:root {
    color-scheme: light;
    --bg: #ffffff;
    --line: #d7dbe3;
    --text: #111418;
    --muted: #5b6270;
    --accent: #155eef;
    --accent-strong: #103ea5;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Zen Kaku Gothic Antique", "Yu Gothic UI", sans-serif;
}

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

h1,
h2,
p,
ol,
ul {
    margin: 0;
}

code {
    font-family: "Cascadia Code", "Consolas", monospace;
    font-size: 0.95em;
}

.page {
    width: min(860px, calc(100vw - 56px));
    margin: 0 auto;
    padding: 56px 0 96px;
}

.section {
    display: grid;
    gap: 18px;
}

.media {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: #f7f8fb;
}

.media video {
    display: block;
    width: 100%;
    height: auto;
    background: #eef1f6;
}

.hero {
    display: grid;
    gap: 18px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--line);
}

.section {
    padding: 42px 0;
    border-bottom: 1px solid var(--line);
}

.section:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.brandmark,
.section-label {
    color: var(--accent-strong);
}

.brandmark {
    font-family: "Segoe UI", "Yu Gothic UI", sans-serif;
    font-size: clamp(30px, 4.8vw, 52px);
    font-weight: 700;
    line-height: 1.02;
    letter-spacing: -0.05em;
}

.section-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

h1 {
    max-width: 20em;
    font-size: clamp(23px, 2.8vw, 30px);
    line-height: 1.65;
    letter-spacing: -0.01em;
    font-weight: 400;
}

h2 {
    font-size: 17px;
    line-height: 1.75;
    letter-spacing: -0.01em;
    font-weight: 400;
}

.lede,
.section-copy,
.plain-list {
    color: var(--muted);
    line-height: 2;
    font-size: 14px;
}

.plain-list {
    padding-left: 18px;
}

.plain-list li + li {
    margin-top: 12px;
}

.plain-list--ordered {
    list-style: decimal;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 14px;
    padding-top: 10px;
}

.update-log {
    display: grid;
    gap: 18px;
}

.update-entry {
    display: grid;
    gap: 4px;
}

.update-version {
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    line-height: 2;
    letter-spacing: 0.02em;
}

.update-copy {
    color: var(--muted);
    font-size: 14px;
    line-height: 2;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 16px;
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.button:hover {
    background: #f5f7fb;
}

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

.button--ghost {
    background: #fff;
    color: var(--text);
}

@media (max-width: 640px) {
    .page {
        width: min(100vw - 32px, 860px);
        padding-top: 36px;
        padding-bottom: 72px;
    }

    .hero {
        padding-bottom: 36px;
    }

    .section {
        padding: 34px 0;
    }
}