/* =========================================================
   NCA CAMP2026 LP
   モバイルファースト。ブランドカラーは :root の変数で管理
   ========================================================= */

:root {
  /* ブランドカラー（既存フライヤー素材から抽出） */
  --nca-primary: #5c5a94;        /* メインの紫 */
  --nca-primary-dark: #3d3768;   /* 濃紺紫（見出し・本文強調） */
  --nca-secondary: #8482b0;      /* 中間の紫 */
  --nca-light: #b9b6de;          /* 薄紫（罫線・装飾） */
  --nca-lavender: #eee1ef;       /* ラベンダー背景 */
  --nca-lavender-soft: #f7f0f8;  /* さらに淡い背景 */
  --nca-pink: #fbdedc;           /* アクセントの淡いピンク */
  --nca-white: #ffffff;

  --text: #3d3768;
  --text-muted: #6b6690;

  --font-ja: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Hiragino Sans", "Noto Sans JP", sans-serif;
  --font-en: "Montserrat", "Helvetica Neue", Arial, sans-serif;

  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 32px;
  --radius-pill: 999px;
  --shadow: 0 8px 24px rgba(61, 55, 104, 0.10);
  --shadow-hover: 0 12px 28px rgba(61, 55, 104, 0.18);

  --header-h: 56px;              /* スマホ時のヘッダー高 */
  --gutter: 16px;
  --section-py: 64px;
}

@media (min-width: 768px) {
  :root {
    --header-h: 64px;
    --gutter: 32px;
    --section-py: 96px;
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

body {
  margin: 0;
  font-family: var(--font-ja);
  font-size: 16px;
  line-height: 1.9;
  color: var(--text);
  background: var(--nca-white);
  overflow-x: hidden;
  font-feature-settings: "palt";
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--nca-primary); }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
table { border-collapse: collapse; width: 100%; }

.nw { display: inline-block; }  /* 語句の途中で改行させない */
.sp-only { display: inline; }
@media (min-width: 768px) { .sp-only { display: none; } }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
  z-index: 1;
}
.container--narrow { max-width: 860px; }

.section {
  position: relative;
  padding: var(--section-py) 0;
  overflow: hidden;
}
.section--white { background: var(--nca-white); }
.section--lavender { background: var(--nca-lavender-soft); }
.section--pattern { background: var(--nca-lavender); }
/* 28.png は左端に透明の余白があるため、はみ出させて端をトリミング */
.section--pattern::before,
.hero::before {
  content: "";
  position: absolute;
  inset: -24px;
  z-index: 0;
  background: url("../images/28.png") center / cover no-repeat;
  pointer-events: none;
}

.deco {
  position: absolute;
  pointer-events: none;
  z-index: 0;
}
.deco--hex-l { width: 180px; left: -40px; top: 24px; opacity: .9; }
@media (min-width: 768px) { .deco--hex-l { width: 260px; left: -20px; } }

.card {
  background: var(--nca-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ---------- Section heading ---------- */
.section-head {
  text-align: center;
  margin-bottom: 40px;
}
.section-head__en {
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .24em;
  color: var(--nca-secondary);
  margin-bottom: 4px;
}
.section-head__ja {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--nca-primary-dark);
}
.section-head__ja::after {
  content: "";
  display: block;
  width: 48px;
  height: 4px;
  margin: 16px auto 0;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--nca-primary), var(--nca-light));
}
@media (min-width: 768px) {
  .section-head { margin-bottom: 56px; }
  .section-head__ja { font-size: 30px; }
}

.course-label {
  display: inline-block;
  font-size: .72em;
  line-height: 1;
  padding: .45em 1em;
  margin: 0 .5em .4em 0;
  border-radius: var(--radius-pill);
  background: var(--nca-primary);
  color: var(--nca-white);
  vertical-align: middle;
}
.section-head__ja .course-label { display: table; margin: 0 auto 12px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  min-height: 52px;
  padding: 12px 32px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .06em;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.btn--primary {
  background: var(--nca-primary);
  color: var(--nca-white);
  box-shadow: 0 6px 0 var(--nca-primary-dark), var(--shadow);
}
.btn--primary::after {
  content: "";
  width: 8px; height: 8px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(45deg);
}
.btn--primary:hover { transform: translateY(2px); box-shadow: 0 4px 0 var(--nca-primary-dark), var(--shadow-hover); }
.btn--lg { min-height: 60px; font-size: 17px; padding: 14px 24px; white-space: nowrap; }
@media (min-width: 768px) { .btn--lg { font-size: 18px; padding: 14px 48px; } }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 2px 12px rgba(61, 55, 104, .08);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1120px;
  height: var(--header-h);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.site-header__brand {
  display: block;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: .08em;
  color: var(--nca-primary-dark);
  text-decoration: none;
  line-height: 36px;
}
.site-header__brand span { color: var(--nca-secondary); }

