@CHARSET "UTF-8";
:root {
  --green: #4E7355;
  --text: #222;
  --gray: #666;
  --bg: #ffffff;
  --max-width: 1200px;
}
* {
  box-sizing: border-box;
}
html, body {
  margin: 0;
  padding: 0;
}
body {
  font-family:
        "Noto Sans SC",
        "PingFang SC",
        "Microsoft YaHei",
        sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.8;
}
img {
  display: block;
  width: 100%;
}
a {
  text-decoration: none;
  color: inherit;
}
.text-c {
text-align: center;}
.container {
  max-width: 1200px;
  margin: auto;
  padding: 0 30px;
}
.hamburger {
  display: none;
}
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: #fff;
  z-index: 999;
  box-shadow: 0 0 15px rgba(0, 0, 0, .05);
  transition: .4s;
}
.header.small {
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(15px);
  box-shadow: 0 0 30px rgba(0, 0, 0, .08);
}
.header.small .container {
  height: 72px;
  transition: .4s;
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 90px;
}
.logo {
  display: flex;
  align-items: center;
}
.logo img {
  display: block;
  height: 80px; /* お好みで調整 */
  width: auto;
}
.nav ul {
  display: flex;
  gap: 40px;
  list-style: none;
}
.nav a {
  font-size: 14px;
  letter-spacing: .03em;
  transition: .3s;
}
.nav a:hover {
  color: #2F8F46;
}
.ticket-btn {
  background: #2F8F46;
  color: #fff;
  border-radius: 100px;
  transition: .3s;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 12px 22px;
  text-decoration: none;
}
.ticket-btn .en {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .03em;
}
.ticket-btn .jp {
  font-size: 10px;
  margin-top: 0px;
}
.ticket-btn:hover {
  opacity: .8;
}
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  min-height: 100vh;
  padding: 140px 8% 80px;
  gap: 60px;
}
.hero h1 {
  font-size: 72px;
  line-height: 1.1;
  margin: 20px 0;
}
.hero-sub {
  letter-spacing: .03em;
  font-size: 14px;
  text-transform: uppercase;
  color: #2F8F46;
}
.hero-date {
  margin-top: 30px;
  font-size: 18px;
}
.hero-image img {
  border-radius: 20px;
}
footer {
  padding: 60px;
  text-align: center;
  margin-top: 120px;
}
.section {
  padding: 140px 8%;
  position: relative;
}
.section-subtitle {
  color: #2F8F46;
  letter-spacing: .03em;
  font-size: 14px;
  margin-bottom: 15px;
}
.section-title {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 0px;
  line-height: 1.3;
}
.section-text {
  font-size: 17px;
  line-height: 2;
  color: #555;
}
#about {
  min-height: 900px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.about-bg {
  position: absolute;
  inset: 0;
}
.about-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
}
.about-card {
  position: relative;
  background: rgba(255, 255, 255, .8);
  padding: 80px;
  max-width: 700px;
  border-radius: 24px;
  box-shadow: 0 0 20px rgba(0, 0, 0, .12);
  backdrop-filter: blur(8px);
}

.notice-box {
    margin-top: 24px;
}

.notice-box summary {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    list-style: none;
    font-size: 14px;
    font-weight: 700;
    padding: 10px 0;
    border-bottom: 1px solid #222;
    color: #222;
}

.notice-box summary::-webkit-details-marker {
    display: none;
}

.notice-box summary::after {
    content: "＋";
    margin-left: 10px;
    transition: .3s;
}

.notice-box[open] summary::after {
    content: "－";
}

.notice-content {
    margin-top: 15px;
    font-size: 14px;
    line-height: 1.9;
}

.notice-content p {
    margin: 0 0 10px;
}



.hero-image {
  position: relative;
  border-radius: 20px;
}
.hero-image img {
  transition: 1s;
}
.hero-image:hover img {
  transform: scale(1.05);
}
.hero-banner {
  position: absolute;
  left: 50%;
  bottom: 40px;
  transform: translateX(-50%);
  width: 85%;
  max-width: 900px;
}
.fade {
  opacity: 0;
  transform: translateY(70px);
  transition: 1s;
}
.fade.show {
  opacity: 1;
  transform: none;
}

