/* ===========================
   ROOT VARIABLES
=========================== */
:root {
  /* ── ダーク系（ヘッダー・ヒーロー等） */
  --color-black:       #0a0a0a;
  --color-dark:        #111111;
  --color-dark-alt:    #1a1a1a;
  --color-dark-border: #2a2a2a;

  /* ── アクセント */
  --color-red:         #cc0000;
  --color-red-hover:   #e60000;
  --color-red-dark:    #990000;

  /* ── ライト系（本文・カード等） */
  --color-white:       #ffffff;
  --color-off-white:   #f8f8f6;
  --color-light-bg:    #f2f2f0;
  --color-light-card:  #ffffff;
  --color-light-border:#e0ddd8;
  --color-light-gray:  #f5f4f2;

  /* ── テキスト */
  --color-text:        #1a1a1a;
  --color-text-sub:    #555555;
  --color-gray:        #888888;
  --color-gray-light:  #cccccc;
  --color-gray-dark:   #444444;

  /* ── セクション背景グラデ */
  --bg-white-grad: linear-gradient(160deg, #ffffff 0%, #f5f3f0 100%);
  --bg-light-grad: linear-gradient(160deg, #f7f5f2 0%, #edeae6 100%);

  --font-main:    'Noto Sans JP', sans-serif;
  --font-display: 'Bebas Neue', sans-serif;

  --shadow-card:  0 2px 24px rgba(0,0,0,0.08);
  --shadow-card-hover: 0 8px 40px rgba(0,0,0,0.14);
  --shadow-red:   0 4px 20px rgba(204,0,0,0.35);
  --transition:   0.3s ease;

  --header-height: 72px;
}

/* ===========================
   RESET & BASE
=========================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-main);
  background-color: var(--color-off-white);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ===========================
   BUTTONS
=========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 4px;
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-red);
  color: var(--color-white);
  border-color: var(--color-red);
}
.btn-primary:hover {
  background: var(--color-red-hover);
  border-color: var(--color-red-hover);
  box-shadow: var(--shadow-red);
  transform: translateY(-2px);
}

/* ヒーロー上の白抜きボタン */
.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.6);
}
.btn-outline-white:hover {
  border-color: var(--color-white);
  background: rgba(255,255,255,0.12);
  transform: translateY(-2px);
}

/* 明るいセクション用のアウトラインボタン */
.btn-outline {
  background: transparent;
  color: var(--color-red);
  border-color: var(--color-red);
}
.btn-outline:hover {
  background: var(--color-red);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-red);
}

.btn-lg  { padding: 16px 36px; font-size: 1rem; }
.btn-sm  { padding: 8px 18px;  font-size: 0.85rem; }
.btn-full { width: 100%; justify-content: center; }

/* ===========================
   HEADER
=========================== */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(10,10,10,0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background var(--transition), box-shadow var(--transition);
}

#site-header.scrolled {
  background: rgba(10,10,10,0.96);
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.header-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 20px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 16px;           /* ← gapを詰めてナビが収まりやすく */
  overflow: hidden;    /* ← はみ出し防止 */
}

/* ロゴ */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-icon {
  width: 42px; height: 42px;
  background: var(--color-red);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-white);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-main {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 2px;
  color: var(--color-white);
}

.logo-sub {
  font-size: 0.65rem;
  color: rgba(255,255,255,0.45);
  letter-spacing: 1px;
}

/* ナビ */
#main-nav { margin-left: auto; flex-shrink: 0; }

#main-nav ul {
  display: flex;
  gap: 0;
  flex-wrap: nowrap;   /* ← 折り返し禁止 */
  white-space: nowrap;
}

#main-nav ul li a {
  padding: 8px 10px;
  font-size: 0.82rem;  /* ← 少し小さくして収まりやすく */
  font-weight: 500;
  white-space: nowrap; /* ← 各リンクテキストを折り返さない */
  color: rgba(255,255,255,0.7);
  border-radius: 4px;
  transition: color var(--transition), background var(--transition);
}

#main-nav ul li a:hover {
  color: var(--color-white);
  background: rgba(255,255,255,0.08);
}

.header-cta { flex-shrink: 0; }

/* ハンバーガー */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition);
}

.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* モバイルナビ */
.mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 0; right: 0;
  background: rgba(10,10,10,0.97);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-dark-border);
  z-index: 999;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.mobile-nav.open { max-height: 400px; }

.mobile-nav ul {
  padding: 16px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav ul li a {
  display: block;
  padding: 12px 16px;
  font-size: 1rem;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  border-radius: 4px;
  transition: color var(--transition), background var(--transition);
}

.mobile-nav ul li a:hover {
  color: var(--color-white);
  background: rgba(255,255,255,0.07);
}

/* ===========================
   SECTIONS COMMON
=========================== */
section { padding: 100px 24px; max-width: 100%; }

.section-header { text-align: center; margin-bottom: 60px; }

.section-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 4px;
  color: var(--color-red);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 900;
  color: var(--color-text);
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-desc {
  font-size: 1rem;
  color: var(--color-text-sub);
  max-width: 520px;
  margin: 0 auto;
}

/* ダーク背景用の見出し上書き */
.section-header-light .section-title { color: var(--color-white); }
.section-header-light .section-desc  { color: rgba(255,255,255,0.55); }
.section-header-light .section-label { color: #ff5555; }

