:root {
  --ink: #163c43;
  --deep: #0c3038;
  --teal: #1a7076;
  --mint: #d9ebe6;
  --sand: #f5efe4;
  --gold: #dba441;
  --paper: #fffdf9;
  --line: #d9e0dc;
  --body: #485b5b;
  --shadow: 0 22px 60px rgba(15, 53, 57, .12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; color: var(--ink); background: var(--paper); font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif; line-height: 1.75; }
a { color: inherit; }
.container { width: min(1120px, calc(100% - 44px)); margin: 0 auto; }
.skip-link { position: fixed; z-index: 10; top: -50px; left: 24px; padding: 8px 14px; border-radius: 6px; background: #fff; box-shadow: var(--shadow); transition: top .2s; }
.skip-link:focus { top: 16px; }
.site-header { background: rgba(255,253,249,.96); border-bottom: 1px solid rgba(22,60,67,.10); }
.header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); line-height: 1.15; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; background: var(--teal); color: #fff; font-size: 22px; font-weight: 700; }
.brand strong { display: block; font-size: 11px; letter-spacing: .08em; font-weight: 600; }
.brand b { display: block; font-size: 22px; letter-spacing: .13em; }
.header-tel { padding: 9px 13px; border: 1px solid var(--line); border-radius: 999px; color: var(--teal); text-decoration: none; font-size: 14px; font-weight: 700; white-space: nowrap; }
.header-tel span { margin-right: 5px; font-size: 10px; letter-spacing: .1em; }
.hero { overflow: hidden; position: relative; background: linear-gradient(126deg, var(--deep) 0%, #195b60 57%, #267d7a 100%); color: #fff; }
.hero::after { content: ""; position: absolute; width: 720px; height: 720px; top: -370px; right: -220px; border-radius: 50%; border: 1px solid rgba(255,255,255,.18); box-shadow: 0 0 0 80px rgba(255,255,255,.05), 0 0 0 160px rgba(255,255,255,.04); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.6fr .75fr; align-items: center; min-height: 555px; gap: 65px; }
.eyebrow, .section-label { margin: 0 0 16px; color: var(--gold); font-size: 12px; font-weight: 800; letter-spacing: .14em; }
.hero h1 { margin: 0; font-family: Georgia, "Hiragino Mincho ProN", "Yu Mincho", serif; font-size: clamp(38px, 5vw, 68px); line-height: 1.25; letter-spacing: .03em; }
.lead { max-width: 590px; margin: 28px 0; color: rgba(255,255,255,.89); font-size: 16px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { min-height: 56px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; padding: 12px 23px; border: 1px solid transparent; border-radius: 4px; text-decoration: none; font-weight: 800; transition: transform .15s ease, background .15s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { flex-direction: column; gap: 0; background: var(--gold); color: #17393e; line-height: 1.2; }
.button-primary span { margin-top: 3px; font-family: ui-monospace, monospace; font-size: 15px; letter-spacing: .05em; }
.button-quiet { border-color: rgba(255,255,255,.4); color: #fff; }
.small-note { margin: 18px 0 0; color: rgba(255,255,255,.72); font-size: 13px; }
.hero-panel { position: relative; padding: 38px 30px; border: 1px solid rgba(255,255,255,.32); background: rgba(8,37,41,.25); backdrop-filter: blur(4px); text-align: center; }
.panel-icon { width: 88px; height: 88px; margin: 0 auto 20px; color: #fff; }
.hero-panel p { margin: 0; color: rgba(255,255,255,.76); font-size: 13px; letter-spacing: .12em; }
.hero-panel a { display: block; margin: 8px 0 2px; color: #fff; text-decoration: none; font-family: ui-monospace, monospace; font-size: 21px; font-weight: 800; }
.hero-panel span { font-size: 12px; color: rgba(255,255,255,.72); }
.section { padding: 105px 0; }
.intro { background: var(--sand); }
.intro-layout { display: grid; grid-template-columns: .8fr 2fr; gap: 50px; }
.intro h2, .heading-row h2, .usage-layout h2, .local-card h2, .contact h2 { margin: 0 0 24px; font-family: Georgia, "Hiragino Mincho ProN", "Yu Mincho", serif; font-size: clamp(30px, 3.7vw, 48px); line-height: 1.45; letter-spacing: .03em; }
