:root {
  --bone: #f4f0e8;
  --ink: #111111;
  --red: #df260f;
  --yellow: #ffd500;
  --metal: #b8b8b3;
  --line: rgba(17, 17, 17, 0.78);
  --display: "Hiragino Sans", "Noto Sans JP", "Yu Gothic", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); }
body { margin: 0; color: var(--ink); background: var(--bone); font-family: var(--display); overflow-x: hidden; }
button, a { font: inherit; }
button { cursor: pointer; }

.site-header { align-items: center; background: rgba(244, 240, 232, .94); border-bottom: 1px solid var(--ink); display: flex; justify-content: space-between; left: 0; padding: 16px 22px; position: fixed; right: 0; top: 0; z-index: 30; backdrop-filter: blur(12px); }
.brand { color: var(--ink); font-size: 20px; font-weight: 900; letter-spacing: -.06em; text-decoration: none; }
.brand span { font-family: var(--mono); font-size: 10px; letter-spacing: .06em; margin-left: 8px; }
.status { border: 1px solid var(--ink); color: var(--red); font-family: var(--mono); font-size: 10px; font-weight: 800; padding: 7px 9px; }

.section { min-height: 100svh; overflow: hidden; padding: 100px 22px 44px; position: relative; }
.section--light { background: var(--bone); }
.section--dark { background: #0c0c0b; color: var(--bone); }
.eyebrow { font-family: var(--mono); font-size: 11px; font-weight: 800; letter-spacing: .07em; margin: 0 0 16px; }
.lead { font-size: 17px; font-weight: 800; line-height: 1.6; margin: 0; }

.hero { display: flex; flex-direction: column; justify-content: space-between; min-height: 100svh; padding-bottom: 84px; }
.hero-copy { border: 1px solid var(--line); margin-top: 6px; padding: 22px 18px 20px; position: relative; }
.hero-copy h1 { font-size: clamp(58px, 18vw, 88px); font-weight: 950; letter-spacing: -.12em; line-height: .93; margin: 0 0 26px; }
.hero-copy h1::after { color: var(--red); content: "・"; font-size: .8em; }
.stamp { align-items: center; border: 3px solid var(--red); border-radius: 50%; color: var(--red); display: flex; flex-direction: column; font-size: 24px; font-weight: 950; height: 108px; justify-content: center; line-height: .8; text-align: center; transform: rotate(-12deg); width: 108px; }
.stamp small { font-family: var(--mono); font-size: 8px; font-weight: 800; margin-top: 12px; }
.stamp--hero { align-self: flex-end; margin: 12px 5% -18px 0; }

.button-stage { align-items: center; display: flex; flex-direction: column; margin: 0 auto; perspective: 800px; position: relative; }
.forbidden-button { --pointer-x: 50%; --pointer-y: 30%; appearance: none; background: linear-gradient(145deg, #ddd 0%, #555 42%, #eee 62%, #767676 100%); border: 0; border-radius: 50%; box-shadow: inset 0 0 0 9px #1d1d1c, inset 0 0 0 14px #bdbdb8, 0 25px 0 #161615, 0 34px 32px rgba(0, 0, 0, .3); display: grid; height: min(74vw, 340px); padding: 15px; place-items: center; position: relative; transform: translateY(0) rotateX(3deg); transition: box-shadow .2s ease, transform .2s cubic-bezier(.2,.9,.2,1), filter .2s ease; width: min(74vw, 340px); }
.forbidden-button::before { background: radial-gradient(circle at var(--pointer-x) var(--pointer-y), rgba(255,255,255,.6), transparent 28%); border: 3px solid rgba(0,0,0,.38); border-radius: inherit; content: ""; inset: 9px; pointer-events: none; position: absolute; }
.button-face { align-items: center; background: radial-gradient(circle at 30% 23%, #ff6958 0%, #e4321d 27%, #b50f07 70%, #770b07 100%); border: 2px solid #7b110a; border-radius: 50%; box-shadow: inset 0 8px 6px rgba(255,255,255,.2), inset 0 -16px 10px rgba(68,0,0,.32), 0 10px 0 #771309, 0 12px 10px rgba(0,0,0,.45); color: var(--bone); display: flex; font-size: clamp(30px, 9vw, 43px); font-weight: 950; height: 82%; justify-content: center; letter-spacing: -.12em; line-height: 1.06; text-align: center; text-shadow: 0 2px 0 rgba(0,0,0,.2); transition: transform .2s ease, box-shadow .2s ease; width: 82%; }
.forbidden-button:hover, .forbidden-button:focus-visible { filter: saturate(1.18); outline: 0; transform: translateY(14px) rotateX(0deg); box-shadow: inset 0 0 0 9px #1d1d1c, inset 0 0 0 14px #bdbdb8, 0 11px 0 #161615, 0 17px 23px rgba(0, 0, 0, .34); }
.forbidden-button:hover .button-face, .forbidden-button:focus-visible .button-face { box-shadow: inset 0 4px 5px rgba(255,255,255,.13), inset 0 -10px 8px rgba(68,0,0,.35), 0 3px 0 #771309, 0 6px 10px rgba(0,0,0,.42); transform: translateY(7px); }
.forbidden-button:active, .forbidden-button.is-pressed { transform: translateY(23px) scale(.985); box-shadow: inset 0 0 0 9px #1d1d1c, inset 0 0 0 14px #bdbdb8, 0 3px 0 #161615, 0 8px 12px rgba(0,0,0,.4); }
.forbidden-button:active .button-face, .forbidden-button.is-pressed .button-face { transform: translateY(12px); }
.button-hint { font-family: var(--mono); font-size: 10px; letter-spacing: .1em; margin: 36px 0 0; }

