.timeline-section{padding:var(--size-6) var(--size-6) var(--size-6);background:var(--theme-bg-primary);max-width:1400px;margin:0 auto}.timeline-section__inner{max-width:800px;margin:0 auto}.timeline-section__inner>h2{margin-bottom:.5rem}.timeline-section__inner>p{margin-bottom:.75rem}.timeline{flex-direction:column;gap:1.25rem;margin:0;padding:0;list-style:none;display:flex}.timeline-item{grid-template-columns:3rem 1fr;align-items:start;gap:1rem;display:grid}.timeline-item__emoji{font-family:var(--font-emoji);align-items:flex-start;padding-top:.25rem;font-size:2rem;line-height:1;display:flex;color:#000!important}.timeline-item__content{align-items:flex-start;display:flex}.timeline-item__text{font-size:var(--font-size-3);color:var(--theme-text-secondary);max-inline-size:none;margin:0;line-height:1.7}.chapter{padding:var(--size-8) var(--size-6);border-bottom:5px solid var(--theme-border)}.chapter:last-child{border-bottom:none}.chapter__inner{max-width:800px;margin:0 auto}.chapter__title{font-family:var(--font-heading);text-transform:uppercase;letter-spacing:-.02em;margin:0 0 var(--size-6) 0;color:var(--theme-text-primary);font-size:clamp(2.25rem,5vw,4rem);font-weight:900;line-height:1}.chapter--teal{background:color-mix(in oklch, var(--color-teal) 12%, var(--theme-bg-primary))}.chapter--violet{background:color-mix(in oklch, var(--color-violet) 12%, var(--theme-bg-primary))}.chapter--lime{background:color-mix(in oklch, var(--color-lime) 10%, var(--theme-bg-primary))}.chapter__items{gap:var(--size-5);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.chapter-item{gap:var(--size-4);grid-template-columns:3.5rem 1fr;align-items:start;display:grid}.chapter-item .emoji{padding-top:.2rem}.chapter-item__text{font-size:var(--font-size-3);color:var(--theme-text-secondary);max-inline-size:none;margin:0;line-height:1.7}.bento{gap:var(--size-5);grid-template-columns:1fr 1fr;display:grid}.bento--three{grid-template-columns:repeat(3,1fr)}.bento__card{padding:var(--size-7) var(--size-6);border:5px solid var(--theme-border);position:relative}.bento__card--music{background:color-mix(in oklch, var(--color-pink) 10%, var(--theme-bg-primary))}.bento__card--travel{background:color-mix(in oklch, var(--color-indigo) 10%, var(--theme-bg-primary))}.bento__card--photo{background:color-mix(in oklch, var(--color-yellow) 10%, var(--theme-bg-primary))}.bento__card--community{background:color-mix(in oklch, var(--color-orange) 10%, var(--theme-bg-primary))}.bento__card .emoji{margin-bottom:var(--size-5);font-size:4rem;display:block}.bento__text{font-size:var(--font-size-2);color:var(--theme-text-secondary);max-inline-size:none;margin:0;line-height:1.7}.chapter__description{font-size:var(--font-size-3);color:var(--theme-text-secondary);margin:0 0 var(--size-6) 0;max-inline-size:none;line-height:1.7}.chapter__footnote{font-size:var(--font-size-2);color:var(--theme-text-muted);margin:var(--size-5) 0 0 0;line-height:1.6}.bento__label{font-family:var(--font-display);font-size:var(--font-size-3);margin:0 0 var(--size-2) 0;color:var(--theme-text-primary);font-weight:700}.bento--four{grid-template-columns:repeat(2,1fr)}.bento__card--direction{background:color-mix(in oklch, var(--color-teal) 10%, var(--theme-bg-primary))}.bento__card--validation{background:color-mix(in oklch, var(--color-yellow) 