:root{color-scheme:dark;--navy:#061a33;--cyan:#00c8f0;--red:#f2384f;--muted:#b8c7d9}*{box-sizing:border-box}body{margin:0;background:var(--navy);color:#fff;font-family:Arial,Helvetica,sans-serif;line-height:1.6}a{color:inherit}a:focus-visible{outline:3px solid var(--cyan);outline-offset:6px}header,main,footer{max-width:1440px;margin:auto}header{display:flex;align-items:center;justify-content:space-between;padding:30px 5%;border-bottom:1px solid #25405b}.brand{display:flex;gap:16px;align-items:center;text-decoration:none;line-height:1.15;font-size:17px;font-weight:800;letter-spacing:.04em}.brand img{object-fit:contain}.brand strong{color:var(--cyan)}.channel{font-size:14px;text-decoration:none}.channel:hover,.preview-top a:hover{color:var(--cyan)}.intro{display:grid;grid-template-columns:.8fr 1.2fr;gap:5%;padding:66px 5% 55px;align-items:center}.eyebrow{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--cyan);margin:0 0 24px}h1{font-size:clamp(64px,7.4vw,108px);letter-spacing:-.065em;line-height:.91;margin:0 0 28px;font-weight:900}h1 span{color:var(--cyan)}.lead{font-size:clamp(22px,2vw,28px);line-height:1.3;font-weight:700;margin:0 0 20px}.summary{max-width:440px;color:var(--muted);font-size:16px;margin-bottom:28px}.button{display:inline-flex;gap:30px;align-items:center;justify-content:space-between;background:var(--cyan);color:var(--navy);font-weight:800;padding:17px 24px;text-decoration:none;border-radius:5px;min-height:56px}.button:hover{background:#70e7ff}.button span{font-size:25px;line-height:1}.file-note{font-size:12px;color:var(--muted);margin:10px 0 26px}.episode{display:flex;gap:14px;align-items:center;text-decoration:none;font-size:16px;font-weight:700}.episode small{display:block;font-size:12px;font-weight:400;color:var(--muted)}.play{border:1px solid #44627e;border-radius:50%;width:42px;height:42px;display:grid;place-items:center;font-size:13px}.episode:hover .play{border-color:var(--cyan);color:var(--cyan)}.preview{background:linear-gradient(150deg,#143958,#081f3b);border:1px solid #2b516b;border-radius:10px;padding:22px 22px 15px;box-shadow:0 22px 60px #0003}.preview-top{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:28px;font-size:12px;color:var(--muted)}.preview-top span{letter-spacing:.07em}.preview-top a{white-space:nowrap}.pages{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}.pages a{display:block;background:white;box-shadow:0 10px 20px #0004;transition:transform .2s}.pages a:hover{transform:translateY(-5px)}.pages img{width:100%;height:auto;display:block}.preview-note{text-align:center;color:var(--muted);font-size:12px;margin:22px 0 0}.contents{margin:0 5%;padding:34px 0;border-top:1px solid #25405b}.contents .eyebrow{margin-bottom:16px}.contents>div{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.contents p{margin:0;display:flex;gap:18px;align-items:center}.contents b{font-size:28px;color:var(--cyan);font-weight:400}.contents span{font-size:16px;font-weight:700}.contents small{display:block;font-weight:400;color:var(--muted);font-size:14px}footer{border-top:1px solid #25405b;padding:28px 5%;display:grid;grid-template-columns:1fr 1.5fr;gap:18px 40px;color:var(--muted);font-size:12px}footer strong{color:#fff;font-size:14px}footer p{margin:4px 0}.copyright{grid-column:1/-1}@media(min-width:1450px){.intro{padding-top:90px;padding-bottom:85px}}@media(max-width:900px){.intro{grid-template-columns:1fr;gap:38px;padding-top:42px}.copy{max-width:650px}.summary{max-width:540px}h1 br{display:none}h1 span:before{content:' '}.preview{max-width:720px}.contents>div{grid-template-columns:1fr;gap:22px}footer{grid-template-columns:1fr}.copyright{grid-column:auto}}@media(max-width:480px){header{padding:22px 5%}.brand{font-size:13px;gap:8px}.brand img{width:48px;height:36px}.channel{font-size:12px;max-width:90px;text-align:right}h1{font-size:64px}.button{width:100%;gap:10px;padding:16px 18px}.preview{padding:15px 12px}.preview-top{align-items:start;font-size:12px}.preview-top span{max-width:145px}.pages{gap:8px}.eyebrow{font-size:12px;letter-spacing:.1em}}@media(prefers-reduced-motion:reduce){.pages a{transition:none}}