.outline-cta, .final-cta { background: transparent; border: 2px solid var(--ink); color: var(--ink); display: flex; font-weight: 900; justify-content: space-between; margin: 26px 0 0; padding: 18px 20px; transition: background .2s, color .2s, transform .2s; width: 100%; }
.outline-cta:hover, .final-cta:hover { background: var(--ink); color: var(--bone); transform: translateY(-3px); }
.hazard-tape { background: repeating-linear-gradient(-45deg, var(--yellow) 0 20px, var(--ink) 20px 37px); bottom: 0; display: flex; gap: 28px; left: 0; overflow: hidden; padding: 11px 0; position: absolute; right: 0; white-space: nowrap; }
.hazard-tape span { background: var(--yellow); color: var(--ink); font-family: var(--mono); font-size: 12px; font-weight: 900; padding: 0 16px; }

.psychology { padding-top: 118px; }
.psychology-grid { display: grid; gap: 28px; }
.psychology h2, .endure h2, .desire h2, .final-copy h2 { font-size: clamp(46px, 13vw, 70px); font-weight: 950; letter-spacing: -.12em; line-height: .98; margin: 0; }
.psychology h2 em { color: var(--red); font-style: normal; }
.metal-detail { background: linear-gradient(110deg, #6d6d68, #eee, #74746f); border: 8px solid #2a2a29; border-radius: 24px; height: 162px; overflow: hidden; position: relative; }
.metal-detail::after { background: radial-gradient(circle at 52% 45%, #fd6a58, #cf1c0e 38%, #630500 73%); border: 13px solid #555550; border-radius: 50%; content: ""; height: 260px; position: absolute; right: -70px; top: -50px; width: 260px; }
.psychology-copy { border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); padding: 20px 0; }
.psychology-copy p { font-size: 17px; font-weight: 800; margin: 0 0 12px; }
.psychology-copy .underlined { border-top: 1px solid var(--ink); margin: 22px 0 0; padding-top: 20px; }

.certificate { align-items: center; background: #e9e3d7; display: flex; justify-content: center; min-height: 100svh; }
.certificate-card { background: var(--bone); border: 6px double var(--ink); clip-path: polygon(4% 0, 96% 0, 100% 4%, 100% 96%, 96% 100%, 4% 100%, 0 96%, 0 4%); min-height: 76vh; padding: 35px 26px 28px; position: relative; width: 100%; }
.certificate-brand { font-size: 22px; font-weight: 950; letter-spacing: -.07em; text-align: center; }
.certificate-brand span { display: block; font-family: var(--mono); font-size: 12px; letter-spacing: .1em; margin-top: 8px; }
.certificate-alert { background: var(--yellow); border: 1px solid var(--ink); font-size: 28px; margin: 28px auto; padding: 6px 24px; text-align: center; width: max-content; }
.certificate h2 { font-size: 49px; font-weight: 950; letter-spacing: -.12em; line-height: 1; margin: 0; }
.certificate-rule { border-top: 2px solid var(--ink); margin: 26px 0; }
.certificate-large { font-size: 39px; font-weight: 950; letter-spacing: -.09em; line-height: 1.15; margin: 0; }
.certificate-small { font-size: 17px; font-weight: 800; line-height: 1.55; margin-top: 26px; }
.certificate-footer { border-top: 1px solid var(--ink); bottom: 28px; display: flex; font-family: var(--mono); font-size: 10px; justify-content: space-between; left: 26px; padding-top: 16px; position: absolute; right: 26px; }
.certificate-footer strong { font-family: var(--display); font-size: 22px; }
.certificate-seal { align-items: center; border: 3px solid var(--red); border-radius: 50%; bottom: 90px; color: var(--red); display: flex; font-size: 27px; font-weight: 950; height: 106px; justify-content: center; position: absolute; right: 23px; transform: rotate(12deg); width: 106px; }

