*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
:root {
  --white:  #FAFAF7;
  --off:    #F3F2EE;
  --paper:  #ECEAE3;
  --ink:    #0D0D0B;
  --ink2:   #2A2A26;
  --mid:    #7C7B74;
  --faint:  #B8B6AD;
  --line:   rgba(13,13,11,0.10);
  --line2:  rgba(13,13,11,0.045);
  --blue:   #1A3550;
  --blue2:  #E5EBF2;
  --gold:   #8B7355;
}
html { scroll-behavior:smooth; }
body {
  background:var(--white);
  color:var(--ink);
  font-family:'Barlow','Noto Sans JP',sans-serif;
  font-weight:300;
  overflow-x:hidden;
}
::-webkit-scrollbar { width:3px; }
::-webkit-scrollbar-track { background:var(--white); }
::-webkit-scrollbar-thumb { background:var(--faint); }

/* ── NAV ── */
nav {
  position:fixed; top:0; left:0; right:0; z-index:200;
  height:60px; display:flex; align-items:center; padding:0 56px;
  background:rgba(250,250,247,0.94); backdrop-filter:blur(20px);
  border-bottom:1px solid var(--line);
}
.nav-mark { display:flex; align-items:center; gap:14px; text-decoration:none; flex:1; }
.nav-sq {
  width:20px; height:20px; border:1.5px solid var(--ink); position:relative; flex-shrink:0;
}
.nav-sq::after {
  content:''; position:absolute; top:3px; left:3px;
  width:10px; height:10px; background:var(--blue);
}
.nav-wm {
  font-family:'IBM Plex Mono',monospace; font-size:0.68rem;
  letter-spacing:0.14em; text-transform:uppercase; color:var(--ink);
}
.nav-wm span { color:var(--mid); font-weight:300; }
.nav-links { display:flex; gap:0; list-style:none; }
.nav-links li { border-right:1px solid var(--line); }
.nav-links li:first-child { border-left:1px solid var(--line); }
.nav-links a {
  display:block; padding:0 22px; line-height:60px;
  font-family:'IBM Plex Mono',monospace; font-size:0.6rem;
  letter-spacing:0.16em; text-transform:uppercase;
  color:var(--mid); text-decoration:none; transition:color .2s,background .2s;
}
.nav-links a:hover { color:var(--ink); background:var(--off); }
.nav-r { flex:1; display:flex; justify-content:flex-end; }
.nav-coord {
  font-family:'IBM Plex Mono',monospace; font-size:0.56rem;
  letter-spacing:0.1em; color:var(--faint);
}

/* ── HERO ── */
.hero {
  padding-top:60px; min-height:100vh;
  display:grid; grid-template-columns:1fr 1fr; position:relative;
}
.hero::before {
  content:''; position:absolute; inset:0; pointer-events:none;
  background-image:
    linear-gradient(var(--line2) 1px, transparent 1px),
    linear-gradient(90deg, var(--line2) 1px, transparent 1px);
  background-size:60px 60px;
}
.hero-l {
  display:flex; flex-direction:column; justify-content:center;
  padding:80px 64px 80px 56px;
  position:relative; z-index:1;
}
.hero-eyebrow {
  font-family:'IBM Plex Mono',monospace; font-size:0.6rem;
  letter-spacing:0.16em; color:var(--faint); text-transform:uppercase;
  margin-bottom:48px; display:flex; flex-direction:column;
  align-items:flex-start; gap:3px;
}
.hero-h1 {
  font-family:'Playfair Display',serif;
  font-size:clamp(3.2rem,5.5vw,6rem);
  font-weight:400; line-height:1.02; letter-spacing:-0.02em; margin-bottom:4px;
}
.hero-h1 em { font-style:italic; color:var(--blue); }
.hero-h1b {
  font-family:'Playfair Display',serif;
  font-size:clamp(3.2rem,5.5vw,6rem);
  font-weight:400; font-style:italic; line-height:1.02;
  color:var(--faint); margin-bottom:48px;
}
.hero-rule { width:56px; height:2px; background:var(--blue); margin-bottom:32px; }
.hero-desc {
  font-size:0.92rem; line-height:1.95; color:var(--mid);
  max-width:400px; margin-bottom:52px; font-weight:300;
}
.hero-acts { display:flex; }
.btn-p {
  display:inline-flex; align-items:center; gap:10px; padding:14px 28px;
  background:var(--ink); color:var(--white);
  font-family:'IBM Plex Mono',monospace; font-size:0.62rem;
  letter-spacing:0.14em; text-transform:uppercase; text-decoration:none;
  transition:background .2s;
}
.btn-p:hover { background:var(--blue); }
.btn-s {
  display:inline-flex; align-items:center; gap:10px; padding:14px 28px;
  border:1px solid var(--line); border-left:none; color:var(--mid);
  font-family:'IBM Plex Mono',monospace; font-size:0.62rem;
  letter-spacing:0.14em; text-transform:uppercase; text-decoration:none;
  transition:color .2s,background .2s;
}
.btn-s:hover { color:var(--ink); background:var(--off); }

