/*
Theme Name: Noiku Lesson
Description: こども脳育×知育®︎音楽レッスン 保護者向け生徒募集サイト
Version: 1.0.0
*/

:root {
  --teal: #3aacbd;
  --teal-deep: #2b8c9c;
  --teal-pale: #dff3f6;
  --pink: #f27ba5;
  --pink-deep: #e8598d;
  --pink-pale: #ffe9f0;
  --yellow: #ffd84d;
  --yellow-pale: #fff6cf;
  --cream: #fffaf0;
  --ink: #5a4636;
  --line: #06c755;
  --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--cream); color: var(--ink);
  font-family: 'Zen Maru Gothic', 'Hiragino Maru Gothic ProN', 'Rounded Mplus 1c', sans-serif;
  font-weight: 500; font-size: 17px; line-height: 1.95; letter-spacing: .04em;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--teal-deep); }
h1, h2, h3, h4 { font-weight: 900; line-height: 1.5; margin: 0; }
p { margin: 0 0 1em; }
.nw { white-space: nowrap; display: inline-block; }
.reg { font-size: .5em; vertical-align: super; }
.wrap { width: min(1040px, 100% - 40px); margin-inline: auto; }
.wrap-narrow { width: min(780px, 100% - 40px); margin-inline: auto; }

/* ヘッダー */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96);
  border-bottom: 4px solid var(--yellow);
}
.site-header .inner {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  width: min(1140px, 100% - 28px); margin-inline: auto; padding: 8px 0;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand img { width: 50px; height: 50px; border-radius: 50%; }
.brand-text { line-height: 1.35; }
.brand-text small { display: block; font-size: .68rem; font-weight: 700; color: var(--teal-deep); letter-spacing: .06em; }
.brand-text strong { font-size: 1.02rem; font-weight: 900; }
.brand-text strong .c-pink { color: var(--pink-deep); }
.brand-text strong .c-teal { color: var(--teal); }
.gnav { display: flex; align-items: center; gap: 6px; }
.gnav a {
  text-decoration: none; color: var(--ink); font-weight: 700; font-size: .9rem;
  padding: .45em .95em; border-radius: 999px; transition: background .2s;
}
.gnav a:hover { background: var(--teal-pale); }
.gnav a.nav-line { background: var(--line); color: #fff; padding: .55em 1.3em; box-shadow: 0 4px 0 #04a045; }
.gnav a.nav-line:hover { background: #05b54d; }
.menu-btn { display: none; }

/* ボタン */
.btn-line {
  display: inline-flex; align-items: center; justify-content: center; gap: .6em;
  background: var(--line); color: #fff; text-decoration: none; font-weight: 900;
  font-size: 1.15rem; padding: .9em 2.2em; border-radius: 999px;
  box-shadow: 0 7px 0 #04a045; transition: transform .12s, box-shadow .12s;
}
.btn-line:hover { transform: translateY(3px); box-shadow: 0 4px 0 #04a045; }
.btn-line::before {
  content: "LINE"; font-size: .62em; font-weight: 900; background: #fff; color: var(--line);
  border-radius: 8px; padding: .25em .5em; letter-spacing: 0;
}
.btn-sub {
  display: inline-block; background: #fff; color: var(--teal-deep); text-decoration: none;
  font-weight: 900; padding: .75em 2em; border-radius: 999px; border: 3px solid var(--teal);
  box-shadow: 0 6px 0 var(--teal); transition: transform .12s, box-shadow .12s;
}
.btn-sub:hover { transform: translateY(3px); box-shadow: 0 3px 0 var(--teal); }
.btn-note { font-size: .88rem; margin-top: 1.1em; }

