@charset "UTF-8";
:root{--ink:#172538;--muted:#5b687a;--blue:#2355de;--blue-soft:#eef3ff;--pink:#d57898;--line:#dce3ed;--paper:#f8fafc;--white:#fff;--radius:16px;--width:1180px;font-family:"Segoe UI","Apple SD Gothic Neo","Malgun Gothic",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;scroll-behavior:smooth;scroll-padding-top:100px}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-underline-offset:5px}button,summary,a{-webkit-tap-highlight-color:transparent}button{font:inherit}button,a,summary{touch-action:manipulation}button{color:inherit}img{display:block;max-width:100%;height:auto}h1,h2,h3,h4,p,figure{margin:0}h1,h2,h3,h4{word-break:keep-all}p,li,dd{word-break:keep-all;overflow-wrap:anywhere}ul{margin:0;padding-left:1.15em}li+li{margin-top:.6rem}p,li,dd{line-height:1.8}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:5px}::selection{background:#c9d8ff}section[id],article[id]{scroll-margin-top:100px}.container{width:min(var(--width),calc(100% - 80px));margin-inline:auto}.skip-link{position:fixed;top:8px;left:8px;z-index:100;transform:translateY(-160%);background:var(--white);padding:12px 20px}.skip-link:focus{transform:translateY(0)}
.site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line);background:rgba(248,250,252,.96);backdrop-filter:blur(18px)}.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:80px;gap:24px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:750;letter-spacing:.04em;font-size:17px}.brand-mark{background:var(--ink);color:white;display:grid;place-items:center;width:36px;height:36px;font-size:19px;letter-spacing:-.06em}.brand small{font-size:12px;color:var(--muted);font-weight:500;margin-left:8px;letter-spacing:.1em}nav{display:flex;gap:32px;align-items:center}nav a{font-size:14px;text-decoration:none;color:var(--muted);padding:12px 0}nav a:hover,nav a[aria-current]{color:var(--blue)}.external-arrow{font-size:18px;margin-left:5px}
.hero{padding:74px 0 54px;position:relative;overflow:hidden}.hero-content{max-width:900px}.eyebrow{color:var(--blue);font:600 13px/1.6 "Consolas",monospace;letter-spacing:.13em;text-transform:uppercase}.hero h1{font-size:clamp(44px,5vw,72px);line-height:1.22;letter-spacing:-.055em;margin-top:22px;font-weight:750}.hero h1 span{display:block;color:var(--blue)}.hero-description{margin-top:26px;color:var(--muted);font-size:18px;line-height:1.9}.hero-actions{display:flex;gap:22px;align-items:center;margin-top:34px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:25px;border:1px solid var(--blue);padding:15px 22px;text-decoration:none;font-size:15px;font-weight:600;background:var(--blue);color:white;min-height:52px;border-radius:4px;transition:background .2s,transform .2s}.button:hover{background:#1944bc;transform:translateY(-2px)}.text-link{font-size:15px;text-decoration:none;border-bottom:1px solid var(--line);padding:9px 0}.text-link:hover{color:var(--blue);border-color:var(--blue)}.hero-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);margin-top:66px;padding-top:22px;gap:20px;font-size:13px;color:var(--muted)}.hero-bottom span:last-child{font-family:Consolas,monospace;letter-spacing:.08em}
.section-intro{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:44px}.section-intro h2{font-size:38px;letter-spacing:-.04em;line-height:1.25;margin-top:10px}.section-intro p{max-width:410px;color:var(--muted);font-size:16px}.projects{padding:54px 0 70px}.project-index{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-block:1px solid var(--line);margin-bottom:76px}.project-index a{display:flex;align-items:center;gap:18px;padding:23px 24px;text-decoration:none;transition:background .2s}.project-index a+ a{border-left:1px solid var(--line)}.project-index a:hover{background:var(--blue-soft)}.index-number{font:13px Consolas,monospace;color:var(--blue)}.project-index strong{display:block;font-size:16px;font-weight:650}.project-index small{display:block;color:var(--muted);margin-top:6px;font-size:13px}.index-arrow{margin-left:auto;font-size:20px;color:var(--muted)}
