@charset "UTF-8";

/* ============================
   Recrystal Treatment Page
   Prefix: rt-
============================ */

/* ============================
   Hero
============================ */
.rt-hero {
  position: relative;
  overflow: hidden;
}

.rt-hero-bg {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  object-position: center;
}

.rt-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(15, 15, 15, 0.78) 0%,
    rgba(15, 15, 15, 0.55) 35%,
    rgba(15, 15, 15, 0.20) 60%,
    rgba(15, 15, 15, 0) 90%
  );
  z-index: 1;
}

.rt-hero-inner {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  padding: 0 80px;
  color: var(--white);
}

.rt-hero-copy {
  max-width: 560px;
}

.rt-hero-sub {
  font-family: "Cormorant Garamond", serif;
  font-size: 13px;
  letter-spacing: 0.32em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.rt-hero-title {
  font-family: "Noto Serif JP", serif;
  font-size: 44px;
  font-weight: 300;
  line-height: 1.45;
  letter-spacing: 0.02em;
  margin-bottom: 28px;
  color: var(--white);
}

.rt-hero-text {
  font-size: 14px;
  line-height: 1.95;
  letter-spacing: 0.04em;
  margin-bottom: 36px;
  color: rgba(255, 255, 255, 0.85);
}

.rt-hero-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ============================
   Buttons
============================ */
.rt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 52px;
  padding: 0 28px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1;
  white-space: nowrap;
  transition: transform 0.25s ease, opacity 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.rt-btn-primary {
  background: var(--gold);
  color: var(--white);
}

.rt-btn-primary:hover {
  transform: translateY(-2px);
  opacity: 0.9;
}

.rt-btn-line {
  background: #06C755;
  color: var(--white);
}

.rt-btn-line:hover {
  transform: translateY(-2px);
  opacity: 0.9;
}

.rt-btn-outline {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
}

.rt-btn-outline:hover {
  background: var(--gold);
  color: var(--white);
}

/* ============================
   Section base
============================ */
.rt-section-header {
  text-align: center;
  margin-bottom: 56px;
}

.rt-section-sub {
  font-family: "Cormorant Garamond", serif;
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.rt-section-title {
  font-family: "Noto Serif JP", serif;
  font-weight: 300;
  font-size: 32px;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: var(--black);
  margin: 0;
}

.rt-section-desc {
  margin-top: 20px;
  font-size: 14px;
  line-height: 1.95;
  color: var(--darkgray);
}

.rt-prose {
  font-size: 15px;
  line-height: 2;
  color: var(--darkgray);
  letter-spacing: 0.02em;
}

.rt-prose p + p {
  margin-top: 18px;
}

.rt-prose strong {
  font-weight: 700;
  color: var(--black);
}

.rt-prose--centered {
  max-width: 720px;
  margin: 40px auto 0;
  text-align: center;
}

/* ============================
   Intro (Lead)
============================ */
.rt-intro {
  padding: 120px 24px;
  background: var(--white);
}

.rt-intro-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.rt-intro-hook {
  font-family: "Noto Serif JP", serif;
  font-size: 24px;
  font-weight: 300;
  line-height: 1.95;
  letter-spacing: 0.04em;
  color: var(--black);
  margin-bottom: 48px;
}

/* ============================
   Science (疎水性/親水性)
============================ */
.rt-science {
  padding: 120px 0;
  background: var(--soft);
}

.rt-science-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  max-width: 880px;
  margin: 0 auto 56px;
}

.rt-science-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 48px 32px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.rt-science-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
}

.rt-science-card--healthy {
  border-color: rgba(207, 166, 76, 0.4);
}

.rt-science-icon {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.rt-science-icon--healthy {
  background: rgba(207, 166, 76, 0.1);
  color: var(--gold);
}

.rt-science-icon--damaged {
  background: rgba(102, 102, 102, 0.1);
  color: var(--gray);
}

.rt-science-label {
  font-family: "Cormorant Garamond", serif;
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--gray);
  margin-bottom: 10px;
  text-transform: uppercase;
}

.rt-science-name {
  font-family: "Noto Serif JP", serif;
  font-size: 24px;
  font-weight: 400;
  color: var(--black);
  margin-bottom: 14px;
}

.rt-science-state {
  font-size: 13px;
  color: var(--darkgray);
  line-height: 1.9;
}

/* ============================
   Cycle (悪循環)
============================ */
.rt-cycle {
  padding: 120px 0;
  background: var(--white);
}

