:root { color-scheme: light; --paper: #f7f4ee; --paper-strong: #fffdf9; --ink: #17221f; --muted: #66716d; --line: #dcd8cf; --teal: #1d6258; --teal-deep: #123f3a; --coral: #e87450; --coral-soft: #f7dfd2; --sage: #dfe9df; --shadow: 0 18px 50px rgba(28, 43, 38, .09); }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", YuGothic, "Noto Sans JP", sans-serif; line-height: 1.75; text-rendering: optimizeLegibility; }
a { color: inherit; }
a:focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; }
.site-shell { overflow: hidden; }
.site-header, .hero, .section, .split-section, .data-band, .operator-section, .site-footer, .legal-hero, .legal-layout { width: min(1120px, calc(100% - 48px)); margin-inline: auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; min-height: 94px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid var(--teal); border-radius: 50%; color: var(--paper-strong); background: var(--teal); font: 700 12px/1 Georgia, serif; letter-spacing: .04em; }
.brand-copy { display: grid; font: 700 15px/1.1 Georgia, "Hiragino Mincho ProN", serif; letter-spacing: .03em; }
.brand-copy small { margin-top: 4px; color: var(--muted); font: 500 9px/1 sans-serif; letter-spacing: .12em; text-transform: uppercase; }
.site-nav { display: flex; align-items: center; gap: 26px; color: var(--muted); font-size: 13px; }
.site-nav a, .footer-links a { text-decoration: none; }
.site-nav a:hover, .footer-links a:hover, .text-link:hover { color: var(--coral); }
.nav-current { color: var(--ink); font-weight: 700; }
.hero { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr); gap: clamp(42px, 8vw, 112px); align-items: center; padding: 110px 0 126px; }
.eyebrow { margin: 0 0 18px; color: var(--coral); font-size: 11px; font-weight: 800; letter-spacing: .17em; line-height: 1.4; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: Georgia, "Hiragino Mincho ProN", "Yu Mincho", serif; font-weight: 600; letter-spacing: -.035em; }
h1 { max-width: 720px; margin-bottom: 26px; font-size: clamp(43px, 6vw, 75px); line-height: 1.12; }
h1 em, h2 em { color: var(--teal); font-style: normal; }
.hero-lead { max-width: 650px; margin-bottom: 34px; color: var(--muted); font-size: 16px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.button { display: inline-flex; align-items: center; gap: 14px; min-height: 48px; padding: 0 20px; border: 1px solid transparent; border-radius: 2px; font-size: 13px; font-weight: 700; text-decoration: none; transition: transform .2s ease, background-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--paper-strong); background: var(--teal); box-shadow: 0 8px 20px rgba(29, 98, 88, .16); }
.button-primary:hover { background: var(--teal-deep); }
.button-quiet { border-color: var(--line); color: var(--ink); background: transparent; }
.button-quiet:hover { border-color: var(--teal); }
.hero-card { position: relative; padding: 32px; color: var(--paper-strong); background: var(--teal-deep); box-shadow: var(--shadow); }
.hero-card::after { position: absolute; right: -24px; bottom: -24px; z-index: -1; width: 110px; height: 110px; border: 1px solid var(--coral); content: ""; }
.hero-card-top { display: flex; align-items: center; gap: 9px; color: #bcd5cd; font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #e8b56a; box-shadow: 0 0 0 5px rgba(232, 181, 106, .15); }
.hero-card-title { margin: 36px 0 34px; font: 500 31px/1.25 Georgia, "Hiragino Mincho ProN", serif; letter-spacing: -.03em; }
.fact-list { margin: 0; }
.fact-list div { display: flex; justify-content: space-between; gap: 16px; padding: 13px 0; border-top: 1px solid rgba(255,255,255,.2); }
.fact-list dt { color: #bcd5cd; font-size: 12px; }
.fact-list dd { margin: 0; font-size: 12px; font-weight: 700; }
.section { padding: 0 0 126px; }
.section-heading { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 28px; margin-bottom: 34px; }