.guide-nav{max-width:1440px;margin:auto;padding:16px 5%;display:flex;gap:24px;flex-wrap:wrap;border-bottom:1px solid #25405b;font-size:14px}.guide-nav a{text-decoration:none}.guide-nav a:hover{color:var(--cyan)}.new-guide{margin:28px 5% 0;padding:24px;border:1px solid #2b718a;border-radius:8px;background:#102e48;display:flex;align-items:center;justify-content:space-between;gap:24px}.new-guide strong{color:var(--cyan);letter-spacing:.05em}.new-guide p{margin:4px 0 0;color:var(--muted)}.new-guide .button{flex-shrink:0}.long-title{font-size:clamp(36px,4.2vw,62px);letter-spacing:-.045em;overflow-wrap:normal}@media(max-width:700px){.new-guide{align-items:stretch;flex-direction:column}.long-title{font-size:clamp(32px,7.7vw,60px)}}

.footer-contact{margin-top:10px}.footer-contact a{color:var(--cyan);font-weight:700;text-underline-offset:3px;overflow-wrap:anywhere}.footer-contact a:hover{color:#70e7ff}

.case-feature{margin:0 5% 56px;padding:42px clamp(18px,5vw,72px) 46px;background:radial-gradient(circle at 80% 10%,#123d68 0,#08294b 36%,#061a33 78%);border:1px solid #2f6d91;border-top:4px solid var(--cyan);border-radius:12px}.case-feature-heading{max-width:820px;margin:0 auto 26px;text-align:center}.case-feature-heading .eyebrow{margin-bottom:12px}.case-feature-heading h2{font-size:clamp(28px,3.2vw,46px);line-height:1.12;letter-spacing:-.035em;margin:0 0 12px}.case-feature-heading p:last-child{color:#c6d8e9;font-size:17px;margin:0}.case-feature-image{display:block;max-width:760px;margin:0 auto;border:1px solid #53cfff;border-radius:10px;overflow:hidden;box-shadow:0 22px 60px #0008}.case-feature-image:focus-visible{outline:3px solid #fff;outline-offset:5px}.case-feature-image img{display:block;width:100%;height:auto}.case-feature-answer{max-width:760px;margin:22px auto 0;background:#0a3154;border:1px solid #377da7;border-radius:9px;overflow:hidden}.case-feature-answer summary{cursor:pointer;padding:18px 22px;font-size:18px;font-weight:800;color:#e7f9ff}.case-feature-answer summary:hover{background:#104267}.case-feature-answer summary:focus-visible{outline:3px solid var(--cyan);outline-offset:-3px}.case-feature-answer[open] summary{border-bottom:1px solid #377da7}.case-feature-answer>div{padding:5px 22px 20px}.case-feature-answer p{font-size:16px;line-height:1.58;color:#e1eef8}.case-feature-answer strong{color:#fff}.case-feature-sources{font-size:14px!important;color:#b9d0e0!important}.case-feature-sources a{color:#69dfff;text-underline-offset:3px}@media(max-width:600px){.case-feature{margin:0 4% 42px;padding:28px 12px 26px}.case-feature-heading{padding:0 8px}.case-feature-heading p:last-child{font-size:16px}.case-feature-answer summary{font-size:17px}}