.intro p:not(.section-label) { max-width: 720px; margin: 0; color: var(--body); }
.support-section { background: #fff; }
.heading-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 36px; }
.heading-row h2 { margin-bottom: 0; }
.heading-row > p { max-width: 330px; margin: 0; color: var(--body); font-size: 14px; }
.support-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.support-card { min-height: 270px; padding: 29px; background: var(--paper); border: 1px solid var(--line); border-top: 4px solid var(--teal); }
.card-number { color: var(--gold); font-family: ui-monospace, monospace; font-weight: 800; }
.support-card h3 { margin: 47px 0 12px; font-size: 20px; }
.support-card p { margin: 0; color: var(--body); font-size: 14px; }
.usage-section { background: var(--mint); }
.usage-layout { display: grid; grid-template-columns: .8fr 1.6fr; gap: 80px; }
.steps { margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(22,60,67,.22); }
.steps li { display: grid; grid-template-columns: 50px 1fr; gap: 19px; padding: 25px 0; border-bottom: 1px solid rgba(22,60,67,.22); }
.steps span { display: grid; width: 38px; height: 38px; place-items: center; background: var(--teal); border-radius: 50%; color: #fff; font-family: ui-monospace, monospace; font-size: 13px; font-weight: 700; }
.steps h3 { margin: 0 0 3px; font-size: 17px; }
.steps p { margin: 0; color: var(--body); font-size: 14px; }
.local-section { background: var(--paper); }
.local-card { display: grid; grid-template-columns: 1.15fr 1fr; gap: 65px; padding: 60px; background: var(--deep); color: #fff; }
.local-card h2 { margin-bottom: 0; }
.local-details { display: flex; flex-direction: column; justify-content: center; gap: 20px; }
.local-details p { margin: 0; padding-bottom: 15px; border-bottom: 1px solid rgba(255,255,255,.2); color: rgba(255,255,255,.93); }
.local-details b { display: inline-block; min-width: 84px; color: var(--gold); font-size: 12px; letter-spacing: .08em; }
.local-details .local-note { padding: 0; border: 0; color: rgba(255,255,255,.7); font-size: 13px; }
.contact { padding: 100px 0; background: var(--teal); color: #fff; }
.contact .section-label { color: #ffcf74; }
.contact h2 { margin-bottom: 14px; }
.contact p { margin: 0; color: rgba(255,255,255,.82); }
.contact-inner { display: flex; align-items: center; justify-content: space-between; gap: 50px; }
.contact-number { display: inline-flex; flex-direction: column; padding: 26px 32px; border: 1px solid rgba(255,255,255,.48); color: #fff; text-align: right; text-decoration: none; font-family: ui-monospace, monospace; font-size: clamp(24px, 3vw, 38px); font-weight: 800; line-height: 1.25; }
.contact-number span { margin-bottom: 4px; font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif; font-size: 12px; font-weight: 700; letter-spacing: .1em; }
.site-footer { background: #08272e; color: rgba(255,255,255,.7); }
.footer-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 20px; font-size: 12px; }
.footer-inner p { margin: 0; }
.footer-inner a { color: #fff; text-decoration: none; font-family: ui-monospace, monospace; }
@media (max-width: 760px) {
  .container { width: min(100% - 32px, 1120px); }
  .header-inner { min-height: 72px; }
  .header-tel { font-size: 0; padding: 10px; }
  .header-tel span { margin: 0; font-size: 10px; }
  .hero-grid, .intro-layout, .usage-layout, .local-card { grid-template-columns: 1fr; gap: 35px; }
  .hero-grid { min-height: auto; padding: 80px 0 65px; }
  .hero-panel { max-width: 390px; }
  .section { padding: 72px 0; }
  .heading-row, .contact-inner { display: block; }
  .heading-row > p { margin-top: 17px; }
  .support-cards { grid-template-columns: 1fr; }
  .support-card { min-height: 0; }
  .support-card h3 { margin-top: 30px; }
  .local-card { padding: 37px 26px; }
  .contact-number { margin-top: 32px; padding: 23px; font-size: 28px; text-align: left; }
  .footer-inner { min-height: 95px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 5px; }
}