.iy-site-shell {
  --iy-ink: #172026;
  --iy-muted: #5c6873;
  --iy-red: #d71920;
  --iy-serif: "Shippori Mincho", "Noto Serif JP", serif;
  --iy-sans: Inter, "Noto Sans JP", system-ui, sans-serif;
  color: var(--iy-ink);
  font-family: var(--iy-sans);
  line-height: 1.75;
}

.iy-site-shell,
.iy-site-shell * {
  box-sizing: border-box;
}

.iy-site-shell a {
  color: inherit;
}

.iy-site-shell img {
  display: block;
  max-width: 100%;
}

.iy-site-shell p,
.iy-site-shell h2,
.iy-site-shell address {
  margin: 0;
}

.iy-site-shell-offset {
  height: 76px;
}

.iy-site-shell .site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 9990;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  height: 76px;
  min-height: 76px;
  padding: 12px 28px;
  border-bottom: 1px solid rgba(215, 25, 32, 0.12);
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 10px 30px rgba(23, 32, 38, 0.08);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
}

.iy-site-shell .brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 150px;
  min-width: 150px;
  text-decoration: none;
}

.iy-site-shell .brand img {
  width: 142px;
  height: auto;
  object-fit: contain;
}

.iy-site-shell .site-nav {
  display: flex;
  width: 100%;
  justify-content: flex-end;
  gap: clamp(16px, 1.8vw, 28px);
  color: #111;
  font-size: clamp(0.82rem, 0.92vw, 0.98rem);
  font-weight: 400;
  line-height: 1.75;
  white-space: nowrap;
}

.iy-site-shell .site-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.iy-site-shell .site-nav a:hover {
  color: var(--iy-red);
}

.iy-site-shell .site-nav > a:last-child,
.iy-site-shell .site-nav > a:last-child:hover {
  min-height: 38px;
  padding: 0 14px;
  background: #06c755;
  color: #fff;
  font-weight: 700;
}

.iy-site-shell .site-nav__treatment {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.iy-site-shell .site-nav__treatment summary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  color: #111;
  font-weight: 400;
  cursor: pointer;
  list-style: none;
}

.iy-site-shell .site-nav__treatment summary::-webkit-details-marker,
.iy-site-shell .floating-actions__menu summary::-webkit-details-marker {
  display: none;
}

.iy-site-shell .site-nav__treatment summary::after {
  margin-left: 7px;
  color: #111;
  font-size: 0.8rem;
  font-weight: 900;
  line-height: 1;
  content: "▼";
}

.iy-site-shell .site-nav__treatment summary:hover,
.iy-site-shell .site-nav__treatment summary:hover::after {
  color: var(--iy-red);
}

.iy-site-shell .site-nav__treatment-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  z-index: 10020;
  display: grid;
  min-width: 190px;
  overflow: hidden;
  border: 1px solid #f3c3c6;
  border-radius: 0;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 18px 40px rgba(23, 32, 38, 0.16);
  transform: translateX(-50%);
}

.iy-site-shell .site-nav__treatment-menu a {
  justify-content: flex-start;
  min-height: 46px;
  padding: 0 18px;
  border-bottom: 1px solid #f8dcde;
  color: var(--iy-ink);
  font-size: 0.94rem;
  font-weight: 700;
  text-align: left;
}

.iy-site-shell .site-nav__treatment-menu a:last-child {
  border-bottom: 0;
}

.iy-site-shell .site-nav__treatment-menu a:hover {
  background: #fff8f8;
  color: var(--iy-red);
}

.iy-site-shell .floating-actions {
  position: fixed;
  top: 92px;
  right: 18px;
  z-index: 10010;
  display: none;
  align-items: flex-start;
  gap: 8px;
  font-family: var(--iy-sans);
}

.iy-site-shell .floating-actions__reserve,
.iy-site-shell .floating-actions__menu summary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 1px solid currentColor;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 28px rgba(23, 32, 38, 0.12);
  text-decoration: none;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.iy-site-shell .floating-actions__reserve {
  gap: 7px;
  padding: 0 18px;
  border-color: #06c755;
  background: #06c755;
  color: #fff;
  font-size: 0.94rem;
  font-weight: 700;
}

