/* =====================================================================
   JAPAN CULTURE — shared design system
   Used by index.html, events.html, journal.html, post.html
   ===================================================================== */
:root{
  --paper:#fbf6ec; --paper-2:#f1e7d4; --sand:#e9dcc0;
  --ink:#221a14; --ink-2:#3a2c20; --ink-soft:rgba(34,26,20,.66); --ink-faint:rgba(34,26,20,.42);
  --white:#fff;
  --vermilion:#e23b2e; --vermilion-d:#c22a1f;
  --vermilion-btn:#d4321f;    /* AA-contrast (4.9:1) red for white-text buttons */
  --vermilion-text:#c5281c;   /* AA-contrast vermilion for small text/links on light */
  --gold:#c98f2c; --gold-soft:#d8a648;
  --gold-text:#8a6210;        /* AA-contrast gold for small text on light */
  --plum:#a23258; --sky:#2f6f8f; --matcha:#6f8f3f;
  --line:rgba(34,26,20,.18);
  --ink-deep:#1c150f;
  --focus:#1d6fb8;            /* visible focus ring, high contrast on light + dark */
}
/* darker faint tone meets AA (was .42 → too light) */
:root{ --ink-faint:rgba(34,26,20,.6); }
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:auto}
body{background:var(--paper);color:var(--ink);font-family:"Inter",sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden;line-height:1.65;font-weight:400}
.serif{font-family:"Shippori Mincho","Noto Serif JP",serif}
::selection{background:var(--vermilion);color:#fff}
a{color:inherit;text-decoration:none}
img,video{display:block}
img{max-width:100%}

/* ---------- nav (shared) ---------- */
header{position:fixed;top:0;left:0;width:100%;z-index:200;display:flex;align-items:center;justify-content:space-between;padding:24px 5vw;transition:padding .5s,background .5s,color .5s}
header.onlight{background:rgba(251,246,236,.92);backdrop-filter:blur(16px) saturate(1.2);border-bottom:1px solid var(--line);color:var(--ink)}
header.onlight.solid{padding:14px 5vw}
.logo{display:flex;align-items:baseline;gap:12px}
.logo .kj{font-family:"Shippori Mincho",serif;font-size:1.2rem;letter-spacing:.12em}
.logo .en{font-size:.66rem;letter-spacing:.42em;text-transform:uppercase;opacity:.7;font-weight:500}
nav.mainnav{display:flex;gap:38px;font-size:.7rem;letter-spacing:.24em;text-transform:uppercase;font-weight:500}
nav.mainnav a{opacity:.82;transition:opacity .4s;position:relative}
nav.mainnav a:hover,nav.mainnav a.active{opacity:1}
nav.mainnav a::after{content:'';position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--vermilion);transition:width .35s}
nav.mainnav a:hover::after,nav.mainnav a.active::after{width:100%}
.navcta{font-size:.66rem;letter-spacing:.28em;text-transform:uppercase;background:var(--vermilion-btn);color:#fff!important;padding:12px 24px;border-radius:30px;transition:.4s;font-weight:600}
.navcta:hover{background:var(--vermilion-d);transform:translateY(-1px)}
.menu-btn{display:none;background:none;border:none;color:currentColor;font-size:1.4rem;cursor:pointer}
@media(max-width:940px){nav.mainnav,.navcta{display:none}.menu-btn{display:block}}

#progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--vermilion),var(--gold-soft));z-index:300}

/* ---------- buttons ---------- */
.btn{display:inline-block;font-size:.7rem;letter-spacing:.26em;text-transform:uppercase;padding:16px 34px;border-radius:30px;transition:.4s;font-weight:600;cursor:pointer}
.btn.solid{background:var(--vermilion-btn);color:#fff}
.btn.solid:hover{background:var(--ink);color:#fff}
.btn.ghost{border:1.5px solid var(--line);color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ---------- layout ---------- */
section{position:relative}
.pad{padding:clamp(6rem,12vh,12rem) 8vw}
.container{max-width:1400px;margin:0 auto}
.narrow{max-width:820px;margin:0 auto}
.kicker{display:flex;align-items:center;gap:14px;font-size:.68rem;letter-spacing:.4em;text-transform:uppercase;color:var(--vermilion);margin-bottom:2rem;font-weight:600}
.kicker .ln{width:34px;height:2px;background:var(--vermilion)}
.display{font-weight:500;line-height:1.04;letter-spacing:-.01em;font-size:clamp(2.2rem,5vw,4.4rem);color:var(--ink)}
.lead{font-size:clamp(1.05rem,1.4vw,1.35rem);color:var(--ink-soft);font-weight:300;line-height:1.8}
.reveal{opacity:0;transform:translateY(40px);transition:opacity 1.1s cubic-bezier(.16,1,.3,1),transform 1.1s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- page hero (sub-pages) ---------- */
.pagehero{padding:clamp(9rem,18vh,15rem) 8vw clamp(3rem,6vh,5rem);background:var(--paper-2);border-bottom:1px solid var(--line)}
.pagehero .kicker{margin-bottom:1.4rem}
.pagehero h1{font-weight:500;font-size:clamp(2.6rem,6vw,5rem);line-height:1;letter-spacing:-.01em}
.pagehero p{margin-top:1.4rem;max-width:60ch;color:var(--ink-soft);font-weight:300;font-size:clamp(1rem,1.4vw,1.25rem)}

