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

:root {
  --gold: #c9a84c;
  --gold-light: #e8c96a;
  --red: #c00000;
  --red-bright: #e00000;
  --bg-dark: #000000;
  --bg-mid: #111111;
  --bg-light: #d0d0d0;
  --text-dark: #1a1a1a;
  --text-white: #ffffff;
  --text-muted: #888888;
  --border-dark: #333333;
  --border-light: #bbbbbb;
  --green-tag: #2d6a2d;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
  background: #000;
  color: var(--text-white);
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 28px;
  background: transparent;
  backdrop-filter: blur(0px);
  transition: background 0.4s ease, backdrop-filter 0.4s ease;
}

.site-header.header-solid {
  background: rgba(0,0,0,0.95);
  backdrop-filter: blur(8px);
}

.header-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.header-logo .haraken {
  font-size: 16px;
  color: #fff;
  font-style: italic;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.header-logo .docus-logo-text {
  font-family: 'Oswald', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.08em;
  line-height: 1;
}

/* ヘッダー内エントリーボタン */
.header-entry-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  background: transparent;
  border: 1.5px solid var(--red);
  color: #fff;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 9px 22px;
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  cursor: pointer;
  transition: color 0.35s ease;
  z-index: 0;
}

.header-entry-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--red);
  z-index: -1;
  transition: none;
}

.header-entry-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: #a00000;
  z-index: -1;
  transform: translateX(-101%);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.header-entry-btn:hover::before {
  transform: translateX(0);
}

.header-entry-btn .btn-inner {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.header-entry-btn .btn-arrow {
  display: inline-block;
  width: 14px;
  height: 1.5px;
  background: #fff;
  position: relative;
  transition: width 0.3s ease;
}

.header-entry-btn .btn-arrow::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%) rotate(35deg);
  width: 6px;
  height: 1.5px;
  background: #fff;
  transform-origin: right center;
}

.header-entry-btn:hover .btn-arrow {
  width: 20px;
}

/* ============================================================
   HERO（ABOUT統合版）
   ============================================================ */
.hero {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  overflow: hidden;
  background: #000;
}

.hero-bg-img {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(0,0,0,0.05) 0%,
    rgba(0,0,0,0.0)  25%,
    rgba(0,0,0,0.15) 50%,
    rgba(0,0,0,0.7)  72%,
    rgba(0,0,0,0.92) 85%,
    rgba(0,0,0,1.0)  100%
  );
}

/* ロゴエリア：画面中央に配置 */
.hero-logo-area {
  position: relative;
  z-index: 10;
  flex: 1 1 auto;
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 0 48px;
  text-align: center;
}

/* ロゴアニメーション */
@keyframes logoReveal {
  0%   { opacity: 0; transform: scale(0.82) translateY(40px); }
  60%  { opacity: 1; transform: scale(1.04) translateY(-6px); }
  100% { opacity: 1; transform: scale(1.0) translateY(0); }
}

.hero-main-logo {
  width: clamp(360px, 55vw, 660px);
  height: auto;
  margin-bottom: 0;
  opacity: 0;
  animation: logoReveal 1.2s cubic-bezier(0.22, 1, 0.36, 1) 0.3s forwards;
  mix-blend-mode: screen;
}

.hero-sub-text {
  font-size: clamp(13px, 1.4vw, 16px);
  color: rgba(255,255,255,0.72);
  letter-spacing: 0.14em;
  margin-top: 24px;
  margin-bottom: 16px;
  opacity: 0;
  animation: fadeUp 0.7s 1.0s forwards;
}

.hero-buttons {
  display: flex;
  gap: 2px;
  opacity: 0;
  animation: fadeUp 0.7s 1.2s forwards;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-btn {
  padding: 12px 28px;
  border: 1px solid rgba(255,255,255,0.55);
  background: rgba(0,0,0,0.25);
  color: #fff;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-decoration: none;
  display: inline-block;
  transition: background 0.2s, border-color 0.2s;
  backdrop-filter: blur(4px);
}