10%, var(--theme-bg-primary))}.bento__card--architecture{background:color-mix(in oklch, var(--color-violet) 10%, var(--theme-bg-primary))}.bento__card--judgment{background:color-mix(in oklch, var(--color-orange) 10%, var(--theme-bg-primary))}.ail-scale{gap:var(--size-3);flex-direction:column;display:flex}.ail-level{gap:var(--size-4);padding:var(--size-4) var(--size-5);border:5px solid var(--theme-border);opacity:0;transition:opacity .5s cubic-bezier(.16,1,.3,1),transform .5s cubic-bezier(.16,1,.3,1);transition-delay:calc(var(--i,0) * 60ms);grid-template-columns:4rem 1fr;align-items:center;display:grid;transform:translateY(16px)}.ail-level.is-visible{opacity:1;transform:translateY(0)}.ail-level__number{font-family:var(--font-heading);text-align:center;font-size:clamp(2rem,4vw,2.5rem);font-weight:900;line-height:1}.ail-level__content{flex-direction:column;gap:.15rem;display:flex}.ail-level__title{font-family:var(--font-display);font-weight:700;font-size:var(--font-size-2);color:var(--theme-text-primary);margin:0}.ail-level__desc{font-size:var(--font-size-1);color:var(--theme-text-muted);margin:0;line-height:1.5}.ail-level--0{background:color-mix(in oklch, var(--color-teal) 12%, var(--theme-bg-primary))}.ail-level--0 .ail-level__number{color:var(--color-teal)}.ail-level--1{background:color-mix(in oklch, var(--color-lime) 10%, var(--theme-bg-primary))}.ail-level--1 .ail-level__number{color:var(--color-lime)}.ail-level--2{background:color-mix(in oklch, var(--color-yellow) 10%, var(--theme-bg-primary))}.ail-level--2 .ail-level__number{color:var(--color-yellow)}.ail-level--3{background:color-mix(in oklch, var(--color-orange) 10%, var(--theme-bg-primary))}.ail-level--3 .ail-level__number{color:var(--color-orange)}.ail-level--4{background:color-mix(in oklch, var(--color-pink) 10%, var(--theme-bg-primary))}.ail-level--4 .ail-level__number{color:var(--color-pink)}.ail-level--5{background:color-mix(in oklch, var(--color-violet) 12%, var(--theme-bg-primary))}.ail-level--5 .ail-level__number{color:var(--color-violet)}@media (prefers-reduced-motion:reduce){.ail-level{opacity:1;transition:none;transform:none}}.chapter-item,.bento__card{opacity:0;transition:opacity .5s cubic-bezier(.16,1,.3,1),transform .5s cubic-bezier(.16,1,.3,1);transition-delay:calc(var(--i,0) * 60ms);transform:translateY(16px)}.chapter-item.is-visible,.bento__card.is-visible{opacity:1;transform:translateY(0)}@media (prefers-reduced-motion:reduce){.chapter-item,.bento__card{opacity:1;transition:none;transform:none}}@media (width<=768px){.timeline-section{padding-bottom:var(--size-10)}.timeline-item__text{font-size:var(--font-size-2)}.timeline-item{grid-template-columns:3rem 1fr;gap:1.5rem}.timeline-item__emoji{font-size:2.5rem}.chapter{padding:var(--size-6) var(--size-4)}.chapter__title{margin-bottom:var(--size-5);font-size:clamp(2rem,8vw,3rem)}.chapter-item__text{font-size:var(--font-size-2)}.bento,.bento--three,.bento--four{grid-template-columns:1fr}.chapter__description{font-size:var(--font-size-2)}.ail-level{gap:var(--size-3);padding:var(--size-3) var(--size-4);grid-template-columns:3.5rem 1fr}}@media (width<=480px){.timeline-item{grid-template-columns:3rem 1fr;gap:1rem}.timeline-item__emoji{font-size:2.5rem}.chapter-item{gap:var(--size-3);grid-template-columns:3rem 1fr}}