/* ===========================
   HERO  ─ ダーク（写真背景）
=========================== */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 0 24px;
  overflow: hidden;
  background: #080808;
}

/* 背景グラデーション */
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 65% 40%, rgba(160,0,0,0.22) 0%, transparent 55%),
    linear-gradient(140deg, #050505 0%, #180000 45%, #080808 100%);
  z-index: 0;
}

/* グリッドライン */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
}

/* 車の写真（共通） */
.hero-car-img {
  position: absolute;
  right: -2%;
  bottom: -30px;
  width: 58%;
  max-width: 820px;
  height: calc(100% + 30px);
  object-fit: cover;
  object-position: center center;
  z-index: 1;
  mask-image:
    linear-gradient(to right,  transparent 0%,  rgba(0,0,0,0.9) 20%, rgba(0,0,0,1) 60%, rgba(0,0,0,0.6) 88%, transparent 100%),
    linear-gradient(to bottom, rgba(0,0,0,0.1) 0%, rgba(0,0,0,1) 10%, rgba(0,0,0,1) 80%, transparent 100%);
  mask-composite: intersect;
  -webkit-mask-image:
    linear-gradient(to right,  transparent 0%,  rgba(0,0,0,0.9) 20%, rgba(0,0,0,1) 60%, rgba(0,0,0,0.6) 88%, transparent 100%),
    linear-gradient(to bottom, rgba(0,0,0,0.1) 0%, rgba(0,0,0,1) 10%, rgba(0,0,0,1) 80%, transparent 100%);
  -webkit-mask-composite: source-in;
}

/* PC用画像: デフォルト表示 */
.hero-car-pc { display: block; }
/* スマホ用画像: デフォルト非表示 */
.hero-car-sp { display: none; }

/* 左側のみ黒グラデ（テキスト可読性確保・車の画像には被せない） */
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    /* 左端から中央にかけて黒→透明（テキスト側のみ） */
    linear-gradient(to right, rgba(5,5,5,0.92) 0%, rgba(5,5,5,0.7) 30%, rgba(5,5,5,0.2) 50%, transparent 65%),
    /* 下部：暗→黒のフェード（次セクションとの境界） */
    linear-gradient(to bottom, transparent 50%, rgba(5,5,5,1) 100%);
  z-index: 3;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 4;
  max-width: 640px;    /* ← 左半分にテキストを限定し車に被らない */
  margin: 0;           /* ← 左寄せ */
  margin-left: 5%;     /* ← 左端から5%余白 */
  width: 50%;
  padding-top: var(--header-height);
}

.hero-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 6px;
  color: #ff4444;
  margin-bottom: 40px; /* ← 20px増加 */
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 44px; /* ← 20px増加 */
  color: var(--color-white);
  text-shadow: 0 2px 16px rgba(0,0,0,0.6);
}

.hero-title .accent { color: var(--color-red); }

.hero-desc {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: rgba(255,255,255,0.8);
  margin-bottom: 60px; /* ← 20px増加 */
  line-height: 1.9;
  text-shadow: 0 1px 6px rgba(0,0,0,0.5);
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

/* 統計バー */
.hero-stats {
  display: inline-flex;
  align-items: center;
  gap: 0;
  background: rgba(255,255,255,0.26);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 8px;
  padding: 18px 28px;
  backdrop-filter: blur(8px);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 24px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2.6rem;
  color: var(--color-white);
  line-height: 1;
}

.stat-plus { font-size: 1.3rem; color: var(--color-red); }

/* 「全国」テキストのみ10%縮小 */
.stat-num-sm {
  font-size: 2.34rem; /* 2.6rem × 0.9 */
}

.stat-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.7);
  letter-spacing: 1px;
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 44px;
  background: rgba(255,255,255,0.12);
}

/* スクロールヒント */
.hero-scroll-hint {
  position: absolute;
  bottom: 48px;
  right: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 4;
}

.hero-scroll-hint span {
  font-family: var(--font-display);
  font-size: 0.68rem;
  letter-spacing: 3px;
  color: rgba(255,255,255,0.3);
  writing-mode: vertical-rl;
}

.scroll-line {
  width: 1px;
  height: 56px;
  background: linear-gradient(rgba(255,255,255,0.3), transparent);
  animation: scrollLine 1.8s ease-in-out infinite;
}

@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===========================
   FEATURES ─ 白・明るい
=========================== */

#features {
  background: var(--bg-white-grad);
  position: relative;
}

/* ヒーロー（黒）→ features（ライトグレー）境界のグラデーション橋渡し */
/* セクション上端に absolute で横幅100%のグラデ帯を重ねる */
#features::before {
  content: '';
  position: absolute;
  top: -120px;
  left: 0;
  width: 100%;
  height: 120px;
  background: linear-gradient(
    to bottom,
    #080808 0%,
    #1a1a1a 25%,
    #6a6866 55%,
    #b8b5b0 78%,
    #f5f3f0 100%
  );
  z-index: 1;
  pointer-events: none;
}

#features .section-header { margin-bottom: 56px; }

/* features: 左テキスト＋右画像の横並びレイアウト */
.features-layout {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 56px;
  align-items: stretch; /* 左テキスト列と右画像列の高さを揃える */
}

.section-header-left {
  text-align: left;
  margin-bottom: 40px;
}

.section-header-left .section-desc {
  margin: 0;
}

.features-text-col {
  min-width: 0;
}

.features-img-col {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 48px rgba(0,0,0,0.18);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}