.section-heading .eyebrow { grid-column: 1 / -1; margin-bottom: -18px; }
.section-heading h2, .split-intro h2, .data-band h2, .operator-section h2 { margin-bottom: 0; font-size: clamp(34px, 4vw, 50px); line-height: 1.2; }
.section-heading > p:last-child { max-width: 300px; margin-bottom: 5px; color: var(--muted); font-size: 13px; }
.card-grid { display: grid; }
.three-up { grid-template-columns: repeat(3, 1fr); gap: 16px; }
.info-card { min-height: 264px; padding: 29px; border: 1px solid var(--line); background: rgba(255,253,249,.55); }
.info-card-accent { border-color: transparent; background: var(--coral-soft); }
.card-number { display: block; margin-bottom: 54px; color: var(--coral); font: 700 12px/1 Georgia, serif; }
.info-card h3 { margin-bottom: 12px; font-size: 24px; }
.info-card p { margin-bottom: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.split-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; padding: 86px 0 100px; border-top: 1px solid var(--line); }
.boundary-list { border-top: 1px solid var(--line); }
.boundary-row { display: grid; grid-template-columns: 35px 1fr; gap: 14px; padding: 23px 0; border-bottom: 1px solid var(--line); }
.check-mark { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; color: var(--paper-strong); background: var(--teal); font-size: 14px; font-weight: 800; }
.boundary-row strong { display: block; margin-bottom: 4px; font-size: 14px; }
.boundary-row p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
code { padding: .12em .35em; border-radius: 2px; color: var(--teal-deep); background: var(--sage); font: .9em/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; }
.data-band { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: center; padding: 58px 64px; color: var(--paper-strong); background: var(--teal); }
.data-band .eyebrow { color: #f0b091; }
.data-band h2 { color: var(--paper-strong); }
.data-band-copy { max-width: 480px; }
.data-band-copy p { margin-bottom: 21px; color: #d6e6df; font-size: 14px; }
.text-link { color: var(--teal); font-weight: 700; text-decoration: underline; text-decoration-color: rgba(232,116,80,.55); text-underline-offset: 4px; }
.data-band .text-link { color: var(--paper-strong); }
.operator-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; padding: 104px 0 116px; }
.operator-details { color: var(--muted); font-size: 13px; }
.operator-name { margin-bottom: 9px; color: var(--ink); font: 600 22px/1.3 Georgia, "Hiragino Mincho ProN", serif; }
.operator-details p:last-child { margin-top: 22px; }
.site-footer { display: flex; justify-content: space-between; gap: 20px; padding: 23px 0 28px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.footer-links { display: flex; gap: 20px; }
.legal-page { padding-bottom: 60px; }
.legal-hero { padding: 94px 0 82px; border-bottom: 1px solid var(--line); }
.legal-hero h1 { max-width: 680px; margin-bottom: 25px; font-size: clamp(45px, 6vw, 74px); }
.legal-lead { max-width: 620px; margin-bottom: 18px; color: var(--muted); font-size: 16px; }
.effective-date { margin-bottom: 0; color: var(--muted); font-size: 12px; }
.legal-layout { display: grid; grid-template-columns: 190px minmax(0, 720px); justify-content: space-between; gap: 70px; padding-top: 76px; }
.legal-aside { align-self: start; position: sticky; top: 25px; display: grid; gap: 11px; padding-top: 5px; font-size: 12px; }
.legal-aside p { margin-bottom: 8px; color: var(--coral); font-size: 10px; font-weight: 800; letter-spacing: .15em; }
.legal-aside a { color: var(--muted); text-decoration: none; }
.legal-aside a:hover { color: var(--teal); }
.legal-content { min-width: 0; }
.policy-highlight { display: grid; grid-template-columns: 45px 1fr; gap: 18px; margin-bottom: 72px; padding: 28px; background: var(--sage); }
.highlight-icon { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid var(--teal); border-radius: 50%; color: var(--teal); font-size: 17px; }
