/* 世界糖尿病デー in 中村公園 — 共通スタイル
   デザインの正本：Figma「v2 Draft」 https://www.figma.com/design/k7O5fNELpL3LzgNizZBsvD */

:root {
  /* 色 */
  --white: #ffffff;
  --bg-soft: #f3f6fa;
  --bg-tint: #e6ecf4;
  --brand: #578ad6;        /* 世界糖尿病デーの青。装飾のみ（文字には使わない） */
  --ring: #b9cbe4;
  --link: #1768b3;
  --navy: #17304f;
  --text: #243247;
  --sub: #5a6577;
  --border: #dde3eb;
  --gold: #c9a23f;
  --gold-text: #8a6927;
  --gold-soft: #f7f4ec;

  /* 書体 */
  --serif: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;

  /* 余白 */
  --gutter: 24px;
  --content: 1200px;
  --header-h: 64px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
}
@media (min-width: 1100px) {
  :root { --gutter: 120px; --header-h: 84px; }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }
body {
  margin: 0; background: var(--white); color: var(--text);
  font-family: var(--sans); font-size: 16px; line-height: 1.8; letter-spacing: 0.02em;
  font-feature-settings: "palt" 0;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--link); text-underline-offset: 3px; }
a:hover { color: var(--navy); }
:focus-visible { outline: 2px solid var(--link); outline-offset: 3px; border-radius: 2px; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3 { margin: 0; font-weight: 600; }

.container { width: min(var(--content), 100% - 2 * var(--gutter)); margin-inline: auto; }
[hidden] { display: none !important; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: 8px; top: -48px; background: var(--navy); color: #fff; padding: 8px 16px; z-index: 100; border-radius: var(--radius-sm); }
.skip-link:focus { top: 8px; }

/* ---------- 文字 ---------- */
.display { font-family: var(--serif); font-weight: 600; font-size: clamp(36px, 5.2vw, 60px); line-height: 1.4; letter-spacing: 0.04em; color: var(--navy); }
.h1 { font-family: var(--serif); font-weight: 600; font-size: clamp(26px, 3vw, 30px); line-height: 1.5; letter-spacing: 0.04em; color: var(--navy); }
.h2 { font-family: var(--serif); font-weight: 600; font-size: 24px; line-height: 1.55; letter-spacing: 0.03em; color: var(--navy); }
.h3 { font-family: var(--sans); font-weight: 700; font-size: 18px; line-height: 1.6; color: var(--navy); }
.lead { font-family: var(--serif); font-weight: 500; font-size: 18px; line-height: 1.8; letter-spacing: 0.03em; }
.small { font-size: 14px; line-height: 1.7; }
.label { font-size: 13px; font-weight: 500; line-height: 1.5; letter-spacing: 0.08em; color: var(--gold-text); }
.sub { color: var(--sub); }
.number { font-family: var(--serif); font-weight: 500; font-size: 48px; line-height: 1.2; letter-spacing: 0.02em; color: var(--navy); }
.strong { font-weight: 500; }

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 15px 32px; border-radius: var(--radius-sm);
  font-family: var(--sans); font-size: 16px; font-weight: 500; line-height: 1.5; text-decoration: none;
  border: 1px solid var(--navy); cursor: pointer; transition: background .2s, color .2s;
}
.btn::after { content: ""; width: 20px; height: 20px; background: currentColor; -webkit-mask: url("../img/arrow.svg") center/20px no-repeat; mask: url("../img/arrow.svg") center/20px no-repeat; }
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: #22426b; color: #fff; }
.btn-secondary { background: #fff; color: var(--navy); }
.btn-secondary:hover { background: var(--bg-soft); color: var(--navy); }
.btn-row { display: flex; flex-wrap: wrap; gap: 16px; }
@media (max-width: 1099px) { .btn-row { flex-direction: column; } .btn-row .btn { width: 100%; } }

