:root {
  --ink: #172622;
  --muted: #66736d;
  --primary: #0f3c38;
  --primary-soft: #dce9e4;
  --accent: #b9965e;
  --accent-soft: #f2eadc;
  --paper: #fbfaf6;
  --white: #ffffff;
  --line: #e2ddd2;
  --shadow: 0 24px 70px rgba(15, 60, 56, 0.12);
  --section: clamp(72px, 10vw, 128px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 18px;
  line-height: 1.85;
  color: var(--ink);
  background: var(--paper);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 12% 10%, rgba(185, 150, 94, 0.16), transparent 32%),
    linear-gradient(120deg, rgba(220, 233, 228, 0.6), transparent 45%);
}

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

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

.container {
  width: min(1160px, 100%);
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 48px);
}

.demo-bar {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--ink);
  color: rgba(255, 255, 255, 0.86);
  text-align: center;
  padding: 8px 16px;
  font-size: 13px;
}

.demo-bar p {
  margin: 0;
}

.site-header {
  position: sticky;
  top: 39px;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 48px);
  background: rgba(251, 250, 246, 0.88);
  border-bottom: 1px solid rgba(226, 221, 210, 0.8);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--primary);
  color: var(--accent-soft);
  font-family: "Cormorant Garamond", serif;
  font-size: 28px;
  line-height: 1;
}

.brand strong {
  display: block;
  font-family: "Cormorant Garamond", serif;
  font-size: 24px;
  letter-spacing: 0.08em;
  line-height: 1;
}

.brand small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.3;
}

.global-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.2vw, 28px);
  font-size: 14px;
  font-weight: 700;
}

.global-nav a {
  color: var(--muted);
}

.global-nav a:hover {
  color: var(--primary);
}

.nav-cta {
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--primary);
  color: var(--white) !important;
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
}

.menu-button span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--primary);
}

.section {
  padding: var(--section) 0;
}

.section-label,
.eyebrow {
  margin: 0 0 16px;
  font-family: "Montserrat", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2 {
  margin: 0;
  font-family: "Cormorant Garamond", "Noto Sans JP", serif;
  font-weight: 500;
  line-height: 1.18;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(44px, 7vw, 84px);
}

h2 {
  font-size: clamp(34px, 5vw, 58px);
}

h3 {
  margin: 0;
  font-size: 21px;
  line-height: 1.45;
}

p {
  margin: 0;
  color: var(--muted);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 44px;
}

.section-heading.narrow {
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-heading h2 {
  margin-bottom: 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 14px 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  line-height: 1.2;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(15, 60, 56, 0.16);
}

.button.primary {
  background: var(--primary);
  color: var(--white);
}

.button.ghost {
  border-color: rgba(255, 255, 255, 0.64);
  color: var(--white);
}

.button.light {
  background: var(--white);
  color: var(--primary);
  border-color: var(--line);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: stretch;
  min-height: calc(100svh - 112px);
  padding: clamp(40px, 6vw, 72px) clamp(18px, 4vw, 48px) clamp(42px, 7vw, 92px);
  background: linear-gradient(135deg, #103b37 0%, #1a514c 54%, #d8c29a 160%);
  color: var(--white);
}

.hero-copy {
  align-self: center;
  max-width: 680px;
}

.hero-lead {
  max-width: 620px;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(18px, 2.1vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.hero-points li {
  padding: 8px 13px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
}

.hero-visual {
  position: relative;
  min-height: 520px;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-card {
  position: absolute;
  right: 24px;
  bottom: 24px;
  width: min(320px, calc(100% - 48px));
  padding: 20px;
  background: rgba(251, 250, 246, 0.92);
  color: var(--ink);
  border-radius: 6px;
  backdrop-filter: blur(14px);
}

.hero-card span,
.flow-list span,
.menu-card span,
.symptom-card span {
  display: block;
  margin-bottom: 8px;
  font-family: "Montserrat", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-card strong {
  display: block;
  line-height: 1.55;
}

.intro {
  background: var(--white);
}

.intro-grid,
.approach-grid,
.treatment-grid,
.profile-grid,
.access-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(34px, 6vw, 76px);
  align-items: center;
}

.intro-text {
  display: grid;
  gap: 18px;
}

.symptoms,
.menu,
.faq {
  background: #f4f1ea;
}

.symptom-grid,
.menu-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.symptom-card,
.menu-card,
.profile-card,
.profile-notes > div,
.info-panel,
.faq-list details,
.flow-list article {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 14px 42px rgba(15, 60, 56, 0.07);
}

.symptom-card,
.menu-card {
  padding: 26px;
}

.symptom-card h3,
.menu-card h3 {
  margin-bottom: 12px;
}

.symptom-card p,
.menu-card p {
  font-size: 16px;
}

.approach {
  background: var(--paper);
}

.approach-image img,
.treatment img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.approach-copy p {
  margin-top: 18px;
}

