/* =========================================================
   fs-whitening.css — ホワイトニング（クリーン再構築版）専用CSS
   デザインは旧Brizy版（brz-whitening）を1:1で踏襲：
   ・アクセント #b25757（帯・見出し）／リード赤 #ff0000
   ・種類カード背景 rgba(245,212,209,.15)／メニュー背景 #fff7f7
   ・症例集ボタン #ff9187／プラン帯 #fa709a→#fee140
   ========================================================= */

/* ---------- セクション共通 ---------- */

.fs-page .wh-section {
  margin: 0 0 80px;
}

.fs-page .wh-section .container > p {
  line-height: 2;
  margin-bottom: 1em;
}

.fs-page .wh-note-pink {
  color: #ffb2b2;
}

.fs-page .wh-red {
  color: #ff0000;
}

/* 症例集ボタン（Brizy版 brz-btn の踏襲：サーモンピンク＋白文字＋矢印） */
.fs-page .wh-btn {
  display: inline-block;
  min-width: 300px;
  padding: 14px 28px;
  color: #fff;
  background: #ff9187;
  font-family: 'Noto Serif JP', serif;
  font-size: 15px;
  letter-spacing: 1px;
  text-align: center;
  text-decoration: none;
  transition: background 0.3s;
}

.fs-page .wh-btn::after {
  content: '→';
  margin-left: 10px;
}

.fs-page .wh-btn:hover {
  background: rgba(255, 191, 185, 0.95);
}

/* ---------- 歯が白くなるメカニズム：3画像ガイド ---------- */

.fs-page .sakura-whitening-mechanism-guide {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  width: 100%;
  margin: 30px 0 60px;
}

.fs-page .sakura-whitening-mechanism-guide__item {
  min-width: 0;
}

.fs-page .sakura-whitening-mechanism-guide__label {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  margin: 0 0 10px;
  padding: 8px 10px;
  color: #b25757;
  background: #fff6f9;
  border-top: 1px solid #f2c6cc;
  border-bottom: 1px solid #f2c6cc;
  font-family: 'Noto Serif JP', 'Noto Serif', serif;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  text-align: center;
}

.fs-page .sakura-whitening-mechanism-guide__image {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- ホワイトニングを行う前の検査 ---------- */

.fs-page .sakura-whitening-precheck {
  max-width: 1080px;
  margin: 0 auto 80px;
  padding: 0 20px;
}

.fs-page .sakura-whitening-precheck__eyebrow {
  display: block;
  width: fit-content;
  max-width: 100%;
  margin: 0 auto 20px;
  padding: 10px 22px;
  color: #b25757;
  background: #fff6f9;
  border-top: 1px solid #f2c6cc;
  border-bottom: 1px solid #f2c6cc;
  font-family: 'Noto Serif JP', 'Noto Serif', serif;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.7;
  text-align: center;
}

.fs-page .sakura-whitening-precheck__title {
  margin: 0 0 20px;
  font-family: 'Noto Serif JP', serif;
  font-size: 26px;
  font-weight: 500;
  text-align: center;
  color: #1c1c1c;
}

.fs-page .sakura-whitening-precheck__body p {
  line-height: 2;
}

.fs-page .sakura-whitening-precheck__body p + p {
  margin-top: 15px;
}

/* ---------- ホワイトニングの種類：カード ---------- */

.fs-page .wh-type {
  background: rgba(245, 212, 209, 0.15);
  padding: 35px 40px 40px;
  margin-bottom: 20px;
}

.fs-page .wh-type__ttl {
  width: fit-content;
  max-width: 100%;
  margin: 0 auto 25px;
  padding: 0 40px 8px;
  border-bottom: 2px solid #b25757;
  font-family: 'Noto Serif JP', serif;
  font-size: 22px;
  font-weight: 500;
  text-align: center;
  color: #1c1c1c;
}

.fs-page .wh-type__lead {
  color: #ff0000;
  margin-bottom: 1em;
}

.fs-page .wh-type__txt p {
  line-height: 2;
}

.fs-page .wh-type__cols {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}

.fs-page .wh-type__cols .wh-type__txt {
  flex: 1;
}

.fs-page .wh-type__img {
  flex: 1;
}

.fs-page .wh-type__img img {
  display: block;
  width: 100%;
  height: auto;
}

.fs-page .wh-type__btnrow {
  display: flex;
  justify-content: flex-end;
  margin-top: 20px;
}

/* ---------- ホワイトニング症例 ---------- */

.fs-page .wh-case {
  max-width: 680px;
  margin: 0 auto;
  padding: 30px;
  background: #fff;
  border: 1px solid #ddd;
}

.fs-page .wh-case img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
}

.fs-page .wh-case__btnrow {
  text-align: center;
  margin-top: 25px;
}

/* ---------- メニューと料金：ページ内メニュー ---------- */

.fs-page .wh-menu {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 60px;
}

.fs-page .wh-menu__group {
  background: #fff7f7;
  padding: 25px 30px 30px;
}

.fs-page .wh-menu__group--wide {
  grid-column: 1 / -1;
}

.fs-page .wh-menu__ttl {
  width: fit-content;
  max-width: 100%;
  margin: 0 auto 20px;
  padding: 0 15px 8px;
  border-bottom: 1px solid #b25757;
  color: #b25757;
  font-family: 'Noto Serif JP', serif;
  font-size: 18px;
  font-weight: 500;
  text-align: center;
}