/* セクション共通 */
.sec { padding: 76px 0; position: relative; }
.sec-white { background: #fff; }
.sec-teal { background: var(--teal-pale); }
.sec-pink { background: var(--pink-pale); }
.sec-yellow { background: var(--yellow-pale); }
.wave { display: block; width: 100%; height: 46px; margin-bottom: -1px; }
.sec-title { text-align: center; margin-bottom: 44px; }
.sec-title .en {
  display: inline-block; font-size: .82rem; font-weight: 900; letter-spacing: .2em; color: #fff;
  background: var(--pink); border-radius: 999px; padding: .15em 1.3em; margin-bottom: .8em;
}
.sec-title h2 { font-size: clamp(1.5rem, 4.6vw, 2.15rem); }
.sec-title h2 .mark { background: linear-gradient(transparent 62%, var(--yellow) 62%); padding: 0 .1em; }
.lead { text-align: center; }
.c-pink { color: var(--pink-deep); }
.c-teal { color: var(--teal-deep); }

/* ヒーロー */
.hero { position: relative; overflow: hidden; padding: 44px 0 64px;
  background:
    radial-gradient(circle at 8% 20%, var(--pink-pale) 0 90px, transparent 91px),
    radial-gradient(circle at 94% 12%, var(--yellow-pale) 0 120px, transparent 121px),
    radial-gradient(circle at 86% 92%, var(--teal-pale) 0 150px, transparent 151px),
    var(--cream);
}
.hero .wrap { display: grid; grid-template-columns: 1.02fr 1fr; gap: 40px; align-items: center; }
.hero-badge {
  display: inline-block; background: var(--teal); color: #fff; font-weight: 900; font-size: .95rem;
  border-radius: 999px; padding: .3em 1.4em; margin-bottom: 1em;
}
.hero h1 { font-size: clamp(1.75rem, 4.5vw, 2.85rem); line-height: 1.6; margin-bottom: .55em; }
.hero h1 .big { color: var(--pink-deep); font-size: 1.2em; }
.hero h1 { font-size: clamp(1.5rem, 3.6vw, 2.4rem); }
.hero-four { display: block; font-weight: 900; font-size: 1.12em; color: var(--teal-deep); margin-bottom: .3em; }
.hero h1 .dots { background-image: radial-gradient(circle, var(--yellow) 30%, transparent 32%); background-size: 1em .32em; background-repeat: repeat-x; background-position: 0 -.02em; padding-top: .3em; }
.hero-sub { font-size: 1.05rem; font-weight: 700; margin-bottom: 1.6em; }
.hero-photo { position: relative; }
.hero-photo .blob {
  border-radius: 40px; overflow: hidden;
  aspect-ratio: 4 / 3;
}
.hero-photo .blob img { width: 100%; height: 100%; object-fit: cover; }
.hero-photo .chara { position: absolute; width: 30%; bottom: -8%; }
.hero-photo .chara.c1 { left: -6%; animation: hop 2.6s ease-in-out infinite; }
.hero-photo .chara.c2 { right: -4%; width: 25%; animation: hop 2.6s ease-in-out 1.3s infinite; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; margin: 0 0 1.8em; }
.hero-tags li {
  background: #fff; border: 3px solid var(--yellow); border-radius: 999px;
  font-weight: 900; font-size: .92rem; padding: .25em 1.1em;
}
@keyframes hop { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@media (prefers-reduced-motion: reduce) { .chara { animation: none !important; } html { scroll-behavior: auto; } }

/* お悩み */
.nayami { display: grid; grid-template-columns: 220px 1fr; gap: 36px; align-items: center; }
.nayami .chara { width: 200px; margin-inline: auto; }
.nayami ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.nayami li {
  position: relative; background: #fff; border: 3px solid var(--teal); border-radius: 22px;
  padding: .85em 1.2em .85em 3.2em; font-weight: 700;
}
.nayami li::before {
  content: "?"; position: absolute; left: .8em; top: 50%; transform: translateY(-50%);
  width: 1.7em; height: 1.7em; border-radius: 50%; background: var(--teal); color: #fff;
  font-weight: 900; display: grid; place-items: center; line-height: 1;
}
.answer {
  margin-top: 40px; text-align: center; font-weight: 900; font-size: clamp(1.15rem, 3.6vw, 1.5rem);
}

