:root {
  --color-bg: #14120f;
  --color-surface: #1f1b16;
  --color-surface-soft: #191612;
  --color-deep: #0f0d0b;
  --color-text: #e9e3d7;
  --color-muted: #a89f90;
  --color-border: #352f27;
  --color-amber: #e1972f;
  --color-amber-strong: #f0b45c;
  --color-heading: #f8f4ea;
  --shadow-soft: 0 18px 42px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-bg);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.8;
  letter-spacing: 0;
}

a {
  color: inherit;
}

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

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 10;
  padding: 10px 14px;
  color: var(--color-surface);
  background: var(--color-heading);
  text-decoration: none;
  border-radius: 6px;
}

.skip-link:focus {
  top: 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(20, 18, 15, 0.88);
  border-bottom: 1px solid rgba(53, 47, 39, 0.9);
  backdrop-filter: blur(12px);
}

.header-inner {
  width: min(1120px, calc(100% - 32px));
  min-height: 68px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-heading);
  text-decoration: none;
  font-weight: 700;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  color: var(--color-surface);
  background: var(--color-amber);
  border-radius: 6px;
  font-size: 1rem;
  line-height: 1;
}

.brand-text {
  font-size: 0.98rem;
  line-height: 1;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
  color: var(--color-muted);
  font-size: 0.88rem;
  line-height: 1.4;
}

.site-nav a {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus {
  color: var(--color-amber-strong);
}

.section {
  padding: 72px 0;
  scroll-margin-top: 86px;
}

.section-muted {
  background: var(--color-surface-soft);
}

.section-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.narrow {
  width: min(840px, calc(100% - 32px));
}

.hero {
  min-height: 72vh;
  display: flex;
  align-items: center;
  padding: 72px 0 56px;
  background:
    radial-gradient(640px 420px at 78% 16%, rgba(225, 151, 47, 0.14), transparent 70%),
    linear-gradient(180deg, rgba(31, 27, 22, 0.65), rgba(20, 18, 15, 1)),
    var(--color-bg);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.72fr);
  align-items: center;
  gap: 56px;
}

.hero-content {
  min-width: 0;
}

.eyebrow,
.section-label {
  margin: 0 0 12px;
  color: var(--color-amber-strong);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.4;
}

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

h1,
h2,
h3 {
  margin: 0;
  color: var(--color-heading);
  line-height: 1.35;
  letter-spacing: 0;
}

h1 {
  font-size: 3.6rem;
  line-height: 1.05;
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .hero h1 {
    background: linear-gradient(115deg, var(--color-heading) 45%, var(--color-amber-strong) 92%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}

h2 {
  font-size: 1.75rem;
}

h3 {
  font-size: 1.05rem;
}

.tagline {
  margin: 18px 0 0;
  color: var(--color-text);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.5;
}

.hero-copy {
  max-width: 680px;
  margin: 24px 0 0;
  color: var(--color-muted);
  font-size: 1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
}

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

.button-primary:hover,
.button-primary:focus {
  background: var(--color-amber-strong);
}

.button-secondary {
  color: var(--color-heading);
  background: var(--color-surface);
  border-color: var(--color-border);
}

.button-secondary:hover,
.button-secondary:focus {
  border-color: var(--color-amber);
}

.hero-visual {
  min-height: 360px;
  display: grid;
  place-items: center;
}

.visual-panel {
  position: relative;
  width: min(100%, 360px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: var(--color-heading);
  background:
    linear-gradient(135deg, rgba(225, 151, 47, 0.22), rgba(31, 27, 22, 0.94) 48%),
    repeating-linear-gradient(90deg, rgba(233, 227, 215, 0.06) 0 1px, transparent 1px 42px),
    repeating-linear-gradient(0deg, rgba(233, 227, 215, 0.06) 0 1px, transparent 1px 42px),
    var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
}

.visual-k {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 7rem;
  line-height: 1;
  color: var(--color-amber-strong);
}

.visual-line {
  position: absolute;
  display: block;
  height: 1px;
  background: var(--color-amber);
}

.visual-line-one {
  width: 64%;
  top: 27%;
  right: -8%;
}

.visual-line-two {
  width: 48%;
  left: -10%;
  bottom: 28%;
}

.visual-chip {
  position: absolute;
  right: 22px;
  bottom: 20px;
  padding: 5px 10px;
  color: var(--color-amber-strong);
  background: rgba(20, 18, 15, 0.72);
  border: 1px solid rgba(225, 151, 47, 0.38);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.3;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 28px;
}

.body-copy {
  margin-top: 24px;
  color: var(--color-muted);
}

.body-copy p,
.contact-box p {
  margin: 0;
}

.body-copy p + p,
.contact-box p + p {
  margin-top: 1em;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.service-card {
  min-height: 228px;
  padding: 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

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

.service-card h3 {
  margin-top: 14px;
  margin-bottom: 12px;
}

.card-number {
  color: var(--color-amber-strong) !important;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.2;
}

.strength-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.strength-item {
  display: flex;
  gap: 16px;
  padding-top: 22px;
  border-top: 1px solid var(--color-border);
}

.strength-index {
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  display: inline-grid;
  place-items: center;
  color: var(--color-surface);
  background: var(--color-heading);
  border-radius: 6px;
  font-weight: 700;
  line-height: 1;
}

.strength-item p {
  margin: 10px 0 0;
  color: var(--color-muted);
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-list li {
  min-height: 118px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  padding: 18px;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-weight: 700;
  line-height: 1.5;
}