.project{margin-bottom:88px}.project:last-child{margin-bottom:0}.project-heading{display:flex;align-items:baseline;gap:20px;margin-bottom:26px}.project-number{font:15px Consolas,monospace;color:var(--blue);flex-shrink:0}.project-heading h3{font-size:32px;letter-spacing:-.045em}.project-heading .project-category{margin-left:auto;font:12px Consolas,monospace;letter-spacing:.08em;color:var(--muted);text-align:right}.project-overview{display:grid;grid-template-columns:1.2fr 1fr;gap:44px;align-items:center}.project-visual{margin:0;border:1px solid var(--line);background:#eaf0f8;overflow:hidden;border-radius:var(--radius)}.image-button{display:block;padding:0;border:0;width:100%;background:none;cursor:zoom-in;text-align:inherit}.project-visual .image-button{padding:28px 22px}.project-visual .image-button img{width:100%;box-shadow:0 10px 20px #17304c13;border:1px solid #d3dce9;border-radius:5px}.project-visual figcaption{font-size:13px;color:var(--muted);padding:0 22px 20px;line-height:1.7;display:flex;justify-content:space-between;gap:10px}.project-visual figcaption span:last-child{font-size:12px;color:var(--blue);flex-shrink:0}.project-description h4{font-size:23px;line-height:1.5;letter-spacing:-.035em}.project-meta{display:flex;flex-wrap:wrap;gap:8px 23px;margin:17px 0 23px;font-size:14px;color:var(--muted)}.project-meta span+span{border-left:1px solid var(--line);padding-left:23px}.project-description ul{font-size:16px;line-height:1.8;margin-bottom:24px}.techline{font:13px/1.9 Consolas,"Malgun Gothic",monospace;color:var(--blue);border-top:1px solid var(--line);padding-top:16px}.detail{border:1px solid var(--line);border-radius:10px;margin-top:28px;background:white;overflow:hidden}.detail summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;padding:24px 27px;font-size:16px;font-weight:650;line-height:1.6}.detail summary::-webkit-details-marker{display:none}.detail summary:after{content:"+";margin-left:auto;font:24px/1 Consolas,monospace;color:var(--blue)}.detail[open] summary:after{content:"−"}.detail[open] summary{border-bottom:1px solid var(--line)}.detail summary small{color:var(--muted);font-weight:400;font-size:13px;margin-left:auto;padding-left:20px}.detail summary small+span{margin-left:0}.detail-body{padding:32px}.detail-section+.detail-section{border-top:1px solid var(--line);margin-top:32px;padding-top:32px}.detail-title{font-size:18px;letter-spacing:-.02em;line-height:1.6;margin-bottom:20px}.label{font:12px/1.5 Consolas,monospace;letter-spacing:.1em;color:var(--blue);display:block;margin-bottom:8px}.architecture{border:1px solid var(--line);background:var(--paper);border-radius:8px;padding:24px}.architecture .arch-caption{font-size:13px;line-height:1.7;color:var(--muted);margin-bottom:20px}.flow{display:flex;align-items:stretch;gap:12px}.flow-node{flex:1;min-width:0;padding:18px 15px;background:white;border:1px solid #cbd7e9;border-radius:6px}.flow-node strong{display:block;font-size:15px;line-height:1.7}.flow-node p{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.8}.flow-node .node-label{display:block;font:11px/1.5 Consolas,monospace;color:var(--blue);margin-bottom:8px;letter-spacing:.06em}.flow-node.accent{background:var(--blue-soft);border-color:#acbff0}.flow-connector{align-self:center;flex-shrink:0;color:var(--blue);font-size:22px}.flow-note{font-size:14px;line-height:1.8;color:var(--muted);margin-top:16px}.subflow{display:flex;gap:12px;margin-top:12px;padding-left:0}.subflow .flow-node{background:#f1f5f9}.