/* とは */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; }
.about-photo { border-radius: var(--radius); overflow: hidden; border: 8px solid #fff; box-shadow: 0 12px 0 var(--pink); }
.fact {
  background: #fff; border: 4px dashed var(--pink); border-radius: var(--radius);
  padding: 1.3em 1.4em; text-align: center; margin-top: 1.6em; font-weight: 700;
}
.fact strong { font-size: 2.3rem; color: var(--pink-deep); font-weight: 900; line-height: 1.2; }
.three { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 52px; }
.three > div { background: #fff; border-radius: var(--radius); padding: 1.6em 1.3em; text-align: center; }
.three .circle {
  width: 96px; height: 96px; border-radius: 50%; margin: 0 auto .8em; display: grid; place-items: center;
  font-size: 1.6rem; font-weight: 900; color: #fff; letter-spacing: 0;
}
.three > div:nth-child(1) .circle { background: var(--teal); }
.three > div:nth-child(2) .circle { background: var(--pink); }
.three > div:nth-child(3) .circle { background: #f5b800; }
.three h3 { font-size: 1.12rem; margin-bottom: .4em; }
.three.four { grid-template-columns: repeat(4, 1fr); gap: 18px; }
.three.four > div { padding: 1.5em 1em; }
.three.four > div:nth-child(4) .circle { background: #8fc96b; }
.three.four p { text-align: left; }
.three p { font-size: .95rem; margin: 0; line-height: 1.8; }

/* 育つ力 */
.chikara { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.chikara li {
  background: #fff; border-radius: 22px; padding: 1.1em .6em; text-align: center; font-weight: 900;
  border-bottom: 6px solid var(--yellow);
}
.chikara li:nth-child(3n+1) { border-color: var(--teal); }
.chikara li:nth-child(3n+2) { border-color: var(--pink); }
.chikara .ico { display: block; font-size: 2rem; line-height: 1.3; }

/* 年齢別 */
.ages { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.age-card {
  background: #fff; border-radius: var(--radius); overflow: hidden; text-decoration: none; color: var(--ink);
  border: 4px solid var(--teal-pale); display: block; transition: transform .15s;
}
a.age-card:hover { transform: translateY(-5px); }
.age-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.age-card .body { padding: 1em 1.2em 1.3em; }
.age-card h3 { font-size: 1.3rem; color: var(--teal-deep); margin-bottom: .3em; }
.age-card:nth-child(even) h3 { color: var(--pink-deep); }
.age-card p { font-size: .93rem; margin: 0; line-height: 1.8; }
.center { text-align: center; }
.mt { margin-top: 44px; }

/* 事例 */
.jirei { list-style: none; margin: 0 auto; padding: 0; display: grid; gap: 14px; max-width: 660px; }
.jirei li {
  background: #fff; border-radius: 999px; padding: .8em 1.4em .8em 3.4em; font-weight: 900; position: relative;
  box-shadow: 0 5px 0 rgba(242,123,165,.35);
}
.jirei li::before { content: "★"; position: absolute; left: 1.2em; color: #f5b800; }

/* 教室 */
.regions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.regions a {
  background: #fff; border: 4px solid var(--teal); border-radius: 22px; padding: 1em .5em; text-align: center;
  font-weight: 900; text-decoration: none; color: var(--teal-deep); box-shadow: 0 6px 0 var(--teal);
  transition: transform .12s, box-shadow .12s;
}
.regions a:hover { transform: translateY(3px); box-shadow: 0 3px 0 var(--teal); }
.regions a.soon { border-color: #cfcfcf; color: #999; box-shadow: 0 6px 0 #cfcfcf; pointer-events: none; }
.regions small { display: block; font-size: .78rem; font-weight: 700; }

/* 流れ */
.flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; counter-reset: step; }
.flow > div {
  background: #fff; border-radius: var(--radius); padding: 2.4em 1.3em 1.5em; text-align: center; position: relative;
  border: 4px solid var(--yellow);
}
.flow > div::before {
  counter-increment: step; content: "STEP " counter(step);
  position: absolute; top: -1.1em; left: 50%; transform: translateX(-50%);
  background: var(--pink); color: #fff; font-weight: 900; font-size: .9rem; letter-spacing: .1em;
  border-radius: 999px; padding: .2em 1.3em; white-space: nowrap;
}
.flow h3 { font-size: 1.12rem; margin-bottom: .5em; }
.flow p { font-size: .95rem; margin: 0; line-height: 1.8; }

