/* =============================================
   FIRSTSTEP CAR SHOP - Global Styles
   ============================================= */

:root {
  --primary:    #0A1628;   /* ディープネイビー */
  --secondary:  #1A3A6A;   /* ミッドネイビー */
  --accent:     #C8A84B;   /* ゴールド */
  --accent-lt:  #E8C96A;   /* ライトゴールド */
  --blue:       #1E6FD9;   /* アクセントブルー */
  --white:      #FFFFFF;
  --light:      #F5F7FA;
  --gray:       #8A9AB0;
  --text:       #1A2335;
  --text-lt:    #4A5568;
  --border:     #D8E0EB;
  --red:        #D94040;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  font-size: 15px;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* =============================================
   ヘッダー
   ============================================= */
#site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10,22,40,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(200,168,75,0.25);
  height: 70px;
  display: flex; align-items: center;
  transition: background .3s;
}
.header-inner {
  max-width: 1200px; width: 100%; margin: 0 auto;
  padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
}
.header-logo {
  display: flex; align-items: center; gap: 12px;
  flex-shrink: 0;
}
.header-logo img { height: 38px; width: auto; }
.logo-text { line-height: 1.2; }
.logo-name {
  font-size: 1.05rem; font-weight: 900; letter-spacing: .12em;
  color: var(--white);
}
.logo-name span { color: var(--accent); }
.logo-sub {
  font-size: .6rem; color: var(--gray); letter-spacing: .18em;
  text-transform: uppercase;
}

.header-nav { display: flex; align-items: center; gap: 4px; }
.nav-item {
  font-size: .78rem; font-weight: 600; letter-spacing: .06em;
  color: rgba(255,255,255,.8);
  padding: 8px 12px; border-radius: 4px;
  transition: color .2s, background .2s;
}
.nav-item:hover, .nav-item.active {
  color: var(--accent); background: rgba(200,168,75,.1);
}

.header-tel {
  display: flex; align-items: center; gap: 8px; flex-shrink: 0;
}
.tel-label { font-size: .65rem; color: var(--gray); letter-spacing: .1em; }
.tel-num {
  font-size: 1.1rem; font-weight: 900; color: var(--accent);
  letter-spacing: .04em;
}
.tel-num a { color: inherit; }

.btn-contact-sm {
  background: var(--accent); color: var(--primary);
  font-size: .75rem; font-weight: 700; letter-spacing: .06em;
  padding: 8px 16px; border-radius: 4px;
  transition: background .2s, transform .15s;
  white-space: nowrap;
}
.btn-contact-sm:hover { background: var(--accent-lt); transform: translateY(-1px); }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--white); border-radius: 2px; transition: .3s;
}

/* =============================================
   ヒーロー
   ============================================= */
.hero {
  position: relative; height: 100vh; min-height: 600px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: url('/images/hero_bg.jpg');
  background-size: cover; background-position: center;
  filter: brightness(.45);
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(10,22,40,.6) 0%, rgba(26,58,106,.3) 100%);
}
.hero-content {
  position: relative; z-index: 1;
  text-align: center; color: var(--white);
  padding: 0 24px; max-width: 900px;
}
.hero-badge {
  display: inline-block;
  background: rgba(200,168,75,.18); border: 1px solid var(--accent);
  color: var(--accent); font-size: .7rem; font-weight: 700; letter-spacing: .2em;
  padding: 6px 18px; border-radius: 20px; margin-bottom: 24px;
  text-transform: uppercase;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.8rem);
  font-weight: 900; line-height: 1.25;
  letter-spacing: .04em; margin-bottom: 16px;
}
.hero-title span { color: var(--accent); }
.hero-sub {
  font-size: clamp(.9rem, 2vw, 1.2rem);
  color: rgba(255,255,255,.85); margin-bottom: 40px;
  line-height: 1.8;
}
.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  background: var(--accent); color: var(--primary);
  font-size: .9rem; font-weight: 700; letter-spacing: .08em;
  padding: 16px 36px; border-radius: 4px;
  transition: background .2s, transform .15s, box-shadow .2s;
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-primary:hover {
  background: var(--accent-lt); transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200,168,75,.35);
}
.btn-outline {
  background: transparent; color: var(--white);
  border: 2px solid rgba(255,255,255,.6);
  font-size: .9rem; font-weight: 700; letter-spacing: .08em;
  padding: 14px 36px; border-radius: 4px;
  transition: border-color .2s, background .2s, transform .15s;
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-outline:hover {
  border-color: var(--white); background: rgba(255,255,255,.1);
  transform: translateY(-2px);
}
.hero-scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,.5); font-size: .65rem; letter-spacing: .15em;
}
.scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,.4), transparent);
  animation: scrollAnim 1.8s ease-in-out infinite;
}
@keyframes scrollAnim {
  0%,100% { transform: scaleY(1); opacity: .5; }
  50% { transform: scaleY(.6); opacity: 1; }
}

