:root {
    --navy: #1A365D;
    --navy-dark: #102A43;
    --navy-light: #2A4365;
    --gold: #C5A059;
    --text-dark: #2D3748;
    --text-light: #4A5568;
    --bg-light: #F7FAFC;
    --white: #FFFFFF;
    --border: #E2E8F0;

    --font-serif: 'Shippori Mincho', serif;
    --font-sans: 'Noto Sans JP', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    line-height: 1.8;
    background-color: var(--white);
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 40px;
}

.section {
    padding: 100px 0;
}

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

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

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

/* Typography */
h2,
h3,
h4 {
    font-family: var(--font-serif);
    font-weight: 700;
}

.section-title {
    font-size: 1rem;
    letter-spacing: 0.2em;
    color: var(--navy);
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background-color: var(--navy);
}

.section-title--white {
    color: var(--white);
}

.section-title--white::after {
    background-color: var(--white);
}

/* Header */
.header {
    height: 80px;
    background-color: rgba(255, 255, 255, 0.95);
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}

.container--header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.header__logo {
    font-size: 1.5rem;
    color: var(--navy);
}

.header__nav-list {
    display: flex;
    list-style: none;
    align-items: center;
}

.header__nav-link {
    text-decoration: none;
    color: var(--text-dark);
    margin-left: 30px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s;
}

.header__nav-link:hover {
    color: var(--navy);
}

.header__contact-btn {
    text-decoration: none;
    background-color: var(--navy);
    color: var(--white);
    padding: 10px 24px;
    border-radius: 4px;
    margin-left: 40px;
    font-size: 0.9rem;
    transition: background-color 0.3s;
}

.header__contact-btn:hover {
    background-color: var(--navy-dark);
}

/* Hero */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
}

.hero__image-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero__image-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(255, 255, 255, 0.95) 30%, rgba(255, 255, 255, 0.2) 100%);
}

.hero__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero__content {
    max-width: 600px;
    margin-left: 0;
}

.hero__title {
    font-size: 3rem;
    line-height: 1.3;
    color: var(--navy);
    margin-bottom: 24px;
}

.hero__subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
}

/* Sub Hero */
.hero-sub {
    padding: 160px 0 80px;
    background-color: var(--navy);
    color: var(--white);
    text-align: center;
}

.hero-sub__title {
    font-size: 2.5rem;
    margin-bottom: 8px;
}

.hero-sub__subtitle {
    font-size: 1rem;
    letter-spacing: 0.2em;
    opacity: 0.8;
}

/* Training Details */
.grid-two-col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.details-card {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.details-card__title {
    color: var(--navy);
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--gold);
    display: inline-block;
}

.check-list {
    list-style: none;
}

.check-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 16px;
}

.check-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--gold);
    font-weight: bold;
}

.lead-text {
    font-size: 1.25rem;
    font-weight: 500;
    line-height: 1.6;
    color: var(--navy);
    margin-bottom: 24px;
}

/* Timeline */
.points-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    margin-bottom: 40px;
    align-items: flex-start;
}

.timeline-number {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--gold);
    width: 80px;
    flex-shrink: 0;
    line-height: 1;
}

.timeline-content {
    flex-grow: 1;
    padding-top: 8px;
}

.timeline-title {
    font-size: 1.25rem;
    color: var(--navy);
    margin-bottom: 8px;
}

/* Mission */
.mission {
    text-align: center;
}

.mission__text {
    max-width: 700px;
    margin: 0 auto;
}

.mission__text p {
    margin-bottom: 24px;
    font-size: 1.1rem;
}

/* Services */
.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background-color: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-card__title {
    font-size: 1.2rem;
    color: var(--navy);
    margin-bottom: 20px;
    line-height: 1.4;
}

.service-card__desc {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 20px;
}

.service-card__link {
    display: inline-block;
    color: var(--navy);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.service-card__link:hover {
    color: var(--gold);
}

/* Company */
.company__content {
    background-color: var(--bg-light);
    padding: 60px;
    border-radius: 8px;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.info-item {
    display: flex;
    border-bottom: 1px solid var(--border);
    padding-bottom: 16px;
}

.info-item dt {
    width: 150px;
    font-weight: 700;
    color: var(--navy);
    flex-shrink: 0;
}

.info-item dd {
    flex-grow: 1;
}

/* Contact */
.contact {
    text-align: center;
}

.contact__text {
    margin-bottom: 30px;
}

.contact__email {
    font-size: 1.5rem;
    font-weight: 700;
}

.contact__email a {
    color: var(--white);
    text-decoration: underline;
    text-underline-offset: 8px;
}

/* Footer */
.footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--border);
}

.footer__copyright {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .hero__title {
        font-size: 2rem;
    }

    .services__grid {
        grid-template-columns: 1fr;
    }

    .header__nav {
        display: none;
    }

    .info-item {
        flex-direction: column;
        gap: 8px;
    }

    .info-item dt {
        width: 100%;
    }

    /* Sub page responsive */
    .grid-two-col {
        grid-template-columns: 1fr;
        gap: 20px;
    }

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

    .timeline-item {
        flex-direction: column;
    }

    .timeline-number {
        margin-bottom: 8px;
    }
}