/* FAQ */
.faq { display: grid; gap: 16px; }
.faq details { background: #fff; border-radius: 22px; border: 3px solid var(--teal-pale); overflow: hidden; }
.faq summary {
  cursor: pointer; list-style: none; font-weight: 900; padding: 1em 3em 1em 3.4em; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before {
  content: "Q"; position: absolute; left: .9em; top: .85em; width: 1.9em; height: 1.9em; border-radius: 50%;
  background: var(--teal); color: #fff; display: grid; place-items: center; line-height: 1;
}
.faq summary::after { content: "＋"; position: absolute; right: 1.1em; top: 1em; color: var(--teal); font-weight: 900; }
.faq details[open] summary::after { content: "－"; }
.faq .a { padding: 0 1.4em 1.2em 3.4em; }
.faq .a p { margin: 0; }

/* 最後のCTA */
.cta { text-align: center; }
.cta-box {
  background: #fff; border-radius: 40px; padding: 48px 28px 44px; position: relative;
  border: 5px solid var(--yellow); max-width: 780px; margin-inline: auto;
}
.cta-box h2 { font-size: clamp(1.35rem, 4.2vw, 1.9rem); margin-bottom: .6em; }
.cta-charas { display: flex; justify-content: center; align-items: flex-end; gap: 26px; margin-bottom: 18px; }
.cta-charas img { width: 104px; }
.cta-charas img:last-child { width: 88px; }

/* フッター */
.site-footer { background: var(--teal); color: #fff; text-align: center; padding: 44px 20px 110px; }
.site-footer img { width: 84px; margin: 0 auto 12px; background: #fff; border-radius: 50%; padding: 4px; }
.site-footer a { color: #fff; font-weight: 700; }
.site-footer .fnav { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 22px; margin: 14px 0 18px; font-size: .92rem; }
.site-footer small { font-size: .8rem; }

