@charset "UTF-8";

/* 全体 */

:root {
  --text-font :'sans-serif';
  --background-color: #1A1E3F;
  --header-h: 100px;
}

body {
  background-color: #1A1E3F;
  font-family: 'Noto Sans JP', sans-serif;
}

.white-block {
  background-color: #fff;
  border-radius: 16px;
  padding: 60px 30px;
  margin: 60px auto;
  max-width: 900px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

section {
  scroll-margin: 100px;
}

.section-title {
  margin-top: 40px;
}

/* header */
body {
  margin: 0;
  font-family: 'Roboto', sans-serif;
}

/* ヘッダー */
.site-header {
  background: linear-gradient(to right, #1A1E3F, #2A2F55);
  color: #fff;
  padding: 20px 0;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 999;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.header-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.logo {
  font-family: 'League Spartan', sans-serif;
  font-size: 3rem;
  color: #F4CFE1;
  margin: 0 0 10px 0;
  letter-spacing: 2px;
}

.nav-menu ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 30px;
  padding: 0;
  margin: 0;
}

.nav-menu a {
  text-decoration: none;
  color: #ffffff;
  font-weight: 500;
  font-size: 1rem;
  transition: color 0.3s;
}

.nav-menu a:hover {
  color: #CDE7DA;
}


button {
  color: #fff;
  -webkit-appearance: none;
  appearance: none;
  vertical-align: middle;
  border: 0;
  background: transparent;
  outline: 0;
  border-radius: 0;
  text-align: inherit;
}

button:hover {
  cursor: pointer;
}

.menu-btn {
  position: fixed;
  top: 16px;
  right: 16px;
  width: 48px;
  height: 48px;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10;
}

.btn-line {
  width: 100%;
  height: 2px;
  background-color: #fff;
  position: relative;
  transition: .2s;
}

.btn-line::before,
.btn-line::after {
  position: absolute;
  transition: .5s;
}

.btn-line::before {
  content: "";
  width: 100%;
  height: 100%;
  background-color: #fff;
  transform: translateY(-16px);
}

.btn-line::after {
  content: "menu";
  display: block;
  width: 100%;
  text-align: center;
  transform: translateY(8px);
  color: #fff;
}

.btn-line.open {
  transition: .5s;
}

.btn-line.open::before {
  content: "";
  transform: translateY(0);
}

.btn-line.open::after {
  content: "close";
  color: #fff;
}

.menu-btn {
  display: none;
}

.menu {
  position: static;
  transform: none;
  width: auto;
  height: auto;
  display: flex;
  background: transparent;
}

.menu-list {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.menu-list:hover {
  color: #333;
  transition: .3s;
  cursor: pointer;
}

.menu.open {
  transform: translateX(0);
}

@media (max-width: 680px) {
  .menu-btn {
    display: flex;
    position: fixed;
    top: 16px;
    right: 16px;
    width: 58px;
    height: 48px;
    justify-content: center;
    align-items: center;
    z-index: 3000;
  }

  .menu {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: 70%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 0;
    background: #1A1E3F;
    transform: translateX(100%);        
    transition: transform .3s ease;
    z-index: 2000;
    padding: 24px 16px;
    list-style: none;
  }

  .menu.open {
    transform: translateX(0);
  }

  .menu-list { 
    display: flex; 
    align-items: center; 
    justify-content: center;
    height: 56px;
  }

  .nav-menu ul { 
    gap: 0; 
    justify-content: flex-start; 
    margin: 0; 
  }
}

@media (max-width: 450px) {
  .menu-btn {
    width: 45px;
    height: 40px;
  }
}


/* mainvisial */
.mainvisial {
  margin-top: var(--header-h);
  height: clamp( 360px, 60vh, 720px);
  width: 100%;
  overflow: hidden;
  position: relative;
}


.mainvisial > img{
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;     /* “枠に合わせて拡大して切り取り” */
  object-position: center 40%; /* 顔やロゴを見せたい位置があれば調整 */
}

@media (max-width: 680px) {
  .mainvisial {
    margin-top: 85px;
  }
}

/* about */
.about-section {
  padding: 60px 20px;
  background: #1A1E3F;
  color: #fff;
  max-width: 900px;
  margin: 0 auto;
  line-height: 1.8;
  text-align: center;
  margin-top: 60px;
  margin-bottom: 40px;
}