.update-bar {
  background: #f5f5f5;
  border-top: 1px solid #ddd;
  border-bottom: 1px solid #ddd;
  padding: 14px 0;
}
.update-bar .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 30px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.update-label {
  background: #111;
  color: #fff;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.update-date {
  font-size: 14px;
  font-weight: 600;
  color: #666;
  white-space: nowrap;
}
.update-text {
  font-size: 15px;
  color: #333;
}
/* ==========================
MAP
========================== */
.festival-map {
  margin: 70px auto 80px;
  max-width: 1100px;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 25px 70px rgba(0, 0, 0, .1);
}
.festival-map img {
  display: block;
  width: 100%;
  height: auto;
}
.section-heading {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 80px;
}
.map-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.map-card {
  background: #fff;
  padding: 50px;
  border-radius: 24px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, .09);
  transition: .4s;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.map-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 6px;
  height: 100%;
  transform: scaleY(0);
  transform-origin: top;
  transition: .4s;
}
.map-card:hover {
  transform: translateY(-12px);
}
.map-card:hover::before {
  transform: scaleY(1);
}
.map-number {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 36px;
  height: 36px;
  font-size: 22px;
  font-weight: 500;
  color: #fff;
  margin-bottom: 20px;
}
.color-a {
  background: #eb6c9f;
}
.color-b {
  background: #006bb9;
}
.map-card h3 {
  font-size: 26px;
  margin-bottom: 15px;
  line-height: 1.3;
}
.map-card p {
  color: #666;
  line-height: 1.9;
}
/*==========================
NA Gallery Information
==========================*/
.iaplc{
    position: relative;
    background: linear-gradient(rgba(255,255,255,0.5), rgba(255,255,255,0.5)),
url("../images/iaplc2026_cover.webp") center center / cover no-repeat;
    padding: 120px 0;
}
.info-grid {
  display: grid;
  gap: 30px;
  max-width: 900px;
  margin: 70px auto 0;
}
.gallery-subtitle {
  margin-top: 4px; /* タイトルとの間隔 */
  margin-bottom: 24px; /* 説明文との間隔 */
  font-size: 14px;
  color: #8a8a8a;
letter-spacing: .03em;
}
.info-card {
  background: rgba(255, 255, 255, .9);
  padding: 40px;
  border-radius: 24px;
  box-shadow: 0 0 20px rgba(0, 0, 0, .06);
}
.info-card h3 {
  margin-bottom: 20px;
}
.info-title {
  font-size: 20px;
}
.info-card p {
  line-height: 2;
  color: #666;
}
.info-btn {
  display: inline-block;
  margin-top: 30px;
  padding: 14px 32px;
  background: #2F8F46;
  color: #fff;
  border-radius: 100px;
  transition: .3s;
  font-weight: 700;
}
.info-btn:hover {
  opacity: .85;
}
/*==========================
Stage
==========================*/
.stage-wrapper {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 50px;
  align-items: start;
}
.schedule {
  display: flex;
  flex-direction: column;
  gap: 25px;
}
.schedule-item {
  display: flex;
  gap: 40px;
  padding: 30px;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 0 20px rgba(0, 0, 0, .08);
}
.schedule-day {
  display: flex;
  flex-direction: column;
  gap: 25px;
}
.day-title {
  font-size: 36px;
  margin-bottom: 10px;
}
.day-title span {
  display: block;
  margin-top: 8px;
  font-size: 16px;
  font-weight: 400;
  color: #888;
  letter-spacing: .1em;
}
.time {
  font-size: 32px;
  font-weight: 700;
  color: #2F8F46;
  min-width: 100px;
}
.schedule-item h3 {
  font-size: 24px;
  margin-bottom: 8px;
}
.schedule-item p {
  color: #666;
}
/* Speaker */
.speaker-card {
  overflow: hidden;
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 0 20px rgba(0, 0, 0, .08);
  transition: .4s;
}
.speaker-card:hover {
  transform: translateY(-10px);
}
.speaker-card img {
  height: 360px;
  object-fit: cover;
}
.speaker-content {
  padding: 35px;
}
.speaker-label {
  letter-spacing: .2em;
  font-size: 12px;
  color: #2F8F46;
  margin-bottom: 12px;
}
.speaker-content h3 {
  font-size: 34px;
  margin-bottom: 20px;
}
.speaker-content p {
  color: #666;
  line-height: 1.9;
}
.stage-btn {
  display: inline-block;
  margin-top: 30px;
  padding: 14px 32px;
  border-radius: 100px;
  background: #2F8F46;
  color: #fff;
  transition: .3s;
}
.stage-btn:hover {
  opacity: .8;
}
/*==========================
ACCESS
==========================*/
.access-wrapper {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 60px;
  align-items: stretch;
  margin-top: 60px;
}
.access-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.access-card {
  background: #fff;
  padding: 30px;
  border-radius: 20px;
