/* 作例：株式会社 桐ヶ丘精工（架空） 共通スタイル */
:root {
  --ink: #18212b;
  --ink-soft: #46525f;
  --muted: #6c7783;
  --steel: #0e3a53;
  --steel-dark: #0a2a3d;
  --blue: #1b6a8f;
  --accent: #e0731d;
  --bg: #ffffff;
  --bg-alt: #f2f5f7;
  --grid: #dfe7ec;
  --line: #d3dce3;
  --mono: 'Roboto Mono', ui-monospace, Consolas, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', Meiryo, sans-serif;
  font-size: 17px;
  line-height: 1.85;
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
}
a { color: var(--blue); text-underline-offset: 3px; }
a:hover { color: var(--accent); }
h1, h2, h3 { line-height: 1.45; margin: 0; letter-spacing: 0.03em; }
p { margin: 0 0 1em; }
img, svg { max-width: 100%; }
.num { font-family: var(--mono); font-weight: 500; letter-spacing: 0; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* 作例であることの帯（常に表示） */
.sample-note {
  position: sticky; top: 0; z-index: 50;
  background: #fff3c4; color: #5a4300;
  border-bottom: 1px solid #e6cf72;
  font-size: 0.82rem; line-height: 1.5;
  text-align: center; padding: 7px 12px;
}
.sample-note strong { font-weight: 700; }

/* ヘッダー */
.site-header { background: #fff; border-bottom: 1px solid var(--line); }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px 24px; padding-top: 14px; padding-bottom: 14px; flex-wrap: wrap;
}
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.logo svg { width: 44px; height: 44px; flex: none; }
.logo-text { display: flex; flex-direction: column; line-height: 1.25; }
.logo-name { font-size: 1.25rem; font-weight: 700; letter-spacing: 0.08em; color: var(--steel); }
.logo-sub { font-size: 0.72rem; color: var(--muted); letter-spacing: 0.12em; }
.header-contact { text-align: right; line-height: 1.35; }
.header-contact .tel { font-family: var(--mono); font-size: 1.3rem; font-weight: 700; color: var(--steel); }
.header-contact .hours { font-size: 0.75rem; color: var(--muted); }
.gnav { background: var(--steel); }
.gnav ul {
  list-style: none; margin: 0 auto; padding: 0 12px; max-width: 1120px;
  display: flex; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none;
}
.gnav ul::-webkit-scrollbar { display: none; }
.gnav a {
  display: block; white-space: nowrap; color: #e5eef4; text-decoration: none;
  padding: 12px 18px; font-size: 0.95rem; border-bottom: 3px solid transparent;
}
.gnav a:hover { color: #fff; background: rgba(255,255,255,0.07); }
.gnav a[aria-current="page"] { color: #fff; border-bottom-color: var(--accent); font-weight: 700; }

/* ヒーロー */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background-color: var(--steel-dark);
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 80px 80px, 80px 80px, 16px 16px, 16px 16px;
}
.hero-inner {
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; align-items: center;
  padding-top: 64px; padding-bottom: 56px;
}
.hero-eyebrow {
  display: inline-block; font-size: 0.85rem; letter-spacing: 0.12em; color: #ffd2a8;
  border: 1px solid rgba(255,210,168,0.5); padding: 2px 12px; border-radius: 2px; margin-bottom: 18px;
}
.hero h1 { font-size: 2.35rem; font-weight: 700; letter-spacing: 0.04em; margin-bottom: 18px; }
.hero h1 .em { color: #ffb871; }
.nb { display: inline-block; }
.hero-lead { color: #d7e3ea; font-size: 1.02rem; max-width: 34em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.hero-fig svg { display: block; width: 100%; height: auto; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--accent); color: #fff; text-decoration: none; font-weight: 700;
  padding: 13px 26px; border-radius: 3px; border: 2px solid var(--accent); line-height: 1.4;
}
.btn:hover { background: #c45f10; border-color: #c45f10; color: #fff; }
.btn-line { background: transparent; border-color: rgba(255,255,255,0.7); color: #fff; }
.btn-line:hover { background: rgba(255,255,255,0.1); border-color: #fff; }
.btn-dark { background: var(--steel); border-color: var(--steel); }
.btn-dark:hover { background: var(--steel-dark); border-color: var(--steel-dark); }

/* 数字の帯 */
.specbar { background: #fff; border-bottom: 1px solid var(--line); }
.specbar ul {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.specbar li { padding: 22px 18px; border-left: 1px solid var(--line); }
.specbar li:first-child { border-left: 0; }
.spec-label { display: block; font-size: 0.8rem; color: var(--muted); letter-spacing: 0.06em; }
.spec-value { display: block; font-family: var(--mono); font-size: 1.55rem; font-weight: 700; color: var(--steel); line-height: 1.35; }
.spec-value small { font-size: 0.9rem; font-weight: 500; margin-left: 2px; }
.spec-note { display: block; font-size: 0.78rem; color: var(--ink-soft); }

