/* v16: quiet, typographic expertise accordion. */
.pinlasuo-method.pinlasuo-method--v16 { background: #0b0c0b; color: #fff; scroll-margin-top: 74px; }
.pinlasuo-method--v16::before { display: none; }
.pinlasuo-method.pinlasuo-method--v16 > .container { max-width: 1640px; padding: 96px 40px 108px; min-height: 0; }
.expertise-layout { display: grid; grid-template-columns: minmax(0,.82fr) minmax(0,1.6fr); gap: clamp(60px,6vw,110px); align-items: start; }
.expertise-title { position: sticky; top: 116px; margin: 14px 0 0; color: #fff; font-size: clamp(44px,4vw,64px); font-weight: 600; line-height: 1.08; letter-spacing: -.055em; }
.expertise-accordion { min-width: 0; }
.expertise-item { border-bottom: 1px solid #ffffff2b; }
.expertise-item__summary { display: flex; justify-content: space-between; align-items: center; gap: 30px; min-height: 92px; padding: 23px 0; list-style: none; cursor: pointer; color: #fff; }
.expertise-item__summary::-webkit-details-marker { display: none; }
.expertise-item__summary::marker { content: ''; }
.expertise-item__summary h3 { margin: 0; font-size: clamp(27px,2.4vw,38px); line-height: 1.15; font-weight: 600; letter-spacing: -.04em; transition: color .25s ease; }
.expertise-item__summary:is(:hover,:focus-visible) h3 { color: #a0eb1d; }
.expertise-item__summary:focus-visible { outline: 2px solid #a0eb1d; outline-offset: 6px; }
.expertise-item__toggle { position: relative; display: block; flex: 0 0 20px; width: 20px; height: 20px; color: currentColor; }
.expertise-item__toggle::before,.expertise-item__toggle::after { content: ''; position: absolute; top: 9px; left: 0; width: 20px; height: 2px; background: currentColor; }
.expertise-item__toggle::after { transform: rotate(90deg); transition: transform .25s ease; }
.expertise-item[open] .expertise-item__toggle::after { transform: rotate(0); }
.expertise-item__body { max-width: 800px; padding: 7px 48px 34px 0; color: #c8ceca; }
.expertise-item__body h4 { margin: 0 0 18px; color: #fff; font-size: 22px; line-height: 1.35; font-weight: 500; letter-spacing: -.025em; }
.expertise-item__body p { margin: 0 0 18px; font-size: 14px; line-height: 1.8; }
.expertise-item__points { display: grid; gap: 9px; list-style: none; padding: 0; margin: 0; }
.expertise-item__points li { position: relative; padding-left: 16px; font-size: 13px; line-height: 1.8; }
.expertise-item__points li::before { content: ''; position: absolute; left: 0; top: .76em; width: 4px; height: 4px; background: #a0eb1d; border-radius: 50%; }
.expertise-item__flow { display: flex; flex-wrap: wrap; gap: 7px 14px; list-style: none; padding: 0; margin: 22px 0 0; }
.expertise-item__flow li { color: #b4bdb6; font-size: 11px; line-height: 1.7; }
.expertise-item__flow li:not(:last-child)::after { content: '→'; margin-left: 14px; color: #a0eb1d; }
.expertise-item__body p.expertise-item__outcome { margin: 24px 0 0; color: #a0eb1d; font-size: 15px; font-weight: 500; line-height: 1.6; }
@keyframes expertise-enter { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion:no-preference) { .expertise-item[open] .expertise-item__body { animation: expertise-enter .35s ease both; } }

/* Original team photo, gentle entry and restrained hover feedback. */
.our-story.our-story--v16 { background: #fbfcfa; scroll-margin-top: 74px; }
.our-story--v16 > .container { max-width: 1640px; padding: 104px 40px; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: clamp(48px,5vw,84px); align-items: center; }
.our-story--v16 .our-story__media { width: 100%; max-width: none; }
.our-story--v16 .our-story__image { position: relative; width: 100%; max-width: none; aspect-ratio: auto; background: transparent; border-radius: 4px; overflow: visible; transition: transform .5s cubic-bezier(.22,1,.36,1),box-shadow .5s ease; }
.our-story--v16 .our-story__image::after { content: ''; position: absolute; left: 0; bottom: -14px; width: 80px; height: 3px; background: #a0eb1d; transform: scaleX(0); transform-origin: left; transition: transform .5s cubic-bezier(.22,1,.36,1); }
.our-story--v16 .our-story__image img { display: block; width: 100%; height: auto; max-width: none; object-fit: contain; border-radius: inherit; }
