/*
Theme Name:  Mitsue-kun Project
Theme URI:   https://mitsue.example
Author:      YR-Design
Author URI:  https://codeberg.org/YR-Design
Description: Bilingual (EN/JP) editorial theme for the Mitsue-kun Project. Zero plugin dependencies — all content managed through a native WordPress settings page and the Customizer. No ACF required.
Version:     2.0.0
Requires at least: 6.4
Tested up to: 6.7
Requires PHP: 8.0
License:     GPL-2.0-or-later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: mitsue
Tags:        one-page, editorial, bilingual, custom-menu, full-width-template
*/

/* ── Design tokens ──────────────────────────────────────────────────────────
   Appearance → Customize → Colours injects a <style> block that overrides
   any of these vars. Typography and brand settings work the same way.
─────────────────────────────────────────────────────────────────────────── */
:root {
  --bg:          #f5f1ea;
  --bg-2:        #efeae0;
  --ink:         #1c1c1a;
  --ink-soft:    #3a3a36;
  --ink-mute:    #6c6a62;
  --rule:        #d8d2c5;
  --rule-soft:   #e6e0d2;
  --accent:      oklch(0.42 0.05 150);
  --accent-deep: oklch(0.30 0.04 150);
  --clay:        oklch(0.58 0.08 60);
  --paper:       #fbf8f1;
  --serif-en: "Cormorant Garamond","Noto Serif JP",Georgia,serif;
  --serif-jp: "Noto Serif JP","Cormorant Garamond",serif;
  --sans-en:  "IBM Plex Sans","Noto Sans JP",system-ui,sans-serif;
  --sans-jp:  "Noto Sans JP","IBM Plex Sans",system-ui,sans-serif;
  --mono:     "IBM Plex Mono",ui-monospace,monospace;
}

/* ── Reset & base ─────────────────────────────────────────────────────────── */
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{background:var(--bg);color:var(--ink);font-family:var(--sans-en);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;}
::selection{background:var(--ink);color:var(--bg);}
a{color:inherit;}
.jp{font-family:var(--serif-jp);letter-spacing:0.02em;}
.jp-sans{font-family:var(--sans-jp);}
.en-serif{font-family:var(--serif-en);}
.mono{font-family:var(--mono);font-size:0.78em;letter-spacing:0.04em;text-transform:uppercase;}
.wrap{max-width:1240px;margin:0 auto;padding:0 48px;}
@media(max-width:720px){.wrap{padding:0 24px;}}

/* ── Disclaimer banner ────────────────────────────────────────────────────── */
.disclaimer-banner{background:oklch(0.30 0.04 150);color:var(--paper);font-size:12.5px;line-height:1.5;text-align:center;}
.disclaimer-banner .wrap{padding:8px 48px;display:flex;flex-direction:column;gap:2px;}
.disclaimer-banner strong{font-weight:700;}
.disclaimer-banner .jp{font-family:var(--sans-jp);}
@media(max-width:760px){.disclaimer-banner .wrap{padding:8px 24px;}}

/* ── Utility bar ──────────────────────────────────────────────────────────── */
.utility{border-bottom:1px solid var(--rule);font-size:12px;color:var(--ink-mute);background:var(--bg);position:sticky;top:0;z-index:100;}
.utility .row{display:flex;justify-content:space-between;align-items:center;height:40px;gap:24px;flex-wrap:nowrap;}
.utility .left,.utility .right{display:flex;gap:18px;align-items:center;white-space:nowrap;}
.utility .dot{width:6px;height:6px;background:var(--accent);border-radius:50%;display:inline-block;}
@media(max-width:760px){.utility .left{display:none;}.utility .right{margin-left:auto;}}
.lang{display:inline-flex;align-items:center;gap:2px;}
.lang button{background:none;border:0;padding:4px 10px;cursor:pointer;color:var(--ink-mute);font:inherit;font-family:var(--mono);font-size:11px;letter-spacing:0.08em;white-space:nowrap;}
.lang button.active{color:var(--ink);border-bottom:1px solid var(--ink);}

