@charset "UTF-8";

/* =========================================================
   第6回カレッジ文化祭〜まぜまぜ。〜
   配色はキービジュアル（assets/img/keyvisual.png）から抽出しています。
   色や余白はこのファイル冒頭の変数でまとめて調整できます。
   ========================================================= */

:root {
  /* キービジュアル由来の配色 */
  --c-vermilion: #f4492f;  /* 主役の朱 */
  --c-flame:     #d2360f;  /* 濃い朱 */
  --c-ember:     #9e2a10;  /* いちばん深い赤 */
  --c-amber:     #f59b3f;  /* 渦の橙 */
  --c-gold:      #f8c070;  /* 明るい金 */

  --ink:       #1a120c;    /* 破片の中の黒い粒 */
  --ink-soft:  #55504c;
  --ink-faint: #8d8a87;
  --paper:     #e9f2f3;    /* 背景画像（方眼紙）の地色 */
  --paper-alt: #dfebed;
  --line:      #d3e0e2;
  --white:     #ffffff;
  /* カードやパネルの下地。背景の紙の質感がうっすら透ける */
  --panel:     rgba(255, 255, 255, .86);
  /* 背景画像にかけるベール。濃くすると本文が読みやすく、薄くすると紙が強く出る */
  --veil:      rgba(255, 255, 255, .62);

  --grad-mix: linear-gradient(100deg, var(--c-ember), var(--c-vermilion) 34%, var(--c-amber) 70%, var(--c-gold));

  /* 本文：オールド明朝。
     指定の「FOT-筑紫Aオールド明朝 Pr6N」は Fontworks の商用フォントで Web フォント配信が
     ないため、ライセンスを持つ端末だけが本物を表示し、それ以外は Google Fonts の
     Zen Old Mincho（同じオールド明朝系）にフォールバックします。 */
  --font-ja: "FOT-TsukuAOldMin Pr6N", "FOT-TsukuAOldMincho Pr6N", "筑紫A オールド明朝",
             "Tsukushi A Old Mincho", "Zen Old Mincho",
             "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", serif;
  --font-en: "Outfit", "Zen Old Mincho", serif;

  --radius:    20px;
  --radius-sm: 12px;
  --shadow:    0 18px 40px -26px rgba(60, 24, 10, .4);
  --shadow-lg: 0 32px 64px -32px rgba(60, 24, 10, .45);

  --header-h: 68px;
  --section-pad: clamp(72px, 10vw, 136px);
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-ja);
  font-weight: 500;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.9;
  letter-spacing: .02em;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { line-height: 1.35; letter-spacing: .01em; margin: 0; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
ul, ol, dl, dd { margin: 0; padding: 0; }
li { list-style: none; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 16px; top: -100px; z-index: 200;
  background: var(--ink); color: var(--paper);
  padding: 10px 18px; border-radius: 0 0 10px 10px;
  text-decoration: none; transition: top .2s;
}
.skip-link:focus { top: 0; }

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

.container {
  width: min(100% - 40px, 1120px);
  margin-inline: auto;
}
.container--narrow { width: min(100% - 40px, 780px); }

/* ---------- header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  transition: background .3s, box-shadow .3s, backdrop-filter .3s;
}
.site-header.is-scrolled {
  background: rgba(233, 242, 243, .9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line);
}

.site-header__inner {
  width: min(100% - 40px, 1240px);
  margin-inline: auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.brand__mark {
  width: 30px; height: 30px;
  flex: none;
  background: url("../img/keyvisual-transparent.png") center / contain no-repeat;
}
.brand__text { display: flex; flex-direction: column; line-height: 1.2; }
.brand__text strong { font-size: 1.05rem; font-weight: 900; letter-spacing: .04em; }
.brand__text small { font-size: .66rem; color: var(--ink-faint); letter-spacing: .08em; }

.nav__list { display: flex; align-items: center; gap: 4px; }
.nav__list a {
  display: block;
  padding: 8px 12px;
  font-size: .84rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 999px;
  color: var(--ink-soft);
  transition: color .2s, background .2s;
}
.nav__list a:hover { color: var(--c-flame); background: rgba(244, 73, 47, .1); }
.nav__cta {
  color: var(--paper) !important;
  background: var(--c-vermilion);
  padding: 8px 18px !important;
}
.nav__cta:hover { background: var(--c-ember) !important; color: var(--paper) !important; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 0; border-radius: 12px;
  background: var(--ink);
  cursor: pointer;
  position: relative;
}
.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  position: absolute;
  left: 50%; translate: -50% 0;
  width: 18px; height: 2px;
  background: var(--paper);
  border-radius: 2px;
  transition: transform .25s, opacity .2s;
}
.nav-toggle__bars { top: 50%; margin-top: -1px; }
.nav-toggle__bars::before { content: ""; top: -6px; }
.nav-toggle__bars::after  { content: ""; top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after  { top: 0; transform: rotate(-135deg); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 56px) 0 96px;
  overflow: hidden;
  /* 背景の紙（assets/img/background.webp）はトップ画面＝ヒーローだけに敷く。
     --veil は上にかける白いベール。濃くすると本文が読みやすく、薄くすると紙が強く出る。 */
  background:
    linear-gradient(var(--veil), var(--veil)),
    url("../img/background.webp") center center / cover no-repeat,
    var(--paper);
}

.hero__inner {
  position: relative;
  z-index: 1;
  width: min(100% - 40px, 1120px);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  align-items: center;
  gap: clamp(24px, 5vw, 64px);
}

.hero__kv {
  position: relative;
  justify-self: center;
}
.hero__kv img {
  width: min(100%, 460px);
  animation: kvFloat 16s ease-in-out infinite;
  filter: drop-shadow(0 24px 40px rgba(158, 42, 16, .18));
}
@keyframes kvFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%      { transform: translateY(-14px) rotate(3deg); }
}