.hero-btn:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.9);
}

/* ABOUTオーバーレイエリア：背景の上に重ねる */
.hero-about-overlay {
  position: relative;
  z-index: 10;
  background: transparent;
  padding: 56px 0 72px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.hero-about-inner {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
  align-items: center;
}

.hero-about-left {}

.hero-about-heading {
  margin-bottom: 12px;
}

.hero-about-heading .en {
  font-family: 'Oswald', sans-serif;
  font-size: 42px;
  font-weight: 400;
  color: #fff;
  letter-spacing: 0;
  display: block;
}

.hero-about-rule {
  width: 100%;
  height: 1px;
  background: rgba(255,255,255,0.2);
  margin-bottom: 28px;
}

.hero-about-right {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

/* ============================================================
   COMMON
   ============================================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.section-heading { margin-bottom: 0; }

.section-heading .en {
  font-family: 'Oswald', sans-serif;
  font-size: 42px;
  font-weight: 400;
  color: #fff;
  letter-spacing: 0;
  line-height: 1.1;
  display: block;
}

.section-heading .en.dark { color: var(--text-dark); }

.section-heading .jp {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.1em;
  display: block;
  margin-top: 3px;
}

.section-heading .jp.dark { color: var(--text-dark); }

.section-rule {
  width: 100%;
  height: 1px;
  background: rgba(255,255,255,0.18);
  margin: 14px 0 30px;
}

.section-rule.dark {
  background: rgba(0,0,0,0.15);
}

/* ============================================================
   ABOUT
   ============================================================ */
/* about-section は hero に統合済み。旧スタイル無効化 */
.about-section { display: none; }

.about-inner {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 48px;
  align-items: center;
}

.about-catch {
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 500;
  color: #fff;
  line-height: 1.6;
  margin-bottom: 14px;
}

.about-prize-line {
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 2px 6px;
  line-height: 1.3;
}

.about-prize-line .num {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(40px, 7vw, 64px);
  font-weight: 500;
  line-height: 1;
  /* ゴールドグラデーション */
  background: linear-gradient(
    160deg,
    #e8d48a 0%,
    #c9a84c 30%,
    #f0d97a 55%,
    #b8882a 80%,
    #e2c060 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px rgba(201,168,76,0.35));
}

.about-prize-line .unit {
  font-size: clamp(16px, 2.5vw, 20px);
  font-weight: 700;
  color: #fff;
}

.about-sub-badge {
  display: inline-block;
  border: 1px solid rgba(255,255,255,0.38);
  padding: 7px 20px;
  font-size: 16px;
  color: rgba(255,255,255,0.95);
}

.about-right {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.btn-red {
  display: inline-block;
  position: relative;
  background: transparent;
  color: #fff;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 18px 36px;
  text-decoration: none;
  text-align: center;
  border: 2px solid var(--red);
  cursor: pointer;
  overflow: hidden;
  white-space: nowrap;
  transition: color 0.4s ease;
  z-index: 0;
  max-width: 100%;
  box-sizing: border-box;
}

/* 赤背景が左から右へスライドするアニメーション */
.btn-red::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--red);
  transform: translateX(-101%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: -1;
}

/* 通常時は赤背景を表示（初期状態） */
.btn-red::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--red);
  z-index: -2;
}

.btn-red:hover {
  color: #fff;
}

.btn-red:hover::before {
  transform: translateX(0);
  background: #a00000;
}

/* エントリーボタン内のテキストを矢印付きに */
.btn-red .btn-inner {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.btn-red .btn-arrow {
  display: inline-block;
  width: 28px;
  height: 1px;
  background: currentColor;
  position: relative;
  transition: width 0.3s ease;
}

.btn-red .btn-arrow::after {
  content: '';
  position: absolute;
  right: 0;
  top: -4px;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid currentColor;
  border-top: 1.5px solid currentColor;
  transform: rotate(45deg);
}

.btn-red:hover .btn-arrow {
  width: 38px;
}

.about-deadline {
  font-size: 16px;
  color: rgba(255,255,255,0.5);
  text-align: center;
}

