:root {
	--color-void: #05080d;
	--color-space: #0a111c;
	--color-panel: #101a27;
	--color-panel-soft: #142131;
	--color-nebula: #3778b9;
	--color-nebula-light: #75b7e7;
	--color-silver: #dfe7ed;
	--color-muted: #9caab6;
	--color-line: rgba(180, 205, 224, 0.22);
	--color-orange: #ff8a2b;
	--color-orange-deep: #c85d0d;
	--font-main: "Noto Sans TC", sans-serif;
	--container: 1440px;
	--header-height: 84px;
	--section-space: 150px;
	--side-space: clamp(24px, 5vw, 76px);
	--transition: 420ms cubic-bezier(0.2, 0.75, 0.2, 1);
}


* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body { margin: 0; overflow-x: hidden; background: var(--color-void); color: var(--color-silver); font-family: var(--font-main); font-size: 17px; line-height: 1.8; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }

img { display: block; width: 100%; height: auto; }

a { color: inherit; text-decoration: none; }

button { font: inherit; }

ul { margin: 0; padding: 0; list-style: none; }

p { margin: 0; }

h1, h2, h3 { margin: 0; font-weight: 700; }

.container { width: min(calc(100% - (var(--side-space) * 2)), var(--container)); margin: 0 auto; }

.eyebrow { display: flex; align-items: center; gap: 14px; color: var(--color-nebula-light); font-size: 14px; font-weight: 700; letter-spacing: 0.16em; }
.eyebrow::before { width: 36px; height: 1px; background: currentColor; content: ""; }

.section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, 540px); gap: 72px; align-items: end; margin-bottom: 66px; }
.section-heading h2 { max-width: 760px; font-size: clamp(30px, 3.4vw, 48px); line-height: 1.28; letter-spacing: -0.025em; }
.section-heading p { max-width: 580px; color: var(--color-muted); }

.action-link { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 14px; padding: 10px 22px; border: 1px solid var(--color-line); color: var(--color-silver); font-size: 15px; font-weight: 700; letter-spacing: 0.04em; transition: color var(--transition), border-color var(--transition), background var(--transition); clip-path: polygon( 0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px) ); }
.action-link::after { content: "↗"; color: var(--color-orange); font-size: 18px; }
.action-link:hover, .action-link:focus-visible { border-color: var(--color-orange); background: rgba(255, 138, 43, 0.08); color: #fff; outline: none; }
.action-link.is-primary { border-color: var(--color-orange); background: var(--color-orange); color: #15100b; }
.action-link.is-primary::after { color: #15100b; }
.action-link.is-primary:hover, .action-link.is-primary:focus-visible { background: #ff9e4c; }

.media-reveal { overflow: hidden; }
.media-reveal img { transform: scale(1.08); transition: transform 1.1s cubic-bezier(0.2, 0.75, 0.2, 1); }
.media-reveal.is-visible img { transform: scale(1); }

.horizontal-reveal { opacity: 0; transform: translateX(-34px); transition: opacity 0.75s ease, transform 0.75s cubic-bezier(0.2, 0.75, 0.2, 1); }
.horizontal-reveal.is-visible { opacity: 1; transform: translateX(0); }

.line-reveal { position: relative; }
.line-reveal::after { position: absolute; right: 0; bottom: 0; left: 0; height: 1px; background: var(--color-line); content: ""; transform: scaleX(0); transform-origin: left; transition: transform 0.9s cubic-bezier(0.2, 0.75, 0.2, 1); }
.line-reveal.is-visible::after { transform: scaleX(1); }

