/* ============================================================
   ピアノ教室向け ホームページ制作代行 LP
   ============================================================ */

:root {
  color-scheme: light;

  /* 色 */
  --c-bg: #ffffff;
  --c-soft: #f2f8f7;          /* 淡いブルーグリーン（交互背景） */
  --c-tint: #e3f0ee;
  --c-accent: #24716c;        /* ブルーグリーン（ボタン・強調） */
  --c-accent-dark: #1b5a56;
  --c-navy: #1f3a5c;          /* 見出し・価格 */
  --c-text: #2c3540;
  --c-muted: #5d6874;
  --c-line: #dbe6e4;
  --c-notice-bg: #fbf8f1;
  --c-notice-line: #e7dcc3;

  /* 文字 */
  --font: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic Medium", "Yu Gothic", Meiryo, system-ui, sans-serif;

  /* レイアウト */
  --container: 1120px;
  --container-narrow: 820px;
  --gutter: 20px;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(31, 58, 92, .08);
  --header-h: 64px;
}

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

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

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: .03em;
  font-feature-settings: "palt" 0;
  overflow-wrap: anywhere;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: var(--c-accent); }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
strong { font-weight: 700; }

:focus-visible {
  outline: 3px solid #f0b429;
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: calc(var(--container-narrow) + var(--gutter) * 2); }

.sr-only {
  position: absolute !important;
  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: 12px; top: -48px; z-index: 100;
  padding: 8px 16px;
  background: var(--c-navy); color: #fff;
  border-radius: 6px; text-decoration: none;
}
.skip-link:focus { top: 12px; }

.u-sp { display: inline; }
.u-pc { display: none; }
@media (min-width: 768px) {
  .u-sp { display: none; }
  .u-pc { display: inline; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  min-height: 48px;
  padding: 12px 28px;
  border: 2px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.4;
  letter-spacing: .06em;
  text-align: center;
  text-decoration: none;
  transition: background-color .2s, color .2s, border-color .2s, box-shadow .2s;
  cursor: pointer;
}
.btn--primary {
  background: var(--c-accent);
  color: #fff;
  box-shadow: 0 6px 16px rgba(36, 113, 108, .22);
}
.btn--primary:hover { background: var(--c-accent-dark); }
.btn--primary[data-cta]::after {
  content: "";
  width: .5em; height: .5em;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(45deg);
  margin-left: .2em;
  flex: none;
}
.btn--ghost {
  background: #fff;
  color: var(--c-accent);
  border-color: var(--c-accent);
}
.btn--ghost:hover { background: var(--c-soft); }
.btn--lg { min-height: 60px; padding: 16px 24px; font-size: 1.0625rem; }
@media (min-width: 768px) { .btn--lg { padding-inline: 40px; } }
.btn--sm { min-height: 40px; padding: 8px 16px; font-size: .875rem; box-shadow: none; }
.btn--block { display: flex; width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(1.4) blur(8px);
  -webkit-backdrop-filter: saturate(1.4) blur(8px);
  border-bottom: 1px solid var(--c-line);
}
.site-header__inner {
  display: flex; align-items: center; gap: 12px;
  height: var(--header-h);
}
.brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--c-navy); text-decoration: none;
  min-width: 0;
}
.brand__mark {
  display: grid; place-items: center; flex: none;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--c-accent); color: #fff;
}
.brand__text { display: flex; flex-direction: column; line-height: 1.3; min-width: 0; }
.brand__name {
  font-weight: 700; font-size: .8125rem; letter-spacing: .02em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.brand__by { font-size: .6875rem; color: var(--c-muted); }
.site-nav { display: none; margin-left: auto; }
.site-header__cta { margin-left: auto; flex: none; }
.site-header__cta::after { display: none; }

@media (min-width: 1024px) {
  .site-nav { display: block; }
  .site-nav ul { display: flex; gap: 4px; }
  .site-nav a {
    display: block; padding: 8px 12px;
    color: var(--c-text); text-decoration: none;
    font-size: .875rem; font-weight: 600;
    border-radius: 8px;
  }
  .site-nav a:hover { color: var(--c-accent); background: var(--c-soft); }
  .site-header__cta { margin-left: 8px; }
}
@media (min-width: 768px) {
  :root { --header-h: 72px; --gutter: 32px; }
  .brand__name { font-size: 1rem; letter-spacing: .04em; }
  .brand__by { font-size: .75rem; }
  .brand__mark { width: 38px; height: 38px; }
}

