/**
 * 会員ログイン画面（member/）
 * 背景画像: member/kanri/images/login-bg.jpg（2560×1440px）
 * ロゴ: member/kanri/images/login-logo.svg（蔵wn）
 * フォント: Noto Serif JP
 */
.member-login-page {
  font-family: "Noto Serif JP", serif;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  background: #0a0a0a url("../images/login-bg.jpg") no-repeat center center;
  background-size: cover;
  position: relative;
  overflow-x: hidden;
  box-sizing: border-box;
}
.member-login-page *,
.member-login-page *::before,
.member-login-page *::after {
  box-sizing: border-box;
}

.member-login-page::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  pointer-events: none;
}

/* 下から上へ流れるキラキラ（背景の上・カードの下） */
.member-login-sparkles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.member-login-sparkle {
  position: absolute;
  width: var(--sparkle-size, 4px);
  height: var(--sparkle-size, 4px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.9) 0%, rgba(201, 162, 39, 0.4) 70%, transparent 100%);
  box-shadow: 0 0 6px rgba(255, 255, 255, 0.5);
  bottom: -5%;
  animation: login-sparkle-rise linear infinite;
  will-change: transform, opacity;
}

@keyframes login-sparkle-rise {
  0% {
    transform: translateY(0);
    opacity: 0;
  }
  8% {
    opacity: var(--sparkle-max-opacity, 0.7);
  }
  85% {
    opacity: calc(var(--sparkle-max-opacity, 0.7) * 0.7);
  }
  100% {
    transform: translateY(-110vh);
    opacity: 0;
  }
}

.member-login-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 400px;
  padding: 48px 40px 40px;
  background: rgba(18, 18, 18, 0.92);
  border: 1px solid rgba(201, 162, 39, 0.35);
  border-radius: 12px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5);
  box-sizing: border-box;
  overflow-x: hidden;
}

.member-login-logo {
  text-align: center;
  margin-bottom: 8px;
}

.member-login-welcome {
  font-family: "Great Vibes", cursive;
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 4px;
}

.member-login-brand {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff;
  margin-bottom: 12px;
}

.member-login-brand .en { color: rgba(201, 162, 39, 0.95); }

.member-login-logo-img {
  display: block;
  margin: 0 auto 20px;
  max-width: 140px;
  height: auto;
  object-fit: contain;
}

.member-login-sub {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  margin-bottom: 28px;
  text-align: center;
}

.member-login-card form {
  width: 100%;
  max-width: 300px;
  margin: 0 auto;
  min-width: 0;
}

.member-login-page .form-group {
  margin-bottom: 20px;
  min-width: 0;
}

/* パスワード欄：目のアイコンで表示切替 */
.member-login-page .form-group-password {
  position: relative;
}
.member-login-page .form-group-password .form-control {
  padding-right: 48px;
}
.member-login-page .password-toggle {
  position: absolute;
  top: 0;
  right: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: none;
  background: transparent;
  color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  border-radius: 0 8px 8px 0;
  transition: color 0.2s;
}
.member-login-page .password-toggle:hover {
  color: rgba(201, 162, 39, 0.9);
}
.member-login-page .password-toggle .icon-eye-off {
  display: none;
}
.member-login-page .password-toggle .icon-eye {
  display: block;
}
.member-login-page .password-toggle.is-visible .icon-eye-off {
  display: block;
}
.member-login-page .password-toggle.is-visible .icon-eye {
  display: none;
}

.member-login-page .form-control {
  display: block;
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: 48px;
  padding: 0 16px;
  font-size: 1rem;
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.member-login-page .form-control::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.member-login-page .form-control:focus {
  outline: none;
  border-color: rgba(201, 162, 39, 0.7);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.15);
}

.member-login-page .form-check {
  margin-bottom: 24px;
}

.member-login-page .form-check-label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.75);
  cursor: pointer;
}

.member-login-page .btn-login {
  position: relative;
  width: 100%;
  height: 48px;
  font-family: "Noto Serif JP", serif;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.95);
  text-transform: uppercase;
  /* メタル調：銀〜スチールグラデ + 上端にハイライト */
  background: linear-gradient(
    180deg,
    rgba(220, 225, 235, 0.98) 0%,
    rgba(160, 168, 182, 0.95) 18%,
    rgba(100, 108, 122, 0.95) 50%,
    rgba(70, 76, 88, 0.98) 100%
  );
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-bottom-color: rgba(0, 0, 0, 0.4);
  border-radius: 8px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.4),
    0 4px 12px rgba(0, 0, 0, 0.35);
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.2s ease;
}

.member-login-page .btn-login::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 0%,
    transparent 40%,
    rgba(255, 255, 255, 0.15) 50%,
    transparent 60%,
    transparent 100%
  );
  transform: translateX(-100%) skewX(-12deg);
  transition: transform 0.5s ease;
  pointer-events: none;
}

.member-login-page .btn-login:hover {
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.5),
    0 8px 24px rgba(0, 0, 0, 0.4);
  border-color: rgba(255, 255, 255, 0.45);
}

.member-login-page .btn-login:hover::before {
  transform: translateX(100%) skewX(-12deg);
}

.member-login-page .btn-login:active {
  transform: translateY(0);
  box-shadow:
    inset 0 2px 6px rgba(0, 0, 0, 0.3),
    0 2px 8px rgba(0, 0, 0, 0.3);
}

.member-login-backlink {
  margin-top: 20px;
  text-align: center;
}
.member-login-backlink a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  transition: color 0.2s;
}
.member-login-backlink a:hover {
  color: rgba(201, 162, 39, 0.95);
}

.member-login-msg {
  margin-top: 16px;
  font-size: 0.875rem;
  color: #e8a0a0;
  text-align: center;
}

@media (max-width: 480px) {
  .member-login-card {
    padding: 36px 24px 32px;
  }
  .member-login-brand {
    font-size: 1.25rem;
  }
}