/* 節 */
.section { padding: 72px 0; }
.section-alt { background: var(--bg-alt); }
.sec-head { margin-bottom: 32px; }
.sec-en { display: block; font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.22em; color: var(--accent); text-transform: uppercase; margin-bottom: 4px; }
.sec-title { font-size: 1.7rem; font-weight: 700; color: var(--steel); }
.sec-lead { color: var(--ink-soft); margin-top: 10px; max-width: 46em; }
.more { margin: 24px 0 0; text-align: right; }
.more a { font-weight: 700; text-decoration: none; }
.more a::after { content: ' →'; }

/* カード */
.cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 22px; grid-template-columns: repeat(3, 1fr); }
.card { background: #fff; border: 1px solid var(--line); border-top: 4px solid var(--steel); border-radius: 3px; padding: 24px 24px 20px; }
.card-fig { height: 92px; margin-bottom: 14px; background: var(--bg-alt); border-radius: 2px; display: flex; align-items: center; justify-content: center; }
.card-fig svg { height: 76px; width: auto; }
.card h3 { font-size: 1.18rem; color: var(--steel); margin-bottom: 8px; }
.card p { font-size: 0.95rem; color: var(--ink-soft); margin-bottom: 12px; }
.card dl { margin: 0; font-size: 0.88rem; border-top: 1px dashed var(--line); padding-top: 10px; }
.card dl div { display: flex; justify-content: space-between; gap: 12px; padding: 2px 0; }
.card dt { color: var(--muted); }
.card dd { margin: 0; font-family: var(--mono); font-weight: 500; text-align: right; }

/* 材質チップ */
.chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 4px 14px; font-size: 0.9rem; }
.chips li b { color: var(--steel); }

/* 2カラム */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }

/* 表 */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--line); border-radius: 3px; background: #fff; }
table { border-collapse: collapse; width: 100%; font-size: 0.95rem; }
th, td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
thead th { background: var(--steel); color: #fff; font-weight: 700; white-space: nowrap; font-size: 0.88rem; }
tbody tr:last-child th, tbody tr:last-child td { border-bottom: 0; }
tbody th { background: #f7f9fa; color: var(--steel); white-space: nowrap; }
td.n, th.n { font-family: var(--mono); white-space: nowrap; text-align: right; }
.cat-row th { background: #e6edf2; color: var(--steel-dark); font-size: 0.9rem; letter-spacing: 0.08em; }
.table-note { font-size: 0.85rem; color: var(--muted); margin-top: 10px; }
.info-table th { width: 28%; }

/* 流れ */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: st; }
.steps li { position: relative; background: #fff; border: 1px solid var(--line); border-radius: 3px; padding: 20px 18px 18px; counter-increment: st; }
.steps li::before {
  content: counter(st, decimal-leading-zero); font-family: var(--mono); font-weight: 700;
  font-size: 1.6rem; color: var(--accent); display: block; line-height: 1; margin-bottom: 10px;
}
.steps h3 { font-size: 1.05rem; color: var(--steel); margin-bottom: 6px; }
.steps p { font-size: 0.9rem; color: var(--ink-soft); margin: 0; }
.steps .time { display: inline-block; margin-top: 10px; font-size: 0.8rem; background: var(--bg-alt); padding: 2px 10px; border-radius: 2px; color: var(--steel); font-weight: 700; }

/* お問い合わせ帯 */
.cta { background: var(--steel); color: #fff; padding: 56px 0; }
.cta-inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; align-items: center; }
.cta h2 { font-size: 1.6rem; margin-bottom: 10px; }
.cta p { color: #d3e1ea; margin: 0; }
.cta-box { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.25); border-radius: 3px; padding: 20px 22px; }
.cta-box .row { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.cta-box .lbl { font-size: 0.8rem; color: #a9c2d2; width: 3.5em; }
.cta-box .big { font-family: var(--mono); font-size: 1.6rem; font-weight: 700; }
.cta-box .btn { margin-top: 14px; width: 100%; }
.cta-box .small { font-size: 0.78rem; color: #a9c2d2; margin-top: 6px; }

/* ページ見出し */
.page-head {
  background-color: var(--steel-dark); color: #fff; padding: 44px 0 40px;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 24px 24px;
}
.page-head .sec-en { color: #ffb871; }
.page-head h1 { font-size: 2rem; }
.page-head p { color: #cfdde6; margin: 8px 0 0; max-width: 46em; }
.crumb { font-size: 0.8rem; color: #9fb7c7; margin-bottom: 12px; }
.crumb a { color: #cfe0ea; }

