/* ==========================================================================
   わの芽-運動の根っこ教室- / colorful × lime
   ========================================================================== */

:root {
  --cp-primary: #4D7C0F;
  --cp-accent: #84CC16;
  --cp-text: #1A2E0E;
  --cp-muted: #5A6847; /* 旧 #6B7A56 → 淡色背景 (#F7FEE7 / #ECFCCB) 上で WCAG AA 4.5:1 を満たすよう同系色で暗めに調整 */
  --cp-bg: #F7FEE7;
  --cp-white: #FFFFFF;
  --cp-line: #E2E8F0;
  --cp-deeper: #365314;
  --cp-lime-soft: #ECFCCB;

  --cp-sun: #FACC15;
  --cp-sun-deep: #A16207;
  --cp-sun-soft: #FEF9C3;
  --cp-sky: #38BDF8;
  --cp-sky-deep: #0369A1;
  --cp-sky-soft: #E0F2FE;
  --cp-coral: #FB7185;
  --cp-coral-deep: #BE123C;
  --cp-coral-soft: #FFE4E6;
  --cp-violet: #A78BFA;
  --cp-violet-deep: #6D28D9;
  --cp-violet-soft: #EDE9FE;

  --font-body: "Noto Sans JP", Inter, system-ui, -apple-system, sans-serif;
  --font-display: "M PLUS Rounded 1c", Fredoka, "Noto Sans JP", sans-serif;
  --font-num: Fredoka, "M PLUS Rounded 1c", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --radius: 20px;
  --radius-sm: 14px;
  --shadow-card: 0 6px 16px rgba(26, 46, 14, 0.06);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --container: 1200px;
  --gutter: clamp(1rem, 3vw, 3rem);
  --section-pad: clamp(4rem, 8vw, 8rem);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
/* ページ内リンク操作時のみスムーススクロール (プログラム的な scrollTo は即時にし、固定ヘッダーの描画ズレを防ぐ) */
html:focus-within { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-feature-settings: 'palt';
  font-size: 1rem;
  line-height: 1.7;
  color: var(--cp-text);
  background: var(--cp-bg);
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: var(--cp-primary); text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0 0 1rem; }
h1, h2, h3, h4 { margin: 0; font-family: var(--font-display); line-height: 1.25; letter-spacing: -0.01em; }
dl, dd { margin: 0; }
address { font-style: normal; }
button { font: inherit; cursor: pointer; }
input, select, textarea { font: inherit; }

.visually-hidden {
  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; top: -100px; left: 1rem; z-index: 1000;
  padding: .75rem 1.25rem; background: var(--cp-primary); color: #fff;
  border-radius: 999px; font-weight: 700; text-decoration: none;
}
.skip-link:focus { top: 1rem; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }
.container--narrow { max-width: 860px; }

/* ---------- Typography helpers ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-mono); font-size: .75rem; letter-spacing: .24em; text-transform: uppercase;
  color: var(--cp-primary); font-weight: 500; margin-bottom: .9rem;
}
.dot { display: inline-block; width: 12px; height: 12px; border-radius: 50%; border: 2px solid var(--cp-text); flex: none; }
.dot--sun { background: var(--cp-sun); }
.dot--sky { background: var(--cp-sky); }
.dot--coral { background: var(--cp-coral); }
.dot--violet { background: var(--cp-violet); }
.dot--lime { background: var(--cp-accent); }

.section__title {
  font-size: clamp(1.9rem, 3.5vw, 2.8rem); font-weight: 800; margin-bottom: 1.2rem;
}
.section__head { max-width: 760px; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section__lead { font-size: 1.05rem; color: var(--cp-muted); margin: 0; }
.section__more { display: flex; justify-content: center; margin-top: clamp(2rem, 4vw, 3rem); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .85rem 1.5rem; border-radius: 999px; font-family: var(--font-display); font-weight: 700;
  text-decoration: none; border: 2.5px solid var(--cp-text); line-height: 1.2; white-space: nowrap;
  transition: transform 420ms var(--ease-bounce), box-shadow 420ms var(--ease-bounce), padding 420ms var(--ease-bounce), background-color 300ms;
}
.btn--lg { padding: 1.05rem 2rem; font-size: 1.05rem; }
.btn--primary { background: var(--cp-primary); color: #fff; box-shadow: 0 4px 0 var(--cp-deeper); }
.btn--primary:hover { background: #55891A; }
.btn--sun { background: var(--cp-sun); color: var(--cp-text); box-shadow: 0 4px 0 var(--cp-sun-deep); }
.btn--outline { background: var(--cp-white); color: var(--cp-primary); border-color: var(--cp-primary); box-shadow: 0 4px 0 var(--cp-primary); }
.btn:hover { transform: translateY(-3px); padding-left: 1.75rem; padding-right: 1.75rem; }
.btn--lg:hover { padding-left: 2.25rem; padding-right: 2.25rem; }
.btn--primary:hover { box-shadow: 0 7px 0 var(--cp-deeper); }
.btn--sun:hover { box-shadow: 0 7px 0 var(--cp-sun-deep); }
.btn--outline:hover { box-shadow: 0 7px 0 var(--cp-primary); }
.btn:active { transform: translateY(1px); box-shadow: 0 2px 0 currentColor; }
.btn:focus-visible { outline: 3px solid var(--cp-sky); outline-offset: 3px; }
.btn__spark { font-size: .9em; }

