:root{--shadow:0 1px 3px rgba(0,0,0,.07),0 1px 2px rgba(0,0,0,.04);--color-low-weight:#3b82f6;--color-standard-weight:#16a34a;--color-over-weight1:#f59e0b;--color-over-weight2:#f97316;--color-over-weight3:#ef4444;--color-over-weight4:#991b1b;}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}.container__inner{display:flex;justify-content:space-between;gap:1em;max-width:var(--tantive-container-width-pc);margin:50px auto;}.tool-area{flex-grow:1;}h1{font-size:1.5em;margin-bottom:20px;}h2{position:relative;font-size:1.5em;padding:.25em .5em;width:-moz-fit-content;width:fit-content;}h2::before{content:"";position:absolute;top:0;left:0;width:5px;height:100%;border-radius:3px;background-color:var(--tantive-main-dark-color);}.title-section{margin-bottom:50px;}.title-wrap{position:relative;width:-moz-fit-content;width:fit-content;}.title-catch{font-size:.75em;}.card{background:white;border:1px solid var(--tantive-main-dark-color);border-radius:5px;padding:1.5em;margin-bottom:1em;box-shadow:var(--shadow);}.card-title{font-size:.75em;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:1em;}.input-grid{display:grid;grid-template-columns:1fr 1fr;gap:1em;margin-bottom:1em;}.field{display:flex;flex-direction:column;gap:.5em;}.field label{font-size:.75em;font-weight:500;}.input-wrap{position:relative;}.input-wrap .unit{position:absolute;right:.75em;top:50%;transform:translateY(-50%);font-size:.75em;pointer-events:none;}input[type=number]{width:100%;padding:.75em 2em .5em .75em;border:1px solid var(--tantive-main-dark-color);border-radius:5px;outline:none;transition:border-color .15s;-webkit-appearance:textfield;appearance:textfield;-moz-appearance:textfield;}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;}.sex-selector{display:flex;gap:.5em;}.sex-btn{flex:1;padding:.75em .5em;border:1.5px solid var(--tantive-main-dark-color);border-radius:5px;background:var(--tantive-body-background-color);font-size:.75em;font-weight:500;cursor:pointer;transition:all .15s;text-align:center;}.sex-btn.active{background:var(--tantive-main-dark-color);color:white;}.calc-btn{width:100%;padding:.75em;background:var(--tantive-main-dark-color);color:white;border:none;border-radius:5px;font-weight:700;cursor:pointer;transition:opacity .15s;letter-spacing:.02em;}.calc-btn:hover{opacity:.88;}.calc-btn:active{opacity:.75;}.result1-section,.result2-section{display:none;}.bmi-hero{display:flex;align-items:center;justify-content:space-between;gap:1em;margin-bottom:1.25em;}.bmi-number-wrap{flex-shrink:0;}.bmi-value{font-size:4em;font-weight:700;line-height:1;letter-spacing:-.03em;font-variant-numeric:tabular-nums;}.bmi-label{font-size:.75em;margin-top:2px;}.bmi-judgment{flex:1;text-align:right;}.judgment-badge{display:inline-block;padding:.5em 1em;border-radius:1em;font-weight:700;}.gauge-wrap{margin-bottom:1.25em;}.gauge-track{height:.75em;border-radius:6px;background:linear-gradient(to right,var(--color-low-weight) 0%,var(--color-low-weight) 17%,var(--color-standard-weight) 17%,var(--color-standard-weight) 42%,var(--color-over-weight1) 42%,var(--color-over-weight1) 58%,var(--color-over-weight2) 58%,var(--color-over-weight2) 71%,var(--color-over-weight3) 71%,var(--color-over-weight3) 83%,var(--color-over-weight4) 83%,var(--color-over-weight4) 100%);position:relative;margin-bottom:.5em;}.gauge-pointer{position:absolute;top:-5px;width:3px;height:22px;background:#333;border-radius:2px;transform:translateX(-50%);transition:left .5s cubic-bezier(.34,1.56,.64,1);box-shadow:0 1px 3px rgba(0,0,0,.3);}.gauge-labels{display:flex;justify-content:space-between;font-size:.5em;}.stats-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:.5em;margin-bottom:1em;}.stat-card{background:var(--tantive-body-background-color);border:1px solid var(--tantive-main-dark-color);border-radius:5px;padding:.75em;}.stat-label{font-size:.75em;margin-bottom:4px;}.stat-value{font-size:1.25em;font-weight:700;font-variant-numeric:tabular-nums;}.stat-sub{font-size:.75em;margin-top:2px;}.bodyfat-row{display:flex;align-items:center;justify-content:space-between;background:var(--tantive-body-background-color);border:1px solid var(--tantive-main-dark-color);border-radius:5px;padding:.75em 1em;margin-bottom:.5em;}.bodyfat-main{font-size:.75em;}.bodyfat-val{font-size:1.25em;font-weight:700;color:var(--accent);}.bodyfat-note{font-size:.75em;margin-top:2px;text-align:right;}.info-box{background:var(--tantive-body-background-color);border-left:3px solid var(--tantive-main-dark-color);border-radius:0 5px 5px 0;padding:.75em;margin-top:.5em;}.info-box