.flow-list span {
  width: 30px;
  height: 30px;
  display: inline-grid;
  place-items: center;
  color: var(--color-amber-strong);
  background: rgba(225, 151, 47, 0.16);
  border-radius: 6px;
  font-size: 0.82rem;
  line-height: 1;
}

.profile-list {
  margin: 28px 0 0;
  border-top: 1px solid var(--color-border);
}

.profile-list div {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border);
}

.profile-list dt {
  color: var(--color-muted);
  font-weight: 700;
}

.profile-list dd {
  margin: 0;
}

.profile-list a {
  color: var(--color-amber-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.contact-section {
  background: var(--color-deep);
  border-top: 1px solid var(--color-border);
}

.contact-box {
  margin-top: 24px;
  padding: 26px;
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
}

.site-footer {
  color: var(--color-muted);
  background: var(--color-deep);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-inner {
  width: min(1120px, calc(100% - 32px));
  min-height: 82px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.footer-inner p,
.footer-inner small {
  margin: 0;
}

.section-lead {
  max-width: 640px;
  margin: 14px 0 0;
  color: var(--color-muted);
}

.worry-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.worry-list li {
  position: relative;
  padding: 16px 18px 16px 48px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

.worry-list li::before {
  content: "✓";
  position: absolute;
  left: 16px;
  top: 17px;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  color: var(--color-surface);
  background: var(--color-amber);
  border-radius: 50%;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1;
}

.worry-closing {
  margin: 24px 0 0;
  color: var(--color-heading);
  font-weight: 700;
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  align-items: stretch;
}

.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 26px 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

.price-card-featured {
  border: 2px solid var(--color-amber);
}

.price-badge {
  position: absolute;
  top: -13px;
  left: 20px;
  margin: 0;
  padding: 3px 12px;
  color: var(--color-surface);
  background: var(--color-amber);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.5;
}

.price-amount {
  margin: 12px 0 16px;
  color: var(--color-amber-strong);
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1.2;
}

.price-amount span {
  font-size: 1rem;
}

.price-card ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.price-card li {
  position: relative;
  padding-left: 16px;
}

.price-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  background: var(--color-amber);
  border-radius: 50%;
}

.support-plans {
  margin-top: 40px;
}

.support-lead {
  margin: 10px 0 18px;
  color: var(--color-muted);
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.support-item {
  padding: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

.support-item p {
  margin: 0;
}

.support-name {
  font-weight: 700;
}

.support-item .support-price {
  margin-top: 6px;
  color: var(--color-amber-strong);
  font-weight: 700;
}

.support-item .support-desc {
  margin-top: 8px;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.price-notes {
  margin-top: 32px;
  padding: 22px 24px;
  background: var(--color-surface-soft);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

.price-notes-title {
  margin: 0 0 10px;
  color: var(--color-heading);
  font-weight: 700;
}

.price-notes ul {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.price-notes li {
  position: relative;
  padding-left: 14px;
}

.price-notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 5px;
  height: 5px;
  background: var(--color-muted);
  border-radius: 50%;
}

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

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

.faq-item summary {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 18px 52px 18px 22px;
  color: var(--color-heading);
  font-weight: 700;
  line-height: 1.6;
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::before {
  content: "Q";
  flex: 0 0 auto;
  color: var(--color-amber-strong);
  font-weight: 700;
}

.faq-item summary::after {
  content: "";
  position: absolute;
  top: 24px;
  right: 24px;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--color-muted);
  border-bottom: 2px solid var(--color-muted);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  transform: rotate(-135deg);
}

.faq-item summary:hover,
.faq-item summary:focus-visible {
  color: var(--color-amber-strong);
}

.faq-answer {
  padding: 0 22px 20px 40px;
  color: var(--color-muted);
}

.faq-answer p {
  margin: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@media (max-width: 900px) {
  .header-inner {
    min-height: auto;
    padding: 14px 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
    gap: 8px 14px;
    flex-wrap: wrap;
  }

  .section {
    padding: 60px 0;
    scroll-margin-top: 118px;
  }

  .hero {
    min-height: auto;
    padding-top: 64px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .hero-visual {
    min-height: 260px;
    place-items: start;
  }

  .visual-panel {
    width: min(100%, 320px);
  }

  h1 {
    font-size: 3rem;
  }

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

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

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

@media (max-width: 640px) {
  .header-inner,
  .section-inner,
  .narrow,
  .footer-inner {
    width: min(100% - 24px, 1120px);
  }

  .brand-mark {
    width: 32px;
    height: 32px;
  }

  .site-nav {
    font-size: 0.82rem;
    min-height: 44px;
    flex-wrap: nowrap;
    gap: 0 14px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

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

  .site-nav a {
    min-height: 44px;
    flex: 0 0 auto;
    white-space: nowrap;
  }

  .section {
    padding: 56px 0;
  }

  .hero {
    padding-top: 52px;
  }

  h1 {
    font-size: 2.45rem;
  }

  h2 {
    font-size: 1.45rem;
  }

  .tagline {
    font-size: 1.12rem;
  }

  .hero-copy {
    font-size: 0.96rem;
  }

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

  .button {
    width: 100%;
  }

  .hero-visual {
    display: none;
  }

  .service-grid,
  .strength-list,
  .flow-list,
  .worry-list,
  .support-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: 0;
    padding: 24px 22px;
  }

  .strength-item {
    padding-top: 18px;
  }

  .flow-list li {
    min-height: 0;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    gap: 14px;
    padding: 18px;
  }

  .profile-list div {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 16px 0;
  }

  .contact-box {
    padding: 22px;
  }

  .footer-inner {
    padding: 24px 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }
}