@charset "UTF-8";

/* ============================================
   建設業向けセミナー 2026.11.26 大阪 LP
   honors.jp トーン準拠のライト基調
   - ベース: 白 × 薄ブルーグレー(#eef3f7)、テキスト: ネイビー(#17263f)
   - CTA: ティール系（アクセント #45988b、ボタン塗りは白文字4.5:1を満たす濃い方）
     ※honors.jp のトーンに寄せた独自トークン。サイトCSSの実値そのものではない
   - 3部の色はロゴ由来（青 / ティール / ネイビー）
   - 見出し: Shippori Mincho B1 ／ 本文: Noto Sans JP
   - 建設業の語彙: 図面の方眼（ヒーロー背景）と工程表（ヒーロー右）
============================================ */

:root {
  --paper: #ffffff;
  --mist: #eef3f7;
  --mist-deep: #e2eaf1;
  --ink: #17263f;
  --ink-sub: rgba(23, 38, 63, .7);
  --navy-deep: #101b2e;
  --teal: #45988b;
  --teal-cta: #3b8277;
  --teal-deep: #2f7468;
  --teal-pale: rgba(69, 152, 139, .14);
  --p1: #2b6cb0;
  --p2: #3b8277;
  --p3: #17263f;
  --line: rgba(23, 38, 63, .16);
  --line-soft: rgba(23, 38, 63, .09);
  --grid: rgba(23, 38, 63, .085);
  --on-dark: #f4f7fa;
  --on-dark-sub: rgba(244, 247, 250, .74);
  --serif: "Shippori Mincho B1", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  --pad: clamp(20px, 5vw, 48px);
  --header-h: 68px;
  --r: 6px;
  --gl: 108px; /* 工程表のラベル列幅 */
  --span: 315; /* 工程表の全長（分）13:30→18:45 */
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }

body {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 16px;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.95;
  letter-spacing: .03em;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "palt";
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
sup { font-size: .55em; vertical-align: super; }
ol, ul { list-style: none; }
time { font-variant-numeric: tabular-nums; }

:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; border-radius: 4px; }

.container { width: min(1100px, 100% - var(--pad) * 2); margin-inline: auto; }
.container--narrow { width: min(860px, 100% - var(--pad) * 2); }

.pc { display: inline; }
.nowrap { white-space: nowrap; }
.hero__title span, .sec-title span, .part__title span, .cta-final__title span { display: inline-block; }
.sp { display: none; }

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 0 46px;
  border-radius: 999px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .08em;
  transition: background .25s ease, transform .25s ease, box-shadow .25s ease;
}
.btn--fill { background: var(--teal-cta); color: #fff; box-shadow: 0 8px 22px rgba(69, 152, 139, .3); }
.btn--fill:hover { background: var(--teal-deep); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(69, 152, 139, .38); }
.btn--large { min-height: 64px; padding: 0 60px; font-size: 17px; }

/* ---------- ヘッダー ---------- */
.header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  transition: background .3s ease, box-shadow .3s ease;
}
.header.is-scrolled {
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 18px rgba(23, 38, 63, .08);
}
.header__inner {
  width: min(1220px, 100% - var(--pad) * 2);
  margin-inline: auto;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 28px;
}
.header__brand { display: inline-flex; align-items: center; }
.header__brand img { height: 36px; width: auto; }
.header__nav {
  display: flex;
  gap: 24px;
  margin-left: auto;
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--ink-sub);
}
.header__nav a { transition: color .2s ease; }
.header__nav a:hover { color: var(--teal-deep); }
.header__cta {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 24px;
  border-radius: 999px;
  background: var(--teal-cta);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
  white-space: nowrap;
  transition: background .2s ease;
}
.header__cta:hover { background: var(--teal-deep); }

/* ---------- ヒーロー（図面の方眼 + 工程表） ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(44px, 7vw, 88px)) 0 clamp(48px, 6vw, 80px);
  background: linear-gradient(180deg, var(--mist) 0%, #f6f9fb 70%, var(--paper) 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9) 0%, rgba(0, 0, 0, .45) 55%, transparent 100%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9) 0%, rgba(0, 0, 0, .45) 55%, transparent 100%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, .88fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

