/* ============================================================
   たかはし音楽教室 デザインカンプ P2「おんがくノート」
   パレット: バナー実測（cream / sage / coral / brown / gold）
   Fonts: Zen Kaku Gothic New(見出し) / Noto Sans JP(本文)
   方針: 余白・整列・五線譜の細い線。清潔で見通しのよい「安心」の設計。
         セージ緑を主役に、コーラルはCTAと強調だけ。角は小さめ(10px)。
   ============================================================ */
:root {
  --cream: #FDF8F0; --cream-2: #FFFCF7; --beige: #F3E9D6; --beige-2: #E6D5AA;
  --sage: #627351; --sage-2: #77865D; --sage-pale: #EEF1E8; --sage-line: #C9D1BB;
  --coral: #FE7985; --coral-pale: #FDE3E2;
  --brown: #5E492F; --gold: #D9A26E;
  --line: #06C755;
  --ink: #4A3A26; --muted: #8A7560;
  --r: 10px;
  --ease: cubic-bezier(.22,1,.36,1);
  --head: "Zen Kaku Gothic New", "Noto Sans JP", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--cream); color: var(--ink); font-family: "Noto Sans JP", sans-serif; font-size: 16px; line-height: 1.95; -webkit-font-smoothing: antialiased; overflow-x: hidden; word-break: auto-phrase; text-wrap: pretty; }
a { color: var(--sage); text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p, dl, dd, figure { margin: 0; }
sup { font-size: .55em; vertical-align: super; }
.pc { display: inline; } .sp { display: none; }
@media (max-width: 700px) { .pc { display: none; } .sp { display: inline; } }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
.wrap--wide { max-width: 1200px; }
.wrap--mid { max-width: 820px; }
.center { text-align: center; }
.sec { padding: 96px 0; position: relative; }
[id] { scroll-margin-top: 84px; }

/* 五線譜モチーフ: セクション見出しの下に細い5本線 */
.eyebrow { font-family: var(--head); font-weight: 700; font-size: 13px; letter-spacing: .22em; color: var(--sage); text-align: center; margin: 0 0 10px; text-transform: uppercase; }
.eyebrow--light { color: #fff; }
.h2 { font-family: var(--head); font-weight: 900; font-size: clamp(24px, 4vw, 34px); line-height: 1.55; letter-spacing: .03em; text-align: center; color: var(--brown); margin-bottom: 20px; position: relative; padding-bottom: 26px; }
.h2::after { content: ""; display: block; width: 120px; height: 13px; margin: 18px auto 0; background: repeating-linear-gradient(to bottom, var(--sage-line) 0 1px, transparent 1px 4px); }
.h2--light { color: #fff; } .h2--light::after { background: repeating-linear-gradient(to bottom, rgba(255,255,255,.5) 0 1px, transparent 1px 4px); }
.lead { font-size: 16px; max-width: 640px; margin: 0 auto 40px; }
.note { font-size: 13px; color: var(--muted); margin-top: 22px; line-height: 1.7; }

/* 仮置きハイライト */
.show-tbd .tbd { outline: 2px dashed var(--coral); outline-offset: 3px; position: relative; }
.show-tbd .tbd::after { content: "仮 " attr(data-tbd); position: absolute; left: 0; top: 100%; z-index: 5; font-size: 11px; line-height: 1.4; background: var(--coral); color: #fff; padding: 2px 7px; border-radius: 4px; white-space: nowrap; max-width: 320px; overflow: hidden; text-overflow: ellipsis; font-weight: 500; pointer-events: none; }

/* devbar */
.devbar { position: fixed; bottom: 14px; right: 14px; z-index: 300; display: flex; align-items: center; gap: 6px; background: rgba(74,58,38,.92); color: #fff; padding: 6px 8px 6px 12px; border-radius: 8px; font-size: 12px; backdrop-filter: blur(8px); box-shadow: 0 8px 20px rgba(0,0,0,.18); }
.devbar__label { font-weight: 700; margin-right: 4px; }
.devbar__sep { opacity: .7; }
.devbar__btn { appearance: none; border: 1px solid rgba(255,255,255,.4); background: transparent; color: #fff; font: inherit; font-size: 12px; padding: 4px 10px; border-radius: 6px; cursor: pointer; }
.devbar__btn.is-on { background: #fff; color: var(--brown); border-color: #fff; font-weight: 700; }
.devbar__btn--tbd[aria-pressed="true"] { background: var(--coral); border-color: var(--coral); }
@media (max-width: 700px) { .devbar { bottom: 86px; right: 8px; left: 8px; justify-content: center; } }

