/* セラピスト応援（いいね）ボタン
   ピンク系・ワクワク感のあるインタラクションを実装 */

:root {
  --support-pink:        #ff4d8d;
  --support-pink-light:  #ff85b3;
  --support-pink-soft:   #ffe0ec;
  --support-pink-bg:     #fff5f9;
  --support-voted-bg:    #ececec;
  --support-voted-text:  #9a9a9a;
  --support-voted-border:#d8d8d8;
}

.support_btn_box {
  margin: 0 0 2px;
  text-align: center;
}
@media screen and (min-width: 450px){
  .support_btn_box {
    margin: 0;
  }
}

/* 名前と応援ボタンを同じ行に並べる（カードの右端に固定）
   name は伸縮、応援ボタンは右端固定で縮まない */
.cast_box .cast_info .cast_info_head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 6px;
  flex-wrap: wrap;
}
@media screen and (min-width: 450px){
  .cast_box .cast_info .cast_info_head {
    flex-direction: row;
    align-items: center;
    gap: 8px;
  }
}
.cast_box .cast_info .cast_info_head .name {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
}
.cast_box .cast_info .cast_info_head .support_btn_box {
  flex: 0 0 auto;
  /* 右上 -5px に絶対配置されている .cast_new_icon (21〜26px) と重ならないよう、右側に余白を確保する */
  /* margin: 0 30px 0 0;*/
  text-align: right;
}

/* カード内に置く応援ボタンは限られた幅に収めるためコンパクト化 */
.cast_box .cast_info .cast_info_head .support_btn {
  min-width: 0;
  padding: 6px 12px;
  font-size: 11px;
  gap: 4px;
  border-width: 1px;
}
.cast_box .cast_info .cast_info_head .support_heart {
  font-size: 13px;
}
.cast_box .cast_info .cast_info_head .support_btn_text .support_btn_label{
  min-width: 66px;
  display: inline-block;
}
.cast_box .cast_info .cast_info_head .support_btn_count {
  font-size: 11px;
}

.support_btn_wrap {
  display: inline-block;
  position: relative;
}

.support_btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  min-width: 152px;
  border: 1.5px solid var(--support-pink);
  border-radius: 999px;
  background: #fff;
  color: var(--support-pink);
  font-size: 13px;
  font-weight: bold;
  line-height: 1;
  cursor: pointer;
  overflow: visible;
  isolation: isolate;
  transition:
    transform 220ms cubic-bezier(0.34, 1.56, 0.64, 1),
    background 250ms ease,
    color 250ms ease,
    box-shadow 250ms ease,
    border-color 250ms ease;
}

.support_btn:not(.voted):hover {
  background: var(--support-pink-bg);
  box-shadow: 0 2px 8px rgba(255, 77, 141, 0.22);
}

.support_btn:focus-visible {
  outline: 2px solid var(--support-pink);
  outline-offset: 3px;
}

.support_btn.is-pressing {
  transform: scale(0.93);
  transition: transform 90ms ease-out;
}

.support_btn.voted {
  background: var(--support-voted-bg);
  color: var(--support-voted-text);
  border-color: var(--support-voted-border);
  cursor: not-allowed;
  box-shadow: none;
}

.support_btn_inner {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  position: relative;
  z-index: 2;
}

.support_heart {
  display: inline-block;
  font-size: 15px;
  transform-origin: center;
  line-height: 1;
  color: var(--support-pink);
  transition: color 250ms ease;
}

.support_btn.voted .support_heart {
  color: var(--support-voted-text);
}

.support_btn.is-bursting .support_heart {
  animation: support-burst 700ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.support_btn_count {
  margin-left: 2px;
  font-weight: normal;
  font-size: 12px;
}

/* +1 表示 — ボタン中央からフワッと高く浮上
   ピクセル値 + translate3d でカクつかないように。
   transform で % を使うと scale 変化と連動して位置がジターするのを避ける */
.support_plus_one {
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: -11px;       /* 行高ぶん上に逃がして中央寄せ */
  margin-left: -10px;      /* font 22px の "+1" 横半分 */
  opacity: 0;
  font-size: 22px;
  font-weight: bold;
  line-height: 1;
  color: var(--support-pink);
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.9);
  pointer-events: none;
  will-change: transform, opacity;
  transform: translate3d(0, 0, 0) scale(0.6);
  backface-visibility: hidden;
  z-index: 3;
}

.support_btn.is-bursting .support_plus_one {
  animation: support-plusone 1300ms cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
}

