/* 電車で行こう。 — Japan by rail. Palette: night navy, platform white, Shinkansen blue, platform-edge yellow. */
:root{
  --ink:#0b1622; --ink-2:#3a4757; --paper:#f6f5f1; --white:#fff;
  --blue:#1d5fae; --blue-d:#123f78; --yellow:#f3c33c; --green-mist:#e6ece6; --moss:#2c4a36;
  --wood:#3b2618; --wood-2:#5a3a24; --brass:#d9b25f; --cream:#f3e7d3;
  --line:rgba(11,22,34,.12);
  --sans:"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic UI","Meiryo",system-ui,-apple-system,"Segoe UI",sans-serif;
  --en:-apple-system,BlinkMacSystemFont,"SF Pro Text","Helvetica Neue","Segoe UI",Roboto,Arial,sans-serif;
  --wrap:1180px; --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:84px}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.85;font-size:17px;letter-spacing:.02em;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
picture{display:block}
a{color:inherit}
h1,h2,h3,h4,p{margin:0}
ruby{ruby-position:over}
rt{font-size:.5em;letter-spacing:0;font-weight:500;opacity:.85}
.no-furigana rt{display:none}
[lang="en"]{font-family:var(--en);letter-spacing:0}
.en{display:block;font-family:var(--en);color:var(--ink-2);font-size:.92em;line-height:1.55;margin-top:.35em;letter-spacing:0}
.en-inline{display:inline-block;font-family:var(--en);font-size:.78em;color:var(--ink-2);font-weight:500;margin-left:.5em;letter-spacing:.01em}
.no-en .en,.no-en .en-inline{display:none}
:focus-visible{outline:3px solid var(--yellow);outline-offset:3px;border-radius:6px;box-shadow:0 0 0 6px rgba(11,22,34,.85)}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--yellow);color:var(--ink);padding:.6em 1em;border-radius:8px;font-weight:700;text-decoration:none}
.skip:focus{top:12px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 clamp(20px,5vw,48px)}
.narrow{max-width:860px}
.center{text-align:center}.center-text{text-align:center;max-width:820px;margin:0 auto}

/* header */
.site-header{position:fixed;inset:0 0 auto;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px clamp(14px,3vw,32px);color:#fff;transition:background .4s,color .4s,box-shadow .4s}
.site-header.is-scrolled{background:rgba(11,22,34,.82);backdrop-filter:saturate(160%) blur(16px);-webkit-backdrop-filter:saturate(160%) blur(16px);box-shadow:0 1px 0 rgba(255,255,255,.08)}
.brand{display:flex;align-items:center;gap:14px;min-width:0}
.sy-logo{display:flex;align-items:center;gap:8px;text-decoration:none;font-weight:700}
.sy-mark .m-bubble{fill:#f6f5f1}.sy-mark .m-door{fill:var(--blue)}.sy-mark .m-panel{fill:var(--yellow)}.sy-mark .m-knob{fill:#f6f5f1}
.sy-wordmark{font-size:17px;letter-spacing:.01em}.sy-wordmark span{color:var(--yellow);margin:0 1px}
.back-link{font-size:14px;text-decoration:none;padding:6px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.35);white-space:nowrap;transition:background .2s}
.back-link:hover{background:rgba(255,255,255,.14)}
.toolbar{display:flex;gap:8px}
.toggle{display:inline-flex;align-items:center;gap:8px;font:600 13px/1 var(--sans);color:#fff;background:rgba(11,22,34,.55);border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:7px 10px 7px 14px;cursor:pointer;min-height:40px}
.toggle:hover{background:rgba(11,22,34,.8)}
.toggle-label [lang="en"]{font-weight:500}
.toggle-switch{width:34px;height:20px;border-radius:20px;background:rgba(255,255,255,.3);position:relative;transition:background .25s}
.toggle-switch span{position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#fff;transition:transform .25s var(--ease)}
.toggle[aria-pressed="true"] .toggle-switch{background:var(--yellow)}
.toggle[aria-pressed="true"] .toggle-switch span{transform:translateX(14px);background:var(--ink)}

