:root {
  --font-family-pop: 'M PLUS Rounded 1c', sans-serif;
  --color-blue: #00a0e9;
  --color-lightblue: #a0d8ef;
  --color-yellow: #ffd400;
  --color-pink: #f75a96;
  --color-white: #ffffff;
  --color-dark: #3f3f3f;
  --text-shadow: 2px 2px 3px rgba(0, 0, 0, 0.2);
}

body,
h1,
h2,
h3,
h4,
p,
ul,
ol,
li,
button,
input,
textarea {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: var(--font-family-pop);
}

body {
  color: var(--color-dark);
  line-height: 1.8;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s;
}

a:hover {
  color: var(--color-pink);
}

.container {
  width: 90%;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 15px;
}

/* --- HEADER --- */
header {
  background-color: var(--color-white);
  padding: 10px 0;
  border-bottom: 3px solid var(--color-yellow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.logo {
  font-size: 1.8em;
  font-weight: 800;
  color: var(--color-blue);
  text-shadow: 2px 2px 0 var(--color-pink);
}

header nav ul {
  list-style: none;
  display: flex;
  gap: 10px;
}

header nav ul li a {
  display: block;
  padding: 5px 15px;
  font-weight: 700;
  color: var(--color-dark);
  border-radius: 5px;
  transition: background 0.2s, color 0.2s;
}

header nav ul li a:hover {
  color: var(--color-pink);
  background: var(--color-lightblue);
}

/* ハンバーガーメニュー（SP用） */
.hamburger-menu {
  display: none;
}

@media (max-width: 768px) {
  .hamburger-menu {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1010;
  }

  .hamburger-menu span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-dark);
    margin: 5px 0;
    transition: all 0.3s;
  }

  .hamburger-menu.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .hamburger-menu.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger-menu.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  header nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
  }

  header nav.active {
    display: block;
  }

  header nav ul {
    flex-direction: column;
    width: 100%;
  }

  header nav ul li {
    text-align: center;
    border-bottom: 1px solid #f0f0f0;
  }

  header nav ul li a {
    padding: 15px;
  }
}

/* セクション共通 */
.section {
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.section h2 {
  display: inline-block;
  background-color: var(--color-white);
  color: var(--color-dark);
  padding: 15px 40px;
  font-size: 2em;
  font-weight: 800;
  border-radius: 50px;
  text-align: center;
  margin-bottom: 40px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  position: relative;
  left: 50%;
  transform: translateX(-50%);
}

.section-lead {
  text-align: center;
  font-size: 1.2em !important;
  margin-bottom: 30px;
}

.theme-blue {
  background-color: var(--color-blue);
  background-image:
    linear-gradient(45deg, rgba(255, 255, 255, 0.1) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.1) 50%, rgba(255, 255, 255, 0.1) 75%, transparent 75%, transparent);
  background-size: 40px 40px;
  color: var(--color-white);
}

.theme-lightblue {
  background-color: var(--color-lightblue);
}

.theme-yellow {
  background-color: var(--color-yellow);
}

.theme-yellow h2 {
  color: var(--color-pink);
}

.theme-pink {
  background-color: var(--color-pink);
  color: var(--color-white);
}

.theme-pink h2 {
  color: var(--color-pink);
}

/* ヒーローエリア */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 0;
  text-align: center;
  position: relative;
  background: url("img/slider01.webp") center center/cover no-repeat;
  color: var(--color-white);
}

#hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1;
  pointer-events: none;
}

#hero>* {
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 3em;
  font-weight: 800;
  line-height: 1.3;
  text-shadow: var(--text-shadow);
  margin-bottom: 20px;
}

.hero-title span {
  font-size: 0.6em;
  display: block;
}

#hero p {
  text-shadow: var(--text-shadow);
  margin-bottom: 30px;
  font-size: 1.2em;
}

.scroll-indicator {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0px;
  margin-left: auto;
  margin-right: auto;
  width: fit-content;
  font-size: 2.2em;
  color: var(--color-white);
  opacity: 0.8;
  animation: bounce 1.5s infinite;
  z-index: 10;
  pointer-events: none;
}

@keyframes bounce {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(12px);
  }
}

/* ボタン */
.btn {
  display: inline-block;
  padding: 15px 40px;
  font-size: 1.1em;
  font-weight: 700;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
  transition: all 0.3s;
  margin: 0 8px;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.3);
}

