@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800;900&family=Quicksand:wght@400;500;600;700&display=swap');

:root {
  --pink: #ed9fc4;
  --pink-dark: #c96798;
  --pink-pale: #fff0f6;
  --mint: #c9f2e9;
  --mint-dark: #5caa9c;
  --lilac: #e9e6ff;
  --cream: #fff6e7;
  --ink: #39434d;
  --muted: #7f8994;
  --white: #ffffff;
  --line: #eee9ef;
  --shadow: 0 14px 45px rgba(116, 105, 126, 0.09);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  font-family: 'Nunito', sans-serif;
  color: var(--ink);
  background: #fffdfd;
  line-height: 1.7;
}

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

button, a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible, a:focus-visible, summary:focus-visible {
  outline: 3px solid var(--pink-dark);
  outline-offset: 4px;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 7%;
  background: rgba(255, 253, 253, 0.92);
  border-bottom: 1px solid rgba(238, 233, 239, 0.8);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: 2px;
}

.brand-icon {
  display: grid;
  place-items: center;
  width: 37px;
  height: 37px;
  border-radius: 13px;
  background: var(--pink-pale);
  color: var(--pink-dark);
  font-size: 1.4rem;
}

.brand-dot {
  color: var(--pink-dark);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 0.9rem;
  font-weight: 800;
}

.nav-links > a:not(.nav-join) {
  transition: color 0.2s;
}

.nav-links > a:not(.nav-join):hover {
  color: var(--pink-dark);
}

.nav-join {
  padding: 10px 18px;
  border-radius: 12px;
  background: var(--mint);
  transition: transform 0.2s, background 0.2s;
}

.nav-join:hover {
  transform: translateY(-2px);
  background: #b7eade;
}

.menu-toggle {
  display: none;
  border: 0;
  background: var(--pink-pale);
  color: var(--ink);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 1.3rem;
  cursor: pointer;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  align-items: center;
  gap: 6%;
  min-height: 610px;
  padding: 90px 9% 110px;
  overflow: hidden;
  background: linear-gradient(125deg, #e2faf5 0%, #f8f4ff 55%, #fff0f6 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 590px;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--pink-dark);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 2px;
}

.hero h1 {
  font-size: clamp(3.2rem, 6.5vw, 5.5rem);
  line-height: 1.08;
  letter-spacing: -3px;
  font-weight: 900;
}

.hero h1 span {
  color: var(--pink-dark);
}

.hero-content > p {
  max-width: 480px;
  margin-top: 23px;
  color: #697782;
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 21px;
  border-radius: 14px;
  font-size: 0.93rem;
  font-weight: 900;
  transition: transform 0.2s, box-shadow 0.2s;
}

.button:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.button-primary {
  background: var(--pink-dark);
  color: white;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid #f0e4ee;
}

.hero-note {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 25px;
  color: #75838c;
  font-size: 0.86rem;
}

.online-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #6dbda5;
  box-shadow: 0 0 0 4px rgba(109, 189, 165, 0.15);
}

.hero-decoration {
  position: absolute;
  color: rgba(201, 103, 152, 0.2);
  pointer-events: none;
}

.sakura-one {
  top: 40px;
  right: 9%;
  font-size: 5rem;
  animation: float 5s ease-in-out infinite;
}

.sakura-two {
  bottom: 45px;
  left: 4%;
  font-size: 3rem;
  animation: float 6s ease-in-out infinite reverse;
}

.hero-art {
  position: relative;
  min-height: 365px;
  overflow: hidden;
  border: 8px solid rgba(255, 255, 255, 0.7);
  border-radius: 180px 180px 30px 30px;
  background: linear-gradient(#bceee8 0%, #e7e6f8 56%, #f6d7e5 100%);
  box-shadow: 0 25px 70px rgba(100, 142, 148, 0.16);
  animation: float 7s ease-in-out infinite;
}

.art-sun {
  position: absolute;
  top: 48px;
  left: 50%;
  width: 115px;
  height: 115px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: #fff1cf;
}

.art-mountain {
  position: absolute;
  bottom: 85px;
  width: 0;
  height: 0;
  border-right: 210px solid transparent;
  border-bottom: 240px solid #b6d7d9;
  border-left: 210px solid transparent;
}

.mountain-back {
  left: -80px;
}

.mountain-front {
  right: -105px;
  border-right-width: 250px;
  border-bottom-color: #d7bad9;
  border-left-width: 250px;
}

.art-water {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 130px;
  background: linear-gradient(#9fded7, #d1eee5);
  clip-path: polygon(0 15%, 25% 28%, 48% 12%, 70% 24%, 100% 5%, 100% 100%, 0 100%);
}

.art-branch {
  position: absolute;
  top: 35%;
  left: 5%;
  color: #c96798;
  font-size: 1.5rem;
  letter-spacing: 6px;
  transform: rotate(-17deg);
}

.art-caption {
  position: absolute;
  right: 20px;
  bottom: 20px;
  left: 20px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  padding: 15px 18px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.68);
  backdrop-filter: blur(10px);
}

.art-caption span {
  font-weight: 900;
  letter-spacing: 2px;
}

.art-caption small {
  color: #77838c;
}

.scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  color: #89949a;
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 2px;
}

.section {
  max-width: 1160px;
  margin: auto;
  padding: 95px 28px;
}

.section-heading {
  max-width: 660px;
  margin: 0 auto 45px;
  text-align: center;
}

