@charset "utf-8";

/* =======================================
	common
======================================= */
.pc {
  display: none;
}
.sp {
  display: block;
}

body {
  position: relative;
  width: 100%;
  min-height: 100lvh;
  margin: 0 auto;
  text-align: center;
  color: #333;
  line-height: 1;
  font-family: "Noto Sans JP", sans-serif;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}
table {
  width: 100%;
}
tr,
td {
  vertical-align: top;
}

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

a:link {
  color: #333;
  text-decoration: none;
}
a:visited {
  color: #333;
  text-decoration: none;
}
a:hover {
  color: #333;
  text-decoration: none;
}
a:active {
  text-decoration: none;
}

/* =======================================
	layout
======================================= */
.pc-kv {
  display: none;
}

.pc-content {
  display: block;
  width: 100%;
  margin: 0 auto;
  position: relative;
  background: whitesmoke;
}

.wrapper {
  position: relative;
  width: 100%;
  margin: 0 auto;
  min-width: unset;
}

main {
  position: relative;
  width: 100%;
  min-height: 100lvh;
  max-width: 600px;
  margin: 0 auto;
}

section {
  position: relative;
  width: 100%;
  margin: 0 auto;
  padding-top: 5%;
  z-index: 1;
}

section:not(:last-of-type) {
  margin-bottom: 2em;
}

.inner {
  width: 94%;
  margin: 0 auto;
}

/* =======================================
	text
======================================= */
h2 {
  margin: 0 auto 0.6em;
  font-family: "Oswald", sans-serif;
  letter-spacing: 0.2em;
  font-size: clamp(1.25rem, 0.536rem + 3.57vw, 1.875rem);
  font-weight: 700;
  background: #a1a25a;
  color: white;
  padding: 0.6em 0;
  position: relative;
  border: 10px solid #a1a25e;
  outline: 2px solid white;
  outline-offset: -7px;
}

/* =======================================
	navigation
======================================= */
.hamburger {
  position: fixed;
  top: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.9);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  z-index: 1001;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  padding: 0;
  transition: all 0.3s ease;
  box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.15);
}

.hamburger:hover {
  background: rgba(255, 255, 255, 1);
}

.hamburger span {
  display: block;
  width: 28px;
  height: 3px;
  background: #222;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

.nav-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(34, 34, 34, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1),
    visibility 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-menu.active {
  opacity: 1;
  visibility: visible;
}

.nav-menu ul {
  list-style: none;
  padding: 100px 40px 40px;
  margin: 0;
}

.nav-menu li {
  margin-bottom: 20px;
}

.nav-menu li a {
  display: block;
  color: white;
  font-size: 24px;
  font-weight: 700;
  font-family: "Oswald", sans-serif;
  text-decoration: none;
  transition: all 0.3s ease;
  padding: 10px 0;
  border-bottom: 2px solid transparent;
}

.nav-menu li a:hover {
  color: #9fd3e9;
  background: rgba(0, 0, 0, 0.5);
  transform: translateX(10px);
  border-radius: 4px;
}

.nav-social {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.2em;
}

.nav-social a {
  color: white;
  text-decoration: none;
  font-size: clamp(1.375rem, 1.232rem + 0.71vw, 1.5rem);
}

/* =======================================
	header
======================================= */
header {
  position: relative;
  width: 100%;
  margin: 0 auto;
  background: #9fd3e9;
}

.header-logo {
  position: relative;
  width: 30%;
  margin: 0 auto;
  padding: 5% 0;
}

.header-text {
  position: relative;
  width: 100%;
  margin: 0 auto;
  padding: 5% 0;
}

.header-text-title {
  margin: 0 auto 0.5em;
  font-family: "Oswald", sans-serif;
  font-size: clamp(2.25rem, 0.25rem + 10vw, 4rem);
  font-weight: 900;
  color: white;
  letter-spacing: 0.2em;
}

.header-text-venue {
  margin: 0 auto 0.5em;
  font-size: clamp(1.688rem, 0.33rem + 6.79vw, 2.875rem);
  font-weight: 900;
  color: white;
}

.header-text-date {
  font-family: "Oswald", sans-serif;
  font-size: clamp(1.313rem, 0.241rem + 5.36vw, 2.25rem);
  font-weight: 900;
  color: white;
  letter-spacing: 0.1em;
}

/* =======================================
	news
======================================= */
#news dl {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.3em;
  align-items: start;
}

#news dt {
  font-weight: 700;
  font-size: clamp(0.875rem, 0.589rem + 1.43vw, 1.125rem);
  color: #6b6c3d;
  background: #f5f5e8;
  padding: 0.5em 0.8em;
  border-radius: 4px;
  border-left: 4px solid #a1a25a;
  text-align: center;
  white-space: nowrap;
  width: fit-content;
}

