@charset "UTF-8";
/* ひだまりピアノ教室 */

:root{
  --main:#406A8C;
  --accent:#F2C758;
  --coral:#EFA3A0;
  --bg:#FFFDF7;
  --blue-pale:#EAF2F7;
  --ink:#303A40;
  --sub:#6E7A82;
  --white:#FFFFFF;
  --err:#C62828;
  --wrap:1120px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}

body{
  font-family:"Noto Sans JP",sans-serif;
  font-size:16px;line-height:1.85;
  color:var(--ink);background:var(--bg);
  letter-spacing:.02em;padding-bottom:78px;
  -webkit-text-size-adjust:100%;
}

img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
a{color:inherit}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
fieldset{border:0}

h1,h2,h3{font-family:"M PLUS Rounded 1c",sans-serif;font-weight:800;line-height:1.55}
.num{font-family:"Nunito","Noto Sans JP",sans-serif;font-weight:700}

.wrap{max-width:var(--wrap);margin:0 auto}
.wrap--narrow{max-width:720px}

.skip{position:absolute;left:-9999px;top:0;background:var(--main);color:#fff;padding:10px 16px;z-index:300}
.skip:focus{left:0}
:focus-visible{outline:3px solid var(--coral);outline-offset:3px}

/* ---------- ボタン ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:56px;padding:14px 26px;
  font-family:"M PLUS Rounded 1c",sans-serif;
  font-size:17px;font-weight:800;line-height:1.4;text-align:center;text-decoration:none;
  border:0;border-radius:100px;cursor:pointer;
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn--main{background:var(--main);color:#fff;box-shadow:0 4px 12px rgba(64,106,140,.3)}
.btn--main:hover{background:#35597a;transform:translateY(-2px);box-shadow:0 8px 18px rgba(64,106,140,.36)}
.btn--accent{background:var(--accent);color:#3A2E10;box-shadow:0 4px 12px rgba(242,199,88,.45)}
.btn--accent:hover{background:#e8b93f;transform:translateY(-2px)}
.btn:active{transform:none}
.btn--sm{min-height:52px;padding:9px 18px;font-size:14px;box-shadow:none}
.btn--wide{width:100%}

/* ---------- ヘッダー ---------- */
.head{position:sticky;top:0;z-index:90;background:rgba(255,253,247,.97);border-bottom:2px solid var(--blue-pale)}
.head__inner{
  max-width:var(--wrap);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 18px;
}
.head__logo{font-family:"M PLUS Rounded 1c",sans-serif;font-weight:800;font-size:17px;color:var(--main);line-height:1.4}
.head__sub{font-size:11px;color:var(--sub)}
.gnav{display:none}
.gnav ul{display:flex;gap:20px}
.gnav a{font-size:14px;font-weight:500;text-decoration:none;padding:4px 0;border-bottom:2px solid transparent}
.gnav a:hover{border-bottom-color:var(--accent);color:var(--main)}
.head .btn--sm{display:none}

.burger{
  width:46px;height:46px;border:2px solid var(--blue-pale);border-radius:12px;background:var(--white);
  cursor:pointer;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.burger span{display:block;width:20px;height:2px;background:var(--main);border-radius:2px;transition:transform .25s ease,opacity .2s ease}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.burger:hover{background:var(--blue-pale)}

.drawer{display:none;background:var(--white);border-top:2px solid var(--blue-pale);padding:8px 18px 16px}
.drawer.is-open{display:block}
.drawer li+li{border-top:1px solid var(--blue-pale)}
.drawer a{display:block;padding:13px 4px;text-decoration:none;font-weight:500}
.drawer a:hover{color:var(--main)}

/* ---------- セクション共通 ---------- */
.sec{padding:56px 20px;position:relative;overflow:hidden}
.sec--blue{background:var(--blue-pale)}
.sec--cream{background:#FFF6E4}
.sec__title{font-size:23px;text-align:center;color:var(--main);margin-bottom:26px}
.sec__title--light{color:#fff}
.sec__title .num{font-size:1.5em;color:var(--coral);margin:0 2px}
.sec__lead{text-align:center;font-size:15px;margin-bottom:24px}
.note{font-size:13px;color:var(--sub);text-align:center;margin-top:20px}