/* ── Primary nav ──────────────────────────────────────────────────────────── */
nav.primary{border-bottom:1px solid var(--rule);background:var(--bg);position:sticky;top:40px;z-index:50;}
nav.primary .row{display:flex;align-items:center;justify-content:space-between;height:84px;}
.brand{display:flex;align-items:center;gap:14px;}
.brand .mark{width:44px;height:44px;border:1px solid var(--ink);display:flex;align-items:center;justify-content:center;font-family:var(--serif-jp);font-size:24px;line-height:1;color:var(--ink);}
.brand .name{line-height:1.1;}
.brand .name .en{font-family:var(--serif-en);font-size:19px;font-weight:500;letter-spacing:0.01em;}
.brand .name .jp{font-family:var(--serif-jp);font-size:12px;color:var(--ink-mute);letter-spacing:0.18em;}
.navlinks{display:flex;gap:36px;align-items:center;}
.navlinks a{text-decoration:none;font-size:13px;color:var(--ink-soft);letter-spacing:0.02em;}
.navlinks a:hover{color:var(--accent);}
.nav-cta{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border:1px solid var(--ink);text-decoration:none;color:var(--ink);font-size:13px;letter-spacing:0.02em;transition:background .15s,color .15s;}
.nav-cta:hover{background:var(--ink);color:var(--bg);}
.nav-cta svg{width:10px;height:10px;}
.nav-toggle{-webkit-appearance:none;appearance:none;display:flex;flex-direction:column;justify-content:center;gap:6px;width:44px;height:44px;min-width:44px;min-height:44px;background:none;border:none;cursor:pointer;padding:4px;flex-shrink:0;position:relative;z-index:9999;}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);transition:transform .2s,opacity .2s;}
@media(min-width:761px){
  .nav-toggle{display:none;}
}
@media(max-width:760px){
  .navlinks{display:none;flex-direction:column;align-items:flex-start;gap:0;position:absolute;top:100%;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--rule);padding:8px 0;}
  .navlinks a{padding:14px 24px;font-size:14px;width:100%;box-sizing:border-box;border:none;}
  .nav-cta{border:none;border-top:1px solid var(--rule);margin-top:4px;border-radius:0;padding:14px 24px;width:100%;}
  nav.primary.nav-open .navlinks{display:flex;}
  nav.primary.nav-open .nav-toggle span:nth-child(1){transform:translateY(8px) rotate(45deg);}
  nav.primary.nav-open .nav-toggle span:nth-child(2){opacity:0;}
  nav.primary.nav-open .nav-toggle span:nth-child(3){transform:translateY(-8px) rotate(-45deg);}
}