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}.case-grid ul{font-size:15px}.case-facts{display:grid;gap:18px}.case-facts dt{font-size:14px;font-weight:650;color:var(--blue);margin-bottom:5px}.case-facts dd{margin:0;font-size:15px}.result{margin-top:22px;border-left:3px solid var(--pink);padding:13px 20px;background:var(--paper);font-size:15px;line-height:1.9}.result strong{font-size:14px;display:block;color:var(--ink);margin-bottom:5px}.detail-image{background:var(--paper);border:1px solid var(--line);padding:20px;border-radius:6px}.detail-image img{width:100%;object-fit:contain}.detail-image figcaption{font-size:13px;color:var(--muted);line-height:1.7;margin-top:12px}.cons-visual{background:#eaf0f3}.phone-screens{display:flex;gap:15px;align-items:center;justify-content:center;padding:25px 32px 20px}.phone-screens img{width:calc((100% - 30px)/3);aspect-ratio: .462;object-fit:contain;filter:drop-shadow(0 7px 10px #14273512);border-radius:8px}.phone-screens button{width:calc((100% - 30px)/3)}.phone-screens button img{width:100%}.bookies-visual{background:#fff4df}.bookies-visual .image-button{padding:49px 24px}.bookies-visual .image-button img{border-color:#e4d4b6}.implementation-list{counter-reset:steps;display:grid;grid-template-columns:repeat(3,1fr);gap:26px}.implementation-list div{counter-increment:steps}.implementation-list div:before{content:"0" counter(steps);font:13px Consolas,monospace;color:var(--blue);display:block;margin-bottom:10px}.implementation-list h5{font-size:16px;margin:0 0 10px}.implementation-list ul{font-size:14px;color:var(--muted)}
.about{padding:85px 0;background:white;border-top:1px solid var(--line)}.about-grid{display:grid;grid-template-columns:340px 1fr;gap:90px}.profile-heading{display:flex;align-items:center;gap:22px;margin-top:25px}.profile-photo{width:86px;height:105px;object-fit:cover;object-position:center top;border-radius:4px}.profile-heading h2{font-size:32px;letter-spacing:-.04em}.profile-heading p{font-size:14px;color:var(--blue);margin-top:5px}.about-copy{font-size:17px;margin-top:26px;line-height:1.9}.skill-groups{margin-top:34px}.skill-group+.skill-group{margin-top:22px}.skill-group h3{font-size:14px;margin-bottom:9px}.skill-group p{font-size:14px;color:var(--muted);line-height:1.9}.experience-heading{font-size:22px;letter-spacing:-.02em;margin-bottom:24px}.timeline{margin:0}.timeline-item{display:grid;grid-template-columns:145px 1fr;gap:16px;border-top:1px solid var(--line);padding:22px 0}.timeline-item dt{font:12px/1.9 Consolas,monospace;color:var(--muted);padding-top:2px}.timeline-item dd{margin:0;font-size:16px;font-weight:650}.timeline-item dd span{display:block;color:var(--muted);font-size:14px;font-weight:400;margin-top:4px}.awards{padding-top:26px;border-top:1px solid var(--line);margin-top:10px}.awards h3{font-size:16px;margin-bottom:14px}.awards ul{font-size:14px;color:var(--muted);columns:2;column-gap:30px}.awards li{break-inside:avoid;margin-bottom:10px}.contact{padding:78px 0 48px;background:var(--ink);color:white}.contact .eyebrow{color:#a5bbff}.contact-grid{display:flex;justify-content:space-between;gap:50px;align-items:flex-end}.contact h2{font-size:40px;letter-spacing:-.045em;line-height:1.35;margin-top:16px}.contact-links{display:grid;gap:15px;min-width:340px}.contact-links a{display:flex;justify-content:space-between;gap:25px;align-items:center;text-decoration:none;border-bottom:1px solid #405067;padding-bottom:15px;font-size:16px}.contact-links a:hover{color:#abc0ff}.contact-links a span:first-child{color:#b3bfd1;font-size:13px;min-width:52px}.footer-line{border-top:1px solid #405067;display:flex;justify-content:space-between;gap:25px;padding-top:25px;margin-top:65px;color:#b3bfd1;font-size:12px}.footer-line a{color:inherit;text-decoration:none}
