/* 教育研究所ARCS — 共通スタイル（tokens.css を先に読み込むこと） */

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

/* v2 追加トークン（UI現代化） */
:root {
  --radius: 12px;
  --shadow-soft: 0 2px 8px rgba(51,48,42,.06), 0 8px 28px rgba(51,48,42,.06);
  --shadow-hover: 0 4px 12px rgba(51,48,42,.08), 0 16px 40px rgba(51,48,42,.12);
  --transition: 0.25s cubic-bezier(.25,.6,.3,1);
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
body {
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-serif);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  letter-spacing: var(--ls-body);
  transition: background 0.35s ease, color 0.35s ease;
}
img { max-width: 100%; height: auto; }
.wrap { max-width: var(--content-width); margin: 0 auto; padding: 0 1.25rem; }

/* ---------- header（sticky＋すりガラス） ---------- */
header.site {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid var(--color-line);
  background: rgba(247, 244, 236, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
html[data-theme="dark"] header.site { background: rgba(35, 33, 28, 0.86); }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.25rem; max-width: var(--content-width); margin: 0 auto;
  gap: 0.75rem; position: relative;
}
.brand { display: flex; align-items: baseline; gap: 0.6rem; text-decoration: none; color: var(--color-ink); flex-wrap: wrap; }
.brand .name { font-size: 1.15rem; letter-spacing: var(--ls-heading); font-weight: 600; }
.brand .en { font-size: 0.7rem; color: var(--color-ink-light); letter-spacing: 0.12em; }
nav.site ul { display: flex; list-style: none; gap: 1.4rem; flex-wrap: wrap; }
nav.site a {
  text-decoration: none; color: var(--color-ink); font-size: 0.9rem;
  font-family: var(--font-sans); letter-spacing: 0.06em;
  padding: 0.5rem 0 2px; border-bottom: 1px solid transparent; display: inline-block;
}
nav.site a:hover, nav.site a.current { border-bottom-color: var(--color-accent); color: var(--color-accent); }

/* ヘッダー右側（テーマ切替＋ハンバーガー） */
.header-actions { display: flex; align-items: center; gap: 0.6rem; }
.theme-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; cursor: pointer;
  border: 1px solid var(--color-line); border-radius: 999px; background: var(--color-paper);
  color: var(--color-ink); padding: 0;
  transition: transform var(--transition), border-color var(--transition);
}
.theme-toggle:hover { transform: rotate(15deg); border-color: var(--color-accent); }
.theme-toggle svg { width: 20px; height: 20px; }
.theme-toggle .icon-moon { display: block; }
.theme-toggle .icon-sun { display: none; }
html[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
html[data-theme="dark"] .theme-toggle .icon-sun { display: block; }

