:root {
    --ink: #111;
    --muted: #6f6a63;
    --line: #e7e2da;
    --paper: #fff;
    --paper-2: #f7f4ef;
    --dark: #0a0808;
    --dark-2: #161210;
    --accent: #c8102e;
    --gold: #d9b36c;
    --wrap: 1200px;
    --narrow: 760px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", system-ui, -apple-system, "Segoe UI", sans-serif;
    font-feature-settings: "palt";
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

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

img {
    display: block;
    max-width: 100%;
    height: auto;
}

button,
input {
    font: inherit;
}

.wrap {
    width: min(var(--wrap), calc(100% - 48px));
    margin-inline: auto;
}

.wrap-narrow {
    width: min(var(--narrow), calc(100% - 48px));
    margin-inline: auto;
}

/* ---------- header ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--dark);
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 32px;
    min-height: 76px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.brand-mark {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.5);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.brand-text {
    display: flex;
    flex-direction: column;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.18em;
    line-height: 1.2;
}

.brand-text small {
    margin-top: 3px;
    color: rgba(255, 255, 255, 0.55);
    font-size: 8px;
    font-weight: 500;
    letter-spacing: 0.18em;
}

.nav {
    display: flex;
    gap: 24px;
    margin-left: auto;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.nav a {
    padding: 8px 0;
    border-bottom: 1px solid transparent;
    color: rgba(255, 255, 255, 0.78);
    transition: 0.2s;
}

.nav a:hover {
    border-color: var(--accent);
    color: #fff;
}

.search {
    display: flex;
    align-items: center;
    height: 36px;
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.search input {
    width: 150px;
    padding: 0 10px;
    border: 0;
    outline: none;
    background: transparent;
    color: #fff;
    font-size: 12px;
}

.search input::placeholder {
    color: rgba(255, 255, 255, 0.45);
}

.search button {
    padding: 0 12px;
    border: 0;
    background: transparent;
    color: #fff;
    cursor: pointer;
    font-size: 16px;
}

/* ---------- hero ---------- */

.hero {
    padding: 56px 0 64px;
    background: var(--dark);
    color: #fff;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
    align-items: center;
}

.hero-media {
    display: block;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    background: var(--dark-2);
}

.hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s;
}

.hero-media:hover img {
    transform: scale(1.03);
}

.hero-body h1 {
    margin: 14px 0 18px;
    font-size: clamp(28px, 4vw, 52px);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.hero-body h1 a:hover {
    color: var(--gold);
}

.hero-excerpt {
    max-width: 56ch;
    color: rgba(255, 255, 255, 0.68);
    font-size: 15px;
}

.eyebrow {
    display: inline-block;
    color: var(--accent);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.eyebrow.light {
    color: var(--gold);
}

.meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    color: var(--muted);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.meta.light {
    color: rgba(255, 255, 255, 0.5);
}

.button {
    display: inline-block;
    margin-top: 22px;
    padding: 12px 24px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.button:hover {
    background: #fff;
    color: var(--dark);
}

.button.dark {
    border-color: var(--ink);
    color: var(--ink);
}

.button.dark:hover {
    background: var(--ink);
    color: #fff;
}

/* ---------- sections / cards ---------- */

.section {
    padding: 64px 0;
}

.section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 28px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line);
}

.section-head h2 {
    margin: 0;
    font-size: 13px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.section-head p {
    margin: 0;
    color: var(--muted);
    font-size: 12px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 36px 28px;
}

.card {
    min-width: 0;
}

.card-media {
    display: block;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    margin-bottom: 14px;
    background: var(--paper-2);
}

.card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.card:hover .card-media img {
    transform: scale(1.04);
}

.card-title {
    margin: 8px 0;
    font-size: 17px;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.45;
}

.card-title a:hover {
    color: var(--accent);
}

.placeholder {
    display: block;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a1614, #2a2420);
}

/* ---------- article ---------- */

.article {
    padding-bottom: 24px;
}

.article-head {
    padding: 56px 0 32px;
}

.article-head h1 {
    margin: 14px 0 18px;
    font-size: clamp(28px, 4.4vw, 54px);
    letter-spacing: -0.02em;
    line-height: 1.18;
}

.lede {
    margin: 0 0 20px;
    color: var(--muted);
    font-size: 17px;
    line-height: 1.7;
}

.article-hero {
    margin: 8px auto 40px;
}

.article-hero img {
    width: 100%;
    max-height: 680px;
    object-fit: cover;
}

.article-body {
    color: #1c1a18;
    font-size: 16px;
    line-height: 1.95;
}

.article-body > * + * {
    margin-top: 1.2em;
}

.article-body h2 {
    margin-top: 2.4em;
    padding-left: 14px;
    border-left: 3px solid var(--accent);
    font-size: 24px;
    line-height: 1.4;
}

.article-body h3 {
    margin-top: 2em;
    font-size: 19px;
}

.article-body h4 {
    font-size: 17px;
}

.article-body p {
    margin: 0;
}

.article-body a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.article-body img {
    margin: 24px auto;
}

.article-body figure {
    margin: 28px 0;
}

.article-body figcaption {
    margin-top: 8px;
    color: var(--muted);
    font-size: 12px;
    text-align: center;
}

.article-body blockquote {
    margin: 28px 0;
    padding: 8px 0 8px 20px;
    border-left: 3px solid var(--line);
    color: #444;
}