.image-dialog{padding:20px;border:1px solid var(--line);border-radius:12px;max-width:min(1100px,94vw);max-height:94vh;background:var(--paper)}.image-dialog::backdrop{background:rgba(9,20,37,.8);backdrop-filter:blur(6px)}.dialog-toolbar{display:flex;justify-content:space-between;align-items:center;gap:30px;margin-bottom:14px}.dialog-close{border:1px solid var(--line);border-radius:5px;background:white;padding:10px 14px;cursor:pointer;font-size:14px;flex-shrink:0}.image-dialog img{max-height:76vh;max-width:100%;margin:auto;object-fit:contain}body:has(dialog[open]){overflow:hidden}
.application-architecture{margin:0;background:#fff}.application-map{overflow:auto;border:1px solid var(--line);border-radius:10px;background:#fff;overscroll-behavior:contain}.diagram-button{width:100%;cursor:zoom-in}.diagram-button img{width:100%;height:auto}.application-architecture figcaption{display:flex;justify-content:space-between;gap:20px;margin-top:15px;font-size:14px;line-height:1.7;color:var(--muted)}.application-architecture figcaption span:last-child{color:var(--blue);flex-shrink:0}.diagram-scroll-hint{display:none}.dialog-viewport{max-height:76vh;overflow:auto;overscroll-behavior:contain}.image-dialog.is-diagram{width:min(1400px,96vw);max-width:96vw}.image-dialog.is-diagram .dialog-viewport img{width:1320px;max-width:none;max-height:none}.application-map:focus-visible{outline:3px solid var(--blue);outline-offset:4px}
@media(max-width:760px){.diagram-button{min-width:980px}.application-architecture figcaption{flex-direction:column;gap:6px;font-size:14px}.diagram-scroll-hint{display:block;font-size:14px;color:var(--muted);margin-top:10px}.application-map{border-radius:6px}.detail summary{flex-wrap:wrap}}
.phone-screens .image-button{padding:0}
@media(min-width:1450px){.hero{padding-top:95px}.hero h1{font-size:76px}}
@media(max-width:1000px){.container{width:calc(100% - 48px)}.hero h1{font-size:50px}.hero-description{font-size:16px}.project-overview{gap:28px}.project-description h4{font-size:21px}.project-meta{gap:6px 12px}.project-meta span+span{padding-left:12px}.about-grid{grid-template-columns:290px 1fr;gap:45px}.timeline-item{grid-template-columns:1fr;gap:7px}.project-index a{padding-inline:16px;gap:12px}.project-index small{font-size:12px}.flow{gap:8px}.flow-node{padding:15px 12px}.flow-connector{font-size:18px}.detail-body{padding:25px}.contact-links{min-width:310px}}
@media(max-width:760px){:root{scroll-padding-top:80px}.container{width:calc(100% - 40px)}.header-inner{min-height:68px;gap:15px}.brand{font-size:14px;gap:8px}.brand-mark{width:29px;height:29px;font-size:16px}.brand small{display:none}nav{gap:18px}nav a{font-size:13px}.nav-github{display:none}.hero{padding:48px 0 32px}.hero h1{font-size:clamp(44px,10.5vw,68px);margin-top:17px}.hero-description{font-size:17px;margin-top:22px}.hero-actions{margin-top:25px}.hero-bottom{margin-top:30px;padding-top:20px;align-items:flex-start;flex-direction:column;gap:7px}.hero-bottom span:last-child{font-size:11px}.section-intro{align-items:flex-start;flex-direction:column;gap:18px;margin-bottom:26px}.section-intro h2{font-size:32px}.section-intro p{font-size:15px}.projects{padding-top:30px;padding-bottom:50px}.project-index{grid-template-columns:1fr;margin-bottom:45px}.project-index a{padding:17px 12px}.project-index a+a{border-left:0;border-top:1px solid var(--line)}.project-index strong{font-size:15px}.project-index small{font-size:13px;margin-top:4px}.project-heading{gap:12px;flex-wrap:wrap;margin-bottom:20px}.project-heading