/* ハンバーガーボタン（SPのみ） */
.nav-toggle {
  position: relative;
  width: 44px;
  height: 44px;
  margin-right: -8px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}
.nav-toggle__bar,
.nav-toggle__bar::before,
.nav-toggle__bar::after {
  position: absolute;
  left: 50%;
  width: 22px;
  height: 2px;
  margin-left: -11px;
  border-radius: 2px;
  background: var(--nca-primary-dark);
  transition: transform .25s ease, background-color .25s ease;
}
.nav-toggle__bar { top: 50%; margin-top: -1px; }
.nav-toggle__bar::before,
.nav-toggle__bar::after { content: ""; left: 0; margin-left: 0; }
.nav-toggle__bar::before { transform: translateY(-7px); }
.nav-toggle__bar::after { transform: translateY(7px); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::before { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::after { transform: rotate(-45deg); }

/* SP：ヘッダー下にドロップダウン表示 */
.site-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  max-height: calc(100vh - var(--header-h));
  overflow-y: auto;
  background: var(--nca-white);
  box-shadow: 0 12px 24px rgba(61, 55, 104, .12);
  border-radius: 0 0 var(--radius) var(--radius);
  visibility: hidden;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s;
}
.site-nav.is-open { visibility: visible; opacity: 1; transform: none; }
.site-nav ul { padding: 8px var(--gutter) 20px; }
.site-nav li + li { border-top: 1px solid var(--nca-lavender); }
.site-nav a {
  position: relative;
  display: block;
  padding: 14px 8px;
  font-size: 16px;
  font-weight: 500;
  color: var(--nca-primary-dark);
  text-decoration: none;
  transition: background-color .2s ease;
}
.site-nav a::after {
  content: "";
  position: absolute;
  right: 12px;
  top: 50%;
  width: 7px; height: 7px;
  margin-top: -4px;
  border-top: 2px solid var(--nca-secondary);
  border-right: 2px solid var(--nca-secondary);
  transform: rotate(45deg);
}
.site-nav li.site-nav__cta { border-top: 0; padding-top: 12px; }
.site-nav__cta a {
  border-radius: var(--radius-pill);
  background: var(--nca-primary);
  color: var(--nca-white);
  font-weight: 700;
  text-align: center;
}
.site-nav__cta a::after { display: none; }

@media (min-width: 768px) {
  .nav-toggle { display: none; }
  .site-nav {
    position: static;
    max-height: none;
    overflow: visible;
    background: none;
    box-shadow: none;
    visibility: visible;
    opacity: 1;
    transform: none;
    transition: none;
  }
  .site-nav ul { display: flex; gap: 4px; padding: 0; }
  .site-nav li + li { border-top: 0; }
  .site-nav li.site-nav__cta { padding-top: 0; }
  .site-nav a {
    white-space: nowrap;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    font-size: 14px;
  }
  .site-nav a::after { display: none; }
  .site-nav a:hover { background: var(--nca-lavender); }
  .site-nav__cta a:hover { background: var(--nca-primary-dark); }
}

/* ---------- 1. Hero ---------- */
.hero {
  position: relative;
  background: var(--nca-lavender);
  min-height: min(calc(100svh - var(--header-h)), 720px);
  display: flex;
  align-items: center;
  overflow: hidden;
}
@media (min-width: 900px) {
  .hero::before {
    background-image: url("../images/13.png");
    background-position: right center;
  }
  .hero {
    min-height: min(calc(100vh - var(--header-h)), 760px);
  }
}
.hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 48px var(--gutter) 64px;
  color: var(--nca-primary-dark);
}

