/* ===============================
   Base / Reset
=============================== */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont,
    "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", sans-serif;
  color: #1a1a1a;
  line-height: 1.9;
  background:
    radial-gradient(circle at top left, rgba(63, 115, 185, 0.08), transparent 22%),
    radial-gradient(circle at bottom right, rgba(245, 124, 0, 0.05), transparent 20%),
    #f2f4f7;
}

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

a {
  color: inherit;
}

section {
  padding: 96px 24px;
  position: relative;
  overflow: hidden;
}

.container,
.container-wide {
  position: relative;
  z-index: 1;
  width: min(100%, 1160px);
  margin: 0 auto;
}

.container-wide {
  width: min(100%, 1280px);
}

/* ===============================
   Accessibility
=============================== */
.skip-link {
  position: absolute;
  left: 16px;
  top: -100px;
  background: #0b3b6f;
  color: #fff;
  padding: 10px 14px;
  border-radius: 6px;
  z-index: 1000;
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 12px;
}

/* ===============================
   Decorative Background Layers
=============================== */
.bg-gray {
  background:
    linear-gradient(180deg, #f7f9fc 0%, #eef2f7 100%);
}

.bg-gray::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 10% 0%, rgba(11, 59, 111, 0.05), transparent 32%),
    radial-gradient(circle at 90% 100%, rgba(63, 115, 185, 0.05), transparent 28%);
  pointer-events: none;
}

.bg-soft {
  background:
    radial-gradient(circle at top right, rgba(63, 115, 185, 0.08), transparent 24%),
    linear-gradient(180deg, #ffffff 0%, #f7f9fc 100%);
}

.bg-soft::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.55) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.55) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.25;
  pointer-events: none;
}

/* ===============================
   Header
=============================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e6e9ee;
}

.site-header__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  position: relative;
}

.site-brand {
  text-decoration: none;
  white-space: nowrap;
}

.site-brand__main {
  display: block;
  font-weight: 700;
  font-size: 16px;
  color: #0b3b6f;
  letter-spacing: 0.04em;
}

.site-brand__sub {
  display: block;
  font-size: 10px;
  color: #6b7f99;
  letter-spacing: 0.12em;
  margin-top: 2px;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__item {
  margin: 0;
  padding: 0;
}

.site-nav__link {
  display: inline-block;
  margin-left: 24px;
  font-size: 14px;
  color: #23384f;
  text-decoration: none;
  position: relative;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: #1e4f8a;
  transition: width 0.2s ease;
}

.site-nav__link:hover::after,
.site-nav__link:focus-visible::after {
  width: 100%;
}

.site-nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid #d7deea;
  border-radius: 8px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: #fff;
  padding: 0;
}

.site-nav-toggle__line,
.site-nav-toggle__line::before,
.site-nav-toggle__line::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  background: #0b3b6f;
  border-radius: 999px;
  position: relative;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.site-nav-toggle__line::before {
  position: absolute;
  top: -6px;
}

.site-nav-toggle__line::after {
  position: absolute;
  top: 6px;
}

/* ===============================
   Typography
=============================== */
h1 {
  font-size: 44px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.35;
  margin: 0 0 24px;
  color: #fff;
}

h2,
h3 {
  margin-top: 0;
}

h3 {
  margin: 0 0 12px;
  font-size: 20px;
  color: #0b3b6f;
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 20px;
  padding-left: 0.5em;
  border-left: 4px solid #0b3b6f;
  letter-spacing: 0.03em;
  color: #0b3b6f;
}

.section-title--center {
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 28px;
  text-align: center;
  letter-spacing: 0.03em;
  color: #0b3b6f;
}

.section-eyebrow {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: #8aa1c1;
  margin-bottom: 8px;
}

.section-decor {
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, #1e4f8a, transparent);
  margin: 12px 0 28px;
}

