/* ============================================
   ブランド買取LP - style.css
   カラー: ネイビー/ゴールド/ホワイト
   フォント: Noto Serif JP (見出し) + Noto Sans JP (本文)
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --color-navy: #1a2744;
  --color-navy-dark: #0f1a2e;
  --color-navy-light: #2a3a5c;
  --color-gold: #c9a96e;
  --color-gold-light: #e0cc9e;
  --color-gold-dark: #a68940;
  --color-white: #ffffff;
  --color-bg: #f8f7f5;
  --color-bg-alt: #f0ede8;
  --color-gray-100: #f5f4f2;
  --color-gray-200: #e8e6e2;
  --color-gray-300: #d4d1cc;
  --color-gray-500: #8a8580;
  --color-gray-700: #4a4540;
  --color-gray-900: #2a2520;
  --color-cta: #2e8b57;
  --color-cta-hover: #257a4a;
  --color-cta-shadow: rgba(46, 139, 87, 0.35);
  --color-danger: #c0392b;

  --font-serif: 'Noto Serif JP', serif;
  --font-sans: 'Noto Sans JP', sans-serif;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 50%;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
  --shadow-gold: 0 4px 20px rgba(201, 169, 110, 0.2);

  --transition: 0.3s ease;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-gray-900);
  background-color: var(--color-bg);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul,
ol {
  list-style: none;
}

table {
  border-collapse: collapse;
  width: 100%;
}

/* ---------- Container ---------- */
.container {
  max-width: 480px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Section ---------- */
.section {
  padding: 64px 0;
}

.section__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  line-height: 1.5;
  margin-bottom: 40px;
  color: var(--color-navy);
  letter-spacing: 0.05em;
}

.section__title-sub {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 8px;
}

.section__lead {
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-gray-500);
  margin-bottom: 32px;
  line-height: 1.8;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.4;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-cta) 0%, #34a65f 100%);
  color: var(--color-white);
  padding: 16px 32px;
  box-shadow: 0 4px 16px var(--color-cta-shadow);
}

.btn--primary:hover {
  background: linear-gradient(135deg, var(--color-cta-hover) 0%, #2e9654 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px var(--color-cta-shadow);
}

.btn--secondary {
  background: var(--color-navy);
  color: var(--color-white);
  padding: 16px 32px;
  box-shadow: 0 4px 16px rgba(26, 39, 68, 0.25);
}

.btn--secondary:hover {
  background: var(--color-navy-light);
  transform: translateY(-2px);
}

.btn--lg {
  font-size: 1.05rem;
  padding: 18px 36px;
  width: 100%;
}

.btn--hero {
  font-size: 1.1rem;
  padding: 18px 40px;
  border-radius: var(--radius-lg);
  animation: pulse-glow 2.5s infinite;
}

@keyframes pulse-glow {

  0%,
  100% {
    box-shadow: 0 4px 16px var(--color-cta-shadow);
  }

  50% {
    box-shadow: 0 4px 30px var(--color-cta-shadow), 0 0 0 8px rgba(46, 139, 87, 0.1);
  }
}

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(165deg, var(--color-navy-dark) 0%, var(--color-navy) 40%, var(--color-navy-light) 100%);
  overflow: hidden;
  padding: 80px 20px 40px;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(201, 169, 110, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, rgba(201, 169, 110, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 500px;
}

.hero__badge {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.hero__badge-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-gold);
  background: rgba(201, 169, 110, 0.12);
  border: 1px solid rgba(201, 169, 110, 0.3);
  border-radius: 100px;
  padding: 6px 14px;
  letter-spacing: 0.04em;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.6;
  margin-bottom: 16px;
  letter-spacing: 0.06em;
}

.hero__title em {
  font-style: normal;
  color: var(--color-gold);
  position: relative;
}

.hero__title em::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  border-radius: 2px;
}

.hero__subtitle {
  font-size: 0.85rem;
  color: var(--color-gray-300);
  letter-spacing: 0.12em;
  margin-bottom: 32px;
}

/* Hero Visual (SVG decorations) */
.hero__visual {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.hero__item {
  position: absolute;
  opacity: 0.12;
}

.hero__item--bag {
  width: 120px;
  top: 10%;
  right: -10px;
  animation: float 8s ease-in-out infinite;
}

.hero__item--watch {
  width: 100px;
  bottom: 15%;
  left: -15px;
  animation: float 10s ease-in-out infinite 2s;
}

.hero__item--ring {
  width: 80px;
  top: 55%;
  right: 10%;
  animation: float 7s ease-in-out infinite 4s;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  50% {
    transform: translateY(-12px) rotate(3deg);
  }
}

/* =============================================
   CONCERNS (悩みへの共感)
   ============================================= */
.section--concerns {
  background: var(--color-white);
}

