body {
  margin: 0;
  font-family: 'Noto Sans JP', sans-serif;
  background: #f8f8f8;
  color: #333;
}

header {
  background: #fff;
  height: 70px;
  padding: 0 16px;
  border-bottom: 1px solid #ddd;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-sizing: border-box;
}

header h1 {
  margin: 0;
}

header h1 a {
  text-decoration: none;
  color: #333;
  font-size: 1.2rem;
  line-height: 1;
  display: inline-block;
}

.menu a {
  color: #333 !important;
}


main {
  max-width: 960px;
  margin: 40px auto;
  padding: 0 20px;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  list-style: none;
  padding: 0;
}

.tool-card {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 0.2s;
}

.tool-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.tool-card .thumbnail {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.tool-card p {
  padding: 12px;
  margin: 0;
  font-weight: bold;
  font-size: 1rem;
}

.tool-card a {
  color: #00acee;
  text-decoration: none;
  display: block;
}

.tool-card a:hover {
  text-decoration: underline;
}

footer {
  text-align: center;
  padding: 8px 0;
  font-size: 0.75rem;
  color: #999;
}

/* ナビゲーション（共通） */
.hamburger-nav {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-icon {
  font-size: 1.8rem;
  cursor: pointer;
  display: none;
}

#menu-toggle {
  display: none;
}

.menu {
  display: flex;
  gap: 16px;
  list-style: none;
  padding: 0;
  margin: 0;
}

/* モバイル：ハンバーガー表示・メニュー非表示 */
@media (max-width: 767px) {
  .menu-icon {
    display: block;
  }

  .menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border: 1px solid #ddd;
    padding: 10px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    z-index: 10;
  }

  #menu-toggle:checked + .menu-icon + .menu {
    display: flex;
  }
}

/* PC：常にメニュー表示、ハンバーガー非表示 */
@media (min-width: 768px) {
  .menu {
    display: flex !important;
    position: static;
    border: none;
    padding: 0;
    box-shadow: none;
  }

  .menu-icon {
    display: none;
  }
}

/* ハンバーガーメニュー内のリンクの文字色を #333 に */
@media (max-width: 767px) {
  .menu a {
    color: #333 !important;
  }
}



/* === WebP Converter tool styles === */
.webp-converter-title {
  text-align: center;
  margin-top: 40px;
  font-size: 1.5rem;
}

.webp-converter-drop-area {
  border: 2px dashed #00acee;
  border-radius: 10px;
  padding: 2rem;
  text-align: center;
  background: #f9f9f9;
  color: #777;
  margin: 40px 0;
  transition: 0.2s ease;
}
.webp-converter-drop-area.hover {
  border-color: #33cc99;
  background-color: #f0fff7;
  color: #33cc99;
}
.webp-converter-drop-area p {
  margin: 0 0 12px;
  font-size: 1.1rem;
  color: #555;
}
#upload {
  margin-top: 12px;
}
#canvas {
  display: none;
}
.webp-converter-download {
  margin-top: 32px;
}
.webp-converter-zip-button {
  margin-top: 16px;
  background-color: #03C9A9;
  color: #fff;
  padding: 10px 16px;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
}
.webp-converter-zip-button:hover {
  background-color: #02b196;
}
.webp-converter-panda-floating {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 80px;
  animation: float 3s ease-in-out infinite;
  pointer-events: none;
}
@keyframes float {
  0%   { transform: translateY(0); }
  50%  { transform: translateY(-10px); }
  100% { transform: translateY(0); }
}


/* === colorbox styles === */
.colorbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 20px;
  padding: 20px;
}

.colorbox-card {
  width: 100%;
  height: 100px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: bold;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
  transition: transform 0.2s;
}

.colorbox-card:hover {
  transform: scale(1.05);
}

.colorbox-description {
  text-align: center;
  margin-top: 10px;
  font-size: 0.9rem;
}




.colorbox-close {
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 28px;
  cursor: pointer;
}

#copied {
  display: none;
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background-color: #222;
  color: #fff;
  padding: 10px 20px;
  border-radius: 8px;
  z-index: 9999;
  font-size: 14px;
}

.colorbox-title {
  text-align: center;
  margin-top: 40px;
  font-size: 24px !important;
}


.colorbox-add-button {
  position: fixed;
  top: 100px; /* ← ヘッダーにかぶらないように調整 */
  right: 20px;
  padding: 10px 15px;
  background-color: #03C9A9;
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 18px;
  cursor: pointer;
  z-index: 1000;
}

.modal-inputs {
  display:  flex;
  flex-direction: column;
  gap: 15px;
  align-items: center;
  justify-content: center;
  margin-top: 20px;
}