#news dd {
  line-height: 1.6;
  text-align: left;
  border-bottom: 1px solid #ddd;
  padding-bottom: 1em;
  margin-bottom: 1em;
  font-size: clamp(0.75rem, 0.536rem + 1.07vw, 0.938rem);
}

#news dd:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}

/* =======================================
	information
======================================= */
.information-content-text {
  margin-bottom: 1em;
}

.information-content-text-title {
  display: inline-block;
  margin: 0 auto 0.5em;
  color: white;
  background: #a1a25a;
  padding: 0.5em 2em;
  border-radius: 4px;
  font-weight: bold;
  font-size: clamp(1rem, 0.714rem + 1.43vw, 1.25rem);
}

.information-content-text-title:not(:first-of-type) {
  margin-top: 2em;
}

.information-content-text-date {
  font-size: clamp(1.25rem, 0.821rem + 2.14vw, 1.625rem);
  font-weight: 900;
  margin: 0 auto;
  line-height: 1.3;
}

.information-content-text-venue {
  font-size: clamp(1.25rem, 0.821rem + 2.14vw, 1.625rem);
  font-weight: 900;
  margin: 0 auto;
}

.information-content-text-note {
  font-size: clamp(0.875rem, 0.589rem + 1.43vw, 1.125rem);
  margin: 1em auto;
}

.information-content-text-members {
  font-size: clamp(1.125rem, 0.696rem + 2.14vw, 1.5rem);
  font-weight: 900;
  margin: 0 auto;
}

.information-content-map {
  position: relative;
  width: 100%;
  margin: 0 auto 2em;
  padding-bottom: 100%;
  overflow: hidden;
}

.information-content-map iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.schedule-day {
  margin-bottom: 3em;
}

.schedule-day-title {
  font-size: clamp(1.375rem, 0.804rem + 2.86vw, 1.875rem);
  font-weight: 900;
  color: #a1a25e;
  margin-bottom: 1em;
  text-align: center;
  line-height: 1.2;
}

.schedule-notice-box {
  background: #fff9e6;
  border: 2px solid #f0d98c;
  border-radius: 8px;
  padding: 1em 1.2em;
  margin-bottom: 1.5em;
}

.schedule-notice-box p {
  font-size: clamp(0.813rem, 0.67rem + 0.71vw, 0.938rem);
  line-height: 1.7;
  color: #666;
  margin: 0 0 0.5em 0;
  text-align: left;
}

.schedule-notice-box p:last-child {
  margin-bottom: 0;
}

.schedule-category {
  margin-bottom: 1.5em;
}

.schedule-category:last-child {
  margin-bottom: 0;
}

.schedule-category-title {
  font-size: clamp(1.063rem, 0.848rem + 1.07vw, 1.25rem);
  font-weight: 700;
  color: #6b6c3d;
  background: #f5f5e8;
  padding: 0.6em 1em;
  border-radius: 6px;
  margin-bottom: 1em;
  border-left: 4px solid #a1a25a;
  display: flex;
  align-items: center;
  gap: 0.5em;
}

.schedule-category-title.noflex {
  display: block;
  text-align: left;
}

.schedule-category-notice {
  display: block;
  font-size: clamp(0.813rem, 0.67rem + 0.71vw, 0.938rem);
  font-weight: 400;
  color: #6c757d;
  margin-top: 0.5em;
  line-height: 1.2;
}

.schedule-note {
  font-size: 0.85em;
  font-weight: 400;
  color: #6c757d;
}

.schedule-items {
  display: flex;
  flex-direction: column;
  gap: 0.8em;
}

.schedule-item {
  background: #9fd3e9;
  padding: 1em;
  border-radius: 8px;
  border: 1px solid #7cc4dd;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1em 1em;
  align-items: center;
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.schedule-item:hover {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
  border-color: #5eb8d4;
}

.schedule-session {
  grid-column: 1;
  font-weight: 700;
  font-size: clamp(0.938rem, 0.58rem + 1.79vw, 1.25rem);
  background: white;
  padding: 0.4em 0.8em;
  border-radius: 6px;
  text-align: center;
  min-width: 50px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.schedule-time {
  grid-column: 2;
  font-weight: 700;
  font-size: clamp(1.25rem, 0.893rem + 1.79vw, 1.563rem);
  color: #1a1a1a;
  font-family: "Oswald", sans-serif;
}

