@charset "UTF-8";

/* ==========================================================
   CREATOR ART EVENT TOKYO
   白基調 × ミニマル × 20-30代女性向けのやわらかなアクセント
   ========================================================== */

:root {
  --color-text: #1a1a1a;
  --color-bg: #ffffff;
  --color-accent: #c79a9a;        /* くすみピンク */
  --color-accent-pale: #f5edec;   /* 淡いピンクベージュ */
  --color-gray: #888888;
  --color-dark: #181818;
  --font-sans: "Noto Sans JP", sans-serif;
  --font-serif: "Noto Serif JP", serif;
  --font-en: "Jost", sans-serif;
  --header-h: 72px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.9;
  letter-spacing: 0.06em;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
a { color: inherit; text-decoration: none; }

.pc-only { display: inline; }
.sp-only { display: none; }

/* ----------------------------------------------------------
   ヘッダー
---------------------------------------------------------- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  padding: 0 40px;
  transition: background-color 0.4s ease, box-shadow 0.4s ease;
}

.header.is-scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

.header__logo {
  font-family: var(--font-en);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.18em;
}

.header__logo span { color: var(--color-text); }

.header__menu {
  display: flex;
  gap: 36px;
}

.header__menu a {
  display: block;
  text-align: center;
  position: relative;
  padding: 4px 0;
}

.header__menu .en {
  display: block;
  font-family: var(--font-en);
  font-size: 0.9rem;
  letter-spacing: 0.16em;
}

.header__menu .ja {
  display: block;
  font-size: 0.6rem;
  color: var(--color-gray);
  letter-spacing: 0.1em;
}

.header__menu a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.header__menu a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* ハンバーガー（スマホ） */
.header__toggle {
  display: none;
  position: relative;
  width: 44px; height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 110;
}

.header__toggle span {
  position: absolute;
  left: 10px;
  width: 24px; height: 1.5px;
  background: var(--color-text);
  transition: transform 0.3s ease, top 0.3s ease;
}

.header__toggle span:nth-child(1) { top: 18px; }
.header__toggle span:nth-child(2) { top: 26px; }

.header__toggle.is-open span:nth-child(1) { top: 22px; transform: rotate(20deg); }
.header__toggle.is-open span:nth-child(2) { top: 22px; transform: rotate(-20deg); }

/* ----------------------------------------------------------
   ヒーロー
---------------------------------------------------------- */
.hero {
  position: relative;
  height: 100vh;
  height: 100svh;
  min-height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__slides { position: absolute; inset: 0; }

.hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1);
  transition: opacity 2s ease;
}

.hero__slide.is-active {
  opacity: 1;
  animation: kenburns 9s ease-out forwards;
}

@keyframes kenburns {
  from { transform: scale(1); }
  to   { transform: scale(1.08); }
}

/* 白い会場写真の上に、さらに白のベールを重ねてロゴを際立たせる */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.42);
  z-index: 1;
}

.hero__inner {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
}

.hero__title img {
  width: min(640px, 82vw);
  margin: 0 auto;
}

.hero__date {
  margin-top: 36px;
  font-family: var(--font-en);
  font-weight: 300;
  font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  letter-spacing: 0.22em;
}

.hero__date span {
  font-size: 0.65em;
  color: var(--color-accent);
  margin: 0 0.2em;
}

.hero__place {
  margin-top: 8px;
  font-size: clamp(0.75rem, 1.6vw, 0.9rem);
  letter-spacing: 0.24em;
  color: #444;
}

.hero__addr {
  margin-top: 4px;
  font-size: clamp(0.68rem, 1.4vw, 0.8rem);
  letter-spacing: 0.16em;
  color: #666;
}

.hero__scroll {
  position: absolute;
  bottom: 0; left: 50%;
  z-index: 2;
  transform: translateX(-50%);
}

.hero__scroll span {
  display: block;
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--color-gray);
  padding-bottom: 64px;
  position: relative;
}

.hero__scroll span::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  width: 1px; height: 52px;
  background: linear-gradient(to bottom, var(--color-gray), transparent);
  animation: scrollline 2.2s ease-in-out infinite;
  transform-origin: top;
}

@keyframes scrollline {
  0%   { transform: scaleY(0); transform-origin: top; }
  45%  { transform: scaleY(1); transform-origin: top; }
  55%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ----------------------------------------------------------
   セクション共通
---------------------------------------------------------- */
.section { padding: 140px 0; }