/* 加工の種類ページ */
.svc { display: grid; grid-template-columns: 300px 1fr; gap: 36px; padding: 40px 0; border-top: 1px solid var(--line); }
.svc:first-of-type { border-top: 0; padding-top: 0; }
.svc-fig { background: var(--bg-alt); border: 1px solid var(--line); border-radius: 3px; padding: 16px; }
.svc-fig svg { display: block; width: 100%; height: auto; }
.svc-fig figcaption { font-size: 0.78rem; color: var(--muted); margin-top: 8px; text-align: center; }
.svc h2 { font-size: 1.45rem; color: var(--steel); margin-bottom: 10px; }
.svc h2 .tag { font-family: var(--mono); font-size: 0.75rem; color: #fff; background: var(--accent); padding: 2px 8px; border-radius: 2px; margin-left: 10px; vertical-align: middle; letter-spacing: 0.1em; }
.svc ul.points { margin: 0 0 16px; padding-left: 1.2em; }
.svc ul.points li { margin-bottom: 4px; }

/* 品質 */
.badge-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.badge { background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--accent); padding: 18px 20px; border-radius: 3px; }
.badge b { display: block; font-size: 1.05rem; color: var(--steel); margin-bottom: 4px; }
.badge span { font-size: 0.9rem; color: var(--ink-soft); }
.callout { background: #fff8ef; border: 1px solid #f1cfa8; border-radius: 3px; padding: 16px 20px; font-size: 0.92rem; color: #5b3a12; }

/* 沿革 */
.timeline { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--line); }
.timeline li { position: relative; padding: 0 0 18px 24px; }
.timeline li::before { content: ''; position: absolute; left: -7px; top: 9px; width: 12px; height: 12px; border-radius: 50%; background: #fff; border: 2px solid var(--steel); }
.timeline .y { font-family: var(--mono); font-weight: 700; color: var(--steel); margin-right: 12px; }

/* フォーム（見本） */
.form { background: #fff; border: 1px solid var(--line); border-radius: 3px; padding: 28px; }
.form .field { margin-bottom: 18px; }
.form label { display: block; font-weight: 700; font-size: 0.92rem; margin-bottom: 6px; }
.form .req { font-size: 0.7rem; background: var(--accent); color: #fff; padding: 1px 6px; border-radius: 2px; margin-left: 6px; vertical-align: 2px; }
.form input, .form select, .form textarea {
  width: 100%; font: inherit; font-size: 1rem; padding: 10px 12px;
  border: 1px solid #b9c6d0; border-radius: 3px; background: #fbfcfd;
}
.form textarea { min-height: 120px; }
.form .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form .hint { font-size: 0.8rem; color: var(--muted); margin-top: 4px; }
.form button[disabled] { opacity: 0.55; cursor: not-allowed; }
.check-list { margin: 0; padding-left: 1.3em; }
.check-list li { margin-bottom: 6px; }

/* フッター */
.site-footer { background: #0b1d29; color: #c3d1db; padding: 40px 0 20px; font-size: 0.88rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-name { font-size: 1.1rem; font-weight: 700; color: #fff; letter-spacing: 0.08em; margin-bottom: 4px; }
.site-footer p { margin: 0 0 4px; }
.footer-nav { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, auto); gap: 4px 28px; }
.footer-nav a { color: #c3d1db; text-decoration: none; }
.footer-nav a:hover { color: #fff; }
.footer-sample { margin-top: 28px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,0.12); font-size: 0.8rem; color: #8ea4b3; line-height: 1.7; }
.footer-sample a { color: #c3d1db; }

/* スマホ */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; padding-top: 40px; padding-bottom: 40px; gap: 28px; }
  .hero-fig { max-width: 520px; }
  .cards { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .two-col { grid-template-columns: 1fr; gap: 28px; }
  .cta-inner { grid-template-columns: 1fr; }
  .svc { grid-template-columns: 1fr; gap: 20px; }
  .svc-fig { max-width: 420px; }
  .badge-row { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { padding-left: 16px; padding-right: 16px; }
  .sample-note { font-size: 0.74rem; padding: 6px 10px; }
  .header-contact { display: none; }
  .logo svg { width: 38px; height: 38px; }
  .logo-name { font-size: 1.12rem; }
  .gnav a { padding: 11px 13px; font-size: 0.88rem; }
  .hero h1 { font-size: 1.62rem; }
  .hero-lead { font-size: 0.95rem; }
  .hero-actions .btn { flex: 1 1 100%; }
  .specbar ul { grid-template-columns: 1fr 1fr; }
  .specbar li { padding: 16px 14px; border-left: 0; border-top: 1px solid var(--line); }
  .specbar li:nth-child(even) { border-left: 1px solid var(--line); }
  .specbar li:nth-child(-n+2) { border-top: 0; }
  .spec-value { font-size: 1.22rem; }
  .section { padding: 48px 0; }
  .sec-title { font-size: 1.4rem; }
  .steps { grid-template-columns: 1fr; }
  .page-head h1 { font-size: 1.55rem; }
  .form { padding: 20px 16px; }
  .form .grid2 { grid-template-columns: 1fr; gap: 0; }
  th, td { padding: 10px 10px; font-size: 0.88rem; }
  .info-table th { width: 32%; white-space: normal; }
  .cta-box .big { font-size: 1.35rem; }
}