:root {
    --bench-ink: #17202a;
    --bench-teal: #117c78;
    --bench-teal-dark: #0b5f5c;
    --bench-amber: #d68b1f;
    --bench-paper: #f7f5ef;
}

body {
    color: var(--bench-ink);
    background: #fff;
    font-family: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

#mainNav .navbar-brand,
#mainNav .nav-link {
    letter-spacing: .04em;
}

.masthead.bench-hero {
    background-position: center;
    min-height: 32rem;
}

.masthead.bench-hero::before {
    background: linear-gradient(90deg, rgba(8, 16, 20, .74), rgba(8, 16, 20, .34));
    opacity: 1;
}

.site-heading {
    text-align: left !important;
}

.site-heading h1 {
    font-size: clamp(2.7rem, 8vw, 5.2rem);
    letter-spacing: .04em;
}

.site-heading .subheading {
    max-width: 34rem;
    font-size: clamp(1rem, 2.5vw, 1.35rem);
    line-height: 1.8;
}

.eyebrow,
.tag {
    display: inline-block;
    color: var(--bench-teal-dark);
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.post-preview > a:focus,
.post-preview > a:hover {
    color: var(--bench-teal);
}

.post-preview .post-subtitle {
    margin-top: .65rem;
    color: #52606d;
    font-size: 1.05rem;
    font-weight: 400;
    line-height: 1.75;
}

.post-meta {
    font-family: inherit !important;
    font-size: .9rem !important;
}

.bench-note {
    padding: 1.25rem 1.4rem;
    border-left: .28rem solid var(--bench-amber);
    background: var(--bench-paper);
    font-size: 1rem;
    line-height: 1.8;
}

.article-body h2 {
    margin-top: 2.6rem;
    font-size: 1.55rem;
}

.article-body h3 {
    margin-top: 2rem;
    font-size: 1.2rem;
}

.article-body p,
.article-body li {
    font-size: 1.05rem;
    line-height: 1.95;
}

.article-body code {
    color: #b14422;
}

.checklist li {
    margin-bottom: .65rem;
}

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

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--bench-teal-dark);
    border-color: var(--bench-teal-dark);
}

footer {
    background: var(--bench-paper);
}

@media (max-width: 991.98px) {
    #mainNav {
        background: rgba(255, 255, 255, .97);
    }

    .masthead.bench-hero {
        min-height: 27rem;
    }
}