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

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e0e0e0;
    z-index: 1000;
    transition: all 0.3s ease;
}

ruby {
    text-align: center;
}

rt {
    font-size: 0.6rem;
    margin-bottom: -8px;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: #F39E98;
}

.nav {
    display: flex;
    gap: 30px;
}

.nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}


/* メインビジュアル */
.mv {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #6085A8 0%, #F39E98 100%);
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.mv .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.mv-content h2 {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.accent {
    color: #F39E98;
}

.mv-text {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.mv-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    background: #F39E98;
    color: #333;
}

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

.phone-mockup {
    position: relative;
    max-width: 300px;
    margin: 0 auto;
}

.phone-content {
    background: #1f2937;
    border-radius: 30px;
    padding: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.app-screen {
    background: white;
    border-radius: 20px;
    padding: 15px;
    padding-bottom: 60px;
    min-height: 450px;
    position: relative;
}

.calendar-ui {
    text-align: center;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.app-header {
    background: transparent;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    margin-bottom: 15px;
}

.hamburger-menu {
    font-size: 18px;
    color: #6b7280;
    cursor: pointer;
}

.month-title {
    font-size: 16px;
    font-weight: 600;
    color: #1f2937;
}

.header-spacer {
    width: 18px;
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 5px;
    margin-bottom: 10px;
}

.weekday {
    text-align: center;
    font-weight: 600;
    font-size: 12px;
    color: #6b7280;
    padding: 6px;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 3px;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-weight: 600;
    font-size: 16px;
    color: #374151;
    background: #f9fafb;
    transition: all 0.3s ease;
}

.calendar-day.active {
    background: #F39E98;
    color: white;
}

.calendar-day.shift {
    background: #F39E98;
    color: #333;
}

.calendar-day.empty {
    background: transparent;
    border: none;
}

.bottom-nav {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 12px 0;
    margin-top: auto;
    border-top: 1px solid #e5e7eb;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    border-radius: 0 0 20px 20px;
}

.nav-icon {
    font-size: 20px;
    padding: 8px;
}

.section-title {
    text-align: center;
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    margin-bottom: 60px;
    color: #1f2937;
}

.solution {
    padding: 100px 0;
    background: #f8fafc;
}

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

.solution-item {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.solution-item:hover {
    transform: translateY(-10px);
}

.solution-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.solution-item h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1f2937;
}

.solution-item p {
    color: #6b7280;
    line-height: 1.6;
}


@keyframes slideIn {
    from { transform: translateX(-5px); }
    to { transform: translateX(5px); }
}


/* 価格セクション */
.price {
    padding: 100px 0;
    background: #f8fafc;
    text-align: center;
}


.contact-text {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.9;
}

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

/* フッター */
.footer {
    background: #1f2937;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 40px;
    align-items: center;
    padding-bottom: 40px;
    border-bottom: 1px solid #374151;
}

.footer-logo h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: #F39E98;
}

.footer-logo p {
    color: #9ca3af;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
}

.footer-bottom p {
    color: #6b7280;
}

/* レスポンシブデザイン */
@media (max-width: 1024px) {
    .mv .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        transition: transform 0.3s ease;
        z-index: 999;
    }




    .mv {
        padding: 100px 0 60px;
        min-height: auto;
    }

    .mv-buttons {
        justify-content: center;
    }

    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }

    .btn-large {
        padding: 15px 30px;
        font-size: 16px;
    }

    .solution-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .solution-item {
        padding: 30px 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }

    .footer-links {
        justify-content: center;
        flex-wrap: wrap;
        gap: 20px;
    }

    .contact-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .mv-content h2 {
        font-size: 32px;
    }

    .section-title {
        font-size: 28px;
        margin-bottom: 40px;
    }

    .concept {
        padding: 60px 0;
    }


    .phone-mockup {
        max-width: 250px;
    }

    .demo-calendar {
        gap: 10px;
    }

    .demo-day {
        width: 35px;
        height: 35px;
        font-size: 16px;
    }
}