:root {
    --paper-bg: #ffffff;
    --paper-text: #1a1a1a;
    --paper-muted: #6b6b6b;
    --paper-line: #e3e3e3;
    --paper-accent: #10284a;
    --paper-serif: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
    --paper-mono: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
}

body.post-type-archive-papers,
body.single-papers {
    background: var(--paper-bg) !important;
    color: var(--paper-text) !important;
    min-height: 100vh;
}

body.post-type-archive-papers #secondary,
body.single-papers #secondary,
body.post-type-archive-papers .sidebar,
body.single-papers .sidebar,
body.post-type-archive-papers aside.widget-area,
body.single-papers aside.widget-area {
    display: none !important;
}

body.post-type-archive-papers #primary,
body.single-papers #primary,
body.post-type-archive-papers .content-area,
body.single-papers .content-area,
body.post-type-archive-papers #content,
body.single-papers #content,
body.post-type-archive-papers .site-content,
body.single-papers .site-content,
body.post-type-archive-papers .site-main,
body.single-papers .site-main {
    float: none !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
}

body.post-type-archive-papers #page,
body.single-papers #page,
body.post-type-archive-papers .site,
body.single-papers .site {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

body.post-type-archive-papers #content,
body.single-papers #content,
body.post-type-archive-papers .site-content,
body.single-papers .site-content,
body.post-type-archive-papers #primary,
body.single-papers #primary,
body.post-type-archive-papers .content-area,
body.single-papers .content-area {
    flex: 1 0 auto;
}

body.post-type-archive-papers .site-footer,
body.single-papers .site-footer,
body.post-type-archive-papers footer,
body.single-papers footer {
    margin-top: auto;
}

.aixis-papers {
    width: min(1280px, calc(100% - 72px));
    margin: 0 auto;
    padding: 52px 0 80px;
    font-family: var(--paper-serif);
    color: var(--paper-text);
    line-height: 1.8;
}

.aixis-skeleton {
    display: none;
    margin-bottom: 24px;
}

.aixis-skeleton-line,
.aixis-skeleton-row {
    border-radius: 2px;
    background: linear-gradient(90deg, #efefef 25%, #e5e5e5 37%, #efefef 63%);
    background-size: 400% 100%;
    animation: paper-skeleton 1.2s ease infinite;
}

.aixis-skeleton-line {
    height: 14px;
    margin-bottom: 10px;
}

.skeleton-title {
    width: 56%;
    height: 28px;
    margin-bottom: 18px;
}

.skeleton-copy {
    width: 80%;
}

.skeleton-copy.short {
    width: 64%;
    margin-bottom: 20px;
}

.aixis-skeleton-row {
    width: 100%;
    height: 84px;
    margin-bottom: 10px;
}

@keyframes paper-skeleton {
    0% {
        background-position: 100% 0;
    }
    100% {
        background-position: 0 0;
    }
}

html.aixis-papers-js .aixis-skeleton {
    display: block;
}

html.aixis-papers-js .aixis-page-content {
    opacity: 0;
    visibility: hidden;
    height: 0;
    overflow: hidden;
}

html.aixis-papers-ready .aixis-skeleton {
    display: none;
}

html.aixis-papers-ready .aixis-page-content {
    opacity: 1;
    visibility: visible;
    height: auto;
    overflow: visible;
}

.papers-header {
    border-bottom: 1px solid var(--paper-line);
    padding-bottom: 24px;
    margin-bottom: 10px;
}

.papers-main-title {
    margin: 0;
    font-family: var(--paper-serif);
    font-size: clamp(1.7rem, 4.1vw, 2.35rem);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: 0.01em;
}

.papers-philosophy {
    width: min(920px, 100%);
    margin: 16px 0 0;
    color: #3f3f3f;
    font-size: clamp(0.95rem, 1.6vw, 1.08rem);
}

.paper-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 26px;
    margin-top: 20px;
}

.paper-filter-link {
    display: inline-block;
    font-family: var(--paper-mono);
    font-size: 0.78rem;
    color: #4c4c4c;
    text-decoration: none;
    padding: 2px 1px;
}

.paper-filter-link:hover,
.paper-filter-link.is-active {
    color: var(--paper-accent);
    text-decoration: underline;
}

.paper-list {
    margin: 0;
}

.paper-row {
    display: grid;
    grid-template-columns: minmax(140px, 220px) 1fr minmax(120px, 160px);
    gap: 18px;
    align-items: start;
    border-bottom: 1px solid var(--paper-line);
    padding: 22px 0;
    transition: background-color 180ms ease;
}

.paper-row:hover {
    background: #f5f5f5;
}

.paper-index,
.paper-meta-line,
.paper-meta,
.paper-author,
.paper-link,
.paper-kicker {
    font-family: var(--paper-mono);
}

