:root {
  --navy: #173f5f; --blue: #20639b; --yellow: #ffce56; --coral: #ff6f61;
  --mint: #d9f4e8; --paper: #fffaf0; --white: #fff; --text: #183044;
  --line: rgba(24, 48, 68, .2); --sans: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--paper); font-family: var(--sans); line-height: 1.8; }
button, input { font: inherit; }
.skip { position: fixed; left: -9999px; top: 1rem; z-index: 30; padding: .7rem 1rem; background: var(--white); color: var(--navy); }
.skip:focus { left: 1rem; }
.topbar { min-height: 78px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 1rem; padding: .8rem clamp(1.2rem, 5vw, 5rem); background: var(--white); border-bottom: 1px solid var(--line); }
.logo { display: inline-flex; align-items: center; gap: .8rem; width: fit-content; color: inherit; text-decoration: none; font-size: .82rem; font-weight: 900; letter-spacing: .12em; line-height: 1; }
.logo i { width: 42px; height: 42px; display: block; position: relative; border-radius: 50%; background: var(--navy); box-shadow: inset -12px -8px 0 var(--blue); }
.logo i::before, .logo i::after { content: ""; position: absolute; border-radius: 50%; }
.logo i::before { width: 13px; height: 13px; left: 8px; top: 8px; background: var(--yellow); }
.logo i::after { width: 11px; height: 11px; right: 7px; bottom: 7px; background: var(--coral); }
.logo small { display: block; margin-top: .5rem; color: #667b8d; font-size: .58rem; letter-spacing: .08em; }
.topbar > p { margin: 0; font-size: .63rem; font-weight: 800; letter-spacing: .18em; }
.top-cta { justify-self: end; padding: .7rem 1rem; color: var(--white); background: var(--navy); text-decoration: none; font-size: .76rem; font-weight: 800; }
.hero { min-height: 660px; display: grid; grid-template-columns: 52% 48%; overflow: hidden; }
.hero-copy { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding: clamp(4.5rem, 9vw, 8rem) clamp(1.4rem, 7vw, 7rem); background: var(--paper); }
.tag, .section-title > p, .trust-heading > p, .checker-side > p:first-child { margin: 0 0 1rem; color: var(--coral); font-size: .68rem; font-weight: 900; letter-spacing: .22em; }
h1 { margin: 0; font-size: clamp(3.2rem, 5.5vw, 6.5rem); line-height: 1.12; letter-spacing: -.08em; }
h1 span { color: var(--blue); text-decoration: underline; text-decoration-color: var(--yellow); text-decoration-thickness: .2em; text-underline-offset: .04em; }
.lead { max-width: 36rem; margin: 2rem 0; }
.button { min-width: min(100%, 310px); min-height: 60px; display: inline-flex; align-items: center; justify-content: space-between; padding: .8rem 1.25rem; color: var(--white); background: var(--navy); text-decoration: none; font-weight: 900; box-shadow: 8px 8px 0 var(--yellow); }
.button b { font-size: 1.4rem; }
.hero-visual { position: relative; min-height: 660px; overflow: hidden; background: var(--blue); }
.hero-visual::before { content: ""; position: absolute; inset: 9%; border: 1px solid rgba(255,255,255,.35); }
.orbit { position: absolute; border: 2px solid rgba(255,255,255,.5); border-radius: 50%; }
.orbit i { position: absolute; display: block; border-radius: 50%; }
.orbit-one { width: 370px; height: 370px; right: -30px; top: -50px; }
.orbit-one i { width: 88px; height: 88px; left: 25px; bottom: 30px; background: var(--yellow); }
.orbit-two { width: 290px; height: 290px; left: -90px; bottom: -40px; }
.orbit-two i { width: 75px; height: 75px; right: 20px; top: 45px; background: var(--coral); }
.visual-card { position: absolute; width: 210px; min-height: 135px; padding: 1.3rem; display: flex; flex-direction: column; justify-content: space-between; color: var(--navy); background: var(--white); border: 3px solid var(--navy); box-shadow: 9px 9px 0 var(--navy); transform: rotate(-3deg); }
.visual-card small { font-size: .62rem; font-weight: 900; letter-spacing: .13em; }
.visual-card b { font-size: 1.6rem; }