.event-title {
  font-size: 3.5rem;
  text-align: center;
  margin-bottom: 20px;
  color: #F4CFE1;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 2px;
  display: inline-block;
  border-bottom: 4px solid #CDE7DA;
}

.event-details ul {
  list-style: none;
  padding: 0;
  font-size: 1.5rem;
  text-align: center;
  margin-top: 20px;
}

.event-details li {
  margin-bottom: 10px;
}

.event-link {
  text-align: center;
}

.guideline-link {
  display: inline-block;
  margin-top: 30px;
  padding: 12px 30px;
  font-weight: bold;
  color: #1A1E3F;
  background-color: #CDE7DA;
  text-decoration: none;
  border-radius: 5px;
  transition: all 0.3s ease;
}

.guideline-link:hover {
  background-color: #a9d6c3;
}

/* news */
.news-section {
  padding: 4rem 1rem;
  background-color: #1A1E3F;
  color: #fff;
  max-width: 900px;
  margin: 0 auto;
}

.news-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 2rem;
  letter-spacing: 2px;
}

.news-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.news-item {
  display: flex;
  align-items: center;
  border-bottom: 1px solid #ccc;
  padding: 1rem 0;
  opacity: 1;
  transition: all 0.3s ease;
}

.news-date {
  background-color: #F4CFE1;
  color: #1A1E3F;
  padding: 0.4rem 1rem;
  border-radius: 20px;
  margin-right: 1.5rem;
  margin-left: 30px;
  white-space: nowrap;
  font-size: 0.9rem;
}

.news-text {
  flex: 1;
  font-size: 1rem;
  text-align: left;
  padding-left: 30px;
}

.show-more-btn {
  display: block;
  margin: 2rem auto 0;
  padding: 0.8rem 2rem;
  background-color: #CDE7DA;
  color: #1A1E3F;
  border: none;
  border-radius: 30px;
  cursor: pointer;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.show-more-btn:hover {
  background-color: #a9d6c3;
}

.hidden {
  display: none;
  opacity: 0;
}

.fade-in {
  display: flex !important;
  animation: fadeInSlide 0.4s ease-out forwards;
}

@keyframes fadeInSlide {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* artists */

.artist-section {
  background-color: #1A1E3F;
  color: #fff;
  padding: 80px 20px;
  text-align: center;
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  font-size: 32px;
  margin-bottom: 40px;
  font-weight: bold;
  letter-spacing: 2px;
}

.artist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  margin-top: 20px;
}

.artist-card {
  background-color: #22253f;
  cursor: pointer;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.artist-card img {
  width: 100%;
  height: auto;
  display: block;
}

.artist-name {
  padding: 16px;
  font-size: 18px;
  font-weight: 600;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  background-color: #1A1E3F;
  width: 100%;
  text-align: center;
  user-select: none;
  line-height: 24px;
}

.artist-card:hover img {
  transform: scale(1.05);
  filter: brightness(1.1);
  box-shadow: 0 0 40px rgba(255, 255, 255, 0.2);
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 0.3s;
}

.fade-in:nth-child(1) {
  animation-delay: 0.3s;
}
.fade-in:nth-child(2) {
  animation-delay: 0.5s;
}
.fade-in:nth-child(3) {
  animation-delay: 0.7s;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ticket */
.ticket-section {
  background-color: #1A1E3F;
  padding: 4rem 2rem;
  text-align: center;
}

.section-title {
  color: #ffffff;
}

.ticket-cards {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin: 2rem 0;
  flex-wrap: wrap;
}

.ticket-card {
  background-color: #ffffff;
  border-radius: 1rem;
  padding: 3rem;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  width: 300px;
  transition: transform 0.3s ease;
}

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

.ticket-type {
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 1rem;
}

.ticket-price {
  font-size: 2.5rem;
  margin-bottom: 2rem;
}

.ticket-btn {
  display: inline-block;
  background-color: #CDE7DA;
  color: #1A1E3F;
  padding: 0.8rem 1.5rem;
  border-radius: 9999px;
  font-weight: bold;
  text-decoration: none;
  transition: background-color 0.3s;
}

.ticket-btn:hover {
  background-color: #b3d9cb;
}

.ticket-note {
  margin-top: 1rem;
  font-size: 1rem;
  color: #fff;
}

.ticket-note a {
  color: #fff;
}

.ticket-warning {
  background-color: #f2f2f2;
  border-left: 5px solid #CDE7DA;
  padding: 1rem;
  margin-top: 2rem;
  font-size: 0.9rem;
  text-align: left;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.ticket-guide:hover {
  color: #CDE7DA;
}