.features-side-img {
  width: 100%;
  height: 100%; /* 左カラム高さに追従 */
  min-height: 360px;
  object-fit: cover;
  object-position: center center;
  display: block;
  transition: transform 0.6s ease;
}

/* 左テキスト枠と同じ高さに揃える: flex:1で親高さに伸びる */
.features-side-img-match {
  flex: 1;
  height: 100%;
}

.features-img-col:hover .features-side-img {
  transform: scale(1.04);
}

/* 画像上の縦書きラベル（右端） */
.features-img-label-vertical {
  position: absolute;
  top: 0;
  right: 0;
  width: 40px;
  height: 100%;
  background: rgba(204,0,0,0.82);
  color: var(--color-white);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 4px;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  text-shadow: 0 1px 4px rgba(0,0,0,0.4);
}

/* 画像上の英語ラベル（左下） */
.features-img-label-en {
  position: absolute;
  bottom: 16px;
  left: 16px;
  font-size: 0.72rem;
  font-family: var(--font-display);
  letter-spacing: 2px;
  color: rgba(255,255,255,0.7);
  z-index: 3;
  text-shadow: 0 1px 6px rgba(0,0,0,0.6);
}

/* テキストカラム内の英語タグライン */
.features-four-tagline {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 3px;
  color: var(--color-red);
  margin-top: 10px;
  margin-bottom: 0;
  opacity: 0.75;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.feature-card {
  background: var(--color-light-card);
  border: 1px solid var(--color-light-border);
  border-radius: 10px;
  padding: 36px 28px;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
  border-color: var(--color-red);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.feature-icon {
  width: 56px; height: 56px;
  background: rgba(204,0,0,0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--color-red);
  margin-bottom: 20px;
  transition: background var(--transition);
}

.feature-card:hover .feature-icon { background: rgba(204,0,0,0.15); }

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text);
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--color-text-sub);
  line-height: 1.75;
}

/* ===========================
   ABOUT (カーネクスト紹介)
=========================== */
/* about セクション上部のビジュアル帯 */
.about-hero-img {
  position: relative;
  width: 100%;
  height: 320px;
  overflow: hidden;
}

.about-hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  display: block;
}

.about-hero-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(5,5,5,0.82) 0%,
    rgba(5,5,5,0.5) 40%,
    transparent 70%
  );
  display: flex;
  align-items: center;
  padding: 0 10%;
}

/* ヘッドライト帯: 左半分は暗くしてテキストを右に押しやる */
.about-hero-img-overlay-split {
  background: linear-gradient(
    to right,
    rgba(5,5,5,0.6) 0%,
    rgba(5,5,5,0.4) 48%,
    rgba(5,5,5,0.7) 52%,
    rgba(5,5,5,0.9) 100%
  );
  display: flex;
  align-items: center;
  padding: 0;
}

.about-hero-img-left-space {
  flex: 1 1 52%;  /* 左側（ヘッドライト部分）は空白 */
}

.about-hero-img-right-text {
  flex: 1 1 44%;  /* 右側にテキスト */
  padding: 0 6% 0 3%;
}

.about-hero-img-text {
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.6;
  text-shadow: 0 2px 12px rgba(0,0,0,0.6);
  margin-bottom: 10px;
}

.about-hero-img-sub {
  font-size: clamp(0.78rem, 1.4vw, 0.9rem);
  color: rgba(255,255,255,0.72);
  line-height: 1.7;
  text-shadow: 0 1px 6px rgba(0,0,0,0.6);
}

.about-hero-img-text strong {
  color: var(--color-red);
}

.about-section {
  background: var(--bg-light-grad);
  padding: 0 24px 100px; /* 上部は画像から始まる */
}

.about-inner {
  max-width: 1100px;
  margin: 0 auto;
}

/* よくある不安ブロック */
.concern-block {
  background: var(--color-white);
  border: 1px solid var(--color-light-border);
  border-radius: 12px;
  padding: 40px 44px;
  margin-bottom: 48px;
  box-shadow: var(--shadow-card);
}

.concern-intro {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 28px;
  line-height: 1.7;
  border-left: 4px solid var(--color-red);
  padding-left: 16px;
}

.concern-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.concern-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--color-light-gray);
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 0.95rem;
  color: var(--color-text);
  font-weight: 500;
}

.concern-item i {
  color: var(--color-red);
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* 解決メッセージブロック */
.solution-block {
  background: #2a2a2a;
  border-radius: 12px;
  padding: 48px 52px;
  margin-bottom: 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  width: 100%;          /* 01ブロックと同じ幅に揃える */
  box-sizing: border-box;
}

/* オークション会場背景画像 */
.solution-block-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.5;
  z-index: 0;
  pointer-events: none;
}

.solution-block-bg .solution-block::before,
.solution-block-bg::before {
  z-index: 1;
}

.solution-block-bg > *:not(.solution-block-bg-img) {
  position: relative;
  z-index: 2;
}

.solution-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(200,0,0,0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 50%, rgba(200,0,0,0.12) 0%, transparent 50%);
  pointer-events: none;
  z-index: 1;
}

.solution-logo {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 2.2rem;
  letter-spacing: 4px;
  color: var(--color-red);
  background: rgba(204,0,0,0.1);
  border: 1px solid rgba(204,0,0,0.3);
  border-radius: 6px;
  padding: 6px 24px;
  margin-bottom: 24px;
  position: relative;
  z-index: 2;
}