.rt-cycle-label {
  font-family: "Cormorant Garamond", serif;
  font-size: 12px;
  letter-spacing: 0.4em;
  color: var(--gold);
  text-align: center;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.rt-cycle-title {
  text-align: center;
  font-family: "Noto Serif JP", serif;
  font-size: 26px;
  font-weight: 300;
  margin: 0 0 56px;
  color: var(--black);
  letter-spacing: 0.02em;
}

.rt-cycle-steps {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 0;
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: 1100px;
  flex-wrap: nowrap;
}

.rt-cycle-step {
  flex: 1 1 0;
  min-width: 120px;
  background: var(--soft);
  padding: 28px 16px;
  text-align: center;
  border-radius: 8px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--black);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-weight: 500;
}

.rt-cycle-num {
  font-family: "Cormorant Garamond", serif;
  font-size: 18px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.rt-cycle-arrow {
  flex: 0 0 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray);
  font-size: 18px;
  font-weight: 300;
  list-style: none;
}

.rt-cycle-prose {
  margin-top: 56px;
}

/* ============================
   Solution
============================ */
.rt-solution {
  padding: 120px 0;
  background: var(--navy);
  color: var(--white);
}

.rt-solution-header {
  text-align: center;
  margin-bottom: 64px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.rt-solution-sub {
  font-family: "Cormorant Garamond", serif;
  font-size: 13px;
  letter-spacing: 0.4em;
  color: var(--gold);
  margin-bottom: 20px;
  text-transform: uppercase;
}

.rt-solution-title {
  font-family: "Noto Serif JP", serif;
  font-size: 34px;
  font-weight: 300;
  line-height: 1.6;
  margin: 0 0 28px;
  letter-spacing: 0.02em;
}

.rt-solution-em {
  color: var(--gold);
  font-weight: 400;
}

.rt-solution-lead {
  font-size: 15px;
  line-height: 2;
  color: rgba(255, 255, 255, 0.8);
}

.rt-solution-lead strong {
  color: var(--gold);
  font-weight: 700;
}

.rt-solution-process {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 64px auto;
  max-width: 1000px;
  list-style: none;
  padding: 0;
}

.rt-solution-step {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 40px 28px;
  text-align: center;
}

.rt-solution-num {
  font-family: "Cormorant Garamond", serif;
  font-size: 40px;
  font-weight: 300;
  color: var(--gold);
  display: block;
  margin-bottom: 14px;
  line-height: 1;
}

.rt-solution-step-title {
  font-family: "Noto Serif JP", serif;
  font-size: 18px;
  font-weight: 400;
  margin: 0 0 14px;
  color: var(--white);
  letter-spacing: 0.04em;
}

.rt-solution-step-text {
  font-size: 13px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.7);
}

.rt-solution-result {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.rt-solution-result p {
  font-family: "Noto Serif JP", serif;
  font-size: 18px;
  font-weight: 300;
  line-height: 2;
  color: rgba(255, 255, 255, 0.9);
}

.rt-solution-result strong {
  color: var(--gold);
  font-weight: 400;
}

/* ============================
   Home Care
============================ */
.rt-homecare {
  padding: 120px 0;
  background: var(--beige);
}

.rt-homecare-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
}

.rt-homecare-image {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--soft);
}

.rt-homecare-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.rt-homecare-body .rt-section-sub {
  text-align: left;
}

.rt-homecare-body .rt-section-title {
  text-align: left;
  margin-bottom: 32px;
}

.rt-homecare-quote {
  margin-top: 28px;
  padding: 20px 24px;
  border-left: 2px solid var(--gold);
  background: rgba(255, 255, 255, 0.5);
  font-family: "Noto Serif JP", serif;
  font-size: 15px;
  line-height: 1.9;
  color: var(--black);
}

/* ============================
   Accumulation
============================ */
.rt-accumulation {
  padding: 120px 0;
  background: var(--white);
}

.rt-accumulation-inner {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}

.rt-accumulation .rt-section-title {
  margin-bottom: 32px;
}

/* ============================
   Application
============================ */
.rt-application {
  padding: 120px 0;
  background: var(--soft);
}

.rt-application-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1100px;
  margin: 0 auto;
}

.rt-application-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.rt-application-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.08);
}

.rt-application-image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--beige);
}

.rt-application-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.rt-application-body {
  padding: 32px 28px 36px;
}