.hero__title {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  margin-bottom: 20px;
  line-height: 1;
}
.hero__online {
  font-family: var(--font-en);
  font-weight: 600;
  font-size: clamp(44px, 14vw, 104px);
  letter-spacing: .06em;
}
/* 「C」ブロック型のCAMPロゴをCSSで再現 */
.hero__camp {
  position: relative;
  display: inline-block;
  width: clamp(52px, 16vw, 120px);
  aspect-ratio: 3 / 4.4;
  flex-shrink: 0;
}
.hero__camp-mark {
  --bar: clamp(10px, 3.2vw, 24px);
  position: absolute;
  inset: 0;
  border: var(--bar) solid var(--nca-primary-dark);
  border-right: 0;
}
/* 右側は上下のみ縦棒を残し、中央の切れ目に「CAMP」を置く */
.hero__camp-mark::before,
.hero__camp-mark::after {
  content: "";
  position: absolute;
  right: 0;
  width: var(--bar);
  background: var(--nca-primary-dark);
}
.hero__camp-mark::before { top: 0; height: 46%; }
.hero__camp-mark::after { bottom: 0; height: 22%; }
.hero__camp-text {
  position: absolute;
  right: 0;
  top: 60%;
  padding-top: .2em;
  border-top: 1px solid var(--nca-primary-dark);
  font-family: var(--font-en);
  font-weight: 500;
  font-size: clamp(9px, 2.6vw, 18px);
  letter-spacing: .04em;
  transform: translate(35%, -50%);
}

.hero__date { margin-bottom: 20px; }
.hero__date time {
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 4px 16px;
  font-family: var(--font-en);
  font-weight: 600;
  line-height: .9;
}
.hero__date-md { font-size: clamp(76px, 25vw, 172px); letter-spacing: .01em; }
.hero__date-sub {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: clamp(22px, 6.8vw, 44px);
  padding-bottom: .3em;
  letter-spacing: .06em;
}
.hero__date-day {
  display: inline-block;
  padding: .12em .45em;
  border-radius: var(--radius-sm);
  background: var(--nca-primary-dark);
  color: var(--nca-white);
  font-size: .8em;
  line-height: 1.1;
  text-align: center;
}

.hero__format {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  margin-bottom: 16px;
  font-weight: 700;
  line-height: 1.4;
}
.hero__format strong { font-size: clamp(28px, 8.4vw, 48px); letter-spacing: .04em; }
.hero__format span { font-size: clamp(15px, 4.2vw, 22px); }

.hero__org {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 12px;
  padding: 8px 18px;
  margin-bottom: 36px;
  border-radius: var(--radius-sm);
  background: var(--nca-primary-dark);
  color: var(--nca-white);
  font-size: clamp(13px, 3.8vw, 18px);
  font-weight: 500;
  line-height: 1.5;
}
.hero__org-label { font-weight: 700; }

.hero__cta { display: flex; width: 100%; max-width: 360px; }

/* ---------- 2. Greetings ---------- */
.theme-badge {
  max-width: 560px;
  margin: 0 auto 40px;
}
.greeting > p:first-child { margin-bottom: 32px; }

.meaning-list { display: grid; gap: 20px; margin-bottom: 40px; }
.meaning {
  position: relative;
  padding: 28px 24px 24px;
  border-radius: var(--radius);
  background: var(--nca-lavender-soft);
  border: 1px solid var(--nca-lavender);
}
.meaning__title {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 12px;
  font-size: 22px;
  line-height: 1.3;
  color: var(--nca-primary-dark);
}
.meaning__eq { color: var(--nca-secondary); font-weight: 500; }
.meaning__en {
  font-family: var(--font-en);
  font-weight: 700;
  color: var(--nca-primary);
}
.meaning p { font-size: 15px; }

/* 「会長」と「有吉 与志恵」の間を広めに空ける */
.signature {
  display: flex;
  justify-content: flex-end;
  align-items: baseline;
  gap: 2.5em;
  font-weight: 700;
}
.signature__role { font-size: 15px; color: var(--text-muted); }
.signature__name { font-size: 22px; letter-spacing: .12em; }

/* ---------- 3. Timetable ---------- */
.timetable {
  background: var(--nca-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.timetable thead { display: none; }
.timetable tbody tr {
  display: grid;
  grid-template-columns: 7.5em 1fr;
  grid-template-areas:
    "time title"
    "time lecturer";
  column-gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--nca-lavender);
}
.timetable tbody tr:last-child { border-bottom: 0; }
.timetable td { padding: 0; }
.timetable__time {
  grid-area: time;
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 15px;
  color: var(--nca-primary);
  white-space: nowrap;
}
.timetable__title { grid-area: title; font-weight: 700; font-size: 17px; }
.timetable__title a { color: inherit; text-decoration: none; border-bottom: 2px solid var(--nca-light); }
.timetable__lecturer { grid-area: lecturer; font-size: 14px; color: var(--text-muted); }
.timetable .is-sub .timetable__title { font-weight: 500; font-size: 15px; }
.timetable .is-sub .timetable__lecturer { display: none; }
.timetable tbody tr:not(.is-sub) { background: linear-gradient(90deg, var(--nca-lavender-soft), var(--nca-white)); }

