@charset "UTF-8";

:root {
  color-scheme: light;
  --navy: #031836;
  --blue: #0064e8;
  --paper: #f7f9fc;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans CJK JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: var(--navy); color: var(--navy); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; -webkit-tap-highlight-color: transparent; }
a:focus-visible { outline: 3px solid var(--blue); outline-offset: 7px; }
picture { display: block; }
[data-language="en"] { display: none; }
html[lang="en"] [data-language="ja"] { display: none; }
html[lang="en"] [data-language="en"] { display: inline; }
.wrap { width: min(100% - 144px, 1296px); margin-inline: auto; }
.opening { background: var(--paper); position: relative; overflow: clip; }

.paths { height: 665px; width: 600px; position: absolute; top: 0; right: -30px; overflow: hidden; pointer-events: none; }
.paths span { position: absolute; display: block; width: 148px; height: 1000px; background: #e8effa; transform: rotate(38deg); transform-origin: center; }
.paths span:nth-child(1) { left: 278px; top: -216px; background: #e4edfa; }
.paths span:nth-child(2) { left: 508px; top: -216px; background: #edf2fa; }
.paths span:nth-child(3) { left: 738px; top: -216px; background: #e9f0fa; }

.header { height: 100px; display: flex; align-items: center; justify-content: space-between; gap: 20px; position: relative; z-index: 1; border-bottom: 1px solid #03183618; }
.brand-home { display: flex; align-items: center; gap: 14px; min-height: 44px; }
.brand-home img { display: block; width: 40px; height: 40px; }
.brand-label { font-size: 10px; font-weight: 700; letter-spacing: .18em; white-space: nowrap; }
.header-link { display: flex; align-items: center; gap: 32px; font-size: 13px; font-weight: 600; min-height: 44px; }
.header-link .nav-arrow { font-size: 20px; color: var(--blue); }

.hero { position: relative; z-index: 1; padding-top: 111px; padding-bottom: 100px; }
.eyebrow { margin: 0; font-size: 12px; font-weight: 600; letter-spacing: .13em; display: flex; align-items: center; gap: 10px; }
.dot { width: 6px; height: 6px; background: var(--blue); display: block; flex: 0 0 auto; }
.hero h1 { margin: 27px 0 25px; width: min(920px, 100%); line-height: 0; }
.wordmark { width: 100%; height: auto; display: block; }
.introduction { display: flex; align-items: center; gap: 50px; justify-content: space-between; margin-top: 37px; }
.introduction p { font-size: 20px; line-height: 1.9; font-weight: 500; letter-spacing: .02em; margin: 0; }
.mobile-break { display: none; }
.signature-line { height: 2px; flex: 1; max-width: 202px; min-width: 32px; display: flex; align-items: center; margin-top: 2px; }
.signature-line span { height: 1px; background: #9cafc7; flex: 1; }
.signature-line i { height: 6px; width: 6px; background: var(--blue); border-radius: 50%; display: block; }

.accounts { background: var(--navy); color: #fff; position: relative; z-index: 1; }
.accounts-inner { display: grid; grid-template-columns: 1fr 1.6fr; gap: 72px; padding-top: 62px; padding-bottom: 64px; }
.accounts-heading .eyebrow { color: #8fa9ca; font-size: 10px; letter-spacing: .17em; margin-top: 12px; }
.accounts-heading h2 { font-size: 28px; letter-spacing: .02em; font-weight: 500; margin: 20px 0 0; line-height: 1.5; }
.channel-list { list-style: none; padding: 0; margin: 0; min-width: 0; }
.channel-list li { border-bottom: 1px solid #ffffff26; }
.channel-list li:first-child { border-top: 1px solid #ffffff26; }
.channel { display: grid; grid-template-columns: 1fr 1fr 32px; gap: 20px; align-items: center; min-height: 76px; padding: 15px 0; transition: color .18s ease; }
.service { font-size: 23px; font-weight: 600; line-height: 1.4; letter-spacing: -.015em; }
.handle { font-size: 13px; line-height: 1.5; color: #a7bdd9; justify-self: start; }
.outbound { font-size: 26px; font-weight: 400; text-align: right; line-height: 1; transition: transform .18s ease; color: #7dc4ff; }
.channel:hover { color: #99d3ff; }
.channel:hover .outbound { transform: translate(3px, -3px); }
.accounts a:focus-visible, .site-footer a:focus-visible { outline-color: #8ad7ff; }