.schedule-time-main {
  grid-column: 1 / -1;
  font-weight: 700;
  font-size: clamp(1.125rem, 0.839rem + 1.43vw, 1.375rem);
  color: #1a1a1a;
  font-family: "Oswald", sans-serif;
  display: block;
  text-align: left;
}

.schedule-lineup {
  grid-column: 1 / -1;
  font-size: clamp(0.875rem, 0.732rem + 0.71vw, 1rem);
  color: #2d2d2d;
  padding: 0.3em 0.5em;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 4px;
  text-align: left;
}

.schedule-members {
  grid-column: 1 / -1;
  font-size: clamp(0.875rem, 0.732rem + 0.71vw, 1rem);
  color: #1a1a1a;
  font-weight: 500;
  padding: 0.4em 0.6em;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 4px;
  border-left: 3px solid #5eb8d4;
  text-align: left;
}

/* =======================================
	contents
======================================= */
.event-box {
  background: white;
  border: 3px solid #9fd3e9;
  border-radius: 12px;
  padding: 1.5em;
  margin-bottom: 1.5em;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  position: relative;
}

.event-box:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
}

.event-box:last-child {
  margin-bottom: 0;
}

.event-badge {
  display: inline-block;
  font-size: clamp(0.875rem, 0.732rem + 0.71vw, 1rem);
  font-weight: 900;
  padding: 0.5em 1.2em;
  border-radius: 20px;
  margin-bottom: 1em;
  letter-spacing: 0.05em;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
  text-align: center;
  background: linear-gradient(135deg, #ff416c 0%, #ff4b2b 100%);
  color: white;
}

.event-title {
  font-size: clamp(1.063rem, 0.777rem + 1.43vw, 1.313rem);
  font-weight: 900;
  color: #a1a25e;
  margin: 0 0 0.8em 0;
  padding-bottom: 0.5em;
  border-bottom: 2px solid #9fd3e9;
  line-height: 1.4;
  text-align: left;
}

.event-title-with-badge {
  font-size: clamp(1.063rem, 0.777rem + 1.43vw, 1.313rem);
  font-weight: 900;
  color: #a1a25e;
  margin: 0 0 0.8em 0;
  padding-bottom: 0.5em;
  border-bottom: 2px solid #9fd3e9;
  line-height: 1.4;
  text-align: left;
}

.event-description {
  font-size: clamp(1rem, 0.857rem + 0.71vw, 1.125rem);
  line-height: 1.6;
  color: #333;
  margin: 0;
  text-align: left;
  font-weight: 500;
}

.event-note {
  font-size: clamp(0.813rem, 0.67rem + 0.71vw, 0.938rem);
  line-height: 1.6;
  color: #666;
  margin: 0;
  text-align: left;
}

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

.event-notes li {
  font-size: 0.9em;
  line-height: 1.6;
  color: #666;
  margin-bottom: 0.5em;
  text-align: left;
}

.event-notes li:last-child {
  margin-bottom: 0;
}

/* =======================================
	goods
======================================= */
.comingsoon {
  font-family: "Oswald", sans-serif;
  font-size: clamp(1rem, 0.429rem + 2.86vw, 1.5rem);
  font-weight: 900;
  letter-spacing: 0.1em;
  color: #a1a25e;
  margin: 2em auto 4em;
  text-align: center;
}

/* =======================================
	attention
======================================= */
.attention-content {
  margin-top: 1.5em;
}

.attention-box {
  background: white;
  border: 3px solid #a1a25a;
  border-radius: 12px;
  padding: 1.5em;
  margin-bottom: 1.5em;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.attention-box:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
}

.attention-box:last-child {
  margin-bottom: 0;
}

.attention-box h3 {
  font-size: clamp(1.125rem, 0.839rem + 1.43vw, 1.375rem);
  font-weight: 900;
  color: #a1a25e;
  margin: 0 0 1em 0;
  padding-bottom: 0.5em;
  border-bottom: 2px solid #a1a25a;
  line-height: 1.4;
  text-align: left;
}

.attention-box h3:not(:first-of-type) {
  margin-top: 2em;
}

.attention-box p {
  font-size: clamp(0.875rem, 0.732rem + 0.71vw, 1rem);
  line-height: 1.2;
  color: #333;
  margin: 0 0 1em 0;
  text-align: left;
}

.attention-box p:last-child {
  margin-bottom: 0;
}

/* =======================================
	qanda
======================================= */
.qanda-list {
  margin-top: 1.5em;
}

.qanda-item {
  background: white;
  border: 3px solid #9fd3e9;
  border-radius: 12px;
  margin-bottom: 1em;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.qanda-item:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.qanda-item:last-child {
  margin-bottom: 0;
}