/* hero */
.hero{position:relative;color:#fff;overflow:hidden;background:var(--ink)}
.hero-media{position:relative;height:84svh;min-height:520px;overflow:hidden}
.hero-media picture{height:100%}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:55% 45%;transform:scale(1.06);transition:transform 2.4s var(--ease)}
.loaded .hero-media img{transform:scale(1)}
.hero-scrim{position:absolute;left:0;right:0;top:0;height:84svh;min-height:520px;background:linear-gradient(180deg,rgba(11,22,34,.5) 0%,rgba(11,22,34,0) 18%,rgba(11,22,34,0) 64%,rgba(11,22,34,.75) 82%,var(--ink) 100%)}
.hero-inner{position:relative;z-index:2;width:100%;max-width:var(--wrap);margin:0 auto;padding:0 clamp(20px,5vw,48px) clamp(64px,9vh,110px);margin-top:-22svh}
.eyebrow{font-size:15px;font-weight:600;margin-bottom:14px}
.line-dot{display:inline-block;vertical-align:middle;margin-right:10px}
.eyebrow .en-inline,.hero .en-inline,.hero .en{color:rgba(255,255,255,.86)}
.line-dot{width:28px;height:4px;border-radius:2px;background:var(--yellow)}
.display{white-space:nowrap;font-size:clamp(44px,11.5vw,124px);font-weight:800;line-height:1.12;letter-spacing:.01em}
.display rt{font-size:.22em;font-weight:600}
.en-display{font-size:clamp(20px,2.4vw,30px);font-weight:600;color:#fff!important;margin-top:.1em}
.hero-sub{font-size:clamp(18px,2.1vw,24px);font-weight:600;margin-top:26px;line-height:1.9}
.br-sm{display:none}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.photo-caption{text-shadow:0 1px 3px rgba(0,0,0,.8);position:absolute;right:clamp(14px,3vw,32px);top:calc(max(84svh,520px) - 150px);z-index:2;font-size:12px;color:rgba(255,255,255,.8)}
.hero-in{opacity:0;transform:translateY(18px);transition:opacity 1s var(--ease) var(--d,0s),transform 1s var(--ease) var(--d,0s)}
.loaded .hero-in,.no-js .hero-in{opacity:1;transform:none}

.btn{display:inline-block;text-align:center;line-height:1.6;text-decoration:none;font-weight:700;font-size:16px;padding:12px 24px;border-radius:999px;min-height:48px;transition:background .2s,color .2s,transform .2s}
.btn .en-inline{color:inherit;opacity:.8;margin-left:.2em}
.btn-light{background:#fff;color:var(--ink)}.btn-light:hover{background:var(--yellow)}
.btn-ghost{color:#fff;border:1.5px solid rgba(255,255,255,.7)}.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn-dark{background:var(--ink);color:#fff}.btn-dark:hover{background:var(--blue-d)}

/* section headings */
section{position:relative}
.kicker{font-size:14px;font-weight:700;color:var(--blue);letter-spacing:.08em;margin-bottom:18px}
.kicker .en-inline{color:var(--ink-2);letter-spacing:.02em}
.h2,.h3{word-break:auto-phrase;text-wrap:balance}
.h2{font-size:clamp(34px,5.6vw,68px);font-weight:800;line-height:1.3;letter-spacing:.01em}
.en-h2{font-size:clamp(18px,2vw,24px);font-weight:600;margin-top:.4em}
.h3{font-size:clamp(28px,4vw,48px);font-weight:800;line-height:1.35}
.en-h3{font-size:clamp(17px,1.7vw,21px);font-weight:600}

/* journey */
.journey{padding:clamp(96px,14vw,180px) 0 clamp(80px,10vw,140px);background:var(--paper)}
.beats{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,4vw,56px);margin-top:clamp(56px,7vw,96px)}
.beat{border-top:3px solid var(--ink);padding-top:22px}
.beat-no{display:block;font-size:64px;font-weight:800;line-height:1;color:var(--blue);margin-bottom:14px}
.beat h3{font-size:22px;font-weight:800;margin-bottom:10px}
.window-view{margin:clamp(72px,9vw,120px) auto 0;max-width:1100px;padding:0 clamp(20px,5vw,48px)}
.window-frame{border-radius:44px;overflow:hidden;border:14px solid #dfe3e6;box-shadow:inset 0 0 0 2px #c6ccd1;background:#dfe3e6;aspect-ratio:3/2}
.window-frame img{width:100%;height:115%;object-fit:cover;will-change:transform}
.tip{max-width:720px;margin:28px auto 0;text-align:center}
.tip-label{display:inline-block;background:var(--yellow);color:var(--ink);font-weight:800;font-size:13px;padding:4px 12px;border-radius:4px;margin-bottom:12px}
.tip-label .en-inline{color:var(--ink)}