.hero__kicker {
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--ink-sub);
}
.hero__pre {
  margin-top: clamp(22px, 3vw, 32px);
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(17px, 2vw, 22px);
  letter-spacing: .06em;
  color: var(--teal-deep);
}
.hero__title {
  margin-top: 8px;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(30px, 3.6vw, 50px);
  line-height: 1.45;
  letter-spacing: .02em;
  text-wrap: balance;
}
.hero__lead {
  margin-top: clamp(18px, 2.4vw, 26px);
  max-width: 40em;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 2.05;
  color: var(--ink-sub);
}

.hero__facts { margin-top: clamp(26px, 3.4vw, 36px); border-top: 1px solid var(--line); }
.hero__facts > div {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15px;
}
.hero__facts dt { font-weight: 700; color: var(--teal-deep); }
.hero__facts dd strong { font-weight: 700; }

.hero__actions {
  margin-top: clamp(26px, 3.2vw, 34px);
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}
.hero__note { font-size: 13.5px; color: var(--ink-sub); }

/* 工程表（ガントチャート） */
.gantt {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: clamp(20px, 2.4vw, 28px) clamp(18px, 2.4vw, 26px) clamp(16px, 2vw, 22px);
  box-shadow: 0 18px 44px rgba(23, 38, 63, .08);
  margin-top: 8px;
}
.gantt__title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-family: var(--serif);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: .06em;
}
.gantt__title span { font-family: var(--sans); font-weight: 500; font-size: 12.5px; letter-spacing: .1em; color: var(--ink-sub); }
.gantt__axis {
  position: relative;
  height: 24px;
  margin: 18px 0 0 var(--gl);
  border-bottom: 1px solid var(--line);
}
.gantt__axis span {
  position: absolute;
  left: calc(var(--t) / var(--span) * 100%);
  bottom: 4px;
  transform: translateX(-50%);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--ink-sub);
  font-variant-numeric: tabular-nums;
}
.gantt__rows { position: relative; overflow: hidden; }
.gantt__rows::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--gl);
  right: 0;
  background-image:
    linear-gradient(var(--line-soft), var(--line-soft)),
    linear-gradient(var(--line-soft), var(--line-soft)),
    linear-gradient(var(--line-soft), var(--line-soft)),
    linear-gradient(var(--line-soft), var(--line-soft)),
    linear-gradient(var(--line-soft), var(--line-soft));
  background-size: 1px 100%;
  background-repeat: no-repeat;
  background-position:
    calc(30 / var(--span) * 100%) 0,
    calc(90 / var(--span) * 100%) 0,
    calc(150 / var(--span) * 100%) 0,
    calc(210 / var(--span) * 100%) 0,
    calc(270 / var(--span) * 100%) 0;
  pointer-events: none;
}
.gantt__row {
  display: grid;
  grid-template-columns: var(--gl) 1fr;
  align-items: center;
  min-height: 46px;
  border-bottom: 1px dashed var(--line-soft);
}
.gantt__row:last-child { border-bottom: none; }
.gantt__label { font-size: 13px; font-weight: 700; letter-spacing: .04em; padding-right: 8px; }
.gantt__track { position: relative; height: 46px; }
.gantt__bar {
  position: absolute;
  top: 10px;
  height: 26px;
  left: calc(var(--s) / var(--span) * 100%);
  width: calc(var(--d) / var(--span) * 100%);
}
.gantt__bar::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 3px;
  background: var(--bar);
  transform-origin: left center;
}
.gantt__bar > span {
  position: absolute;
  top: 0;
  left: calc(100% + 7px);
  line-height: 26px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--ink-sub);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.gantt__bar--p1 { --bar: var(--p1); }
.gantt__bar--p2 { --bar: var(--p2); }
.gantt__bar--p3 { --bar: var(--p3); }
.gantt__bar--party { --bar: transparent; }
.gantt__bar--party::before {
  background-image: repeating-linear-gradient(135deg, var(--teal-pale) 0 5px, transparent 5px 10px);
  border: 1.5px dashed var(--teal);
}
.gantt__bar--party > span { left: auto; right: calc(100% + 7px); color: var(--teal-deep); font-weight: 700; }
.gantt__note { margin-top: 14px; font-size: 12px; line-height: 1.8; color: var(--ink-sub); }

