*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0
}
:root {
  --navy: #1B2E4B;
  --blue: #3A7BD5;
  --blue-mid: #5B9BE8;
  --blue-light: #D6E8FB;
  --blue-pale: #EEF5FD;
  --sky: #A8CFFB;
  --white: #fff;
  --bg: #F5F8FC;
  --border: #D8E4F0;
  --text: #1B2E4B;
  --muted: #6B82A0;
  --hint: #A3B5CB;
  --green: #2BA88A;
  --green-pale: #E2F5F0;
  --ax-a: #3A7BD5;
  --ax-b: #2BA88A;
  --ax-c: #E07B5A;
  --fd: 'Zen Kaku Gothic New', 'Noto Sans JP', sans-serif;
  --fb: 'Noto Sans JP', sans-serif;
  --rlg: 16px;
  --rxl: 24px;
  --rfl: 999px;
}
html {
  scroll-behavior: smooth
}
body {
  font-family: var(--fb);
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  font-size: 15px
}
/* NAV */
.hdr {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .2s
}
.hdr.on {
  box-shadow: 0 2px 16px rgba(27, 46, 75, .08)
}
.nav {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  height: 62px
}
.logo {
  font-family: var(--fd);
  font-size: 19px;
  font-weight: 900;
  color: var(--navy);
  text-decoration: none;
  margin-right: auto;
  letter-spacing: -.02em
}
.logo span {
  color: var(--blue)
}
.nl {
  display: flex
}
.nl a {
  padding: 0 13px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  height: 62px;
  display: flex;
  align-items: center;
  white-space: nowrap
}
.nl a:hover {
  color: var(--blue)
}
.ncta {
  margin-left: 14px;
  padding: 9px 18px;
  background: var(--blue);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  border-radius: var(--rfl);
  text-decoration: none;
  white-space: nowrap
}
.ncta:hover {
  opacity: .88
}
/* BREADCRUMB */
.bc {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 12px 32px
}
.bc-in {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  gap: 6px;
  align-items: center;
  font-size: 12px;
  color: var(--hint)
}
.bc-in a {
  color: var(--muted);
  text-decoration: none
}
.bc-in a:hover {
  color: var(--navy)
}
/* HERO */
.phero {
  background: var(--navy);
  padding: 48px 32px 44px;
  position: relative;
  overflow: hidden;
  text-align: center
}
.phero::before {
  content: '';
  position: absolute;
  top: -70px;
  right: -70px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: var(--blue);
  opacity: .12
}
.phero::after {
  content: '';
  position: absolute;
  bottom: -50px;
  left: 5%;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: var(--sky);
  opacity: .07
}
.phero-in {
  max-width: 780px;
  margin: 0 auto;
  position: relative;
  z-index: 1
}
.phero-eye {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--sky);
  text-transform: uppercase;
  margin-bottom: 12px;
  opacity: 0;
  animation: fu .5s ease .1s forwards
}
.phero-h1 {
  font-family: var(--fd);
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 900;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 12px;
  opacity: 0;
  animation: fu .5s ease .2s forwards
}
.phero-lead {
  font-size: 14px;
  color: rgba(255, 255, 255, .52);
  line-height: 1.85;
  opacity: 0;
  animation: fu .5s ease .3s forwards
}
/* SEARCH BAR */
.search-wrap {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 20px 32px
}
.search-in {
  max-width: 780px;
  margin: 0 auto;
  position: relative
}
.search-input {
  width: 100%;
  padding: 13px 20px 13px 48px;
  border: 1.5px solid var(--border);
  border-radius: var(--rfl);
  font-size: 14px;
  font-family: var(--fb);
  color: var(--navy);
  background: var(--bg);
  outline: none;
  transition: border-color .15s, box-shadow .15s
}
.search-input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(58, 123, 213, .10);
  background: var(--white)
}
.search-input::placeholder {
  color: var(--hint)
}
.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--hint);
  pointer-events: none
}
.search-icon svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round
}
.search-clear {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--hint);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  display: none;
  background: none;
  border: none;
  padding: 4px
}
.search-clear:hover {
  color: var(--navy)
}
.search-result-note {
  font-size: 12px;
  color: var(--muted);
  margin-top: 8px;
  text-align: center;
  min-height: 18px
}
/* MAIN LAYOUT */
.main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 36px 32px 80px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 36px;
  align-items: start
}
/* SIDEBAR NAV */
.side-nav {
  position: sticky;
  top: 80px;
  display: flex;
  flex-direction: column;
  gap: 4px
}
.side-nav-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--hint);
  text-transform: uppercase;
  margin-bottom: 10px;
  padding: 0 10px
}
.side-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: var(--rlg);
  text-decoration: none;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  transition: all .15s;
  border: 1px solid transparent
}
.side-link:hover {
  background: var(--blue-pale);
  color: var(--blue)
}
.side-link.active {
  background: var(--blue-pale);
  color: var(--blue);
  border-color: var(--blue-light);
  font-weight: 700
}
.side-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0
}
/* FAQ CONTENT */
.faq-content {
  display: flex;
  flex-direction: column;
  gap: 40px
}
/* FAQ SECTION */
.faq-section {
  scroll-margin-top: 90px