.badge {
  display: inline-block; padding: .5rem 1.1rem; border-radius: 999px; font-family: var(--font-display); font-weight: 700;
  font-size: .95rem; border: 2.5px solid var(--cp-text); margin: 0 0 1.4rem;
}
.badge--accent { background: var(--cp-accent); color: var(--cp-text); box-shadow: 0 4px 0 var(--cp-text); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(247, 254, 231, .86);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 2px solid transparent; transition: border-color 300ms, box-shadow 300ms;
}
.site-header.is-scrolled { border-bottom-color: var(--cp-line); box-shadow: 0 4px 16px rgba(26, 46, 14, .06); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 84px; }
.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; color: var(--cp-text); }
.brand__logo { width: 48px; height: 48px; border-radius: 50%; }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name { font-family: var(--font-display); font-weight: 800; font-size: 1.35rem; }
.brand__sub { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .16em; color: var(--cp-primary); }

.site-nav__list { display: flex; gap: clamp(1rem, 2.5vw, 2.25rem); }
.site-nav__list a {
  font-family: var(--font-display); font-weight: 700; color: var(--cp-text); text-decoration: none; font-size: 1rem;
  padding: .35rem .1rem; position: relative;
}
.site-nav__list a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 4px; border-radius: 4px;
  background: var(--cp-accent); transform: scaleX(0); transform-origin: left; transition: transform 360ms var(--ease-bounce);
}
.site-nav__list a:hover::after, .site-nav__list a[aria-current="page"]::after { transform: scaleX(1); }
.site-header__cta { font-size: .95rem; }

.burger {
  display: none; width: 48px; height: 48px; border: 2.5px solid var(--cp-text); border-radius: 14px; background: var(--cp-white);
  box-shadow: 0 3px 0 var(--cp-text); flex-direction: column; align-items: center; justify-content: center; gap: 5px; padding: 0;
}
.burger__bar { width: 22px; height: 3px; border-radius: 3px; background: var(--cp-text); transition: transform 300ms, opacity 300ms; }
.burger[aria-expanded="true"] .burger__bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.burger[aria-expanded="true"] .burger__bar:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] .burger__bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Drawer (body 直下・overlay と兄弟) ---------- */
.drawer-backdrop {
  position: fixed; inset: 0; z-index: 90; background: rgba(26, 46, 14, .45);
  opacity: 0; transition: opacity 300ms;
}
.drawer-backdrop:not([hidden]) { opacity: 1; }
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 100; width: min(86vw, 360px);
  background: var(--cp-bg); border-left: 3px solid var(--cp-text); padding: 1.25rem 1.5rem 2rem;
  display: flex; flex-direction: column; gap: 1.25rem; overflow-y: auto;
  transform: translateX(105%); transition: transform 480ms var(--ease-bounce), visibility 0s linear 480ms; visibility: hidden;
}
.drawer.is-open { transform: translateX(0); visibility: visible; transition: transform 480ms var(--ease-bounce), visibility 0s; }
.drawer__head { display: flex; align-items: center; justify-content: space-between; }
.drawer__title { font-family: var(--font-display); font-weight: 800; font-size: 1.2rem; }
.drawer__close {
  width: 44px; height: 44px; border-radius: 12px; border: 2.5px solid var(--cp-text); background: var(--cp-white);
  display: inline-flex; align-items: center; justify-content: center; color: var(--cp-text); box-shadow: 0 3px 0 var(--cp-text);
}
.drawer__list { display: flex; flex-direction: column; gap: .35rem; }
.drawer__list a {
  display: block; padding: .85rem 1rem; border-radius: var(--radius-sm); font-family: var(--font-display); font-weight: 700;
  font-size: 1.1rem; color: var(--cp-text); text-decoration: none; border: 2.5px solid transparent;
}
.drawer__list a:hover, .drawer__list a[aria-current="page"] { background: var(--cp-white); border-color: var(--cp-text); box-shadow: 0 3px 0 var(--cp-accent); }
.drawer__cta { align-self: stretch; }
.drawer__tel { display: inline-flex; align-items: center; gap: .5rem; font-family: var(--font-num); font-weight: 600; font-size: 1.2rem; color: var(--cp-text); text-decoration: none; }
body.drawer-open { overflow: hidden; }

/* ---------- Fade-in (initial opacity 1) ---------- */
.fade-in { opacity: 1; transform: none; transition: transform 700ms var(--ease-bounce); }
html.js-enabled .fade-in:not(.is-in) { transform: translateY(8px); }

