/* 複数のセクションで再利用する共通コンポーネント */
.brand-logo {
  display: block;
  width: 100%;
  height: auto;
}

.brand-spark {
  --spark-color: var(--color-brand-green);
  --spark-glow: rgb(18 175 104 / 24%);
  --spark-size: 1.5rem;

  position: relative;
  display: block;
  width: var(--spark-size);
  aspect-ratio: 1;
  background: var(--spark-color);
  clip-path: polygon(
    50% 0,
    59% 39%,
    100% 50%,
    59% 61%,
    50% 100%,
    41% 61%,
    0 50%,
    41% 39%
  );
  opacity: 0.82;
  filter: drop-shadow(0 0 0.8rem var(--spark-glow));
  transform: scale(0.94);
  transform-origin: center;
}

.brand-spark::after {
  position: absolute;
  inset: 30%;
  background: rgb(255 255 255 / 72%);
  clip-path: inherit;
  content: "";
  opacity: 0.72;
}

.brand-spark.is-twinkling {
  animation: brand-spark-twinkle 760ms ease-in-out both;
  will-change: filter, opacity, transform;
}

.brand-spark.is-twinkling::after {
  animation: brand-spark-core 760ms ease-in-out both;
}

.brand-spark--aqua {
  --spark-color: var(--color-brand-aqua);
  --spark-glow: rgb(92 182 182 / 30%);
}

.brand-spark--gold {
  --spark-color: var(--color-brand-gold);
  --spark-glow: var(--color-shine-glow);
}

.brand-spark--prism {
  --spark-color: var(--gradient-prism);
  --spark-glow: rgb(95 187 157 / 28%);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 var(--space-4, 1rem);
  color: var(--color-primary, #087a52);
  font-size: var(--font-size-sm, 0.875rem);
  font-weight: 750;
  letter-spacing: 0.04em;
}

.eyebrow::before {
  width: 1.05rem;
  height: 1.05rem;
  background: var(--color-brand-green, #12af68);
  clip-path: polygon(
    50% 0,
    60% 39%,
    100% 50%,
    60% 61%,
    50% 100%,
    40% 61%,
    0 50%,
    40% 39%
  );
  content: "";
  flex: 0 0 auto;
}

.eyebrow--light {
  color: #dff9eb;
}

.eyebrow--light::before {
  background: #8fd6a8;
}

.button {
  position: relative;
  display: inline-flex;
  min-height: 3.4rem;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.75rem 1.4rem;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: var(--radius-pill, 999px);
  font-size: var(--font-size-sm, 0.9rem);
  font-weight: 750;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition:
    transform var(--duration-fast, 180ms) var(--ease-standard, ease),
    box-shadow var(--duration-fast, 180ms) var(--ease-standard, ease),
    color var(--duration-fast, 180ms) var(--ease-standard, ease),
    background-color var(--duration-fast, 180ms) var(--ease-standard, ease);
}

.button:has(.button__arrow) {
  padding: 0.42rem 0.42rem 0.42rem 1.35rem;
  gap: 1rem;
}

.button__arrow {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  border-radius: 50%;
  background: rgb(255 255 255 / 16%);
  flex: 0 0 auto;
  font-size: 1rem;
  transition: transform var(--duration-fast, 180ms) var(--ease-standard, ease);
}

.button:hover .button__arrow {
  transform: translateX(0.12rem);
}

.button svg {
  width: 1.05rem;
  height: 1.05rem;
  transition: transform var(--duration-fast, 180ms) var(--ease-standard, ease);
}

.button:hover {
  transform: translateY(-1px);
}

.button:hover svg {
  transform: translateX(0.18rem);
}

.button--primary {
  background: var(--color-primary, #087a52);
  box-shadow: none;
  color: #fff;
}

.button--primary:hover {
  background: var(--color-primary-hover, #06663b);
  box-shadow: none;
  color: #fff;
}

.button--secondary {
  border-color: var(--color-line-strong, #bedfd0);
  background: rgb(255 255 255 / 78%);
  color: var(--color-primary, #087a52);
  backdrop-filter: blur(10px);
}

.button--secondary:hover {
  border-color: var(--color-brand-green, #12af68);
  background: #fff;
}

.button--secondary .button__arrow {
  background: var(--color-brand-green-soft, #e8f8ef);
}

