/* =========================================================
   フィジオボディコンディショニング島根 LP
   モバイル特化（375〜430px 最適）
   ========================================================= */

:root {
  --purple-900: #3a1a5a;
  --purple-800: #4a1f73;
  --purple-700: #5a2a86;
  --lavender: #f1ebf7;
  --line: #b9a3cf;
  --border: #e3d9ec;
  --text: #2b2233;
  --text-sub: #5b5163;
  --serif: "Noto Serif JP", serif;
  --sans: "Noto Sans JP", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #e9e6ee;
  font-family: var(--sans);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--purple-700); text-decoration: none; }
a:hover { color: #3f1a63; }
h1, h2, h3, p { margin: 0; }

.stage { display: flex; justify-content: center; padding: 24px 0 48px; }

/* ---------- LP本体 ---------- */
.lp {
  width: 100%;
  max-width: 430px;
  background: #fff;
  box-shadow: 0 10px 40px rgba(43, 34, 51, .18);
  overflow: hidden;
}
@media (max-width: 430px) {
  .stage { padding: 0; }
  .lp { box-shadow: none; }
}

/* 共通セクション */
.section { padding: 28px 16px 8px; }
.section-title {
  margin-bottom: 14px;
  text-align: center;
  font-family: var(--serif); font-weight: 700; font-size: 20px;
  color: var(--purple-900); letter-spacing: .02em;
}
.stack { display: flex; flex-direction: column; gap: 7px; }
.card-lav { background: var(--lavender); border-radius: 4px; }
.num {
  font-family: var(--serif); font-size: 30px; font-weight: 500;
  color: var(--purple-700); line-height: 1;
}
.item-title { font-family: var(--serif); font-weight: 700; font-size: 15px; color: var(--purple-900); }
.item-text { margin-top: 3px; font-size: 11.5px; line-height: 1.6; color: var(--text-sub); }

/* ---------- HERO ---------- */
.hero {
  position: relative; z-index: 1;
  margin-bottom: -34px;
  padding: 22px 18px 56px;
  background: url(./images/hero_bg.webp) center bottom / 100% 100% no-repeat;
  color: #fff; text-align: center;
}
.hero__brand { margin-bottom: 10px; font-family: var(--serif); font-size: 13px; letter-spacing: .12em; opacity: .92; }
.hero__title {
  font-family: var(--serif); font-weight: 700; font-size: 27px;
  line-height: 1.45; letter-spacing: .02em; text-wrap: balance;
}
.hero-photo { position: relative; }
.hero-photo img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: 66% 19%; }
.hero-photo::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 40px;
  background: linear-gradient(180deg, rgba(241,235,247,0), var(--lavender));
}

/* ---------- 特徴 ---------- */
.intro { background: var(--lavender); padding: 6px 16px 22px; }
.intro__lead {
  text-align: center; font-family: var(--serif); font-weight: 600; font-size: 19px;
  color: var(--purple-800); letter-spacing: .04em;
}
.intro__heading { display: flex; align-items: center; gap: 10px; margin-top: 2px; }
.intro__heading::before, .intro__heading::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.intro__heading h2 {
  font-family: var(--serif); font-weight: 700; font-size: 22px;
  color: var(--purple-800); letter-spacing: .03em; white-space: nowrap;
}
.features { list-style: none; padding: 0; margin-bottom: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; margin-top: 16px; }
.feature {
  background: #fff; border-radius: 6px; padding: 12px 4px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  text-align: center;
}
.feature img { width: 44px; height: 44px; margin: -8px 0 -6px; }
.feature span {
  font-family: var(--serif); font-weight: 600; font-size: 12.5px; line-height: 1.4; color: var(--purple-800);
}

/* ---------- CTAボタン ---------- */
.btn {
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  height: 54px; border-radius: 6px;
  font-family: var(--serif); font-weight: 600; font-size: 18px; letter-spacing: .08em;
  background: var(--purple-700); color: #fff;
  box-shadow: 0 4px 12px rgba(74, 31, 115, .3);
  transition: background .2s;
}
.btn:hover { background: var(--purple-800); color: #fff; }
.btn__arrow { position: absolute; right: 18px; font-size: 20px; }
.btn--light {
  height: 50px; border-radius: 4px; font-weight: 700; font-size: 17px;
  background: #fff; color: var(--purple-800); box-shadow: none;
}
.btn--light:hover { background: var(--lavender); color: var(--purple-800); }
.btn--light .btn__arrow { right: 16px; }
.intro .btn { margin-top: 14px; }
.access .btn { margin-top: 16px; }