/* ---------- Section base ---------- */
.section { position: relative; padding: var(--section-pad) 0; isolation: isolate; overflow: hidden; }
.section__bg {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .18; z-index: -1; pointer-events: none;
}
.section__bg--soft { opacity: .14; }
.section__bg--cta { opacity: .35; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(4rem, 8vw, 7rem); isolation: isolate; }
.hero__blob { position: absolute; border-radius: 50%; filter: blur(60px); z-index: -1; pointer-events: none; }
.hero__blob--sun { width: 60vw; height: 60vw; max-width: 720px; max-height: 720px; right: -10vw; top: -20vw; background: radial-gradient(circle, rgba(250, 204, 21, .55), transparent 65%); }
.hero__blob--lime { width: 50vw; height: 50vw; max-width: 560px; max-height: 560px; left: -12vw; bottom: -18vw; background: radial-gradient(circle, rgba(132, 204, 22, .5), transparent 65%); }
.hero__blob--sky { width: 34vw; height: 34vw; max-width: 420px; max-height: 420px; right: 4vw; bottom: -14vw; background: radial-gradient(circle, rgba(56, 189, 248, .45), transparent 65%); }
.hero__inner { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); align-items: center; gap: clamp(2rem, 5vw, 5rem); }
.hero__title { font-size: clamp(2.6rem, 5.5vw, 4.6rem); font-weight: 800; line-height: 1.18; margin-bottom: 1.4rem; }
.hero__lead { font-size: 1.1rem; color: var(--cp-muted); max-width: 32em; margin-bottom: 2rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 2rem; }
.hero__facts { display: flex; flex-wrap: wrap; gap: .75rem 1.5rem; font-family: var(--font-display); font-weight: 700; font-size: .95rem; }
.hero__facts li { display: inline-flex; align-items: center; gap: .5rem; }

.hero__visual { position: relative; justify-self: center; width: min(100%, 560px); }
.hero__ring {
  position: relative; aspect-ratio: 1 / 1; border-radius: 50%; overflow: hidden; border: 6px solid var(--cp-deeper);
  box-shadow: 18px 18px 0 var(--cp-sun); background: var(--cp-lime-soft);
}
.hero__ring picture { display: block; width: 100%; height: 100%; }
.hero__ring img, .hero__img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero__star { position: absolute; z-index: 2; }
.hero__star--a { top: -6%; left: 2%; animation: floaty 5s ease-in-out infinite; }
.hero__star--b { bottom: 6%; right: -3%; animation: floaty 6s ease-in-out infinite 1s; }
.hero__sprout { position: absolute; top: 12%; right: -8%; z-index: 2; animation: floaty 7s ease-in-out infinite .5s; }
@keyframes floaty { 0%, 100% { transform: translateY(0) rotate(0); } 50% { transform: translateY(-10px) rotate(6deg); } }

/* ---------- Cards ---------- */
.card {
  background: var(--cp-white); border: 3px solid var(--cp-text); border-radius: var(--radius); padding: 1.5rem;
  box-shadow: var(--shadow-card); transition: transform 420ms var(--ease-bounce), box-shadow 420ms var(--ease-bounce);
}
.card:hover { transform: translateY(-4px); }
.card--sun { border-color: var(--cp-sun); box-shadow: 0 4px 0 var(--cp-sun); }
.card--sky { border-color: var(--cp-sky); box-shadow: 0 4px 0 var(--cp-sky); }
.card--coral { border-color: var(--cp-coral); box-shadow: 0 4px 0 var(--cp-coral); }
.card--violet { border-color: var(--cp-violet); box-shadow: 0 4px 0 var(--cp-violet); }
.card--lime { border-color: var(--cp-accent); box-shadow: 0 4px 0 var(--cp-accent); }
.card--sun:hover { box-shadow: 0 8px 0 var(--cp-sun); }
.card--sky:hover { box-shadow: 0 8px 0 var(--cp-sky); }
.card--coral:hover { box-shadow: 0 8px 0 var(--cp-coral); }
.card--violet:hover { box-shadow: 0 8px 0 var(--cp-violet); }
.card--lime:hover { box-shadow: 0 8px 0 var(--cp-accent); }
.card__icon {
  width: 56px; height: 56px; border-radius: 16px; display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 1rem; color: var(--cp-text); border: 2.5px solid var(--cp-text);
}
.card--sun .card__icon { background: var(--cp-sun-soft); }
.card--sky .card__icon { background: var(--cp-sky-soft); }
.card--coral .card__icon { background: var(--cp-coral-soft); }
.card--violet .card__icon { background: var(--cp-violet-soft); }
.card--lime .card__icon { background: var(--cp-lime-soft); }
.card__title { font-size: clamp(1.2rem, 2vw, 1.4rem); font-weight: 700; margin-bottom: .6rem; }
.card__text { margin: 0; color: var(--cp-muted); font-size: .97rem; }

.target-grid, .example-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; }

/* ---------- Why ---------- */
.section--why { background: var(--cp-white); }
.why-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem; }
.why { position: relative; padding: 2rem 1.75rem; background: var(--cp-bg); border-radius: var(--radius); border: 3px solid var(--cp-text); box-shadow: 0 6px 0 var(--cp-text); }
.why__num {
  font-family: var(--font-num); font-weight: 700; font-size: 1.6rem; width: 64px; height: 64px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center; border: 3px solid var(--cp-text); margin-bottom: 1.2rem;
}
.why__num--sun { background: var(--cp-sun); }
.why__num--coral { background: var(--cp-coral); }
.why__num--violet { background: var(--cp-violet); }
.why__title { font-size: clamp(1.25rem, 2vw, 1.5rem); font-weight: 800; margin-bottom: .7rem; }
.why__text { margin: 0; color: var(--cp-muted); }