.iy-site-shell .floating-actions__menu {
  position: relative;
}

.iy-site-shell .floating-actions__menu summary {
  gap: 6px;
  padding: 0 16px;
  color: var(--iy-red);
  font-size: 0.94rem;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.iy-site-shell .floating-actions__hamburger {
  position: relative;
  display: block;
  width: 18px;
  height: 14px;
  border-top: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
}

.iy-site-shell .floating-actions__hamburger::before {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  content: "";
  transform: translateY(-50%);
}

.iy-site-shell .floating-actions__menu nav {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  display: grid;
  width: min(300px, calc(100vw - 28px));
  overflow: hidden;
  border: 1px solid #f3c3c6;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 18px 40px rgba(23, 32, 38, 0.18);
}

.iy-site-shell .floating-actions__menu nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 17px;
  border-bottom: 1px solid #f8dcde;
  color: var(--iy-ink);
  font-size: 0.94rem;
  font-weight: 400;
  text-decoration: none;
}

.iy-site-shell .floating-actions__menu nav > a:last-child {
  border-bottom: 0;
}

.iy-site-shell .floating-actions__menu nav a::before {
  color: var(--iy-red);
  font-family: var(--iy-serif);
  content: "›";
}

.iy-site-shell .floating-actions__treatment {
  display: grid;
  gap: 0;
  border-bottom: 1px solid #f8dcde;
  background: #fff8f8;
}

.iy-site-shell .floating-actions__treatment p {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 17px;
  color: var(--iy-ink);
  font-size: 0.94rem;
  font-weight: 400;
}

.iy-site-shell .floating-actions__treatment p::before {
  color: var(--iy-red);
  font-family: var(--iy-serif);
  content: "›";
}

.iy-site-shell .floating-actions__treatment div {
  display: grid;
}

.iy-site-shell .floating-actions__menu nav .floating-actions__treatment a {
  min-height: 42px;
  padding-left: 34px;
  background: #fff;
  color: var(--iy-red);
  font-weight: 700;
}

.iy-site-shell .floating-actions__menu nav .floating-actions__treatment a::before {
  content: none;
}

.iy-site-shell .site-footer {
  padding: 58px 0 22px;
  border-top: 1px solid #f3c3c6;
  background: #fff;
  color: var(--iy-muted);
  font-family: var(--iy-sans);
  font-size: 0.94rem;
  line-height: 1.75;
}

.iy-site-shell .site-footer__inner {
  display: grid;
  grid-template-columns: minmax(260px, 0.86fr) minmax(0, 1.14fr);
  gap: 72px;
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
  align-items: start;
}

.iy-site-shell .site-footer__brand {
  display: grid;
  gap: 14px;
}

.iy-site-shell .site-footer__brand img {
  width: 180px;
  height: auto;
}

.iy-site-shell .site-footer__brand p {
  color: var(--iy-red);
  font-family: var(--iy-serif);
  font-size: 1.45rem;
  font-weight: 900;
  line-height: 1.35;
}

.iy-site-shell .site-footer__brand address,
.iy-site-shell .site-footer__brand span {
  color: var(--iy-muted);
  font-style: normal;
  line-height: 1.8;
}

.iy-site-shell .site-footer__brand address {
  white-space: pre-line;
}

.iy-site-shell .site-footer__nav h2 {
  padding-bottom: 16px;
  border-bottom: 1px solid #f3c3c6;
  color: var(--iy-red);
  font-family: var(--iy-serif);
  font-size: 1.62rem;
  font-weight: 900;
  line-height: 1.3;
}

.iy-site-shell .site-footer__nav-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 44px;
}

.iy-site-shell .site-footer__nav ul {
  display: grid;
  gap: 0;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}

.iy-site-shell .site-footer__nav li {
  margin: 0;
  padding: 0;
  border-bottom: 1px solid #f7d9db;
  list-style: none;
}