.hero-r {
  background:transparent; display:flex; flex-direction:column;
  position:relative;
}
.hero-viz {
  flex:1; display:flex; align-items:stretch; justify-content:stretch;
  padding:0; position:relative; min-height:420px;
}
.c-label {
  position:absolute; font-family:'IBM Plex Mono',monospace;
  font-size:0.5rem; color:var(--faint); letter-spacing:0.08em;
}
.network-svg { width:100%; max-width:420px; }
.hero-metrics { display:grid; grid-template-columns:repeat(4,1fr); border-top:1px solid var(--line); }
.metric { padding:28px 24px; border-right:1px solid var(--line); }
.metric:last-child { border-right:none; }
.metric-n {
  font-family:'Playfair Display',serif; font-size:2rem; font-weight:400;
  color:var(--blue); line-height:1; margin-bottom:4px;
}
.metric-l {
  font-family:'IBM Plex Mono',monospace; font-size:0.56rem;
  letter-spacing:0.14em; text-transform:uppercase; color:var(--faint);
}

/* ── SECTIONS ── */
section { border-top:1px solid var(--line); }
.sec { max-width:1280px; margin:0 auto; padding:96px 56px; }
.sec-head {
  display:grid; grid-template-columns:200px 1fr;
  gap:48px; margin-bottom:72px; align-items:start;
}
.sec-idx {
  font-family:'IBM Plex Mono',monospace; font-size:0.58rem;
  letter-spacing:0.16em; text-transform:uppercase; color:var(--faint);
  padding-top:10px; display:flex; flex-direction:column; gap:8px;
}
.sec-idx-n {
  font-size:2.5rem; font-family:'Playfair Display',serif; font-weight:400;
  color:var(--paper); line-height:1; letter-spacing:-0.02em;
}
.sec-title {
  font-family:'Playfair Display',serif; font-size:2.4rem;
  font-weight:400; line-height:1.1; letter-spacing:-0.01em; margin-bottom:12px;
}
.sec-title-en {
  font-family:'IBM Plex Mono',monospace; font-size:0.62rem;
  letter-spacing:0.2em; text-transform:uppercase; color:var(--faint);
}

