:root {
  --ink: #111111;
  --paper: #fffdf7;
  --red: #e3262e;
  --yellow: #ffd42a;
  --green: #21b66f;
  --sky: #92d9f7;
  --line: 4px;
  --shadow: 8px 8px 0 var(--ink);
  --display: "Source Han Sans JP", "Arial Black", "Hiragino Kaku Gothic ProN", sans-serif;
  --body: "Source Han Sans JP", Arial, "Hiragino Kaku Gothic ProN", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--body); font-weight: 700; line-height: 1.5; }
body, button, a { -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; }
.shell { width: min(1440px, calc(100% - 48px)); margin: 0 auto; }
.section-rule { border-bottom: var(--line) solid var(--ink); }

.site-header { position: sticky; top: 0; z-index: 10; background: var(--paper); border-bottom: var(--line) solid var(--ink); }
.header-inner { min-height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 8px; font-family: var(--display); letter-spacing: -0.08em; white-space: nowrap; }
.brand-mark { display: inline-grid; place-items: center; width: 47px; height: 39px; border: var(--line) solid var(--ink); background: var(--ink); color: var(--paper); font-size: 1.2rem; letter-spacing: -0.11em; }
.brand-name { font-size: 1.45rem; }
.main-nav { display: flex; align-items: center; gap: 2px; font-family: var(--display); font-size: .78rem; letter-spacing: .03em; }
.main-nav > a:not(.button) { padding: 11px 13px; border-left: 2px solid var(--ink); }
.main-nav > a:not(.button):hover, .main-nav > a:not(.button):focus-visible { background: var(--yellow); }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 56px; padding: 14px 22px; border: var(--line) solid var(--ink); background: var(--paper); box-shadow: var(--shadow); font-family: var(--display); font-size: .9rem; line-height: 1.1; transition: transform .16s ease, box-shadow .16s ease, background .16s ease; }
.button:hover, .button:focus-visible { transform: translate(4px, 4px); box-shadow: 4px 4px 0 var(--ink); }
.button:active { transform: translate(8px, 8px); box-shadow: none; }
.button--red { background: var(--red); color: var(--paper); }
.button--black { background: var(--ink); color: var(--paper); }
.button--white { background: var(--paper); color: var(--ink); }
.button--small { min-height: 48px; padding: 11px 15px; box-shadow: 5px 5px 0 var(--ink); font-size: .75rem; }
.menu-toggle, .mobile-menu { display: none; }

