/* 1211 Co., Ltd. — shared presentation layer */
:root {
  --m-bg: #fdfcf8;
  --m-text-main: #343938;
  --m-text-muted: #5e6664;
  --m-accent: #567674;
  --m-accent-dark: #48615f;
  --m-card-bg: rgba(255, 255, 255, 0.86);
  --glass-border: rgba(255, 255, 255, 0.72);
  --field-bg: #f2f4f2;
  --error: #994661;
}

html {
  scroll-padding-top: 7rem;
}

body {
  overflow-x: clip;
  color: var(--m-text-main);
  background-color: var(--m-bg);
  background-image: radial-gradient(#dfe5e2 0.8px, transparent 0.8px);
  background-size: 24px 24px;
  font-family: "Noto Sans JP", sans-serif;
}

html[lang="zh-Hans"] body {
  font-family: "Noto Sans SC", "Noto Sans JP", sans-serif;
}

h1,
h2,
h3,
.en-font {
  font-family: "Montserrat", "Noto Sans JP", sans-serif;
}

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

::selection {
  color: #fff;
  background: var(--m-accent);
}

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

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.65rem 1rem;
  color: #fff;
  background: var(--m-text-main);
  border-radius: 999px;
  transform: translateY(-180%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.glass {
  background: var(--m-card-bg);
  border: 1px solid var(--glass-border);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.soft-shadow {
  box-shadow: 0 14px 38px -22px rgba(52, 57, 56, 0.24);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.soft-shadow:hover {
  box-shadow: 0 24px 50px -24px rgba(72, 97, 95, 0.32);
  transform: translateY(-4px);
}

.transition-smooth {
  transition: all 0.3s ease;
}

html.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.5, 0, 0, 1), transform 0.7s cubic-bezier(0.5, 0, 0, 1);
}

html.js .reveal.active {
  opacity: 1;
  transform: translateY(0);
}

#mobile-menu {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transition: max-height 0.35s ease, opacity 0.25s ease, visibility 0.25s ease;
}

#mobile-menu.open {
  max-height: 32rem;
  opacity: 1;
  visibility: visible;
}

.menu-icon line {
  transition: transform 0.3s ease, opacity 0.2s ease;
  transform-origin: center;
}

.menu-open .line-1 {
  transform: rotate(45deg) translateY(6px);
}

.menu-open .line-2 {
  opacity: 0;
}

.menu-open .line-3 {
  transform: rotate(-45deg) translateY(-6px);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.25rem;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(86, 118, 116, 0.35);
  border-radius: 999px;
}

.lang-switch button {
  min-width: 2.5rem;
  padding: 0.38rem 0.58rem;
  color: var(--m-text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: 999px;
  transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.lang-switch button.active {
  color: #fff;
  background: var(--m-accent);
  box-shadow: 0 7px 16px rgba(72, 97, 95, 0.2);
}

@keyframes blob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(26px, -36px) scale(1.08); }
  66% { transform: translate(-18px, 18px) scale(0.94); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.animate-blob {
  animation: blob 8s infinite;
}

.animation-delay-2000 {
  animation-delay: 2s;
}

.animate-float {
  animation: float 7s ease-in-out infinite;
}

.hero-logo-panel {
  box-shadow: 0 34px 70px -34px rgba(52, 57, 56, 0.58);
  background: rgba(255, 255, 255, 0.94);
}

.trust-card {
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(86, 118, 116, 0.25);
  border-radius: 1.5rem;
  box-shadow: 0 14px 34px -22px rgba(52, 57, 56, 0.25);
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.38rem 0.75rem;
  color: var(--m-accent-dark);
  background: rgba(86, 118, 116, 0.13);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.credential-thumb {
  display: block;
  width: 100%;
  margin-top: 1.25rem;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(86, 118, 116, 0.26);
  border-radius: 1rem;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.credential-thumb:hover {
  box-shadow: 0 16px 34px -20px rgba(0, 0, 0, 0.3);
  transform: translateY(-2px);
}

.credential-thumb img {
  width: 100%;
  height: 10rem;
  object-fit: cover;
  object-position: center;
}

.timeline-item {
  position: relative;
  padding-left: 2.5rem;
}

.timeline-item::before {
  position: absolute;
  top: 0.5rem;
  left: 0;
  width: 0.75rem;
  height: 0.75rem;
  content: "";
  background: var(--m-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(86, 118, 116, 0.12);
}

.timeline-item::after {
  position: absolute;
  top: 1.5rem;
  left: 0.34rem;
  width: 2px;
  height: calc(100% - 1rem);
  content: "";
  background: linear-gradient(to bottom, var(--m-accent), transparent);
}

.timeline-item:last-child::after {
  display: none;
}

.form-field {
  width: 100%;
  padding: 0.75rem 1rem;
  color: var(--m-text-main);
  background: var(--field-bg);
  border: 1px solid transparent;
  border-radius: 0.8rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.form-field:hover {
  background: #edf1ee;
}

.form-field:focus {
  background: #fff;
  border-color: var(--m-accent);
  outline: none;
  box-shadow: 0 0 0 3px rgba(86, 118, 116, 0.18);
}

.form-field:user-invalid {
  border-color: var(--error);
}

.toast {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 1000;
  max-width: min(24rem, calc(100vw - 3rem));
  padding: 0.85rem 1.4rem;
  color: #fff;
  pointer-events: none;
  background: var(--m-text-main);
  border-radius: 999px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.16);
  opacity: 0;
  transform: translateY(-18px) scale(0.96);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.toast.error {
  background: var(--error);
}

.modal[hidden] {
  display: none;
}

.modal {
  display: flex;
}

.modal-image {
  transform: scale(0.96);
  transition: transform 0.22s ease;
}

.modal.is-open .modal-image {
  transform: scale(1);
}

.legal-copy h2 {
  margin-top: 2.4rem;
  margin-bottom: 0.8rem;
  color: var(--m-text-main);
  font-size: 1.25rem;
  font-weight: 700;
}

.legal-copy p,
.legal-copy li {
  color: var(--m-text-muted);
  line-height: 1.9;
}

.legal-copy ul {
  padding-left: 1.25rem;
  list-style: disc;
}

@media (max-width: 767px) {
  html[lang="ja"] [data-i18n="hero.line2"] {
    font-size: clamp(1.45rem, 7.2vw, 1.875rem);
    white-space: nowrap;
  }
}

@media (max-width: 639px) {
  .toast {
    top: auto;
    right: 1rem;
    bottom: 1rem;
    left: 1rem;
    max-width: none;
    text-align: center;
    border-radius: 1rem;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html.js .reveal {
    opacity: 1;
    transform: none;
  }

  .soft-shadow:hover,
  .credential-thumb:hover {
    transform: none;
  }
}