.site-footer { background: var(--navy); color: #8fa9ca; position: relative; z-index: 1; }
.footer { border-top: 1px solid #ffffff1c; min-height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer small { font-size: 12px; letter-spacing: .06em; }
.back-top { display: flex; align-items: center; gap: 22px; font-size: 12px; min-height: 44px; }
.back-top .nav-arrow { font-size: 18px; color: #c3d5eb; }
.skip-link { position: fixed; left: 20px; top: 12px; z-index: 20; transform: translateY(-180%); background: #fff; color: var(--navy); padding: 13px 18px; box-shadow: 0 3px 18px #03183618; }
.skip-link:focus { transform: none; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
#main:focus { outline: none; }

.error-page { background: var(--paper); min-height: 100svh; }
.error-header { padding-block: 32px; }
.error-logo { display: block; width: 196px; height: auto; }
.error-main { padding-block: 90px 120px; }
.error-code { color: var(--blue); font-size: 14px; font-weight: 600; letter-spacing: .15em; }
.error-main h1 { font-size: clamp(26px, 4vw, 44px); line-height: 1.4; font-weight: 600; }
.error-main p { font-size: 16px; line-height: 1.9; }
.home-button { display: inline-flex; align-items: center; min-height: 48px; margin-top: 20px; padding: 12px 22px; background: var(--blue); color: #fff; font-weight: 600; }
.home-button:hover { background: #004fb8; }

@media (min-width: 1600px) {
  .paths { right: calc((100% - 1500px) / 2); }
}

@media (max-width: 1100px) {
  .wrap { width: calc(100% - 80px); }
  .hero { padding-top: 100px; padding-bottom: 88px; }
  .hero h1 { width: 85%; }
  .introduction { gap: 30px; }
  .introduction p { font-size: 18px; }
  .accounts-inner { gap: 45px; grid-template-columns: 1fr 1.5fr; }
  .channel { grid-template-columns: 1fr 1.1fr 26px; gap: 12px; }
  .handle { font-size: 12px; }
  .paths { right: -100px; }
}

@media (max-width: 767px) {
  .wrap { width: calc(100% - 48px); }
  .header { height: 80px; gap: 16px; }
  .brand-home { gap: 10px; }
  .brand-home img { width: 34px; height: 34px; }
  .brand-label { font-size: 8px; letter-spacing: .12em; }
  .header-link { gap: 14px; font-size: 11px; }
  .header-link .nav-arrow { font-size: 18px; }
  .hero { padding-top: 106px; padding-bottom: 81px; }
  .hero .eyebrow { font-size: 11px; letter-spacing: .09em; }
  .hero h1 { width: 100%; margin-top: 22px; margin-bottom: 26px; }
  .introduction { margin-top: 29px; display: block; }
  .introduction p { font-size: 16px; line-height: 1.95; font-weight: 500; letter-spacing: .025em; }
  .mobile-break { display: block; }
  .signature-line { display: none; }
  .paths { right: -170px; width: 360px; height: 503px; opacity: .7; }
  .paths span { width: 82px; height: 700px; }
  .paths span:nth-child(1) { left: 178px; top: -160px; }
  .paths span:nth-child(2) { left: 312px; top: -160px; }
  .paths span:nth-child(3) { left: 446px; top: -160px; }
  .accounts-inner { display: block; padding-top: 43px; padding-bottom: 39px; }
  .accounts-heading .eyebrow { font-size: 9px; margin-top: 0; }
  .accounts-heading h2 { font-size: 23px; margin-top: 12px; }
  .channel-list { margin-top: 31px; }
  .channel { grid-template-columns: 1fr 32px; grid-template-rows: auto auto; gap: 4px 16px; min-height: 91px; padding-block: 14px; }
  .service { grid-column: 1; grid-row: 1; font-size: 21px; }
  .handle { grid-column: 1; grid-row: 2; font-size: 12px; justify-self: start; }
  .outbound { grid-column: 2; grid-row: 1 / 3; font-size: 24px; }
  .footer { min-height: 80px; }
  .back-top { gap: 14px; }
  .error-header { padding-block: 24px; }
  .error-main { padding-block: 50px 80px; }
}

@media (max-width: 359px) {
  .brand-label { display: none; }
  .service { font-size: 19px; }
  .hero { padding-top: 87px; padding-bottom: 70px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .channel, .outbound { transition: none; }
  .channel:hover .outbound { transform: none; }
}