@charset "UTF-8";
/* =========================================================
   インプラントLP — 専用スタイル
   DESIGN.MD "Ethereal Clinic" トーン準拠
   ========================================================= */

/* ---------------------------------------------------------
   Design Tokens (LP local)
   --------------------------------------------------------- */
.imp {
  --imp-primary: #006685;
  --imp-primary-light: #e8f4f8;
  --imp-primary-mid: #b3dae8;
  --imp-secondary: #735947;
  --imp-secondary-light: #f0ebe7;
  --imp-tertiary: #715d00;
  --imp-bg: #f4fafa;
  --imp-surface: #fff;
  --imp-text: #161d1d;
  --imp-text-sub: #4a5656;
  --imp-text-muted: #7a8a8a;
  --imp-radius-xl: 1.5rem;
  --imp-radius-md: 0.75rem;
  --imp-shadow-ambient: 0 8px 32px rgba(22,29,29,0.04);
}

/* ---------------------------------------------------------
   共通セクション
   --------------------------------------------------------- */
.imp-section {
  padding: 64px 0;
}

@media (min-width: 768px) {
  .imp-section { padding: 96px 0; }
}

.imp-section--white { background-color: var(--imp-surface); }
.imp-section--tinted { background-color: var(--imp-bg); }
.imp-section--dark { background-color: var(--imp-primary); }
.imp-section--last { padding-bottom: 80px; }

.imp-section__head {
  margin-bottom: 48px;
}

/* ---------------------------------------------------------
   共通見出し
   --------------------------------------------------------- */
.imp-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--imp-primary);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.imp-label--light { color: rgba(255,255,255,0.6); }

.imp-heading {
  font-size: 24px;
  font-weight: 700;
  color: var(--imp-text);
  line-height: 1.5;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .imp-heading { font-size: 32px; }
}

.imp-heading--light { color: #fff; }

.imp-desc {
  font-size: 15px;
  color: var(--imp-text-sub);
  line-height: 2;
  max-width: 580px;
}

.imp-desc--light { color: rgba(255,255,255,0.6); }

/* ---------------------------------------------------------
   共通ボタン
   --------------------------------------------------------- */
.imp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 700;
  font-family: var(--font-base);
  border-radius: var(--imp-radius-md);
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
  border: none;
  line-height: 1.4;
}

.imp-btn--primary {
  background: linear-gradient(135deg, var(--imp-primary), #008aad);
  color: #fff;
}

.imp-btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,102,133,0.3);
}

.imp-btn--outline {
  background-color: var(--imp-surface);
  color: var(--imp-primary);
  box-shadow: inset 0 0 0 2px var(--imp-primary-mid);
}

.imp-btn--outline:hover {
  background-color: var(--imp-primary-light);
}

.imp-btn--white {
  background-color: #fff;
  color: var(--imp-primary);
}

.imp-btn--white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

/* ---------------------------------------------------------
   アニメーション (reveal は kk- と共用、imp でも定義)
   --------------------------------------------------------- */
.imp .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.imp .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------------------------------------------------------
   ヒーロー
   --------------------------------------------------------- */
.imp-hero {
  position: relative;
  overflow: hidden;
  min-height: 60vh;
  display: flex;
  align-items: center;
  padding: 40px 0;
  background-color: var(--imp-bg);
}

.imp-hero::before {
  content: '';
  position: absolute;
  top: -120px; right: -80px;
  width: 420px; height: 420px;
  border-radius: 50%;
  background-color: var(--imp-primary-mid);
  opacity: 0.3;
  z-index: 0;
}

.imp-hero::after {
  content: '';
  position: absolute;
  bottom: -80px; left: 20%;
  width: 280px; height: 280px;
  border-radius: 50%;
  background-color: rgba(0,102,133,0.06);
  z-index: 0;
}

.imp-hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

@media (min-width: 768px) {
  .imp-hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
  }
}

.imp-hero__bread {
  font-size: 12px;
  color: var(--imp-text-muted);
  margin-bottom: 24px;
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}

