:root {
  color-scheme: light;
  --navy: #143b4a;
  --teal: #2d7771;
  --cream: #f8f6f0;
  --ink: #213238;
  --line: #dce8e4;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  line-height: 1.8;
}
a { color: var(--teal); }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid #e0a928;
  outline-offset: 3px;
}
.skip-link {
  position: absolute;
  top: -80px;
  left: 16px;
  z-index: 100;
  padding: 10px 16px;
  color: #fff;
  background: var(--navy);
}
.skip-link:focus { top: 12px; }
.site-header {
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.header-inner, main, .footer-inner {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 82px;
}
.brand { color: var(--navy); font-weight: 800; text-decoration: none; }
.brand small { display: block; color: var(--teal); letter-spacing: .12em; }
nav { display: flex; flex-wrap: wrap; gap: 18px; }
nav a { color: var(--ink); text-decoration: none; font-weight: 600; }
nav a[aria-current="page"] { text-decoration: underline; text-underline-offset: 5px; }
main { padding: 70px 0 90px; }
.breadcrumbs {
  margin: 0 0 34px;
  color: #5d6f74;
  font-size: .9rem;
}
.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.breadcrumbs li + li::before {
  content: "›";
  margin-right: 8px;
  color: #8b999d;
}
.eyebrow { color: var(--teal); font-weight: 800; letter-spacing: .16em; }
h1, h2, h3 { color: var(--navy); line-height: 1.4; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); margin: 12px 0 24px; }
h2 { margin-top: 54px; font-size: clamp(1.45rem, 3vw, 2rem); }
h3 { margin-top: 28px; }
.lead { font-size: 1.12rem; max-width: 760px; }
.answer-summary {
  position: relative;
  margin: 30px 0 44px;
  padding: 24px 26px 24px 78px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--teal);
  background: #f7faf8;
}
.answer-summary::before {
  content: "結論";
  position: absolute;
  top: 24px;
  left: 20px;
  color: var(--teal);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .08em;
}
.care-path {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 28px 0 44px;
  padding: 1px;
  background: var(--line);
}
.care-path a {
  position: relative;
  min-height: 120px;
  padding: 22px 28px 20px 20px;
  color: var(--ink);
  background: #fff;
  text-decoration: none;
}
.care-path a:not(:last-child)::after {
  content: "→";
  position: absolute;
  top: 45%;
  right: 9px;
  color: var(--teal);
}
.care-path strong { display: block; color: var(--navy); }
.care-path small { display: block; margin-top: 8px; line-height: 1.55; }
.use-case-grid .card { border-radius: 4px; }
.use-case-grid .card a { font-weight: 700; }
.recruit-status {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 18px 0 24px;
  padding: 14px 18px;
  border: 1px solid #e5c889;
  background: #fff8e9;
}
.recruit-status strong {
  padding: 4px 10px;
  color: #fff;
  background: #b56e24;
  font-size: .8rem;
}
.recruit-status span { font-weight: 700; }
.content { max-width: 820px; }
.content p, .content li { max-width: 76ch; }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin-top: 28px;
}
.card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
}
.card h2, .card h3 { margin-top: 0; }
.card-link {
  display: block;
  height: 100%;
  color: inherit;
  text-decoration: none;
}
.card-link:hover h2, .card-link:hover h3 { text-decoration: underline; }
.check-list { padding-left: 1.4em; }
.check-list li { margin: .55em 0; }
.note {
  margin: 30px 0;
  padding: 18px 20px;
  border-left: 4px solid var(--gold, #b49159);
  background: var(--cream);
}
.faq {
  margin-top: 18px;
  border-top: 1px solid var(--line);
}
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  padding: 18px 4px;
  color: var(--navy);
  font-weight: 800;
  cursor: pointer;
}
.faq details p { padding: 0 4px 18px; }
.service-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0;
  padding: 0;
  list-style: none;
}
.service-links a {
  display: inline-block;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  text-decoration: none;
}
.clinic-cta {
  margin-top: 64px;
  padding: 28px;
  color: #fff;
  background: var(--navy);
}
.clinic-cta h2 { margin-top: 0; color: #fff; }
.clinic-cta p { max-width: 70ch; }
.clinic-cta .button { background: #fff; color: var(--navy); }
.updated { color: #64747a; font-size: .85rem; }
.related { margin-top: 54px; }
.facts { padding: 24px; border-radius: 16px; background: var(--cream); }

/* 院長紹介 */
.doctor-profile { max-width: 960px; }
.doctor-profile > .lead { max-width: 820px; }
.doctor-signature {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin: 34px 0 64px;
  padding: 22px 26px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.doctor-signature p { margin: 0; }
.doctor-signature span {
  display: block;
  color: #64747a;
  font-size: .8rem;
}
.doctor-signature strong {
  display: block;
  color: var(--navy);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: .12em;
}
.doctor-strengths {
  margin: 0 0 72px;
  padding: 38px;
  background: #f5f8f6;
}
.doctor-strengths h2 { margin: 8px 0 12px; }
.doctor-strength-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 30px;
  background: #dce8e4;
  border: 1px solid #dce8e4;
}
.doctor-strength-card {
  position: relative;
  min-height: 220px;
  padding: 28px;
  color: var(--ink);
  background: #fff;
  text-decoration: none;
  transition: background-color .2s ease, transform .2s ease;
}
.doctor-strength-card:hover {
  z-index: 1;
  background: #fffdf7;
  transform: translateY(-2px);
}
.doctor-strength-card > span {
  color: var(--teal);
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .16em;
}
.doctor-strength-card h3 { margin: 10px 0; font-size: 1.2rem; }
.doctor-strength-card p { margin: 0; font-size: .93rem; }
.table-scroll {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
}
.therapy-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: #fff;
}
.therapy-table th,
.therapy-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.therapy-table thead th {
  color: #fff;
  background: var(--navy);
}
.therapy-table tbody th { color: var(--navy); }
.therapy-table tbody tr:last-child th,
.therapy-table tbody tr:last-child td { border-bottom: 0; }

/* ホワイトニング特設ページ */
.whitening-special {
  --whitening-mint: #dff3ec;
  --whitening-yellow: #f3cb72;
  --whitening-pink: #f6d7d5;
  --whitening-paper: #fffdf7;
  background:
    radial-gradient(circle at 8% 18%, rgba(223, 243, 236, .68), transparent 24rem),
    radial-gradient(circle at 92% 38%, rgba(246, 215, 213, .48), transparent 22rem),
    #fff;
}
.whitening-special .site-header {
  position: relative;
  z-index: 20;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
}
.whitening-main { padding-top: 34px; }
.whitening-main .breadcrumbs { margin-bottom: 20px; }
.whitening-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr);
  min-height: 560px;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid rgba(45, 119, 113, .14);
  border-radius: 36px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .97), rgba(255, 253, 247, .88)),
    var(--whitening-paper);
  box-shadow: 0 28px 80px rgba(20, 59, 74, .12);
}
.whitening-hero::before {
  position: absolute;
  right: -90px;
  bottom: -145px;
  width: 570px;
  height: 570px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--whitening-mint) 0 54%, transparent 55%);
  content: "";
  z-index: -2;
  animation: whitening-hero-blob 9s ease-in-out infinite;
}
.whitening-hero::after {
  position: absolute;
  right: 25%;
  bottom: -130px;
  width: 270px;
  height: 270px;
  border: 44px solid rgba(243, 203, 114, .16);
  border-radius: 50%;
  content: "";
  z-index: -1;
  animation: whitening-ring-turn 18s linear infinite;
}
.whitening-hero-copy {
  align-self: center;
  padding: 58px 18px 58px 64px;
  animation: whitening-rise .7s ease-out both;
}
.whitening-kicker {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: .76rem;
  font-weight: 900;
  letter-spacing: .18em;
}
.whitening-hero h1 {
  max-width: 660px;
  margin: 0;
  color: var(--navy);
  font-size: clamp(2.45rem, 5vw, 4.7rem);
  line-height: 1.18;
  letter-spacing: -.04em;
}
.whitening-hero h1 strong {
  display: inline-block;
  font-size: .55em;
  font-weight: 700;
  letter-spacing: .08em;
}
.whitening-hero h1 span {
  position: relative;
  display: inline-block;
  color: var(--teal);