.hero__eyebrow {
  font-family: var(--font-en);
  font-size: clamp(.72rem, 1.6vw, .86rem);
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--c-flame);
  margin-bottom: clamp(12px, 3vw, 22px);
}

.hero__title { margin: 0 0 clamp(20px, 4vw, 30px); }
.hero__title-main {
  display: block;
  font-size: clamp(3rem, 7.6vw, 6.2rem);
  font-weight: 900;
  line-height: .98;
  letter-spacing: -.03em;
  color: var(--ink);
  white-space: nowrap;   /* 「まぜま／ぜ。」と割れるのを防ぐ */
}
.hero__dot { color: var(--c-vermilion); }

.hero__lead {
  font-size: clamp(.95rem, 2vw, 1.14rem);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: clamp(24px, 4vw, 36px);
}

.hero__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 28px;
  padding: 22px 0;
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}
.hero__meta dt {
  font-family: var(--font-en);
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--c-flame);
  margin-bottom: 2px;
}
.hero__meta dd {
  font-size: clamp(.9rem, 1.9vw, 1.04rem);
  font-weight: 700;
  line-height: 1.5;
}
.hero__meta time { font-family: var(--font-en); font-weight: 900; }
.hero__meta dd > span:not(.tag) { font-family: var(--font-en); font-size: .78em; color: var(--ink-soft); }

.countdown {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  margin-top: 24px;
  padding: 10px 22px;
  border-radius: 999px;
  background: var(--c-vermilion);
  color: var(--white);
}
.countdown__label { font-size: .76rem; font-weight: 700; letter-spacing: .1em; }
.countdown__num { font-family: var(--font-en); font-size: 1.6rem; font-weight: 900; line-height: 1; }
.countdown__unit { font-size: .82rem; font-weight: 700; }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0 0;
}

.hero__note {
  margin-top: 18px;
  font-size: .78rem;
  color: var(--ink-soft);
}

.hero__scroll {
  position: absolute;
  bottom: 22px; left: 50%;
  translate: -50% 0;
  z-index: 1;
  font-family: var(--font-en);
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--ink-soft);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.hero__scroll span {
  width: 1px; height: 36px;
  background: linear-gradient(var(--c-vermilion), transparent);
  animation: scrollLine 2.2s ease-in-out infinite;
}
@keyframes scrollLine { 0%,100% { opacity: .3; transform: scaleY(.6); } 50% { opacity: 1; transform: scaleY(1); } }

/* ---------- ticker ---------- */
.ticker {
  background: var(--ink);
  color: var(--paper);
  padding: 14px 0;
  overflow: hidden;
}
.ticker__track {
  display: flex;
  width: max-content;
  gap: 40px;
  animation: ticker 34s linear infinite;
}
.ticker__track span {
  font-family: var(--font-en);
  font-size: .92rem;
  font-weight: 700;
  letter-spacing: .14em;
  white-space: nowrap;
  opacity: .9;
}
.ticker__track span:nth-child(4n+1) {
  font-family: var(--font-ja);
  font-weight: 900;
  color: var(--c-amber);
  opacity: 1;
}
@keyframes ticker { to { transform: translateX(-33.333%); } }

/* ---------- section ---------- */
/* 背景の紙を活かすため、セクションは原則すべて透明。
   1つおきに薄い白をかけて区切りのリズムだけ残している。 */
.section { padding: var(--section-pad) 0; position: relative; background: transparent; }
/* セクション順：about → exhibitors → goods → project → contents → floor
                 → message → college → access → support → faq */
.section--exhibitors{ background: rgba(255, 255, 255, .4); }
.section--project   { background: rgba(255, 255, 255, .4); }
.section--floor     { background: rgba(255, 255, 255, .4); }
.section--access    { background: rgba(255, 255, 255, .4); }
.section--faq       { background: rgba(255, 255, 255, .4); }
.section--college  { background: var(--ink); color: var(--paper); }

.section__head { margin-bottom: clamp(40px, 6vw, 64px); max-width: 720px; }
.section__label {
  font-family: var(--font-en);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .24em;
  color: var(--c-vermilion);
  margin-bottom: 10px;
}
.section--college .section__label { color: var(--c-amber); }
.section__title {
  font-size: clamp(1.7rem, 4.4vw, 2.7rem);
  font-weight: 900;
  letter-spacing: .005em;
  margin-bottom: .5em;
  position: relative;
}
.section__desc {
  font-size: clamp(.9rem, 1.9vw, 1rem);
  color: var(--ink-soft);
  margin: 0;
}

/* ---------- tag ---------- */
.tag {
  display: inline-block;
  padding: 3px 11px;
  border-radius: 999px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .04em;
  line-height: 1.7;
  white-space: nowrap;
  background: rgba(244, 73, 47, .14);
  color: var(--c-ember);
}
.tag--tbd   { background: rgba(245, 155, 63, .22); color: #8d5207; }
.tag--inner { background: rgba(26, 18, 12, .1);    color: var(--ink); }

/* ---------- about ---------- */
.about__body {
  display: grid;
  grid-template-columns: 1.25fr .85fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}
.about__text .lead {
  font-size: clamp(1.05rem, 2.4vw, 1.3rem);
  font-weight: 700;
  margin-bottom: 1.2em;
}
.about__text p { color: var(--ink-soft); }
.about__text strong { color: var(--c-flame); }

