.inside__box{margin:1rem auto;display:inline-block;width:100%;min-width:160px;max-width:320px;vertical-align:top;text-align:left}.inside__box .inside__text__box{padding:20px 10px;border:1px solid #aaa}.letter__box{height:100%}.letter__box .letter__header{margin-top:1rem}.letter__box .letter__header .letter__th{white-space:nowrap;padding:.5rem;background-color:#d3d3d3}.letter__box .letter__header .letter__td{white-space:nowrap;padding:.5rem}.letter__box .letter__body{margin-top:1rem}.letter__box .letter__body .ctrl__title{min-width:100px;max-width:100px}.letter__box .letter__body .ctrl__box{min-width:250px;max-width:250px}.letter__box .letter__body .mail__body{width:100%;color:#696969;line-height:1.5;letter-spacing:1px;font-family:Microsoft JhengHei}.letter__box .letter__body .mail__body>div{min-width:467px;max-width:660px;margin:0 auto;background-color:#fff}.mail__style__1{color:#696969;line-height:1.5;letter-spacing:1px;font-family:Microsoft JhengHei}.mail__style__1 .mail__banner{padding:40px 10px;background-size:cover;background-repeat:no-repeat;background-position:100% 25%}.mail__style__1 .mail__banner h1{font-weight:700;margin-top:0;margin-bottom:.75rem;line-height:1.2;color:#000;font-size:2rem;text-align:center;text-shadow:0 0 5px #000}.mail__style__1 .mail__banner p{color:#000;font-size:1rem;text-align:center}.mail__style__1 h1{margin-top:0;margin-bottom:.75rem;font-size:2rem;text-align:center}.mail__style__1 h1,.mail__style__1 h2{font-weight:700;line-height:1.2;color:#000}.mail__style__1 h2{font-size:1.5rem}.mail__style__1 p{color:#000;text-align:left}