/* header */
.header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 100; background: rgba(253,248,240,.92); backdrop-filter: blur(10px); border-bottom: 1px solid transparent; transition: border-color .3s; }
.header.is-scrolled { border-bottom-color: var(--sage-line); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 12px; color: var(--brown); }
.logo__mark { width: 38px; height: 38px; border-radius: var(--r); background: var(--sage); color: #fff; display: grid; place-items: center; font-family: var(--head); font-weight: 900; font-size: 20px; }
.logo__text { display: flex; flex-direction: column; line-height: 1.2; }
.logo__name { font-family: var(--head); font-weight: 900; font-size: 18px; letter-spacing: .04em; }
.logo__sub { font-size: 11px; color: var(--muted); letter-spacing: .1em; }
.nav { display: flex; align-items: center; gap: 26px; }
.nav__link { font-family: var(--head); font-weight: 700; font-size: 14px; color: var(--ink); letter-spacing: .04em; border-bottom: 2px solid transparent; padding: 4px 0; transition: border-color .25s; }
.nav__link:hover { border-bottom-color: var(--sage); }
.nav__cta { display: inline-flex; align-items: center; gap: 8px; background: var(--line); color: #fff; font-family: var(--head); font-weight: 700; font-size: 14px; padding: 11px 18px; border-radius: var(--r); transition: filter .25s; }
.nav__cta:hover { filter: brightness(1.06); }
.line-dot { width: 18px; height: 18px; border-radius: 50%; background: #fff; display: inline-block; position: relative; flex: none; }
.line-dot::after { content: ""; position: absolute; inset: 4px; border-radius: 50% 50% 50% 10%; background: var(--line); }
.menu-btn { display: none; appearance: none; border: 0; background: transparent; width: 46px; height: 46px; padding: 12px 11px; cursor: pointer; flex-direction: column; justify-content: space-between; }
.menu-btn span { display: block; height: 2px; background: var(--brown); transition: transform .3s var(--ease), opacity .2s; }
.menu-btn.is-open span:nth-child(1) { transform: translateY(10px) rotate(45deg); }
.menu-btn.is-open span:nth-child(2) { opacity: 0; }
.menu-btn.is-open span:nth-child(3) { transform: translateY(-10px) rotate(-45deg); }
@media (max-width: 960px) { .nav { display: none; } .menu-btn { display: flex; } }

.drawer { position: fixed; inset: 0; z-index: 90; visibility: hidden; }
.drawer.is-open { visibility: visible; }
.drawer__overlay { position: absolute; inset: 0; background: rgba(74,58,38,.4); opacity: 0; transition: opacity .3s; }
.drawer.is-open .drawer__overlay { opacity: 1; }
.drawer__panel { position: absolute; top: 0; right: 0; bottom: 0; width: min(320px, 84vw); background: var(--cream); padding: 90px 26px 30px; display: flex; flex-direction: column; transform: translateX(100%); transition: transform .4s var(--ease); }
.drawer.is-open .drawer__panel { transform: none; }
.drawer__panel a { font-family: var(--head); font-weight: 700; font-size: 16px; color: var(--ink); padding: 14px 6px; border-bottom: 1px solid var(--sage-line); }
.drawer__panel .drawer__cta { margin-top: 20px; background: var(--line); color: #fff; border: 0; border-radius: var(--r); display: flex; justify-content: center; align-items: center; gap: 8px; }
body.drawer-open { overflow: hidden; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; font-family: var(--head); font-weight: 700; font-size: 16px; padding: 16px 30px; border-radius: var(--r); transition: transform .25s var(--ease), filter .25s; text-align: center; letter-spacing: .02em; }
.btn:hover { transform: translateY(-2px); }
.btn--line { background: var(--line); color: #fff; }
.btn--ghost { background: transparent; color: var(--sage); border: 2px solid var(--sage); }
.btn--lg { font-size: 18px; padding: 19px 40px; }