/* ── Hero ─────────────────────────────────────────────────────────────────── */
.hero{padding:96px 0 88px;border-bottom:1px solid var(--rule);}
.hero .eyebrow{font-family:var(--mono);font-size:11px;color:var(--accent);letter-spacing:0.18em;display:flex;align-items:center;gap:14px;}
.hero .eyebrow::before{content:"";width:36px;height:1px;background:var(--accent);}
.brand-title{margin-top:20px;}
.brand-title.jp{margin-top:28px;}
.brand-title-main{font-family:var(--serif-en);font-weight:700;font-size:clamp(22px,3vw,36px);letter-spacing:0.01em;color:var(--ink);line-height:1.1;}
.brand-title.jp .brand-title-main{font-family:var(--serif-jp);letter-spacing:0.04em;}
.brand-title-sub{font-family:var(--serif-en);font-size:clamp(13px,1.4vw,17px);color:var(--ink-mute);font-style:italic;margin-top:2px;}
.brand-title.jp .brand-title-sub{font-family:var(--serif-jp);font-style:normal;letter-spacing:0.06em;}
.hero h1{font-family:var(--serif-en);font-weight:400;font-size:clamp(44px,6.4vw,92px);line-height:1.02;letter-spacing:-0.015em;margin:28px 0 12px;color:var(--ink);text-wrap:balance;}
.hero h1 em{font-style:italic;color:var(--accent-deep);}
.hero .h1-jp{font-family:var(--serif-jp);font-size:clamp(20px,2vw,28px);font-weight:500;color:var(--ink-soft);letter-spacing:0.05em;margin-bottom:36px;}
.hero .hero-tagline{font-family:var(--serif-en);font-size:clamp(18px,1.8vw,26px);font-style:italic;color:var(--ink-mute);margin-bottom:32px;letter-spacing:0.01em;line-height:1.4;}
.hero .hero-tagline .jp{display:block;font-family:var(--serif-jp);font-style:normal;font-size:clamp(16px,1.4vw,20px);margin-top:8px;color:var(--ink-mute);}
[data-lang="ja"] .hero .hero-tagline{font-size:clamp(14px,1.1vw,17px);color:var(--ink-mute);}
[data-lang="ja"] .hero .hero-tagline .jp{font-size:clamp(18px,1.8vw,26px);color:var(--ink-soft);margin-top:0;}
.hero .lede{max-width:720px;font-size:19px;line-height:1.55;color:var(--ink-soft);font-family:var(--serif-en);font-weight:400;}
.hero .lede .jp{display:block;margin-top:14px;font-size:15px;line-height:1.8;color:var(--ink-mute);}
.hero-meta{display:grid;grid-template-columns:repeat(4,1fr);margin-top:72px;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);}
.hero-meta > div{padding:24px 24px 24px 0;border-right:1px solid var(--rule);}
.hero-meta > div:first-child{padding-left:0;}
.hero-meta > div:nth-child(n+2){padding-left:24px;}
.hero-meta > div:last-child{border-right:0;}
.hero-meta .k{font-family:var(--mono);font-size:10px;color:var(--ink-mute);letter-spacing:0.14em;margin-bottom:8px;}
.hero-meta .v{font-family:var(--serif-en);font-size:22px;font-weight:500;color:var(--ink);line-height:1.2;}
.hero-meta .v small{font-family:var(--sans-en);font-size:12px;color:var(--ink-mute);font-weight:400;display:block;margin-top:4px;}
@media(max-width:860px){
  .hero-meta{grid-template-columns:repeat(2,1fr);}
  .hero-meta > div{border-right:0!important;padding:20px 0!important;border-bottom:1px solid var(--rule);}
}

/* ── Section frame ────────────────────────────────────────────────────────── */
section{padding:112px 0;border-bottom:1px solid var(--rule);}
.section-head{display:grid;grid-template-columns:200px 1fr;gap:64px;margin-bottom:72px;}
.section-head .num{font-family:var(--mono);font-size:11px;color:var(--ink-mute);letter-spacing:0.16em;padding-top:8px;}
.section-head .num .label{display:block;margin-top:4px;color:var(--accent);}
.section-head .num .section-img{display:block;width:100%;margin-top:20px;aspect-ratio:4/3;object-fit:cover;}
.section-head h2{font-family:var(--serif-en);font-weight:400;font-size:clamp(36px,4.4vw,60px);margin:0;line-height:1.05;letter-spacing:-0.01em;color:var(--ink);text-wrap:balance;}
.section-head h2 em{font-style:italic;color:var(--accent-deep);}
.section-head .h2-jp{font-family:var(--serif-jp);font-size:18px;color:var(--ink-mute);margin-top:16px;letter-spacing:0.05em;}
.section-head .h2-sub{margin-top:20px;max-width:560px;color:var(--ink-soft);font-size:16px;line-height:1.65;}
@media(max-width:860px){.section-head{grid-template-columns:1fr;gap:24px;}}

/* ── Pillars ──────────────────────────────────────────────────────────────── */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--rule);}
.pillar{padding:48px 36px 48px 0;border-right:1px solid var(--rule);}
.pillar:nth-child(n+2){padding-left:36px;}
.pillar:last-child{padding-right:0;border-right:0;}
.pillar .num{font-family:'Cinzel',var(--serif-en);font-style:italic;font-size:52px;color:var(--accent);line-height:1;margin-bottom:28px;text-transform:uppercase;}
.pillar h3{font-family:var(--serif-en);font-weight:500;font-size:28px;margin:0 0 4px;letter-spacing:-0.005em;}
.pillar .h3-jp{font-family:var(--serif-jp);font-size:13px;color:var(--ink-mute);margin-bottom:18px;letter-spacing:0.06em;}
.pillar p{color:var(--ink-soft);font-size:15px;line-height:1.7;margin:0 0 20px;}
.pillar .tag{display:inline-block;font-family:var(--mono);font-size:10px;letter-spacing:0.12em;color:var(--ink-mute);padding-top:14px;border-top:1px solid var(--rule-soft);}
@media(max-width:860px){
  .pillars{grid-template-columns:1fr;}
  .pillar{border-right:0!important;border-bottom:1px solid var(--rule);padding:36px 0!important;}
  .pillar:last-child{border-bottom:0;}
}