/* three */
.three{padding:clamp(80px,10vw,140px) 0 0;background:var(--white)}
.pill-nav{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:32px}
.pill-nav a{text-decoration:none;font-weight:700;font-size:15px;padding:10px 18px;border-radius:999px;border:1.5px solid var(--line);transition:border-color .2s,background .2s}
.pill-nav a:hover{border-color:var(--ink);background:var(--paper)}
.chapter{padding:clamp(80px,10vw,140px) 0;margin-top:clamp(56px,7vw,96px)}
.ch-tag{font-weight:800;font-size:15px;margin-bottom:18px}
.ch-tag>span:first-child{display:inline-grid;vertical-align:middle;margin-right:10px;place-items:center;width:30px;height:30px;border-radius:50%;font-size:14px}
.ch-text>p:not(.ch-tag):not(.en){margin-top:20px}
.ch-text .h3+.en{margin-bottom:6px}
/* A: Shinkansen — clean white, blue stripe */
.ch-shinkansen{background:linear-gradient(180deg,#fff 0,#fff 70%,#eef3f9 100%);border-top:1px solid var(--line)}
.ch-shinkansen::before{content:"";position:absolute;left:0;right:0;top:0;height:8px;background:linear-gradient(90deg,var(--blue) 0 70%,transparent 70% 72%,var(--blue) 72%)}
.ch-shinkansen .ch-tag>span:first-child{background:var(--blue);color:#fff}
.ch-grid{display:grid;grid-template-columns:5fr 6fr;gap:clamp(32px,5vw,72px);align-items:center}
.ch-media img{border-radius:22px;width:100%}
.ch-media figcaption{font-size:13px;color:var(--ink-2);margin-top:10px}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin:32px 0 0;border-top:1px solid var(--line)}
.facts div{padding:14px 12px 0 0}
.facts dt{font-size:13px;color:var(--ink-2);font-weight:600}
.facts dd{margin:4px 0 0;font-weight:800;font-size:17px;color:var(--blue-d)}
/* B: scenic lines — misty green */
.ch-local{background:linear-gradient(180deg,var(--green-mist),#d5dfd5);color:#18261c}
.ch-local .ch-tag>span:first-child{background:var(--moss);color:#fff}
.ch-local .en,.ch-local .en-inline{color:#3b4a3f}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,48px);margin-top:clamp(48px,6vw,80px)}
.mist{position:relative;overflow:hidden;border-radius:6px}
.mist::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(230,236,230,.35),rgba(230,236,230,0) 40%);pointer-events:none}
.mist img{width:100%;aspect-ratio:3/2;object-fit:cover}
.duo-item figcaption{padding-top:22px}
.duo-item h4{font-size:22px;font-weight:800}
.en-small{font-size:15px;margin-top:2px;margin-bottom:10px}
/* C: sightseeing — warm wood, brass */
.ch-kanko{background:radial-gradient(120% 80% at 50% 0%,var(--wood-2),var(--wood) 70%);color:var(--cream)}
.ch-kanko .kicker,.ch-kanko .ch-tag{color:var(--brass)}
.ch-kanko .ch-tag>span:first-child{background:var(--brass);color:var(--wood)}
.ch-kanko .en,.ch-kanko .en-inline{color:#e3d3b8}
.ch-kanko .h3{font-family:"Hiragino Mincho ProN","Yu Mincho","Noto Serif JP",serif;font-weight:700}
.ticket-row{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,48px);margin-top:clamp(48px,6vw,80px)}
.ticket{margin:0;background:#2a1a10;border:1px solid rgba(217,178,95,.45);border-radius:10px;overflow:hidden;position:relative}
.ticket img{width:100%;aspect-ratio:3/2;object-fit:cover;filter:saturate(1.05) sepia(.08)}
.ticket figcaption{padding:24px 26px 30px;border-top:2px dashed rgba(217,178,95,.5);position:relative}
.ticket figcaption::before,.ticket figcaption::after{content:"";position:absolute;top:-13px;width:24px;height:24px;border-radius:50%;background:var(--wood)}
.ticket figcaption::before{left:-13px}.ticket figcaption::after{right:-13px}
.ticket-route{font-size:13px;font-weight:700;color:var(--brass);letter-spacing:.06em;margin-bottom:8px}
.ticket h4{font-size:22px;font-weight:800;color:#fff}