.iy-site-shell .site-footer__nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  color: var(--iy-ink);
  font-weight: 400;
  text-decoration: none;
  transition: color 0.2s ease;
}

.iy-site-shell .site-footer__nav a::before {
  color: var(--iy-red);
  font-family: var(--iy-serif);
  font-size: 1.12rem;
  line-height: 1;
  content: "›";
}

.iy-site-shell .site-footer__nav a:hover {
  color: var(--iy-red);
}

.iy-site-shell .site-footer__treatment {
  padding-bottom: 10px !important;
}

.iy-site-shell .site-footer__treatment p {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  color: var(--iy-ink);
  font-weight: 400;
}

.iy-site-shell .site-footer__treatment p::before {
  color: var(--iy-red);
  font-family: var(--iy-serif);
  font-size: 1.12rem;
  line-height: 1;
  content: "›";
}

.iy-site-shell .site-footer__treatment div {
  display: grid;
  padding-left: 24px;
}

.iy-site-shell .site-footer__nav .site-footer__treatment a {
  min-height: 38px;
  color: var(--iy-red);
  font-size: 0.94rem;
  font-weight: 700;
}

.iy-site-shell .site-footer__nav .site-footer__treatment a::before {
  content: none;
}

.iy-site-shell .site-footer__copy {
  margin: 44px 0 0;
  color: var(--iy-muted);
  font-size: 0.86rem;
  text-align: center;
}

@media (max-width: 980px) {
  .iy-site-shell-offset {
    height: 70px;
  }

  .iy-site-shell .site-header {
    height: 70px;
    min-height: 70px;
    padding: 12px 18px;
  }

  .iy-site-shell .brand {
    flex-basis: 142px;
  }

  .iy-site-shell .site-nav {
    gap: 12px;
    font-size: 0.74rem;
    line-height: 1.35;
  }

  .iy-site-shell .site-footer__inner {
    grid-template-columns: 1fr;
    gap: 38px;
  }
}

@media (max-width: 980px) and (orientation: portrait) {
  .iy-site-shell .site-nav {
    display: none;
  }

  .iy-site-shell .floating-actions {
    display: block;
    width: auto;
  }

  .iy-site-shell .floating-actions__reserve,
  .iy-site-shell .floating-actions__menu summary {
    min-height: 42px;
  }

  .iy-site-shell .floating-actions__reserve {
    position: fixed;
    top: 14px;
    right: 88px;
    width: 110px;
    padding-inline: 14px;
    border-radius: 0;
    font-size: 0.88rem;
  }

  .iy-site-shell .floating-actions__menu {
    position: fixed;
    top: 14px;
    right: 14px;
    width: 66px;
    min-width: 66px;
  }

  .iy-site-shell .floating-actions__menu summary {
    width: 66px;
    min-width: 66px;
    padding-inline: 13px;
    border-radius: 0;
  }

  .iy-site-shell .floating-actions__menu nav {
    border: 0;
    border-radius: 0;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px) saturate(1.12);
    -webkit-backdrop-filter: blur(12px) saturate(1.12);
  }
}

@media (max-width: 640px) {
  .iy-site-shell .site-header {
    padding-inline: 16px;
  }

  .iy-site-shell .brand {
    min-width: 0;
  }

  .iy-site-shell .brand img {
    width: 128px;
  }

  .iy-site-shell .floating-actions__reserve {
    top: 16px;
    right: 58px;
    width: 94px;
    padding-inline: 12px;
    font-size: 0.75rem;
    white-space: nowrap;
  }

  .iy-site-shell .floating-actions__menu {
    top: 16px;
    right: 10px;
    width: 42px;
    min-width: 42px;
  }

  .iy-site-shell .floating-actions__menu summary {
    width: 42px;
    min-width: 42px;
    padding-inline: 0;
    gap: 0;
    font-size: 0;
  }

  .iy-site-shell .site-footer {
    padding-top: 42px;
  }

  .iy-site-shell .site-footer__inner {
    width: calc(100% - 28px);
  }

  .iy-site-shell .site-footer__nav-columns {
    grid-template-columns: 1fr;
    gap: 0;
  }
}