/* ---------- Stats ---------- */
.section--stats { padding: clamp(3rem, 6vw, 5rem) 0; background: linear-gradient(135deg, var(--cp-primary), color-mix(in oklab, var(--cp-primary) 55%, var(--cp-accent))); }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.5rem; }
.stat {
  text-align: center; padding: 2rem 1rem; border-radius: var(--radius); background: var(--cp-white); border: 3px solid var(--cp-text);
}
.stat--sun { box-shadow: 0 6px 0 var(--cp-sun); }
.stat--sky { box-shadow: 0 6px 0 var(--cp-sky); }
.stat--coral { box-shadow: 0 6px 0 var(--cp-coral); }
.stat--violet { box-shadow: 0 6px 0 var(--cp-violet); }
.stat dt { display: flex; align-items: baseline; justify-content: center; gap: .15rem; font-family: var(--font-num); position: relative; }
.stat dt::before {
  content: ""; position: absolute; width: 84px; height: 84px; border-radius: 50%; left: 50%; top: 50%; transform: translate(-50%, -50%); z-index: -1; opacity: .9;
}
.stat { isolation: isolate; }
.stat--sun dt::before { background: var(--cp-sun-soft); }
.stat--sky dt::before { background: var(--cp-sky-soft); }
.stat--coral dt::before { background: var(--cp-coral-soft); }
.stat--violet dt::before { background: var(--cp-violet-soft); }
.stat__num { font-size: clamp(2.4rem, 4vw, 3.4rem); font-weight: 700; color: var(--cp-text); line-height: 1; }
.stat__unit { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; color: var(--cp-primary); }
.stat__unit--pre { margin-right: .2rem; }
.stat dd { margin-top: .6rem; font-weight: 700; font-family: var(--font-display); color: var(--cp-muted); }

/* ---------- Lessons (top) ---------- */
.lesson-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; }
.lesson { background: var(--cp-white); border: 3px solid var(--cp-text); border-radius: var(--radius); overflow: hidden; box-shadow: 0 6px 0 var(--cp-text); transition: transform 420ms var(--ease-bounce); }
.lesson:hover { transform: translateY(-4px); }
.lesson__media { aspect-ratio: 4 / 3; overflow: hidden; border-bottom: 3px solid var(--cp-text); }
.lesson__media--sun { background: var(--cp-sun-soft); }
.lesson__media--sky { background: var(--cp-sky-soft); }
.lesson__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 800ms var(--ease-out); }
.lesson:hover .lesson__media img { transform: scale(1.04); }
.lesson__body { padding: 1.75rem; }
.lesson__tag { display: inline-block; font-family: var(--font-display); font-weight: 700; font-size: .85rem; padding: .3rem .9rem; border-radius: 999px; border: 2px solid var(--cp-text); margin-bottom: .8rem; }
.lesson__tag--sun { background: var(--cp-sun); }
.lesson__tag--sky { background: var(--cp-sky); }
.lesson__title { font-size: clamp(1.25rem, 2vw, 1.5rem); font-weight: 800; margin-bottom: .7rem; }
.lesson__text { margin: 0; color: var(--cp-muted); }

/* ---------- Message ---------- */
.section--message { background: var(--cp-lime-soft); }
.message { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.message__photo, .rep__photo { position: relative; }
.message__frame, .rep__frame { border-radius: 32px; overflow: hidden; border: 4px solid var(--cp-text); box-shadow: 14px 14px 0 var(--cp-violet); aspect-ratio: 4 / 5; }
.message__frame img, .rep__frame img { width: 100%; height: 100%; object-fit: cover; }
.message__deco, .rep__deco { position: absolute; top: -24px; right: -12px; animation: floaty 6s ease-in-out infinite; }
.message__body p { font-size: 1.02rem; }
.message__sign { display: flex; flex-direction: column; margin: 1.5rem 0; }
.message__role { font-size: .85rem; color: var(--cp-muted); }
.message__name { font-family: var(--font-display); font-weight: 800; font-size: 1.5rem; }

/* ---------- Instagram ---------- */
.section--insta { background: var(--cp-white); }
.insta { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.insta__list { display: flex; flex-direction: column; gap: 1rem; margin: 1.5rem 0; }
.insta__item { display: flex; align-items: flex-start; gap: 1rem; padding: 1rem 1.25rem; background: var(--cp-bg); border-radius: var(--radius-sm); border: 2.5px solid var(--cp-text); }
.insta__item--coral { box-shadow: 0 4px 0 var(--cp-coral); }
.insta__item--sky { box-shadow: 0 4px 0 var(--cp-sky); }
.insta__item strong { font-family: var(--font-display); font-size: 1.05rem; }
.insta__icon { width: 44px; height: 44px; border-radius: 12px; border: 2.5px solid var(--cp-text); display: inline-flex; align-items: center; justify-content: center; flex: none; background: var(--cp-white); }
.insta__note { font-size: .9rem; color: var(--cp-muted); }
.insta__visual { position: relative; justify-self: center; width: min(100%, 340px); }
.insta__phone { border-radius: 36px; border: 5px solid var(--cp-text); overflow: hidden; aspect-ratio: 3 / 4; box-shadow: 12px 12px 0 var(--cp-sun); background: var(--cp-sun-soft); }
.insta__phone img { width: 100%; height: 100%; object-fit: cover; }
.insta__star { position: absolute; bottom: -18px; left: -22px; animation: floaty 5s ease-in-out infinite; }