.hero { overflow: hidden; background: var(--paper); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(360px, 5fr); gap: clamp(32px, 6vw, 100px); padding-top: clamp(76px, 9vw, 140px); padding-bottom: 72px; }
.hero-copy { align-self: center; }
.eyebrow, .section-index, .micro-label, .card-topline, .channel-handle, .hero-footer, .data-note, .final-meta, .site-footer small { font-family: var(--display); font-size: .72rem; letter-spacing: .07em; line-height: 1.4; }
.eyebrow { margin: 0 0 28px; }
.hero h1 { max-width: 930px; margin: 0; font-family: var(--display); font-size: clamp(4rem, 8.6vw, 9.3rem); font-weight: 900; letter-spacing: -.095em; line-height: .86; }
.hero-line { display: block; white-space: nowrap; }
.highlight { display: inline-block; padding: .02em .12em .07em; color: var(--ink); }
.highlight--yellow { background: var(--yellow); }
.highlight--black { background: var(--ink); color: var(--paper); }
.hero-channel { margin: 38px 0 12px; font-family: var(--display); font-size: clamp(1.35rem, 2.1vw, 2.2rem); font-weight: 900; letter-spacing: -.07em; }
.hero-stats { display: flex; flex-wrap: nowrap; width: min(100%, 650px); margin: 22px 0 28px; border: var(--line) solid var(--ink); background: var(--paper); }
.hero-stat { display: flex; flex: 1 1 0; min-width: 0; align-items: baseline; gap: clamp(5px, .8vw, 10px); padding: 12px clamp(8px, 1.2vw, 16px) 14px; }
.hero-stat + .hero-stat { border-left: var(--line) solid var(--ink); }
.hero-stat strong { font-family: var(--display); font-size: clamp(2.25rem, 3.8vw, 4.5rem); line-height: .8; letter-spacing: -.12em; white-space: nowrap; }
.hero-stat--total strong { font-size: clamp(2rem, 2.9vw, 3.4rem); }
.hero-stat span { font-family: var(--display); font-size: .72rem; letter-spacing: .03em; white-space: nowrap; }
.hero-body { max-width: 620px; margin: 0; font-size: clamp(1rem, 1.4vw, 1.28rem); line-height: 1.9; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 28px; margin-top: 35px; }
.text-link { border-bottom: 3px solid var(--ink); padding-bottom: 4px; font-family: var(--display); font-size: .92rem; }
.text-link:hover, .text-link:focus-visible { color: var(--red); border-color: var(--red); }
.channel-handle { margin: 38px 0 0; color: #555; }
.hero-media { position: relative; padding: 22px 18px 22px 0; }
.latest-card { position: relative; border: var(--line) solid var(--ink); background: var(--paper); box-shadow: var(--shadow); }
.card-topline { display: flex; align-items: center; justify-content: space-between; min-height: 42px; padding: 9px 13px; border-bottom: var(--line) solid var(--ink); }
.thumbnail-link, .question-image { position: relative; display: block; overflow: hidden; background: var(--ink); }
.thumbnail-link img, .question-image img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform .25s ease; }
.thumbnail-link:hover img, .thumbnail-link:focus-visible img, .question-image:hover img, .question-image:focus-visible img { transform: scale(1.04); }
.play-button { position: absolute; left: 50%; top: 50%; display: grid; place-items: center; width: 66px; height: 66px; transform: translate(-50%, -50%); border: var(--line) solid var(--ink); background: var(--red); color: var(--paper); font-size: 1.5rem; }
.latest-copy { padding: 19px 20px 23px; }
.micro-label { margin: 0 0 9px; color: var(--red); }
.latest-copy h2 { margin: 0; font-family: var(--display); font-size: clamp(1.2rem, 2vw, 2rem); font-weight: 900; letter-spacing: -.065em; line-height: 1.15; }
.meta { margin: 15px 0 0; color: #555; font-size: .78rem; letter-spacing: .03em; }
.hero-footer { display: flex; justify-content: space-between; padding: 18px 0; border-top: 2px solid var(--ink); }

.what-section { padding: clamp(82px, 10vw, 150px) 0; background: var(--sky); }
.section-heading { margin-bottom: 65px; }
.section-heading--compact { display: grid; grid-template-columns: minmax(130px, .55fr) minmax(0, 1.45fr); gap: 35px; align-items: start; }
.section-heading--compact h2 { font-size: clamp(3rem, 5vw, 5.8rem); }
.section-heading--single { margin-bottom: 65px; }
.what-line { display: block; white-space: nowrap; }
.section-index { margin: 0; font-size: .82rem; }
.section-heading h2, .final-cta h2 { margin: 10px 0 0; font-family: var(--display); font-size: clamp(3rem, 6vw, 6.7rem); font-weight: 900; letter-spacing: -.105em; line-height: .93; }
.section-lead { max-width: 450px; margin: 0; font-size: clamp(1rem, 1.35vw, 1.25rem); line-height: 1.85; }
.what-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: var(--line) solid var(--ink); }
.what-card { min-height: 290px; padding: 25px; border-right: var(--line) solid var(--ink); }
.what-card:last-child { border-right: 0; }
.what-card:nth-child(2) { background: var(--paper); }
.what-card h3 { margin: 52px 0 18px; font-family: var(--display); font-size: clamp(1.45rem, 2.3vw, 2.4rem); font-weight: 900; letter-spacing: -.08em; line-height: 1.1; }
.what-card p:last-child { max-width: 300px; margin: 0; line-height: 1.8; }

