:root{font-family:Noto Sans JP,Yu Gothic,Meiryo,sans-serif;color:#222c3b;background:#fff;font-synthesis:none;text-rendering:optimizeLegibility;--coral:#ff4f58;--line:#e1e6ec;--muted:#6e7b8f}*{box-sizing:border-box}body{margin:0;min-width:320px;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,a{font:inherit;-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible{outline:3px solid #2077bc;outline-offset:4px}svg{flex-shrink:0}p{line-height:1.9}h1,h2,h3{line-height:1.5}a:hover{text-decoration:underline}.guide-skip{position:absolute;top:-60px;left:16px;z-index:5;background:#fff;padding:10px 20px}.guide-skip:focus{top:10px}.guide-header{max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 28px}.guide-brand{display:flex;align-items:center;gap:7px;font-size:24px;font-weight:800;letter-spacing:-.035em;white-space:nowrap}.guide-header nav{display:flex;align-items:center;gap:24px;font-size:14px;color:#5a6c80}.guide-button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:46px;padding:10px 20px;border:1px solid #cfd8e3;border-radius:6px;background:#fff;font-weight:600;color:#283345;white-space:nowrap}.guide-button:hover{text-decoration:none;background:#f8fafc;border-color:#a5b1bf}.guide-button.primary{background:var(--coral);border-color:var(--coral);color:#fff;min-height:54px;font-size:17px;padding:12px 24px}.guide-button.primary:hover{background:#ec3e49;border-color:#ec3e49}.guide-main{max-width:1180px;margin:auto;padding:0 28px}.guide-hero{display:grid;grid-template-columns:1fr 1.15fr;gap:54px;align-items:center;padding:54px 0 64px}.guide-eyebrow{font-size:13px;font-weight:700;letter-spacing:.06em;color:#ed424d;margin:0 0 10px}.guide-hero h1{font-size:38px;letter-spacing:-.025em;margin:0 0 20px;line-height:1.5}.guide-hero h1 span{color:#ed424d}.guide-lead{font-size:16px;color:#5f6e82;margin:0 0 26px}.guide-small{display:flex;gap:7px;align-items:center;font-size:12px;color:var(--muted);margin:14px 0 0}.guide-example{margin:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;box-shadow:0 12px 36px #2434440b}.guide-example-image{position:relative;background:#f4f7fa}.guide-example-image img{display:block;width:100%;height:auto}.guide-example figcaption{display:flex;flex-wrap:wrap;gap:13px 24px;padding:17px 20px;font-size:13px;background:#fff}.guide-steps{padding:38px 0 44px;border-top:1px solid var(--line);scroll-margin-top:24px}.guide-steps h2,.guide-tips h2,.guide-video h2,.guide-start h2{font-size:25px;margin:0 0 26px;letter-spacing:-.025em}.guide-steps ol{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;padding:0;margin:0}.guide-steps li{padding:24px;border:1px solid var(--line);border-radius:8px;background:#fbfcfd}.guide-step-heading{display:flex;align-items:center;justify-content:space-between;color:#f04a55;margin-bottom:18px}.guide-step-number{display:flex;align-items:center;justify-content:center;width:31px;height:31px;background:#fff0f1;border-radius:50%;font:700 16px Arial,sans-serif}.guide-steps h3{font-size:18px;margin:0 0 12px}.guide-steps li p{font-size:14px;color:#657487;margin:0}.guide-tips{padding:25px 0 42px}.guide-tips>div{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}.guide-tips strong{font-size:17px;color:#e33e4a}.guide-tips article p{font-size:13px;color:#657487;margin:9px 0 0}.guide-tip-note{font-size:13px;background:#f5f8fa;padding:14px 18px;border-radius:6px;margin:26px 0 0;color:#667588}.guide-video{padding:35px 0 42px;border-top:1px solid var(--line)}.guide-video h2{margin-bottom:10px}.guide-video>div>p:last-child{color:#657487;font-size:14px}.guide-video-player{width:100%;min-width:0;max-width:760px;min-height:240px;aspect-ratio:16/9;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#f5f8fa}.guide-video-player iframe{display:block;width:100%;min-width:0;max-width:100%;height:100%;min-height:240px;border:0}.guide-video-prompt{display:flex;width:100%;min-width:0;max-width:100%;height:100%;min-height:240px;align-items:center;justify-content:center;flex-direction:column;gap:16px;padding:22px;color:#f04a55}.guide-video-prompt p{font-size:12px;color:#68788a;margin:0;text-align:center}.guide-text-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:#62748a;margin-top:16px}.guide-privacy{display:flex;align-items:flex-start;gap:17px;padding:26px;background:#f6f9fb;border:1px