.lead {
  font-size: 18px;
  font-weight: 500;
  color: #1e3f66;
  margin-bottom: 20px;
}

p {
  font-size: 15px;
  color: #333;
  margin: 0 0 1.2em;
}

.note {
  font-size: 13px;
  color: #666;
}

/* ===============================
   Buttons
=============================== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 4px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-align: center;
  transition: transform 0.2s ease, opacity 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  opacity: 0.95;
  transform: translateY(-1px);
}

.btn-primary {
  background: #f57c00;
  color: #fff;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
  background: #ffffff;
  color: #0b3b6f;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.15);
}

.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.btn-outline {
  background: transparent;
  color: #0b3b6f;
  border: 1px solid rgba(11, 59, 111, 0.22);
}

/* ===============================
   Hero
=============================== */
.hero {
  background:
    radial-gradient(circle at 78% 18%, rgba(255, 255, 255, 0.18), transparent 18%),
    radial-gradient(circle at 18% 82%, rgba(255, 255, 255, 0.08), transparent 22%),
    linear-gradient(180deg, #0f3d72 0%, #1f5d9f 58%, #3f8ad8 100%);
  padding: 33px 44px 66px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.14;
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  left: -8%;
  right: -8%;
  bottom: -92px;
  height: 160px;
  background: #0c4d89;
  transform: rotate(-3.5deg);
  transform-origin: center;
  opacity: 0.55;
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 1fr);
  gap: 0px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__copy {
  max-width: 640px;
}

.hero__copy h1 {
  font-size: clamp(42px, 3vw, 47px);
  line-height: 1.18;
  letter-spacing: 0.02em;
  margin-bottom: 26px;
  word-break: auto-phrase;
  font-feature-settings: "palt";
}

.hero__copy .lead {
  font-size: 19px;
  line-height: 1.9;
  color: #eef4fd;
  margin-bottom: 20px;
  /* max-width: 34em; */
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.hero__badge svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.hero__actions {
  margin-top: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero__actions .btn {
  min-width: 220px;
}

.hero__actions .btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: none;
}

.hero__actions .btn-secondary:hover,
.hero__actions .btn-secondary:focus-visible {
  background: rgba(255, 255, 255, 0.16);
}

.hero__sub-links {
  display: flex;
  gap: 20px;
  margin-top: 18px;
  flex-wrap: wrap;
}

.hero__sub-links a {
  font-size: 13px;
  color: #dce9fb;
  text-decoration: none;
  border-bottom: 1px solid rgba(220, 233, 251, 0.35);
  padding-bottom: 2px;
}

.hero__sub-links a:hover,
.hero__sub-links a:focus-visible {
  opacity: 0.9;
}

.hero__media {
  position: relative;
  /* max-width: 620px; */
  justify-self: end;
}

.hero__image {
  position: relative;
  padding: 18px;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.16) 0%, rgba(255, 255, 255, 0.06) 100%);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow:
    0 26px 60px rgba(6, 35, 66, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(10px);
}

.hero__image::before {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  pointer-events: none;
}

.hero__image img {
  width: 100%;
}

.hero__floating {
  position: absolute;
  left: -10px;
  bottom: 22px;
  background: rgba(255, 255, 255, 0.96);
  color: #16385f;
  border-radius: 14px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.16);
  padding: 14px 16px;
  min-width: 200px;
}

.hero__floating strong {
  display: block;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: #6f86a5;
  margin-bottom: 6px;
}

.hero__floating span {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: #0b3b6f;
  line-height: 1.5;
}


.hero__subtitle {
  margin: 0 0 1rem;
  font-size: clamp(1.0625rem, 1.9vw, 1.5rem);
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: #f3f7fe;
  /* max-width: 28em; */
}


/* ===============================
   Hero Responsive
=============================== */
@media (max-width: 1100px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 0px;
  }

  .hero__copy {
    max-width: none;
  }

  .hero__media {
    max-width: 720px;
    width: 100%;
    margin: 0 auto;
    justify-self: auto;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 22px 16px 92px;
    min-height: auto;
  }

  .hero::after {
    height: 100px;
    bottom: -52px;
  }

  .hero__copy h1 {
    font-size: 34px;
    line-height: 1.24;
  }

  .hero__copy .lead {
    font-size: 16px;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .btn {
    min-width: auto;
    width: 100%;
  }