.rt-application-tag {
  font-family: "Cormorant Garamond", serif;
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--gold);
  margin-bottom: 10px;
  text-transform: uppercase;
}

.rt-application-title {
  font-family: "Noto Serif JP", serif;
  font-size: 18px;
  font-weight: 400;
  margin: 0 0 14px;
  color: var(--black);
  line-height: 1.6;
}

.rt-application-text {
  font-size: 13px;
  line-height: 1.95;
  color: var(--darkgray);
}

.rt-application-foot {
  max-width: 760px;
  margin: 56px auto 0;
  text-align: center;
  font-size: 14px;
  line-height: 1.95;
  color: var(--darkgray);
}

/* ============================
   Comparison
============================ */
.rt-comparison {
  padding: 120px 0;
  background: var(--white);
}

.rt-comparison-table {
  width: 100%;
  max-width: 920px;
  margin: 0 auto;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
}

.rt-comparison-table th,
.rt-comparison-table td {
  padding: 22px 28px;
  text-align: center;
  font-size: 14px;
  line-height: 1.7;
  vertical-align: middle;
  letter-spacing: 0.02em;
}

.rt-comparison-table thead th {
  font-family: "Noto Serif JP", serif;
  font-size: 15px;
  font-weight: 400;
  padding: 26px;
  letter-spacing: 0.04em;
}

.rt-comparison-table thead th:first-child {
  background: var(--soft);
  color: var(--gray);
}

.rt-comparison-table thead th:last-child {
  background: var(--navy);
  color: var(--white);
}

.rt-comparison-table thead th:last-child sup {
  color: var(--gold);
  font-size: 9px;
}

.rt-comparison-table tbody tr {
  border-bottom: 1px solid var(--line);
}

.rt-comparison-table tbody tr:last-child td {
  border-bottom: none;
}

.rt-comparison-table tbody td:first-child {
  background: var(--white);
  color: var(--gray);
  border-bottom: 1px solid var(--line);
}

.rt-comparison-table tbody td:last-child {
  background: rgba(10, 29, 87, 0.04);
  color: var(--black);
  font-weight: 700;
  border-bottom: 1px solid var(--line);
}

/* ============================
   Features (01-04)
============================ */
.rt-features {
  padding: 120px 0;
  background: var(--soft);
}

.rt-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.rt-feature {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
}

.rt-feature-num {
  font-family: "Cormorant Garamond", serif;
  font-size: 14px;
  letter-spacing: 0.28em;
  color: var(--gold);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.rt-feature-title {
  font-family: "Noto Serif JP", serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  margin: 0 0 14px;
  color: var(--black);
  letter-spacing: 0.02em;
}

.rt-feature-text {
  font-size: 13px;
  line-height: 1.95;
  color: var(--gray);
}

.rt-feature-detail {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 56px;
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}

.rt-feature-detail:first-of-type {
  margin-top: 32px;
  border-top: 1px solid var(--line);
}

.rt-feature-detail-num {
  font-family: "Cormorant Garamond", serif;
  font-size: 34px;
  font-weight: 300;
  color: var(--gold);
  display: block;
  margin-bottom: 14px;
  line-height: 1;
}

.rt-feature-detail-title {
  font-family: "Noto Serif JP", serif;
  font-size: 19px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--black);
  margin: 0;
}

/* ============================
   Recommend
============================ */
.rt-recommend {
  padding: 120px 0;
  background: var(--white);
}

.rt-recommend-list {
  list-style: none;
  padding: 0;
  max-width: 760px;
  margin: 0 auto;
}

.rt-recommend-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.8;
  color: var(--black);
  letter-spacing: 0.02em;
}

.rt-recommend-list li::before {
  content: "✓";
  color: var(--gold);
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
  line-height: 1.8;
}

.rt-recommend-note {
  max-width: 640px;
  margin: 48px auto 0;
  text-align: center;
  font-size: 14px;
  line-height: 2;
  color: var(--darkgray);
}

.rt-recommend-note strong {
  color: var(--black);
  font-weight: 700;
}

/* ============================
   Combination
============================ */
.rt-combination {
  padding: 120px 0;
  background: var(--soft);
}

.rt-combination-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.rt-combination-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 32px;
}

.rt-combination-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 48px 36px;
  text-align: center;
}