/* hero */
.hero { position: relative; }
html:not([data-copy="b"]) .hero__b { display: none; }
html[data-copy="b"] .hero__a { display: none; }
.hero__a { background: var(--cream); }
.hero__banner { max-width: 1200px; margin: 24px auto 0; padding: 0 20px; }
.hero__banner img { width: 100%; border-radius: var(--r); }
.hero__a-body { text-align: center; padding: 40px 20px 64px; }
.hero__a-title { font-family: var(--head); font-weight: 900; font-size: clamp(22px, 3.4vw, 30px); line-height: 1.6; color: var(--sage); margin-bottom: 14px; letter-spacing: .03em; }
.hero__lead { font-size: 16px; max-width: 680px; margin: 0 auto 26px; }
.hero__btns { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
@media (max-width: 700px) {
  .hero__banner { padding: 0; margin: 0; }
  .hero__banner img { border-radius: 0; aspect-ratio: 3 / 2; object-fit: cover; object-position: 21% 50%; }
  .hero__btns { flex-direction: column; } .hero__btns .btn { width: 100%; }
}
.hero__b { display: grid; grid-template-columns: 1fr 1fr; min-height: 640px; }
.hero__b-visual { order: 2; position: relative; }
.hero__b-visual img { width: 100%; height: 100%; object-fit: cover; }
.hero__b-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--cream) 0, transparent 18%); }
.hero__b-body { order: 1; padding: 80px 48px 80px max(20px, calc((100vw - 1200px) / 2 + 20px)); max-width: calc(600px + max(0px, (100vw - 1200px) / 2)); margin-left: auto; align-self: center; width: 100%; }
.hero__eyebrow { font-family: var(--head); font-weight: 700; color: var(--sage); letter-spacing: .18em; font-size: 13px; margin-bottom: 18px; padding-left: 36px; position: relative; }
.hero__eyebrow::before { content: ""; position: absolute; left: 0; top: 50%; width: 26px; height: 1px; background: var(--sage); }
.hero__b-title { font-family: var(--head); font-weight: 900; font-size: clamp(30px, 4.4vw, 46px); line-height: 1.45; color: var(--brown); margin-bottom: 22px; letter-spacing: .03em; }
.hero__b .hero__lead { margin: 0 0 28px; }
.hero__b .hero__btns { justify-content: flex-start; }
@media (max-width: 860px) {
  .hero__b { grid-template-columns: 1fr; min-height: 0; }
  .hero__b-visual { order: 1; aspect-ratio: 16 / 10; }
  .hero__b-visual::after { background: linear-gradient(180deg, transparent 70%, var(--cream) 100%); }
  .hero__b-body { order: 2; padding: 24px 20px 48px; max-width: none; }
}

/* 背景の交互 */
.worry, .promise, .teacher, .access, .flow { background: var(--cream); }
.yukkuri, .course, .faq, .trial { background: var(--cream-2); border-top: 1px solid var(--sage-line); border-bottom: 1px solid var(--sage-line); }

/* worry */
.worry { padding-top: 80px; }
.worry__list { max-width: 620px; margin: 0 auto 30px; border-top: 1px solid var(--sage-line); }
.worry__list li { display: flex; align-items: center; gap: 14px; padding: 15px 6px; border-bottom: 1px solid var(--sage-line); font-weight: 500; }
.worry__check { width: 22px; height: 22px; border-radius: 4px; border: 2px solid var(--sage); position: relative; flex: none; }
.worry__check::after { content: ""; position: absolute; left: 6px; top: 2px; width: 5px; height: 10px; border: solid var(--sage); border-width: 0 2.5px 2.5px 0; transform: rotate(45deg); }
.worry__answer { text-align: center; font-size: 17px; }
.worry__answer strong { color: var(--sage); border-bottom: 3px double var(--coral); }