.policy-highlight h2 { margin-bottom: 8px; color: var(--teal-deep); font: 700 18px/1.3 sans-serif; letter-spacing: -.02em; }
.policy-highlight p { margin-bottom: 0; color: var(--teal-deep); font-size: 13px; }
.policy-section { margin-bottom: 74px; scroll-margin-top: 25px; }
.section-index { margin-bottom: 13px; color: var(--coral); font-size: 10px; font-weight: 800; letter-spacing: .14em; }
.policy-section h2 { margin-bottom: 20px; font-size: clamp(28px, 3.5vw, 38px); line-height: 1.3; }
.policy-section p, .policy-section li { color: #4f5b57; font-size: 14px; }
.policy-section p { margin-bottom: 17px; }
.policy-section strong { color: var(--ink); }
.code-panel { display: grid; gap: 5px; margin: 22px 0; padding: 16px 18px; border-left: 3px solid var(--coral); background: var(--paper-strong); }
.code-panel code { padding: 0; background: transparent; overflow-wrap: anywhere; font-size: 12px; }
.code-panel span { color: var(--muted); font-size: 11px; }
.data-table { margin: 25px 0; border-top: 1px solid var(--line); }
.data-row { display: grid; grid-template-columns: 145px 1fr; gap: 22px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.data-row strong { font-size: 13px; }
.data-row span { color: var(--muted); font-size: 13px; }
.process-list { display: grid; gap: 0; margin: 26px 0 0; padding: 0; list-style: none; }
.process-list li { display: grid; grid-template-columns: 38px 1fr; gap: 15px; padding: 19px 0; border-top: 1px solid var(--line); }
.process-list li > span { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; color: var(--paper-strong); background: var(--teal); font: 700 12px/1 sans-serif; }
.process-list strong { display: block; margin-bottom: 5px; font-size: 14px; }
.process-list p { margin: 0; }
.plain-list { margin: 21px 0; padding-left: 21px; }
.plain-list li { margin: 7px 0; }
.contact-card { display: grid; gap: 3px; margin: 23px 0; padding: 20px 22px; border: 1px solid var(--line); background: var(--paper-strong); }
.contact-card strong { font: 600 18px/1.4 Georgia, "Hiragino Mincho ProN", serif; }
.contact-card a { color: var(--teal); font-size: 13px; font-weight: 700; }
.policy-note { margin-top: 32px; padding-top: 22px; border-top: 1px solid var(--line); font-size: 12px !important; }
.legal-content-narrow { width: min(720px, 100%); margin: 76px auto 0; }
@media (max-width: 760px) { .site-header, .hero, .section, .split-section, .data-band, .operator-section, .site-footer, .legal-hero, .legal-layout { width: min(100% - 32px, 620px); } .site-header { min-height: 78px; } .site-nav { gap: 12px; font-size: 11px; } .site-nav a:last-child { display: none; } .hero { grid-template-columns: 1fr; gap: 54px; padding: 73px 0 88px; } h1 { font-size: clamp(40px, 12vw, 60px); } .hero-card { max-width: 410px; } .section { padding-bottom: 86px; } .section-heading { display: block; } .section-heading .eyebrow { margin-bottom: 18px; } .section-heading > p:last-child { margin-top: 16px; } .three-up, .split-section, .data-band, .operator-section { grid-template-columns: 1fr; gap: 30px; } .info-card { min-height: 0; } .card-number { margin-bottom: 37px; } .split-section { padding: 65px 0 75px; } .data-band { padding: 40px 30px; } .operator-section { padding: 75px 0 80px; } .site-footer { display: block; } .footer-links { margin-top: 10px; } .legal-hero { padding: 64px 0 55px; } .legal-hero h1 { font-size: clamp(42px, 12vw, 60px); } .legal-layout { display: block; padding-top: 45px; } .legal-aside { position: static; display: flex; flex-wrap: wrap; gap: 8px 17px; margin-bottom: 52px; padding-bottom: 17px; border-bottom: 1px solid var(--line); } .legal-aside p { width: 100%; margin-bottom: 0; } .legal-content-narrow { margin-top: 48px; } .policy-highlight { grid-template-columns: 1fr; gap: 12px; } .data-row { grid-template-columns: 1fr; gap: 4px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; } }