p{font-size:.75em;line-height:1.7;}.targets-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:.5em;margin-bottom:.5em;}.target-card{border-radius:5px;padding:.75em;text-align:center;}.target-label{font-size:.75em;font-weight:500;margin-bottom:.25em;}.target-weight{font-size:1.25em;font-weight:700;font-variant-numeric:tabular-nums;}.target-bmi{font-size:.5em;margin-top:2px;opacity:.75;}.target-diff{font-size:.75em;font-weight:500;margin-top:4px;padding:2px 8px;border-radius:12px;display:inline-block;}.bg-underweight{background:#eff6ff;color:#1d4ed8;}.bg-normal{background:#f0fdf4;color:#15803d;}.bg-pre{background:#fffbeb;color:#b45309;}.bg-ob1{background:#fff7ed;color:#c2410c;}.bg-ob2{background:#fef2f2;color:#b91c1c;}.bg-ob3{background:#fef2f2;color:#991b1b;}.bg-ob4{background:#fff1f2;color:#881337;}.sim-title{font-size:.75em;font-weight:700;margin-bottom:.5em;}.sim-table{width:100%;border-collapse:collapse;font-size:.75em;}.sim-table th{background:var(--tantive-body-background-color);padding:.5rem;text-align:left;font-weight:500;border-bottom:1px solid var(--tantive-main-dark-color);}.sim-table td{padding:.5rem;border-bottom:1px solid var(--tantive-main-dark-color);font-variant-numeric:tabular-nums;}.sim-table td:not(:first-child){text-align:right;font-weight:500;}.sim-table td:not(:first-child){text-align:right;font-weight:500;}.sim-table tr:last-child td{border-bottom:none;}.goal-row{display:flex;align-items:center;gap:.5em;margin-top:1em;padding-top:1em;border-top:1px solid var(--tantive-main-dark-color);}.goal-row label{font-size:.75em;white-space:nowrap;flex-shrink:0;}.goal-input-wrap{position:relative;flex:1;}.goal-input-wrap .unit{position:absolute;right:.75em;top:50%;transform:translateY(-50%);font-size:.75em;}.goal-input-wrap input{padding:.5em 2em .5em .75em;font-size:.75em;}#goal-result{font-size:.75em;font-weight:500;white-space:nowrap;min-width:100px;text-align:right;}.class-table{width:100%;border-collapse:collapse;font-size:.75em;margin-top:4px;}.class-table th{background:var(--tantive-body-background-color);padding:.5rem .75rem;text-align:left;font-weight:500;border-bottom:1px solid var(--tantive-main-dark-color);font-size:.75rem;}.class-table td{padding:.5rem .75rem;border-bottom:1px solid var(--tantive-main-dark-color);}.class-table tr:last-child td{border-bottom:none;}.class-table tr:last-child .current-row td{font-weight:700;}.dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:6px;vertical-align:middle;}.metabo-grid{display:grid;grid-template-columns:1fr 1fr;gap:.5em;}.metabo-card{background:var(--tantive-body-background-color);border:1px solid var(--tantive-main-dark-color);border-radius:5px;padding:1em;}.metabo-label{font-size:.75rem;margin-bottom:.25rem;}.metabo-val{font-size:1.25rem;font-weight:700;}.metabo-note{font-size:.75rem;margin-top:.25rem;}.metabo-source{font-size:.75rem;margin-top:.5rem;padding-top:.5rem;border-top:1px solid var(--tantive-main-dark-color);}.share-row{display:flex;gap:.5rem;margin-top:.5rem;}.share-btn{flex:1;padding:.5rem;border:1px solid var(--tantive-main-dark-color);border-radius:5px;background:var(--tantive-body-background-color);font-size:.75rem;font-weight:500;cursor:pointer;transition:all .15s;}.share-btn:hover{filter:brightness(.9);}.disclaimer{font-size:11px;color:var(--text3);margin-top:20px;padding:12px 14px;background:var(--surface2);border-radius:var(--radius);border:1px solid var(--border);line-height:1.7;}.usecase-section{margin-top:1.5em;}.usecase-section li::before{content:"- ";}.related-tools-section{margin-top:1.5em;}.related-tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1em;list-style:none;padding:0;margin:1em 0 0 0;}.related-tools-link{display:flex;height:100%;flex-direction:column;align-items:center;gap:8px;padding:1em;border:1px solid var(--tantive-main-dark-color);border-radius:8px;text-decoration:none;color:inherit;transition:box-shadow .2s,transform .2s;}.related-tools-link:hover{box-shadow:0 4px 12px rgba(0,0,0,.1);transform:translateY(-2px);}.related-tools-emoji{font-size:2rem;}.related-tools-name{font-weight:bold;font-size:1rem;}.related-tools-desc{font-size:.8rem;color:#888;text-align:center;}.ad-area{flex:0 0 200px;}.ad-area-wrap{width:400px;position:sticky;top:100px;}.ad-area-wrap ins{width:300px;height:250px;}@media screen and (max-width:1280px){.container__inner{flex-direction:column-reverse;padding:0 1em}.ad-area{flex:unset}.ad-area-wrap{margin:auto;width:100%}.ad-area-wrap ins{width:300px;height:100px;margin:auto}.ad-moved-area:has(>*){margin-top:1em;margin-bottom:1em}}