/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700&family=Inter:wght@300;400;600;700&display=swap');

/* ============================================================
   SIN 広州・義烏・深圳 買付けサポート — スタイルシート
   テーマ: 白 × ネイビー × ゴールド（信頼感・問い合わせしやすさ重視）
   ============================================================ */

/* --- Variables --- */
:root {
  --bg-primary:    #ffffff;
  --bg-secondary:  #f0f5fb;
  --bg-navy:       #1a3260;
  --bg-navy-dark:  #0f1e3a;
  --bg-navy-mid:   #243a6e;
  --accent:        #c9a84c;
  --accent-light:  #e8d27a;
  --line-green:    #06C755;
  --line-dark:     #00a244;
  --text-primary:  #1a3260;
  --text-secondary:#4a5a78;
  --text-light:    #7a8ca8;
  --text-white:    #ffffff;
  --border:        #d6e0ef;
  --border-light:  #eaf0f8;
  --shadow-sm:     0 1px 4px rgba(26,50,96,.08);
  --shadow-md:     0 4px 20px rgba(26,50,96,.13);
  --shadow-lg:     0 8px 36px rgba(26,50,96,.18);
  --font-ja:       'Noto Sans JP', sans-serif;
  --font-en:       'Inter', sans-serif;
  --container:     1100px;
  --radius:        8px;
  --radius-lg:     16px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-ja);
  background: var(--bg-primary);
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* --- Container --- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: #fff;
  border-bottom: 2px solid var(--accent);
  box-shadow: 0 2px 12px rgba(26,50,96,.1);
}
.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  height: 68px;
}
.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  flex-shrink: 0;
  text-decoration: none;
}
.logo-en {
  font-family: var(--font-en);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--bg-navy);
  letter-spacing: .06em;
}
.logo-sub {
  font-size: .65rem;
  color: var(--text-secondary);
  letter-spacing: .03em;
  font-weight: 400;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}
.nav-menu li a {
  display: block;
  padding: 6px 11px;
  font-size: .8rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: .02em;
  border-radius: 4px;
  transition: color .2s, background .2s;
}
.nav-menu li a:hover,
.nav-menu li a.active {
  color: var(--bg-navy);
  background: var(--bg-secondary);
}
.nav-menu li.nav-cta a {
  background: var(--bg-navy);
  color: #fff;
  padding: 7px 13px;
  border-radius: 4px;
}
.nav-menu li.nav-cta a:hover { background: var(--bg-navy-mid); }

/* LINE header button */
.btn-line-header {
  display: flex;
  align-items: center;
  gap: 5px;
  background: var(--line-green);
  color: #fff;
  font-size: .76rem;
  font-weight: 700;
  padding: 7px 13px;
  border-radius: 4px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background .2s, transform .1s;
  text-decoration: none;
}
.btn-line-header:hover { background: var(--line-dark); transform: translateY(-1px); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--bg-navy);
  border-radius: 2px;
  transition: all .25s;
}

/* ============================================================
   PAGE WRAP
   ============================================================ */
.page-wrap { overflow: hidden; }
section { padding: 80px 0; }

/* ============================================================
   HERO (HOMEPAGE)
   ============================================================ */
.hero {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(15,30,58,.78) 0%, rgba(26,50,96,.58) 60%, rgba(26,50,96,.35) 100%),
    url('./images/hero.jpg') center center / cover no-repeat;
  color: #fff;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--container);
  margin: 0 auto;
  padding: 80px 24px;
}
.hero-label {
  font-family: var(--font-en);
  font-size: .68rem;
  letter-spacing: .22em;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 18px;
  text-transform: uppercase;
}
.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.45;
  color: #fff;
  margin-bottom: 20px;
  max-width: 640px;
}
.hero h1 span { color: var(--accent); }
.hero-sub {
  font-size: .95rem;
  line-height: 1.9;
  color: rgba(255,255,255,.9);
  max-width: 520px;
  margin-bottom: 36px;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.hero-stats {
  display: flex;
  gap: 36px;
  margin-top: 52px;
  flex-wrap: wrap;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,.2);
}
.hero-stat .num {
  font-family: var(--font-en);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
}
.hero-stat .label {
  font-size: .72rem;
  color: rgba(255,255,255,.78);
  display: block;
  margin-top: 2px;
}