/* ── NEWS ── */
.news-grid {
  display:grid; grid-template-columns:1fr 1fr;
  gap:1px; background:var(--line); border:1px solid var(--line);
}
.news-card {
  background:var(--white); padding:32px 36px;
  display:grid; grid-template-rows:auto 1fr auto; gap:12px;
  transition:background .2s; min-height:160px;
}
.news-card:hover { background:var(--off); }
.news-meta { display:flex; align-items:center; gap:14px; }
.news-date {
  font-family:'IBM Plex Mono',monospace; font-size:0.58rem;
  color:var(--faint); letter-spacing:0.08em;
}
.news-tag {
  font-family:'IBM Plex Mono',monospace; font-size:0.52rem;
  letter-spacing:0.14em; text-transform:uppercase;
  padding:3px 8px; border:1px solid currentColor;
}
.tp { color:var(--blue); } .ta { color:var(--gold); }
.tg { color:#4A7A4A; } .te { color:var(--mid); } .tm { color:#7A4A7A; }
.news-body { font-size:0.85rem; line-height:1.75; color:var(--ink2); }
.news-arrow {
  font-family:'IBM Plex Mono',monospace; font-size:0.58rem;
  color:var(--faint); letter-spacing:0.08em; text-align:right;
}

/* ── RESEARCH ── */
.r-grid {
  display:grid; grid-template-columns:repeat(3,1fr);
  gap:1px; background:var(--line); border:1px solid var(--line);
}
.r-card {
  background:var(--white); padding:40px 36px;
  transition:background .25s; position:relative; overflow:hidden;
}
.r-card::before {
  content:''; position:absolute; top:0; left:0;
  width:3px; height:0; background:var(--blue);
  transition:height .35s cubic-bezier(.23,1,.32,1);
}
.r-card:hover::before { height:100%; }
.r-card:hover { background:var(--off); }
.r-num {
  font-family:'IBM Plex Mono',monospace; font-size:0.55rem;
  letter-spacing:0.16em; color:var(--faint); margin-bottom:28px;
}
.r-formula {
  font-family:'IBM Plex Mono',monospace; font-size:0.7rem;
  color:var(--blue); letter-spacing:0.04em; margin-bottom:20px; opacity:0.6;
}
.r-title-jp { font-size:0.95rem; font-weight:400; line-height:1.5; margin-bottom:6px; }
.r-title-en {
  font-family:'Playfair Display',serif; font-size:0.78rem;
  font-style:italic; color:var(--mid); margin-bottom:20px;
}
.r-desc { font-size:0.78rem; line-height:1.9; color:var(--mid); }

/* ── MEMBERS ── */
.m-grid {
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:1px; background:var(--line); border:1px solid var(--line);
}
.m-card { background:var(--white); transition:background .2s; }
.m-card:hover { background:var(--off); }
.m-photo {
  aspect-ratio:1; background:var(--paper);
  border-bottom:1px solid var(--line);
  display:flex; align-items:center; justify-content:center; position:relative; overflow:hidden;
}
.m-photo::before {
  content:''; position:absolute; inset:0;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:24px 24px;
  z-index:0;
}
.m-photo img {
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover;
  z-index:2;
}
.m-ini {
  font-family:'Playfair Display',serif; font-size:1.8rem;
  font-weight:400; color:var(--faint); position:relative; z-index:1;
}
.m-info { padding:20px 22px 24px; }
.m-role {
  font-family:'IBM Plex Mono',monospace; font-size:0.52rem;
  letter-spacing:0.16em; text-transform:uppercase; color:var(--blue); margin-bottom:7px;
}
.m-name { font-size:0.9rem; font-weight:400; margin-bottom:2px; }
.m-name-en {
  font-family:'Playfair Display',serif; font-size:0.75rem;
  font-style:italic; color:var(--faint); margin-bottom:10px;
}
.m-kw { font-size:0.72rem; color:var(--mid); line-height:1.6; }

