:root {
  --ink: #3d342c;
  --muted: #4a443e;
  --line: #f0e4d6;
  --bg: #fff7ef;
  --wash: #ffe9d6;
  --cream: #fff3e8;
  --paper: #fffdf9;
  --orange: #ff7a59;
  --orange-2: #ff8f6b;
  --teal: #5ec4b0;
  --purple: #c89be8;
  --ok: #5bb58a;
  --gold: #ffc85c;
  --pink: #ff9bb8;
  --sky: #8ec8f0;
  --max: 1120px;
  --radius-card: 24px;
  --shadow: 0 12px 28px rgba(255, 122, 89, 0.12);
  --display: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Hiragino Sans", sans-serif;
  --serif: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", sans-serif;
  --sans: "Zen Maru Gothic", "Hiragino Sans", "Noto Sans JP", sans-serif;
}

html,
body,
body.is-home {
  background:
    radial-gradient(900px 380px at 8% -8%, rgba(255, 155, 184, 0.28), transparent 55%),
    radial-gradient(800px 360px at 100% 0%, rgba(255, 200, 92, 0.28), transparent 50%),
    radial-gradient(700px 300px at 50% 100%, rgba(94, 196, 176, 0.16), transparent 50%),
    var(--bg);
  background-size: 130% 120%, 125% 125%, 120% 130%, auto;
  background-repeat: no-repeat;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
}

body.is-home {
  animation: sky-drift 22s ease-in-out infinite alternate;
}

.site-header,
body.is-home .site-header {
  background: rgba(255, 253, 249, 0.88);
  border-bottom: 0;
  backdrop-filter: blur(16px);
  box-shadow: 0 8px 24px rgba(255, 122, 89, 0.06);
}

.brand-promo {
  color: var(--orange);
  animation: promo-bounce 2.8s ease-in-out infinite;
}

.header-progress {
  background: #fff;
  border: 2px solid #ffe0d0;
  border-radius: 999px;
  padding: 6px 12px;
}

.header-progress-bar {
  height: 8px;
  border-radius: 999px;
  background: #ffe8dc;
}

.member-chip {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  background: #fff;
  border: 2px solid #ffe1cf;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 800;
  color: var(--ink);
  max-width: 9em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.member-hello {
  margin: 0 0 8px;
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 800;
  color: #c44520;
  letter-spacing: 0.02em;
}

.member-form label {
  display: block;
  font-weight: 800;
  margin-bottom: 8px;
}

.member-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.member-row input {
  flex: 1 1 160px;
  min-width: 0;
  border: 2px solid #ffe1cf;
  border-radius: 12px;
  padding: 10px 12px;
  font: inherit;
}

.header-progress-bar > i {
  background: linear-gradient(90deg, #ff9bb8, #ff7a59, #ffc85c);
  animation: bar-shine 1.8s ease-in-out infinite;
}

.nav-toggle{
  background: linear-gradient(180deg, #ff9a7a, #ff7a59);
  color: #fff;
  border-radius: 999px;
  box-shadow: 0 6px 0 #e86648;
}

.site-nav {
  border-top: 0;
  gap: 8px 10px;
  padding-bottom: 10px;
}

.site-nav a {
  border-bottom: 0;
  border-radius: 999px;
  padding: 7px 12px;
  background: #fff;
  color: #6b5d52;
  box-shadow: 0 3px 0 #f3ddd0;
}

.site-nav a.active,
.site-nav a:hover {
  background: var(--ink);
  color: #fff8ef;
  border-bottom-color: transparent;
  transform: translateY(-2px);
}

.home-catalog{
  margin: 28px 0;
}

.route {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  align-items: stretch;
}

.route-card {
  display: block;
  flex: 1;
  min-width: 0;
  text-decoration: none;
  background: #fff;
  border-radius: 22px;
  padding: 14px 10px;
  box-shadow: var(--shadow);
  text-align: center;
}

.route-card:hover { transform: translateY(-6px) scale(1.03); }

.studio{ display: none !important; }

.page { background: transparent; padding-top: 8px; }

.section-head h2 {
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: 0;
  font-size: 22px;
}

.class-card {
  border: 0;
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 10px 0 #f3ddd0;
  overflow: hidden;
  position: relative;
}

.class-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 0 #f3ddd0;
}

.class-card.is-complete::after {
  content: "できた！";
  position: absolute;
  right: 10px;
  top: 10px;
  background: #5bb58a;
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  border-radius: 999px;
  padding: 3px 8px;
  animation: pop-soft 1.8s ease-in-out infinite;
}

.class-card .cover { border-radius: 18px; }

.btn,
.primary,
.btn-orange {
  background: linear-gradient(180deg, #ff9a7a, #ff7a59);
  border-radius: 999px;
  box-shadow: 0 5px 0 #e86648;
  color: #fff;
}

.btn-dark,
.ghost {
  background: #fff;
  color: var(--ink);
  border: 2px solid #3d342c;
  border-radius: 999px;
  outline: 0;
}

