:root {
  --ink: #18201D;
  --ink2: #3C4A44;
  --muted: #4F5D57;
  --line: #D7DEDA;
  --line2: #E4EAE6;
  --bg: #F3F6F4;
  --green: #1E5B45;
  --green-soft: #E1EEE7;
  --mustard: #E2A72E;
  --mustard-soft: #FBF0D6;
  --dark: #18201D;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: 'BIZ UDPGothic', 'Hiragino Sans', 'Yu Gothic', 'Meiryo', sans-serif; font-size: 16px; line-height: 1.8; }
a { color: var(--green); }
a:hover { color: #123A2C; }
:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
[hidden] { display: none !important; }
.display { font-family: 'Zen Kaku Gothic New', sans-serif; font-weight: 900; }

header.site { background: #FFFFFF; border-bottom: 1px solid var(--line); }
header.site .in { max-width: 1160px; margin: 0 auto; padding: 12px 20px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; }
.logo { text-decoration: none; color: var(--ink); display: flex; align-items: center; gap: 10px; }
.logo:hover { color: var(--ink); }
.logo .mark { display: inline-flex; width: 38px; height: 38px; border-radius: 8px; background: var(--green); color: #FFFFFF; align-items: center; justify-content: center; font-family: 'Zen Kaku Gothic New', sans-serif; font-weight: 900; font-size: 19px; }
.logo .txt { display: flex; flex-direction: column; line-height: 1.25; }
.logo small { font-size: 11px; color: var(--muted); }
.logo b { font-family: 'Zen Kaku Gothic New', sans-serif; font-weight: 900; font-size: 18px; }
nav.main { display: flex; flex-wrap: wrap; gap: 4px 18px; margin-left: auto; font-size: 14px; font-weight: 700; }
nav.main a { color: var(--ink); text-decoration: none; }
nav.main a[aria-current="page"] { color: var(--green); text-decoration: underline; text-underline-offset: 6px; text-decoration-thickness: 2px; }
.line-btn { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 0 16px; border-radius: 999px; background: var(--green); color: #FFFFFF; text-decoration: none; font-weight: 700; font-size: 14px; }
.line-btn:hover { color: #FFFFFF; filter: brightness(1.08); }

main.page { max-width: 1160px; margin: 0 auto; padding: 36px 20px 24px; display: flex; flex-direction: column; gap: 24px; }
main.narrow { max-width: 900px; }
.h1 { margin: 0; font-family: 'Zen Kaku Gothic New', sans-serif; font-weight: 900; font-size: clamp(28px, 4vw, 40px); line-height: 1.35; }
.h2 { margin: 0; font-family: 'Zen Kaku Gothic New', sans-serif; font-weight: 900; font-size: 20px; line-height: 1.5; }
.lead { margin: 0; color: var(--ink2); max-width: 46em; }
.stack { display: flex; flex-direction: column; }
.gap6 { gap: 6px; } .gap8 { gap: 8px; } .gap12 { gap: 12px; } .gap16 { gap: 16px; } .gap18 { gap: 18px; }

.card { background: #FFFFFF; border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.card.strong { border: 2px solid var(--green); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 48px; padding: 0 22px; border-radius: 10px; text-decoration: none; font-weight: 700; font-family: inherit; font-size: 16px; border: 0; cursor: pointer; }
.btn-green { background: var(--green); color: #FFFFFF; }
.btn-green:hover { color: #FFFFFF; filter: brightness(1.08); }
.btn-mustard { background: var(--mustard); color: var(--ink); }
.btn-mustard:hover { color: var(--ink); filter: brightness(1.05); }
.btn-outline { background: #FFFFFF; border: 1.5px solid var(--green); color: var(--green); }
.btn-plain { background: #FFFFFF; border: 1px solid #C9D3CE; color: var(--ink); font-weight: 400; }
.btn-small { min-height: 44px; padding: 0 16px; font-size: 14px; border-radius: 8px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { min-height: 44px; padding: 0 16px; border-radius: 999px; border: 1.5px solid #C9D3CE; background: #FFFFFF; color: var(--ink); font-family: inherit; font-size: 14px; font-weight: 700; cursor: pointer; }
.chip[aria-pressed="true"] { background: var(--green); border-color: var(--green); color: #FFFFFF; }
.lbl { font-size: 13px; font-weight: 700; color: var(--ink2); }
.field { display: flex; flex-direction: column; gap: 4px; font-size: 13px; font-weight: 700; color: var(--ink2); }
.field input, .field select, .field textarea { min-height: 44px; padding: 0 10px; border: 1px solid #C9D3CE; border-radius: 8px; background: #FFFFFF; font-family: inherit; font-size: 16px; color: var(--ink); font-weight: 400; width: 100%; }
.field textarea { padding: 10px; min-height: 96px; }
.req { color: #7A1F17; margin-left: 6px; }
.grid-fit { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; }
.note { font-size: 13px; color: var(--muted); margin: 0; }
.alert { background: #FCE8E6; border: 1px solid #E8B4AE; color: #7A1F17; border-radius: 10px; padding: 12px 16px; font-weight: 700; }
.ok { background: var(--green-soft); border-radius: 10px; padding: 12px 16px; }
.check { display: flex; align-items: center; gap: 10px; min-height: 44px; font-weight: 700; }
.check input { width: 20px; height: 20px; accent-color: var(--green); flex: none; }
.preview { background: var(--bg); border-radius: 10px; padding: 14px 16px; display: flex; flex-direction: column; gap: 4px; }
.preview .body { font-size: 14px; white-space: pre-line; }
.kv { display: grid; grid-template-columns: minmax(110px, 170px) minmax(0, 1fr); column-gap: 16px; font-size: 15px; }
.kv > span { padding: 9px 0; border-bottom: 1px solid var(--line2); }
.kv > .k { color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.feature { background: #FFFFFF; border: 1px solid var(--line); border-radius: 12px; padding: 16px; display: flex; flex-direction: column; gap: 4px; }
.feature span { font-size: 14px; color: var(--ink2); }

footer.site { background: var(--dark); color: #DCE5E0; margin-top: 48px; }
footer.site .in { max-width: 1160px; margin: 0 auto; padding: 36px 20px; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; font-size: 14px; line-height: 1.9; }
footer.site a { color: #DCE5E0; }
footer.site a.strong { color: #FFFFFF; font-weight: 700; }
footer.site .col { display: flex; flex-direction: column; }
footer.site .name { font-family: 'Zen Kaku Gothic New', sans-serif; font-weight: 900; font-size: 18px; color: #FFFFFF; }
footer.site .copy { border-top: 1px solid #2E3A35; text-align: center; font-size: 12px; padding: 14px 20px; }