.chatgpt-page { background: var(--white); color: var(--ink); }
.chatgpt-page :is(h1,h2,h3,p,blockquote,li,div,article,aside,figure) { min-width: 0; }
.chatgpt-hero-grid { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(0,.85fr); gap: clamp(40px,6vw,94px); align-items: center; }
.chatgpt-introduction h1 { margin: 26px 0 30px; font-size: clamp(46px,6.2vw,88px); line-height: 1.03; letter-spacing: -.06em; }
.chatgpt-introduction h1 span { color: var(--green-text); }
.chatgpt-introduction > p:not(.system-label), .chatgpt-planning-grid > div > p:not(.system-label), .chatgpt-voice-grid > div > p { color: var(--ink-soft); font-size: 1rem; line-height: 1.75; max-width: 61ch; }
.chatgpt-introduction .chatgpt-lead, .chatgpt-voice-grid .chatgpt-lead { color: var(--ink); font-size: 1.14rem; }
.chatgpt-actions { display: flex; flex-wrap: wrap; gap: 20px 28px; align-items: center; margin-top: 32px; }
.chatgpt-actions .text-link { font-size: .88rem; }
.chatgpt-hero-example { padding: clamp(26px,3vw,44px); background: var(--mint); border: 1px solid var(--line); border-radius: 16px; }
.chatgpt-hero-example blockquote { margin: 28px 0 36px; color: var(--ink); font-size: clamp(23px,2.4vw,34px); line-height: 1.3; letter-spacing: -.035em; }
.chatgpt-bridge { padding: 0; margin: 0; list-style: none; }
.chatgpt-bridge li { display: flex; align-items: center; gap: 16px; padding: 17px 0; border-top: 1px solid var(--line); }
.chatgpt-bridge li > span { display: grid; place-items: center; width: 28px; height: 28px; flex-shrink: 0; border-radius: 6px; background: var(--green-bright); color: #10251a; font: 650 .7rem/1 var(--font-mono); }
.chatgpt-bridge strong { font-size: .92rem; font-weight: 600; }
.chatgpt-caption { margin: 24px 0 0; color: var(--ink-soft); font-size: .78rem; line-height: 1.7; }
.chatgpt-process, .chatgpt-voice, .chatgpt-responsibility, .chatgpt-contact { background: var(--mint); }
.chatgpt-section-heading { display: grid; grid-template-columns: minmax(0,1.25fr) minmax(0,.75fr); gap: 40px; align-items: end; margin-bottom: 52px; }
.chatgpt-section-heading h2, .chatgpt-planning h2, .chatgpt-voice h2, .chatgpt-faq h2, .chatgpt-contact h2 { margin: 24px 0 0; font-size: clamp(34px,4vw,58px); }
.chatgpt-section-heading > p { margin: 0; color: var(--ink-soft); font-size: .96rem; line-height: 1.75; max-width: 49ch; }
.chatgpt-process-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 36px; margin: 0; padding: 0; list-style: none; }
.chatgpt-process-grid > li { padding-top: 25px; border-top: 1px solid var(--line); }
.chatgpt-number { color: var(--green-text); font: 600 .69rem/1.7 var(--font-mono); text-transform: uppercase; letter-spacing: .03em; }
.chatgpt-process-grid h3 { margin: 24px 0 18px; font-size: clamp(26px,2.6vw,36px); }
.chatgpt-process-grid p, .chatgpt-usecase-grid p, .chatgpt-responsibility-grid p { color: var(--ink-soft); font-size: .94rem; line-height: 1.75; margin: 0; }
.chatgpt-planning { scroll-margin-top: 90px; }
.chatgpt-planning-grid { display: grid; grid-template-columns: minmax(0,.95fr) minmax(0,1.05fr); gap: clamp(42px,6vw,90px); align-items: start; }
.chatgpt-planning-grid > div h2 { margin-bottom: 28px; }
.chatgpt-planning-grid > div .text-link { display: inline-flex; margin-top: 20px; font-size: .88rem; }