/* ---------- ヘッダー ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--border); backdrop-filter: saturate(1.2) blur(6px); }
.site-header .inner { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-inline: 16px; }
@media (min-width: 1100px) { .site-header .inner { padding-inline: 80px; } }
.brand { display: flex; align-items: center; gap: 12px; color: var(--navy); text-decoration: none; }
.brand-ring { width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--brand); flex: none; }
.brand-name { font-family: var(--sans); font-weight: 500; font-size: 15px; letter-spacing: 0.02em; }
@media (min-width: 1100px) { .brand-name { font-family: var(--serif); font-size: 18px; } .brand-ring { width: 24px; height: 24px; } }
.global-nav ul { display: flex; align-items: center; gap: 36px; }
.global-nav a { color: var(--text); text-decoration: none; font-size: 16px; }
.global-nav a:hover, .global-nav a[aria-current="page"] { color: var(--navy); text-decoration: underline; text-decoration-color: var(--brand); text-underline-offset: 8px; }
.global-nav .btn { padding: 12px 28px; color: #fff; text-decoration: none; }
.menu-button { display: none; }
@media (max-width: 1099px) {
  .menu-button { display: grid; place-items: center; width: 44px; height: 44px; margin-right: -8px; background: none; border: 0; color: var(--text); cursor: pointer; }
  .global-nav { position: fixed; inset: var(--header-h) 0 auto 0; background: #fff; border-bottom: 1px solid var(--border); padding: 8px var(--gutter) 24px; display: none; }
  .global-nav.is-open { display: block; }
  .global-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .global-nav li a:not(.btn) { display: block; padding: 14px 0; border-bottom: 1px solid var(--border); font-size: 17px; }
  .global-nav .btn { margin-top: 16px; width: 100%; }
}

/* ---------- 見出し（輪＋タイトル） ---------- */
.section-title { display: grid; gap: 14px; }
.section-title::before { content: ""; width: 14px; height: 14px; border-radius: 50%; border: 1.5px solid var(--brand); }
.section { padding-block: 56px 64px; }
@media (min-width: 1100px) { .section { padding-block: 96px 104px; } }
.bg-soft { background: var(--bg-soft); }

/* ---------- ページ冒頭 ---------- */
.page-hero { position: relative; overflow: hidden; padding-block: 56px 40px; }
@media (min-width: 1100px) { .page-hero { padding-block: 112px 72px; } }
.page-hero .container { display: grid; gap: 14px; }
@media (min-width: 1100px) { .page-hero .container { gap: 20px; } .page-hero .lead-text { max-width: 720px; font-family: var(--serif); font-size: 18px; } }
.page-hero .deco-ring { position: absolute; width: 200px; height: 200px; right: -80px; top: -90px; border-radius: 50%; border: 1.5px solid var(--brand); pointer-events: none; }
@media (min-width: 1100px) { .page-hero .deco-ring { width: 420px; height: 420px; right: -100px; top: -160px; } }
.photo-band { margin-bottom: 8px; }
.photo-band img { width: 100%; height: 200px; object-fit: cover; }
@media (min-width: 1100px) { .photo-band { width: min(var(--content), 100% - 2 * var(--gutter)); margin: 0 auto 24px; } .photo-band img { height: 360px; } }

/* ---------- ホーム：冒頭 ---------- */
.hero { display: grid; }
.hero-copy { display: grid; gap: 18px; padding: 40px var(--gutter) 48px; position: relative; }
.hero-date { display: flex; align-items: center; gap: 16px; font-family: var(--serif); font-size: 24px; color: var(--navy); }
.hero-date::before { content: ""; width: 40px; height: 1px; background: var(--brand); display: none; }
.hero-visual { position: relative; }
.hero-photo { width: 100%; height: 280px; object-fit: cover; }
.symbol-ring { position: absolute; border-radius: 50%; pointer-events: none;
  /* 白い縁取り（案1）＋内側の淡い白（案4）＋青い線 */
  background: rgba(255,255,255,.18);
  box-shadow: 0 0 0 2.25px rgba(255,255,255,.85), inset 0 0 0 2.25px rgba(255,255,255,.85);
  border: 2.5px solid var(--brand);
}
.hero-visual .symbol-ring { width: 180px; height: 180px; right: -40px; bottom: -90px; }
@media (min-width: 1100px) {
  .hero { grid-template-columns: 1fr 700px; align-items: center; padding-block: 48px 72px; }
  .hero-copy { padding: 0 64px 0 120px; gap: 24px; }
  .hero-date::before { display: block; }
  .hero-photo { height: 620px; }
  .hero-visual .symbol-ring { width: 300px; height: 300px; left: -150px; right: auto; bottom: -60px; }
}
@media (min-width: 1100px) and (max-width: 1279px) { .hero { grid-template-columns: 1fr 52%; } .hero-copy { padding-left: 64px; padding-right: 40px; } }