.paper-index {
    margin: 2px 0 0;
    font-size: 0.83rem;
    color: #2b2b2b;
}

.paper-col-main {
    min-width: 0;
}

.paper-title {
    margin: 0;
    font-family: var(--paper-serif);
    font-size: clamp(1.12rem, 2.3vw, 1.55rem);
    font-weight: 700;
    line-height: 1.45;
}

.paper-title a {
    color: var(--paper-text);
    text-decoration: none;
}

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

.paper-meta-line {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin: 8px 0 8px;
    color: var(--paper-muted);
    font-size: 0.76rem;
}

.paper-meta,
.paper-author {
    color: var(--paper-muted);
}

.paper-meta-sep {
    color: #999;
    font-size: 0.72rem;
}

.paper-abstract {
    margin: 0;
    color: #808080;
    font-size: 0.92rem;
    line-height: 1.82;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.paper-col-link {
    text-align: right;
    padding-top: 4px;
}

.paper-link {
    color: var(--paper-accent);
    text-decoration: none;
    font-size: 0.78rem;
    letter-spacing: 0.02em;
}

.paper-link:hover {
    text-decoration: underline;
}

.paper-pagination {
    margin-top: 28px;
    font-family: var(--paper-mono);
    font-size: 0.84rem;
}

.paper-empty {
    margin: 16px 0 0;
    color: var(--paper-muted);
}

.paper-hero {
    border-bottom: 1px solid var(--paper-line);
    padding-bottom: 24px;
    margin-bottom: 26px;
}

.paper-kicker {
    margin: 0 0 10px;
    color: var(--paper-accent);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.paper-hero h1 {
    margin: 0 0 14px;
    font-family: var(--paper-serif);
    font-size: clamp(2rem, 6vw, 4.4rem);
    font-weight: 700;
    line-height: 1.16;
    letter-spacing: 0.01em;
}

.paper-section {
    margin-top: 28px;
}

.paper-section h2 {
    margin: 0 0 12px;
    font-family: var(--paper-mono);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.paper-body-text p {
    margin: 0 0 1.1em;
    font-size: 1rem;
}

.paper-abstract-panel {
    background: #f7f7f7;
    border-left: 6px solid var(--paper-accent);
    padding: 18px 20px 18px 22px;
}

.paper-abstract-panel .paper-body-text p {
    font-size: 1.02rem;
}

.paper-preview-panel {
    border: 1px solid #ededed;
    background: #fcfcfc;
    padding: 16px 18px;
}

.paper-preview-image {
    display: block;
    width: 100%;
    height: auto;
}

.paper-preview-text {
    color: #535353;
}

.paper-preview-empty {
    border-left: 4px solid #d2d2d2;
    padding-left: 12px;
}

.paper-download-gate {
    border-top: 1px solid var(--paper-line);
    padding-top: 24px;
}

.paper-download-intro {
    margin: 0 0 14px;
    color: #404040;
}

.paper-download-gate .wpcf7 form {
    display: grid;
    gap: 10px;
    max-width: 540px;
}

.paper-download-gate .wpcf7 input[type="email"] {
    width: 100%;
    border: 0.5px solid #d8d8d8;
    border-radius: 0;
    padding: 10px 12px;
    background: #fff;
    color: var(--paper-text);
    font-family: var(--paper-mono);
    font-size: 0.88rem;
    box-sizing: border-box;
}

.paper-download-gate .wpcf7 input[type="submit"] {
    border: 1px solid #000;
    border-radius: 0;
    background: #000;
    color: #fff;
    padding: 11px 16px;
    cursor: pointer;
    font-family: var(--paper-mono);
    font-size: 0.82rem;
    letter-spacing: 0.02em;
}

.paper-download-gate .wpcf7 input[type="submit"]:hover {
    background: #111;
}

.paper-strategic-box {
    margin-top: 34px;
    position: relative;
    border: 1px solid #1a1a1a;
    background: #ffffff;
    padding: 30px 22px 12px;
}

.paper-strategic-box h2 {
    position: absolute;
    top: -13px;
    left: 14px;
    margin: 0;
    padding: 2px 10px;
    background: #1a1a1a;
    color: #ffffff;
    font-size: 0.76rem;
}

.paper-strategic-box .paper-body-text p {
    color: #1e1e1e;
}

@media (min-width: 768px) {
    .papers-main-title {
        font-size: clamp(1.25rem, 1.8vw, 1.55rem);
    }
}

@media (max-width: 980px) {
    .aixis-papers {
        width: min(100%, calc(100% - 36px));
        padding: 36px 0 56px;
    }

    .paper-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .paper-col-link {
        text-align: left;
        padding-top: 0;
    }
}

@media (max-width: 640px) {
    .aixis-papers {
        width: calc(100% - 24px);
        padding: 24px 0 40px;
    }
}