/* ============================
   Antigravity Tour 2026
   Design Tokens & Reset (Light Theme)
   ============================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700;900&family=Outfit:wght@400;700;900&display=swap');

:root {
  /* Colors - Light Theme (Festival Vibe) */
  --c-bg:        #ffffff;
  --c-bg-alt:    #f4f4f5; /* Off white for alternating sections */
  --c-bg-accent: #fff7ed; /* Very light orange for highlight sections */
  --c-surface:   #ffffff;
  --c-border:    #e4e4e7;
  --c-text:      #0f172a; /* Slate 900 (Deep Navy base for text) */
  --c-text-sub:  #475569; /* Slate 600 */
  
  --c-primary:   #1e3a8a; /* Deep Navy Blue */
  --c-primary-h: #1e40af; /* Slightly lighter navy for hover */
  --c-accent:    #ea580c; /* Deeper Orange for better contrast (Festival Vibe) */
  --c-accent-h:  #c2410c; /* Darker orange for hover */
  
  --c-confirmed: #16a34a; /* Green 600 */
  --c-pending:   #d97706; /* Amber 600 */
  --c-tbd:       #64748b; /* Slate 500 */
  --c-cohost:    #0284c7; /* Sky 600 */
  --c-warn:      #dc2626; /* Red 600 */

  /* Typography - Anti-Slop (High contrast weights 400 vs 900) */
  --ff-base: "Outfit", "Noto Sans JP", sans-serif;
  --fs-xs:   0.75rem;
  --fs-sm:   0.875rem;
  --fs-base: 1rem;
  --fs-lg:   1.25rem;
  --fs-xl:   1.75rem;
  --fs-2xl:  2.25rem;
  --fs-3xl:  3rem;

  /* Spacing */
  --sp-xs:  0.25rem;
  --sp-sm:  0.5rem;
  --sp-md:  1rem;
  --sp-lg:  1.5rem;
  --sp-xl:  2.5rem;
  --sp-2xl: 4rem;
  --sp-3xl: 6rem;

  /* Layout */
  --max-w: 1000px;
  --radius: 16px;
  --radius-sm: 8px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--ff-base);
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--c-text);
  background: var(--c-bg);
  /* Subtle noisy background pattern for slightly organic feel */
  background-image: radial-gradient(var(--c-border) 1px, transparent 1px);
  background-size: 20px 20px;
}

a { color: var(--c-accent); text-decoration: none; font-weight: 700; transition: color 0.2s; }
a:hover { color: var(--c-accent-h); }

ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-lg);
}

/* ============================
   Header / Navigation
   ============================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--c-border);
}

.nav {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--sp-sm) var(--sp-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-size: var(--fs-lg);
  font-weight: 900;
  color: var(--c-primary);
  letter-spacing: -0.02em;
}
.nav__logo:hover { color: var(--c-accent); }

.nav__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--sp-sm);
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-primary);
  transition: transform 0.3s, opacity 0.3s;
}

.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav__menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--c-surface);
  border-bottom: 2px solid var(--c-primary);
  padding: var(--sp-md) 0;
  box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.nav__menu.is-open { display: block; }

.nav__menu li a {
  display: block;
  padding: var(--sp-sm) var(--sp-lg);
  color: var(--c-text);
  font-size: var(--fs-base);
  font-weight: 700;
}
.nav__menu li a:hover { color: var(--c-accent); background: var(--c-bg-alt); }

@media (min-width: 768px) {
  .nav__toggle { display: none; }

  .nav__menu {
    display: flex !important;
    position: static;
    background: transparent;
    border: none;
    padding: 0;
    gap: var(--sp-md);
    box-shadow: none;
  }
  .nav__menu li a {
    padding: var(--sp-xs) var(--sp-sm);
    color: var(--c-text-sub);
  }
  .nav__menu li a:hover { color: var(--c-primary); background: transparent; }
}

/* ============================
   Hero
   ============================ */

.hero {
  padding: 8rem 0 4rem;
  background: linear-gradient(135deg, var(--c-bg) 0%, var(--c-bg-alt) 100%);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--c-accent) 0%, transparent 60%);
  opacity: 0.1;
  z-index: 0;
  border-radius: 50%;
}