/* スマホ固定ボタン */
.fixed-cta { display: none; }

/* 下層ページ */
.page-head {
  text-align: center; padding: 46px 20px 40px;
  background:
    radial-gradient(circle at 6% 30%, var(--pink-pale) 0 70px, transparent 71px),
    radial-gradient(circle at 95% 60%, var(--teal-pale) 0 90px, transparent 91px),
    var(--yellow-pale);
}
.page-head h1 { font-size: clamp(1.5rem, 5vw, 2.2rem); }
.page-head img { width: 84px; margin: 0 auto 8px; }
.page-body { padding: 48px 0 70px; }
.page-body h2 {
  font-size: clamp(1.3rem, 4.2vw, 1.7rem); text-align: center; margin: 2.4em 0 .9em;
}
.page-body h2::after {
  content: ""; display: block; width: 90px; height: 8px; margin: .4em auto 0; border-radius: 99px;
  background: repeating-linear-gradient(90deg, var(--pink) 0 14px, var(--yellow) 14px 28px, var(--teal) 28px 42px);
}
.page-body h2.region-title {
  background: var(--teal); color: #fff; border-radius: 999px; padding: .45em 1em; margin-top: 3.2em; scroll-margin-top: 90px;
}
.page-body h2.region-title::after { display: none; }
.page-body h3.school-name { font-size: 1.35rem; text-align: center; margin: 2.2em 0 .5em; }
.crumb { font-size: .8rem; margin-bottom: 2em; }
.page-head-label { display: inline-block; background: var(--pink); color: #fff; font-weight: 900; font-size: .82rem; border-radius: 999px; padding: .1em 1.2em; margin: 0 0 .6em; }
.column-article h2 { text-align: left; font-size: clamp(1.2rem, 3.8vw, 1.45rem); margin: 2.4em 0 .8em; padding: .5em .9em; background: var(--teal-pale); border-left: 8px solid var(--teal); border-radius: 12px; }
.column-article h2::after { display: none; }
.column-article p { text-align: left !important; }
.column-article .lead-box { background: #fff; border: 4px solid var(--yellow); border-radius: var(--radius); padding: 1.2em 1.4em; font-weight: 700; }
.column-article .lead-box p:last-child { margin: 0; }
.column-cta { background: var(--yellow-pale); border-radius: var(--radius); padding: 1.6em 1.2em .6em; margin: 3em 0 1em; }
.column-cta > p:first-child { text-align: center !important; font-weight: 700; margin: 0; }
.column-cta .school-cta { margin-bottom: 1.8em; text-align: center !important; }
.column-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.column-list a { display: block; position: relative; background: #fff; border: 3px solid var(--teal-pale); border-radius: 22px; padding: 1em 2.8em 1em 1.3em; font-weight: 900; text-decoration: none; color: var(--ink); line-height: 1.7; }
.column-list a::after { content: "›"; position: absolute; right: 1em; top: 50%; transform: translateY(-50%); color: var(--pink-deep); font-size: 1.5rem; }
.column-list a:hover { border-color: var(--teal); }
.column-index { margin: 2em 0 3em; }
.column-index a span { display: block; font-weight: 500; font-size: .9rem; margin-top: .3em; }
.crumb a { color: var(--teal-deep); }
.hero h1 .hero-badge { display: table; font-size: .95rem; line-height: 1.6; }
.page-body .regions { margin: 2em 0; }
.page-body h2:first-of-type { margin-top: 1em; }
.about-box { background: #fff; border-radius: var(--radius); border: 4px solid var(--teal-pale); padding: 1.4em 1.6em; margin: 1.2em 0; }
.about-box p:last-child { margin: 0; }
.page-body .has-text-align-center { text-align: center; }
.noiku-region {
  display: inline-block; background: var(--yellow); border-radius: 999px; padding: .1em 1.2em; font-weight: 900; font-size: .92rem;
}
.noiku-course {
  background: #fff; border: 4px solid var(--teal-pale); border-radius: var(--radius); padding: 1.3em 1.4em; margin: 1.4em 0;
  display: grid; grid-template-columns: 38% 1fr; gap: 1.2em; align-items: center;
}
.noiku-course h4 {
  grid-column: 1 / -1; text-align: center; font-size: 1.1rem; color: var(--pink-deep);
  padding-bottom: .4em; border-bottom: 4px dotted var(--pink);
}
.noiku-course figure { margin: 0; }
.noiku-course img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 18px; }
.noiku-course-text p { margin: 0; font-size: .97rem; }
.noiku-sep, .page-body hr {
  border: none; height: 10px; margin: 3em auto; width: 180px;
  background-image: radial-gradient(circle, var(--yellow) 40%, transparent 42%); background-size: 22px 10px;
}
.school-cta { text-align: center; margin: 1.6em 0 2.6em; }
.page-body p:has(> .btn-sub) { margin: 2.2em 0; }
.btn-row { display: flex; justify-content: center; gap: 16px; margin: 0 0 1em; }
.btn-row .btn-sub { flex: 0 1 240px; text-align: center; padding: .7em .6em; font-size: .98rem; }
.school-box {
  background: #fff; border: 4px solid var(--teal); border-radius: 32px;
  padding: 1.6em 1.6em 1.8em; margin: 2.2em 0; box-shadow: 0 8px 0 var(--teal-pale);
}
.school-box:nth-of-type(even) { border-color: var(--pink); box-shadow: 0 8px 0 var(--pink-pale); }
.page-body .school-box h2.school-name { margin-top: 0; }
.school-box .noiku-course { background: var(--cream); border-width: 3px; }
.school-box .school-hp { margin-bottom: 0; padding-top: 1.2em; border-top: 4px dotted var(--yellow); }
.school-hp { text-align: center; font-weight: 900; margin: 1.6em 0 .6em; }
.school-hp a { font-weight: 700; overflow-wrap: anywhere; }
.school-note { text-align: center; font-size: .92rem; margin: 0; }
.school-note + .school-cta { margin-top: .8em; }
.region-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 1em; }
.region-nav a {
  background: #fff; border: 3px solid var(--teal); border-radius: 999px; padding: .3em 1.2em;
  font-weight: 900; text-decoration: none; font-size: .95rem;
}
.age-block {
  background: #fff; border-radius: var(--radius); padding: 1.6em 1.6em 1.8em; margin: 0 0 30px;
  border: 4px solid var(--teal-pale); display: grid; grid-template-columns: 40% 1fr; gap: 1.6em; align-items: start;
  scroll-margin-top: 90px;
}
.age-block:nth-of-type(even) { border-color: var(--pink-pale); }
.age-block img { border-radius: 20px; aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.age-block h2 { margin: 0 0 .4em; text-align: left; font-size: 1.6rem; color: var(--teal-deep); }
.age-block h2::after { display: none; }
.age-block:nth-of-type(even) h2 { color: var(--pink-deep); }
.age-block h3 { font-size: 1rem; margin: 1em 0 .5em; }
.age-block ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.age-block li { background: var(--yellow-pale); border-radius: 999px; padding: .1em 1em; font-size: .9rem; font-weight: 700; }

