/* Responsive portrait layout and presentation refinements. */
nav { justify-content: space-between; gap: 20px; }
nav .nav-logo { position: static; flex-shrink: 0; }
.nav-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px; min-width: 0; }
.nav-links a { display: flex; align-items: center; justify-content: center; min-height: 44px; }
section, #profile { scroll-margin-top: 96px; }
#hero { max-width: none; width: 100%; min-height: 880px; min-height: min(100svh, 1000px); padding: 120px 40px 80px; }
.hero-composition { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.4fr); align-items: center; width: min(1280px, 100%); gap: 32px; position: relative; }
.hero-copy { position: relative; z-index: 2; }
.hero-eyebrow { font-family: var(--font-en); font-size: 12px; letter-spacing: .2em; color: var(--red-main); margin-bottom: 24px; }
.hero-copy .hero-name { font-size: clamp(64px, 9vw, 140px); text-align: left; }
.hero-copy .hero-name-ja { text-align: left; margin-top: 16px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-actions a { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 12px 20px; border: 1px solid var(--pink-main); background: var(--white); color: var(--red-main); border-radius: 999px; text-decoration: none; font-weight: 700; }
.hero-actions a:first-child { background: var(--red-main); color: white; }
.hero-art-stage { min-width: 0; position: relative; height: clamp(430px, calc(100svh - 200px), 720px); display: grid; place-items: center; isolation: isolate; }
.hero-art-stage::before { content: ''; position: absolute; inset: 7% 3%; border: 2px solid var(--pink-mid); border-radius: 48% 48% 42% 42%; background: linear-gradient(140deg, #fff9, #fff2); transform: rotate(-6deg); z-index: -1; }
.hero-keyvisual { display: block; width: 100%; height: 100%; object-fit: contain; object-position: center bottom; position: absolute; inset: 0; min-height: 0; z-index: 1; }
.hero-asset-fallback { display: grid; justify-items: center; gap: 24px; padding: 32px; text-align: center; }
.hero-asset-fallback img.hero-icon { width: clamp(160px, 23vw, 300px); height: auto; aspect-ratio: 1; }
.asset-draft-note { font-size: 13px; line-height: 1.9; color: var(--text-mid); }
.hero-motif { position: absolute; pointer-events: none; color: var(--pink-main); }
.motif-heart { font-size: 140px; left: 0; top: 0; transform: rotate(-18deg); }
.motif-star { font-size: 70px; right: 0; top: 20%; color: var(--purple-mid); }
.motif-candy { font-size: 48px; bottom: 4%; right: 4%; transform: rotate(15deg); }
.works-inner { max-width: 1100px; }
.timeline { padding: 0; border-top: 2px solid var(--pink-mid); }
.timeline::before, .tl-dot { display: none; }
.timeline .tl-item { display: grid; grid-template-columns: 112px minmax(0, 1fr) 205px; align-items: center; gap: 16px; padding: 14px 12px; border-bottom: 1px solid var(--pink-mid); }
.tl-item:nth-child(even) { background: var(--pink-light); }
.tl-date, .tl-title { margin: 0; }
.tl-partner { justify-self: start; max-width: 100%; overflow-wrap: anywhere; }
a:focus-visible { outline: 3px solid var(--purple-mid); outline-offset: 4px; }
@media (max-width: 900px) {
 nav { flex-direction: column; gap: 4px; padding: 8px 12px; }
 nav .nav-logo { padding: 0 8px; }
 .nav-links { width: 100%; }
 section, #profile { scroll-margin-top: 160px; }
 .nav-links a { font-size: 12px; padding: 6px 10px; }
 #hero { padding: 172px 24px 64px; }
 .hero-composition { grid-template-columns: 1fr; gap: 12px; }
 .hero-copy { text-align: center; }
 .hero-copy .hero-name, .hero-copy .hero-name-ja { text-align: center; }
 .hero-actions { justify-content: center; }
 .hero-art-stage { height: clamp(400px, 95vw, 660px); width: min(100%, 640px); justify-self: center; }
 .hero-asset-fallback img.hero-icon { width: clamp(160px, 44vw, 280px); }
 .timeline .tl-item { grid-template-columns: 96px minmax(0, 1fr); gap: 6px 12px; }
 .tl-partner { grid-column: 2; }
}
@media (max-width: 480px) {
 nav { padding: 6px 12px; }
 .nav-links { display: grid; grid-template-columns: 1.5fr repeat(3, minmax(0, 1fr)); gap: 2px; }
 .nav-links a { font-size: 11px; padding: 4px; white-space: nowrap; }
 #hero { padding: 172px 20px 56px; }
 .hero-eyebrow { margin-bottom: 12px; }
 .hero-copy .hero-name-ja { margin-top: 10px; margin-bottom: 10px; }
 .hero-badge { margin-bottom: 18px; }
 .hero-copy .hero-name { font-size: clamp(54px, 17vw, 76px); }
 .hero-eyebrow { font-size: 10px; letter-spacing: .12em; }
 .hero-actions a { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 12px 14px; font-size: 12px; }
 .hero-art-stage { height: clamp(420px, 126vw, 560px); }
 .motif-heart { font-size: 100px; }
 .motif-star { font-size: 46px; }
 .timeline .tl-item { grid-template-columns: 1fr; gap: 6px; padding: 12px 8px; }
 .tl-partner { grid-column: 1; }
 .tl-title { font-size: 14px; }
}

/* Preserve readable content instead of overlaying it on touch-sized screens. */
@media (max-width: 600px) {
 #float-shop { display: none; }
 .links-grid { grid-template-columns: minmax(0, 1fr); gap: 12px; }
 .link-card { padding: 16px; gap: 12px; }
 .link-text { min-width: 0; overflow-wrap: anywhere; }
 .link-arrow { opacity: 1; transform: none; }
 #links, #youtube, #works { padding: 52px 20px; }
 .timeline .tl-item:last-child { padding-bottom: 12px; }
}
@media (hover: none), (pointer: coarse) {
 #custom-cursor { display: none !important; }
 .link-card:hover { animation: none; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto !important; }
 *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
 .reveal { opacity: 1; transform: none; }
 #ambient-canvas, #sparkle-canvas { display: none; }
}