.about__quote {
  margin: 0;
  padding: clamp(28px, 4vw, 40px);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.about__quote::before {
  content: "";
  position: absolute; inset: 0 auto 0 0;
  width: 6px;
  background: var(--grad-mix);
}
.about__quote blockquote { margin: 0 0 16px; }
.about__quote blockquote p {
  font-size: clamp(1.2rem, 2.8vw, 1.6rem);
  font-weight: 900;
  line-height: 1.55;
}
.about__quote em {
  font-style: normal;
  color: var(--c-flame);
  background: linear-gradient(transparent 62%, rgba(248, 192, 112, .6) 0);
}
.about__quote figcaption {
  font-size: .86rem;
  color: var(--ink-soft);
  line-height: 1.8;
}

/* ---------- concept ---------- */
.concept {
  position: relative;
  margin-top: clamp(40px, 6vw, 64px);
  padding: clamp(32px, 5vw, 52px) clamp(24px, 4vw, 48px);
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--paper);
  text-align: center;
  overflow: hidden;
}
/* 背面にキービジュアルを大きく透かす */
.concept::before {
  content: "";
  position: absolute;
  right: -6%; top: 50%;
  translate: 0 -50%;
  width: min(42%, 320px);
  aspect-ratio: 545 / 574;
  background: url("../img/keyvisual-transparent.png") center / contain no-repeat;
  opacity: .3;
  pointer-events: none;
}
.concept > * { position: relative; }
.concept__label {
  font-family: var(--font-en);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .24em;
  color: var(--c-amber);
  margin-bottom: 8px;
}
.concept__title {
  font-size: clamp(1.5rem, 4.5vw, 2.3rem);
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: .5em;
  background: var(--grad-mix);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.concept__text {
  font-size: clamp(.88rem, 1.9vw, .98rem);
  color: rgba(233, 242, 243, .8);
  margin: 0;
  /* 本文が長いので左寄せにし、読みやすい行長に制限する */
  text-align: left;
  max-width: 62ch;
  margin-inline: auto;
}
.concept__text p { margin: 0 0 1em; }
.concept__text p:last-child { margin-bottom: 0; }

/* ---------- stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: clamp(40px, 6vw, 64px);
}
.stats li {
  padding: 28px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--panel);
  text-align: center;
}
.stats__num {
  font-family: var(--font-en);
  font-size: clamp(2.4rem, 6vw, 3.4rem);
  font-weight: 900;
  line-height: 1;
  background: var(--grad-mix);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stats__unit { font-size: .9rem; font-weight: 700; margin-left: 4px; }
.stats__label {
  display: block;
  margin-top: 10px;
  font-size: .8rem;
  color: var(--ink-soft);
}

/* ---------- マイプロ・アワプロ ---------- */
.project {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}
.project__card {
  position: relative;
  padding: clamp(30px, 4vw, 42px);
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 5px solid var(--card-accent, var(--c-vermilion));
}
.project__card--accent {
  background: linear-gradient(170deg, var(--panel), rgba(255, 241, 234, .92));
}
.project__en {
  font-family: var(--font-en);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--card-accent, var(--c-vermilion));
  margin-bottom: 6px;
}
.project__card h3 {
  font-size: clamp(1.3rem, 3.2vw, 1.7rem);
  font-weight: 900;
  margin-bottom: .6em;
}
.project__card p:not(.project__en) {
  font-size: .9rem;
  color: var(--ink-soft);
  margin: 0;
}
.project__note {
  margin: 28px 0 0;
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  background: rgba(244, 73, 47, .07);
  border-left: 3px solid var(--c-vermilion);
  font-size: .88rem;
  color: var(--ink-soft);
}
.project__note .tag { margin-left: 4px; }
.project__note a {
  display: inline-block;
  margin-left: 4px;
  font-weight: 700;
  color: var(--c-flame);
  text-decoration: none;
  white-space: nowrap;
}
.project__note a:hover { text-decoration: underline; }

/* 昨年の企画 */
.past { margin-top: clamp(44px, 7vw, 72px); }
.past__title { font-size: 1.15rem; font-weight: 900; margin-bottom: .4em; }
.past__desc { font-size: .88rem; color: var(--ink-soft); margin-bottom: 22px; }
.past__list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 10px;
}
.past__list li {
  padding: 16px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color .25s, transform .25s;
}
.past__list li:hover { border-color: var(--c-vermilion); transform: translateY(-2px); }
.past__list strong { display: block; font-size: .92rem; font-weight: 900; margin-bottom: 2px; }
.past__list span { font-size: .78rem; color: var(--ink-soft); line-height: 1.7; }

/* ---------- cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(268px, 1fr));
  gap: 20px;
}
.card {
  position: relative;
  padding: 30px 26px 26px;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform .3s cubic-bezier(.2,.8,.3,1), box-shadow .3s, border-color .3s;
}
.card::before {
  content: "";
  position: absolute; inset: 0 0 auto 0;
  height: 4px;
  background: var(--card-accent, var(--c-vermilion));
  opacity: 0;
  transition: opacity .3s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card:hover::before { opacity: 1; }
.card__icon {
  display: grid;
  place-items: center;
  width: 48px; height: 48px;
  border-radius: 14px;
  font-size: 1.4rem;
  margin-bottom: 18px;
  background: color-mix(in srgb, var(--card-accent, var(--c-vermilion)) 16%, transparent);
}
.card h3 { font-size: 1.08rem; font-weight: 900; margin-bottom: .6em; }
.card p { font-size: .87rem; color: var(--ink-soft); }
.card__meta { margin-top: 14px; }
.card__meta a {
  font-size: .82rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--card-accent, var(--c-vermilion));
}
.card__meta a:hover { text-decoration: underline; }
.card--inner { background: linear-gradient(180deg, var(--panel), rgba(223, 235, 237, .9)); }

/* ---------- 出展企画 ---------- */
.exhibits {
  display: grid;
  /* auto-fit にしているのは、企画が2件のときに空の3列目ができるのを防ぐため */
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}
.exhibit {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform .3s cubic-bezier(.2,.8,.3,1), box-shadow .3s, border-color .3s;
}
.exhibit:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }

