:root {
    --red: #e63900;
    --orange: #ff8c00;
    --blue: #818cf8;
    --bg: #050505;
    --panel: rgba(255, 255, 255, 0.055);
    --line: rgba(255, 255, 255, 0.12);
    --text: #f8fafc;
    --muted: #a1a1aa;
    --font: "Yu Gothic", "YuGothic", "Hiragino Kaku Gothic ProN", "Meiryo", Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    line-height: 1.8;
}

a {
    color: inherit;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 1px solid var(--line);
    background: rgba(5, 5, 5, 0.9);
    backdrop-filter: blur(16px);
}

.site-header-inner {
    max-width: 1120px;
    min-height: 72px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.logo {
    height: 42px;
    filter: invert(1) brightness(2);
}

.nav-link {
    color: var(--muted);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    text-decoration: none;
}

.hero {
    max-width: 1120px;
    margin: 0 auto;
    padding: 36px 20px 24px;
}

.section-banner {
    width: 100%;
    padding: 12px 20px;
    background: #1d3557;
}

.section-banner-inner {
    max-width: 1120px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

.section-banner-mark {
    color: var(--red);
    font-size: 24px;
    font-weight: 900;
    font-style: italic;
    line-height: 1;
}

.section-banner h1 {
    margin: 0;
    color: #fff;
    font-size: 18px;
    font-weight: 900;
    font-style: italic;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    line-height: 1.3;
}

.eyebrow {
    color: var(--red);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.24em;
    text-transform: uppercase;
}

.hero h2 {
    margin: 10px 0 0;
    font-size: clamp(26px, 4vw, 44px);
    line-height: 1.18;
    letter-spacing: 0;
}

.lead {
    max-width: 760px;
    margin: 20px 0 0;
    color: var(--muted);
    font-size: 17px;
}

.content {
    max-width: 1120px;
    margin: 0 auto;
    padding: 24px 20px 80px;
}

.news-list {
    display: grid;
    gap: 16px;
}

.news-card,
.article-card {
    border: 1px solid var(--line);
    border-left: 6px solid var(--red);
    background: var(--panel);
    padding: 24px;
}

.news-card {
    display: grid;
    grid-template-columns: 160px 1fr auto;
    gap: 20px;
    align-items: start;
    text-decoration: none;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.news-card:hover {
    transform: translateY(-2px);
    border-color: rgba(230, 57, 0, 0.6);
}

.date {
    color: var(--red);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.16em;
}

.label {
    display: inline-block;
    margin-top: 8px;
    padding: 2px 8px;
    background: #fff;
    color: #000;
    font-size: 10px;
    font-weight: 900;
}

.news-title {
    margin: 0;
    font-size: clamp(18px, 3vw, 24px);
    line-height: 1.45;
}

.read-more {
    color: var(--orange);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    white-space: nowrap;
}

.article-card {
    max-width: 920px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 16px;
    align-items: center;
    margin-bottom: 24px;
}

.article-card h2 {
    margin: 36px 0 12px;
    color: var(--orange);
    font-size: 22px;
    line-height: 1.35;
}

.article-card h3 {
    margin: 28px 0 10px;
    color: var(--blue);
    font-size: 18px;
}

.article-card p,
.article-card ul {
    color: #d4d4d8;
}

.article-card ul {
    padding-left: 1.2em;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 18px;
    border: 1px solid var(--line);
    background: rgba(230, 57, 0, 0.16);
    color: #fff;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.1em;
    text-decoration: none;
}

.button.secondary {
    background: transparent;
}

.kv {
    width: 100%;
    height: auto;
    margin: 22px 0;
    border: 1px solid var(--line);
}

.footer {
    border-top: 1px solid var(--line);
    color: var(--muted);
    padding: 32px 20px 56px;
    text-align: center;
    font-size: 12px;
}

@media (max-width: 720px) {
    .site-header-inner {
        min-height: 64px;
    }

    .logo {
        height: 34px;
    }

    .news-card {
        grid-template-columns: 1fr;
    }

    .section-banner h1 {
        font-size: 15px;
        letter-spacing: 0.18em;
    }

    .hero {
        padding-top: 28px;
    }

    .read-more {
        white-space: normal;
    }
}