:root {
  --paper: #f6f5f2;
  --white: #ffffff;
  --ice: #efeeea;
  --ice-strong: #e6e4df;
  --ink: #24272c;
  --ink-soft: #44484c;
  --muted: #636466;
  --line: #d9d7d2;
  --blue: #735a38;
  --blue-dark: #604a2d;
  --night: #292e33;
  --accent: #9a7749;
  font-family: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", "Heiti TC", sans-serif;
  font-size: 16px;
  color: var(--ink);
  background: var(--paper);
  scroll-behavior: smooth;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 6rem; }
body { margin: 0; min-width: 320px; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
::selection { background: var(--ice-strong); color: var(--ink); }

.shell { width: min(100% - 5rem, 1240px); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: -5rem; left: 1rem; padding: .75rem 1rem; background: var(--ink); color: #fff; }
.skip-link:focus { top: 1rem; }

.site-header { position: sticky; top: 0; z-index: 30; background: rgba(246,245,242,.97); border-bottom: 1px solid var(--line); }
.header-inner { min-height: 78px; display: flex; align-items: center; gap: 2rem; }
.brand { display: inline-flex; gap: .75rem; align-items: center; text-decoration: none; white-space: nowrap; }
.brand-mark { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--ink); font: italic 1.55rem Georgia, serif; position: relative; }
.brand-mark::after { content: ""; width: 7px; height: 7px; position: absolute; right: -4px; bottom: -4px; background: var(--accent); }
.brand-name { display: grid; gap: .17rem; }
.brand-name strong { font-family: Georgia, serif; font-size: .85rem; letter-spacing: .19em; }
.brand-name small { font-size: .75rem; color: var(--muted); letter-spacing: .04em; }
.desktop-nav { display: flex; gap: clamp(.85rem, 2vw, 2rem); align-items: center; margin-left: auto; }
.desktop-nav a { text-decoration: none; font-size: .89rem; font-weight: 650; padding: .6rem .1rem; color: var(--ink-soft); }
.desktop-nav a:hover { color: var(--blue); }
.header-cta { display: inline-flex; align-items: center; gap: .75rem; text-decoration: none; white-space: nowrap; color: white; background: var(--blue-dark); padding: .85rem 1.15rem; font-size: .89rem; font-weight: 700; transition: background .2s, transform .2s; }
.header-cta:hover, .button-primary:hover { background: #4b3823; transform: translateY(-2px); }
.mobile-nav { display: none; }

.hero { position: relative; overflow: hidden; background: #fbfaf8; border-bottom: 1px solid var(--line); }
.hero::before { content: ""; position: absolute; width: 38vw; height: 38vw; border-radius: 50%; border: 1px solid #e7e5e0; top: -28vw; right: -5vw; pointer-events: none; }
.hero-inner { padding-block: clamp(5rem, 9vw, 9rem) clamp(3.5rem, 5.5vw, 6rem); position: relative; z-index: 1; }
.eyebrow { display: flex; align-items: center; gap: .85rem; text-transform: uppercase; letter-spacing: .12em; font-size: .8rem; font-weight: 700; color: var(--blue-dark); margin: 0 0 2.15rem; }
.eyebrow-line { display: inline-block; width: 36px; height: 2px; background: var(--blue); }
h1,h2,h3,p { margin-top: 0; }
h1 { max-width: 1120px; font-size: clamp(3.1rem, 6vw, 5.9rem); letter-spacing: -.058em; line-height: 1.13; font-weight: 600; margin-bottom: 1.9rem; text-wrap: balance; }
.hero h1 span { display: block; }
.hero h1 .hero-title-first { color: var(--ink); }
.hero h1 .hero-title-bridge { color: var(--ink-soft); font-size: .7em; margin-top: .12em; }
.hero h1 .hero-title-question { color: var(--blue-dark); margin-top: .16em; }
.hero-lead { max-width: 750px; color: var(--ink-soft); font-size: clamp(1.125rem, 1.6vw, 1.35rem); line-height: 1.8; margin-bottom: 2.4rem; }
.hero-turn { max-width: 750px; color: var(--ink); font-weight: 650; font-size: 1.08rem; line-height: 1.75; margin: -1.15rem 0 2.4rem; }
.hero-actions { display: flex; align-items: center; gap: 1.7rem; flex-wrap: wrap; }
.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: space-between; gap: 2.5rem; padding: .9rem 1.35rem; text-decoration: none; font-weight: 750; transition: background .2s, transform .2s; }
.button-primary { background: var(--blue-dark); color: #fff; }
.text-link { display: inline-flex; align-items: center; gap: .5rem; color: var(--ink); text-decoration-thickness: 1px; text-underline-offset: 5px; font-size: .97rem; font-weight: 700; }
.text-link:hover { color: var(--blue); }
.hero-note { display: flex; gap: 0; align-items: center; flex-wrap: wrap; padding-top: clamp(4rem, 7vw, 7rem); color: var(--muted); font-size: .875rem; letter-spacing: .025em; }
.hero-note span { padding: .15rem 1.2rem; border-left: 1px solid var(--line); }
.hero-note span:first-child { padding-left: 0; border-left: 0; }
.hero-edge { display: flex; align-items: center; gap: 1rem; position: absolute; right: 2rem; bottom: 1.6rem; writing-mode: vertical-rl; color: #8b7a63; font: 600 .62rem Georgia, serif; letter-spacing: .16em; }
.edge-rule { height: 36px; width: 1px; background: #b6a789; }