/* ============================================================
   ABOUT イメージ画像ストリップ
   ============================================================ */
.about-images-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 100%;
  gap: 0;
}

.about-img-item {
  overflow: hidden;
  aspect-ratio: 16/9;
}

.about-img-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
  transition: transform 0.6s ease;
}

.about-img-item:hover img {
  transform: scale(1.03);
}

@media (max-width: 600px) {
  .about-images-strip {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   EVENT OVERVIEW
   ============================================================ */
.overview-section {
  display: flex;
  min-height: 680px;
  background: #0a0a0a;
}

/* 左：写真パネル */
.overview-visual {
  position: relative;
  flex: 0 0 45%;
  overflow: hidden;
}

.overview-bg-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
  filter: brightness(1.05) contrast(1.08) saturate(1.1);
  transition: transform 0.8s ease;
}

.overview-visual:hover .overview-bg-photo {
  transform: scale(1.03);
}

.overview-visual-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    100deg,
    rgba(0,0,0,0) 55%,
    rgba(10,10,10,0.95) 100%
  );
}

/* 左パネル上の文字 */
.overview-visual-label {
  position: absolute;
  bottom: 40px;
  left: 36px;
  z-index: 2;
}

.overview-visual-year {
  display: block;
  font-family: 'Oswald', sans-serif;
  font-size: 13px;
  font-weight: 400;
  color: var(--gold);
  letter-spacing: 0.35em;
  margin-bottom: 8px;
}

.overview-visual-title {
  display: block;
  font-family: 'Oswald', sans-serif;
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 400;
  color: #fff;
  line-height: 1.15;
  letter-spacing: 0.05em;
  text-shadow: 0 2px 16px rgba(0,0,0,0.7);
}

/* 右：テキストパネル */
.overview-content {
  flex: 1 1 55%;
  background: #0a0a0a;
  display: flex;
  align-items: center;
  padding: 64px 0;
}

.overview-inner {
  width: 100%;
  max-width: 620px;
  padding: 0 56px;
}

.overview-text {
  font-size: 16px;
  color: rgba(255,255,255,0.82);
  line-height: 2;
  margin-bottom: 20px;
}

/* 登竜門ブロック */
.overview-gate-block {
  margin-top: 36px;
  padding: 28px 32px;
  border-left: 3px solid var(--gold);
  background: rgba(201,168,76,0.06);
}

.overview-gate-line {
  display: none;
}

.overview-gate-heading {
  font-family: 'Oswald', sans-serif;
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.08em;
  background: linear-gradient(135deg, #f5e8a0 0%, #c9a84c 50%, #e8c96a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 14px;
}

.overview-gate-text {
  font-size: 15px;
  color: rgba(255,255,255,0.72);
  line-height: 1.9;
}

.overview-subheading {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin: 24px 0 8px;
}

/* ============================================================
   PAST PLAYERS
   ============================================================ */
.past-section {
  background-image: url('images/eventoverview_pastplayers_bg.jpg');
  background-size: cover;
  background-position: center center;
  background-attachment: fixed;
  position: relative;
  padding: 52px 0 60px;
}

.past-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.72);
  pointer-events: none;
  z-index: 0;
}

.past-section .container {
  position: relative;
  z-index: 1;
}

/* 片岡さん写真グリッド（将来用・現在未使用） */

.past-player {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 44px;
  align-items: start;
  margin-bottom: 52px;
}

.past-player:last-child { margin-bottom: 0; }

.past-photo {
  width: 100%;
  background: #1c1c1c;
  border: 1px solid #2a2a2a;
  overflow: hidden;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 56px;
}

.past-name {
  font-size: clamp(18px, 2.5vw, 22px);
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.past-result-item {
  font-size: 16px;
  color: rgba(255,255,255,0.85);
  line-height: 1.9;
}

.past-result-item::before {
  content: '・';
  color: var(--gold);
}

.past-results { margin-bottom: 16px; }

.past-bio {
  font-size: 16px;
  color: rgba(255,255,255,0.55);
  line-height: 1.95;
}

