/* Kyoto Ahead — washi paper, sumi ink, vermilion seal */
:root{
  --paper:#f5efe4;--paper-2:#ede4d3;--card:#fffdf8;--ink:#1f1b16;--ink-deep:#2b2620;--muted:#6d6457;--line:#ddd2bf;
  --shu:#c8432b;--shu-ink:#a3321e;--momiji:#e0853a;--ai:#24375a;--matcha:#5d7a4a;
  --sky1:#f8e7cf;--sky2:#f3d7b8;--m1:#d9b99a;--m2:#a98468;--m3:#4a3a31;--wave:#fff6ea;
  --c-autumn:#f1c79a;--c-autumn-2:#e3a877;--leaf-a:#c8432b;--leaf-b:#8f2a1c;--sun-soft:#fbe3c4;
  --c-ai:#24375a;--grid:rgba(255,255,255,.08);--cell:#efe6d6;--c-matcha:#a9bd92;--rail:#2b2620;
  --shadow:0 1px 2px rgba(60,40,20,.06),0 12px 32px -12px rgba(60,40,20,.22);
  --serif:"Fraunces",Georgia,"Times New Roman",serif;--sans:"Inter",system-ui,-apple-system,"Segoe UI","Noto Sans",sans-serif;
  --r:18px;
}
@media (prefers-color-scheme:dark){:root{
  --paper:#15120f;--paper-2:#1d1915;--card:#1f1b17;--ink:#efe7da;--ink-deep:#1a1612;--muted:#a89d8d;--line:#352e27;
  --shu:#e2654a;--shu-ink:#f08a70;--momiji:#e79a55;
  --sky1:#1c2336;--sky2:#3a2a2c;--m1:#3a2f34;--m2:#2a2226;--m3:#120f0e;--wave:#2a2226;
  --c-autumn:#4a2c22;--c-autumn-2:#3a221c;--leaf-a:#e2654a;--leaf-b:#f0a060;--sun-soft:#5a3a2c;
  --c-ai:#1a2740;--cell:#2e2923;--c-matcha:#2f3b2a;--rail:#d8cdbd;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 12px 32px -12px rgba(0,0,0,.6);
}}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.75 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--shu-ink);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--shu)}
:focus-visible{outline:2px solid var(--shu);outline-offset:3px;border-radius:4px}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-.01em;font-optical-sizing:auto}

/* progress */
.progress{position:fixed;top:0;left:0;height:3px;width:100%;transform-origin:0 50%;transform:scaleX(var(--p,0));background:var(--shu);z-index:60}
[dir=rtl] .progress{transform-origin:100% 50%}

/* header */
header.site{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--paper) 82%,transparent);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid transparent;transition:border-color .3s}
header.site.scrolled{border-bottom-color:var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:12px;height:66px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font:500 21px/1 var(--serif);letter-spacing:-.01em;margin:0}
.brand b{font-weight:600;color:var(--shu)}
.brand:hover{color:var(--ink)}
.hanko{width:32px;height:32px;flex:none;transform:rotate(-4deg)}
nav.primary{display:flex;align-items:center;gap:4px}
nav.primary>a{font:500 14px/1 var(--sans);padding:10px 12px;border-radius:999px;text-decoration:none;color:var(--ink)}
nav.primary>a:hover{background:var(--paper-2)}
details.lang{position:relative}
details.lang summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:7px;font:500 14px/1 var(--sans);padding:9px 14px;border:1px solid var(--line);border-radius:999px;background:var(--card)}
details.lang summary::-webkit-details-marker{display:none}
details.lang[open] summary{border-color:var(--ink)}
.lang-panel{position:absolute;right:0;top:calc(100% + 10px);width:min(640px,calc(100vw - 32px));max-height:min(70vh,520px);overflow:auto;background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:10px;display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:2px;animation:pop .18s ease-out}
[dir=rtl] .lang-panel{right:auto;left:0}
.lang-panel a{display:block;padding:9px 12px;border-radius:10px;text-decoration:none;color:var(--ink);font-size:14px;line-height:1.3}
.lang-panel a:hover{background:var(--paper-2)}
.lang-panel a[aria-current]{background:var(--shu);color:#fff}
@keyframes pop{from{opacity:0;transform:translateY(-6px)}}

