/* ページ全体の基本設定 */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Hiragino Sans", "Noto Sans CJK JP", "Yu Gothic", sans-serif;
  background-color: #f4f7f6;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  min-height: 100vh;
  margin: 0;
}

/* ヘッダー画像の設定 */
.site-header {
  width: 100%;
  margin-bottom: 30px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.header-image {
  max-width: 600px;
  width: 110%;
  text-align: center;
  object-fit: cover;
}

/* 提案ボタン（ネオモフィズム風スタイル）*/
#suggest-button {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 250px;
  height: 50px;
  box-sizing: border-box;
  background: #fff;
  position: relative;
  text-decoration: none;
  border-radius: 25px;
  margin-top: 20px;
}
#suggest-button #suggest-button-span {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 50px;
  background: #fff;
  box-sizing: border-box;
  color: #333;
  font-size: 1.2rem;
  letter-spacing: 0.1em;
  text-decoration: none;
  box-shadow: 0px 5px 12px #cad4e2, -6px -6px 12px #fff;
  border-radius: 25px;
  position: absolute;
  top: -5px;
  left: 0;
  transition: all 0.2s ease;
}

#suggest-button:hover #suggest-button-span {
  left: 0;
  top: 0;
  box-shadow: 0 0 4px #cad4e2, -2px -2px 4px #fff;
}

/* クリック回数上限に達した時のスタイル */
#suggest-button.is-disabled {
  pointer-events: none;
  cursor: default;
}
#suggest-button.is-disabled #suggest-button-span {
  left: 0;
  top: 0;
  box-shadow: 0 0 4px #cad4e2, -2px -2px 4px #fff;
  opacity: 0.6;
  color: #999;
}

/* リセットボタン */
.secondary-button {
  position: absolute;
  top: 10px;
  right: 10px;
  background-color: transparent;
  border: none;
  padding: 5px;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: background-color 0.2s;
}
.secondary-button:hover {
  background-color: rgba(0, 0, 0, 0.1);
}

.reset-icon {
  width: 20px;
  height: 20px;
  vertical-align: middle;
  filter: invert(30%);
}

/* 結果表示エリア全体 */
#result-area {
  position: relative;
  opacity: 1;
  visibility: visible;
  margin-top: 30px;
  margin-bottom: 30px;
  padding: 20px;
  background-color: #ffffff;
  border-radius: 15px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  width: 80%;
  max-width: 500px;
  text-align: center;
  overflow: hidden;
  padding-top: 40px;
  padding-bottom: 40px;
}

/* 結果コンテンツコンテナ */
.result-content {
  position: relative;
  z-index: 1;
}

/* 結果の各テキスト要素 (<p>) の共通スタイル */
#result-area p {
  font-size: 1rem;
  color: #555;
  margin: 2px 0;
  position: relative;
  z-index: 1;
}

/* 遊びの名前 (<p id="result-name">) */
#result-area #result-name {
  font-size: 1.8rem;
  letter-spacing: 0.1rem;
  font-weight: bold;
  color: #000;
  position: relative;
  display: inline-block;
  padding: 0 0.8em;
  margin: 20px 0;
  line-height: 1.4;
}

/* 鉤括弧の疑似要素スタイル */
#result-area #result-name::before {
  content: "「";
  position: absolute;
  top: -15px;
  left: -0.5em;
  font-size: 3rem;
  font-family: "Noto Sans CJK JP";
  font-weight: bold;
  color: #333;
  opacity: 1;
  z-index: 0;
  line-height: 1;
}

#result-area #result-name::after {
  content: "」";
  position: absolute;
  bottom: -15px;
  right: -0.5em;
  font-size: 3rem;
  font-family: "Noto Sans CJK JP";
  font-weight: bold;
  color: #333;
  opacity: 1;
  z-index: 0;
  line-height: 1;
}

/* ローディング中に鉤括弧を隠すスタイル */
#result-area.loading #result-name::before,
#result-area.loading #result-name::after {
  display: none;
}

/* 結果表示エリアのフッター画像スタイル */
.result-area-footer-image {
  position: absolute;
  bottom: 5px;
  right: 5px;
  width: 100px;
  height: auto;
  opacity: 0.3;
  pointer-events: none;
  z-index: 0;
}

/* フィルターエリア */
.filters-container {
  position: relative;
  padding-top: 40px;
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

fieldset {
  border: 1px solid #ccc;
  border-radius: 8px;
  padding: 10px 15px;
  min-width: 150px;
}
fieldset legend {
  font-weight: bold;
  padding: 0 5px;
  color: #333;
}
fieldset div {
  margin-bottom: 5px;
  text-align: left;
}
fieldset label {
  margin-left: 5px;
  cursor: pointer;
}

