@charset "utf-8";

html {
    cursor: url("crayon.png") 4 4, auto;
}

section {
  font-family: "Zen Maru Gothic", sans-serif;
  font-weight: 400;
  font-style: normal;
}

body {
  margin: 0;
}

header {
  background: rgb(215, 238, 247);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
}

header img {
  vertical-align: bottom;
  font-size: 0;
}

body {
  margin: 0;
  padding: 0;
}

iframe {
  height: 1900px; /* とりあえずの高さ。送信完了まで見えるならOK */
  width: 100%;
  overflow: hidden;
  margin-bottom: 0;
}



.div {
  overflow: hidden;
}

footer {
  text-align: center;
  padding: 64px 0;
  background: lightgrey;
}

.to-top {
  position: fixed;
  bottom: 16px;
  right: 16px;
}

/* ホバー判定を全体に */
.nav-item.dropdown {
  position: relative;
}

/* 初期状態：隠れてる */
.dropdown-menu {
  display: block !important; /* Bootstrapのdisplay:none対策 */
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  pointer-events: none;
  transition:
    opacity .35s ease,
    transform .35s ease,
    visibility .35s ease;
}

/* 表示状態 */
.nav-item.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
  transition-delay: 0s; /* 表示はすぐに */
}

/* ホバー外した時の閉じアニメ */
.nav-item.dropdown:not(:hover) .dropdown-menu {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  pointer-events: none;
  transition-delay: .15s; /* ←この時間で閉じる遅さ調整 */
}

/* タップハイライト消す */
.dropdown-menu a {
  -webkit-tap-highlight-color: rgba(0,0,0,0);
}

/* 選択(ドラッグ選択)された時の背景色も消す */
.dropdown-menu a::selection {
  background: transparent;
}

/* フォーカス時の青枠もなくす */
.dropdown-menu a:focus {
  background-color: transparent;
  outline: none;
}

/* ホバーは今まで通り好きな色で */
.dropdown-menu a:hover {
  background-color: rgba(0,0,0,0.08);
}

.share-icons a {
  font-size: 28px; /* アイコンの大きさ */
  margin: 0 8px;
  color: #1a1a1a;
  text-decoration: none;
}

.share-icons a:hover {
  opacity: 0.7;
}

.share-icons {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin: 20px 0;
}

.share-icons a {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  color: #ffffff;
  font-size: 22px;
  display: flex;
  justify-content: center;
  align-items: center;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

/* 各プラットフォームのブランドカラー */
.share-icons a:nth-child(1) {
  background: #000000; /* X (旧Twitter) */
}

.share-icons a:nth-child(2) {
  background: #1877F2; /* Facebook */
}

.share-icons a:nth-child(3) {
  background: #06C755; /* LINE */
}

.share-icons a:hover {
  opacity: 0.4;
}

.share-icons a:nth-child(4) {
  background: #555; /* リンクコピー用の色 好きに変更可 */
}

/* スクロールバー全体の設定 */
::-webkit-scrollbar {
  width: 10px;
}

/* 背景 */
::-webkit-scrollbar-track {
  background: #111; /* 黒背景などにすると映える */
  border-radius: 5px;
}

/* つまみ部分を虹色に */
::-webkit-scrollbar-thumb {
  background: linear-gradient(
    180deg,
    red,
    orange,
    yellow,
    green,
    cyan,
    blue,
    purple
  );
  border-radius: 5px;
}

/* ホバーでちょい暗くする */
::-webkit-scrollbar-thumb:hover {
  filter: brightness(0.85);
}

#copyToast {
  position: absolute;
  background: rgba(51, 51, 51, 1);
  color: #fff;
  font-size: 14px;
  padding: 6px 10px;
  border-radius: 6px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  z-index: 99999;
  white-space: nowrap;
}

/* 吹き出し三角 */
#copyToast::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 6px;
  border-style: solid;
  border-color: rgba(51,51,51,1) transparent transparent transparent;
}

/* 表示 */
#copyToast.show {
  opacity: 1 !important;
}

.loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 10;
  background-color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeOut 1.5s 2.5s forwards;
}

@keyframes fadeOut {
  0% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    visibility: hidden;
  }
}

.loading__logo {
  opacity: 0;
  animation: logo_fade 2s 0.5s forwards;
  width: 175px;
}

@keyframes logo_fade {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }

  60% {
    opacity: 1;
    transform: translateY(0);
  }

  100% {
    opacity: 0;
  }
}

/* === ナビバー完全版 === */

/* ベース設定 */
.navbar {
  font-family: "Zen Maru Gothic", sans-serif;
  padding: 10px 20px;
}
/* --- 通常リンクの下線アニメーション --- */
.nav-link {
  position: relative;
  color: #000;
  text-decoration: none;
  transition: color 0.3s;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background-color: #007bff;
  transition: width 0.3s ease;
}

.nav-link:hover {
  color: #007bff;
}

.nav-link:hover::after {
  width: 100%;
}

/* --- dropdown（平和学習について）専用 --- */
.nav-item.dropdown .nav-link::after {
  content: none; /* 最初から線なし */
}

.nav-item.dropdown .nav-link:hover::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background-color: #007bff;
  transition: width 0.3s ease;
}

/* --- dropdownの中の項目には線出さない --- */
.dropdown-menu .dropdown-item::after {
  content: none !important;
  display: none !important;
}

/* --- dropdownリスト内のhover色調整 --- */
.dropdown-item:hover {
  background-color: #f0f0f0;
  color: #007bff;
}

/* hover時に文字も青に */
.navbar-nav .nav-link:hover,
.navbar-nav .dropdown-toggle:hover {
  color: #007bff !important;
}

@media (max-width: 991.98px) {
  .navbar .dropdown-menu {
    transition: all 0.2s ease;
    opacity: 0;
    height: 0;
    overflow: hidden;
  }

  .navbar .dropdown.show .dropdown-menu {
    opacity: 1;
    height: auto;
    display: none !important;
  }
}

.sesa {
  overflow: hidden;
}

.sesa p {
  font-size: 24px;          /* 大きめにして目立たせる */
  font-weight: bold;         /* 太字で強調 */
  color: #ff4500;            /* オレンジ系で目立つ */
  text-shadow: 0 0 5px #ff6347, 0 0 10px #ffa07a; /* 文字が光ってるように */
  animation: glowPulse 1.5s ease-in-out infinite alternate;
  text-align: center;
}

/* アニメーション */
@keyframes glowPulse {
  0% {
    text-shadow: 0 0 5px #ff6347, 0 0 10px #ffa07a;
    transform: scale(1);
  }
  50% {
    text-shadow: 0 0 15px #ff6347, 0 0 30px #ffa07a;
    transform: scale(1.05);
  }
  100% {
    text-shadow: 0 0 5px #ff6347, 0 0 10px #ffa07a;
    transform: scale(1);
  }
}