@media (min-width: 768px) {
  .timetable thead { display: table-header-group; }
  .timetable th {
    padding: 16px 24px;
    background: var(--nca-primary);
    color: var(--nca-white);
    font-weight: 700;
    text-align: left;
    letter-spacing: .1em;
  }
  .timetable tbody tr { display: table-row; padding: 0; }
  .timetable td { padding: 18px 24px; border-bottom: 1px solid var(--nca-lavender); vertical-align: middle; }
  .timetable tbody tr:last-child td { border-bottom: 0; }
  .timetable .is-sub .timetable__lecturer { display: table-cell; }
  .timetable__time { width: 9em; }
}

/* ---------- 4. Course A ---------- */
.course-a { display: grid; gap: 24px; }
.course-a__lecturer { max-width: 320px; margin: 0 auto; text-align: center; }
.course-a__lecturer figcaption { margin-top: 8px; }
.lecturer-role {
  display: inline-block;
  margin-right: .8em;
  font-size: 14px;
  color: var(--text-muted);
}
.lecturer-name { font-size: 22px; font-weight: 700; letter-spacing: .1em; }
.course-a__body { padding: 28px 24px; }
.course-a__body p { font-size: 15px; }

@media (min-width: 900px) {
  .course-a { grid-template-columns: 340px 1fr; align-items: center; gap: 48px; }
  .course-a__lecturer { max-width: none; }
  .course-a__body { padding: 40px; }
}

/* ---------- 5. Course B・C ---------- */
.course-bc { display: grid; gap: 28px; margin-bottom: 56px; }
.course-bc__visual { max-width: 520px; margin: 0 auto; }
.course-bc__text { font-size: 15px; }
@media (min-width: 900px) {
  .course-bc { grid-template-columns: 1fr 1fr; align-items: center; gap: 48px; }
}

.lecturer-group + .lecturer-group { margin-top: 48px; }
.lecturer-group__title {
  text-align: center;
  font-size: 20px;
  margin-bottom: 24px;
}
.lecturer-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  max-width: 760px;
  margin: 0 auto;
}
.lecturer { text-align: center; }
.lecturer__photo {
  aspect-ratio: 1 / 1.15;
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius) var(--radius);
  background: linear-gradient(180deg, var(--nca-lavender) 0%, var(--nca-lavender-soft) 100%);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 8px 8px 0;
}
.lecturer__photo img { width: 100%; height: 100%; object-fit: contain; object-position: bottom; }
.lecturer__name { margin-top: 10px; font-size: 15px; font-weight: 700; letter-spacing: .06em; line-height: 1.4; }
@media (min-width: 768px) {
  .lecturer-list { gap: 32px; }
  .lecturer__name { font-size: 18px; }
}

/* ---------- 6. Price ---------- */
.price-list {
  display: grid;
  gap: 16px;
}
@media (min-width: 640px) { .price-list { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .price-list { grid-template-columns: repeat(4, 1fr); gap: 20px; } }

.price-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px 20px;
  border-radius: var(--radius-lg);
  background: var(--nca-pink);
  text-align: center;
  box-shadow: var(--shadow);
}
.price-card__name {
  font-size: 20px;
  font-weight: 700;
  padding-bottom: 12px;
  margin-bottom: 12px;
  position: relative;
}
.price-card__name::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 64px;
  height: 4px;
  border-radius: var(--radius-pill);
  background: var(--nca-light);
  transform: translateX(-50%);
}
.price-card__price {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 40px;
  line-height: 1.2;
  letter-spacing: .02em;
}
.price-card__price .yen { font-size: .6em; margin-right: .08em; }
.price-card__price .tax {
  display: block;
  font-family: var(--font-ja);
  font-size: 14px;
  font-weight: 700;
}
.price-card__notes { margin-top: 12px; font-size: 13px; line-height: 1.7; }

.price-card--featured {
  background: var(--nca-secondary);
  color: var(--nca-white);
  position: relative;
}
.price-card--featured::before {
  content: "おすすめ";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 2px 16px;
  border-radius: var(--radius-pill);
  background: var(--nca-primary-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
}
.price-card--featured .price-card__name::after { background: rgba(255, 255, 255, .7); }

