/*
Theme Name: CICJ - Center for International Criminal Justice
Theme URI: https://example.com/
Author: CICJ
Author URI: https://example.com/
Description: 国際刑事司法研究所（Center for International Criminal Justice）公式サイト用テーマ。1カラム、ハイコントラスト、シックなダーク調の学術機関向けデザイン。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: cicj
*/

/* =====================================================================
   国際刑事司法研究所 — Institute for International Criminal Justice
   Shared design system
   - 1-column, high-contrast, chic dark institutional aesthetic
   - 4 switchable color patterns (data-theme on <html>)
   - Sans-serif (gothic) throughout
   ===================================================================== */

/* ---------- Color patterns -------------------------------------------- */
:root,
:root[data-theme="navy"] {
  --bg:        #ffffff;
  --bg-2:      #f4f2ea;
  --panel:     #ffffff;
  --panel-2:   #f7f5ee;
  --ink:       #15233c;
  --ink-dim:   #45556b;
  --ink-faint: #8893a2;
  --line:      rgba(20,35,60,.14);
  --line-2:    rgba(20,35,60,.07);
  --accent:    #16407e;   /* vivid navy (brand)   */
  --accent-2:  #c8a23c;   /* gold (decorative)    */	
  --accent-3:    #a3203f;   /* vivid bordeaux       */
  --accent-ink:#ffffff;
  --accent-soft: rgba(22,64,126,.08);
  --on-accent: #eef3fb;
  --hero-tint: linear-gradient(180deg, color-mix(in srgb, var(--accent) 48%, transparent) 0%, color-mix(in srgb, var(--accent) 70%, transparent) 55%, color-mix(in srgb, var(--accent) 86%, transparent) 100%);
}
:root[data-theme="bordeaux"] {
  --bg:        #ffffff;
  --bg-2:      #f6f0f1;
  --panel:     #ffffff;
  --panel-2:   #f8f1f1;
  --ink:       #221d20;
  --ink-dim:   #564c4f;
  --ink-faint: #948a8d;
  --line:      rgba(34,29,32,.14);
  --line-2:    rgba(34,29,32,.07);
  --accent:    #a3203f;   /* vivid bordeaux       */
  --accent-2:  #c95870;
  --accent-3:    #16407e;   /* vivid navy (brand)   */
  --accent-ink:#ffffff;
  --accent-soft: rgba(163,32,63,.08);
  --on-accent: #fbeef1;
  --hero-tint: linear-gradient(180deg, color-mix(in srgb, var(--accent) 48%, transparent) 0%, color-mix(in srgb, var(--accent) 70%, transparent) 55%, color-mix(in srgb, var(--accent) 86%, transparent) 100%);
}
:root[data-theme="green"] {
  --bg:        #ffffff;
  --bg-2:      #eef3ec;
  --panel:     #ffffff;
  --panel-2:   #f0f5ef;
  --ink:       #15271c;
  --ink-dim:   #46584c;
  --ink-faint: #859184;
  --line:      rgba(21,39,28,.14);
  --line-2:    rgba(21,39,28,.07);
  --accent:    #1d7048;   /* vivid forest green   */
  --accent-2:  #4f9069;
  --accent-ink:#ffffff;
  --accent-soft: rgba(29,112,72,.09);
  --on-accent: #eef6f0;
  --hero-tint: linear-gradient(180deg, color-mix(in srgb, var(--accent) 48%, transparent) 0%, color-mix(in srgb, var(--accent) 70%, transparent) 55%, color-mix(in srgb, var(--accent) 86%, transparent) 100%);
}
:root[data-theme="brown"] {
  --bg:        #fbf6ee;
  --bg-2:      #f1e8d8;
  --panel:     #ffffff;
  --panel-2:   #f6efe2;
  --ink:       #2a1f13;
  --ink-dim:   #5e4e3c;
  --ink-faint: #9c8a73;
  --line:      rgba(42,31,19,.15);
  --line-2:    rgba(42,31,19,.07);
  --accent:    #9a5a24;   /* vivid sienna brown   */
  --accent-2:  #c08a48;
  --accent-ink:#ffffff;
  --accent-soft: rgba(154,90,36,.09);
  --on-accent: #f8efe2;
  --hero-tint: linear-gradient(180deg, color-mix(in srgb, var(--accent) 48%, transparent) 0%, color-mix(in srgb, var(--accent) 70%, transparent) 55%, color-mix(in srgb, var(--accent) 86%, transparent) 100%);
}

/* ---------- Reset / base ---------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Libre Franklin", "Zen Kaku Gothic New", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.72;
  font-weight: 400;
  letter-spacing: .005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
html[lang="ja"] body { letter-spacing: .02em; line-height: 1.85; }
img { display: block; max-width: 100%; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }
button { font-family: inherit; }

h1,h2,h3,h4 { font-weight: 600; line-height: 1.22; margin: 0; /* text-wrap: balance;*/ letter-spacing: -.005em; }
html[lang="ja"] :is(h1,h2,h3,h4) { letter-spacing: .01em; font-weight: 600; }

h1.wp-block-heading {
  font-size: clamp(34px, 5.4vw, 68px); font-weight: 700; line-height: 1.08;
  letter-spacing: -.015em; margin: 18px 0 0; color: #fff; text-shadow: 0 2px 24px rgba(4,8,14,.6);
}
h2.wp-block-heading {
  font-size: clamp(26px, 3.4vw, 40px); margin-top: 14px; margin-bottom: clamp(34px, 5vh, 56px); letter-spacing: -.01em;
}
h3.wp-block-heading,
h3.h3-color { 
  margin-bottom: 1.0em;
  font-size: 1.3em;
  color: var(--accent);
}
p { margin: 0 0 1.15em; text-wrap: pretty; }
p.wp-block-paragraph {
   margin-bottom: 1.5em;
}
ul.wp-block-list,
ul { padding-left: 1.5em; }