.fs-page .wh-menu__group ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.fs-page .wh-menu__group li {
  margin-bottom: 8px;
}

.fs-page .wh-menu__group li::before {
  content: '・';
}

.fs-page .wh-menu__group a {
  color: #1c1c1c;
  text-decoration: none;
}

.fs-page .wh-menu__group a:hover {
  text-decoration: underline;
}

/* ---------- 料金プランカード ---------- */

.fs-page .wh-plan {
  max-width: 860px;
  margin: 0 auto 30px;
  background: #fff;
  border: 1px solid #ddd;
  scroll-margin-top: 120px;
}

/* プラン名帯（Brizy版 .whiteh2 の踏襲：ピンク→イエローのグラデ帯） */
.fs-page .whiteh2 {
  margin: 0;
  padding: 1rem 2rem;
  color: #fff;
  font-family: serif;
  font-size: 22px;
  font-weight: 500;
  text-align: center;
  background-image: linear-gradient(to right, #fa709a 0%, #fee140 100%);
}

.fs-page .wh-plan__body {
  padding: 30px 40px 40px;
  text-align: center;
}

.fs-page .wh-plan__pricelabel {
  font-size: 14px;
  margin-bottom: 10px;
}

.fs-page .wh-plan__price {
  font-family: 'Noto Serif JP', serif;
  font-size: 22px;
  letter-spacing: 2px;
  line-height: 1.5;
}

.fs-page .wh-plan__tax {
  color: #ff0000;
  font-size: 14px;
  margin-bottom: 10px;
}

/* 治療内容などの吹き出しラベル（Brizy版 .whitep の踏襲） */
.fs-page .whitep {
  position: relative;
  margin: 25px 0 30px;
  padding: 1.5rem 2rem;
  border: 3px solid #d8d8d8;
  border-radius: 10px;
  background: #f9f9f9;
  font-family: serif;
  font-size: 16px;
  font-weight: 700;
  text-align: left;
}

.fs-page .whitep::before {
  position: absolute;
  bottom: -14px;
  left: 1em;
  width: 0;
  height: 0;
  content: '';
  border-width: 14px 12px 0 12px;
  border-style: solid;
  border-color: #d8d8d8 transparent transparent transparent;
}

.fs-page .whitep::after {
  position: absolute;
  bottom: -10px;
  left: 1em;
  width: 0;
  height: 0;
  content: '';
  border-width: 14px 12px 0 12px;
  border-style: solid;
  border-color: #f9f9f9 transparent transparent transparent;
}

.fs-page .wh-plan__txt {
  margin-bottom: 10px;
}

.fs-page .wh-plan__txt p {
  line-height: 2;
}

/* ---------- 画像クリック拡大（ライトボックス／fs-whitening.js） ---------- */

.fs-page .fs-lightbox-target {
  cursor: zoom-in;
}

.fs-lightbox {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 30px;
  background: rgba(28, 28, 28, 0.85);
}

.fs-lightbox.is-open {
  display: flex;
}

.fs-lightbox__figure {
  margin: 0;
  text-align: center;
}

.fs-lightbox__img {
  display: block;
  max-width: min(1000px, 92vw);
  max-height: 82vh;
  width: auto;
  height: auto;
  margin: 0 auto;
  background: #fff;
}

.fs-lightbox__caption {
  margin-top: 12px;
  color: #fff;
  font-family: 'Noto Serif JP', serif;
  font-size: 14px;
}

.fs-lightbox__close {
  position: absolute;
  top: 14px;
  right: 18px;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  color: #fff;
  font-size: 36px;
  line-height: 1;
  cursor: pointer;
}

body.fs-lightbox-open {
  overflow: hidden;
}

/* ---------- Tablet / SP ---------- */

@media screen and (max-width: 991px) {

  .fs-page .wh-section {
    margin-bottom: 60px;
  }

  .fs-page .sakura-whitening-mechanism-guide {
    grid-template-columns: 1fr;
    gap: 28px;
    margin: 25px 0 45px;
  }

  .fs-page .sakura-whitening-mechanism-guide__label {
    min-height: 0;
  }

  .fs-page .wh-type__cols {
    flex-direction: column;
    gap: 20px;
  }

  .fs-page .wh-menu {
    grid-template-columns: 1fr;
  }
}

@media screen and (max-width: 767px) {

  .fs-page .sakura-whitening-mechanism-guide__label {
    padding: 8px 10px;
    font-size: 14px;
  }

  .fs-page .sakura-whitening-precheck__eyebrow {
    width: 100%;
    padding: 10px 12px;
    font-size: 15px;
  }

  .fs-page .sakura-whitening-precheck__title {
    font-size: 21px;
  }

  .fs-page .wh-type {
    padding: 25px 20px 30px;
  }

  .fs-page .wh-type__ttl {
    font-size: 19px;
    padding: 0 15px 8px;
  }

  .fs-page .wh-type__btnrow {
    justify-content: center;
  }

  .fs-page .wh-btn {
    min-width: 0;
    width: 100%;
    font-size: 14px;
  }

  .fs-page .wh-case {
    padding: 20px 15px;
  }

  .fs-page .whiteh2 {
    font-size: 18px;
    padding: 0.8rem 1rem;
  }

  .fs-page .wh-plan__body {
    padding: 25px 20px 30px;
  }

  .fs-page .wh-plan__price {
    font-size: 20px;
  }
}