auto; padding:18px 20px; display:flex; align-items:center; justify-content:space-between; }
.logo{ color:var(--ink); font-size:1.05rem; font-weight:900; letter-spacing:.02em; }
.nav-toggle-input{ display:none; }
.nav-toggle-label{ display:none; flex-direction:column; justify-content:center; gap:5px; width:32px; height:28px; cursor:pointer; }
.nav-toggle-label span{ display:block; height:2px; background:var(--ink); }
.nav-menu{ display:flex; align-items:center; gap:0; }
.nav-menu a{ color:var(--ink); font-size:.86rem; font-weight:400; white-space:nowrap; padding:0 16px; border-left:1px solid var(--rule); }
.nav-menu a:first-child{ border-left:none; }
.nav-menu a:hover{ color:var(--accent); }
.nav-menu a:focus-visible{ outline:2px solid var(--accent); outline-offset:2px; }
.nav-cta{ font-weight:700 !important; color:var(--accent) !important; }
section{ padding:64px 0; border-bottom:1px solid var(--rule); }
.section-head{ display:flex; align-items:baseline; justify-content:space-between; gap:20px; margin-bottom:40px; padding-bottom:18px; border-bottom:2px solid var(--ink); flex-wrap:wrap; }
.section-head h2{ font-size:1.5rem; }
.section-index{ font-size:.8rem; font-weight:700; letter-spacing:.16em; color:var(--ink-sub); }
.alt{ background:var(--paper-gray); }
.fv{ padding:56px 0 0; border-bottom:none; }
.fv-head{ padding-bottom:40px; border-bottom:1px solid var(--rule); }
.fv-eyebrow{ font-size:.82rem; font-weight:700; letter-spacing:.14em; color:var(--accent); margin-bottom:18px; }
.fv h1{ font-size:2rem; line-height:1.5; margin-bottom:22px; max-width:16em; }
.fv-sub{ color:var(--ink-sub); font-size:.98rem; margin-bottom:30px; max-width:36em; }
.fv-note{ margin-top:18px; color:var(--ink-sub); font-size:.8rem; }
.fv-photo{ width:100%; aspect-ratio:16/7; margin-top:0; overflow:hidden; }
.fv-photo img{ width:100%; height:100%; object-fit:cover; display:block; }
.placeholder-photo{
    display:flex; align-items:center; justify-content:center;
    background:repeating-linear-gradient(100deg, var(--ink) 0 22px, #223954 22px 44px);
  }
.placeholder-photo span{ color:#fff; background:rgba(22,40,63,.7); padding:8px 18px; font-size:.82rem; letter-spacing:.06em; }
.reason-cols{ display:flex; flex-direction:column; }
.reason-col{ padding:26px 0; border-top:1px solid var(--rule); }
.reason-col:last-child{ border-bottom:1px solid var(--rule); }
.reason-figure{ font-size:3.4rem; font-weight:900; color:var(--accent); line-height:1; margin-bottom:14px; }
.reason-col h3{ font-size:1.05rem; margin-bottom:10px; font-weight:700; }
.reason-col p{ color:var(--ink-sub); font-size:.9rem; }
.service-cols{ display:flex; flex-direction:column; }
.service-col{ padding:30px 0; border-top:1px solid var(--rule); }
.service-col:last-child{ border-bottom:1px solid var(--rule); }
.service-col h3{ font-size:1.15rem; margin-bottom:14px; }
.service-col .lead{ color:var(--ink-sub); font-size:.92rem; margin-bottom:16px; font-weight:300; }
.service-col .who{ font-size:.85rem; color:var(--ink); border-left:2px solid var(--accent); padding-left:14px; margin-bottom:16px; }
.service-link{ font-weight:700; color:var(--ink); font-size:.9rem; border-bottom:1px solid var(--ink); }
.service-link::after{ content:" →"; }
.ledger-tabs{ display:flex; gap:0; margin-bottom:0; border-bottom:2px solid var(--ink); }
.tab-input{ position:absolute; opacity:0; pointer-events:none; }
.tab-labels{ display:flex; }
.tab-labels label{ padding:12px 24px; font-weight:700; font-size:.9rem; color:var(--ink-sub); cursor:pointer; border-bottom:3px solid transparent; margin-bottom:-2px; }
#tab-c-kensetsu:checked ~ .tab-labels label[for="tab-c-kensetsu"],
  #tab-c-souzoku:checked ~ .tab-labels label[for="tab-c-souzoku"]{ color:var(--ink); border-bottom-color:var(--accent); }
.tab-input:focus-visible + .tab-labels label{ outline:2px solid var(--accent); }
body.page-index .ledger{ display:none; }
#tab-c-kensetsu:checked ~ .ledger.ledger-kensetsu{ display:block; }
#tab-c-souzoku:checked ~ .ledger.ledger-souzoku{ display:block; }
.ledger-row{ display:flex; justify-content:space-between; align-items:baseline; gap:16px; padding:18px 0; border-bottom:1px solid var(--rule); }
.ledger-row.head{ font-size:.78rem; font-weight:700; letter-spacing:.1em; color:var(--ink-sub); border-bottom:1px solid var(--ink); padding-bottom:10px; }