/* デュアルスライダースタイル */
.slider-fieldset {
  min-width: 250px;
}

.slider-values {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 25px;
  font-size: 0.9rem;
  color: #333;
}
.slider-values span {
  flex-basis: 48%;
}
#lower-value {
  text-align: right;
  margin-left: -10px;
}
#upper-value {
  text-align: left;
  margin-right: -10px;
}
.slider-values span:nth-child(2) {
  text-align: center;
  flex-basis: auto;
  flex-grow: 0;
  flex-shrink: 0;
  width: 20px;
}

.slider {
  position: relative;
  height: 20px;
  margin-top: 10px;

  --track-color: #ddd;
  --range-color: #007bff;
  --lower-val-percent: 0%;
  --upper-val-percent: 100%;
}

.slider input[type="range"] {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  margin: auto 0;
  -webkit-appearance: none;
  appearance: none;
  background: none;
  pointer-events: none;
}

#lower-slider {
  z-index: 1; /* 下側 */
}
#upper-slider {
  z-index: 2; /* 上側 */
}

/* 下限値 (#lower-slider) の Thumb スタイル (Chrome系) */
#lower-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  margin-top: -6px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--range-color);
  cursor: pointer;
  pointer-events: auto;
  position: relative;
}
/* 下限値 (#lower-slider) の Thumb スタイル (Firefox) */
#lower-slider::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--range-color);
  cursor: pointer;
  pointer-events: auto;
}
/* 上限値 (#upper-slider) の Thumb スタイル (Chrome系) */
#upper-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--range-color);
  cursor: pointer;
  pointer-events: auto;
  position: relative;
}
/* 上限値 (#upper-slider) の Thumb スタイル (Firefox) */
#upper-slider::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--range-color);
  cursor: pointer;
  pointer-events: auto;
}

/* トラック（背景）のスタイル (Chrome, Safari) */
#lower-slider::-webkit-slider-runnable-track {
  height: 4px;
  background: linear-gradient(
    to right,
    var(--track-color) 0%,
    var(--track-color) var(--lower-val-percent),
    var(--range-color) var(--lower-val-percent),
    var(--range-color) var(--upper-val-percent),
    var(--track-color) var(--upper-val-percent),
    var(--track-color) 100%
  );
  border-radius: 2px;
}
#upper-slider::-webkit-slider-runnable-track {
  background: none;
}

/* トラック（背景）のスタイル (Firefox) */
.slider input[type="range"]::-moz-range-track {
  height: 4px;
  background: var(--track-color);
  border-radius: 2px;
}
#lower-slider::-moz-range-progress {
  height: 4px;
  background: var(--range-color);
  border-radius: 2px;
}
#upper-slider::-moz-range-progress {
  background: none;
}

/* --- ローディングアニメーション --- */
.loader-container {
  display: none;
  margin: 75px 0px 25px 0;
  text-align: center;
}

.dot-overtaking {
  position: relative;
  width: 12px;
  height: 12px;
  border-radius: 6px;
  background-color: transparent;
  color: hsl(0deg, 0%, 50%);
  margin: -1px auto;
  box-shadow: 0 -20px 0 0;
  filter: blur(0px);
  animation: dot-overtaking 2s infinite cubic-bezier(0.2, 0.6, 0.8, 0.2);
}
.dot-overtaking::before,
.dot-overtaking::after {
  content: "";
  display: inline-block;
  position: absolute;
  top: 0;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 6px;
  background-color: transparent;
  color: inherit;
  box-shadow: 0 -20px 0 0;
  filter: blur(0px);
}
.dot-overtaking::before {
  animation: dot-overtaking 2s infinite cubic-bezier(0.2, 0.6, 0.8, 0.2);
  animation-delay: 0.3s;
}
.dot-overtaking::after {
  animation: dot-overtaking 2s infinite cubic-bezier(0.2, 0.6, 0.8, 0.2);
  animation-delay: 0.6s;
}

@keyframes dot-overtaking {
  0% {
    transform: rotateZ(0deg);
  }
  100% {
    transform: rotateZ(360deg);
  }
}
/* --- ローディングアニメーション終了 --- */