.solution-lead {
  font-size: clamp(1.2rem, 2.5vw, 1.55rem);
  font-weight: 900;
  color: var(--color-white);
  margin-bottom: 16px;
  line-height: 1.5;
  position: relative;
  z-index: 1;
}

.solution-lead strong { color: var(--color-red); }

.solution-body {
  font-size: 1rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 32px;
  line-height: 1.9;
  position: relative;
  z-index: 1;
}

.solution-body strong { color: var(--color-white); }

.solution-block .btn { position: relative; z-index: 1; }

.br-pc { display: inline; }

/* 3つのポイント */
.point-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.point-card {
  background: var(--color-white);
  border: 1px solid var(--color-light-border);
  border-radius: 10px;
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  text-align: center;
}

.point-card:hover {
  border-color: var(--color-red);
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
}

.point-icon {
  width: 62px; height: 62px;
  background: rgba(204,0,0,0.07);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-red);
  margin: 0 auto 18px;
  transition: background var(--transition);
}

.point-card:hover .point-icon { background: rgba(204,0,0,0.15); }

.point-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
}

.point-card p {
  font-size: 0.88rem;
  color: var(--color-text-sub);
  line-height: 1.75;
}

/* 電話リンク */
.contact-tel {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-red);
  letter-spacing: 0.5px;
  text-decoration: none;
  transition: opacity var(--transition);
}
.contact-tel:hover { opacity: 0.75; }

/* ===========================
   SERVICES ─ ダーク（アクセント帯）
=========================== */
.services-section {
  position: relative;
  background: #111111;
  padding: 100px 24px;
}

.services-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 25% 50%, rgba(160,0,0,0.14) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 20%, rgba(160,0,0,0.08) 0%, transparent 45%);
}

.services-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 72px 72px;
}

.services-inner {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px;
  overflow: hidden;
}

.service-item {
  position: relative;
  padding: 36px 28px;
  background: rgba(255,255,255,0.02);
  transition: background var(--transition);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.service-item:hover { background: rgba(204,0,0,0.1); }

.service-num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  color: rgba(255,255,255,0.04);
  position: absolute;
  top: 10px; right: 16px;
  line-height: 1;
}

.service-icon {
  font-size: 1.8rem;
  color: var(--color-red);
  margin-bottom: 16px;
  display: block;
}

.service-item h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 10px;
}

.service-item p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.75); /* ← 0.45→0.75 (約30%明るく) */
  line-height: 1.75;
}

/* ===========================
   SERVICE DETAIL BLOCKS (about内)
=========================== */
.service-detail-block {
  background: var(--color-white);
  border: 1px solid var(--color-light-border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 32px;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition);
}
.service-detail-block:hover {
  box-shadow: var(--shadow-card-hover);
}

.service-detail-header {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--color-dark);
  padding: 24px 32px;
}

.service-detail-num {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--color-red);
  line-height: 1;
  flex-shrink: 0;
}

.service-detail-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 4px;
  color: rgba(255,255,255,0.4);
  margin-bottom: 4px;
}

.service-detail-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-white);
}

.service-detail-body {
  padding: 32px;
}

.service-detail-lead {
  font-size: 1.02rem;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 24px;
}

/* メリット・デメリット */
.merit-demerit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.merit-box,
.demerit-box {
  border-radius: 8px;
  padding: 20px 22px;
}

.merit-box {
  background: rgba(46,158,79,0.07);
  border: 1px solid rgba(46,158,79,0.25);
}

.demerit-box {
  background: rgba(204,0,0,0.05);
  border: 1px solid rgba(204,0,0,0.2);
}

.merit-box h4,
.demerit-box h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.merit-box h4 { color: #2e7d4f; }
.demerit-box h4 { color: var(--color-red); }

.merit-box h4 i { color: #2e9e4f; }
.demerit-box h4 i { color: var(--color-red); }

.merit-box ul,
.demerit-box ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.merit-box ul li,
.demerit-box ul li {
  font-size: 0.88rem;
  color: var(--color-text);
  line-height: 1.6;
  padding-left: 0;     /* ← アイコン内包に変更のため padding解除 */
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

/* ::beforeは不要（Font Awesomeアイコンで対応） */
.merit-box ul li::before,
.demerit-box ul li::before { display: none; }

/* Font Awesomeアイコン（メリット） */
.merit-icon {
  color: #2e9e4f;
  font-size: 0.9rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Font Awesomeアイコン（デメリット） */
.demerit-icon {
  color: var(--color-red);
  font-size: 0.9rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.service-detail-note {
  font-size: 0.92rem;
  color: var(--color-text-sub);
  background: var(--color-light-gray);
  border-left: 3px solid var(--color-red);
  padding: 12px 16px;
  border-radius: 0 6px 6px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.service-detail-note i { color: var(--color-red); }

/* 注意事項ボックス */
.caution-box {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: rgba(255,255,255,0.65); /* 白・不透明65% */
  border: 1px solid rgba(204,0,0,0.2);
  border-radius: 8px;
  padding: 16px 20px;
  margin-top: 20px;
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.7;
}

.caution-box i {
  color: var(--color-red);
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* 加盟オークション会場 */
.auction-venues-block {
  background: var(--color-white);
  border: 1px solid var(--color-light-border);
  border-radius: 12px;
  padding: 32px 36px;
  box-shadow: var(--shadow-card);
  margin-top: 40px;
}

