.h155-available-numbers{grid-column:1/-1;padding:14px 16px;border:1px solid #c8dced;background:#f5faff;border-radius:12px;color:#203b50;min-width:0}
.h155-available-numbers[hidden]{display:none}
.h155-number-summary{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.h155-available-numbers p{margin:8px 0;font-size:13px;line-height:1.7}
.h155-available-numbers summary{cursor:pointer;font-weight:700;padding:8px 0}
.h155-number-ranges{max-height:310px;overflow:auto;overscroll-behavior:contain}
.h155-number-range{display:grid;grid-template-columns:minmax(160px,1fr) 110px auto;gap:12px;align-items:center;padding:12px 0;border-top:1px solid #dce6ef}
.h155-number-range small{display:block;line-height:1.7;margin-top:3px}
.h155-number-range label{min-width:0}.h155-number-range input{width:100%;min-width:0}
.h155-number-range label span{font-size:12px}
#officialLetterSelectionNotice:empty{display:none}
#officialLetterSelectionNotice{padding:10px;background:#fff;border-radius:8px;border-inline-start:3px solid #3079a8}
@media(max-width:600px){.h155-number-range{grid-template-columns:minmax(0,1fr) auto}.h155-number-range>div{grid-column:1/-1}.h155-number-range label{max-width:140px}.h155-available-numbers{padding:12px}}