/* ── Imagery ──────────────────────────────────────────────────────────────── */
.img-slot{background:repeating-linear-gradient(135deg,var(--bg-2) 0 12px,var(--paper) 12px 24px);border:1px solid var(--rule);aspect-ratio:16/10;display:flex;align-items:center;justify-content:center;color:var(--ink-mute);font-family:var(--mono);font-size:11px;letter-spacing:0.14em;text-transform:uppercase;position:relative;}
.img-slot::before{content:"";position:absolute;inset:14px;border:1px solid var(--rule-soft);}

/* ── Rationale ────────────────────────────────────────────────────────────── */
.rationale{display:grid;grid-template-columns:repeat(2,1fr);}
.rationale-item{padding:48px 48px 48px 0;border-top:1px solid var(--rule);}
.rationale-item:nth-child(even){padding-left:48px;border-left:1px solid var(--rule);}
.rationale-item .n{font-family:var(--mono);font-size:10px;color:var(--accent);letter-spacing:0.14em;margin-bottom:18px;}
.rationale-item h4{font-family:var(--serif-en);font-weight:500;font-size:24px;margin:0 0 6px;line-height:1.15;}
.rationale-item .h4-jp{font-family:var(--serif-jp);font-size:13px;color:var(--ink-mute);margin-bottom:18px;letter-spacing:0.05em;}
.rationale-item p{color:var(--ink-soft);font-size:15px;line-height:1.7;margin:0;}
@media(max-width:860px){
  .rationale{grid-template-columns:1fr;}
  .rationale-item{padding:36px 0!important;border-left:0!important;}
}

/* ── Timeline ─────────────────────────────────────────────────────────────── */
.timeline-grid{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);}
.tphase{padding:32px 24px 32px 0;border-right:1px solid var(--rule);}
.tphase:last-child{border-right:0;}
.tphase:not(:first-child){padding-left:24px;}
.tphase.current{background:var(--paper);}
.pname{font-family:var(--mono);font-size:10px;color:var(--ink-mute);letter-spacing:0.14em;margin-bottom:14px;}
.pname.current{color:var(--accent);}
.tphase h5{font-family:var(--serif-en);font-weight:500;font-size:20px;margin:0 0 4px;}
.pjp{font-family:var(--serif-jp);font-size:12px;color:var(--ink-mute);letter-spacing:0.06em;margin-bottom:14px;}
.pmonths{font-family:var(--mono);font-size:10px;color:var(--ink-mute);letter-spacing:0.1em;margin-bottom:12px;}
.pbudget{font-size:13px;color:var(--ink-soft);line-height:1.55;}
.pbudget strong{color:var(--ink);font-weight:500;}
.gates{display:grid;grid-template-columns:repeat(4,1fr);}
.gate{display:flex;align-items:center;gap:16px;padding:20px 24px;border-right:1px solid var(--rule);border-top:1px solid var(--rule);}
.gate:first-child{padding-left:0;}
.gate:last-child{border-right:0;}
.gnum{font-family:var(--mono);font-size:10px;color:var(--accent);letter-spacing:0.14em;white-space:nowrap;}
.gval{font-family:var(--serif-en);font-size:18px;font-weight:500;line-height:1.1;}
.gnote{display:block;font-family:var(--sans-en);font-size:11px;color:var(--ink-mute);font-weight:400;margin-top:2px;}
@media(max-width:860px){
  .timeline-grid{grid-template-columns:1fr 1fr;}
  .tphase{border-right:0!important;border-bottom:1px solid var(--rule);padding:28px 0!important;}
  .gates{grid-template-columns:1fr 1fr;}
  .gate{padding:16px 0!important;border-right:0!important;border-bottom:1px solid var(--rule);}
}