/* ---------- News / FAQ (details) ---------- */
.news-list, .faq-list { display: flex; flex-direction: column; gap: 1rem; }
.news, .faq { background: var(--cp-white); border: 3px solid var(--cp-text); border-radius: var(--radius-sm); overflow: hidden; }
.news--sun, .faq--sun { box-shadow: 0 4px 0 var(--cp-sun); }
.news--coral, .faq--coral { box-shadow: 0 4px 0 var(--cp-coral); }
.faq--sky { box-shadow: 0 4px 0 var(--cp-sky); }
.faq--violet { box-shadow: 0 4px 0 var(--cp-violet); }
.faq--lime { box-shadow: 0 4px 0 var(--cp-accent); }
.news summary, .faq summary {
  display: flex; align-items: center; flex-wrap: wrap; gap: .6rem 1rem; padding: 1.1rem 3rem 1.1rem 1.25rem; cursor: pointer; list-style: none;
  font-family: var(--font-display); font-weight: 700; position: relative;
}
.news summary::-webkit-details-marker, .faq summary::-webkit-details-marker { display: none; }
.news summary::after, .faq summary::after {
  content: ""; position: absolute; right: 1.25rem; top: 50%; width: 10px; height: 10px; border-right: 3px solid var(--cp-text); border-bottom: 3px solid var(--cp-text);
  transform: translateY(-70%) rotate(45deg); transition: transform 300ms var(--ease-bounce);
}
.news[open] summary::after, .faq[open] summary::after { transform: translateY(-30%) rotate(225deg); }
.news__date { font-family: var(--font-mono); font-size: .8rem; color: var(--cp-muted); letter-spacing: .08em; }
.news__label { font-size: .75rem; padding: .15rem .7rem; border-radius: 999px; background: var(--cp-sun); border: 2px solid var(--cp-text); }
.news--coral .news__label { background: var(--cp-coral); }
.news__title { flex: 1 1 100%; }
.news__body, .faq__a { padding: 0 1.25rem 1.25rem; color: var(--cp-muted); }
.faq__q, .faq__a-mark { font-family: var(--font-num); font-weight: 700; width: 32px; height: 32px; border-radius: 50%; border: 2.5px solid var(--cp-text); display: inline-flex; align-items: center; justify-content: center; flex: none; }
.faq__q { background: var(--cp-sun); }
.faq__a { display: flex; gap: .8rem; align-items: flex-start; }
.faq__a-mark { background: var(--cp-accent); }
.faq__a p { margin: .2rem 0 0; }

/* ---------- CTA ---------- */
.section--cta { background: linear-gradient(135deg, var(--cp-lime-soft), var(--cp-sun-soft)); }
.cta__panel {
  max-width: 820px; margin: 0 auto; text-align: center; background: var(--cp-white); border: 3px solid var(--cp-text); border-radius: 28px;
  padding: clamp(2rem, 5vw, 3.5rem); box-shadow: 0 8px 0 var(--cp-primary);
}
.cta__panel .eyebrow { justify-content: center; }
.cta__text { color: var(--cp-muted); max-width: 34em; margin: 0 auto 1.75rem; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; margin-bottom: 1.5rem; }
.cta__address { margin: 0; font-size: .9rem; color: var(--cp-muted); }

/* ---------- Sub page hero (generator が背景画像を CSS 変数で配置) ---------- */
.cp-page-hero {
  position: relative; isolation: isolate; overflow: hidden;
  padding: clamp(4rem, 10vw, 8rem) 0 clamp(3rem, 6vw, 5rem);
  background-color: var(--cp-lime-soft);
  background-size: cover; background-position: center;
}
.cp-page-hero__inner { position: relative; z-index: 2; }
.cp-page-hero__panel {
  display: inline-block; max-width: 720px; background: rgba(255, 255, 255, .94); border: 3px solid var(--cp-text); border-radius: 28px;
  padding: clamp(1.5rem, 4vw, 2.5rem) clamp(1.5rem, 4vw, 3rem); box-shadow: 0 8px 0 var(--cp-primary);
}
.cp-page-hero__title { font-size: clamp(2.2rem, 4.5vw, 3.6rem); font-weight: 800; margin-bottom: .8rem; }
.u-nowrap { display: inline-block; }
.cp-page-hero__lead { margin: 0; color: var(--cp-muted); font-size: 1.05rem; }

/* ---------- About ---------- */
.concept { display: grid; grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.concept__plate { text-align: center; background: var(--cp-white); border: 3px solid var(--cp-text); border-radius: 32px; padding: 2.5rem 1.5rem; box-shadow: 0 8px 0 var(--cp-sun); }
.concept__logo { width: 200px; height: 200px; margin: 0 auto 1rem; }
.concept__brand { font-size: 2.4rem; font-weight: 800; }
.concept__kana { font-family: var(--font-mono); letter-spacing: .2em; color: var(--cp-primary); margin: 0; font-size: .85rem; }
.check-list { display: flex; flex-direction: column; gap: .7rem; margin-top: 1.5rem; }
.check-list li { display: flex; align-items: center; gap: .7rem; font-weight: 700; font-family: var(--font-display); }
.check { width: 28px; height: 28px; border-radius: 50%; border: 2.5px solid var(--cp-text); display: inline-flex; align-items: center; justify-content: center; font-size: .85rem; flex: none; font-family: var(--font-num); }
.check--sun { background: var(--cp-sun); }
.check--sky { background: var(--cp-sky); }
.check--coral { background: var(--cp-coral); }
.check--violet { background: var(--cp-violet); }