.exhibit__visual {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--paper-alt);
  border-bottom: 3px solid var(--c-vermilion);
}
.exhibit__visual img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s cubic-bezier(.2,.8,.3,1);
}
.exhibit:hover .exhibit__visual img { transform: scale(1.04); }

/* 画像がまだ届いていない企画。画像の代わりに上辺の朱線で体裁を揃える */
.exhibit--text {
  border-top: 3px solid var(--c-vermilion);
}
.exhibit--text .exhibit__body { padding-top: 30px; }

.exhibit__body {
  padding: 24px 26px 28px;
  /* 企画者欄をカード下端に揃えるため、本文側を伸縮させる */
  flex: 1;
  display: flex;
  flex-direction: column;
}
.exhibit__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.exhibit__title {
  font-size: clamp(1.05rem, 2.4vw, 1.25rem);
  font-weight: 900;
  line-height: 1.5;
  margin-bottom: .6em;
}
.exhibit__body p:not(.exhibit__tags) {
  font-size: .88rem;
  color: var(--ink-soft);
  margin: 0 0 .9em;   /* 紹介文が複数段落になる企画があるため */
}
.exhibit__body p:not(.exhibit__tags):last-of-type { margin-bottom: 0; }

/* 予約フォームなど、企画ごとのボタン */
.exhibit__actions {
  margin-top: 18px !important;
}
.exhibit__actions .btn {
  padding: 10px 22px;
  font-size: .84rem;
}

/* 企画者・連絡先（掲載希望があった企画のみ） */
.exhibit__by {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 6px;
  font-size: .8rem;
}
.exhibit__by > div {
  display: grid;
  grid-template-columns: 6.5em 1fr;
  gap: 8px;
  align-items: baseline;
}
.exhibit__by dt {
  font-weight: 700;
  color: var(--c-flame);
  letter-spacing: .04em;
}
.exhibit__by dd { color: var(--ink-soft); overflow-wrap: anywhere; }
.exhibit__by a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}
.exhibit__by a:hover { color: var(--c-flame); border-color: currentColor; }

.exhibits__note {
  margin: 28px 0 0;
  font-size: .85rem;
  color: var(--ink-soft);
}
.exhibits__note .tag { margin-left: 4px; }

/* 企画が1件だけのときに横長になりすぎないよう上限を設ける */
.exhibits:has(.exhibit:only-child) { grid-template-columns: minmax(0, 480px); }

/* ---------- 物販 ---------- */
.goods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}
.goods__item {
  margin: 0;
  padding: clamp(16px, 2.5vw, 24px);
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line);
}
.goods__item img {
  width: 100%;
  /* 2枚の写真で比率が少し違うため、枠を揃えて見出しの高さを合わせる。
     白いスウェットがカードの白地に溶けないよう、薄い下地を敷く。 */
  aspect-ratio: 2 / 1;
  object-fit: contain;
  background: #f2f6f7;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}
.goods__item figcaption {
  margin-top: 14px;
  font-size: .85rem;
  font-weight: 700;
  color: var(--c-flame);
  letter-spacing: .06em;
}
/* 説明文が複数段落になるため、段落間に余白をとる */
.goods__lead p { margin: 0 0 .9em; }
.goods__lead p:last-child { margin-bottom: 0; }

.goods__actions { margin: 28px 0 0; }
.goods__note {
  margin: 12px 0 0;
  font-size: .8rem;
  color: var(--ink-soft);
}
.goods__note .tag { margin-left: 4px; }

/* ---------- floor ---------- */
.building {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 880px;
}
.floor {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 32px);
  padding: clamp(18px, 3vw, 26px) clamp(20px, 3vw, 32px);
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 5px solid var(--floor-accent, var(--c-vermilion));
  transition: transform .3s cubic-bezier(.2,.8,.3,1), box-shadow .3s;
}
.floor:hover { transform: translateX(8px); box-shadow: var(--shadow); }
.floor__no {
  flex: none;
  width: 68px;
  font-family: var(--font-en);
  font-weight: 900;
  font-size: 1rem;
  color: var(--floor-accent, var(--c-vermilion));
  line-height: 1;
}
.floor__no span { font-size: 2.6rem; }
.floor__body h3 { font-size: clamp(.98rem, 2.2vw, 1.12rem); font-weight: 900; margin-bottom: .35em; }
.floor__body p { font-size: .85rem; color: var(--ink-soft); }

/* ---------- timeline ---------- */
.timeline {
  position: relative;
  max-width: 800px;
  padding-left: 12px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 46px; top: 12px; bottom: 12px;
  width: 2px;
  background: linear-gradient(var(--c-gold), var(--c-amber), var(--c-vermilion));
  opacity: .6;
}
.timeline__item {
  position: relative;
  display: flex;
  gap: clamp(20px, 4vw, 40px);
  padding: 18px 0;
}
.timeline__date {
  flex: none;
  width: 68px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 0;
  border-radius: 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  position: relative;
  z-index: 1;
  line-height: 1.1;
}
.timeline__month { font-family: var(--font-en); font-size: .66rem; font-weight: 700; color: var(--ink-faint); }
.timeline__day   { font-family: var(--font-en); font-size: 1.7rem; font-weight: 900; }
.timeline__dow   { font-family: var(--font-en); font-size: .6rem; font-weight: 700; letter-spacing: .1em; color: var(--ink-faint); }
.timeline__body h3 { font-size: clamp(1rem, 2.4vw, 1.2rem); font-weight: 900; margin-bottom: .5em; }
.timeline__body h3 .tag { vertical-align: middle; margin-left: 6px; }
.timeline__body p { font-size: .88rem; color: var(--ink-soft); }
.timeline__note { margin-top: 10px; }