  .hero__sub-links {
    flex-direction: column;
    gap: 10px;
  }

  .hero__image {
    padding: 12px;
    border-radius: 18px;
  }

  .hero__image img {
    border-radius: 14px;
  }

  .hero__floating {
    position: static;
    margin-top: 14px;
    min-width: auto;
  }
}

/* ===============================
   Shared Panels / Split
=============================== */
.panel {
  background: #ffffff;
  border-radius: 14px;
  padding: 64px;
  box-shadow:
    0 8px 24px rgba(0, 0, 0, 0.06),
    0 32px 64px rgba(0, 0, 0, 0.04);
  position: relative;
  overflow: hidden;
}

.panel::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 160px;
  height: 160px;
  background: radial-gradient(circle at top right, rgba(63, 115, 185, 0.08), transparent 72%);
  pointer-events: none;
}

.split {
  display: flex;
  gap: 64px;
  align-items: center;
}

.split__item {
  flex: 1;
  min-width: 0;
}

/* ===============================
   Visual Frame
=============================== */
.media-frame {
  position: relative;
  padding: 18px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(30, 79, 138, 0.08), rgba(63, 115, 185, 0.02));
}

.media-frame::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(30, 79, 138, 0.08);
  border-radius: 12px;
  pointer-events: none;
}

.media-frame__image img {
  border-radius: 10px;
}

.media-frame__badge {
  position: absolute;
  right: -8px;
  top: -8px;
  background: #fff;
  color: #0b3b6f;
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.1);
}

/* ===============================
   Checklist
=============================== */
.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
}

.checklist li {
  position: relative;
  padding-left: 32px;
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(180deg, #f57c00, #f2994a);
  -webkit-mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="white" d="M9.5 16.2L5.8 12.5l1.4-1.4 2.3 2.3 6-6 1.4 1.4z"/></svg>') center / contain no-repeat;
  mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="white" d="M9.5 16.2L5.8 12.5l1.4-1.4 2.3 2.3 6-6 1.4 1.4z"/></svg>') center / contain no-repeat;
}

/* ===============================
   CTA Band
=============================== */
.cta-band {
  margin-top: 44px;
  background: linear-gradient(135deg, #0f3d72 0%, #2d66a7 100%);
  border-radius: 14px;
  padding: 30px 32px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 20px;
  box-shadow: 0 18px 42px rgba(15, 61, 114, 0.18);
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.18), transparent 65%);
}

.cta-band__copy {
  color: #fff;
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.cta-band__copy h3 {
  color: #fff;
  margin-bottom: 8px;
  padding-left: 0.5em;
  border-left: solid 1px;
  font-feature-settings: "palt";
}

.cta-band__copy p {
  color: rgba(255, 255, 255, 0.86);
  margin: 0;
}

.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
  position: relative;
  z-index: 1;
}

.cta-band .btn-secondary {
  background: rgba(255, 255, 255, 0.94);
}

/* ===============================
   Services
=============================== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  margin-top: 36px;
}

.service-card {
  background: linear-gradient(180deg, #ffffff 0%, #fbfcfe 100%);
  border-radius: 16px;
  padding: 34px 30px;
  box-shadow:
    0 10px 24px rgba(0, 0, 0, 0.05),
    0 24px 40px rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(17, 53, 94, 0.06);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: linear-gradient(90deg, #1e4f8a, #3f73b9, #f57c00);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(180deg, #1e4f8a, #3f73b9);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 14px 24px rgba(30, 79, 138, 0.22);
  margin-bottom: 18px;
}

.service-card__icon svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.service-card p {
  margin-bottom: 18px;
}

.service-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.tag-list span {
  display: inline-flex;
  align-items: center;
  padding: 7px 11px;
  border-radius: 999px;
  background: #eaf1fa;
  color: #0b3b6f;
  font-size: 12px;
  font-weight: 700;
}

/* ===============================
   Features
=============================== */
.feature-grid {
  display: flex;
  gap: 36px;
  margin-top: 48px;
}