/* header */
header { position: relative; min-height: 920px; overflow: hidden; background: var(--color-void); }
header::before { position: absolute; inset: 0; background: linear-gradient( 90deg, rgba(3, 7, 12, 0.96) 0%, rgba(3, 7, 12, 0.72) 43%, rgba(3, 7, 12, 0.14) 72%, rgba(3, 7, 12, 0.42) 100% ), url(../image/hero-space.webp) center 38% / cover no-repeat; content: ""; transform: scale(1.025); }
header::after { position: absolute; right: 0; bottom: 0; left: 0; height: 190px; background: linear-gradient(180deg, transparent, var(--color-void)); content: ""; }
header .site-nav { position: fixed; z-index: 50; top: 0; right: 0; left: 0; height: var(--header-height); border-bottom: 1px solid transparent; transition: background var(--transition), border-color var(--transition), height var(--transition); }
header .site-nav.is-scrolled { height: 70px; border-color: var(--color-line); background: rgba(5, 8, 13, 0.94); backdrop-filter: blur(12px); }
header .nav-inner { display: grid; width: min(calc(100% - (var(--side-space) * 2)), var(--container)); height: 100%; margin: 0 auto; grid-template-columns: auto 1fr auto; gap: 42px; align-items: center; }
header .brand-mark { display: flex; align-items: center; gap: 13px; color: #fff; font-weight: 800; letter-spacing: 0.08em; }
header .brand-symbol { position: relative; width: 34px; height: 34px; }
header .nav-list { display: flex; justify-content: center; gap: clamp(20px, 2.8vw, 44px); }
header .nav-link { position: relative; padding: 8px 0; color: #bbc8d2; font-size: 15px; font-weight: 600; }
header .nav-link::after { position: absolute; right: 0; bottom: 0; left: 0; height: 1px; background: var(--color-orange); content: ""; transform: scaleX(0); transform-origin: right; transition: transform var(--transition); }
header .nav-link:hover::after, header .nav-link:focus-visible::after { transform: scaleX(1); transform-origin: left; }
header .nav-link:focus-visible { color: #fff; outline: none; }
header .nav-tools { display: flex; align-items: center; gap: 24px; }
header .language-list { display: flex; gap: 12px; color: #8494a2; font-size: 13px; font-weight: 700; }
header .language-list a:first-child { color: #fff; }
header .nav-cta { display: inline-flex; min-height: 42px; align-items: center; padding: 8px 18px; border: 1px solid var(--color-orange); color: var(--color-orange); font-size: 14px; font-weight: 700; clip-path: polygon( 0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 9px 100%, 0 calc(100% - 9px) ); transition: background var(--transition), color var(--transition); }
header .nav-cta:hover, header .nav-cta:focus-visible { background: var(--color-orange); color: #15100b; outline: none; }
header .menu-toggle { display: none; width: 46px; height: 46px; padding: 0; border: 1px solid var(--color-line); background: transparent; color: #fff; cursor: pointer; }
header .menu-toggle span { display: block; width: 20px; height: 1px; margin: 5px auto; background: currentColor; transition: transform var(--transition), opacity var(--transition); }
header .menu-toggle.is-active span:first-child { transform: translateY(6px) rotate(45deg); }
header .menu-toggle.is-active span:nth-child(2) { opacity: 0; }
header .menu-toggle.is-active span:last-child { transform: translateY(-6px) rotate(-45deg); }
header .hero { position: relative; z-index: 2; display: grid; width: min(calc(100% - (var(--side-space) * 2)), var(--container)); min-height: 920px; margin: 0 auto; padding-top: calc(var(--header-height) + 80px); padding-bottom: 118px; grid-template-columns: minmax(0, 760px) 1fr; align-items: center; }
header .hero-copy { align-self: center; }
header .hero-kicker { display: flex; align-items: center; gap: 14px; margin-bottom: 30px; color: var(--color-nebula-light); font-size: 14px; font-weight: 700; letter-spacing: 0.2em; }
header .hero-kicker::before { width: 62px; height: 1px; background: var(--color-orange); content: ""; }
header h1 { max-width: 720px; color: #fff; font-size: clamp(38px, 5.6vw, 72px); line-height: 1.14; letter-spacing: -0.045em; text-shadow: 0 4px 28px rgba(0, 0, 0, 0.45); }
header .hero-lead { max-width: 600px; margin-top: 30px; color: #c6d0d7; font-size: clamp(17px, 1.4vw, 20px); line-height: 1.9; }
header .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 42px; }
header .hero-index { position: absolute; right: 0; bottom: 106px; display: grid; width: min(520px, 42vw); grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(223, 231, 237, 0.32); border-bottom: 1px solid rgba(223, 231, 237, 0.18); background: rgba(5, 8, 13, 0.36); backdrop-filter: blur(5px); }
header .hero-index li { min-height: 104px; padding: 18px 20px; border-right: 1px solid rgba(223, 231, 237, 0.16); }
header .hero-index li:last-child { border-right: 0; }
header .hero-index strong { display: block; color: #fff; font-size: 15px; }
header .hero-index span { display: block; margin-top: 5px; color: #91a1ad; font-size: 13px; line-height: 1.6; }
header .scroll-cue { position: absolute; bottom: 105px; left: 0; display: flex; align-items: center; gap: 14px; color: #74828d; font-size: 12px; letter-spacing: 0.16em; writing-mode: vertical-rl; }
header .scroll-cue::after { width: 1px; height: 68px; background: linear-gradient(var(--color-orange), transparent); content: ""; }