.imp-hero__bread a { color: var(--imp-primary); }
.imp-hero__bread a:hover { text-decoration: underline; }

.imp-hero__tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
  letter-spacing: 0.12em;
  background: linear-gradient(135deg, var(--imp-primary), #008aad);
  color: #fff;
}

.imp-hero__h1 {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--imp-text);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .imp-hero__h1 { font-size: clamp(26px, 3.5vw, 38px); }
}

.imp-hero__accent {
  color: var(--imp-primary);
  border-bottom: 4px solid var(--imp-primary-mid);
}

.imp-hero__lead {
  font-size: 14px;
  color: var(--imp-text-sub);
  line-height: 2;
  margin-bottom: 36px;
}

@media (min-width: 768px) {
  .imp-hero__lead { font-size: 15px; }
}

.imp-hero__btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ヒーローカード */
.imp-hero__card {
  background-color: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--imp-radius-xl);
  padding: 36px 32px;
  box-shadow: var(--imp-shadow-ambient);
}

.imp-hero__card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.imp-hero__card-icon {
  width: 52px; height: 52px;
  background-color: var(--imp-primary-light);
  border-radius: var(--imp-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.imp-hero__card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--imp-text);
}

.imp-hero__card-sub {
  font-size: 12px;
  color: var(--imp-text-muted);
}

.imp-hero__checklist {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.imp-hero__checklist li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--imp-text);
  padding: 10px 14px;
  background-color: var(--imp-primary-light);
  border-radius: 10px;
}

.imp-hero__check {
  width: 22px; height: 22px;
  background-color: var(--imp-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}

/* ---------------------------------------------------------
   お悩みカード
   --------------------------------------------------------- */
.imp-worry__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 768px) {
  .imp-worry__grid { grid-template-columns: repeat(3, 1fr); }
}

.imp-worry__card {
  background-color: var(--imp-bg);
  border-radius: var(--imp-radius-xl);
  padding: 32px 24px;
  transition: all 0.25s ease;
}

.imp-worry__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--imp-shadow-ambient);
}

.imp-worry__emoji { font-size: 40px; margin-bottom: 14px; }

.imp-worry__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--imp-text);
  margin-bottom: 8px;
  line-height: 1.5;
}

.imp-worry__body {
  font-size: 13px;
  color: var(--imp-text-sub);
  line-height: 1.9;
}

/* ---------------------------------------------------------
   選ばれる理由（2カラム: テキスト左 + 画像右）
   --------------------------------------------------------- */
.imp-reason {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

@media (min-width: 768px) {
  .imp-reason {
    flex-direction: row;
    align-items: center;
    gap: 60px;
  }
}

.imp-reason__text {
  flex: 1;
}

.imp-reason__img {
  flex: 1;
  border-radius: var(--imp-radius-xl);
  overflow: hidden;
}

.imp-reason__img img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.imp-reason__list {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-top: 28px;
}

.imp-reason__item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.imp-reason__num {
  font-size: 32px;
  font-weight: 800;
  color: var(--imp-primary-mid);
  line-height: 1;
  flex-shrink: 0;
  min-width: 40px;
}

.imp-reason__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--imp-text);
  margin-bottom: 6px;
  line-height: 1.5;
}

.imp-reason__body {
  font-size: 14px;
  color: var(--imp-text-sub);
  line-height: 1.9;
}

/* ---------------------------------------------------------
   比較表
   --------------------------------------------------------- */
.imp-compare {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.imp-compare__table {
  width: 100%;
  min-width: 560px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 14px;
}

.imp-compare__table th,
.imp-compare__table td {
  padding: 16px 20px;
  text-align: center;
  vertical-align: middle;
  line-height: 1.6;
}

.imp-compare__table thead th {
  font-weight: 700;
  font-size: 15px;
  color: var(--imp-text);
  padding-bottom: 20px;
}

.imp-compare__table tbody tr {
  background-color: var(--imp-bg);
}

.imp-compare__table tbody tr:nth-child(even) {
  background-color: var(--imp-surface);
}

.imp-compare__label {
  font-weight: 700;
  color: var(--imp-text);
  text-align: left !important;
  white-space: nowrap;
}

