:root{
  --ink:#1c2b3a;        /* 濃紺（本文・見出し） */
  --paper:#fbfaf6;      /* 紙白（背景） */
  --rule:#d8d5cc;       /* 罫線 */
  --rule-strong:#1c2b3a;
  --shu:#b5352f;        /* 朱（検印色・強調は最小限） */
  --muted:#5c6670;      /* 補助文 */
  --maxw:860px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto;} }
body{
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans JP",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.serif{font-family:"Shippori Mincho B1",serif;}

/* ヘッダー */
header{border-bottom:1px solid var(--rule);background:var(--paper);}
.head-inner{
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;padding:18px 0;
}
.brand{
  font-family:"Shippori Mincho B1",serif;
  font-weight:700;font-size:1.05rem;letter-spacing:.08em;
}
.brand a{color:var(--ink);text-decoration:none;}
.brand small{
  display:block;font-family:"Noto Sans JP",sans-serif;
  font-weight:500;font-size:.68rem;letter-spacing:.22em;color:var(--muted);
}
nav a{
  color:var(--ink);text-decoration:none;font-size:.82rem;
  letter-spacing:.12em;margin-left:22px;
}
nav a:hover{color:var(--shu);}
nav a:focus-visible{outline:2px solid var(--shu);outline-offset:3px;}
nav a.current{color:var(--shu);border-bottom:2px solid var(--shu);padding-bottom:2px;}
@media (max-width:700px){
  nav{
    width:100%;overflow-x:auto;white-space:nowrap;
    margin-top:12px;padding-top:10px;border-top:1px solid var(--rule);
    -webkit-overflow-scrolling:touch;
  }
  nav a{margin-left:0;margin-right:20px;font-size:.78rem;}
}

/* ヒーロー（トップ） */
.hero{padding:88px 0 72px;border-bottom:1px solid var(--rule);}
.eyebrow{font-size:.78rem;letter-spacing:.3em;color:var(--muted);margin-bottom:26px;}
h1{
  font-family:"Shippori Mincho B1",serif;
  font-weight:600;
  font-size:clamp(1.7rem, 4.6vw, 2.7rem);
  line-height:1.7;letter-spacing:.05em;
}
h1 .u{
  text-decoration:underline;
  text-decoration-color:var(--shu);
  text-decoration-thickness:2px;
  text-underline-offset:10px;
}
.hero-lead{margin-top:34px;max-width:620px;font-size:.95rem;}
.hero-note{margin-top:18px;font-size:.82rem;color:var(--muted);}

/* 下層ページの見出し */
.page-head{padding:70px 0 0;}
.page-head .eyebrow{margin-bottom:16px;}
.page-head h1{font-size:clamp(1.5rem,3.6vw,2.1rem);letter-spacing:.1em;}
.page-lead{margin-top:26px;max-width:660px;font-size:.95rem;}

/* 検印風マーク */
.stamp{
  float:right;
  width:76px;height:76px;
  border:2px solid var(--shu);
  color:var(--shu);
  display:flex;align-items:center;justify-content:center;
  font-family:"Shippori Mincho B1",serif;
  font-weight:700;font-size:1.15rem;letter-spacing:.1em;
  writing-mode:vertical-rl;
  margin:6px 0 16px 28px;
  transform:rotate(-2.5deg);
  border-radius:4px;
}
@media (max-width:640px){ .stamp{width:60px;height:60px;font-size:.95rem;} }

/* セクション共通 */
section{padding:72px 0;border-bottom:1px solid var(--rule);}
section.last{border-bottom:none;}
.sec-label{display:flex;align-items:baseline;gap:16px;margin-bottom:40px;}
.sec-label h2{
  font-family:"Shippori Mincho B1",serif;
  font-weight:600;font-size:1.4rem;letter-spacing:.12em;
}
.sec-label span{font-size:.72rem;letter-spacing:.24em;color:var(--muted);}

/* 台帳風リスト */
.ledger{border-top:2px solid var(--rule-strong);}
.ledger-row{
  display:grid;grid-template-columns:190px 1fr;
  gap:24px;padding:26px 4px;
  border-bottom:1px solid var(--rule);
}
.ledger-row dt{
  font-family:"Shippori Mincho B1",serif;
  font-weight:600;font-size:1.02rem;letter-spacing:.06em;
}
.ledger-row dd{font-size:.92rem;}
.ledger-row dd small{display:block;margin-top:6px;color:var(--muted);font-size:.8rem;}
.ledger-row dd .items{
  margin-top:10px;font-size:.83rem;color:var(--muted);
  padding-left:1em;text-indent:-1em;
}
@media (max-width:640px){ .ledger-row{grid-template-columns:1fr;gap:8px;} }

