/* 基本設定 */
:root {
    --primary-color: #007BFF; /* メインカラー */
    --secondary-color: #6c757d; /* サブカラー */
    --background-color: #f8f9fa; /* 背景色 */
    --text-color: #333; /* テキストカラー */
    --heading-font: 'Noto Sans JP', sans-serif;
    --body-font: 'Noto Sans JP', sans-serif;
}

body {
    margin: 0;
    font-family: var(--body-font);
    color: var(--text-color);
    line-height: 1.8;
}
/* スムーズスクロール */
html {
    scroll-behavior: smooth;
}

/* アンカーリンク用のオフセット調整 */
section {
    scroll-margin-top: 125px;
}

img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

.container {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    font-family: var(--heading-font);
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
}
.section-subtitle {
    text-align: center;
    color: #64748b;
    margin-bottom: 60px;
    font-size: 18px;
}
/* ボタン共通スタイル */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #0056b3;
}

.btn-secondary {
    background-color: #fff;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-secondary:hover {
    background-color: #f8f9fa;
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.2rem;
}


/* ヘッダー */
.header {
    background-color: #fff;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
}

.header-inner {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo img {
    height: 40px; /* ロゴの高さを指定 */
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 15px;
}
.nav-link {
    color: #333;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s;
    padding: 5px 0;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}

.nav-link:hover {
    color: #667eea;
    border-bottom-color: #667eea;
}
/* nav-linksのスタイル（既存CSSに追加） */
.nav-links {
    display: flex;
    align-items: center;
    gap: 25px;
}

/* ハンバーガーメニューボタン */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 3px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* オーバーレイ */
.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.overlay.active {
    display: block;
}
/* ファーストビュー */
.hero {
    background-color: var(--background-color);
    padding: 80px 20px;
    text-align: center;
}

.hero-content {
    max-width: 1100px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero .highlight {
    background: linear-gradient(transparent 60%, #ffdd57 60%);
    padding: 0 5px;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #555;
    margin-bottom: 30px;
}

.hero h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 40px;
}

.hero-features {
    display: inline-block;
    text-align: left;
    margin-bottom: 40px;
    font-size: 1.1rem;
}
.hero-features p {
    margin: 10px 0;
}
.hero-features span {
    color: var(--primary-color);
    font-weight: bold;
    margin-right: 10px;
}

.hero-caption {
    margin-top: 15px;
    color: #777;
}


/* 課題提起 */
.problem {
    padding: 20px 0;
    background: #f0f9ff;
}

.problem-items {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 60px;
}

.problem-item {
    width: 31%;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 30px;
    background: #fff;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.problem-item h3 {
    text-align: center;
    font-size: 1.5rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.problem-solution {
    text-align: center;
}
.problem-solution .solution-text {
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1.6;
}
.problem-solution .highlight-strong {
    font-size: 2.8rem;
    color: var(--primary-color);
    background: linear-gradient(transparent 60%, #ffdd57 60%);
    padding: 0 10px;
}
.sp-only { display: none; }

/* お悩みセクション */
.problems {
    background: #f8fafc;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.problem-card {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.07);
}

.problem-card h3 {
    font-size: 22px;
    color: #dc2626;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.problem-icon {
    font-size: 28px;
}
/* こんな方でも安心 */
.reassurance {
    background: #f0f9ff;
    padding: 60px 0;
}

.reassurance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.reassurance-item {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.reassurance-item .icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.reassurance-item h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: #1e293b;
}

.reassurance-item p {
    font-size: 14px;
    color: #64748b;
    line-height: 1.6;
}

.trial-message {
    background: #fff;
    border: 3px solid #007BFF;
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    margin-top: 40px;
}

.trial-message p {
    font-size: 18px;
    color: #007BFF;
    margin: 0;
}
/* 導入事例セクション */
.cases {
    padding: 20px 0;
    background: #fff;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.case-card {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    padding: 35px;
    border-radius: 12px;
    border-left: 5px solid #2563eb;
}

.case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.case-company {
    font-size: 18px;
    font-weight: bold;
    color: #1e293b;
}

.case-tag {
    background: #2563eb;
    color: #fff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
}

.case-problem {
    background: #fff;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.case-problem-title {
    font-weight: bold;
    color: #dc2626;
    margin-bottom: 8px;
}

