@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100..900&display=swap');
/* ================================
   Base
================================ */
:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f5f5f7;
  --color-text: #111111;
  --color-muted: #666666;
  --color-primary: #0066ff;
  --color-primary-orange: #ff7830;
  --color-primary-red: #da1315;
  --color-border: #e0e0e0;
  --color-beige: #fcf6f0;
  --color-footer-bg: #101010;
  --color-footer-text: #f5f5f5;
  --color-footer-link: #bbbbbb;

  --container-max-width: 1120px;
  --spacing-section: 56px;
  --border-radius: 1rem;
  --transition-base: 0.3s;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", "Helvetica Neue", "Helvetica", "Hiragino Sans", "Arial", "Yu Gothic", "Meiryo", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary-orange);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-primary-orange);
  opacity: 0.8;
}

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 16px;
}

.container-sm {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 48px;
}

@media (max-width: 736px) {
    .container-sm {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1rem;
  }
}

.center {
  text-align: center !important;
}

.bg-beige {
  background-color: var(--color-beige);
}

/* ================================
   Header (currently unused)
================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 56px;
}

.site-logo a {
  text-decoration: none;
  font-weight: 700;
  color: var(--color-text);
}

/* ================================
   Hero
================================ */
.hero {
  padding: 0;
}

.hero-inner {
  padding: 0;
}

.hero-only-image .hero-image-wrapper {
  width: 100%;
  border-radius: 0;
  overflow: hidden;
}

.hero-image {
  width: 100%;
  aspect-ratio: 1 / 1.4142;
  object-fit: cover;
  display: block;
  background: #000;
}

/* ================================
   Title
================================ */

.title-txt {
  display: block;
  font-size: 2rem;
  letter-spacing: 1px;
}

.title-underline {
  display: block;
  margin: 4px auto;
  width: 198px;
  height: 15px;
}

.line-box {
  padding: 4rem;
  border: 9px solid var(--color-primary-orange);
  border-radius: var(--border-radius);
  background-color: var(--color-bg);
}

@media (max-width: 736px) {
  .line-box {
    padding: 1.5rem 1.25rem;
    border-width: 5px;
  }

  .event-hr {
    margin: 2rem 0;
  }

  .line-box .btn_01 {
    margin-top: 2.5rem;
  }
}

.event-hr {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: 2.5rem 0;
}

.line-box .btn_01 {
  margin-top: 2rem;
}

.mb-4 {
  margin-bottom: 4rem !important;
}

/* ================================
   Sponsor Logos (currently unused)
================================ */
.sponsors {
  padding: var(--spacing-section) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-title {
  letter-spacing: 1px;
  margin-top: 0.5rem;
  margin-bottom: 4rem;
}

.section-lead {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--color-muted);
  margin: 0;
}

.sponsor-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.sponsor-item {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 12px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.sponsor-item img {
  max-height: 48px;
  object-fit: contain;
}

/* ================================
   Sections
================================ */
.section {
  padding: var(--spacing-section) 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

/* ================================
   Button
================================ */

.btn_01 {
  display: flex;
  align-items: center;
  max-width: 400px;
  margin: 0 auto;
  padding: 1.3rem 2rem;
  border: 3px solid var(--color-primary-orange);
  border-radius: 0.5rem;
  color: var(--color-primary-orange);
  background: var(--color-bg);
  text-decoration: none;
  transition: var(--transition-base);
}

.btn_01:hover {
  color: var(--color-bg);
  background-color: var(--color-primary-orange);
}

.btn_01 .b__text {
  display: block;
  flex-grow: 1;
  font-weight: bold;
  text-align: center;
  position: relative;
  padding-right: 15px;
  font-size: 23px;
}

.btn_01 .b__text::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  margin: auto;
  transform: rotate(45deg);
  border-top: 3px solid var(--color-primary-orange);
  border-right: 3px solid var(--color-primary-orange);
  box-sizing: border-box;
  width: 14px;
  height: 14px;
  transition: var(--transition-base);
}

.btn_01:hover .b__text::after {
  border-color: var(--color-bg);
}

@media (max-width: 1200px) {
  .btn_01 .b__text {
    font-size: 18px;
    padding-right: 20px;
  }

