@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@500;700;800;900&family=Space+Grotesk:wght@500;700&display=swap');

:root { --yellow:#e8ff2e; --red:#ed271a; --pink:#ff4d8a; --ink:#101010; --cream:#fff9ec; --line:#171717; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; color:var(--ink); background:var(--cream); font-family:"Noto Sans JP", sans-serif; font-weight:500; }
a { color:inherit; }
.site-header { height:74px; display:flex; align-items:center; justify-content:space-between; padding:0 clamp(20px,4vw,64px); background:var(--yellow); border-bottom:2px solid var(--ink); position:sticky; z-index:10; top:0; }
.brand { text-decoration:none; font-size:27px; line-height:1; font-weight:900; letter-spacing:-.08em; }
.header-link { text-decoration:none; font-size:13px; font-weight:800; }
.header-link span { font-size:18px; margin-left:5px; }
.hero { position:relative; aspect-ratio:2 / 1; border-bottom:2px solid var(--ink); overflow:hidden; }
.hero-art { display:block; width:100%; height:100%; object-fit:cover; object-position:center; }
.hero-note { position:absolute; bottom:36px; left:clamp(20px,4vw,64px); display:flex; align-items:center; gap:19px; }
.hero-note p { margin:0; background:var(--cream); padding:7px 10px; font-size:12px; font-weight:800; }
.button { display:inline-flex; align-items:center; justify-content:center; gap:24px; padding:15px 18px; text-decoration:none; border:2px solid var(--ink); font-weight:900; font-size:14px; cursor:pointer; transition:transform .16s ease, background .16s ease; }
.button:hover { transform:translate(-3px,-3px); box-shadow:4px 4px 0 var(--ink); }
.button-dark { background:var(--ink); color:var(--cream); }
.section-grid { display:grid; grid-template-columns:minmax(150px,.64fr) 2fr; gap:32px; padding:clamp(58px,9vw,130px) clamp(20px,9vw,146px); border-bottom:2px solid var(--ink); }
.section-kicker { font:700 12px/1 "Space Grotesk", sans-serif; letter-spacing:.08em; }
h1,h2,h3,p { margin-top:0; }
h1,h2 { font-weight:900; letter-spacing:-.065em; line-height:1.15; }
h1 { font-size:clamp(34px,5vw,70px); margin-bottom:32px; }
h2 { font-size:clamp(30px,4.4vw,60px); margin-bottom:29px; }
.lead { font-size:clamp(16px,1.6vw,21px); line-height:2; max-width:680px; }
.small-copy { margin-top:26px; font-size:12px; font-weight:700; }
.how { background:var(--yellow); }
.steps { padding:0; margin:0; list-style:none; border-top:2px solid var(--ink); }
.steps li { position:relative; min-height:112px; display:grid; grid-template-columns:90px 1fr; grid-template-rows:auto auto; gap:0 16px; padding:21px 0; border-bottom:2px solid var(--ink); }
.steps span { grid-row:1 / span 2; font:700 20px "Space Grotesk", sans-serif; }
.steps strong { font-size:18px; }
.steps p { grid-column:2; margin:7px 0 0; font-size:14px; }
.post-section { display:grid; grid-template-columns:minmax(260px,.85fr) 1.15fr; gap:clamp(32px,7vw,120px); padding:clamp(60px,10vw,150px) clamp(20px,9vw,146px); background:var(--ink); color:var(--cream); }
.post-heading { position:sticky; top:108px; align-self:start; }
.post-heading .section-kicker { color:var(--yellow); margin-bottom:25px; }
.post-heading p:last-child { max-width:290px; line-height:1.9; font-size:14px; }
.post-form { max-width:600px; }
.honeypot { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; }
.field { margin-bottom:36px; }
.field label, .fieldset legend { display:block; font-size:16px; font-weight:800; margin-bottom:12px; }
em { color:var(--yellow); font-size:11px; font-style:normal; margin-left:6px; }
textarea { width:100%; height:126px; resize:vertical; border:2px solid var(--cream); padding:14px; background:transparent; color:var(--cream); font:500 16px/1.7 "Noto Sans JP",sans-serif; border-radius:0; }
textarea::placeholder { color:#9d9d9d; }
textarea:focus { outline:3px solid var(--yellow); outline-offset:2px; }
.field-note { display:flex; justify-content:space-between; gap:16px; margin-top:8px; color:#bebebe; font-size:11px; }