main { position: relative; }

/* mission */
#mission { padding: 90px 0 var(--section-space); background: var(--color-void); }
#mission .mission-layout { display: grid; grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.5fr); gap: 8vw; }
#mission .mission-label { position: sticky; top: 116px; align-self: start; }
#mission .mission-label h2 { max-width: 420px; margin-top: 24px; font-size: clamp(30px, 3.5vw, 48px); line-height: 1.3; letter-spacing: -0.03em; }
#mission .mission-label p { max-width: 400px; margin-top: 24px; color: var(--color-muted); }
#mission .mission-sequence { border-top: 1px solid var(--color-line); }
#mission .mission-step { display: grid; min-height: 210px; padding: 40px 0; grid-template-columns: 96px minmax(190px, 0.55fr) 1fr; gap: 30px; align-items: start; }
#mission .mission-step-number { color: var(--color-orange); font-size: 14px; font-weight: 700; letter-spacing: 0.14em; }
#mission .mission-step h3 { color: #fff; font-size: clamp(22px, 2vw, 30px); line-height: 1.4; }
#mission .mission-step p { max-width: 570px; color: var(--color-muted); }
#mission .mission-step:hover h3 { color: var(--color-nebula-light); }

/* planets */
#planets { padding: var(--section-space) 0; border-top: 1px solid var(--color-line); background: #080d14; }
#planets .planet-grid { display: grid; grid-template-columns: 1.35fr 0.85fr 0.85fr; gap: 18px; align-items: stretch; }
#planets .planet-entry { position: relative; min-height: 630px; overflow: hidden; background: var(--color-panel); }
#planets .planet-entry:nth-child(2), #planets .planet-entry:nth-child(3) { min-height: 560px; margin-top: 70px; }
#planets .planet-entry img { position: absolute; inset: 0; height: 100%; object-fit: cover; filter: saturate(0.76) contrast(1.05); transition: transform 0.8s ease, filter 0.8s ease; }
#planets .planet-entry::after { position: absolute; inset: 0; background: linear-gradient( 180deg, rgba(4, 8, 13, 0.03) 30%, rgba(4, 8, 13, 0.94) 100% ); content: ""; }
#planets .planet-entry:hover img { transform: scale(1.035); filter: saturate(1) contrast(1.04); }
#planets .planet-info { position: absolute; z-index: 2; right: 0; bottom: 0; left: 0; padding: 34px; }
#planets .planet-code { color: var(--color-orange); font-size: 13px; font-weight: 700; letter-spacing: 0.15em; }
#planets .planet-info h3 { margin-top: 7px; color: #fff; font-size: clamp(23px, 2.2vw, 32px); }
#planets .planet-info p { max-width: 460px; margin-top: 12px; color: #b7c2ca; font-size: 15px; line-height: 1.75; }
#planets .planet-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
#planets .planet-tags span { padding: 4px 9px; border-left: 2px solid var(--color-nebula-light); background: rgba(5, 8, 13, 0.64); color: #d5dfe5; font-size: 12px; }

