/* =========================================================
   七幸質店（デモサイト） Ver.2
   白・アイボリー基調 × 深緑アクセント
   ========================================================= */

:root {
  --color-bg: #faf8f3;
  --color-bg-ivory: #f3efe4;
  --color-white: #ffffff;
  --color-text: #2c2c2a;
  --color-text-sub: #5c5c58;
  --color-green: #1f4d3f;
  --color-green-dark: #163a30;
  --color-green-light: #e8efe9;
  --color-border: #e2ddd0;
  --color-accent-navy: #223a5e;
  --font-jp: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
  --font-mincho: "Shippori Mincho", serif;
  --radius: 10px;
  --max-width: 1120px;
  --header-h: 72px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 44px); }

body {
  margin: 0;
  font-family: var(--font-jp);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

ul, ol { margin: 0; padding: 0; list-style: none; }

h1, h2, h3 { font-family: var(--font-mincho); margin: 0; color: var(--color-green-dark); }

p { margin: 0; }

.section-inner, .header-inner, .footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.sp-only { display: none; }

/* ===== デモバナー ===== */
.demo-banner {
  background: var(--color-green-dark);
  color: #fff;
  text-align: center;
  font-size: 0.82rem;
  padding: 8px 16px;
  line-height: 1.6;
  position: sticky;
  top: 0;
  z-index: 1100;
}

/* ===== ヘッダー ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(250, 248, 243, 0.97);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(6px);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-green);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mincho);
  font-weight: 700;
  font-size: 1.1rem;
}

.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-name { font-family: var(--font-mincho); font-weight: 700; font-size: 1.15rem; color: var(--color-green-dark); }
.logo-sub { font-size: 0.6rem; letter-spacing: 0.08em; color: var(--color-text-sub); }

.gnav ul { display: flex; align-items: center; gap: 22px; }
.nav-link { font-size: 0.88rem; font-weight: 500; white-space: nowrap; position: relative; padding: 4px 2px; }
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--color-green);
  transition: width 0.25s ease;
}
.nav-link:hover::after { width: 100%; }

.nav-link--btn {
  background: var(--color-green);
  color: #fff !important;
  padding: 8px 16px;
  border-radius: 24px;
}
.nav-link--btn::after { display: none; }
.nav-link--btn:hover { background: var(--color-green-dark); }

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 22px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-green-dark);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.hamburger.active span:nth-child(1) { transform: translateY(10px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-10px) rotate(-45deg); }

.gnav-mobile {
  display: none;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}
.gnav-mobile ul { display: flex; flex-direction: column; padding: 8px 24px 16px; }
.nav-link-m {
  display: block;
  padding: 14px 4px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}
.nav-link-m--btn {
  text-align: center;
  background: var(--color-green);
  color: #fff !important;
  border-radius: 8px;
  margin-top: 12px;
  border-bottom: none;
}

/* ===== ヒーロー ===== */
.hero {
  background: linear-gradient(135deg, var(--color-bg-ivory) 0%, var(--color-bg) 60%);
  padding: 64px 0 56px;
  display: flex;
  align-items: center;
  gap: 48px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.hero-inner { flex: 1.3; }

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--color-green);
  background: var(--color-green-light);
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 18px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.hero-title {
  font-size: clamp(1.7rem, 3.2vw, 2.5rem);
  line-height: 1.5;
  color: var(--color-green-dark);
  margin-bottom: 20px;
}
.hero-title-accent { color: var(--color-accent-navy); }

.hero-lead {
  font-size: 0.98rem;
  color: var(--color-text-sub);
  margin-bottom: 28px;
  max-width: 560px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 32px; }

.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 28px;
  font-size: 0.92rem;
  font-weight: 500;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}
.btn-primary { background: var(--color-green); color: #fff; border-color: var(--color-green); }
.btn-primary:hover { background: var(--color-green-dark); border-color: var(--color-green-dark); }
.btn-outline { background: transparent; color: var(--color-green-dark); border-color: var(--color-green-dark); }
.btn-outline:hover { background: var(--color-green-dark); color: #fff; }

.hero-points { display: flex; flex-direction: column; gap: 8px; }
.hero-points li {
  font-size: 0.86rem;
  color: var(--color-text-sub);
  padding-left: 22px;
  position: relative;
}
.hero-points li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-green);
  font-weight: 700;
}

