:root{--navy:#082e6b;--blue:#0097d7;--pale:#f4f8fc;--ice:#dfefff;--ink:#111b2e;--muted:#617087;--red:#ee5364}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:#fff}
body{margin:0;color:var(--ink);font-family:"Hiragino Sans","Yu Gothic",Meiryo,sans-serif;background:#fff}
.mobile-bar{position:fixed;z-index:100;left:0;right:0;top:0;height:48px;padding:0 18px;display:flex;align-items:center;justify-content:space-between;background:#071c3aee;color:#fff;backdrop-filter:blur(12px)}
.mobile-bar span,.mobile-bar strong{font:800 9px/1 Arial;letter-spacing:.14em}.mobile-bar strong{color:#9ed9f5}.mobile-bar i{position:absolute;left:0;bottom:0;height:3px;width:0;background:var(--blue);transition:width .12s linear}
.mobile-section{min-height:100svh;padding:82px 20px 58px;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}.pale-mobile{background:var(--pale)}
.section-number,.eyebrow{color:var(--blue);font:800 10px/1.2 Arial;letter-spacing:.12em;margin:0 0 15px}.mobile-section h2{font-size:clamp(30px,9vw,46px);line-height:1.22;letter-spacing:-.055em;margin:0 0 24px}.lead{font-size:17px;line-height:1.8;font-weight:800;margin:0;color:#304159}.key-message{margin:24px 0 0;padding:17px 18px;background:var(--navy);color:#fff;font-weight:800;line-height:1.65;border-radius:3px}
.mobile-hero{background:linear-gradient(155deg,#fff 0 65%,#edf7fc 65%);justify-content:flex-start;padding-top:90px}.mobile-hero h1{font-size:clamp(62px,22vw,96px);letter-spacing:-.08em;line-height:1;margin:25px 0 10px}.hero-mark{display:flex;align-items:center;gap:12px;color:var(--navy);font:bold 48px/1 Arial}.hero-mark span{color:var(--blue)}.hero-message{margin:0;color:var(--blue);font-weight:900;font-size:21px}.speaker-mobile{margin:auto 0 30px;color:#38506e;font-size:12px;font-weight:800;line-height:1.8}.start-link{align-self:flex-start;color:var(--blue);text-decoration:none;font:800 11px Arial;letter-spacing:.08em;border-bottom:1px solid #85cce9;padding-bottom:5px}
.three-cards{display:grid;gap:12px;margin-top:26px}.three-cards article{background:#fff;border-top:5px solid var(--navy);padding:18px;box-shadow:0 8px 25px #173b6110}.three-cards article:nth-child(2){border-color:var(--blue)}.three-cards article:nth-child(3){border-color:#64bbe3}.three-cards small,.value-mobile small,.tech-shift small,.learning-mobile small,.final-pair small{display:block;color:var(--blue);font:800 9px Arial;letter-spacing:.1em}.three-cards b{display:block;font-size:22px;margin:5px 0}.three-cards p{margin:0;color:var(--muted);font-size:13px;line-height:1.6}
.career-mobile{list-style:none;padding:0;margin:4px 0 0;position:relative}.career-mobile:before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:#bad0df}.career-mobile li{position:relative;display:grid;grid-template-columns:58px 1fr;gap:2px 12px;padding:0 0 24px 31px}.career-mobile li:before{content:"";position:absolute;left:0;top:4px;width:16px;height:16px;border-radius:50%;background:var(--blue);border:4px solid var(--pale)}.career-mobile li:nth-child(even):before{background:var(--red)}.career-mobile small{grid-row:1/3;color:var(--blue);font-weight:800}.career-mobile b{font-size:21px}.career-mobile span{color:var(--muted);font-size:12px;font-weight:800}
.contrast-mobile,.tech-shift{display:grid;gap:11px}.contrast-mobile article,.tech-shift article{background:var(--pale);padding:19px;border-top:5px solid var(--navy)}.contrast-mobile>span,.tech-shift>span{text-align:center;color:var(--blue);font-size:27px}.contrast-mobile small{color:var(--muted);font-weight:800}.contrast-mobile b,.tech-shift b{display:block;font-size:20px;line-height:1.5;margin:8px 0}.contrast-mobile p,.tech-shift p{margin:0;color:var(--muted);line-height:1.65;font-size:13px}.contrast-mobile .accent-card,.tech-shift .accent-card{background:var(--ice);border-color:var(--blue)}.photo-pair{display:grid;grid-template-columns:1.25fr .75fr;gap:8px;height:210px;margin-top:18px}.photo-pair img{width:100%;height:100%;object-fit:contain;background:#eef3f8;border:5px solid #fff;box-shadow:0 8px 20px #193c6120}