.qanda-question {
  width: 100%;
  background: #9fd3e9;
  border: none;
  padding: 1.2em 1.5em;
  display: flex;
  align-items: center;
  gap: 0.8em;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: left;
}

.qanda-question:hover {
  background: #8bc9e0;
}

.qanda-question[aria-expanded="true"] {
  background: #7cc4dd;
}

.qanda-q-label {
  font-size: clamp(1.125rem, 0.839rem + 1.43vw, 1.375rem);
  font-weight: 900;
  color: white;
  flex-shrink: 0;
}

.qanda-q-text {
  font-size: clamp(0.938rem, 0.795rem + 0.71vw, 1.063rem);
  font-weight: 700;
  color: #1a1a1a;
  flex: 1;
  line-height: 1.6;
}

.qanda-icon {
  font-size: clamp(1rem, 0.857rem + 0.71vw, 1.125rem);
  color: white;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.qanda-question[aria-expanded="true"] .qanda-icon {
  transform: rotate(180deg);
}

.qanda-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.qanda-answer.open {
  max-height: 500px;
}

.qanda-answer-content {
  padding: 1.5em;
  display: flex;
  gap: 0.8em;
  align-items: flex-start;
}

.qanda-a-label {
  font-size: clamp(1.125rem, 0.839rem + 1.43vw, 1.375rem);
  font-weight: 900;
  color: #a1a25e;
  flex-shrink: 0;
}

.qanda-answer-content p {
  font-size: clamp(0.875rem, 0.732rem + 0.71vw, 1rem);
  line-height: 1.8;
  color: #333;
  margin: 0;
  flex: 1;
  text-align: left;
}

/* =======================================
	release
======================================= */
.release-title {
  font-size: clamp(1rem, 0.429rem + 2.86vw, 1.5rem);
  font-weight: 900;
  color: #a1a25e;
  margin-bottom: 10px;
}

.release-spec {
  font-size: clamp(0.875rem, 0.589rem + 1.43vw, 1.125rem);
  font-weight: 400;
  color: #666;
  margin-bottom: 1em;
}

.release-text {
  margin: 1em auto 0;
}

.release-text-edition {
  font-size: clamp(1rem, 0.714rem + 1.43vw, 1.25rem);
  font-weight: 900;
  color: #a1a25e;
  margin-bottom: 10px;
}

.release-text-spec {
  font-size: clamp(0.813rem, 0.598rem + 1.07vw, 1rem);
  margin-bottom: 10px;
  line-height: 1.2;
}

.release-text-content {
  font-size: clamp(0.844rem, 0.737rem + 0.54vw, 0.938rem);
  color: #666;
  margin: 1em auto 0;
  text-align: left;
  line-height: 1.1;
}

.release-text-content-link {
  margin: 1em auto 0;
  text-align: center;
}

.release-text-content-link a {
  display: inline-block;
  color: white;
  background: #333;
  padding: 0.5em 1em;
  border-radius: 4px;
  text-decoration: none;
}

.release-text-content-indent {
  padding-left: 1em;
  text-indent: -1em;
}

.release-text-content-special {
  display: inline-block;
  color: white;
  background: #a1a25e;
  margin: 0.8em 0 0.3em;
  padding: 0.2em 0.5em;
  border-radius: 4px;
}

.swiper {
  width: 90%;
  margin: 0 auto;
}

.swiper-button-next {
  width: 7.2%;
  height: auto;
  margin-top: 0;
  position: absolute;
  top: clamp(5.75rem, -2.679rem + 42.14vw, 13.125rem);
  right: 1%;
  z-index: 10;
  cursor: pointer;
  color: #a1a25e;
  font-weight: 900;
}

.swiper-button-prev {
  width: 7.2%;
  height: auto;
  margin-top: 0;
  position: absolute;
  top: clamp(5.75rem, -2.679rem + 42.14vw, 13.125rem);
  left: 1%;
  z-index: 10;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #a1a25e;
  font-weight: 900;
}

/* =======================================
	footer
======================================= */
footer {
  background: #212121;
  margin: 10% auto 0;
  padding: 4% 0 4%;
}

footer .download {
  background: transparent;
  padding: 5% 0 3%;
}

footer .download-title {
  margin: 0 auto 5%;
}

.footer-logo {
  width: 24%;
  margin: 0 auto 5%;
}

.footer-copyright {
  width: 100%;
  margin: 0 auto;
  color: whitesmoke;
  font-size: 10px;
  font-family: "Oswald", sans-serif;
}

.foot-nav {
  width: 90%;
  margin: 0 auto 8%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 3%;
}