.section--approach { background: var(--cp-white); }
.compare { display: grid; grid-template-columns: 1fr 1fr 1.4fr; gap: 1.25rem; margin-bottom: 3rem; align-items: stretch; }
.compare__col { border-radius: var(--radius); padding: 1.5rem; border: 3px solid var(--cp-line); text-align: center; position: relative; }
.compare__col--muted { background: #F1F5F9; color: var(--cp-muted); }
.compare__col--hero { background: var(--cp-lime-soft); border-color: var(--cp-primary); box-shadow: 0 6px 0 var(--cp-primary); padding-top: 2.6rem; }
.compare__badge { position: absolute; top: -16px; left: 50%; transform: translateX(-50%); background: var(--cp-sun); border: 2.5px solid var(--cp-text); border-radius: 999px; padding: .25rem .9rem; font-family: var(--font-display); font-weight: 700; font-size: .85rem; white-space: nowrap; margin: 0; }
.compare__label { font-family: var(--font-display); font-weight: 800; font-size: 1.25rem; margin-bottom: .4rem; }
.compare__desc { margin: 0; font-size: .95rem; }
.compare__brain { margin: 1rem auto 0; }
.approach-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; }

.rep { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.rep__frame { box-shadow: 14px 14px 0 var(--cp-sky); }
.rep__name { font-family: var(--font-display); font-weight: 800; font-size: 1.8rem; display: flex; align-items: baseline; gap: .8rem; flex-wrap: wrap; }
.rep__kana { font-family: var(--font-mono); font-size: .8rem; letter-spacing: .16em; color: var(--cp-muted); }
.rep__quote { margin: 1.5rem 0 0; padding: 1.25rem 1.5rem; background: var(--cp-white); border-radius: var(--radius-sm); border: 3px solid var(--cp-text); box-shadow: 0 4px 0 var(--cp-coral); }
.rep__quote p { margin: 0; font-family: var(--font-display); font-weight: 700; }

.section--overview { background: var(--cp-white); }
.overview, .access { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.overview__table, .access__table { border-top: 2px solid var(--cp-line); }
.overview__table > div, .access__table > div { display: grid; grid-template-columns: 7em 1fr; gap: 1rem; padding: 1rem 0; border-bottom: 2px solid var(--cp-line); }
.overview__table dt, .access__table dt { font-family: var(--font-display); font-weight: 700; color: var(--cp-primary); }
.overview__kana { font-size: .8rem; color: var(--cp-muted); }
.overview__frame { border-radius: 28px; overflow: hidden; border: 4px solid var(--cp-text); box-shadow: 14px 14px 0 var(--cp-accent); aspect-ratio: 9 / 7; }
.overview__frame img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Services ---------- */
.philosophy { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.philosophy__visual { position: relative; }
.philosophy__frame { border-radius: 28px; overflow: hidden; border: 4px solid var(--cp-text); aspect-ratio: 9 / 7; }
.philosophy__frame--sky { box-shadow: 14px 14px 0 var(--cp-sky); }
.philosophy__frame img { width: 100%; height: 100%; object-fit: cover; }
.philosophy__star { position: absolute; top: -20px; left: -18px; animation: floaty 5s ease-in-out infinite; }

.section--ages { background: var(--cp-white); }
.age-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; }
.age { background: var(--cp-bg); border: 3px solid var(--cp-text); border-radius: var(--radius); overflow: hidden; transition: transform 420ms var(--ease-bounce); }
.age:hover { transform: translateY(-4px); }
.age--sun { box-shadow: 0 6px 0 var(--cp-sun); }
.age--violet { box-shadow: 0 6px 0 var(--cp-violet); }
.age__media { aspect-ratio: 4 / 3; overflow: hidden; border-bottom: 3px solid var(--cp-text); }
.age__media img { width: 100%; height: 100%; object-fit: cover; }
.age__body { padding: 1.75rem; }
.age__tag { display: inline-block; font-family: var(--font-display); font-weight: 700; font-size: .85rem; padding: .3rem .9rem; border-radius: 999px; border: 2px solid var(--cp-text); margin-bottom: .8rem; }
.age--sun .age__tag { background: var(--cp-sun); }
.age--violet .age__tag { background: var(--cp-violet); }
.age__title { font-size: clamp(1.25rem, 2vw, 1.5rem); font-weight: 800; margin-bottom: .7rem; }
.age__body p { color: var(--cp-muted); }
.age__points { display: flex; flex-direction: column; gap: .4rem; margin-top: 1rem; }
.age__points li { padding-left: 1.4rem; position: relative; font-weight: 700; font-family: var(--font-display); font-size: .95rem; }
.age__points li::before { content: ""; position: absolute; left: 0; top: .55em; width: 12px; height: 12px; border-radius: 50%; border: 2px solid var(--cp-text); background: var(--cp-accent); }