.section { padding-block: clamp(5.25rem, 9vw, 9rem); }
.section-index { text-transform: uppercase; letter-spacing: .12em; color: var(--blue-dark); font-size: .78rem; font-weight: 800; margin-bottom: 1.5rem; }
.section-heading { max-width: 780px; margin-bottom: 3.4rem; }
.section-heading.compact { max-width: none; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(270px, .65fr); column-gap: 6rem; align-items: end; }
.section-heading.compact .section-index { grid-column: 1 / -1; }
.section-heading h2, .result h2, .case h2, .about h2, .closing h2 { font-size: clamp(2.2rem, 3.55vw, 3.6rem); line-height: 1.35; letter-spacing: -.037em; font-weight: 720; margin-bottom: 1.15rem; text-wrap: balance; }
.section-heading p:not(.section-index), .result-intro > p:not(.section-index), .case-head > p, .about-copy p, .closing-action p { font-size: 1.06rem; line-height: 1.8; color: var(--ink-soft); }
.section-heading.compact h2 { margin-bottom: 0; }
.section-heading.compact > p:last-child { margin-bottom: .15rem; }

.signals { background: var(--paper); }
.signal-list { border-top: 1px solid var(--ink); }
.signal-row { display: grid; grid-template-columns: 70px minmax(170px, .43fr) minmax(350px, .57fr); gap: 2rem; align-items: center; padding: 2rem 0; border-bottom: 1px solid var(--line); }
.signal-no, .step-count, .offer-number { font: 700 .76rem Georgia, serif; color: var(--blue); letter-spacing: .08em; }
.signal-row h3 { color: var(--muted); font-size: .98rem; line-height: 1.55; font-weight: 650; margin: 0; }
.signal-row p { color: var(--ink); font-size: clamp(1.4rem, 2.1vw, 1.95rem); font-weight: 600; letter-spacing: -.03em; line-height: 1.5; margin: 0; }
.memory-anchor { border-top: 1px solid var(--line); padding-top: 3.8rem; margin: 5rem 0 0; font-size: clamp(3.25rem, 7.1vw, 6.8rem); font-weight: 600; letter-spacing: -.065em; line-height: 1.16; }
.fit-details { border-top: 1px solid var(--line); margin-top: 4rem; padding-top: 1rem; max-width: 920px; }
.fit-details summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 2rem; align-items: baseline; font-size: clamp(1.25rem, 2vw, 1.65rem); line-height: 1.5; font-weight: 650; }
.fit-details summary::-webkit-details-marker { display: none; }
.fit-details summary span { color: var(--blue-dark); font-size: 1.5rem; transition: transform .2s; }
.fit-details ul { color: var(--ink-soft); margin: 1.3rem 0 1rem; padding-left: 1.4rem; line-height: 1.8; }
.fit-details li { margin-bottom: .45rem; }
.fit-details > p { color: var(--muted); font-size: .93rem; line-height: 1.7; }