::selection { background: var(--accent); color: var(--accent-ink); }

/* ---------- Layout ---------------------------------------------------- */
.wrap { width: 100%; max-width: 1120px; margin-inline: auto; padding-inline: clamp(22px, 5vw, 56px); }
.wrap-narrow { max-width: 860px; }
section { position: relative; }

/* eyebrow / kicker */
.kicker {
  display: inline-flex; align-items: center; gap: .6em;
  font-size: clamp(0.875rem, 0.739rem + 0.68vw, 1.25rem); font-weight: 600; letter-spacing: .22em; text-transform: uppercase;
  color: var(--accent);
}
.kicker::before { content: ""; width: 26px; height: 1px; background: var(--accent); display: inline-block; opacity: .85; }
html[lang="ja"] .kicker { letter-spacing: .14em; }

/* ---------- Header ---------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line-2);
}
.site-header .wrap {
  max-width: 1280px;
  display: flex; align-items: center; justify-content: space-between;
  height: 78px; gap: 18px;
}
.brand { display: flex; width: 63%; align-items: center; gap: 10px; flex-shrink: 0; }
#brd .brand { width: 82%; max-width: 800px; }
.brand .emblem {
  width: clamp(3.75rem, 1.5625rem + 8.75vw, 8.125rem); height: auto; flex-shrink: 0;
  display: grid; place-items: center;
  color: var(--accent); font-weight: 700; font-size: clamp(1.5rem, 1.045rem + 2.27vw, 2.75rem); letter-spacing: .04em;
  position: relative;
	margin-top: -0.15em;
	font-family: Rockwell, 'Courier New', Courier, serif;
}
#brd .brand .emblem { margin-top: -0.05em; }


.brand .b-name { display: flex; flex-direction: column; line-height: 1.18; }
.brand .b-jp { font-weight: 600; font-size: clamp(0.938rem, 0.733rem + 1.02vw, 1.5rem); letter-spacing: .04em; }
.brand .b-en { font-size: clamp(0.625rem, 0.466rem + 0.8vw, 1.063rem); letter-spacing: .08em; /*text-transform: uppercase;*/ color: var(--ink-dim); }

.nav { display: flex; align-items: center; gap: clamp(14px, 1.8vw, 30px); }
.nav a {
  font-size: 13px; font-weight: 500; letter-spacing: .05em; color: var(--ink-dim);
  position: relative; padding: 6px 0; transition: color .18s;
}
html[lang="ja"] .nav a { letter-spacing: .06em; }
.nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px; height: 1.5px;
  background: var(--accent); transition: right .24s cubic-bezier(.3,.7,.4,1);
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav a:hover::after, .nav a[aria-current="page"]::after { right: 0; }

.header-tools { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.lang-toggle {
  display: inline-flex; align-items: center; border: 1px solid var(--line);
  border-radius: 999px; overflow: hidden; background: var(--accent-soft);
}
.lang-toggle .button {
  appearance: none; border: 0; background: transparent; cursor: pointer;
  font-size: 12px; font-weight: 600; letter-spacing: .08em; color: var(--ink-dim);
  padding: 6px 13px; transition: color .18s;
}
.lang-toggle .button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); pointer-events: none; }
.lang-toggle .button:not([aria-pressed="true"]):hover { color: var(--ink); }

/* hamburger (mobile) */
.menu-btn { display: none; appearance: none; border: 1px solid var(--line); background: transparent;
  color: var(--ink); width: 40px; height: 40px; border-radius: 6px; cursor: pointer; }
.menu-btn span, .menu-btn span::before, .menu-btn span::after {
  display: block; width: 18px; height: 1.5px; background: var(--accent); margin: 0 auto; position: relative; }
.menu-btn span::before { content: ""; position: absolute; top: -6px; left: 0; }
.menu-btn span::after  { content: ""; position: absolute; top: 6px; left: 0; }
@media (max-width: 640px) { .lang-toggle { margin-right: 10px; } .lang-toggle .button { padding: 6px 8px; }}

/* ---------- Hero ------------------------------------------------------ */
.hero { position: relative;
  overflow: hidden; border-bottom: 1px solid var(--line-2); }
.hero .hero-bg { position: absolute; inset: 0; }
.hero .hero-bg img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 40%;
  filter: brightness(.92) saturate(.95); }
.hero .hero-bg::after { content: ""; position: absolute; inset: 0; background: var(--hero-tint); }
.hero .hero-bg::before { content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(95deg, color-mix(in srgb, var(--accent) 90%, transparent) 0%, color-mix(in srgb, var(--accent) 60%, transparent) 38%, transparent 72%); }
.hero .wrap { position: absolute; left: 50%; bottom: 0; transform: translateX(-50%); z-index: 2; max-width: 1280px; padding-block: clamp(48px, 8vh, 92px); }
.hero-inner { max-width: 760px; }
.hero h1 {
  font-size: clamp(34px, 5.4vw, 68px); font-weight: 700; line-height: 1.08;
  letter-spacing: -.015em; margin: 18px 0 0; color: #fff; text-shadow: 0 2px 24px rgba(4,8,14,.6);
}
html[lang="ja"] .hero h1 { letter-spacing: .015em; line-height: 1.24; font-size: clamp(30px, 4.8vw, 56px); }
.hero .hero-sub {
  margin-top: 26px; font-size: clamp(16px, 1.4vw, 19px); color: #e7edf5;
  max-width: 620px; line-height: 1.8; text-shadow: 0 1px 14px rgba(4,8,14,.65);
}
.hero .kicker { text-shadow: 0 1px 10px rgba(4,8,14,.4); color: var(--accent-2); }
.hero .hero-rule { width: 64px; height: 2px; background: var(--accent); margin-top: 34px; }
.hero-meta {
  position: absolute; z-index: 2; right: clamp(22px, 5vw, 56px); top: 0; bottom: 0;
  display: flex; align-items: flex-end; padding-bottom: clamp(48px, 8vh, 92px);
}
.hero-meta .est {
  writing-mode: vertical-rl; font-size: 11px; letter-spacing: .3em; /*text-transform: uppercase;*/
  color: var(--ink-faint); white-space: nowrap; }