/* ── Governance ───────────────────────────────────────────────────────────── */
.advisors{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));border-top:1px solid var(--rule);margin-bottom:64px;}
.advisor{padding:40px 40px 40px 0;border-right:1px solid var(--rule);}
.advisor+.advisor{padding-left:40px;}
.advisor:last-child{border-right:0;}
.advisor .role{font-family:var(--mono);font-size:10px;color:var(--accent);letter-spacing:0.14em;margin-bottom:20px;}
.advisor .portrait{width:104px;height:104px;border:1px solid var(--rule);display:flex;align-items:center;justify-content:center;font-family:var(--serif-en);font-size:14px;letter-spacing:0.04em;color:var(--ink-mute);margin-bottom:16px;overflow:hidden;}
.advisor .portrait img{width:100%;height:100%;object-fit:cover;object-position:center top;display:block;}
.advisor h4{font-family:var(--serif-en);font-size:22px;font-weight:500;margin:0 0 12px;}
.advisor .credit{font-size:14px;color:var(--ink-soft);line-height:1.65;margin:0;}
.governance{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--rule);}
.gov-col{padding:40px 40px 40px 0;border-right:1px solid var(--rule);}
.gov-col:last-child{padding-left:40px;border-right:0;}
.gov-col h5{font-family:var(--mono);font-size:10px;color:var(--ink-mute);letter-spacing:0.14em;margin:0 0 24px;}
.gov-col ul{list-style:none;padding:0;margin:0;}
.gov-col ul li{display:flex;justify-content:space-between;align-items:baseline;padding:10px 0;border-bottom:1px solid var(--rule-soft);font-size:14px;}
.gov-col ul li .when{font-family:var(--mono);font-size:10px;color:var(--ink-mute);letter-spacing:0.1em;}
@media(max-width:860px){
  .advisors,.governance{grid-template-columns:1fr;}
  .advisor,.gov-col{border-right:0!important;border-bottom:1px solid var(--rule);padding:32px 0!important;}
}

/* ── Funding ──────────────────────────────────────────────────────────────── */
table.funding{width:100%;border-collapse:collapse;font-size:14px;}
table.funding thead th{font-family:var(--mono);font-size:10px;color:var(--ink-mute);letter-spacing:0.12em;padding:12px 16px 12px 0;border-bottom:2px solid var(--ink);text-align:left;}
table.funding thead th:first-child{width:52px;}
table.funding tbody td{padding:18px 16px 18px 0;border-bottom:1px solid var(--rule);vertical-align:top;}
table.funding tbody td:first-child{font-family:var(--mono);font-size:11px;color:var(--accent);letter-spacing:0.1em;white-space:nowrap;}
table.funding .layer-name{font-weight:500;}
table.funding .desc{display:block;font-size:12px;color:var(--ink-mute);font-weight:400;margin-top:4px;}
table.funding .num{font-family:var(--serif-en);font-size:18px;white-space:nowrap;}
table.funding .total{border-top:2px solid var(--ink);}
table.funding .total td{font-weight:500;}

/* ── Principles ───────────────────────────────────────────────────────────── */
.principles{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--rule);}
.prin{padding:40px 40px 40px 0;border-right:1px solid var(--rule);border-bottom:1px solid var(--rule);}
.prin:nth-child(3n){padding-right:0;border-right:0;}
.prin:nth-child(n+2){padding-left:40px;}
.prin:nth-child(3n+1){padding-left:0;}
.prin .n{font-family:'Cinzel',var(--serif-en);font-style:italic;font-size:36px;color:var(--accent);line-height:1;margin-bottom:20px;text-transform:uppercase;}
.prin h6{font-family:var(--serif-en);font-weight:500;font-size:20px;margin:0 0 4px;}
.prin .pjp{font-family:var(--serif-jp);font-size:12px;color:var(--ink-mute);margin-bottom:14px;letter-spacing:0.06em;}
.prin p{font-size:14px;color:var(--ink-soft);line-height:1.7;margin:0;}
@media(max-width:860px){
  .principles{grid-template-columns:1fr;}
  .prin{border-right:0!important;padding:32px 0!important;}
}

