/* Club Visionary 公式サイト 共通スタイル（2026-10-12）
   配色: 白 × 青（1F5FAD／5BB4E5）を基調に、日の丸の赤をアクセントで使う */

:root {
  --navy: #0d2747;
  --blue: #1f5fad;
  --sky: #5bb4e5;
  --sky-pale: #eaf5fc;
  --sky-mist: #f5fafe;
  --red: #bc002d;
  --ink: #16263a;
  --ink-soft: #4a5a6e;
  --line: #d4e4f1;
  --white: #ffffff;
  --radius: 18px;
  --shadow: 0 10px 30px rgba(13, 39, 71, .10);
  --mincho: "Shippori Mincho B1", "Shippori Mincho", "Yu Mincho", serif;
  --gothic: "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", sans-serif;
  --header-h: 68px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }
body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--gothic);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: .03em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--blue); }
h1, h2, h3 { font-family: var(--mincho); font-weight: 800; line-height: 1.4; margin: 0; letter-spacing: .04em; }
p { margin: 0 0 1em; }

.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }
.narrow { width: min(820px, 100% - 32px); margin-inline: auto; }

/* ───────── ヘッダー ───────── */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  height: var(--header-h);
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { height: 100%; display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--navy); flex-shrink: 0; }
.brand-sun { width: 26px; height: 26px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 4px #fff, 0 0 0 5px var(--line); }
.brand-name { font-family: var(--mincho); font-weight: 800; font-size: 20px; letter-spacing: .06em; line-height: 1.1; }
.brand-name small { display: block; font-family: var(--gothic); font-weight: 700; font-size: 10px; letter-spacing: .2em; color: var(--sky); }

.gnav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.gnav a {
  text-decoration: none; color: var(--navy); font-weight: 700; font-size: 14px;
  padding: 8px 14px; border-radius: 999px; transition: background .2s, color .2s;
}
.gnav a:hover { background: var(--sky-pale); }
.gnav a[aria-current="page"] { background: var(--blue); color: #fff; }
.gnav .login {
  margin-left: 8px; border: 2px solid var(--navy); padding: 6px 16px;
  display: inline-flex; align-items: center; gap: 6px;
}
.gnav .login:hover { background: var(--navy); color: #fff; }
.gnav .login svg { width: 15px; height: 15px; }

/* スマホのメニューボタン：日の丸の旗 */
.flag-btn {
  display: none; margin-left: auto;
  width: 54px; height: 40px; border: 2px solid var(--navy); border-radius: 6px;
  background: #fff; position: relative; cursor: pointer; padding: 0;
}
.flag-btn::before {
  content: ""; position: absolute; left: 50%; top: 50%; width: 18px; height: 18px;
  margin: -9px 0 0 -9px; border-radius: 50%; background: var(--red); transition: transform .3s;
}
.flag-btn[aria-expanded="true"]::before { transform: scale(1.35); }
.flag-btn span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

@media (max-width: 900px) {
  .flag-btn { display: block; }
  .gnav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 4px solid var(--red);
    padding: 8px 16px 20px; box-shadow: var(--shadow);
    opacity: 0; visibility: hidden; transform: translateY(-10px);
    transition: opacity .25s ease, transform .25s ease, visibility 0s linear .25s;
  }
  .gnav.open { opacity: 1; visibility: visible; transform: none; transition: opacity .25s ease, transform .25s ease; }
  .gnav a { border-radius: 10px; padding: 14px 12px; font-size: 16px; border-bottom: 1px solid var(--line); }
  .gnav a[aria-current="page"] { background: var(--sky-pale); color: var(--blue); }
  .gnav .login { margin: 14px 0 0; justify-content: center; border-radius: 999px; }
}

