/* ============================================================
   買取サンプル HP デザインシステム
   ブランドカラーは :root の変数を変更するだけで全体に反映
   ============================================================ */
:root {
  --c-primary: #a01b2e;      /* メイン: 深紅 */
  --c-primary-dark: #7c1322;
  --c-accent: #c9a24b;       /* アクセント: 金 */
  --c-accent-light: #e6d3a3;
  --c-ink: #2b2b2b;
  --c-ink-light: #666;
  --c-bg: #faf8f4;
  --c-white: #fff;
  --c-line: #e5ddd0;
  --shadow: 0 2px 12px rgba(0,0,0,.08);
  --radius: 10px;
}

/* --- reset lite --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
a { color: inherit; text-decoration: none; }
body {
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "BIZ UDPGothic", Meiryo, sans-serif;
  color: var(--c-ink);
  background: var(--c-bg);
  line-height: 1.8;
  font-size: 16px;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* --- header --- */
.site-header { background: var(--c-white); box-shadow: var(--shadow); position: sticky; top: 0; z-index: 100; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding-top: 12px; padding-bottom: 12px; gap: 16px; }
.header-logo img { width: 180px; height: auto; }
.header-contact { text-align: right; margin-left: auto; }
.header-tel { font-size: 22px; font-weight: 700; color: var(--c-primary); white-space: nowrap; }
.header-hours { display: block; font-size: 12px; color: var(--c-ink-light); }
.nav-toggle { display: none; }

.site-nav { background: var(--c-primary); }
.site-nav ul { display: flex; flex-wrap: wrap; }
.site-nav a {
  display: block; padding: 12px 18px; color: var(--c-white);
  font-size: 15px; font-weight: 600; transition: background .2s;
}
.site-nav a:hover { background: var(--c-primary-dark); }

/* --- notice band --- */
.notice-band {
  background: linear-gradient(90deg, var(--c-accent), #b8923d);
  color: var(--c-white); text-align: center; padding: 10px 16px; font-weight: 700;
}
.notice-band .notice-period { font-size: 13px; font-weight: 400; margin-left: 12px; opacity: .95; }

/* --- hero --- */
.hero { background: linear-gradient(135deg, #fdf6e8 0%, #f7ecd2 100%); overflow: hidden; }
.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 32px; align-items: center; padding: 56px 20px; }
.hero h1 { font-size: 38px; line-height: 1.4; color: var(--c-primary); }
.hero h1 .hero-sub { display: block; font-size: 18px; color: var(--c-ink); margin-bottom: 8px; font-weight: 600; }
.hero-points { margin: 20px 0; display: flex; gap: 10px; flex-wrap: wrap; }
.hero-points li {
  background: var(--c-white); border: 2px solid var(--c-accent); color: var(--c-primary);
  border-radius: 999px; padding: 6px 16px; font-weight: 700; font-size: 14px;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }

/* --- buttons --- */
.btn-primary, .btn-tel, .btn-outline {
  display: inline-block; padding: 14px 32px; border-radius: 999px;
  font-weight: 700; font-size: 16px; text-align: center; transition: opacity .2s, transform .2s;
}
.btn-primary { background: var(--c-primary); color: var(--c-white); box-shadow: var(--shadow); }
.btn-tel { background: var(--c-white); color: var(--c-primary); border: 2px solid var(--c-primary); }
.btn-outline { border: 2px solid var(--c-white); color: var(--c-white); }
.btn-primary:hover, .btn-tel:hover, .btn-outline:hover { opacity: .85; transform: translateY(-1px); }

/* --- sections --- */
.section { padding: 64px 0; }
.section.alt { background: var(--c-white); }
.section-title { text-align: center; font-size: 30px; color: var(--c-ink); margin-bottom: 8px; }
.section-title::after {
  content: ""; display: block; width: 56px; height: 3px;
  background: var(--c-accent); margin: 14px auto 0;
}
.section-lead { text-align: center; color: var(--c-ink-light); margin-bottom: 40px; }

/* --- point cards --- */
.point-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; }
.point-card {
  background: var(--c-white); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 28px 20px; text-align: center; border-top: 4px solid var(--c-accent);
}
.point-card .point-num { font-size: 13px; color: var(--c-accent); font-weight: 700; letter-spacing: .1em; }
.point-card h3 { font-size: 18px; color: var(--c-primary); margin: 8px 0 10px; }
.point-card p { font-size: 14px; color: var(--c-ink-light); }