/* base */
#base { position: relative; padding: var(--section-space) 0; overflow: hidden; background: var(--color-space); }
#base::before { position: absolute; inset: 0 50% 0 0; border-right: 1px solid var(--color-line); background: rgba(55, 120, 185, 0.035); content: ""; }
#base .base-layout { display: grid; grid-template-columns: minmax(0, 1.14fr) minmax(380px, 0.86fr); gap: 7vw; align-items: start; }
#base .base-visual { position: relative; min-height: 760px; }
#base .base-visual figure { position: absolute; margin: 0; overflow: hidden; }
#base .base-visual figure:first-child { top: 0; right: 9%; left: 0; height: 65%; clip-path: polygon(0 0, 100% 0, 100% 86%, 86% 100%, 0 100%); }
#base .base-visual figure:last-child { right: 0; bottom: 0; width: 54%; height: 43%; border: 12px solid var(--color-space); }
#base .base-visual img { height: 100%; object-fit: cover; }
#base .base-visual figure:first-child img { object-position: center 60%; }
#base .base-visual figure:last-child img { object-position: center; }
#base .base-visual figcaption { position: absolute; right: 18px; bottom: 16px; padding: 5px 10px; background: rgba(5, 8, 13, 0.78); color: #c9d5dc; font-size: 12px; }
#base .base-copy { padding-top: 36px; }
#base .base-copy h2 { max-width: 570px; margin-top: 22px; font-size: clamp(30px, 3.5vw, 48px); line-height: 1.28; letter-spacing: -0.025em; }
#base .base-intro { max-width: 570px; margin-top: 28px; color: var(--color-muted); }
#base .construction-list { margin-top: 48px; border-top: 1px solid var(--color-line); }
#base .construction-item { display: grid; padding: 25px 0; grid-template-columns: 64px 1fr; gap: 22px; border-bottom: 1px solid var(--color-line); }
#base .construction-item span { color: var(--color-orange); font-size: 13px; font-weight: 700; letter-spacing: 0.12em; }
#base .construction-item h3 { color: #fff; font-size: 20px; }
#base .construction-item p { margin-top: 7px; color: var(--color-muted); font-size: 15px; }
#base .base-copy .action-link { margin-top: 38px; }

/* crew */
#crew { padding: var(--section-space) 0; background: #dce3e7; color: #111820; }
#crew .eyebrow { color: #235f91; }
#crew .section-heading p { color: #53616b; }
#crew .crew-grid { display: grid; grid-template-columns: 1.15fr 0.85fr 1fr 0.8fr; gap: 16px; align-items: start; }
#crew .crew-member { position: relative; }
#crew .crew-member:nth-child(2), #crew .crew-member:nth-child(4) { margin-top: 90px; }
#crew .crew-portrait { position: relative; overflow: hidden; aspect-ratio: 4/5; background: #b8c3ca; }
#crew .crew-portrait img { height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.04); transition: filter 0.6s ease, transform 0.8s ease; }
#crew .crew-member:hover .crew-portrait img { filter: grayscale(0) contrast(1); transform: scale(1.025); }
#crew .crew-role { position: absolute; right: 0; bottom: 0; left: 0; padding: 13px 15px; background: rgba(8, 15, 22, 0.88); color: #fff; font-size: 12px; font-weight: 700; letter-spacing: 0.08em; }
#crew .crew-copy { padding: 18px 4px 0; border-top: 3px solid #111820; }
#crew .crew-copy h3 { font-size: 21px; }
#crew .crew-copy p { margin-top: 8px; color: #53616b; font-size: 14px; line-height: 1.7; }

