@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700;900&family=Poppins:wght@600;800;900&display=swap');

/* ==========================================================================
   1. デザインシステム (CSS変数) と基本リセット
   ========================================================================== */
:root {
  --color-bg: #ffe600; /* ファニムビ・イエロー */
  --color-black: #1a1a1a; /* 太枠・テキスト用ブラック */
  --color-white: #ffffff;
  --color-accent-pink: #ff007f;
  --color-accent-blue: #00f0ff;
  --color-accent-orange: #ff6600;
  
  --font-en: 'Poppins', sans-serif;
  --font-ja: 'Noto Sans JP', sans-serif;
  
  --border-thick: 4px solid #1a1a1a;
  --border-medium: 3px solid #1a1a1a;
  --shadow-flat: 6px 6px 0px #1a1a1a;
  --shadow-flat-hover: 2px 2px 0px #1a1a1a;
  --shadow-flat-pink: 6px 6px 0px var(--color-accent-pink);
  
  --transition-pop: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

body {
  font-family: var(--font-ja);
  background-color: var(--color-bg);
  color: var(--color-black);
  overflow-x: hidden;
  line-height: 1.6;
}

/* 選択カラー */
::selection {
  background-color: var(--color-black);
  color: var(--color-bg);
}

/* ==========================================================================
   2. レイアウト & 共通パーツ (ヘッダー, フッター)
   ========================================================================== */
.l-header {
  background-color: var(--color-white);
  border-bottom: var(--border-thick);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 15px 30px;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.header-logo {
  font-family: var(--font-en);
  font-weight: 900;
  font-size: 24px;
  text-decoration: none;
  color: var(--color-black);
  display: flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.header-logo span {
  background-color: var(--color-black);
  color: var(--color-bg);
  padding: 2px 8px;
  border-radius: 4px;
}

.g-nav ul {
  display: flex;
  list-style: none;
  gap: 20px;
}

.g-nav a {
  text-decoration: none;
  color: var(--color-black);
  font-weight: 700;
  font-size: 15px;
  padding: 8px 16px;
  border-radius: 20px;
  transition: var(--transition-pop);
}

.g-nav a:hover,
.g-nav li.current a {
  background-color: var(--color-black);
  color: var(--color-bg);
}

.l-main {
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 20px;
}

.l-footer {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 40px 20px;
  border-top: var(--border-thick);
  text-align: center;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.footer-logo {
  display: flex;
  justify-content: center;
  align-items: center;
}

.footer-logo img {
  height: 55px;
  width: auto;
  max-width: 100%;
}

.footer-info {
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 10px;
}

.copyright {
  font-size: 12px;
  opacity: 0.6;
  border-top: 1px solid rgba(255,255,255,0.2);
  padding-top: 20px;
  width: 100%;
}

/* ==========================================================================
   3. アニメーション & 特殊エフェクト (コミカル演出)
   ========================================================================== */

/* 震えるエフェクト */
@keyframes wiggle {
  0% { transform: rotate(0deg); }
  25% { transform: rotate(-3deg); }
  50% { transform: rotate(0deg); }
  75% { transform: rotate(3deg); }
  100% { transform: rotate(0deg); }
}

.effect-wiggle:hover {
  animation: wiggle 0.2s ease-in-out infinite;
}

/* はねるエフェクト */
@keyframes pop-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.effect-bounce:hover {
  animation: pop-bounce 0.4s ease-out;
}

/* 浮き出るエフェクト（スクロールイン） */
.reveal-item {
  opacity: 0;
  transform: translateY(30px) scale(0.9);
  transition: opacity 0.5s ease-out, transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.reveal-item.active {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* ==========================================================================
   4. カートゥーン風UIコンポーネント (ボタン, カード, 吹き出し)
   ========================================================================== */

/* 太枠ポップカード */
.pop-card {
  background-color: var(--color-white);
  border: var(--border-thick);
  border-radius: 16px;
  box-shadow: var(--shadow-flat);
  padding: 30px;
  transition: var(--transition-pop);
}

.pop-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 10px 10px 0px var(--color-black);
}

/* ポップボタン */
.btn-pop {
  display: inline-block;
  font-family: var(--font-ja);
  font-weight: 900;
  font-size: 18px;
  text-decoration: none;
  text-align: center;
  color: var(--color-black);
  background-color: var(--color-white);
  border: var(--border-thick);
  border-radius: 50px;
  padding: 12px 36px;
  box-shadow: var(--shadow-flat);
  cursor: pointer;
  transition: var(--transition-pop);
}

.btn-pop:hover {
  transform: translate(4px, 4px);
  box-shadow: var(--shadow-flat-hover);
}

.btn-pop.primary {
  background-color: var(--color-accent-pink);
  color: var(--color-white);
}

.btn-pop.secondary {
  background-color: var(--color-accent-blue);
}

.btn-pop.orange {
  background-color: var(--color-accent-orange);
  color: var(--color-white);
}

/* コミカル吹き出し */
.bubble {
  position: relative;
  background-color: var(--color-white);
  border: var(--border-thick);
  border-radius: 12px;
  padding: 15px;
  box-shadow: 4px 4px 0px var(--color-black);
  font-weight: 700;
  margin-bottom: 20px;
}

.bubble::after {
  content: '';
  position: absolute;
  bottom: -16px;
  left: 30px;
  border-width: 16px 16px 0;
  border-style: solid;
  border-color: var(--color-white) transparent;
  display: block;
  width: 0;
}