/* ロード演出：コピーが立ち上がり、工程表の棒が左から引かれる（1回だけ） */
.js .hero__copy > * { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.is-loaded .hero__copy > *:nth-child(1) { opacity: 1; transform: none; }
.is-loaded .hero__copy > *:nth-child(2) { opacity: 1; transform: none; transition-delay: .06s; }
.is-loaded .hero__copy > *:nth-child(3) { opacity: 1; transform: none; transition-delay: .12s; }
.is-loaded .hero__copy > *:nth-child(4) { opacity: 1; transform: none; transition-delay: .2s; }
.is-loaded .hero__copy > *:nth-child(5) { opacity: 1; transform: none; transition-delay: .28s; }
.is-loaded .hero__copy > *:nth-child(6) { opacity: 1; transform: none; transition-delay: .36s; }
.js .gantt { opacity: 0; transform: translateY(18px); transition: opacity .7s ease .25s, transform .7s ease .25s; }
.is-loaded .gantt { opacity: 1; transform: none; }
.js .gantt__bar::before { transform: scaleX(0); transition: transform .55s cubic-bezier(.2, .8, .2, 1); }
.js .gantt__bar > span { opacity: 0; transition: opacity .4s ease; }
.gantt__bar--p1::before { transition-delay: .65s; } .gantt__bar--p1 > span { transition-delay: 1.05s; }
.gantt__bar--p2::before { transition-delay: .8s; } .gantt__bar--p2 > span { transition-delay: 1.2s; }
.gantt__bar--p3::before { transition-delay: .95s; } .gantt__bar--p3 > span { transition-delay: 1.35s; }
.gantt__bar--party::before { transition-delay: 1.15s; } .gantt__bar--party > span { transition-delay: 1.5s; }
.is-loaded .gantt__bar::before { transform: scaleX(1); }
.is-loaded .gantt__bar > span { opacity: 1; }
@media (prefers-reduced-motion: reduce) {
  .hero__copy > *, .gantt, .gantt__bar::before, .gantt__bar > span { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .btn, .float-cta, .float-cta__pc, .header, .issue__link { transition: none !important; }
}

/* ---------- セクション共通 ---------- */
.sec { padding: clamp(64px, 8vw, 104px) 0; }
.sec--mist { background: var(--mist); }
.sec-head { margin-bottom: clamp(32px, 4vw, 48px); }
.sec-title {
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.6;
  letter-spacing: .03em;
  text-wrap: balance;
}
.sec-lead { margin-top: 16px; max-width: 46em; font-size: 15.5px; line-height: 2.05; color: var(--ink-sub); }
.sec-title + .outline,
.sec-title + .faq,
.sec-title + .partners { margin-top: clamp(28px, 3.6vw, 40px); }

/* ---------- 三つの試練 ---------- */
.issues { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.issue {
  --c: var(--p1);
  background: var(--paper);
  border-top: 4px solid var(--c);
  border-radius: 0 0 var(--r) var(--r);
  padding: 26px 28px 24px;
  display: flex;
  flex-direction: column;
}
.issue--p2 { --c: var(--p2); }
.issue--p3 { --c: var(--p3); }
.issue h3 { font-family: var(--serif); font-weight: 800; font-size: 21px; line-height: 1.6; letter-spacing: .03em; }
.issue > p:not(.issue__link) { margin-top: 12px; font-size: 14.5px; line-height: 2; color: var(--ink-sub); }
.issue__link {
  margin-top: auto;
  padding-top: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--c);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 4px;
  transition: text-decoration-color .2s ease;
}
.issue__link:hover { text-decoration-color: currentColor; }
.issue__link::before { content: ""; width: 10px; height: 10px; border-radius: 2px; background: var(--c); }