#hero .btn-primary {
  background-color: var(--color-yellow);
  color: var(--color-dark);
}

#hero .btn-secondary {
  background-color: var(--color-white);
  color: var(--color-blue);
}

/* 会員証 */
.membership-card-area {
  background: var(--color-white);
  border-radius: 20px;
  padding: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.membership-card-img {
  margin: 0 auto;
  display: block;
  border-radius: 10px;
  width: 100%;
  max-width: 300px;
}

.membership-card-area .card-content {
  flex-grow: 1;
  text-align: center;
}

.membership-card-area .card-content h3 {
  font-size: 1.5em;
  margin-bottom: 15px;
}

.membership-card-area .btn {
  background-color: var(--color-pink);
  color: var(--color-white);
  margin-top: 15px;
  padding: 10px 30px;
}

#membership ul {
  margin-left: 20px;
}

#membership li {
  list-style: '★ ';
}

/* 店舗一覧 */
.store-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  /* デフォルト2列 */
  gap: 30px;
}

@media (max-width: 768px) {
  .store-list {
    grid-template-columns: 1fr;
    /* スマホは1列 */
  }
}

.store-card {
  background: var(--color-white);
  color: var(--color-dark);
  border-radius: 20px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s;
}

.store-card:hover {
  transform: translateY(-5px);
}

.store-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.store-card .card-content {
  padding: 20px;
  flex-grow: 1;
}

.store-card h3 {
  font-size: 1.4em;
  color: var(--color-pink);
}

.store-perk {
  font-weight: 700;
  color: var(--color-blue);
}

.store-images {
  display: flex;
  gap: 8px;
  margin: 16px 0;
  justify-content: center;
}

.store-images img {
  width: 90px;
  height: 60px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  background: #eee;
}

/* FAQ */
.faq-item {
  background: var(--color-white);
  border-radius: 15px;
  padding: 20px;
  margin-bottom: 15px;
  box-shadow: 0 1px 6px #eee;
}

.faq-item h4 {
  color: var(--color-pink);
}

/* 主催者情報 */
.organizer-info {
  background: var(--color-white);
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.organizer-info h3 {
  font-size: 1.8em;
  color: var(--color-pink);
  margin-bottom: 25px;
}

.organizer-details {
  margin-bottom: 30px;
}

.organizer-details p {
  margin: 10px 0;
  font-size: 1.1em;
}

.organizer-message {
  border-top: 2px solid var(--color-lightblue);
  padding-top: 25px;
}

.organizer-message h4 {
  color: var(--color-blue);
  font-size: 1.3em;
  margin-bottom: 15px;
}

.organizer-message p {
  text-align: left;
  line-height: 1.8;
}


/* お問い合わせ */
.contact-form {
  background: var(--color-white);
  border-radius: 20px;
  padding: 30px;
  max-width: 600px;
  margin: 0 auto;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 15px;
  margin-bottom: 15px;
  border: 2px solid #ddd;
  border-radius: 10px;
  font-size: 1em;
  font-family: var(--font-family-pop);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-pink);
}

.contact-form .btn {
  width: 100%;
  background-color: var(--color-pink);
  color: var(--color-white);
}

@media (max-width: 600px) {
  #contact iframe {
    height: 900px;
    /* スマホで縦長にする場合はここで調整 */
    min-width: 0;
    max-width: 100%;
  }
}


/* --- FOOTER --- */
footer {
  background: var(--color-dark);
  color: var(--color-white);
  text-align: center;
  padding: 40px 0;
}

footer .logo {
  color: var(--color-white);
  text-shadow: 2px 2px 0 var(--color-blue);
}

.footer-nav {
  margin: 15px 0;
}

.footer-nav a {
  margin: 0 10px;
  opacity: 0.8;
  transition: opacity 0.3s;
}

.footer-nav a:hover {
  opacity: 1;
}

/* --- レスポンシブ調整 --- */
@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }

  .section h2 {
    font-size: 1.6em;
    padding: 10px 25px;
  }

  .hero-title {
    font-size: 2.2em;
  }

  .membership-card-area {
    text-align: center;
    flex-direction: column;
    gap: 10px;
  }

  .membership-card-img {
    max-width: 90vw;
  }

  .store-list {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .store-card img {
    height: 130px;
  }

  .store-images img {
    width: 30vw;
    max-width: 120px;
    height: 40px;
  }
}