/* ---------- 7. Apply ---------- */
.steps {
  display: grid;
  gap: 12px;
  margin-bottom: 40px;
  counter-reset: none;
}
.step {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-radius: var(--radius);
  background: var(--nca-lavender-soft);
}
.step__num {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--nca-primary);
  color: var(--nca-white);
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 18px;
}
.step p { font-size: 15px; line-height: 1.7; }

.apply-box {
  padding: 32px 20px;
  border-radius: var(--radius-lg);
  background: var(--nca-lavender);
  text-align: center;
}
.apply-box__lead {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
}
.apply-buttons { display: grid; gap: 12px; margin-bottom: 20px; }
@media (min-width: 768px) { .apply-buttons { grid-template-columns: repeat(3, 1fr); gap: 16px; } }

.btn-apply {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .6em;
  min-height: 60px;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  background: var(--nca-white);
  color: var(--nca-primary-dark);
  border: 2px solid var(--nca-primary);
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  box-shadow: 0 4px 0 var(--nca-light);
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease;
}
.btn-apply::after {
  content: "";
  width: 8px; height: 8px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(45deg);
}
.btn-apply:hover { background: var(--nca-primary); color: var(--nca-white); transform: translateY(2px); box-shadow: 0 2px 0 var(--nca-light); }
.btn-apply--featured {
  background: var(--nca-primary);
  color: var(--nca-white);
  box-shadow: 0 4px 0 var(--nca-primary-dark);
}
.btn-apply--featured:hover { background: var(--nca-primary-dark); box-shadow: 0 2px 0 var(--nca-primary-dark); }
@media (min-width: 768px) { .btn-apply--featured { grid-column: 1 / -1; } }

.apply-box__note { font-size: 14px; line-height: 1.7; }
.apply-box__note a { font-weight: 700; }

/* ---------- 8. Benefits ---------- */
.section-head--ribbon { margin-bottom: 40px; }
.ribbon-heading { max-width: 420px; width: 88%; margin: 0 auto; }

.benefit-list { display: grid; gap: 56px 24px; padding-top: 32px; }
@media (min-width: 900px) { .benefit-list { grid-template-columns: repeat(3, 1fr); } }

.benefit {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 64px 24px 28px;
  text-align: center;
}
.benefit__medal {
  position: absolute;
  top: -40px;
  left: 50%;
  width: 76px;
  transform: translateX(-50%);
  filter: drop-shadow(0 4px 6px rgba(61, 55, 104, .2));
}
.benefit__title {
  font-size: 20px;
  line-height: 1.5;
  margin-bottom: 12px;
}
.benefit p { font-size: 15px; line-height: 1.7; }
.benefit__price { display: flex; flex-wrap: wrap; justify-content: center; align-items: baseline; gap: 0 .4em; }
.benefit__price-old { text-decoration: line-through; color: var(--text-muted); font-size: 14px; }
.benefit__arrow { color: var(--nca-secondary); }
.benefit__price strong { font-size: 22px; color: var(--nca-primary); }
.benefit__tag {
  display: inline-block;
  margin-top: 8px;
  padding: 2px 16px;
  border-radius: var(--radius-pill);
  background: var(--nca-pink);
  font-weight: 700;
  font-size: 14px;
}
.benefit__photo { margin-top: auto; padding-top: 20px; width: 100%; max-width: 260px; }
.benefit__photo--frame { border-radius: var(--radius-sm); padding-top: 0; margin-top: 20px; box-shadow: var(--shadow); }
@media (min-width: 900px) { .benefit__photo--frame { margin-top: auto; } }

/* ---------- 9. Accordion ---------- */
.accordion { display: grid; gap: 12px; }
.accordion__item {
  border-radius: var(--radius);
  background: var(--nca-lavender-soft);
  border: 1px solid var(--nca-lavender);
  overflow: hidden;
}
.accordion__head {
  position: relative;
  display: block;
  padding: 18px 56px 18px 24px;
  font-weight: 700;
  font-size: 17px;
  cursor: pointer;
  list-style: none;
  transition: background-color .2s ease;
}
.accordion__head::-webkit-details-marker { display: none; }
.accordion__head:hover { background: var(--nca-lavender); }
.accordion__head::before,
.accordion__head::after {
  content: "";
  position: absolute;
  right: 24px;
  top: 50%;
  width: 14px;
  height: 2px;
  border-radius: 2px;
  background: var(--nca-primary);
  transition: transform .25s ease;
}
.accordion__head::after { transform: rotate(90deg); }
.accordion__item[open] > .accordion__head::after { transform: rotate(0deg); }
.accordion__body {
  padding: 4px 24px 24px;
  font-size: 15px;
  line-height: 1.8;
}
.accordion__body p + dl { margin-top: 16px; }