/* ============================================================
   SCHEDULE
   ============================================================ */
.schedule-section {
  background: #0d0d0d;
  padding: 64px 0 72px;
  border-top: 1px solid #1a1a1a;
}

.schedule-row {
  display: flex;
  align-items: stretch;
  border: 1px solid #252525;
  margin-bottom: 3px;
  background: rgba(255,255,255,0.015);
  transition: background 0.2s;
  overflow: hidden;
}

.schedule-row:hover { background: rgba(255,255,255,0.045); }

.schedule-tag {
  flex-shrink: 0;
  width: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #fff;
  writing-mode: initial;
}

.schedule-tag.yosen { background: var(--green-tag); }
.schedule-tag.final { background: var(--red); }

.schedule-date {
  padding: 14px 20px;
  font-size: 16px;
  color: rgba(255,255,255,0.95);
  min-width: 210px;
  border-right: 1px solid #252525;
  display: flex;
  align-items: center;
}

.schedule-venue {
  padding: 14px 20px;
  font-size: 16px;
  color: rgba(255,255,255,0.95);
  flex: 1;
  display: flex;
  align-items: center;
}

.schedule-note {
  font-size: 16px;
  color: rgba(255,255,255,0.38);
  text-align: right;
  margin-top: 12px;
  line-height: 1.9;
}

/* ============================================================
   PRIZE
   ============================================================ */
.prize-section {
  background: #080808;
  padding: 64px 0 72px;
}

.prize-grid {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 44px;
  align-items: start;
}

.prize-block { margin-bottom: 40px; }
.prize-block:last-child { margin-bottom: 0; }

.prize-block-title {
  font-size: 16px;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  margin-bottom: 16px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* 上位3位：特大表示 */
.prize-row {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 14px 0;
  border-bottom: 1px solid #1e1e1e;
}

.prize-row.top1 { padding: 20px 0; }
.prize-row.top2 { padding: 16px 0; }
.prize-row.top3 { padding: 14px 0; }

.prize-row.stacked {
  flex-direction: column;
  align-items: flex-start;
  gap: 5px;
}

.prize-rank {
  font-family: 'Oswald', sans-serif;
  font-size: 16px;
  color: rgba(255,255,255,0.75);
  min-width: 40px;
  font-weight: 400;
  flex-shrink: 0;
}

.prize-rank-wide {
  font-size: 16px;
  color: rgba(255,255,255,0.85);
  min-width: 120px;
  font-weight: 400;
  flex-shrink: 0;
}

/* 通常賞金 */
.prize-amount {
  font-family: 'Oswald', sans-serif;
  font-size: 24px;
  font-weight: 400;
  color: #fff;
}

/* 1位：特大ゴールドグラデ */
.prize-row.top1 .prize-amount {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 500;
  background: linear-gradient(160deg, #f5e8a0 0%, #c9a84c 35%, #f0d97a 60%, #a07830 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 16px rgba(201,168,76,0.5));
  line-height: 1;
}

/* 2位：大きめゴールド */
.prize-row.top2 .prize-amount {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 500;
  background: linear-gradient(160deg, #e8d48a 0%, #b8922a 50%, #dfc060 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 10px rgba(201,168,76,0.3));
  line-height: 1;
}

/* 3位：中ゴールド */
.prize-row.top3 .prize-amount {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 500;
  background: linear-gradient(160deg, #d4c070 0%, #a07830 50%, #c9a84c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

/* 1位ランク表示 */
.prize-row.top1 .prize-rank {
  font-size: 20px;
  color: rgba(201,168,76,0.8);
  font-weight: 700;
}

.prize-amount.lg { font-size: 28px; }

.prize-note-item {
  padding: 10px 0;
  font-size: 16px;
  color: rgba(255,255,255,0.65);
  border-bottom: 1px solid #1e1e1e;
}

.prize-sub-text {
  font-size: 16px;
  color: rgba(255,255,255,0.95);
  line-height: 1.7;
}