/* guide line */
.guideline-section {
  background-color: #1A1E3F;
  padding: 80px 20px;
  max-width: 900px;
  margin: 0 auto; 
}

section.guideline-section .section-title {
  color: #ffffff !important;
  font-size: 32px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 10px;
  letter-spacing: 1px;
}


.guideline-box {
  background-color: #f8f8f8;
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  line-height: 1.8;
  color: #333;
  margin-bottom: 40px;
}

.guideline-intro {
  margin-bottom: 40px;
  font-size: 16px;
  text-align: center;
  color: #ffffff;
}

.guideline-heading {
  margin-top: 2rem;
  margin-bottom: 0.5rem;
  font-size: 18px;
  font-weight: bold;
  color: #1A1E3F;  
  text-decoration: underline;
  text-decoration-color: #F4CFE1;
  text-decoration-thickness: 5px;
}

/* access */
.access-section {
  background-color: #1A1E3F;
  color: #ffffff;
  padding: 80px 0;
  max-width: 100%;
  margin: 0 auto;
}

.section-title {
  font-size: 32px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 60px;
  letter-spacing: 1px;
  color: #ffffff;
  position: relative;
  z-index: 2;
}

.access-map iframe {
  width: 100%;
  height: 400px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  margin-bottom: 40px;
  margin-top: 40px;
  position: relative;
  z-index: 0;
}

.access-info {
  text-align: center;
  line-height: 1.8;
  font-size: 16px;
}

.venue-name {
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 0.5rem;
}

.venue-address,
.venue-access,
.venue-text {
  opacity: 0.9;
}

.venue-text {
 margin-top: 20px;
}

/* Q&A */
.qa-section {
  background-color: #1A1E3F;
  color: #fff;
  padding: 80px 20px;
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  font-size: 32px;
  text-align: center;
  margin-bottom: 12px;
  font-weight: bold;
  letter-spacing: 1px;
}

.qa-description {
  text-align: center;
  font-size: 16px;
  color: #ccc;
  margin-bottom: 40px;
}

.qa-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.qa-item {
  background-color: #F4CFE1;
  color: #1A1E3F;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.qa-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.qa-question::before {
  content: "Q. ";
  color: #1A1E3F;
  font-weight: bold;
}

.qa-question {
  font-weight: bold;
  text-decoration: underline;
  margin-bottom: 10px;
}

.qa-answer::before {
  content: "A. ";
  color: #999;
  font-weight: bold;
}

.qa-answer {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-10px);
  transition: all 0.4s ease;
  font-size: 15px;
  line-height: 1.7;
}

.qa-answer.open {
  max-height: 500px;
  opacity: 1;
  transform: translateY(0);
}

/* contact */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
  font-family: "Noto Sans JP", "Roboto", sans-serif;
}

.contact-form label {
  display: block;
  margin-bottom: 20px;
  font-weight: bold;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px;
  margin-top: 6px;
  border: 2px solid #F4CFE1;
  border-radius: 8px;
  background-color: #eee;
  color: white;
  font-size: 16px;
  transition: background-color 0.3s, border-color 0.3s;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #ccc;
}

.contact-form input.filled,
.contact-form textarea.filled {
  background-color: #fff;
  color: #1A1E3F;
}

.contact-form input.error,
.contact-form textarea.error {
  background-color: #ffeaea;
  color: #1A1E3F;
}

.contact-form button {
  background-color: #CDE7DA;
  color: #1A1E3F;
  font-weight: bold;
  padding: 12px 24px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: opacity 0.3s;
}

.contact-form button:hover {
  opacity: 0.85;
}

.contact-btn {
  display: block;
  margin: 0 auto;
}

/* footer */
.site-footer {
  background-color: #1A1E3F;
  color: white;
  padding: 30px 20px;
  font-family: "Noto Sans JP", "Roboto", sans-serif;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.site-footer p {
  margin: 0;
  font-size: 14px;
}

/* レスポンシブ版 */
@media (max-width:767px) {
  body {
    font-size: 14px;
  }

  .news-section {
    max-width: 700px;
  }
}

/* タブレット幅 */

@media screen and (min-width: 768px) and (max-width: 1024px) {
  body {
    font-size: 16px;
  }
}