/* hero */
.hero-stage{position:relative;min-height:min(88vh,760px);display:flex;align-items:flex-start;overflow:hidden;isolation:isolate}
.hero-art{position:absolute;inset:0;width:100%;height:100%;z-index:-1}
.hero-copy{padding-top:clamp(56px,11vh,120px);padding-bottom:280px;width:100%}
.hero-copy h1{font-size:clamp(40px,6.4vw,84px);line-height:1.02;margin:0 0 22px;max-width:12.5em;font-weight:500;letter-spacing:-.025em;text-wrap:balance}
.hero-copy p{font-size:clamp(17px,1.6vw,20px);max-width:32em;color:var(--ink-deep);margin:0}
@media (prefers-color-scheme:dark){.hero-copy p{color:var(--ink)}}
.sun{animation:rise 1.6s cubic-bezier(.2,.7,.2,1) both}
@keyframes rise{from{transform:translateY(60px);opacity:0}}
.scroll-cue{position:absolute;left:50%;bottom:26px;width:26px;height:42px;border:1.5px solid var(--paper);border-radius:14px;translate:-50% 0;opacity:.85}
.scroll-cue span{position:absolute;left:50%;top:8px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:var(--paper);animation:cue 1.8s infinite}
@keyframes cue{to{transform:translateY(14px);opacity:0}}

/* layout */
.layout{padding-top:56px;padding-bottom:40px}
.layout-home{padding-top:72px}
.layout-article{display:grid;grid-template-columns:minmax(0,1fr);gap:48px}
@media (min-width:1000px){.layout-article{grid-template-columns:220px minmax(0,720px);justify-content:center}}
.prose{min-width:0}
.layout-about .prose,.layout-page .prose{max-width:720px;margin:0 auto}
.prose>p,.prose>ul,.prose>ol{max-width:68ch}
.prose h1{font-size:clamp(34px,4.6vw,52px);line-height:1.08;margin:12px 0 18px}
.prose h2{font-size:clamp(25px,2.6vw,32px);line-height:1.2;margin:56px 0 12px;scroll-margin-top:90px}
.prose h3{font-size:20px;margin:32px 0 6px}
.prose li{margin:4px 0}
.prose li::marker{color:var(--shu)}

/* toc */
.toc{display:none}
@media (min-width:1000px){.toc{display:block;position:sticky;top:96px;align-self:start;font-size:14px;line-height:1.4}}
.toc ol{list-style:none;margin:0;padding:0 0 0 14px;border-left:1px solid var(--line);counter-reset:t}
[dir=rtl] .toc ol{padding:0 14px 0 0;border-left:0;border-right:1px solid var(--line)}
.toc li{margin:0 0 12px;counter-increment:t}
.toc a{display:block;text-decoration:none;color:var(--muted);transition:color .2s}
.toc a::before{content:counter(t,decimal-leading-zero);display:block;font:600 11px/1 var(--sans);letter-spacing:.12em;color:var(--line);margin-bottom:4px;transition:color .2s}
.toc a:hover,.toc a.on{color:var(--ink)}
.toc a.on::before{color:var(--shu)}

/* home cards */
.cards{list-style:none;padding:0;margin:0;display:grid;gap:28px;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));scroll-margin-top:90px}
.cards li{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:transform .35s cubic-bezier(.2,.7,.2,1),box-shadow .35s}
.cards li:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card-art{display:block;aspect-ratio:5/3;overflow:hidden}
.card-art svg{width:100%;height:100%;display:block;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.cards li:hover .card-art svg{transform:scale(1.05)}
.card-body{padding:22px 24px 26px}
.cards h2{margin:10px 0 10px;font-size:23px;line-height:1.22}
.cards h2 a{color:var(--ink);text-decoration:none}
.cards h2 a::after{content:"";position:absolute;inset:0}
.cards p{margin:0;color:var(--muted);font-size:15.5px;line-height:1.6}
.tag{display:inline-block;font:600 11.5px/1 var(--sans);text-transform:uppercase;letter-spacing:.14em;color:var(--shu-ink);background:color-mix(in srgb,var(--shu) 12%,transparent);padding:7px 10px;border-radius:999px}