.formula-mobile{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:8px}.formula-mobile p{margin:0;padding:15px 7px;border-bottom:4px solid var(--blue);text-align:center;font-weight:800;font-size:13px;line-height:1.55}.formula-mobile b{color:var(--blue);font-size:24px}.value-mobile{display:grid;gap:8px;margin-top:22px}.value-mobile article{background:#fff;padding:15px;border-left:5px solid var(--blue)}.value-mobile b{display:block;margin-top:5px;line-height:1.5}
.attention-photo{position:relative;height:250px;border-radius:6px;overflow:hidden;background:#d7e1eb}.attention-photo img{width:100%;height:100%;object-fit:cover;transition:filter .3s ease,transform .3s ease}.mobile-marker{position:absolute;opacity:0;transition:opacity .25s ease,transform .25s ease}.dentist-dot{left:74%;top:26%;width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:#0097d7dd;color:#fff;font-weight:900;border:3px solid #9bdcf7}.red-dot{width:18px;height:18px;border-radius:50%;background:var(--red);box-shadow:0 0 0 8px #ee536455}.red-a{left:60%;top:57%}.red-b{left:84%;top:70%}.triangle-dot{width:0;height:0;border-left:13px solid transparent;border-right:13px solid transparent;border-bottom:23px solid var(--red)}.tri-a{left:64%;top:20%}.tri-b{left:85%;top:50%}.attention-mobile[data-focus="dentist"] .dentist-dot,.attention-mobile[data-focus="red"] .red-dot,.attention-mobile[data-focus="triangle"] .triangle-dot{opacity:1}.attention-mobile[data-focus="dentist"] .attention-photo img{filter:saturate(.75);transform:scale(1.02)}.tap-label{margin:16px 0 8px;color:var(--muted);font-size:11px;font-weight:800}.focus-buttons{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.focus-buttons button{border:1px solid #bfd0df;background:#fff;color:#4f6177;border-radius:999px;padding:10px 5px;font-size:10px;font-weight:800}.focus-buttons button.active{border-color:var(--blue);background:var(--blue);color:#fff}
.kqa-mobile{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:6px;align-items:center;margin:12px 0 30px}.kqa-mobile article{aspect-ratio:1;border-radius:50%;border:2px solid var(--blue);display:grid;place-content:center;text-align:center}.kqa-mobile article:nth-of-type(2){border-color:var(--navy)}.kqa-mobile article:nth-of-type(3){border-color:var(--red)}.kqa-mobile b{font-size:36px;color:var(--blue)}.kqa-mobile article:nth-of-type(2) b{color:var(--navy)}.kqa-mobile article:nth-of-type(3) b{color:var(--red)}.kqa-mobile span{font-size:9px;font-weight:800}.kqa-mobile i{font-style:normal;color:#93a5b9}
.learning-mobile{display:grid;grid-template-columns:1fr auto 1fr;gap:8px;align-items:center}.learning-mobile article{background:#fff;padding:24px 10px;text-align:center;border-top:5px solid var(--navy)}.learning-mobile article:last-child{background:var(--ice);border-color:var(--blue)}.learning-mobile b{display:block;font-size:18px;line-height:1.5;margin-top:8px}.learning-mobile>span{color:var(--blue);font-size:25px}
.mobile-final{background:var(--navy);color:#fff}.mobile-final .section-number,.mobile-final h2{color:#fff}.final-pair{display:grid;gap:10px}.final-pair article{padding:19px;background:#fff;color:var(--ink);border-left:5px solid var(--blue)}.final-pair b{display:block;margin-top:7px;font-size:18px;line-height:1.55}.mobile-final blockquote{margin:25px 0 0;padding:18px;border:1px solid #ffffff35;color:#bce5fa;font-weight:800;line-height:1.7}.final-message{font-size:15px;line-height:1.85;margin:24px 0}.thanks{margin:auto 0 0;color:#8dcfee;font-weight:900;font-size:20px}
@media(min-width:560px){body{background:#dfe7ef}.mobile-bar,main{width:480px;left:50%;right:auto;transform:translateX(-50%)}main{position:relative;background:#fff;margin:0 auto;box-shadow:0 0 45px #071c3a25}.mobile-section{padding-left:28px;padding-right:28px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.mobile-bar i,.attention-photo img,.mobile-marker{transition:none}}