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  padding: 72px 24px 60px;
  background:
    linear-gradient(135deg, rgba(15,30,58,.82) 0%, rgba(26,50,96,.65) 100%),
    url('./images/market-wide1.jpg') center center / cover no-repeat;
  color: #fff;
  text-align: center;
}
.breadcrumb {
  font-size: .75rem;
  color: rgba(255,255,255,.65);
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--accent); }
.page-hero h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  line-height: 1.4;
}
.page-hero h1 span { color: var(--accent); }
.page-hero > p { color: rgba(255,255,255,.88); font-size: .95rem; line-height: 1.85; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .04em;
  cursor: pointer;
  transition: all .2s;
  text-decoration: none;
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-light); border-color: var(--accent-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn-navy {
  background: var(--bg-navy);
  color: #fff;
  border-color: var(--bg-navy);
}
.btn-navy:hover { background: var(--bg-navy-mid); transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn-outline-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.6);
}
.btn-outline-white:hover { background: rgba(255,255,255,.12); border-color: #fff; }

.btn-outline-navy {
  background: transparent;
  color: var(--bg-navy);
  border-color: var(--bg-navy);
}
.btn-outline-navy:hover { background: var(--bg-secondary); }

.btn-line {
  background: var(--line-green);
  color: #fff;
  border-color: var(--line-green);
}
.btn-line:hover { background: var(--line-dark); border-color: var(--line-dark); transform: translateY(-2px); box-shadow: 0 4px 16px rgba(6,199,85,.3); }

.btn-line-outline {
  background: transparent;
  color: var(--line-green);
  border-color: var(--line-green);
}
.btn-line-outline:hover { background: var(--line-green); color: #fff; }

/* ============================================================
   TRUST STRIP
   ============================================================ */
.trust-strip {
  background: var(--bg-navy);
  color: #fff;
  padding: 30px 24px;
}
.trust-strip-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.trust-item .num {
  font-family: var(--font-en);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
}
.trust-item .label {
  font-size: .74rem;
  color: rgba(255,255,255,.78);
  margin-top: 4px;
  display: block;
}

/* ============================================================
   SECTION LABELS & TITLES
   ============================================================ */
.section-label {
  font-family: var(--font-en);
  font-size: .67rem;
  letter-spacing: .2em;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 10px;
  display: block;
}
.section-title {
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.45;
  margin-bottom: 14px;
}
.section-lead {
  color: var(--text-secondary);
  font-size: .92rem;
  line-height: 1.85;
  max-width: 680px;
  margin-bottom: 40px;
}
.section-center { text-align: center; }
.section-center .section-lead { margin-left: auto; margin-right: auto; }

/* ============================================================
   CARDS
   ============================================================ */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.card-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.card-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: box-shadow .25s, transform .25s;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.card-navy { background: var(--bg-navy); border-color: var(--bg-navy-mid); color: #fff; }
.card-navy h3 { color: #fff; }
.card-navy p { color: rgba(255,255,255,.8); }
.card-accent-top { border-top: 3px solid var(--accent); }
.card-icon { font-size: 2rem; margin-bottom: 14px; display: block; }
.card h3 { font-size: .98rem; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; line-height: 1.4; }
.card p { font-size: .86rem; color: var(--text-secondary); line-height: 1.8; }

/* Service cards (homepage) */
.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow .25s, transform .25s;
  display: flex;
  flex-direction: column;
}
.service-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.service-card-img { height: 195px; overflow: hidden; background: var(--bg-secondary); }
.service-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.service-card:hover .service-card-img img { transform: scale(1.05); }
.service-card-body { padding: 22px 24px; flex: 1; display: flex; flex-direction: column; }
.service-card-label {
  font-family: var(--font-en);
  font-size: .63rem;
  letter-spacing: .14em;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 7px;
}
.service-card h3 { font-size: 1.02rem; font-weight: 700; color: var(--text-primary); margin-bottom: 9px; }
.service-card p { font-size: .85rem; color: var(--text-secondary); line-height: 1.8; flex: 1; }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: .82rem;
  font-weight: 700;
  color: var(--bg-navy);
  transition: gap .2s;
}
.card-link:hover { gap: 10px; }