.button--text,
.button--text:hover {
  border-color: transparent;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  color: var(--color-primary, #087a52);
}

.button--text:has(.button__arrow) {
  gap: 0.65rem;
  padding: 0.45rem 0.1rem;
}

.button--text::before {
  position: absolute;
  right: 3rem;
  bottom: 0.45rem;
  left: 0.1rem;
  height: 1px;
  background: currentColor;
  content: "";
  opacity: 0.35;
  transform: scaleX(0.35);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-emphasized);
}

.button--text:hover::before {
  transform: scaleX(1);
}

.button--text .button__arrow {
  width: 2.45rem;
  height: 2.45rem;
  border: 1px solid var(--color-line-strong);
  background: var(--color-surface);
}

.button--light {
  background: #fff;
  box-shadow: none;
  color: var(--color-primary, #087a52);
}

.button--line {
  border-color: #057a3f;
  background: #057a3f;
  color: #fff;
}

.button--line:hover {
  border-color: #046534;
  background: #046534;
  color: #fff;
}

.button--line:hover svg {
  transform: none;
}

.button--ghost {
  border-color: rgb(255 255 255 / 34%);
  color: #fff;
}

.button--ghost:hover {
  border-color: rgb(255 255 255 / 64%);
  background: rgb(255 255 255 / 8%);
  color: #fff;
}

.button--ghost .button__arrow {
  background: rgb(255 255 255 / 10%);
}

.button--wide {
  width: 100%;
}

.icon-badge {
  display: inline-grid;
  width: 3rem;
  height: 3rem;
  place-items: center;
  border-radius: var(--radius-md, 1rem);
  background: var(--color-brand-green-soft, #e8f8ef);
  color: var(--color-primary, #087a52);
}

.icon-badge svg {
  width: 1.45rem;
  height: 1.45rem;
}

.demo-note {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin: 0;
  padding: 0.8rem 1rem;
  border: 1px solid var(--color-line, #dcebe3);
  border-radius: var(--radius-sm, 0.75rem);
  background: var(--color-bg-soft, #f4faf7);
  color: var(--color-text-muted, #5e716a);
  font-size: var(--font-size-xs, 0.8rem);
  line-height: 1.65;
}

.demo-note svg {
  width: 1rem;
  height: 1rem;
  margin-top: 0.2rem;
  flex: 0 0 auto;
  color: var(--color-primary, #087a52);
}

@keyframes brand-spark-twinkle {
  0% {
    opacity: 0.82;
    transform: scale(0.94);
    filter: brightness(1) drop-shadow(0 0 0.8rem var(--spark-glow));
  }

  34% {
    opacity: 1;
    transform: scale(1);
    filter: brightness(1.08) drop-shadow(0 0 0.9rem var(--spark-glow));
  }

  52% {
    opacity: 1;
    transform: scale(1.18);
    filter:
      brightness(1.7)
      drop-shadow(0 0 0.28rem rgb(255 250 220 / 92%))
      drop-shadow(0 0 1.15rem var(--spark-glow));
  }

  72% {
    opacity: 0.9;
    transform: scale(0.98);
    filter: brightness(1.04) drop-shadow(0 0 0.82rem var(--spark-glow));
  }

  100% {
    opacity: 0.82;
    transform: scale(0.94);
    filter: brightness(1) drop-shadow(0 0 0.8rem var(--spark-glow));
  }
}

@keyframes brand-spark-core {
  0%,
  100% {
    opacity: 0.72;
    transform: scale(1);
  }

  52% {
    opacity: 1;
    transform: scale(1.65);
  }
}

.site-header {
  position: fixed;
  z-index: var(--z-header, 50);
  top: 0;
  right: 0;
  left: 0;
  padding: 0.85rem 0;
  border-bottom: 1px solid rgb(216 228 222 / 62%);
  background: rgb(255 255 255 / 90%);
  box-shadow: none;
  backdrop-filter: blur(16px);
  transition:
    padding var(--duration-normal, 260ms) var(--ease-standard, ease),
    background-color var(--duration-normal, 260ms) var(--ease-standard, ease),
    box-shadow var(--duration-normal, 260ms) var(--ease-standard, ease);
}

.site-header.is-scrolled {
  padding-block: 0.55rem;
  border-bottom: 1px solid rgb(220 235 227 / 80%);
  background: rgb(255 255 255 / 91%);
  box-shadow: 0 0.5rem 2rem rgb(32 54 47 / 7%);
  backdrop-filter: blur(16px);
}