.section__inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 32px;
}

.section__inner--wide { max-width: 1160px; }

.section__label {
  font-family: var(--font-en);
  font-weight: 300;
  font-style: italic;
  font-size: 0.95rem;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: 28px;
}

.section__label--ondark { color: #d8b4b4; }

.section__title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  letter-spacing: 0.14em;
  margin-bottom: 56px;
}

/* フェードイン */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1s ease, transform 1s ease;
}

.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ----------------------------------------------------------
   About
---------------------------------------------------------- */
.about {
  text-align: center;
  padding-top: 160px;
}

.about__heading {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(1.9rem, 5.4vw, 3.4rem);
  letter-spacing: 0.18em;
  line-height: 1.6;
  margin-bottom: 48px;
}

.about__heading em {
  font-style: normal;
  color: var(--color-text);
}

.about__lead {
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  letter-spacing: 0.12em;
  line-height: 2.3;
  margin-bottom: 36px;
}

.about__text {
  font-size: clamp(0.9rem, 1.9vw, 1rem);
  line-height: 2.3;
}

.about__text strong {
  font-weight: 500;
  font-size: 1.25em;
  letter-spacing: 0.1em;
}

.about__addr {
  display: block;
  margin-top: 14px;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--color-gray);
}

.about__note {
  display: inline-block;
  margin-top: 48px;
  padding: 14px 36px;
  font-size: 0.9rem;
  letter-spacing: 0.14em;
  background: var(--color-accent-pale);
  border-radius: 999px;
}

/* ----------------------------------------------------------
   Distribution Creator（ダークセクション）
---------------------------------------------------------- */
.concept {
  position: relative;
  overflow: hidden;
  background: var(--color-dark);
  color: #f4f1ef;
}

.concept .section__inner { position: relative; z-index: 1; }

/* PCは横2枚並び・スマホは縦2枚並び */
.concept__feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: stretch;
  margin-top: 90px;
}

.concept__feature-box {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: 2px;
}

.concept__feature-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  box-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.4);
}

/* 黄色の女性と同じ画角(3/4)に合わせ、右側をトリミングでカット（左寄せ表示） */
.concept__feature-box--cropright img {
  object-position: left center;
}

/* 後日2枚目の画像が入る空白枠 */
.concept__feature-box--blank {
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.06);
  border: 2px dashed rgba(255, 255, 255, 0.45);
}

.concept__feature-box--blank span {
  font-family: var(--font-en);
  font-weight: 300;
  font-size: 0.9rem;
  letter-spacing: 0.3em;
  color: rgba(255, 255, 255, 0.55);
}

.concept__heading {
  font-family: var(--font-en);
  font-weight: 300;
  font-size: clamp(2.6rem, 9vw, 6.4rem);
  letter-spacing: 0.06em;
  line-height: 1.15;
  margin-bottom: 56px;
}

/* 本文は左右の大きなイラストを避けて右下に回り込ませる */
.concept__body {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin-top: 8px;
}

.concept__body p {
  font-size: clamp(0.9rem, 1.9vw, 1rem);
  line-height: 2.4;
  color: #d9d4d1;
}

.concept__info {
  position: relative;
  z-index: 1; /* 上の星空イラストが動いてきても文字が上に残るように */
  margin-top: 140px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.concept__info > div {
  display: flex;
  gap: 32px;
  padding: 18px 4px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 0.95rem;
}

.concept__info dt {
  flex-shrink: 0;
  width: 4em;
  color: #d8b4b4;
  font-weight: 400;
}

.concept__info-addr {
  display: block;
  margin-top: 4px;
  font-size: 0.8em;
  color: #b8b3b0;
  letter-spacing: 0.04em;
}

.tentative {
  font-size: 0.7em;
  color: #999;
  margin-left: 1em;
}

/* ----------------------------------------------------------
   Movie
---------------------------------------------------------- */
.movie { background: #faf8f7; }

.movie__frame {
  position: relative;
  aspect-ratio: 16 / 9;
  box-shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.25);
}

.movie__frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* YouTubeショート（縦長動画）用。中央に縦長で表示 */
.movie__frame--short {
  aspect-ratio: 9 / 16;
  max-width: 360px;
  margin: 0 auto;
  border-radius: 4px;
  overflow: hidden;
}

/* ----------------------------------------------------------
   Creator
---------------------------------------------------------- */
.creator__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 56px 40px;
}