}
.faq-section-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--border)
}
.fsh-color {
  width: 4px;
  height: 28px;
  border-radius: 3px;
  flex-shrink: 0
}
.fsh-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--rfl);
  flex-shrink: 0
}
.fsh-title {
  font-family: var(--fd);
  font-size: 19px;
  font-weight: 700;
  color: var(--navy)
}
.fsh-count {
  margin-left: auto;
  font-size: 12px;
  color: var(--hint);
  flex-shrink: 0
}
/* FAQ ITEM */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 8px
}
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--rxl);
  overflow: hidden;
  transition: border-color .2s;
  data-hidden="false"
}
.faq-item.hidden {
  display: none
}
.faq-item:hover {
  border-color: var(--blue-light)
}
.faq-item.open {
  border-color: var(--blue-light)
}
.faq-q {
  padding: 18px 20px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  user-select: none;
  transition: background .15s
}
.faq-q:hover {
  background: var(--blue-pale)
}
.faq-item.open .faq-q {
  background: var(--blue-pale)
}
.fq-mark {
  font-size: 14px;
  font-weight: 900;
  flex-shrink: 0;
  margin-top: 1px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 12px
}
.fq-text {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.6;
  flex: 1
}
.fq-arrow {
  flex-shrink: 0;
  color: var(--hint);
  transition: transform .25s;
  margin-top: 2px
}
.faq-item.open .fq-arrow {
  transform: rotate(180deg)
}
.fq-arrow svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease, padding .3s ease
}
.faq-item.open .faq-a {
  max-height: 600px
}
.faq-a-inner {
  padding: 4px 20px 20px 54px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.85
}
.faq-a-inner strong {
  color: var(--navy);
  font-weight: 700
}
.faq-a-inner a {
  color: var(--blue);
  text-decoration: none
}
.faq-a-inner a:hover {
  text-decoration: underline
}
/* LLMO TAG */
.llmo-tag {
  display: inline-block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 2px 7px;
  border-radius: 4px;
  background: #F3F0FF;
  color: #6D28D9;
  margin-left: 6px;
  vertical-align: middle;
  text-transform: uppercase
}
/* NO RESULT */
.no-result {
  display: none;
  text-align: center;
  padding: 48px 24px;
  color: var(--muted)
}
.no-result.show {
  display: block
}
.nr-icon {
  font-size: 40px;
  margin-bottom: 12px
}
.nr-text {
  font-size: 15px;
  margin-bottom: 6px;
  color: var(--navy)
}
.nr-sub {
  font-size: 13px;
  color: var(--muted)
}
/* CTA */
.cta-block {
  background: var(--navy);
  border-radius: var(--rxl);
  padding: 40px 36px;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin-top: 16px
}
.cta-block::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: var(--blue);
  opacity: .14
}
.cta-e {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--sky);
  text-transform: uppercase;
  margin-bottom: 12px;
  position: relative
}
.cta-t {
  font-family: var(--fd);
  font-size: clamp(17px, 2.5vw, 22px);
  font-weight: 700;
  color: #fff;
  line-height: 1.45;
  margin-bottom: 12px;
  position: relative
}
.cta-d {
  font-size: 13px;
  color: rgba(255, 255, 255, .48);
  margin-bottom: 22px;
  line-height: 1.8;
  position: relative
}
.cta-as {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative
}
.cta-p {
  padding: 13px 28px;
  border-radius: var(--rfl);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  background: var(--blue);
  color: #fff;
  display: inline-block;
  transition: opacity .15s
}
.cta-p:hover {
  opacity: .88
}
.cta-g {
  padding: 13px 20px;
  border-radius: var(--rfl);
  font-size: 13px;
  text-decoration: none;
  background: transparent;
  color: rgba(255, 255, 255, .70);
  border: 1.5px solid rgba(255, 255, 255, .18);
  display: inline-block
}
.cta-n {
  font-size: 11px;
  color: rgba(255, 255, 255, .28);
  margin-top: 12px;
  position: relative
}
/* FOOTER */
.ftr {
  background: var(--navy);
  border-top: 1px solid rgba(255, 255, 255, .05);
  padding: 36px 32px 32px
}
.ftin {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 22px;
  align-items: flex-start
}
.flogo {
  font-family: var(--fd);
  font-size: 18px;
  font-weight: 900;
  color: #fff;
  text-decoration: none
}
.flogo span {
  color: var(--sky)
}
.ftag {
  font-size: 12px;
  color: rgba(255, 255, 255, .35);
  margin-top: 4px
}
.fls {
  display: flex;
  gap: 18px;
  flex-wrap: wrap
}
.fls a {
  font-size: 12px;
  color: rgba(255, 255, 255, .38);
  text-decoration: none
}
.fls a:hover {
  color: rgba(255, 255, 255, .75)
}
.fcp {
  max-width: 1080px;
  margin: 18px auto 0;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, .05);
  font-size: 11px;
  color: rgba(255, 255, 255, .22)
}
@keyframes fu {
  from {
    opacity: 0;
    transform: translateY(16px)
  }
  to {
    opacity: 1;
    transform: translateY(0)
  }
}
@media(max-width:860px) {
  .main {
    grid-template-columns: 1fr
  }
  .side-nav {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 4px
  }
  .side-nav-title {
    display: none
  }
  .side-link {
    padding: 6px 12px;
    font-size: 12px
  }
  .nl {
    display: none
  }
}
@media(max-width:480px) {
  .phero {
    padding: 36px 20px 32px
  }
  .main {
    padding: 24px 16px 60px
  }
  .search-wrap {
    padding: 16px 20px
  }
}