@charset "UTF-8";

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:where([hidden]:not([hidden=until-found])) {
  display: none !important;
}

:where(html) {
  -webkit-text-size-adjust: none;
  color-scheme: dark light;
}

@supports not (min-block-size: 100dvb) {
  :where(html) {
    block-size: 100%;
  }
}

:where(body) {
  block-size: 100%;
  line-height: 1.5;
  font-family: system-ui, sans-serif;
}

:where(input, button, textarea, select) {
  font: inherit;
  color: inherit;
}

:where(textarea) {
  resize: vertical;
  resize: block;
}

:where(button, label, select, summary, [role=button], [role=option]) {
  cursor: pointer;
}

:where(:disabled) {
  cursor: not-allowed;
}

:where(label:has(> input:disabled),
label:has(+ input:disabled)) {
  cursor: not-allowed;
}

:where(button) {
  border-style: solid;
}

:where(a) {
  text-underline-offset: 0.2ex;
}

:where(ul, ol) {
  list-style: none;
}

:where(img, svg, video, canvas, audio, iframe, embed, object) {
  display: block;
}

:where(img, picture, svg) {
  max-inline-size: 100%;
  block-size: auto;
}

:where(p, h1, h2, h3, h4, h5, h6) {
  overflow-wrap: break-word;
}

:where(h1, h2, h3) {
  font-weight: inherit;
  line-height: calc(1em + 0.5rem);
}

:where(hr) {
  border: none;
  -webkit-border-before: 1px solid;
  border-block-start: 1px solid;
  color: inherit;
  block-size: 0;
  overflow: visible;
}

:where(:focus-visible) {
  outline: 2px solid var(--focus-color, Highlight);
  outline-offset: 2px;
}

:where(.visually-hidden:not(:focus, :active, :focus-within, .not-visually-hidden)) {
  -webkit-clip-path: inset(50%) !important;
  clip-path: inset(50%) !important;
  height: 1px !important;
  width: 1px !important;
  overflow: hidden !important;
  position: absolute !important;
  white-space: nowrap !important;
  border: 0 !important;
}

html {
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

body {
  color: #000;
}

a {
  color: inherit;
  text-decoration: none;
  outline: none;
}

button {
  outline: none;
}

img {
  width: 100%;
  height: auto;
  vertical-align: bottom;
}

hr {
  display: block;
  padding: 0;
  height: 1px;
  border: 0;
  border-top: 1px solid #ccc;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

input,
select {
  vertical-align: middle;
}

button {
  cursor: pointer;
}

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}

/* --------------------------------------------------
common
-------------------------------------------------- */

body {
  position: relative;
  font-family: "Inter", sans-serif;
  font-optical-sizing: auto;
  font-style: normal;
  font-weight: 600;
  font-variation-settings: "slnt" 0;
}

body::before {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  position: fixed;
  background-color: #287C8B;
}

body > * {
  position: relative;
  width: 414px;
  margin: 0 auto;
}

main,
footer {
  overflow: hidden;
  padding: 0 15px;
  color: #fff;
  background-color: #287C8B;
}

img {
  width: auto;
}

a.text {
  color: #fff;
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid #fff;
  line-height: 1;
}

.n_text {
  font-size: 18px;
}

.l_text {
  font-weight: 500;
}

.l-through {
  pointer-events: none;
  text-decoration: line-through;
  border-bottom: none;
}

.item-pic {
  overflow: hidden;
  border-radius: 20px;
}

/* main
-------------------------------------------------- */

h1 {
  padding: 0 0 40px;
  font-size: 28px;
  font-weight: 700;
  text-align: center;
}

h2 {
  margin: 120px 0 15px;
}

h3 {
  margin-top: 20px;
}

/* fade_in */

.fade_in {
  opacity: 0;
  transition: all 0.6s;
}

.in_right {
  transform: translateX(calc(-414px + 50%));
}

.in_left {
  transform: translateX(calc(414px - 50%));
}

/* list_item */

.group_list {
  display: flex;
  flex-wrap: wrap;
}

.group_list .list_item {
  position: relative;
}

.group_list .list_item .item-name {
  margin-top: 10px;
  font-size: 18px;
  font-weight: 500;
  text-align: center;
}

.group_list .list_item button {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0);
  border: none;
}

section:not(.sec_artist) .list_item {
  margin-left: 15px;
  width: 118px;
}

section:not(.sec_artist) .list_item:nth-child(3n+1) {
  margin-left: 0;
}

section:not(.sec_artist) .list_item:nth-child(n+4) {
  margin-top: 20px;
}

section:not(.sec_artist) .list_item .item-pic {
  max-height: 118px;
}

/* --- sec_info --- */

.sec_info {
  margin-bottom: 150px;
}

.sec_info ul {
  margin-bottom: 15px;
  font-weight: 800;
}

.sec_info .s_text {
  margin-top: 15px;
}

/* --- sec_ticket --- */

.sec_ticket .sec_body > h3 + p {
  margin-top: 15px;
}

.sec_ticket .sec_body .ticket_btn {
  display: grid;
  place-items: center;
  margin-bottom: 80px;
  height: 70px;
  color: #000;
  background-color: #fff;
  transition: all 0.2s;
}

.sec_ticket .sec_body .ticket_btn_entree {
  display: grid;
  place-items: center;
  margin-bottom: 30px;
  height: 70px;
  color: #000;
  background-color: #fff;
  transition: all 0.2s;
}

.sec_ticket .sec_body .ticket_btn:hover {
  color: #fff;
  background-color: #A8D271;
}

.sec_ticket .sec_body .ticket_btn_entree:hover {
  color: #fff;
  background-color: #A8D271;
}

