@charset "UTF-8";
/* =========================================================
   NICO DANCE STUDIO - 共通スタイル
   スマホ最優先（モバイルファースト）で書いています。
   色を変えたいときは、下の :root の値だけ書き換えればOKです。
   ========================================================= */

:root {
  --cream: #fff9f2;
  --cream-deep: #ffeede;
  --ink: #3e332b;
  --ink-soft: #6d6058;
  --coral: #f26e7e;
  --coral-deep: #d9556a;
  --mint: #6fc9ba;
  --sun: #ffc65a;
  --white: #ffffff;
  --line: #f0e3d6;

  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 6px 24px rgba(180, 130, 110, 0.12);
  --shadow-soft: 0 2px 10px rgba(180, 130, 110, 0.08);

  --wrap: 1080px;
  --header-h: 60px;
}

/* ---------- リセット ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Hiragino Sans",
    "Yu Gothic Medium", "Meiryo", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--coral-deep); }
h1, h2, h3, h4 { line-height: 1.5; margin: 0; font-weight: 700; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.3em; }

/* ---------- レイアウト ---------- */
.wrap {
  width: min(100% - 32px, var(--wrap));
  margin-inline: auto;
}

section { padding: 48px 0; }
section.tight { padding: 32px 0; }

.sec-head { text-align: center; margin-bottom: 28px; }
.sec-head .en {
  display: block;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--coral);
  font-weight: 700;
  margin-bottom: 4px;
}
.sec-head h2 { font-size: 22px; }
.sec-head p { margin-top: 8px; font-size: 14px; color: var(--ink-soft); }

/* ---------- ヘッダー ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 249, 242, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--ink);
}
.logo .mark {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--coral), var(--sun));
  display: grid; place-items: center;
  color: #fff; font-size: 15px; font-weight: 700;
  flex: none;
}
.logo .txt { font-size: 15px; font-weight: 700; letter-spacing: 0.04em; }
.logo .txt small { display: block; font-size: 10px; color: var(--ink-soft); font-weight: 400; letter-spacing: 0.06em; }

.nav-toggle {
  width: 44px; height: 44px;
  border: 0; background: transparent;
  display: grid; place-items: center;
  cursor: pointer; padding: 0;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--ink); border-radius: 2px;
  position: relative; transition: transform .25s, background .25s;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: ""; position: absolute; left: 0;
  width: 22px; height: 2px; background: var(--ink); border-radius: 2px;
  transition: transform .25s, top .25s;
}
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { top: 0; transform: rotate(-45deg); }

.site-nav {
  position: fixed;
  inset: var(--header-h) 0 auto 0;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow);
  transform: translateY(-120%);
  transition: transform .28s ease;
  max-height: calc(100dvh - var(--header-h));
  overflow-y: auto;
}
.site-nav.open { transform: translateY(0); }
.site-nav ul { list-style: none; margin: 0; padding: 8px 16px 20px; }
.site-nav li { border-bottom: 1px dashed var(--line); }
.site-nav li:last-child { border-bottom: 0; }
.site-nav a {
  display: block; padding: 14px 4px;
  text-decoration: none; color: var(--ink); font-weight: 700; font-size: 15px;
}
.site-nav a[aria-current="page"] { color: var(--coral-deep); }
.site-nav .nav-cta {
  margin-top: 14px; text-align: center;
  background: var(--coral); color: #fff; border-radius: 999px; padding: 13px;
}

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 15px 24px;
  border-radius: 999px;
  font-weight: 700; font-size: 15px;
  text-decoration: none;
  border: 2px solid transparent;
  transition: transform .15s, box-shadow .15s, background .15s;
  min-height: 52px;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--coral); color: #fff; box-shadow: 0 4px 0 var(--coral-deep); }
.btn-ig {
  color: #fff;
  background: linear-gradient(45deg, #f9ce34 0%, #ee2a7b 45%, #6228d7 100%);
  box-shadow: 0 4px 0 rgba(120, 30, 100, .35);
}
.btn-ghost { background: var(--white); color: var(--ink); border-color: var(--line); box-shadow: var(--shadow-soft); }
.btn-block { display: flex; width: 100%; }
.btn-lg { font-size: 16px; padding: 18px 24px; min-height: 60px; }

