.contents {/*background-color: #f5f5f5;*/padding-bottom: 20px}.contents__chapter {width: calc(100% - 40px);margin: 20px auto 0 auto;padding-top: 80px;padding-bottom: 80px}.chapter {background: #fff}.chapter__outer {width: calc(100% - 20px);max-width: 1200px;margin: 0 auto}.chapter__inner {margin-top: 60px}.chapter__title--alpha {color: #1a1a1a;font-size: 4rem;font-weight: 900}.artio_contents figure{aspect-ratio:1 / 1;}.artio_contents figure img{object-fit: cover;width: 100%;height: 100%;}@media screen and (max-width: 1024px) {.chapter__title--alpha {display: flex;justify-content: center}}.chapter__title--bravo {color: #1a1a1a;font-size: 2rem;font-weight: 900}@media screen and (max-width: 1024px) {.chapter__title--bravo {display: flex;justify-content: center}}.chapter__title--charlie {background-color: #0068b7;color: #fff;font-size: 2rem;font-weight: 900;line-height: 1.2;padding: 7px 15px}.chapter__title--charlie::before {content: "▼"}.chapter__title--delta {border: 1px solid #333;font-size: 2rem;font-weight: 900;line-height: 1.2;padding: 5px 15px}.chapter__body {margin: 30px 5px}.chapter__text {line-height: 2}.jumper {position: sticky;top: 0;background-color: #666;display: flex;justify-content: center;align-items: center;font-weight: 500;line-height: 1.2;z-index: 10}.jumper__body {width: calc(100% - 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