/* newsletter */
.signup{position:relative;margin:80px 0 20px;padding:48px clamp(24px,5vw,64px);border-radius:28px;background:var(--ai);color:#f3ecdf;overflow:hidden;isolation:isolate}
.signup::before{content:"";position:absolute;inset:0;z-index:-1;opacity:.14;background:radial-gradient(circle at 0 100%,transparent 18px,#fff 19px,transparent 20px) 0 0/40px 20px,radial-gradient(circle at 20px 100%,transparent 18px,#fff 19px,transparent 20px) 0 0/40px 20px}
.signup h2{font-size:clamp(28px,3.4vw,40px);margin:0 0 10px;color:#fff}
.signup p{max-width:40em;margin:0;font-size:17px;opacity:.9}
.signup em{display:inline-block;margin-top:14px;font-style:normal;font-size:13px;letter-spacing:.04em;padding:6px 12px;border:1px solid rgba(255,255,255,.35);border-radius:999px}
.signup-mark{position:absolute;right:clamp(20px,4vw,56px);top:36px}
[dir=rtl] .signup-mark{right:auto;left:clamp(20px,4vw,56px)}
.signup-mark .hanko{width:64px;height:64px;transform:rotate(8deg)}
@media (max-width:640px){.signup-mark{display:none}}

/* article hero */
.article-hero{position:relative;padding:64px 0 48px;background:var(--paper-2);overflow:hidden;isolation:isolate;border-bottom:1px solid var(--line)}
.article-art{position:absolute;inset:0 0 0 auto;width:min(46%,560px);z-index:-1;-webkit-mask-image:linear-gradient(90deg,transparent,#000 40%);mask-image:linear-gradient(90deg,transparent,#000 40%)}
[dir=rtl] .article-art{inset:0 auto 0 0;-webkit-mask-image:linear-gradient(270deg,transparent,#000 40%);mask-image:linear-gradient(270deg,transparent,#000 40%)}
.article-art svg{width:100%;height:100%;display:block}
.article-hero h1{font-size:clamp(34px,4.8vw,58px);line-height:1.06;margin:18px 0 20px;max-width:15em;font-weight:500;letter-spacing:-.02em;text-wrap:balance}
@media (max-width:760px){.article-art{width:100%;opacity:.28}}
.meta{font:500 13px/1.5 var(--sans);color:var(--muted)}
.meta.checked{display:inline-flex;align-items:center;gap:8px;background:var(--card);border:1px solid var(--line);padding:8px 14px 8px 10px;border-radius:999px}
.meta.checked::before{content:"";width:18px;height:18px;border-radius:50%;flex:none;background:var(--matcha) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center/12px no-repeat}

/* article parts */
.note{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px 24px 22px 28px;margin:8px 0 28px;font-size:16.5px;box-shadow:var(--shadow)}
.note::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:4px;border-radius:0 4px 4px 0;background:var(--shu)}
[dir=rtl] .note{padding:22px 28px 22px 24px}
[dir=rtl] .note::before{left:auto;right:0;border-radius:4px 0 0 4px}
.note strong{color:var(--shu-ink)}
table{border-collapse:separate;border-spacing:0;width:100%;font:14.5px/1.5 var(--sans);margin:22px 0;display:block;overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:14px}
th,td{padding:12px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
tr:last-child td{border-bottom:0}
th{font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);background:var(--paper-2);white-space:nowrap}
td:first-child{font-weight:600}
[dir=rtl] th,[dir=rtl] td{text-align:right}
.sources{list-style:none;padding:20px 22px;margin:28px 0 0;font:13.5px/1.6 var(--sans);color:var(--muted);word-break:break-word;background:var(--paper-2);border-radius:var(--r)}
.sources li{padding-left:20px;position:relative;margin:6px 0}
.sources li::before{content:"↗";position:absolute;left:0;color:var(--shu)}
[dir=rtl] .sources li{padding-left:0;padding-right:20px}
[dir=rtl] .sources li::before{left:auto;right:0}

/* footer */
.site-foot{position:relative;margin-top:96px;background:var(--m3);color:#e9dfcf;padding:64px 0 0;overflow:hidden}
@media (prefers-color-scheme:dark){.site-foot{background:#0d0b0a}}
.site-foot .brand{color:#fff;margin-bottom:14px}
.site-foot .brand b{color:#f08a70}
.foot-grid{display:grid;gap:32px;grid-template-columns:minmax(0,1fr);padding-bottom:56px}
@media (min-width:760px){.foot-grid{grid-template-columns:minmax(0,1fr) auto}}
.foot-note{max-width:52em;font-size:14px;line-height:1.7;opacity:.8;margin:0}
.foot-nav{display:flex;gap:22px;align-items:flex-start}
.foot-nav a{color:#fff;text-decoration:none;font-weight:500;font-size:15px}
.foot-hills{height:60px;background:radial-gradient(circle at 50% 0,transparent 18px,rgba(255,255,255,.07) 19px,transparent 21px) 0 0/40px 20px}