main { padding-top: var(--header-h); }

/* ───────── 共通パーツ ───────── */
.section { padding: 96px 0; position: relative; }
.section.tint { background: var(--sky-mist); }
.section.sky { background: linear-gradient(180deg, var(--sky-pale), #fff); }
.section.navy { background: var(--navy); color: #fff; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--gothic); font-weight: 700; font-size: 12px; letter-spacing: .3em;
  color: var(--sky); text-transform: uppercase; margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 12px; height: 12px; border-radius: 50%; background: var(--red); }
.sec-title { font-size: clamp(26px, 4.2vw, 40px); color: var(--navy); margin-bottom: 20px; }
.navy .sec-title { color: #fff; }
.lead { font-size: 17px; color: var(--ink-soft); max-width: 46em; }
.navy .lead { color: #c9dcef; }
.center { text-align: center; }
.center .lead { margin-inline: auto; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-weight: 700; font-size: 16px; text-decoration: none; letter-spacing: .06em;
  padding: 16px 34px; border-radius: 999px; border: 2px solid transparent;
  transition: transform .15s, box-shadow .2s, background .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-red { background: var(--red); color: #fff; box-shadow: 0 8px 22px rgba(188, 0, 45, .28); }
.btn-blue { background: var(--blue); color: #fff; box-shadow: 0 8px 22px rgba(31, 95, 173, .25); }
.btn-ghost { border-color: currentColor; color: var(--navy); background: transparent; }
.navy .btn-ghost, .hero .btn-ghost, .page-hero .btn-ghost { color: #fff; }
.btn .arrow { transition: transform .2s; }
.btn:hover .arrow { transform: translateX(4px); }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.center .btn-row { justify-content: center; }

/* 額縁（参考サイトの「枠」の考え方を、和の二重線で） */
.frame {
  background: #fff; border-radius: var(--radius); padding: 36px;
  border: 2px solid var(--navy);
  box-shadow: 0 0 0 6px #fff, 0 0 0 8px var(--sky), var(--shadow);
}

.grid { display: grid; gap: 22px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .g3, .g4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .g2, .g3, .g4 { grid-template-columns: 1fr; } .section { padding: 72px 0; } .frame { padding: 24px 20px; } }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: 0 4px 16px rgba(13, 39, 71, .05);
}
.card h3 { font-size: 20px; color: var(--navy); margin-bottom: 10px; }
.card p { color: var(--ink-soft); font-size: 15px; margin: 0; }
.num {
  font-family: var(--mincho); font-weight: 800; font-size: 15px; color: #fff;
  width: 40px; height: 40px; border-radius: 50%; background: var(--blue);
  display: grid; place-items: center; margin-bottom: 16px;
}
.num.red { background: var(--red); }

.note { font-size: 13px; color: var(--ink-soft); line-height: 1.7; }
.tag {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .1em;
  padding: 3px 12px; border-radius: 999px; background: var(--sky-pale); color: var(--blue);
}
.tag.red { background: #fde8ec; color: var(--red); }

/* 出てくる動き */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ───────── ヒーロー ───────── */
.hero {
  position: relative; min-height: calc(100svh - var(--header-h)); display: grid; align-items: center;
  color: #fff; overflow: hidden; isolation: isolate;
}
.hero-bg { position: absolute; inset: 0; z-index: -3; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -2;
  background: linear-gradient(100deg, rgba(13, 39, 71, .92) 0%, rgba(31, 95, 173, .78) 45%, rgba(91, 180, 229, .35) 100%);
}
.hero-sun {
  position: absolute; z-index: -1; right: -12vw; top: 50%; translate: 0 -50%;
  width: min(40vw, 500px); aspect-ratio: 1; border-radius: 50%; background: var(--red);
  opacity: .92; box-shadow: 0 0 120px rgba(188, 0, 45, .45);
  animation: rise 1.6s cubic-bezier(.2, .8, .2, 1) both;
}
@keyframes rise { from { translate: 0 -30%; opacity: 0; } to { translate: 0 -50%; opacity: .92; } }
.hero .wrap { padding: 80px 0; }
.hero-kicker { font-weight: 700; letter-spacing: .3em; font-size: 13px; color: var(--sky); margin-bottom: 18px; }
.hero h1 { font-size: clamp(38px, 7.4vw, 88px); line-height: 1.25; text-shadow: 0 4px 30px rgba(0, 0, 0, .25); }
.hero h1 em { font-style: normal; color: #fff; background: linear-gradient(transparent 70%, rgba(188, 0, 45, .85) 70%); }
.hero-sub { font-size: clamp(16px, 2vw, 19px); margin-top: 26px; max-width: 34em; color: #e6f1fb; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.hero-badges span { border: 1px solid rgba(255, 255, 255, .5); border-radius: 999px; padding: 4px 14px; font-size: 13px; font-weight: 700; }
@media (max-width: 600px) { .hero-sun { width: 70vw; right: -24vw; top: 26%; opacity: .8; } }