.hero .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--sp-xl);
  position: relative;
  z-index: 1;
}

.hero__text {
  max-width: 800px;
}

.hero__label {
  display: inline-block;
  font-size: var(--fs-sm);
  font-weight: 900;
  color: var(--c-accent);
  letter-spacing: 0.1em;
  margin-bottom: var(--sp-md);
  text-transform: uppercase;
  background: var(--c-bg-accent);
  padding: 0.5rem 1rem;
  border-radius: 99px;
}

.hero__title {
  font-size: var(--fs-2xl);
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: var(--sp-lg);
  color: var(--c-primary);
  letter-spacing: -0.03em;
}

.hero__sub {
  font-size: var(--fs-lg);
  color: var(--c-text-sub);
  margin-bottom: var(--sp-lg);
  font-weight: 700;
}

.hero__image-wrap {
  width: 100%;
  max-width: 800px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.1);
  border: 4px solid var(--c-surface);
}

.hero__image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
}

@media (min-width: 768px) {
  .hero { padding: 10rem 0 6rem; }
  .hero__title { font-size: var(--fs-3xl); }
}

/* ============================
   Sections
   ============================ */

.section {
  padding: var(--sp-2xl) 0;
  position: relative;
}

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

.section--accent {
  background: var(--c-primary);
  color: #fff;
}
.section--accent .section__sub {
  color: rgba(255, 255, 255, 0.8);
}
.section--accent h2 {
  color: #fff;
}

.section__title {
  font-size: var(--fs-2xl);
  font-weight: 900;
  text-align: center;
  margin-bottom: var(--sp-sm);
  color: var(--c-primary);
  letter-spacing: -0.02em;
}

.section__sub {
  text-align: center;
  color: var(--c-text-sub);
  font-size: var(--fs-base);
  margin-bottom: var(--sp-2xl);
  font-weight: 700;
}

/* ============================
   Buttons
   ============================ */

.btn {
  display: inline-block;
  padding: 0.8rem 1.75rem;
  border-radius: 99px; /* Pill shaped for friendlier vibe */
  font-size: var(--fs-base);
  font-weight: 900;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  border: none;
  text-decoration: none;
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.btn:active { transform: scale(0.96); }

.btn--primary {
  background: var(--c-accent);
  color: #fff;
}
.btn--primary:hover {
  background: var(--c-accent-h);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 12px rgba(249, 115, 22, 0.2);
}

.btn--accent {
  background: var(--c-primary);
  color: #fff;
}
.btn--accent:hover {
  background: var(--c-primary-h);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 12px rgba(30, 58, 138, 0.2);
}

.btn--large {
  padding: 1.25rem 3rem;
  font-size: var(--fs-lg);
}

.btn--disabled {
  background: var(--c-border);
  color: var(--c-text-sub);
  cursor: not-allowed;
  box-shadow: none;
}
.btn--disabled:hover { transform: none; box-shadow: none; }

/* ============================
   Badges
   ============================ */

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 99px;
  font-size: var(--fs-xs);
  font-weight: 900;
  white-space: nowrap;
}

.badge--confirmed {
  background: #dcfce7;
  color: var(--c-confirmed);
}

.badge--pending {
  background: #fef3c7;
  color: var(--c-pending);
}

.badge--tbd {
  background: #f1f5f9;
  color: var(--c-tbd);
}

.badge--cohost {
  background: #e0f2fe;
  color: var(--c-cohost);
}

/* ============================
   About
   ============================ */

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-lg);
  margin-bottom: var(--sp-xl);
}

@media (min-width: 768px) {
  .about-grid { grid-template-columns: repeat(3, 1fr); }
}

.about-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: var(--sp-xl) var(--sp-lg);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
}

.about-card__icon {
  font-size: 3rem;
  margin-bottom: var(--sp-md);
  display: inline-block;
  background: var(--c-bg-accent);
  width: 80px;
  height: 80px;
  line-height: 80px;
  border-radius: 50%;
}