.endure { display: flex; flex-direction: column; justify-content: space-between; min-height: 100svh; }
.endure-copy p { font-weight: 800; margin-top: 22px; }
.dark-button-wrap { align-items: center; display: flex; justify-content: center; margin: 25px 0; position: relative; }
.small-button { align-items: center; appearance: none; background: linear-gradient(145deg, #bcbcb8, #4a4a48 48%, #ddd); border: 10px solid #262625; border-radius: 50%; box-shadow: 0 14px 0 #050505; color: var(--bone); display: flex; font-size: 27px; font-weight: 950; height: 230px; justify-content: center; letter-spacing: -.1em; line-height: 1; padding: 0; position: relative; text-align: center; transition: transform .2s cubic-bezier(.2,.9,.2,1), box-shadow .2s ease, filter .2s ease; width: 230px; }
.small-button::before { background: #c82616; border: 2px solid #7a0c05; border-radius: inherit; box-shadow: inset 0 7px 10px rgba(255,255,255,.17), inset 0 -13px 12px rgba(0,0,0,.3); content: ""; inset: 13px; position: absolute; }
.small-button span { position: relative; }
.small-button:hover, .small-button:focus-visible { box-shadow: 0 5px 0 #050505, 0 11px 20px rgba(223,38,15,.25); filter: saturate(1.15); outline: 0; transform: translateY(9px); }
.small-button:active, .small-button.is-pressed { box-shadow: 0 1px 0 #050505; transform: translateY(15px) scale(.98); }
.dark-status { bottom: -8px; color: var(--bone); font-family: var(--mono); font-size: 10px; line-height: 1.7; position: absolute; right: 0; }
.dark-status strong { font-family: var(--display); font-size: 17px; }
.red-cta { align-items: center; background: var(--red); border: 1px solid var(--bone); color: var(--bone); display: flex; font-size: 18px; font-weight: 950; justify-content: space-between; padding: 22px 18px; transition: transform .2s, background .2s; }
.red-cta:hover { background: #ff3b26; transform: translateY(-4px); }
.hazard-tape--bottom { bottom: 0; }

.desire { min-height: 100svh; padding: 100px 0 55px; }
.desire-image { height: 43vh; overflow: hidden; position: absolute; right: 0; top: 0; width: 100%; }
.crop-button { align-items: center; appearance: none; background: radial-gradient(circle at 30% 20%, #ff6b59, #c51b0e 43%, #670500 82%); border: 22px solid #9a9991; border-radius: 50%; box-shadow: 0 0 0 9px #292929; color: var(--bone); cursor: pointer; display: flex; font-size: 36px; font-weight: 950; height: 440px; justify-content: center; letter-spacing: -.12em; line-height: 1; padding: 0; position: absolute; right: -135px; text-align: center; top: -120px; transform: rotate(12deg); transition: filter .2s ease, right .25s cubic-bezier(.2,.9,.2,1), top .25s cubic-bezier(.2,.9,.2,1); width: 440px; z-index: 1; }
.crop-button:hover, .crop-button:focus-visible { filter: brightness(1.18) saturate(1.1); outline: 0; right: -122px; top: -107px; }
.crop-button:active, .crop-button.is-pressed { filter: brightness(.9); right: -113px; top: -98px; }
.screw { background: radial-gradient(circle, #eee 0 10%, #40403d 12% 28%, #999 29% 45%, #333 47%); border-radius: 50%; height: 62px; position: absolute; right: 48px; top: 280px; width: 62px; }
.stamp--dark { left: 25px; position: absolute; top: 420px; }
.desire-copy { bottom: 75px; left: 22px; position: absolute; right: 22px; }
.desire-copy > p:first-child { font-size: 21px; font-weight: 900; margin: 0 0 28px; }
.desire-copy h2 { color: var(--bone); font-size: clamp(66px, 18vw, 100px); }
.desire-sub { border-top: 1px solid rgba(244,240,232,.7); font-size: 18px; font-weight: 800; margin: 28px 0 0; padding-top: 22px; }