/* ページ見出し（下層ページ） */
.page-hero {
  position: relative; padding: 110px 0 80px; color: #fff; overflow: hidden; isolation: isolate;
  background: linear-gradient(120deg, var(--navy), var(--blue) 60%, var(--sky));
}
.page-hero::before {
  content: ""; position: absolute; z-index: -1; width: 380px; aspect-ratio: 1; border-radius: 50%;
  background: var(--red); right: -90px; top: -120px; opacity: .9;
}
.page-hero h1 { font-size: clamp(32px, 5.6vw, 56px); }
.page-hero p { color: #dcebf8; margin-top: 16px; max-width: 40em; }

/* 理念のブロック */
.creed { display: grid; grid-template-columns: 220px 1fr; gap: 0; border-top: 1px solid var(--line); }
.creed > div { padding: 26px 0; border-bottom: 1px solid var(--line); }
.creed dt, .creed .k { font-weight: 700; color: var(--sky); letter-spacing: .2em; font-size: 13px; padding-top: 6px; }
.creed .v { font-family: var(--mincho); font-weight: 800; font-size: clamp(20px, 2.8vw, 28px); color: var(--navy); line-height: 1.5; }
.creed .v small { display: block; font-family: var(--gothic); font-weight: 400; font-size: 15px; color: var(--ink-soft); margin-top: 8px; line-height: 1.8; }
@media (max-width: 600px) { .creed { grid-template-columns: 1fr; } .creed .k { border-bottom: 0; padding-bottom: 0; } }

/* 再接続の図 */
.reconnect { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 30px; }
.reconnect div {
  text-align: center; padding: 26px 12px; border-radius: var(--radius); background: #fff; border: 2px solid var(--sky);
  font-family: var(--mincho); font-weight: 800; font-size: 20px; color: var(--navy);
}
.reconnect div b { color: var(--red); margin: 0 .2em; }
@media (max-width: 600px) { .reconnect { grid-template-columns: 1fr; } }

/* 年表 */
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); position: relative; margin-top: 40px; }
.timeline::before { content: ""; position: absolute; left: 0; right: 0; top: 23px; height: 3px; background: linear-gradient(90deg, var(--sky), var(--blue)); }
.tl { position: relative; padding: 0 12px; text-align: center; }
.tl .dot { width: 48px; height: 48px; border-radius: 50%; background: #fff; border: 3px solid var(--blue); margin: 0 auto 16px; position: relative; }
.tl:last-child .dot { background: var(--red); border-color: var(--red); }
.tl .yr { font-family: var(--mincho); font-weight: 800; font-size: 28px; color: var(--navy); }
.tl .what { font-size: 15px; color: var(--ink-soft); }
.tl .big { font-weight: 700; color: var(--blue); font-size: 18px; }
@media (max-width: 700px) {
  .timeline { grid-template-columns: 1fr; gap: 22px; }
  .timeline::before { left: 23px; right: auto; width: 3px; height: 100%; top: 0; }
  .tl { display: grid; grid-template-columns: 48px 1fr; gap: 16px; text-align: left; padding: 0; align-items: center; }
  .tl .dot { margin: 0; }
}

/* 写真 */
.photo { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: var(--sky-pale); }
.photo img { width: 100%; height: 100%; object-fit: cover; }
.photo figcaption { font-size: 13px; color: var(--ink-soft); padding: 10px 14px; background: #fff; }
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.split.rev > :first-child { order: 2; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 32px; } .split.rev > :first-child { order: 0; } }