solid #e8edf2;border-radius:8px;margin:0 0 28px;scroll-margin-top:24px;color:#63758a}.guide-privacy>svg{margin-top:3px}.guide-privacy h2{font-size:18px;color:#3d5065;margin:0 0 12px}.guide-privacy p{font-size:12px;margin:0 0 10px}.guide-privacy p:last-child{margin-bottom:0}.guide-start{text-align:center;padding:36px 0 50px}.guide-start h2{font-size:25px;margin-bottom:8px}.guide-start p{font-size:14px;color:#6c7d8e;margin:0 0 20px}.guide-footer{max-width:1180px;margin:auto;padding:23px 28px 27px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:18px;font-size:12px;color:#758495}.guide-footer span{margin-right:auto}.tools-showcase{margin:30px 0}.tools-showcase iframe{display:block;width:100%;height:var(--showcase-height,560px);border:0}@media(max-width:850px){.guide-header{padding:17px 22px}.guide-header nav>a:not(.guide-button){display:none}.guide-main{padding:0 22px}.guide-hero{gap:28px;padding-top:38px}.guide-hero h1{font-size:30px}.guide-lead{font-size:14px}.guide-desktop-break{display:none}.guide-small{font-size:11px}.guide-tips>div{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 28px}.guide-steps li{padding:20px}.guide-steps h3{font-size:16px}.guide-steps li p{font-size:13px}.tools-showcase iframe{height:var(--showcase-height,1300px)}}@media(max-width:620px){body{min-width:0}.guide-header{padding:15px 18px;gap:10px}.guide-brand{font-size:20px;gap:3px}.guide-brand img{width:38px;height:38px}.guide-header .guide-button{font-size:12px;padding:8px 10px;min-height:40px;gap:4px}.guide-header .guide-button svg{width:16px}.guide-main{padding:0 20px}.guide-hero{grid-template-columns:minmax(0,1fr);gap:32px;padding:34px 0 40px}.guide-hero h1{font-size:32px}.guide-hero .guide-small{font-size:11px}.guide-example{max-width:520px}.guide-steps{padding:30px 0}.guide-steps h2,.guide-tips h2,.guide-video h2{font-size:22px}.guide-steps ol{grid-template-columns:minmax(0,1fr);gap:13px}.guide-steps li{padding:20px}.guide-step-heading{margin-bottom:12px}.guide-steps h3{font-size:18px}.guide-steps li p{font-size:14px}.guide-tips{padding:18px 0 30px}.guide-tips>div{gap:20px}.guide-privacy{padding:20px;gap:12px}.guide-privacy h2{font-size:17px}.guide-privacy>svg{width:21px}.guide-footer{padding:20px;font-size:11px;gap:14px}.guide-footer span{width:100%;margin:0}.guide-video-player{min-height:220px}.guide-video-player iframe,.guide-video-prompt{min-height:0}.guide-video-prompt{gap:13px}.guide-video-prompt .guide-button{font-size:15px}}.guide-choices{border:1px solid var(--line);border-radius:8px;padding:24px;margin:28px 0;scroll-margin-top:24px}.guide-choices h2{font-size:19px;margin:0 0 12px;color:#3d5065}.guide-choices>p{font-size:13px;color:#63758a;margin:0 0 16px}.guide-choice-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.guide-choice-options label{display:flex;align-items:flex-start;gap:12px;background:#f7f9fb;border:1px solid #e5ebf0;border-radius:6px;padding:16px;cursor:pointer}.guide-choice-options input{width:19px;height:19px;margin:3px 0;accent-color:#e43c48;flex-shrink:0}.guide-choice-options input:focus-visible{outline:3px solid #2077bc;outline-offset:4px}.guide-choice-options strong{display:block;font-size:14px;margin-bottom:7px}.guide-choice-options small{display:block;font-size:12px;line-height:1.8;color:#63758a}.guide-choice-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:18px 0 12px}.guide-choice-actions .guide-button{font-size:13px;min-height:42px}.guide-text-button{border:0;background:transparent;color:#435f7c;font-size:12px;text-decoration:underline;padding:10px}.guide-choices>p.guide-choice-note{font-size:11px;margin:8px 0 0;line-height:1.9}.guide-choice-note a{text-decoration:underline;margin-left:6px}.guide-advertisement{margin:34px 0 42px;min-height:300px;padding:12px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.guide-advertisement>p{font-size:11px;color:#7b8795;text-align:center;margin:0 0 12px}.guide-advertisement ins{min-height:250px}@media(max-width:620px){.guide-choices{padding:20px}.guide-choice-options{grid-template-columns:minmax(0,1fr);gap:12px}.guide-choice-options label{padding:14px}.guide-choice-actions .guide-button{flex:1;padding:8px 12px}.guide-advertisement{min-height:300px}}