@charset "UTF-8";

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(to bottom, rgba(255,255,255,0.02), rgba(255,255,255,0)),
    #111214;
  color: #e7e7ea;
  font-family:
    "Yu Gothic",
    "Hiragino Kaku Gothic ProN",
    "Meiryo",
    sans-serif;
  line-height: 1.9;
  letter-spacing: 0.02em;
}

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

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

ul {
  margin: 0;
  padding: 0;
}

p {
  margin-top: 0;
}

::selection {
  background: rgba(197, 164, 109, 0.25);
}

.site-wrapper {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 260px;
  background:
    linear-gradient(to bottom, rgba(255,255,255,0.02), rgba(255,255,255,0)),
    #17181c;
  border-right: 1px solid #2b2d33;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar-inner {
  height: 100%;
  padding: 48px 28px;
  display: flex;
  flex-direction: column;
}

.main-content {
  flex: 1;
  min-width: 0;
}

.site-title {
  margin: 0 0 12px;
  font-size: 22px;
  font-weight: 400;
  letter-spacing: 0.24em;
  color: #c5a46d;
  font-family:
    "Yu Mincho",
    "Hiragino Mincho ProN",
    "MS PMincho",
    serif;
}

.site-catch {
  margin: 0 0 36px;
  color: #9a9ca3;
  font-size: 12px;
  line-height: 1.8;
}

.global-nav ul {
  list-style: none;
}

.global-nav li + li {
  margin-top: 14px;
}

.global-nav a {
  display: inline-block;
  color: #c3c5cb;
  font-size: 14px;
  letter-spacing: 0.08em;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition:
    color 0.3s ease,
    transform 0.3s ease,
    border-color 0.3s ease;
}

.global-nav a:hover {
  color: #c5a46d;
  transform: translateX(6px);
  border-color: rgba(197, 164, 109, 0.5);
}

.sidebar-footer {
  margin-top: auto;
  color: #7f828a;
  font-size: 11px;
  letter-spacing: 0.08em;
}

.hero {
  position: relative;
  min-height: 560px;
  overflow: hidden;
  border-bottom: 1px solid #26282d;
}

.hero-image {
  width: 100%;
  height: 560px;
  object-fit: cover;
  filter: brightness(0.52) contrast(1.05) grayscale(15%);
  transform: scale(1.02);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(17,18,20,1) 0%, rgba(17,18,20,0.2) 45%, rgba(17,18,20,0.25) 100%);
}

.hero-text {
  position: absolute;
  left: 72px;
  bottom: 64px;
  z-index: 2;
  max-width: 720px;
}

.hero-sub {
  margin-bottom: 14px;
  color: #c5a46d;
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h2 {
  margin: 0 0 18px;
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 400;
  line-height: 1.5;
  color: #f5f5f7;
  font-family:
    "Yu Mincho",
    "Hiragino Mincho ProN",
    "MS PMincho",
    serif;
}

.hero-lead {
  color: #c8c9ce;
  font-size: 15px;
  max-width: 620px;
}

.section {
  padding: 72px;
  border-bottom: 1px solid #23252a;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.section-header h2 {
  margin: 0;
  font-size: 28px;
  font-weight: 400;
  color: #f1f1f3;
  letter-spacing: 0.12em;
  font-family:
    "Yu Mincho",
    "Hiragino Mincho ProN",
    "MS PMincho",
    serif;
}

.section-header span {
  color: #5f636d;
  font-size: 13px;
  letter-spacing: 0.2em;
}

.section-body {
  max-width: 900px;
  color: #d0d2d8;
}

.news-list {
  list-style: none;
  border-top: 1px solid #2a2d33;
}

.news-list li {
  display: flex;
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid #2a2d33;
}

.news-list time {
  min-width: 110px;
  color: #c5a46d;
  font-size: 13px;
  letter-spacing: 0.08em;
}

.news-list span {
  color: #d6d8de;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.gallery-item {
  margin: 0;
  background: #181a1f;
  border: 1px solid #2a2d33;
  overflow: hidden;
  transition:
    transform 0.35s ease,
    border-color 0.35s ease,
    box-shadow 0.35s ease;
}