/* モバイルナビ（CSSのみ） */
#nav-toggle { display: none; }
.nav-btn { display: none; }
@media (max-width: 860px) {
  .brand .en { display: none; }
  .nav-btn {
    display: flex; flex-direction: column; justify-content: center; gap: 5px;
    width: 48px; height: 48px; padding: 12px; cursor: pointer;
    border: 1px solid var(--color-line); border-radius: 6px; background: var(--color-paper);
  }
  .nav-btn span { display: block; height: 2px; background: var(--color-ink); border-radius: 1px; transition: transform .2s, opacity .2s; }
  nav.site {
    display: none; position: absolute; top: 100%; left: 0; right: 0; z-index: 20;
    background: var(--color-paper); border-bottom: 1px solid var(--color-line);
    box-shadow: 0 6px 12px rgba(51,48,42,.08);
  }
  nav.site ul { flex-direction: column; gap: 0; padding: 0.5rem 0; }
  nav.site li { border-top: 1px solid var(--color-line); }
  nav.site li:first-child { border-top: none; }
  nav.site a { display: block; padding: 0.95rem 1.5rem; font-size: 1rem; border-bottom: none; }
  #nav-toggle:checked ~ nav.site { display: block; }
  #nav-toggle:checked ~ .header-actions .nav-btn span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  #nav-toggle:checked ~ .header-actions .nav-btn span:nth-child(2) { opacity: 0; }
  #nav-toggle:checked ~ .header-actions .nav-btn span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ---------- hero（トップ） ---------- */
.hero { text-align: center; padding: var(--space-section) 1.25rem 3rem; }
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
.hero > * { animation: rise .8s cubic-bezier(.25,.6,.3,1) both; }
.hero > *:nth-child(2) { animation-delay: .12s; }
.hero > *:nth-child(3) { animation-delay: .24s; }
.hero > *:nth-child(4) { animation-delay: .36s; }
.hero h1 {
  font-size: var(--fs-hero); color: var(--color-accent);
  letter-spacing: 0.14em; line-height: 1.5; font-weight: 600;
}
.hero .sub { margin-top: 1.2rem; font-size: clamp(1.05rem, 2.2vw, 1.35rem); letter-spacing: 0.22em; }
.hero-illust { margin: 2.8rem auto 0; max-width: 720px; }
.hero-illust svg, .hero-illust img { width: 100%; height: auto; display: block; }
.hero-illust img { border-radius: var(--radius); box-shadow: 0 2px 12px rgba(51,48,42,.10); }
.hero-note { margin-top: 0.8rem; font-size: 0.78rem; color: var(--color-ink-light); }
.hero .org { margin-top: 2.4rem; display: flex; align-items: center; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.hero .org img { height: 34px; width: auto; background: #fff; padding: 4px 8px; border-radius: 6px; box-sizing: content-box; }
html[data-theme="dark"] .hero-illust img { filter: brightness(0.88) contrast(1.02); }
.hero .org span { font-size: 0.95rem; letter-spacing: 0.12em; }

/* ---------- 汎用ページ ---------- */
.page-head { text-align: center; padding: calc(var(--space-section) * .6) 1.25rem 0; }
.page-head h1 { font-size: var(--fs-h2); letter-spacing: var(--ls-heading); font-weight: 600; }
.page-head h1::after {
  content: ""; display: block; width: 2.2em; height: 1px;
  background: var(--color-accent); margin: 1.1rem auto 0;
}
.page-head .lead { margin-top: 1.4rem; color: var(--color-ink-light); font-size: 0.95rem; }
main { min-height: 50vh; }

section { padding: var(--space-section) 0 0; }
section.tight { padding-top: calc(var(--space-section) * .5); }
.sec-title {
  text-align: center; font-size: var(--fs-h2); letter-spacing: var(--ls-heading);
  font-weight: 600; margin-bottom: 0.6rem;
}
.sec-title::after {
  content: ""; display: block; width: 2.2em; height: 1px;
  background: var(--color-accent); margin: 1.1rem auto 0;
}
.sec-lead { text-align: center; color: var(--color-ink-light); font-size: 0.95rem; margin-bottom: 3rem; }

/* 記事本文（読み物） */
.article { max-width: var(--measure); margin: 0 auto; padding: 3rem 1.25rem 0; }
.article p { margin-top: 1.4em; }
.article h2 { font-size: 1.3rem; letter-spacing: var(--ls-heading); font-weight: 600; margin-top: 2.6em; }
.article .meta { font-size: 0.85rem; color: var(--color-ink-light); margin-top: 0.6rem; }
.article-nav { display: flex; justify-content: space-between; max-width: var(--measure); margin: 3rem auto 0; padding: 1.5rem 1.25rem 0; border-top: 1px solid var(--color-line); font-family: var(--font-sans); font-size: 0.9rem; }
.article-nav a { color: var(--color-indigo); text-decoration: none; padding: 0.5rem 0; }
.article-nav a:hover { color: var(--color-accent); }

