:root {
  color-scheme: light;
  --paper: #f9f5ed;
  --card: #fffdf8;
  --ink: #26243b;
  --muted: #55536a;
  --accent: #423181;
  --rule: #dcd4c6;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); line-height: 1.7; }
a { color: var(--accent); text-underline-offset: .23em; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 3px solid #735cc0; outline-offset: 3px; }
p { margin: .65rem 0; }
.shell { width: min(1120px, calc(100% - 52px)); margin-inline: auto; }
.header, .footer { display: flex; justify-content: space-between; align-items: center; gap: .8rem; padding: 1rem 0; }
.header { border-bottom: 1px solid var(--rule); }
.header nav { display: flex; gap: 1.4rem; font-size: .89rem; }
.brand { color: var(--ink); font-size: 1.2rem; font-weight: 800; text-decoration: none; }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(1.4rem, 4vw, 4rem); align-items: start; padding: clamp(2rem, 6vw, 5.5rem) 0; }
.intro { padding-top: clamp(0px, 4vw, 60px); }
h1, h2, h3 { margin: 0; line-height: 1.31; }
h1 { font-size: clamp(1.95rem, 5.5vw, 3.75rem); letter-spacing: -.07em; }
.intro > p { font-size: clamp(1rem, 1.45vw, 1.2rem); max-width: 31ch; margin: 1.4rem 0; }
.hero-actions { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.button { display: inline-block; background: var(--accent); color: white; border: 1px solid var(--accent); border-radius: 8px; font: inherit; font-weight: 700; padding: .7rem 1rem; text-decoration: none; text-align: center; cursor: pointer; }
.button:hover { background: #322762; }
.receipt { position: relative; background: var(--card); border: 1px solid var(--rule); border-top: 5px solid var(--accent); box-shadow: 0 5px 25px #30273b0c; padding: clamp(1rem, 2.8vw, 1.9rem); }
.eyebrow { color: var(--accent); font-size: .81rem; font-weight: 800; margin-top: 0; }
.receipt h2 { font-size: clamp(1.18rem, 2.4vw, 1.65rem); }
.result { border-top: 1px dashed var(--rule); padding: .85rem 0; }
.item-head { display: flex; align-items: baseline; justify-content: space-between; gap: .55rem; }
.item-head h3 { font-size: 1rem; overflow-wrap: anywhere; }
.item-head strong { white-space: nowrap; }
.small { color: var(--muted); font-size: .85rem; }
.sources { display: flex; flex-wrap: wrap; gap: .2rem .8rem; margin-bottom: 0; font-size: .84rem; }
.take { border-top: 1px solid var(--rule); padding-top: .75rem; margin: 0; }
.section { padding: 2.2rem 0; border-top: 1px solid var(--rule); }
.section h2 { font-size: clamp(1.2rem, 2.9vw, 1.75rem); }
.plans { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.1rem; margin: 1.15rem 0; }
.plans article { border: 1px solid var(--rule); border-radius: 8px; background: var(--card); padding: 1.15rem; }
.plans h3 { font-size: 1.08rem; }
.price { font-variant-numeric: tabular-nums; font-size: 1.65rem; font-weight: 800; line-height: 1.25; }
.price small { font-size: .77rem; font-weight: 500; white-space: nowrap; }
.request { display: grid; gap: 1rem 3rem; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); }
.request form { display: grid; gap: .48rem; }
[hidden] { display: none !important; }
label { font-weight: 700; display: block; }
label span { font-size: .8rem; color: var(--muted); font-weight: 500; }
input, select, textarea { width: 100%; min-width: 0; padding: .62rem; border: 1px solid #938d9e; border-radius: 5px; background: var(--card); color: var(--ink); font: inherit; }
textarea { resize: vertical; }
.request .button { justify-self: start; }
#prepared { margin-top: 1rem; }
.copy { border: 1px solid var(--accent); border-radius: 5px; color: var(--accent); background: white; padding: .45rem .7rem; font: inherit; cursor: pointer; }
.contact { font-weight: 700; overflow-wrap: anywhere; }
.company { font-size: .92rem; }
.footer { border-top: 1px solid var(--rule); color: var(--muted); font-size: .82rem; }
@media (max-width: 690px) {
  .shell { width: calc(100% - 30px); }
  .hero, .request, .plans { grid-template-columns: minmax(0, 1fr); }
  .header nav { gap: .8rem; }
  .section { padding: 1.65rem 0; }
  .intro { padding-top: 0; }
}