/* details: bento */
.details{padding:clamp(96px,12vw,160px) 0;background:var(--paper)}
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:clamp(48px,6vw,80px)}
.tile{background:#fff;border-radius:24px;padding:28px;overflow:hidden;display:flex;flex-direction:column;gap:10px}
.tile h3{font-size:21px;font-weight:800;line-height:1.5}
.tile-photo{padding:0}
.tile-photo img{width:100%;aspect-ratio:3/2;object-fit:cover}
.tile-body{padding:22px 26px 28px;display:flex;flex-direction:column;gap:10px}
.tile-wide{grid-column:span 2;flex-direction:row}
.tile-queue{grid-column:1/-1}
.tile-wide picture{flex:1.2}.tile-wide img{height:100%;aspect-ratio:auto}.tile-wide .tile-body{flex:1;justify-content:center}
.tile-stamp img{aspect-ratio:4/3;object-position:50% 30%}
.tile-icon{font-size:30px;line-height:1;width:56px;height:56px;display:grid;place-items:center;border-radius:16px;margin-bottom:8px}
.tile-sound{background:var(--ink);color:#fff}.tile-sound .en,.tile-sound .en-inline{color:#c9d3df}.tile-sound .tile-icon{background:var(--yellow);color:var(--ink)}
.tile-point{background:var(--blue);color:#fff}.tile-point .en,.tile-point .en-inline{color:#dfe9f6}.tile-point .tile-icon{background:#fff;color:var(--blue)}
.tile-queue{background:var(--yellow);color:var(--ink)}.tile-queue .en,.tile-queue .en-inline{color:#2b2a22}.tile-queue .tile-icon{background:var(--ink);color:var(--yellow);font-size:20px;letter-spacing:2px}

/* finish */
.finish{padding:clamp(96px,12vw,160px) 0 clamp(80px,10vw,120px);background:var(--ink);color:#fff}
.finish .kicker{color:var(--yellow)}
.finish .en,.finish .en-inline{color:#c3cdd8}
.chooser{margin-top:clamp(48px,6vw,72px);background:#132233;border-radius:28px;padding:clamp(28px,4vw,48px);max-width:960px}
.chooser-q{font-size:24px;font-weight:800;text-align:center}
.moods{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
.mood{display:block;text-align:center;font:800 19px/1.5 var(--sans);color:#fff;background:transparent;border:1.5px solid rgba(255,255,255,.3);border-radius:18px;padding:18px 10px;cursor:pointer;transition:border-color .2s,background .2s}
.mood .en-inline{display:block;margin:2px 0 0;font-size:14px}
.mood-ico{display:block;font-size:24px;color:var(--yellow)}
.mood:hover{border-color:#fff}
.mood[aria-pressed="true"]{background:var(--yellow);border-color:var(--yellow);color:var(--ink)}
.mood[aria-pressed="true"] .mood-ico,.mood[aria-pressed="true"] .en-inline{color:var(--ink)}
.pick{margin-top:22px;min-height:120px}
.pick-empty{text-align:center;color:#c3cdd8}
.pick-card{background:#fff;color:var(--ink);border-radius:20px;padding:26px 28px;animation:rise .5s var(--ease)}
.pick-card .en,.pick-card .en-inline{color:var(--ink-2)}
.pick-label{font-size:13px;font-weight:800;color:var(--blue)}
.pick-route{font-size:clamp(24px,3vw,32px);font-weight:800;margin:4px 0 6px}
.pick-card .btn{margin-top:18px}
.pick-card .btn .en-inline{color:#fff}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.routes-h{font-size:24px;font-weight:800;margin:clamp(72px,9vw,110px) 0 26px}
.routes{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.route{background:#132233;border-radius:20px;padding:24px;border-top:6px solid var(--c);outline:none;transition:box-shadow .3s}
.route:focus,.route.is-target{box-shadow:0 0 0 3px var(--yellow)}
.route-train{font-size:14px;font-weight:700;color:#e8edf2}
.route-train .en-inline{display:block;margin:2px 0 0}
.route-line{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:800;margin:14px 0 2px;flex-wrap:wrap}
.route-line i{flex:1;min-width:24px;height:3px;background:var(--c);position:relative;filter:brightness(1.6)}
.route-line i::before,.route-line i::after{content:"";position:absolute;top:-4px;width:11px;height:11px;border-radius:50%;background:#fff;border:2px solid var(--c)}
.route-line i::before{left:-4px}.route-line i::after{right:-4px}
.route-en{margin-top:0;font-size:14px}
.route-see{margin-top:14px;font-size:15px;line-height:1.8}
.route .en{font-size:14px}
.learn-list{list-style:none;padding:0;margin:0 0 40px;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.learn-list a{display:block;position:relative;padding-right:48px!important;text-decoration:none;font-weight:700;padding:18px 22px;border-radius:16px;border:1.5px solid rgba(255,255,255,.22);transition:border-color .2s,background .2s}
.learn-list a:hover{border-color:var(--yellow);background:#132233}
.lv{display:inline-block;vertical-align:middle;margin-right:10px;font:800 12px/1 var(--en);background:var(--yellow);color:var(--ink);padding:5px 7px;border-radius:5px}
.arr{position:absolute;right:20px;top:50%;transform:translateY(-50%);color:var(--yellow)}
.finish .btn-dark{background:#fff;color:var(--ink)}.finish .btn-dark:hover{background:var(--yellow)}
.finish .pick-card .btn-dark{background:var(--ink);color:#fff}

