:root {
  --ink: #172019;
  --muted: #5d695f;
  --paper: #f4f0e5;
  --card: #fffdf7;
  --green: #164f3b;
  --saffron: #e7862b;
  --line: rgba(23, 32, 25, .16);
  --shadow: 0 24px 70px rgba(37, 45, 35, .12);
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Georgia, "Noto Serif SC", "Songti SC", serif; line-height: 1.65; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; opacity: .18; background-image: radial-gradient(#7f745e 0.55px, transparent 0.55px); background-size: 8px 8px; }
a { color: inherit; }
.site-header { min-height: 74px; display: flex; align-items: center; justify-content: space-between; padding: 0 5vw; border-bottom: 1px solid var(--line); position: relative; z-index: 1; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 700; }
.brand-mark { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; color: white; background: var(--green); font-family: serif; }
nav { display: flex; gap: 24px; }
nav a { text-decoration: none; font-size: .92rem; }
main { position: relative; z-index: 1; }
.hero { min-height: 76vh; padding: 12vh 8vw 7vh; background: linear-gradient(120deg, rgba(255,253,247,.72), rgba(244,240,229,.28)), radial-gradient(circle at 82% 25%, rgba(231,134,43,.2), transparent 25%); }
.eyebrow, .kicker { font-family: ui-monospace, monospace; letter-spacing: .16em; text-transform: uppercase; font-size: .76rem; color: var(--green); }
h1, h2, p { margin-top: 0; }
h1 { max-width: 900px; font-size: clamp(2.9rem, 7vw, 6.8rem); line-height: 1.03; letter-spacing: -.055em; margin: 26px 0; font-weight: 500; }
h1 em { color: var(--green); font-style: normal; }
.lead { max-width: 690px; font-size: clamp(1.05rem, 2vw, 1.35rem); color: var(--muted); }
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 36px 0 60px; }
.button { appearance: none; display: inline-flex; justify-content: center; align-items: center; min-height: 48px; padding: 0 22px; border-radius: 2px; border: 1px solid var(--green); text-decoration: none; font: inherit; cursor: pointer; }
.primary { background: var(--green); color: white; }
.ghost { background: transparent; color: var(--green); }
.trust-strip { display: grid; grid-template-columns: repeat(3, 1fr); max-width: 960px; margin: 0; border-top: 1px solid var(--line); }
.trust-strip div { padding: 22px 30px 0 0; }
.trust-strip dt { font-weight: 700; }.trust-strip dd { margin: 4px 0; color: var(--muted); font-size: .92rem; }
.section-shell { width: min(1120px, 90vw); margin: 0 auto; padding: 100px 0; }
.process { display: grid; grid-template-columns: .65fr 1.35fr; gap: 70px; }
.section-number { font: 700 4rem/1 ui-monospace, monospace; color: var(--saffron); }
.steps { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.steps li { display: grid; grid-template-columns: 160px 1fr; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.steps span { color: var(--muted); }
.boundary { background: var(--green); color: white; width: 100%; padding-left: max(5vw, calc((100vw - 1120px) / 2)); padding-right: max(5vw, calc((100vw - 1120px) / 2)); }
.boundary h2 { font-size: clamp(2rem, 5vw, 4rem); line-height: 1.12; }.boundary p { max-width: 780px; }.boundary .kicker { color: #f2a654; }
.page-head h1, .form-shell h1, .result-card h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
.price-grid { padding-top: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.price-card { min-height: 290px; padding: 28px; background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); }
.price-card span { color: var(--saffron); font-size: 1.5rem; font-weight: 700; }.price-card.featured { background: var(--green); color: white; transform: translateY(-14px); }.price-card p { color: inherit; opacity: .78; }
.refund-note { border-top: 1px solid var(--line); }.refund-note h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
.form-shell, .result-card { max-width: 760px; }.stacked-form { display: grid; gap: 20px; margin-top: 38px; }
label { display: grid; gap: 7px; font-weight: 700; } label small { color: var(--muted); font-weight: 400; }
input, select { width: 100%; min-height: 50px; border: 1px solid var(--line); background: var(--card); color: var(--ink); padding: 10px 13px; border-radius: 2px; font: inherit; }
input:focus, select:focus, button:focus, a:focus { outline: 3px solid rgba(231,134,43,.55); outline-offset: 2px; }
.error-summary, .notice { padding: 16px; border-left: 4px solid var(--saffron); background: rgba(231,134,43,.1); }.field-error { color: #9c2d1c; font-size: .9rem; }
.source-choice { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }.source-choice form { margin: 0; }
.confirmation-list { border-top: 1px solid var(--line); }.confirmation-list div { display: grid; grid-template-columns: 1fr 1fr; padding: 18px 0; border-bottom: 1px solid var(--line); }.confirmation-list dd { margin: 0; font-family: ui-monospace, monospace; }
footer { position: relative; z-index: 1; padding: 24px 5vw; border-top: 1px solid var(--line); color: var(--muted); font-size: .85rem; }
.admin-grid { padding-top: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }.admin-grid ul { padding-left: 18px; overflow-wrap: anywhere; }
.auth-shell { position: relative; }
.auth-shell::after { content: "私密空间"; position: absolute; top: 72px; right: 0; color: rgba(22,79,59,.16); font: 700 clamp(2rem,7vw,5.5rem)/1 ui-monospace, monospace; writing-mode: vertical-rl; letter-spacing: .12em; pointer-events: none; }
.auth-shell > * { position: relative; z-index: 1; }
@media (max-width: 760px) { .site-header { align-items: flex-start; padding-top: 16px; padding-bottom: 16px; }.brand span:last-child { display: none; } nav { gap: 14px; }.hero { padding-top: 10vh; }.trust-strip, .process, .price-grid { grid-template-columns: 1fr; }.trust-strip div { padding-bottom: 14px; }.process { gap: 34px; }.steps li { grid-template-columns: 1fr; gap: 5px; }.price-card.featured { transform: none; }.confirmation-list div { grid-template-columns: 1fr; }.source-choice, .source-choice form, .source-choice button { width: 100%; } }