.ledger-label{ font-size:.94rem; }
.ledger-amount{ font-weight:900; font-size:1.15rem; white-space:nowrap; }
.price-note{ color:var(--ink-sub); font-size:.82rem; margin:24px 0 16px; font-weight:300; }
.price-links{ font-size:.9rem; margin-bottom:8px; }
.price-links a{ color:var(--ink); font-weight:700; border-bottom:1px solid var(--ink); }
.case-row{ display:flex; gap:24px; padding:28px 0; border-top:1px solid var(--rule); }
.case-list .case-row:last-child{ border-bottom:1px solid var(--rule); }
.case-figure{ flex-shrink:0; font-size:1.6rem; font-weight:900; color:var(--rule-strong); width:48px; }
.case-body h3{ font-size:1.02rem; margin-bottom:10px; font-weight:700; }
.case-body p{ color:var(--ink-sub); font-size:.9rem; font-weight:300; }
.case-disclaimer{ margin-top:22px; font-size:.8rem; color:var(--ink-sub); }
.greeting-inner{ display:flex; flex-direction:column; gap:32px; }
.greeting-photo{ width:100%; max-width:220px; aspect-ratio:1/1; overflow:hidden; }
.greeting-photo img{ width:100%; height:100%; object-fit:cover; display:block; }
.greeting-text{ max-width:640px; }
.greeting-role{ display:block; font-weight:700; font-size:.82rem; letter-spacing:.1em; color:var(--accent); margin-bottom:16px; }
.greeting-text p.body{ color:var(--ink); font-size:.95rem; margin-bottom:22px; font-weight:300; }
.greeting-sign{ font-weight:700; font-size:.94rem; border-top:1px solid var(--rule); padding-top:14px; display:inline-block; }
.timetable-line{ position:relative; border-top:2px solid var(--ink); padding-top:0; }
.tt-steps{ display:flex; flex-direction:column; }
.tt-step{ display:flex; gap:20px; padding:22px 0; border-bottom:1px solid var(--rule); position:relative; }
.tt-step::before{ content:""; position:absolute; left:0; top:-1px; width:2px; height:14px; background:var(--ink); }
.tt-time{ flex-shrink:0; font-weight:900; font-size:1rem; color:var(--accent); width:56px; }
.tt-body h3{ font-size:1rem; margin-bottom:6px; font-weight:700; }
.tt-body p{ font-size:.88rem; color:var(--ink-sub); font-weight:300; }
.faq-list details{ border-bottom:1px solid var(--rule); }
.faq-list summary{ list-style:none; cursor:pointer; padding:20px 0; font-weight:700; font-size:.95rem; display:flex; align-items:center; justify-content:space-between; gap:12px; color:var(--ink); }
.faq-list summary::-webkit-details-marker{ display:none; }
.faq-list summary::after{ content:"＋"; font-size:1rem; font-weight:400; color:var(--accent); flex-shrink:0; }
.faq-list details[open] summary::after{ content:"－"; }
.faq-list .faq-a{ padding:0 0 22px; color:var(--ink-sub); font-size:.9rem; font-weight:300; }
.faq-links{ margin-top:22px; font-size:.88rem; color:var(--ink-sub); }
.cta-section{ text-align:left; }
.cta-box{ border:2px solid var(--ink); padding:44px 32px; display:flex; flex-direction:column; gap:20px; align-items:flex-start; }
.cta-box h2{ font-size:1.5rem; }
.cta-box p{ color:var(--ink-sub); font-size:.95rem; font-weight:300; max-width:44em; }
.site-footer{ background:#fff; color:var(--ink-sub); padding:44px 0 24px; font-size:.86rem; border-bottom:none; }
.footer-top{ display:flex; flex-direction:column; gap:26px; margin-bottom:26px; padding-bottom:26px; border-bottom:1px solid var(--rule); }
.footer-brand h3{ color:var(--ink); font-size:1.02rem; font-weight:900; margin-bottom:10px; }
.footer-brand p{ margin-bottom:4px; font-weight:300; }
.footer-nav{ display:flex; flex-wrap:wrap; gap:10px 20px; }
.footer-note{ text-align:left; }
.footer-note .disclaimer{ color:var(--ink); font-weight:700; font-size:.9rem; margin-bottom:10px; }
.footer-note .copyright{ color:#9DA3AA; font-size:.8rem; font-weight:300; }
.visually-hidden{ position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; }
.sub-fv{ padding:40px 0 0; border-bottom:none; }
.sub-fv-head{ padding-bottom:28px; border-bottom:1px solid var(--rule); }
.sub-breadcrumb{ font-size:.8rem; letter-spacing:.1em; color:var(--ink-sub); margin-bottom:18px; }
.sub-breadcrumb a{ color:var(--ink-sub); }
.sub-breadcrumb a:hover{ color:var(--ink); }
.crumb-current{ color:var(--accent); }
.sub-fv h1{ font-size:1.8rem; line-height:1.5; margin-bottom:20px; max-width:20em; }
.sub-fv-lead{ color:var(--ink-sub); font-size:.95rem; max-width:36em; font-weight:300; }