.prize-photos { display: flex; flex-direction: column; gap: 12px; }

.prize-photo {
  width: 100%;
  aspect-ratio: 3/4;
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  overflow: hidden;
}

/* ============================================================
   ENTRY FEE
   ============================================================ */
.entryfee-section {}

.entryfee-header {
  background: #141414;
  padding: 64px 0 28px;
}

.entryfee-body {
  background: #cacaca;
  padding: 44px 0 48px;
}

.entryfee-cta {
  background: #000;
  padding: 48px 0 52px;
  text-align: center;
}

.fee-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  margin-bottom: 32px;
}

.fee-tag {
  display: inline-block;
  padding: 4px 20px;
  border-radius: 20px;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}

.fee-tag.yosen { background: var(--green-tag); }
.fee-tag.final { background: var(--red); }

.fee-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid #b8b8b8;
  font-size: 16px;
  color: var(--text-dark);
  gap: 12px;
}

.fee-row-label { color: #333; white-space: nowrap; }
.fee-row-value { color: #111; font-weight: 500; text-align: right; }

.fee-notes {
  font-size: 14px;
  color: #444;
  line-height: 2.0;
}

.entryfee-cta .btn-red,
.notes-cta .btn-red {
  display: inline-block;
  padding: 22px 72px;
  font-size: 20px;
  letter-spacing: 0.15em;
}

.deadline-note {
  font-size: 16px;
  color: rgba(255,255,255,0.45);
  margin-top: 12px;
}

/* ============================================================
   SPONSORSHIP
   ============================================================ */
.sponsor-section {
  background: #f0f0f0;
  padding: 80px 0 88px;
}

/* セクション見出し色を黒に */
.sponsor-section .section-heading .en,
.sponsor-section .section-heading .jp {
  color: #000;
}

.sponsor-section .section-rule {
  background: rgba(0,0,0,0.15);
}

/* ラベル（MAIN SPONSOR / SPONSORS） */
.sponsor-label {
  font-family: 'Oswald', sans-serif;
  font-size: 16px;
  font-weight: 500;
  color: rgba(0,0,0,0.4);
  text-transform: uppercase;
  margin-bottom: 16px;
}

/* ── メインスポンサー ── */
.sponsor-main-block {
  margin-bottom: 56px;
}

.sponsor-main-card {
  width: 100%;
  background: #fff;
  border: 1px solid rgba(0,0,0,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  padding: 48px 24px;
}

.sponsor-main-card img {
  max-width: 480px;
  max-height: 160px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.sponsor-main-placeholder {
  text-align: center;
}

.sponsor-main-name {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 900;
  color: #2a8a2a;
  letter-spacing: 0.04em;
  line-height: 1.1;
}

.sponsor-main-sub {
  font-family: 'Oswald', sans-serif;
  font-size: 14px;
  font-weight: 400;
  color: rgba(0,0,0,0.4);
  letter-spacing: 0.3em;
  margin-top: 10px;
  text-transform: uppercase;
}

/* ── サブスポンサー ── */
/* ── セカンドスポンサー（Evolvin） ── */
.sponsor-second-block {
  margin-bottom: 48px;
}

.sponsor-second-card {
  width: 100%;
  background: #fff;
  border: 1px solid rgba(0,0,0,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  padding: 28px 24px;
}

.sponsor-second-card a {
  display: flex;
  align-items: center;
  justify-content: center;
}

.sponsor-second-card img {
  max-width: 480px;
  max-height: 100px;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: opacity 0.2s;
}

.sponsor-second-card a:hover img { opacity: 0.8; }

/* ── サブスポンサー ── */
.sponsor-sub-block {}

.sponsor-sub-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}

.sponsor-sub-item {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.08);
  min-height: 88px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 12px 10px;
  text-align: center;
  transition: box-shadow 0.2s;
}

.sponsor-sub-item a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.sponsor-sub-item img {
  max-width: 100%;
  max-height: 60px;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: opacity 0.2s;
}