.foot-nav li a {
  width: 100%;
  display: block;
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  font-size: clamp(0.7rem, 0.129rem + 2.86vw, 1.2rem);
}

.foot-copytight {
  width: 100%;
  margin: 0 auto;
  font-size: clamp(0.55rem, 0.036rem + 2.57vw, 1rem);
}

/* =======================================
	buy-button
======================================= */
.buy-button {
  position: fixed;
  bottom: 3%;
  left: 0;
  right: 0;
  margin: auto;
  width: 90%;
  max-width: 540px;
  z-index: 100;
  transform: translateY(calc(100% + 8vh));
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.buy-button:hover {
  box-shadow: 0 6px 20px rgba(255, 65, 108, 0.6);
  transform: translateY(-2px);
}

.buy-button.show:hover {
  transform: translateY(-2px);
}

.buy-button a {
  color: white;
  background: linear-gradient(135deg, #ff416c 0%, #ff4b2b 100%);
  font-weight: bold;
  font-size: clamp(0.813rem, 0.598rem + 1.07vw, 1rem);
  padding: 1em 0;
  border-radius: 12px;
  text-align: center;
  display: block;
  width: 100%;
  height: 100%;
  text-decoration: none;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 15px rgba(255, 65, 108, 0.4);
}

.buy-button.show {
  transform: translateY(0);
}

.buy-button-banner {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24%;
}

@media screen and (min-width: 601px) {
  .pc {
    display: block;
  }
  .sp {
    display: none;
  }

  a,
  button,
  .modal__btn,
  .release-text-content-link a,
  .swiper-button-prev,
  .swiper-button-next {
    cursor: pointer;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
  }

  nav a:hover,
  .modal__btn:hover,
  .release-text-content-link a:hover,
  .swiper-button-prev:hover,
  .swiper-button-next:hover {
    -moz-opacity: 0.5;
    opacity: 0.5;
  }

  .pc-content {
    width: 600px;
    box-shadow: -4px 0 8px -2px rgba(0, 0, 0, 0.5),
      4px 0 8px -2px rgba(0, 0, 0, 0.5);
  }

  #news dl {
    grid-template-columns: auto 1fr;
    gap: 1em 1.5em;
    align-items: center;
  }

  #news dt {
    min-width: 100px;
    width: auto;
  }

  #news dd {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
  }

  .schedule-lineup {
    padding: 0.8em 0.5em;
  }

  .schedule-members {
    padding: 1em 0.6em;
  }

  .footer-logo {
    max-width: 100px;
    margin: 0 auto 20px;
  }
}

@media screen and (min-width: 601px) and (max-width: 1280px) {
  .wrapper {
    width: 100%;
    display: flex;
    justify-content: center;
  }

  .wrapper::before {
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    position: fixed;
    background: url("./kv_PC.jpg") center center no-repeat;
    background-size: cover;
  }
}

@media screen and (min-width: 1281px) {
  header {
    display: none;
  }

  .wrapper {
    width: 100%;
    display: flex;
  }

  .wrapper::before {
    display: none;
  }

  .pc-kv {
    position: relative;
    display: block;
    flex: 1;
  }

  .pc-kv::before {
    content: "";
    display: block;
    width: calc(100vw - 600px);
    height: 100%;
    position: fixed;
    background: #9fd3e9 url("./kv_PC.jpg") center top no-repeat;
    background-size: auto 100%;
  }

  .buy-button-pc {
    position: fixed;
    bottom: 3%;
    left: 0;
    width: calc(100vw - 640px);
    margin: 0 auto;
  }

  .buy-button-pc a {
    color: white;
    background: linear-gradient(135deg, #ff416c 0%, #ff4b2b 100%);
    font-weight: bold;
    font-size: 24px;
    padding: 0.8em 2em;
    border-radius: 12px;
    text-align: center;
    display: inline-block;
    width: auto;
    text-decoration: none;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 15px rgba(255, 65, 108, 0.4);
  }

  .buy-button-pc a:hover {
    box-shadow: 0 6px 20px rgba(255, 65, 108, 0.6);
    transform: translateY(-2px);
  }

  .buy-button-pc a.show:hover {
    transform: translateY(-2px);
  }

  .pc-content {
    margin: 0 0 0 auto;
    box-shadow: -4px 0 8px -2px rgba(0, 0, 0, 0.5);
  }

  .nav-menu {
    width: 50%;
    max-width: 600px;
    left: auto;
    right: 0;
  }

  .buy-button {
    display: none;
  }

  .attention-box p {
    line-height: 1.5;
  }

  footer {
    padding: 4% 0 4%;
  }

  .footer-logo {
    margin: 0 auto 10px;
  }
}