.about-card h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--sp-sm);
  font-weight: 900;
  color: var(--c-primary);
}

.about-card p {
  font-size: var(--fs-sm);
  color: var(--c-text-sub);
  line-height: 1.8;
  font-weight: 400;
}

.about-bring {
  background: var(--c-bg-accent);
  border-radius: var(--radius);
  padding: var(--sp-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.about-bring h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--sp-md);
  color: var(--c-accent);
  font-weight: 900;
}

.about-bring ul {
  list-style: none;
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--c-primary);
}

.about-bring li {
  margin-bottom: var(--sp-sm);
  display: flex;
  align-items: center;
}
.about-bring li::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 18px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ea580c' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  margin-right: 10px;
}

/* ============================
   Schedule Tabs (Grid) -> UX Update
   ============================ */

.schedule-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-md);
  margin-bottom: var(--sp-2xl);
}

@media (min-width: 600px) {
  .schedule-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 768px) {
  .schedule-grid { grid-template-columns: repeat(5, 1fr); }
}

.schedule-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-xs);
  padding: var(--sp-md);
  background: var(--c-surface);
  border: 2px solid var(--c-border);
  border-radius: var(--radius);
  cursor: pointer;
  text-align: center;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  font-family: inherit;
  color: inherit;
  width: 100%;
  position: relative;
}

.schedule-tab:hover {
  border-color: var(--c-primary);
  background: var(--c-bg-alt);
}

/* Active Tab State */
.schedule-tab.is-active {
  border-color: var(--c-accent);
  background: var(--c-bg-accent);
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.1);
  transform: translateY(-2px);
}

.schedule-tab.is-active::after {
  content: "";
  position: absolute;
  bottom: -11px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 10px 10px 0;
  border-style: solid;
  border-color: var(--c-accent) transparent transparent transparent;
  z-index: 10;
}

.schedule-tab__date {
  font-size: var(--fs-xs);
  color: var(--c-text-sub);
  font-weight: 700;
}

.schedule-tab__city {
  font-size: var(--fs-lg);
  font-weight: 900;
  color: var(--c-primary);
}

/* ============================
   Venue Details (Tab Content)
   ============================ */

.venue-container {
  position: relative;
  min-height: 400px;
}

.venue {
  display: none; /* hidden by default */
  grid-template-columns: 1fr;
  gap: 0;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
  animation: fadeIn 0.3s ease forwards;
}

/* Show active venue */
.venue.is-active {
  display: grid;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (min-width: 768px) {
  .venue {
    grid-template-columns: 350px 1fr;
  }
}

.venue__image-wrap {
  position: relative;
  min-height: 250px;
  background: var(--c-bg-alt);
}

.venue__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.venue__image-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 250px;
  background: var(--c-primary);
  color: #fff;
  font-size: var(--fs-2xl);
  font-weight: 900;
}

.venue__image-placeholder small {
  font-size: var(--fs-sm);
  font-weight: 400;
  margin-top: var(--sp-xs);
  opacity: 0.8;
}

.venue__info {
  padding: var(--sp-xl);
}

.venue__header {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  flex-wrap: wrap;
  margin-bottom: var(--sp-lg);
  padding-bottom: var(--sp-sm);
  border-bottom: 2px solid var(--c-bg-alt);
}

.venue__city {
  font-size: var(--fs-2xl);
  font-weight: 900;
  color: var(--c-primary);
}

.venue__details {
  margin-bottom: var(--sp-xl);
}

.venue__details > div {
  display: flex;
  flex-direction: column;
  padding: var(--sp-sm) 0;
  border-bottom: 1px solid var(--c-border);
  font-size: var(--fs-base);
}

@media (min-width: 600px) {
  .venue__details > div {
    flex-direction: row;
    gap: var(--sp-md);
  }
}

.venue__details dt {
  flex-shrink: 0;
  width: 6rem;
  color: var(--c-text-sub);
  font-weight: 700;
}

.venue__details dd {
  color: var(--c-text);
  font-weight: 700;
}

.venue__actions {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
  margin-bottom: var(--sp-md);
  flex-wrap: wrap;
}