/* =============================================
   セクション共通
   ============================================= */
section { padding: 96px 24px; }
.section-inner { max-width: 1200px; margin: 0 auto; }

.section-head { text-align: center; margin-bottom: 64px; }
.section-en {
  display: block; font-size: .68rem; font-weight: 700;
  letter-spacing: .25em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 900; color: var(--primary);
  line-height: 1.3;
}
.section-title span { color: var(--accent); }
.section-desc {
  margin-top: 16px; font-size: .9rem; color: var(--text-lt);
  max-width: 560px; margin-left: auto; margin-right: auto;
}
.divider {
  width: 48px; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--blue));
  margin: 16px auto 0; border-radius: 2px;
}

/* =============================================
   サービスカード
   ============================================= */
.services-bg { background: var(--light); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.service-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(10,22,40,.08);
  transition: transform .25s, box-shadow .25s;
  display: flex; flex-direction: column;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(10,22,40,.14);
}
.card-img {
  width: 100%; height: 200px;
  overflow: hidden;
}
.card-img img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  display: block;
  transition: transform .4s ease;
}
.service-card:hover .card-img img {
  transform: scale(1.05);
}
.card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.card-num {
  font-size: .65rem; font-weight: 700; letter-spacing: .2em;
  color: var(--accent); margin-bottom: 8px;
}
.card-title {
  font-size: 1.1rem; font-weight: 800; color: var(--primary);
  margin-bottom: 8px; line-height: 1.3;
}
.card-text {
  font-size: .83rem; color: var(--text-lt); line-height: 1.7;
  flex: 1;
}
.card-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 16px; font-size: .8rem; font-weight: 700;
  color: var(--blue); transition: gap .2s;
}
.card-link:hover { gap: 10px; }
.card-link::after { content: '→'; }

/* =============================================
   特徴セクション
   ============================================= */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
}
.feature-item { text-align: center; }
.feature-icon {
  width: 72px; height: 72px; border-radius: 50%;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  border: 2px solid rgba(200,168,75,.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; margin: 0 auto 16px;
}
.feature-title {
  font-size: .95rem; font-weight: 800; color: var(--primary);
  margin-bottom: 8px;
}
.feature-text { font-size: .8rem; color: var(--text-lt); }

/* =============================================
   資格・認定バッジ
   ============================================= */
.certs-bg { background: var(--primary); }
.certs-bg .section-title { color: var(--white); }
.certs-grid {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 20px;
}
.cert-badge {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(200,168,75,.3);
  border-radius: 8px; padding: 20px 28px;
  text-align: center; min-width: 180px;
}
.cert-icon { font-size: 1.8rem; margin-bottom: 8px; }
.cert-name {
  font-size: .78rem; font-weight: 700; color: var(--accent);
  margin-bottom: 4px; letter-spacing: .04em;
}
.cert-detail { font-size: .68rem; color: var(--gray); }

/* =============================================
   CTAバナー
   ============================================= */
.cta-section {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
  padding: 80px 24px;
  text-align: center;
}
.cta-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 900; color: var(--white);
  margin-bottom: 12px;
}
.cta-text {
  font-size: .9rem; color: rgba(255,255,255,.75);
  margin-bottom: 36px;
}
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* =============================================
   フッター
   ============================================= */
#site-footer {
  background: var(--primary);
  border-top: 1px solid rgba(200,168,75,.2);
  padding: 64px 24px 32px;
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
}
.footer-top {
  display: grid; grid-template-columns: 1fr auto;
  gap: 48px; align-items: start;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand .logo-name { font-size: 1.2rem; }
.footer-tagline {
  font-size: .72rem; color: var(--gray);
  letter-spacing: .12em; margin-top: 6px;
  text-transform: uppercase;
}
.footer-info { margin-top: 20px; }
.footer-info p {
  font-size: .78rem; color: rgba(255,255,255,.6);
  line-height: 2; display: flex; align-items: flex-start; gap: 8px;
}
.footer-info p span { color: var(--gray); font-size: .65rem; min-width: 50px; }
.footer-nav-wrap { display: flex; flex-direction: column; gap: 16px; align-items: flex-end; }
.footer-nav { display: flex; gap: 20px; flex-wrap: wrap; justify-content: flex-end; }
.footer-nav a {
  font-size: .78rem; color: rgba(255,255,255,.6);
  transition: color .2s; white-space: nowrap;
}
.footer-nav a:hover { color: var(--accent); }
.footer-sns { display: flex; gap: 12px; }
.sns-btn {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,.08);
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem; color: rgba(255,255,255,.7);
  transition: background .2s, color .2s;
}
.sns-btn:hover { background: var(--accent); color: var(--primary); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; flex-wrap: wrap; gap: 8px;
}
.copyright {
  font-size: .7rem; color: rgba(255,255,255,.35); letter-spacing: .06em;
}
.footer-policy a {
  font-size: .7rem; color: rgba(255,255,255,.35);
  transition: color .2s;
}
.footer-policy a:hover { color: var(--accent); }