/* image placeholder */
.ph {
  position: relative; background: var(--panel);
  background-image:
    repeating-linear-gradient(135deg, var(--line-2) 0 1px, transparent 1px 14px);
  display: grid; place-items: center;
}
.ph::before {
  content: attr(data-label);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px; letter-spacing: .12em; color: var(--ink-faint);
  text-transform: uppercase; text-align: center; padding: 14px; max-width: 80%;
}

/* ---------- Section scaffolding --------------------------------------- */
.band { padding-block: clamp(64px, 9vh, 116px); }
.band.alt { background: var(--bg-2); }
.section-head { margin-bottom: clamp(34px, 5vh, 56px); }
.section-head h2 {
  font-size: clamp(26px, 3.4vw, 40px); margin-top: 14px; letter-spacing: -.01em;
}
html[lang="ja"] .section-head h2 { letter-spacing: .02em; }
.section-head .lead { margin-top: 18px; color: var(--ink-dim); max-width: 750px; font-size: 17px; }
.section-lead > p { margin-bottom: 1.5em; }

/* ---------- News (accordion, inline) ---------------------------------- */
.news-list { border-top: 1px solid var(--line); }
.news-item { border-bottom: 1px solid var(--line); }
.news-row {
  width: 100%; appearance: none; background: transparent; border: 0; cursor: pointer;
  display: grid!important; grid-template-columns: 100px 100px 1fr 28px; align-items: center;
  gap: 24px; padding: 26px 8px; text-align: left; color: inherit;
  transition: background .2s, padding-left .2s;
}
#English .news-row,#brd .news-row {grid-template-columns: 100px 150px 1fr 28px; }
.news-row:hover { background: var(--accent-soft); padding-left: 16px; }
.news-date { font-size: 14px; color: var(--ink-dim); font-variant-numeric: tabular-nums; letter-spacing: .03em; white-space: nowrap; }
.news-cat {
min-width: inherit!important;
  justify-self: start; font-size: 11px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent); border: 1px solid var(--accent); border-radius: 999px; padding: 4px 12px; white-space: nowrap;
}
.news-cat[data-cat="statement"] { color: var(--ink); border-color: var(--line); }
.news-title { font-size: clamp(16px, 1.5vw, 19px); font-weight: 500; line-height: 1.5; color: var(--ink); }
.news-chev { justify-self: end; color: var(--ink-faint); transition: transform .28s cubic-bezier(.3,.7,.4,1); width: 16px; height: 16px; }
.news-item[aria-expanded="true"] .news-chev { transform: rotate(90deg); color: var(--accent); }
.news-chev.news-ext { transform: none; }
.news-item[aria-expanded="true"] .news-chev.news-ext { transform: none; color: var(--accent); }
a.news-row { text-decoration: none; color: inherit; }

.news-body {
  overflow: hidden; max-height: 0;
  transition: max-height .42s cubic-bezier(.3,.7,.4,1);
}
.news-item[aria-expanded="true"] .news-body { max-height: 1000px; }
.news-body > div { overflow: hidden; }
.news-body-inner {
  padding: 4px 8px 34px; width: 98%; color: var(--ink-dim); font-size: 16px;
}
.news-body-inner p:last-child { margin-bottom: 0; }
.news-body-inner .meta-line { color: var(--ink-faint); font-size: 13px; letter-spacing: .05em; margin-bottom: 14px; }

/* ---------- Generic prose & components used on About ------------------ */
.prose { font-size: 17px; color: var(--ink); }
.prose p { color: var(--ink-dim); }
.prose .signature { margin-top: 26px; color: var(--ink); }
.prose .signature .role { font-size: 13px; color: var(--ink-faint); letter-spacing: .06em; }
.prose .signature .name { font-size: 21px; font-weight: 600; margin-top: 4px; }

.split { display: grid; grid-template-columns: 1fr; gap: clamp(34px, 5vw, 64px); align-items: start; }
@media (min-width: 880px) { .split.media-left { grid-template-columns: 360px 1fr; } }

.portrait { aspect-ratio: 3/4; border: 1px solid var(--line); }

/* definition / overview table */
.info-table { border-top: 1px solid var(--line); }
.info-table .row { display: grid; grid-template-columns: 220px 1fr; gap: 24px; padding: 22px 4px;
  border-bottom: 1px solid var(--line); }
.info-table dt { color: var(--accent); font-weight: 600; font-size: 14px; letter-spacing: .04em; }
.info-table dd { margin: 0; color: var(--ink-dim); }
@media (max-width: 680px) { .info-table .row { grid-template-columns: 1fr; gap: 6px; } }

.wp-block-table table { border-top: 1px solid var(--line); background-color: var(--bg); }
.wp-block-table thead { border-bottom: inherit;}
.wp-block-table table th { color: var(--accent); font-weight: 600; letter-spacing: .04em; background-color: var(--on-accent); }
.wp-block-table table td { margin: 0; color: var(--ink-dim); }