.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.gallery .photo { aspect-ratio: 4 / 3; }
@media (max-width: 900px) { .gallery { grid-template-columns: repeat(2, 1fr); } }

/* 数字 */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.stat { text-align: center; padding: 26px 10px; border-radius: var(--radius); background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .2); }
.stat b { display: block; font-family: var(--mincho); font-size: clamp(30px, 4.6vw, 48px); line-height: 1.2; }
.stat b .u { font-size: .45em; margin-left: 4px; }
.stat span { font-size: 13px; color: #c9dcef; }
@media (max-width: 700px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* 手順 */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: s; }
.step { background: #fff; border-radius: var(--radius); padding: 24px 20px; border-top: 5px solid var(--blue); box-shadow: 0 4px 16px rgba(13, 39, 71, .06); }
.step::before { counter-increment: s; content: "STEP " counter(s); display: block; font-weight: 700; font-size: 12px; letter-spacing: .2em; color: var(--sky); margin-bottom: 6px; }
.step h3 { font-size: 18px; color: var(--navy); margin-bottom: 6px; }
.step p { font-size: 14px; color: var(--ink-soft); margin: 0; }
.step:last-child { border-top-color: var(--red); }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .steps { grid-template-columns: 1fr; } }

/* CTA 帯 */
.cta-band { position: relative; overflow: hidden; isolation: isolate; text-align: center; color: #fff; padding: 100px 0; background: var(--blue); }
.cta-band::before { content: ""; position: absolute; z-index: -1; left: 50%; top: 50%; width: 520px; aspect-ratio: 1; translate: -50% -50%; border-radius: 50%; background: var(--red); opacity: .95; }
.cta-band h2 { font-size: clamp(28px, 5vw, 48px); }
.cta-band p { color: #fff; margin-top: 14px; }
.cta-band .btn-row { justify-content: center; }
.cta-band .btn-white { background: #fff; color: var(--red); }

/* フッター */
.site-footer { background: var(--navy); color: #c9dcef; padding: 56px 0 30px; font-size: 14px; }
.site-footer .cols { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 32px; }
.site-footer a { color: #fff; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.site-footer .brand { color: #fff; margin-bottom: 14px; }
.site-footer .copy { border-top: 1px solid rgba(255, 255, 255, .15); margin-top: 36px; padding-top: 20px; font-size: 12px; }
@media (max-width: 700px) { .site-footer .cols { grid-template-columns: 1fr; } }

/* ───────── フォーラム（LP） ───────── */
.date-big { font-family: var(--mincho); font-weight: 800; line-height: 1; letter-spacing: .02em; font-size: clamp(56px, 13vw, 150px); }
.date-big .dow { display: inline-grid; place-items: center; font-size: .3em; width: 1.6em; height: 1.6em; border-radius: 50%; background: var(--red); color: #fff; vertical-align: middle; margin-left: .4em; line-height: 1; }
.countdown { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }
.countdown div { background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .3); border-radius: 14px; padding: 10px 18px; text-align: center; min-width: 86px; }
.countdown b { display: block; font-family: var(--mincho); font-size: 32px; line-height: 1.2; }
@media (max-width: 500px) { .countdown { gap: 8px; flex-wrap: nowrap; } .countdown div { min-width: 0; flex: 1; padding: 8px 4px; } .countdown b { font-size: 24px; } .countdown span { font-size: 10px; letter-spacing: .05em; } }
.countdown span { font-size: 12px; letter-spacing: .15em; }

.kyoso { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 26px; }
.kyoso > div { border-radius: 50%; aspect-ratio: 1; display: grid; place-items: center; text-align: center; background: #fff; border: 3px solid var(--sky); padding: 12px; max-width: 260px; width: 100%; margin-inline: auto; }
.kyoso > div:nth-child(2) { border-color: var(--red); }
.kyoso b { display: block; font-family: var(--mincho); font-size: clamp(28px, 5vw, 46px); color: var(--navy); line-height: 1.1; }
.kyoso span { font-size: 14px; color: var(--ink-soft); }