/* ---------- Hero ---------- */
.hero {
  padding: 36px 0 56px;
  background:
    radial-gradient(1200px 500px at 85% -10%, var(--c-tint), transparent 60%),
    var(--c-bg);
}
.hero__inner {
  display: grid;
  grid-template-areas:
    "copy"
    "visual"
    "offer";
  gap: 28px;
}
.hero__copy { grid-area: copy; }
.hero__visual { grid-area: visual; }
.hero__offer { grid-area: offer; }

.hero__eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  padding: 4px 14px;
  border-radius: 14px;
  background: var(--c-tint);
  color: var(--c-accent-dark);
  font-size: .75rem; font-weight: 700; letter-spacing: .06em;
}
.hero__eyebrow-sep { margin: 0 .5em; }
.hero__title {
  color: var(--c-navy);
  font-size: clamp(1.75rem, 6.6vw, 2.75rem);
  line-height: 1.5;
  letter-spacing: .04em;
  font-weight: 700;
}
.nw { display: inline-block; }
.hero__title-em {
  color: var(--c-accent);
  background: linear-gradient(transparent 70%, rgba(36, 113, 108, .14) 70%);
}
.hero__lead {
  margin-top: 16px;
  color: var(--c-text);
  font-size: .9375rem;
}

.hero__visual img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero__visual figcaption {
  margin-top: 8px;
  color: var(--c-muted);
  font-size: .75rem;
  text-align: right;
}

.offer-box {
  padding: 18px 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}
.offer-box__badge {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  font-size: .8125rem; font-weight: 700;
}
.offer-box__badge span {
  padding: 2px 10px; border-radius: 4px;
  background: var(--c-navy); color: #fff;
  letter-spacing: .08em;
}
.offer-box__badge strong { color: var(--c-navy); font-size: 1rem; }
.offer-box__price {
  display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 12px;
  margin-top: 10px;
}
.offer-box__label { font-size: .875rem; color: var(--c-muted); font-weight: 600; }
.offer-box__num {
  color: var(--c-navy);
  font-size: 2.25rem; font-weight: 700; line-height: 1.2;
  letter-spacing: .02em;
  font-feature-settings: "tnum";
}
.offer-box__num small { font-size: .9375rem; margin-left: 2px; letter-spacing: .04em; }
.offer-box__note {
  margin-top: 8px; padding-top: 10px;
  border-top: 1px dashed var(--c-line);
  color: var(--c-muted);
  font-size: .75rem; line-height: 1.7;
}

.hero__actions {
  display: flex; flex-direction: column; gap: 12px;
  margin-top: 20px;
}
.hero__actions .btn { width: 100%; }
.hero__micro {
  margin-top: 12px;
  color: var(--c-muted);
  font-size: .75rem; line-height: 1.7;
  text-align: center;
}

@media (min-width: 768px) {
  .hero { padding: 56px 0 80px; }
  .hero__lead { font-size: 1rem; }
  .hero__actions { flex-direction: row; }
  .hero__actions .btn { width: auto; }
  .hero__micro { text-align: left; }
}
@media (min-width: 1024px) {
  .hero { padding: 64px 0 96px; }
  .hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-areas:
      "copy  visual"
      "offer visual";
    grid-template-rows: auto 1fr;
    column-gap: 48px;
    row-gap: 28px;
    align-items: start;
  }
  .hero__visual { align-self: center; }
  .hero__title { font-size: 2.25rem; }
}

/* ---------- Section common ---------- */
.section { padding: 72px 0; }
.section--soft { background: var(--c-soft); }
@media (min-width: 768px) { .section { padding: 104px 0; } }

.section-head { text-align: center; margin-bottom: 40px; }
.section-head__en {
  color: var(--c-accent);
  font-size: .75rem; font-weight: 700;
  letter-spacing: .24em;
}
.section-head__title {
  margin-top: 6px;
  color: var(--c-navy);
  font-size: clamp(1.5rem, 5.4vw, 2rem);
  line-height: 1.5;
  letter-spacing: .06em;
}
.section-head__lead {
  margin-top: 14px;
  color: var(--c-muted);
  font-size: .9375rem;
}
@media (min-width: 768px) { .section-head { margin-bottom: 56px; } }