/* 開催のお知らせ（日程の帯） */
.schedule-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
@media (min-width: 1100px) { .schedule-head { margin-bottom: 40px; } }
.schedule { display: grid; }
.schedule li { padding-block: 24px; border-top: 1px solid var(--border); display: grid; gap: 6px; }
.schedule li:last-child { border-bottom: 1px solid var(--border); }
@media (min-width: 1100px) {
  .schedule { grid-template-columns: repeat(3, 1fr); }
  .schedule li { padding: 0 40px; border: 0; border-left: 1px solid var(--border); }
  .schedule li:first-child { padding-left: 0; border-left: 0; }
  .schedule li:last-child { border-bottom: 0; }
}
.date-row { display: flex; align-items: baseline; gap: 10px; }
.date-row .wd { font-size: 14px; color: var(--sub); }
.more-link { font-weight: 500; color: var(--navy); }

/* 紹介文 */
.mission { text-align: center; padding-block: 72px; }
@media (min-width: 1100px) { .mission { padding-block: 120px; } }
.mission .ring-mark { width: 26px; height: 26px; border-radius: 50%; border: 2px solid var(--brand); margin: 0 auto 24px; }
.mission p.lead { max-width: 760px; margin: 0 auto 20px; text-align: left; }
@media (min-width: 1100px) { .mission p.lead { text-align: center; } }

/* 世界糖尿病デーとは */
.about-wdd { display: grid; gap: 32px; padding-block: 16px 72px; }
@media (min-width: 1100px) { .about-wdd { grid-template-columns: 1fr 480px; gap: 96px; padding-block: 24px 120px; } }
.about-wdd .text { display: grid; gap: 24px; }
.theme { border-left: 1px solid var(--brand); padding: 4px 0 4px 20px; display: grid; gap: 10px; align-content: start; }
@media (min-width: 1100px) { .theme { padding: 8px 0 8px 48px; gap: 16px; } .theme .theme-title { font-size: 30px; } }
.theme-title { font-family: var(--serif); font-weight: 600; font-size: 24px; line-height: 1.5; color: var(--navy); }

/* もっと知る（ページへの入口） */
.explore-list { display: grid; margin-top: 24px; }
@media (min-width: 1100px) { .explore-list { grid-template-columns: repeat(4, 1fr); gap: 40px; margin-top: 40px; } }
.explore-list a { display: flex; align-items: center; gap: 16px; padding-block: 24px; border-top: 1px solid var(--navy); text-decoration: none; color: inherit; }
.explore-list a:hover .h2 { text-decoration: underline; text-decoration-color: var(--brand); }
.explore-list .texts { flex: 1; display: grid; gap: 6px; }
.explore-list .arrow { width: 24px; height: 24px; flex: none; color: var(--navy); }

/* ---------- フッター ---------- */
.site-footer { background: var(--navy); color: #fff; padding-block: 48px; }
@media (min-width: 1100px) { .site-footer { padding-block: 80px 48px; } }
.site-footer a { color: #fff; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.footer-top { display: grid; gap: 32px; }
@media (min-width: 1100px) { .footer-top { grid-template-columns: 1fr 520px; gap: 80px; } }
.footer-brand { display: flex; align-items: center; gap: 12px; font-family: var(--serif); font-size: 18px; margin-bottom: 16px; }
.footer-brand span:first-child { width: 22px; height: 22px; border-radius: 50%; border: 1.5px solid #fff; }
.footer-nav ul { display: flex; flex-wrap: wrap; gap: 10px 24px; font-size: 14px; }
.credits { display: grid; gap: 12px; margin: 0; }
.credits div { display: grid; gap: 2px; }
@media (min-width: 1100px) { .credits div { grid-template-columns: 40px 1fr; gap: 20px; } }
.credits dt { font-size: 13px; opacity: .75; }
.credits dd { margin: 0; font-size: 14px; line-height: 1.7; }
.footer-bottom { margin-top: 32px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.2); display: grid; gap: 12px; font-size: 14px; }
@media (min-width: 1100px) { .footer-bottom { grid-template-columns: 1fr auto; margin-top: 48px; padding-top: 32px; } }
.footer-bottom small { font-size: 13px; opacity: .8; }