.timeline__item--main .timeline__date {
  background: var(--c-vermilion);
  border-color: var(--c-vermilion);
  color: var(--white);
}
.timeline__item--main .timeline__month,
.timeline__item--main .timeline__dow { color: rgba(255, 255, 255, .8); }

/* ---------- college ---------- */
.section--college { position: relative; overflow: hidden; }
.college {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: clamp(32px, 6vw, 72px);
  align-items: center;
}
.section--college .section__title { color: var(--paper); }
.college__text p { color: rgba(233, 242, 243, .78); font-size: .95rem; }
.college__lead {
  margin-top: 1.4em !important;
  font-weight: 700;
  color: var(--paper) !important;
}
.college__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.college__building {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 28px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .1);
}
.college__building span {
  display: block;
  height: 26px;
  border-radius: 8px;
  background: var(--grad-mix);
}
.college__building span:nth-child(1) { width: 56%; opacity: .5; }
.college__building span:nth-child(2) { width: 74%; opacity: .62; }
.college__building span:nth-child(3) { width: 88%; opacity: .74; }
.college__building span:nth-child(4) { width: 96%; opacity: .87; }
.college__building span:nth-child(5) { width: 100%; opacity: 1; }

/* ---------- access ---------- */
.access {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}
.access__info > div {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.access__info > div:first-child { padding-top: 0; }
.access__info dt {
  font-size: .78rem;
  font-weight: 700;
  color: var(--c-flame);
  letter-spacing: .06em;
}
.access__info dd { font-size: .92rem; font-weight: 500; }

.access__map {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .5);
}
.access__map iframe { width: 100%; height: 100%; border: 0; display: block; }
.access__map-placeholder {
  height: 100%;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 10px;
  color: var(--ink-faint);
}
.access__map-placeholder span { font-size: 2rem; }
.access__map-placeholder p { font-size: .84rem; }
.access__map-note {
  margin: 10px 0 0;
  text-align: right;
  font-size: .8rem;
}
.access__map-note a {
  font-weight: 700;
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}
.access__map-note a:hover { color: var(--c-flame); border-color: currentColor; }

/* ---------- support ---------- */
.support {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.support__card {
  padding: clamp(28px, 4vw, 38px);
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line);
}
.support__card h3 { font-size: 1.15rem; font-weight: 900; margin-bottom: .7em; }
.support__card p { font-size: .9rem; color: var(--ink-soft); }

/* ボタンが2つ以上並んでも、狭い画面で折り返して収まるようにする */
.support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.support__note {
  margin-top: 12px;
  font-size: .76rem !important;
  color: var(--ink-faint) !important;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  font-size: .88rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform .2s, background .2s, color .2s, border-color .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--c-vermilion); color: var(--white); }
.btn--primary:hover { background: var(--c-ember); }
.btn--ghost { border: 1.5px solid currentColor; color: var(--c-flame); }
/* 濃い背景の上で使うボタン */
.btn--light {
  border: 1.5px solid rgba(255, 255, 255, .5);
  color: var(--paper);
}
.btn--light:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.btn--ghost:hover { background: var(--c-flame); color: var(--white); border-color: var(--c-flame); }
.btn[aria-disabled="true"] { opacity: .45; pointer-events: none; }

/* ---------- faq ---------- */
.faq__item { border-bottom: 1px solid var(--line); }
.faq__item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 44px 22px 0;
  font-size: clamp(.95rem, 2.1vw, 1.05rem);
  font-weight: 700;
  position: relative;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "";
  position: absolute;
  right: 8px; top: 50%;
  width: 12px; height: 12px;
  margin-top: -8px;
  border-right: 2px solid var(--c-vermilion);
  border-bottom: 2px solid var(--c-vermilion);
  transform: rotate(45deg);
  transition: transform .25s;
}
.faq__item[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.faq__item summary:hover { color: var(--c-flame); }
.faq__body {
  padding: 0 0 24px;
  font-size: .9rem;
  color: var(--ink-soft);
}
.faq__body strong { color: var(--c-flame); }

/* ---------- cta ---------- */
.cta {
  position: relative;
  padding: var(--section-pad) 0;
  background: var(--grad-mix);
  overflow: hidden;
}
.cta::before,
.cta::after {
  content: "";
  position: absolute;
  aspect-ratio: 545 / 574;
  background: url("../img/keyvisual-transparent.png") center / contain no-repeat;
  opacity: .22;
  pointer-events: none;
}
.cta::before { width: 340px; left: -110px; top: -70px; }
.cta::after  { width: 300px; right: -90px; bottom: -80px; }

.cta__inner {
  position: relative;
  text-align: center;
  background: var(--paper);
  border-radius: clamp(20px, 4vw, 36px);
  padding: clamp(40px, 7vw, 76px) clamp(24px, 5vw, 64px);
  box-shadow: var(--shadow-lg);
}
.cta__inner h2 {
  font-size: clamp(1.4rem, 4vw, 2.1rem);
  font-weight: 900;
  margin-bottom: .6em;
}
.cta__inner > p { font-size: .94rem; color: var(--ink-soft); }
.cta__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
}
.cta__note { margin-top: 18px; font-size: .76rem; color: var(--ink-faint); }
.cta__note a { color: var(--c-flame); font-weight: 700; text-decoration: none; }
.cta__note a:hover { text-decoration: underline; }