/* =============================================
   ページ内ヒーロー（サービスページ等）
   ============================================= */
.page-hero {
  padding-top: 70px; /* ヘッダー分 */
  background: var(--primary);
  display: flex; align-items: center;
  min-height: 300px; position: relative; overflow: hidden;
}
.page-hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  filter: brightness(.3);
}
.page-hero-content {
  position: relative; z-index: 1;
  max-width: 1200px; margin: 0 auto; padding: 64px 24px;
}
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: .7rem; color: var(--gray);
  margin-bottom: 16px;
}
.breadcrumb a { color: rgba(255,255,255,.5); transition: color .2s; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { color: var(--gray); }
.page-title {
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  font-weight: 900; color: var(--white); line-height: 1.2;
}
.page-title-en {
  font-size: .72rem; font-weight: 700; letter-spacing: .22em;
  color: var(--accent); text-transform: uppercase;
  margin-bottom: 10px; display: block;
}

/* =============================================
   テーブル
   ============================================= */
.price-table {
  width: 100%; border-collapse: collapse;
  margin-top: 24px;
}
.price-table th {
  background: var(--primary); color: var(--white);
  padding: 12px 20px; text-align: left;
  font-size: .82rem; font-weight: 700;
}
.price-table td {
  padding: 14px 20px; border-bottom: 1px solid var(--border);
  font-size: .85rem;
}
.price-table tr:hover td { background: var(--light); }
.price {
  font-weight: 800; color: var(--primary);
}
.price-note { font-size: .72rem; color: var(--text-lt); }

/* =============================================
   お問い合わせフォーム
   ============================================= */
.contact-form {
  max-width: 680px; margin: 0 auto;
  background: var(--white);
  border-radius: 12px; padding: 48px;
  box-shadow: 0 4px 32px rgba(10,22,40,.08);
}
.form-group { margin-bottom: 24px; }
.form-label {
  display: block; font-size: .82rem; font-weight: 700;
  color: var(--primary); margin-bottom: 8px;
}
.form-label .required {
  background: var(--red); color: var(--white);
  font-size: .6rem; padding: 2px 6px; border-radius: 3px;
  margin-left: 6px;
}
.form-input, .form-textarea, .form-select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px; padding: 12px 16px;
  font-size: .9rem; color: var(--text);
  transition: border-color .2s, box-shadow .2s;
  font-family: inherit;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(30,111,217,.12);
}
.form-textarea { resize: vertical; min-height: 140px; }
.btn-submit {
  width: 100%; background: var(--primary); color: var(--white);
  border: none; border-radius: 6px;
  padding: 16px; font-size: 1rem; font-weight: 700;
  cursor: pointer; transition: background .2s, transform .15s;
  font-family: inherit;
}
.btn-submit:hover {
  background: var(--secondary); transform: translateY(-2px);
}

/* =============================================
   ユーティリティ
   ============================================= */
.text-center { text-align: center; }
.mt-8  { margin-top: 8px;  }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-48 { margin-top: 48px; }
.kv-text { transition: opacity .3s; }
.kv-loading { opacity: .4; }

/* =============================================
   レスポンシブ
   ============================================= */
@media (max-width: 900px) {
  .header-nav, .header-tel .tel-num { display: none; }
  .hamburger { display: flex; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-nav-wrap { align-items: flex-start; }
  .footer-nav { justify-content: flex-start; }
}
@media (max-width: 600px) {
  section { padding: 72px 16px; }
  .contact-form { padding: 28px 20px; }
  .hero-btns { flex-direction: column; align-items: center; }
  .cta-btns  { flex-direction: column; align-items: center; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* =============================================
   スクロールアニメーション
   ============================================= */
.fade-in {
  opacity: 0; transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}
.fade-in.visible { opacity: 1; transform: none; }