:root{--paper:#F6F5F2;--ink:#141414;--muted:#6B6B6B;--line:#E3E1DC;--accent:#FF4F1F;--white:#fff;font-family:"Noto Sans JP",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;min-width:0;line-height:1.8;letter-spacing:.025em}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
a{color:inherit;text-underline-offset:.2em}
img,video{display:block;max-width:100%}
video{background:#171717}
h1,h2,h3,h4,p{margin-top:0}
h1,h2,h3{font-family:"Zen Kaku Gothic New",sans-serif;word-break:keep-all;overflow-wrap:anywhere}
h1{font-weight:900;line-height:1.25;letter-spacing:-.035em}
h2{font-size:clamp(1.85rem,3vw,2.7rem);font-weight:900;line-height:1.4;letter-spacing:-.025em;margin-bottom:38px}
h3{font-weight:700}
.container{width:min(100% - 48px,1180px);margin-inline:auto}
.narrow{max-width:880px}
.site-header{border-bottom:1px solid var(--line);background:var(--paper)}
.header-inner{min-height:84px;display:flex;align-items:center;gap:38px}
.brand{font-family:"Zen Kaku Gothic New",sans-serif;font-size:1.05rem;font-weight:900;text-decoration:none;white-space:nowrap}
.header-nav{display:flex;align-items:center;gap:30px;margin-left:auto}
.header-nav a{text-decoration:none;font-size:.88rem;font-weight:700}
.header-nav a:hover,.site-footer a:hover,.brand-note a:hover{color:var(--accent)}
.button{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--accent);border-radius:9px;background:var(--accent);padding:13px 23px;min-height:50px;color:#fff;font-weight:700;font-size:.91rem;line-height:1.4;text-align:center;text-decoration:none;transition:background .2s,color .2s,transform .2s}
.button:hover{background:#df3d14;border-color:#df3d14;transform:translateY(-2px)}
.button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.button:disabled{opacity:.6;cursor:wait;transform:none}
.button-small{min-height:40px;padding:8px 18px;font-size:.83rem}
.button-outline{background:transparent;color:var(--accent)}
.button-outline:hover{background:var(--accent);color:#fff}
.hero{min-height:610px;display:grid;grid-template-columns:1fr 1.02fr;align-items:center;gap:clamp(36px,5vw,80px);padding-block:90px 108px}
.eyebrow,.section-code,.card-code,.monitor-label{font-family:"JetBrains Mono",monospace;font-size:.72rem;letter-spacing:.09em;font-weight:700}
.eyebrow{color:var(--accent);margin-bottom:26px}
.hero h1{font-size:clamp(2.8rem,5vw,5rem);margin-bottom:28px}
.hero-lead{max-width:35em;font-size:1.03rem;line-height:2.1;margin-bottom:35px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-points{display:flex;flex-wrap:wrap;gap:8px 23px;list-style:none;padding:0;margin:31px 0 0;color:var(--muted);font-size:.76rem}
.hero-points li::before{content:"/";font-family:"JetBrains Mono",monospace;color:var(--accent);margin-right:9px}
.monitor-wrap{min-width:0}
.monitor-label{color:var(--muted);margin:0 0 11px 6px}
.monitor-label span{color:var(--accent);font-size:.83rem}
.monitor{padding:9px;border:1px solid #dad8d3;border-radius:18px;background:#e9e7e2;box-shadow:0 22px 55px rgba(20,20,20,.1)}
.monitor video{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:11px}
.section{padding-block:100px}
.section-alt,.concerns{background:#eeede9}
.section-code{color:var(--accent);margin-bottom:14px}
.concern-list{padding:0;margin:0;list-style:none;counter-reset:concern;border-top:1px solid #d6d3cd}
.concern-list li{counter-increment:concern;padding:20px 0;border-bottom:1px solid #d6d3cd;display:flex;gap:22px;align-items:baseline}
.concern-list li::before{content:"0" counter(concern);font-family:"JetBrains Mono",monospace;color:var(--accent);font-size:.8rem}
