:root {
  --bg1: #fffafd;
  --bg2: #fff3f8;
  --card: rgba(255, 255, 255, 0.93);
  --main: #e46aa3;
  --main-dark: #b84d7f;
  --accent: #ffe08a;
  --accent-soft: #fff7d6;
  --sub-accent: #f7d9ff;
  --text: #4a3340;
  --muted: #8a6a79;
  --border: rgba(228, 106, 163, 0.18);
  --shadow: 0 14px 34px rgba(214, 120, 170, 0.14);
  --shadow-soft: 0 8px 20px rgba(214, 120, 170, 0.1);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --max-width: 980px;
}

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

html {
  font-size: 62.5%;
}

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  font-size: 1.6rem;
  line-height: 1.8;
  color: var(--text);

  background:
    radial-gradient(circle at top left, #ffe7f2 0%, transparent 26%),
    radial-gradient(circle at top right, #fff2bf 0%, transparent 22%),
    radial-gradient(circle at 80% 20%, #f8e3ff 0%, transparent 20%),
    linear-gradient(180deg, var(--bg1) 0%, var(--bg2) 100%);
}

/* ✨ 背景のふわっと光 */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.22) 0, transparent 18%),
    radial-gradient(circle at 78% 24%, rgba(255, 224, 138, 0.18) 0, transparent 20%),
    radial-gradient(circle at 70% 78%, rgba(247, 217, 255, 0.18) 0, transparent 18%);
  animation: driftGlow 18s ease-in-out infinite alternate;
}

.container {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ヒーロー */
.event-hero {
  padding: 24px 0 10px;
  animation: fadeIn 0.8s ease both;
}

.hero-frame {
  border-radius: 38px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #fff;
}

.image1 {
  width: 100%;
  height: 0;
  padding-top: calc((420 / 1200) * 100%);
  background-image: url("image01.png");
  background-size: cover;
  background-position: center;
}

.image2 {
  width: 100%;
  height: 0;
  padding-top: calc((420 / 1200) * 100%);
  background-image: url("image02.png");
  background-size: cover;
  background-position: center;
}

.image3 {
  width: 100%;
  height: 0;
  padding-top: calc((420 / 1200) * 100%);
  background-image: url("image03.png");
  background-size: cover;
  background-position: center;
}

.image4 {
  width: 100%;
  height: 0;
  padding-top: calc((420 / 1200) * 100%);
  background-image: url("image04.png");
  background-size: cover;
  background-position: center;
}

/* メイン */
.event-main {
  padding: 18px 0 40px;
}

/* カード */
.event-card {
  background: var(--card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  padding: 28px;
  margin-bottom: 20px;

  opacity: 0;
  transform: translateY(14px);
  animation: fadeUp 0.7s ease forwards;
}

.event-card:nth-of-type(1) { animation-delay: 0.08s; }
.event-card:nth-of-type(2) { animation-delay: 0.16s; }
.event-card:nth-of-type(3) { animation-delay: 0.24s; }
.event-card:nth-of-type(4) { animation-delay: 0.32s; }
.event-card:nth-of-type(5) { animation-delay: 0.4s; }

/* 見出し */
.section-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}

.section-label {
  padding: 8px 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, #fff0f7, #fff9df);
  color: var(--main-dark);
  font-size: 1.3rem;
  font-weight: 800;
  border: 1px solid rgba(228, 106, 163, 0.16);
}

h2 {
  font-size: 2.8rem;
  color: var(--main-dark);
}

/* テキスト */
.lead-text {
  font-size: 1.7rem;
  font-weight: 600;
}

/* 強調 */
.highlight-box {
  margin-top: 18px;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #fff4fa, #fff9df);
  position: relative;
  overflow: hidden;
}

.highlight-box::before {
  content: "";
  position: absolute;
  left: -120%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
  transform: skewX(-20deg);
  animation: shine 5s infinite;
}

.highlight-box p {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--main-dark);
}

/* スケジュール */
.schedule-list {
  display: grid;
  gap: 12px;
}

.schedule-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 14px;
  border-radius: var(--radius-md);
  background: #fff;
  border: 1px solid var(--border);
  align-items: start;
}

.schedule-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: start;
  align-self: start;

  min-width: 64px;
  padding: 6px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, #fff0f7, #fff9df);
  font-weight: 800;
  line-height: 1.2;
  white-space: nowrap;
}

.event-highlight {
  border: 2px solid #e60023;
  background: #fff5f7;
}

/* 注意 */
.notice-list {
  padding-left: 1.6em;
}

.notice-list li {
  margin-bottom: 8px;
}

/* アニメーション */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes shine {
  0% { left: -120%; }
  60% { left: 140%; }
  100% { left: 140%; }
}

@keyframes driftGlow {
  0% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.03); opacity: 0.95; }
  100% { transform: scale(1.01); opacity: 0.75; }
}

.exp-note {
  font-size: 0.85em;
  color: #666;
  margin-bottom: 10px;
}

.exp-sum {
  display: inline-block;
  margin-top: 4px;
  font-weight: bold;
}

.exp-sum.highlight {
  color: #e60023;
  font-size: 1.1em;
}