}
.whitening-hero h1 span::after {
  position: absolute;
  right: 0;
  bottom: -.06em;
  left: 0;
  height: .15em;
  border-radius: 999px;
  background: var(--whitening-yellow);
  content: "";
  opacity: .72;
  transform: rotate(-1deg);
  transform-origin: left;
  z-index: -1;
  animation: whitening-underline 1.1s .35s cubic-bezier(.2, .8, .2, 1) both;
}
.whitening-hero-lead {
  max-width: 610px;
  margin: 28px 0 22px;
  font-size: 1.05rem;
  line-height: 2;
}
.whitening-price-card {
  position: relative;
  display: inline-grid;
  grid-template-columns: auto auto;
  align-items: end;
  column-gap: 12px;
  padding: 13px 18px;
  border: 1px solid rgba(45, 119, 113, .18);
  border-radius: 18px;
  background: rgba(223, 243, 236, .62);
  color: var(--navy);
  overflow: hidden;
  animation: whitening-price-pulse 4.8s ease-in-out infinite;
}
.whitening-price-card::after {
  position: absolute;
  top: -60%;
  bottom: -60%;
  left: -35%;
  width: 24%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .9), transparent);
  content: "";
  transform: rotate(18deg);
  animation: whitening-sheen 4.8s 1.2s ease-in-out infinite;
}
.whitening-price-card > span {
  grid-column: 1 / -1;
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .08em;
}
.whitening-price-card strong { font-size: 1.15rem; }
.whitening-price-card strong b {
  margin-right: 3px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.05rem;
  line-height: 1;
}
.whitening-price-card small {
  padding-bottom: 4px;
  color: #617278;
}
.whitening-hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 20px;
}
.whitening-primary-button {
  margin: 0;
  padding-inline: 24px;
  box-shadow: 0 12px 26px rgba(45, 119, 113, .22);
  animation: whitening-button-glow 3.6s ease-in-out infinite;
}
.whitening-text-link {
  color: var(--navy);
  font-size: .92rem;
  font-weight: 800;
  text-decoration: none;
}
.whitening-text-link:hover { text-decoration: underline; }
.whitening-mascot-stage {
  position: relative;
  align-self: stretch;
  display: grid;
  place-items: center;
  min-height: 500px;
  padding: 80px 30px 50px;
}
.whitening-mascot-stage img {
  position: relative;
  z-index: 2;
  width: min(300px, 84%);
  height: auto;
  border-radius: 44% 56% 48% 52%;
  filter: saturate(1.05);
  animation: whitening-float 4.2s ease-in-out infinite;
}
.whitening-mascot-stage:hover img {
  animation: whitening-mascot-wave .8s ease-in-out infinite alternate;
}
.whitening-orbit {
  position: absolute;
  z-index: 3;
  width: 330px;
  height: 330px;
  border: 2px dashed rgba(45, 119, 113, .2);
  border-radius: 50%;
  animation: whitening-orbit-turn 14s linear infinite;
}
.whitening-orbit i {
  position: absolute;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #fff;
  color: #d6a646;
  font-style: normal;
  box-shadow: 0 8px 20px rgba(20, 59, 74, .12);
}
.whitening-orbit i:nth-child(1) { top: -17px; left: calc(50% - 17px); }
.whitening-orbit i:nth-child(2) {
  right: 9px;
  bottom: 44px;
  color: var(--teal);
  font-size: .58rem;
}
.whitening-orbit i:nth-child(3) { bottom: 13px; left: 35px; }
.whitening-mascot-shadow {
  position: absolute;
  z-index: 1;
  bottom: 95px;
  width: 210px;
  height: 30px;
  border-radius: 50%;
  background: rgba(20, 59, 74, .13);
  filter: blur(7px);
  animation: whitening-shadow 4.2s ease-in-out infinite;
}
.whitening-speech {
  position: absolute;
  z-index: 4;
  top: 42px;
  left: 0;
  margin: 0;
  padding: 14px 18px;
  border: 2px solid rgba(45, 119, 113, .22);
  border-radius: 22px 22px 4px 22px;
  background: #fff;
  color: var(--navy);
  font-size: .9rem;
  font-weight: 900;
  line-height: 1.55;
  box-shadow: 0 14px 32px rgba(20, 59, 74, .1);
  transform: rotate(-3deg);
  animation: whitening-talk 3.8s ease-in-out infinite;
}
.whitening-limit-badge {
  position: absolute;
  z-index: 5;
  right: 12px;
  bottom: 40px;
  margin: 0;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--navy);
  color: #fff;
  font-size: .77rem;
  line-height: 1.35;
  box-shadow: 0 12px 28px rgba(20, 59, 74, .22);
  animation: whitening-badge-bob 3.2s .6s ease-in-out infinite;
}
.whitening-limit-badge strong {
  display: block;
  color: var(--whitening-yellow);
  font-size: 1rem;
}
.whitening-spark {
  position: absolute;
  z-index: 4;
  color: #d6a646;
  font-size: 2.2rem;
  line-height: 1;
  animation: whitening-twinkle 2.6s ease-in-out infinite;
}
.whitening-spark--one { top: 12%; right: 7%; }
.whitening-spark--two {
  right: 37%;
  bottom: 13%;
  color: #79b6a7;
  font-size: 1.4rem;
  animation-delay: .8s;
}
.whitening-spark--three {
  top: 36%;
  right: 41%;
  color: #df9292;
  font-size: 1.15rem;
  animation-delay: 1.35s;
}
.whitening-spark--four {
  right: 17%;
  bottom: 7%;
  font-size: 1.65rem;
  animation-delay: 1.9s;
}
.whitening-bubble {
  position: absolute;
  z-index: 0;
  border: 2px solid rgba(45, 119, 113, .18);
  border-radius: 50%;
  animation: whitening-drift 6s ease-in-out infinite;
}
.whitening-bubble--one {
  top: 19%;
  right: 30%;
  width: 28px;
  height: 28px;
}
.whitening-bubble--two {
  right: 5%;
  bottom: 31%;
  width: 46px;
  height: 46px;
  animation-delay: 1.2s;
}
.whitening-bubble--three {
  top: 9%;
  right: 23%;
  width: 16px;
  height: 16px;
  border-color: rgba(223, 146, 146, .32);
  animation-delay: 2.1s;
}
.whitening-bubble--four {
  right: 45%;
  bottom: 7%;
  width: 22px;
  height: 22px;
  border-color: rgba(214, 166, 70, .32);
  animation-delay: 3s;
}
.whitening-jump-nav {
  position: relative;
  z-index: 8;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  margin: -22px auto 58px;
  width: min(920px, calc(100% - 40px));
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--line);
  box-shadow: 0 14px 34px rgba(20, 59, 74, .1);
}
.whitening-jump-nav a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 64px;
  padding: 10px;
  background: #fff;
  color: var(--navy);
  font-size: .83rem;
  font-weight: 800;
  text-decoration: none;
  transition: color .2s ease, background-color .2s ease;
  animation: whitening-nav-arrive .55s ease-out both;
}
.whitening-jump-nav a:nth-child(2) { animation-delay: .08s; }
.whitening-jump-nav a:nth-child(3) { animation-delay: .16s; }
.whitening-jump-nav a:nth-child(4) { animation-delay: .24s; }
.whitening-jump-nav a:nth-child(5) { animation-delay: .32s; }
.whitening-jump-nav a:nth-child(6) { animation-delay: .4s; }
.whitening-jump-nav a:hover {
  color: #fff;
  background: var(--teal);
  transform: translateY(-2px);
}
.whitening-jump-nav span {
  color: #a67c32;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1rem;
}
.whitening-fun-guide {
  position: relative;
  display: grid;
  grid-template-columns: minmax(180px, .85fr) minmax(0, 2fr) 90px;
  align-items: center;
  gap: 24px;
  width: min(980px, 100%);
  margin: -24px auto 58px;
  padding: 24px 28px;
  overflow: hidden;
  border: 1px solid rgba(45, 119, 113, .16);
  border-radius: 28px;
  background:
    radial-gradient(circle at 100% 0, rgba(246, 215, 213, .58), transparent 13rem),
    linear-gradient(120deg, #fff, rgba(223, 243, 236, .55));
  box-shadow: 0 18px 44px rgba(20, 59, 74, .09);
  animation: whitening-guide-arrive .75s .2s ease-out both;
}
.whitening-fun-guide::before {
  position: absolute;
  right: 115px;
  bottom: 24px;
  left: 260px;
  height: 3px;
  background: repeating-linear-gradient(90deg, var(--whitening-yellow) 0 10px, transparent 10px 20px);
  content: "";
  opacity: .72;
  animation: whitening-road 1.4s linear infinite;
}
.whitening-fun-guide__title {
  position: relative;
  z-index: 2;
}
.whitening-fun-guide__title span {
  color: var(--teal);
  font-size: .68rem;
  font-weight: 900;
  letter-spacing: .16em;
}
.whitening-fun-guide__title h2 {
  margin: 5px 0 0;
  color: var(--navy);
  font-size: 1.18rem;
  line-height: 1.5;
}
.whitening-fun-guide ol {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.whitening-fun-guide li {
  display: grid;
  grid-template-columns: 44px 1fr;
  align-items: center;
  min-height: 66px;
  padding: 9px 12px;
  border: 1px solid rgba(45, 119, 113, .12);
  border-radius: 18px;
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 8px 18px rgba(20, 59, 74, .07);
}
.whitening-fun-guide li > span {
  grid-row: 1 / 3;
  font-size: 1.65rem;