.card-a { left: 10%; top: 13%; }
.card-b { right: 8%; top: 42%; background: var(--yellow); transform: rotate(4deg); }
.card-c { left: 20%; bottom: 8%; background: var(--mint); transform: rotate(-1deg); }
.visual-word { position: absolute; right: -1rem; bottom: 1rem; color: rgba(255,255,255,.12); font-size: clamp(5rem, 10vw, 9rem); font-weight: 900; letter-spacing: -.08em; }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); color: var(--white); background: var(--navy); }
.metrics div { padding: 1.4rem clamp(1rem, 3vw, 2.5rem); border-right: 1px solid rgba(255,255,255,.25); }
.metrics div:last-child { border-right: 0; }
.metrics small, .metrics strong { display: block; }
.metrics small { color: var(--yellow); font-size: .6rem; font-weight: 900; letter-spacing: .18em; }
.metrics strong { margin-top: .3rem; font-size: .9rem; }
.section { padding: clamp(5.5rem, 10vw, 9rem) clamp(1.4rem, 6vw, 7rem); }
.intro { display: grid; grid-template-columns: .75fr 1.4fr; gap: clamp(3rem, 8vw, 8rem); }
.section-title h2, .trust-heading h2, .checker-side h2 { margin: 0; font-size: clamp(2.6rem, 4.3vw, 5rem); line-height: 1.25; letter-spacing: -.06em; }
.intro-copy > p { max-width: 48rem; margin: 0 0 2.5rem; font-size: 1.08rem; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); background: var(--white); }
.steps article { min-height: 240px; padding: 1.5rem; border-right: 1px solid var(--line); }
.steps article:last-child { border-right: 0; }
.steps span { color: var(--coral); font-size: 2rem; font-weight: 900; }
.steps h3 { margin: 2.3rem 0 .5rem; font-size: 1rem; }
.steps p { margin: 0; color: #607487; font-size: .84rem; }
.trust { color: var(--white); background: var(--blue); }
.trust-heading { display: flex; justify-content: space-between; align-items: end; gap: 3rem; margin-bottom: 3rem; }
.trust-heading > p { color: var(--yellow); }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.trust-grid article { min-height: 260px; padding: 1.7rem; color: var(--text); background: var(--white); border-bottom: 8px solid var(--yellow); }
.trust-grid article:nth-child(2) { border-color: var(--coral); }
.trust-grid article:nth-child(3) { border-color: var(--mint); }
.trust-grid b { color: var(--coral); font-size: .7rem; letter-spacing: .15em; }
.trust-grid h3 { margin: 3rem 0 .6rem; }
.trust-grid p { margin: 0; color: #607487; font-size: .86rem; }
.checker { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(3rem, 8vw, 8rem); background: var(--mint); }
.checker-side { align-self: start; position: sticky; top: 2rem; }
.checker-side > p:last-of-type { max-width: 28rem; }
.privacy-badge { display: inline-block; margin-top: 2rem; padding: .5rem .8rem; border: 1px solid var(--navy); font-size: .68rem; font-weight: 900; letter-spacing: .12em; }
.privacy-badge::first-letter { color: #2c9b71; }
.panel { padding: clamp(1.5rem, 4vw, 3rem); background: var(--white); border: 2px solid var(--navy); box-shadow: 14px 14px 0 var(--yellow); }
.panel-head { display: flex; justify-content: space-between; padding-bottom: 1rem; border-bottom: 2px solid var(--navy); font-size: .68rem; letter-spacing: .15em; }
fieldset { margin: 2.2rem 0 0; padding: 0; border: 0; }
legend { margin-bottom: 1rem; font-weight: 900; }
legend em { margin-right: .6rem; color: var(--coral); font-style: normal; }
.tiles, .pills, .rows { display: grid; gap: .65rem; }
.tiles { grid-template-columns: repeat(3, 1fr); }
.pills { grid-template-columns: repeat(3, 1fr); }
.rows { grid-template-columns: 1fr 1fr; }
label input { position: absolute; opacity: 0; }
label span { display: block; padding: 1rem; cursor: pointer; border: 1px solid var(--line); transition: .18s ease; }
.tiles label span { min-height: 105px; }
.pills label span { text-align: center; font-weight: 900; }
.rows label span { min-height: 88px; }
label b, label small { display: block; }