.gallery-item:hover {
  transform: translateY(-6px);
  border-color: rgba(197, 164, 109, 0.55);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.28);
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: brightness(0.82) contrast(1.08);
  transition: transform 0.5s ease, filter 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.04);
  filter: brightness(0.95) contrast(1.08);
}

.gallery-item figcaption {
  padding: 14px 16px;
  color: #bfc2ca;
  font-size: 13px;
  letter-spacing: 0.08em;
}

.card-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.story-card {
  background:
    linear-gradient(to bottom, rgba(255,255,255,0.02), rgba(255,255,255,0)),
    #181a1f;
  border: 1px solid #2a2d33;
  padding: 24px;
  transition:
    transform 0.3s ease,
    border-color 0.3s ease;
}

.story-card:hover {
  transform: translateY(-4px);
  border-color: rgba(197, 164, 109, 0.45);
}

.story-card h3 {
  margin: 0 0 14px;
  font-size: 20px;
  font-weight: 400;
  color: #f0f0f2;
  font-family:
    "Yu Mincho",
    "Hiragino Mincho ProN",
    "MS PMincho",
    serif;
}

.story-card p {
  color: #c9cbd2;
  margin-bottom: 18px;
}

.story-card a {
  display: inline-block;
  color: #c5a46d;
  font-size: 13px;
  letter-spacing: 0.08em;
  border-bottom: 1px solid rgba(197, 164, 109, 0.35);
  padding-bottom: 2px;
}

.world-box {
  background: #17191d;
  border: 1px solid #2a2d33;
  padding: 28px;
}

.world-lead {
  margin-bottom: 18px;
  color: #c5a46d;
  font-size: 13px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.world-list {
  list-style: none;
  display: grid;
  gap: 10px;
}

.world-list li {
  padding-left: 18px;
  position: relative;
  color: #d0d2d8;
}

.world-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: #7e828c;
}

.link-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 20px;
}

.link-buttons a {
  display: inline-block;
  min-width: 150px;
  text-align: center;
  padding: 12px 18px;
  border: 1px solid #333740;
  background: #17191d;
  color: #d4d6dd;
  transition:
    background 0.3s ease,
    color 0.3s ease,
    border-color 0.3s ease,
    transform 0.3s ease;
}

.link-buttons a:hover {
  background: #1d2026;
  color: #c5a46d;
  border-color: rgba(197, 164, 109, 0.45);
  transform: translateY(-2px);
}

.footer {
  padding: 32px 72px 52px;
  color: #888c95;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.to-top {
  appearance: none;
  border: 1px solid #333740;
  background: #17191d;
  color: #d5d7dd;
  padding: 10px 16px;
  cursor: pointer;
  letter-spacing: 0.08em;
  transition:
    color 0.3s ease,
    border-color 0.3s ease,
    transform 0.3s ease;
}

.to-top:hover {
  color: #c5a46d;
  border-color: rgba(197, 164, 109, 0.5);
  transform: translateY(-2px);
}

.section,
.hero-text {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.8s ease,
    transform 0.8s ease;
}

.section.show,
.hero-text.show {
  opacity: 1;
  transform: translateY(0);
}

@media screen and (max-width: 1024px) {
  .site-wrapper {
    display: block;
  }

  .sidebar {
    width: 100%;
    height: auto;
    position: static;
    border-right: none;
    border-bottom: 1px solid #2b2d33;
  }

  .sidebar-inner {
    padding: 28px 20px;
  }

  .global-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 18px;
  }

  .global-nav li + li {
    margin-top: 0;
  }

  .hero {
    min-height: 440px;
  }

  .hero-image {
    height: 440px;
  }

  .hero-text {
    left: 28px;
    right: 20px;
    bottom: 34px;
  }

  .section {
    padding: 48px 28px;
  }

  .footer {
    padding: 28px;
  }
}

@media screen and (max-width: 768px) {
  .gallery-grid,
  .card-list {
    grid-template-columns: 1fr;
  }

  .news-list li {
    display: block;
  }

  .news-list time {
    display: block;
    margin-bottom: 6px;
  }

  .section-header {
    align-items: center;
  }

  .hero h2 {
    line-height: 1.45;
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
  }
}