/* ---------- イベント ---------- */
.event { display: grid; gap: 16px; padding-block: 40px; border-top: 1px solid var(--border); }
.event:first-child { border-top: 0; }
@media (min-width: 1100px) { .event { grid-template-columns: 340px 1fr; gap: 80px; padding-block: 56px; } .event:first-child { border-top: 1px solid var(--border); } }
.event-when { display: grid; gap: 8px; align-content: start; }
.event-when img { width: 100%; aspect-ratio: 342 / 200; object-fit: cover; margin-top: 8px; }
@media (min-width: 1100px) { .event-when img { aspect-ratio: 340 / 230; } }
@media (max-width: 1099px) { .event-when { order: 0; } .event-when img { order: -1; margin: 0 0 8px; } }
.event-detail { display: grid; gap: 20px; align-content: start; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { display: inline-block; padding: 3px 12px; font-size: 13px; font-weight: 500; color: var(--navy); background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius-sm); }
.info { margin: 0; }
.info div { display: grid; grid-template-columns: 84px 1fr; gap: 16px; padding-block: 12px; border-bottom: 1px solid var(--border); }
.info dt { font-size: 13px; font-weight: 500; letter-spacing: 0.08em; color: var(--gold-text); padding-top: 3px; }
.info dd { margin: 0; }
.split { display: grid; gap: 20px; }
@media (min-width: 1100px) { .split { grid-template-columns: 340px 1fr; gap: 80px; } }

.link-list li a { display: flex; align-items: center; gap: 12px; padding-block: 16px; border-bottom: 1px solid var(--border); text-decoration: none; }
.link-list .texts { flex: 1; display: grid; gap: 2px; }
.link-list .title { color: var(--link); font-weight: 500; text-decoration: underline; text-underline-offset: 3px; }
.link-list .src { font-size: 14px; color: var(--sub); }
.link-list .ext { width: 20px; height: 20px; flex: none; color: var(--link); }

/* ---------- 協力機関・団体 ---------- */
.org-list li { display: flex; align-items: center; gap: 12px; padding-block: 18px; border-bottom: 1px solid var(--border); font-weight: 500; }
.org-list li::before { content: ""; width: 12px; height: 12px; border-radius: 50%; border: 3px solid var(--brand); flex: none; }
.group-title { margin-top: 8px; }
.group + .group { margin-top: 24px; }

/* ---------- 糖尿病とは ---------- */
.about-layout { display: grid; gap: 8px; padding-bottom: 72px; }
@media (min-width: 1100px) { .about-layout { grid-template-columns: 260px 1fr; gap: 96px; padding-bottom: 96px; } }
.toc { background: var(--bg-soft); padding: 20px; }
.toc ol { list-style: none; margin: 4px 0 0; padding: 0; }
.toc a { display: flex; gap: 12px; padding-block: 10px; color: var(--text); text-decoration: none; font-size: 14px; }
.toc a:hover { color: var(--navy); text-decoration: underline; }
.toc .num { color: var(--gold-text); font-size: 13px; font-weight: 500; }
@media (min-width: 1100px) { .toc { background: none; padding: 72px 0 0; position: sticky; top: var(--header-h); align-self: start; } }
.chapter { padding-block: 48px; border-top: 1px solid var(--border); display: grid; gap: 20px; }
.chapter:first-child { border-top: 0; }
@media (min-width: 1100px) { .chapter { padding-block: 72px; } }
.chapter > .label { margin-bottom: -4px; }
.dots li { position: relative; padding-left: 22px; margin-bottom: 10px; }
.dots li::before { content: ""; position: absolute; left: 0; top: .72em; width: 10px; height: 10px; border-radius: 50%; background: var(--brand); }
.callout { background: var(--gold-soft); border: 1px solid var(--gold); border-radius: var(--radius-lg); padding: 24px; display: grid; gap: 12px; }
.callout p.strong { font-weight: 500; }
.emphasis { background: var(--bg-soft); border-left: 2px solid var(--brand); padding: 24px; display: grid; gap: 8px; }
.emphasis .strong { color: var(--navy); }
.groups { display: grid; gap: 24px; }
@media (min-width: 1100px) { .groups { grid-template-columns: 1fr 1fr; gap: 40px; } }
.groups > div { display: grid; gap: 12px; align-content: start; }