.result { background: var(--ice); border-block: 1px solid #dddbd5; }
.result-grid { display: grid; grid-template-columns: minmax(290px, .9fr) minmax(400px, 1.1fr); gap: clamp(4rem, 7vw, 8rem); }
.result-intro { align-self: start; position: sticky; top: 8rem; }
.result-intro > p:not(.section-index) { max-width: 500px; margin-bottom: 2rem; }
.result-list { border-top: 1px solid #aaa69e; }
.result-item { display: grid; grid-template-columns: 50px 1fr; gap: 1rem; padding: 2rem 0 2.2rem; border-bottom: 1px solid #d3d0ca; }
.result-item h3 { font-size: clamp(1.5rem, 2.05vw, 2rem); line-height: 1.35; margin-bottom: .6rem; letter-spacing: -.02em; }
.result-item p { color: var(--ink-soft); font-size: 1rem; line-height: 1.75; max-width: 430px; margin: 0; }
.result-details { margin-top: 1.35rem; color: var(--ink-soft); }
.result-details summary, .method-details summary { cursor: pointer; display: flex; justify-content: space-between; gap: 1rem; align-items: center; padding: .9rem 0; font-weight: 700; font-size: .94rem; color: var(--blue-dark); list-style: none; }
.result-details summary::-webkit-details-marker, .method-details summary::-webkit-details-marker { display: none; }
.result-details summary span, .method-details summary span { font-size: 1.35rem; line-height: 1; font-weight: 400; transition: transform .2s; }
details[open] > summary span { transform: rotate(45deg); }
.result-details ol { padding-left: 1.5rem; margin: .3rem 0 1rem; columns: 2; column-gap: 2rem; font-size: .91rem; line-height: 1.7; }
.result-details li { break-inside: avoid; margin: 0 0 .8rem; padding-left: .25rem; }
.result-details > p { color: var(--ink-soft); font-size: .89rem; line-height: 1.7; }

