@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Noto+Sans+JP:wght@400;500;700&display=swap');

:root {
    --page-bg: #ffffff;
    --page-text: #1d2329;
    --page-muted: #5d6670;
    --page-line: #dce2e7;
    --page-blue: #2e6fb3;
    --page-blue-dark: #1e507f;
    --page-hover: #f4f8fc;
    --page-font: 'Inter', 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
}

* { box-sizing: border-box; }

body.subpage {
    min-width: 0;
    margin: 0;
    background: var(--page-bg);
    color: var(--page-text);
    font-family: var(--page-font);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

.page-shell {
    min-height: 100vh;
    max-width: 1120px;
    margin: 0 auto;
}

.site-header {
    padding: 48px 32px 26px;
    border-top: 4px solid var(--page-blue);
}

.site-title {
    display: inline-block;
    margin: 0;
    padding: 18px 28px;
    border: 1px solid var(--page-text);
    border-bottom: 4px solid var(--page-blue);
    color: var(--page-text);
    font-size: clamp(1.45rem, 2.4vw, 1.9rem);
    font-weight: 700;
    letter-spacing: 0.04em;
    line-height: 1.35;
    white-space: nowrap;
}

.site-title a { color: inherit; text-decoration: none; }

.site-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    margin-top: 18px;
    font-size: 0.9rem;
}

.site-nav a,
.text-link,
.back-link {
    color: var(--page-blue);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.2em;
}

.site-nav a { white-space: nowrap; }

.site-nav a[aria-current='page'] {
    color: var(--page-text);
    font-weight: 700;
    text-decoration-color: var(--page-blue);
}

.site-nav a:hover,
.text-link:hover,
.back-link:hover { color: var(--page-blue-dark); }

.site-nav a:focus-visible,
.text-link:focus-visible,
.back-link:focus-visible,
.site-title a:focus-visible {
    outline: 2px solid var(--page-blue);
    outline-offset: 3px;
}

.page-main {
    width: min(100%, 760px);
    padding: 32px 32px 72px;
}

.page-title {
    width: fit-content;
    margin: 0 0 30px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--page-blue);
    font-size: clamp(1.35rem, 2.5vw, 1.7rem);
    letter-spacing: 0.04em;
}

.page-intro {
    max-width: 46rem;
    margin: 0 0 42px;
    color: var(--page-muted);
}

.about-section {
    max-width: 46rem;
    padding: 0 0 30px;
    border-bottom: 1px solid var(--page-line);
}

.about-section + .about-section { padding-top: 30px; }

.about-section h2 {
    margin: 0 0 12px;
    font-size: 1rem;
    letter-spacing: 0.08em;
}

.about-section p { margin: 0; }
.about-section p + p { margin-top: 14px; }

.about-content-cyberpunk { display: none; }
.about-content-normal[hidden],
.about-content-cyberpunk[hidden] { display: none !important; }
.about-title-cyberpunk { display: none; }

html.cyberpunk-mode .about-content-normal { display: none; }
html.cyberpunk-mode .about-content-cyberpunk { display: block; }
html.cyberpunk-mode .about-title-normal { display: none; }
html.cyberpunk-mode .about-title-cyberpunk { display: inline; }
html.cyberpunk-mode .about-intro { display: none; }

.about-content-cyberpunk h3 {
    margin: 28px 0 12px;
    color: var(--page-blue);
    font-size: 0.95rem;
    letter-spacing: 0.08em;
}

.recipe-name {
    margin-bottom: 22px !important;
    color: var(--page-text);
    font-size: 1.1rem;
    font-weight: 700;
}

.ingredient-list {
    display: grid;
    gap: 0;
    margin: 0;
    border-top: 1px solid var(--page-line);
}

.ingredient-list div {
    display: grid;
    grid-template-columns: minmax(9rem, 0.8fr) minmax(0, 1.2fr);
    gap: 12px;
    padding: 9px 12px;
    border-bottom: 1px solid var(--page-line);
}

.ingredient-list dt { font-weight: 700; }
.ingredient-list dd { margin: 0; color: var(--page-muted); }
.recipe-subnote { margin-top: 10px !important; color: var(--page-muted); font-size: 0.9rem; }

.recipe-steps,
.comparison-list {
    margin: 0;
    padding-left: 1.6rem;
}

.recipe-steps li,
.comparison-list li {
    padding: 0 0 20px 10px;
}

.recipe-steps li + li,
.comparison-list li + li { padding-top: 20px; border-top: 1px solid var(--page-line); }
.recipe-steps strong { color: var(--page-text); }
.recipe-steps p { margin-top: 8px !important; }
.comparison-list h3 { margin-top: 0; color: var(--page-text); }
.comparison-list strong { color: var(--page-blue); }

.recipe-tip,
.comparison-summary {
    margin-top: 8px;
    padding: 16px;
    border-left: 3px solid var(--page-blue);
    background: var(--page-hover);
}

.recipe-tip h3 { margin-top: 0; }
.recipe-tip p { margin-top: 0 !important; }
.recipe-disclaimer { margin-top: 20px !important; color: var(--page-muted); font-size: 0.9rem; }

.updates-list {
    max-width: 46rem;
    margin: 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--page-line);
}

.updates-list li {
    display: grid;
    grid-template-columns: 7.5rem minmax(0, 1fr);
    gap: 0 18px;
    padding: 16px 0;
    border-bottom: 1px solid var(--page-line);
}

.updates-list time {
    color: var(--page-muted);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.update-text { overflow-wrap: anywhere; }

.back-link {
    display: inline-block;
    margin-top: 38px;
}

.page-footer {
    padding: 28px 32px 36px;
    border-top: 1px solid var(--page-line);
    color: var(--page-muted);
    font-size: 0.8rem;
}

/* トップの裏テーマと同じ配色を、通常ページにも最低限だけ適用する。 */
html.cyberpunk-mode {
    --page-bg: #0b0618;
    --page-text: #dff6ff;
    --page-muted: #aeb2dc;
    --page-line: #2a1a45;
    --page-blue: #00f0ff;
    --page-blue-dark: #ff79ba;
    --page-hover: #211034;
}

html.cyberpunk-mode .site-header {
    border-top-color: #00f0ff;
}

html.cyberpunk-mode .site-title {
    border-color: #00f0ff;
    border-bottom-color: #ff2e88;
    box-shadow: 4px 4px 0 #ff2e88, 0 0 18px rgba(0, 240, 255, 0.35);
}

html.cyberpunk-mode .site-nav a[aria-current='page'] {
    color: var(--page-text);
    text-decoration-color: #ff2e88;
}

@media (max-width: 599px) {
    .site-header { padding: 32px 20px 22px; }
    .site-title { padding: 15px 20px; }
    .page-main { padding: 24px 20px 56px; }
    .page-footer { padding: 24px 20px 32px; }
    .updates-list li { grid-template-columns: 1fr; gap: 2px; }
    .ingredient-list div { grid-template-columns: 1fr; gap: 2px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; }
}