/* ═══════════════════════════════════════════
   PEAK — 総合買取専門店 (extends style.css)
   ═══════════════════════════════════════════ */

/* brand */
.peak-mark {
  width: 40px; height: 40px; display: grid; place-items: center;
  border: 1px solid var(--gold); border-radius: 50%;
  color: var(--gold); font-family: var(--serif); font-size: 20px; font-weight: 700;
  box-shadow: 0 0 18px rgba(201, 169, 97, 0.15);
}
.brand-text small {
  display: block; font-family: var(--sans); font-weight: 400;
  font-size: 9px; letter-spacing: 0.3em; color: var(--muted); margin-top: 2px;
}

/* hero */
.hero-peak .hero-bg {
  background-image: url("../assets/reuse-watch.jpg");
  background-position: center 30%;
  opacity: 0.45;
}
.hero-cta-row {
  display: flex; gap: 18px; flex-wrap: wrap; align-items: center;
  margin-top: 44px;
  opacity: 0; animation: fadeUp 1s 1.2s forwards;
}
.hero-cta-row .btn-gold { margin-top: 0; }
.btn-line-outline {
  display: inline-block; padding: 17px 40px;
  border: 1px solid var(--gold); border-radius: 999px;
  color: var(--gold); font-weight: 500; font-size: 14px; letter-spacing: 0.08em;
  transition: background 0.3s, color 0.3s, transform 0.3s;
}
.btn-line-outline:hover { background: var(--gold); color: #0a0a09; transform: translateY(-3px); }

/* trust bar */
.peak-trust { padding: clamp(40px, 5vw, 70px) 0; }

/* items */
.items { background: var(--bg-2); }
.item-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: clamp(14px, 1.6vw, 22px);
}
.item-grid li {
  padding: clamp(22px, 2.2vw, 30px);
  background: var(--panel); border: 1px solid var(--line-soft);
  transition: border-color 0.4s, transform 0.4s;
}
.item-grid li:hover { border-color: var(--line); transform: translateY(-5px); }
.item-grid i {
  font-style: normal; font-size: 26px; display: block; margin-bottom: 12px;
  filter: grayscale(0.2) sepia(0.3) hue-rotate(-10deg) saturate(1.1);
}
.item-grid h3 {
  font-family: var(--serif); font-size: 16px; font-weight: 600;
  letter-spacing: 0.06em; margin-bottom: 8px; line-height: 1.6;
}
.item-grid p { color: var(--muted); font-size: 12px; line-height: 1.8; }
.items-note {
  margin-top: 28px; text-align: center; color: var(--muted); font-size: 13px;
}

/* reasons: reuse .str-grid, 2x2 */
.reasons-grid { grid-template-columns: repeat(2, 1fr); }

/* methods */
.method-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 2.5vw, 32px); }
.method-card {
  padding: clamp(28px, 3vw, 40px);
  background: linear-gradient(160deg, #16130c, var(--panel) 60%);
  border: 1px solid var(--line);
  transition: transform 0.4s, border-color 0.4s;
}
.method-card:hover { transform: translateY(-6px); border-color: var(--gold-deep); }
.mc-label {
  font-family: var(--en); font-size: 10px; font-weight: 700;
  letter-spacing: 0.35em; color: var(--gold);
}
.method-card h3 {
  font-family: var(--serif); font-size: 22px; font-weight: 600;
  letter-spacing: 0.1em; margin: 12px 0 14px;
}
.method-card > p { color: var(--muted); font-size: 13.5px; }
.method-card .biz-points { margin-top: 16px; }

/* flow */
.flow { background: var(--bg-2); }
.flow-steps {
  list-style: none; display: grid; grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 2vw, 28px);
}
.flow-steps li {
  position: relative; padding: clamp(24px, 2.4vw, 34px);
  background: var(--panel); border: 1px solid var(--line-soft);
}
.flow-steps li:not(:last-child)::after {
  content: "→"; position: absolute; right: -20px; top: 50%;
  transform: translateY(-50%); color: var(--gold); font-size: 16px; z-index: 2;
}
.fs-num {
  display: inline-grid; place-items: center; width: 40px; height: 40px;
  border-radius: 50%; border: 1px solid var(--gold);
  font-family: var(--en); font-weight: 700; font-size: 16px; color: var(--gold);
  margin-bottom: 14px;
}
.flow-steps h3 { font-family: var(--serif); font-size: 17px; font-weight: 600; letter-spacing: 0.08em; margin-bottom: 10px; }
.flow-steps p { color: var(--muted); font-size: 12.5px; line-height: 1.9; }
.flow-note { margin-top: 26px; color: var(--muted); font-size: 12.5px; text-align: center; }

/* condition */
.cond-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: clamp(12px, 1.5vw, 20px);
}
.cond-grid li {
  padding: 18px 20px 18px 46px; position: relative;
  background: var(--panel); border: 1px solid var(--line-soft);
  font-size: 13.5px;
}
.cond-grid li::before {
  content: "✓"; position: absolute; left: 18px; top: 50%;
  transform: translateY(-50%); color: var(--gold); font-weight: 700;
}

/* faq */
.faq { background: var(--bg-2); }
.faq-list { max-width: 820px; }
.faq-list details {
  border-bottom: 1px solid var(--line-soft);
}
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary {
  cursor: pointer; list-style: none;
  padding: 22px 40px; position: relative;
  font-size: 15px; font-weight: 500; letter-spacing: 0.04em;
  transition: color 0.3s;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::before {
  content: "Q"; position: absolute; left: 4px; top: 21px;
  font-family: var(--en); font-weight: 700; color: var(--gold);
}
.faq-list summary::after {
  content: "+"; position: absolute; right: 8px; top: 50%;
  transform: translateY(-50%); color: var(--gold); font-size: 20px; font-weight: 300;
  transition: transform 0.3s;
}
.faq-list details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-list summary:hover { color: var(--gold-light); }
.faq-list details p {
  padding: 0 8px 24px 40px; position: relative;
  color: var(--muted); font-size: 14px;
}
.faq-list details p::before {
  content: "A"; position: absolute; left: 4px; top: -2px;
  font-family: var(--en); font-weight: 700; color: var(--muted);
}

/* company link */
.company-link { margin-top: 30px; }
.company-link a {
  color: var(--gold); font-size: 13.5px; letter-spacing: 0.06em;
  border-bottom: 1px solid var(--gold-deep); padding-bottom: 3px;
  transition: color 0.3s;
}
.company-link a:hover { color: var(--gold-light); }

/* footer license */
.footer-license { font-size: 11px; color: #6b665c; letter-spacing: 0.04em; }

/* responsive */
@media (max-width: 900px) {
  .item-grid { grid-template-columns: repeat(2, 1fr); }
  .reasons-grid { grid-template-columns: 1fr; }
  .method-grid { grid-template-columns: 1fr; }
  .flow-steps { grid-template-columns: 1fr; }
  .flow-steps li:not(:last-child)::after {
    content: "↓"; right: auto; left: 50%; top: auto; bottom: -22px;
    transform: translateX(-50%);
  }
  .cond-grid { grid-template-columns: 1fr; }
  .hero-cta-row { flex-direction: column; align-items: flex-start; }
}