:root {
  --ink: #1d2b36;
  --muted: #5b6b78;
  --line: #e1e8ee;
  --bg: #ffffff;
  --bg-soft: #f4f8fb;
  --accent: #0f6e8c;
  --accent-dark: #0a5670;
  --warn-bg: #fff4c2;
  --warn-ink: #6b5200;
  --radius: 10px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  font-size: 16px;
  line-height: 1.85;
  -webkit-text-size-adjust: 100%;
}

img, svg { max-width: 100%; }

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

.wrap {
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ヘッダー */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 4px 16px;
  padding-top: 10px;
  padding-bottom: 10px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
}
.brand-name {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.02em;
}
.brand-sub {
  font-size: 12px;
  color: var(--muted);
  border-left: 1px solid var(--line);
  padding-left: 10px;
  line-height: 1.3;
}
.nav { display: flex; flex-wrap: wrap; gap: 4px 18px; }
.nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  padding: 4px 0;
}
.nav a:hover { color: var(--accent); }

/* ファーストビュー */
.hero {
  padding: 72px 0 64px;
  background: linear-gradient(180deg, var(--bg-soft), var(--bg));
}
.hero-mark { margin-bottom: 20px; }
.hero h1 {
  margin: 0 0 16px;
  font-size: 32px;
  line-height: 1.45;
  letter-spacing: 0.02em;
}
.nb { display: inline-block; }
.hero p { margin: 0 0 8px; font-size: 18px; }
.hero .small { font-size: 14px; color: var(--muted); }

.btn {
  display: inline-block;
  margin: 24px 0 10px;
  padding: 14px 28px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 700;
}
.btn:hover { background: var(--accent-dark); }

/* セクション */
section { padding: 64px 0; }
section.soft { background: var(--bg-soft); }
h2 {
  margin: 0 0 8px;
  font-size: 24px;
  line-height: 1.5;
}
.lead { margin: 0 0 28px; color: var(--muted); }
h3 { margin: 0 0 6px; font-size: 17px; line-height: 1.5; }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}
.card p { margin: 0; font-size: 15px; }

.work-img {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 4 / 3;
  margin-bottom: 14px;
  padding: 8px;
  text-align: center;
  font-size: 13px;
  background: var(--bg-soft);
  border: 1px dashed var(--line);
  border-radius: 8px;
}

/* 仮・要確認 */
.kari {
  display: inline-block;
  margin-left: 6px;
  padding: 0 7px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.7;
  color: var(--warn-ink);
  background: var(--warn-bg);
  border-radius: 4px;
  vertical-align: middle;
}
.todo {
  background: var(--warn-bg);
  color: var(--warn-ink);
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 700;
}
.notice {
  margin: 0 0 24px;
  padding: 14px 18px;
  background: var(--warn-bg);
  color: var(--warn-ink);
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 700;
}

/* メニュー */
.menu { list-style: none; margin: 0; padding: 0; }
.menu li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 20px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.menu li:first-child { border-top: 1px solid var(--line); }
.menu .desc { margin: 0; font-size: 14px; color: var(--muted); }
.menu .price {
  grid-row: 1 / span 2;
  grid-column: 2;
  text-align: right;
  font-weight: 700;
  white-space: nowrap;
}
.menu .price small { display: block; font-weight: 400; font-size: 12px; color: var(--muted); }
.menu-note { margin: 20px 0 0; font-size: 14px; color: var(--muted); }
.menu-note li { margin-bottom: 4px; }

/* 流れ */
.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; }
.steps li {
  position: relative;
  counter-increment: step;
  padding: 0 0 22px 52px;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  line-height: 36px;
  text-align: center;
}
.steps li::after {
  content: "";
  position: absolute;
  left: 17px;
  top: 40px;
  bottom: 4px;
  width: 2px;
  background: var(--line);
}
.steps li:last-child::after { display: none; }
.steps h3 { margin-top: 5px; }
.steps p { margin: 0; font-size: 14px; color: var(--muted); }

/* FAQ */
.faq dt { font-weight: 700; margin-top: 22px; }
.faq dt::before { content: "Q. "; color: var(--accent); }
.faq dd { margin: 4px 0 0; color: var(--muted); }
.faq dd::before { content: "A. "; color: var(--accent); font-weight: 700; }

/* 問い合わせ */
.contact-box {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.contact-box dl { margin: 0; }
.contact-box dt { font-size: 13px; color: var(--muted); margin-top: 12px; }
.contact-box dd { margin: 0; font-size: 18px; word-break: break-all; }

.contact-box .btn-form { margin-top: 0; }
.contact-box .form-note { margin: 4px 0 8px; font-size: 14px; }
.contact-box dd.plain { font-size: 15px; word-break: normal; }
.cards.two { grid-template-columns: repeat(2, 1fr); }

/* フッター */
.site-footer {
  padding: 32px 0 40px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  color: var(--muted);
}
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 20px; }
.site-footer a { color: var(--muted); }

/* 表記ページ */
.doc { padding: 48px 0 64px; }
.doc table { width: 100%; border-collapse: collapse; margin-top: 20px; }
.doc th, .doc td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  font-size: 15px;
}
.doc th { width: 30%; background: var(--bg-soft); font-weight: 700; }

/* スマホ */
@media (max-width: 720px) {
  body { font-size: 16px; }
  .hero { padding: 48px 0 44px; }
  .hero h1 { font-size: 24px; }
  .hero p { font-size: 16px; }
  section { padding: 48px 0; }
  h2 { font-size: 21px; }
  .cards, .cards.two { grid-template-columns: 1fr; }
  .menu li { grid-template-columns: 1fr; }
  .menu .price { grid-row: auto; grid-column: auto; text-align: left; }
  .nav { gap: 2px 14px; }
  .btn { display: block; text-align: center; }
  .doc th, .doc td { display: block; width: 100%; }
  .doc th { border-bottom: 0; padding-bottom: 6px; }
}