.case { background: var(--white); }
.case-head { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(270px,.6fr); gap: 6rem; align-items: end; margin-bottom: 3rem; }
.case-head h2 { margin-bottom: 0; }
.case-head > p { margin-bottom: .1rem; }
.case-workbench { display: grid; grid-template-columns: minmax(245px, .36fr) minmax(0,.64fr); background: var(--night); color: #fff; min-height: 470px; }
.case-rail { padding: clamp(2rem, 4vw, 3.75rem); border-right: 1px solid rgba(255,255,255,.23); display: flex; flex-direction: column; }
.case-label { font-size: .77rem; color: #d6c6a8; letter-spacing: .12em; font-weight: 700; margin-bottom: 2.35rem; }
.case-tabs { display: grid; }
.case-tab { display: flex; align-items: center; gap: 1rem; width: 100%; background: none; border: 0; border-left: 2px solid rgba(255,255,255,.22); padding: 1.2rem 1rem; color: #d0cbc3; text-align: left; cursor: pointer; font-weight: 650; transition: color .2s, border-color .2s, background .2s; }
.case-tab span { color: #d0be9f; font: 700 .74rem Georgia, serif; }
.case-tab:hover { color: #fff; background: rgba(255,255,255,.06); }
.case-tab.is-active { color: #fff; border-left-color: #ddbe86; background: rgba(222,190,134,.12); }
.case-hint { color: #c2b7a8; font-size: .8rem; line-height: 1.5; margin: auto 0 0; padding-top: 2rem; }
.case-panels { min-width: 0; display: flex; flex-direction: column; }
.case-panel { padding: clamp(2.3rem, 5vw, 4.7rem); flex: 1; }
.js .case-panel:not(.is-active) { display: none; }
.case-panel.is-active { animation: panel-in .38s ease both; }
.panel-kicker { display: inline-block; color: #d9c399; font-size: .8rem; font-weight: 700; letter-spacing: .15em; margin-bottom: 2.1rem; }
.panel-quote { font-size: clamp(2.05rem, 3.4vw, 3.35rem); line-height: 1.3; letter-spacing: -.045em; font-weight: 600; margin-bottom: 1.9rem; text-wrap: balance; }
.case-panel > p:last-child { max-width: 570px; font-size: 1rem; line-height: 1.8; color: #d8d2c9; margin-bottom: 0; }
.case-panel:not(#panel-scene) .panel-quote { font-size: .95rem; letter-spacing: .08em; color: #d9c399; margin-bottom: 1.5rem; }
.case-panel:not(#panel-scene) > p:last-child { font-size: clamp(1.4rem, 2.15vw, 2.05rem); line-height: 1.55; color: #fff; }
.case-bottom { display: flex; justify-content: space-between; gap: 1rem; align-items: center; padding: 1.35rem clamp(2.3rem, 5vw, 4.7rem); border-top: 1px solid rgba(255,255,255,.22); color: #c3b8aa; font-size: .78rem; }
.case-bottom a { color: #fff; font-weight: 700; font-size: .9rem; text-underline-offset: 5px; }
.case-secondary { display: grid; grid-template-columns: minmax(0,1fr) minmax(300px,1fr); gap: 1.5rem 3rem; align-items: start; padding: 2.2rem 0 0; margin-top: 2.2rem; border-top: 1px solid var(--line); }
.status-label { display: inline-block; color: var(--accent); border: 1px solid #d7be9a; padding: .33rem .6rem; font-size: .72rem; font-weight: 750; letter-spacing: .07em; margin-bottom: .9rem; }
.case-secondary h3 { font-size: clamp(1.9rem, 2.7vw, 2.75rem); letter-spacing: -.03em; line-height: 1.4; margin: 0; }
.case-secondary p { color: var(--ink-soft); font-size: .95rem; line-height: 1.7; margin: 0; }
.case-secondary .text-link { grid-column: 2; }
.case-extra { border-top: 1px solid var(--line); margin-top: 1.2rem; }
.case-extra summary, .offer-details summary { list-style: none; cursor: pointer; display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; padding: .9rem 0; font-size: .9rem; color: var(--blue-dark); font-weight: 700; }
.case-extra summary::-webkit-details-marker, .offer-details summary::-webkit-details-marker { display: none; }
.case-extra summary span, .offer-details summary span { font-size: 1.25rem; font-weight: 400; transition: transform .2s; }
.case-extra p { margin: .65rem 0 1rem; }

.cooperation { background: var(--paper); }
.offer-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.offer-card { padding: 2.3rem 2rem 2.2rem 0; min-height: 340px; display: flex; flex-direction: column; }
.offer-card + .offer-card { border-left: 1px solid var(--line); padding-left: 2rem; }
.offer-number { margin-bottom: 1.7rem; display: block; }
.offer-card h3 { font-size: clamp(1.4rem, 1.9vw, 1.85rem); line-height: 1.48; letter-spacing: -.025em; margin-bottom: 1.05rem; }
.offer-card > p { color: var(--ink-soft); font-size: .98rem; line-height: 1.75; }
.offer-details { border-top: 1px solid var(--line); margin-top: auto; }
.offer-details p { color: var(--ink-soft); font-size: .9rem; line-height: 1.7; margin-bottom: .8rem; }
.offer-output { display: flex; gap: .65rem; align-items: baseline; border-top: 1px solid var(--line); padding-top: 1rem; margin-top: auto; font-size: .9rem; line-height: 1.6; }
.offer-output strong { white-space: nowrap; color: var(--blue-dark); }
.offer-output span { color: var(--muted); }
.cooperation-flow { margin-top: 3.2rem; }
.cooperation-flow > p { color: var(--blue-dark); font-weight: 750; font-size: .84rem; letter-spacing: .08em; margin-bottom: 1rem; }
.cooperation-flow ol { list-style: none; display: grid; grid-template-columns: repeat(4,1fr); padding: 0; margin: 0; border-top: 1px solid var(--line); }
.cooperation-flow li { position: relative; display: flex; gap: .65rem; padding: 1.25rem .6rem 0 0; font-size: .92rem; font-weight: 700; }
.cooperation-flow li + li::before { content: "→"; position: absolute; left: -1.1rem; color: #ac9f8d; }
.cooperation-flow li span { color: var(--blue); font: 700 .7rem Georgia, serif; padding-top: .18rem; }