/* root language chooser */
body.root .hero-stage{min-height:100vh;align-items:center}
body.root .hero-copy{padding:48px 20px 220px;max-width:1000px}
.brand.big{font-size:clamp(40px,7vw,76px);gap:18px;margin-bottom:34px}
.brand.big .hanko{width:clamp(48px,7vw,78px);height:auto}
.langlist{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(138px,1fr));gap:8px}
.langlist a{display:block;padding:10px 14px;border-radius:12px;background:color-mix(in srgb,var(--card) 78%,transparent);backdrop-filter:blur(6px);border:1px solid var(--line);text-decoration:none;color:var(--ink);font-size:14px;transition:background .2s,transform .2s}
.langlist a:hover{background:var(--shu);color:#fff;transform:translateY(-2px)}

/* ---- 1. seasons: palette per season (sky follows Kyoto time, see site.js) ---- */
.hero-stage[data-season=spring]{--sky1:#fbe4ea;--sky2:#f6d3dc;--m1:#e0b9c2;--m2:#b08690;--shu:#d9546a}
.hero-stage[data-season=summer]{--sky1:#dff0ec;--sky2:#c9e4dc;--m1:#9fc2ad;--m2:#5f8a70;--m3:#23372b;--shu:#e0673c}
.hero-stage[data-season=winter]{--sky1:#e8edf3;--sky2:#d5dde8;--m1:#b8c3d2;--m2:#8190a6;--m3:#2c3444;--shu:#c8432b}
.hero-stage[data-time=dusk]{--sky1:#f4b58f;--sky2:#e0708a}
.hero-stage[data-time=night]{--sky1:#0e1630;--sky2:#2a2350;--m1:#2b2748;--m2:#1d1a33;--m3:#0c0b16;--wave:#2b2748}
.hero-stage[data-time=night] .hero-copy,.hero-stage[data-time=night] .hero-copy p{color:#f3ecdf}
.hero-stage[data-time=night] .hero-copy h1{color:#fff}
.hero-art .sky,.hero-art path,.hero-art rect,.hero-art circle{transition:fill 1.2s ease}
.hero-art stop{transition:stop-color 1.2s ease}
.stars{opacity:0;transition:opacity 1.5s}
.stars circle{animation:twinkle 3.2s ease-in-out infinite alternate}
@keyframes twinkle{to{opacity:.25}}
.moon,.lanterns{opacity:0;transition:opacity 1.5s}
.hero-stage[data-time=night] .stars,.hero-stage[data-time=night] .moon,.hero-stage[data-time=night] .lanterns,.hero-stage[data-time=dusk] .lanterns{opacity:1}
.hero-stage[data-time=night] .sun{opacity:0}
.sun{transition:opacity 1.2s}
.lanterns circle{filter:drop-shadow(0 0 6px #ffb347);animation:glow 2.4s ease-in-out infinite alternate}
@keyframes glow{to{opacity:.55}}
canvas.fx{position:absolute;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none}
.hero-hud{position:absolute;left:0;right:0;top:18px;display:flex;justify-content:space-between;align-items:center;gap:12px;z-index:2}
.kclock{display:inline-flex;align-items:center;gap:8px;font:500 13px/1 var(--sans);padding:8px 14px;border-radius:999px;background:color-mix(in srgb,var(--card) 70%,transparent);backdrop-filter:blur(8px);border:1px solid color-mix(in srgb,var(--line) 70%,transparent);color:var(--ink)}
.kclock b{font-variant-numeric:tabular-nums;font-weight:600}
.kclock i{width:8px;height:8px;border-radius:50%;background:#4caf6a;box-shadow:0 0 0 0 #4caf6a;animation:live 2s infinite}
@keyframes live{70%{box-shadow:0 0 0 8px transparent}}
.season-switch{display:flex;gap:4px;padding:4px;border-radius:999px;background:color-mix(in srgb,var(--card) 70%,transparent);backdrop-filter:blur(8px);border:1px solid color-mix(in srgb,var(--line) 70%,transparent)}
.season-switch button{width:36px;height:36px;border:0;border-radius:50%;background:transparent;color:var(--muted);cursor:pointer;display:grid;place-items:center;transition:background .25s,color .25s,transform .25s}
.season-switch button svg{width:18px;height:18px}
.season-switch button:hover{transform:scale(1.1);color:var(--ink)}
.season-switch button[aria-pressed=true]{background:var(--shu);color:#fff}
.hero-copy{position:relative;z-index:1}
body:not(.root) .hero-copy{padding-top:clamp(92px,14vh,150px)}