/* 折りたたみ（＋で開く） */
.accordion { border-top: 1px solid var(--border); }
.accordion details { border-bottom: 1px solid var(--border); }
.accordion summary { list-style: none; display: flex; align-items: center; gap: 16px; padding-block: 20px; cursor: pointer; font-weight: 500; color: var(--navy); }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after { content: ""; width: 20px; height: 20px; flex: none; margin-left: auto; background: var(--navy); -webkit-mask: url("../img/plus.svg") center/20px no-repeat; mask: url("../img/plus.svg") center/20px no-repeat; }
.accordion details[open] > summary::after { -webkit-mask-image: url("../img/minus.svg"); mask-image: url("../img/minus.svg"); }
.accordion .body { padding: 0 0 28px; display: grid; gap: 12px; }
.accordion.numbered .body { padding-left: 52px; }
@media (max-width: 1099px) { .accordion.numbered .body { padding-left: 0; } }
.num-ring { width: 36px; height: 36px; flex: none; border-radius: 50%; border: 2px solid var(--brand); display: grid; place-items: center; font-weight: 500; color: var(--navy); }

/* 図 */
.figure { background: var(--bg-soft); padding: 24px 20px; margin: 0; }
@media (min-width: 1100px) { .figure { padding: 32px 28px; } }
.flow { display: grid; gap: 8px; list-style: none; margin: 0; padding: 0; }
.flow li { display: flex; align-items: center; gap: 16px; }
.flow .icon { width: 72px; height: 72px; flex: none; border-radius: 50%; background: #fff; border: 1.5px solid var(--ring); display: grid; place-items: center; }
.flow .icon svg { width: 48px; height: 48px; }
.flow .t1 { font-weight: 500; color: var(--navy); display: block; }
.flow .t2 { font-size: 14px; color: var(--sub); }
.flow .arrow { color: var(--brand); padding-left: 28px; }
@media (min-width: 1400px) {
  .flow { grid-template-columns: repeat(9, auto); align-items: start; justify-content: space-between; gap: 6px; }
  .flow li { flex-direction: column; text-align: center; gap: 10px; width: 124px; }
  .flow li.arrow { width: auto; padding: 28px 0 0; }
  .flow li.arrow svg { transform: rotate(-90deg); }
}
.compare { display: grid; gap: 16px; list-style: none; margin: 0; padding: 0; }
@media (min-width: 1100px) { .compare { grid-template-columns: repeat(3, 1fr); gap: 20px; } }
.compare li { background: #fff; padding: 20px 16px; display: grid; justify-items: center; gap: 10px; text-align: center; align-content: start; }
.compare li strong { font-weight: 500; color: var(--navy); }
.compare li svg { width: 200px; }
.legend { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 20px; font-size: 14px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.figure-wrap { padding: 0 0 28px 52px; }
@media (max-width: 1099px) { .figure-wrap { padding-left: 0; } }

