:root{--paper:#f6f3ec;--paper2:#efeae0;--ink:#19211d;--muted:#68716b;--line:#d9d3c4;--blue:#1f3a6b;--green:#2a8a86;--wine:#8a2347;--gold:#d4a84b;--serif:"Newsreader","Noto Serif JP",Georgia,serif;--sans:"Inter","Noto Sans JP",system-ui,sans-serif;--max:1180px;--g:clamp(20px,4vw,56px)}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;overflow-x:clip}
*{box-sizing:border-box} body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.65;overflow-x:clip} body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.35;background-image:radial-gradient(rgba(31,58,107,.06) 1px,transparent 1px);background-size:18px 18px}
a{color:var(--blue);text-underline-offset:3px}

/* ── Topbar ─────────────────────────────────────────────── */
.topbar{position:sticky;top:0;z-index:50;background:rgba(246,243,236,.84);backdrop-filter:saturate(140%) blur(10px);-webkit-backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line)}
.topbar-inner{max-width:var(--max);margin:0 auto;padding:14px var(--g);display:flex;align-items:center;justify-content:space-between;gap:16px;position:relative}
.program-mark{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:500;font-size:18px;letter-spacing:.01em;color:var(--ink);text-decoration:none;flex-shrink:0}
.program-mark .dot{width:10px;height:10px;background:linear-gradient(135deg,var(--wine),var(--blue),var(--green));border-radius:2px;transform:rotate(45deg);flex-shrink:0}
.program-mark small{font-family:var(--sans);font-size:11px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-left:4px;white-space:nowrap;writing-mode:horizontal-tb}
.qpit-uplink{display:inline-flex;align-items:center;gap:4px;flex-shrink:0;font-family:var(--sans);font-size:11px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);text-decoration:none;padding-right:14px;border-right:1px solid var(--line);white-space:nowrap;transition:color .2s}
.qpit-uplink:hover{color:var(--blue)}
.qpit-uplink .arr{font-size:12px;line-height:1}
.nav-qpit{display:none}
.landing-nav{display:flex;align-items:center;gap:2px;flex:1;justify-content:center}
.landing-nav a{font-family:var(--sans);font-size:13px;font-weight:500;color:var(--muted);text-decoration:none;padding:6px 10px;border-radius:6px;transition:color .2s,background .2s}
.landing-nav a:hover{color:var(--blue);background:rgba(31,58,107,.06)}
/* Language switch: one button naming the other language (see assets/js/lang.js) */
.lang-switch{display:inline-flex;align-items:center;gap:6px;flex-shrink:0;appearance:none;margin:0;padding:7px 13px 7px 10px;border:1px solid var(--line);border-radius:999px;background:var(--paper2);color:var(--blue);font-family:var(--sans);font-size:13px;font-weight:600;line-height:1;cursor:pointer;transition:border-color .2s,background .2s}
.lang-switch:hover{border-color:var(--blue);background:rgba(31,58,107,.06)}
.lang-switch:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.lang-switch svg{width:16px;height:16px;display:block;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.lang-switch .to-en,html[lang="ja"] .lang-switch .to-ja{display:none}
html[lang="ja"] .lang-switch .to-en{display:inline}
.menu-btn{display:none;align-items:center;justify-content:center;width:42px;height:42px;flex-shrink:0;padding:0;border:1px solid var(--line);border-radius:10px;background:var(--paper2);color:var(--ink);cursor:pointer}
.menu-btn svg{width:20px;height:20px;display:block}
.menu-btn[aria-expanded="true"]{background:var(--blue);color:var(--paper);border-color:var(--blue)}
/* Mobile: hide the wide subtitle, collapse the section nav behind a hamburger that
   reveals .landing-nav as a dropdown panel (reuses the existing localized links). */
@media(max-width:760px){
  .program-mark small{display:none}
  .menu-btn{display:inline-flex}
  .lang-switch{margin-left:auto}
  .qpit-uplink{display:none}
  .landing-nav .nav-qpit{display:block;margin-top:6px;border-top:1px solid var(--line);padding-top:14px;color:var(--blue)}
  .landing-nav{display:none;position:absolute;top:calc(100% + 1px);left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 14px 30px rgba(25,33,29,.13);padding:10px;z-index:60}
  .landing-nav.open{display:flex}
  .landing-nav a{padding:13px 14px;border-radius:8px;font-size:15px}
}