/* ── PUBLICATIONS ── */
.pub-filter {
  display:flex; flex-wrap:wrap; border:1px solid var(--line); width:fit-content; margin-bottom:40px;
}
.pub-btn {
  padding:10px 24px; font-family:'IBM Plex Mono',monospace; font-size:0.58rem;
  letter-spacing:0.14em; text-transform:uppercase; color:var(--mid);
  background:none; border:none; border-right:1px solid var(--line); border-bottom:1px solid var(--line);
  cursor:pointer; transition:background .2s,color .2s;
}
.pub-btn:last-child { border-right:none; }
.pub-btn.active,.pub-btn:hover { background:var(--ink); color:var(--white); }
.pub-list { list-style:none; }
.pub-item {
  display:grid; grid-template-columns:80px 56px 1fr 100px;
  gap:0 32px; padding:24px 0; border-bottom:1px solid var(--line);
  align-items:start; transition:background .15s,padding .15s,margin .15s;
}
.pub-item:first-child { border-top:1px solid var(--line); }
.pub-item:hover { background:var(--off); margin:0 -24px; padding:24px; }
.pub-year {
  font-family:'IBM Plex Mono',monospace; font-size:0.6rem;
  color:var(--faint); letter-spacing:0.08em; padding-top:3px;
}
.pub-type {
  font-family:'IBM Plex Mono',monospace; font-size:0.52rem;
  letter-spacing:0.12em; text-transform:uppercase; color:var(--blue); padding-top:4px;
}
.pub-title {
  font-family:'Playfair Display',serif; font-size:1rem;
  font-weight:400; line-height:1.4; margin-bottom:6px;
}

.pub-authors {
  font-family:'IBM Plex Mono',monospace; font-size:0.6rem;
  color:var(--ink); margin-bottom:5px;
}
.pub-venue { font-size:0.75rem; color:var(--blue); font-style:italic; font-family:'Playfair Display',serif; }
.pub-doi {
  font-family:'IBM Plex Mono',monospace; font-size:0.55rem;
  color:var(--faint); letter-spacing:0.06em; text-align:right;
  padding-top:4px; text-decoration:none; transition:color .2s;
}
.pub-doi:hover { color:var(--blue); }

/* ── RESEARCH FRAMEWORK ── */
.fw-wrap {
  max-width:1280px; margin:0 auto; padding:0 56px;
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:1px; background:rgba(240,239,232,0.08);
  border-left:1px solid rgba(240,239,232,0.08);
  border-right:1px solid rgba(240,239,232,0.08);
}
.fw-card {
  padding:56px 40px 60px;
  border-right:1px solid rgba(240,239,232,0.08);
  position:relative; overflow:hidden;
  transition:background .25s;
}
.fw-card:last-child { border-right:none; }
.fw-card:hover { background:rgba(240,239,232,0.04); }
.fw-num {
  font-family:'IBM Plex Mono',monospace; font-size:0.52rem;
  letter-spacing:0.2em; color:rgba(240,239,232,0.22);
  margin-bottom:32px;
}
.fw-icon {
  font-family:'Playfair Display',serif; font-style:italic;
  font-size:3.5rem; font-weight:400; line-height:1;
  color:rgba(240,239,232,0.08);
  position:absolute; top:40px; right:36px;
  letter-spacing:-0.04em;
}
.fw-title {
  font-family:'Playfair Display',serif; font-size:1.4rem;
  font-weight:400; color:rgba(240,239,232,0.85);
  margin-bottom:24px; line-height:1.2;
}
.fw-list {
  list-style:none; padding:0;
}
.fw-list li {
  font-family:'IBM Plex Mono',monospace; font-size:0.62rem;
  line-height:1.9; color:rgba(240,239,232,0.85);
  padding-left:1em; position:relative;
  letter-spacing:0.01em;
}
.fw-list li::before {
  content:'·'; position:absolute; left:0;
  color:var(--gold); font-size:1rem; line-height:1.6;
}