/* ---------- footer ---------- */
.site-footer {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(48px, 7vw, 76px) 0 32px;
  overflow: hidden;
}
/* 背面にキービジュアルを透かす。リンクの可読性を落とさないよう薄めに。 */
.site-footer::before {
  content: "";
  position: absolute;
  right: -13%; bottom: -34%;
  width: min(44%, 380px);
  aspect-ratio: 545 / 574;
  background: url("../img/keyvisual-transparent.png") center / contain no-repeat;
  opacity: .09;
  pointer-events: none;
}
.site-footer .container { position: relative; }
.site-footer__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.site-footer__logo {
  font-size: 1.8rem;
  font-weight: 900;
  margin-bottom: 10px;
  color: var(--paper);
}
.site-footer__logo span { color: var(--c-vermilion); }
.site-footer__tagline {
  font-family: var(--font-en);
  font-size: .8rem;
  letter-spacing: .08em;
  color: rgba(233, 242, 243, .6);
  line-height: 1.8;
}
.site-footer__college { margin-right: auto; }
.site-footer__college-title {
  font-family: var(--font-en);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--c-amber);
  margin-bottom: 12px;
}
.site-footer__college ul { display: grid; gap: 8px; }
.site-footer__college a {
  font-size: .85rem;
  text-decoration: none;
  color: rgba(253, 248, 241, .78);
  transition: color .2s;
}
.site-footer__college a:hover { color: var(--c-amber); }
.site-footer__college a[aria-disabled="true"] { opacity: .45; pointer-events: none; }

.site-footer__nav ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(140px, auto));
  gap: 8px 32px;
}
.site-footer__nav a {
  font-size: .85rem;
  font-weight: 500;
  text-decoration: none;
  color: rgba(233, 242, 243, .78);
  transition: color .2s;
}
.site-footer__nav a:hover { color: var(--c-amber); }
.site-footer__copy {
  margin-top: 28px;
  font-family: var(--font-en);
  font-size: .72rem;
  letter-spacing: .06em;
  color: rgba(233, 242, 243, .45);
}

/* ---------- reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s cubic-bezier(.2,.8,.3,1), transform .7s cubic-bezier(.2,.8,.3,1);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* =========================================================
   レスポンシブ
   ========================================================= */
@media (max-width: 1080px) {
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: rgba(233, 242, 243, .97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    padding: 12px 20px 24px;
    transform: translateY(-120%);
    transition: transform .32s cubic-bezier(.2,.8,.3,1);
    max-height: calc(100svh - var(--header-h));
    overflow-y: auto;
  }
  .nav.is-open { transform: none; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav__list a { padding: 14px 12px; font-size: .95rem; border-radius: 12px; }
  .nav__cta { text-align: center; margin-top: 10px; }
  .nav-toggle { display: block; }

  .site-header:has(.nav.is-open) {
    background: rgba(233, 242, 243, .97);
    box-shadow: 0 1px 0 var(--line);
  }
}

@media (max-width: 960px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__kv { order: -1; }
  .hero__kv img { width: min(74%, 320px); margin-inline: auto; }
  .about__body,
  .college,
  .access { grid-template-columns: 1fr; }
  .college__visual { order: -1; max-width: 420px; }
  .concept::before { opacity: .16; }
}

@media (max-width: 680px) {
  body { line-height: 1.85; }
  .hero { min-height: auto; padding-bottom: 72px; }
  .hero__meta { grid-template-columns: 1fr; gap: 16px; }
  .hero__scroll { display: none; }
  .stats { grid-template-columns: 1fr; }
  .stats li { display: flex; align-items: baseline; gap: 10px; text-align: left; padding: 20px 22px; }
  .stats__label { margin-top: 0; margin-left: auto; }
  .floor { align-items: flex-start; }
  .floor__no { width: 52px; }
  .floor__no span { font-size: 2rem; }
  .timeline { padding-left: 0; }
  .timeline::before { left: 32px; }
  .timeline__date { width: 64px; }
  .access__info > div { grid-template-columns: 1fr; gap: 4px; }
  .site-footer__nav ul { grid-template-columns: 1fr; }
  .cta::before, .cta::after { display: none; }
}

/* =========================================================
   アクセシビリティ / 印刷
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .hero__scroll, .ticker, .cta { display: none !important; }
  body { background: #fff; color: #000; }
  .hero { background: #fff !important; }
  .reveal { opacity: 1; transform: none; }
}

/* =========================================================
   協賛専用ページ（#sponsor）
   index.html 内の #view-sponsor に対応します。
   ========================================================= */

/* 協賛ページ表示中はトップ用のティッカーなどを出さない */
.is-subpage .hero__scroll { display: none; }

/* ---------- 見出し ---------- */
.sponsor-hero {
  padding: calc(var(--header-h) + 56px) 0 clamp(48px, 7vw, 80px);
  background:
    linear-gradient(var(--veil), var(--veil)),
    url("../img/background.webp") center center / cover no-repeat,
    var(--paper);
  border-bottom: 1px solid var(--line);
}
.sponsor-hero__back { margin: 0 0 clamp(20px, 4vw, 32px); font-size: .84rem; }
.sponsor-hero__back a {
  font-weight: 700;
  color: var(--c-flame);
  text-decoration: none;
}
.sponsor-hero__back a:hover { text-decoration: underline; }

.sponsor-hero__eyebrow {
  font-family: var(--font-en);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .24em;
  color: var(--c-vermilion);
  margin-bottom: 10px;
}
.sponsor-hero__title {
  font-size: clamp(1.9rem, 5.4vw, 3.2rem);
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: .5em;
}
.sponsor-hero__lead {
  font-size: clamp(.95rem, 2vw, 1.1rem);
  font-weight: 700;
  color: var(--ink-soft);
  margin-bottom: clamp(24px, 4vw, 34px);
}
.sponsor-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 40px;
  padding: 20px 0;
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}
.sponsor-hero__meta dt {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--c-flame);
  margin-bottom: 2px;
}
.sponsor-hero__meta dd { font-size: clamp(.9rem, 1.9vw, 1.02rem); font-weight: 700; }
.sponsor-hero__actions { margin: clamp(24px, 4vw, 32px) 0 0; }