/* ============================================================
   TWO-COLUMN LAYOUT
   ============================================================ */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.two-col-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.two-col-img img { width: 100%; height: 100%; object-fit: cover; }
.text-block h2 {
  font-size: clamp(1.2rem, 2.5vw, 1.55rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.45;
  margin-bottom: 16px;
}
.text-block p { font-size: .9rem; line-height: 1.9; color: var(--text-secondary); margin-bottom: 14px; }
.text-block p:last-child { margin-bottom: 0; }

/* ============================================================
   STEPS
   ============================================================ */
.steps { max-width: 720px; margin: 0 auto; }
.step { display: flex; gap: 20px; position: relative; }
.step:not(:last-child) { padding-bottom: 36px; }
.step:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 22px; top: 46px; bottom: 0;
  width: 2px;
  background: var(--border);
}
.step-num {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--bg-navy);
  color: #fff;
  font-family: var(--font-en);
  font-size: .75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  letter-spacing: .04em;
}
.step-body { padding-top: 8px; }
.step-body h3 { font-size: .95rem; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.step-body p { font-size: .86rem; color: var(--text-secondary); line-height: 1.8; }

/* ============================================================
   PRICE TABLE
   ============================================================ */
.price-table { width: 100%; border-collapse: collapse; margin-bottom: 20px; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.price-table caption { text-align: left; font-size: .8rem; font-weight: 700; color: var(--text-primary); letter-spacing: .04em; padding: 0 0 10px; }
.price-table th, .price-table td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--border-light); font-size: .88rem; }
.price-table th { background: var(--bg-navy); color: #fff; font-weight: 600; width: 36%; }
.price-table td { background: #fff; color: var(--text-secondary); }
.price-table tr:last-child th, .price-table tr:last-child td { border-bottom: none; }
.price-note { font-size: .78rem; color: var(--text-light); margin-top: 8px; }

/* ============================================================
   GALLERY (PHOTO GRID)
   ============================================================ */
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.gallery-item { aspect-ratio: 3/4; overflow: hidden; border-radius: var(--radius); background: var(--bg-secondary); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.gallery-item:hover img { transform: scale(1.06); }

/* ============================================================
   INFO BOX
   ============================================================ */
.info-box {
  background: var(--bg-secondary);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 18px 20px;
  font-size: .88rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-top: 28px;
}
.info-box strong { color: var(--text-primary); }

/* ============================================================
   CHECK LIST
   ============================================================ */
.check-list { margin: 0; padding: 0; }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .88rem;
  color: var(--text-secondary);
  padding: 7px 0;
  border-bottom: 1px solid var(--border-light);
  line-height: 1.6;
}
.check-list li:last-child { border-bottom: none; }
.check-list li::before { content: '✓'; color: var(--accent); font-weight: 700; font-size: .85rem; flex-shrink: 0; margin-top: 2px; }

/* ============================================================
   BADGE
   ============================================================ */
.badge { display: inline-block; background: var(--bg-secondary); color: var(--bg-navy); border: 1px solid var(--border); font-size: .72rem; font-weight: 600; padding: 4px 10px; border-radius: 20px; letter-spacing: .02em; }
.badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.badge-gold { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  background: var(--bg-navy);
  color: #fff;
  padding: 80px 24px;
  text-align: center;
}
.cta-section h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.45;
}
.cta-section p { color: rgba(255,255,255,.82); font-size: .95rem; line-height: 1.85; margin-bottom: 36px; }
.cta-buttons { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }

/* LINE CTA box */
.line-cta-box {
  background: #f0faf4;
  border: 2px solid var(--line-green);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
}
.line-cta-box h3 { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.line-cta-box p { font-size: .85rem; color: var(--text-secondary); margin-bottom: 18px; line-height: 1.7; }

/* ============================================================
   AREA CARDS
   ============================================================ */
.area-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.area-card { background: var(--bg-navy); color: #fff; border-radius: var(--radius-lg); padding: 28px 24px; text-align: center; }
.area-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--accent); margin-bottom: 10px; }
.area-card p { font-size: .85rem; color: rgba(255,255,255,.8); line-height: 1.8; }

