/* ASTRA LINE友だち追加バナー: 黒×緑発光のカプセル型（見た目のみ。位置・文言・リンクは既存のまま） */
.line-friend-banner {
  box-sizing: border-box;
  width: auto;
  max-width: 180px;
  height: 36px;
  padding: 0 10px;
  gap: 0;
  display: inline-flex;
  align-items: center;
  border-radius: 9999px;
  border: 1px solid rgba(61, 220, 132, 0.55);
  background:
    radial-gradient(circle at 19px 50%, rgba(6, 199, 85, 0.30) 0, rgba(6, 199, 85, 0) 46px),
    linear-gradient(180deg, rgba(10, 15, 20, 0.90), rgba(3, 5, 8, 0.88));
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  box-shadow:
    0 0 10px rgba(6, 199, 85, 0.28),
    0 0 22px rgba(6, 199, 85, 0.12),
    inset 10px 0 14px -10px rgba(6, 199, 85, 0.45);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1;
  white-space: nowrap;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.line-friend-banner:hover {
  background:
    radial-gradient(circle at 19px 50%, rgba(6, 199, 85, 0.38) 0, rgba(6, 199, 85, 0) 46px),
    linear-gradient(180deg, rgba(10, 15, 20, 0.92), rgba(3, 5, 8, 0.90));
  color: #fff;
  border-color: rgba(61, 220, 132, 0.85);
  box-shadow:
    0 0 14px rgba(6, 199, 85, 0.40),
    0 0 28px rgba(6, 199, 85, 0.18),
    inset 10px 0 14px -10px rgba(6, 199, 85, 0.55);
}

/* LINEロゴ: 18pxの緑の丸 */
.line-friend-banner__icon {
  position: relative;
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  margin: 0 17px 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #06C755;
  color: #fff;
  box-shadow: 0 0 8px rgba(6, 199, 85, 0.65);
}

.line-friend-banner__icon svg {
  width: 12px;
  height: 12px;
  display: block;
}

/* 縦区切り線: 1px x 16px（ロゴの右8px） */
.line-friend-banner__icon::after {
  content: "";
  position: absolute;
  left: calc(100% + 8px);
  top: 50%;
  width: 1px;
  height: 16px;
  transform: translateY(-50%);
  background: rgba(61, 220, 132, 0.45);
}

.line-friend-banner__text {
  flex: 0 1 auto;
  min-width: 0;
  white-space: nowrap;
  text-align: left;
}

/* 右向き矢印: 13px・緑 */
.line-friend-banner::after {
  content: "";
  flex: 0 0 13px;
  width: 13px;
  height: 13px;
  margin-left: 10px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233ddc84' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M13 6l6 6-6 6'/%3E%3C/svg%3E") center / contain no-repeat;
}