/* 動画 */
.videos { display: grid; gap: 20px; grid-auto-flow: column; grid-auto-columns: 240px; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x mandatory; }
.videos li { scroll-snap-align: start; display: grid; gap: 8px; align-content: start; }
@media (min-width: 1100px) { .videos { grid-auto-flow: row; grid-template-columns: repeat(3, 1fr); overflow: visible; } }
.video-frame { aspect-ratio: 16 / 9; background: var(--bg-tint); border-radius: var(--radius-md); overflow: hidden; }
.video-frame iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ---------- クイズ ---------- */
.quiz-start { display: grid; gap: 32px; padding-block: 48px 64px; align-items: center; }
@media (min-width: 1100px) { .quiz-start { grid-template-columns: 1fr 480px; gap: 80px; padding-block: 120px 140px; } }
.quiz-start .copy { display: grid; gap: 20px; justify-items: start; }
@media (max-width: 1099px) { .quiz-start .copy { justify-items: center; text-align: center; } .quiz-start .visual { order: -1; } }
.chara-circle { width: min(480px, 70vw); aspect-ratio: 1; margin-inline: auto; border-radius: 50%; background: var(--bg-soft); border: 1.5px solid var(--brand); display: grid; place-items: center; align-content: center; gap: 4px; }
.chara-circle img { width: 62%; }
.chara-names { width: 62%; display: grid; grid-template-columns: 1fr 1fr; text-align: center; font-weight: 700; font-size: clamp(14px, 1.6vw, 16px); }
.chara-names .h { color: var(--gold-text); }
.chara-names .k { color: var(--navy); }
.quiz-stage { background: var(--bg-soft); padding-block: 32px 48px; }
@media (min-width: 1100px) { .quiz-stage { padding-block: 80px 96px; } }
.quiz-panel { width: min(760px, 100% - 2 * 24px); margin-inline: auto; background: #fff; border: 1px solid var(--border); padding: 32px 24px; display: grid; gap: 20px; }
@media (min-width: 1100px) { .quiz-panel { padding: 48px 56px; } }
.progress { display: flex; align-items: center; gap: 14px; font-size: 13px; font-weight: 500; color: var(--navy); }
.progress .bar { display: flex; gap: 4px; }
.progress .bar i { width: 18px; height: 3px; background: var(--border); }
.progress .bar i.done { background: var(--navy); }
.q-head { display: flex; align-items: flex-end; gap: 12px; }
.q-head .q-text { flex: 1; display: grid; gap: 8px; }
.q-head img { width: 56px; flex: none; }
.options { display: grid; gap: 10px; }
.option { display: flex; align-items: center; gap: 12px; width: 100%; padding: 14px 16px; border: 1.5px solid #7a96c2; border-radius: var(--radius-md); background: #fff; font: inherit; color: var(--text); text-align: left; cursor: pointer; }
.option:hover:not([disabled]) { background: var(--bg-soft); }
.option .letter { width: 32px; height: 32px; flex: none; border-radius: 50%; display: grid; place-items: center; background: var(--bg-soft); color: var(--navy); font-weight: 500; }
.option[disabled] { cursor: default; }
.option.is-correct { border: 2px solid var(--link); background: var(--bg-soft); }
.option.is-correct .letter { background: var(--link); color: #fff; }
.option.is-wrong { opacity: .6; }
.verdict { display: flex; align-items: center; gap: 16px; }
.verdict img { width: 72px; flex: none; }
.explain { background: var(--bg-soft); border-left: 2px solid var(--brand); padding: 20px; display: grid; gap: 8px; }
.result { display: grid; justify-items: center; gap: 16px; text-align: center; }
.score-ring { width: 200px; height: 200px; border-radius: 50%; border: 1.5px solid var(--brand); display: grid; place-items: center; align-content: center; }
.result .btn { width: 100%; max-width: 360px; }

.sp-only { display: inline; }
@media (min-width: 1100px) { .sp-only { display: none; } }
.chapters { min-width: 0; }
.hero { overflow-x: clip; }
@media (max-width: 1099px) { .hero-visual { order: -1; } .hero-copy { padding-top: 40px; } }
.progress > span:first-child { white-space: nowrap; }
.progress .bar { flex: 1; }
.progress .bar i { flex: 1; max-width: 18px; }
.quiz-stage { scroll-margin-top: var(--header-h); }
.option-tag { margin-left: auto; flex: none; white-space: nowrap; font-size: 13px; font-weight: 500; color: var(--sub); }
.option.is-correct .option-tag { color: var(--link); }

/* 中間幅の調整（Codexレビュー反映） */
@media (min-width: 1100px) and (max-width: 1279px) {
  .quiz-start { grid-template-columns: 1fr 380px; gap: 56px; }
  .footer-top { grid-template-columns: 1fr 440px; gap: 48px; }
  .about-wdd { grid-template-columns: 1fr 380px; gap: 56px; }
  .about-layout { grid-template-columns: 220px 1fr; gap: 56px; }
}
/* スマホ：写真を少し低くして日程へ早く届くように */
@media (max-width: 1099px) {
  .hero-photo { height: 220px; }
  .event-when img { aspect-ratio: 16 / 7; }
  .photo-band img { height: 160px; }
}
/* スマホのメニュー：画面が低くても下まで届く */
@media (max-width: 1099px) { .global-nav { max-height: calc(100dvh - var(--header-h)); overflow-y: auto; } }