.fieldset { border:0; padding:0; }
.tag-options { display:flex; flex-wrap:wrap; gap:8px; }
.tag-options input { position:absolute; opacity:0; }
.tag-options span { display:block; border:1px solid #bdbdbd; padding:9px 13px; font-size:13px; cursor:pointer; }
.tag-options input:checked + span { border-color:var(--yellow); color:var(--ink); background:var(--yellow); font-weight:900; }
.rule-summary { margin:4px 0 26px; padding:20px; background:#252525; border-left:5px solid var(--pink); }
.rule-summary strong { font-size:14px; }
.rule-summary p { font-size:12px; line-height:1.85; color:#dfdfdf; margin:10px 0; }
.rule-summary a { font-size:12px; color:var(--yellow); font-weight:800; }
.check-line { display:flex !important; align-items:flex-start; gap:10px; margin:13px 0; font-size:12px !important; line-height:1.65; font-weight:500 !important; }
.check-line input { width:17px; height:17px; margin:2px 0 0; accent-color:var(--yellow); }
.check-line a { color:var(--yellow); }
.button-submit { width:100%; margin-top:19px; background:var(--yellow); color:var(--ink); border-color:var(--yellow); }
.form-status { min-height:20px; margin:14px 0 0; font-size:13px; font-weight:800; color:var(--yellow); }
.rules { background:var(--cream); }
.rule-columns { display:grid; grid-template-columns:1fr 1fr; border-top:2px solid var(--ink); }
.rule-columns > div { padding:24px 25px 28px 0; border-bottom:2px solid var(--ink); }
.rule-columns > div + div { padding-left:25px; border-left:2px solid var(--ink); }
.rule-columns h3 { font-size:17px; margin-bottom:13px; }
.rule-columns p { font-size:14px; line-height:1.85; margin:0; }
.rule-footer { margin:27px 0 0; font-size:14px; font-weight:800; }
.closing { display:flex; align-items:center; gap:clamp(25px,8vw,120px); padding:clamp(40px,7vw,100px) clamp(20px,9vw,146px); background:var(--pink); }
.closing img { width:min(260px,38vw); aspect-ratio:1; object-fit:cover; border:2px solid var(--ink); }
.closing p { margin-bottom:4px; font-size:17px; font-weight:800; }
.closing h2 { margin-bottom:24px; }
footer { display:flex; justify-content:space-between; gap:20px; padding:27px clamp(20px,4vw,64px); background:var(--ink); color:var(--cream); font:700 11px "Space Grotesk",sans-serif; }
footer p { margin:0; }
footer div { display:flex; flex-wrap:wrap; gap:18px; }
footer a { color:var(--cream); }
.policy-page { min-height:100vh; }
.policy-main { max-width:900px; margin:0 auto; padding:clamp(58px,9vw,130px) 20px; }
.policy-kicker { margin-bottom:28px; font:700 12px/1 "Space Grotesk", sans-serif; letter-spacing:.08em; }
.policy-main h1 { font-size:clamp(38px,5vw,68px); margin-bottom:48px; }
.policy-main h2 { margin:43px 0 15px; font-size:clamp(23px,3vw,34px); }
.policy-main p,.policy-main li { font-size:15px; line-height:2; }
.policy-main ul { padding-left:1.3em; }
.policy-main .back-link { display:inline-flex; margin-top:45px; font-size:14px; font-weight:900; }

@media (max-width:760px) {
  .site-header { height:62px; } .brand { font-size:30px; } .header-link { font-size:11px; }
  .hero { aspect-ratio:auto; overflow:visible; }
  .hero-art { height:57.142vw; aspect-ratio:auto; object-fit:cover; object-position:center; } .hero-note { position:static; padding:14px 20px 18px; background:var(--yellow); flex-direction:column; align-items:flex-start; gap:8px; }
  .hero-note .button { padding:12px 13px; font-size:12px; } .section-grid,.post-section { grid-template-columns:1fr; gap:27px; padding-left:20px; padding-right:20px; }
  .post-heading { position:static; } .post-section { padding-top:62px; padding-bottom:70px; }
  .steps li { grid-template-columns:58px 1fr; } .rule-columns { grid-template-columns:1fr; }
  .rule-columns > div + div { padding:24px 0 28px; border-left:0; } .closing { justify-content:space-between; padding:48px 20px; }
  .closing img { width:35vw; } .closing p { font-size:14px; } footer { flex-direction:column; }
}