.sub-fv-photo{ width:100%; aspect-ratio:16/9; margin-top:0; }
.sub-fv-photo img{ width:100%; height:100%; object-fit:cover; background:repeating-linear-gradient(100deg, var(--ink) 0 22px, #223954 22px 44px); }
.plain-rows{ display:flex; flex-direction:column; max-width:720px; }
.plain-row{ padding:20px 0; border-top:1px solid var(--rule); font-size:.95rem; }
.plain-row:last-child{ border-bottom:1px solid var(--rule); }
.plain-row .plain-title{ font-weight:700; }
.plain-row .plain-desc{ color:var(--ink-sub); font-size:.88rem; font-weight:300; margin-top:4px; }
.section-note{ margin-top:18px; color:var(--ink-sub); font-size:.82rem; font-weight:300; max-width:720px; }
.ledger-row-full{ display:flex; justify-content:space-between; align-items:baseline; gap:16px; flex-wrap:nowrap; }
.ledger-row-full .ledger-label{ flex:1 1 auto; }
.ledger-row-full .ledger-remark{ flex:0 0 auto; font-size:.78rem; color:var(--ink-sub); font-weight:300; white-space:nowrap; margin-right:16px; }
.ledger-row-full .ledger-amount{ flex:0 0 auto; }
.form-wrap{ max-width:640px; margin:0 auto; }
.form-group{ margin-bottom:24px; }
.form-group label{ display:block; font-weight:700; font-size:.85rem; letter-spacing:.05em; color:var(--ink); margin-bottom:8px; }
.form-group input[type=text], .form-group input[type=email], .form-group select, .form-group textarea{
    width:100%; border:none; border-bottom:1px solid var(--rule); border-radius:0; background:transparent; padding:10px 2px; font-size:.95rem; font-family:var(--font-body); color:var(--ink); font-weight:300;
  }
.form-group textarea{ resize:vertical; min-height:120px; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus{ outline:none; border-bottom:2px solid var(--accent); padding-bottom:9px; }
.form-consent{ display:flex; align-items:flex-start; gap:10px; margin-bottom:28px; font-size:.9rem; font-weight:300; }
.form-consent input{ margin-top:5px; flex-shrink:0; }
.consent-note{ display:block; color:var(--ink-sub); font-size:.78rem; margin-top:4px; font-weight:300; }
.form-msg{ margin-top:24px; border:2px solid var(--ink); padding:20px 24px; font-weight:700; color:var(--ink); opacity:0; transition:opacity .15s ease; }
.form-msg.is-visible{ opacity:1; }
.form-note-static{ margin-top:18px; color:var(--ink-sub); font-size:.82rem; font-weight:300; }

/* ---- レスポンシブ（メディアクエリ） ---- */
@media (min-width:768px){
  .fv h1{ font-size:2.7rem; }
  .reason-cols{ flex-direction:row; }
  .reason-col{ flex:1; border-top:1px solid var(--rule); border-left:1px solid var(--rule); padding:26px 28px; }
  .reason-col:first-child{ border-left:none; padding-left:0; }
  .service-cols{ flex-direction:row; }
  .service-col{ flex:1; border-left:1px solid var(--rule); padding:30px 32px; }
  .service-col:first-child{ border-left:none; padding-left:0; }
  .greeting-inner{ flex-direction:row; }
  .case-row{ align-items:baseline; }
  /* デスクトップ横並びタイムラインは index.html 専用（kensetsu/souzoku は元々
     常に縦積みレイアウトのため body.page-index でスコープ） */
  body.page-index .tt-steps{ flex-direction:row; }
  body.page-index .tt-step{ flex-direction:column; flex:1; gap:10px; border-bottom:none; border-left:1px solid var(--rule); padding:0 22px; }
  body.page-index .tt-step:first-child{ border-left:none; padding-left:0; }
  body.page-index .tt-step::before{ left:auto; top:-1px; height:2px; width:100%; }
  body.page-index .tt-time{ width:auto; }
}
@media (max-width:767px){
  .nav-toggle-label{ display:flex; }
  .nav-menu{ position:absolute; top:100%; left:0; right:0; background:#fff; flex-direction:column; align-items:stretch; gap:0; max-height:0; overflow:hidden; transition:max-height .25s ease; border-top:1px solid var(--rule); }
  .nav-menu a{ padding:14px 20px; border-left:none; border-bottom:1px solid var(--rule); }
  .nav-toggle-input:checked ~ .nav-menu{ max-height:480px; }
  body.page-index .cta-box{ padding:32px 22px; }
  .ledger-row-full{ flex-wrap:wrap; padding:20px 0; }
  .ledger-row-full .ledger-label{ flex:1 1 100%; }
  .ledger-row-full .ledger-remark{ flex:1 1 100%; order:3; margin-top:4px; margin-right:0; white-space:normal; }
  .ledger-row-full .ledger-amount{ margin-left:auto; }
}
@media (min-width:1024px){
  .container{ padding:0 24px; }
  section{ padding:92px 0; }
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ transition:none !important; }
}