.auction-venues-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.auction-venues-title i { color: var(--color-red); }

.auction-venues-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.auction-venues-grid span {
  background: var(--color-dark);
  color: var(--color-white);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 7px 18px;
  border-radius: 4px;
  letter-spacing: 1px;
  border: 1px solid var(--color-dark-border);
  transition: background var(--transition), border-color var(--transition);
}

.auction-venues-grid span:hover {
  background: var(--color-red);
  border-color: var(--color-red);
}

/* ===========================
   落札代行ビジュアル帯（査定・買取の直下）
=========================== */
.rakusatsu-visual-band {
  position: relative;
  width: 100%;
  height: 300px;
  overflow: hidden;
}

.rakusatsu-visual-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 55%;
  display: block;
}

.rakusatsu-visual-band::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(5,5,5,0.75) 0%, rgba(5,5,5,0.4) 45%, transparent 75%),
    linear-gradient(to bottom, transparent 40%, rgba(5,5,5,0.5) 100%);
  z-index: 1;
}

.rakusatsu-visual-caption {
  position: absolute;
  top: 50%;
  left: 4%;            /* ← 左端により近く */
  max-width: 42%;      /* ← 右半分の車と被らない幅 */
  transform: translateY(-50%);
  z-index: 2;
  color: var(--color-white);
  text-align: left;
}

.rakusatsu-visual-text {
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  font-weight: 800;
  line-height: 1.4;
  text-shadow: 0 2px 12px rgba(0,0,0,0.7);
  margin-bottom: 8px;
}

.rakusatsu-visual-sub {
  font-size: clamp(0.85rem, 1.6vw, 1rem);
  color: rgba(255,255,255,0.82);
  text-shadow: 0 1px 8px rgba(0,0,0,0.6);
}

/* ===========================
   FEE SECTION ─ 料金表
=========================== */
/* fee ビジュアル帯（セクション上部） */
.fee-visual {
  position: relative;
  width: 100%;
  height: 260px;
  overflow: hidden;
  margin-bottom: 0;
}

.fee-visual-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 55%;
  display: block;
}

.fee-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, transparent 30%, rgba(5,5,5,0.6) 100%),
    linear-gradient(to right, rgba(5,5,5,0.5) 0%, transparent 50%);
}

.fee-visual-caption {
  position: absolute;
  top: 50%;
  right: 5%;           /* 右端 */
  left: auto;
  bottom: auto;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 2;
  color: var(--color-white);
  font-size: 1.2rem;   /* 20%拡大 (1rem → 1.2rem) */
  font-weight: 700;
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

.fee-visual-caption i {
  color: var(--color-red);
  font-size: 1.3rem;
}

.fee-section {
  background: var(--bg-light-grad);
  padding: 0 0 100px;
}

.fee-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 72px 24px 0;
}

.fee-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: start;
}

.fee-block {
  background: var(--color-white);
  border: 1px solid var(--color-light-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.fee-block-header {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 22px 28px;
}

.fee-block-header.sell {
  background: var(--color-dark);
}

.fee-block-header.buy {
  background: #1a0505;
  border-bottom: 2px solid var(--color-red);
}

.fee-block-header i {
  font-size: 1.6rem;
  color: var(--color-red);
  flex-shrink: 0;
}

.fee-block-label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 4px;
  color: rgba(255,255,255,0.4);
  margin-bottom: 3px;
}

.fee-block-header h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.3;
}

.fee-block-desc {
  font-size: 0.85rem;
  color: var(--color-text-sub);
  line-height: 1.75;
  padding: 20px 28px 0;
}

.fee-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 0;
  font-size: 0.9rem;
}

.fee-table th,
.fee-table td {
  padding: 11px 20px;
  text-align: left;
  border-bottom: 1px solid var(--color-light-border);
}

.fee-table th {
  background: var(--color-light-gray);
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--color-text-sub);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.fee-table td:last-child {
  font-weight: 600;
  color: var(--color-red);
  white-space: nowrap;
}

.fee-table tbody tr:hover td {
  background: rgba(204,0,0,0.03);
}

.fee-note-mark {
  font-size: 0.75rem;
  color: var(--color-gray);
  margin-left: 2px;
}

.fee-footnotes {
  list-style: none;
  padding: 14px 28px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.fee-footnotes li {
  font-size: 0.78rem;
  color: var(--color-gray);
}

/* ===========================
   CONTACT ─ 白
=========================== */
#contact { background: var(--bg-white-grad); }

#contact .section-header { margin-bottom: 56px; }

.contact-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 48px;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-light-border);
}

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

.contact-details li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-details li i {
  color: var(--color-red);
  font-size: 1.1rem;
  margin-top: 2px;
  flex-shrink: 0;
  width: 20px;
}

.contact-details li div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* 電話番号・休業日 横並び配置 */
.contact-details-row {
  display: flex;
  gap: 24px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--color-light-border);
  flex-wrap: wrap;
}

.contact-detail-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  flex: 1;
  min-width: 140px;
}

.contact-detail-item i {
  color: var(--color-red);
  font-size: 1.1rem;
  margin-top: 2px;
  flex-shrink: 0;
  width: 20px;
}

.contact-detail-item div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-details li strong,
.contact-detail-item strong {
  font-size: 0.78rem;
  color: var(--color-gray);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-details li span,
.contact-detail-item span,
.contact-detail-item a {
  font-size: 0.95rem;
  color: var(--color-text);
}

