:root {
  --white: #fff;
  --off-white: #f8fbfa;
  --blue-soft: #ddf2fa;
  --blue: #5aafcb;
  --blue-deep: #287e99;
  --mint-soft: #ddf4ea;
  --mint: #6ec7a5;
  --beige: #f6efe5;
  --gray: #333a3d;
  --body: #5b6468;
  --line: #dce8e8;
  --shadow: 0 20px 60px rgba(46, 104, 119, 0.14);
  --radius: 8px;
  --container: min(1120px, calc(100% - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--body);
  background: var(--white);
  font-family: "Noto Sans JP", "Yu Gothic", "Hiragino Sans", Meiryo, sans-serif;
  line-height: 1.8;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

main{
  padding-top: 72px;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(220, 232, 232, 0.8);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--gray);
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--white);
  font-weight: 800;
  background: var(--blue);
  border-radius: 50%;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 16px;
  line-height: 1.25;
}

.brand small {
  color: #7a8588;
  font-size: 11px;
  line-height: 1.2;
}

.site-nav {
  display: flex;
  gap: 22px;
  color: var(--gray);
  font-size: 14px;
  font-weight: 700;
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  color: var(--white);
  font-weight: 800;
  line-height: 1.3;
  background: var(--mint);
  border-radius: 999px;
  box-shadow: 0 12px 28px rgba(74, 166, 134, 0.25);
}

.button-primary {
  min-height: 58px;
  padding-inline: 30px;
  font-size: 17px;
  background: var(--blue-deep);
  box-shadow: 0 18px 36px rgba(40, 126, 153, 0.25);
}

.section,
.hero,
.final-cta {
  width: var(--container);
  margin-inline: auto;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  align-items: center;
  gap: 54px;
  min-height: unset;
  padding: 68px 0 86px;
}

.hero::before {
  position: absolute;
  inset: 0 calc(50% - 50vw);
  z-index: -1;
  content: "";
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.95), rgba(221, 244, 234, 0.45)),
    radial-gradient(circle at 86% 20%, rgba(221, 242, 250, 0.95), transparent 34%),
    var(--off-white);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue-deep);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--gray);
  line-height: 1.35;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(34px, 4vw, 54px);
  font-weight: 900;
}

.hero-kicker {
  display: block;
  margin-bottom: 4px;
  font-size: 1.14em;
  line-height: 1.22;
}

h1 span:not(.hero-kicker) {
  display: block;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 900;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.lead {
  max-width: 580px;
  margin-bottom: 30px;
  color: var(--gray);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-bottom: 24px;
}

.phone-link {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  min-height: 58px;
  padding-left: 18px;
  color: var(--gray);
  border-left: 4px solid var(--blue);
}

.phone-link span {
  color: var(--body);
  font-size: 12px;
  font-weight: 700;
}

.phone-link strong {
  color: var(--blue-deep);
  font-size: 24px;
  line-height: 1.15;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-row span {
  padding: 8px 13px;
  color: var(--blue-deep);
  font-size: 13px;
  font-weight: 800;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.hero-visual {
  position: relative;
}

.hero-visual img,
.doctor-photo img,
.clinic-grid img {
  width: 100%;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.hero-visual img {
  height: min(620px, 62vh);
  border-radius: 8px 8px 80px 8px;
}

.hours-card {
  position: absolute;
  right: 22px;
  bottom: 22px;
  width: min(250px, calc(100% - 44px));
  padding: 18px 20px;
  color: var(--gray);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 16px 34px rgba(28, 87, 102, 0.18);
  backdrop-filter: blur(8px);
}

.hours-card strong {
  display: block;
  margin-bottom: 4px;
}

.hours-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
}

.section {
  padding: 96px 0;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 40px;
  text-align: center;
}

.section-blue,
.section-mint,
.section-beige {
  position: relative;
}

.section-blue::before,
.section-mint::before,
.section-beige::before {
  position: absolute;
  inset: 0 calc(50% - 50vw);
  z-index: -1;
  content: "";
}