/* ---------- filters ---------- */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:3.5rem}
.filters button{font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;padding:10px 20px;border-radius:30px;border:1px solid var(--line);background:transparent;color:var(--ink-soft);cursor:pointer;transition:.35s;font-weight:600;font-family:inherit}
.filters button:hover{border-color:var(--ink)}
.filters button.active{background:var(--vermilion-btn);color:#fff;border-color:var(--vermilion-btn)}

/* ---------- events list ---------- */
.ev-list{border-top:1px solid var(--line)}
.ev-row{display:grid;grid-template-columns:120px 1fr auto auto;gap:2.5rem;align-items:center;padding:1.9rem 0;border-bottom:1px solid var(--line);transition:.4s}
.ev-row:hover{padding-left:1.2rem}
.ev-row .when{font-family:"Shippori Mincho",serif;font-size:1.05rem;color:var(--vermilion)}
.ev-row .when small{display:block;font-family:"Inter",sans-serif;font-size:.62rem;letter-spacing:.12em;color:var(--ink-faint);text-transform:uppercase;margin-top:4px}
.ev-row .what{font-size:clamp(1.2rem,2vw,1.7rem);font-weight:500;color:var(--ink)}
.ev-row .what .cat{display:inline-block;font-family:"Inter",sans-serif;font-size:.58rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);border:1px solid var(--gold);border-radius:20px;padding:3px 10px;margin-left:12px;vertical-align:middle;font-weight:600}
.ev-row .where{font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-faint);text-align:right}
.ev-row .arrow{font-size:1.1rem;color:var(--ink-faint);transition:.4s}
.ev-row:hover .arrow{color:var(--vermilion);transform:translateX(6px)}
@media(max-width:760px){
  .ev-row{grid-template-columns:1fr;gap:.35rem;padding:1.5rem 0}
  .ev-row:hover{padding-left:0}
  .ev-row .when{order:1}.ev-row .what{order:2;font-size:1.35rem;line-height:1.2}
  .ev-row .what .cat{margin-left:8px}
  .ev-row .where{order:3;text-align:left;margin-top:.15rem}
  .ev-row .arrow{display:none}
}

/* ---------- journal grid ---------- */
.jgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.jcard{background:var(--white);border-radius:12px;overflow:hidden;transition:.45s;display:flex;flex-direction:column;box-shadow:0 14px 40px rgba(34,26,20,.08)}
.jcard:hover{transform:translateY(-8px);box-shadow:0 26px 56px rgba(34,26,20,.16)}
.jcard .ph{position:relative;aspect-ratio:4/3;overflow:hidden}
.jcard .ph img{width:100%;height:100%;object-fit:cover;transition:transform 1s cubic-bezier(.16,1,.3,1);filter:saturate(1.2) contrast(1.05) brightness(1.04)}
.jcard:hover .ph img{transform:scale(1.06)}
.jcard .b{padding:2rem;flex:1;display:flex;flex-direction:column}
.jcard .t{font-size:.64rem;letter-spacing:.24em;text-transform:uppercase;color:var(--vermilion);margin-bottom:1rem;font-weight:600}
.jcard h4{font-weight:500;font-size:1.3rem;line-height:1.25;margin-bottom:.7rem;color:var(--ink)}
.jcard p{font-size:.9rem;color:var(--ink-soft);font-weight:300}
.jcard .m{margin-top:auto;padding-top:1.4rem;font-size:.66rem;letter-spacing:.16em;color:var(--ink-faint);text-transform:uppercase}
@media(max-width:900px){.jgrid{grid-template-columns:1fr}}