.program { list-style: none; padding: 0; margin: 0; border-left: 3px solid var(--sky); }
.program li { display: grid; grid-template-columns: 76px 1fr; gap: 14px; padding: 12px 0 12px 22px; position: relative; }
.program li::before { content: ""; position: absolute; left: -9px; top: 22px; width: 15px; height: 15px; border-radius: 50%; background: #fff; border: 3px solid var(--blue); }
.program time { font-family: var(--mincho); font-weight: 800; color: var(--blue); font-size: 18px; }

.fee { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.fee .card { text-align: center; }
.fee .price { font-family: var(--mincho); font-weight: 800; font-size: 38px; color: var(--navy); line-height: 1.3; margin: 8px 0; }
.fee .price small { font-size: 16px; }
@media (max-width: 700px) { .fee, .kyoso { grid-template-columns: 1fr; } .kyoso > div { max-width: 220px; } }

/* ───────── 運営メンバー ───────── */
.leader { display: grid; grid-template-columns: 320px 1fr; gap: 48px; align-items: start; }
.leader .photo { aspect-ratio: 1; }
.leader .role { font-size: 14px; color: var(--sky); font-weight: 700; letter-spacing: .1em; }
.leader h2 { font-size: 34px; color: var(--navy); margin: 6px 0 18px; }
.leader h2 small { font-family: var(--gothic); font-size: 14px; color: var(--ink-soft); font-weight: 400; margin-left: 10px; letter-spacing: .1em; }
@media (max-width: 800px) { .leader { grid-template-columns: 1fr; } .leader .photo { max-width: 320px; } }

.member { text-align: center; }
.member .face {
  width: 112px; height: 112px; border-radius: 50%; margin: 0 auto 16px; display: grid; place-items: center;
  font-family: var(--mincho); font-weight: 800; font-size: 40px; color: #fff; background: linear-gradient(135deg, var(--blue), var(--sky));
  border: 4px solid #fff; box-shadow: 0 0 0 3px var(--sky);
}
.member h3 { font-size: 22px; color: var(--navy); }
.member .r { font-size: 14px; color: var(--blue); font-weight: 700; }

.guest { display: grid; grid-template-columns: 1fr; gap: 0; }
.guest .photo { aspect-ratio: 4 / 3; border-radius: var(--radius) var(--radius) 0 0; box-shadow: none; }
.guest .body { padding: 18px 20px 22px; background: #fff; border: 1px solid var(--line); border-top: 0; border-radius: 0 0 var(--radius) var(--radius); }
.guest .catch { font-size: 13px; font-weight: 700; color: var(--red); }
.guest h3 { font-size: 20px; color: var(--navy); }
.guest .co { font-size: 13px; color: var(--ink-soft); }

/* ───────── スポンサー ───────── */
.plans { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 14px; min-width: 760px; }
.plans th, .plans td { padding: 12px 10px; text-align: center; border-bottom: 1px solid var(--line); }
.plans thead th { background: var(--navy); color: #fff; font-weight: 700; }
.plans thead th:first-child { border-radius: 12px 0 0 0; text-align: left; }
.plans thead th:last-child { border-radius: 0 12px 0 0; }
.plans thead th b { display: block; font-family: var(--mincho); font-size: 18px; }
.plans tbody th { text-align: left; font-weight: 700; color: var(--navy); background: var(--sky-mist); }
.plans .on { color: var(--blue); font-size: 18px; }
.plans .off { color: #b5c2cf; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: 12px; }

.logo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 18px; }
.sp-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; display: flex; flex-direction: column; gap: 12px; }
.sp-logo { height: 84px; display: grid; place-items: center; background: var(--sky-mist); border-radius: 12px; padding: 10px; }
.sp-logo img { max-height: 64px; max-width: 80%; object-fit: contain; }
.sp-logo .ph { font-family: var(--mincho); font-weight: 800; color: var(--navy); font-size: 18px; text-align: center; }
.sp-card h3 { font-size: 17px; color: var(--navy); font-family: var(--gothic); font-weight: 700; }
.sp-card p { font-size: 14px; color: var(--ink-soft); margin: 0; line-height: 1.75; }
.sp-card a { font-size: 13px; }