/* ── Hero ───────────────────────────────────────────────── */
.landing-hero{max-width:var(--max);margin:0 auto;padding:clamp(64px,8vw,108px) var(--g) clamp(48px,6vw,80px);display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px,5vw,72px);align-items:center}
.landing-hero .eyebrow{font-family:var(--sans);font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--blue);margin:0 0 20px;display:flex;align-items:center;gap:10px}
.landing-hero .eyebrow:before{content:"";width:24px;height:1px;background:var(--blue)}
.landing-hero h1{font-family:var(--serif);font-weight:400;font-size:clamp(34px,4.2vw,56px);line-height:1.08;letter-spacing:-.02em;color:var(--ink);margin:0 0 20px}
.landing-hero .lead{font-family:var(--serif);font-size:clamp(16px,1.8vw,19px);line-height:1.7;color:#3a423d;margin:0}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;align-items:center;padding:11px 22px;border-radius:999px;text-decoration:none;font-family:var(--sans);font-weight:600;font-size:13px;letter-spacing:.02em;transition:background .25s,transform .25s}
.btn.primary{background:var(--ink);color:var(--paper)}
.btn.primary:hover{background:var(--blue);transform:translateY(-1px)}
.btn.ghost{background:rgba(255,255,255,.5);color:var(--blue);border:1px solid var(--line)}
.btn.ghost:hover{background:rgba(255,255,255,.95);transform:translateY(-1px)}
.admission-visual{position:relative}
.admission-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:18px;box-shadow:0 1px 0 rgba(26,31,28,.04),0 30px 80px -30px rgba(26,31,28,.22)}
.admission-card{position:absolute;bottom:16px;left:16px;right:16px;background:rgba(246,243,236,.92);backdrop-filter:blur(8px);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.panel-label{display:inline-flex;margin-bottom:8px;font-family:var(--sans);font-size:10px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--blue)}
.admission-card p{font-family:var(--serif);font-size:14px;line-height:1.6;color:var(--ink);margin:0}
@media(max-width:860px){.landing-hero{grid-template-columns:1fr;padding-top:48px}}
@media(max-width:560px){.hero-actions .btn{width:100%}}

/* ── Section shared ─────────────────────────────────────── */
.plain-section{max-width:var(--max);margin:0 auto;padding:clamp(48px,6vw,80px) var(--g)}
.section-kicker{font-family:var(--sans);font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--blue);margin:0 0 20px;display:flex;align-items:center;gap:10px}
.section-kicker:before{content:"";width:24px;height:1px;background:var(--blue)}

/* ── Programme / video ──────────────────────────────────── */
.feature-section{border-top:1px solid var(--line)}
.feature-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:clamp(32px,5vw,64px);align-items:center}
.feature-section h2{font-family:var(--serif);font-weight:400;font-size:clamp(26px,3vw,38px);letter-spacing:-.01em;color:var(--ink);margin:0 0 12px;line-height:1.15}
.section-lead{font-family:var(--serif);font-size:16px;line-height:1.7;color:#3a423d;margin:0}
.video-card{background:rgba(255,255,255,.4);border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:0 20px 60px -30px rgba(26,31,28,.14)}
.year-tabs{display:flex;gap:6px;margin-bottom:10px}
.year-tab{appearance:none;border:1px solid var(--line);background:rgba(255,255,255,.5);color:var(--muted);border-radius:999px;padding:5px 14px;font:600 12px/1 var(--sans);cursor:pointer;transition:all .2s}
.year-tab:hover,.year-tab.active{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.video-thumb{display:block;position:relative;border-radius:10px;overflow:hidden;aspect-ratio:16/9;background:#1a1f1c}
.video-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.play-button{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.play-button:after{content:"";width:52px;height:52px;background:rgba(246,243,236,.92) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%231f3a6b'%3E%3Cpath d='M8 5v14l11-7z'/%3E%3C/svg%3E") no-repeat 55% 50%;background-size:50%;border-radius:50%;box-shadow:0 4px 20px rgba(26,31,28,.2);transition:transform .25s}
.video-thumb:hover .play-button:after{transform:scale(1.08)}
.video-caption{font-family:var(--sans);font-size:13px;font-weight:500;color:var(--muted);padding:10px 4px 2px}
@media(max-width:860px){.feature-grid{grid-template-columns:1fr}}