/* ship */
#ship { position: relative; padding: var(--section-space) 0; overflow: hidden; background: #070b11; }
#ship .ship-stage { position: relative; min-height: 720px; border-top: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); }
#ship .ship-media { position: absolute; inset: 0 31% 0 0; overflow: hidden; }
#ship .ship-media::after { position: absolute; inset: 0; background: linear-gradient( 90deg, rgba(7, 11, 17, 0.2), rgba(7, 11, 17, 0.08) 50%, #070b11 100% ); content: ""; }
#ship .ship-media img { height: 100%; object-fit: cover; object-position: center; filter: saturate(0.72) contrast(1.08); }
#ship .ship-specification { position: relative; z-index: 2; width: 47%; margin-left: auto; padding: 64px 0 60px 62px; }
#ship .ship-specification h2 { max-width: 560px; margin-top: 22px; font-size: clamp(30px, 3.5vw, 48px); line-height: 1.26; }
#ship .ship-specification > p { max-width: 550px; margin-top: 26px; color: var(--color-muted); }
#ship .spec-list { margin-top: 45px; border-top: 1px solid var(--color-line); }
#ship .spec-list li { display: grid; padding: 19px 0; grid-template-columns: 42% 58%; border-bottom: 1px solid var(--color-line); }
#ship .spec-list span { color: #81919e; font-size: 14px; }
#ship .spec-list strong { color: #edf3f6; font-size: 15px; font-weight: 600; }
#ship .ship-specification .action-link { margin-top: 36px; }

/* news */
#news { padding: var(--section-space) 0; background: #0c131c; }
#news .news-layout { display: grid; grid-template-columns: minmax(290px, 0.72fr) minmax(0, 1.45fr); gap: 8vw; }
#news .news-intro { position: sticky; top: 112px; align-self: start; }
#news .news-intro h2 { margin-top: 22px; font-size: clamp(30px, 3.5vw, 48px); line-height: 1.3; }
#news .news-intro p { max-width: 420px; margin-top: 22px; color: var(--color-muted); }
#news .news-intro .action-link { margin-top: 34px; }
#news .news-list { border-top: 1px solid var(--color-line); }
#news .news-entry { display: grid; padding: 32px 0; grid-template-columns: 180px minmax(0, 1fr) auto; gap: 30px; align-items: center; border-bottom: 1px solid var(--color-line); }
#news .news-image { overflow: hidden; aspect-ratio: 16/9; background: var(--color-panel); }
#news .news-image img { height: 100%; object-fit: cover; filter: saturate(0.75); transition: transform 0.7s ease, filter 0.7s ease; }
#news .news-entry:hover .news-image img { transform: scale(1.045); filter: saturate(1); }
#news .news-category { color: var(--color-orange); font-size: 12px; font-weight: 700; letter-spacing: 0.12em; }
#news .news-copy h3 { margin-top: 6px; color: #fff; font-size: clamp(20px, 2vw, 27px); line-height: 1.45; }
#news .news-copy p { max-width: 650px; margin-top: 8px; color: var(--color-muted); font-size: 15px; }
#news .news-arrow { display: grid; width: 48px; height: 48px; place-items: center; border: 1px solid var(--color-line); color: var(--color-orange); transition: border-color var(--transition), background var(--transition); }
#news .news-entry:hover .news-arrow { border-color: var(--color-orange); background: rgba(255, 138, 43, 0.08); }