/* --- market table --- */
.market-box {
  max-width: 640px; margin: 0 auto; background: var(--c-white);
  border: 2px solid var(--c-accent); border-radius: var(--radius); overflow: hidden;
}
.market-box table { width: 100%; border-collapse: collapse; }
.market-box th, .market-box td { padding: 18px 24px; border-bottom: 1px solid var(--c-line); }
.market-box th { text-align: left; font-size: 16px; width: 50%; background: #fdf9ee; }
.market-box td { text-align: right; font-size: 26px; font-weight: 700; color: var(--c-primary); }
.market-box td .unit { font-size: 14px; color: var(--c-ink-light); font-weight: 400; margin-left: 4px; }
.market-note { text-align: center; font-size: 12px; color: var(--c-ink-light); margin-top: 12px; }
.market-updated { text-align: center; font-size: 13px; color: var(--c-ink-light); margin-top: 4px; }

/* --- flow steps --- */
.flow-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 40px; }
.flow-step { background: var(--c-white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px 12px; text-align: center; position: relative; }
.flow-step .flow-num {
  width: 36px; height: 36px; border-radius: 50%; background: var(--c-primary); color: var(--c-white);
  font-weight: 700; display: flex; align-items: center; justify-content: center; margin: 0 auto 10px;
}
.flow-step h3 { font-size: 15px; color: var(--c-ink); }
.flow-step p { font-size: 12px; color: var(--c-ink-light); margin-top: 6px; }

/* --- item grid --- */
.item-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 14px; margin-top: 40px; }
.item-card {
  background: var(--c-white); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 14px 8px; text-align: center; transition: transform .2s;
}
.item-card:hover { transform: translateY(-3px); }
.item-card img { width: 64px; height: 64px; margin: 0 auto 8px; }
.item-card span { font-size: 13px; font-weight: 600; }

/* --- results --- */
.results-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; }
.result-card { background: var(--c-white); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.result-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.result-card .result-body { padding: 16px; }
.result-card .result-date { font-size: 12px; color: var(--c-ink-light); }
.result-card h3 { font-size: 15px; margin: 4px 0; }
.result-card .result-price { color: var(--c-primary); font-size: 20px; font-weight: 700; }
.result-card .result-comment { font-size: 13px; color: var(--c-ink-light); margin-top: 6px; }
.section-more { text-align: center; margin-top: 36px; }

/* --- accordion (FAQ) --- */
.accordion { max-width: 760px; margin: 40px auto 0; }
.accordion details {
  background: var(--c-white); border-radius: var(--radius); box-shadow: var(--shadow);
  margin-bottom: 12px; overflow: hidden;
}
.accordion summary {
  cursor: pointer; padding: 18px 20px; font-weight: 700; list-style: none; position: relative; padding-right: 44px;
}
.accordion summary::before { content: "Q."; color: var(--c-accent); font-weight: 700; margin-right: 10px; }
.accordion summary::after {
  content: "＋"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%);
  color: var(--c-primary); font-size: 18px;
}
.accordion details[open] summary::after { content: "－"; }
.accordion .accordion-body { padding: 0 20px 18px 20px; color: var(--c-ink-light); font-size: 15px; }
.accordion .accordion-body::before { content: "A."; color: var(--c-primary); font-weight: 700; margin-right: 10px; }

/* --- shop info --- */
.shop-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 40px; align-items: start; }
.shop-table { width: 100%; border-collapse: collapse; background: var(--c-white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.shop-table th, .shop-table td { padding: 14px 18px; border-bottom: 1px solid var(--c-line); text-align: left; font-size: 15px; }
.shop-table th { width: 30%; background: #fdf9ee; white-space: nowrap; }
.map-placeholder {
  background: var(--c-white); border: 2px dashed var(--c-line); border-radius: var(--radius);
  aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center;
  color: var(--c-ink-light); font-size: 14px; text-align: center;
}

/* --- CTA band + footer --- */
.cta-band { background: var(--c-primary); color: var(--c-white); padding: 40px 0; text-align: center; }
.cta-band-text { font-size: 24px; font-weight: 700; margin-bottom: 20px; }
.cta-band-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-band .btn-tel { border-color: var(--c-white); }
.cta-band .btn-primary { background: var(--c-accent); }

.site-footer { background: #241f1c; color: #d9d2c7; padding: 48px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; }
.footer-shop p { font-size: 14px; margin-top: 14px; }
.footer-nav { display: flex; gap: 40px; }
.footer-nav a { font-size: 14px; line-height: 2.2; }
.footer-nav a:hover { color: var(--c-accent-light); }
.footer-legal { border-top: 1px solid #3d3630; margin-top: 32px; padding-top: 20px; font-size: 12px; color: #a89e8f; }
.copyright { margin-top: 6px; }

/* --- page hero (下層) --- */
.page-hero { background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark)); color: var(--c-white); padding: 40px 0; }
.page-hero h1 { font-size: 28px; text-align: center; }