.creator__img {
  overflow: hidden;
  background: #f3f1f0;
}

.creator__img img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.creator__item:hover .creator__img img { transform: scale(1.05); }

/* 本番画像が届くまでの仮表示 */
.creator__img--placeholder {
  aspect-ratio: 3 / 4;
  display: grid;
  place-items: center;
  background: linear-gradient(160deg, #f5f1f0 0%, #ece5e3 100%);
}

.creator__img--placeholder span {
  font-family: var(--font-en);
  font-weight: 300;
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  color: #b5a8a5;
}

.creator__item figcaption {
  margin-top: 16px;
  font-family: var(--font-en);
  font-size: 0.95rem;
  letter-spacing: 0.16em;
  text-align: center;
}

.creator__no {
  color: var(--color-accent);
  margin-right: 0.8em;
  font-style: italic;
}

/* クリエイターのSNSリンク（名前の下に中央寄せ・やや小さめ） */
.creator__sns {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}

.creator__sns a {
  color: var(--color-gray);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 0, 0, 0.18);
  padding-bottom: 2px;
  transition: color 0.3s, border-color 0.3s;
}

.creator__sns a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* 5人目（名前未定）の仮表示 */
.creator__tbd { color: #c4bcba; }

/* ----------------------------------------------------------
   Access
---------------------------------------------------------- */
.access { background: #faf8f7; }

.access__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: center;
}

.access__map img {
  background: #fff;
  padding: 16px;
  box-shadow: 0 16px 40px -20px rgba(0, 0, 0, 0.18);
}

.access__venue {
  font-family: var(--font-en);
  font-weight: 500;
  font-size: 1.6rem;
  letter-spacing: 0.12em;
  margin-bottom: 4px;
}

.access__venue span {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--color-gray);
  margin-left: 1em;
  letter-spacing: 0.2em;
}

.access__address {
  font-size: 0.9rem;
  margin-bottom: 28px;
}

.access__route > div {
  display: flex;
  gap: 20px;
  padding: 12px 0;
  border-bottom: 1px solid #e5e0de;
  font-size: 0.9rem;
}

.access__route dt {
  flex-shrink: 0;
  width: 6em;
  color: var(--color-gray);
}

.access__route strong { font-weight: 500; }

.access__gmap {
  display: inline-block;
  margin-top: 32px;
  padding: 12px 40px;
  font-family: var(--font-en);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  border: 1px solid var(--color-text);
  border-radius: 999px;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.access__gmap:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

/* ----------------------------------------------------------
   フッター
---------------------------------------------------------- */
.footer {
  padding: 72px 32px;
  text-align: center;
  background: var(--color-dark);
  color: #f4f1ef;
}

.footer__logo {
  font-family: var(--font-en);
  font-size: 1rem;
  letter-spacing: 0.24em;
  margin-bottom: 16px;
}

.footer__copy {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: #8d8885;
}

/* ----------------------------------------------------------
   レスポンシブ（スマホ）
---------------------------------------------------------- */
@media (max-width: 768px) {

  .pc-only { display: none; }
  .sp-only { display: inline; }

  .header { padding: 0 20px; }

  .header__toggle { display: block; }

  .header__nav {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.97);
    display: grid;
    place-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
  }

  .header__nav.is-open {
    opacity: 1;
    visibility: visible;
  }

  .header__menu {
    flex-direction: column;
    gap: 32px;
    text-align: center;
  }

  .header__menu .en { font-size: 1.4rem; }
  .header__menu .ja { font-size: 0.7rem; }

  .section { padding: 88px 0; }
  .section__inner { padding: 0 24px; }
  .section__title { margin-bottom: 40px; }

  .about { padding-top: 104px; }
  .about__note { padding: 12px 24px; font-size: 0.8rem; }

  .concept__info > div { gap: 20px; flex-wrap: wrap; }

  /* スマホは画像を縦に2枚並べる */
  .concept__feature {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 56px;
  }
  .concept__info { margin-top: 64px; }

  .creator__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 20px;
  }

  .access__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero__date { margin-top: 28px; }
}

@media (max-width: 420px) {
  .creator__grid { grid-template-columns: 1fr; }
}

/* アニメーションを減らす設定のユーザーへの配慮 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__slide.is-active { animation: none; }
  .fade-up { opacity: 1; transform: none; transition: none; }
  .plx { transform: none !important; }
}