  box-shadow: 0 0 20px rgba(0, 0, 0, .06);
}
.access-card h3 {
  font-size: 22px;
  margin-bottom: 10px;
  color: #2F8F46;
}
.access-card p {
  color: #666;
  line-height: 1.9;
}
.access-btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  height: 60px;
  background: #2F8F46;
  color: #fff;
  border-radius: 100px;
  font-weight: 600;
  letter-spacing: .08em;
  margin-top: 10px;
  transition: .3s;
}
.access-btn:hover {
  opacity: .85;
}
.map-frame {
  box-shadow: 0 0px 25px rgba(0, 0, 0, .09);
}
.map-placeholder {
  height: 100%;
  min-height: 600px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #eef4ef;
  font-size: 32px;
  font-weight: 700;
}
/*==========================
NEWS
==========================*/
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 35px;
  margin-top: 70px;
}
.news-card {
  background: #fff;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 0 30px rgba(0, 0, 0, .08);
  transition: .4s;
  cursor: pointer;
}
.news-card:hover {
  transform: translateY(-10px);
}
.news-image {
  position: relative;
  overflow: hidden;
}
.news-image img {
  height: 260px;
  width: 100%;
  object-fit: cover;
  transition: .8s;
}
.news-card:hover img {
  transform: scale(1.08);
}
.news-image span {
  position: absolute;
  left: 20px;
  top: 20px;
  background: #2F8F46;
  color: #fff;
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 12px;
  letter-spacing: .1em;
}
.news-content {
  padding: 30px;
}
.news-content time {
  display: block;
  margin-bottom: 15px;
  color: #888;
  font-size: 14px;
}
.news-content h3 {
  font-size: 22px;
  line-height: 1.6;
  transition: .3s;
}
.news-card:hover h3 {
  color: #2F8F46;
}
.news-button {
  text-align: center;
  margin-top: 70px;
}
.news-button a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 42px;
  border: 2px solid #2F8F46;
  border-radius: 100px;
  color: #2F8F46;
  font-weight: 600;
  transition: .35s;
}
.news-button a:hover {
  background: #2F8F46;
  color: #fff;
}
/*==========================
Loading
==========================*/
#loading {
  position: fixed;
  inset: 0;
  background: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 99999;
  transition: 1s;
}
#loading.hide {
  opacity: 0;
  visibility: hidden;
}
.loader-logo {
  font-size: 42px;
  font-weight: 700;
  letter-spacing: .2em;
  color: #2F8F46;
  animation: loader 1.5s infinite;
}
.loader-logo-img {
  max-width: 200px;
}
@keyframes loader {
  0%, 100% {
    opacity: .3;
  }
  50% {
    opacity: 1;
  }
}
/*==========================
Progress
==========================*/
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: #2F8F46;
  width: 0;
  z-index: 10000;
}
/*==========================
Mobile Menu
==========================*/
.mobile-nav {
  position: fixed;
  top: 90px;
  left: 0;
  width: 100%;
  background: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 30px 0;
  gap: 25px;
  transform: translateY(-120%);
  transition: .4s;
  box-shadow: 0 0 30px rgba(0, 0, 0, .08);
  z-index: 998;
}
.mobile-nav.show {
  transform: none;
}
.mobile-nav a {
  font-size: 18px;
  letter-spacing: .08em;
}
/*==========================
Button
==========================*/
.ticket-btn, .stage-btn, .access-btn, .news-button a {
  transition: .35s;
}
.ticket-btn:hover, .stage-btn:hover, .access-btn:hover {
  transform: translateY(-3px);
}
/*==========================
MAP MODAL
==========================*/
.map-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .75);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: .35s;
  z-index: 9999;
}
.map-modal.show {
  opacity: 1;
  visibility: visible;
}
.map-modal-content {
  background: #fff;
  width: min(1000px, 90%);
  border-radius: 24px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
}
.map-modal-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 520px;
}
.map-modal-body {
  padding: 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.map-modal-time {
  display: inline-block;
  color: #2F8F46;
  font-weight: 700;
  margin-bottom: 20px;
}
.map-modal-subtitle {
  margin-top: 0px;
  margin-bottom: 25px;
  font-size: 14px;
  color: #888;
  letter-spacing: .05em;
}
.map-modal-title {
  font-size: 42px;
  margin-bottom: 0px;
}
.map-modal-text {
  line-height: 2;
  margin-bottom: 40px;
  color: #666;
}
.map-highlight {
  padding: 25px;
  background: #f5f8f5;
  border-left: 5px solid #2F8F46;
  border-radius: 12px;
}
.map-highlight h3 {
  margin-bottom: 10px;
}
.map-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  border: none;
  border-radius: 50%;
  background: #fff;
  font-size: 30px;
  cursor: pointer;
  box-shadow: 0 5px 20px rgba(0, 0, 0, .15);
}