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

/* ===== DESIGN TOKENS ===== */
:root {
  --pink:        #FF6B9D;
  --pink-2:      #FF8FB8;
  --pink-light:  #FFD6E8;
  --pink-pale:   #FFF5F9;
  --blue:        #4E8FD6;
  --blue-light:  #E4EEFF;
  --yellow:      #FFD44F;
  --text:        #2D1B33;
  --text-mid:    #6B5072;
  --text-light:  #A896B0;
  --bg:          #FFF8FB;
  --white:       #FFFFFF;
  --border:      #F0DCEA;
  --radius:      20px;
  --shadow:      0 4px 24px rgba(255,107,157,0.12);
  --shadow-lg:   0 10px 40px rgba(255,107,157,0.22);
}

/* ===== BASE ===== */
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'M PLUS Rounded 1c', 'Nunito', 'Hiragino Maru Gothic ProN', 'Yu Gothic UI', sans-serif;
  font-size: 15px;
  line-height: 1.7;
}
a { color: var(--pink); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== NAV ===== */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,248,251,0.94);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--pink-light);
  padding: 12px 0;
}
.nav-inner {
  max-width: 960px; margin: 0 auto; padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.nav-logo {
  display: flex; align-items: center; gap: 6px;
  text-decoration: none !important;
}
.nav-logo img { height: 32px; width: auto; }
.nav-right { display: flex; align-items: center; gap: 12px; }
.nav-links { display: flex; gap: 20px; list-style: none; }
.nav-links a { color: var(--text-mid); font-size: 13px; font-weight: 700; }
.nav-links a:hover { color: var(--pink); text-decoration: none; }

.lang-select {
  background: var(--pink-pale);
  border: 2px solid var(--pink-light);
  color: var(--pink);
  font-size: 12px; font-weight: 800;
  padding: 5px 10px; border-radius: 20px;
  cursor: pointer; transition: all 0.2s;
  font-family: inherit; white-space: nowrap;
  appearance: none; -webkit-appearance: none;
  padding-right: 24px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23FF6B9D'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 9px center;
}
.lang-select:hover { background-color: var(--pink-light); }
.lang-select:focus { outline: none; border-color: var(--pink); }

.btn-nav {
  background: linear-gradient(135deg, var(--pink), var(--pink-2));
  color: #fff;
  padding: 8px 20px; border-radius: 20px;
  font-size: 13px; font-weight: 800;
  box-shadow: 0 3px 12px rgba(255,107,157,0.3);
  transition: all 0.2s; white-space: nowrap;
}
.btn-nav:hover {
  transform: translateY(-1px);
  box-shadow: 0 5px 18px rgba(255,107,157,0.4);
  text-decoration: none;
}

/* ===== FOOTER ===== */
footer {
  background: #1E1028; color: rgba(255,255,255,0.55);
  text-align: center; padding: 44px 24px;
}
.footer-logo { font-size: 24px; font-weight: 900; margin-bottom: 14px; display: block; }
.footer-logo .asmr { color: var(--pink); }
.footer-logo .name { color: #82B4F0; }
.footer-links {
  display: flex; gap: 20px; justify-content: center;
  flex-wrap: wrap; margin-bottom: 20px; font-size: 13px;
}
.footer-links a { color: rgba(255,255,255,0.65); }
.footer-links a:hover { color: white; text-decoration: none; }
.footer-copy { font-size: 12px; }

/* ===== HAMBURGER BUTTON ===== */
.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 4px;
  flex-shrink: 0;
}
.hamburger-btn span {
  display: block;
  width: 22px; height: 2.5px;
  background: var(--pink);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger-btn.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger-btn.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger-btn.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ===== MOBILE MENU OVERLAY ===== */
.nav-mobile-menu {
  display: none;
  position: fixed; inset: 0;
  background: rgba(255,248,251,0.97);
  backdrop-filter: blur(16px);
  z-index: 98;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 48px;
}
.nav-mobile-menu.open { display: flex; }
.nav-mobile-menu ul { list-style: none; width: 100%; max-width: 280px; margin-bottom: 32px; }
.nav-mobile-menu li { border-bottom: 1px solid var(--border); }
.nav-mobile-menu li:first-child { border-top: 1px solid var(--border); }
.nav-mobile-menu li a {
  display: block; padding: 18px 4px;
  font-size: 18px; font-weight: 800; color: var(--text);
  text-decoration: none;
}
.nav-mobile-menu li a:hover { color: var(--pink); }
.btn-menu-cta {
  background: linear-gradient(135deg, var(--pink), var(--pink-2));
  color: #fff;
  padding: 14px 52px; border-radius: 50px;
  font-size: 16px; font-weight: 900;
  box-shadow: 0 4px 18px rgba(255,107,157,0.35);
  text-decoration: none;
}
.btn-menu-cta:hover { text-decoration: none; opacity: 0.9; }

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
  /* Base font */
  body { font-size: 13px; }

  /* Nav */
  .nav-links { display: none; }
  .nav-inner { padding: 0 14px; gap: 8px; }
  .btn-nav { display: none; }
  .lang-select { font-size: 11px; padding: 4px 20px 4px 8px; }
  .hamburger-btn { display: flex; }

  /* Footer */
  .footer-logo { font-size: 20px; }
  .footer-links { font-size: 12px; gap: 14px; }
  .footer-copy { font-size: 11px; }
}
@media (min-width: 641px) {
  .nav-mobile-menu { display: none !important; }
}