.section-heading h2,
.community-banner h2,
.join-section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.2;
  letter-spacing: -1px;
  font-weight: 900;
}

.section-heading > p {
  margin-top: 14px;
  color: var(--muted);
}

.interest-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.interest-card {
  min-height: 235px;
  padding: 25px 22px;
  border: 1px solid rgba(230, 225, 235, 0.7);
  border-radius: 23px;
  transition: transform 0.25s, box-shadow 0.25s;
}

.interest-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.pink-card { background: #fff0f6; }
.mint-card { background: #e5f9f4; }
.lilac-card { background: #f0edff; }
.cream-card { background: #fff5e5; }

.interest-icon {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.7);
  font-size: 1.5rem;
}

.interest-card h3,
.role-card h3,
.channel-item h3 {
  font-size: 1rem;
  font-weight: 900;
}

.interest-card p,
.role-card p,
.channel-item p {
  margin-top: 7px;
  color: #7c8791;
  font-size: 0.87rem;
  line-height: 1.65;
}

.community-banner {
  margin: 15px 7%;
  padding: 75px 25px;
  border: 1px solid #e5f0ee;
  border-radius: 32px;
  background: linear-gradient(120deg, #e0f7f2, #f4edff 70%, #fff0f6);
  text-align: center;
}

.community-banner h2 {
  margin: 0 auto;
}

.community-banner p {
  max-width: 560px;
  margin: 18px auto 25px;
  color: #77838c;
}

.role-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.role-card {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  padding: 21px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: white;
  transition: border-color 0.2s, transform 0.2s;
}

.role-card:hover {
  transform: translateY(-3px);
  border-color: #efbfd7;
}

.role-icon {
  display: grid;
  place-items: center;
  flex: 0 0 43px;
  height: 43px;
  border-radius: 14px;
  background: var(--pink-pale);
  font-size: 1.3rem;
}

.small-note {
  margin-top: 23px;
  color: #9199a1;
  font-size: 0.8rem;
  text-align: center;
}

.channels-section {
  max-width: 950px;
}

.channel-list {
  display: grid;
  gap: 12px;
}

.channel-item {
  display: flex;
  align-items: center;
  gap: 17px;
  padding: 17px 20px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: white;
  transition: transform 0.2s, background 0.2s;
}

.channel-item:hover {
  transform: translateX(4px);
  background: #fff9fc;
}

.channel-icon {
  display: grid;
  place-items: center;
  flex: 0 0 45px;
  height: 45px;
  border-radius: 14px;
  background: #f8edf6;
  font-size: 1.35rem;
}

.channel-tag {
  margin-left: auto;
  padding: 6px 10px;
  border-radius: 9px;
  background: #e5f8f2;
  color: #559e90;
  font-size: 0.65rem;
  font-weight: 900;
  letter-spacing: 0.6px;
}

.faq-section {
  max-width: 850px;
}

.faq-item {
  margin-bottom: 12px;
  padding: 19px 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: white;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 900;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  float: right;
  color: var(--pink-dark);
  font-size: 1.3rem;
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.93rem;
}

.join-section {
  margin: 0 7% 55px;
  padding: 75px 24px;
  border-radius: 32px;
  background: linear-gradient(130deg, #f5ddea, #d5f4ed);
  text-align: center;
}

.join-flower {
  margin-bottom: 14px;
  font-size: 2.5rem;
}

.join-section p {
  max-width: 550px;
  margin: 16px auto 25px;
  color: #737e89;
}

.button-light {
  background: white;
  color: #a74e7d;
  box-shadow: 0 8px 25px rgba(150, 107, 132, 0.1);
}

.join-section small {
  display: block;
  margin-top: 15px;
  color: #818994;
  font-size: 0.76rem;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 25px 7%;
  border-top: 1px solid var(--line);
}

.footer p,
.footer > a:last-child {
  color: var(--muted);
  font-size: 0.82rem;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

@media (max-width: 950px) {
  .navbar {
    padding-right: 5%;
    padding-left: 5%;
  }

  .nav-links {
    gap: 15px;
    font-size: 0.82rem;
  }

  .hero {
    padding-right: 6%;
    padding-left: 6%;
    gap: 4%;
  }

  .interest-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .role-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 700px) {
  .navbar {
    flex-wrap: wrap;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 4px;
    padding: 12px 0 5px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links > a {
    padding: 12px;
    border-radius: 10px;
  }

  .nav-links > a:not(.nav-join):hover {
    background: var(--pink-pale);
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 38px;
    padding: 65px 7% 85px;
  }

  .hero h1 {
    font-size: clamp(3rem, 12vw, 4.5rem);
  }

  .hero-art {
    width: min(100%, 390px);
    min-height: 330px;
    margin: auto;
  }

  .scroll-hint {
    font-size: 0.58rem;
    white-space: nowrap;
  }

  .section {
    padding: 70px 20px;
  }

  .community-banner,
  .join-section {
    margin-right: 5%;
    margin-left: 5%;
    padding: 55px 20px;
  }

  .role-grid {
    grid-template-columns: 1fr;
  }

  .footer {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 430px) {
  .interest-grid {
    grid-template-columns: 1fr;
  }

  .interest-card {
    min-height: auto;
  }

  .channel-item {
    gap: 11px;
    padding: 14px;
  }

  .channel-tag {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}