.tag{
  display:inline-block;background:var(--accent);color:#3A2E10;
  font-size:13px;font-weight:700;border-radius:100px;padding:5px 16px;margin-bottom:16px;
}

/* ---------- ファーストビュー ---------- */
.hero{background:linear-gradient(180deg,var(--blue-pale) 0%,var(--bg) 100%);padding:28px 20px 48px;position:relative;overflow:hidden}
.deco-note{position:absolute;width:70px;color:rgba(64,106,140,.1);top:22px;right:-10px;pointer-events:none}
.hero__inner{position:relative;z-index:1}
.hero__copy{font-size:25px;color:var(--main);margin-bottom:16px}
.hero__sub{font-size:15px;margin-bottom:20px}
.hero__points{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.hero__points li{
  font-size:13px;font-weight:700;background:var(--white);color:var(--main);
  border:2px solid var(--blue-pale);border-radius:100px;padding:4px 14px;
}
.hero__photo{margin:0 0 24px}
.hero__photo img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px}
.hero__note{text-align:center;font-size:14px;font-weight:700;color:var(--main);margin-top:12px}

/* ---------- 不安 ---------- */
.worries{display:grid;gap:10px;max-width:760px;margin:0 auto}
.worries li{
  background:var(--white);border:2px solid var(--blue-pale);border-radius:14px;
  padding:14px 16px 14px 48px;position:relative;font-size:16px;
}
.worries li::before{
  content:"？";position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;border-radius:50%;background:var(--coral);color:#fff;
  font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.answer{
  background:var(--accent);border-radius:16px;padding:22px 24px;margin:28px auto 0;max-width:760px;
}
.answer p{font-weight:700;color:#3A2E10}
.answer p+p{margin-top:.6em}

/* ---------- 特徴 ---------- */
.features{display:grid;gap:16px}
.feature{background:var(--white);border-radius:16px;padding:24px 22px}
.feature__num{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:50%;background:var(--main);color:#fff;font-size:17px;margin-bottom:12px;
}
.feature__title{font-size:18px;color:var(--main);margin-bottom:8px}
.feature p{font-size:15px}
.feature__photo{margin-top:24px}
.feature__photo img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:16px}

/* ---------- 育てたい力 ---------- */
.powers{display:grid;gap:14px}
.power{background:var(--blue-pale);border-radius:16px;padding:22px 22px 22px 24px;border-left:8px solid var(--coral)}
.power__title{font-size:18px;color:var(--main);margin-bottom:6px}
.power p{font-size:15px}

/* ---------- 年齢別コース ---------- */
.courses{display:grid;gap:18px}
.course{background:var(--white);border-radius:18px;padding:24px 22px;border:3px solid var(--blue-pale)}
.course__age{
  display:inline-block;background:var(--main);color:#fff;font-size:14px;font-weight:700;
  border-radius:100px;padding:4px 16px;margin-bottom:12px;
}
.course__age .num{font-size:1.25em}
.course__title{font-size:19px;color:var(--main);margin-bottom:10px}
.course__text{font-size:14px;margin-bottom:14px}
.course__list{display:flex;flex-wrap:wrap;gap:8px}
.course__list li{
  font-size:13px;background:#FFF6E4;border-radius:100px;padding:4px 12px;
}

/* ---------- 料金 ---------- */
.prices{display:grid;gap:16px}
.price{background:var(--white);border-radius:16px;padding:22px;border:2px solid var(--blue-pale);text-align:center}
.price__name{font-size:17px;color:var(--main);margin-bottom:12px}
.price__spec{display:grid;gap:6px;margin-bottom:14px}
.price__spec div{display:flex;justify-content:center;gap:10px;font-size:14px}
.price__spec dt{color:var(--sub)}
.price__fee{font-size:16px;font-weight:700;color:var(--main)}
.price__fee .num{font-size:34px}
.price__unit{font-size:13px;color:var(--sub);margin-left:2px}