.contact-detail-item .contact-tel {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-red);
  text-decoration: none;
}

/* フォーム */
.contact-form {
  background: var(--color-white);
  border: 1px solid var(--color-light-border);
  border-radius: 10px;
  padding: 36px;
  box-shadow: var(--shadow-card);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text);
}

.required { color: var(--color-red); }

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--color-off-white);
  border: 1px solid var(--color-light-border);
  border-radius: 6px;
  padding: 12px 14px;
  font-family: var(--font-main);
  font-size: 0.95rem;
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: #aaaaaa; }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-red);
  box-shadow: 0 0 0 3px rgba(204,0,0,0.1);
  background: var(--color-white);
}

.form-group select option { background: var(--color-white); color: var(--color-text); }

.form-group textarea { resize: vertical; min-height: 120px; }

.form-message {
  margin-top: 14px;
  font-size: 0.9rem;
  text-align: center;
  min-height: 22px;
}

.form-message.success { color: #2e9e4f; }
.form-message.error   { color: var(--color-red); }

/* ===========================
   FOOTER
=========================== */
#site-footer {
  background: #0d0d0d;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 64px 24px 40px;
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
}

.footer-brand {
  flex: 1;
  min-width: 220px;
  max-width: 300px;
}

.footer-tagline {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.35);
  margin-top: 16px;
  margin-bottom: 24px;
  line-height: 1.7;
  white-space: pre-line; /* <br>を改行として有効にし、折り返しなし */
}

.footer-sns { display: flex; gap: 12px; }

.footer-sns a {
  width: 38px; height: 38px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.4);
  font-size: 0.95rem;
  transition: all var(--transition);
}

.footer-sns a:hover {
  background: var(--color-red);
  border-color: var(--color-red);
  color: var(--color-white);
}

.footer-nav {
  display: flex;
  gap: 48px;
  flex: 1;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.footer-nav-col h4 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: 16px;
}

.footer-nav-col ul { display: flex; flex-direction: column; gap: 10px; }

.footer-nav-col ul li a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.4);
  transition: color var(--transition);
}

.footer-nav-col ul li a:hover { color: var(--color-white); }

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding: 20px 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom p { font-size: 0.82rem; color: rgba(255,255,255,0.25); }

.footer-links { display: flex; gap: 20px; }

.footer-links a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.25);
  transition: color var(--transition);
}

.footer-links a:hover { color: rgba(255,255,255,0.7); }

/* ===========================
   BACK TO TOP
=========================== */
#back-to-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 46px; height: 46px;
  background: var(--color-red);
  color: var(--color-white);
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
}

#back-to-top.visible { opacity: 1; pointer-events: auto; }

#back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-red);
}

/* ===========================
   SCROLL ANIMATIONS
=========================== */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===========================
   RESPONSIVE
=========================== */
/* ===========================
   RESPONSIVE ─ 1024px以下（タブレット）
=========================== */
@media (max-width: 1024px) {
  .hero-car-img { width: 65%; right: -4%; }
  .hero-car-pc { display: block; }
  .hero-car-sp { display: none; }

  /* features: 縦積み */
  .features-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .features-img-col {
    order: -1;
    border-radius: 8px;
    height: auto;
  }
  .features-side-img {
    height: 300px;
    min-height: unset;
  }
  .features-side-img-match {
    flex: unset;
    height: 300px;
  }
  .section-header-left { text-align: center; }
  .section-header-left .section-desc { margin: 0 auto; }

  /* about */
  .about-hero-img { height: 220px; }
  .about-inner { padding-top: 20px !important; }

  /* contact */
  .contact-wrapper { grid-template-columns: 1fr; gap: 32px; }

  /* fee */
  .fee-grid { grid-template-columns: 1fr; }

  /* service-detail */
  .concern-block { padding: 32px 28px; }
  .solution-block { padding: 40px 32px; }
  .merit-demerit-grid { grid-template-columns: 1fr; }

  /* rakusatsu visual */
  .rakusatsu-visual-caption {
    left: 5%;
    max-width: 55%;
  }
}

/* ===========================
   RESPONSIVE ─ 768px以下（スマホ縦）
=========================== */
@media (max-width: 768px) {
  :root { --header-height: 64px; }

  /* ─ ヘッダー ─ */
  #main-nav, .header-cta { display: none; }
  .hamburger { display: flex; }
  .header-inner { gap: 12px; padding: 0 16px; }
  .logo-main { font-size: 1.2rem; }
  .logo-sub  { font-size: 0.6rem; }