.course-overview {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.course-lead {
  overflow: hidden;
  padding: 20px;
  align-items: start;
}

.course-lead .pic {
  margin: 10px 0 12px;
}

.course-lead:hover {
  transform: none;
  box-shadow: 0 10px 0 #f3ddd0;
}

.course-lead .cta-row {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.course-overview > .card {
  margin-top: 4px;
}

@media (max-width: 900px) {
  .course-lead {
    grid-template-columns: 1fr !important;
    padding: 16px !important;
    align-items: start !important;
  }

  .course-lead .cover {
    width: 96px;
    height: 72px !important;
    min-height: 72px !important;
  }
}

.mark-read {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 20px 0 12px;
  padding: 12px 14px;
  background: #fffdf9;
  border: 2px solid #ffe1cf;
  border-radius: 16px;
  box-shadow: 0 4px 0 #f3ddd0;
}

.mark-read-stamp {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 2px dashed #e8d5c8;
  background: #fff;
  font-size: 22px;
  filter: grayscale(1);
  opacity: 0.4;
}

.mark-read.is-inked .mark-read-stamp {
  border-style: solid;
  border-color: #c44520;
  background: #ff7a59;
  color: #fff;
  filter: none;
  opacity: 1;
  box-shadow: 0 0 0 4px rgba(255, 122, 89, 0.22);
  animation: stamp-in 0.45s ease;
}

.mark-read-copy {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.mark-read-note {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  color: #6b5d52;
}

.mark-read.is-inked .mark-read-note {
  color: #c44520;
}

.mark-read .primary {
  width: fit-content;
}

.sidebar a.active {
  background: #fff3e8;
  color: var(--orange);
  border-radius: 12px;
}

.cheer {
  background: #ff7a59;
  border-radius: 999px;
  font-size: 16px;
}

.cheer-burst {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 60;
  overflow: hidden;
}

.cheer-burst i {
  position: absolute;
  left: var(--x);
  top: 55%;
  font-size: 18px;
  animation: burst 1.2s ease-out forwards;
}

.site-footer {
  background: #3d342c;
  border-radius: 32px 32px 0 0;
}

.page-in .route-card,
.page-in .class-card{
  animation: rise-fun 0.6s ease both;
}

.page-in .class-card:nth-child(2){ animation-delay: .06s; }
.page-in .class-card:nth-child(3){ animation-delay: .12s; }
.page-in .class-card:nth-child(n+4){ animation-delay: .18s; }

@keyframes rise-fun {
  from { opacity: 0; transform: translateY(18px) scale(0.96); }
  to { opacity: 1; transform: none; }
}
@keyframes blob-float {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(16px, 12px) scale(1.08); }
}
@keyframes blob-drift-a {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(48px, 22px) scale(1.12); }
  50% { transform: translate(18px, 54px) scale(0.96); }
  75% { transform: translate(-36px, 28px) scale(1.08); }
}
@keyframes blob-drift-b {
  0%, 100% { transform: translate(0, 0) scale(1.04); }
  25% { transform: translate(-40px, 30px) scale(0.92); }
  50% { transform: translate(-12px, -24px) scale(1.14); }
  75% { transform: translate(32px, 16px) scale(1); }
}
@keyframes blob-drift-c {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(28px, -36px) scale(1.16); }
  66% { transform: translate(-22px, 20px) scale(0.9); }
}
@keyframes sky-drift {
  from {
    background-position: 0% 0%, 100% 0%, 50% 100%, 0 0;
  }
  to {
    background-position: 14% 10%, 86% 8%, 42% 88%, 0 0;
  }
}
@keyframes sticker-spin {
  0%, 100% { transform: rotate(-8deg) translateY(0); }
  50% { transform: rotate(10deg) translateY(-8px); }
}
@keyframes promo-bounce {
  0%, 100% { transform: none; }
  50% { transform: translateY(-2px); }
}
@keyframes bar-shine {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.15); }
}
@keyframes board-pop {
  from { transform: scale(0.94); opacity: 0; }
  to { transform: none; opacity: 1; }
}
@keyframes ring-pulse {
  0%, 100% { stroke-width: 9; }
  50% { stroke-width: 11; }
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@keyframes stamp-in {
  0% { transform: scale(1.2) rotate(-12deg); }
  100% { transform: none; }
}
@keyframes wiggle {
  0%, 100% { transform: rotate(-1deg); }
  50% { transform: rotate(2deg); }
}
@keyframes hop {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(6px); }
}
@keyframes pop-soft {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}
@keyframes burst {
  to { transform: translate(var(--dx), -180px) rotate(180deg); opacity: 0; }
}

@media (max-width: 900px) {
  .route,
.course-grid{
    grid-template-columns: 1fr;
  }
  
  .route {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: 16px;
    gap: 12px;
    padding: 6px 4px 14px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    touch-action: pan-x;
  }
  .route::-webkit-scrollbar {
    display: none;
  }
  .route-card {
    flex: 0 0 min(78%, 280px);
    scroll-snap-align: center;
  }
  
  
  
  
  .header-progress { display: none; }
  
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}