.article-body ul,
.article-body ol {
    padding-left: 1.4em;
}

.article-body li + li {
    margin-top: 0.4em;
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.article-body th,
.article-body td {
    padding: 10px 12px;
    border: 1px solid var(--line);
}

.article-body iframe,
.article-body video {
    max-width: 100%;
}

.article-body hr {
    margin: 40px 0;
    border: 0;
    border-top: 1px solid var(--line);
}

.article-body .toc,
.article-body #toc-np-container {
    margin: 32px 0;
    padding: 20px 24px;
    background: var(--paper-2);
}

.article-body #toc-np-title {
    margin: 0 0 8px;
    font-weight: 700;
}

.article-body ul.no-bullets {
    padding-left: 0;
    list-style: none;
}

.article-body ul.no-bullets li {
    margin: 4px 0;
    font-size: 14px;
}

.article-body .toc-np-number {
    margin-right: 6px;
    color: var(--accent);
}

.article-body .form-placeholder {
    padding: 24px;
    border: 1px dashed var(--line);
    color: var(--muted);
    font-size: 14px;
    text-align: center;
}

.article-foot {
    padding: 40px 0 64px;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 32px;
}

.tags a {
    padding: 5px 10px;
    border: 1px solid var(--line);
    color: var(--muted);
    font-size: 12px;
}

.tags a:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.author-box {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: var(--paper-2);
}

.avatar {
    display: grid;
    width: 52px;
    height: 52px;
    flex-shrink: 0;
    place-items: center;
    border-radius: 50%;
    background: var(--dark);
    color: #fff;
    font-size: 20px;
}

.author-name {
    font-weight: 700;
}

.author-box p {
    margin: 6px 0 0;
    color: var(--muted);
    font-size: 13px;
}

/* ---------- archive / search ---------- */

.archive-head {
    padding: 56px 0 28px;
    border-bottom: 1px solid var(--line);
}

.archive-head h1 {
    margin: 10px 0 12px;
    font-size: clamp(28px, 4vw, 44px);
}

.search.large {
    max-width: 480px;
    margin-top: 20px;
    border-color: var(--line);
}

.search.large input {
    width: 100%;
    color: var(--ink);
}

.search.large input::placeholder {
    color: #aaa;
}

.search.large button {
    color: var(--ink);
}

.notfound {
    padding: 100px 0;
    text-align: center;
}

.notfound h1 {
    margin: 12px 0;
    font-size: clamp(28px, 4vw, 44px);
}

/* ---------- pagination ---------- */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-top: 56px;
    font-size: 12px;
    letter-spacing: 0.08em;
}

.pagination a {
    border-bottom: 1px solid var(--ink);
    padding-bottom: 2px;
}

.pagination .disabled {
    color: #bbb;
}

.pagination .page-count {
    color: var(--muted);
}

/* ---------- footer ---------- */

.site-footer {
    margin-top: 40px;
    padding: 48px 0 24px;
    background: var(--dark);
    color: #fff;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 32px;
}

.footer-brand {
    font-weight: 700;
    letter-spacing: 0.18em;
}

.footer-inner p {
    margin: 6px 0 0;
    color: rgba(255, 255, 255, 0.5);
    font-size: 12px;
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 12px;
}

.footer-bottom {
    margin-top: 36px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.4);
    font-size: 11px;
}

/* ---------- responsive ---------- */

@media (max-width: 960px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .nav {
        display: none;
    }

    .search {
        margin-left: auto;
    }
}

@media (max-width: 640px) {
    .wrap,
    .wrap-narrow {
        width: calc(100% - 32px);
    }

    .header-inner {
        min-height: 64px;
        gap: 16px;
    }

    .brand-text small {
        display: none;
    }

    .search input {
        width: 90px;
    }

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

    .hero {
        padding: 32px 0 40px;
    }

    .section {
        padding: 40px 0;
    }

    .article-head {
        padding: 36px 0 24px;
    }

    .article-body {
        font-size: 15px;
        line-height: 1.9;
    }

    .footer-inner {
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        scroll-behavior: auto !important;
        transition: none !important;
    }
}

/* ---------- contact form ---------- */

.contact-page {
    padding: 56px 0 80px;
}

.contact-page h1 {
    margin: 10px 0 16px;
    font-size: clamp(28px, 4vw, 44px);
}

.contact-form {
    margin-top: 32px;
}

.contact-form .field {
    display: block;
    margin-bottom: 20px;
}

.contact-form .field > span {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 600;
}

.contact-form .field em {
    margin-left: 6px;
    color: var(--accent);
    font-size: 10px;
    font-style: normal;
    letter-spacing: 0.08em;
    vertical-align: middle;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 0;
    outline: none;
    background: #fff;
    color: var(--ink);
    font-size: 15px;
    transition: border-color 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--ink);
}

.contact-form textarea {
    resize: vertical;
    line-height: 1.7;
}

.contact-form .hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.form-note {
    margin-top: 18px;
    color: var(--muted);
    font-size: 12px;
}

.form-errors {
    margin-bottom: 24px;
    padding: 16px 20px;
    border-left: 3px solid var(--accent);
    background: #fdf3f4;
    color: #8a1220;
    font-size: 13px;
}

.form-errors p {
    margin: 0 0 6px;
    font-weight: 700;
}

.form-errors ul {
    margin: 0;
    padding-left: 1.2em;
}

/* ---------- responsive images ---------- */

.hero-media picture,
.card-media picture {
    display: block;
    width: 100%;
    height: 100%;
}

.article-hero picture,
.article-body picture {
    display: block;
}