.credits{background:#08111a;color:#c3cdd8;padding:40px 0;font-size:14px}
.credits summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:10px}
.credits summary::-webkit-details-marker{display:none}
.credits summary::before{content:"+";font-weight:800;color:var(--yellow);font-size:20px}
.credits details[open] summary::before{content:"−"}
.credits h2{font-size:17px;font-weight:700;color:#fff;display:inline}
.credits .en-inline{color:#c3cdd8}
.credit-list{margin:18px 0 0;padding-left:20px;line-height:1.7}
.credit-list a,.credit-note{color:#dbe3ec}
.credit-note{margin-top:14px}
.foot{background:#08111a;color:#dbe3ec;border-top:1px solid rgba(255,255,255,.08);padding:28px 0 calc(28px + env(safe-area-inset-bottom))}
.foot-row{display:flex;gap:24px;flex-wrap:wrap;justify-content:space-between;font-size:15px}
.foot a{text-decoration:none}.foot a:hover{text-decoration:underline}

/* reveal */
.js [data-reveal]{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js [data-reveal].is-in{opacity:1;transform:none}

/* responsive */
@media (max-width:1100px){
  .routes{grid-template-columns:1fr 1fr}
  .bento{grid-template-columns:1fr 1fr}
  .tile-wide{grid-column:span 2}
}
@media (max-width:900px){
  .ch-grid,.duo,.ticket-row{grid-template-columns:1fr}
  .ch-media{order:-1}
  .beats{grid-template-columns:1fr}
}
@media (max-width:720px){
  body{font-size:16px}
  .site-header{flex-wrap:wrap;padding:8px 12px;gap:6px}
  .sy-wordmark{display:none}
  .back-link{font-size:13px;padding:5px 10px}
  .toolbar{gap:6px}
  .toggle{padding:5px 8px 5px 10px;font-size:12px;min-height:36px;gap:6px}
  .toggle-switch{width:30px;height:18px}.toggle-switch span{width:14px;height:14px}
  .toggle[aria-pressed="true"] .toggle-switch span{transform:translateX(12px)}
  .br-sm{display:inline}
  .hero-cta .btn{width:100%}
  .window-frame{border-width:8px;border-radius:26px}
  .bento{grid-template-columns:1fr}
  .tile-wide,.tile-queue{grid-column:auto}.tile-wide{flex-direction:column}.tile-wide img{aspect-ratio:3/2}
  .moods{grid-template-columns:1fr}
  .mood{padding:12px}.mood-ico{display:inline;margin-right:8px}
  .routes,.learn-list{grid-template-columns:1fr}
  .facts{grid-template-columns:1fr 1fr 1fr}
  .facts dd{font-size:15px}
  .hero-media,.hero-scrim{height:58svh;min-height:380px}
  .hero-media img{object-position:62% 50%}
  .hero-inner{margin-top:-9svh}
  .photo-caption{top:96px;left:auto;right:12px;font-size:11px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .hero-in,.js [data-reveal]{opacity:1!important;transform:none!important}
  .hero-media img,.window-frame img{transform:none!important}
}