.rt-combination-tag {
  font-family: "Cormorant Garamond", serif;
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--gold);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.rt-combination-name {
  font-family: "Noto Serif JP", serif;
  font-size: 22px;
  font-weight: 400;
  margin: 0 0 16px;
  color: var(--black);
  letter-spacing: 0.02em;
}

.rt-combination-role {
  font-size: 13px;
  line-height: 2;
  color: var(--darkgray);
}

.rt-combination-prose {
  margin-top: 48px;
}

.rt-combination-cta {
  text-align: center;
  margin-top: 48px;
}

/* ============================
   Final CTA
============================ */
.rt-final {
  background: #111111;
  color: var(--white);
  padding: 140px 24px;
  text-align: center;
}

.rt-final-inner {
  max-width: 760px;
  margin: 0 auto;
}

.rt-final-mark {
  font-family: "Cormorant Garamond", serif;
  font-size: 12px;
  letter-spacing: 0.4em;
  color: var(--gold);
  margin-bottom: 32px;
  text-transform: uppercase;
}

.rt-final-title {
  font-family: "Noto Serif JP", serif;
  font-size: 36px;
  font-weight: 300;
  line-height: 1.6;
  margin-bottom: 40px;
  color: var(--white);
  letter-spacing: 0.03em;
}

.rt-final-text {
  font-size: 14px;
  line-height: 2;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 16px;
}

.rt-final-tagline {
  font-family: "Noto Serif JP", serif;
  font-size: 17px;
  line-height: 1.9;
  color: var(--gold);
  margin: 40px 0 48px;
  letter-spacing: 0.04em;
}

.rt-final-btns {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* ============================
   Mobile
============================ */
@media (max-width: 768px) {
  .rt-hero-bg {
    aspect-ratio: 4 / 5;
  }

  .rt-hero-overlay {
    background: linear-gradient(
      to bottom,
      rgba(15, 15, 15, 0.3) 0%,
      rgba(15, 15, 15, 0.6) 55%,
      rgba(15, 15, 15, 0.92) 100%
    );
  }

  .rt-hero-inner {
    padding: 0 24px 48px;
    align-items: flex-end;
  }

  .rt-hero-title {
    font-size: 28px;
  }

  .rt-hero-text {
    font-size: 13px;
  }

  .rt-intro,
  .rt-science,
  .rt-cycle,
  .rt-solution,
  .rt-homecare,
  .rt-accumulation,
  .rt-application,
  .rt-comparison,
  .rt-features,
  .rt-recommend,
  .rt-combination {
    padding: 72px 0;
  }

  .rt-intro {
    padding: 72px 24px;
  }

  .rt-final {
    padding: 80px 24px;
  }

  .rt-section-title {
    font-size: 22px;
  }

  .rt-intro-hook {
    font-size: 18px;
  }

  .rt-science-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .rt-science-card {
    padding: 36px 24px;
  }

  .rt-cycle-steps {
    flex-direction: column;
    gap: 0;
  }

  .rt-cycle-arrow {
    transform: rotate(90deg);
    padding: 8px 0;
  }

  .rt-cycle-step {
    padding: 20px 16px;
  }

  .rt-solution-title {
    font-size: 24px;
  }

  .rt-solution-process {
    grid-template-columns: 1fr;
    gap: 14px;
    margin: 40px auto;
  }

  .rt-solution-step {
    padding: 32px 24px;
  }

  .rt-solution-result p {
    font-size: 16px;
  }

  .rt-homecare-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .rt-homecare-body .rt-section-sub,
  .rt-homecare-body .rt-section-title {
    text-align: center;
  }

  .rt-application-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .rt-application-foot {
    margin-top: 36px;
    font-size: 13px;
  }

  .rt-comparison-table th,
  .rt-comparison-table td {
    padding: 14px 12px;
    font-size: 12px;
  }

  .rt-comparison-table thead th {
    padding: 18px 12px;
    font-size: 13px;
  }

  .rt-features-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .rt-feature {
    padding: 28px 22px;
  }

  .rt-feature-detail {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 32px 0;
  }

  .rt-recommend-list li {
    font-size: 14px;
    padding: 16px 0;
  }

  .rt-combination-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .rt-combination-card {
    padding: 36px 24px;
  }

  .rt-final-title {
    font-size: 24px;
  }

  .rt-final-tagline {
    font-size: 15px;
  }

  .rt-final-btns {
    flex-direction: column;
    align-items: center;
  }

  .rt-final-btns .rt-btn {
    width: 100%;
    max-width: 320px;
  }
}