:root {
  --black: #101010;
  --paper: #fff7e2;
  --blue: #2e63ff;
  --red: #ff3a3a;
  --green: #16a05d;
  --yellow: #ffe04b;
  --pink: #ff79bb;
  --purple: #7a4dff;
  --ink: #161616;
  --font-round: "M PLUS Rounded 1c", system-ui, sans-serif;
  --font-display: "Bebas Neue", "M PLUS Rounded 1c", sans-serif;
  --font-serif: "Noto Serif JP", serif;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: #050505;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-round);
  letter-spacing: 0;
  background: #050505;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  justify-content: center;
  background: #0b0b0b;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100%, 750px);
  height: 58px;
  padding: 0 18px;
}

.fc-logo {
  color: rgba(255, 255, 255, 0.66);
  font-family: var(--font-serif);
  font-size: 12px;
  font-weight: 700;
  line-height: 0.9;
}

.site-header button {
  min-width: 132px;
  height: 31px;
  color: #fff;
  font-size: 12px;
  font-weight: 900;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 999px;
}

.page {
  width: min(100%, 750px);
  margin: 0 auto;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    radial-gradient(circle at 20% 10%, rgba(255, 224, 75, 0.28), transparent 280px),
    radial-gradient(circle at 85% 24%, rgba(255, 121, 187, 0.26), transparent 320px),
    var(--paper);
  background-size: 34px 34px, 34px 34px, auto, auto, auto;
  box-shadow: 0 0 48px rgba(0, 0, 0, 0.44);
}

.hero {
  position: relative;
  min-height: calc(100svh - 58px);
  padding: 76px 20px 48px;
  color: var(--ink);
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.4), transparent 45%),
    radial-gradient(circle at 50% 52%, rgba(255, 255, 255, 0.78), transparent 220px);
}

.ticker {
  position: absolute;
  left: 0;
  display: flex;
  width: 200%;
  overflow: hidden;
  color: #fff;
  font-family: var(--font-display);
  font-size: 32px;
  white-space: nowrap;
  background: var(--black);
  transform: rotate(-3deg);
}

.ticker span {
  padding-right: 24px;
  animation: ticker 19s linear infinite;
}

.ticker-top {
  top: 20px;
}

.hero__stage {
  position: relative;
  z-index: 2;
  display: grid;
  justify-items: center;
  padding-top: 74px;
}

.switch-board {
  position: relative;
  width: min(100%, 370px);
  height: 168px;
  margin-bottom: 16px;
}

.switch {
  position: absolute;
  min-width: 126px;
  height: 46px;
  color: #fff;
  font-size: 16px;
  font-weight: 900;
  cursor: pointer;
  border: 3px solid var(--ink);
  border-radius: 999px;
  box-shadow: 6px 7px 0 var(--ink);
  transition: transform 0.24s ease, box-shadow 0.24s ease;
}

.switch:hover,
.switch.is-on {
  transform: translate(5px, 6px);
  box-shadow: 1px 1px 0 var(--ink);
}

.switch-a {
  top: 18px;
  left: 16px;
  background: var(--blue);
  transform: rotate(-7deg);
}

.switch-b {
  top: 10px;
  right: 18px;
  background: var(--red);
  transform: rotate(6deg);
}

.switch-c {
  bottom: 18px;
  left: 34px;
  background: var(--green);
  transform: rotate(5deg);
}

.switch-d {
  right: 4px;
  bottom: 28px;
  color: var(--ink);
  background: var(--yellow);
  transform: rotate(-8deg);
}

h1 {
  display: grid;
  justify-items: center;
  margin: 0;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  padding: 4px 12px;
  color: #fff;
  font-family: var(--font-display);
  font-size: 34px;
  line-height: 0.95;
  background: var(--blue);
  border: 3px solid var(--ink);
  transform: rotate(-3deg);
  box-shadow: 5px 6px 0 var(--red);
}

.title-line,
.title-hit {
  font-size: clamp(55px, 13vw, 104px);
  font-weight: 900;
  line-height: 0.92;
  letter-spacing: 0;
}

.title-line {
  margin-top: 28px;
}

.title-hit {
  color: var(--red);
  text-shadow: 5px 5px 0 var(--yellow), 9px 9px 0 var(--ink);
}

.hero-copy {
  margin: 30px 0 0;
  font-size: 16px;
  font-weight: 900;
}

.hero-cta,
.post-card button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 220px;
  height: 48px;
  margin-top: 22px;
  color: #fff;
  font-weight: 900;
  background: var(--ink);
  border: 3px solid var(--ink);
  border-radius: 999px;
  box-shadow: 6px 6px 0 var(--yellow);
}

.sticker-cloud {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.sticker {
  position: absolute;
  display: grid;
  place-items: center;
  min-width: 72px;
  height: 42px;
  padding: 0 12px;
  color: #fff;
  font-family: var(--font-display);
  font-size: 28px;
  background: var(--ink);
  border: 3px solid var(--ink);
  box-shadow: 5px 5px 0 var(--yellow);
}

.sticker-1 { top: 18%; left: 5%; transform: rotate(9deg); }
.sticker-2 { top: 29%; right: 5%; background: var(--purple); transform: rotate(-8deg); }
.sticker-3 { bottom: 20%; left: 8%; background: var(--red); transform: rotate(-6deg); }
.sticker-4 { right: 8%; bottom: 14%; color: var(--ink); background: var(--yellow); transform: rotate(7deg); }
.sticker-5 { top: 63%; right: 20%; background: var(--green); transform: rotate(5deg); }