/* ---------- プログラム ---------- */
.program { border-top: 1px solid var(--line); }
.part {
  --c: var(--p1);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(24px, 4vw, 56px);
  padding: clamp(32px, 4vw, 48px) 0;
  border-bottom: 1px solid var(--line);
}
.part--p2 { --c: var(--p2); }
.part--p3 { --c: var(--p3); }
.part__meta { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 14px; }
.part__num { font-family: var(--serif); font-weight: 800; font-size: 24px; letter-spacing: .04em; color: var(--c); }
.part__theme { padding: 3px 12px; border-radius: 3px; background: var(--c); color: #fff; font-size: 13px; font-weight: 700; letter-spacing: .06em; line-height: 1.6; }
.part__time { font-size: 14.5px; font-weight: 500; color: var(--ink-sub); letter-spacing: .04em; }
.part__title {
  margin-top: 16px;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(20px, 2.3vw, 27px);
  line-height: 1.65;
  letter-spacing: .03em;
}
.speaker {
  background: var(--mist);
  border-left: 4px solid var(--c);
  border-radius: 0 var(--r) var(--r) 0;
  padding: 24px 28px;
}
.speaker__org { font-size: 14px; font-weight: 500; color: var(--ink-sub); }
.speaker__name { margin-top: 4px; font-family: var(--serif); font-weight: 700; font-size: 23px; letter-spacing: .08em; line-height: 1.5; }
.speaker__name small { font-size: 15px; letter-spacing: .04em; margin-left: 2px; }
.speaker__pending { font-family: var(--sans); font-weight: 500; font-size: 14.5px; letter-spacing: .03em; color: var(--ink-sub); }
.speaker__bio { margin-top: 12px; font-size: 14.5px; line-height: 2; color: var(--ink-sub); }
.speaker__mod { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); font-size: 13.5px; line-height: 1.9; }

/* No.1実績ブロック（第1部）。現在はindex.html側でコメントアウトして未公開。
   ブリッジワン社の調査会社審査が通ったら index.html のコメントを外して使う。 */
.speaker__no1 { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); }
.speaker__no1-title { font-family: var(--serif); font-weight: 700; font-size: 16px; letter-spacing: .03em; }
.speaker__no1-list { margin-top: 10px; display: grid; grid-template-columns: 1fr 1fr; gap: 6px 20px; }
.speaker__no1-list li { position: relative; padding-left: 18px; font-size: 14px; font-weight: 700; color: var(--ink); }
.speaker__no1-list li::before { content: ""; position: absolute; left: 0; top: .62em; width: 8px; height: 8px; border-radius: 2px; background: var(--p1); }
.speaker__no1-credit { margin-top: 10px; font-size: 14.5px; line-height: 1.9; color: var(--ink-sub); }
@media (max-width: 720px) {
  .speaker__no1-list { grid-template-columns: 1fr; }
  .speaker__no1-title { font-size: 15px; }
  .speaker__no1-list li, .speaker__no1-credit { font-size: 13.5px; }
}

.flow {
  margin-top: clamp(28px, 3.6vw, 40px);
  display: flex;
  flex-wrap: wrap;
  gap: 4px 0;
}
.flow li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 4px 20px 4px 0;
  margin-right: 20px;
  border-right: 1px solid var(--line-soft);
  font-size: 14px;
  color: var(--ink-sub);
}
.flow li:last-child { border-right: none; margin-right: 0; }
.flow time { font-weight: 700; color: var(--ink); }

/* ---------- 懇親交流会 ---------- */
.party { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr); gap: clamp(28px, 5vw, 64px); align-items: start; }
.party__who { margin-top: 24px; }
.party__who li {
  position: relative;
  padding: 10px 0 10px 28px;
  font-size: 15px;
  border-bottom: 1px solid var(--line-soft);
}
.party__who li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 1.45em;
  width: 11px;
  height: 6px;
  border-left: 2.5px solid var(--teal);
  border-bottom: 2.5px solid var(--teal);
  transform: rotate(-45deg);
}
.party__spec {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 8px 28px;
}
.party__spec > div { display: grid; grid-template-columns: 56px 1fr; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line-soft); }
.party__spec > div:last-child { border-bottom: none; }
.party__spec dt { font-weight: 700; color: var(--teal-deep); font-size: 14.5px; }
.party__spec dd { font-size: 15.5px; font-weight: 500; }
.party__spec dd small { display: block; font-size: 13px; font-weight: 400; color: var(--ink-sub); }
.party__note { grid-column: 1 / -1; margin-top: 4px; font-size: 13px; color: var(--ink-sub); }