.bank,
.points {
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  background: var(--nca-white);
}
.bank dt,
.points dt { font-weight: 700; color: var(--nca-primary); }
.points dd + dt { margin-top: 12px; }

/* ---------- 10. Sale ---------- */
.sale-catch {
  text-align: center;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 20px;
  color: var(--nca-primary);
}
.sale-text { max-width: 760px; margin: 0 auto 40px; font-size: 15px; }
@media (min-width: 768px) { .sale-catch { font-size: 24px; } .sale-text { text-align: center; } }

.product-list {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
@media (min-width: 768px) { .product-list { gap: 28px; } }
.product { text-align: center; }
.product__photo {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius);
  background: var(--nca-white);
  box-shadow: var(--shadow);
  display: grid;
  place-items: center;
  padding: 10%;
}
.product__photo img { width: 100%; height: 100%; object-fit: contain; }
.product__photo--placeholder {
  background: repeating-linear-gradient(45deg, var(--nca-white) 0 10px, var(--nca-lavender-soft) 10px 20px);
  border: 2px dashed var(--nca-light);
  box-shadow: none;
  color: var(--text-muted);
  font-size: 13px;
}
.product__name { margin-top: 10px; font-size: 13px; font-weight: 700; line-height: 1.5; }
@media (min-width: 768px) { .product__name { font-size: 16px; } }

/* ---------- 11. SNS ---------- */
.sns-text { margin-bottom: 32px; font-size: 15px; }
.sns-text strong { color: var(--nca-primary); }
.sns-buttons { display: grid; gap: 12px; }
@media (min-width: 640px) { .sns-buttons { grid-template-columns: repeat(3, 1fr); } }
.btn-sns {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 56px;
  border-radius: var(--radius-pill);
  color: var(--nca-white);
  font-weight: 700;
  text-decoration: none;
  transition: transform .2s ease, opacity .2s ease;
}
.btn-sns:hover { transform: translateY(-2px); opacity: .9; }
.btn-sns svg { width: 24px; height: 24px; fill: currentColor; }
.btn-sns--line { background: #06c755; }
.btn-sns--facebook { background: #1877f2; }
.btn-sns--instagram { background: linear-gradient(45deg, #f9a13b, #e1306c 50%, #833ab4); }

/* ---------- 12. Deadline / Contact ---------- */
.deadline {
  padding: 32px 20px;
  text-align: center;
}
.deadline__date {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
}
.deadline__label {
  padding: 2px 20px;
  border-radius: var(--radius-pill);
  background: var(--nca-primary);
  color: var(--nca-white);
  font-size: 15px;
}
.deadline__note { font-size: 14px; line-height: 1.7; margin-bottom: 28px; text-align: left; }
.deadline__note strong { color: var(--nca-primary); }
.deadline .btn { width: 100%; max-width: 400px; }
@media (min-width: 768px) {
  .deadline { padding: 48px 40px; }
  .deadline__date { flex-direction: row; justify-content: center; font-size: 30px; }
  .deadline__note { text-align: center; }
}
.phone-illust { max-width: 320px; margin: 40px auto 0; }

/* ---------- Footer ---------- */
.site-footer {
  padding: 48px 0 32px;
  background: var(--nca-primary-dark);
  color: var(--nca-white);
  text-align: center;
}
.site-footer a { color: var(--nca-white); }
.site-footer__org { font-weight: 700; font-size: 16px; margin-bottom: 20px; line-height: 1.6; }
.site-footer__contact { display: grid; gap: 8px; margin-bottom: 32px; font-size: 15px; line-height: 1.7; }
.site-footer__contact small { display: block; opacity: .8; }
@media (min-width: 768px) { .site-footer__contact small { display: inline; } }
.site-footer__label {
  display: inline-block;
  min-width: 6.5em;
  margin-right: .6em;
  padding: 0 .8em;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, .5);
  font-size: 12px;
  line-height: 1.8;
}
.site-footer__copy { opacity: .7; font-family: var(--font-en); letter-spacing: .06em; }