/* about.html などのサブページ用メインコンテンツコンテナ */
.content-container {
  background-color: #ffffff;
  border-radius: 15px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  width: 80%;
  max-width: 600px;
  padding: 30px;
  margin: 40px auto;
  text-align: center;
  line-height: 1.6;
  color: #333;
}
.content-container h1 {
  font-size: 2rem;
  color: #333;
  margin-bottom: 25px;
  border-bottom: 2px solid #eee;
  padding-bottom: 10px;
}
.content-container p {
  font-size: 1.05rem;
  margin-bottom: 15px;
}
.content-container .about-text {
  font-size: 1.2rem;
  font-weight: bold;
  letter-spacing: 0.05rem;
  color: #333;
  margin: 30px 0;
}

/* 戻るボタンのスタイル (suggest-button と同じスタイルを適用) */
#back-button {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 200px;
  height: 45px;
  box-sizing: border-box;
  background: #fff;
  position: relative;
  text-decoration: none;
  border-radius: 25px;
  margin-top: 20px;
  margin-bottom: 40px;
}
#back-button #back-button-span {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 45px;
  background: #fff;
  box-sizing: border-box;
  color: #333;
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  text-decoration: none;
  box-shadow: 0px 5px 12px #cad4e2, -6px -6px 12px #fff;
  border-radius: 25px;
  position: absolute;
  top: -5px;
  left: 0;
  transition-duration: 0.2s;
}
#back-button:hover #back-button-span {
  left: 0;
  top: 0;
  box-shadow: 0 0 4px #cad4e2, -2px -2px 4px #fff;
}

/* フッタースタイル */
.site-footer {
  width: 100%;
  padding: 30px 20px;
  margin-top: 40px;
  background-color: #e9ecef;
  border-top: 1px solid #ddd;
  text-align: center;
}
.site-footer ul {
  list-style: none;
  padding: 0 30px;
  margin: 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px 25px;
}
.site-footer li {
  margin: 0;
}
.site-footer a {
  font-size: 0.9rem;
  color: #555;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}
.site-footer a:hover {
  color: #007bff;
  text-decoration: underline;
}
.site-footer .copyright {
  margin-top: 20px;
  font-size: 0.8rem;
  color: #888;
}

/* ▼▼▼ クリック残り回数テキスト ▼▼▼ */
.click-counter {
  font-size: 0.8rem;
  color: #777;
  margin-top: 8px; /* suggest-button との間隔 */
  margin-bottom: 0;
  text-align: center; /* 中央揃え */
}
/* ▲▲▲ ここまで追加 ▲▲▲ */

/* --- スマートフォン対応 (メディアクエリ) --- */
@media (max-width: 768px) {
  body {
    min-height: 100vh;
    justify-content: space-between; /* フッター対応 */
    padding: 20px 0 0 0; /* padding-bottom を削除 */
  }
  .filters-container {
    flex-direction: column;
    width: 90%;
    gap: 15px;
    padding-top: 50px;
  }
  fieldset {
    min-width: auto;
    margin: 0;
  }
  .slider-fieldset {
    min-width: 90%;
  }
  #result-area {
    width: 90%;
    max-width: none;
    padding-top: 30px;
    padding-bottom: 30px;
  }
  #result-area #result-name {
    font-size: 1.5rem;
    padding: 0 0.4em;
  }
  #result-area #result-name::before {
    font-size: 2.5rem;
    left: -0.8em;
  }
  #result-area #result-name::after {
    font-size: 2.5rem;
    right: -0.8em;
  }

  .secondary-button {
    top: 5px;
    right: 5px;
  }

  #lower-slider::-webkit-slider-runnable-track {
    background: linear-gradient(
      to right,
      var(--track-color) 0%,
      var(--track-color) var(--lower-val-percent),
      var(--range-color) var(--lower-val-percent),
      var(--range-color) var(--upper-val-percent),
      var(--track-color) var(--upper-val-percent),
      var(--track-color) 100%
    );
  }
  #upper-slider::-webkit-slider-runnable-track {
    background: none;
  }

  /* about.html のコンテンツコンテナをスマホ用に調整 */
  .content-container {
    width: 90%;
    padding: 20px;
    margin: 30px auto;
  }
  .content-container h1 {
    font-size: 1.8rem;
  }
  .content-container .about-text {
    font-size: 1.1rem;
    margin: 20px 0;
  }
  #back-button {
    width: 180px;
    height: 40px;
    margin-bottom: 30px;
  }
  #back-button #back-button-span {
    height: 40px;
    font-size: 1rem;
  }

  /* スマホ用に残り回数テキストのマージン調整 */
  .click-counter {
    margin-bottom: 20px;
  }

  /* スマホ用にフッターの左右余白を調整 */
  .site-footer ul {
    padding: 0 10px;
  }
}