/* yukkuri */
.yukkuri__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.yukkuri .eyebrow, .yukkuri .h2 { text-align: left; }
.yukkuri .h2::after { margin-left: 0; }
.yukkuri__text p + p { margin-top: 14px; }
.yukkuri__points { margin: 28px 0 0; border-top: 1px solid var(--sage-line); }
.yukkuri__points li { display: grid; grid-template-columns: 110px 1fr; gap: 14px; align-items: baseline; padding: 14px 4px; border-bottom: 1px solid var(--sage-line); }
.yukkuri__points b { font-family: var(--head); font-weight: 900; color: var(--sage); font-size: 17px; }
.yukkuri__points span { font-size: 15px; }
.yukkuri__fig img { border-radius: var(--r); }
.quote { margin-top: 18px; padding: 14px 0 0 40px; position: relative; font-family: var(--head); font-weight: 700; color: var(--brown); line-height: 1.9; font-size: 15.5px; border-top: 1px solid var(--sage-line); }
.quote__mark { position: absolute; left: 6px; top: 10px; font-size: 40px; color: var(--coral); line-height: 1; font-family: Georgia, serif; }
@media (max-width: 860px) { .yukkuri__grid { grid-template-columns: 1fr; gap: 28px; } .yukkuri .h2, .yukkuri .eyebrow { text-align: center; } .yukkuri .h2::after { margin-left: auto; } }

/* promise */
.card { background: #fff; border: 1px solid var(--sage-line); border-radius: var(--r); }
.promise__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 40px; }
.promise__card { padding: 30px 26px; }
.promise__num { font-family: var(--head); font-weight: 900; font-size: 13px; letter-spacing: .2em; color: var(--sage); display: block; margin-bottom: 10px; padding-bottom: 8px; border-bottom: 2px solid var(--sage); width: 48px; }
.promise__card h3 { font-family: var(--head); font-weight: 900; font-size: 19px; color: var(--brown); margin-bottom: 8px; }
.promise__card p { font-size: 15px; }
.promise__photo { max-width: 560px; margin: 0 auto; }
.promise__photo img { border-radius: var(--r); aspect-ratio: 16 / 9; object-fit: cover; }
@media (max-width: 860px) { .promise__grid { grid-template-columns: 1fr; } }

/* flow: 横に伸びる五線譜の上に音符のように並ぶ */
.flow__list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; padding-top: 30px; }
.flow__list::before { content: ""; position: absolute; left: 0; right: 0; top: 46px; height: 17px; background: repeating-linear-gradient(to bottom, var(--sage-line) 0 1px, transparent 1px 5px); }
.flow__item { position: relative; text-align: center; padding: 0 12px; }
.flow__step { width: 46px; height: 46px; border-radius: 50%; background: var(--sage); color: #fff; font-family: var(--head); font-weight: 900; font-size: 20px; display: grid; place-items: center; margin: 0 auto 18px; position: relative; z-index: 1; box-shadow: 0 0 0 8px var(--cream); }
.flow__item b { display: block; font-family: var(--head); font-weight: 700; font-size: 16px; color: var(--brown); margin-bottom: 6px; line-height: 1.5; }
.flow__item div span { font-size: 14px; color: var(--muted); display: block; line-height: 1.7; }
@media (max-width: 760px) {
  .flow__list { grid-template-columns: 1fr; gap: 20px; padding-top: 0; padding-left: 10px; }
  .flow__list::before { left: 32px; right: auto; top: 0; bottom: 0; width: 17px; height: auto; background: repeating-linear-gradient(to right, var(--sage-line) 0 1px, transparent 1px 5px); }
  .flow__item { display: grid; grid-template-columns: auto 1fr; gap: 16px; text-align: left; align-items: center; padding: 0; }
  .flow__step { margin: 0; }
}