/* ---------- article (post.html) ---------- */
.article-hero{position:relative;height:60vh;min-height:420px;overflow:hidden;display:flex;align-items:flex-end}
.article-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(1.15) brightness(.92)}
.article-hero .scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,12,8,.2),rgba(20,12,8,.78))}
.article-hero .meta{position:relative;z-index:2;padding:0 8vw 4vh;color:#fff;max-width:1100px}
.article-hero .t{font-size:.66rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold-soft);margin-bottom:1rem;font-weight:600}
.article-hero h1{font-weight:500;font-size:clamp(2.2rem,5vw,4rem);line-height:1.06;letter-spacing:-.01em;max-width:22ch}
.article-hero .byline{margin-top:1.4rem;font-size:.78rem;letter-spacing:.06em;color:rgba(255,255,255,.78)}
.article-body{max-width:720px;margin:0 auto;padding:clamp(4rem,8vh,7rem) 6vw}
.article-body h1{display:none}
.article-body h2{font-family:"Shippori Mincho",serif;font-weight:600;font-size:clamp(1.5rem,2.6vw,2rem);margin:2.6rem 0 1rem;line-height:1.2}
.article-body p{font-size:1.12rem;line-height:1.9;color:var(--ink-2);margin-bottom:1.5rem;font-weight:300}
.article-body blockquote{margin:2.4rem 0;padding:1.4rem 2rem;border-left:3px solid var(--vermilion);background:var(--paper-2);font-family:"Shippori Mincho",serif;font-size:1.3rem;line-height:1.5;color:var(--ink)}
.article-body a{color:var(--vermilion);border-bottom:1px solid var(--vermilion)}
.article-body strong{font-weight:600}

/* ---------- footer (shared) ---------- */
footer{background:var(--ink-deep);color:#fff;padding:6rem 8vw 3rem}
.fgrid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3vw;max-width:1400px;margin:0 auto;padding-bottom:4rem}
.fbrand .kj{font-family:"Shippori Mincho",serif;font-size:1.4rem;letter-spacing:.1em;color:#fff}
.fbrand .en{display:block;font-size:.64rem;letter-spacing:.4em;text-transform:uppercase;color:rgba(255,255,255,.5);margin-top:.5rem}
.fbrand p{margin-top:1.4rem;color:rgba(255,255,255,.6);font-weight:300;font-size:.9rem;max-width:34ch}
footer h5{font-size:.64rem;letter-spacing:.26em;text-transform:uppercase;color:var(--gold-soft);margin-bottom:1.3rem}
footer ul{list-style:none}
footer li{margin-bottom:.8rem}
footer li a{color:rgba(255,255,255,.66);font-size:.9rem;font-weight:300;transition:.3s}
footer li a:hover{color:#fff}
.fbot{max-width:1400px;margin:0 auto;padding-top:2.4rem;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;font-size:.7rem;letter-spacing:.1em;color:rgba(255,255,255,.45)}
@media(max-width:860px){.fgrid{grid-template-columns:1fr 1fr}}

/* loading / empty states */
.loading{padding:4rem 0;text-align:center;color:var(--ink-faint);font-size:.8rem;letter-spacing:.2em;text-transform:uppercase}
.empty{padding:3rem 0;color:var(--ink-faint)}

/* =====================================================================
   ACCESSIBILITY (WCAG 2.1 AA)
   ===================================================================== */
/* skip-to-content link */
.skip-link{position:absolute;left:50%;top:-60px;transform:translateX(-50%);z-index:400;
  background:var(--ink);color:#fff;padding:12px 22px;border-radius:0 0 8px 8px;
  font-size:.8rem;letter-spacing:.1em;text-decoration:none;transition:top .2s}
.skip-link:focus{top:0}

/* visible keyboard focus everywhere (mouse clicks stay clean via :focus-visible) */
a:focus-visible,button:focus-visible,[tabindex]:focus-visible,input:focus-visible{
  outline:3px solid var(--focus);outline-offset:3px;border-radius:2px}
/* on dark sections, use a light ring */
footer a:focus-visible,.article-hero a:focus-visible{outline-color:#fff}

/* contrast-safe small text / links on light backgrounds */
.kicker,.ev-row .when,.jcard .t,.article-body a,.sec-link{color:var(--vermilion-text)}
.ev-row .what .cat{color:var(--gold-text);border-color:var(--gold-text)}
.ev-row .when small{color:var(--ink-soft)}
.jcard .m,.ev-row .where{color:var(--ink-soft)}
.filters button{color:var(--ink-soft)}

/* respect reduced-motion preference */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1!important;transform:none!important;filter:none!important}
}

/* screen-reader-only utility */
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}