/* ── FOOTER ── */
footer { border-top:1px solid var(--line); background:var(--ink); color:var(--white); }
.ft {
  max-width:1280px; margin:0 auto; padding:80px 56px;
  display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:64px;
}
.ft-sq {
  width:20px; height:20px; border:1.5px solid rgba(240,239,232,0.2);
  position:relative; flex-shrink:0;
}
.ft-sq::after {
  content:''; position:absolute; top:3px; left:3px;
  width:10px; height:10px; background:var(--gold);
}
.ft-mark { display:flex; align-items:center; gap:12px; margin-bottom:24px; }
.ft-brand {
  font-family:'IBM Plex Mono',monospace; font-size:0.72rem;
  letter-spacing:0.14em; text-transform:uppercase; color:rgba(240,239,232,0.6);
}
.ft-addr { font-size:0.8rem; line-height:2; color:rgba(240,239,232,0.35); }
.ft-h {
  font-family:'IBM Plex Mono',monospace; font-size:0.56rem;
  letter-spacing:0.18em; text-transform:uppercase; color:rgba(240,239,232,0.3);
  margin-bottom:20px; border-bottom:1px solid rgba(240,239,232,0.08); padding-bottom:12px;
}
.ft-links { list-style:none; }
.ft-links li { margin-bottom:10px; }
.ft-links a { font-size:0.8rem; color:rgba(240,239,232,0.5); text-decoration:none; transition:color .2s; }
.ft-links a:hover { color:var(--white); }
.ft-bot {
  border-top:1px solid rgba(240,239,232,0.06);
  max-width:1280px; margin:0 auto; padding:24px 56px;
  display:flex; justify-content:space-between; align-items:center;
}
.ft-copy {
  font-family:'IBM Plex Mono',monospace; font-size:0.56rem;
  letter-spacing:0.12em; color:rgba(240,239,232,0.2);
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity:0; transform:translateY(22px); }
  to   { opacity:1; transform:translateY(0); }
}
.hero-eyebrow { animation:fadeUp .7s ease .1s both; }
.hero-h1      { animation:fadeUp .7s ease .2s both; }
.hero-h1b     { animation:fadeUp .7s ease .3s both; }
.hero-rule    { animation:fadeUp .5s ease .4s both; }
.hero-desc    { animation:fadeUp .7s ease .45s both; }
.hero-acts    { animation:fadeUp .7s ease .55s both; }
.hero-metrics { animation:fadeUp .7s ease .7s both; }

.e { stroke-dasharray:300; stroke-dashoffset:300; animation:draw 1.2s ease forwards; }
@keyframes draw { to { stroke-dashoffset:0; } }
.np { animation:np 3s ease-in-out infinite; }
@keyframes np { 0%,100%{opacity:1;r:6} 50%{opacity:0.4;r:4} }

/* ── RESPONSIVE ── */
/* ── HAMBURGER ── */
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: 16px;
}
.nav-burger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  transition: transform .25s, opacity .25s;
}
.nav-burger.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-burger.active span:nth-child(2) { opacity: 0; }
.nav-burger.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-mobile {
  display: none;
  position: fixed;
  top: 60px; left: 0; right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  z-index: 999;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: transform .2s, opacity .2s;
}
.nav-mobile.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}
.nav-mobile ul { list-style: none; padding: 0; margin: 0; }
.nav-mobile li { border-bottom: 1px solid var(--line); }
.nav-mobile a {
  display: block;
  padding: 18px 32px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mid);
  text-decoration: none;
}
.nav-mobile a:hover { color: var(--ink); background: var(--off); }

@media (max-width:1024px) {
  nav { padding:0 32px; }
  .nav-links { display:none; }
  .nav-burger { display: flex; }
  .nav-mobile { display: block; }
  .hero { grid-template-columns:1fr; }
  .hero-r { display:none; }
  .hero-l { padding:60px 32px; }
  .sec { padding:72px 32px; }
  .sec-head { grid-template-columns:1fr; gap:16px; }
  .news-grid,.r-grid { grid-template-columns:1fr; }
  .fw-wrap { grid-template-columns:1fr 1fr; padding:0 32px; }
  .fw-card { padding:40px 28px 44px; }
  .m-grid { grid-template-columns:repeat(2,1fr); }
  .pub-item { grid-template-columns:72px 1fr; }
  .pub-item .pub-type,.pub-item .pub-doi { display:none; }
  .ft { grid-template-columns:1fr 1fr; }
  .ft-bot { padding:20px 32px; }
}
</style>