/* グロー輪 — クリック時にボタン周囲へ広がる光の波 */
.support_glow_ring {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  border-radius: 999px;
  transform: translate(-50%, -50%) scale(0.6);
  opacity: 0;
  pointer-events: none;
  box-shadow: 0 0 0 0 rgba(255, 77, 141, 0.6);
  z-index: 1;
}

.support_btn.is-bursting .support_glow_ring {
  animation: support-glow 800ms ease-out;
}

/* スパークル — 8 粒の小さな光が放射状に飛び散る */
.support_sparkles {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: transparent;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(0.3);
  /* 8 方向に小さな丸を配置（ピンク濃淡を交互に） */
  box-shadow:
    0 -20px 0 1.5px var(--support-pink-light),
    14px -14px 0 1.5px var(--support-pink),
    20px 0 0 1.5px var(--support-pink-light),
    14px 14px 0 1.5px var(--support-pink),
    0 20px 0 1.5px var(--support-pink-light),
    -14px 14px 0 1.5px var(--support-pink),
    -20px 0 0 1.5px var(--support-pink-light),
    -14px -14px 0 1.5px var(--support-pink);
  z-index: 2;
}

.support_btn.is-bursting .support_sparkles {
  animation: support-sparkle 900ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* プロフィール詳細用 — ボタンを縦長に */
.support_btn_box--profile {
  margin: 30px 0 0;
}
.support_btn_box--profile .support_btn {
  display: flex;
  width: 100%;
  min-height: 50px;
  margin: 0 auto;
  font-size: 15px;
  border-radius: 50px;
  border-width: 2px;
}

/* トースト */
.support_toast {
  position: fixed;
  bottom: 10%;
  left: 50%;
  transform: translate(-50%, 20px);
  padding: 12px 22px;
  background: linear-gradient(135deg, var(--support-pink) 0%, var(--support-pink-light) 100%);
  color: #fff;
  border-radius: 999px;
  font-size: 14px;
  font-weight: bold;
  box-shadow: 0 6px 24px rgba(255, 77, 141, 0.45);
  opacity: 0;
  pointer-events: none;
  z-index: 9999;
}

.support_toast.is-show {
  animation: support-toast 2000ms ease-out forwards;
}

/* ===== keyframes ===== */

/* ハート: ぽんと跳ねてから少し戻る（スケールのみ・補間が滑らか） */
@keyframes support-burst {
  0%   { transform: scale(1); }
  35%  { transform: scale(1.45); }
  60%  { transform: scale(0.92); }
  100% { transform: scale(1); }
}

/* +1 ふわっと一直線にスーッと高く浮上
   ・中間で transform を pin しない（0% と 100% のみで指定）
   ・scale はわずか 0.75 → 1 の一方向だけ
   ・opacity のみ中間でフェード制御
   → ease-out カーブで自然減速しながら 1 ストロークで上空へ */
@keyframes support-plusone {
  0%   { opacity: 0; transform: translate3d(0, 0, 0) scale(0.75); }
  15%  { opacity: 1; }
  80%  { opacity: 1; }
  100% { opacity: 0; transform: translate3d(0, -70px, 0) scale(1); }
}

/* グロー輪が広がる */
@keyframes support-glow {
  0%   { opacity: 0.9; transform: translate(-50%, -50%) scale(0.6); box-shadow: 0 0 0 0 rgba(255, 77, 141, 0.6); }
  60%  { opacity: 0.5; box-shadow: 0 0 0 14px rgba(255, 77, 141, 0.15); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1.6); box-shadow: 0 0 0 24px rgba(255, 77, 141, 0); }
}

/* スパークル: 8 方向に飛び散ってフェード */
@keyframes support-sparkle {
  0%   { opacity: 0; transform: translate(-50%, -50%) scale(0.2); }
  25%  { opacity: 1; transform: translate(-50%, -50%) scale(0.9); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1.9); }
}

/* トースト */
@keyframes support-toast {
  0%   { opacity: 0; transform: translate(-50%, 20px); }
  10%  { opacity: 1; transform: translate(-50%, 0); }
  85%  { opacity: 1; transform: translate(-50%, 0); }
  100% { opacity: 0; transform: translate(-50%, -12px); }
}

/* prefers-reduced-motion 対応 */
@media (prefers-reduced-motion: reduce) {
  .support_btn,
  .support_btn.is-pressing,
  .support_btn.is-bursting .support_heart,
  .support_btn.is-bursting .support_plus_one,
  .support_btn.is-bursting .support_glow_ring,
  .support_btn.is-bursting .support_sparkles,
  .support_toast.is-show {
    animation: none !important;
    transition: none !important;
  }
  .support_btn.is-bursting .support_plus_one {
    opacity: 1;
    transform: translate3d(0, -35px, 0) !important;
  }
}