  line-height: 1;
  transform-origin: center bottom;
  animation: whitening-icon-hop 2.8s ease-in-out infinite;
}
.whitening-fun-guide li:nth-child(2) > span { animation-delay: .35s; }
.whitening-fun-guide li:nth-child(3) > span { animation-delay: .7s; }
.whitening-fun-guide li strong {
  align-self: end;
  color: var(--navy);
  font-size: .88rem;
}
.whitening-fun-guide li small {
  align-self: start;
  color: #65757a;
  font-size: .68rem;
}
.whitening-fun-guide > img {
  position: relative;
  z-index: 2;
  width: 90px;
  height: 90px;
  border: 5px solid #fff;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 10px 24px rgba(20, 59, 74, .12);
  animation: whitening-guide-rabbit 3s ease-in-out infinite;
}
.whitening-special .content {
  max-width: 900px;
  margin-inline: auto;
}
.whitening-special .content > h2 {
  scroll-margin-top: 24px;
  margin-top: 76px;
}
.whitening-special .content > h2::before {
  display: inline-block;
  margin-right: 10px;
  color: #d6a646;
  content: "✦";
  font-size: .72em;
  transform: translateY(-.08em);
  animation: whitening-heading-star 2.4s ease-in-out infinite;
}
.whitening-special .facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  overflow: hidden;
  padding: 0;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 18px 42px rgba(20, 59, 74, .08);
}
.whitening-special .facts p {
  min-height: 94px;
  margin: 0;
  padding: 20px 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.whitening-special .facts p:nth-child(2n) { border-right: 0; }
.whitening-special .facts p:last-child {
  grid-column: 1 / -1;
  border-right: 0;
  border-bottom: 0;
}
.whitening-special .facts strong {
  display: block;
  margin-bottom: 3px;
  color: var(--teal);
}
.whitening-special .therapy-table thead th {
  background: linear-gradient(135deg, var(--navy), var(--teal));
}
.whitening-special .table-scroll {
  box-shadow: 0 16px 36px rgba(20, 59, 74, .07);
}
.whitening-next-course {
  position: relative;
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) 116px;
  align-items: center;
  gap: 28px;
  margin: 36px 0 72px;
  padding: 30px 32px;
  overflow: hidden;
  border: 3px solid var(--teal);
  border-radius: 28px;
  background:
    radial-gradient(circle at 100% 0, rgba(246, 215, 213, .7), transparent 15rem),
    linear-gradient(120deg, #fff, rgba(223, 243, 236, .72));
  box-shadow: 0 20px 48px rgba(20, 59, 74, .12);
}
.whitening-next-course::before {
  position: absolute;
  top: 14px;
  right: 138px;
  color: #d6a646;
  font-size: 1.9rem;
  content: "✦";
  animation: whitening-twinkle 2.4s ease-in-out infinite;
}
.whitening-next-course__calendar {
  display: grid;
  place-items: center;
  min-height: 138px;
  overflow: hidden;
  border: 2px solid rgba(20, 59, 74, .12);
  border-radius: 22px;
  background: #fff;
  color: var(--navy);
  box-shadow: 0 12px 26px rgba(20, 59, 74, .1);
  animation: whitening-calendar-bob 3.8s ease-in-out infinite;
}
.whitening-next-course__calendar > span {
  align-self: stretch;
  display: grid;
  place-items: center;
  width: 100%;
  min-height: 34px;
  background: var(--teal);
  color: #fff;
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .12em;
}
.whitening-next-course__calendar strong {
  margin-top: 5px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 3.15rem;
  line-height: .9;
}
.whitening-next-course__calendar strong span {
  margin-inline: 1px;
  color: var(--teal);
  font-size: .48em;
}
.whitening-next-course__calendar small {
  margin-bottom: 9px;
  color: #617278;
  font-weight: 800;
}
.whitening-next-course__copy { position: relative; z-index: 2; }
.whitening-next-course__eyebrow {
  margin: 0 0 5px;
  color: var(--teal);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .08em;
}
.whitening-next-course h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(1.75rem, 3.8vw, 2.75rem);
  line-height: 1.35;
  letter-spacing: -.035em;
}
.whitening-next-course h2 strong {
  display: inline-block;
  padding-inline: .18em;
  color: #176b65;
  font-size: 1.16em;
  text-decoration: underline;
  text-decoration-color: var(--whitening-yellow);
  text-decoration-thickness: .24em;
  text-underline-offset: -.08em;
  text-decoration-skip-ink: none;
}
.whitening-next-course__decision {
  display: inline-block;
  margin: 13px 0 10px;
  padding: 8px 13px;
  border-radius: 8px;
  background: var(--navy);
  color: #fff;
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  font-weight: 900;
}
.whitening-next-course__copy > p:last-child {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
}
.whitening-next-course > img {
  position: relative;
  z-index: 2;
  width: 116px;
  height: 116px;
  object-fit: contain;
  animation: whitening-guide-rabbit 3s ease-in-out infinite;
}
.whitening-evidence-note {
  margin: -46px 0 72px;
  padding: 24px 28px;
  border: 1px solid rgba(45, 119, 113, .24);
  border-radius: 20px;
  background: #fff;
  box-shadow: inset 5px 0 var(--whitening-yellow), 0 12px 30px rgba(20, 59, 74, .06);
}
.whitening-evidence-note h3 {
  margin: 0 0 12px;
  color: var(--navy);
  font-size: 1.15rem;
}
.whitening-evidence-note p {
  margin: 9px 0;
  font-size: .94rem;
  line-height: 1.85;
}
.whitening-evidence-note ul {
  margin: 16px 0 0;
  padding-left: 1.25em;
}
.whitening-evidence-note li { margin: 8px 0; }
.whitening-evidence-note a { font-weight: 700; }
.whitening-overuse {
  margin: 72px 0;
  padding: 42px;
  border: 1px solid rgba(20, 59, 74, .14);
  background: #fff;
}
.whitening-overuse__eyebrow {
  margin: 0 0 10px;
  color: var(--teal);
  font-size: .74rem;
  font-weight: 900;
  letter-spacing: .18em;
}
.whitening-overuse > h2 {
  margin: 0;
  font-size: clamp(1.75rem, 4vw, 2.7rem);
  line-height: 1.45;
}
.whitening-overuse__lead {
  max-width: 62ch;
  margin: 20px 0 26px;
  color: #465b60;
  font-size: 1.03rem;
  line-height: 1.9;
}
.whitening-overuse__alert {
  display: grid;
  grid-template-columns: 48px 1fr;
  align-items: center;
  gap: 16px;
  margin: 26px 0 32px;
  padding: 18px 20px;
  border-left: 4px solid #d2853c;
  background: #fff6eb;
}
.whitening-overuse__alert > span {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #d2853c;
  color: #fff;
  font-size: 1.35rem;
  font-weight: 900;
}
.whitening-overuse__alert p { margin: 0; line-height: 1.7; }
.whitening-overuse__alert strong { display: block; color: #7a431e; }
.whitening-evidence-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 32px 0;
  border: 1px solid var(--line);
  background: var(--line);
}
.whitening-evidence-grid article {
  min-height: 230px;
  padding: 28px;
  background: #fbfaf7;
}
.whitening-evidence-grid article > span {
  display: block;
  margin-bottom: 20px;
  color: #b48638;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.35rem;
}
.whitening-evidence-grid h3 {
  margin: 0 0 12px;
  color: var(--navy);
  font-size: 1.12rem;
}
.whitening-evidence-grid p {
  margin: 0;
  color: #4c6065;
  font-size: .91rem;
  line-height: 1.85;
}
.whitening-study-limit {
  margin: 34px 0 20px;
  padding: 24px 26px;
  border: 1px solid rgba(53, 111, 105, .24);
  background: #f1f6f3;
}
.whitening-study-limit h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}
.whitening-study-limit p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.9;
}
.whitening-study-list {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.whitening-study-list summary {
  padding: 20px 4px;
  color: var(--teal);
  font-weight: 800;
  cursor: pointer;
}
.whitening-study-list ol {
  margin: 0;
  padding: 0 0 24px 1.5em;
}
.whitening-study-list li {
  margin: 10px 0;
  padding-left: 4px;
  font-size: .86rem;
  line-height: 1.65;
}
.whitening-study-list a { overflow-wrap: anywhere; }
.whitening-special .grid .card {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  box-shadow: 0 14px 30px rgba(20, 59, 74, .07);
  transition: transform .25s ease, box-shadow .25s ease;
}
.whitening-special .grid .card::after {
  position: absolute;
  right: -20px;
  bottom: -24px;
  width: 78px;
  height: 78px;
  border-radius: 50%;
  background: var(--whitening-mint);
  content: "";
  opacity: .6;
  animation: whitening-card-bubble 5s ease-in-out infinite;
}
.whitening-special .grid .card:nth-child(2)::after { background: var(--whitening-yellow); }