/* ── ALUMNI ── */
.alumni-wrap {
  margin-top: 64px;
  border-top: 1px solid var(--line);
  padding-top: 48px;
}
.alumni-head {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem; font-weight: 400; font-style: italic;
  color: var(--faint); margin-bottom: 32px;
}
.alumni-group {
  display: flex; gap: 32px; align-items: baseline;
  padding: 12px 0; border-bottom: 1px solid var(--line2);
}
.alumni-year {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem; letter-spacing: 0.14em;
  color: var(--faint); min-width: 48px;
}
.alumni-names {
  display: flex; flex-wrap: wrap; gap: 8px 24px;
}
.alumni-name {
  font-size: 0.88rem; color: var(--mid);
}
.alumni-name-en {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem; color: var(--faint);
}

/* ── LECTURES ── */
.lec-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.lec-group {
  display: flex;
  gap: 48px;
  align-items: baseline;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.lec-year {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--faint);
  min-width: 72px;
  flex-shrink: 0;
}
.lec-courses {
  list-style: none;
  padding: 0; margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.lec-course {
  font-size: 0.9rem;
  color: var(--ink);
}
.lec-note {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.65rem;
  color: var(--faint);
  margin-left: 6px;
}

/* ── THESIS ── */
.thesis-table {
  display: grid;
  grid-template-columns: 80px 72px 1fr 130px;
  gap: 0;
  align-items: baseline;
}
.tt-year {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--faint);
  padding: 12px 0;
  white-space: nowrap;
}
.tt-degree {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  color: var(--faint);
  padding: 12px 16px 12px 0;
  white-space: nowrap;
}
.tt-title {
  font-size: 0.9rem;
  color: var(--ink);
  padding: 12px 16px 12px 0;
}
.tt-author {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.65rem;
  color: var(--mid);
  padding: 12px 0;
  text-align: right;
}
.tt-divider {
  grid-column: 1 / -1;
  border-bottom: 1px solid var(--line);
  margin: 4px 0;
}
@media (max-width: 768px) {
  .thesis-table {
    grid-template-columns: 60px 1fr;
  }
  .tt-degree { display: none; }
  .tt-author { text-align: left; grid-column: 2; font-size: 0.6rem; padding-top: 0; }
  .tt-title { grid-column: 2; }
}

/* ── NEWS EXTENSIONS ── */
.news-more {
  margin-top: 32px;
  text-align: right;
}
.news-grid-full {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.news-single {
  max-width: 720px;
}
.news-single-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.6rem;
  font-weight: 400;
  line-height: 1.4;
  margin-bottom: 32px;
  color: var(--ink);
}
.news-single-body {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--mid);
}

/* ── RESEARCH PAGE ── */
.rp-list {
  display: flex;
  flex-direction: column;
  gap: 64px;
}
.rp-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.rp-img-wrap img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: contain;
  background: var(--white);
}
.rp-img-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--line);
}
.rp-subtitle {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: var(--faint);
  margin-bottom: 10px;
}
.rp-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 16px;
  line-height: 1.4;
}
.rp-desc {
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--mid);
  margin-bottom: 24px;
}
.r-more {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  color: var(--blue);
  text-decoration: none;
  letter-spacing: 0.08em;
}
.r-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: contain;
  background: var(--white);
  margin-bottom: 12px;
}
.rp-single { max-width: 800px; }
.rp-single-head { margin-bottom: 40px; }
.rp-single-title {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 400;
  line-height: 1.3;
  color: var(--ink);
}
.rp-single-img {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  margin-bottom: 40px;
}
.rp-single-body {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--mid);
}
@media (max-width: 768px) {
  .rp-item { grid-template-columns: 1fr; gap: 24px; }
}

/* ── RESEARCH CARD LINK ── */
.r-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
  transition: opacity .2s;
}
.r-card-link:hover { opacity: 0.8; }