.section--price { background: var(--cp-lime-soft); }
.price {
  position: relative; text-align: center; background: var(--cp-white); border: 3px solid var(--cp-text); border-radius: 32px;
  padding: clamp(2.5rem, 5vw, 3.5rem) clamp(1.5rem, 4vw, 3rem); box-shadow: 0 10px 0 var(--cp-coral);
}
.price__badge { position: absolute; top: -18px; left: 50%; transform: translateX(-50%); background: var(--cp-sun); border: 2.5px solid var(--cp-text); border-radius: 999px; padding: .3rem 1.1rem; font-family: var(--font-display); font-weight: 700; margin: 0; white-space: nowrap; }
.price__label { font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; color: var(--cp-primary); margin-bottom: .4rem; }
.price__amount { display: flex; align-items: baseline; justify-content: center; gap: .3rem; margin-bottom: 1.5rem; }
.price__num { font-family: var(--font-num); font-weight: 700; font-size: clamp(3rem, 7vw, 5rem); line-height: 1; }
.price__unit { font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; }
.price__points { display: inline-flex; flex-direction: column; gap: .7rem; text-align: left; margin: 0 auto 2rem; }
.price__points li { display: flex; align-items: center; gap: .7rem; font-weight: 700; font-family: var(--font-display); }
.price__note { margin: 1.25rem 0 0; font-size: .9rem; color: var(--cp-muted); }

/* ---------- Contact ---------- */
.ways-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.way {
  display: flex; flex-direction: column; align-items: flex-start; gap: .4rem; padding: 1.75rem; background: var(--cp-white); border: 3px solid var(--cp-text);
  border-radius: var(--radius); text-decoration: none; color: var(--cp-text); transition: transform 420ms var(--ease-bounce), box-shadow 420ms var(--ease-bounce);
}
.way--sun { box-shadow: 0 6px 0 var(--cp-sun); }
.way--sky { box-shadow: 0 6px 0 var(--cp-sky); }
.way:hover { transform: translateY(-4px); }
.way--sun:hover { box-shadow: 0 10px 0 var(--cp-sun); }
.way--sky:hover { box-shadow: 0 10px 0 var(--cp-sky); }
.way__icon { width: 60px; height: 60px; border-radius: 18px; border: 2.5px solid var(--cp-text); display: inline-flex; align-items: center; justify-content: center; margin-bottom: .5rem; }
.way--sun .way__icon { background: var(--cp-sun-soft); }
.way--sky .way__icon { background: var(--cp-sky-soft); }
.way__label { font-family: var(--font-mono); font-size: .8rem; letter-spacing: .16em; color: var(--cp-muted); }
.way__value { font-family: var(--font-num); font-weight: 700; font-size: 1.8rem; line-height: 1.1; }
.way__note { font-size: .9rem; color: var(--cp-muted); }

.section--form { background: var(--cp-white); }
.form-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.form-layout__visual { border-radius: 24px; overflow: hidden; border: 3px solid var(--cp-text); box-shadow: 10px 10px 0 var(--cp-sky); margin-top: 1.5rem; aspect-ratio: 4 / 3; }
.form-layout__visual img { width: 100%; height: 100%; object-fit: cover; }
.contact-form { background: var(--cp-bg); border: 3px solid var(--cp-text); border-radius: 28px; padding: clamp(1.5rem, 4vw, 2.5rem); box-shadow: 0 8px 0 var(--cp-primary); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.field { display: flex; flex-direction: column; gap: .4rem; }
.field--full { grid-column: 1 / -1; }
.field label { font-family: var(--font-display); font-weight: 700; font-size: .95rem; }
.req { display: inline-block; font-size: .7rem; padding: .1rem .5rem; border-radius: 999px; background: var(--cp-coral); border: 2px solid var(--cp-text); margin-left: .4rem; vertical-align: middle; }
.field input, .field select, .field textarea {
  width: 100%; padding: .8rem 1rem; border: 2.5px solid var(--cp-text); border-radius: 14px; background: var(--cp-white); color: var(--cp-text);
  transition: box-shadow 200ms, border-color 200ms;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--cp-primary); box-shadow: 0 0 0 4px rgba(132, 204, 22, .35); }
.field textarea { resize: vertical; min-height: 140px; }
.field__help { margin: .3rem 0 0; font-size: .82rem; color: var(--cp-muted); }
#contact-otp-block[hidden] { display: none !important; }
#contact-otp-block { margin-top: 1.25rem; padding: 1.25rem; background: var(--cp-sky-soft); border: 2.5px dashed var(--cp-sky-deep); border-radius: 16px; }
.field--agree { margin-top: 1.25rem; }
.agree { display: flex; align-items: flex-start; gap: .7rem; font-weight: 500; font-family: var(--font-body); font-size: .92rem; cursor: pointer; }
.agree input { width: 20px; height: 20px; margin: .2rem 0 0; accent-color: var(--cp-primary); flex: none; }
.cf-turnstile { margin: 1.25rem 0; }
.form-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 1rem; }
#contact-status { margin: 0; font-weight: 700; }
#contact-status.is-success { padding: 1rem 1.25rem; background: var(--cp-lime-soft); border: 2.5px solid var(--cp-primary); border-radius: 14px; }

.cp-map { border-radius: 24px; overflow: hidden; border: 3px solid var(--cp-text); box-shadow: 12px 12px 0 var(--cp-violet); background: var(--cp-white); }
.cp-map iframe { display: block; width: 100%; height: 420px; border: 0; background: var(--cp-sky-soft); }
.cp-map__link {
  display: block; padding: .85rem 1rem; text-align: center; font-family: var(--font-display); font-weight: 700;
  color: var(--cp-primary); background: var(--cp-bg); border-top: 3px solid var(--cp-text); text-decoration: none;
}
.cp-map__link:hover { background: var(--cp-lime-soft); text-decoration: underline; }
.cp-map__address { margin: 0; padding: .6rem 1rem 0; font-size: .9rem; color: var(--cp-muted); text-align: center; background: var(--cp-bg); }