.whitening-special .grid .card:nth-child(2)::after { animation-delay: .5s; }
.whitening-special .grid .card:nth-child(3)::after {
  background: var(--whitening-pink);
  animation-delay: 1s;
}
.whitening-special .grid .card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(20, 59, 74, .12);
}
.whitening-special .note {
  border: 0;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--cream), #fff);
  box-shadow: inset 4px 0 var(--whitening-yellow);
}
.whitening-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 0;
  list-style: none;
  counter-reset: whitening-step;
}
.whitening-steps li {
  position: relative;
  min-height: 150px;
  margin: 0;
  padding: 52px 22px 22px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #fff;
  counter-increment: whitening-step;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.whitening-steps li:hover {
  border-color: rgba(45, 119, 113, .38);
  box-shadow: 0 16px 30px rgba(20, 59, 74, .1);
  transform: translateY(-4px) rotate(-.4deg);
}
.whitening-steps li::after {
  position: absolute;
  top: 13px;
  right: 16px;
  color: var(--whitening-yellow);
  content: "✦";
  animation: whitening-twinkle 2.6s ease-in-out infinite;
}
.whitening-steps li:nth-child(2)::after { animation-delay: .4s; }
.whitening-steps li:nth-child(3)::after { animation-delay: .8s; }
.whitening-steps li:nth-child(4)::after { animation-delay: 1.2s; }
.whitening-steps li::before {
  position: absolute;
  top: 14px;
  left: 18px;
  color: var(--teal);
  content: "STEP " counter(whitening-step, decimal-leading-zero);
  font-family: Georgia, "Times New Roman", serif;
  font-size: .86rem;
  font-weight: 800;
  letter-spacing: .08em;
}
.whitening-rabbit-tip {
  display: grid;
  grid-template-columns: 96px 1fr;
  align-items: center;
  gap: 16px;
  margin: 28px 0 0;
  padding: 18px 24px;
  border: 1px dashed rgba(45, 119, 113, .4);
  border-radius: 24px;
  background: rgba(223, 243, 236, .45);
}
.whitening-rabbit-tip img {
  border-radius: 50%;
  animation: whitening-tip 3.5s ease-in-out infinite;
}
.whitening-rabbit-tip p { margin: 0; }
.whitening-special .faq {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 16px 38px rgba(20, 59, 74, .07);
}
.whitening-special .faq details { padding-inline: 18px; }
.whitening-special .faq details:last-child { border-bottom: 0; }
.whitening-special .faq details[open] p {
  animation: whitening-faq-open .32s ease-out both;
}
.whitening-special .clinic-cta {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  background:
    radial-gradient(circle at 90% 20%, rgba(243, 203, 114, .3), transparent 13rem),
    linear-gradient(135deg, var(--navy), #205c64);
  box-shadow: 0 24px 54px rgba(20, 59, 74, .2);
}
.whitening-special .clinic-cta::after {
  position: absolute;
  right: 28px;
  bottom: 18px;
  color: rgba(255, 255, 255, .26);
  content: "✦  ✧  ✦";
  font-size: 2rem;
  letter-spacing: .18em;
  animation: whitening-cta-stars 4s ease-in-out infinite;
}

@supports (animation-timeline: view()) {
  .whitening-special .facts,
  .whitening-special .content > h2,
  .whitening-next-course,
  .whitening-evidence-note,
  .whitening-special .grid .card,
  .whitening-special .note,
  .whitening-steps li,
  .whitening-special .faq,
  .whitening-special .clinic-cta {
    animation: whitening-scroll-reveal linear both;
    animation-timeline: view();
    animation-range: entry 5% cover 24%;
  }
  .whitening-special .grid .card:nth-child(2),
  .whitening-steps li:nth-child(2) { animation-range: entry 10% cover 29%; }
  .whitening-special .grid .card:nth-child(3),
  .whitening-steps li:nth-child(3) { animation-range: entry 15% cover 34%; }
  .whitening-steps li:nth-child(4) { animation-range: entry 20% cover 39%; }
}

@keyframes whitening-hero-blob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-16px, -10px) scale(1.04); }
}
@keyframes whitening-ring-turn {
  to { transform: rotate(360deg); }
}
@keyframes whitening-underline {
  from { opacity: 0; transform: scaleX(0) rotate(-1deg); }
  to { opacity: .72; transform: scaleX(1) rotate(-1deg); }
}
@keyframes whitening-price-pulse {
  0%, 100% { transform: translateY(0) rotate(0); box-shadow: 0 0 0 rgba(45, 119, 113, 0); }
  50% { transform: translateY(-3px) rotate(-.4deg); box-shadow: 0 12px 24px rgba(45, 119, 113, .12); }
}
@keyframes whitening-sheen {
  0%, 58% { left: -35%; opacity: 0; }
  64% { opacity: 1; }
  82%, 100% { left: 125%; opacity: 0; }
}
@keyframes whitening-button-glow {
  0%, 100% { box-shadow: 0 12px 26px rgba(45, 119, 113, .2); }
  50% { box-shadow: 0 14px 34px rgba(45, 119, 113, .36); }
}
@keyframes whitening-orbit-turn {
  to { transform: rotate(360deg); }
}
@keyframes whitening-mascot-wave {
  from { transform: translateY(-7px) rotate(-3deg); }
  to { transform: translateY(-12px) rotate(3deg); }
}
@keyframes whitening-talk {
  0%, 100% { transform: translateY(0) rotate(-3deg) scale(1); }
  50% { transform: translateY(-5px) rotate(-1deg) scale(1.025); }
}
@keyframes whitening-badge-bob {
  0%, 100% { transform: translateY(0) rotate(1deg); }
  50% { transform: translateY(-7px) rotate(-1deg); }
}
@keyframes whitening-nav-arrive {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes whitening-guide-arrive {
  from { opacity: 0; transform: translateY(20px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes whitening-road {
  to { background-position: 20px 0; }
}
@keyframes whitening-icon-hop {
  0%, 72%, 100% { transform: translateY(0) rotate(0); }
  80% { transform: translateY(-8px) rotate(-5deg); }
  88% { transform: translateY(0) rotate(4deg); }
}
@keyframes whitening-guide-rabbit {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-6px) rotate(3deg); }
}
@keyframes whitening-heading-star {
  0%, 100% { opacity: .55; transform: translateY(-.08em) rotate(0) scale(.86); }
  50% { opacity: 1; transform: translateY(-.08em) rotate(22deg) scale(1.15); }
}
@keyframes whitening-card-bubble {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-7px, -5px) scale(1.08); }
}
@keyframes whitening-calendar-bob {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-6px) rotate(1deg); }
}
@keyframes whitening-faq-open {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes whitening-cta-stars {
  0%, 100% { opacity: .45; transform: translateY(0) rotate(-2deg); }
  50% { opacity: .9; transform: translateY(-8px) rotate(2deg); }
}
@keyframes whitening-scroll-reveal {
  from { opacity: 0; transform: translateY(30px) scale(.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes whitening-rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes whitening-float {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-14px) rotate(1deg); }
}
@keyframes whitening-shadow {
  0%, 100% { opacity: .85; transform: scale(1); }
  50% { opacity: .48; transform: scale(.84); }
}
@keyframes whitening-twinkle {
  0%, 100% { opacity: .45; transform: scale(.8) rotate(0); }
  50% { opacity: 1; transform: scale(1.18) rotate(20deg); }
}
@keyframes whitening-drift {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}
@keyframes whitening-tip {
  0%, 100% { transform: rotate(-2deg); }
  50% { transform: rotate(3deg) translateY(-3px); }
}

/* 歯科口腔外科特設ページ */
.special-home-button {
  padding: 8px 13px;
  border: 2px solid var(--teal);
  border-radius: 999px;
  background: #fff;
  color: var(--teal);
  font-weight: 900;
}
.special-home-button:hover {
  background: var(--teal);
  color: #fff;
  text-decoration: none;
}
.oral-surgery-special {
  --oral-coral: #f5a29a;
  --oral-yellow: #ffd877;
  --oral-mint: #ccefe4;
  --oral-blue: #b9ddf3;
  background:
    radial-gradient(circle at 6% 16%, rgba(204, 239, 228, .65), transparent 25rem),
    radial-gradient(circle at 96% 38%, rgba(245, 162, 154, .28), transparent 24rem),
    #fffefa;
}
.oral-surgery-special .site-header {
  position: relative;
  z-index: 30;
  background: rgba(255, 255, 255, .93);
  backdrop-filter: blur(12px);
}
.oral-surgery-main { padding-top: 32px; }
.oral-surgery-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(300px, .82fr);
  align-items: center;
  min-height: 540px;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid rgba(45, 119, 113, .14);
  border-radius: 38px;
  background:
    radial-gradient(circle at 88% 18%, rgba(255, 216, 119, .48), transparent 16rem),