.hero-visual { flex: 1; display: flex; justify-content: center; }
.hero-visual-card {
  width: 220px;
  height: 220px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  box-shadow: 0 16px 40px rgba(31, 77, 63, 0.1);
  color: var(--color-green);
}
.hero-icon { width: 80px; height: 80px; }
.hero-visual-card p { font-size: 0.85rem; color: var(--color-green-dark); font-weight: 500; }

/* ===== 共通セクション ===== */
.section { padding: 68px 0; }
.section:nth-child(even) { background: var(--color-white); }
.section-about { background: var(--color-white); }
.section-flow { background: var(--color-bg); }
.section-items { background: var(--color-white); }
.section-kaitori { background: var(--color-bg-ivory); }
.section-values { background: var(--color-bg); }
.section-faq { background: var(--color-white); }
.section-shop { background: var(--color-bg-ivory); }
.section-contact { background: var(--color-bg); }

.section-tag {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--color-green);
  font-weight: 700;
  margin-bottom: 8px;
}

.section-title {
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  margin-bottom: 18px;
}

.section-lead {
  color: var(--color-text-sub);
  font-size: 0.95rem;
  max-width: 760px;
  margin-bottom: 36px;
}

.note-text {
  font-size: 0.82rem;
  color: var(--color-text-sub);
  background: var(--color-green-light);
  border-left: 3px solid var(--color-green);
  padding: 12px 16px;
  border-radius: 4px;
  margin-top: 24px;
}

/* ===== 質預かりとは：比較 ===== */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.compare-card {
  background: var(--color-green-light);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--color-border);
}
.compare-card--sub { background: var(--color-bg-ivory); }
.compare-card h3 {
  font-size: 1.1rem;
  margin-bottom: 16px;
  color: var(--color-green-dark);
}
.compare-card ul { display: flex; flex-direction: column; gap: 10px; }
.compare-card li { font-size: 0.9rem; color: var(--color-text-sub); padding-left: 16px; position: relative; }
.compare-card li::before { content: "・"; position: absolute; left: 0; color: var(--color-green); }

/* ===== 流れ ===== */
.flow-list { display: flex; flex-direction: column; gap: 0; }
.flow-item {
  display: flex;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border);
}
.flow-item:last-child { border-bottom: none; }
.flow-num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-green);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mincho);
  font-weight: 700;
  font-size: 1.1rem;
}
.flow-body h3 { font-size: 1.05rem; margin-bottom: 8px; }
.flow-body p { color: var(--color-text-sub); font-size: 0.9rem; }

/* ===== 取扱品目 ===== */
.item-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.item-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.item-card:hover { box-shadow: 0 10px 24px rgba(31,77,63,0.08); transform: translateY(-2px); }
.item-icon { width: 44px; height: 44px; margin: 0 auto 14px; color: var(--color-green); }
.item-card h3 { font-size: 1rem; margin-bottom: 6px; color: var(--color-green-dark); }
.item-card p { font-size: 0.82rem; color: var(--color-text-sub); }
.item-card--more { background: var(--color-green-light); display: flex; flex-direction: column; justify-content: center; }

/* ===== 買取 ===== */
.kaitori-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.kaitori-col {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
}
.kaitori-col h3 { font-size: 1rem; margin-bottom: 16px; color: var(--color-accent-navy); }
.kaitori-col ul { display: flex; flex-direction: column; gap: 10px; }
.kaitori-col li { font-size: 0.9rem; color: var(--color-text-sub); padding-left: 16px; position: relative; }
.kaitori-col li::before { content: "・"; position: absolute; left: 0; color: var(--color-accent-navy); }

/* ===== 大切にしていること ===== */
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 8px;
}
.value-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
}
.value-card h3 { font-size: 1.05rem; margin-bottom: 12px; color: var(--color-green-dark); }
.value-card p { font-size: 0.88rem; color: var(--color-text-sub); }

/* ===== FAQ ===== */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-jp);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-green-dark);
}
.faq-icon { position: relative; width: 18px; height: 18px; flex-shrink: 0; }
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  background: var(--color-green);
  transition: transform 0.25s ease;
}
.faq-icon::before { width: 100%; height: 2px; top: 8px; left: 0; }
.faq-icon::after { width: 2px; height: 100%; top: 0; left: 8px; }
.faq-question[aria-expanded="true"] .faq-icon::after { transform: rotate(90deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 20px;
}
.faq-answer p { padding-bottom: 18px; color: var(--color-text-sub); font-size: 0.88rem; }
.faq-item.open .faq-answer { max-height: 300px; }