/* ---------- PDF掲載写真 ---------- */
.sponsor-hero__layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: clamp(28px, 4vw, 48px);
}
.sponsor-hero__copy { min-width: 0; }
.sponsor-photo { min-width: 0; margin: 0; }
.sponsor-photo img {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
}
.sponsor-photo figcaption {
  margin-top: 10px;
  font-size: .76rem;
  color: var(--ink-soft);
  line-height: 1.7;
}
.sponsor-hero__photo img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.sponsor-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: clamp(28px, 4vw, 40px);
}
.sponsor-gallery img { aspect-ratio: 3 / 2; object-fit: cover; }
.sponsor-gallery__wide { grid-column: 1 / -1; }
.sponsor-gallery__wide img { aspect-ratio: auto; }
.sponsor-gallery__note {
  margin: 16px 0 0;
  font-size: .74rem;
  color: var(--ink-faint);
}
.sponsor-photo--spaced { margin-top: clamp(28px, 4vw, 40px); }
.sponsor-gallery--making { grid-template-columns: 1.9fr 1fr; }
.sponsor-gallery--making img { height: clamp(240px, 32vw, 340px); aspect-ratio: auto; }

@media (max-width: 960px) {
  .sponsor-hero__layout { grid-template-columns: 1fr; }
  .sponsor-hero__photo { max-width: 720px; }
}
@media (max-width: 680px) {
  .sponsor-gallery { grid-template-columns: 1fr; gap: 24px; }
  .sponsor-gallery img { aspect-ratio: auto; height: auto; }
}

/* ---------- 本文 ---------- */
.section--sponsor-intro   { background: transparent; }
.section--sponsor-merit   { background: rgba(255, 255, 255, .4); }
.section--sponsor-plans   { background: transparent; }
.section--sponsor-compare { background: rgba(255, 255, 255, .4); }
.section--sponsor-use     { background: transparent; }
.section--sponsor-apply   { background: rgba(255, 255, 255, .4); }
.section--sponsor-message { background: transparent; }

.sponsor-prose p {
  font-size: clamp(.9rem, 1.9vw, .97rem);
  color: var(--ink-soft);
  margin: 0 0 1.2em;
}
.sponsor-prose p:last-child { margin-bottom: 0; }

/* ---------- 数字 ---------- */
.sponsor-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: clamp(32px, 5vw, 44px);
}
.sponsor-stats li {
  padding: 24px 18px;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line);
  text-align: center;
}
.sponsor-stats__num {
  font-family: var(--font-en);
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  font-weight: 900;
  line-height: 1;
  color: var(--c-vermilion);
}
.sponsor-stats__unit { font-size: .85rem; font-weight: 700; margin-left: 3px; }
.sponsor-stats__label {
  display: block;
  margin-top: 8px;
  font-size: .76rem;
  color: var(--ink-soft);
}

/* ---------- メリット ---------- */
.merits {
  display: grid;
  gap: 12px;
}
.merits li {
  position: relative;
  padding: 16px 20px 16px 48px;
  border-radius: var(--radius-sm);
  background: var(--panel);
  border: 1px solid var(--line);
  font-size: .9rem;
  color: var(--ink-soft);
}
.merits li::before {
  content: "✓";
  position: absolute;
  left: 20px; top: 16px;
  font-weight: 900;
  color: var(--c-vermilion);
}

/* ---------- プラン ---------- */
.plans {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  align-items: start;
}
.plan {
  position: relative;
  padding: clamp(28px, 4vw, 36px) clamp(22px, 3vw, 30px);
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line);
}
.plan--recommended {
  border: 2px solid var(--c-vermilion);
  box-shadow: var(--shadow);
}
.plan__badge {
  position: absolute;
  top: -14px; left: 50%;
  translate: -50% 0;
  margin: 0;
  padding: 4px 16px;
  border-radius: 999px;
  background: var(--c-vermilion);
  color: var(--white);
  font-size: .72rem;
  font-weight: 700;
  white-space: nowrap;
}
.plan__badge--limited { background: var(--ink); }

.plan__name {
  text-align: center;
  font-size: 1rem;
  font-weight: 900;
  margin: 0 0 .3em;
}
.plan__price {
  text-align: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-vermilion);
  margin: 0 0 .6em;
}
.plan__price span {
  font-family: var(--font-en);
  font-size: 2.4rem;
  font-weight: 900;
  letter-spacing: -.02em;
}
.plan__caption {
  text-align: center;
  font-size: .74rem;
  color: var(--ink-faint);
  margin: 0 0 1.2em;
  letter-spacing: .08em;
}
.plan__list { display: grid; gap: 12px; }
.plan__list li {
  position: relative;
  padding-left: 24px;
  font-size: .85rem;
  color: var(--ink-soft);
  line-height: 1.8;
}
.plan__list li::before {
  content: "✓";
  position: absolute;
  left: 0; top: 0;
  font-weight: 900;
  color: var(--c-vermilion);
}
.plan__list strong { color: var(--c-flame); }

.plan__detail {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.plan__detail h4 {
  font-size: .84rem;
  font-weight: 900;
  margin: 1.4em 0 .4em;
}
.plan__detail h4:first-of-type { margin-top: 1em; }
.plan__detail p {
  font-size: .82rem;
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.85;
}