/* --- contact form --- */
.form-box { max-width: 640px; margin: 0 auto; background: var(--c-white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 36px; }
.form-row { margin-bottom: 20px; }
.form-row label { display: block; font-weight: 700; font-size: 14px; margin-bottom: 6px; }
.form-row .required { color: var(--c-primary); font-size: 12px; margin-left: 6px; }
.form-row input[type=text], .form-row input[type=email], .form-row input[type=tel],
.form-row select, .form-row textarea {
  width: 100%; padding: 12px; border: 1px solid var(--c-line); border-radius: 6px;
  font-size: 16px; font-family: inherit; background: #fffdf9;
}
.form-row textarea { min-height: 140px; resize: vertical; }
.form-agree { text-align: center; font-size: 14px; margin: 24px 0; }
.form-submit { text-align: center; }
.form-error { background: #fdeaea; border: 1px solid #e3a1a1; color: #8f1f1f; border-radius: 6px; padding: 12px 16px; margin-bottom: 20px; font-size: 14px; }
.form-done { text-align: center; padding: 40px 0; }
.form-done h2 { color: var(--c-primary); margin-bottom: 12px; }
.hp-field { position: absolute; left: -9999px; opacity: 0; }

/* --- admin --- */
.admin-body { background: #f0eee9; }
.admin-header { background: var(--c-ink); color: var(--c-white); padding: 12px 0; }
.admin-header .container { display: flex; justify-content: space-between; align-items: center; }
.admin-header a { color: var(--c-accent-light); font-size: 14px; margin-left: 16px; }
.admin-main { padding: 32px 0 64px; }
.admin-card { background: var(--c-white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 28px; margin-bottom: 24px; }
.admin-card h2 { font-size: 18px; margin-bottom: 16px; color: var(--c-primary); }
.admin-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.admin-table th, .admin-table td { padding: 10px 12px; border-bottom: 1px solid var(--c-line); text-align: left; vertical-align: middle; }
.admin-table img { width: 60px; height: 45px; object-fit: cover; border-radius: 4px; }
.admin-nav { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.admin-nav a { background: var(--c-white); border-radius: 6px; padding: 10px 18px; font-size: 14px; font-weight: 600; box-shadow: var(--shadow); }
.admin-nav a.active { background: var(--c-primary); color: var(--c-white); }
.btn-small { display: inline-block; padding: 6px 14px; border-radius: 6px; font-size: 13px; font-weight: 600; background: var(--c-primary); color: var(--c-white); border: none; cursor: pointer; font-family: inherit; }
.btn-small.gray { background: #888; }
.btn-small.danger { background: #c0392b; }
.admin-msg { background: #e8f6e8; border: 1px solid #9fce9f; color: #1e6b1e; border-radius: 6px; padding: 10px 16px; margin-bottom: 20px; font-size: 14px; }
.login-box { max-width: 400px; margin: 80px auto; }

/* --- sample watermark --- */
.sample-ribbon {
  position: fixed; top: 12px; left: -44px; z-index: 999; transform: rotate(-45deg);
  background: rgba(160,27,46,.92); color: #fff; font-size: 12px; font-weight: 700;
  padding: 6px 48px; letter-spacing: .15em; pointer-events: none;
}

/* ============================================================
   responsive
   ============================================================ */
@media (max-width: 900px) {
  .point-grid { grid-template-columns: repeat(2, 1fr); }
  .item-grid { grid-template-columns: repeat(4, 1fr); }
  .results-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-inner { grid-template-columns: 1fr; padding: 40px 20px; }
  .hero h1 { font-size: 30px; }
  .footer-grid, .shop-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .header-logo img { width: 140px; }
  .header-contact { display: none; }
  .nav-toggle {
    display: block; background: none; border: none; cursor: pointer; padding: 8px;
  }
  .nav-toggle span { display: block; width: 26px; height: 3px; background: var(--c-primary); margin: 5px 0; border-radius: 2px; transition: .25s; }
  .nav-toggle[aria-expanded=true] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .nav-toggle[aria-expanded=true] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded=true] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .site-nav { display: none; }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; padding: 0; }
  .site-nav a { border-bottom: 1px solid rgba(255,255,255,.15); }
  .item-grid { grid-template-columns: repeat(3, 1fr); }
  .results-grid { grid-template-columns: 1fr; }
  .flow-grid { grid-template-columns: 1fr 1fr; }
  .point-grid { grid-template-columns: 1fr; }
  .section { padding: 44px 0; }
  .section-title { font-size: 24px; }
  .market-box td { font-size: 20px; }
  .form-box { padding: 24px 18px; }
}