:root {
  --navy: #1d3557;
  --navy-2: #274a75;
  --accent: #c44b2b;
  --accent-2: #f4a261;
  --ink: #1f2933;
  --muted: #52606d;
  --line: #d9e2ec;
  --bg: #ffffff;
  --bg-alt: #f4f7fb;
  --radius: 14px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", Meiryo, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy-2); }
h1, h2, h3 { line-height: 1.4; margin: 0; }
p { margin: 0; }

.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 16px; }

/* ボタン */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  border-radius: 999px;
  padding: 12px 24px;
  box-shadow: 0 4px 0 #963620;
  transition: transform .1s, box-shadow .1s;
  text-align: center;
}
.btn:hover { transform: translateY(2px); box-shadow: 0 2px 0 #963620; }
.btn-sm { padding: 8px 14px; font-size: 13px; white-space: nowrap; flex: none; box-shadow: 0 3px 0 #963620; }
.btn-lg { padding: 16px 32px; font-size: 18px; }
.btn-light { background: #fff; color: var(--accent); box-shadow: 0 4px 0 #c9d4e0; }
.btn-light:hover { box-shadow: 0 2px 0 #c9d4e0; }

/* ヘッダー */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: 60px; }
.logo { display: flex; align-items: center; gap: 8px; color: var(--navy); text-decoration: none; font-size: 14px; font-weight: 700; line-height: 1.3; }
.logo b { display: block; color: var(--accent); font-size: 17px; }
.logo-mark { width: 34px; height: 34px; flex: none; }

/* ファーストビュー */
.hero { background: linear-gradient(160deg, #eef3fa 0%, #fdf3ec 100%); padding: 40px 0 48px; }
.hero-inner { display: grid; gap: 24px; align-items: center; }
.eyebrow { display: inline-block; background: var(--navy); color: #fff; font-size: 13px; font-weight: 700; padding: 4px 12px; border-radius: 4px; margin-bottom: 16px; }
.hero h1 { font-size: 28px; color: var(--navy); }
.catch { font-size: 21px; font-weight: 700; margin: 16px 0; line-height: 1.6; }
.catch strong { color: var(--accent); background: linear-gradient(transparent 65%, #fde2c8 65%); }
.lead { color: var(--muted); margin-bottom: 24px; }
.note { font-size: 13px; color: var(--muted); margin-top: 12px; }
.hero-art { max-width: 300px; margin: 0 auto; }
.pc-br { display: none; }

/* セクション共通 */
.section { padding: 56px 0; }
.section-alt { background: var(--bg-alt); }
.sec-title { font-size: 24px; color: var(--navy); text-align: center; margin-bottom: 16px; }
.sec-title::after { content: ""; display: block; width: 48px; height: 4px; background: var(--accent-2); border-radius: 2px; margin: 12px auto 0; }
.sec-lead { color: var(--muted); max-width: 720px; margin: 0 auto 32px; }

/* お困りごと */
.trouble-list { list-style: none; padding: 0; margin: 0 auto; max-width: 720px; display: grid; gap: 12px; }
.trouble-list li { display: flex; align-items: center; gap: 12px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; font-weight: 700; }
.trouble-list svg { width: 24px; height: 24px; fill: var(--accent); flex: none; }

/* できること */
.cards { display: grid; gap: 16px; }
.card { background: #fff; border-radius: var(--radius); padding: 24px; box-shadow: 0 2px 12px rgba(29,53,87,.06); }
.card img { margin-bottom: 12px; }
.card h3 { font-size: 19px; color: var(--navy); margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 15px; }
.craft { margin: 32px auto 0; max-width: 720px; background: #fff; border-left: 4px solid var(--accent-2); padding: 16px 20px; border-radius: 0 var(--radius) var(--radius) 0; }

/* 料金 */
.prices { display: grid; gap: 16px; }
.price { border: 2px solid var(--line); border-radius: var(--radius); padding: 24px; text-align: center; }
.price-main { border-color: var(--accent-2); }
.price h3 { font-size: 17px; color: var(--navy); }
.yen { font-weight: 700; color: var(--accent); margin: 8px 0 12px; font-size: 18px; }
.yen span { font-size: 36px; letter-spacing: .02em; }
.yen small { font-size: 14px; color: var(--ink); margin-right: 4px; }
.price p:last-child { color: var(--muted); font-size: 15px; }
.price-note { text-align: center; margin-top: 20px; font-size: 14px; color: var(--muted); }

/* 流れ */
.flow { list-style: none; padding: 0; margin: 0 auto; max-width: 720px; display: grid; gap: 12px; }
.flow li { display: flex; gap: 16px; align-items: flex-start; background: #fff; border-radius: var(--radius); padding: 16px 20px; }
.flow .num { flex: none; width: 36px; height: 36px; border-radius: 50%; background: var(--navy); color: #fff; font-weight: 700; display: grid; place-items: center; }
.flow h3 { font-size: 17px; color: var(--navy); }
.flow p { color: var(--muted); font-size: 15px; }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.faq summary { cursor: pointer; font-weight: 700; padding: 16px 48px 16px 20px; position: relative; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "Q"; color: var(--accent); margin-right: 8px; }
.faq summary::after { content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); font-size: 22px; color: var(--navy); }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 20px 16px; color: var(--muted); }

/* お問い合わせ */
.contact { background: var(--navy); color: #fff; text-align: center; }
.contact .sec-title { color: #fff; }
.contact p { margin-bottom: 24px; }
.contact .note { color: #c9d4e0; margin-top: 16px; margin-bottom: 0; }

/* フッター */
.site-footer { background: #13253d; color: #c9d4e0; padding: 32px 0; font-size: 14px; text-align: center; }
.site-footer a { color: #fff; }
.site-footer p + p { margin-top: 8px; }
.footer-name { color: #fff; font-weight: 700; }
.disclaimer { font-size: 12px; }
.copy { font-size: 12px; }

/* 下層ページ */
.page { padding: 48px 0 64px; }
.page h1 { font-size: 26px; color: var(--navy); margin-bottom: 24px; }
.page h2 { font-size: 19px; color: var(--navy); margin: 32px 0 8px; }
.page p, .page li { color: var(--ink); }
.page ul { padding-left: 1.4em; }

/* PC 幅 */
@media (min-width: 768px) {
  .hero { padding: 72px 0 80px; }
  .hero-inner { grid-template-columns: 1.2fr 1fr; gap: 40px; }
  .hero h1 { font-size: 38px; }
  .catch { font-size: 26px; }
  .sp-br { display: none; }
  .pc-br { display: inline; }
  .section { padding: 80px 0; }
  .sec-title { font-size: 30px; }
  .sec-lead { text-align: center; }
  .trouble-list { grid-template-columns: 1fr 1fr; }
  .cards { grid-template-columns: 1fr 1fr; }
  .prices { grid-template-columns: repeat(3, 1fr); }
  .header-inner { height: 68px; }
  .logo { font-size: 15px; }
}
@media (min-width: 1024px) {
  .cards { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 768px) {
  .logo b { display: inline; }
  .hero-art { max-width: 420px; }
}