.feature-card {
  flex: 1;
  background: linear-gradient(180deg, #ffffff 0%, #fbfcfe 100%);
  border-radius: 14px;
  padding: 40px 32px;
  text-align: center;
  box-shadow: 0 10px 36px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(17, 53, 94, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #1e4f8a, #f57c00);
}

/* .feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.08);
} */

.feature-card__icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: linear-gradient(180deg, #1e4f8a, #3f73b9);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 14px 24px rgba(30, 79, 138, 0.22);
}

.feature-card__icon svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

/* ===============================
   Service Strip
=============================== */
.service-strip {
  margin-top: 52px;
  background: linear-gradient(180deg, #fff 0%, #f8fbff 100%);
  border-radius: 14px;
  padding: 28px 32px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.04);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 20px;
}

.service-strip__copy {
  max-width: 640px;
}

.service-strip__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.service-strip__tags span {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: #eaf1fa;
  color: #0b3b6f;
  font-size: 13px;
  font-weight: 700;
}

/* ===============================
   FAQ
=============================== */
.faq-wrapper {
  max-width: 780px;
  margin: 0 auto;
}

.faq {
  background: #fff;
  border-radius: 10px;
  margin-bottom: 16px;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  border: 1px solid rgba(11, 59, 111, 0.06);
}

.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 12px 24px;
  font-weight: 700;
  color: #0b3b6f;
  position: relative;
  padding-right: 48px;
  background: linear-gradient(180deg, #ffffff 0%, #fcfdff 100%);
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq__icon {
  position: absolute;
  right: 24px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 2px solid #0b3b6f;
  border-bottom: 2px solid #0b3b6f;
  transform: translateY(-50%) rotate(45deg);
  transition: transform 0.2s ease;
}

.faq[open] .faq__icon {
  transform: translateY(-50%) rotate(-135deg);
}

.faq__content {
  padding: 0 24px 24px;
  font-size: 14px;
  color: #444;
}

.faq__cta {
  margin-top: 28px;
  text-align: center;
}

/* ===============================
   Footer
=============================== */
.site-footer {
  background:
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.08), transparent 24%),
    #0b3b6f;
  color: #ffffff;
  padding: 72px 24px;
}

.site-footer__inner {
  max-width: 1160px;
  margin: 0 auto;
}

.site-footer__title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-bottom: 14px;
}

.site-footer__nav a {
  color: #dbe6f7;
  font-size: 14px;
  text-decoration: none;
}

.site-footer__nav a:hover,
.site-footer__nav a:focus-visible {
  text-decoration: underline;
}

.site-footer__info {
  font-size: 13px;
  color: #c6d6f0;
}

/* ===============================
   Tablet
=============================== */
@media (max-width: 960px) {
  section {
    padding: 72px 20px;
  }

  .site-header__inner {
    padding: 14px 20px;
  }

  .site-nav-toggle {
    display: inline-flex;
    flex-shrink: 0;
  }

  .js .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    display: block;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid #e6e9ee;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
    padding: 10px 20px 16px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  }

  .js .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .js .site-nav__list {
    display: block;
  }

  .js .site-nav__link {
    display: block;
    margin: 0;
    padding: 12px 0;
    border-bottom: 1px solid #eef2f7;
    font-size: 14px;
  }

  .js .site-nav__item:last-child .site-nav__link {
    border-bottom: none;
  }

  .site-nav-toggle[aria-expanded="true"] .site-nav-toggle__line {
    background: transparent;
  }

  .site-nav-toggle[aria-expanded="true"] .site-nav-toggle__line::before {
    transform: translateY(6px) rotate(45deg);
  }

  .site-nav-toggle[aria-expanded="true"] .site-nav-toggle__line::after {
    transform: translateY(-6px) rotate(-45deg);
  }

  .hero {
    padding: 44px 20px 110px;
    min-height: auto;
  }

  .hero__inner,
  .split,
  .feature-grid {
    flex-direction: column;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: 0px;
  }