.concern-answer{font-size:1.12rem;line-height:2;margin:32px 0 0}
.concern-answer strong{display:block;font-size:1.35rem;font-family:"Zen Kaku Gothic New",sans-serif}
.styles-section h2{margin-bottom:12px}
.style-guide{color:var(--muted);font-size:.91rem;margin-bottom:38px}
.style-grid,.option-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:23px}
.style-card{display:flex;flex-direction:column;min-width:0;background:var(--white);border:1px solid var(--line);border-radius:14px;padding:28px;box-shadow:0 8px 30px rgba(20,20,20,.035)}
.card-code{color:var(--accent);margin-bottom:13px}
.style-card h3{font-size:clamp(1.35rem,2vw,1.75rem);line-height:1.35;margin-bottom:5px}
.card-for{font-size:.85rem;color:var(--muted);margin-bottom:21px}
.style-card video{width:100%;aspect-ratio:16/9;object-fit:contain;border-radius:9px}
.portrait-stage{height:260px;display:flex;align-items:center;justify-content:center;border-radius:9px;background:#171717}
.portrait-stage video{height:100%;width:auto;max-width:100%;aspect-ratio:9/16;object-fit:contain;border-radius:0}
.video-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.video-pair video{min-width:0}
.style-card h4{font-size:.82rem;margin:24px 0 11px}
.chips{display:flex;flex-wrap:wrap;gap:7px;list-style:none;padding:0;margin:0 0 25px}
.chips li{border:1px solid var(--line);border-radius:5px;padding:4px 9px;font-size:.73rem;line-height:1.55}
.card-bottom{margin-top:auto;padding-top:21px;border-top:1px solid var(--line)}
.price-scope{font-weight:700;font-size:.82rem;margin-bottom:0}
.price{font-family:"JetBrains Mono","Noto Sans JP",sans-serif;font-size:clamp(1.8rem,3vw,2.5rem);font-weight:700;color:var(--accent);letter-spacing:-.04em;line-height:1.4;margin:3px 0 0;white-space:nowrap}
.price span{font-family:"Noto Sans JP",sans-serif;font-size:.8rem;letter-spacing:0;margin-left:3px}
.tax-excluded{font-size:.78rem;color:var(--muted);margin-bottom:18px}
.delivery{font-size:.84rem;font-weight:700;margin-bottom:20px}
.brand-note{font-size:.82rem;line-height:1.8;border-top:1px solid var(--line);padding-top:16px;margin-bottom:19px}
.brand-note a{font-weight:700}
.style-choice{width:100%}
.option-panel,.about-panel{padding:35px;border:1px solid var(--line);border-radius:14px;background:var(--white)}
.option-panel h3{font-size:1.4rem;margin-bottom:6px}
.option-price{color:var(--accent);font-weight:700;margin-bottom:20px}
.option-panel p:last-child,.about-panel p:last-child{margin-bottom:0}
.table-wrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:.9rem}
th,td{text-align:left;padding:17px 13px;border-bottom:1px solid #d6d3cd;vertical-align:top}
thead th{font-size:.77rem;color:var(--muted);border-top:1px solid #d6d3cd}
tbody th{width:40%;font-weight:700}
.note{font-size:.85rem;line-height:1.9;margin:23px 0 0;color:var(--muted)}
.flow-list{list-style:none;padding:0;margin:0;counter-reset:flow}
.flow-list li{counter-increment:flow;display:grid;grid-template-columns:63px 1fr;gap:0 12px;border-top:1px solid var(--line);padding:21px 0}
.flow-list li:last-child{border-bottom:1px solid var(--line)}
.flow-list li::before{content:"0" counter(flow);font:700 1rem "JetBrains Mono",monospace;color:var(--accent);grid-row:span 2;padding-top:3px}
.flow-list h3{font-size:1.1rem;margin:0 0 2px}.flow-list p{font-size:.9rem;margin:0;color:var(--muted)}
.faq-list{border-top:1px solid #d6d3cd}
.faq-list details{border-bottom:1px solid #d6d3cd;padding:19px 0}