.concept,
.members,
.finder,
.name-showcase,
.post-section {
  padding: 68px 22px;
}

.concept {
  margin: 0 20px;
  background: #fff;
  border: 3px solid var(--ink);
  box-shadow: 8px 8px 0 var(--ink);
}

.concept h2,
.section-head h2,
.post-card h2 {
  margin: 0;
  font-size: clamp(34px, 8vw, 58px);
  font-weight: 900;
  line-height: 1.16;
}

.concept p {
  margin: 18px 0 0;
  font-size: 15px;
  font-weight: 700;
  line-height: 2;
}

.section-head {
  margin-bottom: 30px;
  text-align: center;
}

.section-head p,
.post-kicker {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 26px;
}

.member-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.member-card {
  position: relative;
  min-height: 306px;
  perspective: 900px;
}

.card-face,
.card-back {
  position: absolute;
  inset: 0;
  display: grid;
  align-content: start;
  width: 100%;
  min-height: 306px;
  padding: 20px;
  text-align: left;
  border: 3px solid var(--ink);
  border-radius: 8px;
  box-shadow: 7px 7px 0 var(--ink);
  transition: transform 0.55s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  backface-visibility: hidden;
}

.card-face {
  color: var(--ink);
  cursor: pointer;
  background: var(--tone);
}

.card-back {
  color: #fff;
  background: var(--ink);
  transform: rotateY(180deg);
}

.member-card.is-flipped .card-face {
  transform: rotateY(180deg);
}

.member-card.is-flipped .card-back {
  transform: rotateY(360deg);
}

.tone-blue { --tone: #b9d5ff; }
.tone-red { --tone: #ffb4b4; }
.tone-green { --tone: #b8f0cf; }
.tone-yellow { --tone: #ffe97a; }

.tag {
  width: fit-content;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 900;
  background: #fff;
  border: 2px solid var(--ink);
  border-radius: 999px;
}

.member-card h3 {
  margin: 18px 0 0;
  font-size: clamp(32px, 8vw, 54px);
  font-weight: 900;
  line-height: 1;
}

.blog-name {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: 25px;
  line-height: 1;
}

.blog-name.long {
  font-size: 18px;
  line-height: 1.25;
}

.lead {
  margin: 18px 0 0;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.8;
}

.card-back p {
  margin: 0 0 18px;
  color: var(--yellow);
  font-size: 14px;
  font-weight: 900;
}

.card-back strong {
  font-size: 26px;
  line-height: 1.4;
}

.mood-panel {
  color: #fff;
  background: var(--ink);
  border: 3px solid var(--ink);
  box-shadow: 8px 8px 0 var(--red);
}

.mood-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  padding: 14px;
}

.mood-tabs button {
  min-height: 54px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
  cursor: pointer;
  background: #fff;
  border: 2px solid #fff;
  border-radius: 999px;
}

.mood-tabs button.is-active,
.mood-tabs button:hover {
  background: var(--yellow);
}

.mood-result {
  padding: 28px 24px 32px;
  text-align: center;
}

.mood-result span {
  color: var(--yellow);
  font-family: var(--font-display);
  font-size: 30px;
}

.mood-result h3 {
  margin: 8px 0 0;
  font-size: clamp(38px, 9vw, 68px);
  font-weight: 900;
}

.mood-result p {
  margin: 14px auto 0;
  max-width: 420px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.8;
}

.mood-result a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  height: 42px;
  margin-top: 18px;
  color: var(--ink);
  font-weight: 900;
  background: var(--yellow);
  border-radius: 999px;
}

.name-wall {
  display: grid;
  gap: 12px;
}

.name-wall span {
  display: block;
  padding: 16px 18px;
  color: #fff;
  font-family: var(--font-display);
  font-size: clamp(27px, 8vw, 62px);
  line-height: 0.95;
  background: var(--ink);
  border: 3px solid var(--ink);
  box-shadow: 6px 6px 0 var(--yellow);
}

.name-wall .name-b { background: var(--blue); }
.name-wall .name-c { background: var(--red); }
.name-wall .name-d { background: var(--green); }
.name-wall .name-e {
  color: var(--ink);
  font-family: var(--font-round);
  font-size: clamp(17px, 4vw, 30px);
  font-weight: 900;
  line-height: 1.35;
  background: var(--yellow);
}

.post-card {
  padding: 28px 24px;
  color: #fff;
  text-align: center;
  background: var(--purple);
  border: 3px solid var(--ink);
  box-shadow: 8px 8px 0 var(--ink);
}

.fake-input {
  margin: 22px auto 0;
  padding: 16px;
  color: var(--ink);
  font-weight: 900;
  background: #fff;
  border: 3px solid var(--ink);
}

.footer {
  padding: 50px 20px 42px;
  color: #fff;
  text-align: center;
  background: var(--ink);
}

.footer a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 150px;
  height: 42px;
  color: var(--ink);
  font-weight: 900;
  background: var(--yellow);
  border-radius: 999px;
}

.footer p {
  margin: 18px 0 0;
  font-size: 12px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}

@keyframes ticker {
  to {
    transform: translateX(-50%);
  }
}

@media (max-width: 640px) {
  .member-grid,
  .mood-tabs {
    grid-template-columns: 1fr;
  }

  .sticker {
    display: none;
  }

  .hero {
    padding-inline: 16px;
  }
}