  .hero__copy {
    max-width: none;
  }

  .hero__media {
    max-width: 720px;
    width: 100%;
    margin: 0 auto;
    justify-self: auto;
  }

  .panel {
    padding: 42px;
  }

  h1 {
    font-size: 36px;
  }

  .section-title {
    font-size: 24px;
  }

  .section-title--center {
    font-size: 22px;
  }

  .service-strip,
  .cta-band {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .service-strip__tags,
  .cta-band__actions {
    justify-content: flex-start;
  }
}

/* ===============================
   Smartphone
=============================== */
@media (max-width: 640px) {
  section {
    padding: 56px 16px;
  }

  .site-header__inner {
    padding: 12px 16px;
  }

  .site-brand {
    max-width: calc(100% - 60px);
  }

  .site-brand__main {
    font-size: 15px;
  }

  .site-brand__sub {
    font-size: 9px;
  }

  .hero {
    padding: 22px 16px 92px;
  }

  .hero::after {
    height: 100px;
    bottom: -52px;
  }

  h1 {
    font-size: 34px;
    line-height: 1.24;
    margin-bottom: 18px;
  }

  .lead {
    font-size: 16px;
    margin-bottom: 20px;
  }

  p,
  .checklist li {
    font-size: 14px;
  }

  .section-title {
    font-size: 22px;
    padding-left: 14px;
    border-left-width: 3px;
  }

  .section-title--center {
    font-size: 20px;
    margin-bottom: 20px;
  }


  .hero__actions,
  .cta-band__actions,
  .service-card__actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .hero__actions .btn,
  .cta-band__actions .btn,
  .service-card__actions .btn {
    text-align: center;
    min-width: auto;
    width: 100%;
  }

  .hero__badges {
    gap: 8px;
  }

  .hero__badge {
    font-size: 11px;
  }

  .hero__sub-links {
    flex-direction: column;
    gap: 10px;
  }

  .panel {
    padding: 28px 20px;
    border-radius: 10px;
  }

  .split {
    gap: 28px;
  }

  .media-frame {
    padding: 12px;
  }

  .media-frame__badge {
    right: 8px;
    top: 8px;
    font-size: 11px;
    padding: 8px 10px;
  }

  .hero__image {
    padding: 14px 14px 14px;
    border-radius: 18px;
  }

  .hero__image img {
    border-radius: 16px;
  }

  .hero__floating {
    position: static;
    margin-top: 14px;
    min-width: auto;
  }

  .feature-grid {
    gap: 20px;
    margin-top: 28px;
  }

  .feature-card {
    padding: 28px 20px;
  }

  .feature-card h3 {
    font-size: 18px;
  }

  .feature-card__icon {
    width: 44px;
    height: 44px;
    margin-bottom: 14px;
  }

  .service-strip {
    padding: 22px 20px;
    margin-top: 36px;
  }

  .service-strip__tags span,
  .tag-list span {
    font-size: 12px;
  }

  .service-card {
    padding: 26px 26px;
  }

  .cta-band {
    padding: 22px 20px;
    margin-top: 32px;
  }

  .faq summary {
    padding: 12px 20px;
    padding-right: 44px;
    font-size: 14px;
  }

  .faq__icon {
    right: 18px;
  }

  .faq__content {
    padding: 0 20px 20px;
    font-size: 13px;
  }

  .site-footer {
    padding: 48px 16px;
  }

  .site-footer__title {
    font-size: 15px;
  }

  .site-footer__nav {
    flex-direction: column;
    gap: 8px;
  }

  .site-footer__nav a {
    font-size: 13px;
  }

  .site-footer__info {
    font-size: 12px;
  }
}

/* ===============================
   Global Atmosphere Layer
=============================== */
body {
  position: relative;
  isolation: isolate;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(circle at 12% 14%, rgba(11, 59, 111, 0.05), transparent 18%),
    radial-gradient(circle at 88% 70%, rgba(245, 124, 0, 0.05), transparent 16%),
    radial-gradient(circle at 50% 100%, rgba(63, 115, 185, 0.04), transparent 22%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.55), transparent 24%);
}

