@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700&family=Cormorant+Garamond:ital,wght@0,300;0,600;1,300&display=swap');

/* ===== CSS Variables ===== */
:root {
  --black: #111111;
  --white: #ffffff;
  --gray-100: #f8f8f8;
  --gray-200: #eeeeee;
  --gray-400: #aaaaaa;
  --gray-700: #555555;
  --accent: #06C755;
  --transition-base: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; }

body {
  font-family: "Noto Sans JP", sans-serif;
  color: var(--black);
  line-height: 1.8;
  background: var(--white);
  overflow-x: hidden;
  cursor: none;
}

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

/* ===== Custom Cursor ===== */
body { cursor: none; }
a, button, [role="button"] { cursor: none; }

.cursor-dot {
  position: fixed;
  top: 0; left: 0;
  width: 10px; height: 10px;
  background: var(--black);
  border: 2px solid #fff;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 1px rgba(0,0,0,0.25), 0 2px 8px rgba(0,0,0,0.35);
  transition: width 0.18s ease, height 0.18s ease, background 0.18s ease;
}

.cursor-dot.is-hover {
  width: 28px; height: 28px;
  background: transparent;
  border-color: var(--black);
}

@media (max-width: 768px) {
  body { cursor: auto; }
  a, button, [role="button"] { cursor: auto; }
  .cursor-dot { display: none; }
}

/* ===== Page Transition ===== */
.page-transition {
  position: fixed;
  inset: 0;
  background: var(--black);
  z-index: 9000;
  transform: scaleY(1);
  transform-origin: top;
  animation: pageReveal 1s cubic-bezier(0.77, 0, 0.18, 1) 0.1s forwards;
}
@keyframes pageReveal {
  0%   { transform: scaleY(1); }
  100% { transform: scaleY(0); }
}

/* ===== Container ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ===== Header ===== */
.site-header {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: box-shadow var(--transition-base);
}

.site-header.scrolled {
  box-shadow: 0 2px 30px rgba(0,0,0,0.08);
}

.site-header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 40px;
}

.site-header__logo {
  height: 40px;
  transition: opacity var(--transition-base), transform var(--transition-base);
}
.site-header__logo:hover { opacity: 0.7; transform: scale(0.97); }

.nav__list {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav__link {
  text-decoration: none;
  color: var(--black);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.12em;
  position: relative;
  transition: opacity var(--transition-base);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--black);
  transition: width var(--transition-base);
}
.nav__link:hover::after { width: 100%; }
.nav__link:hover { opacity: 0.7; }

/* ===== Page Hero (サブページ用ヘッダー) ===== */
.page-hero {
  height: 32vh;
  min-height: 220px;
  background: var(--black);
  display: flex;
  align-items: flex-end;
  padding-bottom: 48px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: attr(data-label);
  position: absolute;
  bottom: -0.1em;
  left: 50%;
  transform: translateX(-50%);
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(80px, 16vw, 220px);
  font-weight: 300;
  color: rgba(255,255,255,0.06);
  letter-spacing: 0.1em;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}

.page-hero__inner {
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  padding: 0 40px;
}

.page-hero__label {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 13px;
  font-weight: 300;
  font-style: italic;
  letter-spacing: 0.25em;
  color: rgba(255,255,255,0.4);
  margin-bottom: 8px;
}

.page-hero__title {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.08em;
}

/* ===== Creation Section ===== */
.creation-section {
  padding: 100px 0 80px;
  text-align: center;
  background: var(--gray-100);
  position: relative;
  overflow: hidden;
}

.creation-section::before {
  content: 'CREATION';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(50px, 10vw, 140px);
  font-weight: 300;
  color: rgba(0,0,0,0.04);
  letter-spacing: 0.1em;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}

.creation-title {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  display: inline-block;
  position: relative;
}

.creation-title::before {
  content: 'Creation';
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 13px;
  font-weight: 300;
  font-style: italic;
  letter-spacing: 0.25em;
  color: var(--gray-400);
  margin-bottom: 8px;
}

.creation-title::after {
  content: '';
  display: block;
  width: 30px; height: 1px;
  background: var(--black);
  margin: 14px auto 0;
  transition: width 0.6s ease;
}
.creation-section:hover .creation-title::after { width: 70px; }

.creation-text {
  max-width: 640px;
  margin: 20px auto 48px;
  line-height: 2.1;
  color: var(--gray-700);
  font-size: 15px;
}

/* Layout rows */
.row {
  display: flex;
  justify-content: space-around;
  margin-bottom: 60px;
  gap: 20px;
}

.item {
  text-align: center;
  padding: 10px;
  transition: transform var(--transition-base);
}
.item:hover { transform: translateY(-6px); }

.top-row .item { flex-basis: 30%; }
.bottom-row { justify-content: center; }
.bottom-row .item { flex-basis: 40%; margin: 0 20px; }

.item-title {
  font-size: 1.05em;
  font-weight: 700;
  margin: 0 0 12px;
  line-height: 1.4;
  letter-spacing: 0.05em;
}

.item-image {
  width: 100%;
  max-width: 250px;
  height: auto;
  display: block;
  margin: 0 auto 14px;
  border-radius: 4px;
  transition: box-shadow var(--transition-base), transform 0.5s ease;
}
.item:hover .item-image { box-shadow: 0 20px 50px rgba(0,0,0,0.1); }

.item-description {
  line-height: 1.8;
  color: var(--gray-700);
  font-size: 14px;
}