/* timeline */
.timeline { position: relative; margin-top: 8px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 1px; background: var(--line); }
.tl-item { position: relative; padding: 0 0 36px 44px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before { content: ""; position: absolute; left: 4px; top: 7px; width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 4px var(--bg); }
.tl-year { font-size: 14px; font-weight: 700; color: var(--accent); letter-spacing: .06em; font-variant-numeric: tabular-nums; }
.tl-text { margin-top: 6px; color: var(--ink-dim); }

/* pillars / cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 1px; background: var(--line);
  border: 1px solid var(--line); }
.card { background: var(--bg); padding: 34px clamp(24px,2.6vw,38px); }
.card .num { font-size: 13px; font-weight: 700; color: var(--accent); letter-spacing: .12em; }
.card h3 { font-size: 20px; margin: 14px 0 12px; }
.card p { color: var(--ink-dim); font-size: 15px; margin: 0; line-height: 1.7; }

/* breadcrumb / page hero */
.page-hero { padding-block: 3vw; border-bottom: 1px solid var(--line-2);
  background: var(--bg-2); position: relative; overflow: hidden; }
.page-hero h1 { font-size: clamp(32px, 4.4vw, 54px); margin-top: 16px; }
html[lang="ja"] .page-hero h1 { font-size: clamp(28px, 3.8vw, 46px); }
.crumb { font-size: 12px; letter-spacing: .12em; color: var(--ink-faint); text-transform: uppercase; }
.crumb a:hover { color: var(--accent); }

/* ---------- CTA / contact strip --------------------------------------- */
.cta { padding-block: clamp(54px, 7vh, 92px); border-top: 1px solid var(--line); }
.cta-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 26px; }
.cta h2 { font-size: clamp(22px,2.6vw,32px); }
.wp-block-buttons .wp-block-button__link,
.wp-block-file__button,
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 14px 26px; cursor: pointer;
  font-size: 14px; font-weight: 600; letter-spacing: .05em;
  border: 1px solid var(--accent); color: var(--accent); background: transparent;
  border-radius: 0;
  transition: background .2s, color .2s; appearance: none;
}
.wp-block-buttons .wp-block-button__link:hover,
.wp-block-file__button:hover,
.btn:hover { background: var(--accent); color: var(--accent-ink); }
.wp-block-buttons .wp-block-button__link,
.wp-block-file__button,
.btn.solid { background: var(--accent); color: var(--accent-ink); }
.wp-block-file__button { margin: auto 0.8em; }
.btn.solid.red { background: var(--accent-3); border: 1px solid var(--accent-3); }
.wp-block-buttons .wp-block-button__link:hover,
.wp-block-file__button:hover,
.btn.solid:hover { background: var(--accent-2); border-color: var(--accent-2); }
.btn .arr { transition: transform .2s; }
.btn:hover .arr { transform: translateX(3px); }
.txt_link { color: var(--accent); }
.txt_link:hover { color: #16407ea8; }
.net-actions .txt_link { margin: auto 1em auto 0; font-weight: 600; font-size: 14px;}
@media (max-width: 760px) { .net-actions .txt_link {display: none;} }
/* ---------- Footer ---------------------------------------------------- */
.site-footer { background: var(--bg-2); border-top: 1px solid var(--line); padding-block: clamp(54px,7vh,80px) 36px; }
.foot-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
@media (max-width: 760px) { .foot-top { grid-template-columns: 1fr; gap: 32px; } }
.foot-brand .b-jp { font-weight: 600; font-size: 18px; letter-spacing: .03em; }
.foot-brand .b-en { font-size: 11px; letter-spacing: .14em; /*text-transform: uppercase;*/ color: var(--ink-dim); margin-top: 6px; }
.foot-brand p { color: var(--ink-faint); font-size: 14px; margin-top: 18px; max-width: 320px; }
.foot-col h4 { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 16px; }
.foot-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 11px; }
.foot-col a { font-size: 14px; color: var(--ink-dim); }
.foot-col a:hover { color: var(--accent); }
.foot-bottom { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line-2);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  font-size: 12px; color: var(--ink-faint); letter-spacing: .04em; }
@media (max-width: 900px) {
	.foot-col { display: none; }
	.foot-top { grid-template-columns: 1fr; }
}
/* ---------- Lang visibility helpers ----------------------------------- */
[data-ja], [data-en] { } /* filled by JS */

/* ---------- Vanilla color-pattern switcher ---------------------------- */
.theme-switch {
  position: fixed; right: 18px; bottom: 18px; z-index: 70;
  display: flex; align-items: center; gap: 10px;
  padding: 9px 13px; border-radius: 999px;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  backdrop-filter: blur(12px) saturate(140%);
  border: 1px solid var(--line);
  box-shadow: 0 8px 30px rgba(0,0,0,.35);
}
.theme-switch .ts-label {
  font-size: 11px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-dim); padding-right: 2px;
}
.theme-switch .sw {
  appearance: none; cursor: pointer; width: 22px; height: 22px; border-radius: 50%;
  border: 1.5px solid var(--line); padding: 0; position: relative;
  background:
    linear-gradient(135deg, var(--sw-bg) 0 50%, var(--sw-ac) 50% 100%);
  transition: transform .15s, box-shadow .15s, border-color .15s;
}
.theme-switch .sw:hover { transform: scale(1.12); }
.theme-switch .sw[aria-pressed="true"] {
  border-color: var(--ink);
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 3.5px var(--accent);
}
@media print { .theme-switch { display: none; } }
@media (max-width: 620px) {
  .theme-switch { right: 12px; bottom: 12px; padding: 8px 10px; gap: 8px; }
  .theme-switch .ts-label { display: none; }
}