/* ---------- ヒーロー ---------- */
.hero {
  position: relative;
  padding: 28px 0 40px;
  background:
    radial-gradient(120% 80% at 80% 0%, #ffe9d6 0%, rgba(255,233,214,0) 60%),
    radial-gradient(100% 70% at 0% 20%, #ffe1e6 0%, rgba(255,225,230,0) 60%);
}
.hero-badge {
  display: inline-block;
  background: var(--white);
  border: 2px solid var(--coral);
  color: var(--coral-deep);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 12px; font-weight: 700;
  margin-bottom: 14px;
}
.hero h1 { font-size: 26px; letter-spacing: 0.01em; }
.hero h1 .accent { color: var(--coral-deep); }
.hero .lead { margin-top: 14px; font-size: 15px; color: var(--ink-soft); }
.hero-figure { margin: 22px 0 24px; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.hero-cta { display: grid; gap: 10px; }
.hero-points { display: flex; gap: 8px; margin-top: 18px; flex-wrap: wrap; }
.hero-points li {
  list-style: none;
  background: var(--white); border-radius: 999px; padding: 6px 14px;
  font-size: 12.5px; font-weight: 700; box-shadow: var(--shadow-soft);
}
.hero-points { padding-left: 0; }

/* ---------- カード ---------- */
.cards { display: grid; gap: 16px; }
.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-soft);
}
.card h3 { font-size: 17px; margin-bottom: 8px; }
.card p:last-child { margin-bottom: 0; }
.card .icon {
  width: 46px; height: 46px; border-radius: 14px;
  display: grid; place-items: center; font-size: 22px;
  background: var(--cream-deep); margin-bottom: 12px;
}

/* 教室選択カード */
.place-card {
  display: block; text-decoration: none; color: inherit;
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow-soft); overflow: hidden;
  border: 2px solid transparent; transition: border-color .2s;
}
.place-card:hover { border-color: var(--coral); }
.place-card .body { padding: 20px; }
.place-card .tag {
  display: inline-block; font-size: 11px; font-weight: 700;
  background: var(--cream-deep); color: var(--ink-soft);
  border-radius: 999px; padding: 3px 10px; margin-bottom: 8px;
}
.place-card h3 { font-size: 19px; margin-bottom: 6px; }
.place-card .more { color: var(--coral-deep); font-weight: 700; font-size: 14px; }

/* ---------- 強調ボックス ---------- */
.notice-box {
  background: var(--white);
  border: 2px dashed var(--coral);
  border-radius: var(--radius);
  padding: 20px;
}
.notice-box.mint { border-color: var(--mint); }
.notice-box h3 { font-size: 17px; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }

/* ---------- テーブル（スケジュール・料金） ---------- */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.data {
  width: 100%; border-collapse: collapse;
  background: var(--white); border-radius: var(--radius-sm); overflow: hidden;
  font-size: 14px; min-width: 460px;
}
table.data th, table.data td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
table.data thead th { background: var(--cream-deep); font-size: 13px; white-space: nowrap; }
table.data tbody tr:last-child th, table.data tbody tr:last-child td { border-bottom: 0; }
table.data .cls { font-weight: 700; }
table.data .age { display: block; font-size: 12px; color: var(--ink-soft); font-weight: 400; }

/* スマホ向けカード型スケジュール */
.slot-list { display: grid; gap: 12px; padding: 0; margin: 0; list-style: none; }
.slot {
  background: var(--white); border-radius: var(--radius-sm);
  padding: 16px; box-shadow: var(--shadow-soft);
  display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; align-items: baseline;
}
.slot .day {
  grid-row: 1 / span 2;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--coral); color: #fff;
  display: grid; place-items: center; font-weight: 700; font-size: 16px;
  align-self: center;
}
.slot .name { font-weight: 700; font-size: 16px; }
.slot .meta { font-size: 13px; color: var(--ink-soft); }

/* ---------- 世田谷：今月の会場と日程 ---------- */
.sess-list { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 12px; }
.sess {
  background: var(--cream); border-radius: var(--radius-sm);
  padding: 14px 16px; border-left: 5px solid var(--coral);
}
.sess.off { opacity: .72; border-left-color: #cfc4b8; }
.sess-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 6px; }
.sess-date { font-weight: 700; font-size: 16px; }
.sess-venue { font-weight: 700; font-size: 15px; }
.sess-time { font-size: 14px; color: var(--ink-soft); }
.sess-map { display: inline-block; margin-top: 4px; font-size: 12.5px; }

/* ---------- 料金 ---------- */
.price-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.price-row {
  background: var(--white); border-radius: var(--radius-sm);
  box-shadow: var(--shadow-soft);
  padding: 14px 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
}
.price-item { display: grid; gap: 2px; min-width: 0; }
.price-name { font-weight: 700; font-size: 15px; }
.price-detail { font-size: 12.5px; color: var(--ink-soft); line-height: 1.6; }
.price-value {
  flex: none; font-weight: 700; font-size: 18px; color: var(--coral-deep);
  white-space: nowrap;
}