/* course */
.course__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.course__card { overflow: hidden; display: flex; flex-direction: column; }
.course__img img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.course__body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.course__age { display: inline-block; align-self: flex-start; color: var(--sage); border: 1px solid var(--sage); font-family: var(--head); font-weight: 700; font-size: 12.5px; padding: 2px 10px; border-radius: 4px; margin-bottom: 10px; letter-spacing: .06em; }
.course__name { font-family: var(--head); font-weight: 900; font-size: 21px; color: var(--brown); margin-bottom: 8px; }
.course__desc { font-size: 14.5px; margin-bottom: 16px; flex: 1; }
.course__spec { border-top: 1px solid var(--sage-line); padding-top: 12px; display: grid; gap: 6px; }
.course__spec div { display: grid; grid-template-columns: 52px 1fr; gap: 8px; font-size: 14px; }
.course__spec dt { color: var(--muted); }
.course__spec dd { font-weight: 700; color: var(--brown); }
@media (max-width: 900px) { .course__grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; } }

/* cta band */
.cta-band { background: var(--sage); color: #fff; padding: 84px 0; text-align: center; }
.cta-band .h2 { margin-bottom: 22px; }
.cta-band__price { display: inline-flex; align-items: center; gap: 14px; border: 1px solid rgba(255,255,255,.45); border-radius: var(--r); padding: 10px 26px; margin-bottom: 16px; font-family: var(--head); font-weight: 700; }
.cta-band__old { text-decoration: line-through; opacity: .85; font-size: 16px; }
.cta-band__new { font-size: 30px; font-weight: 900; color: #FFE2B8; }
.cta-band__how { margin-bottom: 24px; font-size: 15.5px; }
.cta-band .btn--line { box-shadow: 0 12px 26px rgba(0,0,0,.18); }
.cta-band__alt { margin-top: 18px; font-size: 13.5px; opacity: .9; }
.cta-band__alt a { color: #fff; text-decoration: underline; }

/* teacher */
.teacher__grid { display: grid; grid-template-columns: 280px 1fr; gap: 56px; align-items: start; margin-bottom: 48px; }
.teacher__fig img { border-radius: var(--r); }
.teacher .eyebrow, .teacher .h2 { text-align: left; }
.teacher .h2::after { margin-left: 0; }
.teacher__name { font-family: var(--head); font-weight: 900; font-size: 20px; color: var(--sage); margin-bottom: 14px; display: flex; align-items: baseline; gap: 10px; }
.teacher__name small { font-size: 13px; color: var(--muted); font-weight: 500; }
.teacher__text p + p { margin-top: 12px; }
.teacher__home { border-left: 3px solid var(--sage); padding: 4px 16px; font-size: 15px; }
.voices { border-top: 1px solid var(--sage-line); border-bottom: 1px solid var(--sage-line); padding: 28px 0; text-align: center; }
.voices__title { font-family: var(--head); font-weight: 900; color: var(--brown); font-size: 17px; margin-bottom: 14px; letter-spacing: .04em; }
.voices__list { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 28px; }
.voices__list li { font-family: var(--head); font-weight: 700; color: var(--sage); font-size: 16px; }
@media (max-width: 860px) { .teacher__grid { grid-template-columns: 1fr; gap: 24px; } .teacher__fig { max-width: 240px; margin: 0 auto; } .teacher .eyebrow, .teacher .h2 { text-align: center; } .teacher .h2::after { margin-left: auto; } }

/* trial */
.trial__list { max-width: 620px; margin: 0 auto 36px; border-top: 1px solid var(--sage-line); }
.trial__list li { padding: 18px 6px; border-bottom: 1px solid var(--sage-line); display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: 18px; align-items: center; }
.trial__num { grid-row: 1 / 3; width: 42px; height: 42px; border-radius: 50%; border: 2px solid var(--sage); color: var(--sage); font-family: var(--head); font-weight: 900; display: grid; place-items: center; font-size: 17px; }
.trial__list b { font-family: var(--head); font-weight: 700; font-size: 16.5px; color: var(--brown); }
.trial__list span:last-child { font-size: 14.5px; color: var(--muted); line-height: 1.7; }
.trial__photo { max-width: 440px; margin: 0 auto; }
.trial__photo img { border-radius: var(--r); aspect-ratio: 4 / 3; object-fit: cover; }

