:root {
  --ink: #2b2622;
  --muted: #5e534c;
  --paper: #f6f1e8;
  --plain: #fffdf9;
  --pink: #c41762;
  --pink-deep: #9d104e;
  --line: #e6d9cc;
  --cheer: #b4233a;
  --aid: #9a4e12;
  --create: #1d4f91;
  --focus: #e59ab8;
  --header: 5.4rem;
  --wrap: 72rem;
  --font: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  --mincho: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --latin: Outfit, "Noto Sans JP", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.9;
}

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

a {
  color: var(--pink-deep);
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 0;
  transform: translateY(-120%);
  background: var(--ink);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 50;
}

.skip-link:focus {
  transform: none;
}

.wrap {
  width: min(var(--wrap), calc(100% - 3rem));
  margin-inline: auto;
}

.latin {
  font-family: var(--latin);
  letter-spacing: 0.12em;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(246, 241, 232, 0.94);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(12px);
}

.header-bar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: var(--header);
}

.brand {
  display: flex;
  flex-direction: column;
  min-width: 0;
  color: inherit;
  text-decoration: none;
  line-height: 1.15;
}

.brand-kana,
.footer-brand .brand-kana {
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.42em;
}

.brand-name {
  font-family: var(--mincho);
  font-size: 1.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.brand-en {
  color: var(--muted);
  font-size: 0.62rem;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  margin-left: auto;
}

.site-nav a,
.header-join {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
}

.site-nav a:hover,
.header-join:hover {
  color: var(--pink);
}

.nav-join {
  display: none;
}

.header-join,
.btn,
.map-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.45rem 1.05rem;
  border: 1px solid var(--pink);
  background: var(--pink);
  color: #fff;
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease;
}

.header-join {
  border-radius: 999px;
  min-height: 2.4rem;
  font-size: 0.88rem;
}

.header-join:hover,
.btn-primary:hover,
.map-link:hover {
  background: var(--pink-deep);
  border-color: var(--pink-deep);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--pink-deep);
}

.btn-secondary:hover {
  background: #fff;
  color: var(--pink-deep);
}

.menu-toggle {
  display: none;
  flex: none;
  margin-left: auto;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--line);
  background: var(--plain);
  font: inherit;
  white-space: nowrap;
  cursor: pointer;
}

.menu-bars,
.menu-bars::before,
.menu-bars::after {
  display: block;
  width: 1.05rem;
  height: 2px;
  background: var(--ink);
  position: relative;
}

.menu-bars::before,
.menu-bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.menu-bars::before {
  top: -6px;
}

.menu-bars::after {
  top: 6px;
}

.side-rail {
  position: fixed;
  right: 0;
  top: 38%;
  z-index: 18;
  writing-mode: vertical-rl;
  padding: 1.1rem 0.7rem;
  background: var(--plain);
  border: 1px solid var(--line);
  border-right: 0;
  color: var(--pink-deep);
  font-weight: 700;
  letter-spacing: 0.22em;
  text-decoration: none;
}

.hero {
  overflow: hidden;
}

.hero-grid {
  display: block;
}

.hero-copy {
  max-width: 40rem;
  padding: 2.5rem 0 3.5rem;
}

.kicker {
  margin: 0 0 1rem;
  color: var(--pink);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.3;
  letter-spacing: 0.04em;
  text-wrap: balance;
}

h1 {
  margin: 0;
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  font-weight: 900;
}

.hero-lead {
  margin: 1.2rem 0 0.8rem;
  font-size: 1.25rem;
  font-weight: 700;
}

.hero-lead span {
  margin: 0 0.15rem;
  color: var(--pink);
  font-size: 1.7rem;
}

.declaration {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.35rem 0.75rem;
  background: var(--pink);
  color: #fff;
  font-weight: 700;
}

.hero-note {
  max-width: 34rem;
  margin: 0 0 1.2rem;
  color: var(--muted);
}

.text-link {
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.text-link:hover {
  color: var(--pink);
}

.scroll-cue {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 2.5rem 0 0;
  color: var(--muted);
  font-family: var(--latin);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
}