h3{font-size:28px}.project-heading .project-category{width:100%;margin-left:29px;text-align:left;font-size:11px}.project-overview{grid-template-columns:1fr;gap:25px}.project-description h4{font-size:22px}.project-meta{font-size:13px}.project-description ul{font-size:15px}.project-visual .image-button{padding:18px 14px}.project-visual figcaption{padding:0 14px 15px;font-size:12px}.project-visual figcaption span:last-child{display:none}.bookies-visual .image-button{padding:35px 18px}.phone-screens{padding:24px 25px 19px;gap:12px}.phone-screens button{width:calc((100% - 24px)/3)}.detail{margin-top:24px}.detail summary{padding:19px 18px;font-size:15px;gap:10px}.detail summary small{display:none}.detail-body{padding:22px 18px}.architecture{padding:17px 14px}.flow{flex-direction:column;gap:10px}.flow-connector{transform:rotate(90deg);font-size:22px;line-height:1}.flow-node p{font-size:14px}.subflow{flex-direction:column}.case-grid{grid-template-columns:1fr;gap:25px}.case-facts{margin:0}.detail-title{font-size:18px}.result{font-size:14px;padding:12px 15px}.implementation-list{grid-template-columns:1fr;gap:24px}.implementation-list div+div{padding-top:20px;border-top:1px solid var(--line)}.project{margin-bottom:60px}.about{padding:55px 0}.about-grid{grid-template-columns:1fr;gap:46px}.profile-heading h2{font-size:29px}.skill-groups{display:grid;grid-template-columns:1fr;gap:20px}.skill-group+.skill-group{margin-top:0}.timeline-item{grid-template-columns:1fr;gap:5px;padding:18px 0}.awards ul{columns:1}.contact{padding:55px 0 28px}.contact-grid{flex-direction:column;align-items:stretch;gap:35px}.contact h2{font-size:34px}.contact-links{min-width:0}.contact-links a{font-size:14px;gap:10px}.footer-line{margin-top:40px;flex-direction:column;gap:12px}.image-dialog{padding:12px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
@media print{.site-header,.hero-actions,.project-index,.contact-links,.image-dialog,.skip-link{display:none!important}.container{width:100%}.hero,.projects,.about,.contact{padding:20px 0}.about-grid{display:block}.hero h1{font-size:38px}.hero-bottom{margin-top:25px}.project{break-inside:avoid;margin-bottom:30px}.project-overview{grid-template-columns:1fr 1fr}.detail{display:none}.contact{background:white;color:var(--ink)}.footer-line{color:var(--muted);margin-top:15px}.awards{display:none}}

/* Reading size and interactive image viewer */
:root{--muted:#47556b}
html{scroll-padding-top:100px}
body{font-size:18px;font-weight:500;line-height:1.8}
p,li,dd{font-weight:600}
strong,b{font-weight:750;color:var(--ink)}
.hero-description{font-size:22px;font-weight:550;line-height:1.8}
.hero-bottom{font-size:15px;font-weight:650}
.eyebrow,.label{font-size:14px;font-weight:700;letter-spacing:.08em}
.project-category{font-weight:700}
.section-intro h2{font-size:40px}
.project-description h4{font-size:26px;font-weight:750}
.project-description ul,.case-grid ul,.case-facts dd{font-size:18px;line-height:1.85}
.project-meta,.techline{font-size:16px;font-weight:600}
.detail summary{font-size:20px;font-weight:750}
.detail summary small{font-size:16px;font-weight:600}
.detail-body{padding:36px}
.detail-title{font-size:25px;font-weight:750;line-height:1.55;margin-bottom:28px}
.case-grid{gap:36px;align-items:start}
.case-facts{gap:24px}
.case-facts dt{font-size:19px;font-weight:750;margin-bottom:8px}
.case-facts dd ul,.result ul{margin:0;padding-left:23px}
.case-facts li+li,.result li+li{margin-top:7px}
.result{font-size:18px;line-height:1.8;padding:20px 24px;border-left-width:4px;margin-top:28px}
.result>strong{font-size:20px;font-weight:750;margin-bottom:10px;color:var(--blue)}
.flow-node strong{font-size:18px;font-weight:750}