.all-sponsors { margin-top: 28px; border: 2px solid var(--navy); border-radius: var(--radius); background: #fff; }
.all-sponsors summary {
  list-style: none; cursor: pointer; padding: 18px 24px; font-weight: 700; color: var(--navy);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.all-sponsors summary::-webkit-details-marker { display: none; }
.all-sponsors summary::after { content: "＋"; font-size: 22px; color: var(--red); transition: transform .3s; }
.all-sponsors[open] summary::after { transform: rotate(45deg); }
.all-sponsors .inner { padding: 0 24px 24px; }
.plan-group h4 { font-family: var(--mincho); font-size: 18px; color: var(--navy); margin: 22px 0 12px; display: flex; align-items: center; gap: 10px; }
.plan-group h4::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--red); }
.mini-logos { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.mini-logos div { height: 72px; border: 1px solid var(--line); border-radius: 10px; display: grid; place-items: center; padding: 8px; text-align: center; font-size: 13px; font-weight: 700; color: var(--navy); background: #fff; }
.mini-logos img { max-height: 52px; max-width: 90%; object-fit: contain; }
.name-list { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 14px; color: var(--navy); }

.empty { text-align: center; padding: 40px 20px; border: 2px dashed var(--sky); border-radius: var(--radius); background: var(--sky-mist); color: var(--ink-soft); }
.empty b { display: block; font-family: var(--mincho); font-size: 22px; color: var(--navy); margin-bottom: 6px; }

.merits { counter-reset: m; }
.merits .card { position: relative; padding-top: 34px; }
.merits .card::before { counter-increment: m; content: counter(m, decimal-leading-zero); position: absolute; top: -18px; left: 24px; font-family: var(--mincho); font-weight: 800; font-size: 30px; color: var(--red); background: #fff; padding: 0 8px; }

/* ───────── 説明会の申し込みフォーム ───────── */
.form fieldset { border: 0; padding: 0; margin: 0 0 22px; }
.form legend, .form .field label { font-weight: 700; color: var(--navy); margin-bottom: 8px; display: block; }
.form .req { display: inline-block; font-size: 11px; color: #fff; background: var(--red); border-radius: 4px; padding: 0 6px; margin-left: 6px; vertical-align: 2px; }
.form .field { margin-bottom: 18px; }
.form input[type=text], .form input[type=email], .form select, .form textarea {
  width: 100%; font: inherit; font-size: 16px; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink);
}
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(31, 95, 173, .15); }
.form small { display: block; font-size: 13px; color: var(--ink-soft); margin-top: 4px; }
.form .invalid, .form .invalid input { border-color: var(--red) !important; background: #fff5f7; }
.session-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; border-radius: 12px; }
.session-list.invalid { outline: 2px solid var(--red); outline-offset: 4px; }
.session { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 10px; cursor: pointer; background: #fff; font-weight: 700; color: var(--navy); }
.session:has(input:checked) { border-color: var(--blue); background: var(--sky-pale); }
.session input { accent-color: var(--red); width: 18px; height: 18px; }
.agree { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; margin: 8px 0 20px; padding: 10px; border-radius: 10px; }
.agree input { margin-top: 5px; accent-color: var(--red); width: 18px; height: 18px; flex-shrink: 0; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-error { color: var(--red); font-weight: 700; text-align: center; }
.btn[disabled] { opacity: .6; pointer-events: none; }

.qa { display: grid; gap: 14px; }
.qa div { background: #fff; border-radius: var(--radius); padding: 22px 26px; border-left: 5px solid var(--red); }
.qa b { display: block; font-family: var(--mincho); font-size: 20px; color: var(--navy); margin-bottom: 4px; }