:root {
  color-scheme: dark;
  --ink: #15100c;
  --ink-soft: #201811;
  --cream: #f7efdc;
  --muted: #d1c09a;
  --gold: #c9a84c;
  --gold-light: #e1c978;
  --berry: #c8395a;
  --line: rgba(201, 168, 76, 0.24);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--cream);
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.85;
}
a { color: inherit; }
img { max-width: 100%; display: block; }

.guide-shell { overflow: hidden; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 2;
  padding: 24px 0;
}
.brand {
  display: inline-flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1.1;
  letter-spacing: .22em;
}
.brand strong { font-family: "Cormorant Garamond", serif; font-size: 1.25rem; font-weight: 500; }
.brand span { color: var(--muted); font-size: .55rem; margin-top: 5px; letter-spacing: .27em; }

.hero {
  min-height: 585px;
  padding: 150px 0 90px;
  position: relative;
  isolation: isolate;
  display: grid;
  align-items: end;
  background: #120e0a;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: linear-gradient(90deg, rgba(16, 12, 9, .9) 0%, rgba(16, 12, 9, .56) 48%, rgba(16, 12, 9, .25)), var(--hero-image) center / cover no-repeat;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 50%;
  z-index: -1;
  background: linear-gradient(transparent, var(--ink));
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--gold-light);
  font: 500 .68rem/1 "Noto Sans JP", sans-serif;
  letter-spacing: .16em;
}
.eyebrow::before { content: ""; width: 36px; height: 1px; background: var(--gold); }
h1, h2, h3 { font-family: "Noto Serif JP", serif; font-weight: 500; }
h1 { font-size: clamp(2.1rem, 5.5vw, 4.6rem); line-height: 1.35; max-width: 14em; letter-spacing: .04em; margin: 20px 0 18px; }
.hero-copy { max-width: 650px; color: #ecdfbf; font-size: clamp(.95rem, 1.7vw, 1.08rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--gold);
  color: var(--cream);
  text-decoration: none;
  font-size: .78rem;
  letter-spacing: .12em;
  transition: transform .18s ease-out, background .18s ease-out, border-color .18s ease-out;
}
.button:hover { transform: translateY(-2px); background: rgba(201, 168, 76, .16); }
.button.primary { background: linear-gradient(135deg, #c8395a, #9d1e3d); border-color: rgba(200, 57, 90, .8); }
.button.primary:hover { background: linear-gradient(135deg, #e05070, #c8395a); }

.breadcrumbs { padding: 20px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: .76rem; }
.breadcrumbs a { text-underline-offset: 4px; }
.breadcrumbs span { color: var(--gold); padding: 0 8px; }

.section { padding: 80px 0; }
.section.soft { background: var(--ink-soft); }
.section-intro { max-width: 740px; margin-bottom: 38px; }
.section-label { color: var(--gold); font: .7rem/1 "Cormorant Garamond", serif; letter-spacing: .24em; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); line-height: 1.55; margin: 12px 0 16px; }
h3 { margin: 0; font-size: 1.3rem; line-height: 1.5; }
p { margin: 0; }
.section-intro p { color: var(--muted); }

.grid { display: grid; gap: 18px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card { border: 1px solid var(--line); background: rgba(247, 239, 220, .025); padding: 28px; }
.card .number { color: var(--gold); font: .78rem/1 "Cormorant Garamond", serif; letter-spacing: .18em; }
.card p { color: var(--muted); font-size: .92rem; margin-top: 12px; }
.card dl { margin: 20px 0 0; }
.card dt { color: var(--gold-light); font-size: .72rem; letter-spacing: .08em; }
.card dd { margin: 3px 0 13px; color: var(--cream); font-size: .88rem; }
.text-link { color: var(--gold-light); font-size: .84rem; text-underline-offset: 4px; }

.steps { counter-reset: steps; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.step { background: var(--ink); padding: 28px; }
.step::before { counter-increment: steps; content: "0" counter(steps); color: var(--gold); font: 1.5rem/1 "Cormorant Garamond", serif; }
.step h3 { margin-top: 13px; }
.step p { color: var(--muted); margin-top: 10px; font-size: .88rem; }

.notice { border-left: 2px solid var(--gold); padding: 18px 20px; background: rgba(201, 168, 76, .08); color: #e6d8b6; font-size: .9rem; }
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); padding: 20px 0; }
.faq summary { cursor: pointer; color: var(--cream); font-family: "Noto Serif JP", serif; }
.faq p { color: var(--muted); margin-top: 12px; font-size: .9rem; }

.cta-band { padding: 70px 0; text-align: center; background: radial-gradient(circle at center, rgba(200, 57, 90, .17), transparent 54%), var(--ink-soft); border-top: 1px solid var(--line); }
.cta-band h2 { margin-inline: auto; max-width: 20em; }
.cta-band p { color: var(--muted); max-width: 660px; margin: 0 auto 25px; }

.site-footer { padding: 34px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: .74rem; }
.footer-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.footer-row a { text-underline-offset: 4px; }

@media (max-width: 720px) {
  .container { width: min(100% - 32px, 1120px); }
  .hero { min-height: 560px; padding-bottom: 70px; }
  .hero::before { background: linear-gradient(180deg, rgba(16, 12, 9, .58), rgba(16, 12, 9, .86)), var(--hero-image) center / cover no-repeat; }
  .section { padding: 58px 0; }
  .grid.two, .steps { grid-template-columns: 1fr; }
  .card, .step { padding: 23px; }
  .footer-row { align-items: flex-start; flex-direction: column; }
}