.faq-list summary{cursor:pointer;font-weight:700;list-style:none;display:flex;align-items:baseline;gap:13px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::before{content:"Q.";font-family:"JetBrains Mono",monospace;color:var(--accent)}
.faq-list summary::after{content:"+";font-family:"JetBrains Mono",monospace;margin-left:auto;color:var(--accent)}
.faq-list details[open] summary::after{content:"−"}
.faq-list details p{margin:14px 0 0 30px;color:var(--muted);font-size:.91rem}
.about-panel h3{font-size:1.3rem;margin-bottom:16px}
.about-panel p{margin-bottom:10px}
.contact-section{background:#eae9e5}
#contact-form{padding:34px;background:var(--white);border:1px solid var(--line);border-radius:14px}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 21px}
.field{min-width:0}.field-full{grid-column:1/-1}
.field>label{display:block;font-weight:700;font-size:.85rem;margin-bottom:8px}
.required{display:inline-block;color:var(--accent);font-size:.7rem;margin-left:5px}
.field input:not([type=checkbox]),.field select,.field textarea{width:100%;border:1px solid #c9c7c2;background:#fff;border-radius:7px;padding:11px 13px;color:var(--ink);font-size:.91rem;min-height:47px}
.field textarea{resize:vertical;min-height:170px}
.field input[aria-invalid=true],.field textarea[aria-invalid=true]{border-color:var(--accent)}
.field-error{min-height:1.4em;margin:4px 0 0;color:#c53b17;font-size:.77rem;line-height:1.4}
.checkbox-field{margin-top:4px}.checkbox-field label{display:flex;align-items:baseline;flex-wrap:wrap;gap:2px;cursor:pointer}
.checkbox-field input{accent-color:var(--accent);margin:0 8px 0 0;transform:translateY(2px)}
.checkbox-field a{color:var(--accent)}
.honeypot{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.submit-button{min-width:190px;margin-top:12px}
.form-status{color:#c53b17;font-size:.86rem;margin:14px 0 0}
.success-message{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:30px;font-weight:700}
.success-message[hidden]{display:none}
.site-footer{background:#171717;color:#f6f5f2;padding:40px 0}
.footer-inner{display:flex;align-items:center;flex-wrap:wrap;gap:14px 32px;font-size:.77rem}
.footer-inner p{margin:0}.footer-inner nav{display:flex;flex-wrap:wrap;gap:12px 25px}.footer-inner a{text-decoration:none}
@media(max-width:800px){.hero{grid-template-columns:1fr;padding-block:72px 88px}.monitor-wrap{max-width:650px}.header-inner{gap:16px}.header-nav{gap:16px}.style-card{padding:23px}}
@media(max-width:600px){.container{width:min(100% - 32px,1180px)}.header-inner{min-height:68px;justify-content:space-between}.brand{font-size:.87rem;white-space:normal;line-height:1.35}.header-nav{display:none}.button-small{flex:none;padding:7px 12px;font-size:.76rem}.hero{padding-block:60px 75px;gap:38px}.hero h1{font-size:clamp(2.55rem,10vw,3.4rem)}.hero-lead{font-size:.94rem}.hero-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.hero-actions .button{padding:10px 7px;font-size:.75rem;min-height:50px}.hero-points{gap:6px 14px}.section{padding-block:72px}h2{margin-bottom:26px}.style-grid,.option-grid{grid-template-columns:1fr}.style-guide{font-size:.84rem}.style-card{padding:20px}.option-panel,.about-panel{padding:25px}.form-grid{grid-template-columns:1fr;gap:6px}#contact-form{padding:22px}.flow-list li{grid-template-columns:45px 1fr}table{font-size:.79rem}th,td{padding:14px 7px}.footer-inner{display:block}.footer-inner nav{margin-block:16px}.footer-inner p{margin-bottom:0}}
@media(max-width:380px){.price{font-size:1.75rem}.price span{font-size:.7rem}.hero h1{font-size:2.55rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}.button:hover{transform:none}}