/* ---------- word glosses (tooltips) ---------- */
.gl{border-radius:.2em;-webkit-box-decoration-break:clone;box-decoration-break:clone;-webkit-tap-highlight-color:transparent;transition:background-color .2s var(--ease)}
.gl:not(.gl-in-control){cursor:help}
@media (hover:none){.gl:not(.gl-in-control){cursor:pointer}}
.gl:hover,.gl:focus-visible,.gl.is-glossed{
  background-color:rgba(29,95,174,.12);
  background-color:color-mix(in srgb,currentColor 12%,transparent);
  background-image:linear-gradient(90deg,currentColor 45%,transparent 0);
  background-size:4px 1px;background-repeat:repeat-x;background-position:0 calc(100% - .02em)}
.gl:focus-visible{outline:2px solid var(--yellow);outline-offset:2px;box-shadow:0 0 0 4px rgba(11,22,34,.85);border-radius:.2em}

.gloss-tip{position:fixed;left:0;top:0;z-index:60;box-sizing:border-box;width:max-content;max-width:min(19rem,calc(100vw - 20px));
  display:flex;flex-direction:column;gap:.15rem;padding:.7rem .95rem .72rem;border-radius:14px;pointer-events:none;
  color:#fff;background:rgba(11,22,34,.96);-webkit-backdrop-filter:saturate(160%) blur(16px);backdrop-filter:saturate(160%) blur(16px);
  border:1px solid rgba(255,255,255,.16);border-top:3px solid var(--yellow);
  box-shadow:0 18px 40px rgba(0,0,0,.35),0 2px 8px rgba(0,0,0,.2);
  text-align:left;text-shadow:none;letter-spacing:normal;line-height:1.4;font-weight:400;
  opacity:0;transform:translateY(4px);transition:opacity .16s var(--ease),transform .2s var(--ease)}
.gloss-tip.is-below{transform:translateY(-4px)}
.gloss-tip.is-open{opacity:1;transform:none}
.gloss-tip[hidden]{display:none}
.gloss-tip.is-offscreen{visibility:hidden}
.gloss-tip__head{display:flex;align-items:baseline;flex-wrap:wrap;gap:.15rem .6rem}
.gloss-tip__jp{font-family:var(--sans);font-size:1.12rem;font-weight:800;letter-spacing:.04em;line-height:1.3}
.gloss-tip__kana{font-family:var(--sans);font-size:.78rem;font-weight:700;letter-spacing:.06em;color:var(--yellow)}
.gloss-tip__kana:empty,.gloss-tip__pos:empty{display:none}
.gloss-tip__en{font-family:var(--en);font-size:.88rem;font-weight:500;line-height:1.45;color:#e8edf2;overflow-wrap:anywhere}
.gloss-tip__pos{font-family:var(--en);font-size:.64rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#c3cdd8;margin-top:.1rem}
.gloss-tip__arrow{position:absolute;top:100%;width:12px;height:12px;margin:-6px 0 0 -6px;transform:rotate(45deg);
  background:rgb(11,22,34);border:1px solid rgba(255,255,255,.16);border-top:0;border-left:0;border-radius:0 0 3px 0}
.gloss-tip.is-below .gloss-tip__arrow{top:-3px;transform:rotate(225deg)}
/* light version over white / paper / yellow sections: white card with a Shinkansen-blue stripe */
.gloss-tip.on-light{color:var(--ink);background:rgba(255,255,255,.97);border-color:rgba(11,22,34,.12);border-top-color:var(--blue);
  box-shadow:0 18px 40px rgba(11,22,34,.18),0 2px 8px rgba(11,22,34,.08)}
.gloss-tip.on-light .gloss-tip__kana{color:var(--blue)}
.gloss-tip.on-light .gloss-tip__en{color:var(--ink)}
.gloss-tip.on-light .gloss-tip__pos{color:var(--ink-2)}
.gloss-tip.on-light .gloss-tip__arrow{background:#fff;border-color:rgba(11,22,34,.12)}
.gloss-tip.on-light.is-below .gloss-tip__arrow{background:var(--blue);border-color:var(--blue)}
.gloss-tip.is-below .gloss-tip__arrow{background:var(--yellow);border-color:var(--yellow)}
@media (prefers-reduced-motion:reduce){.gloss-tip,.gloss-tip.is-below{transition:none;transform:none}.gl{transition:none}}
@media print{.gloss-tip{display:none !important}}