.flow-node p,.flow-note{font-size:17px;font-weight:550}
.flow-node .node-label,.architecture .arch-caption{font-size:15px;font-weight:650}
.project-visual figcaption,.detail-image figcaption,.application-architecture figcaption{font-size:16px;font-weight:600;line-height:1.75}
.project-visual figcaption span:last-child{font-size:15px;font-weight:650}
.detail-image{padding:16px}
.implementation-demo{grid-template-columns:1fr 1.15fr}
.implementation-list h5{font-size:22px;font-weight:750}
.implementation-list ul{font-size:18px;font-weight:550;color:var(--ink)}
.implementation-list div:before{font-size:18px;font-weight:700}
.demo-figure figcaption{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}
.demo-toggle{font-family:inherit;font-weight:650;font-size:15px;line-height:1.4;border:1px solid #aebdd1;padding:10px 14px;border-radius:7px;background:#fff;color:var(--ink);cursor:pointer}

.application-map{overflow-x:auto;overflow-y:hidden;overscroll-behavior-x:contain;overscroll-behavior-y:auto}
.diagram-scroll-hint{display:block;font-size:16px;font-weight:600;color:var(--muted);margin-top:10px}
.about{padding:80px 0}
.about .section-intro{margin-bottom:35px}
.about-grid{grid-template-columns:1fr 1.25fr;gap:65px}
.profile-heading{margin-top:0}
.profile-photo{width:104px;height:126px}
.profile-heading h3{font-size:34px;line-height:1.4}
.profile-heading p{font-size:20px;font-weight:650}
.about-copy{font-size:23px;margin-top:25px}
.about-points{font-size:18px;margin-top:16px}
.experience-heading,.awards h3,.qualifications h3{font-size:26px;font-weight:750;margin-bottom:22px}
.timeline-item{grid-template-columns:165px 1fr;gap:18px}
.timeline-item dt{font-size:15px;font-weight:650}
.timeline-item dd{font-size:19px;font-weight:750}
.timeline-item dd span{font-size:17px;font-weight:550}
.skills-section{margin-top:52px;border-top:1px solid var(--line);padding-top:35px}
.skill-groups{display:grid;grid-template-columns:1fr 1fr;gap:28px 35px;margin-top:0}
.skill-group+.skill-group{margin-top:0}
.skill-group h3{font-size:19px;font-weight:700;margin-bottom:14px}
.skill-icons{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:0;padding:0}
.skill-icons li{display:flex;align-items:center;gap:10px;padding:11px 14px;border:1px solid var(--line);border-radius:9px;background:var(--paper);font-size:16px;font-weight:650;line-height:1.5}
.skill-icons img{width:34px;height:34px;object-fit:contain;flex-shrink:0}
.credentials-layout{display:grid;grid-template-columns:1.65fr 1fr;gap:45px;margin-top:52px;border-top:1px solid var(--line);padding-top:35px}
.awards{margin:0;padding:0;border:0}
.awards ul{columns:auto;color:var(--ink);font-size:18px}
.award-list,.qualification-list{list-style:none;padding:0;margin:0}
.award-list li{padding:17px 0;border-top:1px solid var(--line);margin:0}
.award-list li:first-child{border-top:0;padding-top:0}
.award-organizer{font-size:16px;font-weight:650;color:var(--blue);margin-bottom:4px}
.award-list h4{font-size:19px;font-weight:700;line-height:1.65}
.award-grade{display:inline-block;color:var(--blue);font-weight:800;white-space:nowrap}
.award-list time{font-size:16px;font-weight:600;color:var(--muted)}
.qualification-list{display:grid;gap:18px}
.qualification-list>li{border:1px solid var(--line);padding:23px;border-radius:10px;background:var(--paper)}
.qualification-list h4{font-size:23px;font-weight:750}
.qualification-grade{font-size:24px;font-weight:800;color:var(--blue);margin:8px 0 18px}
.qualification-grade span{font-size:17px;font-weight:650;display:block}
.qualification-list dl>div{display:grid;grid-template-columns:78px 1fr;gap:10px;font-size:16px}
.qualification-list dt{font-weight:650;color:var(--muted)}