    linear-gradient(135deg, #fff, rgba(204, 239, 228, .55));
  box-shadow: 0 28px 74px rgba(20, 59, 74, .12);
}
.oral-surgery-hero::before {
  position: absolute;
  right: -110px;
  bottom: -180px;
  z-index: -1;
  width: 520px;
  height: 520px;
  border-radius: 47% 53% 58% 42%;
  background: rgba(185, 221, 243, .58);
  content: "";
  animation: oral-blob 8s ease-in-out infinite;
}
.oral-surgery-hero__copy {
  padding: 58px 22px 58px 60px;
  animation: oral-arrive .7s ease-out both;
}
.oral-surgery-hero h1 {
  margin: 8px 0 22px;
  font-size: clamp(2.25rem, 5.5vw, 4.45rem);
  line-height: 1.25;
  letter-spacing: -.04em;
}
.oral-surgery-hero h1 strong {
  position: relative;
  color: var(--teal);
}
.oral-surgery-hero h1 strong::after {
  position: absolute;
  right: 0;
  bottom: -.06em;
  left: 0;
  z-index: -1;
  height: .18em;
  border-radius: 999px;
  background: var(--oral-yellow);
  content: "";
  transform: rotate(-1deg);
  animation: oral-line 1s .3s ease-out both;
}
.oral-surgery-hero .lead { max-width: 630px; line-height: 2; }
.oral-surgery-hero__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 24px;
}
.oral-surgery-hero__actions .button {
  margin: 0;
  border-radius: 14px;
  box-shadow: 0 12px 26px rgba(45, 119, 113, .2);
  animation: oral-button 3.2s ease-in-out infinite;
}
.oral-surgery-home-link {
  color: var(--navy);
  font-weight: 900;
  text-decoration: none;
}
.oral-surgery-home-link:hover { text-decoration: underline; }
.oral-surgery-hero__mascot {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 470px;
}
.oral-surgery-hero__mascot img {
  position: relative;
  z-index: 3;
  width: min(270px, 78%);
  height: auto;
  filter: saturate(1.08);
  animation: oral-rabbit 4s ease-in-out infinite;
}
.oral-surgery-hero__mascot p {
  position: absolute;
  top: 38px;
  left: 0;
  z-index: 5;
  margin: 0;
  padding: 13px 17px;
  border: 2px solid rgba(45, 119, 113, .24);
  border-radius: 22px 22px 4px 22px;
  background: #fff;
  color: var(--navy);
  font-weight: 900;
  line-height: 1.55;
  box-shadow: 0 13px 30px rgba(20, 59, 74, .1);
  animation: oral-talk 3.2s ease-in-out infinite;
}
.oral-surgery-hero__orbit {
  position: absolute;
  z-index: 2;
  width: 320px;
  height: 320px;
  border: 2px dashed rgba(45, 119, 113, .2);
  border-radius: 50%;
  animation: oral-orbit 15s linear infinite;
}
.oral-surgery-hero__orbit i {
  position: absolute;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #fff;
  color: #d69b2b;
  font-style: normal;
  box-shadow: 0 7px 18px rgba(20, 59, 74, .12);
}
.oral-surgery-hero__orbit i:nth-child(1) { top: -17px; left: calc(50% - 17px); }
.oral-surgery-hero__orbit i:nth-child(2) { right: 10px; bottom: 40px; color: var(--teal); font-size: .6rem; }
.oral-surgery-hero__orbit i:nth-child(3) { bottom: 10px; left: 34px; }
.oral-surgery-hero__spark {
  position: absolute;
  z-index: 4;
  color: #d69b2b;
  font-size: 2rem;
  animation: oral-twinkle 2.4s ease-in-out infinite;
}
.oral-surgery-hero__spark--1 { top: 14%; right: 5%; }
.oral-surgery-hero__spark--2 { right: 37%; bottom: 13%; color: #df7f78; animation-delay: .8s; }
.oral-surgery-hero__bubble {
  position: absolute;
  z-index: 2;
  display: grid;
  place-items: center;
  border: 2px solid rgba(45, 119, 113, .15);
  border-radius: 50%;
  background: rgba(255, 255, 255, .75);
  color: var(--teal);
  animation: oral-bubble 5s ease-in-out infinite;
}
.oral-surgery-hero__bubble--1 { top: 12%; right: 31%; width: 48px; height: 48px; }
.oral-surgery-hero__bubble--2 { right: 4%; bottom: 24%; width: 38px; height: 38px; animation-delay: 1s; }
.oral-surgery-topic-nav {
  position: relative;
  z-index: 8;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin: -25px auto 64px;
  padding: 18px;
  width: min(1000px, calc(100% - 34px));
  border: 1px solid rgba(45, 119, 113, .16);
  border-radius: 26px;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 18px 42px rgba(20, 59, 74, .12);
}
.oral-surgery-topic-nav a {
  display: grid;
  grid-template-columns: 38px 1fr;
  align-items: center;
  min-height: 76px;
  padding: 10px;
  border: 1px solid rgba(45, 119, 113, .12);
  border-radius: 18px;
  background: linear-gradient(135deg, #fff, rgba(204, 239, 228, .3));
  color: var(--navy);
  text-decoration: none;
  box-shadow: 0 7px 16px rgba(20, 59, 74, .06);
  transition: transform .22s ease, box-shadow .22s ease, background-color .22s ease;
  animation: oral-card-in .5s ease-out both;
}
.oral-surgery-topic-nav a:nth-child(2n) { background: linear-gradient(135deg, #fff, rgba(255, 216, 119, .28)); }
.oral-surgery-topic-nav a:nth-child(3n) { background: linear-gradient(135deg, #fff, rgba(245, 162, 154, .2)); }
.oral-surgery-topic-nav a:hover {
  transform: translateY(-5px) rotate(-.5deg);
  box-shadow: 0 14px 24px rgba(20, 59, 74, .12);
}
.oral-surgery-topic-nav a > span {
  grid-row: 1 / 3;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: #fff;
  color: var(--teal);
  font-size: 1.15rem;
  box-shadow: 0 5px 12px rgba(20, 59, 74, .08);
  animation: oral-icon 3.2s ease-in-out infinite;
}
.oral-surgery-topic-nav a:nth-child(2n) > span { animation-delay: .45s; }
.oral-surgery-topic-nav strong { font-size: .82rem; line-height: 1.35; }
.oral-surgery-topic-nav small { color: #66787d; font-size: .68rem; line-height: 1.3; }
.oral-surgery-content { max-width: 900px; }
.oral-surgery-content > h2 {
  position: relative;
  margin-top: 72px;
  padding: 18px 22px 18px 58px;
  border: 1px solid rgba(45, 119, 113, .14);
  border-radius: 20px;
  background:
    radial-gradient(circle at 100% 0, rgba(255, 216, 119, .28), transparent 10rem),
    linear-gradient(135deg, #fff, rgba(204, 239, 228, .42));
  box-shadow: 0 12px 28px rgba(20, 59, 74, .07);
}
.oral-surgery-content > h2::before {
  position: absolute;
  top: 50%;
  left: 20px;
  color: #d69b2b;
  content: "✦";
  transform: translateY(-50%);
  animation: oral-heading-twinkle 2.4s ease-in-out infinite;
}
.oral-surgery-content .note {
  border: 0;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(255, 216, 119, .26), #fff);
  box-shadow: inset 5px 0 var(--oral-coral), 0 12px 26px rgba(20, 59, 74, .06);
}
.oral-surgery-rabbit-tip {
  display: grid;
  grid-template-columns: 58px 1fr;
  align-items: center;
  gap: 14px;
  margin: 26px 0;
  padding: 17px 20px;
  border: 2px dashed rgba(45, 119, 113, .3);
  border-radius: 22px;
  background: rgba(204, 239, 228, .38);
}
.oral-surgery-rabbit-tip > span {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #fff;
  color: var(--teal);
  font-size: 1.8rem;
  box-shadow: 0 7px 16px rgba(20, 59, 74, .08);
  animation: oral-icon 3s ease-in-out infinite;
}
.oral-surgery-rabbit-tip p { margin: 0; }
.oral-surgery-inhouse {
  position: relative;
  display: grid;
  grid-template-columns: 142px 1fr;
  align-items: center;
  gap: 22px;
  overflow: hidden;
  margin: 0 0 42px;
  padding: 26px 32px;
  border: 2px solid rgba(45, 119, 113, .18);
  border-radius: 28px;
  background:
    radial-gradient(circle at 8% 20%, rgba(255, 216, 119, .48), transparent 9rem),
    linear-gradient(135deg, #fff, rgba(204, 239, 228, .55));
  box-shadow: 0 18px 42px rgba(20, 59, 74, .1);
}
.oral-surgery-inhouse::after {
  position: absolute;
  top: 18px;
  right: 24px;
  color: #d69b2b;
  content: "✦";
  font-size: 1.8rem;
  animation: oral-twinkle 2.4s ease-in-out infinite;
}
.oral-surgery-inhouse img {
  width: 128px;
  height: auto;
  animation: oral-rabbit 4s ease-in-out infinite;
}
.oral-surgery-inhouse h2 {
  margin: 2px 0 8px;
  font-size: clamp(1.55rem, 3vw, 2.3rem);
  line-height: 1.35;
}
.oral-surgery-inhouse p { margin: 0; }
.oral-diagram {
  position: relative;
  overflow: hidden;
  margin: 26px 0 46px;
  border: 1px solid rgba(45, 119, 113, .16);
  border-radius: 26px;
  background:
    radial-gradient(circle at 92% 8%, rgba(255, 216, 119, .26), transparent 10rem),
    linear-gradient(135deg, #fff, rgba(185, 221, 243, .2));
  box-shadow: 0 16px 36px rgba(20, 59, 74, .09);
}
.oral-diagram::before {
  position: absolute;
  top: 14px;
  left: 16px;
  z-index: 2;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--navy);
  color: #fff;
  content: "見る図解";
  font-size: .7rem;
  font-weight: 900;
  letter-spacing: .08em;
}
.oral-diagram svg {
