/* ===========================
   PROJECT963 - Main Stylesheet
   Gold × Black Premium Design
   =========================== */

:root {
  --black: #000000;
  --black-mid: #111111;
  --black-card: #1A1A1A;
  --gold: #F5C432;
  --gold-light: #FFE566;
  --gold-dark: #C9920A;
  --dark: #000000;
  --metallic-gold: linear-gradient(135deg, #FFF5B0 0%, #F5C432 22%, #C9920A 42%, #FFE566 56%, #C9920A 72%, #8B6410 88%, #F5C432 100%);
  --gray: #888;
  --gray-light: #F5F5F5;
  --white: #FFFFFF;
  --font: 'Noto Sans JP', sans-serif;
  --radius: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.25);
  --transition: 0.3s ease;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  color: var(--dark);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
}

/* BUTTONS */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  letter-spacing: 0.05em;
}

.btn--gold {
  background: linear-gradient(135deg, #FFE580 0%, #F5C432 30%, #C9920A 55%, #F5C432 80%, #FFE580 100%);
  color: var(--black);
  box-shadow: 0 4px 16px rgba(201,168,76,0.35);
}

.btn--gold:hover {
  background: linear-gradient(135deg, #FFF0A0 0%, #FFD966 30%, #D4A020 55%, #FFD966 80%, #FFF0A0 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,168,76,0.5);
}

.btn--outline-gold {
  background: transparent;
  background: linear-gradient(180deg, #FFF5B0 0%, #F5C432 20%, #C9920A 40%, #FFE566 55%, #C9920A 72%, #8B6410 88%, #F5C432 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  border: 2px solid #F5C432;
}

.btn--outline-gold:hover {
  background: linear-gradient(135deg, #FFE580 0%, #F5C432 30%, #C9920A 55%, #F5C432 80%, #FFE580 100%);
  -webkit-background-clip: unset;
  -webkit-text-fill-color: var(--black);
  background-clip: unset;
  color: var(--black);
}

.btn--large { padding: 18px 48px; font-size: 1.1rem; }

/* SECTIONS */
.section { padding: 100px 0; }

.section--dark {
  background: var(--black);
  color: var(--white);
}

.section--dark .section__label {
  background: linear-gradient(180deg, #FFF5B0 0%, #F5C432 20%, #C9920A 40%, #FFE566 55%, #C9920A 72%, #8B6410 88%, #F5C432 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section--dark .section__title {
  color: var(--white);
}

.section__header { text-align: center; margin-bottom: 64px; }

.section__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  background: linear-gradient(180deg, #FFF5B0 0%, #F5C432 20%, #C9920A 40%, #FFE566 55%, #C9920A 72%, #8B6410 88%, #F5C432 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.section__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  line-height: 1.3;
}

.section__sub {
  margin-top: 16px;
  color: var(--gray);
  font-size: 1.05rem;
}

.section__header--light .section__title { color: var(--white); }
.section__header--light .section__sub { color: rgba(255,255,255,0.6); }

/* ===========================
   HEADER
   =========================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: #000000;
  border-bottom: 1px solid rgba(245,196,50,0.2);
  transition: background var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  background: #000000;
  box-shadow: 0 2px 24px rgba(0,0,0,0.8);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo__main {
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  background: linear-gradient(180deg,
    #FFF5B0 0%,
    #F5C432 20%,
    #C9920A 40%,
    #FFE566 55%,
    #C9920A 72%,
    #8B6410 88%,
    #F5C432 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo__main strong {
  font-weight: 900;
}

.nav { display: flex; align-items: center; gap: 36px; }

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.05em;
  transition: var(--transition);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: #F5C432;
  transition: width var(--transition);
}

.nav__link:hover {
  background: linear-gradient(180deg, #FFF5B0 0%, #F5C432 20%, #C9920A 40%, #FFE566 55%, #C9920A 72%, #8B6410 88%, #F5C432 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav__link:hover::after { width: 100%; }

.nav__link--cta {
  background: linear-gradient(135deg, #FFE580 0%, #F5C432 30%, #C9920A 55%, #F5C432 80%, #FFE580 100%);
  -webkit-text-fill-color: var(--black);
  color: var(--black);
  padding: 8px 22px;
  border-radius: 4px;
  font-weight: 700;
}

.nav__link--cta::after { display: none; }

.nav__link--cta:hover {
  background: linear-gradient(135deg, #FFF0A0 0%, #FFD966 30%, #D4A020 55%, #FFD966 80%, #FFF0A0 100%);
  -webkit-background-clip: unset;
  -webkit-text-fill-color: var(--black);
  background-clip: unset;
  color: var(--black);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gold);
  transition: var(--transition);
}

/* ===========================
   HERO
   =========================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(13,13,13,0.92) 0%, rgba(30,20,0,0.80) 100%),
    url('../images/S__73285778_0.jpg') center/cover no-repeat;
  background-color: #0D0D0D;
}