/* カード群（罫線→影、ホバーで浮く） */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
@media (max-width: 760px) { .pillars { grid-template-columns: 1fr; } }
.card {
  background: var(--color-paper); border: none;
  border-radius: var(--radius); padding: 2.2rem 1.8rem;
  box-shadow: var(--shadow-soft);
  display: flex; flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.card .tag {
  font-family: var(--font-sans); font-size: 0.72rem; letter-spacing: 0.18em;
  color: var(--color-accent); margin-bottom: 0.9rem;
}
.card .tag::after { content: ""; display: block; width: 1.6em; height: 2px; background: var(--color-accent); margin-top: 0.5rem; border-radius: 1px; }
.card h3 { font-size: 1.25rem; letter-spacing: var(--ls-heading); line-height: 1.6; font-weight: 600; }
.card p { margin-top: 1rem; font-size: 0.95rem; flex: 1; }
.card a.more {
  margin-top: 1.6rem; align-self: flex-start; text-decoration: none;
  color: var(--color-indigo); font-size: 0.9rem;
  padding: 0.4rem 0 1px; transition: color var(--transition), letter-spacing var(--transition);
}
.card a.more:hover { color: var(--color-accent); letter-spacing: 0.05em; }

/* ---------- 特集レイアウト（注目コンテンツを非対称で強調） ---------- */
.feature-grid { display: grid; grid-template-columns: 1.45fr 1fr; gap: 1.5rem; align-items: stretch; }
@media (max-width: 860px) { .feature-grid { grid-template-columns: 1fr; } }
.feature-side { display: grid; gap: 1.5rem; grid-template-rows: 1fr 1fr; }
.feature-main {
  position: relative; overflow: hidden;
  background: linear-gradient(140deg, #3d4d70 0%, #2c3852 70%, #232c42 100%);
  color: #f2eee2; border-radius: var(--radius);
  padding: clamp(2.2rem, 5vw, 3.4rem);
  display: flex; flex-direction: column; justify-content: flex-end;
  min-height: 420px;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition);
}
.feature-main:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.feature-main::before {
  content: "三"; position: absolute; top: -0.18em; right: 0.05em;
  font-size: 17rem; line-height: 1; color: rgba(242, 238, 226, 0.05);
  font-family: var(--font-serif); pointer-events: none;
}
.feature-main .badge {
  position: absolute; top: 1.6rem; left: 1.8rem;
  font-family: var(--font-sans); font-size: 0.72rem; letter-spacing: 0.2em;
  color: #f2eee2; background: var(--color-accent);
  padding: 0.35rem 0.9rem; border-radius: 999px;
}
.feature-main .kicker { font-size: 0.8rem; letter-spacing: 0.28em; color: #b9c0d4; }
.feature-main h3 { font-size: clamp(1.8rem, 4vw, 2.6rem); letter-spacing: 0.12em; line-height: 1.5; margin-top: 0.7rem; font-weight: 600; }
.feature-main .excerpt {
  margin-top: 1.3rem; font-size: 0.95rem; line-height: 2; color: #d5d3c6;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.feature-main a.more {
  margin-top: 1.8rem; align-self: flex-start; text-decoration: none;
  color: #f2eee2; font-family: var(--font-sans); font-size: 0.9rem; letter-spacing: 0.08em;
  border: 1px solid rgba(242,238,226,.5); border-radius: 999px; padding: 0.7rem 1.7rem;
  transition: background var(--transition), border-color var(--transition);
}
.feature-main a.more:hover { background: var(--color-accent); border-color: var(--color-accent); }

/* リスト（目次・一覧） */
.index-list { list-style: none; max-width: var(--measure); margin: 3rem auto 0; padding: 0 1.25rem; }
.index-list li { border-bottom: 1px solid var(--color-line); }
.index-list a {
  display: block; padding: 1.3rem 0.6rem; text-decoration: none; color: var(--color-ink);
  border-radius: 8px; position: relative;
  transition: background var(--transition), padding-left var(--transition), color var(--transition);
}
.index-list a::after {
  content: "→"; position: absolute; right: 0.8rem; top: 50%; transform: translateY(-50%);
  color: var(--color-line); transition: color var(--transition), transform var(--transition);
}
.index-list a:hover { background: var(--color-paper); color: var(--color-accent); padding-left: 1.1rem; }
.index-list a:hover::after { color: var(--color-accent); transform: translateY(-50%) translateX(4px); }
.index-list .date { font-family: var(--font-sans); font-size: 0.78rem; color: var(--color-ink-light); letter-spacing: 0.08em; display: block; }
.index-list .title { font-size: 1.05rem; letter-spacing: 0.05em; }