  display: block;
  width: 100%;
  height: auto;
  max-height: 330px;
  padding: 18px 24px 4px;
}
.oral-diagram svg text {
  fill: var(--navy);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  font-size: 18px;
  font-weight: 900;
}
.oral-diagram figcaption {
  display: grid;
  gap: 4px;
  padding: 17px 24px 20px;
  border-top: 1px dashed rgba(45, 119, 113, .2);
  background: rgba(255, 255, 255, .75);
}
.oral-diagram figcaption strong {
  color: var(--teal);
  font-size: 1.05rem;
}
.oral-diagram figcaption span {
  color: #53676d;
  font-size: .88rem;
  line-height: 1.75;
}
.oral-diagram__gum {
  fill: #f6c9bc;
  stroke: #dc9188;
  stroke-width: 5;
}
.oral-diagram__tooth path {
  fill: #fffdf4;
  stroke: #2d7771;
  stroke-linejoin: round;
  stroke-width: 6;
}
.oral-diagram__tooth--impacted {
  transform-box: fill-box;
  transform-origin: center;
  transform: rotate(72deg);
  animation: oral-impacted 4.6s ease-in-out infinite;
}
.oral-diagram__tooth--donor {
  transform-box: fill-box;
  transform-origin: center;
  animation: oral-donor 4.8s ease-in-out infinite;
}
.oral-diagram__nerve {
  fill: none;
  stroke: #f0b93d;
  stroke-dasharray: 10 8;
  stroke-linecap: round;
  stroke-width: 12;
  animation: oral-dash 7s linear infinite;
}
.oral-diagram__arrow {
  fill: none;
  stroke: #2d7771;
  stroke-dasharray: 9 7;
  stroke-linecap: round;
  stroke-width: 6;
  animation: oral-dash 4s linear infinite;
}
.oral-diagram__arrowhead { fill: #2d7771; }
.oral-diagram__flap {
  fill: #ee938b;
  stroke: #d96f6a;
  stroke-width: 4;
  animation: oral-pulse 2.4s ease-in-out infinite;
}
.oral-diagram__germs {
  fill: #e46f68;
  stroke: #e46f68;
  stroke-linecap: round;
  stroke-width: 4;
  transform-box: fill-box;
  transform-origin: center;
  animation: oral-germs 2.8s ease-in-out infinite;
}
.oral-diagram__cyst {
  fill: rgba(245, 162, 154, .68);
  stroke: #d96f6a;
  stroke-width: 6;
  transform-box: fill-box;
  transform-origin: center;
  animation: oral-pulse 2.8s ease-in-out infinite;
}
.oral-diagram__scan {
  fill: rgba(20, 59, 74, .88);
  stroke: #2d7771;
  stroke-width: 5;
}
.oral-diagram__scanmark {
  fill: rgba(245, 162, 154, .75);
  stroke: #fff;
  stroke-width: 4;
  animation: oral-scan 2.8s ease-in-out infinite;
}
.oral-diagram__face {
  fill: #ffe4d4;
  stroke: #df9c8e;
  stroke-width: 6;
}
.oral-diagram__joint {
  fill: var(--oral-yellow);
  stroke: #d69b2b;
  stroke-width: 6;
  transform-box: fill-box;
  transform-origin: center;
  animation: oral-pulse 2.5s ease-in-out infinite;
}
.oral-diagram__jawline {
  fill: #fff9e8;
  stroke: #2d7771;
  stroke-linejoin: round;
  stroke-width: 7;
  transform-box: fill-box;
  transform-origin: 10% 10%;
  animation: oral-jaw 3.2s ease-in-out infinite;
}
.oral-diagram__mouth {
  fill: #ef9f9a;
  stroke: #d96f6a;
  stroke-width: 6;
}
.oral-diagram__sore {
  fill: #fff5c7;
  stroke: #e46f68;
  stroke-width: 6;
  animation: oral-pulse 2.5s ease-in-out infinite;
}
.oral-diagram__calendar {
  fill: #fff;
  stroke: #2d7771;
  stroke-width: 7;
}
.oral-diagram__calendar-line {
  fill: none;
  stroke: #2d7771;
  stroke-linecap: round;
  stroke-width: 7;
}
.oral-diagram__socket {
  fill: rgba(185, 221, 243, .75);
  stroke: #2d7771;
  stroke-dasharray: 9 7;
  stroke-width: 5;
}
.oral-diagram-steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 10px;
  padding: 62px 24px 28px;
}
.oral-diagram-steps--three {
  grid-template-columns: 1fr auto 1fr auto 1fr;
}
.oral-diagram-steps > span {
  position: relative;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 5px;
  min-height: 142px;
  padding: 14px 8px;
  border: 2px solid rgba(45, 119, 113, .14);
  border-radius: 21px;
  background: #fff;
  text-align: center;
  box-shadow: 0 10px 22px rgba(20, 59, 74, .07);
  animation: oral-step 4s ease-in-out infinite;
}
.oral-diagram-steps > span:nth-of-type(2) { animation-delay: .35s; }
.oral-diagram-steps > span:nth-of-type(3) { animation-delay: .7s; }
.oral-diagram-steps > span:nth-of-type(4) { animation-delay: 1.05s; }
.oral-diagram-steps b {
  position: absolute;
  top: 8px;
  left: 9px;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--teal);
  color: #fff;
  font-size: .75rem;
}
.oral-diagram-steps i {
  font-size: 2rem;
  font-style: normal;
}
.oral-diagram-steps strong {
  font-size: .78rem;
  line-height: 1.5;
}
.oral-diagram-steps small {
  color: #66787d;
  font-size: .65rem;
}
.oral-diagram-steps em {
  color: #d69b2b;
  font-size: 1.35rem;
  font-style: normal;
  font-weight: 900;
  animation: oral-arrow 1.6s ease-in-out infinite;
}
.oral-surgery-special .faq {
  overflow: hidden;
  padding-inline: 18px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 15px 34px rgba(20, 59, 74, .08);
}
.oral-surgery-special .clinic-cta {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  background:
    radial-gradient(circle at 92% 16%, rgba(255, 216, 119, .28), transparent 13rem),
    linear-gradient(135deg, var(--navy), #256a6a);
  box-shadow: 0 22px 50px rgba(20, 59, 74, .18);
}
.oral-surgery-special .clinic-cta::after {
  position: absolute;
  right: 24px;
  bottom: 16px;
  color: rgba(255, 255, 255, .22);
  content: "✦  🦷  ✧";
  font-size: 1.8rem;
  animation: oral-rabbit 4s ease-in-out infinite;
}
@supports (animation-timeline: view()) {
  .oral-surgery-content > h2,
  .oral-surgery-content > .note,
  .oral-surgery-rabbit-tip,
  .oral-surgery-inhouse,
  .oral-diagram,
  .oral-surgery-special .faq,
  .oral-surgery-special .clinic-cta {
    animation: oral-scroll linear both;
    animation-timeline: view();
    animation-range: entry 5% cover 25%;
  }
}
@keyframes oral-arrive {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes oral-blob {
  0%, 100% { transform: translate(0, 0) rotate(0); }
  50% { transform: translate(-18px, -12px) rotate(5deg); }
}
@keyframes oral-line {
  from { opacity: 0; transform: scaleX(0) rotate(-1deg); }
  to { opacity: 1; transform: scaleX(1) rotate(-1deg); }
}
@keyframes oral-rabbit {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-13px) rotate(2deg); }
}
@keyframes oral-talk {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-5px) rotate(1deg); }
}
@keyframes oral-orbit { to { transform: rotate(360deg); } }
@keyframes oral-twinkle {
  0%, 100% { opacity: .45; transform: scale(.85) rotate(0); }
  50% { opacity: 1; transform: scale(1.16) rotate(22deg); }
}
@keyframes oral-heading-twinkle {
  0%, 100% { opacity: .45; transform: translateY(-50%) scale(.85) rotate(0); }
  50% { opacity: 1; transform: translateY(-50%) scale(1.16) rotate(22deg); }
}
@keyframes oral-bubble {
  0%, 100% { transform: translateY(0) rotate(-3deg); }
  50% { transform: translateY(-16px) rotate(5deg); }
}
@keyframes oral-button {
  0%, 100% { box-shadow: 0 12px 26px rgba(45, 119, 113, .2); }
  50% { box-shadow: 0 15px 34px rgba(45, 119, 113, .38); }
}
@keyframes oral-card-in {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes oral-icon {
  0%, 76%, 100% { transform: translateY(0) rotate(0); }
  84% { transform: translateY(-7px) rotate(-5deg); }
  92% { transform: translateY(0) rotate(4deg); }
}
@keyframes oral-scroll {
  from { opacity: 0; transform: translateY(28px) scale(.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes oral-impacted {
  0%, 100% { transform: rotate(72deg) translateX(0); }
  50% { transform: rotate(72deg) translateX(-4px); }
}
@keyframes oral-donor {
  0%, 100% { transform: translate(0, 0) rotate(0); }
  50% { transform: translate(5px, -7px) rotate(3deg); }
}
@keyframes oral-dash { to { stroke-dashoffset: -100; } }
@keyframes oral-pulse {
  0%, 100% { opacity: .78; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.12); }
}
@keyframes oral-germs {
  0%, 100% { transform: translateY(0) rotate(-3deg); }
  50% { transform: translateY(-7px) rotate(5deg); }
}
@keyframes oral-scan {
  0%, 100% { opacity: .5; }
  50% { opacity: 1; }
}
@keyframes oral-jaw {
  0%, 100% { transform: rotate(0); }
  50% { transform: rotate(7deg); }
}
@keyframes oral-step {
  0%, 75%, 100% { transform: translateY(0); }
  84% { transform: translateY(-8px); }
}
@keyframes oral-arrow {
  0%, 100% { opacity: .5; transform: translateX(-3px); }
  50% { opacity: 1; transform: translateX(4px); }
}
.button {
  display: inline-block;