.case-results {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
}

.case-results-title {
    font-weight: bold;
    color: #059669;
    margin-bottom: 12px;
}
.user-voices {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    margin-top: 15px;
}

.voice-title {
    font-weight: bold;
    color: #2563eb;
    margin-bottom: 15px;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.voice-item {
    background: #f8fafc;
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 12px;
    transition: all 0.3s ease;
}

.voice-item:last-child {
    margin-bottom: 0;
}


.voice-profile {
    font-size: 13px;
    color: #64748b;
    font-weight: 600;
    margin-bottom: 8px;
    display: inline-block;
    background: #e0f2fe;
    padding: 4px 10px;
    border-radius: 12px;
}

.voice-item p {
    font-size: 14px;
    line-height: 1.7;
    color: #334155;
    margin: 0;
}

.result-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-bottom: 12px;
    font-size: 15px;
}

.result-item:last-child {
    margin-bottom: 0;
}

.result-left {
    color: #1e293b;
}

.result-right {
    text-align: right;
    color: #059669;
    font-weight: 600;
    padding-left: 20px;
}

.result-arrow {
    color: #059669;
    font-weight: bold;
    margin-right: 5px;
}
/* サービスの特徴 */
.features {
    padding: 20px 0;
    background-color: var(--background-color);
}
.feature-card {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 80px;
}
.feature-card.reverse {
    flex-direction: row-reverse;
}
.feature-image {
    width: 45%;
    flex-shrink: 0;
}
.feature-image img {
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}
.feature-text {
    width: 55%;
}
.feature-text h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
}
.feature-number {
    display: block;
    font-size: 1rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}
/* FAQ */
.faq {
    padding: 20px 0;
    background: #fff;
}

.faq-grid {
    max-width: 900px;
    margin: 40px auto 0;
}

.faq-item {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    padding: 25px;
    margin-bottom: 15px;
    border-radius: 10px;
    border: 2px solid #2563eb;
}

.faq-question {
    font-weight: bold;
    color: #2563eb;
    margin-bottom: 12px;
    font-size: 19px;
}

.faq-answer {
    color: #475569;
    line-height: 1.8;
}

/* 導入の流れ */
.flow {
    padding: 20px 0;
    background-color: var(--background-color);
}
.flow-steps {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    text-align: center;
}
.flow-step {
    width: 23%;
    position: relative;
}
.flow-step:not(:last-child)::after {
    content: '▶';
    position: absolute;
    right: -25px;
    top: 30px;
    color: #ccc;
    font-size: 20px;
}

.step-number {
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0 auto 20px;
}
.flow-step h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

/* CTA */
.cta {
    padding: 80px 0;
    background-color: var(--primary-color);
    color: #fff;
    text-align: center;
}
.cta .section-title {
    color: #fff;
}
.cta p {
    font-size: 1.1rem;
    margin-bottom: 40px;
}
.cta .btn-primary {
    background: #fff;
    color: var(--primary-color);
    border-color: #fff;
}
.cta .btn-primary:hover {
    background: #f0f0f0;
}
.cta .btn-secondary {
    background: transparent;
    color: #fff;
    border-color: #fff;
    margin-left: 15px;
}
.cta .btn-secondary:hover {
    background: rgba(255,255,255,0.1);
}

/* フッター */
.footer {
    background-color: #333;
    color: #fff;
    padding: 40px 0;
}
.footer-inner {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer-info p {
    margin: 5px 0;
    font-size: 0.9rem;
    color: #ccc;
}
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 25px;
}
.footer-links a {
    color: #fff;
    text-decoration: none;
}
.footer-links a:hover {
    text-decoration: underline;
}
.logo-placeholder {
    background: linear-gradient(135deg, #f8fafc 0%, #e8f4fd 100%);
    border: 2px dashed #bdc3c7;
    border-radius: 12px;
    padding: 0;
    text-align: center;
    display: flex;
    width:220px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #7f8c8d;
}
.illustration-placeholder {
    background: linear-gradient(135deg, #f8fafc 0%, #e8f4fd 100%);
    border: 2px dashed #bdc3c7;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #7f8c8d;
}

/* レスポンシブ対応 (スマートフォン向け) */
@media (max-width: 768px) {
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 40px;
    }