.chatgpt-plan-example { margin: 0; padding: clamp(22px,3vw,38px); border: 1px solid var(--line); border-radius: 14px; background: var(--mint); }
.chatgpt-plan-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 30px; }
.chatgpt-plan-heading .system-label { font-size: .6rem; }
.chatgpt-plan-heading h3 { margin: 16px 0 0; font-size: 1.65rem; }
.chatgpt-draft-label { flex-shrink: 0; padding: 5px 8px; border: 1px solid var(--green-text); border-radius: 5px; color: var(--green-text); font: 600 .6rem/1.4 var(--font-mono); }
.chatgpt-plan-row { display: grid; grid-template-columns: 88px minmax(0,1fr); gap: 18px; padding: 23px 0; border-top: 1px solid var(--line); }
.chatgpt-plan-time { padding-top: 3px; color: var(--green-text); font: 600 .74rem/1.5 var(--font-mono); font-variant-numeric: tabular-nums; white-space: nowrap; }
.chatgpt-plan-row strong { color: var(--ink); font-size: .9rem; }
.chatgpt-plan-row p { margin: 5px 0 9px; font-size: .9rem; line-height: 1.5; color: var(--ink); }
.chatgpt-plan-row small { display: block; color: var(--ink-soft); font-size: .76rem; line-height: 1.6; }
.chatgpt-plan-check { padding: 18px; margin-top: 4px; border-left: 3px solid var(--green-text); background: var(--white); border-radius: 0 6px 6px 0; }
.chatgpt-plan-check strong { font-size: .85rem; }
.chatgpt-plan-check p { margin: 8px 0 0; color: var(--ink-soft); font-size: .8rem; line-height: 1.65; }
.chatgpt-plan-example figcaption { margin-top: 22px; color: var(--ink-soft); font-size: .72rem; line-height: 1.7; }
.chatgpt-voice-grid { display: grid; grid-template-columns: minmax(0,.85fr) minmax(0,1.15fr); gap: clamp(40px,7vw,100px); align-items: center; }
.chatgpt-voice-grid .chatgpt-source-note { padding-top: 20px; margin-top: 24px; border-top: 1px solid var(--line); font-size: .78rem; }
.chatgpt-page :is(.chatgpt-source-note,.chatgpt-small-link,.chatgpt-legal-note,.chatgpt-questions) a { color: var(--green-text); text-decoration: underline; text-underline-offset: 4px; }
.chatgpt-usecase-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); column-gap: 38px; row-gap: 44px; }
.chatgpt-usecase-grid article { padding-top: 24px; border-top: 1px solid var(--line); }
.chatgpt-usecase-grid h3 { font-size: clamp(25px,2.4vw,33px); margin: 22px 0 20px; line-height: 1.15; }
.chatgpt-usecase-grid blockquote { margin: 0 0 18px; color: var(--ink); font-size: 1rem; line-height: 1.6; }
.chatgpt-usecase-grid p { font-size: .88rem; }
.chatgpt-responsibility-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 36px; }
.chatgpt-responsibility-grid article { padding-top: 26px; border-top: 1px solid var(--line); }
.chatgpt-responsibility-grid h3 { margin: 0 0 20px; font-size: clamp(26px,2.5vw,34px); }
.chatgpt-small-link { display: inline-block; margin-top: 22px; color: var(--green-text); font-size: .73rem; line-height: 1.6; }
.chatgpt-legal-note { padding-top: 24px; margin: 36px 0 0; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: .79rem; line-height: 1.75; max-width: 110ch; }
.chatgpt-faq-grid { display: grid; grid-template-columns: minmax(0,.85fr) minmax(0,1.15fr); gap: clamp(40px,6vw,90px); align-items: start; }
.chatgpt-questions details { border-top: 1px solid var(--line); }
.chatgpt-questions details:last-child { border-bottom: 1px solid var(--line); }