/* ---------- 比較表 ---------- */
.compare { overflow-x: auto; }
/* 表が画面に収まらない幅のときだけ、横スクロールできることを知らせる */
.compare__hint { display: none; }
@media (max-width: 720px) {
  .compare__hint {
    display: block;
    margin: 0 0 10px;
    font-size: .76rem;
    color: var(--ink-faint);
  }
}
.compare__table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  background: var(--panel);
  border-radius: var(--radius-sm);
  overflow: hidden;
  font-size: .85rem;
}
.compare__table th,
.compare__table td {
  padding: 14px 16px;
  border: 1px solid var(--line);
  text-align: center;
  vertical-align: middle;
}
.compare__table thead th {
  background: var(--paper-alt);
  font-weight: 900;
  color: var(--c-flame);
  white-space: nowrap;
}
.compare__table thead th:first-child { color: var(--ink); }
.compare__table thead th small {
  display: block;
  font-size: .68rem;
  font-weight: 700;
  color: var(--ink-faint);
}
.compare__table tbody th {
  text-align: left;
  font-weight: 700;
  color: var(--ink);
  background: rgba(255, 255, 255, .5);
  white-space: nowrap;
}
.compare__table td { color: var(--ink-soft); }
.compare__table .is-recommended { background: rgba(244, 73, 47, .07); }
.compare__table thead th.is-recommended { background: rgba(244, 73, 47, .14); }

.mark { font-weight: 900; font-size: 1.05rem; }
.mark--yes { color: var(--c-vermilion); }
.mark--no  { color: var(--ink-faint); }

.notes {
  display: grid;
  gap: 6px;
  margin-top: 22px;
}
.notes li {
  position: relative;
  padding-left: 1.3em;
  font-size: .78rem;
  color: var(--ink-soft);
}
.notes li::before { content: "※"; position: absolute; left: 0; }

/* ---------- お申し込み ---------- */
.sponsor-apply__actions { margin: 28px 0 0; }
.sponsor-apply__info { margin-top: 28px; display: grid; gap: 2px; }
.sponsor-apply__info > div {
  display: grid;
  grid-template-columns: 11em 1fr;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.sponsor-apply__info dt {
  font-size: .78rem;
  font-weight: 700;
  color: var(--c-flame);
}
.sponsor-apply__info dd { font-size: .88rem; color: var(--ink-soft); }
.sponsor-apply__info a { color: var(--c-flame); font-weight: 700; overflow-wrap: anywhere; }

/* ---------- 委員長メッセージ（トップ・協賛・個人応援の3ページ共通） ---------- */
.chair {
  display: grid;
  grid-template-columns: minmax(0, 300px) 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}
.chair__photo { margin: 0; }
.chair__photo img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}
.chair__text p {
  font-size: clamp(.9rem, 1.9vw, .97rem);
  color: var(--ink-soft);
  margin: 0 0 1.2em;
}
.chair__sign {
  margin: 1.6em 0 0 !important;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: .85rem !important;
}
.chair__sign strong {
  display: inline-block;
  margin-top: 4px;
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--ink);
}

/* ---------- 最後に ---------- */
.sponsor-closing {
  padding: var(--section-pad) 0;
  background: var(--grad-mix);
}
.sponsor-closing__inner {
  text-align: center;
  background: var(--paper);
  border-radius: clamp(20px, 4vw, 36px);
  padding: clamp(36px, 6vw, 64px) clamp(24px, 5vw, 56px);
  box-shadow: var(--shadow-lg);
}
.sponsor-closing__inner h2 {
  font-size: clamp(1.3rem, 3.6vw, 1.9rem);
  font-weight: 900;
  margin-bottom: .7em;
}
.sponsor-closing__inner p { font-size: .92rem; color: var(--ink-soft); }
.sponsor-closing__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
}

@media (max-width: 760px) {
  .sponsor-stats { grid-template-columns: 1fr; }
  .sponsor-stats li { display: flex; align-items: baseline; gap: 10px; text-align: left; }
  .sponsor-stats__label { margin-top: 0; margin-left: auto; }
  .chair { grid-template-columns: 1fr; }
  .chair__photo { max-width: 280px; }
  .sponsor-apply__info > div { grid-template-columns: 1fr; gap: 4px; }
}

/* ---------- 個人応援ページ（#supporter） ---------- */
.supporter-target {
  margin-top: clamp(28px, 4vw, 40px);
  padding: clamp(24px, 3.5vw, 32px);
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 5px solid var(--c-vermilion);
}
.supporter-target h3 {
  font-size: clamp(.98rem, 2.2vw, 1.1rem);
  font-weight: 900;
  margin-bottom: .7em;
}
.supporter-target p {
  font-size: .89rem;
  color: var(--ink-soft);
  margin: 0;
}

.returns { display: grid; gap: 20px; }
.returns__item {
  padding: clamp(24px, 3.5vw, 32px);
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line);
}
.returns__item h3 {
  font-size: clamp(.95rem, 2.1vw, 1.08rem);
  font-weight: 900;
  margin-bottom: .5em;
}
.returns__scope {
  display: inline-block;
  margin: 0 0 1em;
  padding: 3px 11px;
  border-radius: 999px;
  background: rgba(244, 73, 47, .12);
  color: var(--c-ember);
  font-size: .74rem;
  font-weight: 700;
}
.returns__item p { font-size: .88rem; color: var(--ink-soft); margin: 0 0 1em; }
.returns__item p:last-child { margin-bottom: 0; }
.returns__link a {
  font-weight: 700;
  color: var(--c-flame);
  text-decoration: none;
}
.returns__link a:hover { text-decoration: underline; }

.supporter-note {
  margin: 12px 0 0;
  font-size: .82rem;
  color: var(--ink-soft);
}
.supporter-note .tag { margin-right: 6px; }

.plan__list small { color: var(--ink-faint); }
.sponsor-apply__info a { color: var(--c-flame); font-weight: 700; text-decoration: none; }
.sponsor-apply__info a:hover { text-decoration: underline; }