label small { margin-top: .25rem; color: #697c8e; font-size: .72rem; }
label input:checked + span { background: var(--yellow); border-color: var(--navy); box-shadow: 4px 4px 0 var(--navy); transform: translate(-2px,-2px); }
label input:focus-visible + span, button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid var(--coral); outline-offset: 3px; }
.error { min-height: 1.6rem; margin: 1rem 0 0; color: #a53329; font-size: .8rem; font-weight: 800; }
.submit { width: 100%; min-height: 60px; display: flex; justify-content: space-between; align-items: center; padding: .8rem 1.2rem; border: 0; color: var(--white); background: var(--navy); cursor: pointer; font-weight: 900; box-shadow: 6px 6px 0 var(--coral); }
.fineprint { margin: .9rem 0 0; text-align: center; color: #697c8e; font-size: .72rem; }
.result { min-height: 650px; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; }
.result[hidden] { display: none; }
.result > p:first-child { color: var(--coral); font-size: .68rem; font-weight: 900; letter-spacing: .2em; }
.result-mark { width: 84px; height: 84px; display: grid; place-items: center; margin: 1rem 0; border-radius: 50%; color: var(--navy); background: var(--yellow); border: 3px solid var(--navy); box-shadow: 7px 7px 0 var(--navy); font-size: 2.3rem; font-weight: 900; }
.result h3 { margin: .8rem 0; font-size: clamp(2rem, 3.5vw, 3.3rem); }
.result > p:not(:first-child,.fineprint) { max-width: 34rem; }
.result-action { width: 100%; margin: 1.5rem 0; padding: 1.2rem; text-align: left; background: var(--mint); border-left: 6px solid var(--blue); }
.result-action small, .result-action strong { display: block; }
.result-action small { color: var(--blue); font-size: .65rem; font-weight: 900; letter-spacing: .15em; }
.result-action strong { margin-top: .4rem; }
#again { padding: .5rem; border: 0; border-bottom: 1px solid currentColor; background: transparent; cursor: pointer; font-weight: 800; }
.faq { display: grid; grid-template-columns: .65fr 1.35fr; gap: clamp(3rem, 8vw, 8rem); }
.faq-list { border-top: 1px solid var(--navy); }
details { border-bottom: 1px solid var(--navy); }
summary { list-style: none; display: flex; justify-content: space-between; gap: 1rem; padding: 1.3rem 0; cursor: pointer; font-weight: 800; }
summary::-webkit-details-marker { display: none; }
summary i { font-size: 1.4rem; font-style: normal; transition: transform .2s ease; }
details[open] summary i { transform: rotate(45deg); }
details p { margin: 0; padding: 0 3rem 1.4rem 0; color: #607487; }
footer { min-height: 170px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 1rem; padding: 2rem clamp(1.4rem, 6vw, 7rem); color: var(--white); background: #0e2b42; }
footer p { margin: 0; font-size: .65rem; letter-spacing: .14em; }
footer p:last-child { justify-self: end; }
footer .logo small { color: #b7c6d2; }
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; } .hero-visual { min-height: 560px; }
  .intro, .checker, .faq { grid-template-columns: 1fr; } .checker-side { position: static; }
}
@media (max-width: 680px) {
  .topbar { grid-template-columns: 1fr auto; } .topbar > p { display: none; }
  .hero-copy { min-height: 590px; } .hero-visual { min-height: 500px; }
  .visual-card { width: 175px; min-height: 118px; } .card-b { right: 3%; } .card-c { left: 8%; }
  .metrics { grid-template-columns: 1fr 1fr; } .metrics div:nth-child(2) { border-right: 0; }
  .steps, .trust-grid, .tiles, .rows { grid-template-columns: 1fr; } .steps article { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .steps article:last-child { border-bottom: 0; } .steps h3 { margin-top: .8rem; }
  .trust-heading { display: block; } .trust-grid article { min-height: auto; } .trust-grid h3 { margin-top: 1.6rem; }
  footer { grid-template-columns: 1fr; } footer p:last-child { justify-self: start; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }