@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&display=swap");

:root {
    --primary-color: #2563EB;
    --primary-hover: #1D4ED8;
    --line-color: #06C755;
    --line-hover: #05b34c;
    --text-color: #334155;
    --text-light: #64748B;
    --bg-light: #F8FAFC;
    --white: #ffffff;
    --accent-color: #F59E0B;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: "Noto Sans JP", sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--white);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.text-primary {
    color: var(--primary-color);
}

.text-line {
    color: var(--line-color);
    font-weight: bold;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 700;
    transition: all 0.3s ease;
    text-align: center;
    cursor: pointer;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1.1rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    border: 2px solid var(--primary-color);
}

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

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-white {
    background-color: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--white);
}

.btn-white:hover {
    background-color: #f1f5f9;
    color: var(--primary-color);
}

.btn-outline-white {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-outline-white:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 15px 0;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.4rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav a {
    margin-left: 20px;
    font-weight: 500;
    font-size: 0.95rem;
}

.nav a:hover {
    color: var(--primary-color);
}

.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #eff6ff 0%, #ffffff 100%);
    overflow: hidden;
}

.hero-inner {
    display: flex;
    align-items: center;
    gap: 50px;
}

.hero-content {
    flex: 1;
}

.badge-hero {
    display: inline-block;
    background-color: #dbeafe;
    color: var(--primary-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 2.6rem;
    line-height: 1.3;
    margin-bottom: 20px;
    letter-spacing: -0.05rem;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

.hero-note {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 10px;
}

.hero-image {
    flex: 1;
}

.mockup-window {
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    border: 1px solid #e2e8f0;
    max-width: 400px;
    margin: 0 auto;
}

.mockup-header {
    background: #f1f5f9;
    padding: 10px 15px;
    display: flex;
    gap: 6px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #cbd5e1;
}

.mockup-body {
    padding: 20px;
    background-color: #7289DA;
    min-height: 300px;
}

.chat-ui {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.chat-bubble {
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 0.9rem;
    max-width: 85%;
}

.chat-bubble.left {
    background-color: var(--white);
    align-self: flex-start;
    border-top-left-radius: 2px;
}

.chat-bubble.right {
    background-color: #92f5a0;
    align-self: flex-end;
    border-top-right-radius: 2px;
    color: #0d0d0d;
}

.calendar-ui {
    text-align: center;
    margin-top: 10px;
}

.cal-btn {
    background: var(--white);
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: bold;
    color: var(--primary-color);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: inline-block;
}

.section {
    padding: 80px 0;
}

.bg-gray {
    background-color: var(--bg-light);
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 15px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: var(--white);
    padding: 35px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
    border: 1px solid #f1f5f9;
}

.card.border-line {
    border-top: 4px solid var(--line-color);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
}

.icon-line {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.card h3 {
    margin-bottom: 15px;
    font-size: 1.25rem;
    line-height: 1.4;
}

.card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.feature-row {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 100px;
}

.feature-row:last-child {
    margin-bottom: 0;
}

.feature-row.reverse {
    flex-direction: row-reverse;
}

.feature-text {
    flex: 1;
}

.feature-step {
    color: var(--primary-color);
    font-weight: bold;
    font-size: 0.9rem;
    letter-spacing: 0.05rem;
    margin-bottom: 10px;
    display: inline-block;
}

.feature-text h3 {
    font-size: 1.75rem;
    margin-bottom: 20px;
    line-height: 1.4;
}

.feature-img {
    flex: 1;
}

.img-placeholder {
    background-color: #e2e8f0;
    height: 300px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-weight: bold;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    align-items: flex-start;
}

.pricing-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    text-align: center;
    position: relative;
}

.pricing-card.popular {
    border: 2px solid var(--primary-color);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.15);
    transform: scale(1.05);
    z-index: 2;
}

.badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: bold;
}

.plan-name {
    font-size: 1.25rem;
    margin-bottom: 10px;
}

.plan-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 15px;
}

.price {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--text-color);
    margin-bottom: 20px;
}

.price .period {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: normal;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.plan-features li {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 12px 14px;
    font-size: 0.9rem;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.plan-feature-label {
    color: #3b5b8f;
    font-weight: 600;
}

.plan-feature-value {
    color: #0f172a;
    font-weight: 700;
}

.pricing-note {
    text-align: center;
    margin-top: 30px;
    font-size: 0.9rem;
    color: var(--text-light);
}

.cta-section {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 100px 20px;
    background-image: radial-gradient(circle at center, #3b82f6 0%, #2563EB 100%);
}

.cta-section h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
}

.cta-section p {
    margin-bottom: 40px;
    font-size: 1.1rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.footer {
    background-color: #1e293b;
    color: #94a3b8;
    padding: 60px 0 20px;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 1.3rem;
    color: var(--white);
    font-weight: bold;
    margin-bottom: 10px;
}

.footer-links a {
    display: block;
    margin-bottom: 10px;
    color: #cbd5e1;
}

.footer-links a:hover {
    color: var(--white);
}

.copyright {
    text-align: center;
    font-size: 0.8rem;
    border-top: 1px solid #334155;
    padding-top: 20px;
}

@media (max-width: 768px) {
    .hero-inner,
    .feature-row,
    .feature-row.reverse,
    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

    .hero-inner {
        gap: 30px;
    }

    .hero-title {
        font-size: 2rem;
    }
}