.qualification-list dd{margin:0;font-weight:650}
.contact-links a{font-size:18px;font-weight:600}
.contact-links a span:first-child{font-size:16px;font-weight:650}
.footer-line{font-size:15px;font-weight:550}
.image-dialog{width:min(1400px,96vw);max-width:96vw;max-height:96vh;padding:18px;background:#fff;overflow:auto}
.dialog-toolbar{gap:16px;margin-bottom:12px}

.dialog-close{font-size:16px;font-weight:700}
.dialog-viewport{position:relative;height:68vh;max-height:760px;width:100%;overflow:hidden;overscroll-behavior:contain;touch-action:none;background:#edf1f6;border-radius:8px;cursor:grab;user-select:none}
.dialog-viewport.is-dragging{cursor:grabbing}
.image-dialog .dialog-viewport img{position:absolute;left:50%;top:50%;max-width:none;max-height:none;height:auto;margin:0;object-fit:initial;transform-origin:center;pointer-events:none;user-select:none}
.dialog-viewport:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
@media(max-width:1000px){.about-grid{gap:35px}.timeline-item{grid-template-columns:1fr;gap:5px}.credentials-layout{grid-template-columns:1.4fr 1fr;gap:28px}.implementation-demo{grid-template-columns:1fr}.demo-figure{max-width:793px;width:100%;margin:0 auto}.detail-title{font-size:23px}}
@media(max-width:760px){body{font-size:17px}.hero-description{font-size:19px}.hero-bottom{font-size:14px}.section-intro h2{font-size:34px}.about-grid,.credentials-layout,.skill-groups{grid-template-columns:1fr}.about-grid{gap:34px}.skill-groups{gap:24px}.credentials-layout{gap:35px}.project-description h4{font-size:23px}.project-description ul,.case-grid ul,.case-facts dd{font-size:17px}.detail-body{padding:22px 18px}.detail summary{font-size:18px}.detail summary small{font-size:16px;padding-left:0}.detail-title{font-size:22px}.case-facts dt{font-size:18px}.result{font-size:17px;padding:18px}.result>strong{font-size:19px}.application-architecture figcaption{font-size:16px}.diagram-button{min-width:0}.diagram-scroll-hint{font-size:16px}.image-dialog{padding:12px}.dialog-viewport{height:62vh}.profile-heading p{font-size:19px}.about-copy{font-size:21px}.skill-icons li{font-size:16px;padding:10px}.qualification-list dl>div{font-size:16px}.contact-links a{font-size:17px}.project-index strong{font-size:17px}.project-index small{font-size:15px;font-weight:600}.project-meta,.techline{font-size:16px}.project-heading .project-category{font-size:13px}.footer-line{font-size:14px}}
@media print{body{font-size:11pt}.about,.projects{padding-block:20px}.detail-body{padding:16px}.demo-toggle{display:none}.skill-icons img{width:25px;height:25px}.credentials-layout{display:block}.qualification-list{grid-template-columns:1fr 1fr}}

/* Shared troubleshooting evidence layout and minimal image viewer */
.image-button[data-demo-toggle]{cursor:pointer}
.dialog-toolbar{justify-content:flex-end;margin-bottom:10px}
.dialog-viewport{height:78vh;max-height:820px}
.troubleshooting-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:36px;align-items:start}
.evidence-figure{margin:0;border:1px solid var(--line);border-radius:10px;background:var(--paper);padding:20px}

.evidence-figure img{width:100%;height:auto;max-height:560px;object-fit:contain;background:#fff}
.evidence-figure figcaption{font-size:16px;font-weight:600;line-height:1.75;margin-top:16px;color:var(--muted)}
.qualification-list h4+dl{margin-top:18px}
@media(max-width:900px){.troubleshooting-grid{grid-template-columns:1fr;gap:25px}.evidence-figure{max-width:760px;width:100%;margin-inline:auto}}
@media(max-width:760px){.dialog-viewport{height:78vh;max-height:calc(96vh - 92px)}.evidence-figure{padding:16px}.evidence-figure figcaption{font-size:16px}}