.questions-section { padding: clamp(82px, 10vw, 150px) 0; background: var(--paper); }
.question-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; align-items: start; }
.question-card { border: var(--line) solid var(--ink); box-shadow: 7px 7px 0 var(--ink); transition: transform .16s ease, box-shadow .16s ease; }
.question-card:hover, .question-card:focus-within { transform: translate(-4px, -4px); box-shadow: 11px 11px 0 var(--ink); }
.question-card--red .card-topline, .question-card--red .card-link { background: var(--red); color: var(--paper); }
.question-card--yellow .card-topline, .question-card--yellow .card-link { background: var(--yellow); }
.question-card--green .card-topline, .question-card--green .card-link { background: var(--green); }
.question-copy { padding: 20px 20px 22px; }
.question-copy h3 { min-height: 106px; margin: 0; font-family: var(--display); font-size: clamp(1.3rem, 2.15vw, 2.05rem); font-weight: 900; letter-spacing: -.08em; line-height: 1.18; }
.card-link { display: block; margin-top: 22px; padding: 12px 13px; border: 2px solid var(--ink); font-family: var(--display); font-size: .77rem; text-align: center; }
.card-link:hover, .card-link:focus-visible { background: var(--ink); color: var(--paper); }

.proof-section { padding: clamp(85px, 10vw, 150px) 0 130px; background: var(--ink); color: var(--paper); }
.proof-intro { display: grid; grid-template-columns: 1fr 2fr 1fr; gap: 35px; align-items: end; margin-bottom: 56px; }
.proof-intro h2 { display: flex; align-items: end; gap: 17px; margin: 0; font-family: var(--display); font-weight: 900; line-height: .8; }
.proof-number { color: var(--green); font-size: clamp(8rem, 18vw, 18rem); letter-spacing: -.15em; }
.proof-intro h2 span:last-child { font-size: clamp(2rem, 4vw, 4.2rem); letter-spacing: -.1em; }
.proof-intro > p:not(.section-index):not(.data-note) { max-width: 290px; margin: 0; line-height: 1.8; }
.data-note { align-self: end; margin: 0; color: #aaa; font-size: .68rem; }
.video-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 52px; }
.video-item { display: block; position: relative; min-width: 0; border-top: 2px solid #666; padding-top: 12px; }
.video-item img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; filter: grayscale(100%); transition: filter .2s ease, transform .2s ease; }
.video-item:hover img, .video-item:focus-visible img { filter: grayscale(0); transform: translateY(-4px); }
.video-item span { display: inline-block; margin-top: 10px; color: var(--green); font-family: var(--display); font-size: .75rem; }
.video-item strong { display: block; margin-top: 6px; font-family: var(--display); font-size: 1.02rem; font-weight: 900; letter-spacing: -.06em; line-height: 1.25; }