/* ---------- Reveal on scroll ------------------------------------------ */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s cubic-bezier(.3,.7,.4,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- Heading-style tweak (tracked vs plain) -------------------- */
:root[data-headings="plain"] .kicker,
:root[data-headings="plain"] .nav a,
:root[data-headings="plain"] .news-cat { letter-spacing: .04em; text-transform: none; }

/* ---------- Responsive ------------------------------------------------ */
@media (max-width: 900px) {
  .nav { display: none; }
  .menu-btn { display: inline-grid; place-items: center; }
  .hero-meta { display: none; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  #brd .news-row, .news-row { grid-template-columns: 1fr 24px; gap: 8px 12px; padding: 20px 4px; }
  .news-date { grid-column: 1; }
  .news-cat { grid-column: 1; grid-row: 1; }
  .news-title { grid-column: 1 / -1; }
  .news-chev { grid-column: 2; grid-row: 1; }
}

/* mobile nav drawer */
.mobile-nav { position: fixed; inset: 0; z-index: 80; background: var(--bg); display: none; flex-direction: column;
  padding: 28px clamp(22px,5vw,40px); }
.mobile-nav.open { display: flex; }
.mobile-nav .mn-head { display: flex; justify-content: space-between; align-items: center; height: 50px; }
.mobile-nav .mn-head .b-jp { font-weight:600;letter-spacing:.03em; }
.mobile-nav .mn-close { appearance: none; background: transparent; border: 0; color: var(--ink); font-size: 26px; cursor: pointer; }
.mobile-nav nav { display: flex; flex-direction: column; gap: 4px; margin-top: 30px; overflow: scroll; }
.mobile-nav nav a { font-size: 24px; font-weight: 500; padding: 14px 0; border-bottom: 1px solid var(--line-2); }

/* ---------- Clear-tone brand chrome (header / footer on accent) ------- */
.site-header { background: var(--accent); border-bottom: 1px solid rgba(255,255,255,.16); }
.site-header .brand .b-jp { color: var(--on-accent); }
.site-header .brand .b-en { color: rgba(255,255,255,.66); }
.site-header .brand .emblem { color: var(--accent); }
.site-header .nav a { color: rgba(255,255,255,.82); }
.site-header .nav a:hover, .site-header .nav a[aria-current="page"] { color: #fff; }
.site-header .nav a::after { background: var(--accent-2); }
.site-header .lang-toggle { border-color: var(--accent); background: rgba(255,255,255,.12); }
.site-header .lang-toggle .button { color: var(--accent); }
.site-header .lang-toggle .button[aria-pressed="true"] { background: var(--accent); color:#fff ; }
.site-header .lang-toggle .button:not([aria-pressed="true"]):hover { background: #16407ea8; color: #fff; }
.site-header .menu-btn { border-color: rgba(255,255,255,.32); color: var(--accent); }

.site-footer { background: var(--accent); border-top: 0; }
.site-footer .foot-brand .b-jp { color: var(--on-accent); }
.site-footer .foot-brand .b-en { color: rgba(255,255,255,.66); }
.site-footer .foot-brand p { color: rgba(255,255,255,.62); }
.site-footer .foot-col h4 { color: rgba(255,255,255,.55); }
.site-footer .foot-col a { color: rgba(255,255,255,.82); }
.site-footer .foot-col a:hover { color: #fff; }
.site-footer .foot-bottom { border-top-color: rgba(255,255,255,.18); color: rgba(255,255,255,.6); }

/* ===================================================================
   HERO CAROUSEL  (gakkai.html)
   =================================================================== */
.hero .carousel { position: relative; z-index: 0; display: grid; }
.hero .carousel .c-slide { grid-area: 1 / 1; opacity: 0; transition: opacity 1.1s ease; }
#brd .hero .carousel .c-slide { height: 65vw;}
.hero .carousel .c-slide.on { opacity: 1; }
.hero .carousel .c-slide img { width: 100%; height: auto; display: block; filter: brightness(.94) saturate(.96); }
/*
 * .hero .carousel::after { content: ""; position: absolute; inset: 0; z-index: 2; background: var(--hero-tint); }
.hero .carousel::before { content: ""; position: absolute; inset: 0; z-index: 2;
  background: linear-gradient(95deg, color-mix(in srgb, var(--accent) 90%, transparent) 0%, color-mix(in srgb, var(--accent) 60%, transparent) 38%, transparent 72%); }
*/

.c-arrow {
  position: absolute; z-index: 5; top: 50%; transform: translateY(-50%);
  width: 52px; height: 52px; border-radius: 50%; cursor: pointer;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.4);
  color: #fff; display: grid; place-items: center; transition: background .2s, border-color .2s;
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
}
.c-arrow:hover { background: rgba(255,255,255,.26); border-color: #fff; }
.c-prev { left: clamp(14px, 3vw, 38px); }
.c-next { right: clamp(14px, 3vw, 38px); }
.c-arrow svg { width: 20px; height: 20px; }

.c-dots { position: absolute; z-index: 5; left: 0; right: 0; bottom: 26px;
  display: flex; justify-content: center; gap: 11px; }
.c-dot { width: 36px; height: 4px; border-radius: 2px; border: 0; padding: 0; cursor: pointer;
  background: rgba(255,255,255,.4); transition: background .25s, width .25s; }
.c-dot[aria-current="true"] { background: #fff; width: 52px; }
@media (max-width: 900px) { .c-arrow { display: none; } }

/* ===================================================================
   APN CONCENTRIC SYSTEM
   =================================================================== */
.apn-section { overflow-x: clip; }
.apn-stage {
  --S: min(1020px, 94vw);
  position: relative; width: var(--S); height: var(--S);
  margin: 6px auto 0;
}
/* two guide rings */
.apn-guide { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.apn-guide span {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  border-radius: 50%; border: 1px dashed var(--line);
}
.apn-guide span:nth-child(1) { width: calc(var(--S) * .64);  height: calc(var(--S) * .64); }
.apn-guide span:nth-child(2) { width: calc(var(--S) * .95);  height: calc(var(--S) * .95); border-color: var(--line-2); }

/* half labels (desktop) */
.half-label { position: absolute; top: 0; z-index: 7; max-width: 30%; }
.half-label b { font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
.half-label small { display: block; font-size: 11px; letter-spacing: .02em; color: var(--ink-faint); margin-top: 4px; line-height: 1.4; }
.half-label.who { left: 0; }
.half-label.what { right: 0; text-align: right; }

/* CENTER — one blue area: APN + qualities */
.apn-core {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); z-index: 6;
  width: calc(var(--S) * .37); height: calc(var(--S) * .37); border-radius: 50%;
  background: radial-gradient(circle at 50% 36%, color-mix(in srgb, var(--accent) 84%, #fff), var(--accent));
  color: var(--accent-ink);
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 6%;
  box-shadow: 0 26px 64px -18px color-mix(in srgb, var(--accent) 55%, transparent);
}
.apn-core .ac-mark { font-size: clamp(34px, 5vw, 58px); font-weight: 700; letter-spacing: .03em; line-height: 1; }
.apn-core .ac-name { font-size: clamp(11px, 1.25vw, 14.5px); letter-spacing: .04em; line-height: 1.45; margin-top: 9px; max-width: 92%; opacity: .94; }
.apn-core .ac-qualities { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-top: 15px; }
.apn-core .ac-qualities span {
  font-size: clamp(9.5px, .92vw, 11.5px); font-weight: 600; letter-spacing: .01em; padding: 5px 11px; border-radius: 999px;
  background: color-mix(in srgb, #fff 20%, transparent); border: 1px solid color-mix(in srgb, #fff 32%, transparent);
}

/* LAYERS + NODES */
.layer { position: absolute; inset: 0; }
.layer.act   { z-index: 4; --r: calc(var(--S) * .315); }
.layer.outer { z-index: 3; --r: calc(var(--S) * .475); }
.layer .nodes { position: absolute; inset: 0; }
.layer .ring-head { display: none; }
.node {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%,-50%) translate(calc(var(--r) * cos(var(--a))), calc(var(--r) * sin(var(--a))));
  width: clamp(84px, 10.5vw, 130px);
}
.node .nd {
  display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center;
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 13px 10px;
  box-shadow: 0 8px 24px -16px rgba(0,0,0,.5);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.node .nd:hover { transform: translateY(-3px); border-color: var(--accent); box-shadow: 0 16px 32px -18px color-mix(in srgb, var(--accent) 60%, transparent); }
.node .ic { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; flex-shrink: 0; }
.node .ic svg { width: 22px; height: 22px; }
.node .nd h4 { font-size: clamp(11px, .98vw, 13px); line-height: 1.22; color: var(--ink); font-weight: 600; }

/* node colours + activity descriptions are defined in the APN DIAGRAM block below */

/* legend */
.apn-legend { display: flex; flex-wrap: wrap; gap: 10px 20px; justify-content: center; margin-bottom: 26px; }
.apn-legend .lg { display: inline-flex; align-items: center; gap: 9px; font-size: 12.5px; color: var(--ink-dim); letter-spacing: .03em; }
.apn-legend .lg i { width: 14px; height: 14px; border-radius: 4px; display: inline-block; }
.apn-legend .lg[data-r="core"] i { background: var(--accent); }
.apn-legend .lg[data-r="act"]  i { background: color-mix(in srgb, var(--accent) 18%, var(--panel)); border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent); }
.apn-legend .lg[data-r="who"]  i { background: var(--panel); border-top: 2px solid var(--accent); border-bottom: 1px solid var(--line); border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.apn-legend .lg[data-r="what"] i { background: var(--panel); border-top: 2px solid var(--accent-2); border-bottom: 1px solid var(--line); border-left: 1px solid var(--line); border-right: 1px solid var(--line); }

/* ---- mobile: stack from the centre APN downward --------------------- */
@media (max-width: 900px) {
  .apn-stage { width: 100%; height: auto; }
  .apn-guide, .half-label { display: none; }
  .apn-core { position: static; transform: none; margin: 0 auto; border-radius: 24px;
    width: 100%; max-width: 460px; height: auto; padding: 34px 26px; }
  .apn-core .ac-qualities { margin-top: 16px; }
  .layer { position: static; inset: auto; display: block; }
  .layer.act { margin-top: 12px; }
  .grp { margin-top: 12px; }
  .grp::before, .layer.act::before { content: ""; display: block; width: 1px; height: 24px; margin: 6px auto 14px; background: var(--line); }
  .layer .ring-head { display: flex; align-items: baseline; gap: 10px; margin: 0 0 14px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
  .layer .ring-head .rh-t { font-size: 16px; font-weight: 700; color: var(--ink); letter-spacing: .04em; }
  .layer .ring-head .rh-sub { font-size: 11px; letter-spacing: .04em; color: var(--ink-faint); margin-left: auto; }
  .layer .nodes { position: static; inset: auto; display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; }
  .node { position: static; transform: none; width: auto; }
  .node .nd { flex-direction: row; gap: 11px; text-align: left; padding: 12px 13px; align-items: center; }
  .node .nd h4 { font-size: 13.5px; }
  .apn-legend { display: none; }
}
@media (max-width: 460px) {
  .layer .nodes { grid-template-columns: 1fr; }
}

/* ===================================================================
   TIMELINE (page 2 — From the Forum to the Network)
   =================================================================== */
.tl-flow { position: relative; margin-top: 10px; }
.tl-flow::before { content: ""; position: absolute; left: 0; right: 0; top: 19px; height: 2px; background: var(--line); }
.tl-track { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(190px, 1fr); overflow-x: auto; padding-bottom: 14px; scroll-snap-type: x mandatory; }
.tl-stop { position: relative; padding: 0 18px; scroll-snap-align: start; }
.tl-stop::before { content: ""; position: absolute; left: 18px; top: 12px; width: 16px; height: 16px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px var(--bg); }
.tl-stop.major::before { width: 20px; height: 20px; top: 10px; left: 16px; }
.tl-stop .tl-yr { font-size: 15px; font-weight: 700; color: var(--accent); letter-spacing: .04em; padding-top: 40px; }
.tl-stop .tl-ev { font-size: 13.5px; color: var(--ink-dim); margin-top: 8px; line-height: 1.55; max-width: 220px; }
.tl-stop .tl-ev strong { color: var(--ink); font-weight: 600; }
@media (max-width: 760px) {
  .tl-flow::before { left: 19px; right: auto; top: 0; bottom: 0; width: 2px; height: auto; }
  .tl-track { grid-auto-flow: row; grid-auto-columns: auto; overflow: visible; }
  .tl-stop { padding: 0 0 26px 46px; }
  .tl-stop::before { left: 11px; top: 4px; }
  .tl-stop .tl-yr { padding-top: 0; }
  .tl-stop .tl-ev { max-width: none; }
}

.uni-chips { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 4px; }
.uni-chips .uc { font-size: 13px; color: var(--ink-dim); border: 1px solid var(--line); border-radius: 999px; padding: 7px 15px; transition: border-color .2s, color .2s; }
.uni-chips .uc:hover { border-color: var(--accent); color: var(--ink); }

.callout { display: grid; gap: 22px; }
.challenge-row { display: flex; flex-wrap: wrap; gap: 10px; }
.challenge-row .ch { font-size: 13px; font-weight: 600; letter-spacing: .04em; color: var(--accent);
  border: 1px solid var(--accent); border-radius: 6px; padding: 8px 16px; background: var(--accent-soft); }

/* ===================================================================
   APN DIAGRAM — fixed PDF palette (navy / blue / azure / light blue)
   Overrides the theme-accent colors above so the infographic follows
   the original PDF colours regardless of the active colour pattern.
   =================================================================== */
.apn-section {
  --apn-navy:  #163e64;
  --apn-blue:  #215f9a;
  --apn-azure: #00b0f0;
  --apn-light: #caeefb;
}
.apn-core {
  background: radial-gradient(circle at 50% 34%, var(--apn-blue), var(--apn-navy));
  color: #fff;
  box-shadow: 0 26px 64px -18px rgba(22,62,100,.55);
}
.apn-core .ac-qualities span { background: rgba(255,255,255,.16); border-color: rgba(255,255,255,.36); color: #fff; }
.apn-guide span { border-color: rgba(33,95,154,.32); }
.apn-guide span:nth-child(2) { border-color: rgba(33,95,154,.18); }
.half-label b { color: var(--apn-blue); }

/* per-item icon colours taken from the PPTX (set via --ic on each node) */
.node { --ic: var(--apn-blue); }
.node .ic { color: var(--ic); background: color-mix(in srgb, var(--ic) 14%, #fff);
  border: 1px solid color-mix(in srgb, var(--ic) 34%, transparent); }
.node .nd { border-top: 2px solid color-mix(in srgb, var(--ic) 85%, transparent); }
.node .nd h4 { color: var(--apn-navy); }

/* layer 2 — activities on a light-blue (薄い水色) card, with description */
.layer.act .node { width: clamp(122px, 13.5vw, 162px); }
.layer.act .nd { background: var(--apn-light); border-color: rgba(33,95,154,.30); }
.layer.act .nd .ic { background: #fff; }
.layer.act .nd p { display: block; font-size: clamp(9.5px, .82vw, 11px); line-height: 1.4; color: #294a66; margin: 4px 0 0; }

.layer.outer .nd { background: var(--panel); }

/* ===================================================================
   NETWORK HEADER — two rows + dropdown global nav (gakkai.html)
   =================================================================== */
.net-header { position: sticky; top: 0; z-index: 60; background: var(--bg);
  -webkit-backdrop-filter: none; backdrop-filter: none; border-bottom: 0; display: block; height: auto; border-bottom: 1px solid var(--accent-soft); }
.net-header .wrap { max-width: 1280px; }

.net-row1 { display: flex; align-items: center; justify-content: space-between; height: 66px; gap: 20px; }
.net-row1 .brand .b-jp { color: var(--accent); }
.net-row1 .brand .b-en { color: var(--accent); }
.net-row1 .brand .emblem { color: var(--accent); }
.net-actions { display: flex; align-items: center; gap: 12px; }
.net-back { display: inline-flex; align-items: center; gap: 8px; padding: 5px 18px;
  border: 1px solid var(--accent-3); color: var(--accent-3); font-size: 13px; font-weight: 600; letter-spacing: .03em;
  transition: background .2s, color .2s; }
.net-back:hover { background: var(--accent-3); color: var(--bg); }
.net-back .ar { font-size: 12px; }

.net-row2 { border-top: 1px solid var(--accent-soft); }
.site-header .wrap.net-row2 { justify-content: center; }
.net-nav { display: flex; align-items: stretch; height: 52px; gap: 2px; }
.nav-item { position: relative; display: flex; }
.nav-item > a { display: inline-flex; align-items: center; gap: 7px; height: 100%; padding: 0 18px;
  color: var(--accent); font-size: 1em; font-weight: 600; letter-spacing: .03em; transition: background .18s, color .18s; }
.nav-item > a .caret { width: 9px; height: 9px; transition: transform .2s; opacity: .8; }
.nav-item:hover > a, .nav-item:focus-within > a { background: var(--accent-soft); }
.nav-item:hover > a .caret, .nav-item:focus-within > a .caret { transform: rotate(180deg); }

.dropdown { position: absolute; top: 100%; left: 0; min-width: 252px; padding: 7px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  box-shadow: 0 24px 50px -18px rgba(0,0,0,.4); list-style: none; margin: 2px 0 0;
  opacity: 0; visibility: hidden; transform: translateY(8px); transition: opacity .18s, transform .18s, visibility .18s; z-index: 80; }
.nav-item:hover .dropdown, .nav-item:focus-within .dropdown { opacity: 1; visibility: visible; transform: none; }
.dropdown li { margin: 0; }
.dropdown > li > a { display: block; padding: 10px 14px; border-radius: 8px; font-size: 1em; font-weight: 600; color: var(--ink-dim);
  transition: background .15s, color .15s; }
.dropdown > li > a:hover { background: var(--accent-soft); color: var(--ink); }
.dropdown .dd-group { padding: 12px 14px 4px; font-size: 10.5px; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-faint); }
.dropdown .dd-sub > a { padding-left: 26px; font-size: 12.5px; }
.net-header .menu-btn { display: none; border-color: rgba(255,255,255,.4); color: #fff; }
.net-row1 .lang-toggle { flex-shrink: 0; }
@media (max-width: 640px) { 
  .net-header .wrap { padding-left: 10px; }
}

@media (max-width: 900px) {
  .site-header .wrap.net-row2 { display: none; }
  .net-header .menu-btn { display: inline-grid; place-items: center; }
  .net-row1 { height: 60px; }
  .net-back { padding: 8px 14px; font-size: 12px; }
  .net-actions .net-back, .net-actions .txt_link { display: none; }
}

/* network mobile drawer: nested items */
.mobile-nav .mn-group { margin-top: 6px; }
.mobile-nav .mn-group > .mn-top { font-size: 20px; font-weight: 600; padding: 14px 0 8px; border-bottom: 1px solid var(--line-2); display: block; }
.mobile-nav .mn-group .mn-children { display: flex; flex-direction: column; gap: 2px; padding: 6px 0 10px; }
.mobile-nav .mn-group .mn-children a { font-size: 18px; font-weight: 400; padding: 8px 0 8px 14px; color: var(--ink-dim); border: 0; }
.mobile-nav .mn-group .mn-children a:hover { color: var(--accent); }

.txt_c { text-align: center; }
.txt_c img { display: inline-block; }
.w_70 { width: 70%; margin: 1em auto; }
.f-r { float: right; margin: 0 0 0.5em 0.5em;}
@media (max-width: 640px) {
  .f-r { float: none; margin: 0 auto 1em;}
  .w_70 { width: 98%; }
}
/*PAGE TOP*/
#pagetop {
  position: fixed;
  right: 40px;
  bottom: 20px;
  z-index: 5500;
  display: block;
  width: 42px;
  height:42px;
  cursor: pointer;
  background: #16407e7a;
  border: 1px solid #ffffff;
  border-radius: 50%;
  opacity: 0;
  transition: .5s;
}
#pagetop.visible {
  opacity: 1;
  pointer-events: auto;
}
#pagetop span {
  position: absolute;
  top: 16px;
  left: 11px;
  display: block;
  width:18px;
  height:18px;
  content:"";
  border-top:3px solid #ffffff;
  border-right:3px solid #ffffff;
  -webkit-transform: rotate(315deg);
  transform: rotate(315deg);
}
#brd #pagetop {
  background: #a3203f7a;
}

body > .wp-block-group .wp-block-group__inner-container {
	width: 100%;
	max-width: 1120px;
	margin-inline: auto;
	padding-inline: clamp(22px, 5vw, 56px);
	padding-block: clamp(64px, 9vh, 116px);
}
body > .wp-block-group .band {
	padding-block: 0;
}
body > .wp-block-group .band .wrap {
	padding-inline: 0;
}

body > .wp-block-group:nth-of-type(odd) {
    background: #f4f2ea;
}
body#brd > .wp-block-group:nth-of-type(odd) {
    background: #f6f0f1;
}

body > .wp-block-group:nth-of-type(even){
    background: #fff;
}

body > form {
	width: 100%;
	max-width: 1120px;
	margin-inline: auto;
	padding-inline: clamp(22px, 5vw, 56px);
	padding-block: clamp(64px, 9vh, 116px);
	text-align: center;
}
body > form label {
	padding: 0.5em;
	color: #221d20;
	font-weight: 700;
}
body > form label input {
	margin: auto auto auto 0.5em;
	padding: 0.5em;
	border: #221d20 1px solid;
}
body > form input[type="submit"] {
	margin: 0;
	padding: 0.35em 0.5em;
	border: #221d20 1px solid;
	background-color: #fff;
	color: #221d20;
	font-weight: 700;
}
body > form input[type="submit"]:hover {
	background-color: #221d20;
	color: #fff;
	cursor: pointer;
}