.sponsor-sub-item:hover {
  box-shadow: 0 2px 12px rgba(0,0,0,0.1);
  z-index: 1;
  position: relative;
}

.sponsor-sub-item a:hover img { opacity: 0.75; }

/* 空き枠 */
.sponsor-sub-empty {
  background: #f8f8f8;
  border: 1px dashed rgba(0,0,0,0.15) !important;
}

/* Evolvin：2列分の幅 */
.sponsor-sub-evolvin {
  grid-column: span 2;
}

.sponsor-sub-evolvin img {
  max-height: 80px !important;
}

.sponsor-empty-label {
  font-family: 'Oswald', sans-serif;
  font-size: 11px;
  font-weight: 400;
  color: rgba(0,0,0,0.2);
  letter-spacing: 0.2em;
}

.sponsor-sub-meta {
  font-size: 10px;
  color: rgba(0,0,0,0.45);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
  text-transform: uppercase;
}

.sponsor-sub-name {
  font-size: 16px;
  font-weight: 700;
  color: #000;
  line-height: 1.3;
}

/* ============================================================
   IMPORTANT NOTES
   ============================================================ */
.notes-section {
  background: #0a0a0a;
  padding: 64px 0 0;
  border-top: 1px solid #1a1a1a;
}

.note-block { margin-bottom: 26px; }

.note-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.note-text {
  font-size: 16px;
  color: rgba(255,255,255,0.62);
  line-height: 1.95;
}

.note-list {
  font-size: 16px;
  color: rgba(255,255,255,0.62);
  line-height: 2.1;
}

.notes-cta {
  text-align: center;
  padding: 40px 0 52px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: #080808;
  border-top: 1px solid #181818;
  padding: 36px 0 28px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.footer-office {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.footer-contact {
  font-size: 16px;
  color: rgba(255,255,255,0.5);
  line-height: 1.9;
}

.footer-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}

.footer-logo-haraken {
  font-size: 16px;
  font-style: italic;
  font-weight: 700;
  color: #fff;
}

.footer-logo-docus {
  font-family: 'Oswald', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.08em;
  line-height: 1;
}

.footer-copy {
  font-size: 13px;
  color: rgba(255,255,255,0.28);
  margin-top: 2px;
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }

/* ============================================================
   KEYFRAMES
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   TOURNAMENT OVERVIEW ACCORDION
   ============================================================ */
.overview-detail-section {
  background: #0a0a0a;
  padding: 64px 0 72px;
  border-top: 1px solid #1a1a1a;
}

/* Accordion wrapper */
.accordion {
  border-bottom: 1px solid #252525;
}

.accordion:first-of-type {
  border-top: 1px solid #252525;
}

/* Header button */
.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 4px;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background 0.2s;
  gap: 16px;
}

.accordion-header:hover {
  background: rgba(255,255,255,0.03);
}

.accordion-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.08em;
}

/* Plus/Minus icon */
.accordion-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  position: relative;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 2px;
}

.accordion-icon::before,
.accordion-icon::after {
  content: '';
  position: absolute;
  background: #fff;
  border-radius: 1px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* horizontal bar */
.accordion-icon::before {
  width: 10px; height: 1.5px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}

/* vertical bar */
.accordion-icon::after {
  width: 1.5px; height: 10px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}

/* When open: rotate vertical bar to make × or just hide it */
.accordion-header[aria-expanded="true"] .accordion-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

/* Body */
.accordion-body {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s ease;
}

.accordion-body.open {
  max-height: 2000px;
}

.accordion-body-inner {
  padding: 0 4px 28px;
}

/* Schedule list inside accordion */
.acc-schedule-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-bottom: 16px;
}

.acc-schedule-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.02);
  border: 1px solid #222;
}

.acc-tag {
  flex-shrink: 0;
  padding: 3px 10px;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  border-radius: 2px;
}

.acc-tag.yosen { background: var(--green-tag); }
.acc-tag.final { background: var(--red); }

.acc-schedule-info {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  align-items: baseline;
}