/* ---------- 特徴ブロック（Features） ---------- */
.feature-block { margin-bottom: 30px; }
.feature-block:last-child { margin-bottom: 0; }
.f-badge {
  display: inline-block; border-radius: 999px; padding: 4px 16px;
  font-size: 12px; font-weight: 700; letter-spacing: .08em;
  color: #fff; margin-bottom: 10px;
}
.feature-block h3 { font-size: 20px; line-height: 1.5; margin-bottom: 8px; }
.feature-block p { font-size: 14.5px; color: var(--ink-soft); margin: 0; }
.f-coral .f-badge { background: var(--coral); }
.f-coral h3 { color: var(--coral-deep); }
.f-mint .f-badge { background: var(--mint); }
.f-mint h3 { color: #0e7c6b; }
.f-sun .f-badge { background: var(--sun); color: #6b4b0d; }
.f-sun h3 { color: #c07f16; }
@media (min-width: 700px) {
  .feature-block h3 { font-size: 23px; }
  .feature-block { margin-bottom: 38px; }
}

/* ---------- はじめやすさパネル ---------- */
.start-panel { display: grid; gap: 20px; }
.start-list { list-style: none; padding: 0; margin: 0 0 12px; display: grid; gap: 10px; }
.start-list li {
  background: var(--cream); border-radius: var(--radius-sm);
  padding: 12px 16px; font-size: 14.5px;
  display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap;
}
.start-list b { flex: none; font-size: 13px; color: var(--ink-soft); min-width: 88px; }
.start-list .big { font-size: 20px; font-weight: 700; color: var(--coral-deep); }
@media (min-width: 700px) {
  .start-panel { grid-template-columns: 1fr 1.1fr; align-items: center; gap: 32px; }
}

/* ---------- ステージ出演 ---------- */
.stage-next-name { font-size: 20px; font-weight: 700; margin: 4px 0 2px; }
.stage-next-meta { font-size: 14.5px; color: var(--ink-soft); margin-bottom: 10px; }
.stage-card { padding: 20px; }
.stage-card .tag {
  display: inline-block; font-size: 11px; font-weight: 700;
  background: var(--cream-deep); color: var(--ink-soft);
  border-radius: 999px; padding: 3px 10px; margin-bottom: 8px;
}
.stage-card h3 { margin-bottom: 6px; }
.stage-steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; counter-reset: step; }
.stage-steps li {
  background: var(--white); border-radius: var(--radius-sm); box-shadow: var(--shadow-soft);
  padding: 16px 18px 16px 56px; position: relative; font-size: 14.5px;
}
.stage-steps li::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: 14px; top: 16px;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--coral); color: #fff; font-weight: 700;
  display: grid; place-items: center; font-size: 15px;
}
.stage-steps li b { display: block; font-size: 15px; }
@media (min-width: 700px) {
  .stage-steps { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- お知らせ ---------- */
.news-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.news-item {
  background: var(--white); border-radius: var(--radius-sm);
  padding: 16px 18px; box-shadow: var(--shadow-soft);
}
.news-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 6px; }
.news-date { font-size: 12.5px; color: var(--ink-soft); letter-spacing: .04em; }
.news-cat {
  font-size: 11px; font-weight: 700; border-radius: 999px; padding: 2px 10px;
  background: var(--cream-deep); color: var(--ink-soft);
}
.news-cat.important { background: var(--coral); color: #fff; }
.news-cat.event { background: var(--sun); color: #6b4b0d; }
.news-cat.class { background: var(--mint); color: #08443b; }
.news-title { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.news-body { font-size: 14.5px; color: var(--ink-soft); }
.news-body :last-child { margin-bottom: 0; }
.news-empty { color: var(--ink-soft); font-size: 14px; }

/* ---------- 講師 ---------- */
.profile { display: grid; gap: 20px; }
.profile-photo { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.history { list-style: none; padding: 0; margin: 0; }
.history li {
  padding: 12px 0 12px 22px; border-bottom: 1px dashed var(--line);
  position: relative; font-size: 14.5px;
}
.history li::before {
  content: ""; position: absolute; left: 2px; top: 21px;
  width: 8px; height: 8px; border-radius: 50%; background: var(--coral);
}

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 10px; }
.faq details {
  background: var(--white); border-radius: var(--radius-sm);
  box-shadow: var(--shadow-soft); overflow: hidden;
}
.faq summary {
  cursor: pointer; padding: 16px 18px; font-weight: 700; font-size: 15px;
  list-style: none; display: flex; gap: 10px; align-items: flex-start;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "Q"; color: var(--coral); font-weight: 700; flex: none; }
.faq .a { padding: 0 18px 16px 40px; font-size: 14.5px; color: var(--ink-soft); }