.initial{background:var(--blue-pale);border-radius:16px;padding:22px;margin-top:22px}
.initial__title{font-size:17px;color:var(--main);margin-bottom:12px}
.initial__list{display:grid;gap:8px}
.initial__list div{display:flex;justify-content:space-between;gap:16px;font-size:15px;border-bottom:1px dashed #C7D8E4;padding-bottom:8px}
.initial__list div:last-child{border-bottom:0;padding-bottom:0}
.initial__list dt{font-weight:700}

.trial-box{
  background:var(--white);border:3px solid var(--accent);border-radius:20px;
  padding:26px 22px;margin-top:24px;text-align:center;
}
.trial-box__title{font-size:19px;color:var(--main);margin-bottom:12px}
.trial-box__detail{font-size:15px;margin-bottom:4px}
.trial-box__fee{font-size:16px;font-weight:700;color:var(--main);margin-bottom:12px}
.trial-box__fee .num{font-size:38px}
.trial-box__gift{
  font-size:14px;background:#FFF6E4;border-radius:10px;padding:12px 14px;margin-bottom:20px;
}

/* ---------- レッスンの流れ ---------- */
.lesson{display:grid;gap:12px;max-width:760px;margin:0 auto}
.lesson__step{background:var(--white);border-radius:16px;padding:18px 20px;display:grid;grid-template-columns:64px 1fr;gap:16px;align-items:center}
.lesson__time{
  width:64px;height:64px;border-radius:50%;background:var(--coral);color:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  font-size:22px;line-height:1;
}
.lesson__time span{font-size:11px;font-weight:700}
.lesson__title{font-size:17px;color:var(--main);margin-bottom:4px}
.lesson__step p{font-size:14px}

/* ---------- 講師 ---------- */
.teacher{display:grid;gap:24px;max-width:900px;margin:0 auto}
.teacher__photo img{width:100%;max-width:240px;margin:0 auto;aspect-ratio:1/1;object-fit:cover;border-radius:50%}
.teacher__name{font-size:24px;color:var(--main);text-align:center}
.teacher__role{font-size:13px;color:var(--sub);text-align:center;margin-bottom:16px}
.teacher__body>p{margin-bottom:1em}
.teacher__career{background:var(--blue-pale);border-radius:14px;padding:16px 20px;display:grid;gap:6px}
.teacher__career li{font-size:14px;padding-left:16px;position:relative}
.teacher__career li::before{content:"♪";position:absolute;left:0;color:var(--main)}

/* ---------- 保護者の声 ---------- */
.voices{display:grid;gap:16px}
.voice{background:var(--white);border-radius:16px;padding:22px;position:relative}
.voice__who{font-size:13px;font-weight:700;color:var(--main);margin-bottom:8px}
.voice__text{font-size:15px}

/* ---------- 体験の流れ ---------- */
.flow{display:grid;gap:14px}
.fstep{background:var(--blue-pale);border-radius:16px;padding:20px 22px}
.fstep__num{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:50%;background:var(--accent);color:#3A2E10;
  font-size:17px;margin-bottom:10px;
}
.fstep__title{font-size:17px;color:var(--main);margin-bottom:6px}
.fstep p{font-size:14px}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px}
.faq__item{background:var(--white);border-radius:16px;padding:20px 22px}
.faq__item dt{font-family:"M PLUS Rounded 1c",sans-serif;font-weight:800;color:var(--main);padding-left:32px;position:relative;margin-bottom:8px}
.faq__item dt::before{
  content:"Q";position:absolute;left:0;top:0;width:24px;height:24px;border-radius:50%;
  background:var(--main);color:#fff;font-size:13px;display:flex;align-items:center;justify-content:center;
}
.faq__item dd{font-size:15px;padding-left:32px;position:relative}
.faq__item dd::before{
  content:"A";position:absolute;left:0;top:0;width:24px;height:24px;border-radius:50%;
  background:var(--coral);color:#fff;font-size:13px;display:flex;align-items:center;justify-content:center;
  font-family:"M PLUS Rounded 1c",sans-serif;font-weight:800;
}

/* ---------- アクセス ---------- */
.access{max-width:720px;margin:0 auto;background:var(--white);border-radius:16px;overflow:hidden}
.access__row{display:grid;gap:2px;padding:14px 20px;border-bottom:1px solid var(--blue-pale)}
.access__row:last-child{border-bottom:0}
.access__row dt{font-size:13px;font-weight:700;color:var(--main)}
.access__row dd{font-size:15px}
.access__note{font-size:13px;color:var(--sub);text-align:center;margin-top:16px}