.imp-compare__highlight {
  color: var(--imp-primary);
  font-weight: 700;
  background-color: var(--imp-primary-light) !important;
}

.imp-compare__table thead .imp-compare__highlight {
  border-radius: var(--imp-radius-md) var(--imp-radius-md) 0 0;
}

.imp-compare__table tbody tr:last-child .imp-compare__highlight {
  border-radius: 0 0 var(--imp-radius-md) var(--imp-radius-md);
}

/* ---------------------------------------------------------
   設備
   --------------------------------------------------------- */
.imp-equip__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 768px) {
  .imp-equip__grid { grid-template-columns: repeat(2, 1fr); }
}

.imp-equip__card {
  background-color: var(--imp-surface);
  border-radius: var(--imp-radius-xl);
  padding: 36px 28px;
  box-shadow: var(--imp-shadow-ambient);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.imp-equip__icon {
  width: 56px; height: 56px;
  background-color: var(--imp-primary-light);
  border-radius: var(--imp-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.imp-equip__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--imp-text);
}

.imp-equip__body {
  font-size: 14px;
  color: var(--imp-text-sub);
  line-height: 1.9;
}

/* ---------------------------------------------------------
   治療の流れ
   --------------------------------------------------------- */
.imp-flow__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  position: relative;
}

@media (min-width: 768px) {
  .imp-flow__grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
  }

  .imp-flow__grid::before {
    content: '';
    position: absolute;
    top: 44px;
    left: 10%; right: 10%;
    height: 2px;
    background-color: rgba(255,255,255,0.15);
  }
}

.imp-flow__item {
  padding: 0 12px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.imp-flow__circle {
  width: 88px; height: 88px;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.1);
  border: 2px solid rgba(255,255,255,0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.imp-flow__step-label {
  font-size: 10px;
  font-weight: 700;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.1em;
}

.imp-flow__step-num {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

.imp-flow__title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.imp-flow__desc {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  line-height: 1.8;
}

/* ---------------------------------------------------------
   費用カード
   --------------------------------------------------------- */
.imp-fee__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: 700px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .imp-fee__grid { grid-template-columns: repeat(2, 1fr); }
}

.imp-fee__card {
  background-color: var(--imp-bg);
  border-radius: var(--imp-radius-xl);
  padding: 36px 28px;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.imp-fee__card:hover {
  box-shadow: var(--imp-shadow-ambient);
  transform: translateY(-3px);
}

.imp-fee__card--featured {
  background-color: var(--imp-primary-light);
}

.imp-fee__card--featured::before {
  content: 'おすすめ';
  position: absolute;
  top: 0; right: 0;
  background: linear-gradient(135deg, var(--imp-primary), #008aad);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 5px 14px;
  border-bottom-left-radius: 10px;
}

.imp-fee__phase {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--imp-primary);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.imp-fee__name {
  font-size: 17px;
  font-weight: 700;
  color: var(--imp-text);
  margin-bottom: 16px;
  line-height: 1.5;
}

.imp-fee__price {
  font-size: 34px;
  font-weight: 800;
  color: var(--imp-text);
  line-height: 1;
}

.imp-fee__price small {
  font-size: 13px;
  font-weight: 400;
}

.imp-fee__tax {
  font-size: 12px;
  color: var(--imp-text-muted);
  margin-top: 4px;
  margin-bottom: 20px;
}

.imp-fee__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px dashed var(--imp-primary-mid);
}

.imp-fee__list li {
  font-size: 13px;
  color: var(--imp-text-sub);
  display: flex;
  gap: 8px;
  line-height: 1.6;
}

.imp-fee__list li::before {
  content: '✓';
  color: var(--imp-primary);
  font-weight: 700;
  flex-shrink: 0;
}

.imp-fee__note {
  margin-top: 24px;
  text-align: center;
  font-size: 13px;
  color: var(--imp-text-muted);
}

/* ---------------------------------------------------------
   患者さまの声
   --------------------------------------------------------- */
.imp-voice__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 768px) {
  .imp-voice__grid { grid-template-columns: repeat(2, 1fr); }
}