/* 帯（強調セクション） */
.band {
  margin-top: var(--space-section);
  background: var(--color-bg-alt); border-top: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line);
  padding: 3.6rem 1.25rem; text-align: center;
}
.band .kicker { font-size: 0.8rem; letter-spacing: 0.25em; color: var(--color-ink-light); }
.band h3 { font-size: clamp(1.5rem, 3.4vw, 2.1rem); letter-spacing: 0.14em; margin-top: 0.9rem; font-weight: 600; }
.band p { max-width: var(--measure); margin: 1.4rem auto 0; text-align: left; font-size: 0.98rem; }

/* ボタン */
.btn {
  display: inline-block; margin-top: 1.8rem; text-decoration: none; cursor: pointer; border: none;
  color: #fffdf7; background: var(--color-indigo);
  font-family: var(--font-sans); font-size: 0.92rem; letter-spacing: 0.1em;
  padding: 0.85rem 2.4rem; border-radius: 999px; min-height: 48px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn:hover { background: var(--color-accent); transform: translateY(-2px); box-shadow: var(--shadow-soft); }
.btn.accent { background: var(--color-accent); }
.btn.accent:hover { background: var(--color-accent-soft); }

/* about */
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 3rem; align-items: start; }
@media (max-width: 760px) { .about-grid { grid-template-columns: 1fr; } }
.about-grid .lead-text { max-width: var(--measure); }
.about-grid .lead-text strong { color: var(--color-accent); font-weight: 600; }
.profile {
  background: var(--color-paper); border: 1px solid var(--color-line); border-radius: var(--radius);
  padding: 1.8rem; font-size: 0.93rem;
}
.profile .role { font-size: 0.78rem; color: var(--color-ink-light); letter-spacing: 0.12em; }
.profile .name { font-size: 1.3rem; letter-spacing: 0.15em; margin: 0.3rem 0 0.9rem; font-weight: 600; }

/* 活動 */
.services { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
@media (max-width: 900px) { .services { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .services { grid-template-columns: 1fr; } }
.service {
  border-top: 2px solid var(--color-accent); background: var(--color-paper);
  border-left: 1px solid var(--color-line); border-right: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line);
  padding: 1.5rem 1.3rem;
}
.service h4 { font-size: 1.02rem; letter-spacing: 0.08em; font-weight: 600; }
.service p { font-size: 0.86rem; margin-top: 0.7rem; color: var(--color-ink-light); }

/* CTAボックス */
.cta-box {
  max-width: 640px; margin: 0 auto; background: var(--color-paper);
  border: 1px solid var(--color-line); border-radius: var(--radius); padding: 3rem 2rem; text-align: center;
}
.cta-box p { max-width: 34em; margin: 0 auto; text-align: left; font-size: 0.97rem; }

/* フォーム */
.form { max-width: 560px; margin: 3rem auto 0; padding: 0 1.25rem; }
.form label { display: block; font-family: var(--font-sans); font-size: 0.88rem; letter-spacing: 0.08em; margin-top: 1.4rem; }
.form input, .form textarea {
  width: 100%; margin-top: 0.5rem; padding: 0.85rem 0.9rem;
  border: 1px solid var(--color-line); border-radius: 3px; background: var(--color-paper);
  font-family: var(--font-sans); font-size: 1rem; min-height: 48px;
}
.form textarea { min-height: 10em; line-height: 1.8; }
.form .note { font-size: 0.82rem; color: var(--color-ink-light); margin-top: 1rem; }

/* 準備中 */
.coming {
  text-align: center; padding: calc(var(--space-section) * .8) 1.25rem;
  color: var(--color-ink-light);
}
.coming .big { font-size: 1.4rem; letter-spacing: 0.2em; color: var(--color-ink); }