/* ── Status ───────────────────────────────────────────────────────────────── */
.status-wrap{display:grid;grid-template-columns:240px 1fr;gap:64px;}
.status-meta .badge{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:10px;color:var(--accent);letter-spacing:0.14em;margin-bottom:16px;}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pulse 2.2s infinite;}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 color-mix(in oklch, var(--accent) 40%, transparent);}70%{box-shadow:0 0 0 8px transparent;}}
.status-meta h3{font-family:var(--serif-en);font-weight:500;font-size:26px;margin:0 0 4px;}
.status-meta .sub{font-family:var(--serif-jp);font-size:13px;color:var(--ink-mute);margin-bottom:12px;}
.status-meta .period{font-family:var(--mono);font-size:10px;color:var(--ink-mute);letter-spacing:0.12em;}
.status-cols{display:grid;grid-template-columns:repeat(3,1fr);}
.status-col{padding:0 32px 0 0;border-right:1px solid var(--rule);}
.status-col:last-child{border-right:0;padding-right:0;}
.status-col:not(:first-child){padding-left:32px;}
.status-col h6{font-family:var(--mono);font-size:10px;color:var(--ink-mute);letter-spacing:0.14em;margin:0 0 20px;}
.status-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.status-col li{font-size:14px;color:var(--ink-soft);line-height:1.5;padding-left:18px;position:relative;}
.status-col li::before{position:absolute;left:0;top:3px;font-size:10px;}
.status-col li.done::before{content:"✓";color:var(--accent);}
.status-col li.prog::before{content:"◦";color:var(--clay);}
.status-col li.next::before{content:"→";color:var(--ink-mute);}
.status-mascot-link{display:inline-flex;align-items:center;gap:6px;color:inherit;text-decoration:none;border-bottom:1px solid var(--accent);}
.status-mascot-img{width:22px;height:22px;object-fit:contain;display:inline-block;}
@media(max-width:860px){
  .status-wrap{grid-template-columns:1fr;}
  .status-cols{grid-template-columns:1fr;}
  .status-col{border-right:0!important;border-bottom:1px solid var(--rule);padding:24px 0!important;}
}

/* ── CTA ──────────────────────────────────────────────────────────────────── */
.cta{background:var(--ink);color:var(--bg);}
.cta .grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;padding:96px 0;}
.cta h2{font-family:var(--serif-en);font-weight:400;font-size:clamp(36px,4.4vw,58px);line-height:1.05;letter-spacing:-0.01em;margin:24px 0 8px;color:var(--bg);}
.cta h2 em{font-style:italic;color:var(--clay);}
.cta .h2-jp{font-family:var(--serif-jp);font-size:15px;color:rgba(245,241,234,0.55);margin-bottom:28px;}
.cta p{color:rgba(245,241,234,0.7);font-size:16px;line-height:1.65;max-width:440px;}
.actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;}
.cta-btn{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;font-size:14px;letter-spacing:0.02em;text-decoration:none;transition:background .15s,color .15s,border-color .15s;}
.cta-btn.primary{background:var(--bg);color:var(--ink);border:1px solid var(--bg);}
.cta-btn.primary:hover{background:transparent;color:var(--bg);}
.cta-btn:not(.primary){border:1px solid rgba(245,241,234,0.3);color:var(--bg);}
.cta-btn:not(.primary):hover{border-color:var(--bg);}
.cta-contact{border-top:1px solid rgba(245,241,234,0.15);}
.cta-contact-row{padding:24px 0;border-bottom:1px solid rgba(245,241,234,0.1);font-size:14px;color:rgba(245,241,234,0.55);}
.cta-contact-row .label{font-family:var(--mono);font-size:10px;color:rgba(245,241,234,0.4);letter-spacing:0.14em;display:block;margin-bottom:8px;}
.cta-contact-row .v{font-family:var(--serif-en);font-size:18px;display:block;margin-bottom:4px;color:var(--bg);}
@media(max-width:860px){.cta .grid{grid-template-columns:1fr;gap:48px;padding:64px 0;}}