@media (min-width: 600px) {
  .venue__actions { flex-direction: row; align-items: center; }
}

.venue__price-highlight {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--c-text);
  width: 100%;
  margin-bottom: var(--sp-xs);
}

.venue__price-highlight .badge {
  font-size: 0.85rem;
  font-weight: 900;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.venue__note {
  font-size: var(--fs-sm);
  color: var(--c-text-sub);
  margin-bottom: var(--sp-xs);
  font-weight: 700;
}

.venue__note--warn {
  color: var(--c-warn);
}

/* Secondary Party */
.venue__party {
  margin-top: var(--sp-xl);
  padding: var(--sp-lg);
  background: var(--c-bg-accent);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(249, 115, 22, 0.2);
  display: flex;
  flex-direction: column;
}

.venue__party-title {
  font-size: var(--fs-xl);
  font-weight: 900;
  margin-bottom: var(--sp-sm);
  color: var(--c-accent);
  display: flex;
  align-items: center;
}

/* ============================
   Donation
   ============================ */

.donation {
  text-align: center;
}

.donation__buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sp-md);
}

.donation__text {
  font-size: var(--fs-lg);
  color: rgba(255,255,255,0.9);
  line-height: 1.8;
  margin: var(--sp-xl) auto;
  max-width: 700px;
  font-weight: 700;
}

/* ============================
   Notes & FAQ
   ============================ */

.notes {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-lg);
}

@media (min-width: 768px) {
  .notes { grid-template-columns: repeat(2, 1fr); }
}

.notes__block {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: var(--sp-xl);
}

.notes__block h3 {
  font-size: var(--fs-lg);
  font-weight: 900;
  margin-bottom: var(--sp-md);
  color: var(--c-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.notes__block h3::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 20px;
  background: var(--c-accent);
  border-radius: 4px;
}

.notes__block ul {
  list-style: none;
}

.notes__block li {
  font-size: var(--fs-base);
  color: var(--c-text);
  margin-bottom: var(--sp-sm);
  line-height: 1.6;
  position: relative;
  padding-left: 1.5rem;
  font-weight: 400;
}
.notes__block li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--c-accent);
  font-size: 1.2rem;
  font-weight: 900;
}

.faq {
  max-width: 800px;
  margin: 0 auto;
}

.faq__item {
  border-bottom: 1px solid var(--c-border);
  background: var(--c-surface);
  margin-bottom: var(--sp-sm);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-lg);
  font-size: var(--fs-lg);
  font-weight: 900;
  cursor: pointer;
  color: var(--c-primary);
  list-style: none;
}

.faq__question::-webkit-details-marker { display: none; }

.faq__question::after {
  content: "+";
  font-size: var(--fs-xl);
  color: var(--c-accent);
  transition: transform 0.2s;
}

.faq__item[open] .faq__question::after {
  content: "-";
}

.faq__answer {
  padding: 0 var(--sp-lg) var(--sp-lg);
}

.faq__answer p {
  font-size: var(--fs-base);
  color: var(--c-text-sub);
  line-height: 1.8;
  font-weight: 700;
}

/* ============================
   Footer
   ============================ */

.footer {
  padding: var(--sp-2xl) 0;
  text-align: center;
  background: var(--c-bg-alt);
  border-top: 1px solid var(--c-border);
}

.footer__host {
  font-size: var(--fs-lg);
  font-weight: 900;
  color: var(--c-primary);
  margin-bottom: var(--sp-sm);
}

.footer__contact {
  font-size: var(--fs-base);
  color: var(--c-text-sub);
  margin-bottom: var(--sp-md);
  font-weight: 700;
}

.footer__copy {
  font-size: var(--fs-xs);
  color: var(--c-tbd);
  font-weight: 700;
}

/* ============================
   Co-Host Special Event Styling
   ============================ */

/* Tab: 共催イベントのタブに特別ラベル */
.schedule-tab--cohost {
  border-color: var(--c-cohost);
  background: #f0f9ff;
}

