header {
  background-image: url(../img/common/header_bg.png) !important;
  background-size: cover!important;
  background-position: center!important;
  background-repeat: no-repeat!important;
}

.btn-social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-social .social-icon {
  width: 18px;
  height: 18px;
  fill: currentColor;
  flex-shrink: 0;
}

/* X.com (Twitter) ボタン */
.btn-twitter {
  background-color: #000000;
  border-color: #000000;
  color: white;
}

.btn-twitter:hover {
  background-color: #1a1a1a;
  border-color: #1a1a1a;
  color: white;
}

/* LINEボタン */
.btn-line {
  background-color: #00b900;
  border-color: #00b900;
  color: white;
}

.btn-line:hover {
  background-color: #009900;
  border-color: #009900;
  color: white;
}

/* ソーシャルログイン区切り線 */
.social-login-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 1.5rem 0;
}

.social-login-divider::before,
.social-login-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--tblr-border-color);
}

.social-login-divider span {
  padding: 0 1rem;
  color: var(--tblr-body-color);
  font-size: 0.875rem;
  background: var(--tblr-body-bg);
}

/* ソーシャルボタンレイアウト */
.social-buttons {
  display: flex;
  gap: 1rem;
}

.social-buttons .btn-social {
  flex: 1;
}

/* モバイル対応 */
@media (max-width: 575px) {
  .social-buttons {
    flex-direction: column;
    gap: 0.75rem;
  }
}

/* ファイルアップロード */
.upload-area {
  border: 2px dashed var(--tblr-border-color);
  border-radius: var(--tblr-border-radius);
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
  background-color: var(--tblr-bg-surface);
}
.upload-area:hover {
  border-color: var(--tblr-primary);
  background-color: var(--tblr-bg-surface-secondary);
}
.upload-area.dragover {
  border-color: var(--tblr-primary);
  background-color: var(--tblr-primary-lt);
}
.file-preview {
  max-width: 200px;
  max-height: 200px;
  border-radius: var(--tblr-border-radius);
  border: 1px solid var(--tblr-border-color);
}
.file-info {
  background-color: var(--tblr-bg-surface-secondary);
  border-radius: var(--tblr-border-radius);
  padding: 0.5rem;
  margin-top: 0.5rem;
}

.cursor-pointer {
  cursor: pointer;
}
.cursor-pointer:hover {
  background-color: var(--tblr-bg-surface-secondary);
}

/* ログインページ専用スタイル */
.login-page {
  background-color: #ff6c5d !important;
  min-height: 100vh;
}

.login-container {
  display: flex;
  min-height: 100vh;
  align-items: center;
  max-width: 1320px;
  margin: 0 auto;
}

.login-image-section {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-image-section img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
}

.login-form-section {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.login-card {
  width: 100%;
  background: white;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* モバイル対応 */
@media (max-width: 768px) {
  .login-container {
    flex-direction: column;
  }

  .login-image-section {
    flex: none;
    height: 30vh;
  }

  .login-form-section {
    flex: 1;
    padding: 1rem;
  }

  .login-image-section img {
    height: 100%;
    width: auto;
  }
}

/* 新規登録ボタンのスタイル */
.l-header__register {
  font-size: 16px;
  background-color: #fff;
  color: #4a90e2;
  padding: 17px 23px;
  border-radius: 999px;
  font-weight: 700;
  border: 2px solid #4a90e2;
  text-decoration: none;
  display: inline-block;
  transition: all 0.2s ease;
}

.l-header__register:hover {
  background-color: #4a90e2;
  color: #fff;
  opacity: 1;
}

/* ログインドロップダウンメニューのスタイル */
.l-header__login-wrapper {
  position: relative;
}

.l-header__login {
  cursor: pointer;
}

.l-header__login-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 120px;
  width: max-content;
  background-color: #fff;
  border-radius: 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 1000;
}

.l-header__login-wrapper:hover .l-header__login-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.l-header__login-dropdown-item {
  display: block;
  padding: 15px 23px;
  color: #333;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.2s ease;
  border-bottom: 1px solid #f0f0f0;
}

.l-header__login-dropdown-item:last-child {
  border-bottom: none;
}

.l-header__login-dropdown-item:hover {
  background-color: #ff6c5d;
  color: #fff;
}

/* PC版のgap設定 */
.l-header__inner {
  gap: 15px;
}

@media screen and (max-width: 1080px) {
  .l-header__inner {
    grid-template-columns: 1fr auto auto auto !important;
    gap: 2rem !important;
  }

  .l-header__register {
    font-size: 2.17rem;
    padding: 2.1rem 3.4rem;
  }

  .l-header__login-dropdown {
    top: calc(100% + 1.5rem);
    border-radius: 3rem;
    left: auto;
    right: 0;
  }

  .l-header__login-dropdown-item {
    padding: 2.1rem 3.4rem;
    font-size: 2.17rem;
  }

  /* ハンバーガーメニューのfixed解除 */
  .l-header__hamburger.is-active {
    position: static !important;
    top: auto !important;
    right: auto !important;
  }
}

.navbar-navi {
  display: flex;
  gap: .5rem;
}