/* ── Video lightbox ─────────────────────────────────────── */
/* The thumbnail stays a real link to YouTube (works with JS off, and with
   cmd/middle-click); main.js intercepts a plain click and plays it here instead. */
.video-modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:clamp(16px,5vw,56px);background:rgba(19,25,21,.9);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s}
.video-modal.open{opacity:1;visibility:visible}
.video-modal-frame{position:relative;width:100%;max-width:1100px;aspect-ratio:16/9;background:#000;border-radius:14px;overflow:hidden;box-shadow:0 40px 90px -20px rgba(0,0,0,.6);transform:scale(.97);transition:transform .28s cubic-bezier(.5,.15,.2,1)}
.video-modal.open .video-modal-frame{transform:scale(1)}
.video-modal-frame iframe{width:100%;height:100%;border:0;display:block}
.video-modal-close{position:absolute;top:clamp(12px,3vw,28px);right:clamp(12px,3vw,28px);width:44px;height:44px;padding:0;display:flex;align-items:center;justify-content:center;border:1px solid rgba(246,243,236,.3);border-radius:50%;background:rgba(246,243,236,.12);color:var(--paper);font:400 24px/1 var(--sans);cursor:pointer;transition:background .2s,transform .2s}
.video-modal-close:hover{background:rgba(246,243,236,.25);transform:scale(1.06)}
.video-modal-close:focus-visible{outline:2px solid var(--paper);outline-offset:3px}
body.modal-open{overflow:hidden}
@media(prefers-reduced-motion:reduce){.video-modal,.video-modal-frame,.video-modal-close{transition:none}}

/* ── Pamphlets ──────────────────────────────────────────── */
.pamphlet-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.pamphlet-card{display:block;text-decoration:none;color:var(--ink);transition:transform .25s}
.pamphlet-card img{width:100%;aspect-ratio:3/4.25;object-fit:cover;display:block;border-radius:10px;border:1px solid var(--line);box-shadow:0 10px 30px -20px rgba(26,31,28,.18)}
.pamphlet-card span{display:block;margin-top:10px;font-family:var(--sans);font-size:13px;font-weight:600;color:var(--blue);text-align:center}
.pamphlet-card:hover{transform:translateY(-4px)}
@media(max-width:760px){.pamphlet-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.pamphlet-grid{grid-template-columns:1fr}}

/* ── Students / fellows section ─────────────────────────── */
.students-wrap{max-width:none;padding:0;border-top:1px solid var(--line)}
.students-wrap>.section-title-modern{max-width:var(--max);margin:0 auto;padding:clamp(48px,6vw,80px) var(--g) 0}
.section-title-modern{font-family:var(--serif);font-weight:400;font-size:clamp(30px,3.5vw,46px);letter-spacing:-.01em;color:var(--ink);line-height:1.1;margin:0}
.student-year{max-width:var(--max);margin:0 auto;padding:clamp(36px,4vw,56px) var(--g)}
.student-year+.student-year{border-top:1px solid var(--line)}
.center-title{font-family:var(--sans);font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--blue);margin:0 0 24px;display:flex;align-items:center;gap:10px}
.center-title:before{content:"";width:24px;height:1px;background:var(--blue)}
.center-title span{display:inline}