  /* ─ ヒーロー ─ */
  /* PC用画像を非表示、スマホ用シルバー車画像を表示 */
  .hero-car-pc { display: none; }
  .hero-car-sp {
    display: block;
    width: 100%;
    right: 0;
    bottom: 0;
    height: 100%;
    opacity: 0.75;          /* シルバー車をしっかり見せる */
    object-position: center 35%;
    /* 上下のみフェード。左右は全幅で見せる */
    mask-image:
      linear-gradient(to bottom, transparent 0%, rgba(0,0,0,1) 12%, rgba(0,0,0,1) 72%, transparent 100%);
    -webkit-mask-image:
      linear-gradient(to bottom, transparent 0%, rgba(0,0,0,1) 12%, rgba(0,0,0,1) 72%, transparent 100%);
  }
  .hero-content {
    max-width: 100%;
    width: 100%;
    margin-left: 0;
    padding: calc(var(--header-height) + 24px) 20px 40px;
  }
  .hero-title {
    font-size: clamp(1.8rem, 8vw, 2.8rem);
    white-space: normal !important; /* スマホでは折り返し許可 */
    margin-bottom: 20px;
  }
  .hero-desc {
    font-size: 0.88rem !important;
    color: rgba(255,255,255,0.8);
    line-height: 1.8;
    margin-bottom: 28px;
  }
  .hero-label { font-size: 0.72rem; letter-spacing: 3px; margin-bottom: 16px; }
  .hero-actions { flex-direction: column; gap: 12px; margin-bottom: 32px; }
  .hero-actions .btn { text-align: center; justify-content: center; }
  .hero-stats {
    display: flex;
    padding: 12px 14px;
    gap: 0;
    flex-wrap: nowrap;
  }
  .stat { padding: 0 12px; }
  .stat-num { font-size: 1.6rem; }
  .stat-num-sm { font-size: 1.44rem; }
  .stat-label { font-size: 0.65rem; }
  .hero-scroll-hint { display: none; }
  .hero-overlay {
    /* スマホ: 上部を薄く、下部は濃くしてテキストを読みやすく */
    background:
      linear-gradient(to bottom, rgba(5,5,5,0.3) 0%, rgba(5,5,5,0.25) 35%, rgba(5,5,5,0.6) 65%, rgba(5,5,5,0.95) 100%);
  }

  /* ─ スマホ時ヒーロー: コンテンツを下寄せ・中央揃え ─ */
  .hero-content {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
    /* 画像下部に重なるようにコンテンツを下に配置 */
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding-bottom: 32px;
    min-height: calc(100vh - var(--header-height));
  }
  .hero-label { text-align: center; }
  .hero-title { text-align: center; }
  .hero-desc  { text-align: center; }
  .hero-actions { justify-content: center; align-items: center; }
  .hero-stats { margin: 0 auto; }

  /* ─ セクション共通: 枠外テキスト中央揃え ─ */
  section { padding: 56px 16px; }
  .section-header { text-align: center; }
  .section-title { font-size: clamp(1.4rem, 6vw, 2rem); text-align: center; }
  .section-desc {
    font-size: 0.9rem;
    white-space: normal !important;
    text-align: center;
    line-height: 2.0;
    margin: 0 auto;
    max-width: 100%;
    word-break: auto-phrase;
  }
  .section-label { font-size: 0.7rem; letter-spacing: 4px; text-align: center; }

  /* features の section-desc のみ中央に */
  .section-header-left { text-align: center !important; }
  .section-header-left .section-desc { text-align: center !important; margin: 0 auto; }

  /* ─ features ─ */
  #features { padding: 56px 16px; }
  .features-layout { gap: 24px; }
  .features-side-img,
  .features-side-img-match { height: 220px; }
  .features-grid { grid-template-columns: 1fr; gap: 12px; }
  .feature-card { padding: 20px 18px; }
  .feature-icon { width: 44px; height: 44px; font-size: 1.1rem; margin-bottom: 12px; }
  .feature-card h3 { font-size: 0.95rem; }
  .feature-card p  { font-size: 0.85rem; }
  .features-four-tagline { font-size: 0.65rem; white-space: normal; }
  .features-img-label-en { font-size: 0.6rem; }
  .features-img-label-vertical { font-size: 0.75rem; width: 28px; }

  /* ─ about (サービス内容) ─ */
  .about-section { padding: 0 0 60px; }
  .about-inner { padding: 24px 16px 0 !important; }
  /* サービス内容のsection-header を中央に */
  #about .section-header { text-align: center; }
  #about .section-desc { text-align: center; margin: 0 auto; }
  /* service-detail内のテキスト */
  .service-detail-lead { text-align: left; }
  .solution-lead { text-align: left; }
  .solution-body { text-align: left; }
  .service-detail-note { text-align: left; }
  .about-hero-img { height: 180px; }
  /* ヘッドライト画像: スマホでは両カラム使用 */
  .about-hero-img-overlay-split { flex-direction: column; }
  .about-hero-img-left-space { display: none; }
  .about-hero-img-right-text {
    flex: 1 1 100%;
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .about-hero-img-text { font-size: 1rem; line-height: 1.5; }
  .about-hero-img-sub  { font-size: 0.75rem; }

  /* service detail */
  .service-detail-header { padding: 16px 20px; gap: 14px; }
  .service-detail-num  { font-size: 2.2rem; }
  .service-detail-title { font-size: 1rem; }
  .service-detail-body { padding: 20px 16px; }
  .service-detail-lead { font-size: 0.9rem; }
  .merit-demerit-grid  { grid-template-columns: 1fr; gap: 12px; }
  .merit-box, .demerit-box { padding: 16px 16px; }
  .merit-box ul li,
  .demerit-box ul li { font-size: 0.83rem; }

  /* solution block */
  .solution-block { padding: 28px 20px; }
  .solution-logo  { font-size: 1.6rem; }
  .solution-lead  { font-size: 1rem; }
  .solution-body  { font-size: 0.88rem; }

  /* auction venues */
  .auction-venues-block { padding: 20px 16px; }
  .auction-venues-grid  { gap: 8px; }
  .auction-venues-grid span { font-size: 0.8rem; padding: 4px 10px; }