/* ===== 店舗情報 ===== */
.shop-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 32px;
  align-items: start;
}
.shop-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.shop-table th, .shop-table td {
  padding: 16px 18px;
  text-align: left;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--color-border);
}
.shop-table tr:last-child th, .shop-table tr:last-child td { border-bottom: none; }
.shop-table th {
  width: 130px;
  color: var(--color-green-dark);
  font-weight: 500;
  background: var(--color-green-light);
}
.tbd {
  display: inline-block;
  margin-left: 8px;
  font-size: 0.72rem;
  color: #a3432c;
  background: #fbe9e4;
  padding: 2px 8px;
  border-radius: 10px;
}

.shop-map {
  height: 100%;
  min-height: 220px;
}
.map-placeholder {
  height: 100%;
  min-height: 220px;
  background: var(--color-white);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--color-text-sub);
  padding: 20px;
  text-align: center;
}
.map-icon { width: 48px; height: 48px; color: var(--color-green); }
.map-placeholder p { font-size: 0.82rem; }

/* ===== お問い合わせ ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.contact-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
}
.contact-card h3 { font-size: 1rem; margin-bottom: 16px; color: var(--color-green-dark); }
.contact-tel-demo {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-green-dark);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}
.btn-demo { margin-top: 12px; width: 100%; }

.demo-form { display: flex; flex-direction: column; gap: 14px; }
.demo-form label { font-size: 0.82rem; color: var(--color-text-sub); display: flex; flex-direction: column; gap: 6px; }
.demo-form input, .demo-form textarea {
  font-family: var(--font-jp);
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg);
  color: var(--color-text-sub);
  font-size: 0.88rem;
  resize: vertical;
}

.contact-note {
  margin-top: 28px;
  padding: 18px 20px;
  background: var(--color-green-light);
  border-radius: var(--radius);
  font-size: 0.84rem;
  color: var(--color-text-sub);
}

/* ===== フッター ===== */
.site-footer {
  background: var(--color-green-dark);
  color: #e9efe9;
  padding: 44px 0 28px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.footer-brand .logo-mark { background: #fff; color: var(--color-green-dark); }
.footer-brand .logo-name { color: #fff; font-size: 1.1rem; }
.footer-text { font-size: 0.8rem; color: #c9d4cd; max-width: 760px; margin-bottom: 20px; }
.footer-copy { font-size: 0.75rem; color: #9fb0a6; }

/* ===== デモモーダル ===== */
.demo-modal {
  position: fixed;
  inset: 0;
  background: rgba(20, 30, 25, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 20px;
}
.demo-modal[hidden] { display: none; }
.demo-modal-box {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px;
  max-width: 360px;
  width: 100%;
  text-align: center;
}
.demo-modal-box h3 { font-size: 1.05rem; margin-bottom: 12px; }
.demo-modal-box p { font-size: 0.88rem; color: var(--color-text-sub); margin-bottom: 20px; }

/* =========================================================
   レスポンシブ
   ========================================================= */
@media (max-width: 960px) {
  .gnav { display: none; }
  .hamburger { display: flex; }
  .gnav-mobile.open { display: block; }

  .hero { flex-direction: column-reverse; padding-top: 40px; padding-bottom: 40px; gap: 28px; }
  .hero-visual-card { width: 160px; height: 160px; }
  .hero-icon { width: 56px; height: 56px; }

  .compare-grid, .kaitori-compare, .value-grid, .shop-grid, .contact-grid {
    grid-template-columns: 1fr;
  }
  .item-grid { grid-template-columns: repeat(2, 1fr); }
  .sp-only { display: inline; }
}

@media (max-width: 600px) {
  .section { padding: 48px 0; }
  .item-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .item-card { padding: 16px; }
  .flow-item { gap: 16px; }
  .shop-table th { width: 100px; font-size: 0.82rem; }
  .shop-table th, .shop-table td { padding: 12px; font-size: 0.82rem; }
  .logo-sub { display: none; }
  .hero-eyebrow { font-size: 0.72rem; }
}