:root {
  --bg1: #fffafd;
  --bg2: #fff3f8;
  --card: rgba(255, 255, 255, 0.93);
  --main: #e46aa3;
  --main-dark: #b84d7f;
  --accent: #ffe08a;
  --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 {
  box-sizing: border-box;
  min-height: 100%;
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100%;
  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%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(circle at 12% 18%, rgba(255, 255, 255, 0.55) 0 2px, transparent 3px),
    radial-gradient(circle at 82% 12%, rgba(255, 255, 255, 0.5) 0 2px, transparent 3px),
    radial-gradient(circle at 25% 72%, rgba(255, 255, 255, 0.42) 0 2px, transparent 3px),
    radial-gradient(circle at 72% 78%, rgba(255, 255, 255, 0.38) 0 2px, transparent 3px);
  opacity: 0.8;
}

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, 0.16) 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;
}

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

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

.event-hero {
  padding: 24px 0 10px;
  animation: fadeIn 0.8s ease both;
}

.hero-frame {
  position: relative;
  overflow: hidden;
  border-radius: 38px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.66);
  background: #fff;
  animation: softFloatIn 0.9s ease both;
}

.image1 {
  width: 100%;
  height: 0;
  background-image: url("image01.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding-top: calc((420 / 1200) * 100%);
}

.image2 {
  width: 100%;
  height: 0;
  background-image: url("image02.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding-top: calc((420 / 1200) * 100%);
}

.image3 {
  width: 100%;
  height: 0;
  background-image: url("image03.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding-top: calc((420 / 1200) * 100%);
}

.image4 {
  width: 100%;
  height: 0;
  background-image: url("image04.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding-top: calc((420 / 1200) * 100%);
}

.event-main {
  padding: 18px 0 40px;
}

.event-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(2px);
  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;
}

.intro-card,
.contact-card {
  position: relative;
}

.intro-card::after {
  content: "✿";
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 1.8rem;
  color: #f3b1cd;
}

.contact-card::after {
  content: "♡";
  position: absolute;
  right: 18px;
  bottom: 16px;
  font-size: 1.8rem;
  color: #f0b6cf;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, #fff0f7, #fdf4ff);
  color: var(--main-dark);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  border: 1px solid rgba(228, 106, 163, 0.16);
  box-shadow: 0 6px 14px rgba(228, 106, 163, 0.06);
}

h1,
h2,
h3,
p,
ul {
  margin-top: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(2.4rem, 3vw, 3.4rem);
  line-height: 1.3;
  color: var(--main-dark);
}

.lead-text {
  margin: 10px 0 0;
  font-size: 1.7rem;
  font-weight: 600;
}

.highlight-box {
  position: relative;
  overflow: hidden;
  margin-top: 18px;
  padding: 18px 20px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #fff4fa, #fff9df);
  border: 1px solid rgba(228, 106, 163, 0.14);
  box-shadow: var(--shadow-soft);
}

.highlight-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: -120%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.42),
    transparent
  );
  transform: skewX(-20deg);
  animation: shine 4.8s ease-in-out infinite;
}

.highlight-box p {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.7;
  color: var(--main-dark);
}

.sub-note {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(228, 106, 163, 0.12);
  font-size: 1.5rem;
}

.schedule-list {
  display: grid;
  gap: 12px;
}

.schedule-item {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #ffffff 0%, #fff9fd 100%);
  border: 1px solid rgba(228, 106, 163, 0.12);
}

.schedule-no {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 6px 0;
  border-radius: 999px;
  background: linear-gradient(135deg, #fff0f7, #fff9df);
  color: var(--main-dark);
  font-weight: 800;
  min-height: 36px;
}

.schedule-item strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1.8rem;
  color: var(--text);
}

.notice-list {
  margin: 12px 0 0;
  padding-left: 1.6em;
  line-height: 1.9;
}

.notice-list li {
  list-style: disc;
}

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

.notice-list li::marker {
  color: var(--main);
}

.contact-card p {
  margin-bottom: 0;
}

.team {
  margin-top: 12px;
  text-align: right;
  font-weight: 700;
  color: var(--muted);
}

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

@keyframes softFloatIn {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.995);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes shine {
  0% {
    left: -120%;
  }
  55% {
    left: 140%;
  }
  100% {
    left: 140%;
  }
}

@keyframes driftGlow {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 0.7;
  }
  50% {
    transform: translate3d(0.8%, -1%, 0) scale(1.03);
    opacity: 0.95;
  }
  100% {
    transform: translate3d(-0.8%, 1%, 0) scale(1.01);
    opacity: 0.75;
  }
}

@media (max-width: 820px) {
  .event-card {
    padding: 22px 18px;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(calc(100% - 20px), var(--max-width));
  }

  .event-hero {
    padding-top: 10px;
  }

  .hero-frame,
  .event-card {
    border-radius: 24px;
  }

  .section-label {
    font-size: 1.1rem;
    padding: 7px 12px;
  }

  h2 {
    font-size: clamp(2rem, 7vw, 2.8rem);
  }

  .lead-text {
    font-size: 1.6rem;
  }

  .highlight-box {
    padding: 16px;
  }

  .highlight-box p {
    font-size: 1.7rem;
  }

  .schedule-item {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

  .event-card {
    opacity: 1;
    transform: none;
  }
}