@media (max-width: 860px) {
  body { font-size: 16px; }
  .sec { padding: 56px 0; }
  .gnav {
    display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; flex-direction: column;
    padding: 16px 20px 22px; gap: 10px; border-bottom: 4px solid var(--yellow);
  }
  .gnav.open { display: flex; }
  .gnav a { width: 100%; text-align: center; background: var(--teal-pale); font-size: 1rem; padding: .7em; }
  .menu-btn {
    display: grid; place-items: center; width: 50px; height: 50px; border-radius: 50%; border: none;
    background: var(--teal); color: #fff; font-family: inherit; font-weight: 900; font-size: .56rem; letter-spacing: 0; white-space: nowrap; padding: 0; cursor: pointer; line-height: 1.2;
  }
  .menu-btn span { display: block; width: 20px; height: 3px; background: #fff; border-radius: 3px; margin: 0 auto 3px; box-shadow: 0 6px 0 #fff; margin-bottom: 9px; }
  .brand img { width: 42px; height: 42px; }
  .brand-text strong { font-size: .9rem; }
  .brand-text small { font-size: .6rem; }
  .hero { padding: 26px 0 60px; text-align: center; }
  .hero .wrap { grid-template-columns: 1fr; gap: 30px; }
  .hero-photo { order: -1; width: 86%; margin-inline: auto; }
  .hero-tags { justify-content: center; }
  .hero h1 .hero-badge { margin-inline: auto; }
  .nayami, .about-grid { grid-template-columns: 1fr; gap: 24px; }
  .nayami .chara { width: 130px; }
  .three, .flow { grid-template-columns: 1fr; }
  .three.four { grid-template-columns: 1fr 1fr; gap: 12px; }
  .three.four .circle { width: 76px; height: 76px; font-size: 1.3rem; }
  .three.four p { font-size: .88rem; }
  .flow { gap: 34px; }
  .chikara { grid-template-columns: repeat(2, 1fr); }
  .ages { grid-template-columns: 1fr 1fr; gap: 14px; }
  .age-card .body { padding: .7em .8em 1em; }
  .age-card h3 { font-size: 1.1rem; }
  .age-card p { font-size: .85rem; }
  .regions { grid-template-columns: 1fr 1fr; }
  .lead, .about-text p, .page-body p { text-align: center; }
  .jirei li { border-radius: 22px; }
  .noiku-course, .age-block { grid-template-columns: 1fr; }
  .school-box { padding: 1.3em 1em 1.5em; border-radius: 26px; }
  .age-block h2 { text-align: center; }
  .age-block ul { justify-content: center; }
  .faq .a p, .nayami li { text-align: left; }
  .btn-line { font-size: 1.05rem; padding: .9em 1.5em; }
  .fixed-cta {
    display: block; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
    background: rgba(255,255,255,.95); padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
    border-top: 3px solid var(--yellow);
  }
  .fixed-cta a {
    display: block; text-align: center; background: var(--line); color: #fff; font-weight: 900;
    text-decoration: none; border-radius: 999px; padding: .75em; box-shadow: 0 4px 0 #04a045;
  }
}