.acc-schedule-label {
  font-size: 16px;
  color: rgba(255,255,255,0.85);
  font-weight: 500;
}

.acc-schedule-date {
  font-size: 16px;
  color: rgba(255,255,255,0.6);
}

.acc-schedule-venue {
  font-size: 16px;
  color: var(--gold);
}

/* Venue grid */
.acc-venue-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 4px;
}

.acc-venue-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid #252525;
  padding: 16px;
  transition: border-color 0.2s;
}

.acc-venue-card:hover { border-color: #3a3a3a; }

.acc-venue-final {
  border-color: rgba(192,0,0,0.3);
}

.acc-venue-num {
  font-size: 16px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.acc-venue-name {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.4;
}

.acc-venue-detail {
  font-size: 16px;
  color: rgba(255,255,255,0.45);
  line-height: 1.8;
  margin-bottom: 8px;
}

.acc-venue-date {
  font-size: 16px;
  color: rgba(255,255,255,0.55);
}

/* Prize tables */
.acc-prize-tables {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 16px;
}

.acc-prize-block {}

.acc-prize-block-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid #222;
}

.acc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 16px;
}

.acc-table thead tr {
  background: rgba(255,255,255,0.05);
}

.acc-table th {
  padding: 8px 12px;
  text-align: left;
  color: rgba(255,255,255,0.5);
  font-weight: 500;
  border-bottom: 1px solid #222;
  font-size: 16px;
}

.acc-table td {
  padding: 7px 12px;
  color: rgba(255,255,255,0.78);
  border-bottom: 1px solid #1a1a1a;
}

.acc-table tr:hover td {
  background: rgba(255,255,255,0.025);
}

/* Info grid */
.acc-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.acc-info-block {}

.acc-info-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid #222;
}

.acc-info-text {
  font-size: 16px;
  color: rgba(255,255,255,0.65);
  line-height: 2;
}

/* Notes */
.acc-notes {
  font-size: 16px;
  color: rgba(255,255,255,0.35);
  line-height: 2;
  margin-top: 12px;
}

/* Accordion responsive */
@media (max-width: 768px) {
  .acc-venue-grid { grid-template-columns: 1fr 1fr; }
  .acc-prize-tables { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .acc-venue-grid { grid-template-columns: 1fr; }
  .acc-schedule-info { flex-direction: column; gap: 2px; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .about-inner { grid-template-columns: 1fr; }
  .about-right { align-items: flex-start; }
  .btn-red { width: auto; display: inline-block; }
  .past-player { grid-template-columns: 1fr; }
  .prize-grid { grid-template-columns: 1fr; }
  .prize-photos { display: none; }
  .fee-grid { grid-template-columns: 1fr; gap: 28px; }
  .sponsor-sub-grid { grid-template-columns: repeat(3, 1fr); }
  .past-photos-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { flex-direction: column; gap: 24px; }
  .footer-right { align-items: flex-start; }
  .hero-buttons { flex-direction: column; gap: 1px; }
  .schedule-date { min-width: unset; }
  /* Overview 縦積み */
  .overview-section { flex-direction: column; min-height: unset; }
  .overview-visual { flex: 0 0 auto; min-height: 300px; }
  .overview-content { padding: 48px 0; }
  .overview-inner { padding: 0 24px; max-width: 100%; }
  /* ABOUT エリア スマホ縦積み */
  .hero-about-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .hero-about-right {
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .section-heading .en { font-size: 28px; }
  .fee-row { flex-direction: column; align-items: flex-start; gap: 2px; }
  .sponsor-sub-grid { grid-template-columns: repeat(2, 1fr); }
  .past-player { grid-template-columns: 1fr; }
  .btn-red {
    font-size: 14px;
    padding: 14px 20px;
    letter-spacing: 0.06em;
    white-space: normal;
    line-height: 1.4;
  }
  .hero-about-right {
    width: 100%;
  }
  .hero-about-right .btn-red {
    display: block;
    width: 100%;
    text-align: center;
  }
}