/* faq */
.faq__list { border-top: 1px solid var(--sage-line); }
.faq__item { border-bottom: 1px solid var(--sage-line); }
.faq__item summary { cursor: pointer; list-style: none; padding: 20px 40px 20px 40px; position: relative; font-family: var(--head); font-weight: 700; font-size: 16px; color: var(--brown); }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::before { content: "Q"; position: absolute; left: 4px; top: 19px; color: var(--sage); font-weight: 900; font-size: 18px; font-family: var(--head); }
.faq__item summary::after { content: ""; position: absolute; right: 10px; top: 26px; width: 10px; height: 10px; border-right: 2px solid var(--sage); border-bottom: 2px solid var(--sage); transform: rotate(45deg); transition: transform .3s var(--ease); }
.faq__item[open] summary::after { transform: rotate(-135deg); top: 32px; }
.faq__a { padding: 0 10px 20px 40px; font-size: 15px; position: relative; }
.faq__a::before { content: "A"; position: absolute; left: 4px; top: -2px; color: var(--coral); font-family: var(--head); font-weight: 900; font-size: 18px; }

/* access */
.access__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: start; }
.access__photo img { border-radius: var(--r); aspect-ratio: 4 / 3; object-fit: cover; }
.access__dl { border-top: 1px solid var(--sage-line); margin-bottom: 16px; }
.access__dl div { display: grid; grid-template-columns: 96px 1fr; gap: 10px; padding: 12px 4px; border-bottom: 1px solid var(--sage-line); font-size: 15px; }
.access__dl dt { color: var(--muted); }
.access__map { background: var(--sage-pale); border-radius: var(--r); aspect-ratio: 16 / 9; display: grid; place-items: center; color: var(--sage); font-family: var(--head); font-weight: 700; }
@media (max-width: 860px) { .access__grid { grid-template-columns: 1fr; } }

/* final */
.final { background: var(--beige); padding: 90px 0 110px; text-align: center; }
.final__btns { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
@media (max-width: 700px) { .final__btns { flex-direction: column; } .final__btns .btn { width: 100%; } }

/* footer */
.footer { background: var(--sage); color: #F3F0E6; padding: 48px 0 110px; }
.footer__name { font-family: var(--head); font-weight: 900; font-size: 19px; margin-bottom: 14px; letter-spacing: .06em; }
.footer__nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 22px; margin-bottom: 16px; }
.footer__nav a, .footer__sns a { color: #F3F0E6; font-size: 14px; }
.footer__sns { display: flex; justify-content: center; gap: 18px; margin-bottom: 18px; }
.footer__sns a { text-decoration: underline; }
.footer__copy { font-size: 12px; opacity: .75; }
@media (min-width: 701px) { .footer { padding-bottom: 48px; } }

/* sticky */
.sticky { position: fixed; left: 0; right: 0; bottom: 0; z-index: 80; background: rgba(253,248,240,.96); backdrop-filter: blur(10px); border-top: 1px solid var(--sage-line); transform: translateY(110%); transition: transform .4s var(--ease); }
.sticky.is-visible { transform: none; }
.sticky__inner { max-width: 640px; margin: 0 auto; padding: 10px 12px calc(10px + env(safe-area-inset-bottom)); display: grid; grid-template-columns: .8fr 1.4fr; gap: 10px; }
.sticky__sub, .sticky__line { display: flex; align-items: center; justify-content: center; gap: 8px; font-family: var(--head); font-weight: 700; font-size: 15px; padding: 13px 8px; border-radius: var(--r); }
.sticky__sub { background: #fff; border: 2px solid var(--sage); color: var(--sage); }
.sticky__line { background: var(--line); color: #fff; }
@media (min-width: 701px) { .sticky { display: none; } }

/* reveal: 控えめな下からのフェード */
[data-reveal] { opacity: 0; transform: translateY(12px); transition: opacity .8s ease-out, transform .8s ease-out; }
[data-reveal].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { [data-reveal] { opacity: 1; transform: none; transition: none; } .btn { transition: none; } }

/* 一覧へ戻る（確認用） */
.devbar__back { text-decoration: none; color: #fff; }