/* Gold grain overlay */
.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  opacity: 0.4;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  padding: 120px 0 80px;
  max-width: 720px;
}

.hero__label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  background: linear-gradient(180deg, #FFF5B0 0%, #F5C432 20%, #C9920A 40%, #FFE566 55%, #C9920A 72%, #8B6410 88%, #F5C432 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero__label::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: #F5C432;
  flex-shrink: 0;
}

.hero__title {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 28px;
  letter-spacing: -0.01em;
}

.hero__sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 44px;
  line-height: 1.9;
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
}

.hero__scroll span {
  display: block;
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, #F5C432);
  margin: 0 auto;
  animation: scrollLine 1.8s ease infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===========================
   STATS
   =========================== */
.stats {
  background: linear-gradient(135deg, #FFE580 0%, #F5C432 30%, #C9920A 55%, #F5C432 80%, #FFE580 100%);
  padding: 48px 0;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: center;
}

.stats__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  border-right: 1px solid rgba(13,13,13,0.25);
}

.stats__item:last-child { border-right: none; }

.stats__num {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  color: var(--black);
  line-height: 1;
}

.stats__num em {
  font-style: normal;
  font-size: 0.6em;
  font-weight: 700;
}

.stats__label {
  font-size: 0.85rem;
  color: rgba(13,13,13,0.75);
  font-weight: 500;
}

/* ===========================
   ABOUT
   =========================== */
.about__body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about__text p {
  margin-bottom: 20px;
  color: #555;
  font-size: 1rem;
}

.about__text strong { color: var(--dark); font-weight: 700; }

.about__cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about__card {
  background: var(--gray-light);
  border-radius: var(--radius);
  padding: 28px;
  border-left: 4px solid #F5C432;
  transition: var(--transition);
}

.about__card:hover {
  box-shadow: 0 4px 20px rgba(201,168,76,0.15);
  transform: translateX(4px);
}

.about__card-icon {
  font-size: 0.65rem;
  font-weight: 900;
  letter-spacing: 0.2em;
  background: linear-gradient(180deg, #FFF5B0 0%, #F5C432 20%, #C9920A 40%, #FFE566 55%, #C9920A 72%, #8B6410 88%, #F5C432 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
}

.about__card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.about__card p {
  font-size: 0.9rem;
  color: var(--gray);
}

/* ===========================
   SERVICES
   =========================== */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.services__card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(201,168,76,0.15);
  padding: 48px 36px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.services__card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #F5C432, transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.services__card:hover {
  background: rgba(201,168,76,0.06);
  border-color: rgba(201,168,76,0.4);
}

.services__card:hover::before { opacity: 1; }

.services__icon {
  margin-bottom: 20px;
}

.services__num {
  font-size: 2.8rem;
  font-weight: 900;
  background: linear-gradient(180deg, #FFF5B0 0%, #F5C432 20%, #C9920A 40%, #FFE566 55%, #C9920A 72%, #8B6410 88%, #F5C432 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.25;
  line-height: 1;
  margin-bottom: 16px;
  font-variant-numeric: tabular-nums;
}

.services__name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.4;
}

.services__desc {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.85;
}

/* ===========================
   EVENTS
   =========================== */
.events { background: #F9F7F3; }

.events__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 32px;
  max-width: 800px;
  margin: 0 auto;
}

.event__card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 32px rgba(0,0,0,0.10);
  transition: var(--transition);
  border: 1px solid rgba(201,168,76,0.15);
}

.event__card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(201,168,76,0.18);
  border-color: #F5C432;
}

.event__img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--black-mid);
}

.event__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.event__card:hover .event__img img {
  transform: scale(1.04);
}

.event__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 4px 12px;
  border-radius: 20px;
}

.event__badge--upcoming {
  background: linear-gradient(135deg, #FFE580 0%, #F5C432 30%, #C9920A 55%, #F5C432 80%, #FFE580 100%);
  color: var(--black);
}

.event__badge--live {
  background: #e53e3e;
  color: var(--white);
}

.event__badge--ended {
  background: #888888;
  color: #ffffff;
}

/* ===== RESULTS ===== */
.results { background: #F5F5F5; }

.results__list { display: flex; flex-direction: column; gap: 40px; }

.results__items { list-style: none; display: flex; flex-direction: column; gap: 0; }
.results__item--hidden { display: none !important; }

.results__item {
  display: grid;
  grid-template-columns: 120px 1fr;
  grid-template-rows: auto auto;
  gap: 2px 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  align-items: start;
}

.results__date {
  font-size: 0.75rem;
  color: #888;
  grid-column: 1;
  grid-row: 1 / 3;
  padding-top: 2px;
  white-space: nowrap;
}