/* ============================================================
   CONTACT FORM
   ============================================================ */
.contact-layout { display: grid; grid-template-columns: 1fr 360px; gap: 48px; align-items: start; }
.contact-form-wrap { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-sm); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: .82rem; font-weight: 600; color: var(--text-primary); margin-bottom: 7px; }
.form-group label .req { display: inline-block; background: var(--bg-navy); color: #fff; font-size: .6rem; padding: 1px 6px; border-radius: 3px; margin-left: 6px; vertical-align: middle; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 11px 14px;
  font-size: .9rem;
  font-family: var(--font-ja);
  color: var(--text-primary);
  background: #fff;
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--bg-navy); box-shadow: 0 0 0 3px rgba(26,50,96,.08); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-success {
  display: none;
  background: #f0faf4;
  border: 1px solid var(--line-green);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  color: var(--text-primary);
  font-size: .92rem;
  margin-top: 16px;
}
.form-error {
  display: none;
  background: #fff5f5;
  border: 1px solid #fc8181;
  border-radius: var(--radius);
  padding: 14px;
  color: #c53030;
  font-size: .85rem;
  margin-top: 12px;
}
.btn-loading { opacity: .7; cursor: not-allowed; pointer-events: none; }
.bot-field { display: none !important; }

/* ============================================================
   FAQ
   ============================================================ */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 0;
  font-size: .92rem;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-family: var(--font-ja);
}
.faq-q::after { content: '+'; font-size: 1.4rem; color: var(--accent); flex-shrink: 0; transition: transform .25s; font-weight: 300; }
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a { display: none; padding: 0 0 20px; font-size: .88rem; color: var(--text-secondary); line-height: 1.85; }
.faq-item.open .faq-a { display: block; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: var(--bg-navy-dark); color: rgba(255,255,255,.75); font-size: .84rem; }
.footer-inner { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.footer-top {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 48px;
  padding: 56px 0 40px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand .logo-en { color: var(--accent); }
.footer-brand .logo-sub { color: rgba(255,255,255,.55); }
.footer-brand > p { margin-top: 14px; color: rgba(255,255,255,.65); }
.footer-contact-info { margin-top: 16px; line-height: 1.9; }
.footer-contact-info span { color: var(--accent); }
.footer-nav h4 { font-family: var(--font-en); font-size: .65rem; letter-spacing: .18em; color: rgba(255,255,255,.4); margin-bottom: 16px; text-transform: uppercase; font-weight: 600; }
.footer-nav ul li { margin-bottom: 10px; }
.footer-nav ul li a { color: rgba(255,255,255,.65); transition: color .2s; font-size: .84rem; }
.footer-nav ul li a:hover { color: var(--accent); }
.footer-bottom {
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .75rem;
  color: rgba(255,255,255,.38);
}

/* ============================================================
   LINE FLOATING BUTTON (MOBILE)
   ============================================================ */
.line-float {
  display: none;
  position: fixed;
  bottom: 20px; right: 20px;
  z-index: 1000;
  background: var(--line-green);
  color: #fff;
  border-radius: 50px;
  padding: 13px 20px;
  font-size: .8rem;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(6,199,85,.45);
  transition: transform .2s, box-shadow .2s;
  text-decoration: none;
  align-items: center;
  gap: 6px;
}
.line-float:hover { transform: scale(1.05); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .trust-strip-inner { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr; gap: 32px; }
  .contact-layout { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .area-cards { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .card-grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  section { padding: 56px 0; }
  .hamburger { display: flex; }
  .nav-menu {
    display: none;
    position: fixed;
    top: 68px; left: 0; right: 0; bottom: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 24px;
    gap: 4px;
    z-index: 800;
    overflow-y: auto;
  }
  .nav-menu.open { display: flex; }
  .nav-menu li a { font-size: 1rem; padding: 14px 16px; border-radius: 8px; }
  .nav-menu li.nav-cta { margin-top: 12px; }
  .btn-line-header { display: none; }
  .line-float { display: flex; }
  .hero { min-height: 480px; }
  .hero h1 { font-size: 1.55rem; }
  .hero-stats { gap: 20px; }
  .trust-strip-inner { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .card-grid-4, .card-grid-3, .card-grid-2 { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 6px; text-align: center; }
  .hero-cta { flex-direction: column; align-items: flex-start; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .contact-form-wrap { padding: 22px; }
  .area-cards { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .header-inner { padding: 0 16px; gap: 10px; }
  .logo-en { font-size: 1.2rem; }
  .hero-inner { padding: 56px 16px; }
  .hero h1 { font-size: 1.35rem; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Utility */
.sp-br { display: none; }
@media (max-width: 700px) { .sp-br { display: block; } }