/* Hallmark · macrostructure: Index-first / stage programme · tone: tactile editorial · anchor hue: warm gold
 * custom: midnight rhythm programme · nav: N6 compact masthead · footer: Ft5 statement
 * audience: rhythm-game players · use: learn mechanics and acquisition requirements · typography: native Chinese serif + sans
 * pre-emit critique: P4 H4 E4 S5 R5 V4 (design review; browser checks pending)
 */
@import url('tokens.css');
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@media(max-width:640px){html{scroll-padding-top:5rem}.masthead{height:auto;min-height:58px;display:flex;justify-content:space-between;align-items:center;padding:0 1rem}.mast-title{font-size:1rem;justify-content:flex-start}.nav-row{display:none}.mobile-nav{display:block;position:relative}.mobile-nav summary{min-height:44px;display:flex;align-items:center;cursor:pointer;white-space:nowrap}.mobile-nav nav{position:absolute;right:0;top:3rem;width:240px;padding:1rem;background:var(--color-dark);border:1px solid var(--color-gold);display:grid;gap:.3rem}.mobile-nav nav a{min-height:44px;display:flex;align-items:center;white-space:nowrap;text-decoration:none}.hero{display:flex;flex-direction:column;align-items:stretch;gap:1rem;padding:1.5rem 1.25rem;min-height:0}.hero-art{transform:none;max-width:480px;align-self:center}.hero-copy h1{font-size:2rem}.hero-copy p{font-size:.95rem}.original-name{font-size:1.15rem}.game-logo{max-width:210px;max-height:90px}.hero-art figcaption{font-size:.75rem}.actions{gap:.75rem}.actions .btn{padding:.6rem .85rem;font-size:.875rem}.hero-copy .hint{margin-bottom:0}.section{padding:2rem 1.25rem}.spread,.specs{grid-template-columns:minmax(0,1fr)}.facts{gap:1rem}.thumbs{grid-template-columns:repeat(2,minmax(0,1fr))}.gallery-grid{grid-template-columns:minmax(0,1fr)}.gallery-grid figure:first-child{grid-column:auto}.toc{gap:.25rem 1.25rem;padding:.5rem 1.25rem}.closing,.footer{padding:2rem 1.25rem}.sticky-cta{gap:.75rem;justify-content:space-between;padding:.7rem 1rem}.sticky-cta span{font-size:.75rem;max-width:100px}.sticky-cta .btn{font-size:.875rem;padding:.55rem .8rem}.download-panel{padding:1.25rem}.section[id]{scroll-margin-top:5rem}.footer-line{font-size:1.5rem}.lightbox-tools{gap:.4rem}.lightbox-tools button{padding:.3rem .6rem;font-size:.875rem}}
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