.section-blue::before {
  background: #f1fbff;
}

.section-mint::before {
  background: #f2fbf7;
}

.section-beige::before {
  background: #fbf6ee;
}

.check-grid,
.reason-grid,
.treatment-grid,
.voice-grid,
.clinic-grid {
  display: grid;
  gap: 18px;
}

.check-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.check-grid div {
  position: relative;
  min-height: 92px;
  padding: 22px 22px 22px 54px;
  color: var(--gray);
  font-weight: 800;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 34px rgba(46, 104, 119, 0.08);
}

.check-grid div::before {
  position: absolute;
  top: 23px;
  left: 22px;
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  color: var(--white);
  font-size: 13px;
  line-height: 1;
  content: "✓";
  background: var(--mint);
  border-radius: 50%;
}

.center-note {
  margin: 28px 0 0;
  color: var(--blue-deep);
  font-size: 20px;
  font-weight: 900;
  text-align: center;
}

.reason-grid,
.treatment-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.reason-card,
.treatment-grid article,
.voice-grid blockquote {
  margin: 0;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 38px rgba(46, 104, 119, 0.08);
}

.icon {
  display: inline-grid;
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  place-items: center;
  color: var(--blue-deep);
  font-weight: 900;
  background: var(--blue-soft);
  border-radius: 50%;
}

.reason-card p,
.treatment-grid p,
.voice-grid p {
  margin-bottom: 0;
}

.doctor {
  display: grid;
  grid-template-columns: minmax(320px, 0.85fr) minmax(0, 1.15fr);
  align-items: center;
  gap: 56px;
}

.doctor-photo img {
  height: 540px;
  object-position: center 30%;
  border-radius: 80px 8px 8px 8px;
}

.doctor-copy p {
  font-size: 17px;
}

.doctor-name {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 28px 0 18px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.doctor-name span {
  color: var(--body);
  font-weight: 800;
}

.doctor-name strong {
  color: var(--gray);
  font-size: 26px;
}

.profile-list {
  display: grid;
  gap: 10px;
  margin: 0;
}

.profile-list div {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 14px;
}

.profile-list dt {
  color: var(--blue-deep);
  font-weight: 900;
}

.profile-list dd {
  margin: 0;
}

.clinic-grid {
  grid-template-columns: 1.2fr 0.9fr 0.9fr;
  align-items: start;
}

.clinic-grid figure {
  min-width: 0;
  margin: 0;
}

.clinic-grid img {
  height: 320px;
  border-radius: var(--radius);
}

.clinic-grid .clinic-main img {
  height: 420px;
}

.clinic-grid figcaption {
  margin-top: 12px;
  color: var(--gray);
  font-weight: 800;
}

.treatment-grid article span {
  display: inline-block;
  margin-bottom: 12px;
  padding: 5px 12px;
  color: var(--blue-deep);
  font-size: 12px;
  font-weight: 900;
  background: var(--mint-soft);
  border-radius: 999px;
}

.voice-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.voice-grid blockquote {
  position: relative;
  padding-top: 44px;
}

.voice-grid blockquote::before {
  color: var(--blue);
  font-size: 36px;
  font-weight: 900;
  line-height: 1;
  content: "“";
}

.voice-grid cite {
  display: block;
  margin-top: 18px;
  color: var(--gray);
  font-style: normal;
  font-weight: 800;
}

.faq-list {
  max-width: 860px;
  margin-inline: auto;
}

details {
  padding: 0 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

details + details {
  margin-top: 12px;
}

summary {
  position: relative;
  min-height: 68px;
  padding: 19px 34px 19px 0;
  color: var(--gray);
  font-weight: 900;
  cursor: pointer;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  position: absolute;
  top: 21px;
  right: 0;
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  color: var(--white);
  content: "+";
  background: var(--blue);
  border-radius: 50%;
}

details[open] summary::after {
  content: "-";
}

details p {
  margin-bottom: 22px;
  padding-top: 2px;
  border-top: 1px solid var(--line);
}

