:root {
  --ink: #24201f;
  --muted: #6d625e;
  --paper: #fffaf4;
  --mist: #eef5f2;
  --rose: #b85f67;
  --teal: #2f716c;
  --ochre: #b78a45;
  --plum: #5d4254;
  --line: rgba(36, 32, 31, 0.14);
  --shadow: 0 18px 50px rgba(42, 31, 27, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

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

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  color: #fff;
  background: linear-gradient(180deg, rgba(21, 18, 18, 0.78), rgba(21, 18, 18, 0.18));
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  font-size: 12px;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.2vw, 28px);
  font-size: 14px;
  font-weight: 700;
}

.nav a {
  opacity: 0.9;
}

.nav a:hover {
  opacity: 1;
}

.nav-cta {
  padding: 8px 16px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 999px;
}

.hero {
  position: relative;
  min-height: 88vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: #fff;
}

.hero-bg,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-bg {
  background-image: url("img/t-1.png");
  background-position: center;
  background-size: cover;
  transform: scale(1.02);
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(25, 20, 20, 0.82) 0%, rgba(42, 35, 34, 0.66) 42%, rgba(55, 43, 40, 0.18) 100%),
    linear-gradient(0deg, rgba(22, 18, 18, 0.5), rgba(22, 18, 18, 0.1));
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
  padding-top: 74px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--ochre);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: var(--teal);
}

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

h1 {
  max-width: 860px;
  margin-bottom: 24px;
  font-size: clamp(42px, 7vw, 84px);
  line-height: 1.12;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

h2 {
  margin-bottom: 24px;
  font-size: clamp(30px, 4.5vw, 52px);
  line-height: 1.24;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 22px;
  line-height: 1.35;
}

.hero-copy {
  max-width: 690px;
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(16px, 2vw, 20px);
}

.mobile-break {
  display: block;
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  line-height: 1.4;
}

.button.primary {
  color: #fff;
  background: var(--rose);
  box-shadow: 0 12px 28px rgba(184, 95, 103, 0.28);
}

.button.secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.56);
  background: rgba(255, 255, 255, 0.08);
}

.button.light {
  color: var(--ink);
  background: #fff;
  box-shadow: none;
}

.button.secondary.light {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.45);
  background: transparent;
}

.section,
.intro {
  padding: clamp(64px, 9vw, 116px) 0;
}

.section-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.narrow {
  width: min(840px, calc(100% - 40px));
}

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

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
  gap: 38px;
  align-items: center;
}

.lead {
  margin-bottom: 0;
  font-size: clamp(22px, 3.1vw, 34px);
  font-weight: 700;
  line-height: 1.65;
}

.intro-note {
  padding: 28px;
  border-left: 4px solid var(--teal);
  background: #fff;
  box-shadow: var(--shadow);
}

.intro-note span,
.intro-note strong {
  display: block;
}

.intro-note span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.intro-note strong {
  margin: 4px 0 10px;
  color: var(--teal);
  font-size: 22px;
}

.intro-note p {
  margin-bottom: 0;
  color: var(--muted);
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
  gap: clamp(36px, 6vw, 72px);
  align-items: center;
}

.section-text p {
  color: var(--muted);
  font-size: 17px;
}

.quote-panel {
  padding: clamp(30px, 4vw, 48px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.quote-panel p {
  margin-bottom: 18px;
  color: var(--plum);
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 800;
  line-height: 1.38;
}

.quote-panel span {
  color: var(--muted);
  font-weight: 700;
}

.image-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 470px;
  background: #181413;
}

.image-tile {
  min-height: 470px;
  overflow: hidden;
}

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

.approach {
  background: #fff;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.feature-card {
  min-height: 300px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, #fff8f2);
}

.number {
  display: inline-block;
  margin-bottom: 28px;
  color: var(--rose);
  font-size: 13px;
  font-weight: 900;
}

.feature-card p,
.steps span,
.faq p {
  margin-bottom: 0;
  color: var(--muted);
}

.program {
  background: var(--mist);
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 32px;
  font-weight: 700;
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: inset 0 0 0 5px #d8ebe5;
}

.steps {
  padding: clamp(28px, 4vw, 42px);
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
}

.steps ol {
  display: grid;
  gap: 22px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  position: relative;
  min-height: 58px;
  padding-left: 64px;
  counter-increment: step;
}

.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 50%;
  color: var(--ink);
  background: var(--ochre);
  font-size: 13px;
  font-weight: 900;
}

.steps strong,
.steps span {
  display: block;
}

.message {
  color: #fff;
  background:
    linear-gradient(135deg, rgba(47, 113, 108, 0.94), rgba(93, 66, 84, 0.94)),
    url("img/t-2.png") center/cover;
}

.message p:not(.eyebrow) {
  max-width: 780px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 18px;
}

.faq {
  background: #fffaf4;
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

summary {
  cursor: pointer;
  padding: 22px 24px;
  font-size: 18px;
  font-weight: 800;
}

details p {
  padding: 0 24px 24px;
}

.cta-section {
  padding: clamp(64px, 8vw, 100px) 0;
  color: #fff;
  background: var(--plum);
}

.cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: center;
}

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

.cta-inner p:not(.eyebrow) {
  max-width: 720px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.86);
}

.site-footer {
  padding: 28px 0;
  color: #fff;
  background: #181413;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-inner p {
  margin-bottom: 0;
}

.footer-inner a {
  color: rgba(255, 255, 255, 0.78);
}

@media (max-width: 860px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
  }

  .nav {
    display: none;
  }

  .hero {
    min-height: 86vh;
  }

  .hero-bg {
    background-position: 58% center;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(25, 20, 20, 0.9), rgba(42, 35, 34, 0.58)),
      linear-gradient(0deg, rgba(22, 18, 18, 0.48), rgba(22, 18, 18, 0.08));
  }

  .intro-grid,
  .two-column,
  .feature-grid,
  .cta-inner {
    grid-template-columns: 1fr;
  }

  .image-band {
    grid-template-columns: 1fr;
  }

  .image-tile,
  .image-band {
    min-height: auto;
  }

  .image-tile {
    aspect-ratio: 4 / 3;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding: 12px 18px;
  }

  .brand {
    gap: 9px;
    font-size: 13px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .hero-inner,
  .section-inner,
  .narrow {
    width: min(100% - 28px, 362px);
    margin-left: 14px;
    margin-right: auto;
  }

  .hero {
    min-height: 88vh;
  }

  .hero-inner {
    padding-top: 86px;
  }

  h1 {
    font-size: 36px;
    line-height: 1.18;
  }

  h2 {
    font-size: 30px;
  }

  .hero-actions,
  .cta-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .section,
  .intro {
    padding: 58px 0;
  }

  .intro-note,
  .quote-panel,
  .feature-card,
  .steps {
    padding: 24px;
  }

  .feature-card {
    min-height: auto;
  }

  summary {
    padding: 18px 20px;
    font-size: 16px;
  }

  details p {
    padding: 0 20px 20px;
  }
}