.profile-section { padding: clamp(82px, 10vw, 150px) 0; background: var(--sky); }
.profile-heading { display: grid; grid-template-columns: minmax(130px, .55fr) minmax(0, 1.45fr) minmax(220px, .7fr); gap: 35px; align-items: end; margin-bottom: 42px; }
.profile-kicker { margin: 0 0 12px; color: var(--red); font-family: var(--display); font-size: .72rem; letter-spacing: .07em; }
.profile-heading h2 { margin: 0; font-family: var(--display); font-size: clamp(3rem, 5.4vw, 6rem); font-weight: 900; letter-spacing: -.105em; line-height: .93; }
.profile-intro { max-width: 300px; margin: 0 0 5px; font-size: clamp(1rem, 1.2vw, 1.15rem); line-height: 1.8; }
.resume-sheet { border: var(--line) solid var(--ink); background: var(--paper); box-shadow: var(--shadow); }
.resume-topline, .resume-bottomline { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 13px 18px; font-family: var(--display); font-size: .7rem; letter-spacing: .06em; }
.resume-topline { border-bottom: var(--line) solid var(--ink); }
.resume-bottomline { border-top: var(--line) solid var(--ink); background: var(--yellow); }
.resume-bottomline a { border-bottom: 2px solid var(--ink); }
.resume-bottomline strong { color: var(--red); }
.resume-id-grid { display: grid; grid-template-columns: 1.25fr .75fr; }
.resume-field { min-height: 138px; padding: 18px 22px; border-bottom: 2px solid var(--ink); }
.resume-field:nth-child(odd) { border-right: 2px solid var(--ink); }
.resume-field span, .resume-career-head { color: var(--red); font-family: var(--display); font-size: .68rem; letter-spacing: .07em; }
.resume-field strong { display: block; margin-top: 22px; font-family: var(--display); font-size: clamp(1.15rem, 2vw, 2rem); font-weight: 900; letter-spacing: -.08em; line-height: 1.1; }
.resume-field--name { background: var(--yellow); }
.resume-field--name strong { margin-top: 15px; font-size: clamp(2.5rem, 5vw, 5.8rem); letter-spacing: -.13em; line-height: .86; }
.resume-field small { display: block; margin-top: 10px; font-family: var(--display); font-size: .7rem; letter-spacing: .08em; }
.resume-field p { max-width: 650px; margin: 22px 0 0; line-height: 1.7; }
.resume-career { border-bottom: 2px solid var(--ink); }
.resume-career-head { display: flex; justify-content: space-between; padding: 14px 22px; border-bottom: 2px solid var(--ink); }
.career-row { display: grid; grid-template-columns: 150px 1.1fr 1fr; gap: 20px; align-items: center; min-height: 63px; padding: 10px 22px; border-bottom: 1px solid var(--ink); }
.career-row:last-child { border-bottom: 0; }
.career-row b, .career-row strong { font-family: var(--display); }
.career-row b { color: var(--red); font-size: .82rem; }
.career-row strong { font-size: 1.08rem; letter-spacing: -.06em; }
.career-row span { font-size: .85rem; }
.career-row--current { background: #d5f3df; }
.final-cta { background: var(--red); color: var(--paper); }
.final-cta-inner { position: relative; min-height: 650px; padding: clamp(70px, 10vw, 140px) 0; }
.final-cta h2 { max-width: 950px; font-size: clamp(4rem, 9vw, 9rem); }
.final-cta .button { margin-top: 50px; }
.final-meta { position: absolute; right: 0; bottom: 70px; margin: 0; text-align: right; }
.site-footer { padding: 28px 0 35px; background: var(--ink); color: var(--paper); }
.site-footer .shell { display: flex; align-items: center; gap: 35px; flex-wrap: wrap; }
.site-footer .brand-mark { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.site-footer p { margin: 0 auto 0 0; font-family: var(--display); letter-spacing: -.07em; }
.site-footer small { width: 100%; color: #aaa; }

.reveal { opacity: 1; transform: none; transition: opacity .32s ease, transform .32s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal--delay { transition-delay: .12s; }
.reveal--delay-1 { transition-delay: .08s; }
.reveal--delay-2 { transition-delay: .16s; }
:focus-visible { outline: 4px solid var(--yellow); outline-offset: 4px; }

@media (max-width: 1120px) {
  .main-nav > a:not(.button) { padding-inline: 8px; font-size: .68rem; }
  .hero-grid { gap: 40px; }
  .section-heading--compact, .proof-intro { grid-template-columns: .7fr 1.8fr; gap: 22px; }
}