.bubble::before {
  content: '';
  position: absolute;
  bottom: -22px;
  left: 28px;
  border-width: 18px 18px 0;
  border-style: solid;
  border-color: var(--color-black) transparent;
  display: block;
  width: 0;
  z-index: -1;
}

/* ==========================================================================
   5. ページ個別レイアウト (グリッド & ヒーロー)
   ========================================================================== */

/* ヒーローセクション */
.hero-section {
  text-align: center;
  padding: 60px 20px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.hero-title {
  font-family: var(--font-en);
  font-size: 48px;
  font-weight: 900;
  line-height: 1.2;
  text-transform: uppercase;
  background-color: var(--color-black);
  color: var(--color-bg);
  padding: 5px 20px;
  transform: rotate(-2deg);
  display: inline-block;
  margin-bottom: 15px;
  box-shadow: var(--shadow-flat);
}

.hero-subtitle {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 25px;
  background-color: var(--color-white);
  padding: 12px 36px;
  border: var(--border-medium);
  border-radius: 12px;
  box-shadow: 4px 4px 0px var(--color-black);
  display: inline-block;
  line-height: 1.6;
  max-width: 90%;
}

.about-lead {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.4;
}

.hero-image-wrap {
  position: relative;
  max-width: 500px;
  width: 100%;
  margin-top: 20px;
}

.hero-image {
  width: 100%;
  border: var(--border-thick);
  border-radius: 20px;
  box-shadow: var(--shadow-flat);
  background-color: var(--color-white);
}

/* グリッドレイアウト */
.grid-cols-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 40px;
}

/* 面白い動画ギャラリー用 */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.video-card {
  background-color: var(--color-white);
  border: var(--border-thick);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-flat);
  transition: var(--transition-pop);
  display: flex;
  flex-direction: column;
}

.video-card:hover {
  transform: translateY(-8px);
  box-shadow: 12px 12px 0px var(--color-black);
}

.video-thumb {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 ratio */
  background-color: #000;
  border-bottom: var(--border-thick);
}

.video-thumb img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background-color: var(--color-accent-pink);
  border: var(--border-medium);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 24px;
  cursor: pointer;
  transition: var(--transition-pop);
}

.video-card:hover .video-play-btn {
  transform: translate(-50%, -50%) scale(1.1) rotate(15deg);
  background-color: var(--color-bg);
  color: var(--color-black);
}

.video-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-grow: 1;
}

.video-tag {
  align-self: flex-start;
  font-size: 12px;
  font-weight: 900;
  background-color: var(--color-black);
  color: var(--color-bg);
  padding: 2px 8px;
  border-radius: 4px;
}

.video-title {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
}

.video-desc {
  font-size: 14px;
  opacity: 0.8;
}

/* ==========================================================================
   6. スマホ・タブレット用レスポンシブ設定
   ========================================================================== */
@media (max-width: 900px) {
  .grid-cols-3 {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .hero-title {
    font-size: 36px;
  }
}

@media (max-width: 600px) {
  .hero-section {
    padding: 40px 12px 30px;
  }

  .hero-title {
    font-size: clamp(22px, 6.6vw, 28px);
    padding: 6px 14px;
    white-space: nowrap;
  }

  .hero-subtitle {
    font-size: clamp(14px, 4.2vw, 16px);
    padding: 10px 22px;
    line-height: 1.6;
    margin-bottom: 15px;
    border-radius: 10px;
    box-shadow: 3px 3px 0px var(--color-black);
    max-width: 95%;
  }

  .about-lead {
    font-size: 16px;
    margin-bottom: 12px;
  }

  .header-inner {
    flex-direction: column;
    gap: 15px;
  }
  
  .g-nav ul {
    gap: 10px;
  }
  
  .g-nav a {
    font-size: 13px;
    padding: 6px 12px;
  }
  
  .l-main {
    margin: 20px auto;
  }

  .sp-only {
    display: inline;
  }
}

.sp-only {
  display: none;
}

/* ==========================================================================
   7. ハンバーガーメニュー & LP内ナビ
   ========================================================================== */
.hamburger-menu {
  position: fixed;
  top: 20px;
  right: 20px;
  width: 65px;
  height: 65px;
  background-color: var(--color-white);
  border: var(--border-thick);
  border-radius: 50%;
  box-shadow: 4px 4px 0px var(--color-black);
  z-index: 10000;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  transition: var(--transition-pop);
}

.hamburger-menu:hover {
  transform: scale(1.05);
}

.hamburger-line {
  display: block;
  width: 32px;
  height: 4px;
  background-color: var(--color-black);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* メニュー展開時のバツ印 */
.hamburger-menu.is-active .hamburger-line:nth-child(1) {
  transform: translateY(10px) rotate(45deg);
}
.hamburger-menu.is-active .hamburger-line:nth-child(2) {
  opacity: 0;
}
.hamburger-menu.is-active .hamburger-line:nth-child(3) {
  transform: translateY(-10px) rotate(-45deg);
}

/* ナビゲーションオーバーレイ */
.g-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 230, 0, 0.95); /* ファニムビイエロー */
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.g-nav-overlay.is-active {
  opacity: 1;
  pointer-events: auto;
}

.g-nav-inner ul {
  list-style: none;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.g-nav-inner a {
  font-family: var(--font-ja);
  font-size: 28px;
  font-weight: 900;
  text-decoration: none;
  color: var(--color-black);
  position: relative;
  transition: color 0.2s;
  display: inline-block;
}

.g-nav-inner a:hover {
  color: var(--color-accent-pink);
  transform: scale(1.1);
  transition: var(--transition-pop);
}