/* 90日の工程（工程表風） */
.kotei{margin-top:8px;}
.kotei-bar{display:grid;grid-template-columns:1fr 1fr 1fr;border:1.5px solid var(--rule-strong);}
.kotei-cell{padding:18px 16px 20px;border-right:1px solid var(--rule-strong);background:#fff;}
.kotei-cell:last-child{border-right:none;}
.kotei-cell .ph{font-size:.7rem;letter-spacing:.2em;color:var(--muted);display:block;margin-bottom:6px;}
.kotei-cell .nm{font-family:"Shippori Mincho B1",serif;font-weight:600;font-size:1rem;letter-spacing:.06em;}
.kotei-cell p{font-size:.8rem;color:var(--muted);margin-top:8px;line-height:1.7;}
.kotei-scale{
  display:grid;grid-template-columns:1fr 1fr 1fr;
  font-size:.7rem;color:var(--muted);letter-spacing:.14em;margin-top:8px;
}
.kotei-scale span:nth-child(2){text-align:center;}
.kotei-scale span:nth-child(3){text-align:right;}
.kotei-note{margin-top:22px;font-size:.85rem;color:var(--muted);max-width:640px;}
@media (max-width:640px){
  .kotei-bar{grid-template-columns:1fr;}
  .kotei-cell{border-right:none;border-bottom:1px solid var(--rule-strong);}
  .kotei-cell:last-child{border-bottom:none;}
  .kotei-scale{display:none;}
}

/* 点付きリスト */
.dotlist{margin-top:26px;list-style:none;max-width:680px;border-top:1px solid var(--rule);}
.dotlist li{
  padding:14px 4px;border-bottom:1px solid var(--rule);
  font-size:.92rem;padding-left:1.4em;text-indent:-1.4em;
}
.dotlist li::before{content:"・";color:var(--shu);font-weight:700;margin-right:.6em;}
.plain{max-width:680px;font-size:.95rem;}

/* 会社概要 */
.gaiyo{width:100%;border-collapse:collapse;border-top:2px solid var(--rule-strong);}
.gaiyo th,.gaiyo td{
  text-align:left;vertical-align:top;
  padding:16px 8px;border-bottom:1px solid var(--rule);font-size:.92rem;
}
.gaiyo th{width:160px;font-weight:500;color:var(--muted);letter-spacing:.1em;white-space:nowrap;}
@media (max-width:640px){ .gaiyo th{width:96px;} }
.placeholder{background:#fff3c4;padding:1px 6px;border-radius:3px;}

/* よくあるご質問 */
.faq{border-top:2px solid var(--rule-strong);max-width:760px;}
.faq-item{border-bottom:1px solid var(--rule);padding:26px 4px;}
.faq-item dt{
  display:grid;grid-template-columns:2em 1fr;gap:10px;
  font-family:"Shippori Mincho B1",serif;font-weight:600;
  font-size:1rem;letter-spacing:.04em;
}
.faq-item dt::before{content:"Q";color:var(--shu);font-weight:700;}
.faq-item dd{
  display:grid;grid-template-columns:2em 1fr;gap:10px;
  margin-top:12px;font-size:.92rem;
}
.faq-item dd::before{content:"A";color:var(--muted);font-family:"Shippori Mincho B1",serif;font-weight:700;}

/* お問い合わせ */
.mail{
  display:inline-block;margin-top:22px;
  font-family:"Shippori Mincho B1",serif;
  font-size:1.15rem;letter-spacing:.08em;
  color:var(--ink);text-decoration:none;
  border-bottom:2px solid var(--shu);
  padding-bottom:4px;
}
.mail:focus-visible{outline:2px solid var(--shu);outline-offset:4px;}
.mail-note{display:block;margin-top:14px;color:var(--muted);font-size:.8rem;}

/* CTA */
.cta{
  margin-top:56px;border:1.5px solid var(--rule-strong);
  padding:34px 30px;background:#fff;
}
.cta p{
  font-family:"Shippori Mincho B1",serif;
  font-size:1.05rem;letter-spacing:.06em;
}
.btn{
  display:inline-block;margin-top:18px;
  border:1.5px solid var(--rule-strong);
  padding:12px 34px;color:var(--ink);text-decoration:none;
  font-size:.88rem;letter-spacing:.18em;
}
.btn:hover{background:var(--ink);color:var(--paper);}
.btn:focus-visible{outline:2px solid var(--shu);outline-offset:3px;}

footer{
  padding:34px 0 46px;
  font-size:.75rem;color:var(--muted);letter-spacing:.12em;
}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;}