.concerns__list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.concerns__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--color-gray-100);
  border-radius: var(--radius-md);
  padding: 20px;
  border-left: 4px solid var(--color-gold);
  font-size: 0.95rem;
  line-height: 1.7;
  transition: transform var(--transition);
}

.concerns__item:hover {
  transform: translateX(4px);
}

.concerns__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.concerns__item strong {
  color: var(--color-danger);
}

.concerns__cta {
  text-align: center;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.8;
  letter-spacing: 0.04em;
}

.concerns__cta strong {
  color: var(--color-gold-dark);
}

/* =============================================
   REASONS (選ばれる理由)
   ============================================= */
.section--reasons {
  background: var(--color-bg);
}

.reasons__grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.reason-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.reason-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.reason-card__number {
  position: absolute;
  top: 16px;
  right: 20px;
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  color: rgba(201, 169, 110, 0.12);
  line-height: 1;
}

.reason-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, rgba(201, 169, 110, 0.1) 0%, rgba(201, 169, 110, 0.05) 100%);
  margin-bottom: 20px;
}

.reason-card__title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}

.reason-card__text {
  font-size: 0.9rem;
  color: var(--color-gray-700);
  line-height: 1.9;
}

/* =============================================
   RESULTS (買取実績)
   ============================================= */
.section--results {
  background: var(--color-white);
}

.results__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 40px;
}

.result-card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.result-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.result-card__image {
  aspect-ratio: 6/5;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-navy-dark), var(--color-navy));
  padding: 16px;
}

.result-card__image svg {
  width: 80%;
  height: auto;
  max-height: 80%;
}

.result-card__body {
  padding: 14px;
}

.result-card__brand {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-gold-dark);
  text-transform: uppercase;
}

.result-card__name {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-navy);
  margin: 4px 0;
  line-height: 1.5;
}

.result-card__condition {
  font-size: 0.7rem;
  color: var(--color-gray-500);
  margin-bottom: 6px;
}

.result-card__price {
  font-size: 0.8rem;
  color: var(--color-gray-700);
}

.result-card__price strong {
  font-size: 1.05rem;
  color: var(--color-danger);
  font-weight: 700;
}

/* Price Table */
.price-table-wrap {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  box-shadow: var(--shadow-sm);
}

.price-table__title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-navy);
  text-align: center;
  margin-bottom: 20px;
  line-height: 1.6;
}

.price-table {
  font-size: 0.85rem;
}

.price-table thead {
  background: var(--color-navy);
  color: var(--color-white);
}

.price-table th,
.price-table td {
  padding: 12px 10px;
  text-align: center;
  border-bottom: 1px solid var(--color-gray-200);
}

.price-table th {
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.price-table tbody tr:hover {
  background: rgba(201, 169, 110, 0.05);
}

.price-table__price {
  font-weight: 700;
  color: var(--color-danger);
}

.rank {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-white);
}

.rank--s {
  background: linear-gradient(135deg, #c9a96e, #e0cc9e);
}

.rank--a {
  background: var(--color-cta);
}

.rank--b {
  background: #3498db;
}

.rank--c {
  background: var(--color-gray-500);
}

.rank--d {
  background: var(--color-gray-700);
}

.price-table__note {
  font-size: 0.75rem;
  color: var(--color-gray-500);
  text-align: center;
  margin-top: 16px;
}

/* =============================================
   REVIEWS (お客様の声)
   ============================================= */
.section--reviews {
  background: var(--color-bg);
}

.reviews__grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.review-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition);
}

.review-card:hover {
  transform: translateY(-3px);
}

.review-card__header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.review-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.review-card__avatar span {
  color: var(--color-gold);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.review-card__name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 2px;
}

.review-card__stars {
  color: var(--color-gold);
  font-size: 0.9rem;
  letter-spacing: 2px;
}

.review-card__text {
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--color-gray-700);
  margin-bottom: 12px;
}

.review-card__item {
  font-size: 0.75rem;
  color: var(--color-gray-500);
  padding-top: 12px;
  border-top: 1px solid var(--color-gray-200);
}

/* =============================================
   FLOW (買取の流れ)
   ============================================= */
.section--flow {
  background: var(--color-white);
}

.flow__steps {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.flow__step {
  text-align: center;
  padding: 24px 20px;
  position: relative;
}

.flow__step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-navy);
  color: var(--color-gold);
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.flow__step-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, rgba(201, 169, 110, 0.1), rgba(201, 169, 110, 0.03));
  border: 1px solid rgba(201, 169, 110, 0.2);
  margin: 0 auto 16px;
}

.flow__step-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 8px;
  letter-spacing: 0.06em;
}

.flow__step-text {
  font-size: 0.85rem;
  color: var(--color-gray-700);
  line-height: 1.8;
}

