@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;1,300&family=Noto+Serif+JP:wght@300;400;500&display=swap');

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --cream: #FAF6F0;
  --surface: rgba(250, 246, 240, 0.85);
  --ink: #2C2019;
  --ink-light: #7A6050;
  --border: #D8CFC4;
  --accent: #B8926A;
}

html, body {
  height: 100%;
}

body {
  background-color: var(--cream);
  color: var(--ink);
  font-family: 'Noto Serif JP', serif;
  font-weight: 300;
  letter-spacing: 0.03em;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 1.5rem;
  background: var(--cream);
  border-bottom: 1px solid rgba(216, 207, 196, 0.75);
  z-index: 100;
}

nav a {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-light);
  text-decoration: none;
  transition: color 0.2s;
}

nav a:hover,
nav a.current {
  color: var(--ink);
}

main,
.container {
  width: 100%;
  max-width: 520px;
}

.container {
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.page-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2rem;
  font-weight: 300;
  font-style: italic;
  letter-spacing: 0.08em;
  color: var(--ink);
}

.section-label,
label {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.back-link,
button[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  padding: 0.85rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  text-decoration: none;
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  cursor: pointer;
}

.back-link:hover,
button[type="submit"]:hover {
  background: #F3ECE4;
  border-color: #CDBEAF;
}

input,
textarea,
select {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 0;
  font-family: 'Noto Serif JP', serif;
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
  letter-spacing: 0.03em;
}

input:focus,
textarea:focus,
select:focus {
  border-bottom-color: var(--accent);
}

@media (max-width: 640px) {
  nav {
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 1rem;
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}