/* ---------- footer ---------- */
footer.site {
  margin-top: var(--space-section);
  background: #3b3831; color: #e9e4d6; padding: 3.5rem 1.25rem 2rem;
}
.footer-inner { max-width: var(--content-width); margin: 0 auto; display: grid; grid-template-columns: 1.2fr 1fr; gap: 3rem; }
@media (max-width: 760px) { .footer-inner { grid-template-columns: 1fr; } }
footer.site h5 { font-size: 1.05rem; letter-spacing: 0.12em; font-weight: 600; }
footer.site p.small { font-size: 0.85rem; margin-top: 0.8rem; color: #c9c2ae; }
.mail-form { display: flex; gap: 0.6rem; margin-top: 1.2rem; flex-wrap: wrap; }
.mail-form input {
  flex: 1; min-width: 220px; padding: 0.85rem 0.9rem; border: 1px solid #6f6a5e;
  border-radius: 3px; background: #fffdf7; font-family: var(--font-sans);
  font-size: 1rem; min-height: 48px;
}
.mail-form button {
  padding: 0.85rem 1.6rem; border: none; border-radius: 3px; cursor: pointer;
  background: var(--color-accent); color: #fffdf7; font-family: var(--font-sans);
  font-size: 0.95rem; letter-spacing: 0.08em; min-height: 48px;
}
.mail-form button:hover { background: var(--color-accent-soft); }
@media (max-width: 520px) { .mail-form button { width: 100%; } }
.sns { display: flex; gap: 1.4rem; margin-top: 1.2rem; }
.sns a { color: #e9e4d6; text-decoration: none; font-size: 0.88rem; border-bottom: 1px solid #6f6a5e; padding-bottom: 1px; }
.sns a:hover { color: #fff; border-bottom-color: #fff; }
.copyright { text-align: center; margin-top: 3rem; font-size: 0.78rem; color: #9a937f; letter-spacing: 0.08em; }

/* 小説の読書ページ */
.novel-body { font-size: 1.09rem; line-height: 2.15; }
.novel-body p { margin-top: 1.6em; }
.novel-body .sep { text-align: center; letter-spacing: 1em; color: var(--color-ink-light); margin: 2.6em 0 1em; }
.novel-body .fin { text-align: right; color: var(--color-ink-light); font-size: 0.95rem; margin-top: 3em; }
.notes {
  max-width: var(--measure); margin: 4rem auto 0; padding: 1.8rem 2rem;
  background: var(--color-bg-alt); border-left: 3px solid var(--color-indigo); border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.88rem; line-height: 1.95; color: var(--color-ink);
}
.notes .notes-title { font-family: var(--font-sans); font-size: 0.78rem; letter-spacing: 0.18em; color: var(--color-indigo); margin-bottom: 0.8rem; }

/* サービスカードもホバー */
.service { border-radius: 0 0 var(--radius) var(--radius); transition: transform var(--transition), box-shadow var(--transition); }
.service:hover { transform: translateY(-3px); box-shadow: var(--shadow-soft); }

/* YouTube埋め込み */
.video-embed { position: relative; max-width: 720px; margin: 3rem auto 0; aspect-ratio: 16 / 9; }
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: none; border-radius: var(--radius); }

/* ---------- ダークモード微調整 ---------- */
html[data-theme="dark"] .btn { background: #4a5d85; color: #f4f0e4; }
html[data-theme="dark"] .btn:hover, html[data-theme="dark"] .btn.accent { background: var(--color-accent); }
html[data-theme="dark"] footer.site { background: #1d1b17; }
html[data-theme="dark"] .card, html[data-theme="dark"] .feature-main {
  box-shadow: 0 2px 8px rgba(0,0,0,.25), 0 8px 28px rgba(0,0,0,.25);
}
html[data-theme="dark"] .notes { border-left-color: var(--color-indigo); }