.section--final { align-items: center; background: var(--bone); display: flex; flex-direction: column; justify-content: space-between; min-height: 100svh; padding-bottom: 84px; text-align: center; }
.final-copy h2 { font-size: 55px; }
.final-copy > p:last-child { font-size: 34px; font-weight: 950; letter-spacing: -.1em; margin: 10px 0 0; }
.forbidden-button--final { height: min(76vw, 340px); width: min(76vw, 340px); }
.final-cta { background: var(--red); border-color: var(--red); color: var(--bone); font-size: 18px; text-align: left; }
.final-cta:hover { background: var(--ink); }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity .72s ease, transform .72s cubic-bezier(.2,.75,.2,1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.hero .reveal:nth-child(2) { transition-delay: .08s; }
.hero .reveal:nth-child(3) { transition-delay: .14s; }
.hero .reveal:nth-child(4) { transition-delay: .2s; }
.cursor-glow { background: radial-gradient(circle, rgba(255,68,42,.22), transparent 62%); height: 250px; left: 0; mix-blend-mode: multiply; pointer-events: none; position: fixed; top: 0; transform: translate(-50%, -50%); transition: left .08s linear, top .08s linear; width: 250px; z-index: 50; }
.pressed-notice { background: var(--ink); border: 1px solid var(--bone); bottom: 20px; color: var(--bone); font-size: 18px; font-weight: 950; left: 50%; opacity: 0; padding: 16px 28px; pointer-events: none; position: fixed; transform: translate(-50%, 30px); transition: .35s ease; z-index: 80; }
.pressed-notice.is-visible { opacity: 1; transform: translate(-50%, 0); }
.result-overlay { align-items: center; background: rgba(0,0,0,.78); display: flex; inset: 0; justify-content: center; opacity: 0; padding: 18px; pointer-events: none; position: fixed; transition: opacity .28s ease; z-index: 90; }
.result-overlay.is-visible { opacity: 1; pointer-events: auto; }
.result-card { background: var(--bone); border: 2px solid var(--ink); box-shadow: 14px 14px 0 var(--red); max-width: 430px; overflow: hidden; padding: 30px 24px 24px; position: relative; transform: translateY(26px) rotate(1.5deg) scale(.96); transition: transform .34s cubic-bezier(.2,.85,.2,1); width: 100%; }
.result-overlay.is-visible .result-card { transform: translateY(0) rotate(0) scale(1); }
.result-card h2 { font-size: clamp(50px, 16vw, 70px); font-weight: 950; letter-spacing: -.12em; line-height: .94; margin: 15px 0 22px; position: relative; z-index: 1; }
.result-card h2 em { color: var(--red); font-style: normal; }
.result-lead { font-size: 18px; font-weight: 900; line-height: 1.6; margin: 0; position: relative; z-index: 1; }
.result-lead strong { color: var(--red); }
.result-note { border-top: 1px solid var(--ink); font-family: var(--mono); font-size: 11px; line-height: 1.6; margin: 25px 0 0; padding-top: 15px; position: relative; z-index: 1; }
.result-stamp { align-items: center; border: 3px solid var(--red); border-radius: 50%; bottom: 85px; color: var(--red); display: flex; font-size: 19px; font-weight: 950; height: 89px; justify-content: center; position: absolute; right: 25px; transform: rotate(-14deg); width: 89px; }
.scan-line { animation: scan 1.1s ease-in-out infinite; background: var(--yellow); height: 5px; left: 0; position: absolute; top: 0; width: 100%; }
.result-close { background: var(--ink); border: 0; color: var(--bone); display: flex; font-weight: 950; justify-content: space-between; margin-top: 25px; padding: 17px 16px; position: relative; transition: background .2s, transform .2s; width: 100%; z-index: 1; }
.result-close:hover { background: var(--red); transform: translateY(-3px); }
@keyframes scan { 0%,100% { transform: translateX(-100%); } 50% { transform: translateX(100%); } }

@media (min-width: 720px) {
  body { background: #333; }
  main, .site-header { margin: 0 auto; max-width: 560px; }
  .site-header { left: 50%; right: auto; transform: translateX(-50%); width: min(100%, 560px); }
  main { background: var(--bone); box-shadow: 0 0 70px rgba(0,0,0,.5); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}