.approach-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.approach-list div {
  padding: 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.approach-list strong {
  display: block;
  color: var(--primary);
  font-size: 18px;
}

.approach-list span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 15px;
}

.flow {
  background: var(--primary);
  color: var(--white);
}

.flow p,
.flow .section-heading p {
  color: rgba(255, 255, 255, 0.76);
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.flow-list article {
  padding: 26px;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: none;
}

.flow-list h3 {
  color: var(--white);
  margin-bottom: 12px;
}

.flow-list p {
  font-size: 15px;
}

.menu-card.featured {
  background: var(--primary);
  color: var(--white);
}

.menu-card.featured p {
  color: rgba(255, 255, 255, 0.78);
}

.menu-card strong {
  display: inline-block;
  margin-top: 22px;
  color: var(--primary);
  font-size: 17px;
}

.menu-card.featured strong {
  color: var(--accent-soft);
}

.treatment {
  background: var(--white);
}

.treatment-grid {
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
}

.treatment p {
  margin-top: 18px;
}

.profile {
  background: linear-gradient(135deg, #0f3c38 0%, #19342f 100%);
  color: var(--white);
}

.profile p {
  color: rgba(255, 255, 255, 0.78);
}

.profile-card,
.profile-notes > div {
  padding: 30px;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: none;
}

.profile-notes {
  display: grid;
  gap: 16px;
}

.profile-notes strong {
  color: var(--accent-soft);
  font-size: 19px;
}

.profile-notes p {
  margin-top: 8px;
}

.faq-list {
  display: grid;
  gap: 12px;
  max-width: 860px;
  margin: 0 auto;
}

.faq-list details {
  padding: 0 24px;
}

.faq-list summary {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  cursor: pointer;
  color: var(--primary);
  font-weight: 700;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  flex: 0 0 auto;
  color: var(--accent);
  font-size: 24px;
  line-height: 1;
}

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

.faq-list details p {
  padding: 0 0 22px;
  font-size: 16px;
}

.access {
  background: var(--paper);
}

.access p {
  margin-top: 18px;
}

.access-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.info-panel {
  padding: 28px;
  background: var(--white);
}

.info-panel dl {
  margin: 0;
}

.info-panel div {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.info-panel div:first-child {
  padding-top: 0;
}

.info-panel div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.info-panel dt {
  color: var(--primary);
  font-weight: 700;
}

.info-panel dd {
  margin: 0;
  color: var(--muted);
}

.info-panel a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.site-footer {
  padding: 34px 0 96px;
  background: var(--ink);
  color: var(--white);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}

.site-footer strong {
  font-family: "Cormorant Garamond", serif;
  font-size: 28px;
  letter-spacing: 0.08em;
}

.site-footer p {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}

.mobile-cta {
  display: none;
}

@media (max-width: 980px) {
  body {
    font-size: 17px;
  }

  .site-header {
    top: 40px;
  }

  .menu-button {
    display: block;
    flex: 0 0 auto;
  }

  .global-nav {
    position: fixed;
    top: 105px;
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .global-nav.is-open {
    display: flex;
  }

  .global-nav a {
    padding: 14px;
  }

  .hero,
  .intro-grid,
  .approach-grid,
  .treatment-grid,
  .profile-grid,
  .access-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
  }

  .hero-visual {
    min-height: 380px;
  }

  .symptom-grid,
  .menu-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .flow-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  body {
    font-size: 16px;
    padding-bottom: 72px;
  }

  .demo-bar {
    font-size: 12px;
    line-height: 1.5;
  }

  .site-header {
    top: 44px;
    padding: 12px 16px;
  }

  .brand small {
    max-width: 180px;
  }

  .hero {
    padding: 34px 18px 48px;
  }

  h1 {
    font-size: clamp(40px, 13vw, 56px);
  }

  h2 {
    font-size: clamp(32px, 10vw, 46px);
  }

  .hero-lead {
    font-size: 17px;
  }

  .button {
    width: 100%;
  }

  .hero-visual {
    min-height: 320px;
  }

  .hero-card {
    right: 14px;
    bottom: 14px;
    width: calc(100% - 28px);
  }

  .symptom-grid,
  .menu-grid,
  .flow-list,
  .approach-list {
    grid-template-columns: 1fr;
  }

  .symptom-card,
  .menu-card,
  .flow-list article,
  .profile-card,
  .profile-notes > div,
  .info-panel {
    padding: 22px;
  }

  .info-panel div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .footer-grid {
    display: grid;
  }

  .mobile-cta {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 12px;
    z-index: 70;
    display: block;
  }

  .mobile-cta a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 56px;
    border-radius: 999px;
    background: var(--primary);
    color: var(--white);
    font-weight: 700;
    box-shadow: 0 12px 32px rgba(15, 60, 56, 0.28);
  }
}