  margin: 8px 10px 8px 0;
  padding: 12px 20px;
  color: #fff;
  background: var(--teal);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  min-height: 48px;
}
footer { padding: 42px 0; color: #d7e4e5; background: #0c2c38; }
footer a { color: #d7e4e5; }
.mobile-cta { display: none; }
@media (max-width: 720px) {
  .header-inner { align-items: flex-start; flex-direction: column; padding: 18px 0; }
  main { padding-top: 42px; }
  nav { gap: 12px; font-size: .9rem; }
  .special-home-button {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
  }
  .oral-surgery-main {
    width: min(100% - 24px, 1080px);
    padding-top: 24px;
  }
  .oral-surgery-hero {
    grid-template-columns: 1fr;
    min-height: 0;
    border-radius: 26px;
  }
  .oral-surgery-hero__copy { padding: 38px 24px 18px; }
  .oral-surgery-hero h1 { font-size: clamp(2.15rem, 10.5vw, 3.35rem); }
  .oral-surgery-hero .lead { font-size: .96rem; }
  .oral-surgery-hero__actions .button { width: 100%; text-align: center; }
  .oral-surgery-hero__mascot {
    min-height: 350px;
    padding: 68px 20px 35px;
  }
  .oral-surgery-hero__mascot img { width: 215px; }
  .oral-surgery-hero__mascot p {
    top: 18px;
    left: 18px;
    font-size: .8rem;
  }
  .oral-surgery-hero__orbit {
    width: 250px;
    height: 250px;
  }
  .oral-surgery-hero__bubble--1 { right: 12%; }
  .oral-surgery-topic-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
    width: calc(100% - 16px);
    margin-bottom: 46px;
    padding: 12px;
    border-radius: 20px;
  }
  .oral-surgery-topic-nav a {
    grid-template-columns: 34px 1fr;
    min-height: 72px;
    padding: 8px;
    border-radius: 15px;
  }
  .oral-surgery-topic-nav a > span { width: 30px; height: 30px; }
  .oral-surgery-topic-nav strong { font-size: .75rem; }
  .oral-surgery-topic-nav small { font-size: .62rem; }
  .oral-surgery-content > h2 {
    margin-top: 58px;
    padding: 16px 16px 16px 48px;
    border-radius: 17px;
    font-size: clamp(1.35rem, 6vw, 1.7rem);
  }
  .oral-surgery-content > h2::before { left: 16px; }
  .oral-surgery-rabbit-tip {
    grid-template-columns: 46px 1fr;
    padding: 14px;
  }
  .oral-surgery-rabbit-tip > span { width: 42px; height: 42px; }
  .oral-surgery-inhouse {
    grid-template-columns: 76px 1fr;
    gap: 12px;
    padding: 20px 16px;
    border-radius: 21px;
  }
  .oral-surgery-inhouse img { width: 76px; }
  .oral-surgery-inhouse h2 { font-size: 1.35rem; }
  .oral-surgery-inhouse p:not(.eyebrow) { grid-column: 1 / -1; font-size: .86rem; }
  .oral-diagram {
    margin: 22px 0 38px;
    border-radius: 20px;
  }
  .oral-diagram svg {
    min-height: 205px;
    padding: 28px 6px 0;
  }
  .oral-diagram svg text { font-size: 15px; }
  .oral-diagram figcaption { padding: 15px 17px 17px; }
  .oral-diagram-steps,
  .oral-diagram-steps--three {
    grid-template-columns: 1fr 1fr;
    gap: 9px;
    padding: 55px 12px 18px;
  }
  .oral-diagram-steps > span { min-height: 120px; }
  .oral-diagram-steps em { display: none; }
  .oral-diagram-steps strong { font-size: .74rem; }
  .clinic-cta { margin-top: 44px; padding: 22px; }
  body { padding-bottom: 64px; }
  .mobile-cta {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 50;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: #fff;
    border-top: 1px solid var(--line);
    box-shadow: 0 -8px 24px rgba(14, 42, 51, .12);
  }
  .mobile-cta a {
    display: grid;
    place-items: center;
    min-height: 58px;
    color: #fff;
    background: var(--teal);
    font-size: 1rem;
    font-weight: 800;
    text-decoration: none;
  }
  .mobile-cta a + a { color: var(--navy); background: #fff; }
  .mobile-cta.mobile-cta--triple {
    grid-template-columns: repeat(3, 1fr);
  }
  .mobile-cta.mobile-cta--triple a {
    padding: 6px 4px;
    font-size: .86rem;
    line-height: 1.35;
    text-align: center;
  }
  .mobile-cta.mobile-cta--triple a:nth-child(2) {
    color: var(--navy);
    background: #fff;
  }
  .mobile-cta.mobile-cta--triple a:nth-child(3) {
    color: #fff;
    background: var(--navy);
  }
  .whitening-main {
    width: min(100% - 24px, 1080px);
    padding-top: 24px;
  }
  .whitening-hero {
    grid-template-columns: 1fr;
    border-radius: 26px;
  }
  .whitening-hero-copy {
    padding: 38px 24px 16px;
  }
  .whitening-hero h1 { font-size: clamp(2.25rem, 12vw, 3.5rem); }
  .whitening-hero-lead { margin-top: 22px; font-size: .97rem; }
  .whitening-price-card { width: 100%; }
  .whitening-primary-button { width: 100%; text-align: center; }
  .whitening-mascot-stage {
    min-height: 370px;
    padding: 82px 24px 54px;
  }
  .whitening-mascot-stage img { width: 230px; }
  .whitening-orbit {
    width: 260px;
    height: 260px;
  }
  .whitening-speech {
    top: 28px;
    left: 20px;
    font-size: .8rem;
  }
  .whitening-limit-badge {
    right: 16px;
    bottom: 24px;
  }
  .whitening-mascot-shadow {
    bottom: 74px;
    width: 164px;
  }
  .whitening-jump-nav {
    grid-template-columns: repeat(6, minmax(104px, 1fr));
    justify-content: start;
    width: calc(100% - 20px);
    margin-bottom: 42px;
    overflow-x: auto;
    border-radius: 15px;
  }
  .whitening-jump-nav a { min-height: 58px; }
  .whitening-fun-guide {
    grid-template-columns: 1fr;
    gap: 16px;
    width: calc(100% - 12px);
    margin: -12px auto 42px;
    padding: 22px 18px;
    border-radius: 22px;
  }
  .whitening-fun-guide::before {
    top: 112px;
    right: auto;
    bottom: 28px;
    left: 39px;
    width: 3px;
    height: auto;
    background: repeating-linear-gradient(180deg, var(--whitening-yellow) 0 10px, transparent 10px 20px);
    animation-name: whitening-road-mobile;
  }
  .whitening-fun-guide__title { padding-right: 62px; }
  .whitening-fun-guide__title h2 { font-size: 1.08rem; }
  .whitening-fun-guide ol { grid-template-columns: 1fr; }
  .whitening-fun-guide li {
    grid-template-columns: 44px 1fr;
    min-height: 62px;
  }
  .whitening-fun-guide > img {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 64px;
    height: 64px;
  }
  .whitening-special .facts { grid-template-columns: 1fr; }
  .whitening-special .facts p,
  .whitening-special .facts p:nth-child(2n) {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .whitening-special .facts p:last-child { grid-column: auto; }
  .whitening-next-course {
    grid-template-columns: 1fr;
    gap: 18px;
    margin: 28px 0 58px;
    padding: 22px 18px;
    border-width: 2px;
    border-radius: 22px;
  }
  .whitening-next-course::before { right: 18px; }
  .whitening-next-course__calendar {
    justify-self: start;
    width: 104px;
    min-height: 108px;
    border-radius: 17px;
  }
  .whitening-next-course__calendar > span { min-height: 28px; font-size: .68rem; }
  .whitening-next-course__calendar strong { font-size: 2.3rem; }
  .whitening-next-course__calendar small { margin-bottom: 7px; }
  .whitening-next-course__copy { grid-column: 1 / -1; }
  .whitening-next-course h2 { font-size: clamp(1.55rem, 7vw, 2rem); }
  .whitening-next-course__decision {
    display: block;
    margin-top: 11px;
    font-size: 1rem;
  }
  .whitening-next-course__copy > p:last-child { font-size: .9rem; }
  .whitening-next-course > img {
    position: absolute;
    top: 26px;
    right: 24px;
    width: 74px;
    height: 74px;
  }
  .whitening-evidence-note {
    margin: -36px 0 58px;
    padding: 20px 18px;
  }
  .whitening-evidence-note h3 { font-size: 1.05rem; }
  .whitening-overuse {
    margin: 54px 0;
    padding: 28px 18px;
  }
  .whitening-overuse > h2 { font-size: clamp(1.55rem, 7vw, 2rem); }
  .whitening-overuse__lead { font-size: .95rem; }
  .whitening-overuse__alert {
    grid-template-columns: 38px 1fr;
    gap: 12px;
    padding: 15px;
  }
  .whitening-overuse__alert > span {
    width: 36px;
    height: 36px;
    font-size: 1.05rem;
  }
  .whitening-evidence-grid { grid-template-columns: 1fr; }
  .whitening-evidence-grid article {
    min-height: 0;
    padding: 23px 20px;
  }
  .whitening-evidence-grid article > span { margin-bottom: 12px; }
  .whitening-study-limit { padding: 20px 18px; }
  .whitening-special .content > h2 { margin-top: 58px; }
  .whitening-steps { grid-template-columns: 1fr; }
  .whitening-steps li { min-height: 0; }
  .whitening-rabbit-tip {
    grid-template-columns: 68px 1fr;
