/* signup_flow.css - 新規登録・招待登録画面専用スタイル */

/* Tailwind未収録クラスの補完 */
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* 背景設定 */
.signup-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 50%, #eff6ff 100%);
    pointer-events: none;
}

.signup-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.5;
    animation: floatingOrb 15s infinite alternate ease-in-out;
}

.signup-orb--primary {
    top: -150px;
    left: -150px;
    width: 600px;
    height: 600px;
    background: rgba(37, 99, 235, 0.15); /* blue-600 based */
}

.signup-orb--secondary {
    bottom: -150px;
    right: -150px;
    width: 500px;
    height: 500px;
    background: rgba(79, 70, 229, 0.15); /* indigo-600 based */
    animation-delay: -5s;
}

@keyframes floatingOrb {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, 40px) scale(1.05); }
}

/* スクロールバー */
.custom-scrollbar::-webkit-scrollbar { width: 6px; }
.custom-scrollbar::-webkit-scrollbar-track { background: transparent; }
.custom-scrollbar::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
.custom-scrollbar::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* ステップ遷移アニメーション */
.step-content {
    transition: opacity 0.3s ease, transform 0.3s ease;
}
.step-hidden {
    display: none;
    opacity: 0;
    transform: translateX(20px);
}
.step-visible {
    display: block;
    opacity: 1;
    transform: translateX(0);
}

/* コンポーネントスタイル (ビジネスブルー) */
.btn-business {
    width: 100%;
    height: auto;
    background-color: #2563eb; /* blue-600 */
    color: white;
    transition: all 0.2s;
    box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.2), 0 2px 4px -1px rgba(37, 99, 235, 0.1);
}
.btn-business:hover {
    background-color: #1d4ed8; /* blue-700 */
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.3), 0 4px 6px -2px rgba(37, 99, 235, 0.15);
}
.btn-business:active {
    transform: scale(0.98);
}

/* ログインへ戻るボタン（サインアップページ） */
.btn-back-login {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: #475569;
    background-color: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 0.75rem;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    transition: color 0.2s, background-color 0.2s, border-color 0.2s, box-shadow 0.2s;
    text-decoration: none;
}
.btn-back-login:hover {
    color: #1e293b;
    background-color: #f8fafc;
    border-color: #cbd5e1;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}
.btn-back-login:active {
    transform: scale(0.98);
}

.input-field:focus {
    border-color: #2563eb;
    ring-color: #bfdbfe;
    background-color: white;
}

.step-circle-active {
    background-color: #2563eb;
    color: white;
    box-shadow: 0 0 0 4px #ffffff, 0 4px 6px -1px rgba(37, 99, 235, 0.3);
}

.step-text-active {
    color: #1d4ed8;
}

/* ロゴ（新規登録・招待登録） */
.logo-img-fixed {
    height: 80px !important;
    width: auto !important;
    max-height: 80px !important;
    object-fit: contain;
}