/* ---- 3. parallax layers ---- */
.px{transition:transform .5s cubic-bezier(.2,.7,.2,1);will-change:transform}

/* ---- 4. pagoda reading meter ---- */
.pagoda-meter{position:fixed;right:22px;bottom:22px;width:44px;height:80px;z-index:40;padding:6px;border-radius:14px;background:color-mix(in srgb,var(--card) 80%,transparent);backdrop-filter:blur(8px);border:1px solid var(--line);box-shadow:var(--shadow);opacity:0;transform:translateY(12px);transition:opacity .4s,transform .4s;box-sizing:content-box}
[dir=rtl] .pagoda-meter{right:auto;left:22px}
.pagoda-meter.show{opacity:1;transform:none}
.pagoda-meter .tier,.pagoda-meter .spire{fill:var(--line);transition:fill .5s ease,filter .5s}
.pagoda-meter .tier.lit{fill:var(--shu);filter:drop-shadow(0 0 3px color-mix(in srgb,var(--shu) 60%,transparent))}
.pagoda-meter.done .spire{fill:var(--shu)}
.pagoda-meter.done{animation:bow .8s ease}
@keyframes bow{40%{transform:translateY(-6px) rotate(-3deg)}}

/* ---- 5. brush-stroke underline drawn on reveal ---- */
.brush{display:block;width:min(220px,60%);height:14px;margin-top:6px;overflow:visible}
.brush path{fill:none;stroke:var(--shu);stroke-width:5;stroke-linecap:round;stroke-dasharray:260;stroke-dashoffset:260;opacity:.85;transition:stroke-dashoffset 1.1s cubic-bezier(.6,.1,.2,1) .15s}
.drawn .brush path{stroke-dashoffset:0}
[dir=rtl] .brush{transform:scaleX(-1);margin-left:auto}

/* ---- 6. ink-wash page transitions ---- */
@view-transition{navigation:auto}
::view-transition-old(root){animation:.45s ease both ink-out}
::view-transition-new(root){animation:.7s cubic-bezier(.2,.7,.2,1) both ink-in}
@keyframes ink-out{to{opacity:0;filter:blur(6px)}}
@keyframes ink-in{from{clip-path:circle(0% at var(--vx,50%) var(--vy,40%));filter:blur(4px)}to{clip-path:circle(150% at var(--vx,50%) var(--vy,40%))}}

/* ---- 7. 3D tilt cards with glare ---- */
.cards{perspective:1100px}
.cards li{transform-style:preserve-3d;will-change:transform}
.cards li.tilting{transition:transform .08s linear,box-shadow .35s}
.cards li::after{content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit;background:radial-gradient(circle at var(--gx,50%) var(--gy,0%),rgba(255,255,255,.35),transparent 55%);opacity:0;transition:opacity .3s;mix-blend-mode:soft-light}
.cards li:hover::after{opacity:1}

/* scripts */
html:lang(th) body,html:lang(lo) body,html:lang(km) body,html:lang(my) body,html:lang(si) body{line-height:1.95}
html:lang(ja) h1,html:lang(ja) h2,html:lang(ja) h3,html:lang(zh-Hans) h1,html:lang(zh-Hans) h2,html:lang(zh-Hans) h3,
html:lang(zh-Hant) h1,html:lang(zh-Hant) h2,html:lang(zh-Hant) h3,html:lang(ko) h1,html:lang(ko) h2,html:lang(ko) h3{font-family:var(--sans);font-weight:700;letter-spacing:0}
html:lang(ja) .hero-copy h1,html:lang(zh-Hans) .hero-copy h1,html:lang(zh-Hant) .hero-copy h1,html:lang(ko) .hero-copy h1{font-family:"Hiragino Mincho ProN","Yu Mincho","Noto Serif CJK JP",serif;font-weight:600}

/* reveal on scroll */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}

@media (max-width:640px){
  body{font-size:16.5px}
  .bar{height:58px}
  nav.primary>a{display:none}
  .hero-copy{padding-bottom:220px}
  .hero-stage{min-height:auto}
  .article-hero{padding:40px 0 32px}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}html{scroll-behavior:auto}}
@media print{header.site,.site-foot,.toc,.progress,.hero-art,.article-art{display:none}}