/* CTAアニメーション：ぷるぷる＋キラッ */
@keyframes cta-pulse {
  0%, 70%, 100% { transform: scale(1); }
  76% { transform: scale(1.04) rotate(-1deg); }
  82% { transform: scale(1.04) rotate(1deg); }
  88% { transform: scale(1.03) rotate(-.6deg); }
  94% { transform: scale(1) rotate(0); }
}
@keyframes cta-shine { 0% { left: -75%; } 100% { left: 125%; } }
.cta { animation: cta-pulse 2s ease-in-out infinite; will-change: transform; }
.cta::after {
  content: ""; position: absolute; top: 0; left: -75%; width: 45%; height: 100%;
  background: linear-gradient(100deg, rgba(255,255,255,0) 0%, rgba(255,255,255,.55) 50%, rgba(255,255,255,0) 100%);
  transform: skewX(-25deg); pointer-events: none;
}
.cta:hover { animation-play-state: paused; }
.cta:hover::after { animation: cta-shine .7s ease-out; }
.btn--light.cta::after {
  background: linear-gradient(100deg, rgba(90,42,134,0) 0%, rgba(90,42,134,.18) 50%, rgba(90,42,134,0) 100%);
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cta, .cta:hover::after { animation: none; }
}

/* ---------- お悩み ---------- */
.problems { padding-top: 30px; }
.problem {
  padding: 11px; text-align: center;
  font-family: var(--serif); font-weight: 500; font-size: 15px; color: var(--purple-900);
}

/* ---------- コンセプト ---------- */
.concept__img { width: 100%; height: 250px; object-fit: cover; object-position: 50% 38%; border-radius: 4px; }
.concept__text { margin-top: 12px; text-align: center; font-size: 13px; line-height: 1.8; color: #4d4357; text-wrap: pretty; }

/* ---------- 選ばれる理由 ---------- */
.reasons { display: flex; flex-direction: column; gap: 10px; }
.reason { border: 1px solid var(--border); border-radius: 6px; overflow: hidden; background: #fff; }
.reason img { width: 100%; height: 220px; object-fit: cover; }
.reason__body { display: flex; gap: 12px; align-items: center; padding: 10px 12px 12px; }
.reason__body > div, .step > div, .voice > div { min-width: 0; }

/* ---------- 流れ ---------- */
.flow { padding-top: 30px; }
.step { padding: 12px 14px; display: flex; gap: 14px; align-items: center; }
.step .item-title { font-size: 15.5px; }

/* ---------- トレーナー ---------- */
.trainer { padding-top: 30px; text-align: center; }
.trainer__img { width: 86%; margin: 0 auto; aspect-ratio: 4 / 3; object-fit: cover; object-position: 50% 3%; }
.trainer__name { margin-top: 12px; font-family: var(--serif); font-weight: 700; font-size: 17px; color: var(--purple-900); }
.trainer__role { margin-top: 4px; font-size: 12px; color: var(--text-sub); }
.sep { margin: 0 8px; color: var(--line); }

/* ---------- お客様の声 ---------- */
.voice { padding: 12px; display: flex; align-items: center; gap: 12px; }
.voice img {
  flex: none; width: 64px; height: 64px; border-radius: 50%;
  object-fit: cover; object-position: center 35%;
  border: 2px solid #fff; box-shadow: 0 2px 6px rgba(74, 31, 115, .15);
}
.voice .item-title { font-size: 14px; line-height: 1.5; }
.voice .item-text { margin-top: 4px; }

/* ---------- 料金 ---------- */
.plan { padding: 13px 12px; text-align: center; }
.plan__name { font-family: var(--serif); font-weight: 700; font-size: 18px; color: var(--purple-900); }
.plan__name small { font-size: 13px; font-weight: 500; }
.plan__text { margin-top: 4px; font-size: 11.5px; color: var(--text-sub); }

.offer {
  margin-top: 10px; padding: 18px 12px 12px; border-radius: 6px;
  background: linear-gradient(180deg, var(--purple-700), var(--purple-800));
  color: #fff; text-align: center;
  scroll-margin-top: 16px;
}
.offer__label { font-family: var(--serif); font-weight: 600; font-size: 17px; letter-spacing: .1em; }
.offer__price { margin-top: 2px; font-family: var(--serif); font-weight: 700; font-size: 44px; line-height: 1.1; letter-spacing: .01em; }
.offer__yen { font-size: 22px; }
.offer__tax { font-size: 15px; font-weight: 500; }
.offer__line { height: 1px; background: rgba(255,255,255,.4); margin: 12px 18px; }
.offer__limit { margin-bottom: 12px; font-family: var(--serif); font-weight: 600; font-size: 17px; letter-spacing: .1em; }
.offer__limit strong { font-size: 22px; margin: 0 2px; }

/* ---------- FAQ（details/summary） ---------- */
.faq { padding-top: 30px; }
.faq__item { padding: 13px 12px; text-align: center; }
.faq__item summary {
  list-style: none; cursor: pointer;
  font-family: var(--serif); font-weight: 700; font-size: 14.5px; color: var(--purple-900);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item p { margin-top: 6px; font-size: 11.5px; line-height: 1.6; color: var(--text-sub); }

/* ---------- アクセス ---------- */
.access { padding: 30px 16px 28px; }
.access__img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.access__addr { margin-top: 10px; text-align: center; font-family: var(--serif); font-weight: 600; font-size: 13px; color: var(--purple-900); }
.access__addr .sep { margin: 0 6px; }

/* ---------- フッター ---------- */
.footer { background: var(--purple-900); color: #fff; text-align: center; padding: 18px; font-size: 11px; letter-spacing: .08em; }