/* ===============================
   Section Background Enhancement
=============================== */
.bg-gray {
  background:
    linear-gradient(180deg, #f7f9fc 0%, #eef2f7 100%);
}

.bg-gray::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 10% 0%, rgba(11, 59, 111, 0.06), transparent 32%),
    radial-gradient(circle at 90% 100%, rgba(63, 115, 185, 0.06), transparent 28%);
  pointer-events: none;
}

.bg-gray::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 120px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.45));
  pointer-events: none;
}

.bg-soft {
  background:
    radial-gradient(circle at top right, rgba(63, 115, 185, 0.09), transparent 24%),
    linear-gradient(180deg, #ffffff 0%, #f7f9fc 100%);
}

.bg-soft::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.55) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.55) 1px, transparent 1px),
    radial-gradient(circle at 84% 20%, rgba(11, 59, 111, 0.05), transparent 22%);
  background-size: 56px 56px, 56px 56px, auto;
  opacity: 0.28;
  pointer-events: none;
}

.bg-soft::after {
  content: "";
  position: absolute;
  left: -4%;
  right: -4%;
  top: -56px;
  height: 110px;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.9), transparent 72%);
  opacity: 0.55;
  pointer-events: none;
}


/* ===============================
   Hero image flatten
=============================== */
.hero__image {
  padding: 0;
  border-radius: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
}

.hero__image::before {
  content: none;
}

.hero__image img {
  display: block;
  width: 100%;
  border-radius: 0;
  box-shadow: none;
  background: transparent;
}

@media (max-width: 640px) {
  .hero__image {
    padding: 0;
    border-radius: 0;
  }

  .hero__image img {
    border-radius: 0;
  }
}

/* ===============================
   Hero media full-height align (top page only)
   上端は hero__copy と揃え、下端は hero と揃える
=============================== */
.hero:not(.hero--single) {
  padding-bottom: 0;
}

.hero:not(.hero--single) .hero__inner {
  align-items: stretch;
}

.hero:not(.hero--single) .hero__copy {
  align-self: start;
  padding-bottom: 33px;
}

.hero:not(.hero--single) .hero__media {
  align-self: stretch;
  display: flex;
  flex-direction: column;
}

.hero:not(.hero--single) .hero__image {
  height: 100%;
  display: flex;
  align-items: stretch;
}

.hero:not(.hero--single) .hero__image img {
  height: 100%;
  width: 100%;
  object-fit: cover;
  object-position: left bottom;
  overflow-x: visible;
}

@media (max-width: 1100px) {

  .hero:not(.hero--single) .hero__inner {
    align-items: center;
  }

  .hero:not(.hero--single) .hero__copy {
    padding-bottom: 0;
  }

  .hero:not(.hero--single) .hero__media {
    align-self: auto;
    display: block;
  }

  .hero:not(.hero--single) .hero__image {
    height: auto;
    display: block;
  }

  .hero:not(.hero--single) .hero__image img {
    height: auto;
    width: 100%;
    object-fit: contain;
  }
}

@media (max-width: 640px) {
  .hero:not(.hero--single) {
    padding-bottom: 92px;
  }
}

/* ===============================
   Hero mobile bottom space adjust
   斜め帯は残したまま、SP時の下の空白感だけ減らす
=============================== */
@media (max-width: 640px) {
  .hero:not(.hero--single) {
    padding-bottom: 0px;
  }

  .hero:not(.hero--single)::after {
    height: 72px;
    bottom: -36px;
  }

  .hero:not(.hero--single) .hero__media {
    margin-bottom: 0;
  }
}

.faq__rule {
  border: 0;
  border-top: 1px solid rgba(11, 59, 111, 0.12);
  margin: 0 48px 0 24px;
  height: 0;
}

.faq__content {
  padding: 12px 48px 12px 24px;
  font-size: 14px;
  color: #444;
}

@media (max-width: 640px) {
  .faq__rule {
    margin: 0 44px 0 20px;
  }

  .faq__content {
    padding: 12px 44px 12px 20px;
    font-size: 13px;
  }

}