.our-story--v16 .our-story__title { font-size: clamp(42px,4.2vw,68px); line-height: 1.08; letter-spacing: -.045em; margin-bottom: 24px; }
.our-story--v16 .our-story__desc { font-size: 14px; line-height: 1.85; margin-bottom: 32px; }
.our-story--v16 .our-story__values { margin-bottom: 32px; }
.our-story--v16 .our-story__value { position: relative; grid-template-columns: 95px minmax(0,1fr); gap: 20px; padding: 18px 0; transition: border-color .3s ease; }
.our-story--v16 .our-story__value-label { transition: color .3s ease,transform .3s ease; }
.our-story--v16 .our-story__value-text { font-size: 13px; line-height: 1.7; transition: color .3s ease; }
.our-story--v16 .hero-banner__btn { display: inline-flex; align-items: center; justify-content: center; gap: 14px; }
.our-story--v16 .hero-banner__btn > span { transition: transform .3s ease; }
.our-story--v16 .hero-banner__btn:is(:hover,:focus-visible) > span { transform: translateX(4px); }
@media (hover:hover) and (prefers-reduced-motion:no-preference) {
    .our-story--v16 .our-story__image:hover { transform: translateY(-6px); box-shadow: 0 22px 48px #10181020; }
    .our-story--v16 .our-story__image:hover::after { transform: scaleX(1); }
    .our-story--v16 .our-story__value:hover { border-bottom-color: #93bd55; }
    .our-story--v16 .our-story__value:hover .our-story__value-label { color: #648c21; transform: translateX(4px); }
    .our-story--v16 .our-story__value:hover .our-story__value-text { color: #212c1d; }
}
@media (max-width:1100px) and (min-width:768px) {
    .pinlasuo-method.pinlasuo-method--v16 > .container { padding: 76px 28px 88px; }
    .expertise-layout { grid-template-columns: minmax(0,.7fr) minmax(0,1.5fr); gap: 40px; }
    .expertise-title { font-size: 42px; }
    .expertise-item__summary { min-height: 86px; gap: 20px; }
    .expertise-item__summary h3 { font-size: 27px; }
    .expertise-item__body { padding-right: 20px; }
    .our-story--v16 > .container { grid-template-columns: minmax(0,1fr); padding: 80px 28px; gap: 40px; }
    .our-story--v16 .our-story__title { font-size: 42px; }
    .our-story--v16 .our-story__value { grid-template-columns: 1fr; gap: 8px; }
    .our-story--v16 .our-story__value-text { text-align: left; }
}
@media (max-width:767px) {
    .pinlasuo-method.pinlasuo-method--v16 > .container { padding: 60px 20px 70px; }
    .expertise-layout { grid-template-columns: minmax(0,1fr); gap: 36px; }
    .expertise-title { position: static; margin: 0; font-size: 42px; }
    .expertise-item__summary { min-height: 80px; padding: 22px 0; gap: 20px; }
    .expertise-item__summary h3 { font-size: 26px; }
    .expertise-item__toggle { flex-basis: 18px; width: 18px; height: 18px; }
    .expertise-item__toggle::before,.expertise-item__toggle::after { width: 18px; top: 8px; }
    .expertise-item__body { padding: 2px 0 28px; }
    .expertise-item__body h4 { font-size: 21px; }
    .expertise-item__body p { font-size: 13px; }
    .expertise-item__points li { font-size: 12px; }
    .expertise-item__body p.expertise-item__outcome { font-size: 14px; }
    .our-story--v16 > .container { grid-template-columns: minmax(0,1fr); padding: 64px 20px; gap: 44px; }
    .our-story--v16 .our-story__title { font-size: 40px; }
    .our-story--v16 .our-story__desc { font-size: 13px; }
    .our-story--v16 .our-story__value { grid-template-columns: minmax(0,1fr); gap: 7px; padding: 16px 0; }
    .our-story--v16 .our-story__value-text { text-align: left; }
}
@media (max-width:359px) {
    .expertise-title { font-size: 36px; }
    .expertise-item__summary h3 { font-size: 23px; }
    .our-story--v16 .our-story__title { font-size: 35px; }
}
@media (prefers-reduced-motion:reduce) {
    .expertise-item__body,.expertise-item__toggle::after,.expertise-item__summary h3,
    .our-story--v16 .our-story__image,.our-story--v16 .our-story__image::after,
    .our-story--v16 .our-story__value,.our-story--v16 .our-story__value-label,
    .our-story--v16 .our-story__value-text,.our-story--v16 .hero-banner__btn > span { animation: none; transition: none; }
    .our-story--v16 .hero-banner__btn:is(:hover,:focus-visible) > span { transform: none; }
}