@media (max-width: 820px) {
  .shell { width: min(100% - 32px, 680px); }
  .header-inner { min-height: 68px; }
  .main-nav { display: none; }
  .menu-toggle { display: inline-flex; min-height: 44px; padding: 8px 12px; border: 3px solid var(--ink); background: var(--paper); font-family: var(--display); font-size: .75rem; cursor: pointer; }
  .mobile-menu { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; max-height: 0; overflow: hidden; border-top: 0 solid var(--ink); transition: max-height .2s ease, border-width .2s ease; }
  .mobile-menu.is-open { max-height: 360px; border-top-width: 3px; }
  .mobile-menu a:not(.button) { padding: 17px 16px; border-bottom: 2px solid var(--ink); font-family: var(--display); font-size: .8rem; }
  .mobile-menu .button { grid-column: 1 / -1; margin: 16px; box-shadow: 5px 5px 0 var(--ink); }
  .hero-grid { grid-template-columns: 1fr; padding-top: 70px; }
  .hero h1 { font-size: clamp(4.1rem, 14vw, 6.7rem); }
  .hero-media { max-width: 590px; margin: 0 auto; width: calc(100% - 15px); }
  .hero-stats { width: 100%; }
  .hero-stat { justify-content: center; gap: 6px; padding-inline: 8px; }
  .hero-stat strong { font-size: clamp(1.9rem, 7vw, 3rem); }
  .hero-stat--total strong { font-size: clamp(1.75rem, 5.5vw, 2.4rem); }
  .hero-stat span { font-size: .58rem; }
  .section-heading--compact, .proof-intro, .profile-heading { grid-template-columns: 1fr; gap: 25px; }
  .section-heading--compact h2 { font-size: clamp(2.8rem, 10.5vw, 5.5rem); }
  .what-grid, .question-grid { grid-template-columns: 1fr; }
  .what-card { min-height: 0; border-right: 0; border-bottom: var(--line) solid var(--ink); }
  .what-card:last-child { border-bottom: 0; }
  .what-card h3 { margin-top: 32px; }
  .question-copy h3 { min-height: 0; }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-intro h2 { align-items: end; }
  .proof-intro > p:not(.section-index):not(.data-note) { max-width: 500px; }
  .data-note { margin-top: 10px; }
  .section-heading--single { margin-bottom: 38px; }
  .profile-heading { margin-bottom: 38px; }
  .profile-heading h2 { font-size: clamp(3.5rem, 13vw, 5.5rem); }
  .profile-intro { max-width: 500px; }
  .resume-id-grid { grid-template-columns: 1fr; }
  .resume-field:nth-child(odd) { border-right: 0; }
  .resume-field:last-child { border-bottom: 0; }
  .career-row { grid-template-columns: 1fr; gap: 4px; padding: 14px 18px; }
  .career-row b { font-size: .72rem; }
  .career-row strong { font-size: 1.1rem; }
  .career-row span { font-size: .82rem; }
  .resume-bottomline { align-items: flex-start; flex-wrap: wrap; }
  .final-cta-inner { min-height: 590px; }
  .final-meta { position: static; margin-top: 62px; text-align: left; }
  .site-footer .shell { gap: 18px; }
}

@media (max-width: 480px) {
  .shell { width: calc(100% - 28px); }
  .brand-name { font-size: 1.18rem; }
  .brand-mark { width: 41px; height: 35px; font-size: 1rem; }
  .hero-grid { padding-top: 55px; padding-bottom: 52px; }
  .hero-stat { flex-direction: column; align-items: center; gap: 5px; padding: 10px 4px 11px; }
  .hero-stat strong { font-size: clamp(1.5rem, 7.5vw, 2.05rem); }
  .hero-stat span { font-size: .56rem; letter-spacing: 0; }
  .hero h1 { font-size: clamp(3.25rem, 14vw, 5rem); }
  .hero-body { font-size: .95rem; line-height: 1.8; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 20px; }
  .button { width: 100%; }
  .hero-footer { font-size: .59rem; }
  .hero-footer span:last-child { max-width: 150px; text-align: right; }
  .section-heading h2 { font-size: clamp(3.5rem, 16vw, 5.4rem); }
  .proof-number { font-size: 8rem; }
  .proof-intro h2 span:last-child { font-size: 2.35rem; }
  .video-grid { gap: 17px 12px; }
  .video-item strong { font-size: .9rem; }
  .final-cta h2 { font-size: clamp(3.6rem, 16vw, 5.3rem); }
  .final-cta-inner { min-height: 600px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}