/* 画像が読み込めなかった場合は空枠を出さない (main.js が is-missing を付与) */
.lesson__media.is-missing, .age__media.is-missing, .message__frame.is-missing, .rep__frame.is-missing,
.overview__frame.is-missing, .philosophy__frame.is-missing, .insta__phone.is-missing, .form-layout__visual.is-missing { display: none; }
.is-missing + .message__deco, .is-missing + .rep__deco, .is-missing + .insta__star, .is-missing + .philosophy__star { display: none; }
.access__note { font-size: .9rem; color: var(--cp-muted); margin-top: 1rem; }
.section--examples { background: var(--cp-white); }

/* ---------- Footer ---------- */
.site-footer { position: relative; isolation: isolate; background: var(--cp-deeper); color: #fff; overflow: hidden; }
.site-footer__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .16; z-index: 0; pointer-events: none; }
.site-footer__particles { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.site-footer__inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; padding-top: clamp(3rem, 6vw, 5rem); padding-bottom: clamp(2rem, 4vw, 3rem); }
.site-footer__brand { display: flex; align-items: flex-start; gap: .9rem; }
.site-footer__brand img { border-radius: 50%; flex: none; }
.site-footer__name { font-family: var(--font-display); font-weight: 800; font-size: 1.2rem; margin: 0 0 .3rem; }
.site-footer__tagline { margin: 0; font-size: .9rem; color: #D9F99D; }
.site-footer__nav ul { display: flex; flex-direction: column; gap: .5rem; }
.site-footer__nav a { color: #fff; text-decoration: none; font-family: var(--font-display); font-weight: 700; }
.site-footer__nav a:hover { color: var(--cp-sun); }
.site-footer__address { font-size: .92rem; }
.site-footer__address p { margin: 0 0 .5rem; }
.site-footer__address a { color: #fff; font-family: var(--font-num); font-weight: 600; font-size: 1.05rem; }
.site-footer__bottom { position: relative; z-index: 2; text-align: center; padding: 1.25rem var(--gutter); border-top: 1px solid rgba(255, 255, 255, .18); font-size: .85rem; color: #D9F99D; }

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 60; width: 48px; height: 48px; border-radius: 999px;
  background: var(--cp-accent); color: var(--cp-text); border: 2.5px solid var(--cp-text); box-shadow: 0 4px 0 var(--cp-text);
  display: inline-flex; align-items: center; justify-content: center; opacity: 0; transform: translateY(12px);
  transition: opacity 300ms, transform 420ms var(--ease-bounce);
}
.back-to-top.is-visible { opacity: 1; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-3px); box-shadow: 0 7px 0 var(--cp-text); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .why-grid { grid-template-columns: 1fr; }
  .site-footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { width: min(100%, 440px); }
  .message, .insta, .concept, .rep, .overview, .access, .philosophy, .form-layout { grid-template-columns: 1fr; }
  .lesson-grid, .age-grid, .ways-grid { grid-template-columns: 1fr; }
  .compare { grid-template-columns: 1fr; }
  .compare__col--hero { order: -1; }
  .site-header__inner { gap: 1rem; min-height: 72px; }
  .site-nav__list { gap: .9rem; }
  .site-nav__list a { font-size: .9rem; }
  .site-header__cta { font-size: .85rem; padding: .7rem 1.1rem; }
  .brand__name { font-size: 1.15rem; }
  .insta__visual { width: min(100%, 300px); }
  .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .site-header__inner { display: flex; justify-content: space-between; align-items: center; min-height: 68px; }
  .site-nav { display: none; }
  .site-header__cta { display: none; }
  .burger { display: inline-flex; }
  .brand__logo { width: 38px; height: 38px; }
  .brand__name { font-size: 1.05rem; letter-spacing: .02em; }
  .brand__sub { font-size: .62rem; }
  .hero { padding-top: 1.5rem; }
  .hero__title { font-size: clamp(2rem, 9vw, 2.6rem); }
  .hero__lead { font-size: 1rem; }
  .hero__ring { box-shadow: 10px 10px 0 var(--cp-sun); }
  .section { padding: 4rem 0; }
  .container { padding-left: 1.25rem; padding-right: 1.25rem; }
  .stats { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .stat { padding: 1.4rem .5rem; }
  .cp-map iframe { height: 280px; }
  .site-footer__inner { grid-template-columns: 1fr; }
  .message__frame, .rep__frame, .overview__frame, .philosophy__frame { box-shadow: 8px 8px 0 var(--cp-violet); }
  .btn--lg { width: 100%; }
  .cta__actions { flex-direction: column; }
  .overview__table > div, .access__table > div { grid-template-columns: 5.5em 1fr; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ai-hp enforced subpage hero backgrounds */
.aihp-subpage-hero--with-image {
  position: relative;
  background-image:
    linear-gradient(135deg, rgba(45, 72, 9, 0.9), rgba(45, 72, 9, 0.72)),
    var(--aihp-subpage-hero-image) !important;
  background-size: cover !important;
  background-position: center !important;
  background-repeat: no-repeat !important;
  overflow: hidden;
  isolation: isolate;
}
.aihp-subpage-hero--with-image > * {
  position: relative;
  z-index: 1;
}