  /* ─ services (査定・買取) ─ */
  .services-section { padding: 56px 16px; }
  /* section-header は中央、service-item内は左 */
  .section-header-light { text-align: center; }
  .section-header-light .section-desc { text-align: center; margin: 0 auto; }
  .service-item h3 { text-align: left; }
  .service-item p  { text-align: left; }
  .services-grid { grid-template-columns: 1fr 1fr; gap: 1px; }
  .service-item { padding: 24px 16px; }
  .service-item h3 { font-size: 0.88rem; }
  .service-item p  { font-size: 0.8rem; }
  .service-icon { font-size: 1.4rem; margin-bottom: 10px; }

  /* ─ rakusatsu visual band ─ */
  .rakusatsu-visual-band { height: 200px; }
  .rakusatsu-visual-img  { object-position: center 40%; }
  .rakusatsu-visual-caption {
    left: 5%;
    max-width: 65%;
    top: 50%;
  }
  .rakusatsu-visual-text { font-size: 1rem; }
  .rakusatsu-visual-sub  { font-size: 0.78rem; }

  /* ─ fee ─ */
  .fee-section { padding: 0 0 60px; }
  .fee-inner   { padding: 40px 16px 0; }
  /* fee-header は中央 */
  #fee .section-header { text-align: center; }
  #fee .section-desc   { text-align: center; margin: 0 auto; }
  /* テーブル内は左揃えのまま */
  .fee-block-desc { text-align: left; }
  .fee-grid    { grid-template-columns: 1fr; gap: 20px; }
  .fee-block-header { padding: 16px 20px; gap: 12px; }
  .fee-block-header h3 { font-size: 0.88rem; }
  .fee-block-desc { padding: 14px 20px 0; font-size: 0.8rem; }
  .fee-table { font-size: 0.83rem; }
  .fee-table th,
  .fee-table td { padding: 9px 14px; }
  .fee-footnotes { padding: 12px 14px 16px; }
  .fee-footnotes li { font-size: 0.75rem; }

  /* ─ contact ─ */
  #contact { padding: 56px 16px; }
  #contact .section-header { margin-bottom: 32px; text-align: center; }
  #contact .section-desc { text-align: center; margin: 0 auto; }
  /* contact-info・フォームラベルは左揃えを維持 */
  .contact-info h3 { text-align: left; }
  .contact-details li { text-align: left; }
  .form-group label { text-align: left; }
  .contact-wrapper { grid-template-columns: 1fr; gap: 28px; }
  .contact-info h3 { font-size: 1rem; }
  .contact-details { gap: 16px; }
  .contact-details-row { flex-direction: column; gap: 16px; margin-top: 16px; padding-top: 16px; }
  .contact-detail-item { min-width: unset; }
  .contact-form { padding: 24px 16px; }
  .form-row { grid-template-columns: 1fr; }
  .form-group { margin-bottom: 14px; }

  /* ─ footer ─ */
  .footer-inner { flex-direction: column; gap: 32px; padding: 40px 16px 24px; }
  .footer-brand { max-width: 100%; text-align: center; }
  .footer-tagline { text-align: center; }
  .footer-nav { justify-content: flex-start; gap: 24px; }
  .footer-nav-col ul li a { font-size: 0.82rem; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 10px; padding: 16px; }
  .footer-tagline { white-space: normal; font-size: 0.82rem; }

  #back-to-top { bottom: 20px; right: 16px; width: 40px; height: 40px; }
}

/* ===========================
   RESPONSIVE ─ 480px以下（小型スマホ）
=========================== */
@media (max-width: 480px) {
  /* hero */
  .hero-title { font-size: clamp(1.5rem, 7vw, 2rem); }
  .hero-stats {
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 10px 8px;
    gap: 0;
    -webkit-overflow-scrolling: touch;
  }
  .stat { padding: 0 8px; min-width: 80px; }
  .stat-num { font-size: 1.3rem; }
  .stat-num-sm { font-size: 1.17rem; }
  .stat-label { font-size: 0.58rem; }
  .stat-divider { width: 1px; height: 32px; }

  /* features */
  .features-side-img,
  .features-side-img-match { height: 180px; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card { padding: 16px 14px; }
  .section-desc { white-space: normal !important; font-size: 0.85rem; }

  /* about hero */
  .about-hero-img { height: 160px; }
  .about-hero-img-text { font-size: 0.9rem; }

  /* services */
  .services-grid { grid-template-columns: 1fr; }
  .service-item  { padding: 20px 14px; }

  /* solution */
  .solution-block { padding: 24px 16px; }
  .br-pc { display: none; }

  /* fee */
  .fee-table th,
  .fee-table td { padding: 8px 10px; font-size: 0.78rem; }

  /* contact */
  .contact-form { padding: 20px 14px; }
  .concern-block { padding: 20px 16px; }
  .solution-block { padding: 24px 16px; }
  .auction-venues-block { padding: 18px 14px; }

  /* rakusatsu */
  .rakusatsu-visual-band { height: 170px; }
  .rakusatsu-visual-caption { max-width: 80%; left: 4%; }
  .rakusatsu-visual-text { font-size: 0.88rem; }
  .rakusatsu-visual-sub  { font-size: 0.7rem; }

  /* footer */
  .footer-nav { flex-direction: column; gap: 16px; }
  .footer-tagline { font-size: 0.78rem; }
}