/* ============================================================
   Mt Fuji Tours - base design system + global components
   ============================================================ */
:root{
  --coral:#e0654a;          /* primary accent / CTAs */
  --coral-dark:#c4513a;
  --ink:#1e2a4a;            /* deep navy headings */
  --ink-soft:#33406a;
  --sakura:#f4c2cc;         /* cherry pink */
  --sakura-soft:#fbe9ec;
  --sakura-deep:#e89aa6;
  --cream:#fff8f4;          /* warm background */
  --white:#ffffff;
  --navy-band-1:#1f3a5f;    /* destinations dark band */
  --navy-band-2:#2b5876;
  --line:#ece3dd;
  --muted:#6b7280;
  --text:#2b2f3a;

  --serif:'Playfair Display', Georgia, serif;
  --sans:'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --radius:16px;
  --radius-sm:10px;
  --shadow:0 22px 55px rgba(31,42,74,.13);
  --shadow-sm:0 8px 24px rgba(31,42,74,.09);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--cream);color:var(--text);
  font-family:var(--sans);font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);line-height:1.12;font-weight:700;margin:0 0 .5em}
a{color:var(--coral);text-decoration:none}
img{max-width:100%;height:auto;display:block}

.mtf-container{max-width:1200px;margin:0 auto;padding:0 24px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--sans);font-weight:600;
  font-size:15px;border-radius:999px;padding:13px 26px;cursor:pointer;border:0;transition:transform .2s ease,background .2s ease,box-shadow .2s ease}
.btn .ico{width:18px;height:18px}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 10px 24px rgba(224,101,74,.32)}
.btn-primary:hover{background:var(--coral-dark);transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--coral);color:var(--coral)}

/* ===== Cherry blossom canvas overlay ===== */
.sakura-layer{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:9998}
@media (prefers-reduced-motion: reduce){ .sakura-layer{display:none} }

/* ===== Skip link ===== */
.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:10001;border-radius:0 0 8px 0}
.skip-link:focus{left:0}

/* ===== Site header / nav ===== */
.site-header{position:sticky;top:0;z-index:10000;background:rgba(255,248,244,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);box-shadow:1px 1px 12px #000000}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:7px 24px;max-width:1280px;margin:0 auto}
.site-logo{display:flex;align-items:center;gap:10px}
.site-logo img{height:81px;width:auto;border-radius:8px}
.site-logo__text{display:none}
.footer-brand-name{display:block;font-family:var(--serif);font-weight:700;font-size:22px;color:#fff;margin-bottom:12px}
.site-logo__text small{display:block;font-family:var(--sans);font-size:11px;letter-spacing:.25em;text-transform:uppercase;color:var(--coral);font-weight:600}
.primary-nav{display:flex;align-items:center;gap:26px}
.primary-nav a{color:var(--ink);font-family:var(--sans);font-weight:500;font-size:15px}
.primary-nav a:hover{color:var(--coral)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:42px;height:42px;flex-direction:column;justify-content:center;gap:6px}
.nav-toggle span{display:block;height:2px;width:24px;background:var(--ink);border-radius:2px;transition:.25s}

@media (max-width:980px){
  .primary-nav{position:fixed;inset:64px 0 auto 0;background:var(--cream);flex-direction:column;align-items:flex-start;
    gap:6px;padding:18px 24px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .3s ease;box-shadow:var(--shadow-sm)}
  .primary-nav.open{transform:translateY(0)}
  .primary-nav a{padding:10px 0;width:100%;border-bottom:1px solid var(--line)}
  .nav-toggle{display:flex}
}

/* ===== Footer ===== */
.site-footer{position:relative;color:#fff;margin-top:0;background:var(--ink)}
.site-footer__bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.18}
.site-footer__inner{position:relative;z-index:1;max-width:1200px;margin:0 auto;padding:64px 24px 28px;
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.site-footer h4{color:#fff;font-family:var(--sans);font-size:13px;letter-spacing:.16em;text-transform:uppercase;margin-bottom:16px}
.site-footer a{color:rgba(255,255,255,.8)}
.site-footer a:hover{color:var(--sakura)}
.site-footer ul{list-style:none;padding:0;margin:0;line-height:2}
.site-footer__brand p{color:rgba(255,255,255,.75);font-size:14px;line-height:1.7}
.site-footer__bottom{position:relative;z-index:1;border-top:1px solid rgba(255,255,255,.15);
  max-width:1200px;margin:0 auto;padding:18px 24px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.65)}
@media (max-width:860px){ .site-footer__inner{grid-template-columns:1fr 1fr} }
@media (max-width:560px){ .site-footer__inner{grid-template-columns:1fr} }

/* ===== Inquiry / contact form (shared) ===== */
.mtf-form{display:flex;flex-direction:column;gap:14px}
.mtf-field{display:flex;flex-direction:column;gap:6px}
.mtf-field label{font-family:var(--sans);font-size:13px;font-weight:600;color:var(--ink)}
.mtf-field input,.mtf-field textarea,.mtf-field select{
  font-family:var(--sans);font-size:15px;color:var(--ink);background:#fff;
  border:1px solid var(--line);border-radius:10px;padding:12px 14px;width:100%}
.mtf-field input:focus,.mtf-field textarea:focus,.mtf-field select:focus{outline:none;border-color:var(--coral);box-shadow:0 0 0 3px rgba(224,101,74,.15)}
.mtf-field--hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.mtf-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:520px){ .mtf-row{grid-template-columns:1fr} }
.mtf-alert{border-radius:10px;padding:12px 16px;font-size:14px;font-family:var(--sans)}
.mtf-alert--ok{background:#eaf7ee;border:1px solid #bfe3c8;color:#1d6b34}
.mtf-alert--err{background:#fdecec;border:1px solid #f3c4c4;color:#a52828}