.modal-inputs input,
.modal-inputs button {
  width: 100%;
  max-width: 300px;
  padding: 10px;
  font-size: 16px;
    box-sizing: border-box;  /* ← 追加するとpadding込みでも崩れにくい */
}
.colorbox-modal-content {
  width: 90%;
  max-width: 400px;
  margin: 0 auto;
  background-color: #fff; /* 念のため背景白にしておくと◎ */
  border-radius: 8px;     /* 角丸があれば少し柔らかく見える */
  box-sizing: border-box; /* padding込みで幅制御 */
  position: relative; /* ← これを忘れずに！ */
 padding: 30px 24px 24px 30px; /* 上だけ余白大きめ */
}

.colorbox-modal-content h2 {
  text-align: center;
  margin-top: 0;
}



.colorbox-close {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 20px;
  cursor: pointer;
}

.modal-inputs {
  padding-bottom: 12px; /* ← お好みで調整（20pxでもOK） */
}

.colorbox-modal {
  display: none; /* ← 最初は非表示 */
  position: fixed;
  inset: 0;
  z-index: 9999;
  background-color: rgba(0, 0, 0, 0.6);
  align-items: center;
  justify-content: center;
}


/* === roulette styles === */
.roulette-container {
  text-align: center;
  margin-top: 0 !important;
}


.roulette-title {
  font-size: 2rem;
  font-weight: bold;
  margin-top: 0 !important;
  margin-bottom: 30px;
}

.roulette-display {
  font-size: 1.4rem;
  font-weight: bold;
  color: #03C9A9;
  margin: 30px auto 40px auto;
  padding: 20px;
  border: 2px dashed #03C9A9;
  border-radius: 10px;
  background: #f0fff7;
  max-width: 360px;
}

.roulette-button {
  background-color: #00acee;
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px;
  font-size: 1.1rem;
  cursor: pointer;
  transition: background-color 0.2s ease;
  width: 160px;
  max-width: 100%;
  margin: 4px auto 60px; 
}

.roulette-button:hover {
  background-color: #008fb3;
}

.roulette-wrapper {
  position: relative;
  display: flex;
  flex-direction: column; /* ← column-reverse をやめる */
  align-items: center;
  gap: 4px;
  margin-top: 40px;
  margin-bottom: 30px;
}


.roulette-wrapper canvas {
  z-index: 1;
}




.roulette-inputs {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 320px;
  margin: 0 auto 24px;
}

.roulette-input {
  padding: 10px;
  font-size: 1rem;
  border: 1px solid #ccc;
  border-radius: 6px;
  margin: 0;
}

.roulette-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 8px !important;
}



.roulette-controls button {
  background-color: #ddd;
  border: none;
  border-radius: 6px;
  padding: 8px 16px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background-color 0.2s ease;
}

.roulette-controls button:hover {
  background-color: #ccc;
}

#add-option {
  background-color: #bbb;
  color: white;
  padding: 10px 16px;
  border: none;
  border-radius: 5px;
  font-size: 1rem;
  cursor: pointer;
  display: block;
  margin: 0 auto !important;
}

#add-option:hover {
  background-color: #ccc;
}



.roulette-wrapper {
  position: relative;
  width: 300px;
  margin: 0 auto;
}

.roulette-button {
  display: block;
  margin: 10px auto 60px;
}

.arrow {
  position: absolute;
  top: 60px; /* canvasに合わせて上下位置調整 */
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: auto;
  z-index: 10;
  display: block;
  margin: 40px auto 0; /* ← 上に余白を作る */
}

canvas {
  display: block;
  margin: 100px auto 0 auto; /* 上に十分スペースとる */
}

/* ▼ 選択肢入力欄のデザイン */
.roulette-input {
  width: 400px !important;
  height: 44px !important;
  padding: 10px;
  font-size: 1rem;
  border: 1px solid #bbb;
  border-radius: 5px;
  color: #555;
  box-sizing: border-box;
  margin-right: 6px; /* 「×」との距離を少し狭める */
}


#input-area input[type="text"] {
  background-color: #f0f0f0;
  border: 1px solid #ccc;
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 14px;
  margin-bottom: 4px;
  color: #333;
  width: 70%;
  box-sizing: border-box;
}

.remove-btn {
  background: transparent;
  border: none;
  color: #888;
  font-size: 18px;
  cursor: pointer;
  margin-left: 0px;
}


/* ▼ 削除ボタンを「×」にするためのスタイル */
.delete-button {
  background: none;
  border: none;
  font-size: 1.2rem;
  color: #999;
  cursor: pointer;
  margin-left: 8px;
}

/* ▼ タイトルサイズ統一（24px） */
.roulette-title {
  font-size: 24px !important;
}


#input-area > div {
  display: flex;
  justify-content: center; /* ← 入力欄を中央揃え */
  align-items: center;
  margin-bottom: 12px;
}