/* departure */
#departure { position: relative; min-height: 620px; overflow: hidden; background: #060a10; }
#departure::before { position: absolute; inset: 0; background: linear-gradient( 90deg, rgba(5, 8, 13, 0.96) 0%, rgba(5, 8, 13, 0.74) 48%, rgba(5, 8, 13, 0.18) 100% ), url(../image/cta-space.webp) center/cover no-repeat; content: ""; }
#departure .departure-inner { position: relative; display: flex; min-height: 620px; align-items: center; }
#departure .departure-copy { max-width: 710px; }
#departure .departure-copy h2 { margin-top: 22px; color: #fff; font-size: clamp(32px, 4.2vw, 58px); line-height: 1.2; letter-spacing: -0.035em; }
#departure .departure-copy p { max-width: 600px; margin-top: 26px; color: #c1ccd4; font-size: 18px; }
#departure .departure-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 39px; }

/* footer */
footer { padding: 82px 0 36px; border-top: 1px solid var(--color-line); background: #04070b; }
footer .footer-brand { display: flex; justify-content: space-between; gap: 50px; align-items: flex-end; padding-bottom: 62px; }
footer .footer-brand-name { color: #fff; font-size: clamp(20px, 7.4vw, 42px); font-weight: 800; line-height: 1; letter-spacing: -0.06em; }
footer .footer-brand p { max-width: 390px; color: var(--color-muted); }
footer .footer-index { display: grid; padding: 26px 0; grid-template-columns: 1fr auto; gap: 28px; align-items: center; border-top: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); }
footer .footer-list { display: flex; flex-wrap: wrap; gap: 12px 28px; }
footer .footer-list a { color: #a8b5bf; font-size: 14px; transition: color var(--transition); }
footer .footer-list a:hover, footer .footer-list a:focus-visible { color: var(--color-orange); outline: none; }
footer .footer-language { display: flex; gap: 14px; color: #73818c; font-size: 13px; font-weight: 700; }
footer .footer-language a:first-child { color: #fff; }
footer .footer-bottom { display: flex; justify-content: space-between; gap: 28px; padding-top: 28px; color: #66747f; font-size: 13px; }