/* ── Endorsement / pull-quote band ────────────────────────────────────────── */
.endorsement{padding:96px 0;border-bottom:1px solid var(--rule);background:var(--paper);}
.endorsement .mono{display:block;color:var(--accent);letter-spacing:0.16em;margin-bottom:40px;}
.endorsement blockquote{margin:0;max-width:900px;}
.endorsement blockquote p{font-family:var(--serif-en);font-weight:400;font-size:clamp(21px,2.5vw,31px);line-height:1.42;letter-spacing:-0.005em;color:var(--ink);margin:0 0 0.85em;text-wrap:pretty;}
.endorsement blockquote p:last-of-type{margin-bottom:0;}
.endorsement blockquote a{color:var(--accent-deep);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.endorsement blockquote a:hover{color:var(--accent);}
.endorsement cite{display:block;margin-top:44px;padding-top:24px;border-top:1px solid var(--rule);font-style:normal;}
.endorsement cite .cite-name{display:block;font-family:var(--serif-en);font-size:19px;font-weight:500;color:var(--ink);margin-bottom:6px;}
.endorsement cite .cite-role{display:block;font-family:var(--mono);font-size:11px;letter-spacing:0.08em;text-transform:uppercase;color:var(--ink-mute);}
.endorsement blockquote + blockquote{margin-top:72px;padding-top:72px;border-top:1px solid var(--rule);}
/* JP mode: switch the pull-quote and name to the JP serif, with looser leading */
[data-lang="ja"] .endorsement blockquote p{font-family:var(--serif-jp);font-size:clamp(17px,1.9vw,23px);line-height:1.9;letter-spacing:0.02em;}
[data-lang="ja"] .endorsement cite .cite-name{font-family:var(--serif-jp);}
[data-lang="ja"] .endorsement cite .cite-role{text-transform:none;letter-spacing:0.04em;}
@media(max-width:720px){.endorsement{padding:64px 0;}}

/* ── EN / JP language toggle ──────────────────────────────────────────────────
   JS sets data-lang="ja" on <html> when the user picks 日本語.
   Default (EN): JP subtitles sit below as decorative captions.
   JP mode: JP headings are promoted to primary; EN headings recede to captions.
   Body paragraphs switch between .body-en and .body-jp where translations exist.
─────────────────────────────────────────────────────────────────────────── */

/* Smooth cross-fade on all toggled elements */
.hero h1, .hero .h1-jp,
.section-head h2, .section-head .h2-jp,
.pillar h3, .pillar .h3-jp,
.rationale-item h4, .rationale-item .h4-jp,
.tphase h5, .tphase .pjp,
.advisor h4,
.hero .lede, .hero .lede .jp,
.hero .hero-tagline, .hero .hero-tagline .jp,
.body-en, .body-jp {
  transition: font-size .25s ease, color .25s ease, opacity .25s ease;
}

/* Body paragraph EN/JP switching */
.body-jp { display: none !important; }
[data-lang="ja"] .body-en { display: none !important; }
[data-lang="ja"] .body-jp { display: block !important; }
/* Inline elements (small, span) need inline not block */
[data-lang="ja"] small.body-jp,
[data-lang="ja"] span.body-jp { display: inline !important; }

/* ── JP mode: hero ── */
[data-lang="ja"] .hero h1 {
  font-size: clamp(22px, 2.8vw, 38px);
  color: var(--ink-mute);
  margin-bottom: 6px;
}
[data-lang="ja"] .hero .h1-jp {
  font-size: clamp(28px, 4vw, 60px);
  color: var(--ink);
  font-weight: 600;
  margin-bottom: 28px;
  letter-spacing: 0.04em;
}
[data-lang="ja"] .hero .lede {
  font-size: 16px;
  color: var(--ink-mute);
}
[data-lang="ja"] .hero .lede .jp {
  font-size: 18px;
  line-height: 1.9;
  color: var(--ink-soft);
  margin-top: 0;
}

/* ── JP mode: section headings ── */
[data-lang="ja"] .section-head h2 {
  font-size: clamp(18px, 2.2vw, 30px);
  color: var(--ink-mute);
  font-weight: 400;
}
[data-lang="ja"] .section-head .h2-jp {
  font-size: clamp(22px, 3vw, 44px);
  color: var(--ink);
  font-weight: 600;
  margin-top: 4px;
  letter-spacing: 0.04em;
}