.evidence-figure figcaption strong{color:var(--ink);font-size:17px}

.implementation-list h5{font-size:20px;font-weight:750;line-height:1.6}
.implementation-list ul{font-size:18px;font-weight:600;line-height:1.85}
.implementation-list li+li{margin-top:8px}
@media(max-width:760px){.implementation-list ul{font-size:17px}}

/* Source code comparisons and flowcharts retain their full proportions. */
.evidence-stack{display:grid;gap:24px;min-width:0}
.evidence-stack .evidence-figure{padding:0;overflow:hidden}
.evidence-stack img,.flow-evidence img{max-height:none}

/* Icon-only project stacks; labels appear on hover or keyboard focus. */
.project-description .project-tech-icons{display:flex;flex-wrap:wrap;gap:12px;list-style:none;margin:0;padding:20px 0 0;border-top:1px solid var(--line)}
.project-tech-icons li{position:relative;display:flex;align-items:center;justify-content:center;width:58px;height:58px;border:1px solid var(--line);border-radius:9px;background:var(--paper);cursor:help}
.project-tech-icons img{width:36px;height:36px;object-fit:contain}
.project-tech-icons li::after{content:attr(aria-label);display:none;position:absolute;left:var(--tooltip-left,0px);bottom:calc(100% + 8px);z-index:5;width:max-content;max-width:160px;padding:7px 10px;border-radius:6px;background:var(--ink);color:white;font:600 14px/1.5 "Segoe UI","Malgun Gothic",sans-serif;white-space:normal;pointer-events:none}
.project-tech-icons li:hover::after,.project-tech-icons li:focus-visible::after{display:block}
.project-tech-icons li:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.project-description .project-tech-icons{align-items:center}
.project-tech-icons li{margin:0}
.project-tech-icons li.is-primary{width:70px;height:70px;border:2px solid var(--blue);background:var(--blue-soft);box-shadow:inset 0 -4px 0 var(--blue)}
.project-tech-icons li.is-primary img{width:44px;height:44px}
.skill-group-ai{grid-column:1/-1}
.project-visual-pending{background:var(--paper);border-style:dashed}
.project-image-slot{display:grid;place-items:center;aspect-ratio:21/13;padding:24px;color:var(--muted);font-size:18px;font-weight:650;text-align:center}
.overview-phone-pair{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:18px;padding:24px}
.overview-phone-pair .image-button{padding:0;min-width:0}
.overview-phone-pair .image-button img{display:block;width:auto;max-width:100%;height:auto;max-height:410px;margin:auto;object-fit:contain}
.reflection-status{display:inline-block;margin:0 0 20px;padding:8px 13px;border:1px solid var(--line);border-radius:7px;background:var(--blue-soft);color:var(--blue);font-size:17px;font-weight:750}
.reflection-lead{margin:0 0 24px;padding-left:22px;font-size:19px;font-weight:600;line-height:1.8}
.reflection-figure{padding:0;overflow:hidden;margin-bottom:26px}
.reflection-figure img{max-height:none}
.reflection-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.reflection-points h5{font-size:20px;color:var(--blue);margin-bottom:12px}
.reflection-points ul{padding-left:20px;font-size:18px;font-weight:600;line-height:1.85}
.reflection-points li+li{margin-top:8px}
@media(max-width:900px){.reflection-points{grid-template-columns:1fr;gap:22px}.reflection-points>div+div{border-top:1px solid var(--line);padding-top:22px}}
@media(max-width:760px){.overview-phone-pair{gap:12px;padding:18px 14px}.reflection-lead{font-size:18px}.reflection-points ul{font-size:17px}}
@media(max-width:760px){.project-description .project-tech-icons{gap:10px}.project-tech-icons li{width:50px;height:50px}.project-tech-icons img{width:32px;height:32px}}
@media(max-width:760px){.project-tech-icons li.is-primary{width:60px;height:60px}.project-tech-icons li.is-primary img{width:38px;height:38px}}