/* ---------- 体験申込CTA ---------- */
.trial-fee{text-align:center;font-size:15px;margin-bottom:24px}
.trial-fee strong{font-size:26px;color:var(--main)}
.trial-cta{
  background:var(--white);border-radius:20px;padding:28px 22px;
  max-width:520px;margin:0 auto;text-align:center;
}
.trial-cta__note{font-size:13px;color:var(--sub);margin-top:14px}

/* ---------- 最終CTA ---------- */
.sec--last{background:var(--main);color:#fff;text-align:center;padding-bottom:72px}
.last__text{font-size:15px;margin-bottom:24px}
.last__note{font-size:14px;font-weight:700;margin-top:14px;color:#F5E3B3}

/* ---------- フッター ---------- */
.foot{background:var(--ink);color:#fff;text-align:center;padding:40px 20px 32px}
.foot__brand{font-family:"M PLUS Rounded 1c",sans-serif;font-weight:800;font-size:16px;margin-bottom:20px}
.foot__title{font-family:"Noto Sans JP",sans-serif;font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--accent);margin-bottom:8px}
.foot__sample{font-size:12px;color:rgba(255,255,255,.85);max-width:720px;margin:0 auto 6px}
.foot__sample--sub{font-size:11px;color:rgba(255,255,255,.58)}
.foot__links{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 20px;margin:18px 0 14px}
.foot__links a{font-size:12px;text-decoration:underline;text-underline-offset:3px}
.foot__links a:hover{color:var(--accent)}
.foot__copy{font-size:11px;color:rgba(255,255,255,.55)}

/* ---------- 固定CTA ---------- */
.fixed-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:100;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,253,247,.97);border-top:2px solid var(--blue-pale);
}
.fixed-cta__btn{
  display:flex;align-items:center;justify-content:center;width:100%;min-height:52px;
  background:var(--main);color:#fff;border-radius:100px;
  font-family:"M PLUS Rounded 1c",sans-serif;font-weight:800;font-size:16px;
  text-decoration:none;transition:background-color .2s ease;
}
.fixed-cta__btn:hover{background:#35597a}

/* ---------- フェードイン ---------- */
.fade{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease}
.fade.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .fade{opacity:1;transform:none;transition:none}
  .btn:hover{transform:none}
}

/* ---------- タブレット以上 ---------- */
@media (min-width:768px){
  body{padding-bottom:0}
  .fixed-cta{display:none}
  .burger{display:none}
  .drawer{display:none !important}
  .gnav{display:block}
  .head .btn--sm{display:inline-flex}
  .head__inner{padding:12px 24px}

  .sec{padding:84px 32px}
  .sec__title{font-size:30px;margin-bottom:34px}

  .hero{padding:48px 32px 72px}
  .hero__inner{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
  .hero__copy{font-size:34px}
  .hero__photo{margin:0}
  .hero__photo img{aspect-ratio:1/1;border-radius:24px}
  .hero .btn--wide{width:auto;min-width:300px}
  .hero__note{text-align:left}

  .worries{grid-template-columns:repeat(2,1fr)}
  .features{grid-template-columns:repeat(3,1fr)}
  .powers{grid-template-columns:repeat(2,1fr)}
  .courses{grid-template-columns:repeat(3,1fr)}
  .prices{grid-template-columns:repeat(3,1fr)}
  .voices{grid-template-columns:repeat(3,1fr)}
  .flow{grid-template-columns:repeat(3,1fr)}
  .lesson__step{grid-template-columns:76px 1fr}
  .lesson__time{width:76px;height:76px;font-size:26px}

  .teacher{grid-template-columns:240px 1fr;gap:40px;align-items:start}
  .teacher__photo img{max-width:none}
  .teacher__name,.teacher__role{text-align:left}

  .access__row{grid-template-columns:8em 1fr;gap:20px;align-items:baseline}
  .trial-cta{padding:36px 40px}
  .foot{padding:52px 32px 40px}
}

@media (min-width:1024px){
  .hero__copy{font-size:38px}
}