.site-header__inner {
  position: relative;
  z-index: 2;
  display: flex;
  min-height: 4.5rem;
  align-items: center;
  gap: var(--space-8, 2rem);
}

.site-header__brand {
  position: relative;
  z-index: 2;
  display: block;
  width: clamp(9.25rem, 14vw, 11.25rem);
  margin-right: auto;
  flex: 0 0 auto;
}

.site-header__nav {
  display: flex;
  align-items: center;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header__nav a {
  color: var(--color-text, #20362f);
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
}

.site-header__nav a:hover {
  color: var(--color-primary, #087a52);
}

.site-header__cta {
  min-height: 3rem;
  padding-inline: 1.15rem;
}

.site-header__menu-button {
  position: relative;
  z-index: 2;
  display: none;
  width: 3rem;
  height: 3rem;
  padding: 0;
  border: 1px solid var(--color-line, #dcebe3);
  border-radius: 50%;
  background: #fff;
  color: var(--color-text, #20362f);
}

.site-header__menu-button-lines,
.site-header__menu-button-lines::before,
.site-header__menu-button-lines::after {
  display: block;
  width: 1.15rem;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  content: "";
  transition:
    transform var(--duration-fast, 180ms) var(--ease-standard, ease),
    opacity var(--duration-fast, 180ms) var(--ease-standard, ease),
    background-color var(--duration-fast, 180ms) var(--ease-standard, ease);
}

.site-header__menu-button-lines {
  position: relative;
  margin-inline: auto;
}

.site-header__menu-button-lines::before,
.site-header__menu-button-lines::after {
  position: absolute;
  left: 0;
}

.site-header__menu-button-lines::before {
  top: -0.36rem;
}

.site-header__menu-button-lines::after {
  top: 0.36rem;
}

.site-header__menu-button[aria-expanded="true"]
  .site-header__menu-button-lines {
  background: transparent;
}

.site-header__menu-button[aria-expanded="true"]
  .site-header__menu-button-lines::before {
  top: 0;
  transform: rotate(45deg);
}

.site-header__menu-button[aria-expanded="true"]
  .site-header__menu-button-lines::after {
  top: 0;
  transform: rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  z-index: 1;
  inset: 0;
  display: none;
  height: 100vh;
  height: 100dvh;
  align-content: start;
  gap: 2rem;
  padding: calc(var(--header-height) + 2rem) var(--container-gutter) 2rem;
  overflow-y: auto;
  background: #f7fbf8;
}

.mobile-menu__nav {
  display: grid;
  gap: 0.25rem;
  margin: 0 0 2rem;
  padding: 0;
  list-style: none;
}

.mobile-menu__nav a {
  display: flex;
  min-height: 3.7rem;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-line, #dcebe3);
  color: var(--color-text, #20362f);
  font-size: 1.05rem;
  font-weight: 700;
  text-decoration: none;
}

.mobile-action {
  position: fixed;
  z-index: var(--z-sticky, 40);
  right: 0.75rem;
  bottom: 0.75rem;
  left: 0.75rem;
  display: none;
}

.mobile-action__inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
}

.mobile-action .button {
  width: 100%;
  height: 3.4rem;
  min-width: 0;
  min-height: 3.4rem;
  padding: 0.65rem 0.75rem;
  box-shadow: 0 0.85rem 2.5rem rgb(7 77 53 / 28%);
  font-size: 0.85rem;
}

.mobile-action__contact {
  border-color: rgb(7 77 53 / 18%);
}

@media (max-width: 68rem) {
  .site-header__menu-button {
    display: block;
  }

  .site-header__nav,
  .site-header__cta {
    display: none;
  }

  .mobile-menu {
    display: grid;
    animation: menu-in var(--duration-normal) var(--ease-emphasized) both;
  }

  .mobile-menu .button {
    align-self: start;
  }
}

@media (max-width: 47.99rem) {
  .site-header {
    padding-block: 0.45rem;
  }

  .site-header__inner {
    min-height: 3.8rem;
  }

  .site-header__brand {
    width: 9.5rem;
  }

  .mobile-action {
    display: block;
  }

  body {
    padding-bottom: 4.8rem;
  }
}

@keyframes menu-in {
  from {
    opacity: 0;
    transform: translateY(-0.5rem);
  }
}