/* ============================================
   naomical 共通スタイル
   ============================================ */

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: #1A1A1A;
  background: #FFFFFF;
  opacity: 0;
  animation: pageFadeIn 0.6s ease forwards;
}

@keyframes pageFadeIn {
  to { opacity: 1; }
}

/* ---------- 見出しフォント ---------- */
.font-display {
  font-family: 'Bebas Neue', 'Montserrat', sans-serif;
  letter-spacing: 0.04em;
}

.font-mont {
  font-family: 'Montserrat', sans-serif;
}

/* ---------- スティッキーヘッダー ---------- */
#site-header {
  transition: background-color 0.4s ease, box-shadow 0.4s ease;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
}

#site-header .nav-link,
#site-header .logo-text {
  transition: color 0.4s ease;
}

#site-header.scrolled {
  background-color: #FF2D78;
  box-shadow: 0 4px 20px rgba(255, 45, 120, 0.35);
}

#site-header.scrolled .nav-link,
#site-header.scrolled .logo-text,
#site-header.scrolled .menu-bar {
  color: #FFFFFF;
}

#site-header.scrolled .menu-bar span {
  background-color: #FFFFFF;
}

#site-header .menu-bar span {
  background-color: #1A1A1A;
  transition: background-color 0.4s ease, transform 0.3s ease, opacity 0.3s ease;
}

/* ハンバーガー → ✕ の変形 */
#menu-btn.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
#menu-btn.open span:nth-child(2) {
  opacity: 0;
}
#menu-btn.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- スクロールで現れるフェードイン ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- カードホバー ---------- */
.card-hover {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover:hover {
  transform: scale(1.03);
  box-shadow: 0 12px 32px rgba(255, 45, 120, 0.18);
}

/* ---------- グラデーション ---------- */
.gradient-band {
  background: linear-gradient(90deg, #FF2D78 0%, #A855F7 100%);
}

.gradient-text {
  background: linear-gradient(90deg, #FF2D78 0%, #A855F7 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- スパーク（星のきらめき） ---------- */
.sparkle {
  animation: twinkle 2.6s ease-in-out infinite;
  transform-origin: center;
}

.sparkle-slow {
  animation: twinkle 4s ease-in-out infinite;
  animation-delay: 1.2s;
  transform-origin: center;
}

@keyframes twinkle {
  0%, 100% { opacity: 0.25; transform: scale(0.8) rotate(0deg); }
  50%      { opacity: 1;    transform: scale(1.15) rotate(18deg); }
}

/* ふわふわ浮く装飾 */
.float-deco {
  animation: floaty 5s ease-in-out infinite;
}

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}

/* ---------- ヒーロー ---------- */
.hero-overlay {
  background: linear-gradient(
    to bottom,
    rgba(255, 45, 120, 0.05) 0%,
    rgba(214, 31, 105, 0.22) 60%,
    rgba(199, 21, 98, 0.5) 100%
  );
}

/* 筆記体アクセント */
.font-script {
  font-family: 'Great Vibes', cursive;
  text-shadow: 0 2px 18px rgba(214, 31, 105, 0.55), 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* キャッチコピー本体 */
.hero-title {
  text-shadow: 0 4px 26px rgba(214, 31, 105, 0.6), 0 1px 4px rgba(0, 0, 0, 0.22);
}

/* 文字ブロックの後ろにほんのりピンクの光を敷いて読みやすく */
.hero-copy {
  position: relative;
}

.hero-copy::before {
  content: "";
  position: absolute;
  inset: -3.5rem;
  background: radial-gradient(ellipse at center, rgba(214, 31, 105, 0.38) 0%, rgba(214, 31, 105, 0) 70%);
  filter: blur(8px);
  z-index: -1;
  pointer-events: none;
}

/* ---------- ボタン ---------- */
.btn-main {
  background-color: #FF2D78;
  color: #FFFFFF;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

.btn-main:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 45, 120, 0.45);
}

.btn-outline {
  border: 2px solid #FFFFFF;
  color: #FFFFFF;
  transition: transform 0.25s ease, background-color 0.25s ease, color 0.25s ease;
}

.btn-outline:hover {
  background-color: #FFFFFF;
  color: #FF2D78;
  transform: translateY(-2px);
}

/* ---------- フォーム ---------- */
.form-input {
  border: 2px solid #FFE0EC;
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
  width: 100%;
  background: #FFFFFF;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.form-input:focus {
  outline: none;
  border-color: #FF2D78;
  box-shadow: 0 0 0 4px rgba(255, 45, 120, 0.15);
}

/* ---------- タイムライン ---------- */
.timeline-item {
  position: relative;
  padding-left: 2rem;
  padding-bottom: 1.5rem;
  border-left: 3px solid #FFD0E2;
}

.timeline-item:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -0.6rem;
  top: 0.2rem;
  width: 1rem;
  height: 1rem;
  border-radius: 9999px;
  background: #FF2D78;
  box-shadow: 0 0 0 4px #FFF0F5;
}