/* ---------- 開催概要 ---------- */
.outline { border-top: 1px solid var(--line); }
.outline > div {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 20px;
  padding: 20px 4px;
  border-bottom: 1px solid var(--line);
}
.outline dt { font-weight: 700; font-size: 15px; letter-spacing: .06em; }
.outline dd { font-size: 15.5px; line-height: 2; }
.outline dd small { font-size: .88em; color: var(--ink-sub); }
.outline dd a { color: var(--teal-deep); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- アクセス ---------- */
.access { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(28px, 4vw, 56px); align-items: start; }
.access__name { margin-top: 22px; font-family: var(--serif); font-weight: 700; font-size: 22px; line-height: 1.5; letter-spacing: .04em; }
.access__name small { display: block; font-family: var(--sans); font-weight: 500; font-size: 14px; color: var(--ink-sub); margin-top: 4px; }
.access__addr { margin-top: 10px; font-size: 15px; }
.access__routes { margin-top: 14px; border-top: 1px solid var(--line-soft); }
.access__routes li { padding: 10px 0 10px 22px; position: relative; font-size: 15px; border-bottom: 1px solid var(--line-soft); }
.access__routes li::before { content: ""; position: absolute; left: 2px; top: 1.15em; width: 9px; height: 9px; border-radius: 2px; background: var(--teal); }
.access__note { margin-top: 12px; font-size: 13.5px; color: var(--ink-sub); }
.access__map iframe { width: 100%; height: 340px; border: 0; border-radius: var(--r); display: block; box-shadow: 0 10px 30px rgba(23, 38, 63, .08); }

/* ---------- 参画・協力企業 ---------- */
.partners { border-top: 1px solid var(--line); }
.partners > div { display: grid; grid-template-columns: 170px 1fr; gap: 20px; padding: 18px 4px; border-bottom: 1px solid var(--line); }
.partners dt { font-weight: 700; font-size: 15px; letter-spacing: .04em; }
.partners dd { font-size: 15.5px; }
.partners__note { margin-top: 14px; font-size: 13px; color: var(--ink-sub); }

/* ---------- 主催 ---------- */
.host { display: grid; grid-template-columns: 200px 1fr; gap: clamp(28px, 4vw, 56px); align-items: center; }
.host__logo { background: var(--paper); border-radius: var(--r); padding: 26px; }
.host__title { font-family: var(--serif); font-weight: 800; font-size: 21px; letter-spacing: .04em; }
.host__copy > p:not(.host__stats) { margin-top: 12px; font-size: 15px; line-height: 2; color: var(--ink-sub); }
.host__stats { margin-top: 12px; font-size: 15px; line-height: 2; font-weight: 500; }
.host__stats small { font-weight: 400; font-size: 12.5px; color: var(--ink-sub); }
.host__link { display: inline-block; margin-top: 8px; font-size: 14px; font-weight: 700; color: var(--teal-deep); text-decoration: underline; text-underline-offset: 4px; }

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--line); }
.faq__item { padding: 22px 4px; border-bottom: 1px solid var(--line); }
.faq__item dt {
  display: flex;
  gap: 14px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.7;
  letter-spacing: .03em;
}
.faq__item dt::before, .faq__item dd::before {
  flex-shrink: 0;
  width: 1.4em;
  font-family: var(--serif);
  font-weight: 800;
  color: var(--teal);
}
.faq__item dt::before { content: "Q"; }
.faq__item dd { display: flex; gap: 14px; margin-top: 6px; font-size: 15px; line-height: 2; color: var(--ink-sub); }
.faq__item dd::before { content: "A"; font-size: 18px; line-height: 1.7; color: var(--ink); }

/* ---------- 最終CTA ---------- */
.cta-final { background: linear-gradient(180deg, var(--ink) 0%, var(--navy-deep) 100%); color: var(--on-dark); padding: clamp(68px, 9vw, 116px) 0; }
.cta-final__inner { text-align: center; }
.cta-final__title { font-family: var(--serif); font-weight: 800; font-size: clamp(24px, 3.3vw, 36px); line-height: 1.7; letter-spacing: .04em; }
.cta-final__date { margin: 16px 0 30px; font-size: 15.5px; letter-spacing: .06em; color: var(--on-dark-sub); }
.cta-final__note { margin-top: 18px; font-size: 13.5px; color: var(--on-dark-sub); }

/* ---------- フッター ---------- */
.footer { background: var(--navy-deep); color: var(--on-dark-sub); border-top: 1px solid rgba(244, 247, 250, .1); padding: 40px 0 88px; }
.footer__inner { text-align: center; }
.footer__org { font-size: 14px; letter-spacing: .04em; color: var(--on-dark); }
.footer__notes { margin-top: 12px; font-size: 12.5px; line-height: 2; opacity: .78; }
.footer__copy { margin-top: 18px; font-size: 11.5px; letter-spacing: .14em; opacity: .75; }