.scroll-cue span {
  width: 1px;
  height: 2.4rem;
  background: var(--ink);
}

.section {
  padding: 5rem 0;
}

.section-plain {
  background: var(--plain);
}

.section-heading .index {
  margin: 0;
  color: var(--pink);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-heading h2 {
  margin: 0.2rem 0 1.2rem;
  font-family: var(--mincho);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 600;
}

.greeting-grid,
.profile-grid,
.join-grid {
  display: grid;
  grid-template-columns: minmax(16rem, 0.8fr) minmax(0, 1.2fr);
  gap: 3rem;
  align-items: start;
}

.formal {
  margin: 0;
}

.formal img {
  width: 100%;
  box-shadow: 0 18px 40px rgba(80, 40, 30, 0.08);
}

.pull {
  margin: 0 0 1.2rem;
  font-family: var(--mincho);
  font-size: clamp(1.35rem, 2vw, 1.7rem);
  font-weight: 600;
  line-height: 1.6;
}

.prose p,
.profile-body p,
.support-card p {
  margin: 0 0 1rem;
}

.emphasis {
  font-weight: 700;
}

.policies {
  list-style: none;
  margin: 0;
  padding: 0;
}

.policies > li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  align-items: center;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
}

.policy-mark {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.policies > li:last-child {
  border-bottom: 1px solid var(--line);
}

.policy-no {
  margin: 0;
  font-family: var(--mincho);
  font-size: 2.4rem;
  color: var(--pink);
  line-height: 1;
}

.policies h3 {
  margin: 0 0 0.4rem;
  font-size: 1.25rem;
}

.policies ul {
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
}

.policies ul li {
  display: block;
  padding: 0;
  border: 0;
  line-height: 1.7;
}

.policies ul li + li {
  margin-top: 0.15rem;
}

.stamp {
  display: grid;
  place-items: center;
  flex: none;
  width: 3.6rem;
  height: 3.6rem;
  margin: 0;
  border-radius: 50%;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.stamp-cheer { background: var(--cheer); }
.stamp-aid { background: var(--aid); }
.stamp-create { background: var(--create); }

.profile-name {
  margin: 0 0 0.8rem;
  font-family: var(--mincho);
  font-size: 1.8rem;
}

.profile-name span,
.kana-inline {
  margin-left: 0.4rem;
  color: var(--muted);
  font-family: var(--font);
  font-size: 0.95rem;
  letter-spacing: 0.12em;
}

.role-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.role-list li {
  padding: 0.15rem 0.6rem;
  border: 1px solid var(--line);
  background: var(--plain);
  font-size: 0.9rem;
}

.facts {
  margin: 0 0 1.2rem;
}

.facts div {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 0.8rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--line);
}

.facts div:last-child {
  border-bottom: 1px solid var(--line);
}

.facts dt {
  font-weight: 700;
}

.facts dd {
  margin: 0;
}

.favorites {
  display: grid;
  gap: 0.25rem;
  color: var(--muted);
}

.gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.gallery figure,
.qr-grid figure {
  margin: 0;
}

.gallery img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  object-position: center;
  background: #efe7dc;
}

.gallery figcaption,
.qr-grid figcaption {
  margin-top: 0.6rem;
  font-weight: 700;
}

.accounts-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.72fr);
  gap: 1.25rem 2.5rem;
  align-items: center;
}

.support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.support-card,
.join-form,
.join-success {
  padding: 1.4rem;
  background: var(--plain);
  border: 1px solid var(--line);
}

.support-card h3,
.join-success h3,
.rules-title {
  margin: 0 0 0.5rem;
  font-family: var(--mincho);
  font-size: 1.35rem;
  font-weight: 600;
}

.qr-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  align-items: start;
}

.qr-grid img {
  width: 100%;
  background: #fff;
  border: 1px solid var(--line);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.span-2 {
  grid-column: 1 / -1;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.field label {
  font-weight: 700;
  font-size: 0.92rem;
}

input[type="text"],
input[type="tel"] {
  width: 100%;
  min-height: 3rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid #ddcfc3;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

input[aria-invalid="true"] {
  border-color: var(--cheer);
}

.field-error {
  margin: 0;
  color: var(--cheer);
  font-size: 0.9rem;
  font-weight: 700;
}

.error-summary {
  margin-bottom: 1rem;
  padding: 0.9rem 1rem;
  background: #fff1f3;
  border: 1px solid #f3b7c1;
}