.imp-voice__card {
  background-color: rgba(255,255,255,0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--imp-radius-xl);
  padding: 28px;
  box-shadow: var(--imp-shadow-ambient);
}

.imp-voice__top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.imp-voice__avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background-color: var(--imp-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.imp-voice__name {
  font-size: 14px;
  font-weight: 700;
  color: var(--imp-text);
}

.imp-voice__meta {
  font-size: 12px;
  color: var(--imp-text-muted);
  margin-top: 2px;
}

.imp-voice__stars {
  margin-left: auto;
  color: #F5C940;
  font-size: 14px;
  letter-spacing: 2px;
}

.imp-voice__text {
  font-size: 14px;
  color: var(--imp-text-sub);
  line-height: 1.9;
}

/* ---------------------------------------------------------
   FAQ
   --------------------------------------------------------- */
.imp-faq__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 780px;
}

.imp-faq__item {
  background-color: var(--imp-bg);
  border-radius: var(--imp-radius-md);
  overflow: hidden;
}

.imp-faq__q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 500;
  color: var(--imp-text);
  cursor: pointer;
  list-style: none;
}

.imp-faq__q::-webkit-details-marker { display: none; }

.imp-faq__icon {
  width: 28px; height: 28px;
  background-color: var(--imp-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

.imp-faq__icon--a {
  background-color: var(--imp-secondary);
}

.imp-faq__toggle {
  margin-left: auto;
  width: 10px; height: 10px;
  border-right: 2px solid var(--imp-text-muted);
  border-bottom: 2px solid var(--imp-text-muted);
  transform: rotate(45deg);
  transition: transform 0.3s;
  flex-shrink: 0;
}

details[open] .imp-faq__toggle {
  transform: rotate(-135deg);
}

.imp-faq__a {
  display: flex;
  gap: 12px;
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--imp-text-sub);
  line-height: 1.9;
  padding-top: 16px;
}

/* ---------------------------------------------------------
   CTA
   --------------------------------------------------------- */
.imp-cta {
  background: linear-gradient(135deg, var(--imp-primary), #008aad);
  border-radius: var(--imp-radius-xl);
  padding: 48px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .imp-cta { padding: 64px 48px; }
}

.imp-cta::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.08);
}

.imp-cta::after {
  content: '';
  position: absolute;
  bottom: -40px; left: -40px;
  width: 160px; height: 160px;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.06);
}

.imp-cta__h2 {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  line-height: 1.6;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .imp-cta__h2 { font-size: clamp(22px, 2.6vw, 28px); }
}

.imp-cta__sub {
  font-size: 15px;
  color: rgba(255,255,255,0.8);
  line-height: 2;
  margin-bottom: 36px;
  position: relative;
  z-index: 1;
}

.imp-cta__btns {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.imp-cta__chips {
  margin-top: 24px;
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.imp-cta__chip {
  font-size: 13px;
  color: rgba(255,255,255,0.75);
}

/* ---------------------------------------------------------
   レスポンシブ（タブレット）
   --------------------------------------------------------- */
@media (max-width: 1024px) {
  .imp-hero__inner { grid-template-columns: 1fr; }

  .imp-flow__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .imp-flow__grid::before { display: none; }
}

/* ---------------------------------------------------------
   レスポンシブ（スマホ）
   --------------------------------------------------------- */
@media (max-width: 767px) {
  .imp-hero {
    min-height: auto;
    padding: 32px 0;
  }

  .imp-hero__h1 { font-size: 22px; }
  .imp-hero__card { padding: 24px 20px; }
  .imp-heading { font-size: 22px; }
  .imp-section { padding: 48px 0; }
  .imp-flow__grid { grid-template-columns: 1fr; }
  .imp-cta { padding: 40px 20px; }

  .imp-cta__btns {
    flex-direction: column;
    align-items: center;
  }

  .imp-cta__btns .imp-btn {
    width: 100%;
    max-width: 280px;
  }

  .imp-cta__chips { gap: 10px; }
  .imp-fee__price { font-size: 26px; }
}