.about { background: var(--ice); border-top: 1px solid #dddbd5; }
.about-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(350px,.85fr); gap: clamp(3rem,8vw,9rem); }
.about-copy p { margin-bottom: 1.3rem; }
.about-statement { border-left: 2px solid var(--accent); padding-left: 1.2rem; margin: 2rem 0 0; color: var(--ink-soft); font-size: clamp(1.35rem, 2vw, 1.75rem); line-height: 1.55; }
.method-details { border-top: 1px solid #d4d1ca; margin-top: 2.2rem; }
.method-details p { font-size: .94rem; margin-top: .8rem; }
.method-details h3 { font-size: 1.15rem; margin: 1.6rem 0 .55rem; }
.method-list { padding-left: 1.5rem; color: var(--ink-soft); font-size: .94rem; line-height: 1.8; }
.method-list li { margin: .3rem 0; }
.method-list strong { color: var(--ink); }
.about-copy .about-credential { color: var(--blue-dark); font-size: .85rem; font-weight: 700; margin-top: 1.75rem; }
.about-copy small { color: var(--muted); line-height: 1.6; }
.method-steps { color: var(--blue-dark); font-size: .85rem; font-weight: 700; line-height: 1.7; padding-bottom: .5rem; }
.method-steps span { color: #ad9b7f; padding-inline: .25rem; }

.closing { background: var(--night); color: #fff; padding-block: clamp(5rem,8vw,8rem); }
.closing-grid { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(320px,.78fr) 220px; gap: clamp(2rem, 4vw, 4.5rem); align-items: start; }
.closing .section-index { color: #dfc69f; }
.closing-grid > div:first-child { grid-column: 1 / -1; }
.closing h2 { max-width: 1090px; margin-bottom: 0; font-size: clamp(3rem, 5.5vw, 5rem); line-height: 1.17; }
.closing-action { grid-column: 1 / 3; max-width: 760px; }
.closing-action p { color: #d8d1c6; margin-bottom: 2rem; }
.button-light { background: #f4f3f0; color: var(--ink); width: fit-content; }
.button-light:hover { background: #fff; transform: translateY(-2px); }
.closing-action small { display: block; color: #c4b8a6; font-size: .78rem; margin-top: 1rem; line-height: 1.6; }
.qr-card { grid-column: 3; justify-self: end; width: 220px; padding: 1.1rem; background: #fff; color: var(--ink); }
.qr-card img { display: block; width: 100%; height: auto; image-rendering: pixelated; margin-bottom: 1rem; }
.qr-card strong { display: block; font-size: 1rem; margin-bottom: .3rem; }
.qr-card p { color: var(--ink-soft); font-size: .78rem; line-height: 1.55; margin-bottom: .7rem; }
.qr-card a { color: var(--blue-dark); font-size: .8rem; font-weight: 700; text-underline-offset: 4px; }
.site-footer { background: #1d2226; color: #c1bbb2; padding: 1.75rem 0; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; align-items: center; font-size: .78rem; }
.footer-inner strong { color: #fff; letter-spacing: .17em; }
.footer-inner a { color: #eee0c9; text-underline-offset: 4px; }

@keyframes panel-in { from { opacity: .35; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: no-preference) {
  .motion-ready [data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
  .motion-ready [data-reveal].is-visible { opacity: 1; transform: translateY(0); }
  .signal-row:nth-child(2), .offer-card:nth-child(2) { transition-delay: .08s; }
  .signal-row:nth-child(3), .offer-card:nth-child(3) { transition-delay: .16s; }
}