@media (max-width: 1280px) {
	:root { --section-space: 128px; --side-space: 44px; }
	header .nav-list { gap: 22px; }
	header .nav-tools { gap: 15px; }
	header .language-list { display: none; }
	header .hero-index { width: 47vw; }
	#planets .planet-grid { grid-template-columns: 1.2fr 0.9fr 0.9fr; }
	#base .base-layout { gap: 5vw; }
	#crew .crew-grid { grid-template-columns: 1.1fr 0.9fr 1.1fr 0.9fr; }
	#ship .ship-media { right: 37%; }
	#ship .ship-specification { width: 52%; padding-left: 45px; }
}
@media (max-width: 960px) {
	:root { --section-space: 108px; --side-space: 32px; }
	header { min-height: 850px; }
	header .nav-inner { grid-template-columns: auto 1fr auto; }
	header .nav-list, header .nav-cta { display: none; }
	header .menu-toggle { display: block; justify-self: end; }
	header .nav-tools { grid-column: 3; }
	header .nav-list.is-open { position: fixed; min-height: 100vh; top: 70px; right: 0; bottom: 0; left: 0; display: flex; flex-direction: column; justify-content: flex-start; gap: 0; padding: 44px var(--side-space); background: rgba(5, 8, 13, 0.98); }
	header .nav-list.is-open li { border-bottom: 1px solid var(--color-line); }
	header .nav-list.is-open .nav-link { display: block; padding: 20px 0; color: #fff; font-size: 20px; }
	header .hero { min-height: 850px; padding-top: 140px; grid-template-columns: 1fr; align-content: center; }
	header .hero-copy { padding-bottom: 170px; }
	header .hero-index { right: 0; bottom: 75px; left: 0; width: 100%; }
	header .scroll-cue { display: none; }
	.section-heading { grid-template-columns: 1fr; gap: 24px; }
	#mission .mission-layout { grid-template-columns: 1fr; gap: 52px; }
	#mission .mission-label { position: static; }
	#mission .mission-step { grid-template-columns: 70px minmax(180px, 0.55fr) 1fr; }
	#planets .planet-grid { grid-template-columns: 1.2fr 0.8fr; }
	#planets .planet-entry:nth-child(3) { grid-column: 1/-1; min-height: 420px; margin-top: 0; }
	#base::before { display: none; }
	#base .base-layout { grid-template-columns: 1fr; }
	#base .base-visual { min-height: 620px; }
	#base .base-copy { padding-top: 0; }
	#crew .crew-grid { grid-template-columns: 1fr 1fr; gap: 38px 18px; }
	#crew .crew-member:nth-child(2), #crew .crew-member:nth-child(4) { margin-top: 58px; }
	#ship .ship-stage { padding-top: 380px; }
	#ship .ship-media { inset: 0 0 auto; height: 430px; }
	#ship .ship-media::after { background: linear-gradient( 180deg, rgba(7, 11, 17, 0.08), #070b11 100% ); }
	#ship .ship-specification { width: 100%; padding: 50px 0 60px; }
	#news .news-layout { grid-template-columns: 1fr; gap: 52px; }
	#news .news-intro { position: static; }
}
@media (max-width: 768px) {
	:root { --header-height: 72px; --section-space: 90px; --side-space: 24px; }
	body { font-size: 16px; }
	header { min-height: 780px; }
	header::before { background-position: 60% center; }
	header .site-nav.is-scrolled { height: 64px; }
	header .brand-mark { font-size: 14px; }
	header .brand-symbol { width: 29px; height: 29px; }
	header .brand-symbol::after { top: 13px; left: -6px; width: 39px; }
	header .hero { min-height: 780px; padding-top: 120px; padding-bottom: 210px; }
	header h1 { max-width: 620px; font-size: clamp(38px, 8vw, 52px); }
	header .hero-lead { max-width: 520px; }
	header .hero-index { grid-template-columns: 1fr; }
	header .hero-index li { display: grid; min-height: auto; padding: 10px 14px; grid-template-columns: 120px 1fr; border-right: 0; border-bottom: 1px solid rgba(223, 231, 237, 0.14); }
	header .hero-index li:last-child { border-bottom: 0; }
	header .hero-index span { margin-top: 0; }
	#mission { padding-top: 70px; }
	#mission .mission-step { grid-template-columns: 48px 1fr; gap: 18px; }
	#mission .mission-step p { grid-column: 2; }
	#planets .planet-grid { grid-template-columns: 1fr; }
	#planets .planet-entry, #planets .planet-entry:nth-child(2), #planets .planet-entry:nth-child(3) { min-height: 520px; margin-top: 0; grid-column: auto; }
	#base .base-visual { min-height: 540px; }
	#base .base-visual figure:first-child { right: 0; height: 67%; }
	#base .base-visual figure:last-child { width: 64%; height: 40%; }
	#crew .crew-grid { gap: 34px 14px; }
	#crew .crew-member:nth-child(2), #crew .crew-member:nth-child(4) { margin-top: 40px; }