/* ── Photo grid ─────────────────────────────────────────── */
.photo-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:18px 12px;align-items:start}
.photo-person{display:block;text-decoration:none;color:var(--ink);text-align:center}
.photo-box{width:100%;aspect-ratio:3/3.9;border-radius:10px;overflow:hidden;background:var(--paper2);box-shadow:0 1px 0 rgba(26,31,28,.04),0 16px 40px -20px rgba(26,31,28,.13);transition:transform .4s cubic-bezier(.2,.6,.2,1),box-shadow .4s}
.photo-box img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s cubic-bezier(.2,.6,.2,1)}
.photo-person:hover .photo-box{transform:translateY(-3px);box-shadow:0 1px 0 rgba(26,31,28,.04),0 24px 48px -18px rgba(26,31,28,.2)}
.photo-person:hover img{transform:scale(1.03)}
.photo-name{font-family:var(--sans);font-size:13px;font-weight:500;color:var(--ink);margin-top:9px;line-height:1.3;overflow-wrap:anywhere}
.photo-box:after{content:"";font-size:10px;letter-spacing:.1em;color:var(--muted);text-transform:uppercase;display:none}
.photo-box.missing:after{display:block}
@media(max-width:1000px){.photo-grid{grid-template-columns:repeat(4,1fr)}}
@media(max-width:760px){.photo-grid{grid-template-columns:repeat(3,1fr);gap:14px 10px}.plain-section,.student-year{padding-left:20px;padding-right:20px}}
@media(max-width:480px){.photo-grid{grid-template-columns:repeat(2,1fr)}}

/* ── Activity cards ─────────────────────────────────────── */
.act-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:2px}
.act-card{background:var(--paper2);border-radius:8px;padding:22px 20px;display:flex;flex-direction:column;gap:10px}
.act-freq{font-family:var(--sans);font-size:10.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--blue)}
.act-name{font-family:var(--serif);font-size:17px;font-weight:400;color:var(--ink);margin:0;line-height:1.25}
.act-desc{font-family:var(--serif);font-size:13.5px;color:var(--muted);line-height:1.65;margin:0}
@media(max-width:1000px){.act-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:640px){.act-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:400px){.act-grid{grid-template-columns:1fr}}

/* ── Coordinators ───────────────────────────────────────── */
.coordinator-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,64px)}
.coordinator-card{display:flex;flex-direction:row;gap:24px;align-items:flex-start}
.coordinator-photo-wrap{flex-shrink:0;border-radius:10px;overflow:hidden;box-shadow:0 1px 0 rgba(26,31,28,.04),0 16px 40px -20px rgba(26,31,28,.13)}
.coordinator-photo-wrap img{width:100%;height:100%;object-fit:cover;object-position:center top;display:block}
.coordinator-photo-wrap.size-lg{width:200px;aspect-ratio:4/5}
.coordinator-photo-wrap.size-sm{width:160px;aspect-ratio:4/5}
.coordinator-body{display:flex;flex-direction:column;gap:14px;padding-top:4px}
.coordinator-name-block{display:flex;flex-direction:column;gap:3px}
.coordinator-name-en{font-family:var(--serif);font-size:clamp(18px,1.6vw,22px);font-weight:400;color:var(--ink);letter-spacing:-.01em;line-height:1.1}
.coordinator-name-jp{font-family:var(--serif);font-size:14px;color:var(--muted);letter-spacing:.06em}
.coordinator-role{font-family:var(--sans);font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--blue);line-height:1.6;margin-top:4px}
.coordinator-quote{margin:0;padding:0 0 0 14px;border-left:2px solid var(--line);font-family:var(--serif);font-style:italic;font-size:clamp(14px,1.2vw,15.5px);color:var(--muted);line-height:1.75}
@media(max-width:900px){.coordinator-grid{grid-template-columns:1fr}}
@media(max-width:600px){.coordinator-card{flex-direction:column}.coordinator-photo-wrap.size-lg,.coordinator-photo-wrap.size-sm{width:140px}}

/* ── Footer ─────────────────────────────────────────────── */
.footer{max-width:var(--max);margin:0 auto;padding:clamp(28px,4vw,44px) var(--g);border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-family:var(--serif);font-style:italic;font-size:13px;color:var(--muted)}
.footer a{color:inherit;text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:2px;transition:color .2s}
.footer a:hover{color:var(--blue)}