@media (max-width: 1060px) {
  .shell { width: min(100% - 3rem, 1240px); }
  .desktop-nav { gap: .9rem; }
  .header-inner { gap: 1rem; }
  .brand-name small { display: none; }
  .case-secondary { grid-template-columns: 1fr 1fr; }
  .case-secondary .text-link { grid-column: 2; }
  .closing-grid { grid-template-columns: 1fr 1fr; gap: 3rem; }
  .closing-action { grid-column: 1; }
  .qr-card { grid-column: 2; justify-self: start; }
}

@media (max-width: 960px) {
  .site-header .header-inner { min-height: 66px; }
  .brand-mark { width: 36px; height: 36px; font-size: 1.4rem; }
  .desktop-nav, .header-cta { display: none; }
  .mobile-nav { display: block; margin-left: auto; position: relative; }
  .mobile-nav summary { cursor: pointer; list-style: none; min-height: 44px; display: flex; align-items: center; padding: .6rem 0 .6rem .75rem; font-size: .95rem; font-weight: 700; }
  .mobile-nav summary::-webkit-details-marker { display: none; }
  .mobile-nav summary span { display: inline-block; margin-left: .25rem; transition: transform .2s; }
  .mobile-nav[open] summary span { transform: rotate(45deg); }
  .mobile-nav nav { position: absolute; right: 0; top: calc(100% + .7rem); width: min(85vw, 320px); max-height: calc(100dvh - 90px); overflow-y: auto; overscroll-behavior: contain; padding: .65rem 1.2rem; background: #fff; border: 1px solid var(--line); box-shadow: 0 16px 30px rgba(36,39,44,.12); display: grid; }
  .mobile-nav nav a { display: flex; align-items: center; min-height: 48px; text-decoration: none; padding: .85rem .2rem; border-bottom: 1px solid var(--line); font-size: 1rem; font-weight: 650; }
  .mobile-nav nav a:last-child { border: 0; color: var(--blue-dark); }
  .section-heading.compact, .case-head, .result-grid, .about-grid { grid-template-columns: minmax(0, 1fr); gap: 2rem; }
  .result-intro { position: static; }
  .signal-row { grid-template-columns: 40px minmax(140px, .43fr) minmax(0, .57fr); gap: 1.25rem; }
}