/* ---------- 長編読み物（手紙） ---------- */
.letter h2 { font-size: 1.35rem; letter-spacing: var(--ls-heading); font-weight: 600; margin-top: 3.2em; line-height: 1.7; }
.letter h2::after { content: ""; display: block; width: 2em; height: 1px; background: var(--color-accent); margin-top: 0.7rem; }
.letter h3 { font-size: 1.08rem; letter-spacing: 0.06em; font-weight: 600; margin-top: 2.4em; color: var(--color-ink); }
.letter blockquote {
  margin: 1.8em 0 0; padding: 1.1em 1.5em;
  background: var(--color-bg-alt); border-left: 3px solid var(--color-accent);
  border-radius: 0 8px 8px 0; font-size: 0.98rem;
}
.letter blockquote p { margin-top: 0.8em; }
.letter blockquote p:first-child { margin-top: 0; }
.letter figure { margin: 2.4em 0 0; }
.letter figure img { border-radius: 8px; border: 1px solid var(--color-line); background: #fff; padding: 6px; box-sizing: border-box; width: 100%; }
.letter figcaption { font-family: var(--font-sans); font-size: 0.8rem; color: var(--color-ink-light); text-align: center; margin-top: 0.7em; }
.letter table { width: 100%; border-collapse: collapse; margin-top: 1.8em; font-size: 0.92rem; }
.letter th, .letter td { border-bottom: 1px solid var(--color-line); padding: 0.55em 0.7em; text-align: left; vertical-align: top; }
.letter th { font-family: var(--font-sans); font-size: 0.8rem; letter-spacing: 0.08em; color: var(--color-ink-light); }
.letter td:first-child { white-space: nowrap; color: var(--color-ink-light); }
.letter sup a { color: var(--color-indigo); text-decoration: none; font-size: 0.72em; padding: 0 1px; }
.letter sup a:hover { color: var(--color-accent); }
.epigraph { text-align: center; margin: 2.5em auto 0; max-width: 34em; color: var(--color-ink); font-size: 1.02rem; line-height: 2.1; }
.epigraph .src { display: block; margin-top: 1em; font-size: 0.82rem; color: var(--color-ink-light); }
.footnotes { max-width: var(--measure); margin: 4rem auto 0; padding: 2rem 1.25rem 0; border-top: 1px solid var(--color-line); }
.footnotes h2 { font-family: var(--font-sans); font-size: 0.85rem; letter-spacing: 0.18em; color: var(--color-ink-light); }
.footnotes ol { margin: 1.2rem 0 0 1.4em; font-size: 0.85rem; line-height: 1.9; color: var(--color-ink-light); }
.footnotes li { margin-top: 0.8em; }
.footnotes li:target { color: var(--color-ink); background: var(--color-bg-alt); border-radius: 6px; padding: 0.4em 0.6em; }
.letter .sign { text-align: right; margin-top: 3em; }
.letter .sign .name { font-size: 1.15rem; letter-spacing: 0.2em; font-weight: 600; }
.letter .sign .date { font-size: 0.88rem; color: var(--color-ink-light); }

/* ---------- 対談ページ ---------- */
.letter h4 { font-size: 1.02rem; font-weight: 600; letter-spacing: 0.05em; margin-top: 2em; color: var(--color-ink); }
.letter blockquote .spk {
  font-family: var(--font-sans); font-weight: 600; font-size: 0.85em;
  color: var(--color-accent); margin-right: 0.7em; letter-spacing: 0.1em;
}
.next-notice {
  max-width: var(--measure); margin: 3rem auto 0; padding: 1.6rem 1.8rem;
  background: var(--color-paper); border: 1px dashed var(--color-line); border-radius: var(--radius);
  font-size: 0.95rem; text-align: center;
}
.next-notice .kicker { font-family: var(--font-sans); font-size: 0.75rem; letter-spacing: 0.2em; color: var(--color-accent); margin-bottom: 0.5rem; }

/* ---------- 新着表示（ナビ赤丸＋NEWラベル） ---------- */
.nav-dot {
  display: inline-block; width: 7px; height: 7px; border-radius: 50%;
  background: var(--color-accent); margin-left: 5px; vertical-align: super;
}
.new-badge {
  font-family: var(--font-sans); font-size: 0.62rem; font-weight: 600; letter-spacing: 0.12em;
  color: #fffdf7; background: var(--color-accent); border-radius: 999px;
  padding: 2px 9px; margin-left: 9px; vertical-align: 2px; white-space: nowrap;
}