    padding: 15px;
  }
  .whitening-rabbit-tip img { width: 68px; height: 68px; }
}
@keyframes whitening-road-mobile {
  to { background-position: 0 20px; }
}

/* 2026 editorial refinement: calmer hierarchy, fewer competing surfaces */
:root {
  --navy: #102f38;
  --teal: #356f69;
  --cream: #f5f2eb;
  --ink: #24363b;
  --line: #dfe5e2;
}
body {
  background: #fbfaf7;
  font-size: 16px;
  letter-spacing: .01em;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(251, 250, 247, .94);
  border-bottom-color: rgba(16, 47, 56, .1);
  backdrop-filter: blur(16px);
}
.header-inner, main, .footer-inner {
  width: min(1160px, calc(100% - 56px));
}
.header-inner { min-height: 76px; }
.header-inner nav { gap: 24px; }
.header-inner nav a {
  font-size: .88rem;
  font-weight: 600;
}
.brand {
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  letter-spacing: .04em;
}
.brand small {
  margin-top: 2px;
  font-family: "Noto Sans JP", "Hiragino Sans", sans-serif;
  font-size: .62rem;
  font-weight: 600;
}
main { padding: 58px 0 110px; }
.breadcrumbs {
  margin-bottom: 44px;
  font-size: .78rem;
}
.eyebrow {
  margin-bottom: 12px;
  font-size: .74rem;
  letter-spacing: .2em;
}
h1, h2, h3 {
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  letter-spacing: .015em;
}
h1 {
  max-width: 900px;
  margin: 8px 0 26px;
  font-size: clamp(2.15rem, 4.5vw, 3.6rem);
  line-height: 1.35;
}
h2 {
  margin-top: 72px;
  font-size: clamp(1.5rem, 2.7vw, 2.05rem);
}
h3 { margin-top: 34px; }
.lead {
  max-width: 680px;
  color: #475b60;
  font-size: 1.06rem;
  line-height: 2;
}
.content {
  max-width: 780px;
  margin-inline: auto;
}
.content p, .content li { max-width: 68ch; }
.grid {
  gap: 14px;
  margin-top: 34px;
}
.card {
  padding: 28px;
  border-radius: 3px;
  background: rgba(255, 255, 255, .76);
  box-shadow: none;
}
.card p:last-child { margin-bottom: 0; }
.card-link {
  transition: transform .2s ease;
}
.card-link:hover {
  transform: translateY(-2px);
}
.card-link:hover h2,
.card-link:hover h3 {
  color: var(--teal);
  text-decoration: none;
}
.note {
  margin: 36px 0;
  padding: 20px 24px;
  border-left-width: 2px;
  background: #f2f0e9;
}
.facts {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: #fff;
}
.service-links { gap: 8px; }
.service-links a {
  padding: 9px 14px;
  border-radius: 2px;
  background: rgba(255, 255, 255, .6);
}
.faq summary { padding-block: 21px; }
.clinic-cta {
  margin-top: 80px;
  padding: 38px 42px;
  border-radius: 3px;
}
.clinic-cta .button {
  margin-top: 6px;
  border-radius: 2px;
}
.updated {
  margin-top: 64px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

/* Special guides keep one gentle character motion, while decorative noise is removed. */
.whitening-special,
.oral-surgery-special {
  background: #fbfaf7;
}
.whitening-special .site-header,
.oral-surgery-special .site-header {
  background: rgba(251, 250, 247, .94);
}
.whitening-main,
.oral-surgery-main { padding-top: 28px; }
.whitening-hero,
.oral-surgery-hero {
  min-height: 510px;
  border-radius: 4px;
  background: #fff;
  box-shadow: none;
}
.whitening-hero::before,
.whitening-hero::after,
.oral-surgery-hero::before,
.whitening-spark,
.whitening-bubble,
.oral-surgery-hero__spark,
.oral-surgery-hero__bubble {
  display: none;
}
.whitening-hero-copy,
.oral-surgery-hero__copy {
  padding: 54px 28px 54px 58px;
}
.whitening-hero h1,
.oral-surgery-hero h1 {
  font-size: clamp(2.35rem, 4.8vw, 4.15rem);
}
.whitening-hero h1 span::after,
.oral-surgery-hero h1 strong::after {
  height: .08em;
}
.whitening-price-card {
  border-radius: 3px;
  background: #f1f6f3;
  animation: none;
}
.whitening-price-card::after { display: none; }
.whitening-primary-button { box-shadow: none; animation: none; }
.whitening-mascot-stage,
.oral-surgery-hero__mascot {
  min-height: 430px;
  background: #eef3f0;
}
.whitening-orbit,
.oral-surgery-hero__orbit { display: none; }
.whitening-mascot-stage img,
.oral-surgery-hero__mascot img {
  border-radius: 50%;
  animation-duration: 7s;
}
.whitening-speech,
.whitening-limit-badge,
.oral-surgery-hero__mascot p {
  border-radius: 3px;
  animation: none;
  transform: none;
}
.whitening-jump-nav {
  margin-top: 18px;
  margin-bottom: 64px;
  border-radius: 3px;
  box-shadow: none;
}
.whitening-jump-nav a { animation: none; }
.whitening-fun-guide {
  margin-top: 0;
  border-radius: 3px;
  background: #fff;
  box-shadow: none;
  animation: none;
}
.whitening-fun-guide::before { display: none; }
.whitening-fun-guide li {
  border-radius: 3px;
  box-shadow: none;
}
.whitening-fun-guide li > span,
.whitening-fun-guide > img { animation: none; }
.whitening-special .content > h2::before { display: none; }
.whitening-special .facts,
.whitening-special .table-scroll {
  border-radius: 3px;
  box-shadow: none;
}
.whitening-next-course {
  border-width: 1px;
  border-radius: 3px;
  background: #f1f6f3;
  box-shadow: none;
}
.whitening-next-course::before { display: none; }
.whitening-next-course__calendar {
  border-radius: 3px;
  box-shadow: none;
  animation: none;
}
.whitening-next-course > img { animation-duration: 7s; }
.whitening-evidence-note,
.whitening-rabbit-tip {
  border-radius: 3px;
  box-shadow: none;
}
.oral-surgery-topic-nav {
  gap: 1px;
  margin-top: 18px;
  margin-bottom: 64px;
  padding: 1px;
  border-radius: 3px;
  background: var(--line);
  box-shadow: none;
}
.oral-surgery-topic-nav a,
.oral-surgery-topic-nav a:nth-child(2n),
.oral-surgery-topic-nav a:nth-child(3n) {
  min-height: 92px;
  border: 0;
  border-radius: 0;
  background: #fff;
}
.oral-surgery-topic-nav a > span { animation: none; }
.oral-surgery-content > h2 {
  padding: 0 0 16px;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.oral-surgery-content > h2::before { display: none; }
.oral-surgery-inhouse,
.oral-diagram,
.oral-surgery-rabbit-tip,
.oral-surgery-special .faq {
  border-radius: 3px;
  box-shadow: none;
}
.oral-surgery-inhouse::after,
.oral-surgery-special .clinic-cta::after { display: none; }
.oral-surgery-inhouse img,
.oral-surgery-rabbit-tip > span { animation-duration: 7s; }

@media (max-width: 720px) {
  .header-inner, main, .footer-inner {
    width: min(100% - 28px, 1160px);
  }
  .header-inner {
    min-height: 64px;
    align-items: center;
  }
  .header-inner nav { gap: 10px; }
  .header-inner nav a:not(.special-home-button) { display: none; }
  main { padding-top: 34px; padding-bottom: 80px; }
  .breadcrumbs { margin-bottom: 28px; }
  h1 { font-size: clamp(2rem, 10vw, 2.8rem); }
  h2 { margin-top: 56px; }
  .lead { font-size: 1rem; }
  .answer-summary {
    margin: 24px 0 36px;
    padding: 52px 20px 20px;
  }
  .answer-summary::before { top: 17px; left: 20px; }
  .care-path { grid-template-columns: 1fr; }
  .care-path a { min-height: 0; }
  .care-path a:not(:last-child)::after {
    top: auto;
    right: 20px;
    bottom: 5px;
    content: "↓";
  }
  .recruit-status {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
  .doctor-signature {
    display: block;
    margin-bottom: 46px;
    padding: 18px 4px;
  }
  .doctor-signature p + p { margin-top: 8px; }
  .doctor-strengths {
    margin-right: -14px;
    margin-left: -14px;
    padding: 30px 14px;
  }
  .doctor-strength-grid { grid-template-columns: 1fr; }
  .doctor-strength-card { min-height: 0; padding: 24px 20px; }
  .grid { grid-template-columns: 1fr; }
  .card { padding: 22px 20px; }
  .clinic-cta {
    margin-top: 58px;
    padding: 28px 22px;
  }
  .whitening-hero,
  .oral-surgery-hero {
    min-height: auto;
    border-radius: 3px;
  }
  .whitening-hero-copy,
  .oral-surgery-hero__copy { padding: 36px 22px 26px; }
  .whitening-mascot-stage,
  .oral-surgery-hero__mascot {
    min-height: 310px;
  }
  .whitening-jump-nav {
    grid-template-columns: repeat(5, minmax(112px, 1fr));
    width: 100%;
    margin-top: 12px;
  }
  .whitening-fun-guide,
  .whitening-next-course {
    width: 100%;
    border-radius: 3px;
  }
  .oral-surgery-topic-nav {
    width: 100%;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    padding: 1px;
  }
  .oral-surgery-topic-nav a {
    min-height: 78px;
    border-radius: 0;
  }
  .oral-surgery-content > h2 {
    padding: 0 0 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}