/* ── JP mode: pillar titles ── */
[data-lang="ja"] .pillar h3 {
  font-size: 16px;
  color: var(--ink-mute);
  font-weight: 400;
}
[data-lang="ja"] .pillar .h3-jp {
  font-size: 22px;
  color: var(--ink);
  margin-bottom: 16px;
  letter-spacing: 0.06em;
}

/* ── JP mode: rationale titles ── */
[data-lang="ja"] .rationale-item h4 {
  font-size: 14px;
  color: var(--ink-mute);
  font-weight: 400;
}
[data-lang="ja"] .rationale-item .h4-jp {
  font-size: 20px;
  color: var(--ink);
  margin-bottom: 14px;
  letter-spacing: 0.05em;
}

/* ── JP mode: timeline phase titles ── */
[data-lang="ja"] .tphase h5 {
  font-size: 13px;
  color: var(--ink-mute);
  font-weight: 400;
}
[data-lang="ja"] .tphase .pjp {
  font-size: 18px;
  color: var(--ink);
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

/* ── JP mode: principle numerals stay italic, body text stays EN ── */
[data-lang="ja"] .prin h6 {
  font-size: 14px;
  color: var(--ink-mute);
  font-weight: 400;
}
[data-lang="ja"] .prin .pjp {
  font-size: 18px;
  color: var(--ink);
  font-weight: 600;
  margin-bottom: 12px;
}

/* ── JP mode: CTA section heading ── */
[data-lang="ja"] .cta h2 {
  font-size: clamp(20px, 2.4vw, 34px);
  opacity: 0.6;
}
[data-lang="ja"] .cta .h2-jp {
  font-family: var(--serif-jp);
  font-size: clamp(22px, 2.8vw, 40px);
  color: var(--bg);
  opacity: 1;
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}

/* ── Language switcher button state ── */
.lang button { cursor: pointer; }
[data-lang="ja"] .lang button:first-child { color: var(--ink-mute); border-bottom: none; }
[data-lang="ja"] .lang button:last-child  { color: var(--ink); border-bottom: 1px solid var(--ink); }

/* ── Footer ───────────────────────────────────────────────────────────────── */
footer{padding:64px 0 48px;border-top:1px solid var(--rule);}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 150px;gap:48px;padding-bottom:48px;border-bottom:1px solid var(--rule);}
.foot-mascot{align-self:start;}
.foot-mascot img{width:150px;max-width:100%;height:auto;display:block;}
.foot-grid h6{font-family:var(--mono);font-size:10px;color:var(--ink-mute);letter-spacing:0.14em;margin:0 0 18px;}
.foot-grid ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px;}
.foot-grid ul li,.foot-grid ul a{font-size:13px;color:var(--ink-mute);text-decoration:none;}
.foot-grid ul a:hover{color:var(--accent);}
.foot-meta{display:flex;justify-content:space-between;padding-top:24px;font-family:var(--mono);font-size:10px;color:var(--ink-mute);letter-spacing:0.1em;}
@media(max-width:860px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .foot-mascot{grid-column:1/-1;justify-self:center;align-self:auto;}
  .foot-meta{flex-direction:column;gap:8px;}
}

/* ── Lightbox ─────────────────────────────────────────────── */
.mitsue-lb-trigger{cursor:zoom-in;}
#mitsue-lb{display:none;position:fixed;inset:0;z-index:9999;background:rgba(10,8,6,0.92);align-items:center;justify-content:center;}
#mitsue-lb.active{display:flex;}
#mitsue-lb-inner{position:relative;display:flex;align-items:center;justify-content:center;max-width:92vw;max-height:92vh;}
#mitsue-lb-img{max-width:90vw;max-height:88vh;object-fit:contain;box-shadow:0 16px 60px rgba(0,0,0,0.6);display:block;}
#mitsue-lb-close{position:fixed;top:20px;right:24px;background:none;border:none;color:#fff;font-size:28px;line-height:1;cursor:pointer;opacity:0.7;padding:8px;transition:opacity 0.15s;}
#mitsue-lb-close:hover{opacity:1;}
@media(max-width:640px){#mitsue-lb-img{max-width:96vw;max-height:80vh;}}