@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&display=swap');

:root {
  --color-bg:         #ffeffa;
  --color-accent:     #633b48;
  --color-text:       #1d1b20;
  --color-text-light: #000000;

  --page-padding:     48px;
  --card-size:        384px;
  --card-border:      4px solid var(--color-accent);
  --grid-gap:         64px;

  --font-family:      'Noto Sans JP', sans-serif;

  --fs-display:       57px;
  --lh-display:       64px;
  --ls-display:       -0.25px;

  --fs-section:       36px;
  --lh-section:       44px;

  --fs-body:          16px;
  --lh-body:          24px;
  --ls-body:          0.5px;
}

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

html, body {
  height: 100%;
}

body {
  background-color: var(--color-bg);
  font-family: var(--font-family);
  color: var(--color-text);
}

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

img {
  display: block;
}

.gallery-page {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding: var(--page-padding);
}

.gallery-title {
  font-size: var(--fs-display);
  line-height: var(--lh-display);
  letter-spacing: var(--ls-display);
  color: var(--color-accent);
  font-weight: 400;
  text-align: center;
}

.gallery-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--grid-gap);
  justify-content: center;
  padding: 8px;
}

.card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.card:hover {
  opacity: 0.85;
}

.card-picture {
  width: var(--card-size);
  height: var(--card-size);
  border: var(--card-border);
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
}

.card-picture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.card-name {
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  letter-spacing: var(--ls-body);
  color: var(--color-text-light);
  text-align: center;
  font-weight: 400;
}

.detail-page {
  display: flex;
  gap: 32px;
  padding: var(--page-padding);
  min-height: 100vh;
}

.back-nav {
  display: flex;
  align-items: flex-start;
  flex-shrink: 0;
  font-size: 32px;
  color: var(--color-text);
  line-height: 1;
  padding-top: 8px;
  transition: opacity 0.2s ease;
}

.back-nav:hover {
  opacity: 0.65;
}

.detail-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.detail-picture {
  width: var(--card-size);
  height: var(--card-size);
  border: var(--card-border);
  overflow: hidden;
  position: relative;
}

.detail-picture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.detail-name {
  font-size: var(--fs-display);
  line-height: var(--lh-display);
  letter-spacing: var(--ls-display);
  color: var(--color-accent);
  font-weight: 400;
  text-align: center;
  white-space: nowrap;
}

.detail-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 24px;
}

.detail-section h2 {
  font-size: var(--fs-section);
  line-height: var(--lh-section);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 4px;
}

.detail-section p {
  font-size: var(--fs-section);
  line-height: var(--lh-section);
  font-weight: 400;
  color: var(--color-text);
}