.schedule-tab--cohost:hover {
  border-color: var(--c-cohost);
  background: #e0f2fe;
}

.schedule-tab--cohost .schedule-tab__cohost-label {
  font-size: 0.65rem;
  font-weight: 900;
  color: var(--c-cohost);
  background: #e0f2fe;
  padding: 0.1rem 0.5rem;
  border-radius: 99px;
  letter-spacing: 0.05em;
}

.schedule-tab--cohost.is-active {
  border-color: var(--c-cohost);
  background: #e0f2fe;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.15);
}

.schedule-tab--cohost.is-active::after {
  border-color: var(--c-cohost) transparent transparent transparent;
}

/* Co-Host Profile Card */
.cohost-card {
  margin-top: var(--sp-xl);
  padding: var(--sp-xl);
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
  border: 2px solid var(--c-cohost);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.cohost-card::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, var(--c-cohost) 0%, transparent 70%);
  opacity: 0.1;
  border-radius: 50%;
}

.cohost-card__label {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 900;
  color: #fff;
  background: var(--c-cohost);
  padding: 0.3rem 0.8rem;
  border-radius: 99px;
  margin-bottom: var(--sp-md);
  letter-spacing: 0.05em;
}

.cohost-card__inner {
  display: flex;
  gap: var(--sp-lg);
  align-items: flex-start;
}

.cohost-card__icon {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--c-cohost);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.2);
}

.cohost-card__body {
  flex: 1;
  min-width: 0;
}

.cohost-card__name {
  font-size: var(--fs-lg);
  font-weight: 900;
  color: var(--c-primary);
  margin-bottom: var(--sp-xs);
  line-height: 1.4;
}

.cohost-card__title {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--c-cohost);
  margin-bottom: var(--sp-sm);
}

.cohost-card__bio {
  font-size: var(--fs-sm);
  color: var(--c-text-sub);
  line-height: 1.7;
  font-weight: 400;
}

.cohost-card__seminar {
  margin-top: var(--sp-md);
  padding: var(--sp-md);
  background: rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--c-cohost);
}

.cohost-card__seminar-label {
  font-size: var(--fs-xs);
  font-weight: 900;
  color: var(--c-cohost);
  margin-bottom: var(--sp-xs);
}

.cohost-card__seminar-title {
  font-size: var(--fs-base);
  font-weight: 900;
  color: var(--c-primary);
}

.cohost-card__seminar-desc {
  font-size: var(--fs-sm);
  color: var(--c-text-sub);
  margin-top: var(--sp-xs);
}

/* Mobile: stack icon above text */
@media (max-width: 599px) {
  .cohost-card__inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

/* ============================
   Donation Cards (Crowdfunding Style)
   ============================ */

.donation-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-md);
  margin-top: var(--sp-lg);
}

@media (min-width: 600px) {
  .donation-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .donation-cards { grid-template-columns: repeat(4, 1fr); }
}

.donation-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 16px;
  padding: var(--sp-lg) var(--sp-md);
  text-decoration: none;
  color: var(--c-text);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.donation-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);
}

.donation-card__icon {
  font-size: 2.5rem;
  line-height: 1;
  margin-bottom: var(--sp-sm);
}

.donation-card__title {
  font-family: var(--ff-heading);
  font-weight: 900;
  font-size: var(--fs-base);
  color: var(--c-primary);
  margin-bottom: var(--sp-xs);
}

.donation-card__price {
  font-family: var(--ff-heading);
  font-weight: 900;
  font-size: var(--fs-lg);
  color: var(--c-accent);
  margin-bottom: var(--sp-xs);
}

.donation-card__desc {
  font-size: var(--fs-sm);
  color: var(--c-text-sub);
  margin-bottom: var(--sp-md);
}

.donation-card__btn {
  display: inline-block;
  background: var(--c-primary);
  color: #fff;
  font-weight: 700;
  font-size: var(--fs-sm);
  padding: 0.5rem 1.5rem;
  border-radius: 8px;
  transition: background 0.2s ease;
}