/* ---------- Worries ---------- */
.worry-list {
  display: grid; gap: 12px;
}
.worry-list li {
  position: relative;
  padding: 16px 18px 16px 52px;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  line-height: 1.7;
  font-weight: 600;
}
.worry-list li::before {
  content: "";
  position: absolute; left: 18px; top: 18px;
  width: 22px; height: 22px;
  border-radius: 6px;
  border: 2px solid var(--c-accent);
  background: #fff;
}
.worry-list li::after {
  content: "";
  position: absolute; left: 25px; top: 21px;
  width: 7px; height: 12px;
  border-right: 2.5px solid var(--c-accent);
  border-bottom: 2.5px solid var(--c-accent);
  transform: rotate(45deg);
}
.worry-answer {
  position: relative;
  margin-top: 40px;
  padding-top: 36px;
  color: var(--c-navy);
  font-size: clamp(1.125rem, 4.4vw, 1.375rem);
  font-weight: 700;
  line-height: 1.7;
  text-align: center;
}
.worry-answer::before {
  content: "";
  position: absolute; left: 50%; top: 0;
  width: 18px; height: 18px;
  border-right: 2px solid var(--c-accent);
  border-bottom: 2px solid var(--c-accent);
  transform: translateX(-50%) rotate(45deg);
}
.worry-answer strong { color: var(--c-accent); }
.worry-answer span {
  display: block; margin-top: 10px;
  color: var(--c-text);
  font-size: .9375rem; font-weight: 400;
}

/* ---------- Features ---------- */
.feature-grid { display: grid; gap: 16px; }
@media (min-width: 768px) { .feature-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; } }

.feature {
  padding: 28px 24px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: #fff;
}
.feature__num {
  display: inline-grid; place-items: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--c-tint);
  color: var(--c-accent-dark);
  font-weight: 700; font-size: .9375rem;
  letter-spacing: .04em;
}
.feature__title {
  margin: 14px 0 8px;
  color: var(--c-navy);
  font-size: 1.1875rem;
  line-height: 1.55;
}
.feature p { font-size: .9375rem; }
@media (min-width: 768px) { .feature { padding: 36px 32px; } }

/* ---------- Sample ---------- */
.sample {
  display: grid;
  gap: 32px;
  align-items: end;
}
.sample figure { margin: 0; }
.sample figcaption {
  display: flex; gap: 8px; align-items: flex-start;
  margin-top: 12px;
  font-size: .875rem; line-height: 1.7;
}
.tag {
  flex: none;
  padding: 1px 10px;
  border-radius: 4px;
  background: var(--c-navy); color: #fff;
  font-size: .75rem; font-weight: 700; letter-spacing: .06em;
  line-height: 1.8;
}
.sample__pc img,
.sample__pc .browser {
  width: 100%;
}
.sample__pc {
  min-width: 0;
}
.sample__pc > img {
  border: 1px solid var(--c-line);
  border-top: 0;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  box-shadow: var(--shadow);
}
.browser {
  display: flex; gap: 6px; align-items: center;
  height: 26px; padding: 0 12px;
  border: 1px solid var(--c-line);
  border-bottom: 0;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  background: #fff;
}
.browser span { width: 9px; height: 9px; border-radius: 50%; background: #d4dedc; }
.sample__sp {
  justify-self: center;
  width: min(240px, 68%);
}
.sample__sp img {
  border-radius: 18px;
  box-shadow: var(--shadow);
}
.sample__sp figcaption { font-size: .8125rem; }

@media (min-width: 768px) {
  .sample {
    grid-template-columns: minmax(0, 1fr) 210px;
    gap: 40px;
  }
  .sample__sp { width: 100%; }
}
@media (min-width: 1024px) {
  .sample { grid-template-columns: minmax(0, 1fr) 240px; gap: 56px; }
}

.sample__note {
  margin-top: 36px;
  padding: 16px 20px;
  border-left: 4px solid var(--c-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: #fff;
  color: var(--c-muted);
  font-size: .8125rem; line-height: 1.8;
}
.sample__note strong {
  display: block;
  color: var(--c-navy);
  font-size: .9375rem;
  margin-bottom: 2px;
}

/* ---------- Plan ---------- */
.plan {
  display: grid;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #fff;
}
.plan__price {
  padding: 32px 24px;
  background: var(--c-soft);
  text-align: center;
}
.plan__badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  background: var(--c-navy); color: #fff;
  font-size: .8125rem; font-weight: 700; letter-spacing: .06em;
}
.plan__badge strong { margin-left: .3em; }
.plan__name {
  margin-top: 16px;
  color: var(--c-navy);
  font-size: 1.25rem; line-height: 1.5;
}
.plan__amount {
  margin-top: 10px;
  color: var(--c-navy);
  font-size: 2.75rem; font-weight: 700; line-height: 1.2;
  letter-spacing: .02em;
  font-feature-settings: "tnum";
}
.plan__amount small { font-size: 1rem; margin-left: 2px; letter-spacing: .04em; }
.plan__type {
  margin: 8px 0 24px;
  color: var(--c-muted);
  font-size: .8125rem; line-height: 1.7;
}
.plan__detail { padding: 32px 24px; }
.plan__heading {
  color: var(--c-navy);
  font-size: 1.0625rem;
  margin-bottom: 14px;
}
.check-list { display: grid; gap: 10px; }
.check-list li {
  position: relative;
  padding-left: 30px;
  line-height: 1.65;
}
.check-list li::before {
  content: "";
  position: absolute; left: 0; top: .2em;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--c-tint);
}
.check-list li::after {
  content: "";
  position: absolute; left: 7px; top: calc(.2em + 4px);
  width: 6px; height: 10px;
  border-right: 2px solid var(--c-accent);
  border-bottom: 2px solid var(--c-accent);
  transform: rotate(45deg);
}
.plan__meta {
  display: grid; gap: 12px;
  margin-top: 24px; padding-top: 20px;
  border-top: 1px solid var(--c-line);
}
.plan__meta div { display: grid; gap: 2px; }
.plan__meta dt { color: var(--c-muted); font-size: .8125rem; font-weight: 700; }
.plan__meta dd strong { color: var(--c-navy); }

@media (min-width: 768px) {
  .plan { grid-template-columns: 320px minmax(0, 1fr); }
  .plan__price {
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    padding: 40px 32px;
  }
  .plan__detail { padding: 40px 40px; }
  .plan__meta { grid-template-columns: 1fr 1fr; gap: 16px 24px; }
}
@media (min-width: 1024px) {
  .plan { grid-template-columns: 380px minmax(0, 1fr); }
  .check-list { grid-template-columns: 1fr 1fr; column-gap: 24px; }
}

.info-grid {
  display: grid; gap: 16px;
  margin-top: 24px;
}
@media (min-width: 1024px) { .info-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; } }

.info-card {
  padding: 24px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: #fff;
  font-size: .9375rem;
}
.info-card p + p { margin-top: 8px; }
.info-card--notice {
  background: var(--c-notice-bg);
  border-color: var(--c-notice-line);
}
.info-card__title {
  color: var(--c-navy);
  font-size: 1.0625rem; line-height: 1.5;
  margin-bottom: 12px;
}
.info-card__lead { margin-bottom: 12px; }
.info-card__small {
  margin-top: 14px;
  color: var(--c-muted);
  font-size: .8125rem; line-height: 1.75;
}
.dot-list { display: grid; gap: 10px; }
.dot-list li {
  position: relative;
  padding-left: 18px;
  line-height: 1.7;
}
.dot-list li::before {
  content: "";
  position: absolute; left: 2px; top: .75em;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--c-accent);
}

/* ---------- Flow ---------- */
.flow { display: grid; gap: 0; counter-reset: none; }
.flow__step {
  position: relative;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 28px;
}
.flow__step:last-child { padding-bottom: 0; }
.flow__step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 23px; top: 48px; bottom: 0;
  width: 2px;
  background: var(--c-line);
}
.flow__num {
  display: grid; place-items: center;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--c-accent);
  color: #fff;
  font-weight: 700; font-size: 1.125rem;
  position: relative; z-index: 1;
}
.flow__body {
  padding: 18px 20px;
  border-radius: var(--radius-sm);
  background: #fff;
  border: 1px solid var(--c-line);
}
.flow__body h3 {
  color: var(--c-navy);
  font-size: 1.0625rem; line-height: 1.5;
  margin-bottom: 4px;
}
.flow__body p { font-size: .9375rem; }
@media (min-width: 768px) {
  .flow__step { grid-template-columns: 56px minmax(0, 1fr); gap: 24px; }
  .flow__num { width: 56px; height: 56px; font-size: 1.25rem; }
  .flow__step:not(:last-child)::before { left: 27px; top: 56px; }
  .flow__body { padding: 22px 28px; }
}