/* ---------- サイトへの戻り先 ---------- */
.footer__links { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px 24px; font-size: 13px; }
.footer__links a { color: inherit; text-decoration: underline; text-underline-offset: 4px; opacity: .9; }
.footer__links a:hover { opacity: 1; }
.footer__links { justify-content: center; }

/* ---------- 固定CTA ---------- */
.float-cta { position: fixed; z-index: 90; opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .35s ease, visibility 0s linear .35s; }
.float-cta.is-visible { opacity: 1; visibility: visible; pointer-events: auto; transition-delay: 0s; }
.float-cta__pc {
  position: fixed;
  right: 26px;
  bottom: 26px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 14px 32px;
  border-radius: 999px;
  background: var(--teal-cta);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .08em;
  box-shadow: 0 12px 30px rgba(23, 38, 63, .28);
  transition: background .3s ease, transform .3s ease;
}
.float-cta__pc:hover { background: var(--teal-deep); transform: translateY(-3px); }
.float-cta__pc span { font-size: 11px; font-weight: 500; letter-spacing: .12em; opacity: .85; }
.float-cta__sp { display: none; }

/* ============================================
   レスポンシブ
============================================ */
@media (max-width: 1000px) {
  .hero__inner { grid-template-columns: 1fr; }
  .gantt { max-width: 600px; }
  .header__nav { display: none; }
  .header__cta { margin-left: auto; }
}

@media (max-width: 900px) {
  .issues { grid-template-columns: 1fr; }
  .part { grid-template-columns: 1fr; gap: 22px; }
  .party, .access, .host { grid-template-columns: 1fr; }
  .host__logo { width: 200px; }
}

@media (max-width: 720px) {
  :root { --gl: 88px; }
  body { font-size: 14.5px; }
  .pc { display: none; }
  .sp { display: inline; }
  .btn { font-size: 15px; }

  .header__cta { padding: 0 16px; font-size: 12.5px; }
  .header__brand img { height: 30px; }

  .hero__kicker { font-size: 12px; letter-spacing: .08em; }
  .hero__pre { font-size: 16px; }
  .hero__title { font-size: clamp(27px, 7.6vw, 32px); line-height: 1.5; }
  .hero__lead { font-size: 14.5px; }
  .hero__facts > div { grid-template-columns: 52px 1fr; gap: 12px; font-size: 14px; padding: 9px 0; }
  .hero__actions { flex-direction: column; align-items: stretch; gap: 12px; }
  .hero__actions .btn { width: 100%; }
  .hero__note { text-align: center; font-size: 12.5px; }
  .gantt__label { font-size: 12px; }
  .gantt__bar > span { font-size: 10.5px; }
  .gantt__bar--p3 > span { left: auto; right: calc(100% + 7px); }
  .gantt__axis span { font-size: 10px; }

  .sec-lead { font-size: 14px; }
  .issue { padding: 22px 22px 20px; }
  .issue h3 { font-size: 19px; }
  .issue p { font-size: 14px; }

  .part__num { font-size: 21px; }
  .part__title { font-size: 19px; }
  .speaker { padding: 20px 20px; }
  .speaker__name { font-size: 20px; }
  .speaker__bio { font-size: 14px; }

  .flow { flex-direction: column; gap: 0; border-top: 1px solid var(--line-soft); }
  .flow li { border-right: none; border-bottom: 1px solid var(--line-soft); margin-right: 0; padding: 8px 0; }
  .flow time { min-width: 48px; }

  .party__spec { padding: 4px 20px; }
  .party__spec > div { grid-template-columns: 48px 1fr; }

  .outline > div, .partners > div { grid-template-columns: 1fr; gap: 2px; padding: 16px 2px; }
  .outline dt, .partners dt { color: var(--teal-deep); font-size: 13.5px; }
  .outline dd, .partners dd { font-size: 14.5px; }

  .access__map iframe { height: 260px; }

  .faq__item dt { font-size: 16px; }
  .faq__item dd { font-size: 14px; }

  .footer { padding-bottom: 124px; }

  .float-cta__pc { display: none; }
  .float-cta__sp {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(10px);
    box-shadow: 0 -1px 18px rgba(23, 38, 63, .12);
  }
  .float-cta__sp .btn { width: 100%; min-height: 52px; }
}