/* ===== Competition Cards ===== */
.two-competition {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin: 60px auto;
  flex-wrap: wrap;
  padding: 0 20px;
}

.competition {
  background: var(--white);
  border-radius: 4px;
  padding: 28px 28px 36px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.07);
  width: 100%;
  max-width: 460px;
  text-align: left;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
}

.competition::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width 0.5s ease;
}
.competition:hover::before { width: 100%; }

@media (min-width: 769px) {
  .competition:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 50px rgba(0,0,0,0.1);
  }
}

.competition-img {
  width: 100%;
  height: 180px;
  object-fit: contain;
  background: var(--white);
  padding: 10px;
  border-radius: 4px;
  margin-bottom: 20px;
}

.competition-text {
  font-size: 15px;
  line-height: 1.9;
  color: var(--gray-700);
}

.competition-text strong,
.competition-text b { font-weight: 700; color: var(--black); }

.competition-text a {
  color: #0072c6;
  text-decoration: underline;
}
.competition-text a:hover { opacity: 0.7; }

/* ===== Event Section ===== */
.event-section {
  padding: 100px 0 80px;
  background: var(--gray-100);
  position: relative;
  overflow: hidden;
}

.event-section::before {
  content: 'EVENT';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(60px, 12vw, 180px);
  font-weight: 300;
  color: rgba(0,0,0,0.04);
  letter-spacing: 0.1em;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}

.event-title {
  text-align: center;
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  letter-spacing: 0.08em;
  display: block;
  position: relative;
}

.event-title::before {
  content: 'Event';
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 13px;
  font-weight: 300;
  font-style: italic;
  letter-spacing: 0.25em;
  color: var(--gray-400);
  margin-bottom: 8px;
}

.event-title::after {
  content: '';
  display: block;
  width: 30px; height: 1px;
  background: var(--black);
  margin: 14px auto 0;
  transition: width 0.6s ease;
}
.event-section:hover .event-title::after { width: 70px; }

/* Timeline */
.timeline {
  max-width: 960px;
  width: 100%;
  margin: 60px auto;
  padding: 0 30px;
  line-height: 1.8;
}

.timeline li {
  position: relative;
  list-style: none;
  padding: 0 0 36px 0;
}

.timeline dl { margin: 0 0 20px 3em; }

.timeline dt {
  font-weight: 700;
  margin: 0 0 10px;
  letter-spacing: 0.05em;
  font-family: 'Cormorant Garamond', serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--black);
}

.timeline dd {
  margin: 0;
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 20px 32px;
  align-items: start;
}

.timeline dd strong {
  display: block;
  font-weight: 700;
  margin: 4px 0 10px;
  letter-spacing: 0.05em;
}

.thumb { margin: 0; }

.thumb img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-radius: 4px;
  transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.timeline li:hover .thumb img {
  transform: scale(1.02);
  box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.body { font-size: 15px; color: var(--gray-700); }

/* Vertical line */
.border-line {
  position: absolute;
  left: 0.2em; top: 0;
  width: 2px; height: 0;
  background: linear-gradient(to bottom, var(--gray-400), var(--gray-200));
  transition: height 0.4s ease-out;
}

/* Dot */
.timeline li::after {
  content: '';
  position: absolute;
  top: 2px; left: 0;
  width: 10px; height: 10px;
  background: var(--black);
  border-radius: 50%;
  transition: transform 0.3s ease, background 0.3s ease;
}
.timeline li:hover::after {
  transform: scale(1.4);
  background: var(--accent);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--black);
  padding: 40px 0 28px;
  color: rgba(255,255,255,0.4);
}

.footer-credit,
.footer-copy {
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.1em;
  line-height: 2;
}

/* ===== Page Top ===== */
.pagetop {
  position: fixed;
  right: 28px; bottom: 28px;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--black);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  cursor: pointer;
  z-index: 300;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease, transform 0.3s ease;
}

.pagetop::before {
  content: "";
  position: absolute;
  top: 55%; left: 50%;
  width: 11px; height: 11px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  transform: translate(-50%, -50%) rotate(-45deg);
}

.pagetop.is-show { opacity: 1; visibility: visible; }
.pagetop:hover { transform: translateY(-4px); box-shadow: 0 10px 30px rgba(0,0,0,0.3); }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  body { cursor: auto; }
  .cursor-dot { display: none; }

  .site-header__inner { padding: 12px 20px; }
  .nav__link { font-size: 11px; }

  .page-hero { height: 26vh; min-height: 180px; padding-bottom: 32px; }
  .page-hero__inner { padding: 0 20px; }

  .creation-section,
  .event-section { padding: 70px 0; }

  .creation-text { padding: 0 16px; font-size: 14px; }

  .row { flex-direction: column; align-items: center; margin-bottom: 32px; }

  .top-row .item,
  .bottom-row .item { flex-basis: 100%; max-width: 400px; margin: 0 0 24px; }

  .item-image { max-width: 100%; }

  .two-competition { flex-direction: column; align-items: center; gap: 24px; margin: 40px auto; }
  .competition { max-width: 90%; padding: 20px 18px 28px; }

  .timeline { padding: 0 20px; }
  .timeline dl { margin: 0 0 16px 2.4em; }
  .timeline dd { grid-template-columns: 1fr; gap: 12px; }
  .thumb img { aspect-ratio: 16/11; }

  .pagetop { right: 16px; bottom: 20px; width: 44px; height: 44px; }
}