.error-summary p {
  margin: 0 0 0.35rem;
  font-weight: 700;
}

.error-summary ul {
  margin: 0;
  padding-left: 1.2rem;
}

.introducers {
  margin: 1.3rem 0;
  padding: 0;
  border: 0;
}

.introducers legend {
  font-family: var(--mincho);
  font-size: 1.15rem;
  font-weight: 600;
}

.hint {
  margin: 0.2rem 0 0.8rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.introducer-card {
  margin-bottom: 0.8rem;
  padding: 0.9rem;
  background: var(--paper);
}

.introducer-card h3 {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 0 0.7rem;
  font-size: 1rem;
}

.text-button {
  border: 0;
  background: none;
  color: var(--pink-deep);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  text-decoration: underline;
  min-height: 2.75rem;
}

.check-field {
  flex-direction: row;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 0.65rem;
  margin-bottom: 1rem;
}

.check-field input {
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.45rem;
  accent-color: var(--pink);
}

.check-field label {
  font-weight: 500;
}

.check-field .field-error {
  flex-basis: 100%;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.application-text {
  margin: 1rem 0;
  padding: 0.9rem;
  overflow: auto;
  background: var(--paper);
  white-space: pre-wrap;
  font-family: var(--font);
  line-height: 1.7;
}

.rules {
  max-width: 44rem;
  margin: 0;
  padding-left: 1.3rem;
}

.rules li + li {
  margin-top: 0.45rem;
}

.site-footer {
  background: var(--pink);
  color: #fff;
}

.footer-band {
  display: grid;
  grid-template-columns: 16rem 1fr;
  gap: 2rem;
  padding: 3rem 0 2rem;
}

.footer-name {
  margin: 0.15rem 0;
  font-family: var(--mincho);
  font-size: 2rem;
}

.footer-en,
.footer-brand .brand-kana {
  color: #ffe4ee;
}

.footer-office {
  margin: 0 0 0.4rem;
  font-weight: 700;
}

.site-footer address {
  margin: 0;
  font-style: normal;
}

.site-footer a {
  color: #fff;
}

.map-link {
  margin-top: 0.8rem;
  border-radius: 999px;
  border-color: #fff;
  background: transparent;
  color: #fff;
}

.map-link:hover {
  background: #fff;
  color: var(--pink-deep);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.8rem;
  padding-bottom: 1.5rem;
  font-size: 0.92rem;
}

.footer-nav a {
  text-decoration: none;
}

.footer-nav a:hover {
  text-decoration: underline;
}

.copyright {
  margin: 0;
  padding: 1rem;
  background: var(--paper);
  color: var(--muted);
  text-align: center;
  font-size: 0.75rem;
  text-transform: uppercase;
}

section[id] {
  scroll-margin-top: calc(var(--header) + 0.6rem);
}

@media (max-width: 980px) {
  .menu-toggle {
    display: inline-flex;
  }

  .header-join {
    display: none;
  }

  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: 0.3rem 1.25rem 1rem;
    background: var(--plain);
    border-bottom: 1px solid var(--line);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-join {
    display: block;
    margin-top: 0.4rem;
    color: var(--pink-deep);
    font-weight: 700;
  }

  .side-rail {
    display: none;
  }

  .greeting-grid,
  .profile-grid,
  .join-grid,
  .accounts-layout,
  .footer-band {
    grid-template-columns: 1fr;
  }

  .qr-grid {
    max-width: 28rem;
    margin-inline: auto;
  }

  .formal {
    max-width: 22rem;
  }

  .hero-copy {
    padding-bottom: 1rem;
  }

  #greeting {
    padding-top: 0.75rem;
  }

  .scroll-cue {
    display: none;
  }
}

@media (max-width: 640px) {
  .wrap {
    width: min(var(--wrap), calc(100% - 1.5rem));
  }

  .form-grid,
  .gallery,
  .facts div {
    grid-template-columns: 1fr;
  }

  .qr-grid {
    grid-template-columns: 1fr 1fr;
    max-width: 22rem;
  }

  .stamp {
    width: 3.2rem;
    height: 3.2rem;
    font-size: 0.85rem;
  }

  .section {
    padding: 3.2rem 0;
  }

  .scroll-cue {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}