.flow__step-arrow {
  display: flex;
  justify-content: center;
  padding: 4px 0;
  opacity: 0.5;
}

/* =============================================
   FAQ (よくある質問)
   ============================================= */
.section--faq {
  background: var(--color-bg);
}

.faq__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq__item {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.faq__item[open] {
  box-shadow: var(--shadow-md);
}

.faq__question {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.6;
  list-style: none;
  position: relative;
}

.faq__question::-webkit-details-marker {
  display: none;
}

.faq__q-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: var(--color-navy);
  color: var(--color-gold);
  font-family: var(--font-serif);
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}

.faq__toggle {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
}

.faq__toggle::before,
.faq__toggle::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 2px;
  background: var(--color-gold);
  border-radius: 1px;
  transition: transform var(--transition);
}

.faq__toggle::before {
  transform: translate(-50%, -50%);
}

.faq__toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq__item[open] .faq__toggle::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.faq__answer {
  display: flex;
  gap: 12px;
  padding: 0 20px 20px;
  font-size: 0.88rem;
  line-height: 1.9;
  color: var(--color-gray-700);
}

.faq__a-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: var(--color-gold);
  color: var(--color-white);
  font-family: var(--font-serif);
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

/* =============================================
   COMPANY (会社概要)
   ============================================= */
.section--company {
  background: var(--color-white);
}

.company-table {
  font-size: 0.88rem;
}

.company-table th,
.company-table td {
  padding: 16px 12px;
  border-bottom: 1px solid var(--color-gray-200);
  vertical-align: top;
  text-align: left;
}

.company-table th {
  font-weight: 700;
  color: var(--color-navy);
  width: 100px;
  font-size: 0.82rem;
  white-space: nowrap;
}

.company-table td {
  color: var(--color-gray-700);
  line-height: 1.7;
}

.company-table a {
  color: var(--color-cta);
  font-weight: 700;
}

/* =============================================
   CTA (クロージング)
   ============================================= */
.section--cta {
  background: linear-gradient(165deg, var(--color-navy-dark), var(--color-navy));
  padding: 72px 0;
}

.cta-block {
  text-align: center;
}

.cta-block__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.7;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.cta-block__text {
  font-size: 0.9rem;
  color: var(--color-gray-300);
  line-height: 1.9;
  margin-bottom: 32px;
}

.cta-block__buttons {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 20px;
}

.cta-block__note {
  font-size: 0.75rem;
  color: var(--color-gray-500);
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--color-navy-dark);
  padding: 40px 0 120px;
  text-align: center;
}

.footer__logo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-gold);
  letter-spacing: 0.12em;
  margin-bottom: 20px;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 18px;
  margin-bottom: 24px;
}

.footer__nav a {
  font-size: 0.78rem;
  color: var(--color-gray-300);
  transition: color var(--transition);
}

.footer__nav a:hover {
  color: var(--color-gold);
}

.footer__copy {
  font-size: 0.7rem;
  color: var(--color-gray-500);
  letter-spacing: 0.04em;
}

/* =============================================
   FLOATING CTA
   ============================================= */
.floating-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 12px 16px;
  background: linear-gradient(0deg, rgba(15, 26, 46, 0.97) 0%, rgba(15, 26, 46, 0.85) 100%);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid rgba(201, 169, 110, 0.2);
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.floating-cta.is-visible {
  transform: translateY(0);
}

.btn--floating {
  width: 100%;
  padding: 15px 24px;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  animation: pulse-glow 2.5s infinite;
}

/* =============================================
   FADE IN ANIMATION
   ============================================= */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================
   RESPONSIVE (Tablet & Desktop)
   ============================================= */
@media (min-width: 600px) {
  .container {
    max-width: 600px;
    padding: 0 32px;
  }

  .hero__title {
    font-size: 2.2rem;
  }

  .section__title {
    font-size: 1.75rem;
  }

  .results__grid {
    gap: 20px;
  }
}

@media (min-width: 960px) {
  .container {
    max-width: 800px;
  }

  .hero__title {
    font-size: 2.6rem;
  }

  .section {
    padding: 80px 0;
  }

  .section__title {
    font-size: 2rem;
  }

  .reasons__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .results__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .reviews__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .flow__steps {
    flex-direction: row;
    justify-content: center;
    align-items: flex-start;
  }

  .flow__step-arrow {
    padding-top: 80px;
  }

  .flow__step-arrow svg {
    transform: rotate(-90deg);
  }

  .floating-cta {
    max-width: 400px;
    left: auto;
    right: 24px;
    bottom: 24px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(201, 169, 110, 0.2);
  }

  .cta-block__buttons {
    flex-direction: row;
    justify-content: center;
  }

  .cta-block__buttons .btn--lg {
    width: auto;
    flex: 0 0 auto;
  }
}