    .header-logo img {
        height: 30px;
    }
    .header-nav .btn {
        padding: 8px 12px;
        font-size: 0.8rem;
    }
    .hamburger {
        display: flex;
    }

    .header-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: #fff;
        flex-direction: column;
        padding: 80px 30px 30px;
        gap: 0;
        transition: right 0.3s ease;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        overflow-y: auto;
    }

    .header-nav.active {
        right: 0;
    }

    .nav-links {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        width: 100%;
        margin-bottom: 30px;
    }

    .nav-link {
        padding: 15px 20px;
        border-bottom: 1px solid #eee;
        border-radius: 0;
        font-size: 16px;
    }

    .nav-link:hover {
        background-color: #f8f9fa;
    }

    .header-nav .btn {
        width: 100%;
        text-align: center;
        margin-bottom: 15px;
        padding: 15px 20px;
    }
    .hero {
        padding: 60px 20px;
    }
    .hero h1 {
        font-size: 1.8rem;
    }
    .hero-subtitle {
        font-size: 1rem;
    }
    .hero h2 {
        font-size: 1.5rem;
    }
    .hero-features {
        font-size: 0.9rem;
    }
    .btn-large {
        padding: 14px 28px;
        font-size: 1rem;
    }

    .problem-items {
        flex-direction: column;
        gap: 20px;
    }
    .problem-item {
        width: auto;
    }

    .sp-only { display: block; }
    .problem-solution .solution-text { font-size: 1.5rem; }
    .problem-solution .highlight-strong { font-size: 2rem; }

    .feature-card, .feature-card.reverse {
        flex-direction: column;
        gap: 30px;
    }
    .feature-image, .feature-text {
        width: 100%;
    }
    .feature-text h3 { font-size: 1.5rem; }

    .flow-steps {
        flex-direction: column;
        gap: 40px;
    }
    .flow-step {
        width: 100%;
    }
    .flow-step:not(:last-child)::after {
        content: '▼';
        right: 50%;
        transform: translateX(50%);
        top: auto;
        bottom: -30px;
    }
    .user-voices {
        padding: 15px;
    }

    .voice-title {
        font-size: 15px;
    }

    .voice-item {
        padding: 12px;
    }

    .voice-profile {
        font-size: 12px;
    }

    .voice-item p {
        font-size: 13px;
    }

    .cta { padding: 60px 20px; }
    .cta .btn {
        display: block;
        width: 90%;
        margin: 15px auto;
    }
    .cta .btn-secondary {
        margin-left: auto;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    .footer-links {
        flex-direction: column;
        gap: 10px;
    }
}

/* 埋め込みサインアップフォーム */
.signup-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.signup-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.signup-container h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 2rem;
}

.signup-description {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
}

.signup-form fieldset {
    border: none;
    padding: 0;
    margin-bottom: 30px;
}

.signup-form legend {
    font-size: 1.2rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
    border-bottom: 2px solid #eee;
    width: 100%;
    padding-bottom: 10px;
    display: block;
}

.signup-form .input-group {
    margin-bottom: 20px;
}

.signup-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
}

.signup-form input[type="text"],
.signup-form input[type="email"],
.signup-form input[type="password"],
.signup-form input[type="tel"] {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s;
    box-sizing: border-box;
}

.signup-form input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.signup-form button {
    width: 100%;
    padding: 15px;
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
    display: block;
    margin-top: 30px;
}

/* 埋め込みサインアップフォーム */
.signup-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.signup-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.signup-container h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 2rem;
}

.signup-description {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
}

.signup-form fieldset {
    border: none;
    padding: 0;
    margin-bottom: 30px;
}

.signup-form legend {
    font-size: 1.2rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
    border-bottom: 2px solid #eee;
    width: 100%;
    padding-bottom: 10px;
    display: block;
}

.signup-form .input-group {
    margin-bottom: 20px;
}

.signup-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
}

.signup-form input[type="text"],
.signup-form input[type="email"],
.signup-form input[type="password"],
.signup-form input[type="tel"] {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s;
    box-sizing: border-box;
}

.signup-form input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.signup-form button {
    width: 100%;
    padding: 15px;
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
    display: block;
    margin-top: 30px;
}

.signup-form button:hover {
    background-color: #0056b3;
}

/* FormValidation styles */
.fv-plugins-message-container {
    color: #dc3545;
    font-size: 0.9rem;
    margin-top: 5px;
}