	#ship .ship-stage { padding-top: 330px; }
	#ship .ship-media { height: 370px; }
	#ship .spec-list li { grid-template-columns: 38% 62%; }
	#news .news-entry { grid-template-columns: 132px minmax(0, 1fr); gap: 20px; }
	#news .news-arrow { display: none; }
	#departure, #departure .departure-inner { min-height: 560px; }
	footer .footer-brand { flex-direction: column; align-items: flex-start; }
	footer .footer-index { grid-template-columns: 1fr; }
}
@media (max-width: 500px) {
	:root { --section-space: 76px; --side-space: 18px; }
	body { line-height: 1.75; }
	.eyebrow { font-size: 12px; letter-spacing: 0.12em; }
	.eyebrow::before { width: 24px; }
	.action-link { width: 100%; }
	header { min-height: 760px; }
	header::before { background-position: 64% center; }
	header .brand-mark { gap: 9px; letter-spacing: 0.03em; }
	header .brand-symbol { width: 26px; height: 26px; }
	header .brand-symbol::before { inset: 6px; }
	header .brand-symbol::after { top: 12px; left: -5px; width: 35px; }
	header .menu-toggle { width: 42px; height: 42px; }
	header .hero { min-height: 760px; padding-top: 104px; padding-bottom: 202px; align-content: start; }
	header .hero-copy { padding-top: 42px; padding-bottom: 0; }
	header .hero-kicker { margin-bottom: 22px; font-size: 12px; letter-spacing: 0.12em; }
	header .hero-kicker::before { width: 32px; }
	header h1 { font-size: clamp(34px, 10vw, 40px); line-height: 1.22; letter-spacing: -0.03em; }
	header .hero-lead { margin-top: 22px; font-size: 16px; line-height: 1.8; }
	header .hero-actions { margin-top: 28px; }
	header .hero-index { bottom: 34px; }
	header .hero-index li { padding: 9px 12px; grid-template-columns: 104px 1fr; }
	header .hero-index strong { font-size: 13px; }
	header .hero-index span { font-size: 12px; }
	.section-heading { margin-bottom: 42px; }
	.section-heading h2, #mission .mission-label h2, #base .base-copy h2, #ship .ship-specification h2, #news .news-intro h2 { font-size: 32px; }
	#mission .mission-layout { gap: 38px; }
	#mission .mission-step { min-height: 0; padding: 27px 0; grid-template-columns: 38px 1fr; gap: 12px; }
	#mission .mission-step h3 { font-size: 22px; }
	#mission .mission-step p { font-size: 15px; }
	#planets .planet-entry, #planets .planet-entry:nth-child(2), #planets .planet-entry:nth-child(3) { min-height: 460px; }
	#planets .planet-info { padding: 24px 20px; }
	#base .base-visual { display: flex; min-height: auto; flex-direction: column; gap: 12px; }
	#base .base-visual figure { position: relative; inset: auto; width: 100%; margin: 0; border: 0; }
	#base .base-visual figure:first-child { height: auto; aspect-ratio: 4/3; clip-path: polygon(0 0, 100% 0, 100% 88%, 88% 100%, 0 100%); }
	#base .base-visual figure:last-child { width: 72%; height: auto; margin: -44px 0 0 auto; aspect-ratio: 4/3; border: 8px solid var(--color-space); }
	#base .construction-item { padding: 22px 0; grid-template-columns: 44px 1fr; gap: 14px; }
	#crew .crew-grid { grid-template-columns: 1fr; }
	#crew .crew-member:nth-child(2), #crew .crew-member:nth-child(4) { margin-top: 0; }
	#crew .crew-portrait { aspect-ratio: 4/4.8; }
	#ship .ship-stage { padding-top: 245px; }
	#ship .ship-media { height: 285px; }
	#ship .ship-specification { padding-top: 38px; }
	#ship .spec-list li { grid-template-columns: 1fr; gap: 4px; }
	#news .news-entry { padding: 26px 0; grid-template-columns: 1fr; }
	#news .news-image { aspect-ratio: 16/9; }
	#departure::before { background-position: 65% center; }
	#departure .departure-copy h2 { font-size: 36px; }
	#departure .departure-copy p { font-size: 16px; }
	#departure .departure-actions { flex-direction: column; }
	footer { padding-top: 64px; }
	footer .footer-brand { padding-bottom: 44px; }
	footer .footer-brand-name { font-size: 48px; letter-spacing: -0.045em; }
	footer .footer-list { display: grid; grid-template-columns: 1fr 1fr; }
	footer .footer-bottom { flex-direction: column; gap: 8px; }
}
@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	*, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
	.horizontal-reveal { opacity: 1; transform: none; }
	.line-reveal::after { transform: scaleX(1); }
	.media-reveal img { transform: none; }
}