@media (max-width: 760px) {
  :root { scroll-behavior: auto; }
  html { scroll-padding-top: 5rem; }
  .shell { width: min(100% - 2.25rem, 640px); }
  .brand { min-height: 44px; }
  .eyebrow { margin-bottom: 1.5rem; font-size: .875rem; line-height: 1.6; letter-spacing: .08em; }
  .eyebrow-line { flex-shrink: 0; width: 24px; }
  .hero-inner { padding-block: 3rem 2.5rem; }
  .hero h1 { font-size: clamp(2.1rem, 8.3vw, 3.75rem); line-height: 1.25; letter-spacing: -.035em; margin-bottom: 1.5rem; }
  .hero h1 .hero-title-bridge { font-size: .72em; }
  .hero-lead { font-size: 1.08rem; line-height: 1.72; }
  .hero-turn { font-size: 1rem; }
  .hero-actions { align-items: stretch; gap: .6rem; flex-direction: column; }
  .hero-actions .text-link { align-self: flex-start; }
  .hero-note { padding-top: 2.5rem; gap: .8rem 0; line-height: 1.6; }
  .hero-note span { flex-basis: 50%; padding: 0 .4rem 0 .9rem; }
  .hero-note span:first-child { flex-basis: 100%; }
  .hero-edge { display: none; }
  .section-heading.compact, .case-head, .result-grid, .about-grid, .closing-grid { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; }
  .section-index { font-size: .875rem; line-height: 1.6; letter-spacing: .08em; margin-bottom: 1rem; }
  .section-heading.compact .section-index { grid-column: auto; }
  .section-heading.compact h2 { margin-bottom: .1rem; }
  .section-heading { margin-bottom: 2.2rem; }
  .section-heading h2, .result h2, .case h2, .about h2, .closing h2 { font-size: clamp(1.8rem, 7vw, 3rem); line-height: 1.4; }
  .section { padding-block: 3.75rem; }
  .signal-row { grid-template-columns: 28px minmax(0, 1fr); gap: .6rem .75rem; padding: 1.45rem 0; }
  .signal-row p { grid-column: 2; font-size: clamp(1.35rem, 5vw, 1.75rem); }
  .memory-anchor { font-size: clamp(2.3rem, 9.4vw, 4.5rem); margin-top: 3rem; padding-top: 2.5rem; line-height: 1.3; letter-spacing: -.035em; }
  .fit-details { margin-top: 2.5rem; }
  .fit-details summary { gap: 1rem; }
  .fit-details summary span, .result-details summary span, .method-details summary span, .case-extra summary span, .offer-details summary span { flex: none; }
  .fit-details summary, .result-details summary, .method-details summary, .case-extra summary, .offer-details summary { min-height: 48px; align-items: center; }
  .text-link, .case-bottom a, .qr-card a, .footer-inner a { min-height: 44px; display: inline-flex; align-items: center; }
  .button { gap: 1rem; line-height: 1.5; }
  .button > span { flex: none; }
  .result-intro { position: static; }
  .result-list { margin-top: 1rem; }
  .result-item { grid-template-columns: 28px minmax(0, 1fr); gap: .75rem; }
  .result-details ol { columns: 1; font-size: 1rem; }
  .result-details > p, .offer-card > p, .offer-details p, .case-secondary p, .method-details p, .method-list { font-size: 1rem; }
  .case-workbench { grid-template-columns: 1fr; }
  .case-rail { padding: 1.25rem 1rem 1rem; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.23); }
  .case-label { margin-bottom: 1rem; }
  .case-tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .25rem; }
  .case-tab { display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-start; gap: .5rem; width: 100%; min-height: 84px; border-left: 0; border-bottom: 2px solid rgba(255,255,255,.22); padding: .8rem .5rem; font-size: .9375rem; line-height: 1.5; }
  .case-tab.is-active { border-bottom-color: #ddbe86; border-left-color: transparent; }
  .case-hint { display: none; }
  .case-panel { padding: 1.75rem 1.25rem; min-height: 0; }
  .panel-kicker { margin-bottom: 1.4rem; }
  .panel-quote { font-size: clamp(1.7rem, 6.5vw, 2.7rem); line-height: 1.4; }
  .case-bottom { padding: 1rem 1.25rem; }
  .case-secondary { grid-template-columns: 1fr; gap: 1rem; }
  .case-secondary .text-link { grid-column: auto; }
  .offer-grid { grid-template-columns: 1fr; }
  .offer-card, .offer-card + .offer-card { min-height: 0; padding: 1.9rem 0; border-left: 0; }
  .offer-card + .offer-card { border-top: 1px solid var(--line); }
  .offer-number { margin-bottom: 1rem; }
  .offer-output { margin-top: .7rem; }
  .cooperation-flow ol { grid-template-columns: 1fr 1fr; gap: .3rem 1rem; }
  .cooperation-flow li { padding: .85rem 0; border-bottom: 1px solid var(--line); }
  .cooperation-flow li + li::before { display: none; }
  .closing-grid { gap: 1.5rem; }
  .closing { padding-block: 3.75rem; }
  .closing-grid > div:first-child, .closing-action, .qr-card { grid-column: auto; }
  .qr-card { margin-top: 1rem; max-width: 100%; }
  .qr-card p, .qr-card a, .closing-action small, .footer-inner { font-size: .875rem; }
  .closing-action .button { max-width: 100%; }
}

@media (max-width: 470px) {
  .hero-note span { flex-basis: 100%; border-left: 0; padding: 0; }
  .button { width: 100%; }
  .result-details ol { columns: 1; }
  .case-tab { font-size: .875rem; gap: .4rem; padding-inline: .375rem; }
  .case-bottom { align-items: flex-start; flex-direction: column; }
  .cooperation-flow ol { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 760px) and (prefers-reduced-motion: no-preference) {
  .motion-ready [data-reveal] { transform: translateY(8px); transition-duration: .35s; transition-delay: 0s; }
  .motion-ready [data-reveal].is-visible { transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}