.donation-card:hover .donation-card__btn {
  background: var(--c-primary-h);
}

/* ============================
   Thanks Page
   ============================ */

.thanks-page {
  padding-top: calc(var(--header-h) + var(--sp-xl));
  min-height: 80vh;
}

.thanks-hero {
  text-align: center;
  padding: var(--sp-xl) 0;
}

.thanks-hero__check {
  margin-bottom: var(--sp-md);
}

.thanks-hero__title {
  font-family: var(--ff-heading);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 900;
  color: var(--c-primary);
  margin-bottom: var(--sp-sm);
}

.thanks-hero__message {
  font-size: var(--fs-lg);
  color: var(--c-text);
  margin-bottom: var(--sp-sm);
}

.thanks-hero__sub {
  font-size: var(--fs-sm);
  color: var(--c-text-sub);
}

.thanks-donation {
  text-align: center;
  padding: var(--sp-xl) 0;
  border-top: 1px solid var(--c-border);
  margin-top: var(--sp-lg);
}

.thanks-donation__title {
  font-family: var(--ff-heading);
  font-size: var(--fs-xl);
  font-weight: 900;
  color: var(--c-primary);
  margin-bottom: var(--sp-sm);
}

.thanks-donation__text {
  font-size: var(--fs-base);
  color: var(--c-text-sub);
  line-height: 1.8;
  margin-bottom: var(--sp-md);
}

.thanks-back {
  text-align: center;
  padding: var(--sp-xl) 0;
}

/* ============================
   Legal Page
   ============================ */

.legal-page {
  padding-top: calc(var(--header-h) + var(--sp-xl));
  padding-bottom: var(--sp-xl);
}

.legal-section {
  margin-bottom: var(--sp-xl);
  padding-bottom: var(--sp-xl);
  border-bottom: 1px solid var(--c-border);
}

.legal-section:last-child {
  border-bottom: none;
}

.legal-section__title {
  font-family: var(--ff-heading);
  font-size: var(--fs-xl);
  font-weight: 900;
  color: var(--c-primary);
  margin-bottom: var(--sp-xs);
}

.legal-section__date {
  font-size: var(--fs-sm);
  color: var(--c-text-sub);
  margin-bottom: var(--sp-lg);
}

.legal-table {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.legal-table > div {
  display: flex;
  flex-direction: column;
  padding: var(--sp-sm) 0;
  border-bottom: 1px solid var(--c-border);
}

@media (min-width: 600px) {
  .legal-table > div {
    flex-direction: row;
  }
}

.legal-table dt {
  font-weight: 700;
  color: var(--c-text);
  min-width: 200px;
  flex-shrink: 0;
  margin-bottom: var(--sp-xs);
}

@media (min-width: 600px) {
  .legal-table dt {
    margin-bottom: 0;
  }
}

.legal-table dd {
  color: var(--c-text-sub);
  line-height: 1.7;
}

.legal-table dd ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin: 0;
}

.legal-table dd li {
  margin-bottom: 0.25rem;
}

.legal-content h2 {
  font-family: var(--ff-heading);
  font-size: var(--fs-lg);
  font-weight: 900;
  color: var(--c-text);
  margin-top: var(--sp-lg);
  margin-bottom: var(--sp-sm);
}

.legal-content p {
  color: var(--c-text-sub);
  line-height: 1.7;
  margin-bottom: var(--sp-sm);
}

.legal-content ul {
  list-style: disc;
  padding-left: 1.5rem;
  color: var(--c-text-sub);
  margin-bottom: var(--sp-sm);
}

.legal-content li {
  margin-bottom: 0.25rem;
  line-height: 1.7;
}

.legal-content a {
  color: var(--c-primary);
  text-decoration: underline;
}

/* ============================
   Footer Legal Links
   ============================ */

.footer__legal {
  font-size: var(--fs-xs);
  color: var(--c-text-sub);
  margin-bottom: var(--sp-xs);
}

.footer__legal a {
  color: var(--c-text-sub);
  text-decoration: underline;
  transition: color 0.2s ease;
}

.footer__legal a:hover {
  color: var(--c-text);
}