.final-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 44px;
  align-items: center;
  margin-bottom: 90px;
  padding: 56px;
  color: var(--gray);
  background: linear-gradient(135deg, var(--blue-soft), var(--mint-soft));
  border-radius: var(--radius);
}

.final-cta h2 {
  margin-bottom: 16px;
}

.final-cta p {
  margin-bottom: 0;
}

.reserve-panel {
  padding: 26px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.reserve-panel .button {
  width: 100%;
}

.phone-link-light {
  width: 100%;
  margin: 18px 0 12px;
  background: transparent;
}

.reserve-panel > p {
  color: var(--body);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
}

.floating-cta {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  display: none;
  grid-template-columns: 1fr 1fr;
  width: min(360px, calc(100% - 36px));
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: 0 16px 44px rgba(38, 95, 108, 0.2);
}

.floating-cta a {
  display: grid;
  min-height: 52px;
  place-items: center;
  color: var(--blue-deep);
  font-weight: 900;
}

.floating-cta a + a {
  color: var(--white);
  background: var(--blue-deep);
}

@media (max-width: 980px) {
  .site-header {
    flex-wrap: wrap;
    gap: 10px 18px;
  }

  .site-nav {
    display: flex;
    order: 3;
    flex: 0 0 100%;
    gap: 8px;
    overflow-x: auto;
    padding: 2px 0 4px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .site-nav::-webkit-scrollbar {
    display: none;
  }

  .site-nav a {
    flex: 0 0 auto;
    padding: 7px 12px;
    font-size: 13px;
    background: var(--off-white);
    border: 1px solid var(--line);
    border-radius: 999px;
  }

  .hero,
  .doctor,
  .final-cta {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    gap: 34px;
    padding-top: 46px;
  }

  .hero-visual {
    order: -1;
  }

  .hero-visual img {
    height: auto;
    aspect-ratio: 1717 / 916;
    object-fit: contain;
    background: var(--off-white);
  }

  .check-grid,
  .reason-grid,
  .treatment-grid,
  .voice-grid,
  .clinic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .doctor-photo img {
    height: 420px;
  }

  .clinic-grid .clinic-main {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  :root {
    --container: min(100% - 28px, 1120px);
  }

  body{
    padding-bottom: 90px;
  }

  .site-header {
    padding: 10px 14px;
  }

  .site-nav {
    gap: 6px;
  }

  .site-nav a {
    padding: 6px 10px;
    font-size: 12px;
  }

  .brand small {
    display: none;
  }

  .brand strong {
    font-size: 14px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .header-cta {
    min-height: 40px;
    padding: 9px 14px;
    font-size: 13px;
  }

  .hero {
    padding: 28px 0 64px;
  }

  h1 {
    font-size: 31px;
  }

  .hero-kicker {
    font-size: 1.13em;
  }

  h2 {
    font-size: 28px;
  }

  .lead {
    font-size: 16px;
  }

  .hero-actions,
  .button-primary {
    width: 100%;
  }

  .phone-link {
    width: 100%;
  }

  .hero-visual img {
    height: auto;
    width: 100%;
    aspect-ratio:auto;
    object-fit:cover;
    border-radius: 8px 8px 48px 8px;
  }

  .hours-card {
    position: static;
    width: 100%;
    margin-top: 12px;
  }

  .section {
    padding: 70px 0;
  }

  .check-grid,
  .reason-grid,
  .treatment-grid,
  .voice-grid,
  .clinic-grid {
    grid-template-columns: 1fr;
  }

  .reason-card,
  .treatment-grid article,
  .voice-grid blockquote {
    padding: 24px;
  }

  .doctor {
    gap: 32px;
  }

  .doctor-photo img {
    height: 360px;
    border-radius: 48px 8px 8px 8px;
  }

  .profile-list div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .clinic-grid img,
  .clinic-grid .clinic-main img {
    height: 260px;
  }

  .final-cta {
    margin-bottom: 98px;
    padding: 34px 22px;
  }

  .reserve-panel {
    padding: 20px;
  }

  .floating-cta {
    bottom: 12px;
  }
}