  .btn_01 .b__text::after {
    width: 12px;
    height: 12px;
  }
}

@media (max-width: 736px) {
  .btn_01 .b__text {
    font-size: 20px;
    padding-right: 20px;
  }

  .btn_01 .b__text::after {
    width: 10px;
    height: 10px;
  }
}

.btn-sns {
  display: block;
  width: 80px;
  height: 80px;
  padding: 0.25rem;
  border-radius: 50%;
  margin-top: -4px;
}

.btn-sns--x {
  margin: 0 auto;
  background: #000;
}

.btn-x img {
  display: block !important;
  max-width: 20px;
}

/* ================================
   Footer
================================ */
.site-footer {
  background: var(--color-footer-bg);
  padding: 24px 0;
  color: var(--color-footer-text);
  font-size: 12px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-copy {
  text-align: center;
  margin: 0 auto;
}

.footer-links a {
  color: var(--color-footer-link);
  text-decoration: none;
  transition: color var(--transition-base);
}

.footer-links a:hover {
  color: var(--color-footer-text);
}

/* ================================
   Event Schedule (グリッドカード)
================================ */
.event-schedule {
  margin-top: 2.5rem;
}

.event-schedule-heading {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin: 0 0 1.5rem;
  color: var(--color-text);
}

.event-schedule-scroller {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
  margin-bottom: 1rem;
}

.event-card {
  width: 100%;
  background: var(--color-bg);
  border: 3px solid var(--color-primary-red);
  border-radius: var(--border-radius);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.event-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(255, 120, 48, 0.2);
}

.event-card-header {
  background: var(--color-primary-red);
  padding: 1rem 1.5rem 0.75rem;
  color: var(--color-bg);
}

.event-badge {
  display: inline-block;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

.event-dates {
  font-size: 1rem;
  font-weight: 500;
  margin: 0;
  letter-spacing: 0.5px;
}

.event-card-body {
  padding: 1.25rem 1.5rem 1.5rem;
}

.event-shops-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 0.75rem 0;
  letter-spacing: 0.5px;
}

.event-shop-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem 0;
}

.event-shop-list li {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--color-muted);
  padding: 0.3rem 0;
  border-bottom: 1px solid var(--color-border);
  letter-spacing: 0.3px;
}

.event-shop-list li:last-child {
  border-bottom: none;
}

.event-collab {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-primary-red);
  margin: 1rem 0 0 0;
  padding-top: 0.75rem;
  border-top: 2px solid var(--color-primary-red);
  letter-spacing: 0.5px;
  line-height: 1.6;
}

.event-schedule-note {
  margin-top: 1.75rem;
  font-size: 0.9rem;
  color: var(--color-muted);
  text-align: center;
  letter-spacing: 0.3px;
  line-height: 1.8;
}

.event-schedule-note-left {
  margin-top: 1.75rem;
  font-size: 0.9rem;
  color: var(--color-muted);
  letter-spacing: 0.3px;
  line-height: 1.8;
}

@media (max-width: 736px) {
  .event-schedule {
    margin-top: 2rem;
  }

  .event-schedule-heading {
    font-size: 1.25rem;
    margin-bottom: 1.25rem;
  }

  .event-schedule-scroller {
    gap: 1rem;
  }

  .event-card-header {
    padding: 0.875rem 1.25rem 0.75rem;
  }

  .event-badge {
    font-size: 1.2rem;
  }

  .event-dates {
    font-size: 0.85rem;
  }

  .event-card-body {
    padding: 1.1rem 1.25rem 1.25rem;
  }

  .event-shops-title {
    font-size: 0.95rem;
  }

  .event-shop-list li {
    font-size: 1.2rem;
    font-weight: 500;
    padding: 0.25rem 0;
  }

  .event-collab {
    font-size: 1.2rem;
    margin-top: 0.9rem;
    padding-top: 0.7rem;
  }

  .event-schedule-note {
    font-size: 0.85rem;
    margin-top: 1.5rem;
  }

  .event-schedule-note-left {
    font-size: 0.85rem;
    margin-top: 1.5rem;
  }
}

@media (min-width: 960px) {
  .event-schedule-scroller {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ================================
   Responsive (Tablet/PC)
================================ */
@media (min-width: 768px) {
  .sponsor-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}