.chatgpt-questions summary { position: relative; padding: 24px 40px 24px 0; color: var(--ink); font-size: 1rem; font-weight: 600; line-height: 1.5; list-style: none; cursor: pointer; }
.chatgpt-questions summary::-webkit-details-marker { display: none; }
.chatgpt-questions summary::after { content: '+'; position: absolute; right: 5px; top: 21px; color: var(--green-text); font-size: 1.5rem; font-weight: 400; }
.chatgpt-questions details[open] summary::after { content: '×'; }
.chatgpt-questions details > div { padding: 0 0 25px; }
.chatgpt-questions details p { margin: 0; color: var(--ink-soft); font-size: .92rem; line-height: 1.75; }
.chatgpt-questions details p + p { margin-top: 14px; }
.chatgpt-questions .chatgpt-sources summary { font-size: .85rem; color: var(--green-text); }
.chatgpt-sources ul { padding-left: 20px; margin: 18px 0 0; color: var(--ink-soft); }
.chatgpt-sources li { margin: 12px 0; font-size: .78rem; line-height: 1.6; }
.chatgpt-contact-grid { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 50px; align-items: center; }
.chatgpt-contact p:not(.system-label) { max-width: 54ch; color: var(--ink-soft); margin-top: 26px; }
.chatgpt-contact .chatgpt-actions { flex-direction: column; align-items: flex-start; margin-top: 0; }
.chatgpt-page :is(a,button,summary):focus-visible { outline: 2px solid var(--green-text); outline-offset: 5px; }
@media (max-width: 1100px) {
 .chatgpt-hero-grid { gap: 36px; }
 .chatgpt-usecase-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
 .chatgpt-process-grid, .chatgpt-responsibility-grid { gap: 28px; }
 .chatgpt-plan-heading { flex-direction: column; gap: 14px; }
 .chatgpt-plan-row { grid-template-columns: minmax(0,1fr); gap: 8px; }
 .chatgpt-faq-grid { grid-template-columns: minmax(0,.7fr) minmax(0,1.3fr); gap: 36px; }
 .chatgpt-contact-grid { grid-template-columns: minmax(0,1fr); gap: 32px; }
}
@media (max-width: 860px) {
 .chatgpt-hero-grid, .chatgpt-section-heading, .chatgpt-planning-grid, .chatgpt-voice-grid, .chatgpt-faq-grid { grid-template-columns: minmax(0,1fr); gap: 36px; }
 .chatgpt-hero-example { max-width: 620px; }
 .chatgpt-introduction h1 { font-size: clamp(42px,9vw,68px); }
 .chatgpt-section-heading { margin-bottom: 36px; }
 .chatgpt-section-heading > p { max-width: 65ch; }
 .chatgpt-process-grid, .chatgpt-responsibility-grid { grid-template-columns: minmax(0,1fr); gap: 30px; }
 .chatgpt-process-grid h3 br { display: none; }
 .chatgpt-process-grid h3 { max-width: 22ch; }
 .chatgpt-plan-heading { flex-direction: row; }
 .chatgpt-plan-row { grid-template-columns: 88px minmax(0,1fr); gap: 18px; }
 .chatgpt-voice-grid { align-items: start; }
 .chatgpt-faq h2 { max-width: 18ch; }
}
@media (max-width: 540px) {
 .chatgpt-usecase-grid { grid-template-columns: minmax(0,1fr); gap: 30px; }
 .chatgpt-section-heading h2, .chatgpt-planning h2, .chatgpt-voice h2, .chatgpt-faq h2, .chatgpt-contact h2 { font-size: clamp(30px,7.8vw,42px); }
 .chatgpt-hero-example { padding: 24px; }
 .chatgpt-hero-example blockquote { font-size: 26px; }
 .chatgpt-plan-heading { flex-direction: column; }
 .chatgpt-plan-row { grid-template-columns: minmax(0,1fr); gap: 8px; }
 .chatgpt-questions summary { font-size: .95rem; }
 .chatgpt-contact .chatgpt-actions .text-link { font-size: .79rem; }
 .chatgpt-contact h2 br { display: none; }
}