/* ---------- 体験予約CTA ---------- */
.cta-band {
  background: linear-gradient(135deg, #ffe6ea, #fff1dd);
  border-radius: var(--radius);
  padding: 26px 20px;
  text-align: center;
}
.cta-band h2 { font-size: 20px; margin-bottom: 8px; }
.cta-band p { font-size: 14px; color: var(--ink-soft); }
.cta-buttons { display: grid; gap: 12px; margin-top: 18px; }
.cta-note { font-size: 12.5px; color: var(--ink-soft); margin-top: 14px; }

/* ---------- パンくず ---------- */
.breadcrumb { font-size: 12px; color: var(--ink-soft); padding: 12px 0 0; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0; }
.breadcrumb li::after { content: "›"; margin-left: 6px; color: var(--line); }
.breadcrumb li:last-child::after { content: ""; }
.breadcrumb a { color: var(--ink-soft); }

/* ---------- ページ見出し ---------- */
.page-head { padding: 22px 0 8px; }
.page-head .en { font-size: 11px; letter-spacing: .18em; color: var(--coral); font-weight: 700; }
.page-head h1 { font-size: 24px; margin-top: 4px; }
.page-head p { margin-top: 10px; font-size: 14.5px; color: var(--ink-soft); }

/* ---------- フッター ---------- */
.site-footer {
  background: var(--white);
  border-top: 1px solid var(--line);
  padding: 32px 0 96px;
  margin-top: 20px;
  font-size: 14px;
}
.footer-nav { list-style: none; padding: 0; margin: 0 0 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.footer-nav a { text-decoration: none; color: var(--ink); }
.footer-info { color: var(--ink-soft); font-size: 13px; }
.copyright { margin-top: 18px; font-size: 11.5px; color: var(--ink-soft); }

/* ---------- スマホ固定フッターCTA ---------- */
.sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--line);
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
}
.sticky-cta .btn { min-height: 48px; padding: 12px 10px; font-size: 14px; box-shadow: none; }

/* ---------- ユーティリティ ---------- */
.center { text-align: center; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.small { font-size: 13px; color: var(--ink-soft); }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}
.bg-white { background: var(--white); }
.bg-cream-deep { background: var(--cream-deep); }

/* =========================================================
   タブレット以上
   ========================================================= */
@media (min-width: 700px) {
  :root { --header-h: 72px; }
  body { font-size: 16.5px; }
  section { padding: 64px 0; }
  .hero { padding: 44px 0 56px; }
  .hero h1 { font-size: 36px; }
  .hero .lead { font-size: 16.5px; }
  .sec-head h2 { font-size: 27px; }
  .page-head h1 { font-size: 30px; }
  .cards { grid-template-columns: repeat(3, 1fr); }
  .cards.two { grid-template-columns: repeat(2, 1fr); }
  .cta-buttons { grid-template-columns: repeat(2, 1fr); max-width: 640px; margin-inline: auto; }
  .footer-nav { grid-template-columns: repeat(3, 1fr); }
  .profile { grid-template-columns: 320px 1fr; align-items: start; gap: 32px; }
  .sticky-cta { display: none; }
  .site-footer { padding-bottom: 40px; }
  table.data { min-width: 0; }
  .sess-list { grid-template-columns: repeat(2, 1fr); }
  .price-list { grid-template-columns: repeat(2, 1fr); }
}

/* =========================================================
   PC（メニューを横並びに）
   ========================================================= */
@media (min-width: 940px) {
  .nav-toggle { display: none; }
  .site-nav {
    position: static; transform: none; box-shadow: none;
    background: transparent; border: 0; max-height: none; overflow: visible;
  }
  .site-nav ul { display: flex; align-items: center; gap: 4px; padding: 0; }
  .site-nav li { border: 0; }
  .site-nav a { padding: 8px 12px; font-size: 14.5px; }
  .site-nav .nav-cta { margin: 0 0 0 8px; padding: 10px 20px; }
  .logo .txt { font-size: 17px; }
  .hero-inner { display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; align-items: center; }
  .hero-figure { margin: 0; }
  .hero-cta { max-width: 520px; }
}

/* アニメーションを控えたい設定の人向け */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* =========================================================================
   ステージ写真（LAST_STAGE の photos 配列を表示するブロック）
   ========================================================================= */
.stage-photos { margin: 12px 0 4px; }
.stage-photos.one { }
.stage-photos.two {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
}
@media (min-width: 700px) {
  .stage-photos.two { grid-template-columns: 1fr 1fr; }
}
.stage-photo {
  border-radius: 14px;
  overflow: hidden;
  background: #f8ede0;
}
.stage-photo img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}
.mt-16 { margin-top: 16px; }