/* ---------- Profile ---------- */
.profile {
  display: grid;
  gap: 28px;
  max-width: 960px;
  margin-inline: auto;
}
.profile__photo {
  justify-self: center;
  width: min(280px, 78%);
}
.profile__photo img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 22%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.profile__role {
  color: var(--c-accent);
  font-size: .8125rem; font-weight: 700; letter-spacing: .08em;
}
.profile__name {
  margin: 4px 0 16px;
  color: var(--c-navy);
  font-size: 1.625rem; line-height: 1.4;
  letter-spacing: .08em;
}
.profile__body p:not(.profile__role) { font-size: .9375rem; }
.profile__body p + p { margin-top: 12px; }
.profile__youtube a { font-weight: 700; }
@media (min-width: 768px) {
  .profile {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 56px;
    align-items: center;
  }
  .profile__photo { width: 100%; }
}

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 12px; }
.faq__item {
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: #fff;
}
.faq__item summary {
  position: relative;
  display: block;
  padding: 18px 52px 18px 52px;
  color: var(--c-navy);
  font-weight: 700;
  line-height: 1.6;
  cursor: pointer;
  list-style: none;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::before {
  content: "Q";
  position: absolute; left: 18px; top: 17px;
  color: var(--c-accent);
  font-size: 1.125rem; font-weight: 700;
}
.faq__item summary::after {
  content: "";
  position: absolute; right: 22px; top: 50%;
  width: 9px; height: 9px;
  border-right: 2px solid var(--c-accent);
  border-bottom: 2px solid var(--c-accent);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .2s;
}
.faq__item[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq__a {
  position: relative;
  padding: 0 20px 20px 52px;
  font-size: .9375rem;
}
.faq__a::before {
  content: "A";
  position: absolute; left: 19px; top: -2px;
  color: var(--c-navy);
  font-size: 1.125rem; font-weight: 700;
}

/* ---------- Final CTA ---------- */
.cta {
  padding: 72px 0 88px;
  background: linear-gradient(180deg, var(--c-soft) 0%, var(--c-tint) 100%);
}
.cta__box {
  padding: 36px 18px;
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
  text-align: center;
}
.cta__badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  background: var(--c-navy); color: #fff;
  font-size: .8125rem; font-weight: 700; letter-spacing: .06em;
}
.cta__badge strong { margin-left: .3em; }
.cta__title {
  margin-top: 16px;
  color: var(--c-navy);
  font-size: clamp(1.25rem, 5vw, 1.75rem);
  line-height: 1.6;
  letter-spacing: .04em;
}
.cta__price {
  margin: 16px 0 24px;
  color: var(--c-muted);
  font-size: .9375rem; font-weight: 600;
}
.cta__price strong {
  display: inline-block;
  margin-left: .3em;
  white-space: nowrap;
  color: var(--c-navy);
  font-size: 2rem; letter-spacing: .02em;
  font-feature-settings: "tnum";
}
.cta__price small { font-size: .9375rem; margin-left: 2px; }
.cta__box .btn { width: 100%; max-width: 420px; }
.cta__notes {
  display: grid; gap: 4px;
  max-width: 560px;
  margin: 24px auto 0;
  color: var(--c-muted);
  font-size: .8125rem; line-height: 1.7;
  text-align: left;
}
.cta__notes li { position: relative; padding-left: 1.1em; }
.cta__notes li::before { content: "※"; position: absolute; left: 0; }
@media (min-width: 768px) {
  .cta { padding: 104px 0 120px; }
  .cta__box { padding: 56px 48px; }
}

/* ---------- Footer ---------- */
.site-footer {
  padding: 28px 0 32px;
  background: var(--c-navy);
  color: rgba(255, 255, 255, .86);
  font-size: .8125rem;
}
.site-footer__inner {
  display: flex; flex-direction: column; gap: 4px;
  align-items: center; text-align: center;
}
@media (min-width: 768px) {
  .site-footer__inner { flex-direction: row; justify-content: space-between; }
}

/* ---------- Sticky CTA (スマートフォンのみ) ---------- */
.sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, .96);
  border-top: 1px solid var(--c-line);
  box-shadow: 0 -6px 20px rgba(31, 58, 92, .08);
  transform: translateY(110%);
  transition: transform .25s ease;
}
.sticky-cta.is-visible { transform: translateY(0); }
.sticky-cta .btn {
  flex-direction: column; gap: 0;
  min-height: 54px; padding: 8px 20px;
}
.sticky-cta .btn::after { display: none; }
.sticky-cta__sub { font-size: .6875rem; font-weight: 600; opacity: .92; letter-spacing: .04em; }
@media (min-width: 768px) { .sticky-cta { display: none; } }
@media (max-width: 767px) {
  body.has-sticky-cta .site-footer { padding-bottom: calc(96px + env(safe-area-inset-bottom)); }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}