.ticket_details {
  margin: 20px 0 30px;
  font-size: 20px;
  font-weight: 700;
  border-top: 3px dashed #fff;
}

.ticket_details + h3 {
  margin-top: 80px;
}

.ticket_details > li {
  display: flex;
  align-items: center;
  height: 100px;
  border-bottom: 3px dashed #fff;
  line-height: 1.3;
}

/* --- sec_artist --- */

.sec_artist .group_list {
  justify-content: space-between;
}

.sec_artist .group_list .list_item {
  width: 183px;
}

.sec_artist .group_list .list_item:nth-child(n+3) {
  margin-top: 40px;
}

.sec_artist .group_list .list_item .item-pic {
  max-height: 183px;
}

/* --- sec_access --- */

.sec_access .sec_body > figure {
  margin: 15px 0;
}

.sec_access .sec_body > h3 {
  margin: 30px 0 15px;
}

.access_details li {
  margin-top: 15px;
  padding-left: 1em;
  text-indent: -1em;
}

.access_details li::before {
  content: "⚫︎";
}

.access_details .access_details-list_star::before {
  content: "★";
}

/* --- sec_nortice --- */

.notice_details > dt {
  margin: 20px 0 6px;
  padding-left: 1.2em;
  text-indent: -1.2em;
}

.notice_details > dt::before {
  content: "■";
  padding-right: 0.2em;
}

.notice_details > dd {
  padding-left: 1.2em;
  text-indent: -1.2em;
}

.notice_details > dd::before {
  content: "＊";
}

/* footer
-------------------------------------------------- */

footer {
  padding-top: 60px;
}

footer h2 {
  margin-top: 0;
  font-size: 18px;
  font-weight: 700;
}

.footer_links {
  display: flex;
  justify-content: center;
  margin: 40px 0 60px;
}

.footer_links > li {
  width: 61px;
  height: 61px;
  background-color: #fff;
  border-radius: 50%;
}

.footer_links > li + li {
  margin-left: 40px;
}

.footer_links > li a {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  transition: all 0.2s;
}

.footer_links > li a:hover {
  transform: scale(1.3);
}

.footer_links > li a .icon_insta {
  width: 38px;
}

.footer_links > li a .icon_x {
  width: 30px;
}

.copyright {
  padding-bottom: 6px;
  font-size: 16px;
  text-align: center;
}

/* modal_area
-------------------------------------------------- */

.modal {
  display: none;
  align-items: center;
  justify-content: center;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100dvh;
  z-index: 10;
}

.modal .btn-close {
  display: grid;
  place-items: center;
  position: absolute;
  top: 10px;
  right: 10px;
  width: 80px;
  height: 80px;
  background-color: #dcdcc0;
  font-size: 18px;
  border-radius: 50%;
  z-index: 2;
}

.modal-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100dvh;
}

.modal-content {
  position: relative;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 40px 26px 26px;
  width: 414px;
  height: 100dvh;
  background-color: #277c8b;
}

.modal-inner {
  position: relative;
  padding: 0;
  color: #fff;
  font-weight: 700;
  z-index: 1;
}

.modal-inner .item-pic {
  max-height: 383px;
}

.modal-inner > h3 {
  margin: 15px 0;
  font-size: 24px;
  text-align: center;
}

.modal-inner .item-links {
  display: flex;
  margin-bottom: 15px;
}

.modal-inner .item-links > li + li {
  margin-left: 10px;
}

.modal-inner .item-links > li > a {
  display: grid;
  place-items: center;
  padding: 0 8px;
  height: 2em;
  width: 100%;
  color: #000;
  background-color: #dcdcc0;
  font-size: 12px;
  border-radius: 1em;
}

.modal-inner > p {
  max-height: calc(100dvh - 551px);
  overflow-y: scroll;
  overflow-y: auto;
  overscroll-behavior-y: contain;
  -webkit-overflow-scrolling: touch;
  font-size: 13px;
}

.modal-inner > p::-webkit-scrollbar {
  padding-left: 1px;
  background: #fff;
  width: 4px;
  height: 4px;
}

.modal-inner > p::-webkit-scrollbar-thumb {
  background-color: #dcdcc0;
}

.modal-inner > p::-webkit-scrollbar-thumb:hover {
  background-color: #bfbfa6;
}

@media (prefers-reduced-motion: no-preference) {
  :where(html:focus-within) {
    scroll-behavior: smooth;
  }
}

/* 追加部分：PCのみ3カラムに拡張、スマホは崩さない */

@media screen and (min-width: 1024px) {
  body > * {
    width: 1000px;
  }

  /* ここを追加 */
  header {
    width: 1000px;
    margin: 0 auto;
    background-color: #D8DCDB; /* 追加：key_visual縦幅背景色 */
  }

  header img.key {
    width: 100%;
    height: auto;
    display: block;
  }

  /* 以下はもともとの内容 */
  .key-visual {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
  }

  .key-visual img {
    width: 100%;
    height: auto;
    display: block;
  }

  .sec_artist .group_list {
    justify-content: center;
    gap: 30px; /* 追加 */
  }

  .sec_artist .group_list .list_item {
    width: calc((100% - 60px) / 3); /* 3カラム、gapの分を引く */
    margin: 0;
  }

  .sec_artist .group_list .list_item:nth-child(n+4) {
    margin-top: 0;
  }

  .sec_artist .group_list .list_item .item-pic {
    max-height: none;
    height: auto;
    aspect-ratio: 1 / 1;
    border-radius: 20px;
  }

  footer {
    padding: 0 40px;
  }
}

@media screen and (min-width: 1024px) {
  .sec_artist .group_list .list_item:nth-child(n+3) {
    margin-top: 0 !important;
  }
}