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

:root {
  --pink: #FF6B9D;
  --pink-l: #FF8FB8;
  --pink-p: #FFF0F5;
  --orange: #FF8C42;
  --orange-l: #FFAB6B;
  --orange-p: #FFF3E8;
  --yellow: #FFD23F;
  --yellow-l: #FFE066;
  --yellow-p: #FFFBE6;
  --mint: #4ECDC4;
  --mint-l: #7EDDD6;
  --mint-p: #E8FAF8;
  --blue: #45B7D1;
  --blue-l: #6FC8DD;
  --blue-p: #E6F6FA;
  --purple: #A78BFA;
  --purple-l: #C4B5FD;
  --purple-p: #F0EDFF;
  --td: #2D3436;
  --tm: #636E72;
  --tl: #B2BEC3;
  --wh: #FFFFFF;
  --bg: #FAFAFA;
  --r: 16px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'M PLUS Rounded 1c', 'Noto Sans JP', sans-serif;
  background: var(--bg);
  color: var(--td);
  line-height: 1.8;
  overflow-x: hidden;
}

/* ── HEADER ── */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(20px);
  border-bottom: 2px solid rgba(255, 107, 157, .15);
  padding: 8px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-w {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-icon {
  height: 34px;
  flex-shrink: 0;
}

.logo-icon img {
  height: 100%;
  width: auto;
  display: block;
}

.logo-t {
  font-weight: 800;
  font-size: 15px;
  color: var(--td);
  line-height: 1.2;
}

.logo-t span {
  display: block;
  font-size: 9px;
  font-weight: 500;
  color: var(--tm);
  letter-spacing: .12em;
  margin-top: 1px;
}

nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: nowrap;
}

nav a {
  font-size: 11px;
  font-weight: 700;
  color: var(--tm);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 50px;
  transition: all .25s;
  letter-spacing: .02em;
  white-space: nowrap;
}

nav a:hover {
  background: var(--pink-p);
  color: var(--pink);
}

.nav-highlight {
  background: linear-gradient(135deg, #F1F8E9, #FFFDE7) !important;
  color: #33691E !important;
  border: 2px solid #8BC34A !important;
  padding: 6px 14px !important;
  font-weight: 800 !important;
  box-shadow: 0 2px 8px rgba(139, 195, 74, .25);
  animation: nav-glow 2.5s ease-in-out infinite;
}

.nav-highlight:hover {
  background: linear-gradient(135deg, #DCEDC8, #FFF9C4) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(139, 195, 74, .4);
}

.nav-cta {
  background: linear-gradient(135deg, var(--pink), var(--orange)) !important;
  color: #fff !important;
  padding: 7px 18px !important;
  box-shadow: 0 2px 10px rgba(255, 107, 157, .3);
  font-size: 11px !important;
  font-weight: 800 !important;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(255, 107, 157, .4);
}

@keyframes nav-glow {

  0%,
  100% {
    box-shadow: 0 2px 8px rgba(139, 195, 74, .25);
  }

  50% {
    box-shadow: 0 2px 12px rgba(139, 195, 74, .5), 0 0 4px rgba(255, 235, 59, .2);
  }
}

/* ── HAMBURGER ── */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 200;
  position: relative;
  width: 40px;
  height: 40px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--td);
  border-radius: 2px;
  transition: all .3s;
  position: absolute;
  left: 8px;
}

.hamburger span:nth-child(1) {
  top: 11px;
}

.hamburger span:nth-child(2) {
  top: 19px;
}

.hamburger span:nth-child(3) {
  top: 27px;
}

.hamburger.open span:nth-child(1) {
  transform: rotate(45deg);
  top: 19px;
  background: var(--pink);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg);
  top: 19px;
  background: var(--pink);
}

.mm-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 140;
  background: rgba(0, 0, 0, .4);
  opacity: 0;
  transition: opacity .3s;
}

.mm-overlay.open {
  display: block;
  opacity: 1;
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: -300px;
  bottom: 0;
  width: 280px;
  z-index: 150;
  background: var(--wh);
  box-shadow: -4px 0 24px rgba(0, 0, 0, .1);
  transition: right .35s cubic-bezier(.4, 0, .2, 1);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 0;
}

.mobile-menu.open {
  right: 0;
}

.mm-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 2px solid var(--bg);
  flex-shrink: 0;
}

.mm-header span {
  font-size: 14px;
  font-weight: 800;
  color: var(--td);
}

.mm-close {
  background: none;
  border: none;
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background .25s;
  font-size: 20px;
  color: var(--tm);
}

.mm-close:hover {
  background: var(--pink-p);
  color: var(--pink);
}

.mm-body {
  flex: 1;
  padding: 12px 16px 32px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mobile-menu a {
  font-size: 15px;
  font-weight: 700;
  color: var(--td);
  text-decoration: none;
  padding: 14px 20px;
  border-radius: 14px;
  transition: all .25s;
  display: flex;
  align-items: center;
  gap: 10px;
}

.mobile-menu a:hover,
.mobile-menu a:active {
  background: var(--pink-p);
  color: var(--pink);
}

.mobile-menu .mm-cta {
  margin-top: 8px;
  background: linear-gradient(135deg, var(--pink), var(--orange));
  color: #fff;
  font-weight: 800;
  font-size: 15px;
  box-shadow: 0 6px 24px rgba(255, 107, 157, .3);
  padding: 16px 24px;
  justify-content: center;
  border-radius: 50px;
}

.mobile-menu .mm-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(255, 107, 157, .4);
}

.mobile-menu .mm-divider {
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 107, 157, .15), transparent);
  margin: 6px 16px;
}