.results__name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--black-mid);
  grid-column: 2;
  grid-row: 1;
  text-decoration: none;
}
.results__name:hover { color: var(--gold-dark); text-decoration: underline; }

.results__venue {
  font-size: 0.75rem;
  color: #888;
  grid-column: 2;
  grid-row: 2;
}

@media (max-width: 600px) {
  .results__item {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
  }
  .results__date { grid-column: 1; grid-row: 1; }
  .results__name { grid-column: 1; grid-row: 2; }
  .results__venue { grid-column: 1; grid-row: 3; }
}

.results__more-wrap { text-align: center; margin-top: 24px; }
.results__more-btn {
  background: none;
  border: 1px solid var(--gold-dark);
  color: var(--gold);
  padding: 10px 32px;
  border-radius: 24px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.08em;
}
.results__more-btn:hover { background: rgba(245,196,50,0.1); }

.events__empty {
  text-align: center;
  color: var(--gray);
  padding: 40px 0;
  font-size: 0.9rem;
}
.events__empty a { color: var(--gold); }

.event__body {
  padding: 28px 28px 32px;
}

.event__date {
  font-size: 0.8rem;
  font-weight: 700;
  background: linear-gradient(180deg, #FFF5B0 0%, #F5C432 20%, #C9920A 40%, #FFE566 55%, #C9920A 72%, #8B6410 88%, #F5C432 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.event__title {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  color: var(--dark);
}

.event__venue {
  font-size: 0.875rem;
  color: var(--gray);
  margin-bottom: 24px;
}

/* ===========================
   WHY
   =========================== */
.why__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.why__item {
  background: rgba(201,168,76,0.06);
  border: 1px solid rgba(201,168,76,0.2);
  border-radius: var(--radius);
  padding: 36px;
  transition: var(--transition);
}

.why__item:hover {
  background: rgba(201,168,76,0.10);
  border-color: rgba(201,168,76,0.45);
}

.why__icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.why__item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  background: linear-gradient(180deg, #FFF5B0 0%, #F5C432 20%, #C9920A 40%, #FFE566 55%, #C9920A 72%, #8B6410 88%, #F5C432 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.why__item p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.85;
}

/* ===========================
   CONTACT
   =========================== */
.contact__form {
  max-width: 720px;
  margin: 0 auto;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form__group label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--dark);
}

.required {
  font-size: 0.7rem;
  background: linear-gradient(135deg, #FFE580 0%, #F5C432 30%, #C9920A 55%, #F5C432 80%, #FFE580 100%);
  color: var(--black);
  padding: 2px 6px;
  border-radius: 3px;
  margin-left: 6px;
  vertical-align: middle;
}

.form__group input,
.form__group select,
.form__group textarea {
  padding: 12px 16px;
  border: 2px solid #E0E0E0;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 1rem;
  transition: var(--transition);
  outline: none;
  width: 100%;
  background: var(--white);
}

.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  border-color: #F5C432;
  box-shadow: 0 0 0 3px rgba(201,168,76,0.15);
}

.form__group textarea { resize: vertical; }

.form__submit { text-align: center; margin-top: 32px; }

/* ===========================
   FOOTER
   =========================== */
.footer {
  background: var(--black);
  padding: 48px 0;
  border-top: 1px solid rgba(201,168,76,0.2);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__logo {
  font-size: 1.2rem;
  background: linear-gradient(180deg, #FFF5B0 0%, #F5C432 20%, #C9920A 40%, #FFE566 55%, #C9920A 72%, #8B6410 88%, #F5C432 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 400;
  letter-spacing: 0.08em;
}

.footer__logo strong {
  font-weight: 900;
}

.footer__sns { margin: 12px 0; }
.footer__sns-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--gold);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 700;
}
.footer__sns-link:hover { color: var(--gold-light); }

.footer__copy {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.3);
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 900px) {
  .about__body { grid-template-columns: 1fr; gap: 40px; }
  .services__grid { grid-template-columns: 1fr; gap: 8px; }
  .why__grid { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: 1fr; }
  .stats__item { border-right: none; border-bottom: 1px solid rgba(13,13,13,0.2); }
  .stats__item:last-child { border-bottom: none; }
  .events__grid { grid-template-columns: 1fr; max-width: 480px; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }

  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 70px 0 0 0;
    background: rgba(13,13,13,0.98);
    align-items: center;
    justify-content: center;
    gap: 40px;
    z-index: 99;
  }
  .nav.open .nav__link { font-size: 1.2rem; }
  .nav.open .nav__link--cta {
    padding: 12px 32px;
  }

  .hamburger { display: flex; }

  .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .hamburger.open span:nth-child(2) { opacity: 0; }
  .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .form__row { grid-template-columns: 1fr; }
  .footer__inner { flex-direction: column; gap: 16px; text-align: center; }
}