/* Signup Flow */
.signup-flow {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    margin-bottom: 40px;
    position: relative;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.flow-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
    width: 140px;
}

.flow-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid #ccc;
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8rem;
    font-weight: bold;
    color: #ccc;
    margin-bottom: 10px;
}

.flow-label {
    font-size: 0.9rem;
    color: #999;
    text-align: center;
    font-weight: bold;
}

.flow-line {
    flex-grow: 1;
    height: 4px;
    background: #ccc;
    margin-top: 28px;
    margin-left: -30px;
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s;
    box-sizing: border-box;
}

.signup-form input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.signup-form button {
    width: 100%;
    padding: 15px;
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
    display: block;
    margin-top: 30px;
}

/* 埋め込みサインアップフォーム */
.signup-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.signup-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.signup-container h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 2rem;
}

.signup-description {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
}

.signup-form fieldset {
    border: none;
    padding: 0;
    margin-bottom: 30px;
}

.signup-form legend {
    font-size: 1.2rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
    border-bottom: 2px solid #eee;
    width: 100%;
    padding-bottom: 10px;
    display: block;
}

.signup-form .input-group {
    margin-bottom: 20px;
}

.signup-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
}

.signup-form input[type="text"],
.signup-form input[type="email"],
.signup-form input[type="password"],
.signup-form input[type="tel"] {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s;
    box-sizing: border-box;
}

.signup-form input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.signup-form button {
    width: 100%;
    padding: 15px;
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
    display: block;
    margin-top: 30px;
}

.signup-form button:hover {
    background-color: #0056b3;
}

/* FormValidation styles */
.fv-plugins-message-container {
    color: #dc3545;
    font-size: 0.9rem;
    margin-top: 5px;
}

/* Signup Flow */
.signup-flow {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    margin-bottom: 40px;
    position: relative;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.flow-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
    width: 140px;
}

.flow-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid #ccc;
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8rem;
    font-weight: bold;
    color: #ccc;
    margin-bottom: 10px;
}

.flow-label {
    font-size: 0.9rem;
    color: #999;
    text-align: center;
    font-weight: bold;
}

.flow-line {
    flex-grow: 1;
    height: 4px;
    background: #ccc;
    margin-top: 28px;
    margin-left: -30px;
    margin-right: -30px;
    position: relative;
    z-index: 1;
}

/* Active State */
.flow-item.active .flow-circle {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.flow-item.active .flow-label {
    color: var(--primary-color);
}

/* Validation Styles */
.signup-form .input-group {
    position: relative;
}

.signup-form input.is-valid {
    border-color: #28a745;
    padding-right: 40px;
    background-color: #f8fff9;
    box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.1);
}

.signup-form input.is-invalid {
    border-color: #dc3545;
    padding-right: 40px;
    background-color: #fff8f8;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.custom-valid-icon,
.custom-invalid-icon {
    width: 20px;
    height: 20px;
    position: absolute;
    right: 15px;
    top: 43px;
    background-size: contain;
    background-repeat: no-repeat;
    font-size: 2rem;
}

.signup-description {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
}

.signup-form fieldset {
    border: none;
    padding: 0;
    margin-bottom: 30px;
}

.signup-form legend {
    font-size: 1.2rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
    border-bottom: 2px solid #eee;
    width: 100%;
    padding-bottom: 10px;
    display: block;
}

.signup-form .input-group {
    margin-bottom: 20px;
}

.signup-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
}

.signup-form input[type="text"],
.signup-form input[type="email"],
.signup-form input[type="password"],
.signup-form input[type="tel"] {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s;
    box-sizing: border-box;
}

.signup-form input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.signup-form button {
    width: 100%;
    padding: 15px;
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
    display: block;
    margin-top: 30px;
}

.signup-form button:hover {
    background-color: #0056b3;
}

/* FormValidation styles */
.fv-plugins-message-container {
    color: #dc3545;
    font-size: 0.9rem;
    margin-top: 5px;
}

/* Signup Flow */
.signup-flow {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    margin-bottom: 40px;
    position: relative;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.flow-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
    width: 140px;
}

.flow-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid #ccc;
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8rem;
    font-weight: bold;
    color: #ccc;
    margin-bottom: 10px;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}