/* ===== round 2 effects (benchmark v2) ===== */
/* A. goshuin stamp rally */
.stamp-book{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin:0 0 28px;padding:16px 20px;border:1px dashed var(--line);border-radius:var(--r);background:var(--card)}
.stamp-count{font:600 22px/1 var(--serif);color:var(--shu-ink);white-space:nowrap}
.stamp-count b{font-size:30px}
.stamp-row{display:flex;flex-wrap:wrap;gap:8px}
.stamp{width:34px;height:34px;color:var(--line);transition:transform .25s,color .25s;display:block}
.stamp svg{width:100%;height:100%}
.stamp.got{color:var(--shu);transform:rotate(-8deg)}
.stamp:hover{transform:scale(1.15) rotate(4deg)}
.goshuin-press{position:fixed;left:50%;top:50%;z-index:80;width:170px;translate:-50% -50%;color:var(--shu);text-align:center;pointer-events:none;animation:press .55s cubic-bezier(.2,1.6,.4,1) both}
.goshuin-press svg{width:170px;height:170px;filter:drop-shadow(0 8px 24px rgba(0,0,0,.25))}
.goshuin-press b{display:block;margin-top:8px;font:600 22px/1 var(--serif);color:var(--ink)}
.goshuin-press.gone{transition:opacity .7s,transform .7s;opacity:0;transform:scale(.9)}
.goshuin-press.still{animation:none}
@keyframes press{0%{transform:scale(2.4) rotate(-18deg);opacity:0}70%{transform:scale(.94) rotate(-6deg);opacity:1}100%{transform:scale(1) rotate(-8deg)}}
/* B. omikuji */
.omikuji{position:fixed;left:22px;bottom:22px;z-index:40;width:52px;height:68px;padding:6px;border:1px solid var(--line);border-radius:14px;background:color-mix(in srgb,var(--card) 85%,transparent);backdrop-filter:blur(8px);box-shadow:var(--shadow);cursor:pointer;transition:transform .2s}
.omikuji:hover{transform:translateY(-3px)}
.omikuji svg{width:100%;height:100%}
.omikuji.shake{animation:shake .65s ease}
@keyframes shake{15%{transform:rotate(-14deg)}30%{transform:rotate(12deg)}45%{transform:rotate(-10deg)}60%{transform:rotate(8deg)}75%{transform:rotate(-4deg)}}
[dir=rtl] .omikuji{left:auto;right:22px}
.omikuji-slip{position:fixed;left:22px;bottom:104px;z-index:41;width:min(300px,calc(100vw - 44px));padding:22px 22px 20px;background:#fffdf5;color:#1f1b16;border:1px solid var(--line);border-radius:6px;box-shadow:var(--shadow);transform-origin:bottom left;transform:scaleY(0);opacity:0;transition:transform .45s cubic-bezier(.2,1.2,.4,1),opacity .3s;background-image:repeating-linear-gradient(0deg,transparent 0 23px,rgba(200,67,43,.08) 23px 24px)}
[dir=rtl] .omikuji-slip{left:auto;right:22px;transform-origin:bottom right}
.omikuji-slip.open{transform:none;opacity:1}
.omikuji-slip .fortune{font:700 44px/1 "Hiragino Mincho ProN","Yu Mincho",serif;color:#c8432b;writing-mode:vertical-rl;float:right;margin:0 0 6px 14px;letter-spacing:.1em}
.omikuji-slip a{font:600 17px/1.35 var(--serif);color:#1f1b16;text-decoration:underline;text-decoration-color:#c8432b}
.omikuji-slip .x{position:absolute;left:8px;top:4px;border:0;background:none;font-size:20px;cursor:pointer;color:#6d6457}
/* C. sound toggle */
.sound-toggle{display:grid;place-items:center;width:38px;height:38px;margin-right:4px;border:1px solid var(--line);border-radius:50%;background:var(--card);color:var(--muted);cursor:pointer;transition:color .2s,border-color .2s}
.sound-toggle .waves{opacity:0;transition:opacity .3s}
.sound-toggle[aria-pressed=true]{color:var(--shu);border-color:var(--shu)}
.sound-toggle[aria-pressed=true] .waves{opacity:1;animation:ring 1.6s ease-in-out infinite}
@keyframes ring{50%{opacity:.3}}
/* D. koi pond */
.site-foot{isolation:isolate}
.koi-pond{position:absolute;inset:0;width:100%;height:100%;z-index:-1;cursor:crosshair}
/* E. ink trail */
.ink-trail{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;mix-blend-mode:multiply}
.hero-stage[data-time=night] .ink-trail{mix-blend-mode:screen;filter:invert(1)}
@media (max-width:640px){.omikuji{width:44px;height:58px;left:14px;bottom:14px}.sound-toggle{width:34px;height:34px}}